CN113209730A - High-efficient filtration of industrial waste gas adsorbs and combustion processing device - Google Patents
High-efficient filtration of industrial waste gas adsorbs and combustion processing device Download PDFInfo
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- CN113209730A CN113209730A CN202110539070.4A CN202110539070A CN113209730A CN 113209730 A CN113209730 A CN 113209730A CN 202110539070 A CN202110539070 A CN 202110539070A CN 113209730 A CN113209730 A CN 113209730A
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- waste gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
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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
- 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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention is suitable for the technical field of waste gas combustion treatment, and provides an industrial waste gas efficient filtering, adsorbing and combustion treatment device, which comprises a waste gas filtering treatment device, a burner and a tail gas denitration system, wherein the waste gas filtering treatment device, the burner and the tail gas denitration system are connected through pipelines; the waste gas filtering and treating device comprises an air inlet filtering component and a waste gas compression component, wherein the output end of the air inlet filtering component is connected with the waste gas compression component, and the output end of the waste gas compression component is connected with the input end of the combustor; the output end of the combustor is connected with the tail gas denitration system. Therefore, the invention realizes the purification treatment of the waste gas through the waste gas filtering treatment device, the burner and the tail gas denitration system, thereby reducing the air pollution.
Description
Technical Field
The invention relates to the technical field of waste gas combustion treatment, in particular to an industrial waste gas efficient filtering, adsorbing and combustion treatment device.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, and the human life brings about the generation of domestic waste gas, the discharged waste gas has large smell, seriously pollutes the environment and affects the human health.
Industrial waste gases emitted by various production enterprises are important sources of atmospheric pollutants. If a large amount of industrial waste gas is discharged into the atmosphere after reaching the standard without treatment, the quality of the atmospheric environment is inevitably reduced, serious harm is brought to the human health, and huge loss is caused to national economy. After toxic and harmful substances in industrial waste gas enter a human body through respiratory tract and skin, the long-term low-concentration or short-term high-concentration contact can cause temporary and permanent pathological changes of systems and organs such as breath, blood, liver and the like of the human body, and particularly benzopyrene polycyclic aromatic hydrocarbons can directly cause carcinogenesis of the human body to draw high attention to human beings.
The industrial waste gas is firstly filtered to remove particles in the industrial waste gas, and then the industrial waste gas is compressed and combusted, so that the industrial waste gas is easier to combust, and the combustion efficiency can be improved by 5-10%. Thereby effectively driving the development of the industries producing waste gas such as mining industry, food and beverage, tobacco manufacturing, textile industry, paper and paper products, petroleum processing, electric steam, coking gas, coal products and the like.
At present, the domestic industrial waste gas combustion treatment device commonly used does not have a waste gas filtering system, the waste gas combustion efficiency is influenced, the waste gas impurities are more after combustion, the air outlet assembly is easily blocked in the discharge process, and the smoke dust in the waste gas can pollute the environment and the like. The project technology adopts two groups of filtering components, and the filter material is not required to be stopped when being replaced, so that the waste gas treatment efficiency is improved; meanwhile, the waste gas pre-compression system is designed, and the waste gas combustion efficiency is improved by 5-8%.
The traditional treatment method has high investment and operation cost, is easy to cause catalyst poisoning, reduces the treatment efficiency and blocks equipment, has high material consumption, low nitrogen oxide removal efficiency, causes great abrasion to the equipment and the like.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides an industrial waste gas filtering, adsorbing and burning device, which can purify waste gas by a waste gas filtering device, a burner and a tail gas denitration system, so as to reduce air pollution.
In order to achieve the aim, the invention provides an industrial waste gas efficient filtering, adsorbing and burning treatment device, which comprises a waste gas filtering treatment device, a burner and a tail gas denitration system, wherein the waste gas filtering treatment device, the burner and the tail gas denitration system are connected through pipelines; the waste gas filtering and treating device comprises an air inlet filtering component and a waste gas compression component, wherein the output end of the air inlet filtering component is connected with the waste gas compression component, and the output end of the waste gas compression component is connected with the input end of the combustor; the output end of the combustor is connected with the tail gas denitration system.
Preferably, the air inlet filter assembly comprises a screw, a rotary table and two filter barrels, the screw is located in the middle of the rotary table, the side faces of the rotary table are connected with the filter barrels through connecting plates, the number of the filter barrels is two, and the two filter barrels are symmetrically distributed along the central line of the rotary table.
Preferably, the waste gas compression subassembly includes compression case, compression board and connection the telescopic link of compression board, compression board sliding connection the compression case, just the compression case middle part is equipped with the limiting plate, the upper end of compression case is equipped with the compression case apron, the compression case apron is through the feed inlet of the subassembly connection combustor of giving vent to anger.
Preferably, the input of compression case still is equipped with the disk, the middle part of disk is equipped with the admission line, the edge of disk is equipped with inserts the ring, insert and be equipped with the ring hole of inserting that the position matches each other in the backup pad of ring and compression case, be equipped with on the filter vat with insert the intubate that the ring matches.
Preferably, the combustor is further provided with an automatic combustion control system, the automatic combustion control system comprises an exhaust gas pressure transmission, a natural gas flow transmission and an exhaust gas flow transmission which are connected with the combustor, the natural gas flow transmission is connected with the combustor through a natural gas flow regulating valve, and the natural gas flow regulating valve is provided with a natural gas electromagnetic valve; the exhaust gas pressure transmission and the exhaust gas flow transmission are both provided with an exhaust gas electromagnetic valve; and the natural gas flow speed changer is also connected with an air proportion regulating valve.
Preferably, the combustion automatic control system is a PLC control system, and the natural gas electromagnetic valve, the air proportion regulating valve and the waste gas electromagnetic valve are both connected with the PLC control system.
Preferably, the tail gas denitration system sequentially comprises a thermal gas mass flow meter, a mixed gas flow regulating valve, a dust remover, a decomposition reactor, a flue gas cooling system and an exhaust fan, wherein a gas overheat protector is further arranged at the input end of the tail gas denitration system, and one input port of the mixed gas flow regulating valve is connected with external air.
Preferably, the dust remover is a bag-type dust remover, and the decomposition reactor is a flue-type denitrification reactor.
The invention provides an industrial waste gas efficient filtering, adsorbing and burning treatment device, which comprises a waste gas filtering treatment device, a burner and a tail gas denitration system, wherein the waste gas filtering treatment device, the burner and the tail gas denitration system are connected through pipelines; the waste gas filtering and treating device comprises an air inlet filtering component and a waste gas compression component, wherein the output end of the air inlet filtering component is connected with the waste gas compression component, and the output end of the waste gas compression component is connected with the input end of the combustor; the output end of the combustor is connected with the tail gas denitration system. Waste gas that needs to handle will filter through exhaust gas filter equipment, then compressed back by waste gas compression subassembly, gets into the combustor, in the combustor, except the waste gas that needs handle, still can mix a certain amount of natural gas, and the waste gas after being burnt is through tail gas denitration system processing, and after according with emission standard, the waste gas after being handled can discharge to the atmosphere.
Drawings
FIG. 1 is a schematic overall workflow of the present invention;
FIG. 2 is a schematic view of the construction of the exhaust gas filtration treatment apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the filter device of the present invention;
FIG. 4 is a schematic view of the positional relationship of the turntable and the lauter tub of the present invention;
FIG. 5 is a schematic structural diagram of an automatic combustion control system of the present invention;
FIG. 6 is a schematic structural view of an exhaust gas denitration system of the present invention;
in the figure, 1-an exhaust gas filtering and treating device, 11-a compression box, 111-a compression box cover plate, 112-a limiting plate, 113-a compression plate, 12-a telescopic rod, 13-a wafer, 131-an insert ring, 14-an air outlet component, 15-a rotary table, 16-a filter barrel, 17-a screw rod, 18-a connecting plate and 181-an insert pipe;
2-combustion automatic control system, 21-air proportion regulating valve, 22-natural gas flow regulating valve, 23-exhaust gas flow speed changer, 24-exhaust gas pressure speed changer, 25-natural gas electromagnetic valve, 26-exhaust gas electromagnetic valve and 27-natural gas flow speed changer;
3-a tail gas denitration system, 31-a gas overheat protector, 32-a thermal gas mass flowmeter, 33-a mixed gas flow regulating valve, 34-a bag-type dust remover, 35-a decomposition reactor, 36-a flue gas cooling system and 37-an exhaust fan;
4-burner, 41-temperature measuring device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1 to 5, the present invention provides an industrial waste gas high efficiency filtering, adsorbing and burning treatment device, which comprises a waste gas filtering treatment device 1, a burner 4 and a tail gas denitration system 3 connected by a pipeline; the waste gas filtering and treating device 1 comprises an air inlet filtering component and a waste gas compression component, wherein the output end of the air inlet filtering component is connected with the waste gas compression component, and the output end of the waste gas compression component is connected with the input end of the combustor 4; the output end of the burner 4 is connected with the tail gas denitration system 3. Waste gas that needs to handle will filter through exhaust gas filter equipment (intake filter assembly), then by the compression of exhaust gas compression subassembly after, get into combustor 4, waste gas is at the in-process of combustor 4 burning, except that there is the waste gas that needs to handle, still can mix a certain amount of natural gas to improve combustion effect, waste gas after being burnt is through tail gas and takes off a round pin system 3 to handle, after meeting emission standard, the waste gas after being handled can discharge in the atmosphere.
Preferably, the intake air filtering assembly of the present invention comprises a screw 17, a rotating disc 15 and two filtering barrels 16, wherein the screw 17 is located in the middle of the rotating disc 15, the side surface of the rotating disc 15 is connected with the filtering barrels 16 through a connecting plate 18, the number of the filtering barrels 16 is two, and the two filtering barrels 16 are symmetrically distributed along the center line of the rotating disc 15. The waste gas contains a large amount of dust particles and can not be directly combusted in the combustor 4, therefore, the waste gas filtering treatment device 1 is required to filter the waste gas firstly, a filter barrel 16 is arranged in the air inlet filter assembly, the filter barrel 16 is connected with the rotary table 15 through a connecting plate 18, when the device is installed, the screw 17 is inserted into the front end of the support frame of the compression box 11, the rotary table 15 is rotated, the insertion pipe 181 on the connecting plate 18 is sleeved with the wafer 13 and the insertion ring 131, then the rotary table 15 is fixed by the screw 17, the waste gas to be filtered can sequentially pass through the filter barrel 16, the insertion pipe 181 and the wafer 13, the filter barrel 16 is fixed at the air inlet of the pipeline by the wafer 13 and the insertion ring 131, a filter screen is arranged in the filter barrel 16, the passing gas is filtered, and the filtered gas finally enters the inner cavity of the compression box 11 to be compressed. The number of the filter barrels 16 is generally two, so that synchronous air inlet at two sides can be realized, or one filter barrel 16 is used as a spare part, so that the replacement is convenient. In order to ensure air tightness, the middle part of the wafer 13 is also provided with a one-way valve to prevent gas backflow.
In addition, the waste gas compression assembly comprises a compression box 11, a compression plate 113 and an expansion link 12 connected with the compression plate 113, wherein the compression plate 113 is connected with the compression box 11 in a sliding manner, a limit plate 112 is arranged in the middle of the compression box 11, a compression box cover plate 111 is arranged at the upper end of the compression box 11, and the compression box cover plate 111 is connected with a feed inlet of the combustor 4 through an air outlet assembly 14. The telescopic rod 12 can drive the compression plate 113 to do linear motion in the compression box 11 under the action of the power device, when the compression plate 113 moves forwards, the compression plate can compress the gas in the compression box 11, the compression degree is determined by the position of the limiting plate 112, and the compressed gas enters the combustor 4 through the gas outlet assembly 14 on the compression box cover plate 111. In actual production, the power device of the telescopic rod 12 is generally preferred to be a hydraulic assembly.
