CN211358063U - Industrial energy-saving and environment-friendly integrated device - Google Patents
Industrial energy-saving and environment-friendly integrated device Download PDFInfo
- Publication number
- CN211358063U CN211358063U CN201922426235.8U CN201922426235U CN211358063U CN 211358063 U CN211358063 U CN 211358063U CN 201922426235 U CN201922426235 U CN 201922426235U CN 211358063 U CN211358063 U CN 211358063U
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- Prior art keywords
- pipe
- filtering
- gas
- connecting plate
- disc
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- 238000001914 filtration Methods 0.000 claims abstract description 59
- 239000007789 gas Substances 0.000 claims abstract description 55
- 239000000428 dust Substances 0.000 claims abstract description 50
- 239000002912 waste gas Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000005273 aeration Methods 0.000 claims abstract description 23
- 238000009826 distribution Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000000746 purification Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009776 industrial production Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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Abstract
An industrial energy-saving and environment-friendly integrated device comprises a filtering device, a heat exchange device and a purifying device; the connecting plate is horizontally arranged in the filtering device, and the dust filtering component is arranged at the bottom of the connecting plate; the blower is arranged on the filtering device, and a blowing pipe is arranged on the blower; the air injection pipe is arranged on the blast pipe and penetrates into the filtering device; the air distributing disc and the air collecting disc are arranged in the heat exchange device, and the heat conducting pipes are communicated with the air distributing disc and the air collecting disc; the first conveying pipe is communicated with the filtering device and the air distribution disc; the second conveying pipe is communicated with the air collecting disc and the second connecting box; the rotating piece is vertically provided with a gas transmission channel; the aeration pipe is arranged on the rotating piece and communicated with the gas transmission channel; the transmission shaft is rotatably arranged on the first connecting box and connected with the driving device, and the transmission shaft is in transmission connection with the rotating part. The utility model discloses not only can remove dust and purify the hot waste gas that produces in the industrial production, can also carry out recycle to the heat energy in the hot waste gas, energy-concerving and environment-protective, the treatment effect is good, has the practicality.
Description
Technical Field
The utility model relates to an industrial waste gas purification technical field especially relates to an industrial energy-concerving and environment-protective integrated device.
Background
A large amount of hot waste gas can be generated in industrial production, and the hot waste gas not only contains pollutants such as dust particles and acid gas, but also contains certain heat energy;
at present, hot waste gas generated in industrial production is generally directly discharged into the atmosphere, so that the environment is polluted, the health of people is harmed, and heat energy in the hot waste gas is wasted and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides an industrial energy-concerving and environment-protective integrated device not only can remove dust and purify the hot waste gas that produces in the industrial production, can also carry out recycle to the heat energy in the hot waste gas, and energy-concerving and environment-protective, the treatment effect is good, has the practicality.
(II) technical scheme
The utility model provides an industrial energy-saving and environment-friendly integrated device, which comprises a filtering device, a heat exchange device, a purifying device, a first conveying pipe, a second conveying pipe, a connecting plate, a dust filtering component, a blower, an air injection pipe, an air distribution disc, an air collection disc, a heat conducting pipe, a driving device, a transmission shaft, a rotating piece and an aeration pipe;
the filtering device is provided with an exhaust gas input pipe, the connecting plate is horizontally arranged in the filtering device, and the communication part of the exhaust gas input pipe and the filtering device is positioned below the connecting plate; the connecting plate is provided with a through hole, and the dust filtering component is arranged at the bottom of the connecting plate and covers the through hole; the dust filtering assembly comprises an opening frame and filter bags, the filter bags are arranged on the outer surface of the opening frame, and openings are uniformly formed in the opening frame; the blower is arranged on the filtering device, and a blowing pipe is arranged on the blower; the air injection pipe is arranged on the blast pipe and vertically penetrates into the filtering device downwards, and the air injection direction faces the through hole;
the water solution is added in the heat exchange device, the gas distribution disc and the gas collection disc are horizontally arranged in the heat exchange device, and the gas collection disc is positioned below the gas distribution disc; a plurality of groups of heat conducting pipes are communicated with the gas distribution disc and the gas collection disc; the first conveying pipe is communicated with the filtering device and the air distribution disc, and the communication position of the first conveying pipe and the filtering device is positioned above the connecting plate;
the purifying device is provided with a first connecting box and an exhaust pipe; the top of the first connecting box is provided with a second connecting box, and a second conveying pipe is communicated with the air collecting disc and the second connecting box; the purifying device is added with treatment liquid, and the rotating piece is vertically arranged and is rotationally connected with the purifying device; the rotating piece is vertically provided with a gas transmission channel with an upward opening, and an input port of the gas transmission channel is positioned in the second connecting box; the aeration pipe is arranged on the rotating piece and communicated with the gas transmission channel, and is immersed in the treatment liquid; the driving device is arranged on the first connecting box, the transmission shaft is rotatably arranged on the first connecting box and connected with the output end of the driving device, and the transmission shaft is in transmission connection with the rotating part.
Preferably, the heat exchange device is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a control valve.
Preferably, the purification device is provided with a liquid feeding pipe and a liquid discharging pipe, and the liquid feeding pipe and the liquid discharging pipe are respectively provided with a control valve.
Preferably, the bottom of the filtering device is provided with a dust collecting hopper, the dust collecting hopper is provided with a dust exhaust pipe, and the dust exhaust pipe is provided with a valve.
Preferably, the dust filtering assemblies are arranged on the connecting plate in multiple circles, and each circle of dust filtering assemblies is distributed around the circle center of the connecting plate in an annular array.
Preferably, the opening frame is provided with a connecting ring with external threads, the through hole is a threaded hole, and the connecting ring is in threaded connection with the connecting plate.
Preferably, the aeration pipe is provided with a plurality of circles in the vertical direction, and each circle of aeration pipe is distributed around the rotating piece in an annular array.
Preferably, the device further comprises a vacuum pump; the vacuum pump is arranged on the purification device, and the exhaust pipe is connected with the vacuum pump.
Preferably, the transmission shaft is provided with bevel gears, the rotating part is provided with bevel gears, and the two bevel gears are positioned in the first connecting box and are in meshing transmission connection.
The above technical scheme of the utility model has following profitable technological effect:
waste gas enters the filtering device through the waste gas input pipe, and the dust filtering component filters the waste gas to filter dust particles in the waste gas; when a large amount of dust particles are attached to the filter bag, high-pressure gas is blown into the filter bag by the blower, the gas is sprayed into the filter bag downwards by the gas spraying pipe, and the dust particles attached to the filter bag drop off by reverse spraying, so that the filtering effect and the filtering efficiency are ensured;
the dedusted waste gas enters the gas distribution disc, the waste gas is uniformly distributed into each heat conduction pipe, the heat in the waste gas is conducted into the water solution by the heat conduction pipes, the water solution in the heat exchange device fully absorbs the heat in the waste gas, the heat in the waste gas is recycled, and the energy conservation and environmental protection are realized;
the waste gas after heat exchange enters the second connecting box and is uniformly dispersed into each aeration pipe through the gas transmission channel on the rotating piece, and the aeration pipes uniformly disperse the waste gas into the treatment liquid, so that the waste gas is fully contacted with the treatment liquid, and the purification of the waste gas is realized; and drive arrangement makes through the transmission shaft and rotates the piece and carry out horizontal direction circumference and rotate, and each aeration pipe rotates thereupon, plays the effect of stirring, helps the abundant contact of waste gas and treatment fluid, is showing and is improving purifying effect and purification efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an industrial energy-saving and environment-friendly integrated device provided by the utility model.
Fig. 2 is a schematic structural diagram of a filtering apparatus in the industrial energy-saving and environment-friendly integration apparatus provided by the present invention.
Fig. 3 is a schematic structural diagram of a heat exchange device in the industrial energy-saving and environment-friendly integrated device provided by the present invention.
Fig. 4 is a schematic structural diagram of a purification device in the industrial energy-saving and environment-friendly integrated device provided by the utility model.
Fig. 5 is a schematic structural diagram of a dust filtering assembly in the industrial energy-saving and environment-friendly integrated device provided by the present invention.
Fig. 6 is a schematic view (overlooking) of the connection between the rotating member and the aeration tube in the integrated energy-saving and environment-friendly device for industrial use of the present invention.
Reference numerals: 1. a filtration device; 2. a heat exchange device; 3. a purification device; 4. an exhaust gas input pipe; 5. a first delivery pipe; 6. a second delivery pipe; 7. a connecting plate; 8. a through hole; 9. a dust filtration assembly; 10. a dust collecting hopper; 11. a blower; 12. a blast pipe; 13. a gas ejector tube; 14. an opening frame; 15. a filter bag; 16. a gas distribution plate; 17. a gas collecting tray; 18. a heat conducting pipe; 19. a first connection box; 20. a second connecting box; 21. a drive device; 22. a drive shaft; 23. a rotating member; 24. an aeration pipe; 25. an exhaust pipe; 26. a water inlet pipe; 27. a water outlet pipe; 28. a liquid feeding pipe; 29. and a liquid discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides an industrial energy-saving and environment-friendly integrated device, which comprises a filtering device 1, a heat exchange device 2, a purifying device 3, a first conveying pipe 5, a second conveying pipe 6, a connecting plate 7, a dust filtering component 9, a blower 11, an air injection pipe 13, an air distribution disc 16, an air collection disc 17, a heat conducting pipe 18, a driving device 21, a transmission shaft 22, a rotating part 23 and an aeration pipe 24;
the filtering device 1 is provided with an exhaust gas input pipe 4, the connecting plate 7 is horizontally arranged in the filtering device 1, and the communication part of the exhaust gas input pipe 4 and the filtering device 1 is positioned below the connecting plate 7; the connecting plate 7 is provided with a through hole 8, and the dust filtering component 9 is arranged at the bottom of the connecting plate 7 and covers the through hole 8; the dust filtering assembly 9 comprises an opening frame 14 and a filter bag 15, the filter bag 15 is arranged on the outer surface of the opening frame 14, and openings are uniformly formed in the opening frame 14; the dust filtering components 9 are arranged on the connecting plate 7 in multiple circles, and each circle of dust filtering components 9 are distributed in an annular array around the circle center of the connecting plate 7; the blower 11 is arranged on the filtering device 1, and a blower pipe 12 is arranged on the blower 11; the air injection pipe 13 is arranged on the blast pipe 12 and vertically penetrates into the filtering device 1 downwards, and the air injection direction faces to the through hole 8;
the water solution is added in the heat exchange device 2, the gas distribution disc 16 and the gas collection disc 17 are horizontally arranged in the heat exchange device 2, and the gas collection disc 17 is positioned below the gas distribution disc 16; cavities are arranged inside the gas distribution disc 16 and the gas collection disc 17, and the plurality of groups of heat conduction pipes 18 are communicated with the gas distribution disc 16 and the gas collection disc 17; the first conveying pipe 5 is communicated with the filtering device 1 and the air distribution disc 16, and the communication position of the first conveying pipe 5 and the filtering device 1 is positioned above the connecting plate 7; the heat exchange device 2 is provided with a water inlet pipe 26 and a water outlet pipe 27, and the water inlet pipe 26 and the water outlet pipe 27 are respectively provided with a control valve;
the purification device 3 is provided with a first connecting box 19 and an exhaust pipe 25; the top of the first connecting box 19 is provided with a second connecting box 20, and the second conveying pipe 6 is communicated with the air collecting disc 17 and the second connecting box 20; the purifying device 3 is added with treatment liquid, and the rotating piece 23 is vertically arranged and is rotationally connected with the purifying device 3; the rotating part 23 is vertically provided with a gas transmission channel with an upward opening, and an input port of the gas transmission channel is positioned in the second connecting box 20; the aeration pipe 24 is arranged on the rotating piece 23 and communicated with the gas transmission channel, and the aeration pipe 24 is immersed in the treatment liquid; the aeration pipe 24 is provided with a plurality of circles in the vertical direction, and each circle of aeration pipe 24 is distributed around the rotating piece 23 in an annular array; the driving device 21 is arranged on the first connecting box 19, the transmission shaft 22 is rotatably arranged on the first connecting box 19 and connected with the output end of the driving device 21, and the transmission shaft 22 is in transmission connection with the rotating piece 23; the purification device 3 is provided with a liquid feeding pipe 28 and a liquid discharging pipe 29, and the liquid feeding pipe 28 and the liquid discharging pipe 29 are respectively provided with a control valve.
In an alternative embodiment, the bottom of the filter device 1 is provided with a dust hopper 10, the dust hopper 10 is provided with a dust exhaust pipe, and the dust exhaust pipe is provided with a valve. In operation, filter off the dust particulate matter that filters and fall into dust hopper 10, the dust particulate matter that dust hopper 10 collected is discharged through the dust exhaust pipe, conveniently collects and discharges the dust particulate matter.
In an alternative embodiment, the opening frame 14 is provided with a connecting ring with external threads, the through hole 8 is a threaded hole, and the connecting ring is in threaded connection with the connecting plate 7, so that the dust filter assembly 9 can be conveniently mounted and dismounted, the dust filter assembly 9 can be conveniently replaced, and the use is convenient.
In an optional embodiment, further comprises a vacuum pump; the vacuum pump is provided on the purification apparatus 3, and the exhaust pipe 25 is connected to the vacuum pump. In operation, the vacuum pump draws the interior of the purification apparatus 3 to a negative pressure state, which contributes to the discharge of purified gas and can significantly improve the efficiency of waste gas treatment.
In an alternative embodiment, the transmission shaft 22 is provided with bevel gears, the rotating member 23 is provided with bevel gears, the bevel gears are positioned in the first connecting box 19 and are in meshed transmission connection, and the transmission shaft 22 enables the rotating member 23 to perform horizontal circumferential rotation through the bevel gears.
In an alternative embodiment, the heat pipe 18 is a coil.
In the utility model, when in use, the waste gas generated in industrial production enters the filtering device 1 through the waste gas input pipe 4, and the dust filtering component 9 filters the waste gas to filter dust particles in the waste gas; when a large amount of dust particles are attached to the filter bag 15, high-pressure gas is blown into the filter bag 11, the gas is downwards sprayed into the filter bag 15 through the gas spraying pipe 13, and the dust particles attached to the filter bag 15 fall off through reverse spraying, so that the filtering effect and the filtering efficiency are ensured;
the dedusted waste gas enters the gas distribution disc 16, the waste gas is uniformly dispersed into each heat conduction pipe 18, the heat in the waste gas is conducted into the water solution by the heat conduction pipes 18, the water solution in the heat exchange device 2 fully absorbs the heat in the waste gas, the heat in the waste gas is recycled, and the energy conservation and environmental protection are realized;
the waste gas after heat exchange enters the second connecting box 20 and is uniformly dispersed into each aeration pipe 24 through the gas transmission channel on the rotating piece 23, and the aeration pipes 24 uniformly disperse the waste gas into a treatment liquid (generally alkali liquid for removing acid gas in the waste gas) to purify the waste gas; and the driving device 21 makes the rotating piece 23 rotate circularly in the horizontal direction through the transmission shaft 22, and each aeration pipe 24 rotates along with the rotation, so that the function of stirring is achieved, the full contact between the waste gas and the treatment liquid is facilitated, and the purification effect and the purification efficiency are obviously improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. An industrial energy-saving and environment-friendly integrated device is characterized by comprising a filtering device (1), a heat exchange device (2), a purifying device (3), a first conveying pipe (5), a second conveying pipe (6), a connecting plate (7), a dust filtering assembly (9), a blower (11), an air injection pipe (13), an air distribution disc (16), an air collection disc (17), a heat conducting pipe (18), a driving device (21), a transmission shaft (22), a rotating piece (23) and an aeration pipe (24);
the filtering device (1) is provided with a waste gas input pipe (4), the connecting plate (7) is horizontally arranged in the filtering device (1), and the communicating part of the waste gas input pipe (4) and the filtering device (1) is positioned below the connecting plate (7); a through hole (8) is arranged on the connecting plate (7), and the dust filtering component (9) is arranged at the bottom of the connecting plate (7) and covers the through hole (8); the dust filtering component (9) comprises an opening frame (14) and a filter bag (15), the filter bag (15) is arranged on the outer surface of the opening frame (14), and openings are uniformly formed in the opening frame (14); the blower (11) is arranged on the filtering device (1), and a blower pipe (12) is arranged on the blower (11); the air injection pipe (13) is arranged on the blast pipe (12) and vertically penetrates into the filtering device (1) downwards, and the air injection direction faces to the through hole (8);
the water solution is added into the heat exchange device (2), the gas distribution disc (16) and the gas collection disc (17) are horizontally arranged in the heat exchange device (2), and the gas collection disc (17) is positioned below the gas distribution disc (16); cavities are arranged inside the gas distribution disc (16) and the gas collection disc (17), and the number of the heat conduction pipes (18) is multiple and is communicated with the gas distribution disc (16) and the gas collection disc (17); the first conveying pipe (5) is communicated with the filtering device (1) and the air distribution disc (16), and the communication position of the first conveying pipe (5) and the filtering device (1) is positioned above the connecting plate (7);
the purification device (3) is provided with a first connecting box (19) and an exhaust pipe (25); a second connecting box (20) is arranged at the top of the first connecting box (19), and the second conveying pipe (6) is communicated with the air collecting disc (17) and the second connecting box (20); the purifying device (3) is added with treatment liquid, and the rotating piece (23) is vertically arranged and is rotationally connected with the purifying device (3); the rotating piece (23) is vertically provided with a gas transmission channel with an upward opening, and an input port of the gas transmission channel is positioned in the second connecting box (20); the aeration pipe (24) is arranged on the rotating piece (23) and communicated with the gas transmission channel, and the aeration pipe (24) is immersed in the treatment liquid; the driving device (21) is arranged on the first connecting box (19), the transmission shaft (22) is rotatably arranged on the first connecting box (19) and is connected with the output end of the driving device (21), and the transmission shaft (22) is in transmission connection with the rotating piece (23).
2. An industrial energy-saving environment-friendly integrated device as claimed in claim 1, wherein the heat exchange device (2) is provided with a water inlet pipe (26) and a water outlet pipe (27), and the water inlet pipe (26) and the water outlet pipe (27) are respectively provided with a control valve.
3. The industrial energy-saving environment-friendly integrated device as claimed in claim 1, wherein the purification device (3) is provided with a liquid feeding pipe (28) and a liquid discharging pipe (29), and the liquid feeding pipe (28) and the liquid discharging pipe (29) are respectively provided with a control valve.
4. An industrial energy-saving environment-friendly integrated device as claimed in claim 1, wherein the bottom of the filtering device (1) is provided with a dust hopper (10), the dust hopper (10) is provided with a dust exhaust pipe, and the dust exhaust pipe is provided with a valve.
5. An industrial energy-saving and environment-friendly integrated device as claimed in claim 1, wherein the dust filtering components (9) are arranged on the connecting plate (7) in a plurality of circles, and each circle of dust filtering components (9) are distributed in an annular array around the center of the connecting plate (7).
6. The industrial energy-saving environment-friendly integrated device as claimed in claim 1, wherein the opening frame (14) is provided with a connecting ring with external threads, the through hole (8) is a threaded hole, and the connecting ring is in threaded connection with the connecting plate (7).
7. The industrial energy-saving and environment-friendly integrated device as claimed in claim 1, wherein the aeration pipe (24) is provided with a plurality of circles in the vertical direction, and each circle of aeration pipe (24) is distributed around the rotating member (23) in an annular array.
8. The industrial energy-saving environment-friendly integrated device as claimed in claim 1, further comprising a vacuum pump; the vacuum pump is arranged on the purification device (3), and the exhaust pipe (25) is connected with the vacuum pump.
9. The industrial energy-saving and environment-friendly integrated device as claimed in claim 1, wherein the transmission shaft (22) is provided with bevel gears, the rotating member (23) is provided with bevel gears, and the bevel gears are positioned in the first connecting box (19) and are in meshed transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426235.8U CN211358063U (en) | 2019-12-28 | 2019-12-28 | Industrial energy-saving and environment-friendly integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426235.8U CN211358063U (en) | 2019-12-28 | 2019-12-28 | Industrial energy-saving and environment-friendly integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211358063U true CN211358063U (en) | 2020-08-28 |
Family
ID=72165602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922426235.8U Expired - Fee Related CN211358063U (en) | 2019-12-28 | 2019-12-28 | Industrial energy-saving and environment-friendly integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211358063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743144A (en) * | 2021-01-09 | 2021-05-04 | 谌艺敏 | Multifunctional cutting device for steel plate processing |
| CN112880420A (en) * | 2021-01-12 | 2021-06-01 | 黄秋霞 | Energy-concerving and environment-protective steel smelting processingequipment |
| CN114011228A (en) * | 2021-11-09 | 2022-02-08 | 成天洪 | Industrial waste gas dust removal desulfurization integration system |
| CN114011215A (en) * | 2021-11-09 | 2022-02-08 | 成天洪 | Industrial waste gas dedusting and desulfurizing process |
-
2019
- 2019-12-28 CN CN201922426235.8U patent/CN211358063U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743144A (en) * | 2021-01-09 | 2021-05-04 | 谌艺敏 | Multifunctional cutting device for steel plate processing |
| CN112743144B (en) * | 2021-01-09 | 2022-01-25 | 蓬莱大金海洋重工有限公司 | Multifunctional cutting device for steel plate processing |
| CN112880420A (en) * | 2021-01-12 | 2021-06-01 | 黄秋霞 | Energy-concerving and environment-protective steel smelting processingequipment |
| CN114011228A (en) * | 2021-11-09 | 2022-02-08 | 成天洪 | Industrial waste gas dust removal desulfurization integration system |
| CN114011215A (en) * | 2021-11-09 | 2022-02-08 | 成天洪 | Industrial waste gas dedusting and desulfurizing process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |