CN212167053U - Processing system for spraying organic waste gas - Google Patents
Processing system for spraying organic waste gas Download PDFInfo
- Publication number
- CN212167053U CN212167053U CN202020137186.6U CN202020137186U CN212167053U CN 212167053 U CN212167053 U CN 212167053U CN 202020137186 U CN202020137186 U CN 202020137186U CN 212167053 U CN212167053 U CN 212167053U
- Authority
- CN
- China
- Prior art keywords
- desorption
- flow channel
- preheating
- heat exchanger
- molecular sieve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007789 gas Substances 0.000 title claims abstract description 41
- 239000010815 organic waste Substances 0.000 title claims abstract description 17
- 238000005507 spraying Methods 0.000 title claims abstract description 14
- 238000003795 desorption Methods 0.000 claims abstract description 68
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 40
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002808 molecular sieve Substances 0.000 claims abstract description 40
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010457 zeolite Substances 0.000 claims abstract description 40
- 230000003197 catalytic effect Effects 0.000 claims abstract description 30
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000002912 waste gas Substances 0.000 claims description 16
- 239000002699 waste material Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Abstract
The utility model relates to a processing system for spraying organic waste gas, which comprises a multistage filtering unit, a zeolite molecular sieve rotating wheel, a desorption heat exchanger, a preheating heat exchanger and a heating catalytic oxidation unit; the multi-stage filtering unit is communicated with an adsorption area A and a discharge chimney of the zeolite molecular sieve rotating wheel in sequence, the multi-stage filtering unit, a cooling area B of the zeolite molecular sieve rotating wheel, a desorption cold flow channel of the desorption heat exchanger, a desorption area C of the zeolite molecular sieve rotating wheel, a preheating cold flow channel of the preheating heat exchanger and the heating catalytic oxidation unit are communicated in sequence, and the heating catalytic oxidation unit is communicated with a desorption warm flow channel of the desorption heat exchanger, a preheating warm flow channel of the preheating heat exchanger and the discharge chimney in sequence. The utility model discloses a processing system of spraying organic waste gas utilizes the preheating of handling back gas to provide partial heat for entire system, has cancelled auxiliary heater, plays energy-conserving effect.
Description
Technical Field
The utility model belongs to the exhaust-gas treatment equipment field, in particular to spraying organic waste gas's processing system.
Background
The spraying organic waste gas has large air volume (about 60000 m)3H), low concentration (about 1000 mg/m)3) And the waste gas has the characteristics of complex components, no recovery value and the like, and aiming at the characteristics, a treatment process combining zeolite molecular sieve rotary wheel adsorption concentration and catalytic oxidation is usually adopted in a treatment mode, so that the requirements of 'emission control standards of volatile organic compounds of industrial enterprises' can be met, and heat is recycled.
In the treatment process combining adsorption concentration and catalytic oxidation of the zeolite molecular sieve rotating wheel, the temperature of gas entering a desorption area of the zeolite rotating wheel is infinitely close to 200 ℃, and the desorption effect of the rotating wheel can be ensured. Then most of treatment systems do not accurately control the temperature, which often results in energy waste or insufficient gas desorption, and the treatment effect does not reach the standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, the utility model provides a processing system of spraying organic waste gas.
A processing system for spraying organic waste gas comprises a multistage filtering unit, a zeolite molecular sieve rotating wheel, a desorption heat exchanger, a preheating heat exchanger and a heating catalytic oxidation unit; the multistage filtering unit is communicated with an adsorption area A of the zeolite molecular sieve rotating wheel and a discharge chimney in sequence, so that part of the gas to be treated is absorbed and removed from waste in the adsorption area and is discharged through the discharge chimney; the multistage filtering unit, the cooling zone B of the zeolite molecular sieve rotating wheel, the desorption cold flow channel of the desorption heat exchanger, the desorption zone C of the zeolite molecular sieve rotating wheel, the preheating cold flow channel of the preheating heat exchanger and the heating catalytic oxidation unit are sequentially communicated, so that the other part of the gas to be treated is heated in the cooling zone B, is converged with the waste gas generated by desorption in the desorption zone C, is then sequentially heated through the desorption cold flow channel and the preheating cold flow channel, and finally enters the heating catalytic oxidation unit to be heated and catalytically oxidized to remove waste; the heating catalytic oxidation unit is communicated with the desorption warm flow channel of the desorption heat exchanger, the preheating warm flow channel of the preheating heat exchanger and the discharge chimney in sequence, so that the waste-removed gas is cooled through heat exchange through the desorption warm flow channel and the preheating warm flow channel in sequence and then is discharged.
