CN220589332U - Dust filter equipment of flue gas acid making equipment - Google Patents
Dust filter equipment of flue gas acid making equipment Download PDFInfo
- Publication number
- CN220589332U CN220589332U CN202322208196.0U CN202322208196U CN220589332U CN 220589332 U CN220589332 U CN 220589332U CN 202322208196 U CN202322208196 U CN 202322208196U CN 220589332 U CN220589332 U CN 220589332U
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- China
- Prior art keywords
- filtering
- box body
- dust
- acid making
- cleaning
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- 239000002253 acid Substances 0.000 title claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 96
- 238000004140 cleaning Methods 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 241000220317 Rosa Species 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the field of flue gas acid making equipment, in particular to a dust filtering device of flue gas acid making equipment, which comprises the following components: the acid making equipment comprises an acid making equipment body, a connecting pipe and a filtering device, wherein the acid making equipment body is connected with the filtering device through the connecting pipe, the filtering device comprises a filtering box body, a first filtering component with a self-cleaning function and a second filtering component with a self-cleaning function are sequentially installed in the filtering box body from bottom to top, the connecting pipe is located above the second filtering component, and one side of the filtering box body is connected with an air inlet pipe. When the inside of the filter plate is required to be cleaned, the motor drives the cleaning roller to swing through the connecting rod, so that the cleaning brush cleans dust on the surface of the arc-shaped filter screen, then the handle is pulled, the filter plate moves along the axial direction of the guide supporting rod, the upper surface and the lower surface of the filter plate are respectively cleaned through the clamping brush head, the cleaning operation can be completed in the running process of the equipment without being hindered, and the acid production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of flue gas acid making equipment, in particular to a dust filtering device of flue gas acid making equipment.
Background
Most of smelting raw materials contain metal sulfides such as zinc sulfide, lead sulfide and the like, and a large amount of sulfur dioxide can be released in the smelting process, so that the environment is seriously polluted. Therefore, the smelting flue gas acid making technology becomes an important means for solving the problems. At present, the traditional smelting flue gas acid making process, namely the double-conversion double-absorption acid making process, refers to that flue gas containing SO2 is subjected to primary conversion in a catalytic bed at the front layer of a converter through a catalyst contact method, SO3 generated after conversion enters an intermediate absorption tower and is absorbed to generate sulfuric acid, and gas discharged from the intermediate absorption tower returns to the converter, SO that the rest sulfur dioxide is subjected to secondary conversion in a catalytic bed at the rear layer, and generated sulfur trioxide is absorbed in a final absorption tower to generate sulfuric acid. The double-conversion double-absorption acid making process has been developed into a mature acid making technology and is widely applied to the fields of smelting flue gas acid making, pyrite acid making and sulfur acid making. In the using process of the flue gas acid making equipment, in order to prevent dust in the flue gas from adhering to the inside of the flue gas acid making equipment during processing, the dust in the flue gas needs to be filtered, and acid liquor and dust are prevented from being mixed.
For avoiding acidizing fluid and dust to mix, and the dust adheres to the inside at flue gas system sour equipment, chinese patent of publication No. CN218221546U discloses a system sour equipment of flue gas for sour, including system sour equipment body and filtration jar, the top of system sour equipment body is provided with the gas injection port, one side of filtration jar is provided with the intake pipe, the tank cap is installed at the top of filtration jar, the top of tank cap is provided with the gas outlet, install C type connecting pipe between gas injection port and the gas outlet, a plurality of support columns and a dust exhaust pipe are installed to the bottom of filtration jar, the dust collection box is installed to the end of dust exhaust pipe, the internally mounted of filtration jar has the filtration box, the filtration box is disc network structure, just the internally mounted of filtration box has the filter core that is used for filtering the dust that blocks, and the flue gas filters the dust inside the system sour equipment body before getting into the sour equipment body through the filtration jar to prevent that the inside of flue gas from adhering to the inside at sour equipment body, and then lead to the acidizing fluid and dust to mix, the quality that influences.
The above-mentioned prior art has following defect, and this patent filters the dust through the filter cartridge, need demolish clean or change it after the filter cartridge uses for a long time, and equipment need be in the state of shutting down this moment to influence the efficiency of equipment system acid, and only have a filter mechanism in the above-mentioned patent, also not good to the filter effect of dust.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the dust filtering device of the flue gas acid making equipment, which can finish the cleaning work of a filtering mechanism in the acid making process of the equipment and improve the filtering effect of the equipment on dust.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a dust filter device of a flue gas acid making device, comprising: the acid making equipment comprises an acid making equipment body, a connecting pipe and a filtering device, wherein the acid making equipment body is connected with the filtering device through the connecting pipe, the filtering device comprises a filtering box body, a first filtering component with a self-cleaning function and a second filtering component with a self-cleaning function are sequentially arranged in the filtering box body from bottom to top, the connecting pipe is positioned above the second filtering component, one side of the filtering box body is connected with an air inlet pipe, the air inlet pipe is positioned below the first filtering component, and a collecting component is arranged at the bottom of the filtering box body;
the second filter component comprises an arc-shaped filter screen and a cleaning piece which are sequentially installed from top to bottom, and further comprises a driving piece for driving the cleaning piece to swing, wherein the cleaning piece comprises a cleaning roller, a cleaning brush is connected to the outer circle of the cleaning roller, and when the driving piece drives the cleaning piece to swing, the cleaning brush swings around the inner side of the arc-shaped filter screen and is contacted with the inner side of the arc-shaped filter screen.
Through adopting above-mentioned technical scheme, in the flue gas gets into the filter box along with the intake pipe, later in proper order through first filter component and second filter component, filter the dust in the flue gas, improve the holistic filtration performance of equipment, after the arc filter screen of second filter component is stained with the dust, the driving piece drives the cleaning brush and swings around the inboard of arc filter screen, clean the surface of arc filter screen, make not hinder equipment at the operation in-process, can accomplish cleaning operation, thereby improve sour efficiency of making.
The present utility model may be further configured in a preferred example to: the filter comprises a filter plate, wherein the filter plate is obliquely arranged, through holes are respectively formed in two ends of the filter plate, guide supporting rods are respectively arranged in the through holes, the guide supporting rods are respectively connected with a filter box body, a clamping type brush head is arranged at the higher end of the filter plate, the clamping type brush head is arranged on the inner wall of the filter box body, the first filter assembly further comprises a limiting plate, a handle is arranged at one side of the limiting plate, and the other side of the limiting plate is connected with the higher end of the filter plate.
Through adopting above-mentioned technical scheme, be stained with behind the dust at the surface of filter, but the pulling handle makes it drive the filter through the limiting plate and removes to the centre gripping formula brush head cleans the upper and lower two sides of filter, and when clean the filter, the arc filter screen plays main filtration, guarantees that equipment can normal operation.
The present utility model may be further configured in a preferred example to: the driving piece is including rotating the pivot of connecting in the rose box body and installing the motor in the rose box body outside, the output shaft and the pivot of motor are connected, be connected with the connecting rod on the excircle at pivot both ends respectively, the one end of connecting rod is connected with the cleaning roller respectively.
Through adopting above-mentioned technical scheme, the motor drives the pivot rotation to synchronous drive connecting rod rotation makes the cleaning roller realize the swing, thereby cleans the surface of arc filter screen.
The present utility model may be further configured in a preferred example to: the collecting assembly comprises a dust discharging pipe arranged at the bottom of the filtering box body, and one end, far away from the filtering box body, of the dust discharging pipe is connected with a dust collecting box.
Through adopting above-mentioned technical scheme, filterable dust will have a part to descend downwards, concentrate to the dust-collecting box along the dust exhaust pipe in to follow-up unified processing improves the environmental protection performance of equipment.
The present utility model may be further configured in a preferred example to: the bottom of the filtering box body is conical.
By adopting the technical scheme, the conical bottom can effectively prevent dust from being accumulated around the bottom of the box body, so that the dust slides into the dust exhaust pipe.
The present utility model may be further configured in a preferred example to: the distance between the top of the arc-shaped filter screen and the top of the inner cavity of the filter box body is 0.4-1.0M.
By adopting the technical scheme, the upper part of the arc-shaped filter screen is provided with a space with a sufficient distance, so that the flue gas enters the acid making equipment body along the connecting pipe.
In summary, the utility model comprises the following beneficial technical effects of at least one dust filtering device of the flue gas acid making equipment:
1. through the cooperation of first filter component and second filter component, make filter and arc filter screen filter the dust in the flue gas in proper order, improve its filter effect.
2. When needs are cleaned inside, the motor drives the cleaning roller to swing through the connecting rod, so that the cleaning brush cleans dust on the surface of the arc-shaped filter screen, and then the handle is pulled, so that the filter plate moves along the axial direction of the guide support rod, the upper surface and the lower surface of the filter plate are respectively cleaned through the clamping type brush head, the cleaning operation can be completed without obstructing the operation process of the equipment, and the acid production efficiency is improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a filter device according to the present utility model;
FIG. 3 is a schematic view of a second filter assembly according to the present utility model;
fig. 4 is a schematic structural view of a cleaning member and a driving member according to the present utility model.
In the figure: 1. an acid making device body; 2. a connecting pipe; 30. a filtering device;
31. a filter box; 32. a first filter assembly; 33. a second filter assembly; 34. an air inlet pipe; 35. a collection assembly;
321. a filter plate; 322. a through hole; 323. a guide support rod; 324. a clamping brush head; 325. a limiting plate; 326. a handle;
331. an arc-shaped filter screen; 332. A cleaning member; 333. A driving member;
351. a dust exhaust pipe; 352. A dust collection box;
3321. a cleaning roller; 3322. A cleaning brush;
3331. a rotating shaft; 3332. a motor; 3333. and (5) connecting a rod.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.
Referring to fig. 1-4, a dust filtering device of a flue gas acid making device disclosed by the utility model comprises: the acid making equipment comprises an acid making equipment body 1, a connecting pipe 2 and a filtering device 30, wherein the acid making equipment body 1 is connected with the filtering device 30 through the connecting pipe 2, the filtering device 30 comprises a filtering box body 31, a first filtering component 32 with a self-cleaning function and a second filtering component 33 with a self-cleaning function are sequentially arranged in the filtering box body 31 from bottom to top, the connecting pipe 2 is positioned above the second filtering component 33, one side of the filtering box body 31 is connected with an air inlet pipe 34, the air inlet pipe 34 is positioned below the first filtering component 32, a collecting component 35 is arranged at the bottom of the filtering box body 31, the second filtering component 33 comprises an arc-shaped filtering screen 331 and a cleaning piece 332 which are sequentially arranged from top to bottom, the distance between the top of the arc-shaped filtering screen 331 and the top of an inner cavity of the filtering box body 31 is 0.4M to 1.0M, the driving piece 333 for driving the cleaning piece 332 to swing is further arranged, the cleaning piece 332 comprises a cleaning roller 3321, the cleaning brush 3322 is connected to the outer circle of the cleaning roller 3321, when the driving piece 333 drives the cleaning piece 332 to swing, the cleaning brush 3322 swings around the inner side of the arc-shaped filtering box body 32 and contacts the inner side of the arc-shaped filtering piece, the cleaning brush 3322 is connected to the outer circle of the motor 3321, the driving piece 333 is connected to the outer side of the motor 3331, and the two ends of the motor 3332 are respectively, and the driving piece 3331 are connected to the outer shafts 3331, and the driving shafts 3331 are respectively, and the two ends of the driving shafts 3331 are connected to the driving shafts 3331, and 33 and the driving shafts 33; the motor 3332 is preferably a servo motor, the arc filter screen 331 is made of stainless steel, the surface is coated with anti-corrosion paint, flue gas is transmitted into the filter box 31 along the air inlet pipe 34, the flue gas is primarily filtered through the first filter assembly 32, secondary filtration is achieved under the action of the second filter assembly 33, dust in the flue gas is comprehensively eliminated and filtered, the quality of acid liquor is improved, when an internal filter mechanism needs to be cleaned, the motor 3332 drives the rotating shaft 3331 to rotate, the connecting rod 3333 drives the cleaning roller 3321 to swing left and right, and the cleaning brush 3322 cleans dust on the surface of the arc filter screen 331, so that the internal filter mechanism can be cleaned when equipment does not need to be stopped.
The first filter assembly 32 comprises a filter plate 321 which is obliquely arranged, through holes 322 are respectively formed in two ends of the filter plate 321, guide supporting rods 323 are respectively arranged in the through holes 322, the guide supporting rods 323 are respectively connected with the filter box 31, a clamping type brush head 324 is arranged at the higher end of the filter plate 321, the clamping type brush head 324 is arranged on the inner wall of the filter box 31, the first filter assembly 32 further comprises a limiting plate 325, a handle 326 is arranged at one side of the limiting plate 325, and the other side of the limiting plate 325 is connected with the higher end of the filter plate 321; limiting plate 325 and filtration box 31 closely laminate, still can set up the rubber circle near the surface of filtration box 31 one side, in order to prevent that the flue gas from overflowing, after arc filter screen 331 self-cleaning finishes, the dust after its cleanness can drop to filter 321 surface, the staff pulls handle 326 this moment, make it drive filter 321 through limiting plate 325 and remove along the axial of direction bracing piece 323, so that centre gripping formula brush head 324 cleans the upper and lower two sides of filter 321, when clean filter 321, arc filter screen 331 plays main filtration effect, guarantee equipment can normal operation, can accomplish filter mechanism's clean work at equipment system sour in-process promptly.
The collecting assembly 35 comprises a dust discharging pipe 351 arranged at the bottom of the filter box body 31, one end of the dust discharging pipe 351 far away from the filter box body 31 is connected with a dust collecting box 352, and the bottom of the filter box body 31 is conical; the dust after the clearance drops to the bottom of filtering box 31, because the bottom of filtering box 31 is the toper, can make the dust gather in dust collection box 352 along dust exhaust pipe 351 better to follow-up centralized processing improves the holistic environmental protection performance of equipment.
The implementation principle of the embodiment is as follows: when the filter is used, the flue gas is transmitted to the filter box body 31 along the air inlet pipe 34, the first filter component 32 carries out primary filtration on the flue gas, and carries out secondary filtration on the flue gas under the action of the second filter component 33, so that the filtered and clean flue gas is transmitted to the acid making equipment body 1 along the connecting pipe 2, and the acid liquor quality is improved, when the first filter component 32 and the second filter component 33 need to be cleaned, firstly, the motor 3332 and the rotating shaft 3331 drive the connecting rod 3333 to rotate, thereby driving the cleaning roller 3321 to swing left and right, the cleaning brush 3322 is used for cleaning dust on the surface of the arc-shaped filter screen 331, namely, the inner filter mechanism can be cleaned when the equipment does not need to be stopped, the cleaned dust falls to the surface of the filter plate 321, after the arc-shaped filter screen 331 is cleaned, a worker pulls the handle 326 at the moment, so that the filter plate 321 moves along the axial direction of the guide support rod 323 through the limiting plate 325, and the upper surface and the lower surface of the filter plate 321 are cleaned, when the filter plate 321 is cleaned, the arc-shaped filter screen 331 plays a main filtering role, and the equipment can normally perform the cleaning operation in the equipment acid making process.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (6)
1. A dust filtration device of a flue gas acid making apparatus, comprising: the acid making equipment comprises an acid making equipment body (1), a connecting pipe (2) and a filtering device (30), wherein the acid making equipment body (1) is connected with the filtering device (30) through the connecting pipe (2), and is characterized in that the filtering device (30) comprises a filtering box body (31), a first filtering component (32) with a self-cleaning function and a second filtering component (33) with a self-cleaning function are sequentially installed in the filtering box body (31) from bottom to top, the connecting pipe (2) is located above the second filtering component (33), one side of the filtering box body (31) is connected with an air inlet pipe (34), the air inlet pipe (34) is located below the first filtering component (32), and a collecting component (35) is installed at the bottom of the filtering box body (31);
the second filter component (33) comprises an arc-shaped filter screen (331) and a cleaning piece (332) which are sequentially installed from top to bottom, and further comprises a driving piece (333) for driving the cleaning piece (332) to swing, wherein the cleaning piece (332) comprises a cleaning roller (3321), a cleaning brush (3322) is connected to the outer circle of the cleaning roller (3321), and when the driving piece (333) drives the cleaning piece (332) to swing, the cleaning brush (3322) swings around the inner side of the arc-shaped filter screen (331) and is contacted with the cleaning brush.
2. The dust filtering device of the flue gas acid making equipment according to claim 1, wherein the first filtering component (32) comprises a filter plate (321) which is obliquely arranged, through holes (322) are respectively formed in two ends of the filter plate (321), guide supporting rods (323) are respectively arranged in the through holes (322), the guide supporting rods (323) are respectively connected with the filtering box body (31), a clamping type brush head (324) is arranged at one higher end of the filter plate (321), the clamping type brush head (324) is arranged on the inner wall of the filtering box body (31), the first filtering component (32) further comprises a limiting plate (325), a handle (326) is arranged at one side of the limiting plate (325), and one higher end of the other side of the limiting plate (325) is connected with the filtering plate (321).
3. The dust filtering device of a flue gas acid making apparatus according to claim 1, wherein the driving member (333) comprises a rotating shaft (3331) rotatably connected in the filtering box body (31) and a motor (3332) mounted on the outer side of the filtering box body (31), an output shaft of the motor (3332) is connected with the rotating shaft (3331), connecting rods (3333) are respectively connected on outer circles of two ends of the rotating shaft (3331), and one ends of the connecting rods (3333) are respectively connected with the cleaning roller (3321).
4. The dust filtering device of the flue gas acid making equipment according to claim 1, wherein the collecting assembly (35) comprises a dust discharging pipe (351) arranged at the bottom of the filtering box body (31), and one end of the dust discharging pipe (351) far away from the filtering box body (31) is connected with a dust collecting box (352).
5. A dust filtering device of a flue gas acid plant according to claim 1, characterized in that the bottom of the filter housing (31) is conical.
6. The dust filtering device of the flue gas acid making equipment according to claim 1, wherein the distance between the top of the arc-shaped filter screen (331) and the top of the inner cavity of the filtering box body (31) is 0.4-1.0M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208196.0U CN220589332U (en) | 2023-08-16 | 2023-08-16 | Dust filter equipment of flue gas acid making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208196.0U CN220589332U (en) | 2023-08-16 | 2023-08-16 | Dust filter equipment of flue gas acid making equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220589332U true CN220589332U (en) | 2024-03-15 |
Family
ID=90165851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322208196.0U Active CN220589332U (en) | 2023-08-16 | 2023-08-16 | Dust filter equipment of flue gas acid making equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220589332U (en) |
-
2023
- 2023-08-16 CN CN202322208196.0U patent/CN220589332U/en active Active
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