Furthermore, the input end of the compression box 11 is also provided with a wafer 13, the middle part of the wafer 13 is provided with an air inlet pipeline, the edge of the wafer 13 is provided with an insert ring 131, and the edge of the wafer 13 needs to be connected with the filter barrel 16 through the insert ring 131, so that the rotation of the filter barrel 16 is prevented, and the running stability of the equipment is improved.
Preferably, the combustor 4 of the invention is further provided with an automatic combustion control system 2, the automatic combustion control system 2 comprises an exhaust gas pressure transmission 24, a natural gas flow transmission 27 and an exhaust gas flow transmission which are connected with the combustor 4, the natural gas flow transmission 27 is connected with the combustor 4 through a natural gas flow regulating valve 22, and the natural gas flow regulating valve 22 is provided with a natural gas electromagnetic valve 25; the exhaust gas pressure transmission 24 and the exhaust gas flow transmission 23 are both provided with an exhaust gas solenoid valve 26; the natural gas flow transmission 27 is also connected with an air ratio regulating valve 21. The automatic control system comprises a PLC controller, a combustor 4, a temperature measuring device 41, a natural gas flow regulating valve 22, a natural gas flow speed changer 27, an exhaust gas electromagnetic valve 26 and an exhaust gas pressure speed changer 24. The air proportion regulating valve 21 controls the air inlet proportion, the natural gas electromagnetic valve 25, the natural gas flow regulating valve 22 and the waste gas electromagnetic valve 26 realize the control of the air inlet time and the air inlet amount of the waste gas by controlling the waste gas flow speed changer 23, and the natural gas and the waste gas can be fully combusted in the combustor 4 as far as possible after being mixed according to a certain proportion, thereby realizing the harmless treatment of the waste gas. In the actual operation process, the automatic adjustment control of the combustor 4 can be realized through the PLC, so that stable combustion can be maintained, the waste gas can be fully combusted, and the energy can be fully recycled.
In the actual use process, the tail gas denitration system 3 sequentially comprises a thermal gas mass flow meter 32, a mixed gas flow regulating valve 33, a dust remover, a decomposition reactor 35, a flue gas cooling system 36 and an exhaust fan 37, wherein a gas overheating protector 31 is further arranged at the input end of the tail gas denitration system 3, and the gas overheating protector 31 can realize the protection of equipment and pipelines. The thermal gas mass flow meter 32 is a meter that measures the flow rate of gas using the principle of thermal diffusion. The sensor consists of two reference level thermal Resistors (RTDs). One is a velocity sensor RH and one is a temperature sensor RMG which measures the change in gas temperature. When the two RTDs are placed in the gas being measured, with sensor RH being heated, the other sensor RMG is used to sense the temperature of the gas being measured. As the gas flow rate increases, the gas flow carries more heat away and the temperature of the sensor RH drops.
One of the input ports of the mixed gas flow rate adjustment valve 33 is connected to the outside air. After the waste gas is burnt, the temperature is higher, a large amount of impurities and dust can be generated, the flow and the flow velocity are controlled by a flowmeter and a mixed gas flow regulating valve 33, and the impurities after burning are filtered by a bag-type dust remover 34.
The flue gas cooling system 36 generally adopts a condenser for a boiler, and after the boiler uses the flue gas condenser, the production cost can be effectively saved, the exhaust gas temperature of the boiler is reduced, and the thermal efficiency of the boiler is improved. The bag-type dust collector 34 is a dry dust-filtering device. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by the filtering action of the fiber fabric, after the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity is settled under the action of gravity and falls into the dust hopper, the dust is blocked when the gas containing fine dust passes through the filter material, the gas is purified, and the purified gas is cooled by the flue gas cooling system 36 and is discharged to the atmosphere by the exhaust fan 37 after being detected to be qualified.
The tail gas denitration technology adopts a semiconductor pump rubidium steam laser technology, the strength of N-O bonds in nitrogen oxide molecules is gradually weakened through a simple and direct energy effect, the nitrogen oxide molecules are finally broken and dissociated, and the nitrogen oxide in waste gas is finally decomposed into harmless nitrogen and oxygen, so that zero use of chemical materials and zero emission of pollutants are realized.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The industrial waste gas efficient filtering, adsorbing and burning treatment device is characterized by comprising a waste gas filtering treatment device, a burner and a tail gas denitration system which are connected through a pipeline;
the waste gas filtering and treating device comprises an air inlet filtering component and a waste gas compression component, wherein the output end of the air inlet filtering component is connected with the waste gas compression component, and the output end of the waste gas compression component is connected with the input end of the combustor;
the output end of the combustor is connected with the tail gas denitration system.
