CN111871129A - Industrial waste gas filtration equipment - Google Patents
Industrial waste gas filtration equipment Download PDFInfo
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- CN111871129A CN111871129A CN202010765397.9A CN202010765397A CN111871129A CN 111871129 A CN111871129 A CN 111871129A CN 202010765397 A CN202010765397 A CN 202010765397A CN 111871129 A CN111871129 A CN 111871129A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- 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
- B01D53/007—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 irradiation
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- 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
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- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- 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
- B01D2259/804—UV light
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses industrial waste gas filtering equipment, which relates to the technical field of waste gas treatment equipment and comprises a filtering box and a purifying box, wherein the bottom of the filtering box is provided with an induced draft fan, the induced draft fan is connected with a waste gas pipeline, a water inlet pipe is arranged above the induced draft fan, the water inlet pipe is connected with a snakelike cooling pipe, the left side of the filtering box is provided with a driving motor, the driving motor is connected with a main gear, two sides of the main gear are symmetrical pinion gears, the pinion gears are connected with a screw rod, the surface of the screw rod is provided with a nut, the nut is fixedly connected with a cleaning brush, the snakelike cooling pipe cools and cools industrial waste gas conveyed into the filtering box, the nut drives the cleaning brush to move on the surfaces of a primary filtering net and a secondary filtering net so as to remove dust attached to the surfaces of the primary filtering net and the secondary filtering net, a water spraying, effectively avoid impurity particle in the waste gas to block up the filter screen, purification efficiency is higher.
Description
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to industrial waste gas filtering equipment
Background
Industrial waste gas, which is a general term for various pollutant-containing gases discharged into air in the process of fuel combustion and production processes in factory areas of enterprises, can pollute air, and the substances enter human bodies through respiratory tracts in different ways, some substances are directly harmful, some substances have an accumulation effect and can seriously harm human health, and different substances have different influences.
The industrial waste gas is usually purified by a spraying method in the treatment process, part of the industrial waste gas contains higher heat, sprayed water is evaporated at high temperature and is discharged to the air along with the waste gas, water resources are consumed, and solid particles in the waste gas are easily attached to the surface of a filter screen and are difficult to remove, so that blockage is caused.
Disclosure of Invention
The present invention is directed to an industrial waste gas filtering apparatus to solve the above problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an industrial waste gas filtering device comprises a filtering box and a purifying box, wherein a draught fan is arranged on the left side of the bottom of the filtering box, a waste gas pipeline is connected on the left side of the draught fan, the outer side of the waste gas pipeline is connected with an industrial waste gas emission device, the right side of the waste gas pipeline is extended and connected into the inside of the filtering box, a water inlet pipe is arranged above the draught fan, the water inlet pipe penetrates through the right side wall of the filtering box to extend and connect with a serpentine cooling pipe, a primary filter screen is arranged above the serpentine cooling pipe, a secondary filter screen is arranged above the inside of the filtering box, the primary filter screen and the secondary filter screen are both fixedly connected with the inner wall of the filtering box, a driving motor is arranged on the left side of the filtering box, a main gear is fixedly connected with the tail end of an output shaft of the driving motor, auxiliary, the right sides of the pinion on the upper side and the lower side are fixedly connected with screw rods, the screw rods are rotationally connected with the inner wall of the filter box, the surfaces of the screw rods are provided with nuts, the nuts are fixedly connected with cleaning brushes, the tail ends of the cleaning brushes on the upper side and the lower side are respectively contacted with a second-level filter screen and a first-level filter screen, the surface of the right side wall of the filter box is provided with a water pump, the water pump is connected with a water pipe, the bottom of the water pipe penetrates through the right side wall of the filter box and is connected with a snakelike cooling pipe, the tail end of the top of the water pipe extends into the filter box, the bottom of the water pipe in the filter box is equidistantly provided with water spraying collision heads, the upper part in the filter box is provided with an active carbon adsorption layer, a drying box is arranged in the top wall of the filter box, a suction fan, the bottom of the deodorization box is provided with an exhaust pipe.
As a further scheme of the invention: the water storage tank is arranged below the filter tank and is connected with the filter tank through a water outlet pipe, a control water valve is arranged in the water outlet pipe, and a filter plate is arranged in the water storage tank.
As a further scheme of the invention: the protective shell is arranged on the outer side of the driving motor and fixedly connected with the left side wall of the filter box.
As a further scheme of the invention: master gear fixed connection dwang, the dwang extends to in being connected to the rose box, the dwang rotates with the rose box inner wall to be connected, the dwang outside sets up the dust adsorption plate.
As a still further scheme of the invention: ultraviolet sterilizing lamps are symmetrically arranged on the left side and the right side of the upper portion in the filter box.
As a further scheme of the invention: the bottom sets up air detector in the deodorization box, air detector detects the gas of deodorization incasement, deodorization case left side sets up the recovery tube, one side extension connection to the rose box of deodorization case is kept away from to the recovery tube in, all set up control flap between recovery tube and blast pipe.
As a still further scheme of the invention: the driving motor is a stepping motor.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides an industrial waste gas filtration equipment, snakelike cooling tube carries out cooling to the industrial waste gas of carrying to the rose box, solid particle in one-level filter screen and the second grade filter screen in to industrial waste gas filters, driving motor drives the master gear and rotates, both sides pinion gear rotates about the master gear drives, the pinion gear drives the screw rod and rotates, the nut drives the cleaning brush and removes at one-level filter screen and second grade filter screen surface, detach one-level filter screen and the adnexed dust of second grade filter screen surface, the water pump passes through the raceway with the water transport to the watering shower nozzle in the snakelike cooling tube, the watering shower nozzle sprays water to the rose box in, filter solid particle impurity in the industrial waste gas, the rose box filters nitrogen oxide and sulphide in to industrial waste gas, effectively avoid in the waste gas that impurity particle blocks up the filter screen, purification efficiency is higher.
Drawings
Fig. 1 is a schematic structural view of an industrial waste gas filtering apparatus.
Fig. 2 is a schematic structural diagram of an adsorption plate in an industrial waste gas filtering device.
Fig. 3 is a schematic structural view of a purification box in an industrial waste gas filtering apparatus.
Fig. 4 is a schematic three-dimensional structure diagram of an adsorption plate in an industrial waste gas filtering device.
In the figure: 1-a filter box; 2-an activated carbon adsorption layer; 3-a sprinkler head; 4-a secondary filter screen; 5-protective shell; 6-main gear; 7-driving a motor; 8-pinion gear; 9-a water inlet pipe; 10-a draught fan; 11-an exhaust gas conduit; 12-serpentine cooling tubes; 13-a screw; 14-first-stage filter screen; 15-controlling a water valve; 16-a water outlet pipe; 17-a filter plate; 18-a water storage tank; 19-a recovery pipe; 20-a deodorizing layer; 21-drying box; 22-a suction fan; 23-a delivery pipe; 24-ultraviolet germicidal lamp; 25-water conveying pipe; 26-a cleaning brush; 27-a nut; 28-dust adsorption plate; 29-rotating rods; 30-a water pump; 31-a purification box; 32-a deodorization box; 33-a control valve; 34-exhaust pipe.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-4, an industrial waste gas filtering device comprises a filtering box 1 and a purifying box 31, wherein a draught fan 10 is arranged on the left side of the bottom of the filtering box 1, the left side of the draught fan 10 is connected with a waste gas pipeline 11, the outer side of the waste gas pipeline 11 is connected with an industrial waste gas emission device, the right side of the waste gas pipeline 11 is connected to the inside of the filtering box 1 in an extending manner, the draught fan 10 conveys industrial waste gas into the filtering box 1 through the waste gas pipeline 11, a water inlet pipe 9 is arranged above the draught fan 10, the water inlet pipe 9 penetrates through the right side wall of the filtering box 1 to extend and connect with a serpentine cooling pipe 12, the water inlet pipe 9 conveys external cooling water to the serpentine cooling pipe 12, the serpentine cooling pipe 12 cools the industrial waste gas conveyed into the filtering box 1, a primary filter screen 14 is arranged above the serpentine cooling pipe 12, and a, the utility model discloses a filter box, including filter box 1, one-level filter screen 14, second grade filter screen 4, one-level filter screen 14 and second grade filter screen 4, solid particle in one-level filter screen 14 and second grade filter screen 4 filter industrial waste gas, in order to avoid solid particle in the industrial waste gas to block up one-level filter screen 14 and second grade filter screen 4, filter box 1 left side sets up driving motor 7, the terminal fixed connection master gear 6 of driving motor 7 output shaft, master gear 6 bilateral symmetry sets up pinion 8 from top to bottom, pinion 8 meshes with master gear 6, master gear 6 all is connected with filter box 1 left side wall rotation with pinion 8, upper and lower both sides the equal fixed connection screw rod 13 in pinion 8 right side, screw rod 13 is connected with filter box 1 inner wall rotation, screw rod 13 surface sets up nut 27, nut 27 can remove about the horizontal direction along with screw rod 13's rotation, the nut 27 is fixedly connected with a cleaning brush 26, the upper and lower ends of the cleaning brush 26 are respectively contacted with the secondary filter screen 4 and the primary filter screen 14, the surface of the right side wall of the filter box 1 is provided with a water pump 30, the water pump 30 is connected with a water pipe 25, the bottom of the water pipe 25 penetrates through the right side wall of the filter box 1 to be connected with the serpentine cooling pipe 12, the top end of the water pipe 25 extends into the filter box 1, the bottom of the water pipe 25 in the filter box 1 is equidistantly provided with water spraying collision heads 3, the water pump 30 conveys the water in the serpentine cooling pipe 12 to the water spraying nozzles 3 through the water pipe 25, the water spraying nozzles 3 spray the water into the filter box 1 to filter solid particle impurities in the industrial waste gas, the upper part in the filter box 1 is provided with an active carbon adsorption layer 2, the top wall 21 is arranged in the filter box 1, and the drying box 21 dries the industrial waste gas after primary filtration, suction fan 22 is connected to stoving case 21 top, suction fan 22 is connected with purifying box 31 through conveyer pipe 23, the industrial waste gas after suction fan 22 will be dried is carried to purifying box 31, purifying box 31 carries out filtration purification to nitrogen oxide and sulphide in the industrial waste gas, purifying box 31 bottom sets up deodorization case 32, set up deodorization layer 20 in the deodorization case 32, deodorization case 32 bottom sets up blast pipe 34, and the industrial waste gas after the deodorization is discharged from blast pipe 34.
Further, in order to collect and treat the sprayed water in the filter tank 1 in a unified manner, in this embodiment, a water storage tank 18 is arranged below the filter tank 1, the water storage tank 18 is connected with the filter tank 1 through a water outlet pipe 16, a control water valve 15 is arranged in the water outlet pipe 16, a filter plate 17 is arranged in the water storage tank 18, and the filter plate 17 filters solid impurities in the water.
Further, in order to protect the driving motor 7, in this embodiment, a protective shell 5 is disposed outside the driving motor 7, and the protective shell 5 is fixedly connected to the left side wall of the filter box 1.
Further, in order to improve the filter effect of rose box 1 to impurity in the industrial waste gas, in this embodiment, 6 fixed connection dwang 29 in the master gear, dwang 29 extends to and is connected to in the rose box 1, dwang 29 and the rotation of 1 inner wall of rose box are connected, the dwang 29 outside sets up dust adsorption plate 28, driving motor 7 drives 6 rotations in the master gear, master gear 6 drives dwang 29 and dust adsorption plate 28 and rotates, adsorbs the tiny dust in the industrial waste gas.
Further, in order to sterilize the industrial waste gas. In this embodiment, the ultraviolet sterilizing lamps 24 are symmetrically arranged at the left side and the right side of the upper part in the filter box 1.
Furthermore, in order to detect industrial waste gas, in this embodiment, an air detector 36 is disposed at the bottom of the deodorization tank 32, the air detector 36 detects gas in the deodorization tank 32, a recovery pipe 19 is disposed on the left side of the deodorization tank 32, one side of the recovery pipe 19 away from the deodorization tank 32 extends and is connected to the inside of the filtering tank 1, control valves 33 are disposed between the recovery pipe 19 and the exhaust pipe 34, when the gas detected by the air detector 36 is qualified, the control valve 33 in the recovery pipe 19 is closed, the control valve 33 in the exhaust pipe 34 is opened, so that the gas is discharged from the exhaust pipe 34, when the gas detected by the air detector 36 is unqualified, the control valve 33 in the exhaust pipe 34 is closed, and the control valve 33 in the recovery pipe 19 is opened, so that the gas enters the filtering tank 1 again for filtering.
Example 2
Referring to fig. 1-2, in order to remove the impurities attached to the surfaces of the primary filter screen 14 and the secondary filter screen 14 based on embodiment 1, the driving motor 7 rotates, the driving motor 7 drives the main gear 6 to rotate, the main gear 6 drives the upper and lower side pinions 8 to rotate, the pinions 8 drive the screw 13 to rotate, and the nut 27 drives the cleaning brush 26 to move on the surfaces of the primary filter screen 14 and the secondary filter screen 4, so as to remove the dust attached to the surfaces of the primary filter screen 14 and the secondary filter screen 4.
Further, in order to adjust the rotation of the screw 13 in real time, in this embodiment, the driving motor 7 is a stepping motor.
The working principle of the invention is as follows: the utility model provides an industrial waste gas filtration equipment, draught fan 10 carries industrial waste gas to rose box 1 in through exhaust gas duct 11, inlet tube 9 carries external cooling water to snakelike cooling tube 12, snakelike cooling tube 12 carries out cooling to the industrial waste gas of carrying in the rose box 1, one-level filter screen 14 and second grade filter screen 4 filter the solid particle in the industrial waste gas, rotate through driving motor 7, driving motor 7 drives master gear 6 and rotates, both sides pinion 8 rotates about master gear 6 drives, pinion 8 drives screw 13 and rotates, nut 27 drives cleaning brush 26 and removes at one-level filter screen 14 and second grade filter screen 4 surface, with one-level filter screen 14 and the adnexed dust in second grade filter screen 4 surface, water pump 30 carries the water in snakelike cooling tube 12 to watering shower nozzle 3 through raceway 25, the water spraying nozzle 3 sprays water into the filter box 1 to filter solid particle impurities in industrial waste gas, the purification box 31 filters and purifies nitrogen oxides and sulfides in the industrial waste gas, after the air detector 36 detects that the gas is qualified, the control valve 33 in the recovery pipe 19 is closed, the control valve 33 in the exhaust pipe 34 is opened to discharge the gas from the exhaust pipe 34, and after the detection is unqualified, the control valve 33 in the exhaust pipe 34 is closed, the control valve 33 in the recovery pipe 19 is opened to enable the gas to enter the filter box 1 again for filtering.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides an industrial waste gas filtration equipment, includes rose box (1) and purifying box (31), its characterized in that, rose box (1) bottom left side sets up draught fan (10), draught fan (10) left side connection exhaust gas pipeline (11), the exhaust gas pipeline (11) outside is connected with industrial waste gas emission equipment, exhaust gas pipeline (11) right side extends to be connected to inside rose box (1), draught fan (10) top sets up inlet tube (9), inlet tube (9) pass rose box (1) right side wall and extend to connect serpentine cooling pipe (12), serpentine cooling pipe (12) top sets up one-level filter screen (14), the interior top of rose box (1) sets up second grade filter screen (4), one-level filter screen (1) (4) and second grade filter screen (4) all with rose box (1) inner wall fixed connection, rose box (1) left side sets up driving motor (7), the tail end of an output shaft of the driving motor (7) is fixedly connected with a main gear (6), the upper side and the lower side of the main gear (6) are symmetrically provided with pinions (8), the pinions (8) are meshed with the main gear (6), the main gear (6) and the pinions (8) are rotatably connected with the left side wall of the filter box (1), the upper side and the lower side of the pinions (8) are fixedly connected with screws (13), the screws (13) are rotatably connected with the inner wall of the filter box (1), the surface of each screw (13) is provided with a nut (27), the nut (27) is fixedly connected with a cleaning brush (26), the tail ends of the cleaning brush (26) are respectively contacted with a secondary filter screen (4) and a primary filter screen (14), the surface of the right side wall of the filter box (1) is provided with a water pump (30), the water pump (30) is connected with a water pipe (25), the bottom of the water pipe (25) penetrates through the right side wall of the filter box (1) and, terminal extension in raceway (25) top is connected to in rose box (1), raceway (25) bottom equidistance sets up the watering and bumps head (3) in rose box (1), the top sets up activated carbon adsorption layer (2) in rose box (1), set up stoving case (21) in rose box (1) roof, suction fan (22) is connected to stoving case (21) top, suction fan (22) are connected with purifying box (31) through conveyer pipe (23), purifying box (31) bottom sets up deodorizing box (32), set up deodorizing layer (20) in deodorizing box (32), deodorizing box (32) bottom sets up blast pipe (34).
2. The industrial waste gas filtering equipment according to the claim 1, characterized in that a water storage tank (18) is arranged below the filtering tank (1), the water storage tank (18) is connected with the filtering tank (1) through a water outlet pipe (16), a control water valve (15) is arranged in the water outlet pipe (16), and a filter plate (17) is arranged in the water storage tank (18).
3. The industrial waste gas filtering device according to claim 1, wherein a protective shell (5) is arranged outside the driving motor (7), and the protective shell (5) is fixedly connected with the left side wall of the filtering box (1).
4. The industrial waste gas filtering device according to claim 1, wherein the main gear (6) is fixedly connected with a rotating rod (29), the rotating rod (29) is connected into the filtering box (1) in an extending way, the rotating rod (29) is connected with the inner wall of the filtering box (1) in a rotating way, and a dust adsorption plate (28) is arranged outside the rotating rod (29).
5. The industrial waste gas filtering equipment according to the claim 1 or 2, characterized in that the ultraviolet sterilizing lamps (24) are symmetrically arranged at the upper left and right sides in the filtering box (1).
6. The industrial waste gas filtering equipment according to the claim 1, characterized in that an air detector (36) is arranged at the bottom in the deodorizing tank (32), the air detector (36) detects the gas in the deodorizing tank (32), a recovery pipe (19) is arranged at the left side of the deodorizing tank (32), one side of the recovery pipe (19) far away from the deodorizing tank (32) extends and is connected into the filtering tank (1), and a control valve (33) is arranged between the recovery pipe (19) and the exhaust pipe (34).
7. An industrial exhaust gas filtering device according to claim 1 or 3, characterized in that the drive motor (7) is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765397.9A CN111871129A (en) | 2020-08-03 | 2020-08-03 | Industrial waste gas filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765397.9A CN111871129A (en) | 2020-08-03 | 2020-08-03 | Industrial waste gas filtration equipment |
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| Publication Number | Publication Date |
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| CN111871129A true CN111871129A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010765397.9A Pending CN111871129A (en) | 2020-08-03 | 2020-08-03 | Industrial waste gas filtration equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246027A (en) * | 2020-12-03 | 2021-01-22 | 南京多脉智能设备有限公司 | Exhaust device with multistage filtering function for industrial machine and application of exhaust device |
| CN112791546A (en) * | 2020-12-17 | 2021-05-14 | 陈珊珊 | Industrial VOC waste gas combustion processing device |
| CN112808733A (en) * | 2021-01-06 | 2021-05-18 | 江西省兰博名家科技咨询服务有限公司 | Industrial waste gas treatment purifier |
| CN113058337A (en) * | 2021-03-26 | 2021-07-02 | 焦作大学 | Detection apparatus for chemical waste gas for environmental protection |
| CN113413728A (en) * | 2021-07-28 | 2021-09-21 | 合肥康尔信电力系统有限公司 | Diesel generator waste gas purification treatment device and treatment method |
| CN113975924A (en) * | 2020-12-25 | 2022-01-28 | 山东天智信息科技有限公司 | Waste gas purification method based on cement production process |
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| WO2000001470A1 (en) * | 1998-06-30 | 2000-01-13 | Centre De Recherche Industrielle Du Quebec | Method for the biological purification of waste waters and waste gases and biofilter therefor |
| CN207894144U (en) * | 2018-02-26 | 2018-09-21 | 江西千多多家具有限公司 | A kind of Efficient Wood dry kiln |
| CN207899196U (en) * | 2018-01-24 | 2018-09-25 | 宋传玲 | A kind of acid waste gas processing unit |
| CN208357368U (en) * | 2018-05-09 | 2019-01-11 | 深圳市科泰超声自动化设备有限公司 | One kind being used for the clean supersonic wave cleaning machine of industrial part |
| CN209423253U (en) * | 2018-12-13 | 2019-09-24 | 苏州敬天爱人环境科技有限公司 | A kind of Combined industry oil smoke filtrating equipment of flue gas |
| CN209791654U (en) * | 2019-02-25 | 2019-12-17 | 南通新玮镍钴科技发展有限公司 | Dust removal device of pulverizer |
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| WO2000001470A1 (en) * | 1998-06-30 | 2000-01-13 | Centre De Recherche Industrielle Du Quebec | Method for the biological purification of waste waters and waste gases and biofilter therefor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246027A (en) * | 2020-12-03 | 2021-01-22 | 南京多脉智能设备有限公司 | Exhaust device with multistage filtering function for industrial machine and application of exhaust device |
| CN112791546A (en) * | 2020-12-17 | 2021-05-14 | 陈珊珊 | Industrial VOC waste gas combustion processing device |
| CN113975924A (en) * | 2020-12-25 | 2022-01-28 | 山东天智信息科技有限公司 | Waste gas purification method based on cement production process |
| CN113975924B (en) * | 2020-12-25 | 2022-10-25 | 唐山市众山环保科技有限公司 | Waste gas purification method based on cement production process |
| CN112808733A (en) * | 2021-01-06 | 2021-05-18 | 江西省兰博名家科技咨询服务有限公司 | Industrial waste gas treatment purifier |
| CN113058337A (en) * | 2021-03-26 | 2021-07-02 | 焦作大学 | Detection apparatus for chemical waste gas for environmental protection |
| CN113413728A (en) * | 2021-07-28 | 2021-09-21 | 合肥康尔信电力系统有限公司 | Diesel generator waste gas purification treatment device and treatment method |
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