CN104474819B - A kind of wet type catches the distinguished and admirable cooling device of dirt - Google Patents
A kind of wet type catches the distinguished and admirable cooling device of dirt Download PDFInfo
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- CN104474819B CN104474819B CN201410634792.8A CN201410634792A CN104474819B CN 104474819 B CN104474819 B CN 104474819B CN 201410634792 A CN201410634792 A CN 201410634792A CN 104474819 B CN104474819 B CN 104474819B
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Abstract
The invention provides a kind of wet type and catch the distinguished and admirable cooling device of dirt, be arranged on the rear position of meeting head on of getting working face digger, be connected with the port of export of dirty wind suction tube, it comprises spray dust remover, eddy flow centrifugal dust collection device, Air Filter filter, air-cooled type heat exchanger, deflection plate demister that case and casing interior are linked in sequence; Eddy flow centrifugal dust collection device and deflection plate demister separately below case wall on be also respectively arranged with drain pipe port.Fully mechanized workface is caught dirt in the present invention and distinguished and admirable cooling operations combines, first to catch the processing mode of dirt, rear cooling airflow, first through multistage, dirt process is caught to dirty wind, lower the temperature through demist again, temperature distinguished and admirable for working face is controlled within preference temperature, ensure the working environment of mining face under mine safety and comfort, solve the problem of coal mine excavation working face high temperature with high dust preferably.
Description
Technical field
The present invention relates to a kind of distinguished and admirable cooler, particularly relate to a kind of wet type and catch the distinguished and admirable cooling device of dirt, belong to mine dedusting cooling field.
Background technology
At present, coal still occupies the leading position in China's energy resource structure.Along with the continuous increase of the coal mining degree of depth, mechanical mining degree improve constantly, the continuing to increase of installed capacity in working face, fully mechanized workface dust-producing amount increases and high temperature problem occurs in succession, has a strong impact on the safety in production of mine and the healthy of worker.
Large quantifier elimination and test both at home and abroad proves: in the operating environment in the face of down-hole fully mechanized workface complexity, distinguished and admirable middle high dust concentration and high temperature problem particularly outstanding.
Among numerous dust control technology means, taking out dirt purification is solve one of the most effective technological approaches of channel of coal mining working surface dust pollution question.
Meanwhile, in order to reduce the temperature of working face, utilize aeration-cooling while, the Coal Exploitation mode of machinery cooling of China's existing One's name is legion now.Wherein, air cooler, as distinguished and admirable cooling device indispensable in comprehensive cooling measure, is progressively applied to each large mining area of China.
But, present stage China's high temperature produce the control dust pelletizing system of dirt working face and cooling regulating system is done things in his own way, worked independently, cause taking working space large, economic rationality wretched insufficiency.
How effectively the two organically combined, develop one and can control dirt dedusting, the integral type regulated of lowering the temperature again catches the distinguished and admirable cooling device of dirt, and become the problem that of those skilled in the art is important, its R&D work has the positive effect of reality.。
Summary of the invention
The object of the invention is, provide a kind of wet type to catch the distinguished and admirable cooling device of dirt, it can be used for fully mechanized workface and catch dirt, and the wet type carrying out again distinguished and admirable cooling operations catches the distinguished and admirable cooling device of dirt, effectively to solve the problem of coal mine excavation working face high temperature with high dust.
The technical scheme that the present invention is adopted for achieving the above object is, a kind of wet type catches the distinguished and admirable cooling device of dirt, be arranged on the rear position of meeting head on of getting working face digger, be connected with the port of export of dirty wind suction tube, it is characterized in that, comprise spray dust remover, eddy flow centrifugal dust collection device, Air Filter filter, air-cooled type heat exchanger, deflection plate demister that case and casing interior are linked in sequence; Wherein,
Inlet tube one end of described spray dust remover is connected with fog remover induction system, and the spiral nozzle stay pipe that the other end and is similar to spring helical structure is connected;
Described nozzle support pipe is evenly provided with the high-pressure atomization nozzle of some quantity, the Way out of each high-pressure atomization nozzle is different, when each high-pressure atomization nozzle is sprayed simultaneously, overall in diffuse reflection state;
Described fog remover induction system comprises the entrance point of storage tank, water filter, fog remover adding apparatus and the tubing pump connected in turn; Described storage tank is connected with tap water supply pipe, and the port of export of described tubing pump is connected with described inlet tube;
The power shaft of described eddy flow centrifugal dust collection device is connected with motor, and its output shaft is provided with swirl vane;
Described swirl vane totally three groups, is followed successively by first order swirl vane, second level swirl vane and third level swirl vane from left to right; Outer casing inner wall between every adjacent two-stage swirl vane is provided with the dash screen cloth of annular;
Described Air Filter filter is arranged on described encloser inner wall;
Described air-cooled type heat exchanger is plate type heat exchanger, and its cooling water inlet pipe is connected with the defeated cold pipeline of the refrigeration machine outside device;
Described refrigeration unit provides spray the cool brine of-8 degrees Celsius for described air-cooled type heat exchanger, and supply described air-cooled type heat exchanger to cool to the hot blast entered wherein, the hot water after heat exchange is arranged outward;
Described deflection plate demister comprises the some baffle plate stacked layer by layer, the surrounding of described baffle plate respectively with described encloser inner wall close contact;
The rear position place of described deflection plate demister is provided with silencer, and described silencer is connected with the outlet of described case end;
Described eddy flow centrifugal dust collection device and deflection plate demister separately below case wall on be also respectively arranged with drain pipe port.
Be preferably, the spacing between described deflection plate and baffle plate is 30-40mm, and the angle of described baffle plate is 90 degree.。
Further preferably, described high-pressure atomization nozzle is solid conical nozzle, and its atomizing angle is 60-70 degree.
Further preferably, described in be similar to spring helical structure the number of turns that goes up in the horizontal direction of spiral nozzle stay pipe be 2-4 circle, often circle includes 5-8 high-pressure atomization nozzle respectively.
Further preferably, described deflection plate material is stainless steel.
The technique effect that technique scheme is directly brought is, adopt fountain air cooling integral structure form, its whole apparatus structure is compact, volume is little, lightweight, carry out catching dirt work in cooling simultaneously, solve the technical problem of the installing space deficiency existing for air cooling device also will installing single structure form in prior art after dust trapping device in addition preferably.
The spray water that above-mentioned spray dust remover ejects, its radiation scope is wide, wide coverage, depositing dust good dedusting effect;
Eddy flow centrifugal dust collection device makes water dust mixed airflow thing form eddy flow turbulent flow, and under the influence of centrifugal force, dirt aqueous mixtures is thrown on case barrel, along wall landing, then discharges through drain pipe port mouth, depositing dust good dedusting effect;
Thorough for remaining dust mistake filters by Air Filter filter further, to guarantee the purified treatment effect of dirty wind.
Air-cooled type heat exchanger adopts the cool brine of-8 degrees Celsius to make the plate type heat exchanger of heat exchange medium, its good cooling effect;
Deflection plate demister structure is simple, it is easy to unpick and wash, and surface area is large, and demist is reliable for effect.
After tested, wet type of the present invention catches the distinguished and admirable cooling device of dirt, and its final efficiency of dust collection is more than 95%, and airflow temperature on average can reduce by 10 DEG C-15 DEG C, and maximum process air quantity can reach 800m
3/ min, distinguished and admirable clean thermophilic after process, has ensured and has successfully solved the problem of the high temperature existing for coal mine excavation working face, high dust by the production operation environment that downhole safety is comfortable.
For understanding the present invention better, now introduce technological process of the present invention and operation principle thereof in detail:
Installation site is positioned at getting working face digger and meets head on rear, freshly distinguished and admirablely be transported to driving face through air duct, dirty wind flows to wet type along suction tube and catches the distinguished and admirable cooler of dirt, now switch on power, motor works, catch the distinguished and admirable cooler of dirt to run, high-pressure fog water enters storage tank successively by water inlet pipe, water filter, spraying supercharging device, simultaneously, run dustfall agent automatic adding device, efficient dustfall agent is added and enters spraying water, the water passing through pressurization and interpolation dustfall agent enters the nozzle support pipe of dedusting fan, nozzle is changed into by single setting and arranges setting more, solid is installed, spray coverage is changed into spraying and cover entity, water under high pressure with dustfall agent is sprayed by high-efficiency atomizing nozzle, by collision, dust catching is got off to be formed dirt aqueous mixtures by the comprehensive function of the multiple mechanism such as interception and diffusion, dirt aqueous mixtures be mixed in distinguished and admirable in by being forced during Multi-stage spiral centrifugal dust collection device to form the helical airflow of High Rotation Speed, under the influence of centrifugal force, dirt aqueous mixtures is thrown barrel, eddy flow centrifugal dust collection device generally arranges 3 ~ 5 grades of centrifugal portions of eddy flow, an active centrifugal portion of eddy flow, multiple centrifugal portion of driven eddy flow, every portion comprises swirl vane and dash screen cloth.
Dust-laden is distinguished and admirable there is local eddy currents phenomenon near dash screen cloth, improves dust removing effects, and this device major part dirt aqueous mixtures of the distinguished and admirable process of dust-laden is removed, and sewage is discharged by discharge outlet;
Simultaneously, the dirt aqueous mixtures be not removed moves to dust removal and filtration net arrangement with distinguished and admirable, dedusting filter is the annular filter device be attached on barrel, carried out again being separated to the dirt aqueous mixtures in air-flow, clean distinguished and admirable inflow air-cooled type heat exchanger, air cooled heat exchanger utilizes heat convection principle, by the standby cool brine of refrigeration mechanism through defeated cold Cemented filling in the blender of air cooler, cool brine contacts on a large scale with distinguished and admirable, and airflow temperature is reduced, and sewage is discharged by discharge outlet.
Contain a large amount of droplet owing to cooling rear air-flow, thus install deflection plate demister subsequently, this demister adopts streamline multi-channel type deflection plate, blade pitgh 30-40mm, because mostly concentrating near barrel containing nebelwind stream, monnolithic case structure is wide outside and narrow inside, and surface is bonded with surface fiber.The passage of many sub-threads is separated into after flowing to blower fan demister containing nebelwind, under the effect of inertia force, the collision of drop mist forms liquid film on waveform plate, it is more remarkable that dust removel fiber makes liquid film adhere to droplet effect, fog moves forward to air-flow that turning is separated gets off, and is got rid of by discharge outlet.Clean thermophilic is distinguished and admirable via muffler, is discharged by air outlet.
So far, the pollution of hot working face is distinguished and admirable catches the distinguished and admirable cooler of dirt via single to become clean thermophilic after filtration distinguished and admirable.
The wet type atomizing de-dusting apparatus of catching in the distinguished and admirable cooling device of dirt is arranged arranges spray pipe more, nozzle solid is installed, what select is the few good solid cone nozzle of atomizing effect of water consumption, atomizing angle reaches 60-70 degree, the efficient depositing dust water smoke nappe covering whole blower fan inwall can be formed during blower fan work, simultaneously the quantitative dustfall agent that adds of automatic adding device, greatly strengthen the dust-laying effect of fog screen.
In sum, the present invention, relative to prior art, has following beneficial effect:
1, fountain air cooling integral structure form is adopted, its whole apparatus structure is compact, volume is little, lightweight, carry out catching dirt work in cooling simultaneously, solve the technical problem of the installing space deficiency existing for air cooling device also will installing single structure form in prior art after dust trapping device in addition preferably.
2, the present invention will catch dirt and cooling and organically combines and carry out the comprehensive regulation, first dedusting, and the distinguished and admirable administration idea of getting working face of rear cooling, improves the functional of equipment effectively;
3, adopt single power system to carry out catching dirt and distinguished and admirable cooling work, can power consumption be saved, embody its Technical Economy.
After measured, wet type provided by the invention catches the distinguished and admirable cooling device of dirt, and maximum process air quantity can reach 800m
3/ more than min, meanwhile, efficiency of dust collection has exceeded 95%, airflow temperature on average can reduce 10-15 DEG C, be a kind of Wind Volume efficiently catch the distinguished and admirable cooling device of dirt, effectively reduce dust concentration and the environment temperature of mine working face, ensured the working environment that mine safety is comfortable.
Accompanying drawing explanation
Fig. 1 is installation site of the present invention schematic diagram;
Fig. 2 is cross-sectional view of the present invention;
Fig. 3 is sprayer unit structural representation;
Fig. 4 is deflection plate demister perspective view;
Fig. 5 is the main TV structure schematic diagram of deflection plate demister.
Description of reference numerals: 1-digger; 2-air intake cylinder; 3-suction tube; 4-catches the distinguished and admirable cooler of dirt; 5-storage tank; 6-water filter; 7-tubing pump; 8-dustfall agent automatic adding device; 9-nozzle support pipe; 10-high-pressure atomization nozzle; 11-eddy flow centrifugal dust collection device; 12-blade; 13-dash screen cloth; 14-motor; 15-dust removal and filtration net arrangement; 16-air-cooled type heat exchanger; The defeated cold pipeline of 17-; 18-deflection plate demister; 19-drain pipe port; 20-muffler; The import of 60-nozzle support pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figures 1 to 5, a kind of wet type of the present invention catches the distinguished and admirable cooling device of dirt, be arranged on the rear position of meeting head on of getting working face digger 1, be connected with the port of export of dirty wind suction tube 3, it is characterized in that, comprise spray dust remover 10, eddy flow centrifugal dust collection device 11, Air Filter filter 15, air-cooled type heat exchanger 16, deflection plate demister 18 that case and casing interior are linked in sequence; Wherein,
Inlet tube 9 one end of above-mentioned spray dust remover 10 is connected with fog remover induction system, and the spiral nozzle stay pipe 9 that the other end and is similar to spring helical structure is connected;
Said nozzle stay pipe 9 is evenly provided with the high-pressure atomization nozzle of some quantity, the Way out of each high-pressure atomization nozzle is different, when each high-pressure atomization nozzle is sprayed simultaneously, overall in diffuse reflection state;
Above-mentioned fog remover induction system comprises the entrance point of storage tank 5, water filter 6, fog remover adding apparatus and the tubing pump 7 connected in turn; Above-mentioned storage tank is connected with tap water supply pipe, and the port of export of above-mentioned tubing pump 7 is connected with above-mentioned inlet tube 9;
The power shaft of above-mentioned eddy flow centrifugal dust collection device 11 is connected with motor 14, its output shaft is provided with swirl vane 12;
Above-mentioned swirl vane 12 totally three groups, is followed successively by first order swirl vane, second level swirl vane and third level swirl vane from left to right; Outer casing inner wall between every adjacent two-stage swirl vane is provided with the dash screen cloth 13 of annular;
Above-mentioned Air Filter filter 15 is arranged on above-mentioned encloser inner wall;
Above-mentioned air-cooled type heat exchanger 16 is plate type heat exchanger, and its cooling water inlet pipe is connected with the defeated cold pipeline of the refrigeration machine outside device;
Above-mentioned refrigeration unit provides spray the cool brine of-8 degrees Celsius for above-mentioned air-cooled type heat exchanger, and supply above-mentioned air-cooled type heat exchanger to cool to the hot blast entered wherein, the hot water after heat exchange is arranged outward;
Above-mentioned deflection plate demister comprises the some baffle plate stacked layer by layer, the surrounding of above-mentioned baffle plate respectively with above-mentioned encloser inner wall close contact;
The rear position place of above-mentioned deflection plate demister is provided with silencer 20, and above-mentioned silencer 20 is connected with the outlet of above-mentioned case end;
The case wall of eddy flow centrifugal dust collection device and deflection plate demister below separately is also respectively arranged with drain pipe port 19.
As shown in Figure 4, Figure 5, the spacing between above-mentioned deflection plate and baffle plate is 30-40mm, and the angle of baffle plate is 90 degree.。
Above-mentioned high-pressure atomization nozzle is preferably solid conical nozzle, and its atomizing angle is 60-70 degree.
The number of turns that the spiral nozzle stay pipe 9 being similar to spring helical structure is gone up in the horizontal direction is preferably 2-4 circle, often circle includes 5-8 high-pressure atomization nozzle respectively.
Above-mentioned deflection plate material is preferably stainless steel.
It should be noted that, as shown in Figure 1, fresh distinguished and admirable required for getting working face have extraneous continue to supplement through air duct 2 be transported to driving face.
Claims (5)
1. a wet type catches the distinguished and admirable cooling device of dirt, be arranged on the rear position of meeting head on of getting working face digger, be connected with the port of export of dirty wind suction tube, it is characterized in that, comprise spray dust remover, eddy flow centrifugal dust collection device, Air Filter filter, air-cooled type heat exchanger, deflection plate demister that case and casing interior are linked in sequence; Wherein,
Inlet tube one end of described spray dust remover is connected with fog remover induction system, and the spiral nozzle stay pipe that the other end and is similar to spring helical structure is connected;
Described nozzle support pipe is evenly provided with the high-pressure atomization nozzle of some quantity, the Way out of each high-pressure atomization nozzle is different, when each high-pressure atomization nozzle is sprayed simultaneously, overall in diffuse reflection state;
Described fog remover induction system comprises the entrance point of storage tank, water filter, fog remover adding apparatus and the tubing pump connected in turn; Described storage tank is connected with tap water supply pipe, and the port of export of described tubing pump is connected with described inlet tube;
The power shaft of described eddy flow centrifugal dust collection device is connected with motor, and its output shaft is provided with swirl vane;
Described swirl vane totally three groups, is followed successively by first order swirl vane, second level swirl vane and third level swirl vane from left to right; Outer casing inner wall between every adjacent two-stage swirl vane is provided with the dash screen cloth of annular;
Described Air Filter filter is arranged on described encloser inner wall;
Described air-cooled type heat exchanger is plate type heat exchanger, and its cooling water inlet pipe is connected with the defeated cold pipeline of the refrigeration machine outside device;
Described refrigeration unit provides spray the cool brine of-8 degrees Celsius for described air-cooled type heat exchanger, and supply described air-cooled type heat exchanger to cool to the hot blast entered wherein, the hot water after heat exchange is arranged outward;
Described deflection plate demister comprises the some baffle plate stacked layer by layer, the surrounding of described deflection plate respectively with described encloser inner wall close contact;
The rear position place of described deflection plate demister is provided with silencer, and described silencer is connected with the outlet of described case end;
Described eddy flow centrifugal dust collection device and deflection plate demister separately below case wall on be also respectively arranged with drain pipe port.
2. wet type according to claim 1 catches the distinguished and admirable cooling device of dirt, it is characterized in that, the spacing between adjacent two pieces of baffle plate is 30-40mm;
The angle of described baffle plate is 90 degree.
3. wet type according to claim 1 catches the distinguished and admirable cooling device of dirt, it is characterized in that, described high-pressure atomization nozzle is solid conical nozzle, and its atomizing angle is 60-70 degree.
4. wet type according to claim 1 catches the distinguished and admirable cooling device of dirt, it is characterized in that, described in be similar to spring helical structure the number of turns that goes up in the horizontal direction of spiral nozzle stay pipe be 2-4 circle, often circle includes 5-8 high-pressure atomization nozzle respectively.
5. catch the distinguished and admirable cooling device of dirt according to the arbitrary described wet type of claim 1-4, it is characterized in that, described deflection plate material is stainless steel.
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| CN201410634792.8A CN104474819B (en) | 2014-11-12 | 2014-11-12 | A kind of wet type catches the distinguished and admirable cooling device of dirt |
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| CN104474819B true CN104474819B (en) | 2015-11-11 |
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| CN106677777B (en) * | 2016-12-01 | 2019-03-12 | 山东科技大学 | A kind of Wet-type dust-removal fan for coalcutter |
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