CN2105991U - Water jet-flow ventilation dust removing device - Google Patents
Water jet-flow ventilation dust removing device Download PDFInfo
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- CN2105991U CN2105991U CN 91225578 CN91225578U CN2105991U CN 2105991 U CN2105991 U CN 2105991U CN 91225578 CN91225578 CN 91225578 CN 91225578 U CN91225578 U CN 91225578U CN 2105991 U CN2105991 U CN 2105991U
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Abstract
A water jet-flow ventilation dust removing device is a wet type separable ventilation dust removing system, which comprises a ventilating duct, a screw eductor, a gas and water separator, a dust collector, a plunger pump, an explosion-proof electric machine, a water box and a pneumatic hose. The utility model makes air flow to produce a jet negative pressure to absorb dusty air through the screw eductor highly jetting with high pressure water. The gas and water separator and the dust collector can precipitate, collect, filter dusty water mist formed by the dusty air being soaked by water mist so as to purify air. The utility model adopts a closed cycle water supply system and has the advantages of high efficiency, energy saving, simple structure and safety.
Description
The utility model relates to a kind of wet type ventilating dust-arrester, particularly relates to a kind of ventilating dust-arrester that utilizes water jet.
Harmful substances such as airborne dust, coal dust and flue dust, not only contaminated environment endangers people's health, and because of its excessive concentration often causes the blast and the pyrophoricity accident in operation place, brings great loss to the national wealth and the people's life security.For fear of the generation of this type of situation, people are for preventing dust, control dirt, purifying air and do a lot of work, and its main means are control dirt sources, and adopt more and strengthen ventilation, and dirt flows through the method for filter and dust recovery.Be divided into two types of dry type dust removal by ventilation and wet type dust removals by ventilation again from control system in form.As U.S. Procee-ding of Symposjum on Control of Spirable Coad Mine Dust(is " dust Control and processing compilation ") 1983,192～211 contained a kind of hydraulic-power ventilation dust pelletizing systems are made up of water jet, rotary filter, airduct, fog dispersal device, supply-water pump, water-supply-pipe etc.It is that press water is caught dirt through the vaporific ejection of multi-jet water jet, goes out pure air through strainer filtering again.And for example: U.S. Mining Engineering(i.e. " mining engineering ") 1988, No.9,898～900 contained wet type dust-collecting type ventilating and purifying air systems are made up of water jet, jet pump, ventilating fan, wet clearly device, airduct etc.Its principle mainly is to utilize the press water atomizing of ventilating fan with the water jet ejection, makes water smoke catch airborne dust.It is exactly the open circuit water supply system that all adopts that these two kinds of wet type ventilating and purifying air systems all exist a common defective, so the discharging of dedusting water is improper causes secondary pollution.Simultaneously, again because its system is huge, complex structure, accommodation is little, and efficiency of dust collection is low, and poor safety performance, and equipment manufacturing cost height are installed complexity, therefore promote the use of to be restricted.At present, China is in the colliery, the ventilating and purifying air system that generation places such as metallurgy, machinery, chemical industry, building materials, military project preparation still use axial-flow type or centrifugal fan to form, but it is the dry type ventilating and purifying air system, and it is to rely on increase to produce dirt place air discharge capacity to reduce the local space dust concentration, so the pernicious gas discharge capacity substantially exceeds national specified discharge standard, cause atmosphere pollution, and the power consumption of this system is big, noise is high, and dust removing effects is poor, and work safety is low.It is reported that China also has some product dirt places to use atomizing de-dusting and increasing ventilation way of combining to carry out dust removal by ventilation at present, but this mode mechanization degree is low, restive, particularly have the place of control requirement to be difficult to promote the use of to temperature." coal engineer " 1986, No.6, the another kind of wet type ventilating and purifying air system of 1-6 report is by axial-flow type mist-spraying cooling fan, supply-water pump, airduct, deduster, formations such as water-supply-pipe.It is to drag the axial-flow type mist-spraying cooling fan by motor, a drainpipe is housed on the blower fan main shaft, and the water of drainpipe is imported by water-supply-pipe by supply-water pump, and drainpipe is sprayed water on the blade of rotation, form water smoke, draught fan impeller rotates the negative pressure that forms dust laden air is sucked.Airborne like this dust mixes with water smoke, through filtering, precipitating, reaches the effect of dust removal by ventilation.But this ventilating and purifying air system exists the emission problem of dedusting water equally, and this system weighs 2 tons, complex structure, and the cost height, special in the inflammable and explosive place of high dust, poor safety performance makes to promote the use of to be restricted.
The purpose of this utility model is to provide a kind of and realizes what water for dust removal recycled, and ventilating dust-arrester simple in structure, wide accommodation.
The purpose of this utility model realizes by following measure:
This water jet ventilating dust-arrester comprises ventilating duct, water tank, water-supply-pipe and the water pump that is driven by explosion separation motor.Be provided with the spiral spray device that is fixed on the ventilating duct axial line at the ventilating duct inlet side, in ventilating duct, be provided with gas and water separator at the ventilating duct outlet side.Gas and water separator also be provided with dust collect plant away from the ventilating duct outlet side, dust collect plant is fixed on ventilating duct cross section minimum point place.Described spiral spray device comprises shell and is arranged at wherein spiral core matchingly with the endoporus of shell that the length of this spiral core is 50～100mm.The outer surface of spiral core is provided with 2～6 helicla flutes, and the total flow area of its helicla flute is 50～65% of a spiral core cross-sectional area.In the spiral spray device, a side of spiral core is the water inlet that links to each other with inlet channel, and its opposite side is the water spray outlet.Be provided with nozzle in the water spray outlet, the diameter of bore of nozzle is 4～10mm.Described nozzle is a single-hole nozzle.Gas and water separator comprises the frame that is complementary with the ventilating duct internal diameter, be fixed with the inclination angle in the frame and be 15 °～35 ° grid sheet, the lower limb of one of adjacent two grid sheets at least with the upper edge of adjacent another piece grid sheet in same level, vertical interval between the grid sheet is 10～25mm, and frame wide be 50～100mm.This gas and water separator is arranged at apart from the ventilating duct port of export 2～5m place.Dust collect plant comprises the shell of assembling dust and the removable filter net that is arranged within the described shell.
Advantage of the present utility model is:
1, because the utility model adopts spiral nozzle to spray the press water of 2～4MPa in ventilating duct, thereby make and spray into dedusting water in the ventilating duct in the technical solution described in the utility model with above-mentioned of the prior art different, promptly in the utility model, dedusting water is through the spiral spray device, and it is proal along helicla flute wherein, thereby the dust arrester of shower nozzle or fan type, the water smoke of this motion of shape in the shape of a spiral fully combines with the dust-contained airflow in the ventilating duct, therefore the catch rate to dust is improved, and dust removing effects can reach 99.9%.
2, adopted after the dust collect plant control of dust owing to device described in the utility model, clean water after will filtering is again carried recovery tank, again being conducted to spiral nozzle by water pump again repeats as dedusting water, thereby device described in the utility model is compared with dust arrester of the prior art, can save water for dust removal significantly, and because the employing of above-mentioned spirality nozzle has improved dust removing effects.Therefore as can be seen, described device is to have saved water when improving dust removing effects, and can or not discharge the improper secondary pollution that causes because of the excessive of dedusting water.
3, again because device described in the utility model has adopted gas and water separator, the filter screen in can not form obstruction compared to prior art, thereby its windage reduces greatly.This structure matches with above-mentioned spiral nozzle, can reduce the requirement to the output pressure of supply-water pump effectively, can reduce about 30% according to measuring and calculating, has reached energy-conservation effect.
4, because device described in the utility model has adopted dust collect plant, and be the front that it is arranged at gas and water separator, thereby can collect most water for dust removal effectively; Simultaneously, because dust collect plant is to be arranged at outside the ventilating duct, thereby it is very convenient to change filter screen.Guaranteed effectively that so again the water that returns water tank cleans, be beneficial to recycling of dedusting water.
To sum up effect as can be known, owing to do not adopt the multiinjector structure in the technical solution described in the utility model, also do not use parts such as ventilating fan, thereby it is compared with equipment of the prior art, simplify greatly on the structure, this weight that also just means this device descends significantly, volume also obviously dwindles simultaneously, these all will cause utilizing the cost of the dust arrester that technical solution provided by the utility model implements to reduce greatly, promptly only be about 1/3～1/2 of equal authenticity ventilating and purifying air system, and install, use, safeguard all very convenient.
While is safe and reliable owing to described device, thereby can adapt to the operating mode in high biogas or high concentrate dust place, so its scope of application is extensive.In addition, this device also has a significant effect for smoke elimination, dedusting, the airborne peculiar smell of elimination.
Description of drawings of the present utility model is as follows:
Fig. 1 is a scheme of installation of the present utility model;
Fig. 2 penetrates the cutaway view of device for spiral in the utility model;
Fig. 3 is along the cutaway view of A-A line among Fig. 2;
Fig. 4 and Fig. 5 are the structural representation of gas and water separator in the utility model.
Referring to Fig. 1, sequence number 1 expression ventilating duct, spiral spray device 4 is installed in the ventilating duct entrance side by support 3, and is positioned on the axis, promptly is arranged at left side shown in Figure 1 (following orientation up and down all refers to the orientation among Fig. 1).The water inlet that spiral is penetrated device 4 communicates by the high-pressure outlet of pipeline 2 with plunger displacement pump 9, and pipeline in the present embodiment 2 adopts high-pressure rubber pipes, also can adopt the pipe that working pressure requires that satisfies of other material, as steel pipe etc.Plunger displacement pump 9, explosion separation motor 5 and water tank 10 are arranged at outside the ventilating duct.Plunger displacement pump 9 is driven by explosion separation motor 5, and its water inlet is by water tank 10 supply clean water.Be provided with gas and water separator 7 at outlet side (apart from the port of export 2～5m place) near ventilating duct.The left side of gas and water separator is provided with dust collect plant 6, and its position is in the minimum point place of ventilating duct cross section, so that collect the sewage that contains dust that the tilted grating that inclines from gas and water separator 7 drips.Be provided with in the dust collect plant can be for convenience detach screen pack, clean water after filtering again can be from pipeline 8 reflow tanks 10, for recycling.
Fig. 2 has represented the concrete structure of spiral spray device 4.Spiral core 11 is arranged in the endoporus of injector shell 13, and spiral core 11 is cylindric, and its outer surface is provided with 2～6 helicla flutes, and the spiral fluted lift angle is preferably in 50 °～75 ° scopes.The spiral fluted design principle be guarantee the total flow area of helicla flute be spiral core 11 cross-sectional area 50～65%.The length of spiral core 11 is in 50～100mm scope.The front end of shell 13 is provided with nozzle 12, and the nozzle in the present embodiment is the single-hole nozzle of carbide alloy.The diameter of bore of nozzle is advisable about 4～10mm.The rear end of shell 13 is provided with internal thread, is used for being connected with the pipeline 2 of carrying water under high pressure.Fig. 3 has then represented to be provided with the situation that 6 spiral fluted spiral core 11 match with shell 13.
Fig. 4 and Fig. 5 represent the structure of gas and water separator 7.This device is made up of frame 14 and grid sheet 15, the angle of inclination of grid sheet 15 is preferably between 15 °～35 °, vertical interval between adjacent two grid sheets is preferably within 10～25mm scope, and the lower edge of the upper edge of adjacent two grid sheets and another piece grid sheet at least should be in same horizontal plane, promptly should guarantee the gap that between two grid sheets, do not allow dust granules to cut across at least, the width of gas and water separator 7 is preferably in 50～100mm scope, and its external diameter equates with the internal diameter of ventilating duct.
Provide another most preferred embodiment of device described in the utility model below again with the form of concrete sized data.
The plunger displacement pump that the utility model uses is horizontal three plunger high-pressure water pumps, allowable working pressure 2～4MPa, and flow 60～80L/min, pump motor are the three-phase asynchronous flame proof motor, power of motor 3～6KW.
Preferred embodiment of the utility model: ventilating duct diameter 500mm, length 16m, the spiral core diameter 8.5mm of spiral spray device has 4 wide 3mm, the helicla flute of dark 2.5mm, 60 ° of lead angles, nozzle is that hard contains golden single-hole nozzle, aperture 6mm, the grid sheet width 70mm of gas and water separator, 30 ° at grid sheet inclination angle, spacing 15mm.When plunger displacement pump pressure of supply water 2.5MPa, the water consumption 7L/min of system, the air quantity of generation are 246m
3/ min, liquid-gas ratio 0.33 ‰, efficiency of dust collection 99.9%, system noise 45dB(A).
The operation principle of device described in the utility model is such: input spiral spray device after the clean water supercharging that plunger displacement pump sucks from water tank by pipeline, water under high pressure quickens the back and contains the air injection of golden nozzle 12 in ventilating duct by hard in the threaded hole of spiral spray device 4, carry out power conversion, the water that ejects is vaporific and rotates accelerated motion along ventilating duct.At this moment, form very big pressure differential at nozzle and ventilating duct front end, be about to extraneous dust laden air and suck in the ventilating duct, dust-contained airflow contacts with water smoke, becomes dust-laden water smoke.After impinging upon the grid sheet of gas and water separator, dust-laden water smoke just is gathered into the dust-laden globule also owing to the deadweight principle drops in the dust collect plant.After dust collect plant filtered decomposition with dust-containing water, dust and other impurity just remained on the filter screen of dust collect plant, and the water of purification flows into water tank via pipeline.Meanwhile, the air of purification is discharged by the grid sheet gap of gas and water separator.Whole ventilating dust-arrester adopts pressure to regulate control, can satisfy the requirement of ventilation and efficiency of dust collection in a big way.
Claims (8)
1, a kind of water jet ventilating dust-arrester, comprise ventilating duct, water tank, water-supply-pipe and the water pump that drives by explosion separation motor, it is characterized in that, be provided with the spiral spray device that is fixed on the ventilating duct axial line at the ventilating duct inlet side, in ventilating duct, be provided with gas and water separator at the ventilating duct outlet side, gas and water separator also be provided with dust collect plant away from the ventilating duct outlet side, dust collect plant is fixed on ventilating duct cross section minimum point place.
2, ventilating dust-arrester as claimed in claim 1 is characterized in that, the spiral spray device comprises shell and be arranged at wherein spiral core matchingly with the endoporus of shell that the length of this spiral core is 50～100mm.
3, ventilating dust-arrester as claimed in claim 2 is characterized in that, the outer surface of spiral core is provided with 2～6 helicla flutes, and the total flow area of its helicla flute is 50～65% of a spiral core cross-sectional area.
4, ventilating dust-arrester as claimed in claim 2 is characterized in that, in the spiral spray device, one side of spiral core is the water inlet that links to each other with inlet channel, its opposite side is the water spray outlet, is provided with nozzle in the described water spray outlet, and the diameter of bore of nozzle is 4～10mm.
As claim 2 and 4 described ventilating dust-arresters, it is characterized in that 5, described nozzle is a single-hole nozzle.
6, ventilating dust-arrester as claimed in claim 1, it is characterized in that, gas and water separator comprises the frame that is complementary with the ventilating duct internal diameter, be fixed with the inclination angle in the frame and be 15 °～35 ° grid sheet, the lower limb of one of adjacent two grid sheets at least with the upper edge of adjacent another piece grid sheet in same level, vertical interval between the grid sheet is 10～25mm, and frame wide be 50～100mm.
As claim 1 and 6 described ventilating dust-arresters, it is characterized in that 7, described gas and water separator is arranged at apart from the ventilating duct port of export 2～5m place.
8, ventilating dust-arrester as claimed in claim 1 is characterized in that, dust collect plant comprises the shell of assembling dust and the removable filter net that is arranged within the described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91225578 CN2105991U (en) | 1991-09-28 | 1991-09-28 | Water jet-flow ventilation dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91225578 CN2105991U (en) | 1991-09-28 | 1991-09-28 | Water jet-flow ventilation dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2105991U true CN2105991U (en) | 1992-06-03 |
Family
ID=4931827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91225578 Granted CN2105991U (en) | 1991-09-28 | 1991-09-28 | Water jet-flow ventilation dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2105991U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295423C (en) * | 2003-03-10 | 2007-01-17 | 山东泰山能源有限责任公司翟镇煤矿 | High-pressure gas-flow jet spraying and dust-reducing apparatus |
| CN101829466A (en) * | 2010-03-19 | 2010-09-15 | 无锡市华能电力机械有限公司 | Negative pressure spray soaking dust collection device |
| CN103266908A (en) * | 2013-05-30 | 2013-08-28 | 煤炭科学研究总院 | Dust removing equipment of driving face |
| CN105080248A (en) * | 2014-05-16 | 2015-11-25 | 朱玲 | Air purification dust removal fan |
| CN105126497A (en) * | 2014-05-28 | 2015-12-09 | 蔡宗信 | Water filter material air cleaning apparatus |
| CN105194966A (en) * | 2015-11-03 | 2015-12-30 | 华北理工大学 | Mining water-jet explosion-proof dust removing device |
| CN106381161A (en) * | 2015-07-30 | 2017-02-08 | 姜和信 | Treatment process for dry quenching dust |
| CN106801927A (en) * | 2017-03-27 | 2017-06-06 | 安徽理工大学 | A kind of room ventilation humidity control device based on water jet |
-
1991
- 1991-09-28 CN CN 91225578 patent/CN2105991U/en active Granted
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295423C (en) * | 2003-03-10 | 2007-01-17 | 山东泰山能源有限责任公司翟镇煤矿 | High-pressure gas-flow jet spraying and dust-reducing apparatus |
| CN101829466A (en) * | 2010-03-19 | 2010-09-15 | 无锡市华能电力机械有限公司 | Negative pressure spray soaking dust collection device |
| CN101829466B (en) * | 2010-03-19 | 2012-04-18 | 无锡市华能电力机械有限公司 | Negative pressure spray soaking dust collection device |
| CN103266908A (en) * | 2013-05-30 | 2013-08-28 | 煤炭科学研究总院 | Dust removing equipment of driving face |
| CN103266908B (en) * | 2013-05-30 | 2015-11-25 | 煤炭科学技术研究院有限公司 | A kind of development end cleaner |
| CN105080248A (en) * | 2014-05-16 | 2015-11-25 | 朱玲 | Air purification dust removal fan |
| CN105126497A (en) * | 2014-05-28 | 2015-12-09 | 蔡宗信 | Water filter material air cleaning apparatus |
| CN105126497B (en) * | 2014-05-28 | 2017-05-10 | 蔡宗信 | Water filter material air cleaning apparatus |
| CN106381161A (en) * | 2015-07-30 | 2017-02-08 | 姜和信 | Treatment process for dry quenching dust |
| CN105194966A (en) * | 2015-11-03 | 2015-12-30 | 华北理工大学 | Mining water-jet explosion-proof dust removing device |
| CN105194966B (en) * | 2015-11-03 | 2017-02-22 | 华北理工大学 | Mining water-jet explosion-proof dust removing device |
| CN106801927A (en) * | 2017-03-27 | 2017-06-06 | 安徽理工大学 | A kind of room ventilation humidity control device based on water jet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |