CN110513706B - Organic pollution medium treatment device and treatment method for continuous smoldering reaction - Google Patents
Organic pollution medium treatment device and treatment method for continuous smoldering reaction Download PDFInfo
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- CN110513706B CN110513706B CN201910874619.8A CN201910874619A CN110513706B CN 110513706 B CN110513706 B CN 110513706B CN 201910874619 A CN201910874619 A CN 201910874619A CN 110513706 B CN110513706 B CN 110513706B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title description 15
- 238000000605 extraction Methods 0.000 claims abstract description 86
- 238000007599 discharging Methods 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000011343 solid material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
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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
- F23G5/44—Details; Accessories
-
- 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
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/14—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of contaminated soil, e.g. by oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/12—Waste feed arrangements using conveyors
- F23G2205/121—Screw conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/24—Contaminated soil; foundry sand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses an organic pollution medium treatment device for continuous smoldering reaction, which comprises a feeding system, an extraction system, a reactor, a heating system, an air inlet system and a discharging system, wherein the feeding system is connected with the extraction system; the feeding system is provided with a feeding port, and the discharging system is provided with a discharging port; the air inlet system and the heating system are sequentially arranged at the top of the reactor from top to bottom and communicated with the interior of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor and communicated with the interior of the reactor. The invention realizes the continuous loading and unloading of the organic pollution medium in the state of keeping the smoldering interface not extinguished, and the whole device is used for processing the organic pollution medium only by heating and igniting once, thereby realizing the treatment effect of high efficiency and energy saving.
Description
Technical Field
The invention belongs to the field of organic pollution medium treatment, relates to equipment and a method for treating an organic pollution medium by utilizing a smoldering technology, and particularly relates to a device and a method for treating the organic pollution medium by utilizing a continuous smoldering reaction.
Background
Petroleum is the most important raw material of modern industrial society in every country, the organic pollution accompanied with petroleum production is aggravated to become a global common problem, and in China, oilfield pollution is already listed as one of main environmental pollution sources. According to the estimated data in the industry, the domestic oil-containing sludge produced by crude oil exploitation is up to tens of millions of cubic meters each year, the pollution scale is huge, and a series of process technologies for treating organic pollution media are accelerated, such as: solvent extraction technology, hot water washing treatment technology, thermal decomposition treatment technology, biotechnology, profile control technology, ultrasonic deoiling technology, smoldering technology and the like. The smoldering technology is the most thorough technology for treating the organic pollution medium in a plurality of treatment technologies, and has the technical advantages of high efficiency, reliability, safety, environmental protection, energy conservation, sustainability and the like.
The existing equipment for treating the organic pollution medium in an ex-situ manner by utilizing the smoldering technology has some defects when treating the organic pollution medium:
(1) The organic contaminated medium is discharged and charged after each batch is processed, the processing device is not operated, the smoldering reaction is in an interrupted state, and the charging and discharging promotes a certain sacrifice of reaction time.
(2) The need to reheat the ignition after the device is charged, and the need to reheat the ignition for each batch wastes a great deal of time on the ignition, and the input of energy is greatly increased.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides the organic pollution medium treatment device and the method which can effectively solve the problems that the smoldering device is disconnected during loading and unloading and needs to be re-ignited between batches, ensure that the organic pollution medium treatment process is continuous, improve the treatment efficiency of the organic pollution medium and save energy sources for continuous smoldering reaction.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an organic pollution medium treatment device for continuous smoldering reaction comprises a feeding system, an extraction system, a reactor, a heating system, an air inlet system and a discharging system; the feeding system is provided with a feeding port, and the discharging system is provided with a discharging port; the air inlet system and the heating system are sequentially arranged at the top of the reactor from top to bottom and communicated with the interior of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor and communicated with the interior of the reactor.
Preferably, the feeding system used in the present invention comprises a hopper, a horizontal screw feeder and a vertical screw feeder; a feed inlet is formed in the storage hopper; the horizontal screw feeder is communicated with the inside of the reactor through the vertical screw feeder; the feed inlet is communicated with the horizontal spiral feeder.
Preferably, the extraction system adopted by the invention comprises an extraction main pipeline, an extraction fan, an extraction ring box, an extraction shunt pipe, a metal filter screen, a liquid discharge valve and a tail gas outlet pipeline; a dense hole distributing belt is arranged on the side wall of the reactor; the extraction ring box is sleeved outside the dense hole distributing belt; the extraction ring box is internally communicated with the reactor through dense holes on the dense hole distribution belt; the extraction ring box is internally filled with a metal filter screen; the bottom of the extraction ring box is provided with a liquid discharge valve communicated with the inside of the extraction ring box; the extraction shunt tube is arranged outside the extraction ring box, one end of the extraction shunt tube is communicated with the inside of the extraction ring box, and the other end of the extraction shunt tube is communicated with the tail gas outlet pipeline sequentially through the extraction main pipeline and the extraction fan.
Preferably, the extraction system adopted by the invention further comprises a split-flow baffle plate arranged inside the extraction ring box; the split flow baffle separates the interior of the extraction ring box into two mutually independent cavities; the extraction shunt tubes are two, and the two extraction shunt tubes are respectively communicated with two mutually independent cavities.
Preferably, the reactor used in the invention comprises a reactor shell, a temperature sensor and a material limiter; the air inlet system and the heating system are sequentially arranged at the top of the reactor shell from top to bottom and communicated with the inside of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor shell from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor shell and communicated with the interior of the reactor; the material limiter is arranged in the reactor shell and is close to the top of the reactor shell; the temperature sensor is disposed outside the reactor housing and near the bottom of the reactor housing.
Preferably, the air inlet system adopted by the invention comprises an air inlet pipeline and an air inlet fan; the air inlet fan is communicated with the heating system through an air inlet pipeline.
Preferably, the heating system adopted by the invention comprises a heating chamber shell, a protective grille, a heater and an air inlet distributor; the bottom of the heating chamber shell is communicated with the top of the reactor shell through a protective grille; the air inlet distributor is arranged at the top of the inside of the heating chamber shell and communicated with the air inlet system; the heater is arranged between the protective grille and the air inlet distributor.
Preferably, the air inlet distributor adopted by the invention is of a shower structure.
Preferably, the discharging system adopted by the invention comprises a discharging pipeline and a discharging pump; one end of the discharging pipeline is connected with the reactor shell and communicated with the interior of the reactor, and the other end of the discharging pipeline is provided with a discharging port; the discharging pump is arranged on the discharging pipeline; the discharge pump is a solid material conveying pump.
A method for treating an organic contaminated medium of a continuous smoldering reaction, comprising the steps of:
1) Continuously adding an organic pollution medium into a storage hopper by an external feed vehicle, starting a horizontal spiral feeder and a vertical spiral feeder to fill the reactor and a feed system with the organic pollution medium, and then closing the horizontal spiral feeder and the vertical spiral feeder;
2) Starting an extraction fan, an air inlet fan and a heater, closing the heater after an organic pollution medium in the reactor is ignited, starting self-sustaining downward smoldering of the organic pollution medium in the reactor, and triggering a discharge pump to start an electric gate valve on a discharge pipeline to open when a smoldering interface moves downward to a position of a temperature sensor by a signal sent by the temperature sensor, wherein a discharge system sucks out the medium reacted at the upper part of a discharge port in the reactor;
3) After sucking out the medium, the electric gate valve on discharge pump and the discharge pipeline is closed, the horizontal screw feeder and the vertical screw feeder are triggered to start, organic pollution medium and smoldering interface in the reactor are slowly lifted upwards, when the top surface of the medium reaches the material limiter, the material limiter sends out a signal to trigger the horizontal screw feeder and the vertical screw feeder to stop working, at the moment, the smoldering interface continues to smoldering downwards at a certain position on the upper end of the temperature sensor, when the smoldering interface moves downwards and reaches the position of the temperature sensor again, the temperature sensor sends out a signal again to trigger the discharge pump to start the electric gate valve on the discharge pipeline to open, and the process is repeated until all organic pollution medium is processed.
The invention has the following beneficial effects:
the organic pollution medium treatment device for continuous smoldering reaction can effectively solve the problem that the smoldering device is disconnected during loading and unloading and needs to be re-ignited between batches, and enables the organic pollution medium treatment process to be continuous and uninterrupted, thereby saving a great amount of time spent in the loading and unloading process and the ignition process, improving the treatment efficiency of the organic pollution medium and saving energy.
Drawings
FIG. 1 is a block diagram of an organic contaminated medium treatment apparatus for continuous smoldering reactions provided by the present invention;
FIG. 2 is a detailed view of the structure of the organic pollution medium treatment device for continuous smoldering reaction provided by the invention;
FIG. 3 is an elevation sectional view of an organic contaminated medium treatment apparatus for continuous smoldering reactions provided by the present invention;
FIG. 4 is a schematic diagram of an extraction system employed in the present invention;
FIG. 5 is a schematic view of an air inlet distributor used in the present invention;
in the figure:
1-a storage hopper; 2-a horizontal screw feeder; 3-a vertical screw feeder; 4-a reactor shell; 5-a heating chamber housing; 6, extracting a main pipeline; 7-an extraction fan; 8-an air inlet pipeline; 9-an air inlet fan; 10-a discharge pipeline; 11-a discharge pump; 12-extracting a ring box; 13-extracting the shunt tube; 14-a temperature sensor; 15-a material limiter; 16-a metal filter screen; 17-split separator; 18-a drain valve; 19-a tail gas outlet pipeline; 20-a protective grille; 21-a heater; 22-air inlet distributor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention rather than all embodiments. Although a few embodiments have been described in detail in this disclosure, those skilled in the art will readily appreciate that many modifications are possible without materially departing from the teachings of the subject matter of this disclosure. Accordingly, all modifications are intended to be included within the scope of present invention. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and parameters of the exemplary embodiments without departing from the spirit of the present inventions.
Referring to fig. 1, the invention provides an organic pollution medium treatment device for continuous smoldering reaction, which comprises a feeding system, an extraction system, a reactor, a heating system, an air inlet system and a discharging system; the feeding system is provided with a feeding port, and the discharging system is provided with a discharging port; the air inlet system and the heating system are sequentially arranged at the top of the reactor from top to bottom and communicated with the interior of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor and communicated with the interior of the reactor.
The feeding system is used for inputting organic pollution medium into the reactor in a direction changing and speed reducing manner, the reactor is filled with the organic pollution medium, the organic pollution medium completes the smoldering treatment process in the reactor, the extraction system is used for extracting tail gas generated after material smoldering, the tail gas is conveyed to the tail gas treatment device at the rear end, meanwhile, the device also has the function of sucking fresh air through a soil layer to provide oxygen for smoldering of a smoldering interface, the heating system is used for heating air to ignite an upper organic pollution medium in a convection manner, the air inlet system is used for inputting air into the heating system and the reactor, the air inlet system is mainly used for providing a uniformly dispersed air field for igniting the organic pollution medium in the early stage, sufficient oxygen is mainly provided for smoldering of the organic pollution medium in the later stage, and the discharging system is used for timely discharging the reacted material out of the reactor to provide space for supplementing new material and lifting the smoldering interface in the subsequent stage.
Wherein:
referring to fig. 2 and 3, the feeding system includes a hopper 1, a horizontal screw feeder 2, and a vertical screw feeder 3; a feed inlet is arranged on the storage hopper 1; the horizontal screw feeder 2 is communicated with the inside of the reactor through the vertical screw feeder 3; the feed inlet is communicated with the horizontal screw feeder 2. The horizontal screw feeder 2 and the vertical screw feeder 3 work cooperatively to realize the functions of material transfer, steering and speed reduction.
Referring to fig. 3 and 4, the extraction system comprises an extraction main pipeline 6, an extraction fan 7, an extraction ring box 12, an extraction shunt pipe 13, a metal filter screen 16, a drain valve 18 and a tail gas outlet pipeline 19; the side wall of the reactor is provided with a dense hole distributing belt; the extraction ring box 12 is sleeved outside the dense hole distributing belt; the extraction ring box 12 is communicated with the inside of the reactor through dense holes on a dense hole distribution belt; the extraction ring box 12 is internally filled with a metal filter screen 16; the bottom of the extraction ring box 12 is provided with a drain valve 18 communicated with the inside of the extraction ring box 12; the extraction shunt tube 13 is arranged outside the extraction ring box 12, one end of the extraction shunt tube 13 is communicated with the inside of the extraction ring box 12, the other end of the extraction shunt tube is communicated with the tail gas outlet pipeline 19 sequentially through the extraction main pipeline 6 and the extraction fan 7, and the extraction system pumps the tail gas after reaction outwards through the dense hole distribution belt. The extraction system also comprises a split flow baffle 17 arranged inside the extraction ring box 12; the inside of the extraction ring box 12 is divided into two mutually independent cavities by the split flow baffle 17, so that extraction air flow is more dispersed, and the inclination of a smoldering interface caused by concentrated extraction at one point is avoided; the number of the extraction shunt pipes 13 is two, and the two extraction shunt pipes 13 are respectively communicated with two mutually independent cavities. When a certain amount of oil-water mixture is accumulated in the extraction ring tank 12, the mixture is discharged through the drain valve 18.
The reactor comprises a reactor shell 4, a temperature sensor 14 and a material limiter 15 (the material limiter can be a commercially available product, for example, a coil spring type WLNJ travel switch is adopted in the invention); the air inlet system and the heating system are sequentially arranged at the top of the reactor shell 4 from top to bottom and communicated with the inside of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor shell 4 from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor shell 4 and communicated with the interior of the reactor; the material limiter 15 is arranged inside the reactor shell 4 and is close to the top of the reactor shell 4; the temperature sensor 14 is placed outside the reactor shell 4 and near the bottom of the reactor shell 4. The temperature sensor 14 is used for monitoring whether the smoldering interface reaches a specified position, and the material limiter 15 is used for controlling the height of the top surface of the material in the material lifting process.
The air inlet system comprises an air inlet pipeline 8, an air inlet fan 9 and a flow regulating valve; the air inlet fan 9 is communicated with the heating system through an air inlet pipeline 8.
The heating system comprises a heating chamber shell 5, a protective grille 20, a heater 21 and an air inlet distributor 22; the bottom of the heating chamber shell 5 is communicated with the top of the reactor shell 4 through a protective grille 20; the air inlet distributor 22 is arranged at the top of the interior of the heating chamber shell 5 and communicated with the air inlet system; the heater 21 is disposed between the protective grille 20 and the inlet distributor 22. The protective grille 20 prevents the organic pollution medium from directly contacting the heater 21, and the outside of the heating chamber housing 5 is covered with a thermal insulation material to prevent heat dissipation. Referring to fig. 5, the air inlet distributor 22 is of a shower structure, so that the air inlet flow is more uniformly dispersed to contact the surface of the organic pollution medium, and the organic pollution medium is completely ignited.
The discharging system comprises a discharging pipeline 10, a discharging pump 11 and an electric gate valve arranged on the discharging pipeline; one end of the discharging pipeline 10 is connected with the reactor shell 4 and communicated with the interior of the reactor, and the other end is provided with a discharging hole; the discharge pump 11 is arranged on the discharge pipeline 10; the discharge pump 11 is a solid material transfer pump and has a good pumping action on both granular solids and sand.
In the operation process, firstly, an external feed vehicle continuously adds organic pollution medium into a storage hopper 1, a horizontal screw feeder 2 and a vertical screw feeder 3 are started to fill the reactor and a feed system with the organic pollution medium, then the horizontal screw feeder 2 and the vertical screw feeder 3 are closed, an extraction fan 7, an air inlet fan 9 and a heater 21 are started to start, when the organic pollution medium in the reactor is ignited, the heater 21 is closed, the organic pollution medium in the reactor starts self-sustaining downward smoldering, when a smoldering interface moves downwards to the position of a temperature sensor 14, the temperature sensor 14 sends a signal to trigger a discharge pump 11 to start and an electric gate valve on a discharge pipeline 10 to open, the discharge system sucks out the medium after the upper part of the discharge port in the reactor reacts, after the medium is sucked out, the discharge pump 11 and the electric gate valve on the discharge pipeline 10 are closed, at the moment, the horizontal screw feeder 2 and the vertical screw feeder 3 are triggered to start, organic pollution medium and a smoldering interface in the reactor are slowly lifted upwards, when the top surface of the medium reaches the position of the material limiter 15, the material limiter 15 sends out a signal to trigger the horizontal screw feeder 2 and the vertical screw feeder 3 to stop working, at the moment, the smoldering interface continues to smolder downwards at a certain position at the upper end of the temperature sensor 14, when the smoldering interface moves downwards to reach the position of the temperature sensor 14 again, the temperature sensor 14 sends out a signal again to trigger the discharge pump 11 to start and the electric gate valve on the discharge pipeline 10 to open, the actions are repeated, so that the smoldering reaction is continuously carried out in the reactor, the time delay caused by interrupting the smoldering reaction due to loading and unloading in the traditional mode is reduced, the time is saved by replacing multiple ignition with one ignition, more energy-saving in energy consumption.
Claims (5)
1. An organic pollution medium treatment device for continuous smoldering reaction, which is characterized in that: the organic pollution medium treatment device for the continuous smoldering reaction comprises a feeding system, an extraction system, a reactor, a heating system, an air inlet system and a discharging system; the feeding system is provided with a feeding port, and the discharging system is provided with a discharging port; the air inlet system and the heating system are sequentially arranged at the top of the reactor from top to bottom and communicated with the interior of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor and communicated with the interior of the reactor; the extraction system comprises an extraction main pipeline (6), an extraction fan (7), an extraction ring box (12), an extraction shunt pipe (13), a metal filter screen (16), a liquid discharge valve (18) and a tail gas outlet pipeline (19); a dense hole distributing belt is arranged on the side wall of the reactor; the extraction ring box (12) is sleeved outside the dense hole distributing belt; the extraction ring box (12) is internally communicated with the inside of the reactor through dense holes on a dense hole distribution belt; the extraction ring box (12) is internally filled with a metal filter screen (16); the bottom of the extraction ring box (12) is provided with a liquid discharge valve (18) communicated with the inside of the extraction ring box (12); the extraction shunt tube (13) is arranged outside the extraction ring box (12), one end of the extraction shunt tube (13) is communicated with the inside of the extraction ring box (12), the other end of the extraction shunt tube is communicated with the tail gas outlet pipeline (19) sequentially through the extraction main pipeline (6) and the extraction fan (7), and the feeding system comprises a storage hopper (1), a horizontal screw feeder (2) and a vertical screw feeder (3); a feed inlet is arranged on the storage hopper (1); the horizontal screw feeder (2) is communicated with the inside of the reactor through the vertical screw feeder (3); the feeding hole is communicated with the horizontal spiral feeder (2), and the extraction system further comprises a split-flow baffle plate (17) arranged in the extraction ring box (12); the inside of the extraction ring box (12) is divided into two mutually independent cavities by the split flow baffle (17); the two extraction shunt pipes (13) are communicated with two mutually independent cavities respectively, and the reactor comprises a reactor shell (4), a temperature sensor (14) and a material limiter (15); the air inlet system and the heating system are sequentially arranged at the top of the reactor shell (4) from top to bottom and communicated with the inside of the reactor; the feeding system and the extraction system are sequentially arranged at the bottom of the reactor shell (4) from bottom to top and communicated with the inside of the reactor; the discharging system is arranged on the side wall of the reactor shell (4) and communicated with the inside of the reactor; the material limiter (15) is arranged inside the reactor shell (4) and is close to the top of the reactor shell (4); the temperature sensor (14) is arranged outside the reactor shell (4) and is close to the bottom of the reactor shell (4).
2. The apparatus for treating organic contaminated medium for continuous smoldering reaction according to claim 1, wherein: the air inlet system comprises an air inlet pipeline (8) and an air inlet fan (9); the air inlet fan (9) is communicated with the heating system through an air inlet pipeline (8).
3. The apparatus for treating organic contaminated medium for continuous smoldering reaction according to claim 2, wherein: the heating system comprises a heating chamber shell (5), a protective grille (20), a heater (21) and an air inlet distributor (22); the bottom of the heating chamber shell (5) is communicated with the top of the reactor shell (4) through a protective grille (20); the air inlet distributor (22) is arranged at the top of the interior of the heating chamber shell (5) and communicated with the air inlet system; the heater (21) is arranged between the protective grille (20) and the air inlet distributor (22).
4. A device for treating organic contaminated medium for continuous smoldering reaction according to claim 3, wherein: the air inlet distributor (22) is of a shower structure.
5. The apparatus for treating organic contaminated medium for continuous smoldering reaction according to claim 4, wherein: the discharging system comprises a discharging pipeline (10) and a discharging pump (11); one end of the discharging pipeline (10) is connected with the reactor shell (4) and communicated with the interior of the reactor, and the other end of the discharging pipeline is provided with a discharging hole; the discharging pump (11) is arranged on the discharging pipeline (10); the discharging pump (11) is a solid material conveying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874619.8A CN110513706B (en) | 2019-09-16 | 2019-09-16 | Organic pollution medium treatment device and treatment method for continuous smoldering reaction |
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|---|---|---|---|
| CN201910874619.8A CN110513706B (en) | 2019-09-16 | 2019-09-16 | Organic pollution medium treatment device and treatment method for continuous smoldering reaction |
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| CN110513706A CN110513706A (en) | 2019-11-29 |
| CN110513706B true CN110513706B (en) | 2024-04-12 |
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| CN112856441B (en) * | 2020-04-16 | 2021-11-19 | 华中科技大学 | Organic waste liquid self-maintaining smoldering continuous reaction device and reaction method |
| CN112197282B (en) * | 2020-09-03 | 2021-06-29 | 江苏大地益源环境修复有限公司 | Smoldering equipment for treating organic pollution medium in production line mode and smoldering treatment method |
Citations (6)
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