CN101307691A - Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine - Google Patents
Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine Download PDFInfo
- Publication number
- CN101307691A CN101307691A CNA2008100123133A CN200810012313A CN101307691A CN 101307691 A CN101307691 A CN 101307691A CN A2008100123133 A CNA2008100123133 A CN A2008100123133A CN 200810012313 A CN200810012313 A CN 200810012313A CN 101307691 A CN101307691 A CN 101307691A
- Authority
- CN
- China
- Prior art keywords
- wind
- water
- coal
- fully
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to a wind-water mixing spray technology which can be applied in underground comprehensive mining, comprehensive digging and in places requiring settling dust so as to improve safe production of a coal mine. The invention is characterized in that the technology is realized through the steps as follows: a wind source pipeline which is connected from a ground forcing fan to an extraction working surface with a selectable wind pressure of between 0.5 and 0.7MPa is in parallel connection with a water source pipeline which has certain pressure with a selectable hydraulic pressure of between 3 and 5MPa, and the volume ratio of the mixed wind and water is between 100-135 to 1; the wind source pipeline and the water source pipeline are both connected to nozzles of internal spraying and external spraying of a coal mining machine and a mechanical boring machine, so that wind-water mixing atomized water vapor is sprayed with a flow rate of between 15 and 20M<3>/minute; and the atomized water vapor captures coal dust, and disperses local gas generated during cutting a coal body. The invention aims to solve the problems caused by the local gas which is generated during settling dust and cutting coal and can not be dispersed in time, such as safety threat in production, water resource waste, affected coal quality, slipping belt, slipping goods, bin blockage or other problems.
Description
Technical field:
The invention belongs to wind-water mixing spray technology, be applied in the down-hole and combine the place of adopting, combining pick and needing depositing dust, to improve the safety in production in colliery.
Background technology:
Along with growing, the powerful device in colliery are constantly used, the also corresponding increase of the dust that in mining process, produces, gas, more two projecting mines, depositing dust, to eliminate local gas gathering work particularly important, mining machinery equipment generally adopts the High-Pressure Water atomizing de-dusting at present, promptly arrange some spraying water nozzles at coal-winning machine, development machine, water under high pressure forms certain atomizing effect through the water nozzle ejection, reduces flying away of dust with this.The problem that present this method mainly exists is that water supply volume is bigger, waste water resource, and cause the underground work environment to be affected, the workman is mud all over the body, drive is muddy to can't bear, coal-winning machine, the excessive car phenomenon of fully-mechanized digging machine also appear, and this method affect ature of coal, or cause problems such as belt creep, sliding goods, the influence production of stifled storehouse.For highly gassy mine, contain a large amount of gas in the coal seam, producing local gas during the cut coal transfinites, and this original spray method can not in time disperse local gas, is easy to cause accident.The coal dust that is produced is effective depositing dust sometimes, and harmful, unfavorable to keeping the safety in production, these problems all can not effectively solve, and can bring the consequence that can not envision.
Summary of the invention:
Goal of the invention: the method that the invention provides a kind of silo shearer, fully-mechanized digging machine wind water mixed atomizing, its purpose mainly is to produce local gas when solving depositing dust cut coal in the past can not in time disperse, threaten production safety, also solve waste water resource, easily influence ature of coal, or cause problems such as belt creep, sliding goods, stifled storehouse.
Technical scheme: the present invention is achieved through the following technical solutions:
The method of a kind of silo shearer, fully-mechanized digging machine wind water mixed atomizing, it is characterized in that: the wind regime pipeline that is connected to getting working face from the ground pressure fan, select blast 0.5～2Mpa, in parallel with the water supply line that has certain pressure, select hydraulic pressure 3～5Mpa, the volume ratio that wind mixes with water is: 100～135: 1, and the pipeline that is communicated with the geomantic omen is connected on the nozzle of the internal spraying of coal-winning machine, development machine, external spraying together, and the steam that makes the geomantic omen mixed aerosol is with 15～20M
3/ minute flow jet the local gas that the steam of atomizing is caught coal dust, produced when dispelling the cut coal body.
Be connected to the wind regime pipeline of getting working face from the ground pressure fan, be connected with the portable air compressor of down-hole or gasholder and carry out after the ftercompction in parallelly with the water supply line that has certain pressure again, portable air compressor or gasholder outlet select the scope of blast at 1～1.5Mpa.
On wind regime pipeline and pipeline before water supply line is in parallel, be provided with a unidirectional stop valve, anti-sealing pours in down a chimney in the inlet air source capsule road.
Water supply line is being crossed the water jacket of movable motor and cutting motor and electric control box with geomantic omen mixed flow after the wind regime pipeline is in parallel, and can also satisfy the requirement of its cooling.
Wind regime pipeline on coal-winning machine, fully-mechanized digging machine fuselage and water supply line are respectively equipped with the control valve of regulating the geomantic omen amount, are used to regulate the geomantic omen amount, make it rationally mix the needs that are fit to safety in production.
Advantage and effect: the mode that this method adopts the geomantic omen to mix, make water form the purpose that water smoke reaches depositing dust, this system has formed powerful geomantic omen mixed airflow, the local gas that produces in the time of can dispelling the cut coal body, more effectively catches coal dust, plays water-saving purpose simultaneously.It adopts the winding-up of inside and outside two levels, the method for working simultaneously, increases the effect of depositing dust, and dispels local gas effectively, guarantees the purpose of safety in production.Upgrade and reduce the coal washing cost thereby this method has reduced water supply volume, also solved problems such as belt creep, sliding goods, stifled storehouse.
This method is specific as follows with single advantage of comparing with water spray:
1., dust-laying effect atomizing good, water is abundant, reduced airborne Dust Capacity, helps safety and miner's health.
2., can dispel local gas timely and effectively, the gas accident that ignites when reducing the cutting rib, to highly gassy mine, especially more effective to the bigger work plane of this layer gas emission.
3., reduce nearly 6.467 times of the consumption of water, reduced slide goods, the belt creep accident of transit link, improved operating environment, improved ature of coal, accomplished energy-saving and emission-reduction wound benefit.
4., using wind water mixed atomizing can transport relatively along triangulation point before work plane at fully-mechanized mining working increases work plane to the air quantity of rolling back and rationalizing and refluxing, makes the gas control fireproofing that the rational draft type that more becomes arranged.
5., utilize the geomantic omen to mix punching, beat anchor pole and can effectively move back and cut, raise the efficiency, reduce working site base plate muddy water.
Relatively lack in China's water resource at present, energy-saving and emission-reduction work country pays much attention to, and great safe coal accident is all relevant with gas, in view of this wind water mixed atomizing mode, can energy-saving and emission-reduction, can guarantee safety in production again, therefore have excellent popularization, application prospect.
Four, description of drawings:
Annexation schematic diagram when Fig. 1 is applied in coal-winning machine for the present invention;
Annexation schematic diagram when Fig. 2 is applied in development machine for the present invention.
Five, the specific embodiment:
Below in conjunction with accompanying drawing the present invention is done nearly step explanation:
The present invention upgrades, promotes safety in production in order to reduce the generation probability of coal dust, gas accident better, guarantees worker's physical and mental health, gropes through repeatedly practising, at the Daxing colliery N of iron coal group company
2705, S
5711 and fully mechanized workface tested the wind water mixed atomizing system successfully.
This system has formed powerful geomantic omen mixed airflow, the local gas that produces in the time of can dispelling the cut coal body, more effectively catches the geomantic omen synthetic method of coal dust.
Method of the present invention use comprise the ground pressure fan by pipeline and stop valve J9, J10 to the wind regime 1 of 0.5～2Mpa of getting working face, the water source 2 of 3～5Mpa, as shown in Figure 1, left-hand broken line partly is the setting on the suitable bunching 9 of fortune among the figure, and the right side dotted portion is the setting on the coal-winning machine 10 among the figure.Wind regime 1 and water source 2 by blast strainer 11 and water strainer 12, prevent that foreign material from entering the pipeline blockage spray nozzle respectively.Adjust geomantic omen flow, wind 15～20M by stop valve J1～J8
3/ minute, water 0.15～0.20M
3/ minute, make the used volume ratio in geomantic omen be: 100～135: 1; Two kinds of different nozzles that adopt inside and outside two levels through pipeline in parallel behind stop valve J1～J8 are work principle simultaneously, promptly connect a roll left inner nozzle 3, the right cylinder inner nozzle 4 of coal-winning machine, coal-winning machine left side outer nozzle 5, coal-winning machine right side outer nozzle 6 of coal-winning machine respectively and implement the hold concurrently method of spray of domestic and foreign work face and increase the effect of depositing dust.Can depositing dust for reaching, can effectively reduce the waste of water resource again and dispel the effect of gas, the steam that should keep the geomantic omen mixed aerosol is with 15～20M
3/ minute flow jet.
Because the wind regime pipeline is longer at the circuit of down-hole, blast has certain loss in the line, and also to have certain pressure to keep to nozzle, because if run into the higher place of gas density, need soon it to be dispelled, so keep stable blast most important, therefore in parallel with the water supply line that has certain pressure again after the down-hole adopts portable air compressor or gasholder to carry out ftercompction.The scope that blast is selected in the outlet of portable air compressor or gasholder in the practice was both operated well at 1～1.5Mpa, and effect is obvious again, and safety can guarantee.
Mark 15,16,17 is respectively the water jacket of movable motor cutting motor and electric control box, and the design of this water source flow does not influence the cooling to movable motor cutting motor and electric control box.
This method is easy to water under high pressure is flowed into air feed system in use, for preventing the generation of this situation, on wind regime pipeline and pipeline before water supply line is in parallel, is provided with a unidirectional stop valve 8.
The pipeline that wind regime is connected with the water source before stop valve J1～J8 is provided with draft gauge 13 and water pressure gauge 14, and mark 15 is automatically controlled cooler.
Wind regime pipeline on the coal-winning machine fuselage and water supply line are respectively equipped with the control valve of regulating the geomantic omen amount, are used to regulate the geomantic omen amount, and this point is very important.Less to some gas but mine that dust is very big just can strengthen the trickle amount, reduce air quantity, avoid whole tunnel dust concentration to strengthen; To the higher scope of operation of local gas density, strengthen and distinguished and admirablely it is dispelled as early as possible be the most effective safety precautions, at this moment need to be increased to maximum quantity of wind, make more reasonable that the geomantic omen mixes, meet the needs of safety in production.
As shown in Figure 2, its principle was identical substantially with being applied to coal-winning machine when the present invention was applied to the fully-mechanized digging machine work plane.Wind regime 1 and water source 2 are by filter, portable air compressor or gasholder, unidirectional stop valve 8 and other valve bodies, and the geomantic omen enters inner nozzle and outer nozzle respectively after mixing.
In addition, this device in use should be noted that following some requirement: water source and wind regime that pressure, stability of flow and cleaning 1., at first will be arranged; 2., should blow in behind the first boiling water before the mine coal machine, guarantee behind the atomizing effect haulage shearer again, cut off the water at last but stop behind the coal-winning machine just blowing-out; 3., when wind regime, water source are unstable, adjust the geomantic omen flow at any time, guarantee that the geomantic omen reasonable mixture ratio guarantees the atomizing dust-laying effect, wind is big as far as possible, water is little or atomizing effect coal cutting when good, in order to avoid influence dust-laying effect; 4., nozzle is unimpeded, maintenance crew wants nozzle clearing to forbid to stop up; 5., the geomantic omen pipeline is forbidden to add stop valve between mixed pipeline in geomantic omen and nozzle and is avoided water under high pressure to seal in the wind path must directly entering nozzle after the mixing.
N in the application of reality in addition
2705 fully mechanized coal faces and S
5It is higher that 711 big mining heights all belong to this coal seam gas-bearing capacity, especially S
5The easy fecula dirt of 711 fire bed rock impouring coal body coking, this device is by the experiment in the colliery, Daxing, behind the utilization wind water mixed atomizing, by inner with outside synchronized dust removal, can make dust-laying effect obvious, the distinguished and admirable middle dust of rolling back and rationalizing obviously reduces, and has improved production environment, water supply volume can reduce 6.467 times, i.e. 0.15M
3/ minute, promptly per hour can reduce water supply volume 49.2M
3, and do not influence cooling effect because of the water yield reduces; It has reduced belt creep, sliding goods, stifled storehouse situation and has taken place, and upgrades, and makes the cutting gas that rib produces can be in time by 15～20M
3/ minute geomantic omen mixed aerosol steam dispel, reduced the possibility that produces spark initiation gas because of coal cutting make produce safer, by the fresh distinguished and admirable 15M that reaches of pressure fan
3/ minute about, to the spraying back ejection of work plane geomantic omen, enter work plane and air return way by the ground direct-furnish.The flow that perhaps can also continue to increase this wind reduces the unfavorable factor of fortune along the distinguished and admirable old man of sweeping of triangulation point, transports with the wind that the reduction of flow velocity degree also can reduce kicking up of transfer point dust, and more reasonable work plane is to the draft type of rolling back and rationalizing.
Its effect also may be embodied on the fully-mechanized digging machine work plane, easily causes base plate muddy water big singly with water spray the time, influences on-the-spot standardization, the easily excessive car of fully-mechanized digging machine then reduce discharge in order to control the base plate mire sometimes, but its dust-laying effect is more bad, dust increases, and is all unfavorable to safety and health of human body; And, can reduce water supply volume more than 1/2 by utilizing wind water mixed atomizing method of the present invention, and having changed the base plate mire, the fully-mechanized digging machine car of no longer therefore drowning has improved dust-laying effect, has improved standardization.
This device reduces water supply volume drilling hole and can the row of acceleration when beating anchor pole disappear penetration rate is improved, and especially more can change the operation field environment effectively when pick goes down the hill to beat anchor pole, can reduce water supply volume, the raising dust-laying effect when aboveground each transfer point use down.
This shows that the atomizing good, water of its dust-laying effect of wind water mixed atomizing device of this device is abundant, has reduced airborne Dust Capacity, helps safety and miner's health; Can dispel local gas timely and effectively, the gas accident that ignites when reducing the cutting rib, especially more favourable to highly gassy mine to the bigger work plane of this layer gas emission; Nearly 6.467 times of the consumption of minimizing water, it is 0.15M that water supply volume can reduce to
3/ minute～0.2M
3/ minute, promptly per hour can reduce water supply volume 49.2M
3, annual each work plane can be saved 150,000 M
3Water be roughly equal to 500,000 yuan, effects of energy saving and emission reduction is considerable, does not influence cooling effect because of the water yield reduces.Reduced belt creep, sliding goods, the situation generation of stifled storehouse, influence is produced and annual each work plane of upgrading can be created 5,000,000 yuan of benefits because of reducing.Use wind water mixed atomizing can transport relatively along triangulation point before work plane at fully-mechanized mining working and increase, work plane makes the fireproofing of gas control that the rational draft type that more becomes arranged to the air quantity of rolling back and rationalizing and refluxing; Utilize the geomantic omen to mix punching, beat anchor pole and can effectively move back and cut, raise the efficiency, reduce working site base plate muddy water.
China's water resource relatively lacks, energy-saving and emission-reduction work country pays much attention to, and the also quite attention of great safe coal accident country, and the safe coal accident is most relevant with gas, in view of the advantage of wind water mixed atomizing mode and in addition can be in many-sided Application and Development, so it has excellent popularization, application prospect.
Claims (5)
1, the method for a kind of silo shearer, fully-mechanized digging machine wind water mixed atomizing, it is characterized in that: the wind regime pipeline that is connected to getting working face from the ground pressure fan, select blast 0.5～2Mpa, in parallel with the water supply line that has certain pressure, select hydraulic pressure 3～5Mpa, the volume ratio that wind mixes with water is: 100～135: 1, and the pipeline that is communicated with the geomantic omen is connected on the nozzle of the internal spraying of coal-winning machine, development machine, external spraying together, and the steam that makes the geomantic omen mixed aerosol is with 15～20M
3/ minute flow jet the local gas that the steam of atomizing is caught coal dust, produced when dispelling the cut coal body.
2, the method for silo shearer according to claim 1, fully-mechanized digging machine wind water mixed atomizing, it is characterized in that: the wind regime pipeline that is connected to getting working face from the ground pressure fan, be connected with the portable air compressor of down-hole or gasholder and carry out after the ftercompction in parallelly with the water supply line that has certain pressure again, portable air compressor or gasholder outlet select the scope of blast at 1～1.5Mpa.
3, the method for silo shearer according to claim 2, fully-mechanized digging machine wind water mixed atomizing is characterized in that: on wind regime pipeline and pipeline before water supply line is in parallel, be provided with a unidirectional stop valve, anti-sealing pours in down a chimney in the inlet air source capsule road.
4, the method for silo shearer according to claim 1, fully-mechanized digging machine wind water mixed atomizing, it is characterized in that: water supply line is being crossed the water jacket of movable motor and cutting motor and electric control box with geomantic omen mixed flow after the wind regime pipeline is in parallel, and can also satisfy the requirement of its cooling.
5, the method for silo shearer according to claim 1, fully-mechanized digging machine wind water mixed atomizing, it is characterized in that: wind regime pipeline on coal-winning machine, fully-mechanized digging machine fuselage and water supply line are respectively equipped with the control valve of regulating the geomantic omen amount, be used to regulate the geomantic omen amount, make it rationally mix the needs that are fit to safety in production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100123133A CN101307691A (en) | 2008-07-15 | 2008-07-15 | Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100123133A CN101307691A (en) | 2008-07-15 | 2008-07-15 | Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101307691A true CN101307691A (en) | 2008-11-19 |
Family
ID=40124327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100123133A Pending CN101307691A (en) | 2008-07-15 | 2008-07-15 | Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101307691A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644475A (en) * | 2012-04-26 | 2012-08-22 | 淮南矿业(集团)有限责任公司 | Air-water linkage spraying device |
| CN102797425A (en) * | 2012-08-27 | 2012-11-28 | 王清刚 | Wind-water linked atomized dust removing and cleaning device for coal bed drilling exploration |
| CN103233737A (en) * | 2013-04-10 | 2013-08-07 | 淮南矿业(集团)有限责任公司 | Fully-mechanized excavating machine |
| CN103758557A (en) * | 2014-01-29 | 2014-04-30 | 河北联合大学 | Mine dust grading combined dust fall method and device |
| CN109236291A (en) * | 2018-09-19 | 2019-01-18 | 淮北矿业股份有限公司 | Rock gangway fully-mechanized digging machine device for reducing dust |
-
2008
- 2008-07-15 CN CNA2008100123133A patent/CN101307691A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644475A (en) * | 2012-04-26 | 2012-08-22 | 淮南矿业(集团)有限责任公司 | Air-water linkage spraying device |
| CN102797425A (en) * | 2012-08-27 | 2012-11-28 | 王清刚 | Wind-water linked atomized dust removing and cleaning device for coal bed drilling exploration |
| CN102797425B (en) * | 2012-08-27 | 2014-12-10 | 王清刚 | Wind-water linked atomized dust removing and cleaning device for coal bed drilling exploration |
| CN103233737A (en) * | 2013-04-10 | 2013-08-07 | 淮南矿业(集团)有限责任公司 | Fully-mechanized excavating machine |
| CN103233737B (en) * | 2013-04-10 | 2015-10-21 | 淮南矿业(集团)有限责任公司 | Fully-mechanized digging machine |
| CN103758557A (en) * | 2014-01-29 | 2014-04-30 | 河北联合大学 | Mine dust grading combined dust fall method and device |
| CN103758557B (en) * | 2014-01-29 | 2015-12-09 | 河北联合大学 | Mine dust hierarchical composition dust-removing method and device |
| CN109236291A (en) * | 2018-09-19 | 2019-01-18 | 淮北矿业股份有限公司 | Rock gangway fully-mechanized digging machine device for reducing dust |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201221361Y (en) | Connecting downhole fully-mechanized mining and digging machine wind and water mixed spraying apparatus | |
| CN201090139Y (en) | Press control drill scalpel integration drilling bit | |
| CN110953013B (en) | Controllable jet flow punching pressure relief and permeability increase device and method for soft coal seam | |
| CN106014480B (en) | A kind of Single thick coal seam Gas Full-Mechanized Caving Face cooperates with administering method with coal spontaneous combustion | |
| CN101307691A (en) | Wind water mixed atomizing method for down-hole coal cutter fully-mechanized coal winning machine | |
| CN102966372A (en) | Slotting induced-flow pressure-relief anti-reflection method for complicated seam | |
| CN204782970U (en) | Low permeability coal seam water conservancy slot system | |
| CN103939101B (en) | A kind of lump coal exploitation method | |
| CN103912277A (en) | High-efficiency dust fall device and method of underground coal mine fully-mechanized excavating tunnel | |
| CN109973106A (en) | A kind of development machine using liquid nitrogen and jet of ice grains broken rock | |
| CN103953339B (en) | A kind of lump coal exploitation coal-winning machine and seam mining method | |
| CN109989712B (en) | Orifice cooling and lubricating system and method for coal mine underground air directional drilling | |
| CN203463049U (en) | Dust-settling device for wind deslagging drilling in underground coal mine | |
| CN102359376B (en) | Air curtain and water mist linkage dust settling method for full mechanized workface | |
| CN108386199A (en) | The safe and efficient driving method of the projecting coal bed shield of high methane and device | |
| CN106869953A (en) | Soft lower hard and tunneling boring hard rock balance driving method of calming the anger on earth pressure balanced shield, EPBS | |
| CN105507947A (en) | Networked gangue filling method | |
| CN102042026A (en) | Dense shallow hole dust catcher for coal mines | |
| CN210829265U (en) | Top coal caving mining system for medium-thickness coal seam with extra-large dip angle | |
| CN114352345B (en) | Low-permeability inclined coal seam coal and gas fluidization co-mining system and method | |
| CN108661566A (en) | A kind of RJP techniques and the general drill bit of MJS techniques and its construction technology | |
| CN206152537U (en) | Dust fall system of stope | |
| CN103161415A (en) | Negative pressure drilling system | |
| CN104018784B (en) | Cooling and dust catching device for remotely conveying coal bed drilling ice particles and application method thereof | |
| CN107131000A (en) | A kind of underground coal mine intellectuality injection filling mining equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20081119 |