CN111520729A - Intelligent control system and control method for garbage gasification cracking equipment - Google Patents
Intelligent control system and control method for garbage gasification cracking equipment Download PDFInfo
- Publication number
- CN111520729A CN111520729A CN202010329259.6A CN202010329259A CN111520729A CN 111520729 A CN111520729 A CN 111520729A CN 202010329259 A CN202010329259 A CN 202010329259A CN 111520729 A CN111520729 A CN 111520729A
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- 238000002309 gasification Methods 0.000 title claims abstract description 34
- 238000005336 cracking Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 26
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000002737 fuel gas Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims 1
- 238000004886 process control Methods 0.000 abstract description 3
- 238000004200 deflagration Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 238000005474 detonation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/40—Gasification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/20—Waste supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/55—Controlling; Monitoring or measuring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides an intelligent control system and a control method for garbage gasification cracking equipment, wherein the system comprises a start control unit, a gasification cracking unit and a gasification cracking unit, wherein the start control unit is connected with a furnace start part; the furnace temperature control unit is connected with the furnace and the gas supply system; the feeding control unit is connected with the furnace; the combustion control unit is connected with the stove; the method comprises starting the furnace to ignite, judging whether the ignition is successful or not, if not, re-igniting after time delay; after ignition is successful, detecting the temperature of the furnace, and adjusting the temperature in the furnace according to the real-time condition; monitoring the temperature in the furnace, and feeding when the adjusted temperature meets the feeding requirement; the starting stove is ignited, the real-time temperature of the stove is detected, and air supply adjustment operation is carried out according to requirements. The invention provides an intelligent control system and a control method for garbage gasification cracking equipment, which have high process control precision and avoid the problems of gas deflagration and the like caused by improper manual operation.
Description
Technical Field
The invention relates to the technical field of garbage gasification cracking, in particular to an intelligent control system and a control method for garbage gasification cracking equipment.
Background
At present, the garbage disposal is roughly divided into three modes of sanitary landfill, incineration and gasification cracking. Landfill can occupy a large amount of land resources, and landfill leachate can pollute underground water resources; the problem of the incineration mode is that the investment is huge, the distributed on-site treatment of the garbage is difficult to realize, and the risk of atmospheric pollution exists. The gasification cracking mode is that the garbage is firstly converted into combustible gas from solid state, and then the combustible gas is immediately burnt, so that the reduction and harmless treatment of the garbage are realized, and the gasification cracking mode has the characteristics of good environmental protection effect, low treatment cost and capability of realizing distributed on-site harmless treatment of the garbage. Gasification cracking plants refer to plants that use gasification cracking technology to treat refuse, commonly referred to as gasification cracking furnaces, of which one type is a gasification incinerator.
In the gasification cracking treatment process in the prior art, manual operation is adopted for equipment starting, and when the equipment runs, the reaction state in the furnace needs to be known manually through an observation hole, the temperature in the furnace is adjusted, the feeding time is selected, and combustion control is carried out; the operation of the equipment is finished by manual starting, observation and manual adjustment; the equipment is difficult to operate, and the process control is not accurate enough through a manual mode, so that the use efficiency and the treatment effect of the equipment are influenced; the equipment has the potential safety hazard of gas detonation due to improper manual operation.
Disclosure of Invention
The invention aims to provide an intelligent control system and a control method for garbage gasification cracking equipment, which can acquire data of each part of the gasification cracking equipment in real time and adjust the data, greatly reduce the manual intervention components, simplify the equipment operation, accurately control the process and reduce the potential safety hazard;
the invention provides an intelligent control system of garbage gasification cracking equipment, which comprises:
a start control unit for detecting and controlling the start of the furnace; is connected with a furnace starting part;
the furnace temperature control unit is used for detecting and controlling the temperature in the furnace and is connected with the furnace and the gas supply adjusting device;
the feeding control unit is used for acquiring the temperature inside the furnace to control feeding and is connected with the furnace;
and the combustion control unit is used for controlling the combustion stove to start, monitoring the temperature of the stove in the use stage, adjusting the combustion temperature and connecting the combustion temperature with the stove.
As a further technical scheme, the starting control unit is respectively connected with the furnace ignition electrode, the furnace gas spraying pipe and the furnace air inlet pipe.
As a further technical scheme, the furnace temperature control unit is respectively connected with the furnace temperature sensor and the air supply adjusting device.
As a further technical scheme, the feeding control unit is connected with a furnace temperature sensor.
As a further technical scheme, the combustion control unit is respectively connected with a stove air inlet pipe and a stove air injection pipe.
