CN110469859A - A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst - Google Patents
A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst Download PDFInfo
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- CN110469859A CN110469859A CN201910835775.3A CN201910835775A CN110469859A CN 110469859 A CN110469859 A CN 110469859A CN 201910835775 A CN201910835775 A CN 201910835775A CN 110469859 A CN110469859 A CN 110469859A
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- catalyst
- catalytic layer
- catalytic
- layer
- inactivation
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- 239000003054 catalyst Substances 0.000 title claims abstract description 63
- 239000007789 gas Substances 0.000 title claims abstract description 34
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 22
- 230000002779 inactivation Effects 0.000 title claims abstract description 21
- 239000010815 organic waste Substances 0.000 title claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 claims abstract description 74
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 11
- 239000003517 fume Substances 0.000 claims abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 17
- 239000003345 natural gas Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000012855 volatile organic compound Substances 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 5
- 230000008929 regeneration Effects 0.000 abstract description 5
- 238000011069 regeneration method Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 229910000510 noble metal Inorganic materials 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- 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
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to the organic waste gas catalytic combustion processing units that one kind can solve the of short duration inactivation of catalyst, including skeleton and heat insulation layer structure, Catalytic Layer fixed frame, heating device, airflow inlet and air stream outlet；Airflow inlet, right side are equipped on the left of the skeleton and heat insulation layer structure equipped with air stream outlet, the Catalytic Layer fixed frame, heating device are set in skeleton and heat insulation layer structure, and the heating device is for heating the catalyst on Catalytic Layer fixed frame；It is divided into upper catalytic layer and lower catalytic layer in the Catalytic Layer fixed frame, the upper catalytic layer is pre- Catalytic Layer, places pre- catalysis catalyst, and the lower catalytic layer is Catalytic Layer, places organic exhaust fume catalytic catalysts.The present invention is able to solve the problem of whole purification efficiency decline caused by catalysis burning polymerize because of VOCs with carbon distribution in use；The highly efficient regeneration to pre- Catalytic Layer is realized by thick-film heating simultaneously.
Description
Technical field
The present invention relates to a kind of catalyst protection devices, and in particular to one kind can solve the organic waste of the of short duration inactivation of catalyst
Gas is catalyzed burning processing device.
Background technique
Catalysis burning carries out flameless catalytic to VOCs exhaust gas in a lower temperature under the action of noble metal catalyst
Burning, converts organic principle to nontoxic, harmless CO2And H2O, while releasing a large amount of heat, when with Adsorption Concentration technique
In conjunction with when, can maintain catalysis burning needed for initiation temperature, so that waste gas burning process is not required to additional energy consumption (electric energy) substantially.It should
Core component noble metal catalyst higher cost in device, the service life of catalyst determine the economy of a whole set of processing unit
Property, in actual use, the VOCs exhaust gas constituents that enterprise generates are different, when there are styrene etc. easily to polymerize in exhaust gas constituents
When organic exhaust gas, the case where noble metal catalyst surface is easy to appear polymer overmold and carbon distribution, lead to the of short duration inactivation of catalyst.
The method for handling the of short duration inactivation of such catalyst at present is regenerated by high-temperature oxydation, and one side energy waste is more, another party
Face high-temperature oxydation is easy to cause the noble metal of catalyst surface to reunite, so as to cause the permanent deactivation of noble metal catalyst.
Summary of the invention
The object of the present invention is to provide one kind can solve the organic waste gas catalytic combustion processing unit of the of short duration inactivation of catalyst,
When solving catalytic combustion system processing VOCs exhaust gas, frequently encounters due to the of short duration inactivation of noble metal catalyst and lead to purification efficiency
The problem of decline.Noble metal catalyst is expensive, frequently replaces infeasible in catalyst economy；Most of enterprise's exhaust gas constituents compare
Miscellaneous, not can avoid can be by the easy polymeric material such as styrene, the problem of can not preventing the of short duration inactivation of noble metal catalyst from the root.
To achieve the above object, present invention provide the technical scheme that
A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst, including skeleton and insulating layer knot
Structure, Catalytic Layer fixed frame, heating device, airflow inlet and air stream outlet；Air-flow is equipped on the left of the skeleton and heat insulation layer structure
Import, right side are equipped with air stream outlet, and the Catalytic Layer fixed frame, heating device are set in skeleton and heat insulation layer structure, described to add
Thermal is for heating the catalyst on Catalytic Layer fixed frame；Be divided into the Catalytic Layer fixed frame upper catalytic layer and
Lower catalytic layer, the upper catalytic layer are pre- Catalytic Layer, place pre- catalysis catalyst, and the lower catalytic layer is Catalytic Layer,
Place organic exhaust fume catalytic catalysts.
Further, using thick-film heating layer as upper catalytic layer fixed plate, the thick film adds the upper catalytic layer
The side of thermosphere is fixed by grill support, the thick-film heating layer for realizing overlying catalyst quick heating.
The lower catalytic layer is using grid as lower catalytic layer fixed plate.
Natural gas-heat exchanger or electric heater unit are equipped with below the lower catalytic layer fixed plate.
Further, preheating heat exchanger, the preheating heat are additionally provided in organic waste gas catalytic combustion processing unit lower part
Exchanger is used for the gas to air stream outlet and will exchange heat between the untreated exhaust gas for entering airflow inlet.
Further, the Catalytic Layer fixed frame is equipped with temperature element.
Burner natural gas interface, pressure relief opening and the combustion of natural gas discharge outlet of the natural gas-heat exchanger pass through skeleton
And heat insulation layer structure.
Further, thick-film heating layer is arranged in the upper and lower of the upper catalytic layer simultaneously.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is able to solve whole purification efficiency caused by catalysis burning polymerize because of VOCs with carbon distribution in use
The problem of decline；The highly efficient regeneration to pre- Catalytic Layer is realized by thick-film heating simultaneously.The above measure can significantly improve catalysis
The purification efficiency and service life of burner.
Detailed description of the invention
Fig. 1: the structural representation of the organic waste gas catalytic combustion processing unit for solving the of short duration inactivation of catalyst of the invention
Figure.
Fig. 2: the side view structure of the organic waste gas catalytic combustion processing unit for solving the of short duration inactivation of catalyst of the invention
Schematic diagram.
In figure: 1- temperature element, the pre- Catalytic Layer of 2-, 3- thick-film heating layer, 4- Catalytic Layer, 5- grid, 6- natural gas heat are handed over
Parallel operation, 7- pressure relief opening, 8- preheating heat exchanger, 9- airflow inlet, 10- air stream outlet, 11- burner natural gas interface, 12- bone
Frame and heat insulation layer structure, 13- combustion of natural gas discharge outlet.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst, including skeleton and insulating layer knot
Structure 12, Catalytic Layer fixed frame, heating device, airflow inlet 9 and air stream outlet 10；It is set on the left of the skeleton and heat insulation layer structure 12
There are airflow inlet 9, right side to be equipped with air stream outlet 10, the Catalytic Layer fixed frame, heating device are set to skeleton and heat insulation layer structure
In 12, the heating device is for heating the catalyst on Catalytic Layer fixed frame；It is divided into the Catalytic Layer fixed frame
Upper catalytic layer and lower catalytic layer, the upper catalytic layer are pre- Catalytic Layer 2, place pre- catalysis catalyst, the lower layer urges
Change layer is Catalytic Layer 4, places organic exhaust fume catalytic catalysts.
Catalyst layered arrangement, pre- Catalytic Layer 2 be bullion content it is less/the more catalysis of rare earth cocatalyst content
Agent, Catalytic Layer 4 are that bullion content is more, dispersed preferable catalyst, it is described it is less, more, preferably refer to overlying catalyst
Compared with lower catalyst agent, and overlying catalyst dosage is lower than lower catalyst agent less than lower catalyst agent, volume cost.
Catalytic combustion system air-flow first passes through pre- Catalytic Layer 2 again into Catalytic Layer excessively.Easily polymerization pollutant enters catalysis burning
When device, often when effective catalytic temperature (250 DEG C) left and right has not yet been reached, i.e., it can polymerize in advance, for example styrene is raw
It is subsequent to be catalyzed polystyrene at a temperature of script can be styrene catalyzed at polystyrene, to influence subsequent catalyst
The efficiency of VOCs exhaust gas.Such arrangement overlying catalyst can play the role of protecting lower catalyst agent, and polymerization can be on upper layer
The low-temperature space of catalyst is reacted.
The upper catalytic layer using thick-film heating layer 3 be used as upper catalytic layer fixed plate, the one of the thick-film heating layer
Side by grid 5 support fix, the thick-film heating layer 3 for realizing overlying catalyst quick heating.
Thick-film heating layer 3 by thick film circuit, low-temp ceramics insulating coating, sensing layer, refractory ceramics insulating coating sintering and
At.Thick-film heating layer 3 quickly and effectively can accurately realize that overlying catalyst heats, and have that heating conduction is good, heat dissipation area is big
The high feature with security performance.
The 3 pairs of overlying catalyst high-temperature oxydation regeneration of thick-film heating layer are periodically turned on, since overlying catalyst is to lower catalyst
Agent can continue the purification efficiency for guaranteeing catalytic combustion system with effective protection.Due to the overlying catalyst amount for needing to heat
It is relatively fewer, and the relatively low high temperature resistance of overlying catalyst bullion content is good, it can significant less high-temperature oxydation regeneration
Energy consumption, realize the regeneration that precisely orients, avoid permanent deactivation caused by catalyst agglomeration.
The lower catalytic layer is used as lower catalytic layer fixed plate using grid 5.
Natural gas-heat exchanger 6 or electric heater unit are equipped with below the lower catalytic layer fixed plate.
It is additionally provided with preheating heat exchanger 8 in organic waste gas catalytic combustion processing unit lower part, the preheating heat exchanger 8 is used
It will exchange heat in the gas to air stream outlet 10 and between the untreated exhaust gas for entering airflow inlet 9.
The Catalytic Layer fixed frame is equipped with temperature element 1.
Burner natural gas interface 11, pressure relief opening 7 and the combustion of natural gas discharge outlet 13 of the natural gas-heat exchanger 6 are worn
Cross skeleton and heat insulation layer structure 12.
For exhaust gas constituents medium high carbon pollutant or easily polymerization pollutant concentration it is higher, can in pre- Catalytic Layer 2,
Down while thick-film heating layer is set.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, any ripe
Professional and technical personnel is known, without departing from the scope of the present invention, according to the technical essence of the invention, to the above reality
Any simple modifications, equivalent substitutions and improvements etc. made by example are applied, it is fallen within the scope of protection of the technical scheme of the present invention
It is interior.
Claims (8)
1. the organic waste gas catalytic combustion processing unit that one kind can solve the of short duration inactivation of catalyst, it is characterised in that: including skeleton
And heat insulation layer structure, Catalytic Layer fixed frame, heating device, airflow inlet and air stream outlet；The skeleton and heat insulation layer structure are left
Side is equipped with airflow inlet, right side is equipped with air stream outlet, and the Catalytic Layer fixed frame, heating device are set to skeleton and heat insulation layer structure
Interior, the heating device is for heating the catalyst on Catalytic Layer fixed frame；It is divided into the Catalytic Layer fixed frame
Layer Catalytic Layer and lower catalytic layer, the upper catalytic layer are pre- Catalytic Layer, place pre- catalysis catalyst, the lower catalytic layer
For Catalytic Layer, organic exhaust fume catalytic catalysts are placed.
2. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: the upper catalytic layer is using thick-film heating layer as upper catalytic layer fixed plate, the side of the thick-film heating layer
Fixed by grill support, the thick-film heating layer for realizing overlying catalyst quick heating.
3. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: the lower catalytic layer is using grid as lower catalytic layer fixed plate.
4. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: natural gas-heat exchanger or electric heater unit are equipped with below the lower catalytic layer fixed plate.
5. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: being additionally provided with preheating heat exchanger in organic waste gas catalytic combustion processing unit lower part, the preheating heat exchanger is used for
It exchange heat between gas to air stream outlet and the untreated exhaust gas that airflow inlet will be entered.
6. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: the Catalytic Layer fixed frame is equipped with temperature element.
7. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: burner natural gas interface, pressure relief opening and the combustion of natural gas discharge outlet of the natural gas-heat exchanger pass through skeleton
And heat insulation layer structure.
8. the organic waste gas catalytic combustion processing unit according to claim 1 for solving the of short duration inactivation of catalyst, special
Sign is: the upper and lower of the upper catalytic layer while thick-film heating layer is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835775.3A CN110469859A (en) | 2019-09-05 | 2019-09-05 | A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835775.3A CN110469859A (en) | 2019-09-05 | 2019-09-05 | A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst |
Publications (1)
| Publication Number | Publication Date |
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| CN110469859A true CN110469859A (en) | 2019-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835775.3A Pending CN110469859A (en) | 2019-09-05 | 2019-09-05 | A kind of organic waste gas catalytic combustion processing unit solving the of short duration inactivation of catalyst |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780140A (en) * | 2020-07-30 | 2020-10-16 | 南京大学环境规划设计研究院股份公司 | Heat accumulating type catalytic combustion device for VOCs treatment |
| CN111957203A (en) * | 2020-08-26 | 2020-11-20 | 江苏蓝创环保科技有限公司 | Waste gas catalytic oxidation device and method |
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|---|---|---|---|---|
| US5830022A (en) * | 1996-01-26 | 1998-11-03 | Yamaha Hatsudoki Kabushiki Kaisha | Catalytic exhaust system for watercraft |
| EP1541820A2 (en) * | 2003-12-11 | 2005-06-15 | Volkswagen Aktiengesellschaft | Internal combustion engine with an exhaust gas purifying apparatus and method of operation of an internal combustion engine |
| CN102188939A (en) * | 2010-03-18 | 2011-09-21 | 中国石油化工股份有限公司 | Fluidized bed recycling equipment of low-carbon catalyst and regeneration method thereof |
| CN102869431A (en) * | 2010-06-30 | 2013-01-09 | 恩亿凯嘉股份有限公司 | Flue gas-cleaning device and flue gas-cleaning method that use selective catalytic reduction catalyst |
| CN204880159U (en) * | 2015-08-03 | 2015-12-16 | 广东俐峰环保科技有限公司 | Catalystic combustion device |
| CN208519827U (en) * | 2018-06-05 | 2019-02-19 | 杭州易上环境服务有限公司 | A kind of kitchen fumes exhaust gas centralized processor |
| CN211575147U (en) * | 2019-09-05 | 2020-09-25 | 南京大学环境规划设计研究院股份公司 | Organic waste gas catalytic combustion treatment device capable of solving transient inactivation of catalyst |
-
2019
- 2019-09-05 CN CN201910835775.3A patent/CN110469859A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5830022A (en) * | 1996-01-26 | 1998-11-03 | Yamaha Hatsudoki Kabushiki Kaisha | Catalytic exhaust system for watercraft |
| EP1541820A2 (en) * | 2003-12-11 | 2005-06-15 | Volkswagen Aktiengesellschaft | Internal combustion engine with an exhaust gas purifying apparatus and method of operation of an internal combustion engine |
| CN102188939A (en) * | 2010-03-18 | 2011-09-21 | 中国石油化工股份有限公司 | Fluidized bed recycling equipment of low-carbon catalyst and regeneration method thereof |
| CN102869431A (en) * | 2010-06-30 | 2013-01-09 | 恩亿凯嘉股份有限公司 | Flue gas-cleaning device and flue gas-cleaning method that use selective catalytic reduction catalyst |
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| CN208519827U (en) * | 2018-06-05 | 2019-02-19 | 杭州易上环境服务有限公司 | A kind of kitchen fumes exhaust gas centralized processor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780140A (en) * | 2020-07-30 | 2020-10-16 | 南京大学环境规划设计研究院股份公司 | Heat accumulating type catalytic combustion device for VOCs treatment |
| CN111957203A (en) * | 2020-08-26 | 2020-11-20 | 江苏蓝创环保科技有限公司 | Waste gas catalytic oxidation device and method |
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Address after: 210000 No.1, Gezhong Road, Jiangbei new district, Nanjing City, Jiangsu Province Applicant after: Nanjing University environmental planning and Design Institute Group Co., Ltd Address before: 210000 No.1, Gezhong Road, Jiangbei new district, Nanjing City, Jiangsu Province Applicant before: ACADEMY OF ENVIRONMENTAL PLANNING & DESIGN CO., LTD. NANJING University |