CN111854328A - Treatment device for recycling organic waste gas by cryogenic process - Google Patents
Treatment device for recycling organic waste gas by cryogenic process Download PDFInfo
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- CN111854328A CN111854328A CN202010638733.3A CN202010638733A CN111854328A CN 111854328 A CN111854328 A CN 111854328A CN 202010638733 A CN202010638733 A CN 202010638733A CN 111854328 A CN111854328 A CN 111854328A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
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Abstract
The invention discloses a treatment device for recycling organic waste gas by a cryogenic process, which relates to the technical field of organic waste gas treatment and comprises an air inlet pump, an air inlet pipe, a waste gas treatment mechanism, a gasifier, a collection tank, a hot blast blower, a collection pipe and a collection pump, wherein one end of the air inlet pipe is communicated with the waste gas treatment mechanism, the air inlet pump is arranged in the middle of the air inlet pipe, two ends of the collection pipe are respectively communicated with the waste gas treatment mechanism and the collection tank, the collection pump is arranged in the middle of the collection pipe, the hot blast blower is arranged beside the waste gas treatment mechanism and is communicated with the waste gas treatment mechanism through a pipeline, the gasifier is arranged beside the waste gas treatment mechanism and is communicated with the waste gas treatment mechanism through a pipeline, and a recycling assembly is also arranged between the gasifier and the waste gas treatment mechanism and is communicated with the waste gas treatment. The invention has the advantages of low investment and low operation cost. The content of harmful substances in the discharged gas is reduced, the energy is saved, and the operation cost is effectively reduced.
Description
Technical Field
The invention relates to the technical field of organic waste gas treatment, in particular to a treatment device for recycling organic waste gas by a cryogenic process.
Background
The water pollution and the air pollution in the global range become more severe, and the frequent occurrence of haze weather in partial areas of China causes wide attention of governments and people. Organic waste gas is a common air pollution source, and the treatment technology of organic waste gas is various, including absorption method, adsorption method, direct combustion method, catalytic combustion method, adsorption + catalytic combustion method, biological method and the like.
However, the above-mentioned waste gas treatment method has disadvantages in treating organic waste gas; when the adsorption method is used, the organic waste gas contains paint slag particles, the paint slag can block the activated carbon adsorption holes or adhere to adsorption equipment, and pretreatment measures such as filtration or washing are firstly adopted to remove the slag. The active carbon adsorption method is difficult to ensure that the waste gas continuously reaches the discharge standard, because the adsorption capacity of the active carbon is lost after the active carbon is saturated, if the active carbon is not desorbed, regenerated or replaced, the active carbon adsorption equipment is just like a nominal one, and if the active carbon is periodically desorbed or replaced, the cost is greatly increased, so the excessive discharge of the organic waste gas treated by the active carbon adsorption method is more. The biological method uses microorganism for treatment, has obvious treatment effect on gases such as hydrogen sulfide, methane and the like, but has poor effect on waste gas containing volatile organic compounds such as benzene, toluene, xylene and the like, and limits the application range of the method. The combustion rule compresses the profit space of enterprises due to high investment and operation cost, and the survival pressure of the enterprises is doubled.
Disclosure of Invention
The invention aims to provide a treatment device for recycling organic waste gas by a cryogenic method, which aims to solve the technical problems of high cost and poor effect of organic waste gas treatment equipment in the prior art.
The invention provides a treatment device for recycling organic waste gas by a cryogenic process, which comprises an air inlet pump, an air inlet pipe, a waste gas treatment mechanism, a gasifier, a collecting pool, a hot blast blower, a collecting pipe and a collecting pump, wherein one end of the air inlet pipe is communicated with the waste gas treatment mechanism, the air inlet pump is arranged in the middle of the air inlet pipe, two ends of the collecting pipe are respectively communicated with the waste gas treatment mechanism and the collecting pool, the collecting pump is arranged in the middle of the collecting pipe, the hot blast blower is arranged beside the waste gas treatment mechanism and is communicated with the waste gas treatment mechanism through a pipeline, the gasifier is arranged beside the waste gas treatment mechanism and is communicated with the waste gas treatment mechanism through a pipeline, a recycling assembly is further arranged between the gasifier and the waste gas treatment mechanism, and the recycling assembly is communicated with the waste gas treatment.