2. The industrial waste gas high-efficiency filtering, adsorbing and combusting treatment device as claimed in claim 1, wherein the air inlet filtering component comprises a screw, a rotary table and two filtering barrels, the screw is located in the middle of the rotary table, the side surfaces of the rotary table are connected with the filtering barrels through connecting plates, and the two filtering barrels are symmetrically distributed along the central line of the rotary table.
3. The industrial waste gas high-efficiency filtering, adsorbing and burning treatment device according to claim 1, wherein the waste gas compression assembly comprises a compression box, a compression plate and a telescopic rod connected with the compression plate, the compression plate is slidably connected with the compression box, a limiting plate is arranged in the compression box, a compression box cover plate is arranged at the upper end of the compression box, and the compression box cover plate is connected with a feed inlet of the burner through a gas outlet assembly.
4. The industrial waste gas high-efficiency filtering, adsorbing and combusting treatment device as claimed in claim 3, wherein the input end of the compression box is further provided with a wafer, the middle part of the wafer is provided with an air inlet pipeline, the edge of the wafer is provided with an inserting ring, the supporting plates of the inserting ring and the compression box are provided with inserting ring holes with mutually matched positions, and the filter barrel is provided with an inserting pipe matched with the inserting ring.
5. The industrial waste gas high-efficiency filtering, adsorbing and burning treatment device as claimed in claim 1, wherein the burner is further provided with an automatic burning control system, the automatic burning control system comprises a waste gas pressure transmission, a natural gas flow transmission and a waste gas flow transmission which are connected with the burner, the natural gas flow transmission is connected with the burner through a natural gas flow regulating valve, and the natural gas flow regulating valve is provided with a natural gas electromagnetic valve; the exhaust gas pressure transmission and the exhaust gas flow transmission are both provided with an exhaust gas electromagnetic valve; and the natural gas flow speed changer is also connected with an air proportion regulating valve.
6. The industrial waste gas high-efficiency filtering, adsorbing and burning treatment device according to claim 5, wherein the automatic burning control system is a PLC control system, and the natural gas electromagnetic valve, the air proportion regulating valve and the waste gas electromagnetic valve are connected with the PLC control system.
7. The industrial waste gas high-efficiency filtering, adsorbing and burning treatment device according to claim 1, wherein the tail gas denitration system comprises a thermal gas mass flow meter, a mixed gas flow regulating valve, a dust remover, a decomposition reactor, a flue gas cooling system and an exhaust fan in sequence, a gas overheat protector is further arranged at an input end of the tail gas denitration system, and one input port of the mixed gas flow regulating valve is connected with external air.
8. The industrial waste gas high-efficiency filtering, adsorbing and burning treatment device according to claim 7, wherein the dust remover is a bag-type dust remover, and the decomposition reactor is a flue-type denitrification reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539070.4A CN113209730A (en) | 2021-05-18 | 2021-05-18 | High-efficient filtration of industrial waste gas adsorbs and combustion processing device |
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| CN202110539070.4A CN113209730A (en) | 2021-05-18 | 2021-05-18 | High-efficient filtration of industrial waste gas adsorbs and combustion processing device |
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| CN113209730A true CN113209730A (en) | 2021-08-06 |
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| CN202110539070.4A Pending CN113209730A (en) | 2021-05-18 | 2021-05-18 | High-efficient filtration of industrial waste gas adsorbs and combustion processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113640347A (en) * | 2021-10-18 | 2021-11-12 | 胜利油田华海石化有限责任公司 | On-line monitoring natural gas dew point device |
| CN115371059A (en) * | 2022-08-05 | 2022-11-22 | 江苏大格环境科技有限公司 | High-nitrogen-content waste gas and liquid incineration process and system |
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