CN218530283U - Emulsified asphalt heating waste gas recovery's environmental protection system - Google Patents
Emulsified asphalt heating waste gas recovery's environmental protection system Download PDFInfo
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- CN218530283U CN218530283U CN202221715779.1U CN202221715779U CN218530283U CN 218530283 U CN218530283 U CN 218530283U CN 202221715779 U CN202221715779 U CN 202221715779U CN 218530283 U CN218530283 U CN 218530283U
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- waste gas
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- 239000002912 waste gas Substances 0.000 title claims abstract description 107
- 239000010426 asphalt Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 230000007613 environmental effect Effects 0.000 title claims abstract description 9
- 238000011084 recovery Methods 0.000 title claims description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 239000012286 potassium permanganate Substances 0.000 claims description 8
- 239000012670 alkaline solution Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000004887 air purification Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 230000000391 smoking effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 27
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 1
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 1
- 235000010703 Modiola caroliniana Nutrition 0.000 description 1
- 244000038561 Modiola caroliniana Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses an environmental protection system for recycling emulsified asphalt heating waste gas, which comprises a waste gas collecting cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collecting cover, the ventilation device, the waste gas treatment device and the waste gas detection device are sequentially communicated through the transmission pipe, and the exhaust pipe is communicated with the output end of the waste gas detection device. The utility model provides a present emulsified asphalt heating test device not enough to cause the problem of health harm to the testing personnel to pitch exhaust-gas treatment.
Description
Technical Field
The utility model relates to an emulsified asphalt heating waste gas recovery technique specifically is an emulsified asphalt heating waste gas recovery's environmental protection system.
Background
Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives, is one of high viscosity organic liquids, is liquid, has a black surface, is soluble in carbon disulfide, and is an aerosol and vapor produced by heating asphalt and combustion of asphalt-containing materials. The volatile matter in the exhaust gas generated by heating the asphalt is discharged into the atmosphere and becomes one of the atmospheric pollutants. The composition of the exhaust gas is very complex and varies from one bitumen source to another. The waste gas contains solid and liquid particles condensed from asphalt volatile components and organic matters in a steam state. The equipment for generating the asphalt waste gas is subjected to closed air draft, and then is discharged after purification, so that the asphalt waste gas pollution can be effectively prevented and treated. But the present emulsified asphalt heating test device does not treat the defect of asphalt waste gas, and the asphalt waste gas causes harm to the bodies of testers.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model provides an emulsified asphalt heating waste gas recovery's environmental protection system, aim at have solved present emulsified asphalt heating test device and have not enough led to the fact the problem of health harm to the testing personnel to pitch exhaust-gas treatment.
To achieve the purpose, the utility model adopts the following technical proposal:
an environmental protection system for recycling waste gas heated by emulsified asphalt comprises a waste gas collecting cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collecting cover, the ventilating device, the waste gas treatment device and the waste gas detection device are sequentially communicated through the transmission pipe, and the exhaust pipe is communicated with the output end of the waste gas detection device.
Preferably, the transfer pipes comprise a first transfer pipe, a second transfer pipe and a third transfer pipe;
the output end of the waste gas collecting cover is communicated with the input end of the first transmission pipe, the input end of the ventilation device is communicated with the output end of the first transmission pipe, the output end of the ventilation device is communicated with the input end of the second transmission pipe, the input end of the waste gas treatment device is communicated with the output end of the second transmission pipe, the output end of the waste gas treatment device is communicated with the input end of the third transmission pipe, the input end of the waste gas detection device is communicated with the output end of the third transmission pipe, and the output end of the waste gas detection device is communicated with the input end of the exhaust pipe.
Preferably, the waste gas collecting cover is a hemispherical plastic cover with an open top.
Preferably, the ventilation device is a smoking exhaust fan.
Preferably, the waste gas treatment device is a plastic tank and is divided into three layers from top to bottom, wherein the first layer is an activated carbon absorption layer and is used for absorbing particles in the waste gas; the second layer is an alkaline solution layer and is used for absorbing sulfur dioxide in the waste gas; the third layer is an air purification layer for purifying the treated waste gas.
Preferably, the waste gas detection device is a transparent plastic tank, and a potassium permanganate solution is filled in the waste gas detection device and used for detecting the content of sulfur dioxide in waste gas.
Preferably, the first transfer pipe, the second transfer pipe and the third transfer pipe are all retractable plastic hoses.
Preferably, the exhaust pipe is a plastic hose.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
this scheme is through collecting cover, ventilation unit, exhaust treatment device and waste gas detection device through the waste gas with the waste gas that the pitch heating produced in proper order, obtains the waste gas after handling, has reduced pitch waste gas to tester's health harm. In addition, the system has simple structure, easy operation, adjustable space between the devices and strong adaptability.
Drawings
FIG. 1 is a schematic diagram of an eco-friendly system for emulsified asphalt heating waste gas recovery;
fig. 2 is a schematic structural diagram of an embodiment.
Wherein, 1, a waste gas collecting cover; 2. a ventilation device; 3. an exhaust gas treatment device; 4. an exhaust gas detection device; 5. a transfer tube assembly; 6. an exhaust pipe; 10. an output end of the exhaust gas collection hood; 21. an input of a ventilation device; 22. an output of the ventilation device; 31. an input of an exhaust gas treatment device; 32. an output of the exhaust gas treatment device; 41. an input of an exhaust gas detection device; 42. an output of the exhaust gas detection device; 51. a first transfer tube; 52. a second transfer pipe; 53. a third transfer pipe; 61. an input end of the exhaust pipe; 511. an input end of the first transmission pipe; 512. an output end of the first transmission pipe; 521. an input end of a second transmission pipe; 522. an output end of the second transmission pipe; 531. an input end of a third transmission tube; 532. and the output end of the third transmission pipe.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and 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 therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "spliced" and "connected" should be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
An environmental protection system for heating and recovering waste gas by emulsified asphalt comprises a waste gas collecting cover 1, a ventilation device 2, a waste gas treatment device 3, a waste gas detection device 4, a transmission pipe 5 and an exhaust pipe 6; the waste gas collecting cover 1, the ventilation device 2, the waste gas treatment device 3 and the waste gas detection device 4 are sequentially communicated through the transmission pipe 5, and the exhaust pipe 6 is communicated with an output end 42 of the waste gas detection device 4.
An environmental protection system that emulsified asphalt heating waste gas retrieved in this scheme, as shown in fig. 1, the waste gas gathering that produces during the pitch heating is in waste gas collection cover 1, through the power that ventilation unit 2 produced passes through waste gas transmission pipe 5 extremely waste gas treatment device 3, waste gas under atmospheric pressure effect top-down passes through waste gas treatment device 3's active carbon adsorption layer, alkaline solution layer and air purification layer in proper order, and particulate matter and sulfur dioxide that contain wherein are absorbed the processing back, the rethread transmission pipe 5 gets into waste gas detection device 4, through the change of potassium permanganate solution color in waste gas detection device 4 carries out real-time detection to the sulfur dioxide content in the waste gas after the processing, changes immediately after potassium permanganate solution color changes alkaline solution in the waste gas treatment device 4 prevents that the sulfur dioxide is handled incompletely, and the waste gas after the processing is passed through blast pipe 6 discharges.
This scheme is through collecting cover 1, ventilation unit 2, exhaust treatment device 3 and waste gas detection device 4 through waste gas with the waste gas that the pitch heating produced in proper order, obtains the waste gas after handling, has reduced pitch waste gas to tester's health harm. In addition, the system has simple structure, easy operation, adjustable space between the devices and strong adaptability.
Preferably, the transfer pipe 5 comprises a first transfer pipe 51, a second transfer pipe 52 and a third transfer pipe 53; the output end 10 of the exhaust gas collecting cover 1 is communicated with the input end 511 of the first transmission pipe 51, the input end 21 of the ventilation device 2 is communicated with the output end 512 of the first transmission pipe 51, the output end 22 of the ventilation device 2 is communicated with the input end 521 of the second transmission pipe 52, the input end 31 of the exhaust gas processing device 3 is communicated with the output end 522 of the second transmission pipe 52, the output end 32 of the exhaust gas processing device 3 is communicated with the input end 531 of the third transmission pipe 53, the input end 41 of the exhaust gas detecting device 4 is communicated with the output end 532 of the third transmission pipe 53, and the output end 42 of the exhaust gas detecting device 4 is communicated with the input end 61 of the exhaust pipe 6.
In this embodiment, as shown in fig. 2, the transfer pipe 5 includes a first transfer pipe 51, a second transfer pipe 52 and a third transfer pipe 53, and the exhaust gas collecting cover 1, the ventilation device 2, the exhaust gas treatment device 3 and the exhaust gas detection device 4 are effectively communicated through the first transfer pipe 51, the second transfer pipe 52 and the third transfer pipe 53, so as to better treat and discharge asphalt exhaust gas in each device.
Preferably, the waste gas collecting cover 1 is a hemispherical plastic cover with an open top. Specifically, the top of the waste gas collecting cover 1 is provided with an opening which can be better communicated with the conveying pipe 5, and the waste gas collecting cover 1 is a hemispherical plastic cover with an open top, so that asphalt waste gas is limited from escaping to the external environment and waste gas absorption is accelerated during asphalt heating.
Preferably, the ventilation device 2 is a smoking exhaust fan. Specifically, because the ventilation device 2 is a smoking exhaust fan, the exhaust gas collected by the exhaust gas collecting cover 1 can be conveniently conveyed to other devices as soon as possible, and the ventilation device 2 can adjust the wind power according to the heating rate and the exhaust gas generating speed.
Preferably, the waste gas treatment device 3 is a plastic tank, the waste gas treatment device 3 is divided into three layers from top to bottom, and the first layer is an activated carbon absorption layer and is used for absorbing particles in waste gas; the second layer is an alkaline solution layer and is used for absorbing sulfur dioxide in the waste gas; the third layer is an air purification layer for purifying the treated waste gas. Specifically, the asphalt waste gas passes through the activated carbon absorption layer, the alkaline solution layer and the air purification layer in sequence from top to bottom under the action of air pressure in the waste gas treatment device 3, the treatment time is longer, and the excellent treatment effect is ensured.
Preferably, exhaust gas detection device 4 is transparent plastic tank, potassium permanganate solution is equipped with in the exhaust gas detection device 3 for detect sulfur dioxide's content in the waste gas. Specifically, because exhaust gas detection device 4 is a transparent plastic tank, be convenient for observe the change of interior potassium permanganate solution colour, if potassium permanganate solution's colour gradually becomes lighter by mauve, still exist the sulfur dioxide composition in the demonstration waste gas. In one example, when the color of the potassium permanganate solution is unchanged, it indicates that all sulfur dioxide in the exhaust gas has been treated.
Preferably, the first transfer pipe 51, the second transfer pipe 52 and the third transfer pipe 53 are all flexible plastic hoses. Specifically, since the first transfer pipe 51, the second transfer pipe 52, and the third transfer pipe 53 are all flexible plastic hoses, the distance between the respective devices can be adjusted by telescopically adjusting the lengths of the first transfer pipe 51, the second transfer pipe 52, and the third transfer pipe 53.
Preferably, the exhaust pipe 6 is a plastic hose. Specifically, the exhaust pipe 6 is beneficial to discharging the treated waste gas, and the plastic hose is low in cost and easy to purchase. In the present embodiment, the exhaust pipe 6 is a transparent plastic hose, and in other embodiments, the exhaust pipe 6 is an opaque plastic hose.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. The utility model provides an emulsified asphalt heating waste gas recovery's environmental protection system which characterized in that: the device comprises a waste gas collecting cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collecting cover, the ventilation device, the waste gas treatment device and the waste gas detection device are sequentially communicated through the transmission pipe, and the exhaust pipe is communicated with the output end of the waste gas detection device;
the waste gas treatment device is a plastic tank and is divided into three layers from top to bottom, wherein the first layer is an activated carbon absorption layer and is used for absorbing particles in waste gas; the second layer is an alkaline solution layer and is used for absorbing sulfur dioxide in the waste gas; the third layer is an air purification layer for purifying the treated waste gas;
the waste gas detection device is a transparent plastic tank, and a potassium permanganate solution is arranged in the waste gas detection device and is used for detecting the content of sulfur dioxide in waste gas.
2. The system of claim 1, wherein the system comprises: the transmission pipes comprise a first transmission pipe, a second transmission pipe and a third transmission pipe;
the output end of the waste gas collecting cover is communicated with the input end of the first transmission pipe, the input end of the ventilation device is communicated with the output end of the first transmission pipe, the output end of the ventilation device is communicated with the input end of the second transmission pipe, the input end of the waste gas treatment device is communicated with the output end of the second transmission pipe, the output end of the waste gas treatment device is communicated with the input end of the third transmission pipe, the input end of the waste gas detection device is communicated with the output end of the third transmission pipe, and the output end of the waste gas detection device is communicated with the input end of the exhaust pipe.
3. The system of claim 1, wherein the system comprises: the waste gas collecting cover is a hemispherical plastic cover with an opening at the top.
4. The system of claim 1, wherein the system comprises: the ventilation device is a smoking exhaust fan.
5. The system of claim 2, wherein the system comprises: the first conveying pipe, the second conveying pipe and the third conveying pipe are all telescopic plastic hoses.
6. The system of claim 1, wherein the system comprises: the exhaust pipe is a plastic hose.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715779.1U CN218530283U (en) | 2022-07-05 | 2022-07-05 | Emulsified asphalt heating waste gas recovery's environmental protection system |
| PCT/CN2022/105258 WO2024007354A1 (en) | 2022-07-05 | 2022-07-12 | Environmentally friendly system for recovering waste gas generated during heating of emulsified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715779.1U CN218530283U (en) | 2022-07-05 | 2022-07-05 | Emulsified asphalt heating waste gas recovery's environmental protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218530283U true CN218530283U (en) | 2023-02-28 |
Family
ID=85266858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221715779.1U Active CN218530283U (en) | 2022-07-05 | 2022-07-05 | Emulsified asphalt heating waste gas recovery's environmental protection system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218530283U (en) |
| WO (1) | WO2024007354A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203002160U (en) * | 2012-12-18 | 2013-06-19 | 江阴科亚环保设备有限公司 | Plasma asphalt gas purification device |
| KR101485776B1 (en) * | 2014-06-30 | 2015-01-27 | 주식회사 메트로엔지니어링 | Dust and offensive odor removal apparatus of ascon plan using a corona discharge |
| CN105126583A (en) * | 2015-08-13 | 2015-12-09 | 中国石油集团东北炼化工程有限公司葫芦岛设计院 | Asphalt flue gas purification apparatus |
| CN205461640U (en) * | 2016-01-08 | 2016-08-17 | 无锡市西漳环保设备有限公司 | Device is administered in purification of pitch flue gas |
| CN106422718A (en) * | 2016-08-31 | 2017-02-22 | 天津领先正华能源科技发展有限公司 | Asphalt waste gas purifying system |
| CN208786127U (en) * | 2018-06-01 | 2019-04-26 | 勤山(上海)机场场道工程技术有限公司 | A kind of alkaline washing tower for asphalt tail gas processing |
| CN108525490A (en) * | 2018-06-01 | 2018-09-14 | 岑溪市东正动力科技开发有限公司 | A kind of alkaline washing tower for asphalt tail gas processing |
| CN208672586U (en) * | 2018-09-14 | 2019-03-29 | 孙志斌 | A kind of fireworks and firecrackers production quality safety detection device |
| CN109569234A (en) * | 2018-11-09 | 2019-04-05 | 河北东华冀衡化工有限公司 | A method of removing monoxone sulfur dioxide in tail gas |
| CN216386745U (en) * | 2021-08-30 | 2022-04-26 | 济南崇华信息技术有限公司 | Exhaust-gas treatment equipment with harmful substance detection function |
-
2022
- 2022-07-05 CN CN202221715779.1U patent/CN218530283U/en active Active
- 2022-07-12 WO PCT/CN2022/105258 patent/WO2024007354A1/en unknown
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| Publication number | Publication date |
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| WO2024007354A1 (en) | 2024-01-11 |
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