CN112403160A - Environment-friendly flue gas dust collector - Google Patents
Environment-friendly flue gas dust collector Download PDFInfo
- Publication number
- CN112403160A CN112403160A CN202011248317.9A CN202011248317A CN112403160A CN 112403160 A CN112403160 A CN 112403160A CN 202011248317 A CN202011248317 A CN 202011248317A CN 112403160 A CN112403160 A CN 112403160A
- Authority
- CN
- China
- Prior art keywords
- dust removal
- flue gas
- filter screen
- rod
- environment
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an environment-friendly flue gas dust removal device, which comprises a dust removal barrel and a flue gas inlet channel, wherein a dust removal filter screen with an inverted cone-shaped structure is arranged in the dust removal barrel, an annular supporting plate for rotatably mounting the dust removal filter screen is also arranged on the inner wall of the dust removal barrel, a connecting rod shaft is arranged in the center of the dust removal barrel, the bottom of the connecting rod shaft is fixedly connected with the center of the dust removal filter screen, a rotating motor is arranged at the top of the dust removal barrel, the top of the connecting rod shaft is driven to rotate by the rotating motor arranged at the top of the dust removal barrel, a scraping rod positioned on the outer side of the dust removal filter screen is also arranged in the dust removal barrel, brushes are distributed on the rod wall of the. The utility model discloses simple structure, it effectively clears away the dust granule in the smoke and dust through the filtration of toper filter screen and water to utilize the rotation of toper filter screen and the brush body and avoid its jam, improve the feature of environmental protection, simple operation and practicality are stronger.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to an environment-friendly flue gas dust removal device.
Background
Flue gas is a mixture of gas and smoke dust and is the main cause of atmospheric pollution in residential areas. The components of the flue gas are complex, the gas comprises water vapor, SO2, N2, O2, CO2 hydrocarbon, nitrogen oxide and the like, and the smoke comprises ash, coal particles, oil drops, pyrolysis products and the like of the fuel. Therefore, the pollution of the flue gas to the environment is the composite pollution of various poisons. The hazard of smoke to human bodies is related to the size of particles, most of which are fly ash with the diameter less than 10 microns, and particularly the fly ash with the diameter of 1-2.5 microns is the most harmful to human bodies.
The particles such as dust and the like doped in the smoke exhaust chamber are required to be removed, the existing dust removal device basically adopts a filter screen for filtration, but the filter screen is easy to filter, so that the dust particles are placed in sieve holes to cause the problem of blockage.
Disclosure of Invention
The invention aims to provide an environment-friendly flue gas dust removal device to achieve the aim.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly flue gas dust removal device comprises a dust removal barrel and a flue gas inlet channel, wherein the flue gas inlet channel extends into the dust removal barrel from the side wall of the dust removal barrel, the port of the flue gas inlet channel is positioned in water stored in the dust removal barrel, a dust removal filter screen with an inverted cone-shaped structure is arranged in the dust removal barrel, an annular support plate for rotatably mounting the dust removal filter screen is further arranged on the inner wall of the dust removal barrel, the edge of the annular support plate is fixedly connected with the side wall of the dust removal barrel, a connecting rod shaft is arranged in the center of the dust removal barrel, the bottom of the connecting rod shaft is fixedly connected with the center of the dust removal filter screen, a rotating motor is arranged at the top of the dust removal barrel, the top of the connecting rod shaft is driven to rotate by the rotating motor arranged at the top of the dust removal barrel, the scraping rod is arranged on the side wall of the dust removal cylinder body through a fixed support.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: an exhaust connecting end is arranged on the side wall of the top of the dust removal cylinder body and is connected with an exhaust channel; the dust removal device is characterized in that a vacuum rod is further arranged between the top of the connecting rod shaft and the rotating motor and penetrates through the top of the dust removal barrel, a rotating sleeve rotatably mounted at the top of the dust removal barrel is arranged on the outer wall of the vacuum rod and is in transmission connection with the output end of the rotating motor through a gear transmission pair, the top end of the connecting rod shaft is fixedly connected with the bottom end of the vacuum rod, two lower guide rods communicated with the inside of the vacuum rod are further arranged on the side wall of the vacuum rod, a plurality of spray holes are distributed in the lower rod wall of each lower guide rod, a water pump is arranged at the bottom of the dust removal barrel, a water guide pipe is arranged at the.
In one alternative: the inside lower filter screen that still is provided with below the surface of water of dust removal barrel and the port that flue gas access passage stretched into the inside of dust removal barrel is located the vacuum rod top.
