CN201045297Y - Continuous miner gas loaded nebulization dust removing system - Google Patents
Continuous miner gas loaded nebulization dust removing system Download PDFInfo
- Publication number
- CN201045297Y CN201045297Y CNU2006201754219U CN200620175421U CN201045297Y CN 201045297 Y CN201045297 Y CN 201045297Y CN U2006201754219 U CNU2006201754219 U CN U2006201754219U CN 200620175421 U CN200620175421 U CN 200620175421U CN 201045297 Y CN201045297 Y CN 201045297Y
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- Prior art keywords
- spray
- continuous miner
- dust
- suppression system
- gas
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- 239000000428 dust Substances 0.000 title claims abstract description 85
- 238000002663 nebulization Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims description 72
- 230000001629 suppression Effects 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 20
- 239000002817 coal dust Substances 0.000 abstract description 13
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 11
- 238000000889 atomisation Methods 0.000 description 6
- 238000005453 pelletization Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 208000010123 anthracosis Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
An airborne atomizing and dedusting system for a continuous miner comprises an atomizing nozzle, a water supply device connected with the atomizing nozzle, at least one dust absorbing air channel arranged close to the atomizing nozzle, a fan arranged at the end of the dust absorbing air channel and an air compressing device arranged at the atomizing nozzle and communicated with the water supply device. The airborne atomizing and dedusting system for the continuous miner is excellent in dedusting effect, high in reliability and has the effect of effectively decreasing coal dust in the air of operating places.
Description
Technical field
The utility model relates to a kind of continuous miner dust pelletizing system, and especially a kind of continuous miner gas carries the spray for dust suppression system.
Background technology
At present, the mine laneway excavation operation adopts continuous miner to finish in a large number in coal industry, to realize the high-yield and high-efficiency of coal mining enterprise.
Continuous miner is in the process of driving, because broken rib can produce a large amount of coal dusts, these coal dusts not only cause great harm to underground labour's healthy meeting, might cause occupational diseases such as anthracosis, and a large amount of coal dusts also can bring the hidden danger of coal-dust explosion.
In addition, owing to be flooded with coal dust in the working environment of down-hole, must also can influence operating personnel's sight line, and then influence operating efficiency.Therefore the dedusting work of continuous miner in tunneling process just seems extremely important.
At present, the spray for dust suppression system that carries of continuous miner can be divided into four parts:
1. the spraying system (containing supply channel) of continuous miner cutting arm and rake pawl slicer-loader;
2. extend to the dust absorbing air passage (containing atomization mechanism and net formula demister the air channel) at middle part, a fuselage left side from the continuous miner cutting arm always;
3. the blower fan that links to each other with middle part, continuous miner left side dust absorbing air passage of left back of fuselage;
4. hydraulically powered slush pump, the coal slime slurry that is used for demister is produced transfers out.
This system works principle is as follows:
During the continuous miner coal cutting,, make nozzle ejection water smoke by the nozzle water supply at supply channel atomization mechanism three places in continuous miner cutting arm atomization mechanism, rake pawl are coaling frame atomization mechanism and dedusting air channel.The coaling water smoke of the nozzle ejection on the frame of cutting arm and rake pawl is inhaled into dust absorbing air passage.The coal slime slurry that produces in dust absorbing air passage is carried in the continuous miner coal stream by hydraulically powered slush pump.
Analyze existing spraying system, when High-Pressure Water passed through fine nozzle, current were realized the current pulverizing under the high speed debunching action, thereby reach atomizing effect.
But the restriction that this atomization method is subjected to factors such as hydraulic pressure, water quality, nozzle is bigger, and nozzle is easily stifled.The weak point of this dust pelletizing system is the water smoke of nozzle ejection, and its atomizing effect is bad, and to the having relatively high expectations of hydraulic pressure, water quality, nozzle, system reliability is poor.It mainly shows as when the dust pelletizing system operate as normal, the atomizing effect (leading indicator of atomizing effect is the size of droplet) of spraying is not fine, the water smoke droplet of ejection is bigger, because the size of water fog particle can not directly be measured, mainly be to come the indirect verification atomizing effect by detecting dust removing effects, the full dust concentration of operation place coal dust (the coal dust summation of all variable grain sizes accounts for the weight ratio of unit volume air) is generally at 70mg/m
3More than, the requirement of stipulating with industry standard greatly differs from each other.In this system works owing to the reason work of aspects such as hydraulic pressure, water quality or nozzle when undesired, operation place coal dust concentration even up to 200mg/m
3More than, operating environment is very abominable.
