CN109576001B - Organic hazardous waste pyrolysis gas purifying system - Google Patents
Organic hazardous waste pyrolysis gas purifying system Download PDFInfo
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- CN109576001B CN109576001B CN201811637229.0A CN201811637229A CN109576001B CN 109576001 B CN109576001 B CN 109576001B CN 201811637229 A CN201811637229 A CN 201811637229A CN 109576001 B CN109576001 B CN 109576001B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/026—Dust removal by centrifugal forces
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/32—Purifying combustible gases containing carbon monoxide with selectively adsorptive solids, e.g. active carbon
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/34—Purifying combustible gases containing carbon monoxide by catalytic conversion of impurities to more readily removable materials
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- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Industrial Gases (AREA)
Abstract
The invention discloses an organic hazardous waste pyrolysis gas purification system which comprises a cyclone dust collector, a ceramic filter element dust collector, a catalytic cracking tower, a desulfurizing tower, a draught fan, an oil-gas separation device, an oil-water separation device, an alkaline washing tower, an active carbon adsorption tower and a gas holder which are sequentially connected through pipelines, wherein the oil-gas separation device is connected with a heavy oil tank through a heavy oil pipeline, and the oil-water separation device is connected with a light oil tank through a light oil pipeline. The system has the advantages that the organic dangerous waste pyrolysis gas can be purified before condensation, the gas cleanliness is improved, and the quality of the condensed oil product can be improved.
Description
Technical Field
The invention mainly relates to the technical field of low-temperature pyrolysis and liquefaction of organic hazardous waste, in particular to an organic hazardous waste pyrolysis gas purification system.
Background
In the case of highly concentrated modern large industries, the pollution of the organic hazardous waste discharged from industrial production to the surrounding environment is increasingly serious. It will have serious effect on fishery and agriculture directly, and at the same time, it will directly or indirectly harm human health. Among the environmental pollution, the pollution effect of the organic hazardous waste is the greatest, but the disposal of the organic hazardous waste is left blank.
Although the traditional incineration mode can realize the reduction and recycling of organic wastes, secondary pollution, especially pollution of dioxin, can be caused to the environment in the production process, and measures can be taken only to reduce as much as possible, so that the pollution can not be eliminated. Compared with incineration, the low-temperature pyrolysis is a safe and effective treatment method in the field of treatment and utilization of organic hazardous waste, and the low-temperature pyrolysis is a decomposition reaction in an anaerobic environment, so that secondary pollution such as dioxin, dust, malodor and the like is fundamentally eliminated.
Pyrolysis gas generated by low-temperature pyrolysis contains a small amount of dust and tar besides hydrocarbon, carbon monoxide, hydrogen, carbon dioxide and methane, and the dust and tar are condensed on a boiler, a pipeline and an inlet device of an internal combustion engine, so that the normal operation of equipment is influenced; because the cyclone dust collector is generally adopted to separate carbon powder in pyrolysis gas at present, a large amount of tiny carbon particles and dust are still mixed in the pyrolysis gas, so that the problems of poor fluidity, incapability of direct use, difficult deep processing and the like of the condensed oil product are caused, and the oil product generated after hydrocarbon condensation has odor, deep color, high colloid content, low condensation point and easy oxidation to generate floccules. For the existing organic dangerous pyrolysis equipment, the condensation impurity removal process of pyrolysis gas needs to be improved, and the oil quality and the recycling rate of fuel gas are improved. Related researches are also carried out in China for purifying and refining pyrolysis gas:
yi Weiming et al (CN 106085512A) of Shandong university discloses a gas-solid separation system of biomass pyrolysis gas, namely a dust removal system, which comprises a cyclone dust collector and a pyrolysis gas purifier.
Li Yijiang (CN 204752647U) of Guizhou Dexin source engineering equipment Co., ltd discloses a pyrolysis gas purifier ", which is characterized in that gas is introduced into a water tank, a gas-liquid separator and a condenser pipe at one time to obtain clean gas, however, after the gas is introduced into the water tank, because water in the water tank is continuously turned, generated tar cannot be discharged due to gravity but is distributed in the whole water tank, so that water in the water tank needs to be continuously replaced to meet the effect, water in the water tank is discharged, and the water in the water tank not only causes pollution of water resources but also causes waste of energy
Yang Jizhuang of Beijing shenyuan environmental protection limited discloses a pyrolysis gas purification device (CN 207552268U), and this pyrolysis gas purification device includes the primary filter unit and the fine filter unit, and pyrolysis gas is first through the primary filter unit, in bubbling water bath and spray condensation's effect, and the most organic matter of the inside is condensed into water, and uncondensed gas is last through the effect of the special filter layer in the fine filter unit, and the gas of discharging reaches the processing requirement completely. Through the cooperation of primary filter unit and smart filter unit for pyrolysis gas can carry out a lot of filtration, has improved living beings pyrolysis gas purification device and has got rid of the efficiency of tar and dust, but sprays, water bath can produce oily, dust-laden waste water, can not only block up shower nozzle and pipeline and still can cause secondary pollution, and tar after the oil water condensation can also block up valve and pipeline moreover, makes this clean system unable continuous stable operation.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the organic hazardous waste pyrolysis gas purifying system which can realize the purification of the organic hazardous waste pyrolysis gas before condensation, improve the cleanliness of fuel gas and improve the quality of oil products after condensation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an organic danger pyrolysis gas clean system, includes cyclone, ceramic filter core dust remover, catalytic cracking tower, desulfurizing tower, draught fan, oil-gas separation device, oil-water separation device, alkaline wash tower, active carbon adsorption tower and gas holder that connect gradually through the pipeline, oil-gas separation device has heavy oil tank through heavy oil pipe connection, oil-water separation device has the light oil tank through light oil pipe connection.
As a further improvement of the above technical scheme:
the oil-gas separation device comprises a first water cooler and a heavy oil horizontal buffer tank, wherein the heavy oil horizontal buffer tank is arranged at the bottom of the first water cooler, the first water cooler is connected with the oil-water separation device through a pipeline, and the heavy oil horizontal buffer tank is connected with a heavy oil pipeline and is connected with an induced draft fan through a pipeline.
The heavy oil pipeline is provided with a first liquid level interlocking control valve.
And circulating cooling water is introduced into the first water cooler.
The oil-water separation device comprises a second water cooler and a light oil horizontal buffer tank, wherein the light oil horizontal buffer tank is arranged at the bottom of the second water cooler, the second water cooler is connected with the alkaline washing tower through a pipeline, and the light oil horizontal buffer tank is connected with a light oil pipeline and is connected with the first water cooler through a pipeline.
And a second liquid level interlocking control valve is arranged on the light oil pipeline.
And circulating cooling water is introduced into the second water cooler.
And a drain pipe is arranged on the light oil horizontal buffer tank.
And a third liquid level interlocking control valve is arranged on the drain pipe.
The ceramic filter element dust remover passes through nitrogen.
Compared with the prior art, the invention has the advantages that:
the invention relates to a machine-fixed waste pyrolysis gas purification system. Compared with the traditional structure, the system adopts a mode of combining the cyclone dust collector and the ceramic filter element dust collector under the condition of not reducing the temperature of pyrolysis gas, so that small particles, tiny particle carbon powder and dust in the pyrolysis gas are removed, water resources are saved, the quality of the pyrolysis gas is improved, and the chromaticity of pyrolysis oil is reduced; the pyrolysis gas after dust removal directly enters a catalytic cracking tower, and macromolecular hydrocarbons are cracked into micromolecular hydrocarbons, so that the condensation point of pyrolysis oil and the colloid content in the pyrolysis oil are reduced; the desulfurizing tower adopts a mode of converting organic sulfur into inorganic sulfur and absorbing inorganic sulfur, so that the organic sulfur such as mercaptan, thioether, dimethyl disulfide and the like in pyrolysis gas is effectively removed, and the sulfur content in the pyrolysis gas and pyrolysis oil is reduced; the method adopts a secondary condensation mode, and according to the characteristics of different condensation points of heavy oil and light oil, the heavy oil is condensed firstly, then the light oil is condensed, and the quality of pyrolysis oil is improved; acid gases such as H2S, SO2, HCl and the like in the pyrolysis gas are removed by adopting an alkaline washing mode; and the activated carbon adsorption tower is adopted to remove a small amount of oil gas and water in the non-condensable gas, so that the quality of pyrolysis gas is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The reference numerals in the drawings denote:
1. a cyclone dust collector; 2. a ceramic filter element dust remover; 3. a catalytic cracking tower; 4. a desulfurizing tower; 5. an induced draft fan; 6. an oil-gas separation device; 61. a first water cooler; 62. heavy oil horizontal buffer tank; 7. an oil-water separation device; 71. a second water cooler; 72. a light oil horizontal buffer tank; 8. an alkaline washing tower; 9. an activated carbon adsorption tower; 10. a gas holder; 11. heavy oil pipelines; 111. a first liquid level interlock control valve; 12. a heavy oil tank; 13. a light oil pipeline; 131. a second liquid level linkage control valve; 14. a light oil tank; 15. a drain pipe; 151. and a third liquid level linkage control valve.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1, an embodiment of the organic hazardous waste pyrolysis gas purification system of the present invention comprises a cyclone dust collector 1, a ceramic filter element dust collector 2, a catalytic cracking tower 3, a desulfurizing tower 4, a draught fan 5, a gas-oil separation device 6, a gas-oil separation device 7, an alkaline washing tower 8, an activated carbon adsorption tower 9 and a gas holder 10 which are sequentially connected through pipelines, wherein the gas-oil separation device 6 is connected with a heavy oil tank 12 through a heavy oil pipeline 11, and the gas-oil separation device 7 is connected with a light oil tank 14 through a light oil pipeline 13. When the system is operated, pyrolysis gas (450-500 ℃) from an outlet of an organic hazardous waste low-temperature pyrolysis furnace is subjected to primary dust removal through a cyclone dust remover 1, and large-particle carbon powder and dust in the pyrolysis gas are removed; the pyrolysis gas after primary dust removal is subjected to secondary dust removal by a ceramic filter element dust remover 2, and tiny particle carbon powder and dust in the pyrolysis gas are removed; pyrolysis gas after secondary dust removal enters a catalytic cracking tower 3 to be cracked into micromolecular hydrocarbon by tar and hydrocarbon of macromolecules, the catalyst is a modified ZSM-5 molecular sieve catalyst, the reaction temperature is 450-500 ℃, and the catalyst which is inactive is discharged and burnt for regeneration; the pyrolysis gas after pyrolysis enters a desulfurizing tower 4, organic sulfur in the pyrolysis gas is converted into inorganic sulfur, part of the inorganic sulfur is absorbed by an adsorbent, a high-temperature desulfurizing agent is adopted as a catalyst, the catalyst is special for removing H2S in fuel gas and other industrial gases prepared from coal, oil or natural gas at medium and high temperatures, part of the organic sulfur can be converted and absorbed, the catalyst has the characteristics of high sulfur capacity, good stability and multiple regeneration, and the reaction temperature is 400-450 ℃; the desulfurized pyrolysis gas is conveyed to an oil-gas separation device 6 through an induced draft fan 5, when macromolecular hydrocarbons pass through the oil-gas separation device 6, the pyrolysis gas is condensed to 200 ℃, and the condensed heavy oil is conveyed to a heavy oil tank 12 through a heavy oil pipeline 11; the uncondensed pyrolysis gas enters an oil-water separation device 7 for secondary condensation, the pyrolysis temperature is controlled below 40 ℃, micromolecular hydrocarbons and water vapor are respectively condensed into light oil and water, an oil-water mixture is layered in the oil-water separation device 7, an oil phase is sent to a light oil tank 14 through a light oil pipeline 13, and a water phase is sent to a sewage treatment device; the non-condensable gas after secondary condensation enters an alkaline washing tower 8 to remove H2S, SO2, HCl and other acid gases in the non-condensable gas; the non-condensable gas with acid gas removed enters an activated carbon adsorption tower 9, so that a small amount of oil gas and water in the non-condensable gas are removed, and the quality of pyrolysis gas is further improved; the non-condensable gases with the oil gas and water removed enter the gas holder 10 for storage. Compared with the traditional structure, the system adopts a mode of combining the cyclone dust collector 1 and the ceramic filter element dust collector 2 under the condition that the temperature of the pyrolysis gas is not reduced, small particles, tiny particle carbon powder and dust in the pyrolysis gas are removed, water resources are saved, the quality of the pyrolysis gas is improved, and the chromaticity of pyrolysis oil is reduced; the pyrolysis gas after dust removal directly enters a catalytic cracking tower 3, and macromolecular hydrocarbons are cracked into micromolecular hydrocarbons, so that the condensation point of pyrolysis oil and the colloid content in the pyrolysis oil are reduced; the desulfurizing tower 4 adopts a mode of converting organic sulfur into inorganic sulfur and absorbing inorganic sulfur, so that the organic sulfur such as mercaptan, thioether, dimethyl disulfide and the like in pyrolysis gas is effectively removed, and the sulfur content in the pyrolysis gas and pyrolysis oil is reduced; the method adopts a secondary condensation mode, and according to the characteristics of different condensation points of heavy oil and light oil, the heavy oil is condensed firstly, then the light oil is condensed, and the quality of pyrolysis oil is improved; acid gases such as H2S, SO2, HCl and the like in the pyrolysis gas are removed by adopting an alkaline washing mode; the activated carbon adsorption tower 9 is adopted to remove a small amount of oil gas and water in the non-condensable gas, so that the quality of pyrolysis gas is ensured.
