CN212262800U - Tail gas dust removal purification device for insulating tube workshop - Google Patents
Tail gas dust removal purification device for insulating tube workshop Download PDFInfo
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- CN212262800U CN212262800U CN201922334325.4U CN201922334325U CN212262800U CN 212262800 U CN212262800 U CN 212262800U CN 201922334325 U CN201922334325 U CN 201922334325U CN 212262800 U CN212262800 U CN 212262800U
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- air inlet
- box
- condensing
- air
- gas
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- 238000000746 purification Methods 0.000 title abstract description 10
- 239000000428 dust Substances 0.000 title abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 21
- 229920000742 Cotton Polymers 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 13
- 230000001954 sterilising effect Effects 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 10
- 239000011941 photocatalyst Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 3
- 238000003915 air pollution Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 40
- 238000010521 absorption reaction Methods 0.000 description 17
- 239000000498 cooling water Substances 0.000 description 7
- 230000000249 desinfective effect Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to a heat preservation pipe is tail gas dust purification device for workshop, including gas collecting channel, air inlet box and the case of giving vent to anger, the gas collecting channel even has the admission line, is equipped with negative-pressure air fan in the admission line, and the end of admission line lets in the lower part in the air inlet box, and the part that the admission line lets in the air inlet box is equipped with air outlet mechanism, and the top of admission line is equipped with sprays mechanism and condensation mechanism in the air inlet box, the roof of air inlet box and the bottom wall one side intercommunication of the case of giving vent to anger, the incasement of giving vent to anger is equipped with drying mechanism and adsorption apparatus in proper order along the gas flow direction, and drying mechanism and adsorption apparatus all set up in the air outlet box through fixing bolt detachable, and the case lateral wall of giving vent to ange. The utility model discloses a tail gas absorbing device can discharge after the exhaust purification cooling, prevents to endanger workshop workman's healthy, can not cause thermal pollution and air pollution, has improved resident's living environment.
Description
Technical Field
The utility model relates to an insulating tube production technical field especially relates to an insulating tube is tail gas dust purification device for workshop.
Background
The insulating tube can generate the higher inorganization waste gas of temperature at extrusion moulding in-process, and these inorganization waste gases are long-pending in the workshop, can seriously harm workshop workman's healthy, and the workman also often can make the inorganization waste gas in the workshop directly discharge outside the workshop with powerful exhaust fan now, cause thermal pollution and air pollution, influenced resident's around normal life, await improvement.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a tail gas dust removal purification device for a production workshop of an insulating pipe.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a heat preservation pipe is tail gas dust removal purification device for workshop, includes gas collecting channel, inlet box and the case of giving vent to anger, the gas collecting channel even has the admission line, is equipped with negative-pressure air fan in the admission line, and the end of inlet line lets in the lower part in the inlet box, and the part that the admission line lets in the inlet box is equipped with air outlet mechanism, and the top of inlet line is equipped with sprays mechanism and condensing unit in the inlet box, the roof of inlet box and the bottom wall one side intercommunication of the case of giving vent to anger, the incasement of giving vent to anger is equipped with drying mechanism and adsorption apparatus along the gas flow direction in proper order, and drying mechanism and adsorption apparatus all set up in the outlet box through fixing bolt detachable, and the case lateral wall of giving vent to anger in the adsorption apparatus outside is equipped.
The spraying mechanism comprises a spraying plate, a gas outlet through hole is formed in the spraying plate, a plurality of spray heads are fixed on the lower portion of the spraying plate, a liquid inlet pipe is arranged outside the gas inlet box and communicated with the spray heads, and a liquid inlet pump is arranged on the liquid inlet pipe.
Condensation mechanism includes a plurality of condensing panel, and the condensing panel lower part is equipped with the board that breaks flows, and the board that breaks flows is for falling "V" type, is equipped with cooling coil in the condensing panel, and the condensing coil entry intercommunication in the condensing panel of the top has the inlet tube, and the intercommunication has the circulating pipe between the condensing coil in the adjacent condensing panel, and the condensing coil export intercommunication in the condensing panel of the bottom has the outlet pipe, be equipped with the through-hole of giving vent to anger on the condensing panel, the crisscross setting of the through-hole of giving vent to anger on the adjacent condensing panel.
The condensation plate is positioned above the spraying plate.
Drying mechanism includes dry layer, and adsorption mechanism includes the cotton layer of absorption, activated carbon adsorption layer and the disinfection layer that sets gradually along the air current direction, and the opening inboard of the case that outgases is equipped with the photocatalyst clarifier, and dry layer, the cotton layer of absorption, activated carbon adsorption layer and disinfection layer outside all are equipped with the frame, and the frame passes through fixing bolt detachable and sets up on the lateral wall of the case that outgases, the both sides wall on dry layer, the cotton layer of absorption, activated carbon adsorption layer and disinfection layer all is equipped with the handle.
The side wall of the air outlet box opposite to the air outlet is a blind end.
An opening is formed in one side, opposite to the air outlet, of the air outlet box, an end cover is arranged on the opening and detachably connected to the air outlet box through bolts, and a sealing rubber ring is connected between the end cover and the side wall of the air outlet box.
The air outlet mechanism comprises an air outlet cover, and the air outlet cover is communicated with the air inlet pipeline.
The air outlet mechanism comprises a plurality of air outlet pipes which are uniformly distributed at the lower part of the air inlet pipeline and communicated with the air inlet pipeline.
The utility model has the advantages that: the utility model discloses a tail gas absorbing device can discharge after the exhaust purification cooling, prevents to endanger workshop workman's healthy, can not cause thermal pollution and air pollution, has improved resident's living environment.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
in the figure: 1-a gas-collecting hood; 2-negative pressure fan; 3-an air inlet duct; 4-an air outlet cover; 5-a spray head; 6-spraying a plate; 7-a current breaker; 8-a cold plate; 9-a circulating pipe; 10-an air outlet box; 11-a dry layer; 12-an absorbent cotton layer; 13-an activated carbon adsorption layer; 14-a disinfecting and sterilizing layer; 15-fixing the bolt; 16-a handle; 17-a photocatalyst purifier; 18-a water inlet pipe; 19-water outlet pipe; 20-a liquid inlet pipe; 21-a liquid inlet pump; 22-waste pipe; 23-end caps; 24-an air outlet pipe; 25-an air inlet box;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further described with reference to the following examples:
specific example 1:
as shown in fig. 1, a tail gas dust-removing and purifying device for a heat preservation pipe production workshop comprises a gas collecting hood 1, an air inlet box 25 and an air outlet box 10, the gas collecting hood 1 is connected with an air inlet pipeline 3, a negative pressure fan 2 is arranged in the air inlet pipeline 3, the tail end of the air inlet pipeline 3 is introduced into the lower part of the air inlet box 25, the part of the air inlet pipeline 3 introduced into the air inlet box 25 is provided with an air outlet mechanism, a spraying mechanism and a condensing mechanism are arranged above the air inlet pipeline 3 in the air inlet box 25, the top wall of the air inlet box 25 is communicated with one side of the bottom wall of the air outlet box 10, a drying mechanism and an adsorption mechanism are sequentially arranged in the air outlet box 10 along the air flow direction, the drying mechanism and the adsorption mechanism are both detachably arranged in the air outlet box 10 through fixing bolts 15, an air outlet is arranged on the side wall of the air outlet box 10 at the outer side of the adsorption mechanism, the bottom of the side wall of the air inlet box 25 is communicated with a waste liquid pipe 22, and a waste liquid valve is arranged on the waste liquid pipe 22.
The spraying mechanism comprises a spraying plate 6, a gas outlet through hole is formed in the spraying plate 6, a plurality of spray heads 5 are fixed to the lower portion of the spraying plate 6, a liquid inlet pipe 20 is arranged outside the gas inlet box 25, the liquid inlet pipe 20 is communicated with the spray heads 5, and a liquid inlet pump 21 is arranged on the liquid inlet pipe 20.
Condensation mechanism includes a plurality of condensing panel 8, and 8 lower parts of condensing panel are equipped with the board 7 that breaks flows, and the board 7 that breaks flows is for falling "V" type, is equipped with cooling coil in the condensing panel 8, and the condensing coil entry intercommunication in the condensing panel 8 of the top has inlet tube 18, and the intercommunication has circulating pipe 9 between the condensing coil in the adjacent condensing panel 8, and the condensing coil export intercommunication in the condensing panel 8 of the below has outlet pipe 19, be equipped with the through-hole of giving vent to anger on the condensing panel 8, the crisscross setting of the through-hole of giving vent to anger on the adjacent condensing panel 8.
The condensation plate 8 is located above the shower plate 6.
Drying mechanism includes dry layer 11, and adsorption mechanism includes the cotton layer 12 of absorption, active carbon adsorption layer 13 and the layer 14 of disinfecting and sterilizing that sets gradually along the air current direction, and the opening inboard of case 10 that outgases is equipped with photocatalyst purifier 17, and dry layer 11, the cotton layer 12 of absorption, active carbon adsorption layer 13 and the 14 outsides of layer 14 of disinfecting and sterilizing all are equipped with the frame, and the frame passes through fixing bolt 15 detachable and sets up on the lateral wall of case 10 of giving vent to anger, dry layer 11, the cotton layer 12 of absorption, active carbon adsorption layer 13 and the both sides wall of layer 14 of disinfecting and sterilizing all are equipped with handle 16.
The side wall of the air outlet box 10 opposite to the air outlet is a blind end.
The air outlet mechanism comprises an air outlet cover 4, and the air outlet cover 4 is communicated with the air inlet pipeline 3.
The drying layer 11 can be silica gel drying agent, anhydrous calcium chloride drying agent, etc.
When the exhaust gas purification device is used, tail gas enters the air inlet pipeline 3 through the gas collecting hood 1 and is discharged through the gas outlet hood 4, absorption liquid is injected into the lower portion of the air inlet box 25, the outlet of the gas outlet hood 4 is located below the liquid level of the absorption liquid, the contact area is increased, the absorption efficiency of the tail gas is improved, the hot tail gas rises and is further absorbed by the absorption liquid sprayed by the spray head 5, cooling water is introduced into the cooling coil pipe in the condensing plate 8, the hot tail gas is condensed in the rising process, the condensing plate 8 is provided with a plurality of cooling water pipes, the temperature of the hot tail gas gradually decreases when the hot tail gas rises, the cooling water in the condensing plate 8 above is introduced into the condensing plate 8 below through the circulating pipe 9, the utilization efficiency of the cooling water is improved, the flow plate 7 is favorable for the condensate to trickle, the cooled tail gas gradually passes through the drying layer 11, the adsorption cotton layer 12, the activated carbon adsorption layer 13 and the, the drying layer 11, the absorbent cotton layer 12, the activated carbon absorbent layer 13 and the sterilization layer 14 can be replaced by removing the fixing bolts 15.
Specific example 2:
as shown in fig. 2, the tail gas dedusting and purifying device for the production workshop of the heat preservation pipe comprises a gas collecting hood 1, an air inlet box 25 and an air outlet box 10, the gas collecting hood 1 is connected with an air inlet pipeline 3, a negative pressure fan 2 is arranged in the air inlet pipeline 3, the tail end of the air inlet pipeline 3 is introduced into the lower part of the air inlet box 25, the part of the air inlet pipeline 3 introduced into the air inlet box 25 is provided with an air outlet mechanism, a spraying mechanism and a condensing mechanism are arranged above the air inlet pipeline 3 in the air inlet box 25, the top wall of the air inlet box 25 is communicated with one side of the bottom wall of the air outlet box 10, a drying mechanism and an adsorption mechanism are sequentially arranged in the air outlet box 10 along the air flow direction, the drying mechanism and the adsorption mechanism are both detachably arranged in the air outlet box 10 through fixing bolts 15, an air outlet is arranged on the side wall of the air outlet box 10 at the outer side of the adsorption mechanism, the bottom of the side wall of the air inlet box 25 is communicated with a waste liquid pipe 22, and a waste liquid valve is arranged on the waste liquid pipe 22.
The spraying mechanism comprises a spraying plate 6, a gas outlet through hole is formed in the spraying plate 6, a plurality of spray heads 5 are fixed to the lower portion of the spraying plate 6, a liquid inlet pipe 20 is arranged outside the gas inlet box 25, the liquid inlet pipe 20 is communicated with the spray heads 5, and a liquid inlet pump 21 is arranged on the liquid inlet pipe 20.
Condensation mechanism includes a plurality of condensing panel 8, and 8 lower parts of condensing panel are equipped with the board 7 that breaks flows, and the board 7 that breaks flows is for falling "V" type, is equipped with cooling coil in the condensing panel 8, and the condensing coil entry intercommunication in the condensing panel 8 of the top has inlet tube 18, and the intercommunication has circulating pipe 9 between the condensing coil in the adjacent condensing panel 8, and the condensing coil export intercommunication in the condensing panel 8 of the below has outlet pipe 19, be equipped with the through-hole of giving vent to anger on the condensing panel 8, the crisscross setting of the through-hole of giving vent to anger on the adjacent condensing panel 8.
The condensation plate 8 is located above the shower plate 6.
Drying mechanism includes dry layer 11, and adsorption mechanism includes the cotton layer 12 of absorption, active carbon adsorption layer 13 and the layer 14 of disinfecting and sterilizing that sets gradually along the air current direction, and the opening inboard of case 10 that outgases is equipped with photocatalyst purifier 17, and dry layer 11, the cotton layer 12 of absorption, active carbon adsorption layer 13 and the 14 outsides of layer 14 of disinfecting and sterilizing all are equipped with the frame, and the frame passes through fixing bolt 15 detachable and sets up on the lateral wall of case 10 of giving vent to anger, dry layer 11, the cotton layer 12 of absorption, active carbon adsorption layer 13 and the both sides wall of layer 14 of disinfecting and sterilizing all are equipped with handle 16.
An opening is formed in one side, opposite to the air outlet, of the air outlet box 10, an end cover 23 is arranged on the opening, the end cover 23 is detachably connected to the air outlet box 10 through bolts, and a sealing rubber ring is connected between the end cover 23 and the side wall of the air outlet box 10.
The air outlet mechanism comprises a plurality of air outlet pipes 24, and the air outlet pipes 24 are uniformly distributed at the lower part of the air inlet pipeline 3 and communicated with the inside of the air inlet pipeline 3.
The drying layer 11 can be silica gel drying agent, anhydrous calcium chloride drying agent, etc.
When the device is used, tail gas enters the air inlet pipeline 3 through the gas collecting hood 1 and is discharged through each air outlet pipe 24, absorption liquid is injected into the lower part of the air inlet box 25, the outlet of the air outlet pipe 24 is positioned below the liquid level of the absorption liquid, the contact area is increased, the absorption efficiency of the tail gas is improved, the hot tail gas rises and is further absorbed by the absorption liquid sprayed by the spray head 5, cooling water is introduced into a cooling coil pipe in the condensing plate 8, the hot tail gas is condensed in the rising process, a plurality of condensing plates 8 are arranged, the temperature of the hot tail gas is gradually reduced when the hot tail gas rises, the cooling water in the upper condensing plate 8 is introduced into the lower condensing plate 8 through a circulating pipe 9, the utilization efficiency of the cooling water is improved, the flow breaking plate 7 is beneficial to the condensate to drip, and the cooled tail gas gradually passes through the drying layer 11, the adsorption cotton layer 12, the activated carbon adsorption layer 13 and the disinfection layer 14 and is finally purified by the photocatalyst purifier 17 and then discharged; the drying layer 11, the adsorption cotton layer 12, the activated carbon adsorption layer 13 and the disinfection and sterilization layer 14 can be replaced by detaching the end cover 23, so that the photocatalyst purifier 17 does not need to be taken down, and the replacement is more convenient.
The utility model discloses a tail gas absorbing device can discharge after the exhaust purification cooling, prevents to endanger workshop workman's healthy, can not cause thermal pollution and air pollution, has improved resident's living environment.
The above exemplary description of the present invention is provided, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or direct application to other occasions without improvement are all within the protection scope of the present invention.
Claims (9)
1. The tail gas dedusting and purifying device for the heat-insulating pipe production workshop is characterized by comprising a gas collecting hood (1), an air inlet box (25) and an air outlet box (10), wherein the gas collecting hood (1) is connected with an air inlet pipeline (3), a negative pressure fan (2) is arranged in the air inlet pipeline (3), the tail end of the air inlet pipeline (3) is introduced into the inner lower part of the air inlet box (25), an air outlet mechanism is arranged at the part of the air inlet pipeline (3) introduced into the air inlet box (25), a spraying mechanism and a condensing mechanism are arranged above the air inlet pipeline (3) in the air inlet box (25), the top wall of the air inlet box (25) is communicated with one side of the bottom wall of the air outlet box (10), a drying mechanism and an adsorption mechanism are sequentially arranged in the air outlet box (10) along the gas flow direction, the drying mechanism and the adsorption mechanism are detachably arranged in the air outlet box (10) through fixing bolts (15), and the side wall of the, the bottom of the side wall of the air inlet box (25) is communicated with a waste liquid pipe (22), and a waste liquid valve is arranged on the waste liquid pipe (22).
2. The tail gas dedusting and purifying device for the thermal insulation pipe production workshop as claimed in claim 1, wherein the spraying mechanism comprises a spraying plate (6), the spraying plate (6) is provided with gas outlet through holes, a plurality of spray heads (5) are fixed at the lower part of the spraying plate (6), a liquid inlet pipe (20) is arranged outside the air inlet box (25), the liquid inlet pipe (20) is communicated with the spray heads (5), and a liquid inlet pump (21) is arranged on the liquid inlet pipe (20).
3. The tail gas dedusting and purifying device for the insulating tube production workshop as claimed in claim 2, wherein the condensing mechanism comprises a plurality of condensing plates (8), a flow breaking plate (7) is arranged on the lower portion of each condensing plate (8), the flow breaking plate (7) is of an inverted V shape, a cooling coil is arranged in each condensing plate (8), an inlet of the condensing coil in the uppermost condensing plate (8) is communicated with a water inlet pipe (18), a circulating pipe (9) is communicated between the condensing coils in the adjacent condensing plates (8), an outlet of the condensing coil in the lowermost condensing plate (8) is communicated with a water outlet pipe (19), air outlet through holes are formed in each condensing plate (8), and the air outlet through holes in the adjacent condensing plates (8) are arranged in a staggered manner.
4. The tail gas dedusting and purifying device for the insulating tube production workshop as claimed in claim 3, wherein the condensation plate (8) is positioned above the spray plate (6).
5. The tail gas dedusting and purifying device for the heat-insulating pipe production workshop as claimed in claim 4, wherein the drying mechanism comprises a drying layer (11), the adsorption mechanism comprises an adsorption cotton layer (12), an activated carbon adsorption layer (13) and a disinfection and sterilization layer (14) which are sequentially arranged along the air flow direction, a photocatalyst purifier (17) is arranged on the inner side of an opening of the air outlet box (10), outer frames are arranged on the outer sides of the drying layer (11), the adsorption cotton layer (12), the activated carbon adsorption layer (13) and the disinfection and sterilization layer (14), the outer frames are detachably arranged on the side wall of the air outlet box (10) through fixing bolts (15), and handles (16) are arranged on the two side walls of the drying layer (11), the adsorption cotton layer (12), the activated carbon adsorption layer (13) and the disinfection and sterilization layer (14).
6. The tail gas dedusting and purifying device for the thermal insulation pipe production workshop as claimed in claim 5, wherein the side wall of the gas outlet box (10) opposite to the gas outlet is a blind end.
7. The tail gas dedusting and purifying device for the heat preservation pipe production workshop as claimed in claim 5, wherein an opening is formed in one side, opposite to the gas outlet, of the gas outlet box (10), an end cover (23) is arranged on the opening, the end cover (23) is detachably connected to the gas outlet box (10) through a bolt, and a sealing rubber ring is connected between the end cover (23) and the side wall of the gas outlet box (10).
8. The tail gas dedusting and purifying device for the insulating tube production workshop as claimed in claim 6 or 7, wherein the gas outlet mechanism comprises a gas outlet cover (4), and the gas outlet cover (4) is communicated with the gas inlet pipeline (3).
9. The tail gas dedusting and purifying device for the thermal insulation pipe production workshop according to claim 6 or 7, wherein the gas outlet mechanism comprises a plurality of gas outlet pipes (24), and the gas outlet pipes (24) are uniformly distributed at the lower part of the gas inlet pipeline (3) and are communicated with the gas inlet pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334325.4U CN212262800U (en) | 2019-12-24 | 2019-12-24 | Tail gas dust removal purification device for insulating tube workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334325.4U CN212262800U (en) | 2019-12-24 | 2019-12-24 | Tail gas dust removal purification device for insulating tube workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212262800U true CN212262800U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922334325.4U Expired - Fee Related CN212262800U (en) | 2019-12-24 | 2019-12-24 | Tail gas dust removal purification device for insulating tube workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212262800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054182A (en) * | 2019-12-24 | 2020-04-24 | 中投(天津)智能管道股份有限公司 | Tail gas dust removal purification device for insulating tube workshop |
-
2019
- 2019-12-24 CN CN201922334325.4U patent/CN212262800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054182A (en) * | 2019-12-24 | 2020-04-24 | 中投(天津)智能管道股份有限公司 | Tail gas dust removal purification device for insulating tube workshop |
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| GR01 | Patent grant | ||
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Granted publication date: 20210101 |