CN2097903U - Automatic smoke-cancel duster for mine - Google Patents
Automatic smoke-cancel duster for mine Download PDFInfo
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- CN2097903U CN2097903U CN 91214589 CN91214589U CN2097903U CN 2097903 U CN2097903 U CN 2097903U CN 91214589 CN91214589 CN 91214589 CN 91214589 U CN91214589 U CN 91214589U CN 2097903 U CN2097903 U CN 2097903U
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Abstract
The utility model relates to an automatic spraying apparatus used for removing smoke and dust after a mine blasting, comprising an automatic control system and a spraying system. The control system utilizes blast wave for mining and driving to impact a wave plate, a wind and water linked switch is driven to obtain the aim of spraying automatically. The spraying system utilizes a hammer drill to mix and atomize compressed air and pressure water to eject spray flow having different distances and directions toward a dust zone, the furthest spraying range is more than 20 m, and the diameter of parallel spray columns is about 10 m. Via testing, dustproof rate reaches to 98 %. After five to eight minutes, the concentration of dust on a working face can be decreased below 1 mg/m+[3] which is below state-specified standard. The utility model has simple structure, low cost, convenient operation and high safety.
Description
The utility model belongs to mine dust protection equipment, is a kind of smoke abatement and dust control machinery of auto spraying when being specially adapted to mine mining face under mine blast working.
Coal mine excavation work plane blast working is the concentrated link that produces high concentrate dust and toxic and harmful, and is very big to miner's health hazard.Use at present such as methods such as water stemming material bag depositing dusts, equal program complexity, dust-laying effect is always undesirable.Chinese patent application CN2046545U discloses a kind of geomantic omen integrated dust-removing device, and it sprays solid spray to the dirt district after utilizing and pressing wind and press water to be mixed into the geomantic omen mixture in the hybrid chamber of geomantic omen.But this dust settler spray diameter is little, and fogging degree is poor, and dustproof effect is not good enough; Particularly this dust settler does not have automaton, and range of application is very limited, and can not in time eliminate high concentrate dust and toxic and harmful after blowing out near getting working face when blowing out, and causes operating personnel to be difficult to effectively avoid toxic dust harm.Disclose the control device of the mining auto spraying of a kind of explosion-proof type in Chinese patent application CN85204544U, the sound wave when it utilizes explosion reaches the purpose of auto spraying through the acoustical-electrical transducer automatic control system.But weak point is that structure is too complicated, adopts electronic component many, costs an arm and a leg, and is unfavorable for popularizing; Owing to be to lean on electricity in the down-hole, need the configuration blasting protection facilities as power source; This device is settled and is reached 70 meters apart from work plane, with 60 meters in shower nozzle, certainly will install special geomantic omen pipe apart, and this has not only strengthened the depositing dust expense, installs and uses also very inconvenient.
Given this, the purpose of this utility model provides a kind of mine smoke abatement device, and it not only can be controlled automatically, and simple in structure, compact, and the efficiency of seizing dust height uses also convenient, safety.
The geomantic omen atomization chamber that the utlity model has water inlet pipe, blast pipe and communicate with water inlet pipe and blast pipe, the geomantic omen atomization chamber communicates with the water smoke nozzle again, its main feature is to be provided with the wind power ganged switch that can play switching function to the pipeline of water inlet pipe and blast pipe simultaneously on water inlet pipe and blast pipe pipeline, this wind power ganged switch links through a connecting rod and ripple dish, described water smoke nozzle is at least one, and the number of described geomantic omen atomization chamber can adapt with water smoke nozzle number.When ripple dish in vertical state the time, wind power ganged switch is in closed condition, the strong shock wave that produces when blowing out is knocked down the ripple dish, kinematic link rotates with the ripple dish, connecting rod drives wind power ganged switch, make wind power ganged switch be opening, this moment, water inlet pipe and blast pipe were open-minded simultaneously, press water that is connected with water inlet pipe and blast pipe and compressed air are respectively through water inlet pipe, blast pipe enters the rapid mixed aerosol of geomantic omen atomization chamber, spray at a high speed from the water smoke nozzle then, form the powerful solid spray stream of one high pressure at least, catch airborne dust in work plane district and toxic and harmful, reach i.e. control automatically, efficiently smoke is caught the purpose of dirt again.
