CN220176530U - Exhaust treatment equipment in metal processing - Google Patents
Exhaust treatment equipment in metal processing Download PDFInfo
- Publication number
- CN220176530U CN220176530U CN202321739123.8U CN202321739123U CN220176530U CN 220176530 U CN220176530 U CN 220176530U CN 202321739123 U CN202321739123 U CN 202321739123U CN 220176530 U CN220176530 U CN 220176530U
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- Prior art keywords
- fixedly connected
- pipe
- air outlet
- tank
- outlet pipe
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 title claims abstract description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002912 waste gas Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 150000002739 metals Chemical class 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000005555 metalworking Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 238000005507 spraying Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- -1 cost saving Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to waste gas treatment equipment in metal processing, which comprises a main body tank, wherein the upper end of the main body tank is provided with a sealing cover body, the outer side of the main body tank is wrapped with a structural rib frame body, the inner side of the upper end of the structural rib frame body is provided with a circular platform, the outer side of the upper end of the circular platform is fixedly connected with a round platform reinforcing rib, the upper ends of the round platform reinforcing ribs are uniformly and fixedly connected with connecting cross bars, one sides of the connecting cross bars, which are close to each other, are fixedly connected with the sealing cover body, and the whole equipment generates a large amount of heat by utilizing the reaction of water and concentrated sulfuric acid, so that the contact of water vapor and active carbon is realized, the service efficiency and the service life of a catalyst are improved, the structural cost is low, and the practicability is strong.
Description
Technical Field
The utility model relates to the technical field of metal processing waste gas treatment, in particular to waste gas treatment equipment in metal processing.
Background
In the process of producing metal materials, a great amount of waste gas is generated in the procedures of iron making, steel making, casting, welding and the like, wherein the waste gas possibly contains sulfur dioxide, nitrogen oxides, carbon monoxide, volatile organic compounds and other harmful gases, and the waste gas can influence the quality of the air and even threaten human health.
Patent number CN202021260345.8 discloses a circulating spray type pickling waste gas treatment purifier, which is characterized in that a housing is rotatably arranged on the left side wall of a bracket through a rotating shaft, a box body is fixedly arranged on the bracket, a corrugated hose is fixedly arranged at the upper end of the left side wall of the box body in a penetrating manner, and the other end of the corrugated hose is fixedly arranged on the housing in a penetrating manner; the box body is internally provided with a mounting frame, fins are fixedly arranged on the left inner side wall and the right inner side wall of the mounting frame, an exhaust pipe is fixedly arranged at the lower end of the right side wall of the box body in a penetrating manner, an exhaust pump is arranged on the exhaust pipe in series, a spray header is fixedly arranged on the upper inner side wall of the box body, and a water pumping pipe is arranged on the spray header in series; it is through the passageway that passes through that increases waste gas, and then increases the area of contact of waste gas and spray liquid, and the absorption efficiency of reinforcing waste gas guarantees that waste gas purifies completely, but this equipment has following problem: firstly, the sulfur dioxide and the pollutants such as dust particles cannot be removed simultaneously, and secondly, the efficiency and the service life of the catalyst cannot be improved.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and solves the technical problems that the efficiency and the service life of a catalyst cannot be improved by arranging an adsorption gas washing pipe, spraying clean water in a spray pipe to contact concentrated sulfuric acid in a main tank, volatilizing to generate a large amount of heat so as to evaporate the clean water to form water vapor, and contacting the water vapor with active carbon.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the waste gas treatment equipment in metal processing comprises a main body tank, wherein a sealing cover body is arranged at the upper end of the main body tank, a structural rib frame body is wrapped outside the main body tank, a circular platform is arranged on the inner side of the upper end of the structural rib frame body, round platform reinforcing ribs are fixedly connected to the outer side of the upper end of the circular platform, connecting cross bars are uniformly and fixedly connected to the upper ends of the round platform reinforcing ribs, and the sealing cover body is fixedly connected to one side, close to each other, of each connecting cross bar;
the structure rib frame body is of a round structure, the outer side of the structure rib frame body is uniformly and fixedly connected with an air inlet and outlet pipe, the lower end of each air outlet pipe is fixedly connected with a main body tank, the lower end of each adjacent air outlet pipe is fixedly connected with three connecting metals, the upper end of each connecting metal is provided with a heat preservation cover, the inner side of the heat preservation cover wraps the air outlet pipe, and the front end of each air outlet pipe is provided with an electric switch cover;
the air outlet pipe, flexible connecting pipe is connected to the outlet pipe front end, electronic switch lid is connected to flexible connecting pipe upper end, and horizontal body is connected to the lower extreme, horizontal body is kept away from main part jar one end fixed connection and adsorbs the gas washing pipe.
