CN203389475U - Water dust collecting device capable of preventing dust pollution - Google Patents
Water dust collecting device capable of preventing dust pollution Download PDFInfo
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- CN203389475U CN203389475U CN201320443868.XU CN201320443868U CN203389475U CN 203389475 U CN203389475 U CN 203389475U CN 201320443868 U CN201320443868 U CN 201320443868U CN 203389475 U CN203389475 U CN 203389475U
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- water tank
- air inlet
- inlet pipe
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- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 239000000428 dust Substances 0.000 title claims abstract description 81
- 230000008602 contraction Effects 0.000 claims description 34
- 238000011109 contamination Methods 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 238000005422 blasting Methods 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 241000628997 Flos Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a water dust collecting device capable of preventing dust collection, belonging to the technical field of wet-type process dust collectors. The water dust collecting device capable of preventing dust pollution disclosed by the utility model comprises a gas inlet tube joint tube, a front water tank, a water tank connecting pipeline, a rear water tank and a discharging tube, wherein a gas discharge tube of a dust pollution source is connected with the front water tank by the gas inlet tube joint tube; the outlet of the front water tank is connected with the inlet of the rear water tank by the water tank connecting pipeline; gas exhausted by the rear water tank is discharged outwards by the discharging tube; air-passing section of the gas inlet tube is gradually increased before gas inlet tubes of the front water tank and the rear water tank enter the water; after the gas inlet tubes of the front water tank and the rear water tank enter the water, the gas inlet tubes are porous spray heads, and the sum of areas of the holes is greater than the inlet area. After adopting the technical scheme of the utility model, the dust can be completely dissolved in the water of the front water tank and the rear water tank, so that the gas containing much dust is purified and working environment is improved; although structure is simple, yet effect is very remarkable.
Description
Technical field
The utility model relates to the deduster technical field as release agent with liquid, more particularly, relates to a kind of dust collect unit by water that prevents dust pollution.
Background technology
Industrial dedusting mainly contains dry dust removal and the large class of wet dust removal two, wherein dry dust removal mainly comprises dust settling pocket technique and electrostatic precipitation technology, wet dust removal mainly contains spray column, foaming tower, Venturi tube, impact or self-excitation dedusting technology etc., various technology all have many advantages separately, but its deficiency is still more outstanding, wherein the major defect of dry dust removal is that investment is large, operating cost is high, floor space is large, and wet dust removal is subject to the restriction of dust characteristic, under the dust condition adapting to, should focus on the problems such as efficiency of dust collection, service life and water consumption.
Wet scrubber is the equipment that utilizes the effect removal dust of water or other liquid and dusty gas, when the water droplet of grit and sprinkling, moisture film or moistening device arm, device meet, there is to soak, condense, spread the processes such as sedimentation, thereby grit is separated from gas, reach the object of purification.Wet scrubber has advantages of that investment is low, simple to operate, floor space is little, also can carry out the purification of pernicious gas, the cooling and humidification of dusty gas simultaneously, has been widely used in air pollution control and the gas purification of industrial production all departments at present.For example, a lot of iron companies have just adopted wet scrubber dedusting for the quick lime airborne dust problem of sintering plant proportioning room.
Also there is certain defect in existing wet scrubber: for example, the blast of air inlet pipe is excessive, causes dust to fail to dissolve in water completely, thereby cause efficiency of dust collection low; And for example, dedust air duct easily stops up, and affects thus dust removing effects, directly causes wet scrubber normally not use; For another example, sewage is not recycled effectively, causes clear water to consume excessive; Etc..At present, in machinery production, the Shot Blasting workload of workpiece is often very large, and the general dust pollution of ball blast site environment is very serious, brings fatal harm to operator's health, is badly in need of adopting the high and stable cleaner of efficiency of dust collection.
Through patent retrieval, open about the existing related art scheme of wet scrubber, as: Chinese Patent Application No.: 200410005137.2, the applying date: on February 6th, 2004, invention and created name is: smoke dust collector, the operation principle of this application case is that the flue dust that air-introduced machine is discharged boiler is introduced two approach through air-introduced machine, the first approach: when air-introduced machine is worked, by air-introduced machine, flue dust is introduced to pressor areas, through access valve, enter an airtight water tank bottom, by aperture, discharged again, through steel silk floss, minute bubbles are cut apart again, particle in cigarette is stayed in water, particulate matter is deposited to the crystallizing field of smoke pipe and water tank bottom, last cigarette is collected by the collecting pipe of top, the second approach: when air-introduced machine is not worked, open access valve, cigarette is the water tank with shower nozzle by a top, due to water meeting and particle combination, particle is gained in weight, and enters in water, for preventing that cigarette from entering drainpipe, will have water level valve below, cigarette enters collecting pipe with regard to not entering return pipe like this.This application case is offered aperture on smoke-intake pipe, and in conjunction with steel silk floss, the particle in flue gas is stayed in water, can increase efficiency of dust collection to a certain extent, and still, for the high pressure dust of shot-blasting machine, its structural design is not enough to solve completely dust pollution question.
Utility model content
1. the technical problem that utility model will solve
The efficiency of dust collection that the purpose of this utility model is to overcome water dedusting in prior art is low, and baroque deficiency, a kind of dust collect unit by water that prevents dust pollution is provided, adopt the technical solution of the utility model, the air-flow of air inlet pipe is sprayed in water, and make water fogging, through two stages for the treatment of, reach dustless discharge.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of dust collect unit by water that prevents dust pollution of the present utility model, comprise air inlet pipe adapter, front water tank, water tank connecting pipe road, rear water box and delivery pipe, described air inlet pipe is taken over the blast pipe in dust pollution source is connected with front water tank, water tank connecting pipe road is connected the outlet of front water tank with the entrance of rear water box, the gas that delivery pipe is discharged rear water box externally discharges, wherein: described front water tank and the air inlet pipe of rear water box are before entering water, and the Guo Feng cross section of air inlet pipe progressively increases; Described front water tank and the air inlet pipe of rear water box are after entering water, and air inlet pipe is porous nozzle, and each hole area sum is greater than inlet area.
As the utility model, further improve, the air inlet pipe of described front water tank comprises the first expansion segment and the first contraction section, the upper end of this air inlet pipe is connected mutually with the top of front water tank, the bottom that described air inlet pipe is taken over is also connected mutually with the top of front water tank, and above-mentioned air inlet pipe is taken over and is connected with air inlet pipe; The first described expansion segment is up-small and down-big pyramidal structure, the bottom of this first expansion segment is connected mutually with the top of the first contraction section, this first contraction section is up big and down small pyramidal structure, on the sidewall of this first contraction section, offer several the first orifices, the area sum of each first orifice is greater than the top inlet area of the first contraction section.
As the utility model, further improve, the air inlet pipe of described rear water box comprises the second expansion segment and the second contraction section, the upper end of this air inlet pipe is connected mutually with the top of rear water box, described water tank connecting pipe Dao bottom is also connected mutually with the top of rear water box, and above-mentioned air inlet pipe is connected with water tank connecting pipe road; The second described expansion segment is up-small and down-big pyramidal structure, the bottom of this second expansion segment is connected mutually with the top of the second contraction section, this second contraction section is up big and down small pyramidal structure, on the sidewall of this second contraction section, offer several the second orifices, the area sum of each second orifice is greater than the top inlet area of the second contraction section.
As the utility model, further improve, described water tank connecting pipe road comprises tilting section passage, ascent stage passage, horizontal segment passage and descending branch passage, the described entrance of tilting section passage and the outlet of front water tank are connected, the top board of this tilting section passage is level board, its base plate is hang plate, and the entrance height of this hang plate is lower than the open height that goes out of this hang plate; The outlet of described tilting section passage is connected with the entrance of ascent stage passage, and this ascent stage passage vertically arranges; The entrance of described horizontal segment passage is connected with the outlet of ascent stage passage, and this horizontal segment passage is horizontally disposed with; Described descending branch passage connects the outlet of horizontal segment passage and the entrance of the second expansion segment, and above-mentioned ascent stage passage and descending branch passage are parallel to each other.
As the utility model, further improve, on the top board of described tilting section passage, be vertically fixed with eliminator plate, between this eliminator plate and top board, connection strengthening rib is installed.
As the utility model, further improve, in described front water tank and a upright side walls of rear water box, be all connected with dismountable side plate of removing contamination, the bottom of this side plate of removing contamination is provided with blowoff valve, and the top of this side plate of removing contamination is provided with handle.
As the utility model, further improve, described air inlet pipe is taken over the top of front water tank and is bolted, and described delivery pipe and the top of rear water box are also bolted, and above-mentioned air inlet pipe is taken over and delivery pipe is all vertically installed.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following remarkable result:
(1) a kind of dust collect unit by water that prevents dust pollution of the present utility model, the air inlet pipe of its front water tank and rear water box is before entering water, the Guo Feng cross section of air inlet pipe progressively increases, air inlet pipe is porous nozzle after entering water, each hole area sum is greater than inlet area, adopt the structural design that in the utility model, porous is sprayed, can make water atomization, thereby dust is dissolved in the water of water tank completely, greatly improved efficiency of dust collection, thereby purified the dusty gas of discharging in industrial processes, improved working environment;
(2) a kind of dust collect unit by water that prevents dust pollution of the present utility model, its water tank connecting pipe road comprises tilting section passage, ascent stage passage, horizontal segment passage and descending branch passage, and on the top board of tilting section passage, be vertically fixed with eliminator plate, eliminator plate has backflow effect, special construction design in conjunction with water tank connecting pipe road, although simple in structure, the clearance of dust is significantly improved;
(3) a kind of dust collect unit by water that prevents dust pollution of the present utility model, energy-conserving and environment-protective, reasonable in design, do not need any other expenditure, and equipment can long-time steady operation except regularly changing water.
Accompanying drawing explanation
Fig. 1 is a kind of partial sectional view that prevents the dust collect unit by water of dust pollution of the present utility model;
Fig. 2 is a kind of top view that prevents the dust collect unit by water of dust pollution of the present utility model.
Label declaration in schematic diagram:
1, air inlet pipe is taken over; 21, the first expansion segment; 22, the first contraction section; 23, the first orifice; 31, the second expansion segment; 32, the second contraction section; 33, the second orifice; 4, front water tank; 5, rear water box; 6, tilting section passage; 61, eliminator plate; 7, ascent stage passage; 8, horizontal segment passage; 9, descending branch passage; 10, delivery pipe; 11, the side plate of removing contamination; 12, blowoff valve.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
embodiment 1
In conjunction with Fig. 1 and Fig. 2, a kind of dust collect unit by water that prevents dust pollution of the present embodiment, comprise air inlet pipe adapter 1, front water tank 4, water tank connecting pipe road, rear water box 5 and delivery pipe 10, the air inlet pipe of vertically installing is taken over 1 and is bolted with the top of front water tank 4, air inlet pipe is taken over 1 the blast pipe in dust pollution source is connected with front water tank 4, water tank connecting pipe road is connected the outlet of front water tank 4 with the entrance of rear water box 5, the delivery pipe 10 of vertically installing is bolted with the top of rear water box 5, the gas that delivery pipe 10 is discharged rear water box 5 externally discharges, these delivery pipe 10 tops are welded with returns water smoke cover, and on the inwall of delivery pipe 10, segmentation is welded with plate in water, returning the setting of water smoke cover and plate in water has not only avoided water smoke to flow out with the gas of discharging, and the gas of discharging and time of contact of water have been increased, improved the dust removing effects of rear water box 5.Wherein: described front water tank 4 and the air inlet pipe of rear water box 5 are before entering water, and the Guo Feng cross section of air inlet pipe progressively increases; Described front water tank 4 and the air inlet pipe of rear water box 5 are after entering water, and air inlet pipe is porous nozzle, and each hole area sum is greater than inlet area.
As shown in Figure 1, before in the present embodiment, the air inlet pipe concrete structure of water tank 4 and rear water box 5 is as described below: the air inlet pipe of front water tank 4 comprises the first expansion segment 21 and the first contraction section 22, the upper end of this air inlet pipe is connected mutually with the top of front water tank 4, the bottom of described air inlet pipe adapter 1 is also connected mutually with the top of front water tank 4, and above-mentioned air inlet pipe is taken over 1 with air inlet pipe and is connected; The first described expansion segment 21 is up-small and down-big pyramidal structure, this the first expansion segment 21 bottom is connected mutually with the first contraction section 22 top, this first contraction section 22 is up big and down small pyramidal structure, on the sidewall of this first contraction section 22, offer several the first orifices 23, the area sum of each first orifice 23 is greater than the first contraction section 22 top inlet area.The air inlet pipe of rear water box 5 comprises the second expansion segment 31 and the second contraction section 32, the upper end of this air inlet pipe is connected mutually with the top of rear water box 5, described water tank connecting pipe Dao bottom is also connected mutually with the top of rear water box 5, and above-mentioned air inlet pipe is connected with water tank connecting pipe road; The second described expansion segment 31 is up-small and down-big pyramidal structure, this the second expansion segment 31 bottom is connected mutually with the second contraction section 32 top, this second contraction section 32 is up big and down small pyramidal structure, on the sidewall of this second contraction section 32, offer several the second orifices 33, the area sum of each second orifice 33 is greater than the second contraction section 32 top inlet area.For convenience of remaining in the dust in water in water tank 4 before periodic cleaning and rear water box 5, in one upright side walls of front water tank 4 and rear water box 5, be all connected with dismountable side plate 11 of removing contamination, this side plate 11 bottom of removing contamination is provided with blowoff valve 12, and this side plate 11 top of removing contamination is provided with handle (as shown in Figure 2).What deserves to be explained is, the textural association of the first expansion segment 21 and the first contraction section 22 in the present embodiment, the textural association of the second expansion segment 31 and the second contraction section 32, for improving efficiency of dust collection, there is key effect, adopt the structural design of the present embodiment, can adjust pressure and speed that dusty gas enters water, pouring front water tank 4 and the dust of rear water box 5 and the time of contact of water and contact area is all greatly enhanced, and the atomizing in conjunction with the first orifice 23 and 33 pairs of water of the second orifice, dust is dissolved in the water of front water tank 4 and rear water box 5 completely, therefore efficiency of dust collection improves greatly, be water cleaner of the prior art fail and.
For further improving efficiency of dust collection, the water tank connecting pipe road of the present embodiment comprises tilting section passage 6, ascent stage passage 7, horizontal segment passage 8 and descending branch passage 9, the entrance of described tilting section passage 6 is connected with the outlet of front water tank 4, the top board of this tilting section passage 6 is level board, its base plate is hang plate, the entrance height of this hang plate is lower than the open height that goes out of this hang plate, and on the top board of tilting section passage 6, be vertically fixed with eliminator plate 61, between this eliminator plate 61 and top board, connection strengthening rib be installed; The outlet of described tilting section passage 6 is connected with the entrance of ascent stage passage 7, and this ascent stage passage 7 vertically arranges; The entrance of described horizontal segment passage 8 is connected with the outlet of ascent stage passage 7, and this horizontal segment passage 8 is horizontally disposed with; Described descending branch passage 9 connects the outlet of horizontal segment passage 8 and the entrance of the second expansion segment 31, and above-mentioned ascent stage passage 7 and descending branch passage 9 are parallel to each other.
When the present embodiment is used for shot-blasting machine water dust removal process, the dusty gas of shot-blasting machine blower fan blast pipe is taken over 1 by air inlet pipe and is entered front water tank 4, after the processing of front water tank 4, gas enters rear water box 5 through water tank connecting pipe road, after the after-treatment of rear water box 5, by delivery pipe 10, externally discharges.The present embodiment is because porous is sprayed the backflow effect that makes water atomization, water tank connecting pipe road and the interior eliminator plate 61 of tilting section passage 6, dust is dissolved in the water of front water tank 4 and rear water box 5 completely, thereby purified the dusty gas that shot-blasting machine blower fan is discharged, improved working environment, although simple in structure, effect is very remarkable.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (7)
1. a dust collect unit by water that prevents dust pollution, it is characterized in that: comprise air inlet pipe adapter (1), front water tank (4), water tank connecting pipe road, rear water box (5) and delivery pipe (10), described air inlet pipe is taken over (1) blast pipe in dust pollution source is connected with front water tank (4), water tank connecting pipe road is connected the outlet of front water tank (4) with the entrance of rear water box (5), the gas that delivery pipe (10) is discharged rear water box (5) externally discharges, wherein: described front water tank (4) and the air inlet pipe of rear water box (5) are before entering water, the Guo Feng cross section of air inlet pipe progressively increases, described front water tank (4) and the air inlet pipe of rear water box (5) are after entering water, and air inlet pipe is porous nozzle, and each hole area sum is greater than inlet area.
2. a kind of dust collect unit by water that prevents dust pollution according to claim 1, it is characterized in that: the air inlet pipe of described front water tank (4) comprises the first expansion segment (21) and the first contraction section (22), the upper end of this air inlet pipe is connected mutually with the top of front water tank (4), the bottom that described air inlet pipe is taken over (1) is also connected mutually with the top of front water tank (4), and above-mentioned air inlet pipe is taken over (1) with air inlet pipe and is connected; Described the first expansion segment (21) is up-small and down-big pyramidal structure, the bottom of this first expansion segment (21) is connected mutually with the top of the first contraction section (22), this first contraction section (22) is up big and down small pyramidal structure, on the sidewall of this first contraction section (22), offer several the first orifices (23), the area sum of each first orifice (23) is greater than the top inlet area of the first contraction section (22).
3. a kind of dust collect unit by water that prevents dust pollution according to claim 1 and 2, it is characterized in that: the air inlet pipe of described rear water box (5) comprises the second expansion segment (31) and the second contraction section (32), the upper end of this air inlet pipe is connected mutually with the top of rear water box (5), described water tank connecting pipe Dao bottom is also connected mutually with the top of rear water box (5), and above-mentioned air inlet pipe is connected with water tank connecting pipe road; Described the second expansion segment (31) is up-small and down-big pyramidal structure, the bottom of this second expansion segment (31) is connected mutually with the top of the second contraction section (32), this second contraction section (32) is up big and down small pyramidal structure, on the sidewall of this second contraction section (32), offer several the second orifices (33), the area sum of each second orifice (33) is greater than the top inlet area of the second contraction section (32).
4. a kind of dust collect unit by water that prevents dust pollution according to claim 1 and 2, it is characterized in that: described water tank connecting pipe road comprises tilting section passage (6), ascent stage passage (7), horizontal segment passage (8) and descending branch passage (9), the entrance of described tilting section passage (6) is connected with the outlet of front water tank (4), the top board of this tilting section passage (6) is level board, its base plate is hang plate, and the entrance height of this hang plate is lower than the open height that goes out of this hang plate; The outlet of described tilting section passage (6) is connected with the entrance of ascent stage passage (7), and this ascent stage passage (7) vertically arranges; The entrance of described horizontal segment passage (8) is connected with the outlet of ascent stage passage (7), and this horizontal segment passage (8) is horizontally disposed with; Described descending branch passage (9) connects the outlet of horizontal segment passage (8) and the entrance of the second expansion segment (31), and above-mentioned ascent stage passage (7) and descending branch passage (9) are parallel to each other.
5. a kind of dust collect unit by water that prevents dust pollution according to claim 4, is characterized in that: on the top board of described tilting section passage (6), be vertically fixed with eliminator plate (61), between this eliminator plate (61) and top board, connection strengthening rib be installed.
6. a kind of dust collect unit by water that prevents dust pollution according to claim 5, it is characterized in that: in described front water tank (4) and a upright side walls of rear water box (5), be all connected with dismountable side plate of removing contamination (11), the bottom of this side plate of removing contamination (11) is provided with blowoff valve (12), and the top of this side plate of removing contamination (11) is provided with handle.
7. a kind of dust collect unit by water that prevents dust pollution according to claim 6, it is characterized in that: described air inlet pipe is taken over (1) and is bolted with the top of front water tank (4), described delivery pipe (10) is also bolted with the top of rear water box (5), and above-mentioned air inlet pipe takes over (1) and delivery pipe (10) is all vertically installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443868.XU CN203389475U (en) | 2013-07-25 | 2013-07-25 | Water dust collecting device capable of preventing dust pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443868.XU CN203389475U (en) | 2013-07-25 | 2013-07-25 | Water dust collecting device capable of preventing dust pollution |
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| Publication Number | Publication Date |
|---|---|
| CN203389475U true CN203389475U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443868.XU Expired - Fee Related CN203389475U (en) | 2013-07-25 | 2013-07-25 | Water dust collecting device capable of preventing dust pollution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331067A (en) * | 2013-07-25 | 2013-10-02 | 淮南长壁煤矿机械有限责任公司 | Water dust removal device for preventing dust pollution |
-
2013
- 2013-07-25 CN CN201320443868.XU patent/CN203389475U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331067A (en) * | 2013-07-25 | 2013-10-02 | 淮南长壁煤矿机械有限责任公司 | Water dust removal device for preventing dust pollution |
| CN103331067B (en) * | 2013-07-25 | 2015-03-25 | 久益环球（淮南）采矿设备有限公司 | Water dust removal device for preventing dust pollution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: GOYGLOBAL (HUAINAN) MINING MACHINERY CO., LTD. Free format text: FORMER NAME: HUAINAN CHANGBI MINING MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 232007 No. 19 Zhenxing South Road, Anhui, Huainan Patentee after: JOY GLOBAL (HUAINAN) MINING EQUIPMENT CO.,LTD. Address before: 232007 No. 19 Zhenxing South Road, Anhui, Huainan Patentee before: Huainan Changbi Mining Machinery Co.,Ltd. |
|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20160725 |