In the embodiment, a plurality of groups of ceramic filter elements are arranged in the ceramic filter element dust remover 2, each group of filter elements independently operates, and when the pressure difference between the inner surface and the outer surface of the filter elements is increased, the group of filter elements automatically shifts to a nitrogen purging stage, the dust removal precision reaches 0.2um, and the dust removal efficiency reaches 99%; the pyrolysis gas after dust removal by the cyclone dust remover 1 passes through a micro pore canal between the inner surface and the outer surface of the ceramic filter element, and carbon powder particles and dust are trapped on the outer surface of the filter element.
In this embodiment, the oil-gas separation device 6 includes a first water cooler 61 and a heavy oil horizontal buffer tank 62, the heavy oil horizontal buffer tank 62 is disposed at the bottom of the first water cooler 61, the first water cooler 61 is connected to the oil-water separation device 7 through a pipeline, and the heavy oil horizontal buffer tank 62 is connected to the heavy oil pipeline 11 and to the induced draft fan 5 through a pipeline. The upper part of the oil-gas separation device 6 is provided with a first water cooler 61, the lower part is provided with a heavy oil horizontal buffer tank 62, heavy component hydrocarbons are condensed into liquid, light component hydrocarbons and water are still gas, condensate enters the heavy oil horizontal buffer tank 62 through a heavy oil pipeline 11, and uncondensed pyrolysis gas enters the oil-water separation device 7.
In this embodiment, the heavy oil pipe 11 is provided with a first liquid level interlock control valve 111. When the liquid level of the heavy oil horizontal buffer tank 62 is lower than the set value, the first liquid level interlocking control valve 111 is automatically closed, and the pyrolysis gas is prevented from channeling into the heavy oil tank 12.
In this embodiment, the first water cooler 61 is fed with circulating cooling water (G2). The first water cooler 61 adopts the countercurrent heat exchange of the circulating cooling water, so that the heat exchange efficiency is ensured.
In this embodiment, the oil-water separation device 7 includes a second water cooler 71 and a light oil horizontal buffer tank 72, the light oil horizontal buffer tank 72 is disposed at the bottom of the second water cooler 71, the second water cooler 71 is connected to the alkaline washing tower 8 through a pipeline, and the light oil horizontal buffer tank 72 is connected to the light oil pipeline 13 and is connected to the first water cooler 61 through a pipeline. The oil-water separation device 7 is provided with a second water cooler 71, a light oil horizontal buffer tank 72 is arranged at the lower part, the oil gas and water vapor which are not condensed in advance are condensed into light oil and water by the second water cooler 71, the light oil and the water vapor are stored in the light oil horizontal buffer tank 72, the light oil is sent to a light oil tank 14 through a light oil pipeline 13, and the water phase is sent to a sewage treatment device; non-condensable gas enters the alkaline washing tower 8 through the outlet of the second water cooler 71
In this embodiment, the light oil pipe 13 is provided with a second liquid level linkage control valve 131. When the oil phase level of the light oil horizontal buffer tank 72 is lower than the set value, the second liquid level interlocking control valve 131 is automatically closed, and pyrolysis gas is prevented from channeling into the light oil tank 14.
In this embodiment, the second water cooler 71 is fed with circulating cooling water (G3). The second water cooler 71 adopts the countercurrent heat exchange of the circulating cooling water, so that the heat exchange efficiency is ensured.
In this embodiment, the drain pipe 15 is provided in the light oil horizontal buffer tank 72. The water phase in the light oil horizontal buffer tank 72 is sent to the sewage treatment device through the drain pipe 15.
In this embodiment, the drain pipe 15 is provided with a third liquid level interlock control valve 151. When the water phase liquid level of the light oil horizontal buffer tank 72 is lower than a set value, the third liquid level interlocking control valve 151 is automatically closed, and pyrolysis gas is prevented from channeling into the sewage treatment device.
In this embodiment, the ceramic filter element dust collector 2 passes nitrogen (G1). When the pressure difference between the inner surface and the outer surface of the filter element of the ceramic filter element dust remover 2 is increased, the filter element group automatically shifts to a nitrogen purging stage.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. An organic hazardous waste pyrolysis gas purification system which is characterized in that: including cyclone (1), ceramic filter core dust remover (2), catalytic cracking tower (3), desulfurizing tower (4), draught fan (5), oil-gas separation device (6), oil-water separation device (7), alkaline cleaning tower (8), active carbon adsorption tower (9) and gas holder (10) that connect gradually through the pipeline, oil-gas separation device (6) are connected with heavy oil tank (12) through heavy oil pipeline (11), oil-water separation device (7) are connected with light oil tank (14) through light oil pipeline (13).
2. The organic hazardous waste pyrolysis gas purification system according to claim 1, wherein: the oil-gas separation device (6) comprises a first water cooler (61) and a heavy oil horizontal buffer tank (62), wherein the heavy oil horizontal buffer tank (62) is arranged at the bottom of the first water cooler (61), the first water cooler (61) is connected with the oil-water separation device (7) through a pipeline, and the heavy oil horizontal buffer tank (62) is connected with a heavy oil pipeline (11) and is connected with the induced draft fan (5) through a pipeline.
3. The organic hazardous waste pyrolysis gas purification system according to claim 2, wherein: the heavy oil pipeline (11) is provided with a first liquid level interlocking control valve (111).
4. The organic hazardous waste pyrolysis gas purification system according to claim 3, wherein: the first water cooler (61) is filled with circulating cooling water.
5. The organic hazardous waste pyrolysis gas purification system according to claim 4, wherein: the oil-water separation device (7) comprises a second water cooler (71) and a light oil horizontal buffer tank (72), wherein the light oil horizontal buffer tank (72) is arranged at the bottom of the second water cooler (71), the second water cooler (71) is connected with an alkaline washing tower (8) through a pipeline, and the light oil horizontal buffer tank (72) is connected with a light oil pipeline (13) and is connected with a first water cooler (61) through a pipeline.
6. The organic hazardous waste pyrolysis gas purification system according to claim 5, wherein: the light oil pipeline (13) is provided with a second liquid level interlocking control valve (131).
7. The organic hazardous waste pyrolysis gas purification system according to claim 6, wherein: the second water cooler (71) is filled with circulating cooling water.
8. The organic hazardous waste pyrolysis gas purification system according to claim 7, wherein: the light oil horizontal buffer tank (72) is provided with a drain pipe (15).
9. The organic hazardous waste pyrolysis gas purification system according to claim 8, wherein: the drain pipe (15) is provided with a third liquid level interlocking control valve (151).
10. The organic hazardous waste pyrolysis gas purification system according to any one of claims 1 to 9, wherein: the ceramic filter element dust remover (2) passes through nitrogen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917549.5A CN108728175A (en) | 2018-08-13 | 2018-08-13 | Organic dangerous waste pyrolysis gas purification system |
| CN2018212980485 | 2018-08-13 | ||
| CN2018109175495 | 2018-08-13 | ||
| CN201821298048 | 2018-08-13 |
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| CN109576001A CN109576001A (en) | 2019-04-05 |
| CN109576001B true CN109576001B (en) | 2023-08-22 |
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| CN201822253177.9U Withdrawn - After Issue CN209508172U (en) | 2018-08-13 | 2018-12-29 | Organic dangerous waste pyrolysis gas purification system |
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| CN109576001B (en) * | 2018-08-13 | 2023-08-22 | 湖南叶林环保科技有限公司 | Organic hazardous waste pyrolysis gas purifying system |
| CN109941657B (en) * | 2019-05-10 | 2024-02-27 | 湖南叶林环保科技有限公司 | Intelligent storage system for dangerous waste |
| CN115228231B (en) * | 2021-04-23 | 2024-06-14 | 中国石油化工股份有限公司 | Composite material, organic gas enrichment and coalescence device and method, organic gas recovery system and method and application thereof |
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| CN109576001A (en) | 2019-04-05 |
| CN209508172U (en) | 2019-10-18 |
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