Preferably, the lower end of the main body tank is fixedly connected with a placement base table, and the upper end of the placement base table is fixedly connected with an adsorption gas washing pipe.
As one preference, the inside upper end of main part jar is equipped with the spray ring, spray ring lower extreme evenly is equipped with the high pressure and sprays the hole, and the inside lower extreme of main part jar is filled with concentrated sulfuric acid, the main part jar lower extreme is equipped with the intake pipe, the intake pipe is Z style of calligraphy structure, and the liquid level that Z type upper end intake pipe is higher than concentrated sulfuric acid.
As one preference, the main body tank is of a double-layer structure, a water inlet pipe is arranged in an interlayer of the main body tank, one end of the water inlet pipe is connected with a spray ring, the other end of the water inlet pipe is arranged at the position, close to a base table, of the lower side of the main body tank, and the lower end of the water inlet pipe is connected with a lifting pump.
Preferably, the sealing cover body is a mushroom-shaped metal cover body, and a glass observation window is arranged at the lower end of the sealing cover body.
Preferably, the electric switch cover comprises an electric telescopic rod, one end of the electric telescopic rod is connected with the air outlet pipe, the other end of the electric telescopic rod is connected with the metal sealing ring, and a sealing rubber layer is arranged on one side, close to the air outlet pipe, of the metal sealing ring.
As still another preferable, one side of the transverse pipe body is fixedly connected with a vertical metal block, the upper end of the vertical metal block is fixedly connected with a heat insulation cover, the lower end of the vertical metal block is fixedly connected with the lower end of the heat insulation cover, the other side of the transverse pipe body is fixedly connected with an adsorption gas washing pipe, and activated carbon is filled in the adsorption gas washing pipe.
The utility model has the beneficial effects that:
(1) According to the utility model, the air inlet pipe is arranged and connected with the main tank, concentrated sulfuric acid is placed in the main tank, the air in the air inlet pipe is firstly subjected to the concentrated sulfuric acid, NOx (nitrogen oxides) and SO2 (sulfur dioxide) in the flue gas can be removed by absorbing the air in the air inlet pipe with the concentrated sulfuric acid, then clear water spraying of the spraying ring is matched, a large amount of heat is released when the clear water is contacted with the concentrated sulfuric acid, SO that steam is generated, and the steam is contacted with the activated carbon, SO that the efficiency and the service life of the activated carbon can be improved.
(2) According to the utility model, through arranging the telescopic connecting pipe, the waste gas which is placed for a period of time and processed can be opened and closed by utilizing the electric switch cover, so that the processed gas is discharged, and the safety pressure relief can be realized.
(3) According to the utility model, the whole main tank and all the air outlet pipes are fixedly connected by arranging the structural rib frame body, so that the integral structural strength is ensured.
(4) According to the utility model, the transverse pipe body is arranged, so that the concentrated sulfuric acid is prevented from being sputtered after being contacted with the concentrated sulfuric acid, the concentrated sulfuric acid is directly contacted with the activated carbon, the structural arrangement is reasonable, and the treatment efficiency of waste gas generated in metal processing is higher.
In conclusion, the equipment has the advantages of simplicity, high efficiency, low cost, heat and steam generation by contact of water and concentrated sulfuric acid, cost saving, catalyst service efficiency improvement and service life improvement, and is particularly suitable for the technical field of metal processing waste gas treatment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the spray ring and the high-pressure spray holes in the present utility model.
FIG. 3 is a schematic view of the position structure of the air outlet pipe of the present utility model.
Fig. 4 is a schematic structural view of a circular platform according to the present utility model.
Fig. 5 is a schematic structural view of the electric switch cover in the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 5, the utility model provides an exhaust gas treatment device in metal processing, which comprises a main body tank 1, wherein a sealing cover 11 is arranged at the upper end of the main body tank 1, a structural rib frame 2 is wrapped outside the main body tank 1, a circular platform 21 is arranged on the inner side of the upper end of the structural rib frame 2, a round platform reinforcing rib 22 is fixedly connected to the outer side of the upper end of the circular platform 21, a connecting cross rod 23 is uniformly and fixedly connected to the upper end of the round platform reinforcing rib 22, sealing covers 11 are fixedly connected to the sides, close to each other, of the connecting cross rods 23, the sealing cover 11 is used for sealing the whole main body tank 1, so that good internal sealing performance is ensured, the structural rib frame 2 is used for enhancing the overall structural strength, workers can stand on the circular platform 21, overhaul and installation are convenient, and the round platform reinforcing rib 22 is used for enhancing the overall structural strength;
the structure rib frame body 2 is of a circular structure, the outer side of the structure rib frame body 2 is uniformly and fixedly connected with the air inlet and outlet pipes 3, the lower end of each air outlet pipe 3 is fixedly connected with the main body tank 1, the lower end of each adjacent air outlet pipe 3 is fixedly connected with three connecting metals 31, the upper end of each connecting metal 31 is provided with a heat preservation cover 32, the inner side of each heat preservation cover 32 wraps the air outlet pipe 3, the front end of each air outlet pipe 3 is provided with an electric switch cover 33, the connecting metals 31 are used for reinforcing structural strength, and the heat preservation covers 32 are used for carrying out heat preservation on the air outlet pipes 3;
the air outlet pipe 3, flexible connecting pipe 4 is connected to air outlet pipe 3 front end, electric switch cover 33 is connected to flexible connecting pipe 4 upper end, and horizontal body 41 is connected to the lower extreme, horizontal body 41 keeps away from main part jar 1 one end fixed connection and adsorbs the gas washing pipe 42.
Further, the base platform 5 is placed in fixed connection of main part jar 1 lower extreme, place base platform 5 upper end fixed connection and adsorb and wash the trachea 42, place base platform 5 and be used for guaranteeing the fastness of integral erection, adsorb and wash trachea 42 and also fixed connection and place base platform 5 moreover, guarantee that adsorb and wash trachea 42 also can obtain fine support, the structure degree of integration is high.
Further, the inside upper end of main part jar 1 is equipped with sprays ring 12, spray ring 12 lower extreme evenly is equipped with high pressure and sprays hole 13, and the inside lower extreme of main part jar 1 is filled with concentrated sulfuric acid, main part jar 1 lower extreme is equipped with intake pipe 15, intake pipe 15 is the zigzag structure, and Z type upper end intake pipe 15 is higher than concentrated sulfuric acid's liquid level, and intake pipe 15 upper end is higher than concentrated sulfuric acid's liquid level, can prevent effectively that concentrated sulfuric acid from flowing backward, and can also let waste gas directly contact with concentrated sulfuric acid, can get rid of pollutant such as sulfur dioxide and dust particle simultaneously, and is simple high-efficient.