And a cold air through passage is also arranged between the cooling area of the zeolite molecular sieve rotating wheel and the desorption area of the zeolite molecular sieve rotating wheel, control ball valves are arranged on the cold air passage and a communication passage between the cooling area of the zeolite molecular sieve rotating wheel and a preheating cold flow channel of the preheating heat exchanger, and the two control ball valves jointly control the proportion of cold air and hot air entering the desorption area.
The multistage filtering unit is also communicated with an adsorption zone of the zeolite molecular sieve rotating wheel and a discharge chimney in sequence, so that the gas to be treated is adsorbed in the adsorption zone to remove waste, and is discharged through the discharge chimney.
Wherein, a fan is arranged between the desorption area of the zeolite molecular sieve rotating wheel and the preheating cold flow channel of the preheating heat exchanger for flow guide.
Wherein, a fan is arranged between the adsorption area of the zeolite molecular sieve rotating wheel and the discharge chimney for drainage.
The heating catalytic oxidation unit comprises a hot blast stove and a catalytic oxidation furnace which are communicated with each other, the hot blast stove is communicated with the preheating cold flow channel, the catalytic oxidation furnace is communicated with the desorption warm flow channel, and the catalytic oxidation furnace contains an auxiliary agent for catalyzing organic waste gas.
The processing system also comprises a controller, and the two control ball valves control the opening ratio through the controller.
Wherein, the multistage filter unit is the tertiary filter.
The utility model discloses a processing system of spraying organic waste gas utilizes the preheating of handling back gas to provide partial heat for entire system, has cancelled auxiliary heater, plays energy-conserving effect. In addition, two control valves are arranged to adjust the air volume entering the desorption heat exchanger, so that the temperature of the gas entering the desorption area is kept constant at 200 ℃, and the desorption reaches the highest efficiency.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a schematic diagram of a treatment system for organic waste gas spraying according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, a treatment system for spraying organic waste gas comprises a multistage filtering unit 1, a zeolite molecular sieve rotating wheel 2, a desorption heat exchanger 3, a preheating heat exchanger 4 and a heating catalytic oxidation unit 5; the multistage filtering unit 1 is communicated with an adsorption area A of the zeolite molecular sieve rotating wheel 2 and a discharge chimney in sequence, so that part of gas to be treated is adsorbed in the adsorption area A to remove waste, and is discharged through the discharge chimney; the multistage filtering unit 1, the cooling zone B of the zeolite molecular sieve rotating wheel 2, the desorption cold flow channel of the desorption heat exchanger 3, the desorption zone C of the zeolite molecular sieve rotating wheel 2, the preheating cold flow channel of the preheating heat exchanger 4 and the heating catalytic oxidation unit 5 are sequentially communicated, so that the other part of the gas to be treated is heated in the cooling zone B, is converged with the desorption gas in the desorption zone C, is then sequentially heated in the desorption cold flow channel and the preheating cold flow channel, and enters the heating catalytic oxidation unit 5 to be heated, catalyzed, oxidized and waste-removed; the heating catalytic oxidation unit 5 is communicated with the desorption warm flow channel of the desorption heat exchanger 3, the preheating warm flow channel of the preheating heat exchanger 4 and the discharge chimney in sequence, so that the waste-removed gas is cooled through heat exchange through the desorption warm flow channel and the preheating warm flow channel in sequence and then is discharged.