The invention also provides a control method of the intelligent control system for the garbage gasification cracking equipment, which comprises the following steps:
s1, starting the furnace to ignite, and judging whether the ignition is successful or not, if not, re-igniting after delaying;
s2, detecting the furnace temperature after the ignition is successful in the step S1, and adjusting the furnace temperature according to the real-time condition;
s3, monitoring the temperature in the furnace, and feeding when the temperature is adjusted by S2 and meets the feeding requirement;
s4, starting the stove to ignite, detecting the real-time temperature of the stove, and performing air supply adjustment operation according to requirements.
As a further technical solution, the step S1 includes:
s11, opening a furnace air inlet pipe and a furnace air injection pipe to enable air and fuel gas to enter the furnace;
and S12, starting the furnace ignition electrode, monitoring whether the ignition is successful or not, and if the ignition is not successful, re-igniting after a delay.
As a further technical solution, the step of S12 is: the furnace ignition electrode is turned on and whether ignition is successful or not is monitored, if not, the ignition is restarted after a delay of 5 s.
As a further technical scheme, the step of S2 is; when the ignition is successful in step S1, the furnace temperature is detected, and the amount of gas supplied into the furnace is adjusted in real time, thereby adjusting the temperature inside the furnace.
As a further technical solution, the step of S3 is: and monitoring the temperature in the furnace, and sending a feeding signal to feed when the temperature meets the feeding requirement after being adjusted by S2.
According to the technical scheme, the required parameters are respectively obtained through the starting control unit, the furnace temperature control unit, the feeding control unit and the combustion control unit, the parameters are controlled and adjusted, so that the control and adjustment of the gasification cracking equipment are realized, in the process, the gasification cracking equipment is not required to be adjusted in a manual mode, namely, the automatic adjustment is realized, compared with the prior art, the process control precision is high, and the problems of gas detonation and the like caused by improper manual operation are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of an intelligent control system of a garbage gasification cracking apparatus according to the present invention;
FIG. 2 is a schematic structural view of a gasification cracking apparatus for garbage according to the present invention;
FIG. 3 is a schematic view of a burner of the present invention;
FIG. 4 is an enlarged view of the structure of portion A-A of FIG. 3;
FIG. 5 is a flow chart of the intelligent control method of the garbage gasification cracking equipment.
Description of reference numerals:
1-a furnace ignition electrode; 2-furnace ignition detection means; 3-furnace air inlet pipe; 4-furnace gas injection pipe; 5-furnace temperature sensor; 6-a stove ignition electrode; 7-a stove ignition detection device; 8-oven air inlet pipe; 9-a stove gas injection pipe; 10-oven temperature sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present invention provides an intelligent control system for a garbage gasification cracking apparatus, comprising:
the starting control unit is connected with the furnace starting part and detects and controls the starting of the furnace through the starting control unit; as shown in fig. 2, the start control unit is respectively connected with a furnace ignition electrode 1, a furnace gas injection pipe 4 and a furnace air inlet pipe 3; in the actual use process, the start control unit can respectively control the furnace ignition electrode 1, the furnace gas injection pipe 4 and the furnace air inlet pipe 3; so that the furnace gas spraying pipe 4 and the furnace air inlet pipe 3 are matched with the furnace ignition electrode 1 to realize the ignition of the furnace;
the furnace temperature control unit is connected with the furnace and the gas supply adjusting device, and detects and controls the temperature in the furnace through the furnace temperature control unit, namely the furnace temperature control unit obtains the temperature in the furnace in real time and adjusts the temperature in the furnace according to the actual condition; specifically, the furnace temperature control unit is respectively connected with the furnace temperature sensor 5 and the gas supply adjusting device; in the invention, the gas supply adjusting device comprises a furnace gas spraying pipe 4, a furnace air inlet pipe 3 and an air inlet adjusting valve, and the furnace temperature control unit is used for adjusting gas and air entering the furnace so as to control the temperature in the furnace;
the feeding control unit is connected with the furnace, and obtains the temperature inside the furnace through the feeding control unit to control feeding; specifically, the charging and feeding control unit is connected with a furnace temperature sensor 5; when the data monitored by the furnace temperature sensor 5 reaches the charging temperature, the charging and feeding control unit generates a charging and feeding prompt, the charging and feeding prompt can be operated in real time by sending an instruction to the automatic charging device through the charging and feeding unit, an acousto-optic reminding device can be arranged, and the like, and the charging and feeding prompt is set according to the actual situation and is not further limited;
the combustion control unit is connected with the combustion stove and controls the stove to start through the combustion control unit, the temperature of the stove is monitored in the use stage, and the combustion temperature is adjusted; specifically, the combustion control unit is respectively connected with a stove air inlet pipe 8 and a stove air injection pipe 9; certainly, in the invention, the combustion stove is also provided with the stove ignition electrode 6, so that the combustion control unit controls the stove ignition electrode 6 and respectively controls the stove air inlet pipe 8 and the stove air injection pipe 9 to be matched with the stove ignition electrode 6 to realize the ignition of the stove;
it should be noted that the intelligent control system of the garbage gasification cracking equipment is a software control system, so that the intelligent control system needs to be arranged in a computer to operate and connected with each component through the computer, so as to obtain data and correspondingly adjust the furnace and the stove;
as shown in fig. 5, the present invention further provides a control method for performing an intelligent control system of a garbage gasification cracking apparatus, comprising the following steps:
starting the furnace to ignite under the control of the starting control unit, and simultaneously detecting whether the ignition is successful or not through the starting control unit and the furnace ignition detection device 2 arranged adjacent to the furnace ignition electrode 1, if the ignition is not successful, re-igniting after delaying;
specifically, a furnace air inlet pipe 3 and a furnace air injection pipe 4 are opened under the control of a starting control unit to enable air and fuel gas to enter the furnace; under the control of the starting control unit, the furnace ignition electrode 1 is started, the furnace ignition detection device 2 is monitored through the starting control unit to determine whether the ignition is successful, if the ignition is not successful, the furnace air inlet pipe 3 and the furnace air jet pipe 4 are closed through the starting control unit, and the ignition is restarted after the delay; in practical application, if ignition is unsuccessful, the furnace air inlet pipe 3 and the furnace air injection pipe 4 are restarted by the starting control unit after 5s of delay, the furnace ignition electrode 1 is restarted by the starting control unit for ignition, and the ignition state is detected by the furnace ignition detection device 2;
in the actual use process, if the phenomenon of unsuccessful ignition occurs for many times, the starting control unit generates a fault signal to inform equipment of fault and carry out corresponding overhaul; the sound and light alarm can be adopted for sending;
after ignition is successful, detecting the temperature of the furnace, and adjusting the temperature in the furnace according to the real-time condition; specifically, after ignition is successful, the furnace temperature is detected through the furnace temperature control unit, the real-time condition of the furnace temperature is obtained, the gas supply amount into the furnace is adjusted through the furnace temperature control unit according to the real-time condition, and the internal temperature of the furnace is adjusted; specifically, a furnace temperature control unit adjusts a furnace air inlet pipe 3, a furnace air injection pipe 4 and an air inlet adjusting valve so as to adjust the temperature in the furnace; when the temperature in the furnace is lower, the air inlet and the air inflow are increased, and when the temperature in the furnace is higher, the air inlet and the air inflow are reduced, so that the temperature in the furnace is kept in a proper temperature interval all the time;
monitoring the change of the furnace temperature sensor 5 through a charging and feeding control unit to realize monitoring of the internal temperature of the furnace, and feeding when the charging and feeding requirements are met after the adjustment of the furnace temperature control unit; specifically, when the feeding requirement is met after the adjustment, a feeding signal is sent out, and feeding is carried out in the furnace; in the invention, the feeding control unit can send an instruction to the automatic feeding device for real-time operation through the feeding unit, and can also send a signal to inform an operator of reaching the feeding time through the connection of the feeding control unit and the acousto-optic prompting device; the method is set according to the actual situation, and the method is not further limited to the method;
it should be noted that, the feeding prompt, such as the notification after the set temperature and related parameters are achieved, will cause the operator to lack the preparation time; therefore, the time for sending the prompt signal by the feeding control unit is earlier than the accurate operation time, such as prompting for 5-10 minutes in advance, so that the preparation time is reserved for operators;
starting a combustion stove for ignition, detecting the real-time combustion temperature, and performing gas supply adjustment operation according to requirements; specifically, the combustion control unit controls the stove air inlet pipe 8 and the stove gas injection pipe 9 to be opened, controls the stove ignition electrode 6 to act after the stove air inlet pipe 8 and the stove gas injection pipe 9 are opened, performs stove ignition, and detects whether the ignition is successful through the stove ignition detection device 7 in the ignition process;
if the operation is unsuccessful, the air inlet pipe 8 and the air jet pipe 9 of the stove are closed through the combustion control unit, and the ignition is carried out again after the delay; in practical application, if ignition is unsuccessful, after 5s of delay, the air inlet pipe 8 and the air outlet pipe 9 of the stove are restarted through the combustion control unit, the ignition electrode 6 of the stove is restarted through the combustion control unit for ignition, and the ignition state is detected through the ignition detection device 7 of the stove;
in the actual use process, if the phenomenon of unsuccessful ignition occurs for multiple times, the combustion control unit generates a fault signal to inform equipment of fault and carry out corresponding overhaul; the sound and light alarm can be adopted for sending;
after ignition is finished, respectively acquiring changes of a furnace temperature sensor 5 and a stove temperature sensor 10 through a furnace temperature control unit and a combustion control unit, and feeding back data; and then data adjustment is carried out through the real-time condition, and the furnace gas spraying pipe 4, the furnace air inlet pipe 3, the stove gas spraying pipe 9 and the stove air inlet pipe 8 are respectively adjusted, so that the effective control of the combustion state is realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a waste gasification schizolysis equipment intelligence control system which characterized in that includes:
a start control unit for detecting and controlling the start of the furnace; is connected with a furnace starting part;
the furnace temperature control unit is used for detecting and controlling the temperature in the furnace and is connected with the furnace and the gas supply adjusting device;
the feeding control unit is used for acquiring the temperature inside the furnace to control feeding and is connected with the furnace;
and the combustion control unit is used for controlling the combustion stove to start, monitoring the temperature of the stove in the use stage, adjusting the combustion temperature and connecting the combustion temperature with the stove.
2. The intelligent control system for the garbage gasification and cracking equipment as claimed in claim 1, wherein the start control unit is respectively connected with the furnace ignition electrode, the furnace gas injection pipe and the furnace air inlet pipe.
3. The intelligent control system for the garbage gasification and cracking equipment as claimed in claim 1, wherein the furnace temperature control unit is respectively connected with a furnace temperature sensor and an air supply adjusting device.
4. The intelligent control system for the garbage gasification and cracking equipment as claimed in claim 1, wherein the charging control unit is connected with a furnace temperature sensor.
5. The intelligent control system for the garbage gasification and cracking equipment as claimed in claim 1, wherein the combustion control unit is respectively connected with a stove air inlet pipe and a stove air injection pipe.
6. A control method for carrying out the intelligent control system of the garbage gasification cracking equipment according to any one of claims 1 to 5, which is characterized by comprising the following steps:
s1, starting the furnace to ignite, and judging whether the furnace is ignited successfully or not, if not, igniting again after delaying;
s2, detecting the temperature of the furnace after the ignition is successful in the step S1, and adjusting the temperature inside the furnace according to the real-time condition;
s3, monitoring the temperature in the furnace, and feeding when the temperature is adjusted by S2 and meets the feeding requirement;
s4, starting the stove to ignite, detecting the real-time temperature of the stove, and performing air supply adjustment operation according to requirements.
7. The method of claim 6, wherein the step of S1 includes:
s11, opening a furnace air inlet pipe and a furnace air injection pipe to enable air and fuel gas to enter the furnace;
and S12, starting the furnace ignition electrode, monitoring whether the ignition is successful or not, and if the ignition is not successful, re-igniting after a delay.
8. The method of claim 7, wherein the step of S12 is: the furnace ignition electrode is turned on and whether ignition is successful or not is monitored, if not, the ignition is restarted after a delay of 5 s.
9. The method of claim 6, wherein the step of S2 is; when the ignition is successful in step S1, the furnace temperature is detected, and the amount of gas supplied into the furnace is adjusted in real time, thereby adjusting the temperature inside the furnace.
10. The method of claim 6, wherein the step of S3 is: and monitoring the temperature in the furnace, and sending a feeding signal to feed when the temperature meets the feeding requirement after being adjusted by S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329259.6A CN111520729A (en) | 2020-04-23 | 2020-04-23 | Intelligent control system and control method for garbage gasification cracking equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329259.6A CN111520729A (en) | 2020-04-23 | 2020-04-23 | Intelligent control system and control method for garbage gasification cracking equipment |
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| CN111520729A true CN111520729A (en) | 2020-08-11 |
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| CN202010329259.6A Pending CN111520729A (en) | 2020-04-23 | 2020-04-23 | Intelligent control system and control method for garbage gasification cracking equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940787A (en) * | 2021-03-25 | 2021-06-11 | 福建龙迪环保设备科技有限公司 | Garbage cracking and gasifying device |
| CN113061469A (en) * | 2021-03-25 | 2021-07-02 | 福建龙迪环保设备科技有限公司 | Control method of garbage cracking gasification device control system |
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Application publication date: 20200811 |
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