Above-mentioned wind power ganged switch adopts the cock-type structure, it is flexible to have switch motion, reliably with durable advantage, it comprises having the into housing in water duct and air intake duct specifically, housing is built-in with the cock axle that can join with the inner walls cunning, on the cock axle be positioned at have on the position corresponding with water inlet duct and air intake duct its aperture can with the water inlet duct, the faucet hole that aperture, air intake duct is complementary, the above-mentioned connecting rod that joins with the ripple dish is connected on the cock axle, the cock axle rotates with connecting rod, thereby make into water duct, the air intake duct is closed or conducting, be provided with the governor motion of energy regulating cock axle flexibility ratio at the two ends of cock axle, this governor motion is made up of compression spring that places cock axle two ends and the adjusting nut that is connected to the compression the regulated spring tension on the housing; Above-mentioned water inlet pipe is connected with the water inlet duct of housing, and above-mentioned blast pipe is connected with the air intake duct of housing.
The utility model is provided with three water smoke nozzles and corresponding with the water smoke nozzle respectively three geomantic omen atomization chamber that communicate, be provided with a compress wind nozzle that joins with blast pipe that the accelerating chamber that communicates and three had not only communicated with accelerating chamber but also communicate with geomantic omen atomization chamber separately respectively between above-mentioned blast pipe and three the geomantic omen atomization chamber, accelerating chamber can play the compressed air shunting action, and the compress wind nozzle can strengthen compressed-air actuated pressure and flow velocity; Be provided with the press water nozzle that joins with water inlet pipe that the isocon that communicates and three not only be connected with isocon but also communicate with geomantic omen atomization chamber separately respectively between above-mentioned water inlet pipe and three the geomantic omen atomization chamber, the pressure and the flow velocity that energy intensified pressure water is set of press water nozzle, press water nozzle and compress wind nozzle can be put forward high-pressure blast, the press water mixed aerosol degree in atomization chamber jointly, and obviously improve the range of water smoke nozzle.
Three above-mentioned compress wind nozzles, three press water nozzles and isocon all place in the accelerating chamber, make the utility model more firm, compact; Above-mentioned three press water nozzles are placed in respectively in the corresponding compress wind nozzle, press water nozzle outer wall is provided with several convex fulcrums, make between press water nozzle outer wall and compress wind nozzle inwall and remained certain interval, this structure makes press water nozzle and compress wind nozzle concentric with geomantic omen atomization chamber (with the water smoke nozzle), thereby the fogging degree that adds strong wind, water improves the water smoke range; Be connected with the burnerpiston that fixing compress wind nozzle is used on above-mentioned accelerating chamber inwall, the front end outer wall of three compress wind nozzles is fixed on the antetheca of accelerating chamber, and this fixing means makes this grit arrestor sturdy and durable again.
Three above-mentioned water smoke nozzles adopt pyramidal structure, can reduce the bump damage effect of ore to nozzle, above-mentioned three water smoke nozzles are fixed in respectively on the position corresponding with compress wind nozzle and press water nozzle of accelerating chamber antetheca, described three geomantic omen atomization chamber are located at respectively in three water smoke nozzles, it is conical that atomization chamber is, the taper dead ahead is water smoke nozzle hole, this structure makes press water nozzle, compress wind nozzle, atomization chamber and water smoke nozzle all on a concentric line, strong wind, water atomization degree can be added, and the water smoke range can be improved; In above-mentioned three water smoke nozzles, water smoke nozzle in the middle of being positioned at is that main jet is chewed, all the other two is secondary nozzle, the length that main jet is chewed is greater than the length of secondary nozzle, two secondary nozzles have certain inclination angle laterally, and all have 3-7 spray orifice on the outside portion of two secondary nozzles, this water smoke nozzle group structure can produce three grades and catch the dirt effect: main jet is chewed and can remote (more than 20 meters) be caught granule dust, and this catches dirt for the first order; Two secondary nozzle ranges are about 15 meters, for catching dirt in the second level; Side spray orifice on the secondary nozzle is mainly caught in preceding two-stage and is caught the dust that swims that the dirt district misses, for the third level catches dirt.Catch the dirt distance for three grades, combination is in length and breadth set up defenses in depth, and forms the isolated water smoke band of together full section, can eliminate the diffusion of blasting fume, dust effectively.
On above-mentioned accelerating chamber rear wall, be connected with the ripple dish gag lever post that can prevent that ripple dish connecting rod from dumping forward; Be connected with hold-down screw in above-mentioned accelerating chamber bottom, the tuning nut is arranged on the hold-down screw, described grit arrestor is furnished with the grit arrestor fixed mount that can be connected by hold-down screw and accelerating chamber bottom, it is mobile that tuning nut on the adjusting hold-down screw can make this grit arrestor turn to easily, thereby change spray direction.
The utility model compared with prior art has following advantage:
1, control automatically.This grit arrestor adopts the wind power ganged switch of cock-type, and be the source that turns on the power of switch with the blasting impact ripple, the rotary power that only shock wave can be transferred to switch by a ripple dish, the automatic control reliable in action of this structure, flexible, timely makes to the utlity model has higher automatic control.
2, efficiency of dust collection height.Grit arrestor mist column diameter arranged side by side can reach more than 10 meters, and main jet is chewed range more than 20 meters, and secondary nozzle range is about 15 meters, add the side spray orifice range on the secondary nozzle, form forward, oblique, horizontal 3 grades and catch dust lane, and the fogging degree height, the water smoke broad covered area has improved dust removing effects greatly.After tested, blew out back 5-8 minute, can be with dust concentration by 1000mg/m
3More than reduce to 1mg/m
3, being lower than country's " rules " standard, dust removing rate reaches more than 98%, can also in time eliminate toxic and harmfuls such as CO, CO2, NO, NO2.
3, simple in structure.Only promptly reach the automatic control purpose with a ripple dish; Volume is little (to be about 395mm * 152mm * 132mm), (net weight is only about 10.5 kilograms) in light weight; Complete machine is made by steel, and adopts conical nozzle, and the particular surroundings in the time of adapting to explosion is born rock and hit, and is sturdy and durable.
4, use is very convenient.This grit arrestor and driving air drill shared geomantic omen system do not need during use to set up any additional facilities, and mounting condition are less demanding, can be installed in arbitrarily the down-hole rock group, metallic support, shed, back timber, take off positions such as rock machine and mine car; This grit arrestor lower end is provided with hold-down screw and tuning nut, by regulating the tuning nut, can arbitrarily adjust body, changes spray direction.
5, compliance is strong, applied range.Except that the smoke abatement and dust control that is used for the underground blasting construction, also can be used to put out the fire such as gas combustion that cause because of blowing out; The mine of coal dust explosion hazard is being arranged, can be used to replace fluid barrier to completely cut off the coal-dust explosion wave propagation, preventing coal seam and gas explosion; Also can be used to wash rock group etc.
6, comprehensive benefit is obvious.Except protection miner health, use after this grit arrestor, can shorten the time that stops operation because of smoke evacuation after blowing out greatly, improve the rate of utilization of work hour.Also can replace existing bubble Fender dust collecting method, every myriametre driving can be economized on the use of funds surplus in the of about 30,000 yuan.
7, safe and reliable.This grit arrestor,, also can use in the high concentration gas place without electrical equipment as power source with blasting impact ripple and air drill pressure wind, can effectively prevent the dust diffusion to greatest extent near the dirt source, is fit to the specific (special) requirements of down-hole, mine to equipment.
Further specify the utility model below in conjunction with drawings and Examples.