Further, main part jar 1 is bilayer structure, and is equipped with inlet tube 14 in its intermediate layer, spray ring 12 is connected to inlet tube 14 one end, the other end is offered and is close to the position of placing base platform 5 in main part jar 1 downside, and the elevator pump is connected to inlet tube 14 lower extreme, main part jar 1 sets up bilayer structure and can effectively make inside temperature can not transmit external structure, factor of safety is higher, place inlet tube 14 in main part jar 1 structure moreover and can also cool down the operation to whole, the clear water enters into spray ring 12 structure from inlet tube 14, then spray in main part jar 1 through high-pressure spray hole 13, the clear water that sprays out reacts with the concentrated sulfuric acid that main part jar 1 lower extreme inside held, water adds and can produce a large amount of heat in the concentrated sulfuric acid, and can make water by the evaporation produce a large amount of vapor, vapor enters into and adsorbs in the gas washing pipe 42 can improve active carbon's availability factor and life.
Further, the sealed lid 11 is mushroom-shaped metal lid, and sealed lid 11 lower extreme is equipped with glass observation window 111, and sealed lid 11 seals whole main part jar 1 upper end, ensures that whole sealing performance is good, sets up glass observation window 111 and can make the inside reaction condition of staff audio-visual observation.
Further, the electric switch cover 33 comprises an electric telescopic rod 331, one end of the electric telescopic rod 331 is connected with the air outlet pipe 3, the other end of the electric telescopic rod 331 is connected with the metal sealing ring 332, a circle of sealing rubber layer is arranged on one side of the metal sealing ring 332, which is close to the air outlet pipe 3, of the electric telescopic rod 331 is communicated with the air cylinder to conduct telescopic motion, the air cylinder is placed in the interlayer of the main body tank 1, normal telescopic motion of the electric telescopic rod 331 can be achieved, and the metal sealing ring 332 is better in sealing performance when the electric switch cover 33 is in telescopic motion for a long time.
Still further, vertical metal piece 43 of horizontal body 41 one side fixed connection, vertical metal piece 43 upper end fixed connection heat preservation cover 32, lower extreme fixed connection is located the lower extreme heat preservation cover 32, just horizontal body 41 opposite side fixed connection adsorbs gas wash pipe 42, it has activated carbon to adsorb gas wash pipe 42 intussuseption, the existence of horizontal body 41 is in order to prevent that water and concentrated sulfuric acid from carrying out the in-process concentrated sulfuric acid splash entering into to adsorb gas wash pipe 42, and the height that concentrated sulfuric acid set up exists the difference in height with outlet duct 3 of lower extreme, ensure that concentrated sulfuric acid can not splash the height at setting up outlet duct 3, can effectively improve the life of whole device, simple structure principle, can improve the availability factor of catalyst and can improve the life-span in the time of having reduced the temperature rising structure setting, reduce the device cost.
The working process comprises the following steps: firstly, concentrated sulfuric acid is placed at the inner bottom end of the main tank 1, then exhaust gas generated by metal processing is introduced from the air inlet pipe 15, the exhaust gas passes through the concentrated sulfuric acid, the pollutants such as sulfur dioxide, dust particles and the like can be removed simultaneously by the concentrated sulfuric acid, then the concentrated sulfuric acid enters the main tank 1, clear water is sprayed out from the high-pressure spraying holes 13 by the spraying ring 12 at the upper end through water inlet pipe 14, the clear water is contacted with the concentrated sulfuric acid, a large amount of heat is generated, then the clear water is evaporated into water vapor, the water vapor enters the adsorption gas washing pipe 42, so that the activated carbon is subjected to chemical adsorption under the condition that oxygen and water vapor exist, the efficiency and the service life of the catalyst activated carbon are improved, the whole equipment has low structure cost, the waste gas treatment amount is large, the service life and the efficiency of the activated carbon can be effectively improved, the principle is simple, and the practicability is strong.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.
The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (7)
1. An exhaust gas treatment device in metal processing, characterized in that: comprising
The novel sealing structure comprises a main body tank (1), wherein a sealing cover body (11) is arranged at the upper end of the main body tank (1), a structural rib frame body (2) is wrapped outside the main body tank (1), a circular platform (21) is arranged on the inner side of the upper end of the structural rib frame body (2), round platform reinforcing ribs (22) are fixedly connected to the outer side of the upper end of the circular platform (21), connecting cross rods (23) are uniformly and fixedly connected to the upper ends of the round platform reinforcing ribs (22), and the sealing cover bodies (11) are fixedly connected to one sides, close to each other, of the connecting cross rods (23);
the structure rib frame body (2), the structure rib frame body (2) is of a round structure, the outer side of the structure rib frame body (2) is uniformly and fixedly connected with an air outlet pipe (3), the lower end of each air outlet pipe (3) is fixedly connected with a main tank (1), three connecting metals (31) are fixedly connected with the lower ends of each adjacent air outlet pipe (3), the upper ends of the connecting metals (31) are provided with heat preservation covers (32), the air outlet pipe (3) is wrapped on the inner side of each heat preservation cover (32), and the front ends of the air outlet pipes (3) are provided with electric switch covers (33);
the air outlet pipe (3), flexible connecting pipe (4) are connected to outlet pipe (3) front end, electronic switch lid (33) are connected to flexible connecting pipe (4) upper end, and horizontal body (41) are connected to the lower extreme, horizontal body (41) keep away from main part jar (1) one end fixed connection and adsorb gas washing pipe (42).
2. An exhaust gas treatment device in metal processing according to claim 1, wherein the lower end of the main body tank (1) is fixedly connected with a placement base table (5), and the upper end of the placement base table (5) is fixedly connected with an adsorption gas washing pipe (42).
3. The waste gas treatment device in metal processing according to claim 1, wherein a spray ring (12) is arranged at the upper end inside the main tank (1), high-pressure spray holes (13) are uniformly formed in the lower end of the spray ring (12), concentrated sulfuric acid is filled in the lower end inside the main tank (1), an air inlet pipe (15) is arranged at the lower end of the main tank (1), the air inlet pipe (15) is of a Z-shaped structure, and the air inlet pipe (15) at the upper end of the Z shape is higher than the liquid level of the concentrated sulfuric acid.
4. The waste gas treatment device in metal processing according to claim 1, wherein the main tank (1) is of a double-layer structure, a water inlet pipe (14) is arranged in an interlayer of the main tank, one end of the water inlet pipe (14) is connected with the spray ring (12), the other end of the water inlet pipe is arranged at a position, close to the position where the base table (5) is arranged, of the lower side of the main tank (1), and the lower end of the water inlet pipe (14) is connected with the lifting pump.
5. An exhaust gas treatment apparatus in metal working according to claim 1, wherein the sealing cover (11) is a mushroom-shaped metal cover, and a glass observation window (111) is provided at the lower end of the sealing cover (11).
6. An exhaust gas treatment device in metal processing according to claim 1, wherein the electric switch cover (33) comprises an electric telescopic rod (331), one end of the electric telescopic rod (331) is connected with the air outlet pipe (3), the other end of the electric telescopic rod is connected with the metal sealing ring (332), and a circle of sealing rubber layer is arranged on one side of the metal sealing ring (332) close to the air outlet pipe (3).
7. The waste gas treatment device in metal processing according to claim 1, wherein one side of the transverse tube body (41) is fixedly connected with a vertical metal block (43), the upper end of the vertical metal block (43) is fixedly connected with a heat insulation cover (32), the lower end of the vertical metal block is fixedly connected with the heat insulation cover (32), the other side of the transverse tube body (41) is fixedly connected with an adsorption gas washing tube (42), and activated carbon is filled in the adsorption gas washing tube (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739123.8U CN220176530U (en) | 2023-07-05 | 2023-07-05 | Exhaust treatment equipment in metal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739123.8U CN220176530U (en) | 2023-07-05 | 2023-07-05 | Exhaust treatment equipment in metal processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220176530U true CN220176530U (en) | 2023-12-15 |
Family
ID=89099939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321739123.8U Active CN220176530U (en) | 2023-07-05 | 2023-07-05 | Exhaust treatment equipment in metal processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220176530U (en) |
-
2023
- 2023-07-05 CN CN202321739123.8U patent/CN220176530U/en active Active
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