CN113559659A - High-efficient splitter of fine particles in flue gas - Google Patents
High-efficient splitter of fine particles in flue gas Download PDFInfo
- Publication number
- CN113559659A CN113559659A CN202110967005.1A CN202110967005A CN113559659A CN 113559659 A CN113559659 A CN 113559659A CN 202110967005 A CN202110967005 A CN 202110967005A CN 113559659 A CN113559659 A CN 113559659A
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- box body
- flue gas
- connecting pipe
- impeller
- fine particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/028—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by directing the gas through a wetted wire mesh or a perforated plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/08—Spray cleaning with rotary nozzles
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides high-efficiency separation equipment for fine particles in flue gas, relates to the technical field of flue gas purification, and solves the problems that the expansion of the spraying range of a spraying structure and the automatic rotation of the spraying structure cannot be realized through structural improvement; the problem that the contact efficiency of the flue gas and the liquid cannot be improved through structural improvement. An efficient separation device for fine particles in flue gas comprises a box body; the box body is of a rectangular box-shaped structure. Through the matching of the air inlet pipe and the impeller B, the impeller B is arranged on the connecting pipe A and is aligned with the head end of the air inlet pipe, so that the rotation of the impeller B can be realized through wind blowing when air enters the air inlet pipe, and the natural rotation of the connecting pipe A is further realized; through the setting of purification structure, firstly, install on connecting pipe A because of impeller A, and impeller A is located the outside of box to impeller A has constituteed connecting pipe A's wind-force drive structure, thereby can realize connecting pipe A's rotation under the blowing of natural wind-force.
Description
Technical Field
The invention belongs to the technical field of flue gas purification, and particularly relates to high-efficiency separation equipment for fine particles in flue gas.
Background
The converter gas is generated in the steelmaking production process of the converter, the main components of the converter gas are CO, CO2, O2, N2, Ar and the like, and the dust carried by the gas, such as FeO, Fe2O3, CaO, SiO2 and the like, the total dust content is 80g/Nm 3-150 g/Nm3, and the dust must be removed for utilization.
As in application No.: CN202011266068.6, the invention provides a high-temperature flue gas secondary particle separation device which can be arranged in a flue, the high-temperature flue gas secondary particle separation device comprises a shell, an ash bucket, a first separation component and a second separation component, and the shell is provided with an inlet, an outlet and an ash discharge port; the ash bucket is connected to the bottom wall of the shell; the first separation assembly is arranged in the shell and comprises at least two layers of first inclined plates, the included angle between each first inclined plate and the horizontal plane of the shell ranges from 30 degrees to 70 degrees, and each first inclined plate is connected with the shell through at least one first support rod; the second separation component is arranged in the shell and comprises at least two layers of second inclined plates, the included angle between each second inclined plate and the horizontal plane of the shell ranges from 30 degrees to 70 degrees, and each second inclined plate is connected with the shell through at least one second supporting rod. The invention can filter out large particle dust, foam slag and the like carried in explosive gas, and can reduce the dust accumulation and abrasion of subsequent heat exchange surfaces.
The high-efficiency separation equipment for fine particles in the flue gas similar to the above application has the following defects:
one is that the existing device can realize the spray purification of the flue gas, but cannot realize the expansion of the spray range of the spray structure and the automatic rotation of the spray structure through the structural improvement; moreover, although the existing device can realize liquid filtration of the flue gas, the contact efficiency of the flue gas and the liquid cannot be improved through structural improvement; finally, the prior art devices do not allow for the combined use of two purification structures through structural improvements.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an efficient separation device for fine particulate matters in flue gas is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides high-efficiency separation equipment for fine particles in flue gas, which aims to solve the problem that the existing device can realize the spray purification of the flue gas, but cannot realize the expansion of the spray range of a spray structure and the automatic rotation of the spray structure through the structural improvement; moreover, although the existing device can realize liquid filtration of the flue gas, the contact efficiency of the flue gas and the liquid cannot be improved through structural improvement; finally, the prior device can not realize the combined use of two purification structures through structural improvement.
The invention relates to a purpose and an effect of high-efficiency separation equipment for fine particles in flue gas, which are achieved by the following specific technical means:
an efficient separation device for fine particles in flue gas comprises a box body;
the box body is of a rectangular box-shaped structure;
the box includes:
the cover plate is fixedly connected to the box body through bolts;
the air inlet pipe is arranged on the box body;
the purification structure is arranged on the box body;
and the filtering structure is arranged on the box body.
Further, the auxiliary structure includes:
the mounting block is welded on the top cover of the box body, and two elastic telescopic rods are mounted on the mounting block; the two elastic telescopic rods are provided with cleaning blocks, and the cleaning blocks are in elastic contact with the filter cotton;
the stress seat is arranged on the cleaning block, and the cleaning block is in elastic contact with the impeller A when the impeller A is in operation.
Further, the purification structure includes:
the connecting pipe A is rotatably connected to the cover plate and is connected with a water inlet pipe;
the spray pipes are arranged in six rows, the six spray pipes are welded on the connecting pipe A in an annular array shape, and the six spray pipes are communicated with the connecting pipe A.
Further, the purification structure further includes:
the spray pipes are cylindrical tubular structures, and the spray holes formed in the annular array form jointly form a diffusion spraying structure of the spray pipes.
Furthermore, the spray holes are in a conical hole structure, and the spray holes of the conical hole structure jointly form a further diffusion structure of the spray pipe.
Further, the purification structure further includes:
and the impeller A is arranged on the connecting pipe A and is positioned on the outer side of the box body, and the impeller A forms a wind power driving structure of the connecting pipe A.
Further, the purification structure further includes:
and the impeller B is arranged on the connecting pipe A and is aligned with the head end of the air inlet pipe.
Further, the filter structure includes:
the box body is fixedly connected to the box body, and liquid is contained in the box body;
the tail end of the connecting pipe B is arranged on the cover plate, and the head end of the connecting pipe B is connected in the box body;
blast pipe A, blast pipe A installs the head end at connecting pipe B, and blast pipe A outer wall is the annular array form and has seted up the exhaust hole.
Further, the filter structure further includes:
the partition plate is welded in the box body and is of a rectangular plate-shaped structure;
the through holes are cylindrical hole-shaped structures and are arranged on the partition board in a rectangular array shape, and the through holes arranged in the rectangular array shape jointly form a smoke splitting structure.
Further, the filter structure further includes:
the exhaust pipe B is connected to the top cover of the box body;
the filter cotton is clamped on the top cover of the box body and aligned with the exhaust pipe B, and the filter cotton forms a filtering structure of the flue gas;
the filter structure is provided with an auxiliary structure.
Compared with the prior art, the invention has the following beneficial effects:
through intake pipe and impeller B's cooperation, because of impeller B installs on connecting pipe A, and impeller B is adjusted well with the head end of intake pipe to blow through wind-force when intake pipe department admits air and can realize impeller B's rotation, and then realized connecting pipe A and naturally rotated.
Through the arrangement of the purification structure, firstly, the impeller A is arranged on the connecting pipe A and is positioned on the outer side of the box body, and the impeller A forms a wind power driving structure of the connecting pipe A, so that the connecting pipe A can rotate under the blowing of natural wind power;
secondly, as the six spray pipes are arranged and welded on the connecting pipe A in an annular array shape and are communicated with the connecting pipe A, spraying and purification can be realized through the six spray pipes when the water is supplied to the water inlet pipe;
thirdly, the spray holes are in the conical hole-shaped structures, and the spray holes of the conical hole-shaped structures jointly form a further diffusion structure of the spray pipe, so that the spraying range can be further enlarged;
fourthly, because of the atress seat is installed on clean piece, and clean piece and impeller A elastic contact when impeller A to can realize that clean piece is got rid of the extrusion of moisture in to the filter pulp, and then guaranteed the filtration of filter pulp under same humidity condition.
Through the arrangement of the filtering structure, firstly, the exhaust pipe A is arranged at the head end of the connecting pipe B, the exhaust holes are formed in the outer wall of the exhaust pipe A in an annular array shape, and the exhaust holes formed in the annular array shape can improve the contact efficiency of the flue gas and the liquid in the box body, so that the filtering effect is improved;
secondly, because of the through-hole is cylindricality poroid structure, and the through-hole is set up on the baffle in the rectangle array form to the through-hole that the rectangle array form was seted up has constituteed the segmentation structure of flue gas jointly, thereby can be divided into a plurality of small bubbles with the flue gas, and then improves the contact effect of flue gas and box body liquid.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic axial view of the case of the present invention.
Fig. 3 is an enlarged schematic view of fig. 2 at a.
Fig. 4 is a schematic front view of fig. 2 according to the present invention.
Fig. 5 is a schematic cross-sectional structure of the present invention.
Fig. 6 is an enlarged view of the structure of fig. 5B according to the present invention.
Fig. 7 is a schematic front view of the structure of fig. 5 according to the present invention.
Fig. 8 is an enlarged view of the structure of fig. 7 at C according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a box body; 101. a cover plate; 102. an air inlet pipe; 2. a purification structure; 201. a connecting pipe A; 202. a nozzle; 203. spraying a hole; 204. an impeller A; 205. an impeller B; 206. a water inlet pipe; 3. a filter structure; 301. a box body; 302. a partition plate; 303. a through hole; 304. filtering cotton; 305. an exhaust pipe B; 306. a connecting pipe B; 307. an exhaust pipe A; 308. an exhaust hole; 4. an auxiliary structure; 401. mounting blocks; 402. an elastic telescopic rod; 403. a cleaning block; 404. a stress seat.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a high-efficiency separation device for fine particles in flue gas, which comprises a box body 1;
the box body 1 is a rectangular box-shaped structure;
the case 1 includes:
the cover plate 101 is fixedly connected to the box body 1 through bolts;
an air inlet pipe 102, wherein the air inlet pipe 102 is arranged on the box body 1;
the purifying structure 2 is arranged on the box body 1;
the filter structure 3, the filter structure 3 is installed on the box 1.
Referring to fig. 2, the purification structure 2 includes:
the connecting pipe A201 is rotatably connected to the cover plate 101, and the connecting pipe A201 is connected with a water inlet pipe 206;
six spray pipes 202 are arranged on the spray pipes 202, the six spray pipes 202 are welded on the connecting pipe A201 in an annular array shape, and the six spray pipes 202 are communicated with the connecting pipe A201.
By adopting the technical scheme, when the water is supplied to the water inlet pipe 206, spraying and purification can be realized through the six spray pipes 202, and the spraying and purification range is expanded.
Referring to fig. 3, the purification structure 2 further includes:
the spray pipe 202 is provided with a plurality of spray holes 203, the spray holes 203 are arranged on the spray pipe 202 in an annular array, the spray pipe 202 is in a cylindrical tubular structure, and the spray holes 203 arranged in the annular array form a diffusion spraying structure of the spray pipe 202.
By adopting the technical scheme, the spraying range can be further improved through the spray holes 203 arranged in the annular array, and the smoke purification effect is also improved.
Referring to fig. 3, the nozzle holes 203 are tapered hole structures, and the nozzle holes 203 of the tapered hole structures together constitute a further diffusion structure of the nozzle 202.
By adopting the technical scheme, the spraying range can be further improved.
Referring to fig. 2, the purification structure 2 further includes:
the impeller A204, the impeller A204 is installed on the connecting pipe A201, the impeller A204 is located outside the box body 1, and the impeller A204 constitutes the wind-driven structure of the connecting pipe A201.
By adopting the technical scheme, the rotation of the connecting pipe A201 can be realized under the blowing of natural wind power, and the spraying dead angle can be eliminated.
Referring to fig. 2, the purification structure 2 further includes:
the impeller B205, the impeller B205 is mounted on the connecting pipe a201, and the impeller B205 is aligned with the head end of the air inlet pipe 102.
By adopting the technical scheme, when the air inlet pipe 102 is used for air inlet, the impeller B205 can be rotated by blowing through wind power, and further the connecting pipe A201 can be naturally rotated.
Referring to fig. 5 and 8, the filter structure 3 includes:
the box body 301, the box body 301 is fixedly connected to the box body 1, and liquid is contained in the box body 301;
the tail end of the connecting pipe B306 is arranged on the cover plate 101, and the head end of the connecting pipe B306 is connected in the box body 301;
and an exhaust pipe a307, wherein the exhaust pipe a307 is installed at the head end of the connecting pipe B306, and exhaust holes 308 are formed in the outer wall of the exhaust pipe a307 in an annular array.
By adopting the technical scheme, the exhaust holes 308 arranged in the annular array shape can improve the contact efficiency of the flue gas and the liquid in the box body 301, and further improve the filtering effect.
Referring to fig. 8, the filter structure 3 further includes:
the partition plate 302 is welded in the box body 301, and the partition plate 302 is of a rectangular plate-shaped structure;
the through holes 303, 303 are cylindrical hole-shaped structures, the through holes 303 are arranged on the partition plate 302 in a rectangular array shape, and the through holes 303 arranged in the rectangular array shape jointly form a smoke splitting structure.
By adopting the technical scheme, the flue gas can be divided into a plurality of small bubbles, so that the contact effect of the flue gas and the liquid in the box body 301 is improved.
Referring to fig. 6, the filter structure 3 further includes:
an exhaust pipe B305, the exhaust pipe B305 being connected to the top cover of the case 301;
the filter cotton 304, the filter cotton 304 joint is on the top cap of box 301, and filter cotton 304 aligns with blast pipe B305 to filter cotton 304 has constituted the filtration formula of flue gas.
By adopting the technical scheme, the smoke can be filtered again through the filter cotton 304;
an auxiliary structure 4 is mounted on the filter structure 3.
Referring to fig. 6, the auxiliary structure 4 includes:
the mounting block 401 is welded on the top cover of the box body 301, and two elastic telescopic rods 402 are mounted on the mounting block 401; the two elastic telescopic rods 402 are provided with cleaning blocks 403, and the cleaning blocks 403 are in elastic contact with the filter cotton 304;
a force bearing seat 404, wherein the force bearing seat 404 is arranged on the cleaning block 403, and the cleaning block 403 is elastically contacted with the impeller A204 when the impeller A204 is in contact with the impeller A204.
By adopting the technical scheme, the water in the filter cotton 304 can be squeezed and removed by the cleaning block 403, so that the filter cotton 304 is filtered under the same humidity condition.
In another embodiment, the through hole 303 may have a tapered hole structure, so as to improve the anti-blocking capability of the through hole 303.
The specific use mode and function of the embodiment are as follows:
during spraying purification, firstly, the impeller A204 is arranged on the connecting pipe A201, the impeller A204 is positioned on the outer side of the box body 1, and the impeller A204 forms a wind power driving structure of the connecting pipe A201, so that the connecting pipe A201 can rotate under the blowing of natural wind power; secondly, as six spray pipes 202 are arranged, the six spray pipes 202 are welded on the connecting pipe A201 in an annular array shape, and the six spray pipes 202 are communicated with the connecting pipe A201, spraying and purification can be realized through the six spray pipes 202 when the water inlet pipe 206 supplies water; thirdly, the spraying holes 203 are in a conical hole structure, and the spraying holes 203 in the conical hole structure jointly form a further diffusion structure of the spraying pipe 202, so that the spraying range can be further enlarged;
when the liquid is purified, firstly, the exhaust pipe a307 is installed at the head end of the connecting pipe B306, the exhaust holes 308 are formed in the outer wall of the exhaust pipe a307 in an annular array shape, and the exhaust holes 308 formed in the annular array shape can improve the contact efficiency of the flue gas and the liquid in the box body 301, so that the filtering effect is improved; secondly, the through holes 303 are cylindrical hole-shaped structures, the through holes 303 are arranged on the partition plate 302 in a rectangular array shape, and the through holes 303 arranged in the rectangular array shape jointly form a smoke dividing structure, so that the smoke can be divided into a plurality of small bubbles, and the contact effect of the smoke and the liquid in the box body 301 is improved;
during the third purification, firstly, the filter cotton 304 is clamped on the top cover of the box body 301, the filter cotton 304 is aligned with the exhaust pipe B305, and the filter cotton 304 forms a filtering structure of the flue gas, so that the flue gas can be filtered again through the filter cotton 304; secondly, because the force-bearing seat 404 is installed on the cleaning block 403, and when the impeller a204 is in elastic contact with the impeller a204, the cleaning block 403 can squeeze and remove the moisture in the filter cotton 304, thereby ensuring the filtration of the filter cotton 304 under the same humidity condition.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides an efficient splitter of fine particles in flue gas which characterized in that: comprises a box body;
the box body is of a rectangular box-shaped structure;
the box includes:
the cover plate is fixedly connected to the box body through bolts;
the air inlet pipe is arranged on the box body;
the purification structure is arranged on the box body;
and the filtering structure is arranged on the box body.
2. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the purification structure includes:
the connecting pipe A is rotatably connected to the cover plate and is connected with a water inlet pipe;
the spray pipes are arranged in six rows, the six spray pipes are welded on the connecting pipe A in an annular array shape, and the six spray pipes are communicated with the connecting pipe A.
3. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the purification structure further includes:
the spray pipes are cylindrical tubular structures, and the spray holes formed in the annular array form jointly form a diffusion spraying structure of the spray pipes.
4. An efficient separation apparatus for fine particles in flue gas according to claim 3, wherein: the spray holes are in a conical hole structure, and the spray holes of the conical hole structure jointly form a further diffusion structure of the spray pipe.
5. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the purification structure further includes:
and the impeller A is arranged on the connecting pipe A and is positioned on the outer side of the box body, and the impeller A forms a wind power driving structure of the connecting pipe A.
6. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the purification structure further includes:
and the impeller B is arranged on the connecting pipe A and is aligned with the head end of the air inlet pipe.
7. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the filter structure includes:
the box body is fixedly connected to the box body, and liquid is contained in the box body;
the tail end of the connecting pipe B is arranged on the cover plate, and the head end of the connecting pipe B is connected in the box body;
blast pipe A, blast pipe A installs the head end at connecting pipe B, and blast pipe A outer wall is the annular array form and has seted up the exhaust hole.
8. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the filter structure further includes:
the partition plate is welded in the box body and is of a rectangular plate-shaped structure;
the through holes are cylindrical hole-shaped structures and are arranged on the partition board in a rectangular array shape, and the through holes arranged in the rectangular array shape jointly form a smoke splitting structure.
9. An efficient separation apparatus for fine particles in flue gas as recited in claim 1, wherein: the filter structure further includes:
the exhaust pipe B is connected to the top cover of the box body;
the filter cotton is clamped on the top cover of the box body and aligned with the exhaust pipe B, and the filter cotton forms a filtering structure of the flue gas;
the filter structure is provided with an auxiliary structure.
10. The apparatus for efficiently separating fine particles from flue gas as set forth in claim 9, wherein: the auxiliary structure includes:
the mounting block is welded on the top cover of the box body, and two elastic telescopic rods are mounted on the mounting block; the two elastic telescopic rods are provided with cleaning blocks, and the cleaning blocks are in elastic contact with the filter cotton;
the stress seat is arranged on the cleaning block, and the cleaning block is in elastic contact with the impeller A when the impeller A is in operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967005.1A CN113559659A (en) | 2021-08-23 | 2021-08-23 | High-efficient splitter of fine particles in flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967005.1A CN113559659A (en) | 2021-08-23 | 2021-08-23 | High-efficient splitter of fine particles in flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113559659A true CN113559659A (en) | 2021-10-29 |
Family
ID=78172370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110967005.1A Withdrawn CN113559659A (en) | 2021-08-23 | 2021-08-23 | High-efficient splitter of fine particles in flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113559659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117547918A (en) * | 2024-01-12 | 2024-02-13 | 国家能源集团煤焦化有限责任公司 | Tail gas treatment device for coal coking smoke exhaust pipeline |
-
2021
- 2021-08-23 CN CN202110967005.1A patent/CN113559659A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117547918A (en) * | 2024-01-12 | 2024-02-13 | 国家能源集团煤焦化有限责任公司 | Tail gas treatment device for coal coking smoke exhaust pipeline |
| CN117547918B (en) * | 2024-01-12 | 2024-04-02 | 国家能源集团煤焦化有限责任公司 | Tail gas treatment device for coal coking smoke exhaust pipeline |
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Application publication date: 20211029 |