Analysis-by-synthesis, the in-problem key of this dust pelletizing system is that the atomizing effect of spraying system is bad.For improving dust removing effects, strengthen the reliability of system, reduce the coal dust in operation place, be necessary to design a kind of new spraying system, to overcome above-mentioned defective.
The utility model content
Main purpose of the present utility model is to be to provide a kind of to carry the spray for dust suppression system to good, the reliable and stable continuous miner gas of atomizing effect, thereby effectively reduces the coal dust concentration in continuous miner operation place.
To achieve these goals, to carry the spray for dust suppression system be like this design to continuous miner gas of the present utility model:
A kind of continuous miner gas carries the spray for dust suppression system, and it comprises spray nozzle, the water supply installation that links to each other with spray nozzle, at least one is located near the described spray nozzle dust absorbing air passage, is arranged at the blower fan of this dust absorbing air passage end and the air compression plant that communicates with described water supply installation at the spray nozzle place.
As preferred implementation, this dust pelletizing system comprises that also to be arranged on described dust absorbing air passage terminal and be positioned at demister before the described blower fan.
As preferred implementation, described water supply installation comprises the feed pipe that links to each other with described spray nozzle and the water filter of this feed pipe front end is set.
As preferred implementation, described spray nozzle is located at the inside of the opening part or the described dust absorbing air passage of described dust absorbing air passage.
As preferred implementation, described air compressor is explosion-proof air compressor.
As preferred implementation, described spray nozzle is a pair of, and positioned opposite to each other; Described spray nozzle is three, and the distance between these three spray nozzles equates.
As preferred implementation, described dust absorbing air passage is a pair of and is separately positioned on the left and right sides that continuous miner gas carries the spray for dust suppression system; Described dust absorbing air passage is three, and these three dust absorbing air passages are separately positioned on upper surface and the and arranged on left and right sides that continuous miner gas carries the spray for dust suppression system.
Continuous miner gas of the present utility model carries that the spray for dust suppression system dust removing is effective, reliability is high, and has the effect that effectively reduces contained coal dust in the air of workplace.
Description of drawings
Below, will be described in more detail the specific embodiment of the present utility model in conjunction with the accompanying drawings, wherein:
Fig. 1 is that continuous miner gas of the present utility model carries the structural representation of spray for dust suppression system.
The specific embodiment
For convenience of description, among the following embodiment, components identical is represented with identical Reference numeral.
As shown in Figure 1, continuous miner gas of the present utility model carries that spray for dust suppression system 1 comprises spray nozzle 10, the water supply installation that links to each other with spray nozzle 10, at least one is located near the described spray nozzle dust absorbing air passage 12, is arranged on the blower fan 16 of described dust absorbing air passage 12 ends and the air compression plant that communicates with described water supply installation at spray nozzle 10 places.Described water supply installation comprises feed pipe 110 and the water filter 112 of these feed pipe 110 front ends is set; Described air compression plant comprises air supply pipe 182 and is arranged on the air compressor 180 of these air supply pipe 182 front ends.Described feed pipe 110 is connected by described spray nozzle 10 with described air supply pipe 182.
Because it is the reasonable method of a kind of atomizing effect that gas carries atomizing, this method is on the close supply channel of nozzle, connect compression gas pipe, to spray from nozzle jointly after Compressed Gas and the current mixing, rely on Compressed Gas current can be smashed more completely, thereby reach better atomizing effect in the hurried expansion of nozzle exit.
Therefore, at the continuous miner driving face described air compressor 180 is installed, this air compressor 180 links to each other with described air supply pipe 182, and supplies with compressed air by this air supply pipe 182 to continuous miner.The feed pipe 110 of on one's body each spray nozzle 10 of air supply pipe 182 and continuous miner (spray nozzle 10 on the continuous miner cutting arm, rake pawl coaling spray nozzle 10 on the frame and the spray nozzle 10 in the dedusting air channel) is connected to described spray nozzle 10 jointly.When the continuous miner operate as normal, the feed pipe of opening simultaneously 110 and the air-supplying valve of air supply pipe 182 are so that provide water and AIR MIXTURES to each spray nozzle 10, so that reach good atomizing effect.Preferably, described spray nozzle 10 is a pair of, and positioned opposite to each other or spray nozzle 10 is three, and the distance between these three spray nozzles 10 equates.
In addition, can and before described blower fan 16, demister 14 be set at described dust absorbing air passage 12 ends in order to reach better dust removing effects, when the air that contains coal dust during through described dust absorbing air passage 12, atomization mechanism in this dust absorbing air passage 12 at first carries out dedusting to coal dust, and then the described demister 14 of process filters out dust-laden water smoke, further improved dust removing effects, taken off the mist air at last and be discharged to the continuous miner rear by blower fan.The coal slime slurry that produces in the dust absorbing air passage demister is transported in the continuous miner coal stream by hydraulically powered slush pump.
It will be understood by those skilled in the art that described dust absorbing air passage 12 can be for a pair of and be separately positioned on the left and right sides that continuous miner gas carries the spray for dust suppression system.Described dust absorbing air passage 12 can be three, and these three dust absorbing air passages 12 are separately positioned on upper surface and the and arranged on left and right sides that continuous miner gas carries the spray for dust suppression system.Described dust absorbing air passage 12 can also be four, and these four dust absorbing air passages are separately positioned on upper surface, and arranged on left and right sides and the rear side surface that continuous miner gas carries the spray for dust suppression system.
Continuous miner gas of the present utility model carries spray for dust suppression system 1 in use will note following problem:
1, mine anti-explosion air compressor 180 is installed in the suitable place that connects the work of adopting in the down-hole, and the capacity of this air compressor 180 is not generally done specific (special) requirements.
2, the compressed air delivery that air compressor is produced with air supply pipe 182 is to continuous miner bridge operation platform place, and a valve is set on operating desk controls.
3, the other end at described valve divides three tunnel (also available three valves are controlled three gas circuits respectively), and air supply pipe 182 is connected respectively to the cutting arm of continuous miner, the spray nozzle 10 in rake pawl slicer-loader and the dedusting air channel, to realize that gas carries spraying.Air supply pipe 182 should be hidden under the continuous miner cover plate, it is smashed when preventing the back inbreak.
4, when the continuous miner operate as normal, when opening spray for dust suppression system water supply valve, open air-supplying valve, supply with compressed air to continuous miner spray for dust suppression system, thereby realize that continuous miner gas carries spray for dust suppression.
Compare with original continuous miner spray for dust suppression system, the advantage that continuous miner gas of the present utility model carries spray for dust suppression system 1 is:
1, atomizing effect is good, the efficiency of dust collection height.Compare with original continuous miner spray for dust suppression system, the full dust concentration of coal dust descends significantly, and the operating personnel is reflected well, by test, tentatively obtains following data (seeing the following form):
2, hydraulic pressure is required to get final product more than the low 0.2Mpa.If not aerating is carried, then hydraulic pressure requires to reach more than the 4.5Mpa.
3, low to the nozzle requirement, as long as can spray air-water mixture.
4, reliable and stable.Not having original nozzle, easily to block what spray not water outlet or ejection be the situation that current do not have atomizing effect.
By above explanation as can be known, continuous miner gas of the present utility model carries spray for dust suppression system 1 can effectively be improved continuous miner operation place and get dust removing effects, and has strengthened the reliability of dust pelletizing system, reduces the coal dust in operation place.
Claims (10)
1. a continuous miner gas carries the spray for dust suppression system, it is characterized in that: it comprises at least one spray nozzle, the water supply installation that links to each other with spray nozzle, at least one is located near the described spray nozzle dust absorbing air passage, is arranged at the blower fan of this dust absorbing air passage end and the air compression plant that communicates with described water supply installation at the spray nozzle place.
2. continuous miner gas according to claim 1 carries the spray for dust suppression system, it is characterized in that: also comprise being arranged on described dust absorbing air passage end and being positioned at described blower fan demister before.
3. continuous miner gas according to claim 1 carries the spray for dust suppression system, it is characterized in that: described water supply installation comprises the feed pipe that links to each other with described spray nozzle and the water filter of this feed pipe front end is set.
4. continuous miner gas according to claim 1 carries the spray for dust suppression system, it is characterized in that: described spray nozzle is located at the opening part of described dust absorbing air passage.
5. continuous miner gas according to claim 1 carries the spray for dust suppression system, it is characterized in that: described spray nozzle is located at the inside of described dust absorbing air passage.
