CN114890003B - Integrated active explosion-proof refrigerated container and control method - Google Patents
Integrated active explosion-proof refrigerated container and control method Download PDFInfo
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- CN114890003B CN114890003B CN202210745456.5A CN202210745456A CN114890003B CN 114890003 B CN114890003 B CN 114890003B CN 202210745456 A CN202210745456 A CN 202210745456A CN 114890003 B CN114890003 B CN 114890003B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 452
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000009413 insulation Methods 0.000 claims abstract description 36
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000007710 freezing Methods 0.000 claims abstract description 7
- 230000008014 freezing Effects 0.000 claims abstract description 7
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 238000002161 passivation Methods 0.000 claims description 112
- 239000011261 inert gas Substances 0.000 claims description 74
- 239000007788 liquid Substances 0.000 claims description 67
- 239000007789 gas Substances 0.000 claims description 39
- 238000004321 preservation Methods 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- 238000004880 explosion Methods 0.000 abstract description 22
- 239000002360 explosive Substances 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 13
- 230000001276 controlling effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 231100001261 hazardous Toxicity 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000383 hazardous chemical Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013056 hazardous product Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
- B65D90/18—Castors, rolls, or the like; e.g. detachable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
- B65D90/51—Arrangements of indicating or measuring devices of leakage-indicating devices characterised by sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention relates to the technical field of dangerous goods transportation and storage equipment and discloses an integrated active anti-explosion refrigeration and freezing container and a control method, wherein the integrated active anti-explosion refrigeration and freezing container comprises an insulation box body, a cooling system and a dangerous goods storage sealing tank, the cooling system comprises a condensing unit arranged outside the insulation box body and an evaporating unit arranged in the insulation box body, the condensing unit is connected with the evaporating unit through a pipeline, the dangerous goods storage sealing tank is positioned in the insulation box body, a vacuum pump is arranged outside the insulation box body, an air suction end of the vacuum pump is connected with the dangerous goods storage sealing tank through a first pipeline, an electric control vacuum valve is arranged on the first pipeline, and a first combustible gas sensor is arranged on an exhaust pipeline of the vacuum pump; the invention provides an integrated active anti-explosion refrigerated container and a control method thereof, which solve the problems of low safety, low reliability and high cost of the existing dangerous goods storage.
Description
Technical Field
The invention relates to the technical field of dangerous goods transportation and storage equipment, in particular to an integrated active anti-explosion refrigerated container and a control method.
Background
The explosion condition of industrial dangerous goods is well known to be composed of three elements of combustible dangerous goods, air and ignition sources, the explosion-proof technology of the industrial dangerous goods in the past controls the ignition sources to achieve the purpose of explosion prevention under the condition that the dangerous goods and the air generate explosion environments, and the explosion-proof technology is a passive explosion-proof technical measure under the generated explosion environments in fact.
The explosion-proof refrigerated container is a special device which cannot be replaced in the dangerous goods storage and transportation process, and the inner space of the container is in a long-time closed state without ventilation in the storage and transportation process. Therefore, once dangerous goods are packaged and leaked, the dangerous goods are extremely easy to be mixed with air in the container to form an explosive gas environment, and the explosive gas environment exists for a long time, so that the explosion-proof performance requirement on the internal explosion-proof electrical equipment of the explosion-proof refrigerated container is higher, and the explosion-proof electrical equipment with high explosion-proof performance requirement applicable to the dangerous area of 1 area or even 0 area is generally required. The explosion-proof refrigerated container has the advantages of high manufacturing cost, small selectivity of explosion-proof electrical equipment and an explosion-proof technical scheme, low safety and reliability of dangerous goods storage and difficulty in popularization and use. Therefore, the dangerous goods storage safety is urgently needed, the reliability is high, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigerated freezing container is achieved by adopting the explosion-proof electrical equipment which is applicable to the requirements of the dangerous area of the 2 areas, so that the manufacturing cost is reduced, and the integrated active explosion-proof refrigerated freezing container is convenient to popularize and use.
Disclosure of Invention
The invention aims to provide an integrated active anti-explosion refrigerated and frozen container and a control method thereof, which are used for solving at least one of the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an integrated initiative explosion-proof refrigeration freezing container, includes insulation box, cooling system and dangerous goods storage seal jar, the insulation box is formed by the heated board preparation, cooling system is including setting up the condensing unit outside the insulation box and setting up the evaporation unit in the insulation box, the condensing unit passes through the pipeline and is connected with the evaporation unit, dangerous goods storage seal jar is located the insulation box, be equipped with the vacuum pump outside the insulation box, the end of breathing in of vacuum pump is connected with dangerous goods storage seal jar through first pipeline, be equipped with automatically controlled vacuum valve on the first pipeline, be equipped with first combustible gas sensor on the exhaust duct of vacuum pump.
In this technical scheme, cooling system provides cold energy for in the insulation box, dangerous goods storage seal jar is used for depositing dangerous goods, through the vacuum pump, first pipeline, automatically controlled vacuum valve and first combustible gas sensor's setting, can make this device have dangerous goods vacuum leak hunting mode and dangerous goods vacuum safety storage mode, wherein, dangerous goods vacuum leak hunting mode, promptly through setting up the vacuum pump outside the insulation box, start the vacuum pump, open automatically controlled vacuum valve and to the evacuation in the dangerous goods storage seal jar, simultaneously, whether detect through first combustible gas sensor and have the combustible gas to escape, can confirm whether there is damage leakage in dangerous goods's the packing in the dangerous goods storage seal jar, this process is the vacuum leak hunting mode of dangerous goods. After detection is completed, the electric control vacuum valve and the vacuum pump are closed, and then the dangerous goods vacuum safe storage mode can be entered. The technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the generation of the explosive environment is actively prevented, the safety and the reliability are high, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigerated container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirements of 2 dangerous areas, thereby reducing the manufacturing cost and being easy to popularize and use.
Further, in order to make this device have the safe storage mode of low temperature passivation solution to further promote the security and the reliability that this device used, be equipped with low temperature passivation solution bin in the insulation can, be equipped with evaporating coil in the low temperature passivation solution bin, evaporating coil and condensing unit's condensing coil intercommunication, evaporating coil cools down the passivation solution that stores in the low temperature passivation solution bin, low temperature passivation solution bin passes through the second pipeline and communicates with dangerous goods storage seal pot, can fill low temperature passivation solution for dangerous goods storage seal pot, until the low temperature passivation solution bin is filled with low temperature passivation solution, then gets into the safe storage mode of low temperature passivation solution. The low-temperature passivation solution storage tank is internally provided with a third temperature sensor for regulating and controlling the temperature of the passivation solution.
The low-temperature passivation solution safe storage mode can isolate dangerous goods from contacting with air, and also provides an active explosion-proof technology for preventing an explosive environment from being formed, which is obviously different from the existing technology for passively preventing explosion by using a method for controlling an ignition source.
Further, in order to enable the low-temperature passivation solution to automatically flow into the dangerous goods storage sealing tank through the pipeline under the action of gravity, the low-temperature passivation solution storage tank is located above the dangerous goods storage sealing tank, and the second pipeline is provided with the electric control liquid valve, so that when the low-temperature passivation solution needs to enter a safe storage mode, the electric control liquid valve on the second pipeline is opened.
Further, in order to fill low temperature passivation solution into the hazardous materials storage seal tank through the second pipeline, can also discharge low temperature passivation solution simultaneously, still include drawing liquid pump and automatically controlled two-position three-way valve, automatically controlled two-position three-way valve's first end and low temperature passivation solution bin intercommunication, automatically controlled two-position three-way valve's second end and drawing liquid pump's feed liquor end intercommunication, drawing liquid pump's liquid end and low temperature passivation solution bin intercommunication through the fluid-discharge tube, automatically controlled two-position three-way valve's third end passes through second pipeline and hazardous materials storage seal tank intercommunication.
When the low-temperature passivation solution in the dangerous goods storage sealing tank needs to be discharged, a liquid outlet of the electric control two-position three-way valve is communicated with a liquid inlet pipe of the liquid pumping pump, the low-temperature passivation solution in the dangerous goods storage sealing tank is sucked out through a second pipeline, and the low-temperature passivation solution is returned to the low-temperature passivation solution storage tank through a liquid outlet pipe of the liquid pumping pump.
Further, in order to enable the device to have a low-temperature inert gas safe storage mode, so that the safety and reliability of the device in use are further improved, a low-temperature inert gas steel cylinder is arranged in the heat preservation box body, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with a dangerous goods storage sealing tank through a third pipeline, and an electric control air valve is arranged on the third pipeline.
The dangerous goods storage sealing tank can be filled with low-temperature inert gas through regulating and controlling the electric control air valve, and the dangerous goods storage sealing tank enters a low-temperature inert gas safe storage mode.
The low-temperature inert gas safe storage mode can isolate dangerous goods from contacting with air, and also provides an active explosion-proof technology for preventing an explosive environment from being formed, which is obviously different from the existing technology for passively preventing explosion by using a method for controlling an ignition source.
Further, in order to improve safety and reliability of dangerous goods storage sealing tank, be equipped with pressure sensor, first temperature sensor, pressure relief valve, air release valve and/or drain valve on the dangerous goods storage sealing tank.
The hazardous article storage sealing tank is a basic sealing tank formed by a sealing tank body made of 316L stainless steel and a sealing tank cover; the pressure sensor and the first temperature sensor are used for detecting the pressure and the temperature in the dangerous goods storage sealing tank in real time, and main regulation and control parameters are provided for an intelligent controller arranged on the heat preservation box body. The pressure safety valve, the air release valve and the liquid release valve are timely opened according to the condition of the dangerous goods storage sealing tank, so that the use safety of the dangerous goods storage sealing tank is improved.
It is to be noted that, in order to facilitate the movement of the dangerous goods storage sealed tank, a travelling wheel is arranged below the dangerous goods storage sealed tank.
Further, a second temperature sensor and a second flammable gas sensor are arranged in the heat preservation box body.
Preferably, the second combustible gas sensors are arranged up and down in the box body, so that leakage of dangerous goods with different specific weights can be detected in case of an accident, and an alarm is given through an intelligent controller arranged on the heat insulation box body.
Furthermore, an emergency battery is arranged outside the box body, and a power supply of equipment except the refrigerating system is provided for safety when unexpected power failure occurs.
Further, the heat preservation box body comprises a heat preservation sealing door, a movable bottom plate capable of moving out of the heat preservation box body along the inner bottom wall of the heat preservation box body is arranged in the heat preservation box body, and the dangerous goods storage sealing tank is located on the movable bottom plate. The movable bottom plate is arranged in the heat preservation box body, and can be moved out of the heat preservation box body, so that goods can be conveniently loaded and unloaded. The driving mechanism of the specific movable bottom plate can be a transmission structure with linear driving functions, such as screw rod driving, hydraulic cylinder driving, air cylinder driving, electric push rod driving and the like, and the driving mechanism can be combined with the driving device.
Further, in order to facilitate the loading and unloading operation, avoid the pipeline of being connected with the hazardous article storage seal jar to cause inconvenience to the removal of hazardous article storage seal jar, be equipped with pipeline movable guide rail in the insulation can, pipeline movable guide rail is located the top of hazardous article storage seal jar, sliding connection has the pipeline fixed pulley on the pipeline movable guide rail, pipeline fixed pulley is used for fixing the pipeline of being connected with the hazardous article storage seal jar. The pipeline fixing pulley can drive the pipeline to move along the pipeline moving guide rail, and the pipeline can follow the movement of the dangerous goods storage sealing tank, so that the dangerous goods storage sealing tank can be conveniently assembled and disassembled.
Furthermore, in order to enable the device to have a low-temperature inert gas safe storage mode, so that the safety and reliability of the device in use are further improved, a low-temperature inert gas steel cylinder is arranged in the heat insulation box body, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with a dangerous goods storage sealing tank through a third pipeline, and an electric control air valve is arranged on the third pipeline;
In order to facilitate the comparison of input dangerous goods storage parameters, an intelligent controller and an alarm device are installed on the heat preservation box body, a dangerous goods safety technical specification module is arranged in the intelligent controller, and the dangerous goods safety technical specification module comprises a first dangerous goods storage parameter, a second dangerous goods storage parameter, a third dangerous goods storage parameter, a fourth dangerous goods storage parameter, a fifth dangerous goods storage parameter, a sixth dangerous goods storage parameter and a seventh dangerous goods storage parameter.
The invention also provides a control method for the integrated active anti-explosion refrigerated and frozen container, which comprises the following steps:
inputting dangerous article storage parameters;
Judging whether the input dangerous goods storage parameters accord with the first type of dangerous goods storage parameters, and if so, entering a dangerous goods vacuum safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the second dangerous goods storage parameters, and if so, entering a low-temperature passivation solution safe storage mode;
If not, judging whether the input dangerous goods storage parameters accord with third dangerous goods storage parameters, if yes, entering a low-temperature inert gas safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet fourth-class dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode;
if the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the fifth dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode;
If the input dangerous goods storage parameters are not in accordance with the sixth dangerous goods storage parameters, whether the input dangerous goods storage parameters are in accordance with the sixth dangerous goods storage parameters is judged, and if the input dangerous goods storage parameters are in accordance with the sixth dangerous goods storage parameters, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode is selected to be entered;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the seventh dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode;
if not, an error prompt and/or an alarm device is sent out for alarming.
Further, before entering a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, starting a dangerous goods vacuum leak detection mode, wherein the dangerous goods vacuum leak detection mode comprises the following steps of:
The intelligent controller controls the vacuum pump to start, the electric control vacuum valve is opened to vacuumize the dangerous goods storage sealing tank, and the first flammable gas sensor detects whether flammable gas escapes or not;
if the combustible gas overflows, the intelligent controller starts an alarm device to alarm;
if no combustible gas overflows, the method enters a corresponding dangerous article vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Further, the dangerous goods vacuum safe storage mode comprises the following steps:
The intelligent controller controls the vacuum pump to start, the electric control vacuum valve is opened to vacuumize the dangerous goods storage sealed tank until the dangerous goods storage sealed tank is in a vacuum state, and the electric control vacuum valve and the vacuum pump are closed to enter a dangerous goods vacuum safe storage mode;
the low-temperature passivation solution safe storage mode comprises the following steps:
The intelligent controller controls the electric control two-position three-way valve to be switched to a state of being communicated with the dangerous goods storage sealing tank and opens the electric control liquid valve, low-temperature passivation liquid in the low-temperature passivation liquid storage tank is filled into the dangerous goods storage sealing tank through the second pipeline until the dangerous goods storage sealing tank is filled with the low-temperature passivation liquid, and the electric control two-position three-way valve and the electric control liquid valve are closed to enter a low-temperature passivation liquid safe storage mode;
the low-temperature inert gas safe storage mode comprises the following steps:
The intelligent controller controls the opening of the pressure reducing valve and the electric control air valve, the low-temperature inert gas in the low-temperature inert gas steel cylinder is filled into the dangerous goods storage sealing tank through the third pipeline until the dangerous goods storage sealing tank is filled with the low-temperature inert gas, the pressure reducing valve and the electric control air valve are closed, and the low-temperature inert gas safe storage mode is entered.
The beneficial effects of the invention are as follows: in this technical scheme, cooling system provides cold energy for in the insulation box, dangerous goods storage seal jar is used for depositing dangerous goods, through the vacuum pump, first pipeline, automatically controlled vacuum valve and first combustible gas sensor's setting, can make this device have dangerous goods vacuum leak hunting mode and dangerous goods vacuum safety storage mode, wherein, dangerous goods vacuum leak hunting mode, promptly through setting up the vacuum pump outside the insulation box, start the vacuum pump, open automatically controlled vacuum valve and to the evacuation in the dangerous goods storage seal jar, simultaneously, whether detect through first combustible gas sensor and have the combustible gas to escape, can confirm whether there is damage leakage in dangerous goods's the packing in the dangerous goods storage seal jar, this process is the vacuum leak hunting mode of dangerous goods. After detection is completed, the electric control vacuum valve and the vacuum pump are closed, and then the dangerous goods vacuum safe storage mode can be entered. The technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the generation of the explosive environment is actively prevented, the safety and the reliability are high, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigerated container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirements of 2 dangerous areas, thereby reducing the manufacturing cost and being easy to popularize and use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a hazardous materials storage seal tank in the present invention;
FIG. 3 is a schematic diagram of a control module of the intelligent controller according to the present invention;
FIG. 4 is a flow chart of a control method in the present invention.
In the figure: a heat preservation box body 1; a dangerous goods storage sealing tank 2; a condensing unit 3; an evaporator unit 4; a vacuum pump 5; a first conduit 6; an electrically controlled vacuum valve 7; an exhaust duct 8; a first combustible gas sensor 9; a low-temperature passivation solution storage tank 10; an evaporation coil 11; a second conduit 12; a third temperature sensor 13; a liquid pump 14; an electric control two-position three-way valve 15; a liquid discharge pipe 16; a low temperature inert gas cylinder 17; a pressure reducing valve 18; a third conduit 19; an electric control air valve 20; a pressure sensor 21; a first temperature sensor 22; a pressure relief valve 23; a release valve 24; a drain valve 25; a second temperature sensor 26; a second combustible gas sensor 27; an emergency battery 28; a heat-insulating sealing door 29; a moving base 30; a pipeline moving guide 31; a pipeline fixing pulley 32; a liquid inlet pipe 33; an intelligent controller 34; a signal control cable 35; a seal can lid 36; an electric control liquid valve 37; road wheels 38; dangerous goods 39.
Detailed Description
Example 1:
As shown in fig. 1-3, this embodiment provides an integrated initiative explosion-proof refrigeration and freezing container, including insulation box 1, cooling system and dangerous goods storage seal jar 2, insulation box 1 is by insulation board preparation, cooling system is including setting up the condensing unit 3 outside insulation box 1 and setting up the evaporation unit 4 in insulation box 1, condensing unit 3 passes through the pipeline and is connected with evaporation unit 4, evaporation unit 4 provides the cold volume for insulation box 1 in, dangerous goods storage seal jar 2 is located insulation box 1, be used for storing dangerous goods 39, the vacuum pump 5 is equipped with outside insulation box 1, the suction end of vacuum pump 5 is connected with dangerous goods storage seal jar 2 through first pipeline 6, be equipped with automatically controlled vacuum valve 7 on the first pipeline 6, be equipped with first combustible gas sensor 9 on the exhaust pipe 8 of vacuum pump 5.
In this technical scheme, cooling system is for providing the cold volume in the insulation box 1, dangerous goods storage seal jar 2 is used for depositing dangerous goods 39, through vacuum pump 5, first pipeline 6, automatically controlled vacuum valve 7 and the setting of first combustible gas sensor 9, can make this device have dangerous goods vacuum leak hunting mode and dangerous goods vacuum safety storage mode, wherein, dangerous goods vacuum leak hunting mode, promptly through at insulation box 1 external vacuum pump 5, start vacuum pump 5, open automatically controlled vacuum valve 7 and to the evacuation in the dangerous goods storage seal jar 2, simultaneously, whether detect through first combustible gas sensor 9 and whether have the combustible gas to escape, can confirm whether dangerous goods's packing in the dangerous goods storage seal jar 2 has the damage to leak, this process is the vacuum leak hunting mode of dangerous goods. After the detection is finished, the electric control vacuum valve 7 and the vacuum pump 5 are closed, and then the dangerous goods vacuum safe storage mode can be entered. The technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the generation of the explosive environment is actively prevented, the safety and the reliability are high, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigerated container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirements of 2 dangerous areas, thereby reducing the manufacturing cost and being easy to popularize and use.
Example 2:
this example was optimized based on example 1 above.
In order to enable the device to have a low-temperature passivation solution safe storage mode, so that the safety and reliability of the device in use are further improved, a low-temperature passivation solution storage tank 10 is arranged in the heat preservation box body 1, an evaporation coil 11 is arranged in the low-temperature passivation solution storage tank 10, the evaporation coil 11 is communicated with a condensing coil of the condensing unit 3, the evaporation coil 11 cools passivation solution stored in the low-temperature passivation solution storage tank 10, the low-temperature passivation solution storage tank 10 is communicated with the dangerous goods storage sealing tank 2 through a second pipeline 12, the dangerous goods storage sealing tank 2 can be filled with the low-temperature passivation solution until the low-temperature passivation solution storage tank 10 is filled with the low-temperature passivation solution, and then the low-temperature passivation solution safe storage mode is entered. The low-temperature passivation solution storage tank 10 is provided with a third temperature sensor 13 for controlling the temperature of the passivation solution.
The low-temperature passivation solution safe storage mode can isolate dangerous goods from contacting with air, and also provides an active explosion-proof technology for preventing an explosive environment from being formed, which is obviously different from the existing technology for passively preventing explosion by using a method for controlling an ignition source.
Example 3:
This example was optimized based on example 2 above.
In order to enable the low-temperature passivation solution to automatically flow into the dangerous goods storage and sealing tank 2 through the pipeline under the action of gravity, the low-temperature passivation solution storage tank 10 is located above the dangerous goods storage and sealing tank 2, preferably, the low-temperature passivation solution storage tank 10 is arranged on the inner top wall of the heat insulation tank body 1, the second pipeline 12 is provided with the electric control solution valve 37, and when the low-temperature passivation solution needs to enter a safe storage mode, the electric control solution valve 37 on the second pipeline 12 is opened.
Example 4:
This example was optimized based on example 3 above.
In order to fill the low-temperature passivation solution into the dangerous goods storage and sealing tank 2 through the second pipeline 12, and meanwhile, the low-temperature passivation solution can be discharged, the device further comprises a liquid suction pump 14 and an electric control two-position three-way valve 15, wherein a first end of the electric control two-position three-way valve 15 is communicated with the low-temperature passivation solution storage tank 10, a second end of the electric control two-position three-way valve 15 is communicated with a liquid inlet end of the liquid suction pump 14 through a liquid inlet pipe 33, a liquid outlet end of the liquid suction pump 14 is communicated with the low-temperature passivation solution storage tank 10 through a liquid discharge pipe 16, and a third end of the electric control two-position three-way valve 15 is communicated with the dangerous goods storage and sealing tank 2 through the second pipeline 12.
When the low-temperature passivation solution in the dangerous goods storage sealed tank 2 needs to be discharged, a liquid outlet of the electric control two-position three-way valve 15 is communicated with a liquid inlet pipe of the liquid suction pump 14, the low-temperature passivation solution in the dangerous goods storage sealed tank 2 is sucked out through the second pipeline 12, and the low-temperature passivation solution is returned to the low-temperature passivation solution storage tank 10 through a liquid discharge pipe 16 of the liquid suction pump 14.
Example 5:
This example was optimized based on example 1 above.
In order to enable the device to have a low-temperature inert gas safe storage mode, so that the safety and reliability of the device in use are further improved, a low-temperature inert gas steel bottle 17 is arranged in the heat preservation box body 1, a pressure reducing valve 18 is arranged on the low-temperature inert gas steel bottle 17, the low-temperature inert gas steel bottle 17 is communicated with the dangerous goods storage sealing tank 2 through a third pipeline 19, and an electric control air valve 20 is arranged on the third pipeline 19.
The dangerous goods storage sealed tank 2 can be filled with low-temperature inert gas by regulating and controlling the electric control air valve 20, and the dangerous goods storage sealed tank enters a low-temperature inert gas safe storage mode.
The low-temperature inert gas safe storage mode can isolate dangerous goods from contacting with air, and also provides an active explosion-proof technology for preventing an explosive environment from being formed, which is obviously different from the existing technology for passively preventing explosion by using a method for controlling an ignition source.
Example 6:
this example was optimized based on example 1 above.
In order to improve the safety and reliability of the use of the dangerous goods storage sealed tank 2, the dangerous goods storage sealed tank 2 is provided with a pressure sensor 21, a first temperature sensor 22, a pressure safety valve 23, a gas release valve 24 and/or a liquid release valve 25.
The hazardous article storage sealed tank 2 is a sealed tank body made of 316L stainless steel, and forms a basic sealed tank with a sealed tank cover 36; the pressure sensor 21 and the first temperature sensor 22 check the pressure and the temperature in the dangerous goods storage sealed tank 2 in real time, and provide main regulation parameters for an intelligent controller 34 installed on the heat preservation box body 1. The pressure safety valve 23, the air release valve 24 and the liquid release valve 25 are opened timely according to the condition of the dangerous goods storage sealing tank 2, so that the use safety of the dangerous goods storage sealing tank 2 is improved.
In order to facilitate the movement of the hazardous material storage sealed tank 2, a traveling wheel 38 is provided below the hazardous material storage sealed tank 2.
Specifically, the pressure relief valve 23 and the air release valve 24 are arranged on the sealing tank cover 36 of the dangerous goods storage sealing tank 2, and the liquid release valve 25 is arranged at the lower end of the dangerous goods storage sealing tank 2 so as to ensure safety.
Example 7:
this example was optimized based on example 1 above.
A second temperature sensor 26 and a second flammable gas sensor 27 are arranged in the heat preservation box body 1.
Preferably, the second flammable gas sensor 27 is arranged up and down in the heat preservation box body 1, so that leakage of dangerous goods with different specific weights can be detected in case of accidents, and an alarm is given through the intelligent controller 34 arranged on the heat preservation box body 1. And starting a dangerous article vacuum leak detection mode to confirm whether dangerous article packaging leaks or not and giving an alarm.
Example 8:
this example was optimized based on example 1 above.
An emergency battery 28 is arranged outside the box body to provide power for equipment except the refrigeration system for safety when unexpected power failure occurs.
Example 9:
this example was optimized based on example 1 above.
The heat preservation box 1 includes heat preservation sealing door 29, has in the heat preservation box 1 and can remove the removal bottom plate 30 outside the heat preservation box 1 along the interior bottom wall of heat preservation box 1, and dangerous goods storage sealing tank 2 is located on the removal bottom plate 30. The movable bottom plate 30 is arranged in the heat preservation box body 1, and the movable bottom plate 30 can be moved out of the heat preservation box body 1, so that goods can be conveniently loaded and unloaded. The driving mechanism of the movable bottom plate 30 may be a transmission structure with a linear driving function, such as screw driving, hydraulic cylinder driving, and electric push rod driving, and the driving device may be combined with the driving mechanism.
Example 10:
this example was optimized based on example 1 above.
For convenient handling, avoid the pipeline of being connected with dangerous goods storage seal jar 2 to cause inconvenience to the removal of dangerous goods storage seal jar 2, be equipped with pipeline movable guide rail 31 in the insulation can 1, pipeline movable guide rail 31 is located the top of dangerous goods storage seal jar 2, it is preferred that pipeline movable guide rail 31 installs the interior roof at insulation can 1, sliding connection has pipeline fixed pulley 32 on the pipeline movable guide rail 31, pipeline fixed pulley 32 is used for fixed pipeline of being connected with dangerous goods storage seal jar 2, specifically, the pipeline includes first pipeline 6, second pipeline 12, third pipeline 19 and the signal control cable 35 that dangerous goods storage seal jar 2 and intelligent control 34 electricity are connected. The pipeline fixing pulley 32 can drive the pipeline to move along the pipeline moving guide rail 31, and the pipeline can follow the movement of the dangerous goods storage sealing tank 2, so that the dangerous goods storage sealing tank 2 can be conveniently assembled and disassembled.
Example 11:
this example was optimized based on example 4 above.
In order to enable the device to have a low-temperature inert gas safe storage mode, thereby further improving the use safety and reliability of the device, a low-temperature inert gas steel cylinder 17 is arranged in the heat preservation box body 1, a pressure reducing valve 18 is arranged on the low-temperature inert gas steel cylinder 17, the low-temperature inert gas steel cylinder 17 is communicated with the dangerous goods storage sealing tank 2 through a third pipeline 19, and an electric control air valve 20 is arranged on the third pipeline 19;
In order to facilitate the comparison of input dangerous goods storage parameters, an intelligent controller and an alarm device are arranged on the heat preservation box body 1, and a dangerous goods safety technical specification module is arranged in the intelligent controller and comprises a first dangerous goods storage parameter, a second dangerous goods storage parameter, a third dangerous goods storage parameter, a fourth dangerous goods storage parameter, a fifth dangerous goods storage parameter, a sixth dangerous goods storage parameter and a seventh dangerous goods storage parameter.
It should be noted that the first type of dangerous article storage parameter, the second type of dangerous article storage parameter, the third type of dangerous article storage parameter, the fourth type of dangerous article storage parameter, the fifth type of dangerous article storage parameter, the sixth type of dangerous article storage parameter and the seventh type of dangerous article storage parameter are storage parameters matched with different types of dangerous articles respectively.
Wherein the first type of dangerous goods storage parameter, the second type of dangerous goods storage parameter and the third type of dangerous goods storage parameter correspond to dangerous goods which can only adapt to one safe storage mode;
the fourth type of dangerous goods storage parameter, the fifth type of dangerous goods storage parameter and the sixth type of dangerous goods storage parameter correspond to dangerous goods which can adapt to two safe storage modes;
the seventh type of hazardous article storage parameter corresponds to a hazardous article that can accommodate any one of the safe storage modes.
Example 12:
as shown in fig. 4, the present invention further provides a control method for an integrated active anti-explosion refrigerated container according to embodiment 11, comprising the steps of:
inputting dangerous article storage parameters;
Judging whether the input dangerous goods storage parameters accord with the first type of dangerous goods storage parameters, and if so, entering a dangerous goods vacuum safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the second dangerous goods storage parameters, and if so, entering a low-temperature passivation solution safe storage mode;
If not, judging whether the input dangerous goods storage parameters accord with third dangerous goods storage parameters, if yes, entering a low-temperature inert gas safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet fourth-class dangerous goods storage parameters, and if the dangerous goods storage parameters are met, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode, wherein the dangerous goods vacuum safe storage mode or the low-temperature passivation solution safe storage mode can be automatically selected to enter or manually selected to enter;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the fifth dangerous goods storage parameters, and if the dangerous goods storage parameters are met, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode, wherein the dangerous goods vacuum safe storage mode or the low-temperature inert gas safe storage mode can be automatically selected to enter or manually selected to enter;
if the input dangerous goods storage parameters are not in accordance with the sixth dangerous goods storage parameters, the input dangerous goods storage parameters are judged to be in accordance with the sixth dangerous goods storage parameters, and if the input dangerous goods storage parameters are in accordance with the sixth dangerous goods storage parameters, the input dangerous goods storage parameters are selected to enter a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, wherein the input dangerous goods storage parameters can be automatically selected or manually selected;
if the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the seventh dangerous goods storage parameters, and if the dangerous goods storage parameters are met, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, wherein the dangerous goods vacuum safe storage mode, the low-temperature passivation solution safe storage mode or the low-temperature inert gas safe storage mode can be selected to enter automatically or manually;
if not, an error prompt and/or an alarm device is sent out for alarming.
It should be noted that:
the method can only adapt to dangerous goods corresponding modes of a safe storage mode:
The first dangerous goods storage parameters correspond to dangerous goods vacuum safe storage modes; the second dangerous goods storage parameter corresponds to a low-temperature passivation solution safe storage mode; the third type of dangerous goods storage parameters correspond to a low-temperature inert gas safe storage mode;
can adapt to the dangerous goods corresponding modes of two kinds of safe storage modes:
The fourth type of dangerous goods storage parameters correspond to any one of a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode; the fifth type of dangerous goods storage parameters correspond to any one of a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode; the sixth dangerous goods storage parameter corresponds to any one of a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode;
can adapt to any dangerous article corresponding mode of safe storage mode:
The seventh type of dangerous goods storage parameter corresponds to any one of a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Example 13:
this example was optimized based on example 12 above.
Before entering a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, starting a dangerous goods vacuum leak detection mode, wherein the dangerous goods vacuum leak detection mode comprises the following steps of:
The intelligent controller 34 controls the vacuum pump 5 to start, the electric control vacuum valve 7 is opened to vacuumize the dangerous goods storage sealed tank 2, and the first flammable gas sensor 9 detects whether flammable gas escapes or not;
if the combustible gas overflows, the intelligent controller 34 starts an alarm device to alarm;
if no combustible gas overflows, the method enters a corresponding dangerous article vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Example 14:
this embodiment is optimized based on the above embodiment 12 or 13.
The dangerous goods vacuum safe storage mode comprises the following steps:
the intelligent controller 34 controls the vacuum pump 5 to start, the electric control vacuum valve 7 is opened to vacuumize the dangerous goods storage sealed tank 2 until the dangerous goods storage sealed tank 2 is in a vacuum state, and the electric control vacuum valve 7 and the vacuum pump 5 are closed to enter a dangerous goods vacuum safe storage mode;
the low-temperature passivation solution safe storage mode comprises the following steps:
The intelligent controller controls the electric control two-position three-way valve 15 to be switched to be in a state of being communicated with the dangerous goods storage sealing tank 2 and opens the electric control liquid valve 37, low-temperature passivation liquid in the low-temperature passivation liquid storage tank 10 is filled into the dangerous goods storage sealing tank 2 through a second pipeline until the dangerous goods storage sealing tank 2 is filled with the low-temperature passivation liquid, and the electric control two-position three-way valve 15 and the electric control liquid valve 37 are closed to enter a low-temperature passivation liquid safe storage mode;
the low-temperature inert gas safe storage mode comprises the following steps:
The intelligent controller controls the opening of the pressure reducing valve 18 and the electric control air valve 20, the low-temperature inert gas in the low-temperature inert gas steel cylinder 17 is filled into the dangerous goods storage sealing tank 2 through the third pipeline 19 until the dangerous goods storage sealing tank 2 is filled with the low-temperature inert gas, the pressure reducing valve 18 and the electric control air valve 20 are closed, and the low-temperature inert gas safe storage mode is entered.
It should be noted that, in this technical scheme, the intelligent controller 34 is installed outside the insulation box 1, and the dangerous goods safety technical specification module and the dangerous goods storage active explosion-proof expert system module are built in the intelligent controller 34, and display, reminding and error correction are given to the dangerous goods name, the preservation parameter, the misoperation and the like which are input manually. And the dangerous goods storage active explosion-proof expert system module is used for comprehensively optimizing various parameters required by dangerous goods storage, and controlling the temperature in the heat preservation box body 1, the temperature of the passivation solution, the preservation mode in the dangerous goods storage sealing tank 2, the mode switching strategy of dangerous goods storage under various conditions, the parameters such as the pressure, the temperature and the like in the dangerous goods storage sealing tank 2.
The second flammable gas sensor 27 is arranged up and down in the heat preservation box body 1, so that leakage of dangerous goods with different specific weights can be detected in case of accidents, and an alarm is given through the intelligent controller 34 arranged on the heat preservation box body 1. And starting a dangerous article vacuum leak detection mode to confirm whether dangerous article packaging leaks or not and giving an alarm. Meanwhile, the dangerous goods storage active explosion-proof expert system module in the intelligent controller 34 makes a decision to determine a safe storage mode when an accident occurs, so that the accident is prevented from being enlarged. The time is strived for manual intervention. The intelligent controller 34 contains a WiFi module, and can display parameters, states, alarms and operations on a terminal device such as a mobile phone. The intelligent controller 34 is provided with a satellite positioning module, can position in real time, and is convenient for tracking and processing emergency operation.
The invention relates to an integrated active anti-explosion refrigerated container, which has three safe storage modes for actively isolating air and preventing dangerous goods in a dangerous goods storage sealed tank 2 from generating explosive environments. The three active air-insulated safe storage modes are described below:
1. dangerous goods vacuum safety storage mode
The vacuum pump 5 is arranged outside the heat preservation box body 1, and the vacuum pump 5 is connected with the electric control vacuum valve 7 of the dangerous goods storage sealing tank 2 through the first pipeline 6. Firstly, the vacuum pump 5 is used for vacuumizing the dangerous goods storage sealed tank 2, and the first flammable gas sensor 9 arranged on the exhaust pipe of the real gas pump is used for detecting whether dangerous goods stored in the dangerous goods storage sealed tank 2 escape, so that whether the package is intact is checked. If the detection is qualified, the electric control vacuum valve 7 and the vacuum pump 5 are closed, and then the dangerous goods vacuum safe storage mode is entered. If the combustible gas escapes, the alarm is given by an intelligent controller 34 arranged on the heat preservation box body 1.
2. Low-temperature passivation solution safe storage mode
The insulation box body 1 is internally provided with the low-temperature passivation solution storage box 10 above the dangerous goods storage sealing tank 2, the second pipeline 12 is connected with the electric control solution valve 37 of the dangerous goods storage sealing tank 2, and the dangerous goods storage sealing tank 2 can be filled with the low-temperature passivation solution according to dangerous goods storage requirements, so that a low-temperature passivation solution safe storage mode is provided for storing dangerous goods. The evaporation coil 11 is arranged in the low-temperature passivation solution storage tank 10, the evaporation coil 11 is connected with the condensing unit 3 outside the heat preservation box body 1 to provide cooling capacity for low-temperature passivation solution, and an electric control two-position three-way valve 15 is arranged at a liquid outlet of the low-temperature passivation solution storage tank 10 and is used for filling liquid between the liquid outlet of the electric control two-position three-way valve 15 and the dangerous goods storage sealed tank 2 by utilizing the gravity principle when the liquid is discharged at ordinary times. When the low-temperature passivation solution in the dangerous goods storage sealed tank 2 needs to be discharged, a liquid outlet of the electric control two-position three-way valve 15 is communicated with a liquid inlet pipe of the liquid suction pump 14, the low-temperature passivation solution in the dangerous goods storage sealed tank 2 is sucked out through the second pipeline 12, and the low-temperature passivation solution is returned to the low-temperature passivation solution storage tank 10 through a liquid discharge pipe 16 of the liquid suction pump 14.
3. Low temperature inert gas safe storage mode
The low-temperature inert gas steel bottle 17 is fixedly arranged in the heat preservation box body 1, the low-temperature inert gas decompressed by the decompression valve 18 is filled into the dangerous goods storage sealing tank 2 through the third pipeline 19, the dangerous goods storage sealing tank 2 can be filled with the low-temperature inert gas according to requirements, and an inert gas protection safe storage mode is implemented on dangerous goods.
The active explosion-proof expert system module for dangerous goods storage in the intelligent controller 34 performs an optimization decision on the control of dangerous goods storage under various conditions, and switches among a dangerous goods vacuum safe storage mode, a low-temperature inert gas safe storage mode and a low-temperature passivation solution safe storage mode in real time to ensure the safety of dangerous goods storage.
Because the integrity of the dangerous goods is checked by vacuum in advance, and three safety protection modes of a dangerous goods vacuum safety storage mode, a low-temperature passivation solution safety storage mode and a low-temperature inert gas safety storage mode are adopted for the dangerous goods, the dangerous goods in the dangerous goods storage sealing tank 2 actively blocks the air which is exploded to form one of three elements, so that an explosive environment is not formed when the dangerous goods are leaked accidentally. Meanwhile, the pressure and the temperature in the dangerous goods storage sealed tank 2 and the parameters of the combustible gas sensor at the exhaust port of the vacuum pump 5 can be monitored by the intelligent controller 34 to check whether the dangerous goods storage sealed tank 2 and the dangerous goods package are good or not. The active explosion-proof expert system module for dangerous goods storage in the intelligent controller 34 has safety control measures after optimization decision-making for various conditions in dangerous goods storage, and meanwhile, the safety is ensured by communicating with the terminal equipment and an operator through the WiFi module.
It should be noted that, the intelligent controller 34 is installed outside the insulation box 1, and in the case of having three safety storage modes of the dangerous goods vacuum safety storage mode, the low-temperature passivation solution safety storage mode and the low-temperature inert gas safety storage mode, when the dangerous goods storage parameter and the storage mode are input, in order to further improve the reliability of the system, the dangerous goods storage active explosion-proof expert system module compares the dangerous goods storage parameter in the dangerous goods safety technical specification with the storage mode, and displays whether the dangerous goods storage parameter is correct or not, and can correct errors. Human errors are avoided to ensure safety.
After the dangerous goods are put into the dangerous goods storage sealed tank 2, the dangerous goods storage active explosion-proof expert system module gives storage parameters and safe storage modes of the dangerous goods under various storage conditions after overall optimization. And deciding which cycle is adopted to enter the vacuum leak detection mode in real time to detect the leak condition of the stored dangerous goods and process the mode under emergency. The intelligent controller 34 controls the temperature of the space in the heat preservation box body 1 and the temperature of the passivation solution according to the temperature information detected by the second temperature sensor 26 and the third temperature sensor 13. The pressure sensor 21 and the first temperature sensor 22 are used for monitoring the pressure and the temperature in the dangerous goods storage sealed tank 2 in real time, and optimizing the decision of which storage parameter and the safe storage mode are adopted. The intelligent controller 34 is internally provided with a WiFi module, and can display, control and alarm through terminal equipment.
The dangerous goods vacuum safe storage mode, the low-temperature passivation solution safe storage mode and the low-temperature inert gas safe storage mode all adopt an active explosion-proof technology for isolating dangerous goods from being contacted with air to prevent an explosive environment from being formed, and the active explosion-proof technology is obviously different from the existing technology for controlling an ignition source to realize passive explosion prevention.
According to the technical scheme, parameters of various dangerous goods storage are optimized in real time under the optimized regulation and control of an active explosion-proof expert system module for dangerous goods storage in the intelligent controller 34; and carrying out real-time optimization selection and determination on active explosion-proof safe storage modes of various dangerous articles. And when leakage is found in the dangerous goods storage and transportation process, the most reliable safety protection mode is adopted for dangerous goods, so that the safety of the dangerous goods in the storage and transportation process is reliably ensured. Making the possibility of creating an explosive environment a small probability event. Therefore, the explosion-proof electric in the integrated active explosion-proof refrigerated container has the advantages of low manufacturing cost, multiple options, flexible design and manufacturing technical scheme selection, and is in line with the explosion-proof electric equipment and the manufacturing technical scheme for the 2-zone dangerous area. The invention can achieve the effect of the integrated active anti-explosion refrigerated and frozen container, not only improves the storage and transportation safety of the anti-explosion refrigerated and frozen container, but also reduces the manufacturing cost.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An integrated initiative explosion-proof refrigeration freezing container which characterized in that: the cooling system comprises a condensing unit arranged outside the heat-preserving box body and an evaporating unit arranged in the heat-preserving box body, wherein the condensing unit is connected with the evaporating unit through a pipeline, the dangerous goods storage sealing tank is positioned in the heat-preserving box body, a vacuum pump is arranged outside the heat-preserving box body, the air suction end of the vacuum pump is connected with the dangerous goods storage sealing tank through a first pipeline, an electric control vacuum valve is arranged on the first pipeline, and a first combustible gas sensor is arranged on an exhaust pipeline of the vacuum pump;
The low-temperature passivation solution storage tank is arranged in the heat preservation tank body, an evaporation coil is arranged in the low-temperature passivation solution storage tank, the evaporation coil is communicated with a condensing coil of a condensing unit, and the low-temperature passivation solution storage tank is communicated with a dangerous goods storage sealing tank through a second pipeline;
The heat preservation box body is internally provided with a low-temperature inert gas steel cylinder, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with the dangerous goods storage sealing tank through a third pipeline, and an electric control air valve is arranged on the third pipeline;
An intelligent controller and an alarm device are installed on the heat insulation box body, a dangerous goods safety technical specification module is arranged in the intelligent controller, and the dangerous goods safety technical specification module comprises a first type dangerous goods storage parameter, a second type dangerous goods storage parameter, a third type dangerous goods storage parameter, a fourth type dangerous goods storage parameter, a fifth type dangerous goods storage parameter, a sixth type dangerous goods storage parameter and a seventh type dangerous goods storage parameter;
Before entering a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, starting a dangerous goods vacuum leak detection mode, wherein the dangerous goods vacuum leak detection mode comprises the following steps of:
The intelligent controller controls the vacuum pump to start, an electric control vacuum valve is opened to vacuumize the dangerous goods storage sealing tank, and the first flammable gas sensor detects whether flammable gas escapes or not;
if the combustible gas overflows, the intelligent controller starts an alarm device to alarm;
if no combustible gas overflows, the method enters a corresponding dangerous article vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
2. An integrated active explosion-proof refrigerated container as claimed in claim 1 wherein: the low-temperature passivation solution storage tank is positioned above the dangerous goods storage sealing tank, and the second pipeline is provided with an electric control solution valve.
3. An integrated active explosion-proof refrigerated container as claimed in claim 2 wherein: the liquid pump is characterized by further comprising a liquid pump and an electric control two-position three-way valve, wherein the first end of the electric control two-position three-way valve is communicated with the low-temperature passivation liquid storage tank, the second end of the electric control two-position three-way valve is communicated with the liquid inlet end of the liquid pump, the liquid outlet end of the liquid pump is communicated with the low-temperature passivation liquid storage tank, and the third end of the electric control two-position three-way valve is communicated with the dangerous goods storage sealing tank through a second pipeline.
4. An integrated active explosion-proof refrigerated container as claimed in claim 1 wherein: the dangerous goods storage sealing tank is provided with a pressure sensor, a first temperature sensor, a pressure safety valve, a gas release valve and/or a liquid release valve.
5. A control method applied to the integrated active explosion-proof refrigerated container as claimed in claim 1, comprising the steps of:
inputting dangerous article storage parameters;
Judging whether the input dangerous goods storage parameters accord with the first type of dangerous goods storage parameters, and if so, entering a dangerous goods vacuum safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the second dangerous goods storage parameters, and if so, entering a low-temperature passivation solution safe storage mode;
If not, judging whether the input dangerous goods storage parameters accord with third dangerous goods storage parameters, if yes, entering a low-temperature inert gas safe storage mode;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet fourth-class dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode;
if the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the fifth dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode;
If the input dangerous goods storage parameters are not in accordance with the sixth dangerous goods storage parameters, whether the input dangerous goods storage parameters are in accordance with the sixth dangerous goods storage parameters is judged, and if the input dangerous goods storage parameters are in accordance with the sixth dangerous goods storage parameters, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode is selected to be entered;
If the dangerous goods storage parameters are not met, judging whether the input dangerous goods storage parameters meet the seventh dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode;
if not, an error prompt and/or an alarm device is sent out for alarming.
6. A control method according to claim 5, characterized in that:
the dangerous goods vacuum safe storage mode comprises the following steps:
The intelligent controller controls the vacuum pump to start, the electric control vacuum valve is opened to vacuumize the dangerous goods storage sealed tank until the dangerous goods storage sealed tank is in a vacuum state, and the electric control vacuum valve and the vacuum pump are closed to enter a dangerous goods vacuum safe storage mode;
the low-temperature passivation solution safe storage mode comprises the following steps:
the intelligent controller controls the electric control two-position three-way valve to be switched to a state of being communicated with the dangerous goods storage sealing tank and opens the electric control liquid valve, low-temperature passivation liquid in the low-temperature passivation liquid storage tank is filled into the dangerous goods storage sealing tank through the second pipeline until the dangerous goods storage sealing tank is filled with the low-temperature passivation liquid, and the electric control two-position three-way valve and the electric control liquid valve are closed to enter a low-temperature passivation liquid safe storage mode;
the low-temperature inert gas safe storage mode comprises the following steps:
The intelligent controller controls the opening of the pressure reducing valve and the electric control air valve, the low-temperature inert gas in the low-temperature inert gas steel cylinder is filled into the dangerous goods storage sealing tank through the third pipeline until the dangerous goods storage sealing tank is filled with the low-temperature inert gas, the pressure reducing valve and the electric control air valve are closed, and the dangerous goods storage sealing tank enters a low-temperature inert gas safe storage mode.
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