Fig. 1 is the utility model front view
Fig. 2 is the utility model top plan view
Fig. 3 is wind power ganged switch and ripple dish structural representation
Fig. 4 is three grades of sprayings of the utility model schematic diagram
The utility model (seeing Fig. 1,2), have blast pipe 1 and water inlet pipe 2, blast pipe 1 front end is welded on the accelerating chamber 3, and communicate with accelerating chamber 3, be welded with burnerpiston 4 on the antetheca in the accelerating chamber 3, be welded with three compress wind nozzles 5,6,7 that communicate with accelerating chamber 3 inner chambers on the fixed head 4, compress wind nozzle 5,6,7 front end outer walls are welded on respectively on accelerating chamber 3 antethecas; Water inlet pipe 2 stretches in the accelerating chamber 3, water inlet pipe 2 front portions are welded with the isocon 8 that communicates with it, be welded with on the isocon 8 three that communicate with it and stretch into press water nozzle 9,10,11 in the compress wind nozzle 5,6,7 respectively, the inwall of compress wind nozzle 5,6,7 all by be welded on the press water nozzle outer wall three fulcrums 12 and and press water nozzle 9,10,11 outer walls that overlap in it between remain the gap of certain distance; Be welded with respectively on the front bulkhead of accelerating chamber 3 that the secondary nozzle 13 of water smoke, water smoke main jet chew 14, the secondary nozzle 15 of water smoke, secondary nozzle 13,15 and main jet are chewed and are respectively equipped with tapered geomantic omen atomization chamber 16,17,18 in 14, main jet is chewed 14 the length length greater than secondary nozzle 13,15, secondary nozzle 13,15 all tilts about 5 ° laterally, respectively have 5 side spray orifices 19 on the outside portion of secondary nozzle 13,15, water smoke nozzle 13,14,15 all keeps concentric with compress wind nozzle that communicates separately and press water nozzle.Blast pipe 1 and water inlet pipe 2 all link by the housing 23 of butterfly attaching nut 20 and short tube 21 and wind power ganged switch 22, be provided with air intake duct 24 in the housing 23 and see Fig. 3) with water inlet duct 25(, housing 23 is built-in with the cock axle 26 that can join with housing inner chamber cunning, the shell 23 and the cock axle 26 of linked switch 22 are formed by two parts symmetrical, have faucet hole 27 being positioned on the position corresponding on the cock axle 26 with air intake duct 24 and water inlet duct 25,28,26 liang of outer ends of cock axle are equipped with compression spring 29,30, the two ends of housing 23 have been threaded to compression spring 29, the adjusting nut 31 of 30 regulating actions, 32,26 liang of antimeric inner ends of cock axle are square block (seeing shown in Figure 2), have the square opening that can be nested and join on kinematic link 33 bottoms with the interior square block of cock axle 26, connecting rod 33 square openings are fixed on the cock axle 26 connecting rod 33 with connecting key 34 after being enclosed within on the square block, and bolt is connected with ripple dish 35 on the kinematic link 33.This grit arrestor is connected with ripple dish gag lever post 36 on accelerating chamber 3 rear ends, gag lever post 36 can prevent that connecting rod 33 from dumping forward; Be connected with hold-down screw 37 in the bottom of accelerating chamber 3, be furnished with butterfly tuning nut 38 on the screw 37; This grit arrestor is furnished with grit arrestor fixed mount 39, and fixed mount 39 connects together with accelerating chamber 3 by hold-down screw 37 and tuning nut 38, can change the grit arrestor spray direction by regulating the tuning nut.
