CN210251648U - Wet dust collector - Google Patents
Wet dust collector Download PDFInfo
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- CN210251648U CN210251648U CN201920652857.XU CN201920652857U CN210251648U CN 210251648 U CN210251648 U CN 210251648U CN 201920652857 U CN201920652857 U CN 201920652857U CN 210251648 U CN210251648 U CN 210251648U
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- dust
- dust removal
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- fan
- wet
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- 239000000428 dust Substances 0.000 title claims abstract description 218
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000010865 sewage Substances 0.000 claims description 29
- 238000004062 sedimentation Methods 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 12
- 238000005200 wet scrubbing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model provides a wet dust removal device, which comprises a dust removal system, wherein the dust removal system comprises a dust hood, a negative pressure air duct, a fan, a dust removal box and a circulating water tank which are arranged in sequence; the dust hood is arranged at the first end of the negative pressure air duct, the second end of the negative pressure air duct is connected with the first end of the fan, the second end of the fan is connected to the first end of the dust removal box, the second end of the dust removal box is provided with a discharge pipe, and the second end of the dust removal box is connected with the circulating water tank through the discharge pipe; the first end of dust removal case is provided with the water inlet, and the second end is provided with the delivery port, has set gradually from the first end to the second end in the dust removal case and has caught dirt ware, flat filter and defroster. The utility model discloses a wet dust collector, simple structure, dust removal effect is good.
Description
Technical Field
The utility model belongs to the coal mining field, in particular to wet dust collector.
Background
At present, as the production scale of each mine is enlarged, the production task is aggravated, and the occupational health problem of front-line staff is worried more and more, particularly in the tunneling roadway. Because of the large dust amount and low visibility in the driving tunnel, the first-line staff is in more contact with dust, the incidence rate of pneumoconiosis is high, the illness state is serious, and the low visibility also causes a series of production safety problems. At present, various mine dust collectors are put into use in a coal mine tunneling roadway, wherein a KCS series tunneling working face wet dust removal fan has a certain dust removal effect, can improve the visibility of a tunneling field, and can prevent pneumoconiosis of production workers to a certain extent. However, such a wet dust removal fan has a general dust removal effect, low dust removal efficiency, needs to be maintained regularly, has high requirements on water quality, is large in volume and heavy in weight, is not easy to carry, adjust and maintain, and has a great limitation on the use of the dust removal fan due to the defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wet dedusting device, this wet dedusting device simple structure, dust removal effect is good.
The technical scheme of the utility model as follows:
the utility model provides a wet dust removal device, which comprises a dust removal system, wherein the dust removal system comprises a dust hood, a negative pressure air duct, a fan, a dust removal box and a circulating water tank which are arranged in sequence; the dust hood is arranged at the first end of the negative pressure air duct, the second end of the negative pressure air duct is connected with the first end of the fan, the second end of the fan is connected to the first end of the dust removal box, the second end of the dust removal box is provided with a drain pipe, and the second end of the dust removal box is connected with the circulating water tank through the drain pipe; a water inlet is formed in the first end of the dust removal box, a water outlet is formed in the second end of the dust removal box, and a dust catcher, a flat filter and a demister are sequentially arranged in the dust removal box from the first end to the second end; the dust removal system is arranged on a dust removal carrier, and the dust removal carrier comprises a fully-mechanized excavating machine, a first rubber belt conveyor, a connecting rod, a bearing trolley and two rubber belt conveyors which are arranged in sequence; the dust hood is fixed to the top of the fully-mechanized excavating machine, the first rubber belt conveyor is arranged at the tail of the fully-mechanized excavating machine in a matched mode, the bearing trolley comprises a first bearing trolley and a second bearing trolley which are connected, the fan and the dust removal box are arranged on the first bearing trolley in sequence, the circulating water tank is arranged on the second bearing trolley, the free end of the first bearing trolley is connected to the tail of the first rubber belt conveyor through a connecting rod, and the bearing trolley is arranged on the two rubber belt conveyors.
Preferably, the dust catcher comprises a plurality of dust catching net plates arranged at intervals, and a water inlet channel from the water inlet to the flat filter is formed between every two adjacent dust catching net plates.
Preferably, the dust catching net plate is a W-shaped net plate.
Preferably, a sewage pump and a clean water pump are respectively arranged at the two ends of the outer side of the circulating water tank; a sedimentation tank is arranged in the circulating water tank, and the sewage pump is used for inputting sewage from the dust removal tank into the sedimentation tank in the circulating water tank for sedimentation to obtain clear water; the clean water pump is used for outputting clean water from the circulating water tank to the fan.
Preferably, the outside of circulation tank still is provided with the scummer, the scummer set up in sewage pump with circulation tank between for to come from sewage pump carries out the slagging-off, the sedimentation tank receives the play water that comes from the scummer.
Preferably, the slag separator is a cyclone.
Preferably, the sedimentation tank includes the one-level sedimentation tank and the second grade sedimentation tank that set gradually, the one-level sedimentation tank is used for carrying out the one-level settlement to the sewage that receives, the second grade sedimentation tank is used for carrying out the second grade settlement to the sewage that comes from the one-level sedimentation tank.
Preferably, the fan is an explosion-proof draw-out type counter-rotating axial flow fan.
Preferably, the dust hood includes main dust hood and vice dust hood, vice dust hood have two and respectively the symmetry set up in the both sides of main dust hood.
Preferably, the wet dust removal device further comprises a dust control system, and the dust control system and the dust removal system are respectively and independently arranged in the dust removal space; the dust control system comprises a dust control air cylinder, and the dust control air cylinder is arranged above the negative pressure air cylinder.
The beneficial effects of the utility model reside in that:
the wet dust removal device has simple structure, good dust collection effect and dust control effect, high dust removal efficiency and high dust removal rate after the two are matched; the requirement on water quality is low, and the blockage is not easy to occur; the volume is small, the weight is light, and the carrying, the adjustment and the maintenance are easy; the water pressure has wide application range.
Drawings
FIG. 1 is a schematic structural view of a wet dust collector of the present invention in one embodiment;
FIG. 2 is a schematic structural view of a dust box in a wet dust collector according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a circulating water tank in a wet dust collector according to an embodiment of the present invention;
fig. 4 is a sectional view a-a of fig. 3.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component, respectively, which are relative terms, and thus may be changed accordingly depending on the position and the use state of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.
The technical solution and effects of the present invention will be further explained by the following embodiments. The following embodiments are merely illustrative of the present invention, and the present invention is not limited to the following embodiments or examples. Use the utility model discloses a think about right the utility model discloses the simple change that goes on is all in the utility model discloses the within range that claims.
The utility model provides a wet dust removal device, as shown in figure 1, the wet dust removal device comprises a dust removal system, the dust removal system comprises a dust hood, a negative pressure air duct 6, a fan 2, a dust removal box 1 and a circulating water tank 11 which are arranged in sequence; the dust hood is arranged at the first end of the negative pressure air duct 6, the second end of the negative pressure air duct 6 is connected with the first end of the fan 2, the second end of the fan 2 is connected to the first end of the dust removal box 1, the second end of the dust removal box 1 is provided with a drain pipe, and the second end of the dust removal box 1 is connected with the circulating water tank 11 through the drain pipe; as shown in fig. 2, a water inlet is arranged at a first end of the dust removing box 1, a water outlet is arranged at a second end of the dust removing box 1, and a dust catcher 01, a flat filter 02 and a demister 03 are sequentially arranged in the dust removing box 1 from the first end to the second end; the dust removal system is arranged on a dust removal carrier, and the dust removal carrier comprises a fully-mechanized excavating machine 7, a first rubber belt conveyor 9, a connecting rod 5, a bearing trolley and two rubber belt conveyors 8 which are arranged in sequence; the dust hood is fixed on the top of the fully-mechanized excavating machine 7, the first rubber belt conveyor 9 is arranged at the tail of the fully-mechanized excavating machine 7 in a matched mode, the bearing trolley comprises a first bearing trolley 41 and a second bearing trolley 42 which are connected, the fan 2 and the dust removal box 1 are sequentially arranged on the first bearing trolley 41, the circulating water tank 11 is arranged on the second bearing trolley 42, the free end of the first bearing trolley 41 is connected to the tail of the first rubber belt conveyor 9 through the connecting rod 5, and the bearing trolley is arranged on the second rubber belt conveyor 8.
Preferably, the link 5 is a rigid link. Preferably, the dust removal system further comprises a transition elbow 3, and the negative pressure air duct 6 is connected with the fan 2 through the transition elbow 3.
All structures in the dust removal system are combined, so that the dust removal rate and the dust removal efficiency of the dust removal system are high, and the dust removal effect is good. Particularly, the negative pressure wind barrel 6 and the fan 2 are combined, so that more dust-containing air can be sucked into the dust removing box 1 for dust removal; the combination of the dust removal box 1 and the circulating water tank 11 can effectively remove dust from the sucked dust-containing air, thereby saving water; the specific arrangement of the dust removal box 1 enables dust-containing air entering the dust removal box to be sequentially subjected to twice filtering and once demisting, so that the obtained air is very small in dust content, small in water content, relatively dry and suitable for human breathing.
Dusty air is in proper order through suction hood and negative pressure dryer 6 input fan 2 and fuse with the steam that the atomizing formed in the fan 2, form muddy water and dirt fog, carry muddy water and dirt fog secretly in the air current and carry to the dust catcher 01 of dust removal case 1 in order to catch the dust, the dust is caught once more by flat filter 02 and forms muddy water, the water smoke that does not form water secretly down to defroster 03 at the air current, collect and form the water droplet by defroster 03, the sewage that forms at last passes through circulation tank 11 and purifies, supply fan 2 once more, reach the recycling of water resource.
In one embodiment, the fan 2 is an explosion-proof draw-out counter-rotating axial fan. Because the explosion-proof draw-out type disrotatory axial flow fan has large air quantity, high negative pressure can be formed, the dust extraction effect is good, and the improvement of the dust removal efficiency is facilitated.
In one embodiment, as shown in fig. 2, the dust catcher 01 comprises a plurality of dust catching net plates 011 arranged at intervals, and a water inlet channel from the water inlet to the flat filter 02 is formed between two adjacent dust catching net plates 011, so that the dust in the dust-containing airflow is trapped and captured by the dust catching net plates 011. Preferably, the dust collecting net plate 011 is a wave-shaped net plate or a W-shaped net plate, so that the capture amount of the mud and the dust in the dusty airflow is increased, and the improvement of the dust removing effect of the wet dust removing device is facilitated.
In one embodiment, as shown in fig. 3 and 4, a sewage pump 04 and a clean water pump 05 are respectively arranged at two ends of the outer side of the circulating water tank 11; a sedimentation tank is arranged in the circulating water tank 11, and the sewage pump 04 is used for inputting sewage from the dust removal tank 1 into the sedimentation tank in the circulating water tank 11 for sedimentation to obtain upper clear water; the clean water pump 05 is used for outputting upper layer clean water from the circulating water tank 11 to the fan 2 so as to recycle water and save water resources.
In an embodiment, the water pipe that uses among the dust pelletizing system is 1/2 cun water pipes, compares in the nozzle water supply, and it is more convenient to supply water directly with the water pipe water spray, can prevent that the nozzle from blockking up, and requires lowly to water quality, and the hydroenergy after circulating water tank 11 handles can directly supply to fan 2 department and circulate, can realize the cyclic utilization of water.
In one embodiment, a slag separator 06 is further disposed on the outer side of the circulation water tank 11, the slag separator 06 is disposed between the sewage pump 04 and the circulation water tank 11 for removing slag from the sewage pump 04, and the settling tank receives the effluent from the slag separator 06. Because a large amount of water is used in the dust reduction, the water is recovered into the circulating water tank 11 after dust collection and demisting by the dust collection tank 1, the collected water contains more impurities such as dust, and sludge in the sewage treated by the dust collection tank 1 is treated in order to realize recycling after the recovered water is treated. The circulation water tank 11 is provided with the slag remover 06 to realize integration of dirt removal and filtration, sludge in sewage input into the sewage pump 04 can be accumulated and discharged, and sewage intercepted by the sludge is settled by the settling pond in the circulation water tank body to be supplied to the fan 2 for dust fall. Preferably, the slag separator is a cyclone.
In one embodiment, the sedimentation tank comprises a primary sedimentation tank 07 and a secondary sedimentation tank 08 which are arranged in sequence, wherein the primary sedimentation tank 07 is used for performing primary sedimentation on the received sewage, and the secondary sedimentation tank 08 is used for performing secondary sedimentation on the sewage from the primary sedimentation tank 07. The two poles of the earth subside and make the purifying effect of circulation tank 11 to sewage better, and the clear water turbidity that circulates to fan 2 is little, is favorable to the cyclic utilization of water.
In one embodiment, the dust hood includes a main dust hood 10 and two auxiliary dust hoods 13, and the two auxiliary dust hoods 13 are symmetrically disposed on two sides of the main dust hood 10. The arrangement of the main dust hood and the secondary dust hood ensures that the dust hoods can suck dust-containing air in a large amount, and the two secondary dust hoods 13 can be placed at different positions according to actual conditions on site, so that the secondary dust hoods 13 can be placed at positions with large dust content, more dust-containing air can be sucked in a targeted manner, and the dust removal effect is improved.
In one embodiment, the wet dust removal device further comprises a dust control system, and the dust control system and the dust removal system are respectively and independently arranged in the dust removal space; the dust control system comprises a dust control air duct 12, and the dust control air duct 12 is arranged above the negative pressure air duct 6. The dust removal system and the control system are combined in the arrangement, so that dust can be removed to the dust-containing air in a large amount on one hand, and the dust-containing air with small dust content obtained after treatment is controlled to the head-on range of the position of a driver in the comprehensive excavator 7 to the maximum extent so as not to escape to the back of a roadway, so that efficient dust control is realized, the situation that the driver of the comprehensive excavator 7 sucks a large amount of dust during operation is avoided, and the health of the driver is favorably guaranteed.
The operation process of the wet dust collector of the utility model is shown in figures 1-4.
The dust-containing air is sucked into a negative pressure air duct 6 through a main dust hood 10 and two auxiliary dust hoods 13, then is input into a fan 2 through a transition elbow 3, and is fused with water vapor formed by atomization in the fan 2 to form muddy water and dust mist, the muddy water and the dust mist are carried in the air flow and are conveyed into a dust removal box 1 to be sequentially caught by a dust catcher 01 and a flat filter screen 02 and output after being demisted by a demister 03, the sewage demisted by the demister 03 is sequentially treated by a sewage pump 04 and a slag remover 06 and then is input into a primary sedimentation tank 07 and a secondary sedimentation tank 08 in a circulating water tank 11 for sedimentation and purification, and the obtained upper clear water is supplied to the fan 2 again to form the recycling of water resources; the dust-containing air with less dust content and water content output after being demisted by the demister 03 is controlled in the head-on range of the driver position in the fully-mechanized excavating machine 7 through the dust control air duct 12 so as to prevent the driver from sucking the dust-containing air.
The wet dust collector has simple structure, good dust collecting effect and dust control effect, high dust collecting efficiency after the two are matched, and the dust collecting rate reaches 97 wt%; the requirement on water quality is low, and the blockage is not easy to occur; the volume is small, the weight is light, and the carrying, the adjustment and the maintenance are easy; the water pressure has wide application range.
Claims (10)
1. A wet dust removal device is characterized by comprising a dust removal system, wherein the dust removal system comprises a dust hood, a negative pressure air duct (6), a fan (2), a dust removal box (1) and a circulating water tank (11) which are arranged in sequence;
the dust hood is arranged at the first end of the negative pressure air duct (6), the second end of the negative pressure air duct (6) is connected with the first end of the fan (2), the second end of the fan (2) is connected to the first end of the dust removal box (1), the second end of the dust removal box (1) is provided with a drain pipe, and the second end of the dust removal box (1) is connected with the circulating water tank (11) through the drain pipe;
a water inlet is formed in the first end of the dust removal box (1), a water outlet is formed in the second end of the dust removal box (1), and a dust catcher (01), a flat filter (02) and a demister (03) are sequentially arranged in the dust removal box (1) from the first end to the second end;
the dust removal system is arranged on a dust removal carrier, and the dust removal carrier comprises a fully-mechanized excavating machine (7), a first rubber belt conveyor (9), a connecting rod (5), a bearing trolley and two rubber belt conveyors (8) which are arranged in sequence;
the dust hood is fixed in combine the top of digging machine (7), first rubber belt conveyor (9) form a complete set in combine the afterbody of digging machine (7), bearing trolley is including first bearing trolley (41) and second bearing trolley (42) that are connected, fan (2) and dust removal case (1) are arranged in proper order on first bearing trolley (41), circulation tank (11) are arranged in on second bearing trolley (42), the free end of first bearing trolley (41) is connected to through connecting rod (5) the afterbody of first rubber belt conveyor (9), bearing trolley arranges in on two fortune rubber belt conveyor (8).
2. A wet dust collector as claimed in claim 1, wherein the dust catcher (01) comprises a plurality of dust catching net plates (011) arranged at intervals, and a water inlet passage from the water inlet to the flat filter (02) is formed between two adjacent dust catching net plates (011).
3. A wet dust removal device according to claim 2, wherein the dust trap screen (011) is a W-shaped screen.
4. A wet dust collector as claimed in claim 1, wherein a sewage pump (04) and a clean water pump (05) are respectively arranged at the two outer ends of the circulating water tank (11); a sedimentation tank is arranged in the circulating water tank (11), and the sewage pump (04) is used for inputting sewage from the dust removal tank (1) into the sedimentation tank in the circulating water tank (11) for sedimentation to obtain clear water; the clean water pump (05) is used for outputting clean water from the circulating water tank (11) to the fan (2).
5. A wet dust removal device according to claim 4, wherein a slag separator (06) is further provided outside the circulation water tank (11), the slag separator (06) is provided between the sewage pump (04) and the circulation water tank (11) for removing slag from the sewage pump (04), and the settling tank receives the effluent from the slag separator (06).
6. A wet scrubbing apparatus in accordance with claim 5, wherein said de-scum means is a cyclone.
7. A wet dust collector according to claim 4, wherein the settling tank comprises a primary settling tank (07) and a secondary settling tank (08) which are arranged in sequence, the primary settling tank (07) is used for carrying out primary settling on the received sewage, and the secondary settling tank (08) is used for carrying out secondary settling on the sewage from the primary settling tank (07).
8. A wet dust removal device according to claim 1, wherein the fan (2) is an explosion-proof draw-out counter-rotating axial fan.
9. A wet scrubbing apparatus according to any one of claims 1 to 8, wherein said dust hood comprises a main dust hood (10) and a secondary dust hood (13), and two of said secondary dust hoods (13) are symmetrically disposed on either side of said main dust hood (10).
10. The wet dust collector of claim 9, further comprising a dust control system, wherein the dust control system and the dust collecting system are respectively and independently disposed in the dust collecting space; the dust control system comprises a dust control air duct (12), and the dust control air duct (12) is arranged above the negative pressure air duct (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920652857.XU CN210251648U (en) | 2019-05-08 | 2019-05-08 | Wet dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920652857.XU CN210251648U (en) | 2019-05-08 | 2019-05-08 | Wet dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210251648U true CN210251648U (en) | 2020-04-07 |
Family
ID=70024213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920652857.XU Active CN210251648U (en) | 2019-05-08 | 2019-05-08 | Wet dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210251648U (en) |
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2019
- 2019-05-08 CN CN201920652857.XU patent/CN210251648U/en active Active
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