During treatment, as shown by an arrow in fig. 1, spraying organic waste gas firstly passes through the multistage filtering unit 1 to remove dust particles in the waste gas, then most of the waste gas enters the adsorption area a of the zeolite molecular sieve rotating wheel 2, and organic pollutants in the waste gas are adsorbed and purified by the molecular sieve and then are discharged by the adsorption fan after reaching the standard. And the molecular sieve after saturated adsorption enters a desorption area for desorption, enters a cooling area B for cooling after the desorption is finished, and then returns to the adsorption area A for reuse. The method comprises the following steps that a small part of waste gas treated by a multistage filtering unit 1 firstly enters a cooling area B to cool a desorbed zeolite molecular sieve, the temperature of the waste gas is increased from T1 to T2, the waste gas is heated to T3 through a desorption heat exchanger and then enters a desorption area C of a zeolite molecular sieve rotating wheel 2 for desorption, the desorbed gas is cooled to T4, then the gas is sent to a preheating heat exchanger by a desorption fan to be heated to T5, then the gas is heated to T6 through a hot air furnace and then enters a catalytic furnace, organic matters in the waste gas are subjected to oxidative decomposition under the action of a catalyst, the waste gas is purified, meanwhile, the gas is heated to T7 through the oxidative release heat of the organic matters, then the waste gas is cooled to T8 through the desorption heat exchanger, the waste gas is cooled to T9 through.
Wherein, a cold air direct passage is also arranged between the cooling area of the zeolite molecular sieve rotating wheel 2 and the desorption area of the zeolite molecular sieve rotating wheel 2, control ball valves are respectively arranged on the cold air direct passage and a communication passage between the cooling area of the zeolite molecular sieve rotating wheel 2 and the preheating cold flow channel of the preheating heat exchanger 4, and the two control ball valves jointly control the proportion of cold air and hot air entering the desorption area. The processing system also comprises a controller, and the two control ball valves control the opening ratio through the controller.
The waste gas that comes out from the cooling zone partly directly gets into desorption district through the control ball valve, and partly heats up through desorption heat exchanger's cold flow passageway, then gets into desorption district, controls opening size of two control ball valves through the controller, can control the proportion of two parts gas to the control finally gets into the temperature of desorption district gas at 200 ℃, and then the desorption efficiency in desorption district is the highest.
A fan is arranged between the desorption area of the zeolite molecular sieve rotating wheel 2 and the preheating cold flow channel of the preheating heat exchanger 4 for flow guide. A fan is arranged between the adsorption area of the zeolite molecular sieve rotating wheel 2 and the discharge chimney for drainage. The setting of drainage fan can be that organic waste gas flows in and flows out according to established flow direction.
The heating catalytic oxidation unit 5 comprises a hot blast stove and a catalytic oxidation furnace which are communicated with each other, the hot blast stove is communicated with a preheating cold flow channel, the catalytic oxidation furnace is communicated with a desorption warm flow channel, and the catalytic oxidation furnace contains an auxiliary agent for catalyzing organic waste gas.
The multistage filtering unit 1 is a three-stage filter. Because the spraying waste gas contains solid particles such as paint mist, dust and the like, and the zeolite molecular sieve has strict requirements on the content and the particle size of the particles in the waste gas, a filter, namely a paint mist filter and a medium-high efficiency filter, is arranged in front of the zeolite rotating wheel. The filter unit material adopts three-stage medium-high efficiency filter, and the dust purification rate of more than 0.5um in the gas is not less than 99%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The treatment system for spraying organic waste gas is characterized by comprising a multistage filtering unit (1), a zeolite molecular sieve rotating wheel (2), a desorption heat exchanger (3), a preheating heat exchanger (4) and a heating catalytic oxidation unit (5);
the multistage filtering unit (1) is communicated with an adsorption zone A and a discharge chimney of the zeolite molecular sieve rotating wheel (2) in sequence, so that part of gas to be treated is absorbed and removed in the adsorption zone A and is discharged through the discharge chimney; the multistage filtering unit (1), the cooling zone B of the zeolite molecular sieve rotating wheel (2), the desorption cold flow channel of the desorption heat exchanger (3), the desorption zone C of the zeolite molecular sieve rotating wheel (2), the preheating cold flow channel of the preheating heat exchanger (4) and the heating catalytic oxidation unit (5) are communicated in sequence, so that the other part of the gas to be treated is heated in the cooling zone B, is converged with the waste gas generated by desorption in the desorption zone C, is heated in sequence through the desorption cold flow channel and the preheating cold flow channel, and finally enters the heating catalytic oxidation unit (5) to be heated, catalytically oxidized and waste removed; the heating catalytic oxidation unit (5) is communicated with the desorption warm flow channel of the desorption heat exchanger (3), the preheating warm flow channel of the preheating heat exchanger (4) and the discharge chimney in sequence, so that the waste-removed gas sequentially passes through the desorption warm flow channel and the preheating warm flow channel, is cooled through heat exchange, and is then discharged.
2. The processing system of claim 1,
and a cold air direct passage is also arranged between the cooling area of the zeolite molecular sieve rotating wheel (2) and the desorption area of the zeolite molecular sieve rotating wheel (2), control ball valves are arranged on communication passages between the cold air direct passage and the cooling area of the zeolite molecular sieve rotating wheel (2) and the preheating cold flow channel of the preheating heat exchanger (4), and the two control ball valves jointly control the proportion of cold air and hot air entering the desorption area.
3. The processing system of claim 1,
and a fan for drainage is arranged between the desorption area of the zeolite molecular sieve rotating wheel (2) and the preheating cold flow channel of the preheating heat exchanger (4).
4. The processing system of claim 1,
and a fan for drainage is arranged between the adsorption area of the zeolite molecular sieve rotating wheel (2) and the discharge chimney.
5. The processing system of claim 1,
the heating catalytic oxidation unit (5) comprises a hot blast stove and a catalytic oxidation furnace which are communicated with each other, the hot blast stove is communicated with the preheating cold flow channel, the catalytic oxidation furnace is communicated with the desorption warm flow channel, and the catalytic oxidation furnace contains an auxiliary agent for catalyzing organic waste gas.
6. The processing system of claim 2,
the processing system also comprises a controller, and the two control ball valves control the opening ratio through the controller.
7. The processing system of claim 1,
the multistage filtering unit (1) is a three-stage filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137186.6U CN212167053U (en) | 2020-01-21 | 2020-01-21 | Processing system for spraying organic waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137186.6U CN212167053U (en) | 2020-01-21 | 2020-01-21 | Processing system for spraying organic waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212167053U true CN212167053U (en) | 2020-12-18 |
Family
ID=73773410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020137186.6U Active CN212167053U (en) | 2020-01-21 | 2020-01-21 | Processing system for spraying organic waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212167053U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588113A (en) * | 2021-03-04 | 2021-04-02 | 山东蓝驰环境科技股份有限公司 | VOCs waste gas treatment equipment based on catalytic oxidation technology |
| CN112963848A (en) * | 2021-03-11 | 2021-06-15 | 江苏国鹰环境科技有限公司 | Treatment method and equipment for organic waste gas |
| CN112999827A (en) * | 2021-03-13 | 2021-06-22 | 南方环境有限公司 | A movable clarification plant that is used for boats and ships trade VOCs unorganized emission to administer |
| CN113521964A (en) * | 2021-08-25 | 2021-10-22 | 鼎信阳光环境技术有限公司 | Be applicable to water based paint spray booth winter constant temperature waste gas treatment device |
| CN114191936A (en) * | 2021-11-24 | 2022-03-18 | 江苏大信环境科技有限公司 | Comprehensive system for treating low-concentration waste gas by using RTO (regenerative thermal oxidizer) |
| CN115318063A (en) * | 2022-06-07 | 2022-11-11 | 中国船舶重工集团公司第七一一研究所 | VOCs treatment device and treatment method thereof |
| CN116764384A (en) * | 2023-06-13 | 2023-09-19 | 南京德厚环境科技有限公司 | Zeolite molecular sieve rotary wheel device capable of multistage treating waste gas and its method |
-
2020
- 2020-01-21 CN CN202020137186.6U patent/CN212167053U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588113A (en) * | 2021-03-04 | 2021-04-02 | 山东蓝驰环境科技股份有限公司 | VOCs waste gas treatment equipment based on catalytic oxidation technology |
| CN112963848A (en) * | 2021-03-11 | 2021-06-15 | 江苏国鹰环境科技有限公司 | Treatment method and equipment for organic waste gas |
| CN112999827A (en) * | 2021-03-13 | 2021-06-22 | 南方环境有限公司 | A movable clarification plant that is used for boats and ships trade VOCs unorganized emission to administer |
| CN113521964A (en) * | 2021-08-25 | 2021-10-22 | 鼎信阳光环境技术有限公司 | Be applicable to water based paint spray booth winter constant temperature waste gas treatment device |
| CN114191936A (en) * | 2021-11-24 | 2022-03-18 | 江苏大信环境科技有限公司 | Comprehensive system for treating low-concentration waste gas by using RTO (regenerative thermal oxidizer) |
| CN115318063A (en) * | 2022-06-07 | 2022-11-11 | 中国船舶重工集团公司第七一一研究所 | VOCs treatment device and treatment method thereof |
| CN116764384A (en) * | 2023-06-13 | 2023-09-19 | 南京德厚环境科技有限公司 | Zeolite molecular sieve rotary wheel device capable of multistage treating waste gas and its method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212167053U (en) | Processing system for spraying organic waste gas | |
| CN111249857B (en) | VOC exhaust-gas treatment purifier and have its baking finish room | |
| CN211084096U (en) | System for treating high-boiling-point organic waste gas by zeolite rotary wheel adsorption-catalytic combustion | |
| CN206073094U (en) | A kind of VOC waste gas total system | |
| CN204952595U (en) | Wet coating exhaust recycling treatment system | |
| CN105749695A (en) | Low concentration, large wind volume and high odor waste gas concentration energization equipment and technology thereof | |
| CN205760438U (en) | A kind of activated carbon adsorption concentration for processing VOCs and the integrating device of regenerative thermal oxidizer | |
| CN108079738B (en) | Energy-saving environment-friendly circulating type waste gas treatment method applied to paint spraying and baking process | |
| KR102254518B1 (en) | Modularized VOCs removal system using adsorption rotor, oxidation catalyst, heat exchanger | |
| CN105536428A (en) | Organic waste gas purification system and purification method | |
| CN104096478B (en) | The self contained green denitrating system of iron and steel enterprise and technique | |
| CN212881731U (en) | Integrated organic waste gas treatment system for coupling molecular sieve adsorption and catalytic combustion | |
| CN113426243A (en) | Little amount of wind zeolite adsorption bed organic waste gas processing system | |
| CN110180324B (en) | Air purifying device and purifying method | |
| CN208526198U (en) | A kind of 4 S auto shop cleaning equipment for waste organic gas | |
| CN203664098U (en) | Baking finish house with tail gas comprehensive treatment function | |
| CN107899389A (en) | The energy saving hybrid processing system of Industrial Stoves VOC exhaust gas | |
| CN216572340U (en) | Zeolite runner is inhaled desorption catalytic oxidation and is decomposed exhaust treatment device | |
| CN205549968U (en) | Low concentration, big amount of wind, concentrated energy equipment of high peculiar smell waste gas | |
| CN210278700U (en) | VOC exhaust-gas treatment purifier and have its baking finish room | |
| CN210631891U (en) | Air purifying device | |
| CN109833725A (en) | A method of gas fired-boiler nitrogen oxides in effluent is removed using molecular sieve | |
| CN211025690U (en) | Spout baking finish waste gas desorption device and spout baking finish waste gas purification equipment | |
| CN210332183U (en) | VOC adsorption concentration catalytic combustion system | |
| CN210584379U (en) | VOCs processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321001 Zhuma Industrial Zone, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Address before: 321001 Zhuma Industrial Zone, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG ANKE ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Treatment System for Spraying Organic Waste Gas Effective date of registration: 20230606 Granted publication date: 20201218 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Branch Pledgor: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Registration number: Y2023980042958 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231128 Granted publication date: 20201218 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Branch Pledgor: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Registration number: Y2023980042958 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Treatment System for Spray Organic Waste Gas Effective date of registration: 20231202 Granted publication date: 20201218 Pledgee: Zhejiang Jinhua Chengtai Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Registration number: Y2023330002868 |