Further, exhaust-gas treatment mechanism includes the exhaust-gas treatment subassembly that two intervals set up, every the exhaust-gas treatment subassembly all includes exhaust-gas treatment jar and nitrogen gas pipeline, nitrogen gas pipeline sets up in the exhaust-gas treatment jar, the outside of exhaust-gas treatment jar is equipped with nitrogen gas admission pipe and nitrogen gas discharge pipe, nitrogen gas admission pipe and nitrogen gas discharge pipe respectively with the both ends intercommunication of nitrogen gas pipeline, the lower extreme of exhaust-gas treatment jar is equipped with fluid-discharge tube and waste gas admission pipe, the one end and the collecting pipe intercommunication of fluid-discharge tube, the one end and the intake pipe intercommunication of waste gas admission pipe, the upper end of exhaust-gas treatment jar is equipped with tail gas pipe and hot-blast admission pipe, the one end and the hot-blast machine intercommunication of hot.
Further, the nitrogen inlet pipe is positioned at the upper part of the waste gas treatment tank, and the nitrogen outlet pipe is positioned at the lower part of the waste gas treatment tank.
Further, each inside of exhaust-gas treatment jar all is equipped with the support bracket, be equipped with a plurality of adsorption net board on the support bracket.
Further, all the adsorption net plates are vertically arranged.
Further, retrieve the subassembly and include circulation house steward, retrieve shell, two circulating pipes and two recovery tubes, two circulating pipes communicate with the nitrogen gas discharge pipe in two exhaust-gas treatment subassemblies respectively, the other end of two circulating pipes all communicates with the one end of circulation house steward, the other end and the vaporizer intercommunication of circulation house steward, it establishes in the outside of circulation house steward to retrieve the shell cover, two the one end of recovery tube communicates with the lower part of two exhaust-gas treatment jars respectively, two the other end of recovery tube all with retrieve shell fixed connection, the upper end of retrieving the shell is equipped with the outlet duct.
Furthermore, all the waste gas inlet pipe, the tail gas pipe, the nitrogen inlet pipe, the nitrogen discharge pipe, the recovery pipe, the liquid discharge pipe and the hot gas inlet pipe are provided with control valves.
Furthermore, a chimney is arranged beside the waste gas treatment mechanism, and the gasifier and all tail gas pipes are communicated with the chimney.
Compared with the prior art, the invention has the beneficial effects that:
when the waste gas treatment device is used, the organic waste gas is conveyed into the waste gas treatment mechanism through the working of the air inlet pump and the air inlet pipe, meanwhile, the deep cooling nitrogen is conveyed into the waste gas treatment device, the deep cooling nitrogen exchanges heat with the organic waste gas, when the temperature of the organic waste gas is reduced to be below a freezing point, the organic waste is formed and attached in the waste gas treatment mechanism, the deep cooling nitrogen after heat exchange is discharged from the air outlet, after heat exchange, the hot air blower is started to blow hot air into the waste gas treatment device, the organic waste is heated to be above the melting point and flows into the collecting tank, and then the organic waste is burnt as fuel, compared with the prior art, the waste gas treatment device has the following advantages: 1. the investment is low and the operation cost is low. 2. The content of harmful substances in the discharged gas is reduced, and the effect of reaching the emission standard is achieved. 3. The mode of combining direct combustion can burn the material that gets off of condensing without other fuel, and the energy saving effectively reduces the running cost.
Secondly, when the waste gas treatment device works, waste gas deep cooling solidification work is carried out in one waste gas treatment tank, hot air melting work is carried out in the other waste gas treatment tank, at the moment, nitrogen gas after heat exchange in the first waste gas treatment tank is discharged from the nitrogen gas discharge pipe and enters the gasifier along the circulating pipe and the circulating main pipe, the gasifier is arranged for gasifying liquid nitrogen in the nitrogen gas and preventing influence on conveying of the nitrogen gas, and through the fact that hot air tail gas in the second waste gas treatment tank enters the recycling pipe and then enters the recycling shell to carry out heat exchange on the discharged nitrogen gas, the temperature of the nitrogen gas is improved, energy consumption of a follow-up gasifier during nitrogen gas treatment can be reduced, and the effects of energy conservation, environmental protection and cost reduction are achieved.
Thirdly, the adsorption screen plates are arranged to increase the attachment area of the organic matter during solidification, so that the solidification efficiency of the organic matter can be improved, and the vertical arrangement of the adsorption screen plates enables airflow to be in contact with the side surface of each adsorption screen plate when a hot air blower introduces hot airflow into the waste gas treatment tank, so that the melting efficiency of the solid organic matter is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a partial top view of the present invention;
fig. 4 is a cross-sectional view taken along line a-a of fig. 3.
Reference numerals:
the device comprises an air inlet pump 1, an air inlet pipe 2, a waste gas treatment mechanism 3, a waste gas treatment component 31, a waste gas treatment tank 311, a nitrogen pipeline 312, a nitrogen inlet pipe 313, a nitrogen outlet pipe 314, a liquid discharge pipe 315, a waste gas inlet pipe 316, a tail gas pipe 317, a hot air inlet pipe 318, a gasifier 4, a collection pool 5, a hot air blower 6, a collection pipe 7, a collection pump 8, a recovery component 9, a circulation header pipe 91, a recovery shell 92, a circulation pipe 93, a recovery pipe 94, an air outlet pipe 95, a support bracket 10, an adsorption screen plate 11, a control valve 12 and a chimney 13.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides a cryogenic organic waste gas recovery processing device, which is shown in fig. 1 to 4, and comprises an air inlet pump 1, an air inlet pipe 2, a waste gas processing mechanism 3, a gasifier 4, a collecting tank 5, a hot blast blower 6, a collecting pipe 7 and a collecting pump 8, wherein one end of the air inlet pipe 2 is communicated with the waste gas processing mechanism 3, the air inlet pump 1 is arranged in the middle of the air inlet pipe 2, two ends of the collecting pipe 7 are respectively communicated with the waste gas processing mechanism 3 and the collecting tank 5, the collecting pump 8 is arranged in the middle of the collecting pipe 7, the hot blast blower 6 is arranged beside the waste gas processing mechanism 3 and is communicated with the waste gas processing mechanism 3 through a pipeline, the gasifier 4 is arranged beside the waste gas processing mechanism 3 and is communicated with the waste gas processing mechanism 3 through a pipeline, a recovery assembly 9 is further arranged between the gasifier 4 and the waste gas processing mechanism 3, the recovery assembly 9 is communicated with the waste gas treatment mechanism 3 through a pipeline; the invention has the advantages of low investment and low operation cost. 2. The content of harmful substances in the discharged gas is reduced, and the effect of reaching the emission standard is achieved. 3. The mode of combining direct combustion can burn the material that gets off of condensing without other fuel, and the energy saving effectively reduces the running cost.
The working principle of the invention is as follows: when the organic waste gas treatment device is used, the air inlet pump 1 and the air inlet pipe 2 work to convey organic waste gas to the waste gas treatment mechanism 3, meanwhile, cryogenic nitrogen is conveyed to the waste gas treatment device, the cryogenic nitrogen exchanges heat with the organic waste gas, when the temperature of the organic waste gas is reduced to be below a freezing point, organic waste is formed and attached to the waste gas treatment mechanism 3, the cryogenic nitrogen after heat exchange is discharged from an air outlet, after heat exchange, the hot air blower 6 is started to blow hot air into the waste gas treatment device, the organic waste is heated to be above the melting point and flows into the collecting tank 5, and then the organic waste is burnt as fuel.
Specifically, the exhaust gas treatment mechanism 3 includes two exhaust gas treatment components 31 arranged at intervals, each exhaust gas treatment component 31 includes an exhaust gas treatment tank 311 and a nitrogen pipeline 312, the nitrogen pipeline 312 is arranged in the exhaust gas treatment tank 311, a nitrogen inlet pipe 313 and a nitrogen outlet pipe 314 are arranged outside the exhaust gas treatment tank 311, the nitrogen inlet pipe 313 and the nitrogen outlet pipe 314 are respectively communicated with two ends of the nitrogen pipeline 312, a liquid outlet pipe 315 and an exhaust gas inlet pipe 316 are arranged at the lower end of the exhaust gas treatment tank 311, one end of the liquid outlet pipe 315 is communicated with the collecting pipe 7, one end of the exhaust gas inlet pipe 316 is communicated with the air inlet pipe 2, a tail gas pipe 317 and a hot air inlet pipe 318 are arranged at the upper end of the exhaust gas treatment tank 311, and one end of the hot air inlet pipe 318 is communicated with the hot air blower 6; according to the invention, two waste gas treatment components 31 are arranged, and through the alternative work of the two waste gas treatment components 31, the treatment of organic waste gas can be continuously carried out, the treatment efficiency is improved, and the operation cost is reduced, wherein, the deep cooling nitrogen is conveyed into the nitrogen pipeline 312 through the nitrogen inlet pipe 313 and is conveyed out through the discharge pipe of the deep cooling nitrogen, wherein, the organic waste gas enters the waste gas treatment tank 311 from the waste gas inlet pipe 316 and exchanges heat with the deep cooling nitrogen, so that the temperature of the organic waste gas is reduced, when the temperature of the organic waste gas is reduced to be below the freezing point, the organic waste is formed and is attached to the waste gas treatment tank 311, and the organic matter and the waste gas.
Specifically, the nitrogen inlet pipe 313 is located on the upper portion of the exhaust gas treatment tank 311, the nitrogen outlet pipe 314 is located on the lower portion of the exhaust gas treatment tank 311, and thus nitrogen is conveyed downwards, and organic waste gas moves upwards from the lower portion of the exhaust gas treatment tank 311, so that when in contact, the temperature encountered by the uppermost organic waste gas is lower and lower, and then continuously solidifies, and the treatment effect can be ensured.
Specifically, a support bracket 10 is arranged inside each waste gas treatment tank 311, and a plurality of adsorption screen plates 11 are arranged on the support bracket 10; the adsorption screen plate 11 is provided to increase the attachment area when the organic matter is solidified, and can improve the solidification efficiency of the organic matter.
Specifically, all the adsorption net plates 11 are vertically arranged; the arrangement is such that when the hot air blower 6 blows hot air into the waste gas treatment tank 311, the air flow can contact with the side surface of each adsorption screen plate 11, thereby improving the melting efficiency of the solid organic matter.
Specifically, the recycling assembly 9 includes a recycling header pipe 91, a recycling shell 92, two recycling pipes 93 and two recycling pipes 94, the two recycling pipes 93 are respectively communicated with the nitrogen gas discharge pipes 314 in the two waste gas treatment assemblies 31, the other ends of the two recycling pipes 93 are both communicated with one end of the recycling header pipe 91, the other end of the recycling header pipe 91 is communicated with the gasifier 4, the recycling shell 92 is sleeved outside the recycling header pipe 91, one ends of the two recycling pipes 94 are respectively communicated with the lower parts of the two waste gas treatment tanks 311, the other ends of the two recycling pipes 94 are both fixedly connected with the recycling shell 92, and an air outlet pipe 95 is arranged at the upper end of the recycling shell 92; during operation, the waste gas deep cooling solidification operation is performed in one of the waste gas treatment tanks 311, the hot air melting operation is performed in the other waste gas treatment tank 311, at the moment, the nitrogen gas subjected to heat exchange in the first waste gas treatment tank 311 is discharged from the nitrogen gas discharge pipe 314 and enters the gasifier 4 along the circulating pipe 93 and the circulating header pipe 91, the gasifier 4 is arranged to gasify liquid nitrogen in the nitrogen gas and prevent influence on the conveying of the nitrogen gas, and through the hot air tail gas in the second waste gas treatment tank 311 enters the recovery pipe 94 and then enters the recovery shell 92 to perform heat exchange on the discharged nitrogen gas, the temperature of the nitrogen gas is increased, the energy consumption of the follow-up gasifier 4 during nitrogen gas treatment can be reduced, and the effects of energy conservation, environmental protection and cost reduction are achieved.
Specifically, all the waste gas inlet pipe 316, the tail gas pipe 317, the nitrogen gas inlet pipe 313, the nitrogen gas outlet pipe 314, the recovery pipe 94, the drain pipe 315 and the hot gas inlet pipe are provided with control valves 12, the control valves 12 are used for controlling the communication of the pipelines, so as to realize the alternate operation of the two waste gas treatment tanks 311, and the specific installation positions are shown in fig. 1 and fig. 2.
Specifically, a chimney 13 is arranged beside the waste gas treatment mechanism 3, and the gas outlet pipe 95 and all the tail gas pipes 317 are communicated with the chimney 13.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a deep cooling method retrieves organic waste gas processing apparatus which characterized in that: comprises an air inlet pump (1), an air inlet pipe (2), a waste gas treatment mechanism (3), a gasifier (4), a collecting tank (5), a hot blast blower (6), a collecting pipe (7) and a collecting pump (8), wherein one end of the air inlet pipe (2) is communicated with the waste gas treatment mechanism (3), the air inlet pump (1) is arranged in the middle of the air inlet pipe (2), two ends of the collecting pipe (7) are respectively communicated with the waste gas treatment mechanism (3) and the collecting tank (5), the collecting pump (8) is arranged in the middle of the collecting pipe (7), the hot blast blower (6) is arranged at the side of the waste gas treatment mechanism (3) and is communicated with the waste gas treatment mechanism (3) through a pipeline, the gasifier (4) is arranged at the side of the waste gas treatment mechanism (3) and is communicated with the waste gas treatment mechanism (3) through a pipeline, a recovery assembly (9) is also arranged between the gasifier (4) and the waste gas treatment mechanism (3), the recovery assembly (9) is communicated with the waste gas treatment mechanism (3) through a pipeline.
2. The cryogenic recovery organic waste gas treatment device according to claim 1, characterized in that: the waste gas treatment mechanism (3) comprises two waste gas treatment components (31) arranged at intervals, each waste gas treatment component (31) comprises a waste gas treatment tank (311) and a nitrogen pipeline (312), the nitrogen pipeline (312) is arranged in the waste gas treatment tank (311), a nitrogen inlet pipe (313) and a nitrogen outlet pipe (314) are arranged outside the waste gas treatment tank (311), the nitrogen inlet pipe (313) and the nitrogen outlet pipe (314) are respectively communicated with two ends of the nitrogen pipeline (312), a liquid discharge pipe (315) and a waste gas inlet pipe (316) are arranged at the lower end of the waste gas treatment tank (311), one end of the liquid discharge pipe (315) is communicated with a collecting pipe (7), one end of the waste gas inlet pipe (316) is communicated with an air inlet pipe (2), a tail gas pipe (317) and a hot air inlet pipe (318) are arranged at the upper end of the waste gas treatment tank (311), one end of the hot air inlet pipe (318) is communicated with the hot air blower (6).
3. The cryogenic recovery organic waste gas treatment device according to claim 2, characterized in that: the nitrogen inlet pipe (313) is positioned at the upper part of the waste gas treatment tank (311), and the nitrogen outlet pipe (314) is positioned at the lower part of the waste gas treatment tank (311).
4. The cryogenic recovery organic waste gas treatment device according to claim 2, characterized in that: each waste gas treatment tank (311) is internally provided with a support bracket (10), and the support bracket (10) is provided with a plurality of adsorption screen plates (11).
5. The cryogenic recovery organic waste gas treatment device according to claim 4, characterized in that: all the adsorption net plates (11) are vertically arranged.
6. The cryogenic recovery organic waste gas treatment device according to claim 2, characterized in that: retrieve subassembly (9) including circulation house steward (91), retrieve shell (92), two circulating pipes (93) and two recovery tubes (94), two circulating pipes (93) communicate with nitrogen gas discharge pipe (314) in two exhaust-gas treatment subassemblies (31) respectively, the other end of two circulating pipes (93) all communicates with the one end of circulation house steward (91), the other end and vaporizer (4) intercommunication of circulation house steward (91), retrieve the outside at circulation house steward (91) is established to shell (92) cover, two the one end of recovery tube (94) communicates with the lower part of two exhaust-gas treatment jars (311) respectively, two the other end of recovery tube (94) all with retrieve shell (92) fixed connection, the upper end of retrieving shell (92) is equipped with outlet duct (95).
7. The cryogenic recovery organic waste gas treatment device according to claim 6, characterized in that: all the waste gas inlet pipe (316), the tail gas pipe (317), the nitrogen inlet pipe (313), the nitrogen exhaust pipe (314), the recovery pipe (94), the liquid discharge pipe (315) and the hot gas inlet pipe are provided with control valves (12).
8. The cryogenic recovery organic waste gas treatment device according to claim 6, characterized in that: a chimney (13) is arranged beside the waste gas treatment mechanism (3), and the gasifier (4) and all tail gas pipes (317) are communicated with the chimney (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010638733.3A CN111854328A (en) | 2020-07-06 | 2020-07-06 | Treatment device for recycling organic waste gas by cryogenic process |
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| CN202010638733.3A CN111854328A (en) | 2020-07-06 | 2020-07-06 | Treatment device for recycling organic waste gas by cryogenic process |
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Citations (6)
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| CN1146545A (en) * | 1995-06-15 | 1997-04-02 | 乔治·克劳德方法的研究开发空气股份有限公司 | Equipment for production of carbon monooxide with deep cooling separation device |
| US20110000258A1 (en) * | 2008-06-23 | 2011-01-06 | Prinotec Gmbh | Apparatus for solvent recovery |
| CN105688625A (en) * | 2014-11-28 | 2016-06-22 | 湖南中冶长天节能环保技术有限公司 | A flue gas desulphurization denitration method adopting ammonia-containing wastewater for flue gas temperature control and a device therefor |
| CN105709559A (en) * | 2016-04-11 | 2016-06-29 | 惠州市盛和化工有限公司 | Volatile organic waste gas treatment process and treatment equipment used in treatment process |
| CN207102240U (en) * | 2017-08-11 | 2018-03-16 | 河北先河正源环境治理技术有限公司 | VOCs waste gas recovery processing units |
| CN109847399A (en) * | 2019-04-11 | 2019-06-07 | 代金霞 | A kind of volatile materials condensation recycling method and device to be run without interruption using gas self heat defrosting |
-
2020
- 2020-07-06 CN CN202010638733.3A patent/CN111854328A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146545A (en) * | 1995-06-15 | 1997-04-02 | 乔治·克劳德方法的研究开发空气股份有限公司 | Equipment for production of carbon monooxide with deep cooling separation device |
| US20110000258A1 (en) * | 2008-06-23 | 2011-01-06 | Prinotec Gmbh | Apparatus for solvent recovery |
| CN105688625A (en) * | 2014-11-28 | 2016-06-22 | 湖南中冶长天节能环保技术有限公司 | A flue gas desulphurization denitration method adopting ammonia-containing wastewater for flue gas temperature control and a device therefor |
| CN105709559A (en) * | 2016-04-11 | 2016-06-29 | 惠州市盛和化工有限公司 | Volatile organic waste gas treatment process and treatment equipment used in treatment process |
| CN207102240U (en) * | 2017-08-11 | 2018-03-16 | 河北先河正源环境治理技术有限公司 | VOCs waste gas recovery processing units |
| CN109847399A (en) * | 2019-04-11 | 2019-06-07 | 代金霞 | A kind of volatile materials condensation recycling method and device to be run without interruption using gas self heat defrosting |
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Application publication date: 20201030 |