CN112619375A - Closed dust absorption exhaust treatment system of pitch mix building - Google Patents
Closed dust absorption exhaust treatment system of pitch mix building Download PDFInfo
- Publication number
- CN112619375A CN112619375A CN202011393822.2A CN202011393822A CN112619375A CN 112619375 A CN112619375 A CN 112619375A CN 202011393822 A CN202011393822 A CN 202011393822A CN 112619375 A CN112619375 A CN 112619375A
- Authority
- CN
- China
- Prior art keywords
- dust
- asphalt
- treatment system
- waste gas
- closed
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a closed dust-absorption waste gas treatment system of an asphalt mixing plant, which comprises a spray tower, a centrifugal demisting device, an electrostatic dust removal device, a photocatalytic oxidation device, a plasma purification device and an active carbon odor-removal adsorption device, wherein an inlet of the spray tower collects asphalt flue gas generated by a factory-type closed mixing station, and the spray tower, the centrifugal demisting device, the electrostatic dust removal device, the photocatalytic oxidation device, the plasma purification device and the active carbon odor-removal adsorption device are communicated in sequence. After the pitch flue gas is collected to the spray column to through the centrifugation defogging device high-speed centrifugation of being connected with it, the photocatalytic oxidation device releases a large amount of ozone, and removes the smell of pitch flue gas through active carbon adsorption device absorption. This closed dust absorption exhaust treatment system of pitch mix building can guarantee complete carrying out exhaust-gas treatment, avoids the waste gas smoke and dust to follow position loss such as lane, hopper, and can guarantee that flue gas handles more thoroughly, guarantees exhaust-gas treatment's efficiency and quality.
Description
Technical Field
The invention relates to the technical field related to road and bridge construction, in particular to a closed dust and waste gas treatment system for an asphalt mixing plant, and belongs to the technical field related to dust and waste gas treatment of asphalt mixing plants.
Background
The asphalt mixing plant is a complete set of equipment for batch production of asphalt concrete, and when the asphalt mixing plant is produced and processed, if a corresponding waste gas treatment device is not installed, a large amount of dust and smoke can be discharged, so that the environment is seriously affected, and therefore, when the asphalt mixing plant is operated and used, a waste gas treatment system is required to be used for waste gas treatment;
and asphalt mixing plant exhaust treatment system under the prior art background, when carrying out exhaust-gas treatment, can not guarantee exhaust-gas treatment's complete, can not avoid waste gas smoke and dust to follow position loss such as lane, hopper, be unfavorable for guaranteeing exhaust-gas treatment efficiency and quality, can not guarantee that flue-gas treatment's is more thorough simultaneously, consequently, we propose an asphalt mixing building closed dust absorption exhaust treatment system to in solving the above-mentioned problem of proposing.
Disclosure of Invention
The invention aims to provide a closed dust-absorbing waste gas treatment system for an asphalt mixing plant, which aims to solve the problems that the existing waste gas treatment system for the asphalt mixing plant in the background art cannot ensure the completeness of waste gas treatment, cannot avoid the escape of waste gas smoke dust from positions such as lanes and hoppers, is not beneficial to ensuring the waste gas treatment efficiency and quality, and cannot ensure the more thorough smoke gas treatment.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a closed dust absorption exhaust gas treatment system of pitch mix building, includes spray column, centrifugal defogging device, electrostatic precipitator device, photocatalytic oxidation device, plasma purifier and active carbon odor removal adsorption equipment, the entry of spray column is collected the pitch flue gas that mill formula closed mix station produced, spray column, centrifugal defogging device, electrostatic precipitator device, photocatalytic oxidation device, plasma purifier and active carbon odor removal adsorption equipment communicate in proper order.
Preferably, the factory closed mixing station comprises three areas, namely a main building enclosure, an asphalt tank area enclosure and a storage bin and cold hopper integral enclosure.
Preferably, the main building enclosure is a steel structure enclosure for the main building and the heat regeneration, wherein the equipment is expanded outwards by 5-8 meters for enclosure, and large sliding windows are left on four sides of the enclosure, and the enclosure is provided with lighting and ventilation devices.
Preferably, main building feed opening below is provided with the lane, and all is provided with quick rolling slats door around the lane to the rolling slats door can open automatically when the vehicle is close, and the door self-closing when the vehicle gets into moreover becomes a relatively inclosed space, guarantees to connect the skip back-and-forth movement and can both cover the car all the time, guarantees that the fan dust absorption smokes.
Preferably, the dust and the asphalt smoke use two sets of independent collecting systems, share one dust suction port below a main building, are switched by the combination of a butterfly valve group breaking door, and are respectively sent into respective pipelines, and the asphalt smoke is collected and processed by an asphalt smoke processing system during working, and the pot washing material is collected and purified by a main cloth bag or an independent dust collector during completion.
Preferably, the cooling hopper top sets up the canopy, and suction hood of every hopper installation, and every suction hood has butterfly valve control to open to infrared detection device surveys forklift feeding, makes every hopper independently open, connects every hopper cluster through the pipeline simultaneously and sends into independent dust remover, sends into oblique belt feeder through handling the reuse spiral through the inspiratory dust of independent dust remover.
Preferably, after the asphalt flue gas is collected by the spray tower, the temperature and the concentration of the flue gas are reduced through water circulation, and meanwhile, the filtered flue gas contains a large amount of water molecules, so that the moisture in the flue gas is centrifugally dried at a high speed through a centrifugal defogging device connected with the spray tower, and some fine dust particles are electrically captured.
Preferably, the photocatalytic oxidation device releases a large amount of ozone, so that organic matters such as benzopyrene are unstable due to ozone molecules, CO2 and water are generated by combining molecular formula splitting and ozone under plasma high-voltage discharge, and the odor of the asphalt smoke is adsorbed by the activated carbon odor removal and adsorption device, so that the odor of the waste gas is ensured to be odorless and harmless.
Compared with the prior art, the invention has the beneficial effects that: this closed dust absorption exhaust treatment system of pitch mix building can guarantee complete carrying out exhaust-gas treatment, avoids the waste gas smoke and dust to follow position loss such as lane, hopper, and can guarantee that flue gas handles more thoroughly, guarantees exhaust-gas treatment's efficiency and quality.
Drawings
FIG. 1 is a schematic flow chart of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a closed dust absorption exhaust gas treatment system of pitch mix building, includes spray column, centrifugal defogging device, electrostatic precipitator device, photocatalytic oxidation device, plasma purifier and active carbon odor removal adsorption equipment, the entry of spray column is collected the pitch flue gas that mill formula closed mix station produced, spray column, centrifugal defogging device, electrostatic precipitator device, photocatalytic oxidation device, plasma purifier and active carbon odor removal adsorption equipment communicate in proper order.
In the scheme, the factory type closed mixing station comprises three areas, namely main building encapsulation, asphalt tank area encapsulation and overall encapsulation of a storage bin and a cold hopper.
In the scheme, the main building encapsulation is the main building and the steel structure encapsulation for heat regeneration, wherein equipment is expanded outwards by 5-8 meters for encapsulation, and large sliding windows are reserved on four sides of the encapsulation, and the encapsulation is provided with an illuminating and ventilating device.
In this scheme, main building feed opening below is provided with the lane, and all is provided with quick rolling slats door around the lane to the rolling slats door can open automatically when the vehicle is close, and door self-closing when the vehicle enters into moreover becomes a relative inclosed space, guarantees to connect the skip back-and-forth movement and can both cover the car all the time, guarantees fan dust absorption smoking.
In this scheme, dust and pitch cigarette use two sets of independent collecting system, and main downstairs share a dust absorption mouth, lean on the combination switching that butterfly valve group opens the door absolutely, send into respective pipeline with dust and flue gas respectively to during operation pitch flue gas is collected by pitch flue gas processing system and is handled, washes the pot material and leans on main sack or independent dust remover to collect the purification when the completion.
In this scheme, cold burden fill top sets up the canopy that keeps off the rain, and suction hood of every hopper installation, and every suction hood has butterfly valve control to open to infrared detection device surveys forklift feeding, makes every hopper independently open, and the while is concatenated every hopper through the pipeline and is sent into independent dust remover, sends into oblique belt feeder through handling the reuse spiral through the inspiratory dust of independent dust remover.
In this scheme, when carrying out the during operation, mill's formula seals mix station and passes through after the pitch flue gas is collected to the spray column, reduce flue gas temperature concentration through hydrologic cycle, reduce flue gas temperature concentration by hydrologic cycle, but the aquatic can contain harmful organic matter simultaneously, makes filterable flue gas contain a large amount of hydrones simultaneously, with the moisture in the high-speed centrifugation flue gas that spin-dries of centrifugation defogging device through being connected with it, and carry out the electricity with some tiny dust particles and catch, the photocatalysis oxidation device releases a large amount of ozone for organic matter such as ozone molecule messenger benzopyrene is unstable, and plasma high-voltage discharge goes down the molecular formula split back and combines with ozone and generate CO2 and water simultaneously, and adsorbs the pitch cigarette taste through active carbon adsorption device, guarantees that waste gas is tasteless harmless.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a closed dust absorption exhaust treatment system of pitch mix building, includes spray column, centrifugal defogging device, electrostatic precipitator device, photocatalytic oxidation device, plasma purifier and active carbon odor removal adsorption equipment, its characterized in that: the inlet of the spray tower is used for collecting asphalt flue gas generated by the factory-type closed mixing station, and the spray tower, the centrifugal demisting device, the electrostatic dust removal device, the photocatalytic oxidation device, the plasma purification device and the activated carbon odor removal adsorption device are sequentially communicated.
2. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 1, is characterized in that: the factory type closed mixing station comprises three areas, namely a main building envelope, an asphalt tank area envelope and an overall envelope of a storage bin and a cold hopper.
3. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 2, is characterized in that: the main building encapsulation is the main building and the steel structure encapsulation for heat regeneration, wherein equipment is expanded outwards for 5-8 m for encapsulation, and large sliding windows are reserved on four sides of the encapsulation, and the illumination and ventilation device is installed.
4. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 3, is characterized in that: the main building feed opening below is provided with the lane, and all is provided with quick rolling slats door around the lane to the rolling slats door can be opened automatically when the vehicle is close, and the door self-closing when the vehicle gets into moreover becomes a relatively inclosed space, guarantees to connect the skip back-and-forth movement and can both cover the car all the time, guarantees that the fan dust absorption smokes.
5. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 3, is characterized in that: the dust and the asphalt smoke use two sets of independent collecting systems, share one dust suction port below a main building, are switched by the combination of a butterfly valve group breaking door, and are respectively sent into respective pipelines, the asphalt smoke is collected and processed by an asphalt smoke processing system during working, and the pot washing material is collected and purified by a main cloth bag or an independent dust collector during completion.
6. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 2, is characterized in that: the cold burden fill top sets up the canopy that keeps off the rain, and a suction hood of every hopper installation, and every suction hood has butterfly valve control to open to infrared detection device surveys the forklift material loading, makes every hopper independently open, couples together every hopper cluster through the pipeline simultaneously and sends into independent dust remover, sends into oblique belt feeder through independent dust remover inspiratory dust through handling the reuse spiral.
7. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 1, is characterized in that: after the asphalt flue gas is collected by the spray tower, the temperature and the concentration of the flue gas are reduced through water circulation, and meanwhile, the filtered flue gas contains a large amount of water molecules, so that the moisture in the flue gas is centrifugally dried at a high speed through a centrifugal demisting device connected with the spray tower, and some fine dust particles are electrically captured.
8. The closed dust-collecting waste gas treatment system of the asphalt mixing plant according to claim 1, is characterized in that: the photocatalytic oxidation device releases a large amount of ozone, so that organic matters such as benzopyrene are unstable due to ozone molecules, CO2 and water are generated by combination of molecular formula splitting and ozone under plasma high-voltage discharge, and the odor of asphalt smoke is adsorbed by the activated carbon odor removal adsorption device, so that the waste gas is guaranteed to be odorless and harmless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393822.2A CN112619375A (en) | 2020-12-02 | 2020-12-02 | Closed dust absorption exhaust treatment system of pitch mix building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393822.2A CN112619375A (en) | 2020-12-02 | 2020-12-02 | Closed dust absorption exhaust treatment system of pitch mix building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112619375A true CN112619375A (en) | 2021-04-09 |
Family
ID=75308376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011393822.2A Pending CN112619375A (en) | 2020-12-02 | 2020-12-02 | Closed dust absorption exhaust treatment system of pitch mix building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112619375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117018829A (en) * | 2023-09-28 | 2023-11-10 | 泉州兴跃机械有限公司 | Automatic control flue gas treatment equipment for asphalt mixing plant |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2448418A1 (en) * | 1973-10-10 | 1975-05-07 | Saint Gobain | METHOD OF ELIMINATING HARMFUL SUBSTANCES AND DEVICE FOR CARRYING OUT THE PROCEDURE |
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN106480806A (en) * | 2016-11-25 | 2017-03-08 | 南阳市亚龙筑路机械制造有限公司 | A kind of intelligent environmental protection type asphalt mixing plant Load System and its using method |
| CN206793400U (en) * | 2017-03-06 | 2017-12-26 | 章鹏飞 | A kind of cyclone wet-type dust-removing waste gas purification integrated machine |
| CN208436600U (en) * | 2018-12-25 | 2019-01-29 | 烟台盛泽环保科技有限公司 | A kind of bituminous mixing plant exhaust treatment system |
| CN209317249U (en) * | 2018-10-09 | 2019-08-30 | 山推建友机械股份有限公司 | A kind of bitumen flue gas processing unit |
| CN209333527U (en) * | 2018-11-19 | 2019-09-03 | 郑州常春藤环保科技有限公司 | A kind of VOCs organic waste gas treatment device |
| CN110614029A (en) * | 2019-09-24 | 2019-12-27 | 江苏徐工工程机械研究院有限公司 | Asphalt flue gas purification system and purification method thereof |
| CN211133431U (en) * | 2019-09-11 | 2020-07-31 | 浙江普泽环保科技有限公司 | Copper pouring workshop waste gas treatment project |
-
2020
- 2020-12-02 CN CN202011393822.2A patent/CN112619375A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2448418A1 (en) * | 1973-10-10 | 1975-05-07 | Saint Gobain | METHOD OF ELIMINATING HARMFUL SUBSTANCES AND DEVICE FOR CARRYING OUT THE PROCEDURE |
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN106480806A (en) * | 2016-11-25 | 2017-03-08 | 南阳市亚龙筑路机械制造有限公司 | A kind of intelligent environmental protection type asphalt mixing plant Load System and its using method |
| CN206793400U (en) * | 2017-03-06 | 2017-12-26 | 章鹏飞 | A kind of cyclone wet-type dust-removing waste gas purification integrated machine |
| CN209317249U (en) * | 2018-10-09 | 2019-08-30 | 山推建友机械股份有限公司 | A kind of bitumen flue gas processing unit |
| CN209333527U (en) * | 2018-11-19 | 2019-09-03 | 郑州常春藤环保科技有限公司 | A kind of VOCs organic waste gas treatment device |
| CN208436600U (en) * | 2018-12-25 | 2019-01-29 | 烟台盛泽环保科技有限公司 | A kind of bituminous mixing plant exhaust treatment system |
| CN211133431U (en) * | 2019-09-11 | 2020-07-31 | 浙江普泽环保科技有限公司 | Copper pouring workshop waste gas treatment project |
| CN110614029A (en) * | 2019-09-24 | 2019-12-27 | 江苏徐工工程机械研究院有限公司 | Asphalt flue gas purification system and purification method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117018829A (en) * | 2023-09-28 | 2023-11-10 | 泉州兴跃机械有限公司 | Automatic control flue gas treatment equipment for asphalt mixing plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206652386U (en) | A kind of minimum discharge purifier of burning city domestic garbage flue gas | |
| CN208406422U (en) | A kind of spray paint dust-removing waste gas purification integrated machine | |
| CN105195008A (en) | Process and equipment for flue gas roasting, adsorption desulfurization, dust removal and purification by adopting combination process | |
| CN108283821A (en) | The treatment process and processing system of coking production Zhong Huachan workshop sections exhaust gas containing naphthalene | |
| CN204601914U (en) | A kind of intelligent waste gas dedusting odor removal | |
| CN205269378U (en) | Industrial waste gas dust removal desulfurization denitrogenation waste heat reutilization processing system | |
| CN113457408A (en) | Efficient kitchen malodorous gas purification system | |
| CN112619375A (en) | Closed dust absorption exhaust treatment system of pitch mix building | |
| CN203663677U (en) | Smoke elimination, dust removal, deodorization and desulfurization equipment | |
| CN102080558B (en) | Purification and exhaust method for road tunnel without air shaft | |
| CN104707470B (en) | Activated coke/soot desulfurization and desorbing integrated system | |
| CN102080559A (en) | Exhaust airway-free purifying exhaust structure for road tunnel | |
| CN102319536B (en) | Purification system and method for high-dust concentration supersaturated peculiar smell gas | |
| CN106178813A (en) | A kind of coal high-efficiency clean utilization system based on activated coke dry FGD process technology | |
| CN112076586A (en) | Catalytic combustion device and waste gas treatment method thereof | |
| CN205867863U (en) | Flue gas purification treatment device | |
| CN205598911U (en) | Modified asphalt waterproofing membrane process gas processing system | |
| CN205815448U (en) | A kind of flue gas processing device of heat-recoverable | |
| CN209407054U (en) | A kind of dust, exhaust gas sealing and circulating are divulged information upgrading system | |
| CN201168535Y (en) | Continuous flue gas desulfurization dust removing integrated purification system | |
| CN206762655U (en) | A kind of coal-fired flue eliminates the device of pernicious gas and hazardous solid particle | |
| CN210814558U (en) | Flue gas purification system of asphalt mixing plant | |
| CN202410499U (en) | Purification system of high-dust-content supersaturated peculiar smell gases | |
| CN202740997U (en) | Complete device for processing sludge incineration tail gas by using wet method | |
| CN209568124U (en) | A kind of converter coal gas purification recycles and combines the device of final dusting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |