CN104832206A - Linkage dust-removing system and method used in fully mechanized coal mining face regions of mine - Google Patents
Linkage dust-removing system and method used in fully mechanized coal mining face regions of mine Download PDFInfo
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- CN104832206A CN104832206A CN201510231456.3A CN201510231456A CN104832206A CN 104832206 A CN104832206 A CN 104832206A CN 201510231456 A CN201510231456 A CN 201510231456A CN 104832206 A CN104832206 A CN 104832206A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title abstract description 12
- 238000005065 mining Methods 0.000 title abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 142
- 238000004891 communication Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 97
- 238000010410 dusting Methods 0.000 claims description 58
- 238000000151 deposition Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 21
- 238000005453 pelletization Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 10
- 230000007115 recruitment Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Electrostatic Separation (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a linkage dust-removing system and method used in fully mechanized coal mining face regions of a mine and belongs to the field of dust-removing equipment in an underground coal mine. A plurality of branch dust-removing units are arranged in an underground air return roadway region (1), a working face region (2) and an air inlet roadway region (3) respectively; the linkage dust-removing system is characterized in that each of the air return roadway region (1), the working face region (2) and the air inlet roadway region (3) is provided with at least a dust concentration sensor (13); each dust concentration sensor (13) is connected with any one spraying and dust reduction sub-station (11) in the corresponding region; the spraying and dust reduction sub-stations (11) are connected with a control host computer (14) through a communication bus (7). By adoption of the linkage dust-removing system and method used in the fully mechanized coal mining face regions of the mine, the underground dust concentration can be monitored in real time through the control host computer; the working states of spraying devices can be uniformly controlled by the control host computer according to the dust concentration and the position of a coal mining machine.
Description
Technical field
Mechanized Regional Linking dust pelletizing system and method, belong to dust removing down-hole of coal mine apparatus field.
Background technology
A large amount of dust all can be discharged in colliery in the links such as production, storage, transport and tunnelling in air.Modern combining is adopted, is combined pick equipment in coal production process, obtained ripe utilization, and while substantially increasing digging efficiency, the dust of generation also gets more and more.Combine adopt, fully mechanized workface is the maximum Work places of colliery dust-producing amount, its dust-producing amount accounts for about 60% of mine dust-producing amount.In order to prevent the generation of the serious accidents such as mine coal dust explosion, improve mine labour health condition, above several region is the emphasis of mine dust control.The application of existing single dedusting method equipment, dust-laying effect is bad, efficiency of dust collection is low, can not meet the demand of present stage coal mine dedusting.Regional Linking depositing dust scheme that is comprehensive, system must be adopted, just can reach better dust-laying effect.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, there is provided a kind of and Real-Time Monitoring carried out to downhole powder dust concentration, by main control system according to the concentration of dust and the position of coal-winning machine the duty to atomization mechanism unify the Mechanized Regional Linking dust pelletizing system that controls and method.
The technical solution adopted for the present invention to solve the technical problems is: this Mechanized Regional Linking dust pelletizing system, in region, underground return air tunnel, multiple branches depositing dust unit is provided with in work plane region and intake region, branch's depositing dust unit comprises atomizing de-dusting substation, the electrical ball valve be connected with atomizing de-dusting substation, infrared remote receiver and the spray lance controlled by the realization of atomizing de-dusting substation, electrical ball valve is arranged in the middle part of spray lance, spray lance one end connects water supply line, the other end is provided with to spray water and forms the shower nozzle of water curtain, coal-winning machine in work plane region is provided with infrared transmitter, infrared transmitter coordinates the location realizing coal-winning machine with infrared remote receiver, it is characterized in that: in described region, return aircourse, at least one sensor of dust concentration is also respectively arranged with in work plane region and intake region, sensor of dust concentration connects with any one the atomizing de-dusting substation in corresponding region, all atomizing de-dusting substations are connected with main control system by communication bus.
Preferably, described main control system is arranged on the equipment train in intake regional work face.
Preferably, described main control system adopts embedded-type ARM controller.
Preferably, the touch-screen be connected with described main control system is also provided with.
Preferably, described communication bus is RS485 bus.
Mechanized Regional Linking dust collection method, is characterized in that: comprise main dedusting control flow and main control system that main control system realizes in work plane Region control in intake region or/and the assisted dust-collecting control flow that realizes of return aircourse Region control.
Preferably, described main dedusting control flow, comprises the steps:
Step 1001, starts;
Main control system starts to carry out work plane control;
Step 1002, whether coal-winning machine runs;
Main control system judges that whether coal-winning machine is in running status, if in running status, performs step 1003, if be not in running status, returns step 1001;
Step 1003, coal-winning machine is located;
Main control system is by receiving the position of the atomizing de-dusting substation determination coal-winning machine of infrared signal;
Step 1004, whether the dust concentration in work plane region is greater than setting value;
Whether the dust concentration that main control system judges in work at present face according to the dust concentration that the sensor of dust concentration in work plane region is uploaded is greater than work plane concentration set point, if be greater than setting value, perform step 1005, if be not more than setting value, return step 1002;
Step 1005, opens both sides water curtain;
Main control system sends control signal to the atomizing de-dusting substation of coal-winning machine both sides, and the water curtain being controlled coal-winning machine both sides by atomizing de-dusting substation is opened;
Step 1006, water curtain moves with coal-winning machine;
Along with mobile status when coal-winning machine works, atomizing de-dusting substation controls to open corresponding spray lance work, and the water curtain that main control system controls coal-winning machine both sides is mobile with the movement of coal-winning machine;
Step 1007, whether the dust concentration in work plane is less than setting value;
Whether the dust concentration that main control system judges in work at present face according to the dust concentration that the sensor of dust concentration in work plane region is uploaded is less than work plane concentration set point, if be greater than setting value, perform step 1008, if be not less than setting value, return step 1006;
Step 1008, closes both sides water curtain;
Main control system controls the water curtain of closing coal-winning machine both sides.
Preferably, described assisted dust-collecting control flow, comprises the steps:
Step 2001, starts;
Main control system starts to carry out return air or intake control;
Step 2002, whether concentration is greater than setting value;
Main control system according to region, return aircourse or/and the dust concentration that sensor of dust concentration in intake region is uploaded judges whether the dust concentration in work at present face is greater than return air or intake concentration set point, if be greater than setting value, perform step 2004, if be not more than setting value, return step 2003;
Step 2003, maintains water curtain and closes
Main control system controls the closed condition of water curtain in return air or intake;
Step 2004, opens one water curtain;
Main control system, to region, return aircourse or/and the atomizing de-dusting substation in intake region sends control signal, opens one water curtain near side, work plane region;
Step 2005, whether concentration recruitment exceedes variable quantity;
Main control system according to region, return aircourse or/and the dust concentration that sensor of dust concentration in intake region is uploaded judges whether the recruitment of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2006, if do not exceed presetting variable quantity, perform step 2007;
Step 2006, increases by one water curtain;
Main control system or/and the atomizing de-dusting substation in intake region sends control signal, increases by one water curtain to region, return aircourse;
Step 2007, whether concentration decrease exceedes variable quantity;
Main control system according to region, return aircourse or/and the dust concentration that sensor of dust concentration in intake region is uploaded judges whether the decrease of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2009, if do not exceed presetting variable quantity, perform step 2008;
Step 2008, maintains water curtain state;
Main control system maintains current water curtain state by controlling atomizing de-dusting substation;
Step 2009, reduces by one water curtain;
Main control system sends control signal to the atomizing de-dusting substation in region, return aircourse or intake region, reduces by one water curtain;
Step 2010, whether someone passes through;
Main control system judges in region, return aircourse and intake region, whether water curtain place has people's process, if there is people's process, performs step 2011, if nobody's process, performs step 2012;
Step 2011, closes water curtain;
Main control system sends control signal to the atomizing de-dusting substation in region, return aircourse or intake region, is closed by the water curtain of people through place;
Step 1012, maintains water curtain current state;
The opening that main control system maintains current water curtain remains unchanged, and returns step 2005.
Preferably, the water curtain of the coal-winning machine both sides described in step 1005 is the 2nd, the 3 twice water curtains that coal-winning machine intake side selection the 7th, 8 twice and side, coal-winning machine return aircourse are opened.
Preferably, the variable quantity described in step 2005,2007 is 5mg/m
3.
Compared with prior art, the beneficial effect that the present invention has is:
1, by this Mechanized Regional Linking dust pelletizing system, Real-Time Monitoring can be carried out to dust concentration in each region, down-hole, and by main control system according to the concentration of dust and the position of coal-winning machine the duty to atomization mechanism unify control, change in traditional fully-mechanized mining working the mode of the dirt that manually goes out, achieve the Based Intelligent Control of each branch depositing dust unit, there is great practical and popularizing value.For the safety in production and carrying out production strictly in line with rules and regulations of mine plays a role.Solve the technical barrier that coal-winning machine former atomization mechanism depositing dust scope is little, effect is undesirable, face dust concentration is high, reduce labor strength, effectively prevent pneumoconiosis from endangering.
2, main control system is fixed in the intake of working region, to avoid in coal mining process dust to the impact of main control system.
3, main control system adopts embedded ARM processor, conveniently programmes to it, makes main control system have the function of versatility and a tractor serves several purposes, can be good at the complexity of reduction system and regular maintenance.
4, main control system is also provided with touch-screen, has good human-computer interaction interface.Monitored data and the running status in whole region are very clear.
5, carry out networking by RS485 bus, facilitate main control system to control atomizing de-dusting substation, ensure that the transmission of data simultaneously.
6, by infrared alignment sensor, main control system can be located in real time to coal-winning machine, and the water curtain controlling coal-winning machine both sides is mobile with the movement of coal-winning machine, and depositing dust is more reasonable.
7, when opening the water curtain of coal-winning machine both sides, select the 7th, the 8 twice water curtains opening coal-winning machine intake side, can prevent spray under distinguished and admirable effect, drenching coal-winning machine 4, select the 2nd, the 3 twice water curtains being open at side, coal-winning machine return aircourse simultaneously, effectively can wrap up coal mining machine roller, prevent coal dust from spreading.
8, in assisted dust-collecting control flow, the dust in region, return aircourse or intake region increases or the variable quantity that reduces all is set as 5mg/m
3, namely current dust concentration value is than variable quantity often low 5mg/m
3, the water curtain quantity of one's respective area subtracts 1 road, until Close All; When the dust concentration in this region is higher than setting value, current dust concentration value high 5mg/m more every than variable quantity
3, the water curtain quantity of one's respective area by increase by 1 road, until all open.By opening the water curtain in region, return aircourse or intake region, achieve the secondary dust removing to dust, and the quantity of water curtain changes with the change of dust concentration, realize the object of dynamic depositing dust, the anti-depositing dust of fully-mechanized mining working reached efficiently, intelligence, reasonably object.
Accompanying drawing explanation
Fig. 1 is Mechanized Regional Linking dust pelletizing system structural representation.
Fig. 2 is the main dedusting control flow chart of Mechanized Regional Linking dust collection method.
Fig. 3 is Mechanized Regional Linking dust collection method assisted dust-collecting control flow chart.
Wherein: 1, region, return aircourse 2, work plane region 3, intake region 4, coal-winning machine 5, infrared transmitter 6, infrared remote receiver 7, communication bus 8, electricity cable 9, water supply line 10, spray lance 11, atomizing de-dusting substation 12, electrical ball valve 13, sensor of dust concentration 14, main control system.
Detailed description of the invention
Fig. 1 ~ 3 are most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 3, the present invention will be further described.
As shown in Figure 1, at underground coal mine, be distributed with work plane region 2 and be positioned at region, return aircourse 1 and the intake region 3 of both sides, work plane region 2, coal-winning machine 4 carries out operation in work plane region 2.Mechanized Regional Linking dust pelletizing system is distributed in region, return aircourse 1, work plane region 2 and intake region 3.
Mechanized Regional Linking dust pelletizing system, comprise a main control system 14 and by the unified some branches depositing dust unit carrying out controlling of main control system 14, branch's depositing dust unit is provided with multiple in region, return aircourse 1, work plane region 2 and intake region 3.
Main control system 14 is arranged on the equipment train of intake region 3 work plane, realize by adopting embedded-type ARM controller, conveniently it is programmed, make main control system 14 have the function of versatility and a tractor serves several purposes, can be good at the complexity of reduction system and regular maintenance.Main control system 14 is also provided with touch-screen, has good human-computer interaction interface.Monitored data and the running status in whole region are very clear.
Branch's depositing dust unit comprises atomizing de-dusting substation 11, spray lance 10, electrical ball valve 12 and infrared remote receiver 6.Atomizing de-dusting substation 11 is arranged on the hydraulic support in region, return aircourse 1, work plane region 2 and intake region 3.Each atomizing de-dusting substation 11 all has a unique geocoding, and the convenient position identifying atomizing de-dusting substation 11, prevents from same bus clashes between substation.Atomizing de-dusting substation 11 adopts commercially available automatic sprinkling dust suppression device for mines controller to realize.
The quantity one_to_one corresponding of spray lance 10 and atomizing de-dusting substation 11, the front end of spray lance 10 is connected with water supply line 9, rear end is provided with multiple fog-spray nozzle, between the fog-spray nozzle and water supply line 9 of each spray lance 10, an electrical ball valve 12 is all installed, the control end of electrical ball valve 12 and atomizing de-dusting substation 11.
Infrared remote receiver 6 is connected with atomizing de-dusting substation 11, the infrared signal that infrared remote receiver 6 sends for receiving infrared transmitter 5, and infrared transmitter 5 is fixed on coal-winning machine 4, and infrared transmitter 5 coordinates the infrared alignment sensor formed with infrared remote receiver 6.By arranging infrared alignment sensor, when coal-winning machine 4 moves to corresponding atomizing de-dusting substation 11 place, be fixed on the infrared signal that the infrared transmitter 5 on coal-winning machine 4 sends to be received by the infrared remote receiver 6 of relevant position, the signal received is delivered in atomizing de-dusting substation 11 by infrared remote receiver 6, and delivers to main control system 14 by atomizing de-dusting substation 11.If when now the dust concentration at coal-winning machine 4 place exceedes setting value, according to the position of coal-winning machine 4, main control system 14 sends control signal to the atomizing de-dusting substation 11 of the front-end and back-end of coal-winning machine 4 present position, after the atomizing de-dusting substation 11 of relevant position receives control signal, the electrical ball valve 12 controlling to be attached thereto is opened, water in water supply line 9 enters in corresponding spray lance 10, and form water smoke by the shower nozzle ejection being arranged on spray lance 10 rear end, carry out depositing dust, thus water curtain is formed above or below coal-winning machine 4 present position is distinguished and admirable, and along with the movement of coal-winning machine 4, water curtain automatically can be followed coal-winning machine 4 and be moved.Achieve the Regional Linking depositing dust of depositing dust water curtain according to the dust concentration in each region and coal-winning machine 4 position.
Infrared alignment sensor described above is coordinated by infrared transmitter 5 and infrared remote receiver 6 and forms, and in work plane region 2, each atomizing de-dusting substation 11 is all connected with an infrared remote receiver 6, infrared transmitter 5 is only provided with one, is positioned on coal-winning machine 4.And in region, return aircourse 1 and intake region 3, each atomizing de-dusting substation 11 is equally all connected with an infrared remote receiver 6, the quantity of infrared transmitter 5 and the quantity of infrared remote receiver 6 and setting position and infrared remote receiver 6 one_to_one corresponding, the respectively corresponding wall both sides being arranged on region, return aircourse 1 and intake region 3.
In region, return aircourse 1, work plane region 2 and intake region 3, also be provided with 1 ~ 2 sensor of dust concentration 13, sensor of dust concentration 13 is connected with the output port of any atomizing de-dusting substation 11 in respective regions, dust concentration in respective regions is delivered in atomizing de-dusting substation 11 by sensor of dust concentration 13.
The feeder ear of atomizing de-dusting substation 11 and main control system 14 is connected with electricity cable 8 simultaneously, is powered by electricity cable 8, and the PORT COM of atomizing de-dusting substation 11 and main control system 14 is connected with communication bus 7 simultaneously and realizes communication.Main control system 14 carries out communication simultaneously and between ground maneuvers room on the ground, real time information is sent to ground, main control system 14 is unified to control to all atomizing de-dusting substations 11 by communication bus 7 simultaneously, and communication bus adopts RS485 bus to carry out industrial networking.
By main control system and each branch depositing dust unit are carried out networking, achieve the Real-Time Monitoring of main control system 14 to the dust concentration in whole region, and unify to control and scheduling to the atomize of each branch depositing dust unit, change in traditional fully-mechanized mining working the mode of the dirt that manually goes out, achieve the Based Intelligent Control of each branch depositing dust unit, there is great practical and popularizing value.
Mechanized Regional Linking dust collection method, comprises the main dedusting control flow of main control system 14 at work plane region 2 control realization and the assisted dust-collecting control flow of main control system 14 pairs of intake regions 3 and region, return aircourse 1 control realization.
As shown in Figure 2, main dedusting control flow, comprises the steps:
Step 1001, starts;
Main control system 14 starts to carry out work plane control;
Step 1002, whether coal-winning machine 4 runs;
Main control system 14 judges that whether coal-winning machine 4 is in running status, if in running status, performs step 1003, if be not in running status, returns step 1001;
Step 1003, coal-winning machine is located;
Main control system 14 determines the position of coal-winning machine 4 by the atomizing de-dusting substation 11 receiving infrared signal;
Step 1004, whether the dust concentration in work plane is greater than setting value;
Whether the dust concentration that main control system 14 judges in work at present face according to the dust concentration that the sensor of dust concentration 13 in work plane region is uploaded is greater than work plane concentration set point, if be greater than setting value, perform step 1005, if be not more than setting value, return step 1002;
Step 1005, opens both sides water curtain;
Main control system 14 sends control signal to the atomizing de-dusting substation 11 of coal-winning machine 4 both sides, and the water curtain being controlled coal-winning machine 4 both sides by atomizing de-dusting substation 11 is opened;
Select arbitrarily in the intake side of coal-winning machine 4 and the water curtain of side, return aircourse, select at coal-winning machine 4 intake side selection the 7th, 8 twice and coal-winning machine 4 interval water curtain far away in principle, can prevent spray under distinguished and admirable effect, drenching coal-winning machine 4, unlatching the 2nd, 3 twice water curtain is selected in side, coal-winning machine 4 return aircourse, effectively can wrap up coal mining machine roller, prevent coal dust from spreading.
Step 1006, water curtain moves with coal-winning machine 4;
Along with mobile status when coal-winning machine 4 works, the water curtain that main control system 14 controls coal-winning machine 4 both sides is mobile with the movement of coal-winning machine 4;
Step 1007, whether the dust concentration in work plane region 2 is less than setting value;
Whether the dust concentration that main control system 14 judges in work at present face according to the dust concentration that the sensor of dust concentration 13 in work plane region 2 is uploaded is less than work plane concentration set point, if be greater than setting value, perform step 1008, if be not less than setting value, return step 1006;
Step 1008, closes both sides water curtain;
Main control system 14 controls the water curtain of closing coal-winning machine 4 both sides.
As shown in Figure 3, assisted dust-collecting control flow, comprises the steps:
Step 2001, starts;
Main control system 14 starts to carry out return air or intake control;
Step 2002, whether concentration is greater than setting value;
Whether main control system 14 is greater than return air or intake concentration set point according to the dust concentration that the dust concentration that the sensor of dust concentration 13 in region, return aircourse 1 or intake region 3 is uploaded judges in work at present face, if be greater than setting value, perform step 2004, if be not more than setting value, return step 2003;
Step 2003, maintains water curtain and closes
Main control system 14 controls the closed condition of water curtain in return air or intake;
Step 2004, opens one water curtain;
Main control system 14 sends control signal to the atomizing de-dusting substation 11 in region, return aircourse 1 or intake region 3, opens one water curtain near side, work plane region 2;
Step 2005, whether concentration recruitment exceedes variable quantity;
According to the dust concentration that the sensor of dust concentration 13 in region, return aircourse 1 or intake region 3 is uploaded, main control system 14 judges whether the recruitment of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2006, if do not exceed presetting variable quantity, perform step 2007;
Step 2006, increases by one water curtain;
Main control system 14 sends control signal to the atomizing de-dusting substation 11 in region, return aircourse 1 or intake region 3, increases by one water curtain;
Step 2007, whether concentration decrease exceedes variable quantity;
According to the dust concentration that the sensor of dust concentration 13 in region, return aircourse 1 or intake region 3 is uploaded, main control system 14 judges whether the decrease of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2009, if do not exceed presetting variable quantity, perform step 2008;
Step 2008, maintains water curtain state;
Main control system 14 maintains current water curtain state by controlling atomizing de-dusting substation 11;
Step 2009, reduces by one water curtain;
Main control system 14 sends control signal to the atomizing de-dusting substation 11 in region, return aircourse 1 or intake region 3, reduces by one water curtain.
Step 2010, whether someone passes through;
Main control system 14 judges in region, return aircourse 1 and intake region 3, whether water curtain place has people's process, if there is people's process, performs step 2011, if nobody's process, performs step 2012;
As mentioned above, in the wall both sides in region, return aircourse 1 and intake region 3, correspondence is provided with the many groups of infrared alignment sensors be made up of infrared remote receiver 6 and infrared transmitter 5 respectively, the infrared signal that infrared transmitter 5 sends is received by the infrared remote receiver 6 of opposite position, when infrared remote receiver 6 does not receive the signal that infrared transmitter 5 launches, being regarded as the infrared alignment sensor place of this group has people to pass through.
Step 2011, closes water curtain;
Main control system 14 sends control signal to the atomizing de-dusting substation 11 in region, return aircourse 1 or intake region 3, is closed by the water curtain of people through place;
Step 1012, maintains water curtain current state;
The opening that main control system 14 maintains current water curtain remains unchanged, and returns step 2005.
In this assisted dust-collecting control flow, the dust in region, return aircourse 1 or intake region 3 increases or the variable quantity that reduces all is set as 5mg/m
3, namely current dust concentration value is than variable quantity often low 5mg/m
3, the water curtain quantity of one's respective area subtracts 1 road, until Close All; When the dust concentration in this region is higher than setting value, current dust concentration value high 5mg/m more every than variable quantity
3, the water curtain quantity of one's respective area by increase by 1 road, until all open.By opening the water curtain in region, return aircourse 1 or intake region 3, achieve the secondary dust removing to dust, and the quantity of water curtain changes with the change of dust concentration, realize the object of dynamic depositing dust, the anti-depositing dust of fully-mechanized mining working reached efficiently, intelligence, reasonably object.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. Mechanized Regional Linking dust pelletizing system, in region, underground return air tunnel (1), multiple branches depositing dust unit is provided with in work plane region (2) and intake region (3), branch's depositing dust unit comprises atomizing de-dusting substation (11), the electrical ball valve (12) be connected with atomizing de-dusting substation (11), infrared remote receiver (6) and the spray lance (10) controlled by atomizing de-dusting substation (11) realization, electrical ball valve (12) is arranged on spray lance (10) middle part, spray lance (10) one end connects water supply line (9), the other end is provided with to spray water and forms the shower nozzle of water curtain, coal-winning machine (4) in work plane region (2) is provided with infrared transmitter (5), infrared transmitter (5) coordinates with infrared remote receiver (6) location realizing coal-winning machine (4), it is characterized in that: in described region, return aircourse (1), at least one sensor of dust concentration (13) is also respectively arranged with in work plane region (2) and intake region (3), sensor of dust concentration (13) connects with any one the atomizing de-dusting substation (11) in corresponding region, all atomizing de-dusting substations (11) are connected with main control system (14) by communication bus (7).
2. Mechanized Regional Linking dust pelletizing system according to claim 1, is characterized in that: described main control system (14) is arranged on the equipment train of intake region (3) work plane.
3. Mechanized Regional Linking dust pelletizing system according to claim 1, is characterized in that: described main control system (14) adopts embedded-type ARM controller.
4. the Mechanized Regional Linking dust pelletizing system according to any one of claim 1 ~ 3, is characterized in that: be also provided with the touch-screen be connected with described main control system (14).
5. Mechanized Regional Linking dust pelletizing system according to claim 1, is characterized in that: described communication bus (7) is RS485 bus.
6. the Mechanized Regional Linking dust collection method utilizing the Mechanized Regional Linking dust pelletizing system described in any one of claim 1 ~ 5 to realize, is characterized in that: comprise main control system (14) at the main dedusting control flow of work plane region (2) control realization and main control system (14) in intake region (3) or/and the assisted dust-collecting control flow of region, return aircourse (1) control realization.
7. Mechanized Regional Linking dust collection method according to claim 6, is characterized in that: described main dedusting control flow, comprises the steps:
Step 1001, starts;
Main control system (14) starts to carry out work plane control;
Step 1002, whether coal-winning machine (4) runs;
Main control system (14) judges that whether coal-winning machine (4) is in running status, if in running status, performs step 1003, if be not in running status, returns step 1001;
Step 1003, coal-winning machine is located;
Main control system (14) determines the position of coal-winning machine (4) by the atomizing de-dusting substation (11) receiving infrared signal;
Step 1004, whether the dust concentration in work plane region (2) is greater than setting value;
According to the dust concentration that the sensor of dust concentration (13) in work plane region is uploaded, main control system (14) judges whether the dust concentration in work at present face is greater than work plane concentration set point, if be greater than setting value, perform step 1005, if be not more than setting value, return step 1002;
Step 1005, opens both sides water curtain;
Main control system (14) sends control signal to the atomizing de-dusting substation (11) of coal-winning machine (4) both sides, and the water curtain being controlled coal-winning machine (4) both sides by atomizing de-dusting substation (11) is opened;
Step 1006, water curtain is mobile with coal-winning machine (4);
Along with mobile status when coal-winning machine (4) works, atomizing de-dusting substation (11) controls to open corresponding spray lance (10) work, and the water curtain that main control system (14) controls coal-winning machine (4) both sides is mobile with the movement of coal-winning machine (4);
Step 1007, whether the dust concentration in work plane region (2) is less than setting value;
According to the dust concentration that the sensor of dust concentration (13) in work plane region (2) is uploaded, main control system (14) judges whether the dust concentration in work at present face is less than work plane concentration set point, if be greater than setting value, perform step 1008, if be not less than setting value, return step 1006;
Step 1008, closes both sides water curtain;
Main control system (14) controls the water curtain of closing coal-winning machine (4) both sides.
8. Mechanized Regional Linking dust collection method according to claim 6, is characterized in that: described assisted dust-collecting control flow, comprises the steps:
Step 2001, starts;
Main control system (14) starts to carry out return air or intake control;
Step 2002, whether concentration is greater than setting value;
Main control system (14) according to region, return aircourse (1) or/and the dust concentration that sensor of dust concentration (13) in intake region (3) is uploaded judges whether the dust concentration in work at present face is greater than return air or intake concentration set point, if be greater than setting value, perform step 2004, if be not more than setting value, return step 2003;
Step 2003, maintains water curtain and closes
Main control system (14) controls the closed condition of water curtain in return air or intake;
Step 2004, opens one water curtain;
Main control system (14), to region, return aircourse (1) or/and the atomizing de-dusting substation (11) in intake region (3) sends control signal, opens one water curtain near work plane region (2) side;
Step 2005, whether concentration recruitment exceedes variable quantity;
Main control system (14) according to region, return aircourse (1) or/and the dust concentration that sensor of dust concentration (13) in intake region (3) is uploaded judges whether the recruitment of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2006, if do not exceed presetting variable quantity, perform step 2007;
Step 2006, increases by one water curtain;
Main control system (14) or/and the atomizing de-dusting substation (11) of intake region (3) sends control signal, increases by one water curtain to region, return aircourse (1);
Step 2007, whether concentration decrease exceedes variable quantity;
Main control system (14) according to region, return aircourse (1) or/and the dust concentration that sensor of dust concentration (13) in intake region (3) is uploaded judges whether the decrease of the dust concentration in respective regions exceedes presetting variable quantity, if exceed presetting variable quantity, perform step 2009, if do not exceed presetting variable quantity, perform step 2008;
Step 2008, maintains water curtain state;
Main control system (14) maintains current water curtain state by controlling atomizing de-dusting substation (11);
Step 2009, reduces by one water curtain;
Main control system (14) sends control signal to the atomizing de-dusting substation (11) in region, return aircourse (1) or intake region (3), reduces by one water curtain;
Step 2010, whether someone passes through;
Main control system (14) judges whether region, return aircourse (1) and intake region (3) interior water curtain place have people's process, if there is people's process, performs step 2011, if nobody's process, performs step 2012;
Step 2011, closes water curtain;
Main control system (14) sends control signal to the atomizing de-dusting substation (11) in region, return aircourse (1) or intake region (3), is closed by the water curtain of people through place;
Step 1012, maintains water curtain current state;
The opening that main control system (14) maintains current water curtain remains unchanged, and returns step 2005.
9. Mechanized Regional Linking dust collection method according to claim 7, is characterized in that: the water curtain of coal-winning machine (4) both sides described in step 1005 is the 2nd, the 3 twice water curtains that coal-winning machine (4) intake side selection the 7th, 8 twice and coal-winning machine (4) side, return aircourse are opened.
10. Mechanized Regional Linking dust collection method according to claim 8, is characterized in that: the variable quantity described in step 2005,2007 is 5mg/m
3.
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