In one alternative: the upper end part of the annular supporting plate is provided with an installation ring groove, and the edge of the top of the dust removal filter screen is provided with a rolling convex seat which rolls in the installation ring groove in an annular mode.
In one alternative: the lower guide rods are arranged in a downward inclined mode, and the two lower guide rods are staggered.
In one alternative: the side wall of the dust removal barrel is also provided with a side sealing door and a fixed support is arranged on the side sealing door.
In one alternative: the bottom of the connecting rod shaft penetrates through the dust removal filter screen and extends into the water in the dust removal cylinder, and a plurality of exhaust connecting ends are arranged at the bottom end of the connecting rod shaft.
Compared with the prior art, the invention has the following beneficial effects:
the device flue gas can upwards flow and further filter through the sieve mesh of dust removal filter screen after the dirt of straining of water, the jam that slows down the dust removal filter screen is set up in order to increase filterable area to the conical body of dust removal filter screen, rotating electrical machines passes through the vice drive connecting rod axle rotation of gear drive and makes the dust removal filter screen rotate, the rotation of dust removal filter screen is scraped pole and brush body because of its outside setting and is made the brush body clear up the adnexed granule in dust removal filter screen surface, thereby effectively avoid the dust removal filter screen to block up in the dust filtering process to the clearance, the granule of whereabouts can adsorb the granule in the smoke and dust that is upwards flowing, further filter the dust. The utility model discloses simple structure, it effectively clears away the dust granule in the smoke and dust through the filtration of toper filter screen and water to utilize the rotation of toper filter screen and the brush body and avoid its jam, improve the feature of environmental protection, simple operation and practicality are stronger.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.
Fig. 3 is a schematic view of the mounting structure of the lower guide bar according to the present invention.
Notations for reference numerals: the device comprises a dust removal cylinder body 1, a flue gas inlet channel 2, a dust removal filter screen 3, an annular supporting plate 4, an installation ring groove 5, a rolling convex seat 6, a connecting rod shaft 7, a rotating motor 8, a gear transmission pair 9, a vacuum rod 10, a rotating sleeve 11, a scraping rod 12, a brush body 13, a side sealing door 14, a fixed support 15, a lower guide rod 16, a spray hole 17, a lower filter screen 18, a water pump 19, a water guide pipe 20, a rotating connecting pipe 21 and an exhaust connecting end 22.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, an environment-friendly flue gas dust removal device includes a dust removal cylinder 1 and a flue gas inlet channel 2, the flue gas inlet channel 2 extends into the dust removal cylinder 1 from a side wall of the dust removal cylinder 1, and a port of the flue gas inlet channel 2 is located in water stored in the dust removal cylinder 1, a dust removal filter screen 3 with an inverted cone-shaped structure is disposed in the dust removal cylinder 1, an annular support plate 4 for rotatably mounting the dust removal filter screen 3 is further disposed on an inner wall of the dust removal cylinder 1, an edge of the annular support plate 4 is fixedly connected with the side wall of the dust removal cylinder 1, a connecting rod shaft 7 is disposed in a center of the dust removal cylinder 1, a bottom of the connecting rod shaft 7 is fixedly connected with a center of the dust removal filter screen 3, a rotating motor 8 is disposed at a top, a scraping rod 12 positioned outside the dust removal filter screen 3 is further arranged inside the dust removal cylinder 1, brush bodies 13 are distributed on the rod wall of the scraping rod 12 facing the dust removal filter screen 3, and the scraping rod 12 is installed on the side wall of the dust removal cylinder 1 through a fixed support 15;
the flue gas enters the water in the dust removal cylinder 1 from the flue gas inlet channel 2, water can adsorb a part of heavier dust particles attached in the flue gas, the flue gas can flow upwards after dust filtration of the water and further filter the flue gas through the sieve pores of the dust removal filter screen 3, the conical body of the dust removal filter screen 3 is arranged to increase the filtering area and slow down the blockage of the dust removal filter screen 3, the rotary motor 8 drives the connecting rod shaft 7 to rotate through the gear transmission pair 9 so as to enable the dust removal filter screen 3 to rotate, the rotation of the dust removal filter screen 3 enables the brush body 13 to clean particles attached to the outer surface of the dust removal filter screen 3 due to the scraping rod 12 and the brush body 13 arranged on the outer side of the rotation of the dust removal filter screen 3, and therefore the blockage of the dust removal filter screen 3 is effectively avoided in the dust filtering process, and the falling particles can adsorb the particles;
an exhaust connecting end 22 is arranged on the side wall of the top of the dust removing cylinder body 1, and the exhaust connecting end 22 is connected with an exhaust channel; a vacuum rod 10 is further arranged between the top of the connecting rod shaft 7 and the rotary motor 8, the vacuum rod 10 penetrates through the top of the dust removal cylinder body 1, a rotating sleeve 11 rotatably mounted at the top of the dust removal cylinder body 1 is arranged on the outer wall of the vacuum rod 10, the rotating sleeve 11 is in transmission connection with the output end of the rotary motor 8 through a gear transmission pair 9, the top end of the connecting rod shaft 7 is fixedly connected with the bottom end of the vacuum rod 10, two lower guide rods 16 communicated with the inside of the vacuum rod 10 are further arranged on the side wall of the vacuum rod 10, a plurality of spray holes 17 are distributed on the lower rod wall of the lower guide rods 16, a water pump 19 is arranged at the bottom of the dust removal cylinder body 1, a water guide pipe 20 is arranged at the liquid outlet end; the vacuum rod 10 is driven by the rotating motor 8 to rotate so as to enable the lower guide rod 16 and the spray holes 17 to rotate, meanwhile, the water pump 19 pumps water at the bottom of the dust removal cylinder 1 into the vacuum rod 10, then the water flows into the lower guide rod 16 and is sprayed out through the spray holes 17, the spray holes 17 spray water in a rotating manner so that smoke filtered by the dust removal filter screen 3 absorbs dust in the smoke again through scattered water drops, the dust removal effect is further improved, and dust particles attached to the dust removal filter screen 3 can be taken away when the smoke falls onto the dust removal filter screen 3 underwater and falls through the sieve holes of the dust removal filter screen 3; the inside of the dust removing cylinder body 1 is also provided with a lower filter screen 18 which is positioned below the water surface, the port of the flue gas inlet channel 2 extending into the dust removing cylinder body 1 is positioned above the vacuum rod 10, the lower filter screen 18 is arranged to filter particles in water, and a water pump 19 is convenient to pump water without dust particles at the bottom to the spray hole 17 for spraying, so that the water guide pipe 20 and the spray hole 17 are prevented from being blocked;
the upper end part of the annular supporting plate 4 is provided with a mounting ring groove 5, and the edge of the top of the dust removal filter screen 3 is provided with a rolling convex seat 6 which rolls in the mounting ring groove 5 in an annular manner; the friction is reduced by the annular rolling of the rolling convex seat 6 in the mounting ring groove 5; the lower guide rods 16 are arranged in a downward inclined mode, and the two lower guide rods 16 are staggered;
the side wall of the dust removing cylinder body 1 is also provided with a side sealing door 14, a fixing bracket 15 is installed on the side sealing door 14, and the scraping rod 12 and the brush body 13 are taken out and replaced and cleaned by opening the side sealing door 14.
Example 2
The embodiment of the invention is different from the embodiment 1 in that: the bottom of the connecting rod shaft 7 penetrates through the dust removal filter screen 3 and extends into the water in the dust removal cylinder 1, the bottom end of the connecting rod shaft 7 is provided with a plurality of exhaust connecting ends 22, and when the connecting rod shaft 7 rotates, the exhaust connecting ends 22 are driven to rotate to stir the water in the dust removal cylinder 1, so that the water is fully contacted with smoke gas, and the dust removal effect of the water is improved.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. An environment-friendly flue gas dust removal device comprises a dust removal barrel body (1) and a flue gas inlet channel (2), wherein the flue gas inlet channel (2) extends into the dust removal barrel body (1) from the side wall of the dust removal barrel body (1), the port of the flue gas inlet channel (2) is positioned in water stored in the dust removal barrel body (1), the environment-friendly flue gas dust removal device is characterized in that a dust removal filter screen (3) with an inverted cone-shaped structure is arranged in the dust removal barrel body (1), an annular supporting plate (4) used for rotatably mounting the dust removal filter screen (3) is further arranged on the inner wall of the dust removal barrel body (1), the edge of the annular supporting plate (4) is fixedly connected with the side wall of the dust removal barrel body (1), a connecting rod shaft (7) is arranged in the center in the dust removal barrel body (1), the bottom of the connecting rod shaft (7) is, the top of the connecting rod shaft (7) is driven to rotate by a rotating motor (8) arranged at the top of the dust removal cylinder body (1), a scraping rod (12) located on the outer side of the dust removal filter screen (3) is further arranged inside the dust removal cylinder body (1), a brush body (13) is distributed on the rod wall of the scraping rod (12) facing the dust removal filter screen (3), and the scraping rod (12) is installed on the side wall of the dust removal cylinder body (1) through a fixing support (15).
2. The environment-friendly flue gas dust removal device according to claim 1, wherein the side wall of the top of the dust removal cylinder (1) is provided with an exhaust connection end (22), and the exhaust connection end (22) is connected with an exhaust channel; a vacuum rod (10) is arranged between the top of the connecting rod shaft (7) and the rotating motor (8), the vacuum rod (10) penetrates through the top of the dust removing cylinder body (1), a rotating sleeve (11) which is rotatably arranged at the top of the dust removing cylinder body (1) is arranged on the outer wall of the vacuum rod (10), the rotating sleeve (11) is in transmission connection with the output end of the rotating motor (8) through a gear transmission pair (9), the top end of the connecting rod shaft (7) is fixedly connected with the bottom end of the vacuum rod (10), the side wall of the vacuum rod (10) is also provided with two lower guide rods (16) communicated with the inside, the lower rod wall of each lower guide rod (16) is distributed with a plurality of spray holes (17), the bottom of the dust removal barrel body (1) is provided with a water pump (19), the liquid outlet end of the water pump (19) is provided with a water guide pipe (20), and one end of the water guide pipe (20) is communicated with the top of the vacuum rod (10) through a rotating connecting pipe (21).
3. The environment-friendly flue gas dust removal device according to claim 2, wherein the interior of the dust removal cylinder (1) is further provided with a lower filter screen (18) below the water surface, and the port of the flue gas inlet channel (2) extending into the interior of the dust removal cylinder (1) is located above the vacuum rod (10).
4. The environment-friendly flue gas dust removal device according to claim 2, wherein the annular supporting plate (4) is provided with a mounting ring groove (5) at the upper end, and the top edge of the dust removal filter screen (3) is provided with a rolling convex seat (6) which rolls annularly inside the mounting ring groove (5).
5. The environment-friendly flue gas dust removal device according to claim 4, wherein the lower guide rods (16) are arranged obliquely downwards, and the two lower guide rods (16) are staggered.
6. The environment-friendly flue gas dust removal device according to claim 1, wherein the side wall of the dust removal cylinder (1) is further provided with a side sealing door (14) and the fixing bracket (15) is installed on the side sealing door (14).
7. The environment-friendly flue gas dust removal device according to claim 4, wherein the bottom of the connecting rod shaft (7) penetrates through the dust removal filter screen (3) and extends into the water inside the dust removal cylinder (1), and the bottom end of the connecting rod shaft (7) is provided with a plurality of exhaust connecting ends (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248317.9A CN112403160A (en) | 2020-11-10 | 2020-11-10 | Environment-friendly flue gas dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248317.9A CN112403160A (en) | 2020-11-10 | 2020-11-10 | Environment-friendly flue gas dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112403160A true CN112403160A (en) | 2021-02-26 |
Family
ID=74781742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011248317.9A Pending CN112403160A (en) | 2020-11-10 | 2020-11-10 | Environment-friendly flue gas dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112403160A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188137A (en) * | 2021-04-28 | 2021-07-30 | 刘泽淳 | Gardens leaf is smashed and is burned recovery unit |
| CN113577966A (en) * | 2021-08-19 | 2021-11-02 | 界首市振航塑料机械有限公司 | Visual plastics granulation flue gas intelligent processing device |
| CN113957692A (en) * | 2021-11-05 | 2022-01-21 | 张家港佳和馨家居有限公司 | Ground mat cutter with automatically cleaning effect |
| CN117208856A (en) * | 2023-10-26 | 2023-12-12 | 唐山三友新材料股份有限公司 | Sulfur dioxide supply device and method for bromine production |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204755086U (en) * | 2015-05-27 | 2015-11-11 | 重庆中节能三峰能源有限公司 | Gas turbine air filter |
| CN207356832U (en) * | 2017-09-27 | 2018-05-15 | 杨涵 | The pulverizer dust absorbing device that a kind of water resource recycles |
| CN109260845A (en) * | 2018-11-20 | 2019-01-25 | 王明玉 | A kind of environment-friendly type industrial waste-gas purifier and exhaust gas purifying method |
| CN208824115U (en) * | 2018-05-30 | 2019-05-07 | 辜丽苹 | A kind of construction dust-extraction unit |
| CN209934375U (en) * | 2019-04-24 | 2020-01-14 | 鲁南煤化工研究院 | Chemical waste gas purification device |
| CN111013306A (en) * | 2019-12-31 | 2020-04-17 | 国网河北省电力有限公司 | Inside dust treatment equipment of power supply station |
| CN111603863A (en) * | 2020-06-20 | 2020-09-01 | 百色皓海碳素有限公司 | Flue gas purification device of prebaked anode roasting furnace |
| CN111871127A (en) * | 2020-08-01 | 2020-11-03 | 江西千多多家具有限公司 | Industrial waste gas treatment system |
-
2020
- 2020-11-10 CN CN202011248317.9A patent/CN112403160A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204755086U (en) * | 2015-05-27 | 2015-11-11 | 重庆中节能三峰能源有限公司 | Gas turbine air filter |
| CN207356832U (en) * | 2017-09-27 | 2018-05-15 | 杨涵 | The pulverizer dust absorbing device that a kind of water resource recycles |
| CN208824115U (en) * | 2018-05-30 | 2019-05-07 | 辜丽苹 | A kind of construction dust-extraction unit |
| CN109260845A (en) * | 2018-11-20 | 2019-01-25 | 王明玉 | A kind of environment-friendly type industrial waste-gas purifier and exhaust gas purifying method |
| CN209934375U (en) * | 2019-04-24 | 2020-01-14 | 鲁南煤化工研究院 | Chemical waste gas purification device |
| CN111013306A (en) * | 2019-12-31 | 2020-04-17 | 国网河北省电力有限公司 | Inside dust treatment equipment of power supply station |
| CN111603863A (en) * | 2020-06-20 | 2020-09-01 | 百色皓海碳素有限公司 | Flue gas purification device of prebaked anode roasting furnace |
| CN111871127A (en) * | 2020-08-01 | 2020-11-03 | 江西千多多家具有限公司 | Industrial waste gas treatment system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188137A (en) * | 2021-04-28 | 2021-07-30 | 刘泽淳 | Gardens leaf is smashed and is burned recovery unit |
| CN113188137B (en) * | 2021-04-28 | 2024-01-23 | 浙江嘉瑞机械有限公司 | Garden leaf crushing, burning and recycling device |
| CN113577966A (en) * | 2021-08-19 | 2021-11-02 | 界首市振航塑料机械有限公司 | Visual plastics granulation flue gas intelligent processing device |
| CN113957692A (en) * | 2021-11-05 | 2022-01-21 | 张家港佳和馨家居有限公司 | Ground mat cutter with automatically cleaning effect |
| CN117208856A (en) * | 2023-10-26 | 2023-12-12 | 唐山三友新材料股份有限公司 | Sulfur dioxide supply device and method for bromine production |
| CN117208856B (en) * | 2023-10-26 | 2024-02-23 | 唐山三友新材料股份有限公司 | Sulfur dioxide supply device and method for bromine production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112403160A (en) | Environment-friendly flue gas dust collector | |
| CN205435348U (en) | Waste gas treatment equipment | |
| CN209020121U (en) | A kind of environment monitoring device for quartz sand production and processing | |
| CN206027306U (en) | Automatic it imitates dust collector to wash rotatory silk screen height of cylindrical section | |
| CN111237792A (en) | Smoke-discharging anti-blocking filtering dust-removing device for boiler | |
| CN114146523A (en) | Air purification device for textile production workshop | |
| CN205760000U (en) | A kind of vertical self-washing filter with cone bottom shape housing | |
| CN217909656U (en) | Copper zinc is waste gas scrubbing tower for recovery process | |
| CN211176955U (en) | Oil smoke treatment device convenient to clean and used for outdoor barbecue | |
| CN210786681U (en) | Cleaning-free automatic dehydration purifier | |
| CN211585827U (en) | Air purification dust collecting equipment that building site of environmental protection was used | |
| CN212081338U (en) | Punching press formula active carbon oil smoke filter equipment | |
| CN209612429U (en) | A kind of automatic cleaning-type air purifier | |
| CN211070591U (en) | Water rotating type paint mist treatment equipment | |
| CN107708836B (en) | Haze absorption and purification vehicle | |
| CN206113146U (en) | Air purifier | |
| CN219647074U (en) | Purifying and washing tower for stone ore processing | |
| CN211963490U (en) | Automatic cleaning oil fume purifier with filter screen | |
| CN212039615U (en) | Oil smoke purifier with filter screen | |
| CN216677520U (en) | Low temperature is dust removal pipeline for flue gas | |
| CN221601537U (en) | Pulse dust collector | |
| CN219848648U (en) | Centralized treatment device for ammonia nitrogen-containing waste gas | |
| CN216320650U (en) | Oil fume dust remover equipment | |
| CN221015111U (en) | Chemical industry tail gas particulate matter filter equipment | |
| CN221397803U (en) | Coke oven with smoke prevention and dust control functions |
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 |