6. carry the spray for dust suppression system according to claim 4 or 5 described continuous miner gas, it is characterized in that: described spray nozzle is a pair of, and positioned opposite to each other.
7. carry the spray for dust suppression system according to claim 4 or 5 described continuous miner gas, it is characterized in that: described spray nozzle is three, and the distance between these three spray nozzles equates.
8. carry the spray for dust suppression system according to claim 4 or 5 described continuous miner gas, it is characterized in that: described dust absorbing air passage is three, and these three dust absorbing air passages are separately positioned on upper surface and the and arranged on left and right sides that continuous miner gas carries the spray for dust suppression system.
9. continuous miner gas according to claim 6 carries the spray for dust suppression system, it is characterized in that: described dust absorbing air passage is a pair of and is separately positioned on the left and right sides that continuous miner gas carries the spray for dust suppression system.
10. continuous miner gas according to claim 7 carries the spray for dust suppression system, it is characterized in that: described dust absorbing air passage is a pair of and is separately positioned on the left and right sides that continuous miner gas carries the spray for dust suppression system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201754219U CN201045297Y (en) | 2006-12-31 | 2006-12-31 | Continuous miner gas loaded nebulization dust removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201754219U CN201045297Y (en) | 2006-12-31 | 2006-12-31 | Continuous miner gas loaded nebulization dust removing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201045297Y true CN201045297Y (en) | 2008-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201754219U Expired - Lifetime CN201045297Y (en) | 2006-12-31 | 2006-12-31 | Continuous miner gas loaded nebulization dust removing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201045297Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132006A (en) * | 2008-09-23 | 2011-07-20 | 钴碳化钨硬质合金公司 | Core breaker with dust suppression system |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| CN102852544A (en) * | 2012-09-28 | 2013-01-02 | 淮北矿业股份有限公司桃园煤矿 | Comprehensive dustproof technology of fully mechanized excavation face based on dust segregation |
| CN103470259A (en) * | 2013-07-28 | 2013-12-25 | 陈业武 | Module-combined plate-type tracking water-spray dust collector for coal cutter in underground mine |
| CN105626134A (en) * | 2016-03-04 | 2016-06-01 | 山东科技大学 | Local area closed dust prevention and control method for fully mechanized coal mining working faces |
| CN108590735A (en) * | 2018-03-16 | 2018-09-28 | 安徽理工大学 | A kind of three-level dust removal system and its implementation based on PLC |
| CN109653746A (en) * | 2018-12-26 | 2019-04-19 | 辽宁工程技术大学 | A kind of multilayer veil dust control device applied in driving face |
| CN111042854A (en) * | 2019-12-25 | 2020-04-21 | 秦皇岛首创思泰意达环保科技有限公司 | Underground dust suppression device for coal mine |
-
2006
- 2006-12-31 CN CNU2006201754219U patent/CN201045297Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132006A (en) * | 2008-09-23 | 2011-07-20 | 钴碳化钨硬质合金公司 | Core breaker with dust suppression system |
| CN102182458A (en) * | 2011-04-14 | 2011-09-14 | 淮北矿业股份有限公司 | Induced draft water curtain dust removing device for intercepted coal mining machine |
| CN102852544A (en) * | 2012-09-28 | 2013-01-02 | 淮北矿业股份有限公司桃园煤矿 | Comprehensive dustproof technology of fully mechanized excavation face based on dust segregation |
| CN103470259A (en) * | 2013-07-28 | 2013-12-25 | 陈业武 | Module-combined plate-type tracking water-spray dust collector for coal cutter in underground mine |
| CN105626134A (en) * | 2016-03-04 | 2016-06-01 | 山东科技大学 | Local area closed dust prevention and control method for fully mechanized coal mining working faces |
| CN105626134B (en) * | 2016-03-04 | 2018-06-05 | 山东科技大学 | A kind of closed dust prevention and control method of regional area for fully-mechanized mining working |
| CN108590735A (en) * | 2018-03-16 | 2018-09-28 | 安徽理工大学 | A kind of three-level dust removal system and its implementation based on PLC |
| CN109653746A (en) * | 2018-12-26 | 2019-04-19 | 辽宁工程技术大学 | A kind of multilayer veil dust control device applied in driving face |
| CN111042854A (en) * | 2019-12-25 | 2020-04-21 | 秦皇岛首创思泰意达环保科技有限公司 | Underground dust suppression device for coal mine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080409 |
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| EXPY | Termination of patent right or utility model |