CN201783280U - Negative pressure wet type dust collector - Google Patents
Negative pressure wet type dust collector Download PDFInfo
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- CN201783280U CN201783280U CN2010205233081U CN201020523308U CN201783280U CN 201783280 U CN201783280 U CN 201783280U CN 2010205233081 U CN2010205233081 U CN 2010205233081U CN 201020523308 U CN201020523308 U CN 201020523308U CN 201783280 U CN201783280 U CN 201783280U
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- negative pressure
- wet scrubber
- pressure wet
- scrubber according
- blower fan
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model provides a negative pressure wet type dust collector, which is characterized by consisting of a framework, a spraying system, a filter purifying circulation system, an air separating system and a control system. The spraying system comprises a high-pressure water pump, a high-pressure water pipe and high-pressure spray nozzles, the filter purifying circulation system mainly comprises a clean water tank, a water filter, a settlement tank and a pipeline, the air separating system mainly comprises a joint, a fan, a mixing cavity, a separator and a reducing joint, and the control system adopts an independent control device or automatic control device. The negative pressure wet type dust collector has the advantages that the dust collector can be cleaned easily and moved conveniently and leakage of separated water can be avoided, and further can control polluted air within a small range so as to collect dust, prevent dust dispersing, is low in water consumption and saves energy sources.
Description
Technical field
The utility model relates to a kind of deduster, and particularly a kind of negative pressure wet scrubber is mainly used in constructing tunnel.
Background technology
Subway and mountain tunnel be not owing to have effective dust falling device and measurements for reduction, and because the ventilation condition of long tunnel construction is difficult to realize that the quick circulation of air is upgraded in the tunnel, therefore the floating dust that produces in the work progress pollutes and never is effectively controlled, and is puzzlement tunnel construction technology personnel's a great difficult problem.
Present depositing dust means just depend on venting practice in subway and the mountain tunnel construction, now mainly adopt the forced ventilation technology, its operation principle is with powerful ventilation blower the fresh air conveying outside the hole to be arrived contaminated, from inside to outside contaminated air is extruded successively, realized the circulation of ventilating.This technology is little in the effect of administering on the dust pollution, because the air circulation speed that long tunnel causes reduces and can cause the large tracts of land diffusion of dust in the tunnel, causes the tunnel to be polluted simultaneously comprehensively.Discharge air outside the hole simultaneously not by purified treatment, discharge remain contaminated air, cause the secondary pollution of air, this is the method for curing the symptoms, not the disease, and does not deal with problems from root.
There is following defective in prior art: the pollution sources in subway and the mountain tunnel mainly are that the cement floating dust that dust pollutes and cement produces pollutes, and produce the change of the place discontinuity of polluting.The deduster of too much planting on probation in work progress, dust removing effects, energy-saving effect, ease of use are not ideal.
The utility model content
Precipitate, harden, produce the characteristic that open fire can not be arranged in the mobility, hole of dirt pits easily at floating dust in subway, the constructing tunnel, the utility model provides a kind of negative pressure wet scrubber, comprises frame, the spraying system that is linked in sequence, air-seperation system and the filtration, purification circulatory system and the control system of controlling this deduster; Two directional wheels and two deflecting rollers are installed on the base of described frame; Described control system adopts independent control device or automaton.
Wherein, described spraying system comprises high-pressure hydraulic pump, high-pressure water pipe and high-pressure nozzle.Further, described spraying system also comprise the Highpressure Tee that is located on the described high-pressure water pipe, the water inlet of entry one side of described high-pressure hydraulic pump and be located at described water inlet and described high-pressure hydraulic pump between water filter.
Wherein, the described filtration, purification circulatory system mainly is made up of clear water reserviors, water filter, sedimentation basin and pipeline.Further, the described filtration, purification circulatory system also is provided with a water inlet switch.Further, described water inlet switch is the float ball valve.Described water filter comprises coarse filter and fine filtrator, and described sedimentation basin comprises first sedimentation basin and second sedimentation basin.Vertical fluting is provided with the trough of belt dividing plate in clear water reserviors and sedimentation basin.With the wall of described second sedimentation basin waste collection groove that an inequilateral " U " shape is set of certain interval is arranged.In described first sedimentation basin, also be provided with baffle plate.
Wherein, described air-seperation system mainly is made up of joint, blower fan, hybrid chamber, separator and change head, and described joint links to each other with described blower fan, and described hybrid chamber is connected between described blower fan and the described separator.Further, described air-seperation system also comprises negative pressure airduct and output airduct.
Wherein, described independent control device comprises contactor, delay switch and starting switch.Described automaton is control loop in parallel on the starting switch of independent control device, and this control loop adds a delay switch by the auxiliary contact control of producing dirt equipment contactor in control loop.
Further, described high-pressure nozzle is installed in the front and back side of described blower fan respectively, and the high-pressure nozzle of blower fan installed in front is positioned on the described joint, and the high-pressure nozzle that the blower fan rear side is installed is positioned at the front portion of described hybrid chamber.Described negative pressure airduct is a pipeline that can freely stretch.
Further, the shape of described hybrid chamber is a horn mouth, concentrates the first half that is placed in hybrid chamber at the high-pressure nozzle of installing near described blower fan place, becomes asymmetric layout.
Further, described separator comprises separator shell, separate sheet, access door, hold down gag and sewage draining exit.
Further, the netted separate sheet of multilayer multiple tracks is set in described separator, the installation of staggering of the mesh of the net sheet of per pass separate sheet.
Negative pressure wet scrubber of the present utility model has easy to clean, convenient moves, divides the dried up characteristics that do not leak outside, and removes dust in can being controlled at contaminated air among a small circle, prevents the diffusion of dust, and water consumption is few, energy savings.
Description of drawings
Fig. 1 is a wet scrubber general assembly plane;
Fig. 2 is the spraying system schematic diagram;
Fig. 3 is a filtration, purification circulatory system schematic diagram;
Fig. 4 is the air-seperation system schematic diagram;
Fig. 5 is the separator schematic diagram.
Among the figure: the 1-high-pressure nozzle; The 2-high-pressure water pipe; The 3-hybrid chamber; The 4-separator; 5-becomes head; The 6-joint; The 7-blower fan; The 8-frame; The 9-high-pressure hydraulic pump; The 10-filtration, purification circulatory system; The 11-control system; The 12-water inlet; The 13-water filter; The 14-clear water reserviors; The 15-fine filtrator; 16-the-sedimentation basin; The 17-coarse filter; 18-second sedimentation basin; The 19-delivery port; 20-trough of belt dividing plate; The 21-waste collection groove; 22-float ball valve; The 23-baffle plate; 24-negative pressure airduct; 25-exports airduct; The 26-sewage draining exit; The 27-access door; The 28-hold down gag; The 29-separate sheet; The 30-separator shell.
The specific embodiment
The operation principle of negative pressure wet scrubber of the present utility model is: utilize the negative pressure airduct that contaminated air is extracted in the deduster, the negative pressure that in deduster, forms with the high pressure mist post of high-pressure nozzle ejection with moistening in the floating dust inspiration mist post, catch, in separator, separate, finally discharge clean air from outlet.
Negative pressure wet scrubber of the present utility model comprises frame, the spraying system that is linked in sequence, air-seperation system and the filtration, purification circulatory system and the control system of controlling this deduster.As shown in Figure 1.
1. frame:
2. spraying system:
Spraying system comprises high-pressure hydraulic pump 9, high-pressure water pipe 2 and high-pressure nozzle 1.Further, spraying system also comprise the Highpressure Tee that is located on the high-pressure water pipe 2, the water inlet 12 of entry one side of high-pressure hydraulic pump 9 and be located at water inlet 12 and high-pressure hydraulic pump 9 between water filter 13, as shown in Figure 2.
High-pressure hydraulic pump 9 produces water under high pressures through high-pressure water pipe 2 and Highpressure Tee, flows to high-pressure nozzle 1 before the blower fan 7 and the high-pressure nozzle 1 in the hybrid chamber 3 respectively, sprays high-pressure water mist by high-pressure nozzle 1 in body, makes water smoke mix with dust laden air.The high-pressure nozzle of installing before the blower fan 71 is positioned on the joint 6, the high speed water mist post that sprays when the high-pressure nozzle before the blower fan 71 impinges upon on the flabellum of blower fan, form one high speed mist wall at the flabellum place,, impel floating dust to engage with the secondary of water smoke when floating dust and high speed mist wall bump.The high-pressure nozzle 1 that install blower fan 7 backs is positioned at the front portion of hybrid chamber 3, and the high speed water mist and the airborne floating dust of high-pressure nozzle 1 ejection collide mutually, destroy droplet, self tension force of floating dust, impel combining of water smoke and floating dust, increase the quality of floating dust, force the floating dust landing.
3. the filtration, purification circulatory system:
The filtration, purification circulatory system 10 mainly is made up of water filter, sedimentation basin and pipeline.As shown in Figure 3.
Water filter comprises coarse filter 17 and fine filtrator 15, and sedimentation basin comprises first sedimentation basin 16 and second sedimentation basin 18.
Receive in the waste collection groove 21 by pipeline through the sewage that separator 4 flows out,---after handling, coarse filter 17---first sedimentation basin 16---fine filtrator 15 flows to clear water reserviors 14 through second sedimentation basin 18, enter subsequently and continue circulation in the high-pressure hydraulic pump 9, save the water source like this, solved the problem of sewage disposal.In clear water reserviors 14, first sedimentation basin 16 and second sedimentation basin 18, vertical fluting is provided with trough of belt dividing plate 20, to increase the sectional area that passes through of water, reduces sedimentary disturbance in the sedimentation basin.Waste collection groove 21 is an inequilateral " U " shape grooves, the wall of " U " the shape groove and second sedimentation basin 18 has certain interval, play preliminary sedimentation and slow down the flow velocity that enters water in second sedimentation basin 18, sewage flows in the waste collection groove 21, in groove, spread post precipitation out and climb over, flow in second sedimentation basin 18 along the wall of second sedimentation basin 18 from the short limit of waste collection groove 21.This filtration, purification circulatory system also is provided with a water inlet switch, can be float ball valve 22, and its effect is to replenish the water of cleaning when water is not enough in filtering the decontamination cycle system in the trend filtration, purification circulatory system.Also be provided with baffle plate 23 in first sedimentation basin, its effect is that anti-sealing does not climb over above trough of belt dividing plate 20 by precipitating directly.
4. air-seperation system:
It is mainly by negative pressure airduct 24, joint 6, blower fan 7, hybrid chamber 3, separator 4 with become 5 and form, as shown in Figure 4.
Negative pressure airduct 24 is a pipeline that can freely stretch, its effect is will produce in the air-seperation system that the floating dust of dirt pits is drawn onto deduster to handle, because negative pressure airduct 24 can freely stretch, therefore can change the distance of dust suction at any time, reduce the travel frequency of deduster, strengthened the flexibility of deduster, the size of dedusting range of DO is by the length control of negative pressure airduct 24 with output airduct 25.
Joint 6 plays the air-seperation system of connection deduster and the effect of negative pressure airduct 24, and joint 6 links to each other with blower fan 7.
Blower fan 7 mainly acts on and forms negative pressure in the pollution face,------air-seperation system---is exported contaminated circulation of airduct 25---not comtaminated district---to negative pressure airduct 24 to make air along contaminated, contaminated air is controlled at contaminated, in a relatively little space, contaminated air-treatment is fallen, prevented the floating dust diffusion.Effect two is to form the mist wall in body, and the high speed water mist post that sprays when the high-pressure nozzle before the blower fan 71 impinges upon on the flabellum of blower fan, forms high speed mist wall one at the flabellum place, when floating dust and high speed mist wall bump, impels floating dust to engage with the secondary of water smoke.Effect three is secondary-atomizing effects, because the flabellum collision of high speed water mist post and rotation at a high speed makes the water smoke secondary-atomizing accelerate water smoke speed, more helps combining of floating dust and water smoke.Effect four is the effects of mixing, and the water smoke of secondary-atomizing and dust laden air form eddy current through the stirring of flabellum, and the mixture of water smoke and dust laden air enters in the hybrid chamber 3.
Separator 4 comprises separator shell 30, separate sheet 29, access door 27, hold down gag 28 and sewage draining exit 26.The effect of separator 4 is isolated by filtration effects, and water smoke, floating dust are separated in separator 4 with air, increases the humidity of air.As shown in Figure 5.
The netted separate sheet 29 of multilayer multiple tracks is set in separator 4, the installation of staggering of the mesh of the net sheet of per pass separate sheet 29, when mixture can be divided into the tiny gas bundle of many different motion directions during by separate sheet 29 by the net sheet, collision combination mutually between them impels combining of floating dust and water smoke; When mixture passes through separate sheet 29, the combination of water smoke and floating dust and water smoke at first can be bonded on the separate sheet 29, separate sheet 29 is moistening, floating dust hits in the above and will be caught by moistening separate sheet 29, can flow down and discharge along separate sheet 29 when a certain amount of when water and floating dust run up to from sewage draining exit 26, water smoke at large, floating dust, combination during by the second road separate sheet 29 water smoke and floating dust can be continued isolated by filtration and be come out, so by multiple tracks separate sheet 29, water smoke and floating dust are separated from air the most at last, finish the isolated by filtration effect, from deduster, discharge the air of cleaning.When water smoke and air separation, air can be taken away a spot of aqueous vapor, increases the humidity of air, helps reducing the generation of airborne dust in the tunnel.
Install for convenience and maintenance, access door 27 is installed on the side wall of separator, compress, in the high-pressure water pipe pipeline of spraying system, reserve and clean interface with fast compressing device.
5. control system:
Independent control device is independently controlled the separate unit deduster; it comprises contactor, delay switch and starting switch; the deduster delayed start-up; the moistening separate sheet so that spraying system supplies water in advance; prevent that floating dust from the time overflowing in start from deduster; the spraying system time-delay is shut down, so that clean the precipitation in the deduster.
Automaton is by the start and the shutdown of producing dirt equipment control deduster; it is control loop in parallel on the starting switch of independent control device; this control loop is by the auxiliary contact control of producing dirt equipment contactor; in control loop, add a delay switch; allow produce the dirt equipment downtime after the deduster time-delay shut down, be convenient to thoroughly remove contaminated air.
Though embodiment of the present utility model has been described with reference to the drawings above, it will be understood by those skilled in the art that under the situation that does not break away from the utility model scope and spirit, can make various modifications and variations to the utility model.Therefore, should be appreciated that the above embodiments are not restrictions, but the illustrating of various aspects.
Claims (20)
1. negative pressure wet scrubber, it is characterized in that: it comprises frame, the spraying system that is linked in sequence, air-seperation system and the filtration, purification circulatory system and the control system of controlling this deduster; Two directional wheels and two deflecting rollers are installed on the base of described frame; Described control system adopts independent control device or automaton.
2. negative pressure wet scrubber according to claim 1 is characterized in that: described spraying system comprises high-pressure hydraulic pump, high-pressure water pipe and high-pressure nozzle.
3. negative pressure wet scrubber according to claim 2 is characterized in that: described spraying system also comprise the Highpressure Tee that is located on the described high-pressure water pipe, the water inlet of entry one side of described high-pressure hydraulic pump and be located at described water inlet and described high-pressure hydraulic pump between water filter.
4. negative pressure wet scrubber according to claim 1 is characterized in that: the described filtration, purification circulatory system mainly is made up of clear water reserviors, water filter, sedimentation basin and pipeline.
5. negative pressure wet scrubber according to claim 4 is characterized in that: the described filtration, purification circulatory system also is provided with a water inlet switch.
6. negative pressure wet scrubber according to claim 5 is characterized in that: described water inlet switch is the float ball valve.
7. negative pressure wet scrubber according to claim 4 is characterized in that: described water filter comprises coarse filter and fine filtrator, and described sedimentation basin comprises first sedimentation basin and second sedimentation basin.
8. negative pressure wet scrubber according to claim 4 is characterized in that: vertical fluting is provided with the trough of belt dividing plate in clear water reserviors and sedimentation basin.
9. negative pressure wet scrubber according to claim 7 is characterized in that: with the wall of described second sedimentation basin waste collection groove that an inequilateral " U " shape is set of certain interval is arranged.
10. negative pressure wet scrubber according to claim 7 is characterized in that: also be provided with baffle plate in described first sedimentation basin.
11. negative pressure wet scrubber according to claim 1, it is characterized in that: described air-seperation system mainly is made up of joint, blower fan, hybrid chamber, separator and change head, described joint links to each other with described blower fan, and described hybrid chamber is connected between described blower fan and the described separator.
12. negative pressure wet scrubber according to claim 2, it is characterized in that: described air-seperation system mainly is made up of joint, blower fan, hybrid chamber, separator and change head, described joint links to each other with described blower fan, and described hybrid chamber is connected between described blower fan and the described separator.
13. according to claim 11 or 12 described negative pressure wet scrubbers, it is characterized in that: described air-seperation system also comprises negative pressure airduct and output airduct.
14. negative pressure wet scrubber according to claim 1 is characterized in that: described independent control device comprises contactor, delay switch and starting switch.
15. negative pressure wet scrubber according to claim 1, it is characterized in that: described automaton is control loop in parallel on the starting switch of independent control device, this control loop adds a delay switch by the auxiliary contact control of producing dirt equipment contactor in control loop.
16. negative pressure wet scrubber according to claim 12, it is characterized in that: described high-pressure nozzle is installed in the front and back side of described blower fan respectively, the high-pressure nozzle of blower fan installed in front is positioned on the described joint, and the high-pressure nozzle that the blower fan rear side is installed is positioned at the front portion of described hybrid chamber.
17. negative pressure wet scrubber according to claim 13 is characterized in that: described negative pressure airduct is a pipeline that can freely stretch.
18. negative pressure wet scrubber according to claim 12 is characterized in that: the shape of described hybrid chamber is a horn mouth, concentrates the first half that is placed in hybrid chamber at the high-pressure nozzle of installing near described blower fan place, becomes asymmetric layout.
19. according to claim 11 or 12 described negative pressure wet scrubbers, it is characterized in that: described separator comprises separator shell, separate sheet, access door, hold down gag and sewage draining exit.
20. negative pressure wet scrubber according to claim 19 is characterized in that: the netted separate sheet of multilayer multiple tracks is set, the installation of staggering of the mesh of the net sheet of per pass separate sheet in described separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205233081U CN201783280U (en) | 2010-09-09 | 2010-09-09 | Negative pressure wet type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205233081U CN201783280U (en) | 2010-09-09 | 2010-09-09 | Negative pressure wet type dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN201783280U true CN201783280U (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205233081U Expired - Lifetime CN201783280U (en) | 2010-09-09 | 2010-09-09 | Negative pressure wet type dust collector |
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| CN (1) | CN201783280U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220877A (en) * | 2011-05-27 | 2011-10-19 | 山东科技大学 | Mine atomizing rotational flow dust collection fan |
| CN102587956A (en) * | 2012-01-09 | 2012-07-18 | 河南理工大学 | Downhole parallel jet dust removal system |
| CN102606188A (en) * | 2012-03-14 | 2012-07-25 | 三一重型装备有限公司 | Dust removing fan and water system control method used for dust removing fan |
| CN103939040A (en) * | 2014-04-29 | 2014-07-23 | 淮南矿业(集团)有限责任公司 | Negative pressure dustproof device |
| CN107313959A (en) * | 2017-07-24 | 2017-11-03 | 天津中隧通风机有限公司 | The multi-functional large fan for tunnel |
| CN107676123A (en) * | 2017-08-29 | 2018-02-09 | 衢州市交通设计有限公司 | A kind of portable road and constructing tunnel deduster |
| CN108744796A (en) * | 2018-05-31 | 2018-11-06 | 安徽中疆环境科技有限公司 | A kind of air improvement fog gun vehicle |
| CN109663443A (en) * | 2019-01-17 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | Respiratory dust trapping apparatus |
-
2010
- 2010-09-09 CN CN2010205233081U patent/CN201783280U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220877A (en) * | 2011-05-27 | 2011-10-19 | 山东科技大学 | Mine atomizing rotational flow dust collection fan |
| CN102587956A (en) * | 2012-01-09 | 2012-07-18 | 河南理工大学 | Downhole parallel jet dust removal system |
| CN102606188A (en) * | 2012-03-14 | 2012-07-25 | 三一重型装备有限公司 | Dust removing fan and water system control method used for dust removing fan |
| CN102606188B (en) * | 2012-03-14 | 2014-10-01 | 三一重型装备有限公司 | Dust removing fan and water system control method used for dust removing fan |
| CN103939040A (en) * | 2014-04-29 | 2014-07-23 | 淮南矿业(集团)有限责任公司 | Negative pressure dustproof device |
| CN107313959A (en) * | 2017-07-24 | 2017-11-03 | 天津中隧通风机有限公司 | The multi-functional large fan for tunnel |
| CN107676123A (en) * | 2017-08-29 | 2018-02-09 | 衢州市交通设计有限公司 | A kind of portable road and constructing tunnel deduster |
| CN107676123B (en) * | 2017-08-29 | 2018-12-28 | 衢州市交通设计有限公司 | A kind of movable type road and constructing tunnel deduster |
| CN108744796A (en) * | 2018-05-31 | 2018-11-06 | 安徽中疆环境科技有限公司 | A kind of air improvement fog gun vehicle |
| CN108744796B (en) * | 2018-05-31 | 2021-04-06 | 安徽中疆环境科技有限公司 | Fog gun vehicle is administered to atmosphere |
| CN109663443A (en) * | 2019-01-17 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | Respiratory dust trapping apparatus |
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