When using the utility model, unload compression airduct and penstocks from air drill, be connected with admitting pipe joint 41 with the blast pipe joint 40 of grit arrestor respectively, joint 40,41 again respectively with linked switch housing 23 in air intake duct 24, water inlet duct 25 be connected.The shock wave that produces when blowing out is knocked down ripple dish 35, kinematic link 33 rotates, cause the faucet hole 27,28 on the cock axle 26 to communicate with air intake duct 24, water inlet duct 25, pressure wind is through blast pipe 1, accelerating chamber 3, gap between compressed again wind nozzle 5,6,7 and the press water nozzle 9,10,11 is injected in the geomantic omen atomization chamber 16,18,17 at a high speed respectively; And press water is through water inlet pipe 2, isocon 8, again through press water nozzle 9,10,11 inject geomantic omen atomization chamber 16 respectively at a high speed, 18, in 17, press water, wind is rapid mixed aerosol in atomization chamber, chew 14 from main jet then, secondary nozzle 13,15 and side spray orifice 19 mesohighs spray at a high speed, form the isolated water smoke band (see figure 4) of together full section, main jet is chewed 14 ranges and is reached more than 20 meters, the remote granule dust (for one-level is caught dirt) of catching, secondary nozzle 13,15 ranges are about 15 meters, the main one-level of catching is caught the free silicon dioxide of missing in the dirt district (for secondary is caught dirt), the water smoke of side spray orifice 19 ejections is mainly caught in preceding two-stage and is caught the dust of missing in the dirt district that swims (be three grades and catch dirt), catch the dirt distance for three grades, combination in length and breadth makes the water smoke broad covered area, has improved efficiency of dust collection widely, after testing, spray after 5-8 minute, blasting fume is eliminated in the tunnel, and dust concentration is reduced to 1mg/m
3And below, be lower than the dust concentration standard that country's " rules " stipulates.
Claims (6)
1, a kind of mine automatic smoke-eliminating grit arrestor, has water inlet pipe (2), blast pipe (1) and the geomantic omen atomization chamber that communicates with water inlet pipe and blast pipe, the geomantic omen atomization chamber communicates with the water smoke nozzle again, it is characterized in that on described water inlet pipe (2) and blast pipe (1) pipeline, being provided with the wind power ganged switch (22) that can play switching function simultaneously to the pipeline of water inlet pipe and blast pipe, this wind power ganged switch (22) links through connecting rod (33) and the ripple dish (35) that can control the linked switch open and-shut mode, described water smoke nozzle is at least one, and the number of described geomantic omen atomization chamber can adapt with the number of water smoke nozzle.
2, grit arrestor according to claim 1, it is characterized in that described wind power ganged switch (22) comprises having the into housing (23) of water duct (25) and air intake duct (24), housing (23) is built-in with the cock axle (26) that can join with the inner walls cunning, cock axle (26) go up be positioned at have on the position corresponding with water inlet duct and air intake duct its aperture can with the duct that intakes, the faucet hole (28 that aperture, air intake duct is complementary, 27), the two ends of cock axle (26) are equipped with compression spring (29,30), the two ends of housing (23) are connected with the adjusting nut (31 that can regulate the compression spring tension, 32), the described connecting rod (33) that joins with ripple dish (35) is connected on the cock axle (26), described water inlet pipe (2) is connected with the water inlet duct (25) of housing (23), and described blast pipe (1) is connected with the air intake duct (24) of housing (23).
3, grit arrestor as claimed in claim 1 or 2, it is characterized in that this grit arrestor is provided with three water smoke nozzles (13,14,15) and corresponding three geomantic omen atomization chamber (16 that communicate with the water smoke nozzle, 18,17), described blast pipe (1) and three geomantic omen atomization chamber (16,18,17) be provided with a compress wind nozzle (5 that joins with blast pipe (1) that the accelerating chamber (3) that communicates and three had not only communicated with accelerating chamber (3) but also communicate with geomantic omen atomization chamber separately respectively between, 6,7), described water inlet pipe (2) and three geomantic omen atomization chamber (16,18,17) be provided with between and water inlet pipe (2) the press water nozzle (9 that the isocon (8) that communicates and three had not only joined and communicated but also communicate with geomantic omen atomization chamber separately respectively with isocon (8) that joins, 10,11).
4, as grit arrestor as described in the claim 3, it is characterized in that described three compress wind nozzles (5,6,7), three press water nozzles (9,10,11) and isocon (8) all place in the accelerating chamber (3), described three press water nozzles (9,10,11) be placed in respectively in the corresponding compress wind nozzle, three press water nozzles (9,10,11) be equipped with on the outer wall inwall that foot makes the compress wind nozzle with and the press water nozzle outer wall that overlaps in it between several fulcrums (12) of maintenance certain interval, on accelerating chamber (3) inwall, be connected with the burnerpiston (4) that fixing compress wind nozzle is used, three compress wind nozzles (5,6,7) front end outer wall all is fixed on the antetheca of accelerating chamber (3).
5, as grit arrestor as described in the claim 4, it is characterized in that described three water smoke nozzles (13,14,15) be the taper nozzle, be fixed in respectively on the position corresponding of accelerating chamber (3) antetheca with compress wind nozzle and press water nozzle, described three geomantic omen atomization chamber (16,18,17) be located at three water smoke nozzles (13 respectively, 14,15) in, at described three water smoke nozzles (13,14,15) in, water smoke nozzle (14) in the middle of being positioned at is chewed for main jet, all the other two is secondary nozzle, main jet is chewed the length of (14) greater than secondary nozzle (13,15) length, two secondary nozzles (13,15) certain inclination angle is arranged laterally, and at two secondary nozzles (13,15) all have 3-7 spray orifice (19) on the outside portion.
6, as grit arrestor as described in the claim 5, it is characterized in that on described accelerating chamber (3) rear wall, being connected with the ripple dish gag lever post (36) that can prevent that ripple dish connecting rod from dumping forward, be connected with hold-down screw (37) in described accelerating chamber (3) bottom, be furnished with tuning nut (38) on the hold-down screw (37), described grit arrestor is furnished with the grit arrestor fixed mount (39) that can be connected with the accelerating chamber bottom by hold-down screw (37) and tuning nut (38) thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214589 CN2097903U (en) | 1991-06-08 | 1991-06-08 | Automatic smoke-cancel duster for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214589 CN2097903U (en) | 1991-06-08 | 1991-06-08 | Automatic smoke-cancel duster for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2097903U true CN2097903U (en) | 1992-03-04 |
Family
ID=4922778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91214589 Withdrawn CN2097903U (en) | 1991-06-08 | 1991-06-08 | Automatic smoke-cancel duster for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2097903U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220735B (en) * | 2007-01-10 | 2011-02-09 | 煤炭科学研究总院重庆分院 | Coal seam wind and spray linked coal core drilling tools and its method for coal core drilling |
| CN102797493A (en) * | 2011-05-25 | 2012-11-28 | 冀中能源峰峰集团有限公司 | Mechanical blasting automatic gas and water sprayer |
| WO2017002006A1 (en) * | 2015-06-29 | 2017-01-05 | Terravent (Pty) Limited | Water spray means and method |
| US10024114B2 (en) | 2016-02-04 | 2018-07-17 | Caterpillar Inc. | Dust suppression method and system for an autonomous drilling machine |
| CN109139087A (en) * | 2018-07-07 | 2019-01-04 | 罗永学 | A kind of blasting coal mining dust isolating device |
-
1991
- 1991-06-08 CN CN 91214589 patent/CN2097903U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220735B (en) * | 2007-01-10 | 2011-02-09 | 煤炭科学研究总院重庆分院 | Coal seam wind and spray linked coal core drilling tools and its method for coal core drilling |
| CN102797493A (en) * | 2011-05-25 | 2012-11-28 | 冀中能源峰峰集团有限公司 | Mechanical blasting automatic gas and water sprayer |
| WO2017002006A1 (en) * | 2015-06-29 | 2017-01-05 | Terravent (Pty) Limited | Water spray means and method |
| US10024114B2 (en) | 2016-02-04 | 2018-07-17 | Caterpillar Inc. | Dust suppression method and system for an autonomous drilling machine |
| CN109139087A (en) * | 2018-07-07 | 2019-01-04 | 罗永学 | A kind of blasting coal mining dust isolating device |
| CN109139087B (en) * | 2018-07-07 | 2020-04-21 | 华东交通大学 | Dust isolating device for blasting coal mining |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |