CN207445851U - A kind of New Coal Mine efficient composite wet scrubber - Google Patents

Abstract

The utility model discloses a kind of New Coal Mine efficient composite wet scrubbers, it is characterised in that：The deduster is to integrate water-bath, filler, ejector, the efficient composite wet scrubber of vibratory string coral, and comprising multistage dedusting, dust removal process purifies successively from coarse granule, fine grained to subparticle：Primary dust removing traps large dust particle with self-excitation bathing dust removal part, and two-stage dust removal traps smaller particle dust with filler dust removal part, and 3-stage dust-removal traps respirable dust with wet type vibratory string coral dust removal part；It handles that air quantity is big, high dust collection efficiency, is not easy to plug, convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance；It can effectively be solved the problems, such as to be not achieved using a kind of deduster efficiency of dust collection and cannot meet the narrow space of underground coal mine, special technical conditions and the requirement for cost using multistage cleaner, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.

Description

A kind of New Coal Mine efficient composite wet scrubber

Technical field

The utility model is related to coal mine dedusting technical fields, are removed more particularly to a kind of New Coal Mine high efficiency composition rotating vane type Dirt device.

Background technology

Fully mechanized workface is one of main dust point of underground coal mine, with constantly carrying for coal mining machinery degree Height, efficient, high-power development machine widely use, and pit mining intensity is increasing, and the dust yield of fully mechanized workface is anxious Increase severely and add, there is the problems such as dust yield is big, concentration is high, seriously affect the health of worker, threaten the safety of mine Production.

Deduster dedusting is one of efficient dustproof measure of driving face, the deduster used both at home and abroad at present, according to Four major classes can be divided into dust particles capture mechanisms difference：Mechanical collector, filtration dust catcher, wet scrubber, electricity remove Dirt device.Compared to other dedusters, wet scrubber has high dust collection efficiency, while can be with cooling down, increase humidity and place The characteristics of managing inflammable, explosive and harmful poisonous gas, the at present extensive use in the industries such as metallurgy, mine.Wet dust removal can To handle pernicious gas and efficiency of dust collection is high compared with dry type, but compared to dry dust removal (such as sack cleaner), single dust removal machine There is processing air quantity is small, efficiency of dust collection is low etc. in the wet scrubber of reason, it is to improve to remove to develop multimachine and manage comprehensive deduster The developing direction of dirt efficiency.

In practical applications, for deduster there is also easily blocking, being not easy to clean, fluctuation of service, repair is inconvenient The problems such as.Multiple cleaners are used in series sometimes for the efficiency of dust collection required by reaching, Multilevel Dust Control System is sometimes There are three-level or level Four cleaner, but excavation face in coal mine complex geologic conditions, pipeline are various, narrow space, using multistage The narrow space of underground coal mine, special technical conditions and the requirement for cost cannot be met during dust pelletizing system.

Utility model content

For the above situation, the purpose of this utility model is to provide a kind of New Coal Mine efficient composite wet scrubber, To solve the above-mentioned problems of the prior art, this deduster is that it handles that air quantity is big, high dust collection efficiency, be not easy to plug, Convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance；It can effectively solve to be not achieved using a kind of deduster efficiency of dust collection And use multistage cleaner that cannot meet the narrow space of underground coal mine, special technical conditions and be wanted for cost The problem of asking, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.

To achieve the above object, the utility model provides following scheme：

The utility model provides a kind of New Coal Mine efficient composite wet scrubber, including：First feed pipe, air inlet Room, air inlet, dedusting funnel, adjust hand handle, supporting item, the first discharge pipe, S types blade, blade, lower blade, spill box, Sieve plate under overflow openings, the second discharge pipe, the second feed pipe, water level monitor, breather chamber, aerosol chamber, filler chamber, filler is filled out Material upper sieve plate, filling ball, jet stream room, ejector, Venturi tube, induction chamber, trunnion, diffuser, second nozzle, shake at first jet String grid, dedusting bucket, demisting bucket, vibratory string bank tube road, wind turbine drainpipe, the deduster are collection water-bath, filler, jet stream Device, vibratory string coral are in the efficient composite wet scrubber of one, by self-excitation bathing dust removal part, filler dust removal part and wet type Vibratory string grid dust removal part forms, and it includes multistage dedusting, dust removal process purifies successively from coarse granule, fine grained to subparticle： Primary dust removing traps large dust particle with self-excitation bathing dust removal part, two-stage dust removal with filler dust removal part trap compared with Little particle dust, 3-stage dust-removal trap respirable dust with wet type vibratory string coral dust removal part.

Preferably, it is gentle to include inlet plenum, dedusting funnel, S types blade, spill box for the self-excitation bathing dust removal part Fog chamber, the filler dust removal part include sieve plate under filler chamber, packing layer, filler upper sieve plate, filler, and the wet type vibratory string grid remove Dirt part includes jet stream room, vibratory string grid and vibratory string bank tube road, and the jet stream room enters chamber and ejector including gas；The self-excitation Formula water bath dust-removing part, the filler dust removal part and the wet type vibratory string grid dust removal part are suitable upwards by the deduster bottom Secondary connection.

Preferably, it is provided with the air inlet being connected with the pull-out type air duct on the inlet plenum, the inlet plenum and described Aerosol chamber close to being disposed side by side on above the dedusting funnel, and the inlet plenum and the aerosol chamber with the dedusting funnel Connection；The S types blade is horizontally disposed between the inlet plenum and the aerosol chamber and above the dedusting funnel, institute Stating S types blade includes blade and lower blade, and clean room is formed between upper leaf piece and the lower blade；The dedusting funnel Bottom is connected with the first discharge pipe by the first valve, and the dedusting hopper side walls are connected with the first water supply by the second valve Pipe.

Preferably, the dedusting funnel is adjustable funnel, and the inlet plenum is to be adjustable into gas chamber, the dedusting funnel bag The cone fixed sidewall and cone adjustment side wall, the inlet plenum for including both ends interconnection include the cylinder that both ends are connected with each other and consolidate Determine side wall and cylinder adjustment side wall, the upper end of the cone adjustment side wall is connected with the lower end of cylinder adjustment side wall, described It is extensible side wall that cone, which adjusts side wall and cylinder adjustment side wall, and the cone adjustment side wall is connected with tune by supporting item Save hand handle.

Preferably, the spill box is arranged on the outside of the dedusting funnel and passes through overflow openings and the dedusting funnel Connection, the spill box top are equipped with the breather chamber for connecting the spill box and the aerosol chamber, the spill box bottom Portion is connected with the second discharge pipe by the 3rd valve, and the spill box side wall is connected with the second feed pipe by the 4th valve, Water level monitor is equipped in the spill box

Preferably, the filler chamber connects with the aerosol chamber, and sieve plate is distinguished under the filler upper sieve plate and the filler Be arranged on the upper and lower ends of the filler chamber, described filler layer be arranged under the filler upper sieve plate and the filler sieve plate it Between, first jet is provided on the filler upper sieve plate, the first jet is high-pressure fog nozzle, the first jet connection There is the first automatic spraying system.

Preferably, the jet stream room enters chamber and ejector including gas, and the ejector includes Venturi tube and is arranged on Second nozzle in the Venturi tube, the Venturi tube includes being sequentially connected and integrally formed induction chamber, trunnion and diffuser, The gas enters chamber one end and is connected with the upper end of the filler chamber, and the gas enters the other end of chamber and the induction chamber connects It connects, the diffuser is connected with the vibratory string bank tube road, and the second nozzle is connected with the second automatic spraying system, the vibratory string Vibratory string grid described in multilayer are equipped in one end that bank tube road is connected with the diffuser, the front and rear vibratory string grid being disposed adjacent shake String silk is orthogonal.

Preferably, along distinguished and admirable flow direction, the vibratory string bank tube road is set successively from front to back in the lower section of the vibratory string grid It is equipped with dedusting bucket and demisting bucket；The link position of the vibratory string bank tube road and exhaust fan is provided with wind turbine drainpipe.

The utility model achieves following technique effect compared with the prior art：

A kind of New Coal Mine efficient composite wet scrubber processing air quantity provided by the utility model is big, efficiency of dust collection Height, be not easy to plug, convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance, taken up space not increasing dust pelletizing system substantially Efficiency of dust collection reaches more than 98.6% in the case of size, can effectively solve to be not achieved and adopted using a kind of deduster efficiency of dust collection The narrow space of underground coal mine, special technical conditions and the requirement for cost cannot be met again with multistage cleaner Problem, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.It is practiced, to existing Pernicious gas or the air purifying process in combustible dust place also have great importance, and promote and apply with great society's effect Benefit and economic benefit.

Dust-laden is distinguished and admirable to enter deduster by air inlet, from inlet plenum, S types blade, aerosol chamber, filler chamber, jet stream room, vibratory string Grid, wind turbine drainpipe are flowed out through exhaust fan；Dust removal process purifies successively from coarse granule, fine grained to subparticle, comprising Multistage dedusting：Primary dust removing is self-excitation bathing dust removal part, with gravity mechanism, inertia mechanism, centrifugation mechanism to bulky grain powder Dirt is trapped；Two-stage dust removal is filler dust removal part, with water-bath mechanism, spray mechanism trapping smaller particle dust；Three-level is removed Dirt is wet type vibratory string grid dust removal part, and respirable dust is trapped with vibratory string grid high-effective dust-removing mechanism.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is a kind of structure diagram of New Coal Mine efficient composite wet scrubber of the utility model；

Fig. 2 a are a kind of shapes of the S type blade blades of New Coal Mine efficient composite wet scrubber of the utility model With size (mm) schematic diagram；

Fig. 2 b be a kind of New Coal Mine efficient composite wet scrubber of this practicality S type blades under blade shape and ruler Very little (mm) schematic diagram；

Fig. 2 c are a kind of S type blade combination diagrams of New Coal Mine efficient composite wet scrubber of the utility model；

Fig. 3 is a kind of structure diagram of the ejector of New Coal Mine efficient composite wet scrubber of the utility model；

Fig. 4 is a kind of structure diagram of the vibratory string grid of New Coal Mine efficient composite wet scrubber of the utility model；

Fig. 5 is a kind of wind turbine drain structure signal of New Coal Mine efficient composite wet scrubber of the utility model Figure.

In figure：The first feed pipes of 1-；2- inlet plenums；21- air inlets；3- dedusting funnels；31- adjusts hand handle；32- is supported Part；The first discharge pipes of 33-；4-S type blades；41- blades；Blade under 42-；5- spill boxes；51- overflow openings；52- Two discharge pipes；The second feed pipes of 53-；54- water level monitors；55- breather chambers；6- aerosol chambers；7- filler chamber；It is sieved under 71- fillers Plate；72- filler upper sieve plates；73- filling balls；74- first jets；8- jet streams room；9- ejectors；91- Venturi tubes；911- air-breathings Room；912- trunnions；913- diffusers；92- second nozzles；10- vibratory string grid；11- dedusting buckets；12- demisting buckets；13- vibratory strings Bank tube road；14- wind turbine drainpipes；141- deduster inner cylinders, 142- wind turbine outer cylinders, 143- wind turbine drainpipe drainage positions； 15- exhaust fans.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

For the above situation, the purpose of this utility model is to provide a kind of New Coal Mine efficient composite wet scrubber, To solve the above-mentioned problems of the prior art, this deduster is that it handles that air quantity is big, high dust collection efficiency, be not easy to plug, Convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance；It can effectively solve to be not achieved using a kind of deduster efficiency of dust collection And use multistage cleaner that cannot meet the narrow space of underground coal mine, special technical conditions and be wanted for cost The problem of asking, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.

To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and have Body embodiment is described in further detail the utility model.

The utility model provides a kind of New Coal Mine efficient composite wet scrubber, as shown in Figure 1, including：First supplies Water pipe 1, inlet plenum 2, air inlet 21, dedusting funnel 3, adjust hand handle 31, supporting item 32, the first discharge pipe 33, S types blade 4, on Blade 41, lower blade 42, spill box 5, overflow openings 51, the second discharge pipe 52, the second feed pipe 53, water level monitor 54, Sieve plate 71, filler upper sieve plate 72, filling ball 73, first jet 74, jet stream room under breather chamber 55, aerosol chamber 6, filler chamber 7, filler 8th, ejector 9, Venturi tube 91, induction chamber 911, trunnion 912, diffuser 913, second nozzle 92, vibratory string grid 10, dedusting bucket 11st, demisting bucket 13, vibratory string bank tube road 13, wind turbine drainpipe 14, deduster inner cylinder 141, wind turbine outer cylinder 142, wind turbine row Water pipe drainage position 143, the deduster are to integrate water-bath, filler, ejector, the efficient composite wet dust removal of vibratory string coral Device is made of self-excitation bathing dust removal part, filler dust removal part and wet type vibratory string grid dust removal part, it includes multistage dedusting, Dust removal process purifies successively from coarse granule, fine grained to subparticle：Primary dust removing is with self-excitation bathing dust removal part to big Grain dust is trapped, and two-stage dust removal traps smaller particle dust with filler dust removal part, and 3-stage dust-removal is removed with wet type vibratory string coral Dirt part traps respirable dust.

Self-excitation bathing dust removal part includes inlet plenum 2, dedusting funnel 3, S types blade 4, spill box 5 and aerosol chamber 6, Filler dust removal part includes sieve plate 71 under filler chamber 7, filling ball 73, filler upper sieve plate 72, filler, wet type vibratory string grid dust removal part Including jet stream room 8, vibratory string grid 10 and vibratory string bank tube road 13；Self-excitation bathing dust removal part, filler dust removal part and wet type vibratory string Grid dust removal part is sequentially connected with upwards by deduster bottom.

Using the above structure, a kind of New Coal Mine efficient composite wet scrubber air quantity provided by the utility model it is big, High dust collection efficiency, be not easy to plug, convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance, do not increasing dust pelletizing system substantially Efficiency of dust collection reaches more than 98.6% in the case of shared space size, can effectively solve to reach using a kind of deduster efficiency of dust collection It cannot meet the narrow space of underground coal mine, special technical conditions and for cost less than and using multistage cleaner Requirement the problem of, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.Its implementation should With, also to have great importance to there are pernicious gases or the air purifying process in combustible dust place, promote and apply have weight Big Social benefit and economic benefit.

Dust-laden is distinguished and admirable to enter deduster by air inlet 21, from inlet plenum 2, S types blade 4, aerosol chamber 6, filler chamber 7, jet stream Room 8, vibratory string grid 10, wind turbine drainpipe 14 are flowed out through exhaust fan 15.

In specific scheme, self-excitation bathing dust removal part includes inlet plenum 2, dedusting funnel 3, S types blade 4, overflow water Case 5 and aerosol chamber 6 are provided with air inlet 21 on inlet plenum 2, and inlet plenum 2 and aerosol chamber 6 are disposed side by side on 3 top of dedusting funnel, and Inlet plenum 2 and aerosol chamber 6 are connected with dedusting funnel 3, and S types blade 4, which is horizontally mounted, to be arranged between inlet plenum 2 and aerosol chamber 6 And positioned at 3 top of dedusting funnel, S types blade 4 includes blade 41 and lower blade 42, as shown in Fig. 2 a~2c, 41 He of blade Clean room is formed between lower blade 42；3 bottom of dedusting funnel is connected with the first discharge pipe 33, dedusting funnel 3 by the first valve Side wall is connected with the first feed pipe 1 by the second valve, and spill box 5 is arranged on 3 outside of dedusting funnel and passes through overflow openings 51 connect with dedusting funnel 3, and 5 top of spill box is equipped with the breather chamber 55 of connection spill box 5 and aerosol chamber 6, spill box 5 bottoms are connected with the second discharge pipe 52 by the 3rd valve, and 5 side wall of spill box is connected with the second feed pipe by the 4th valve 53, spill box 5 is interior to be equipped with water level monitor 54.

In further embodiment, dedusting funnel 3 be adjustable funnel, inlet plenum 2 be adjustable air inlet room, dedusting funnel 3 include the cone fixed sidewall of both ends interconnection and cone adjustment side wall, and inlet plenum includes the cylinder that both ends are connected with each other and consolidates Determine side wall and cylinder adjustment side wall, the upper end of cone adjustment side wall is connected with the lower end of cylinder adjustment side wall, cone adjustment side wall It is extensible side wall with cylinder adjustment side wall, cone adjustment side wall is connected with adjusting hand handle by supporting item.

Extensible side wall can be the extensible side wall of elasticity；Or non-resilient extensible side wall, such as extensible side One end of wall is fixedly connected with one end of fixed sidewall, and the other end of extensible side wall can be moved compared with the other end of fixed sidewall It moves and sealing can be formed, can realize the stretching, extension of extensible side wall.Hand handle 31 is adjusted by mobile, can be driven extensible Flexible deformation or circumferential mobile occurs for side wall, so as to adjust 3 cross-sectional area of inlet plenum 2 and dedusting funnel, so that same During working face, 21 gas flow rate of air inlet is adjusted；A kind of New Coal Mine high efficiency composition rotating vane type provided by the utility model removes When dirt device is applied to different working faces, extensible side wall is adjusted, so as to fulfill flexible modulation inlet plenum 2 and dedusting funnel 3 Cross-sectional area to adjust its internal throughput, reach the optimum speed of dust separation.

In further embodiment, 3 bottom of dedusting funnel is connected with the first discharge pipe 33, dedusting funnel by the first valve 3 side walls are connected with the first feed pipe 1 by the second valve, and spill box 5 is arranged on 3 outside of dedusting funnel and passes through overflow openings 51 connect with dedusting funnel 3, and 5 top of spill box is equipped with the breather chamber 55 of connection spill box 5 and aerosol chamber 6, spill box 5 Bottom is connected with the second discharge pipe 52 by the 3rd valve, and 5 side wall of spill box is connected with the second feed pipe by the 4th valve 53, spill box 5 is interior to be equipped with water level monitor 54.

Spill box 5 is used for controlling the stability of water level and water level in dedusting funnel 3, is set on spill box 5 logical Gas chamber 55 makes spill box 5 equal with 55 pressure of aerosol chamber, and overflow openings 51 are located in dedusting funnel 3, with 51 generation of overflow openings The water in dedusting funnel 3 with spill box 5 is connected for susceptible to plugging overflow pipe, dedusting is reflected by spill box 5 Water surface elevation in funnel 3, if water level monitor 54 monitors that water level in spill box 5 is relatively low, control system passes through Two feed pipes 53 supply water to ensure the constant level of deduster into spill box 5, so as to ensure the stabilization of efficiency of dust collection.

In more specific scheme, inlet plenum 2 is that (its specific size need to be according to the actual feelings of application site for 0.28m for radius Condition determines) cylindrical cavity, to make to be uniformly distributed in entire S types blade 4 into the gas in deduster, air inlet 21 should be higher by 4 certain altitude of S types blade, such as 0.5m；To prevent dedusting funnel 3 from blocking, it should be ensured that the angle of dedusting funnel 3 is appropriate big, The adjustable initial funnel angle of funnel is set to 55 °, depth 0.6m.

Air velocity reaches 18~30m/s in clean room between blade 41 and lower blade 42, and intake velocity is generally not More than 18m/s.To avoid corroding and convenient for deashing, 4 material of S types blade uses stainless steel, and the shape and size of S types blade 4 are such as , must be horizontal when S types blade 4 is installed shown in 2a, the blade combination after assembling is as shown in Figure 2 b.

51 perforate of overflow openings is designed as 100mm × 50mm or so, and spill box 5 controls water level as 20mm, i.e. overflow Weir is higher by under blade 41 along 20mm, and water-level fluctuation is no more than 5mm, and to reduce water level fluctuation, the first feed pipe 1, second supplies water Pipe 53 and overflow openings 51 are embedded in below control water level.

Using the above structure, after deduster is powered, deduster is washed by water by the first feed pipe 1 to priming level, water level Height is concordant with 41 lower edge of blade, then starts exhaust fan 15.Dusty gas flows into inlet plenum 2 by air inlet 21, Since gas mobile section expands, gas flow rate is slack-off, large dust particle gravitational settling, the downward impact liquid level of rocket motor, swashs It plays a large amount of water droplets and enters S types blade 4, aqueous vapor is sufficiently mixed, and tiny grit is captured.Air-flow is laggard from air passage outflow S types blade 4 Enter aerosol chamber 6, gas mobile section expands again, and speed reduces suddenly, and dust of water droplets drops and is captured by the water in water, gas Flowing is continued up, is sink to 3 bottom of dedusting funnel, and the grit being captured by the water is sink to 3 bottom of dedusting funnel, passes through the first plasma discharge Pipe 33 is periodically discharged.

Aerosol chamber 6 need not set water fender, reduce the pressure loss of aerosol chamber 6.6 cross sectional dimensions of aerosol chamber mainly takes Certainly in filler chamber 7, it is determined by experiment distinguished and admirable when can make to roll and obtain optimal efficiency of dust collection in filler chamber 7 above and below filler Thus speed calculates cross-sectional area；6 cross-sectional area of aerosol chamber should be suitably big, can make to be stained with flood in dust-contained airflow The grit of drop has time enough to be settled down to by Gravitative Loads in water since speed reduces (mobile section increase) suddenly.

In another specific scheme, filler dust removal part includes filler chamber 7, filling ball 73, filler upper sieve plate 72, fills out The lower sieve plate 71 of material, filler chamber 7 connect with aerosol chamber 6, and sieve plate 71 is separately positioned on filler chamber 7 under filler upper sieve plate 72 and filler Upper and lower ends, filler are positioned under filler upper sieve plate 72 and filler between sieve plate 71, and the first spray is provided on filler upper sieve plate 72 Mouth 74.

In more specific scheme, 7 barrel diameter of filler chamber is not less than 0.38m, and packing layer selects on-fixed packing layer, filler The filler of layer is shape made of the polypropylene material of diameter 38mm similar to the filling ball 73 of QTL-150T.Filling ball stacks 4 layers, Height 152mm is stacked, 72 sieve plate spacing 456mm of sieve plate 71 and filler upper sieve plate under filler is sieved on sieve plate 71 and filler under filler Size between the coral item of plate 72 is all 20mm, and filler upper sieve plate 72 is using coral intercepting padding material ball 73 made of nylon yarn, filler Lower sieve plate 71 is using coral item support filling ball 73 made of alloy-steel wire.First jet 74 is high-pressure fog nozzle, makes filling ball 73 can fully infiltrate, and first jet 74 is connected with the first automatic spraying system.

Using the above structure, filler dust removal part using first jet 74 to filler spray with additive spray liquid with And the inertial collision of filler, interception, suction-operated, one side filling ball 73 under the action of air-flow up and down rolling, mutually wash away, The time of contact of dust and spray liquid can be increased, on the other hand, spray liquid wetting filler shows to form gas-liquid circle in filling ball 73 Dirt effect is caught in face mass transfer, increase.The dust being captured can also be fallen by the mutual collision of filling ball 73 and washing away for spray liquid Dedusting funnel, the mutual collision of filling ball 73 can also play the purpose of cleaning filling ball 73, so that dusty gas is filled with solution Tap, which is touched, completes dust removal process.

In another specific scheme, wet type vibratory string grid dust removal part includes jet stream room 8, vibratory string grid 10 and vibratory string bank tube Road 13, jet stream room 8 enter chamber and ejector 9 including gas, and ejector 9 includes Venturi tube 91 and be arranged in Venturi tube 91 the Two nozzles 92, Venturi tube 91 includes being sequentially connected and integrally formed induction chamber 911, trunnion 912 and diffuser 913, vibratory string grid As shown in figure 4, gas enters chamber one end is connected with the upper end of filler chamber 7, gas enters the other end and the Wen of chamber for 10 structure The induction chamber 911 of pipe 91 connects, and the diffuser 913 of Venturi tube 91 is connected with vibratory string bank tube road 13, and second nozzle 92 is connected with Two automatic spraying systems are equipped with multilayer vibratory string grid 10 in one end that vibratory string bank tube road 13 is connected with the diffuser 913 of Venturi tube 91, The vibratory string silk of the front and rear vibratory string grid 10 being disposed adjacent is orthogonal.

Along distinguished and admirable flow direction, vibratory string bank tube road 13 is disposed with dedusting bucket from front to back in the lower section of vibratory string grid 10 11 and demisting bucket 12；Vibratory string bank tube road 13 and the link position of exhaust fan 15 are provided with wind turbine drainpipe 14.

In more specific scheme, 10 cross section of vibratory string grid is designed as the circle that radius is 0.28m, 13 size of vibratory string bank tube road To be slightly larger than 10 size of vibratory string grid, radial design 0.29m.10 filtering material of vibratory string grid selection diameter is 0.15~0.2mm Alloy-steel wire, vibratory string silk spacing are 1.5mm.10 structure diagram of vibratory string grid as shown in figure 4, installation when, adjacent two pieces of vibratory string grid Horizontal arrangement after 10 vibratory string silk preceding will be indulged, makes the vibratory string silk on adjacent vibratory string grid 10 orthogonal.10 number of plies of vibratory string grid is 8 layers, While dust filtering, also play a part of demisting, dewatering part uses 10 demisting of vibratory string grid, in vibratory string bank tube road 13 and pull-out type The link position of wind turbine 15 sets wind turbine drainpipe 14, prevents the water that air-flow is taken out of from entering exhaust fan 15.

Ejector 9 includes Venturi tube 91 and the second nozzle 92 that is arranged in Venturi tube 91, and pressure water stream is from second nozzle 92 are projected with flank speed, and 911 pressure of Venturi tube induction chamber is made to reduce to form negative pressure volume suction dust laden air, contains smaller particle coal The air-flow of dirt and drop be sufficiently mixed in Venturi tube aditus laryngis entrance and trunnion 912 (in gas grit and drop be condensed into compared with Bulky grain), gas liquid mixture is discharged by Venturi tube diffuser 913, and speed slows down, and pressure enhancing forms strength injection stream With whole sections of certain speed uniform fold vibratory string grid 10, as shown in Figure 3.

Using the above structure, first before dust particles are contacted with vibratory string grid 10, it is soaked by high-pressure fog, one Larger dust particles is divided directly to be captured by water droplet, carry out rough dusting, another part dust is captured by vibratory string grid 10.When containing When the air of dust flows through vibratory string grid 10, dust runs on vibratory string silk moisture film and intercepts and be detained, and vibratory string grid 10 shake String silk generates high-frequency vibrations in airflow function, strengthens the cohesion in water mist grain and dust laden air between dust particles and makees With so as to improve the efficiency of seizing dust to fine dust.A part of dust is captured by the fluid film on vibratory string grid 10, then by Water droplet absorption on vibratory string silk, since self gravitation settles and accumulates current, moreover it is possible to play the role of cleaning vibratory string grid 10.It is wet Profit powder dust particle and water mist are flowed to current in dedusting bucket 11 and demisting bucket 12 respectively, and purified air flows to pull-out type Wind turbine 15.

First jet 74 and second nozzle 92 in filler chamber 7 and jet stream room 8 are respectively connected with a set of automatic spraying system, from Dynamic spraying system includes penstock, water filter, pressue device, measuring device and electrical ball valve, by penstock, water filtration Device, pressue device, measuring device, electrical ball valve and 74/ second nozzle 92 of first jet are sequentially connected via connecting line, due to Sensor on electrical ball valve is installed, automatic decision can be carried out to environment, when there is dust-contained airflow to pass through, realization automatically controls spray Mist function.Measuring device uses the difunctional High-pressure watermeter of SGS types, and water filter uses GCQ-3 type water filters, pressurization dress It puts and is pumped using BP-75/12 types mine spray, each device uses quick coupling connection mode using caliber for 25mm high-pressure rubber pipes Connection.Second nozzle 92 selects 2~4 SD304 Solid cone nozzles, and second nozzle 92 makes water fogging during use, outflow second It is atomized again under the impact of high speed dusty gas stream after nozzle 92, so as to fulfill secondary-atomizing；First jet 74 selects height Spray nozzle is pressed, filling ball 73 is allow fully to infiltrate.

Dust-laden is distinguished and admirable into deduster, and dust removal process purifies successively from coarse granule, fine grained to subparticle, and it includes more Grade dedusting：Primary dust removing is self-excitation bathing dust removal part, with gravity mechanism, inertia mechanism, centrifugation mechanism to large dust particle It is trapped；Two-stage dust removal is filler dust removal part, with water-bath mechanism, spray mechanism trapping smaller particle dust；3-stage dust-removal For wet type vibratory string grid dust removal part, respirable dust is trapped with vibratory string grid high-effective dust-removing mechanism.Deduster processing air quantity is big, removes Dirt is efficient, be not easy to plug, convenient for cleaning, have many advantages, such as it is stable, it is easy to maintenance, do not increasing dust pelletizing system institute substantially Efficiency of dust collection reaches more than 98.6% in the case of the size that takes up space, and can effectively solve using a kind of deduster efficiency of dust collection up to not The narrow space of underground coal mine, special technical conditions cannot be met and for cost to and using multistage cleaner It is required that the problem of, to tackle the problems such as dust yield is big, concentration is high existing for excavation face in coal mine.It is practiced, Also to have great importance to there are pernicious gases or the air purifying process in combustible dust place, promote and apply with great Social benefit and economic benefit.

Dust-laden is distinguished and admirable to enter deduster by air inlet 21, from inlet plenum 2, S types blade 4, aerosol chamber 6, filler chamber 7, jet stream Room 8, vibratory string grid 10, wind turbine drainpipe 14 are flowed out through exhaust fan 15.

The operation principle and process of a kind of New Coal Mine efficient composite wet scrubber system provided by the utility model are such as Under：

1. dust-contained airflow by air inlet 21 enter inlet plenum 2, gas section expand, large dust particle due to speed reduce, Then gravitational settling is turned, due to inertial collision and centrifugation mechanism, part dust sinks to dedusting funnel 3, and dusty gas obtains Thick purification；

2. under the swabbing action of exhaust fan 15, the water level decreasing of gas approaching side, the water level rise of outflow side contains Dust and gas stream impact liquid level evokes a large amount of water droplets and enters S types blade 4, and air water is sufficiently mixed, and a part of grit is dropped down onto by water droplet adherency Dedusting funnel 3, a part of tiny grit flow through S types blade 4 to form centrifugal force due to turning to suddenly, and water droplet grit, which is got rid of to dedusting, to be leaked Struggle against outer wall, flows to dedusting funnel 3；

3. air-flow enters aerosol chamber 6 by the clean room for flowing through S types blade 4, gas flow area expands, and speed drops suddenly Low, part grit gravitational settling, gas flows upward to filler chamber 7 after purification；

4. spray liquid of the sprinkling containing additive, revocable filling ball 73 are sprayed first jet 74 downwards in filler chamber 7 Liquid fully soaks, rolling, the constantly collision up and down under the action of gas impact of the filling ball 73 through wetting, due to adding dust Time of contact and contact area with spray liquid, small particle dust are captured, and the dust on filling ball 73 is rushed due to spray liquid The mutual collision of brush and filling ball 73 falls into dedusting funnel 3；

5. second nozzle 92 is gone out water flow jet by Venturi tube 81, using jet current principle, high velocity fog is further speeded up Spraying and the inflow of 10 interface dusty gas of vibratory string grid, part dust are collided, agglomerated, settled, flowed into dedusting bucket；

6. dust-contained airflow generates sound wave, while interception by vibratory string grid 10 through vibratory string grid 10 under vibratory string silk effect of vibration Accelerate dust particles cohesion, fall into dedusting bucket；

7. vibratory string grid 10 while dust filtering, also play a part of demisting, especially Hou Ji roads vibratory string grid 10, mainly it is Reach defogging effect, and so that it is fallen into demisting bucket 12；

8. the link position of vibratory string bank tube road 13 and exhaust fan 15 is provided with wind turbine drainpipe 14, as shown in figure 5, Discharge is collected to the remaining water droplet in air-flow, in case water droplet is brought into exhaust fan 15 and influences its working performance.

Specific case is applied in the utility model to be set forth the principle and embodiment of the utility model, more than The explanation of embodiment is only intended to help the method and its core concept for understanding the utility model；Meanwhile for the one of this field As technical staff, according to the thought of the utility model, in specific embodiments and applications there will be changes.To sum up Described, this specification content should not be construed as the limitation to the utility model.

Claims (4)

1. a kind of New Coal Mine efficient composite wet scrubber, it is characterised in that：The deduster is removed including self-excitation bathing Dirt part, filler dust removal part and wet type vibratory string grid dust removal part, the self-excitation bathing dust removal part, the filler dust removal unit Divide and the wet type vibratory string grid dust removal part is sequentially connected with upwards by deduster bottom；The deduster includes multistage dedusting, removes Dirt process purifies successively from coarse granule, fine grained to subparticle：Primary dust removing is with the self-excitation bathing dust removal part to big Granule dust is trapped, and two-stage dust removal traps smaller particle dust with the filler dust removal part, and 3-stage dust-removal is with described wet Formula vibratory string coral dust removal part traps respirable dust.

2. New Coal Mine efficient composite wet scrubber according to claim 1, it is characterised in that：The self-excited water Bathing dust removal part includes inlet plenum, dedusting funnel, S types blade, spill box and aerosol chamber, air inlet being provided on the inlet plenum Mouthful, the inlet plenum and the aerosol chamber are close to being disposed side by side on above the dedusting funnel, and the inlet plenum and the gas Fog chamber is connected with the dedusting funnel；The S types blade is horizontally disposed between the inlet plenum and the aerosol chamber and position Above the dedusting funnel, the S types blade includes blade and lower blade, shape between upper leaf piece and the lower blade Into clean room；The dedusting funnel bottom is connected with the first discharge pipe by the first valve, and the dedusting hopper side walls pass through Two valves are connected with the first feed pipe；The dedusting funnel is adjustable funnel, and the inlet plenum is described to remove to be adjustable into gas chamber Dirt funnel, which includes the cone fixed sidewall of both ends interconnection and cone adjustment side wall, the inlet plenum, to be included both ends and is connected with each other Cylinder fixed sidewall and cylinder adjustment side wall, the upper end and the lower end of cylinder adjustment side wall of cone adjustment side wall connect It connects, the cone adjustment side wall and cylinder adjustment side wall are extensible side wall, and the cone adjustment side wall passes through supporting item It is connected with adjusting hand handle；The spill box is arranged on the outside of the dedusting funnel and passes through overflow openings and the dedusting funnel Connection, the spill box top are equipped with the breather chamber for connecting the spill box and the aerosol chamber, the spill box bottom Portion is connected with the second discharge pipe by the 3rd valve, and the spill box side wall is connected with the second feed pipe by the 4th valve, Water level monitor is equipped in the spill box.

3. New Coal Mine efficient composite wet scrubber according to claim 2, it is characterised in that：The filler dedusting Part includes sieve plate under filler chamber, packing layer, filler upper sieve plate, filler, and the filler chamber connects with the aerosol chamber, described to fill out Sieve plate is separately positioned on the upper and lower ends of the filler chamber under material upper sieve plate and the filler, and described filler layer is arranged at described fill out Under material upper sieve plate and the filler between sieve plate, first jet, the first jet connection are provided on the filler upper sieve plate There is the first automatic spraying system.

4. New Coal Mine efficient composite wet scrubber according to claim 1, it is characterised in that：The wet type vibratory string Grid dust removal part includes jet stream room, vibratory string grid and vibratory string bank tube road, and the jet stream room enters chamber and ejector including gas, described Ejector includes Venturi tube and the second nozzle that is arranged in the Venturi tube, the Venturi tube include being sequentially connected and one into Induction chamber, trunnion and the diffuser of type, the gas enter chamber one end and are connected with the upper end of the filler chamber, and the gas enters The other end of chamber is connected with the induction chamber, and the diffuser is connected with the vibratory string bank tube road, and the second nozzle is connected with Second automatic spraying system is equipped with vibratory string grid described in multilayer in one end that the vibratory string bank tube road is connected with the diffuser, preceding The vibratory string silk for the vibratory string grid being disposed adjacent afterwards is orthogonal；Along distinguished and admirable flow direction, the vibratory string bank tube road shakes described The lower section of string grid is disposed with dedusting bucket and demisting bucket from front to back；The vibratory string bank tube road and the company of exhaust fan It connects position and is provided with wind turbine drainpipe.