CN110145355A - A kind of rubber conveyer fire smoke flow drainage device and method - Google Patents
A kind of rubber conveyer fire smoke flow drainage device and method Download PDFInfo
- Publication number
- CN110145355A CN110145355A CN201910513918.9A CN201910513918A CN110145355A CN 110145355 A CN110145355 A CN 110145355A CN 201910513918 A CN201910513918 A CN 201910513918A CN 110145355 A CN110145355 A CN 110145355A
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- flow drainage
- rubber conveyer
- mine
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- 239000000779 smoke Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 230000033228 biological regulation Effects 0.000 claims description 41
- 230000002457 bidirectional effect Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 15
- 239000003063 flame retardant Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 210000002268 wool Anatomy 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000002241 glass-ceramic Substances 0.000 claims description 3
- 229910001095 light aluminium alloy Inorganic materials 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 239000012945 sealing adhesive Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
- E21F1/12—Devices for automatically opening air doors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
In order to which the plume for solving to generate when fire occurs for rubber conveyer in currently available technology enters each working face, the invention proposes a kind of rubber conveyer fire smoke flow drainage device and methods, the real time monitoring that the present invention passes through sensor, automatic adjustment air regulator size can be achieved, it realizes the automatic jet function of Emergency Ventilating Current, improves the safety of the mine fire disaster relief.
Description
Technical field
The invention belongs to coal-mine fire Prevention Technique field more particularly to a kind of rubber conveyer fire smoke flow drainage devices
And method.
Background technique
Rubber belt conveyor head, tail are easy to produce fire due to rubbing, and can generate in adhesive tape combustion process a large amount of
The toxic and harmful gas such as HCL, hydrogen cyanide, unsaturated hydrocarbon and CO, if belt conveyor fire in air intake occur after the disaster relief
Not in time or method is not proper, and toxic plume flows into rapidly each working face, and disaster is caused to expand.Do not have also at present for adhesive tape fire
Timely and effectively processing method after calamity occurs is only capable of using manually putting out to fire location, but in fire extinguishing procedure still
A large amount of toxic and harmful gas can be generated, which still can flow into each working face along tunnel, therefore being badly in need of one kind can be
The device and method that can carry out effective water conservancy diversion when fire to poisonous and harmful plume occurs for rubber conveyer.
Summary of the invention
In order to which the plume for solving to generate when fire occurs for rubber conveyer in currently available technology enters each working face, this
Invention proposes a kind of rubber conveyer fire smoke flow drainage device and method, the present invention, can by the real time monitoring of sensor
It realizes automatic adjustment air regulator size, realizes the automatic jet function of Emergency Ventilating Current, improve the safety of the mine fire disaster relief.
A kind of rubber conveyer fire smoke flow drainage device, including the first smoke sensor device, the first CO sensor, the second cigarette
Mist sensor, the 2nd CO sensor, Bidirectional wind speed instrument, control cabinet, regulation wind window；First smoke sensor device, the first CO sensor,
Second smoke sensor device, the 2nd CO sensor, Bidirectional wind speed instrument are set in belt conveyor tunnel；First smoke sensor device and
First CO sensor is arranged side by side in the lower wind direction of the normal wind direction of Bidirectional wind speed instrument, the second smoke sensor device and the 2nd CO sensing
Device is arranged side by side in the upwind of the normal wind direction of Bidirectional wind speed instrument；Control cabinet and regulation wind window are set to inside return aircourse；
First smoke sensor device, the first CO sensor, the second smoke sensor device, the 2nd CO sensor, Bidirectional wind speed instrument are and control cabinet
Connection, control cabinet carry out opening and closing to regulation wind window according to sensor signal and adjust control.
Further, the second smoke sensor device and the 2nd CO sensor are set to adhesive tape fortune corresponding with return aircourse entrance
In defeated machine tunnel；Alternatively, the second smoke sensor device and the 2nd CO sensor are set to the return aircourse in belt conveyor tunnel
At the upwind of the normal wind direction of entrance.
Further, control cabinet is PLC control cabinet, and PLC control cabinet is set on the side wall of return aircourse.
Further, PLC control cabinet further includes mine explosion-suppression intrinsic safety type PLC controller, Mine-used I. S radio-frequency module, passes
It is sensor acquisition module, CAN bus module, Mine-used I. S transformer, flame-proof mine control button, explosion-proof solenoid valve, explosion-proof
The uninterrupted DC power supply of motor, mine intrinsic safety, the Mine-used I. S network switch and monitoring host computer.
Further, regulation wind window is installed on the air door wall of return aircourse, and regulation wind window includes moving towards along return aircourse
The first regulation wind window and the second regulation wind window of setting spaced apart.
Further, regulation wind window includes motor, retarder, transmission shaft, spool, sheath, tail plug, guiding device, end
Cover board, housing, fixing bolt, guide rail, wool top, upper limit switch, curtain sheet, sealing joint strip, bottom beam, bottom beam sealing strip, lower limit
Switch；Motor end and end casing are individually fixed in the two sides of air door wall, and motor is passed by retarder and transmission axis connection
Fixing sleeve is equipped with spool on moving axis, and the spool other end is connect by tail plug with the guiding device on end casing, and interval is set on spool
It is equipped with sheath；Motor, retarder, transmission shaft, spool outside are provided with housing；Air door wall two sides are set by fixing bolt respectively
It is equipped with guide rail, guide rail internal periphery is provided with wool top；Curtain sheet, lower side curtain sheet and bottom are connected by upper limit switch on the downside of spool
Beam connects, and is provided with bottom beam sealing strip on bottom beam, lower sill beam is provided with lower position switch；It is led by holding card to protrude at curtain sheet both ends
Inside rail, curtain sheet is internally provided with heat-barrier material, is provided with sealing strip between adjacent curtain sheet.
Further, curtain sheet is made of the double-deck buckle light aluminum alloy material, and heat-barrier material is that glass fibre and ceramics are fine
It ties up, sealing strip is flame retardant rubber sealing strip between curtain sheet；Guide rail is buried type guide rail, and wool top is made of flame retardant rubber；Adjust wind
The roller shutter surface of window is covered with one layer of glass fabric for being coated with flame retardant rubber, and regulation wind window is suitable for both ends pressure difference and is greater than
The tunnel of 400Pa.
A kind of rubber conveyer fire smoke flow drainage method, including,
Pass through the second smoke sensor device being set in belt conveyor tunnel and the 2nd CO sensor real-time monitoring tunnel
It is interior it is distinguished and admirable in smog and CO concentration, determine adhesive tape occur fire after by PLC control cabinet issue signal, automatic opening air return lane
Motor is in road to open regulation wind window；
When reversed distinguished and admirable, and the smog that the first smoke sensor device and the first CO sensor monitor occurs in Bidirectional wind speed instrument
When reaching safe concentration or less with CO concentration, stop motor operation, guarantees that stream containing flue gas is directed directly in return aircourse；
When the second smoke sensor device and the 2nd CO sensor monitor that distinguished and admirable middle smog and CO are dense in belt conveyor tunnel
After degree reaches safe concentration, PLC control cabinet issues signal control motor reversion, closes regulation wind window.
Further, the safe concentration threshold value of smog and CO concentration is 30ppm and 5%obs/m, when the second smoke sensor device
Monitor that smokescope is greater than 30ppm or when the 2nd CO sensor monitors that CO concentration is greater than 5%obs/m in tunnel in tunnel,
PLC control cabinet controls to adjust air regulator and realizes linear open.
Further, the uninterrupted DC power supply of mine intrinsic safety provides electric energy for PLC control cabinet all parts；Mine-used I. S
Transformer is motor, smoke sensor device, CO sensor and Bidirectional wind speed instrument provide electric energy.
The utility model has the advantages that
Using a kind of rubber conveyer fire smoke flow drainage device provided by the invention and method, in belt conveyor tunnel
After interior generation fire, by motor automatic start-stop, the on-demand adjusting of fire smoke flow water conservancy diversion is realized, while the climing of fiery cigarette can be reduced
Prolong range, guarantees the psychosomatic health of the other regional production personnel in underground to greatest extent, improve the anti-disaster ability of mine.
The present invention uses dual sensor form, improves fire source and occurs to determine the reliability of detection.If current underground occurs
Fire alarm needs artificial scene switch return aircourse damper, risk can be made to expand, the personal safety of Field Force is also difficult to
To guarantee, rubber conveyer fire smoke flow drainage device of the invention and method use automatic executing agency to be not necessarily to human intervention,
It realizes intelligence control wind, reduces the influence to other region volume of air supply of mine, play safety assurance.
The present invention, in case of the unexpected external power supply power down of fire alarm, automatically switches to electricity using outer simultaneous battery power supply of powering
Pond power supply state guarantees that air quantity is adjusted, and avoids that quadratic risk function occurs.The present invention can match cell phone terminal outside, realize prison in real time
Control, failure sends warning message to mobile phone terminal automatically, is convenient for timely system maintenance, if there is fire alarm, reminds in time related
Administrative staff carry out decision in time.
The regulation wind window structure that the present invention uses solves the problems, such as the ventilation automatic adjustment that live wind pressure is big, humidity is big, curtain
Piece uses the aluminum alloy materials of lightweight bilayer buckle, adds between buckle and covers flame retardant rubber sealing strip, buried type guide rail adds resistance
Rubber seal is fired, the roller shutter surface of regulation wind window is covered with one layer of glass fabric for being coated with flame retardant rubber, reduces and leak out
Amount and whole plate face weight, have resistance to wind pressure, anticorrosive, high temperature resistant and flame retardant efficiency.
Detailed description of the invention
Fig. 1 is the operation schematic diagram of belt conveyor fire smoke flow drainage device of the invention；
Fig. 2 is PLC control cabinet assembling schematic diagram of the present invention；
Fig. 3 is regulation wind window structural schematic diagram of the present invention
In figure: 1, the first smoke sensor device；2, the first CO sensor；3, the second smoke sensor device；4, the 2nd CO sensor；
5, Bidirectional wind speed instrument；6, control cabinet；7, the first regulation wind window；8, the second regulation wind window；9, motor；10, retarder；11, it passes
Moving axis；12, spool；13, sheath；14, tail plug；15, guiding device；16, end casing；17, housing；18, fixing bolt；19, it leads
Rail；20, wool top；21, upper limit switch；22, curtain sheet；23, sealing joint strip；24, bottom beam；25, bottom beam sealing strip；26, lower limit
Switch；27, belt conveyor tunnel；28, return aircourse；
Specific embodiment
In order to which the plume for solving to generate when fire occurs for rubber conveyer in currently available technology enters each working face, this
Invention proposes a kind of rubber conveyer fire smoke flow drainage device and method, the present invention, can by the real time monitoring of sensor
It realizes automatic adjustment air regulator size, realizes the automatic jet function of Emergency Ventilating Current, improve the safety of the mine fire disaster relief.
As shown in Figure 1-3, for a kind of belt conveyor fire smoke flow drainage device of the invention and method.
A kind of rubber conveyer fire smoke flow drainage device, including the first smoke sensor device 1, the first CO sensor 2, second
Smoke sensor device 3, the 2nd CO sensor 4, Bidirectional wind speed instrument 5, control cabinet 6, regulation wind window；First smoke sensor device 1, the first CO
Sensor 2, the second smoke sensor device 3, the 2nd CO sensor 4, Bidirectional wind speed instrument 5 are set to 27 in belt conveyor tunnel；The
One smoke sensor device 1 and the first CO sensor 2 are arranged side by side in the lower wind direction of the normal wind direction of Bidirectional wind speed instrument 5, the second smog
Sensor 3 and the 2nd CO sensor 4 are arranged side by side in the upwind of the normal wind direction of Bidirectional wind speed instrument 5；Control cabinet 6 and adjusting wind
Window is set to inside return aircourse 28；First smoke sensor device 1, the first CO sensor 2, the second smoke sensor device 3, the 2nd CO are passed
Sensor 4, Bidirectional wind speed instrument 5 are connect with control cabinet 6, and control cabinet 6 carries out opening and closing adjusting to regulation wind window according to sensor signal
Control.
In one or more embodiments, the second smoke sensor device 3 and the 2nd CO sensor 4 are set to and return aircourse 28
In the corresponding belt conveyor tunnel 27 of entrance；Alternatively, the second smoke sensor device 3 and the 2nd CO sensor 4 are set to adhesive tape fortune
At the upwind of the normal wind direction of 28 entrance of return aircourse in defeated machine tunnel 2.
In one or more embodiments, control cabinet 6 is PLC control cabinet, and PLC control cabinet is set to the side of return aircourse 28
On wall.
In one or more embodiments, PLC control cabinet further includes mine explosion-suppression intrinsic safety type PLC controller, mine intrinsic safety
Type radio-frequency module, CAN bus module, Mine-used I. S transformer, flame-proof mine control button, is prevented sensor acquisition module
The uninterrupted DC power supply of quick-fried solenoid valve, flame-proof electric motor, mine intrinsic safety, the Mine-used I. S network switch and monitoring host computer.
In one or more embodiments, regulation wind window is installed on the air door wall of return aircourse 28, and regulation wind window includes
The first regulation wind window 7 and the second regulation wind window 8 of setting spaced apart are moved towards along return aircourse 28.
In one or more embodiments, regulation wind window includes motor 9, retarder 10, transmission shaft 11, spool 12, shield
Set 13, tail plug 14, guiding device 15, end casing 16, housing 17, fixing bolt 18, guide rail 19, wool top 20, upper limit switch 21,
Curtain sheet 22, sealing joint strip 23, bottom beam 24, bottom beam sealing strip 25, lower position switch 26；9 end of motor and end casing 16 are distinguished
The two sides of air door wall are fixed on, motor 9 is connect by retarder 10 with transmission shaft 11, and fixing sleeve is equipped with spool on transmission shaft 11
12,12 other end of spool is connect by tail plug 14 with the guiding device 15 on end casing 16, is arranged at intervals with sheath on spool 12
13；Motor 9, transmission shaft 11, is provided with housing 17 on the outside of spool 12 at retarder 10；Air door wall two sides pass through fixed spiral shell respectively
Bolt 18 is provided with guide rail 19, and 19 internal periphery of guide rail is provided with wool top 20；Curtain is connected by upper limit switch 21 on the downside of spool 12
Piece 22, lower side curtain sheet are connect with bottom beam 24, and bottom beam sealing strip 25 is provided on bottom beam 24, and 24 lower part of bottom beam is provided with lower limit
Switch 26；By holding card to protrude into inside guide rail 19, curtain sheet 22 is internally provided with heat-barrier material at curtain sheet 22 both ends, between adjacent curtain sheet
It is provided with sealing strip.
In one or more embodiments, curtain sheet 22 is made of the double-deck buckle light aluminum alloy material, and heat-barrier material is glass
Glass fiber and ceramic fibre, sealing strip is flame retardant rubber sealing strip between curtain sheet 22；Guide rail 19 is buried type guide rail, and wool top 20 is
Flame retardant rubber is made；The roller shutter surface of regulation wind window is covered with one layer of glass fabric for being coated with flame retardant rubber, regulation wind window
It is greater than the tunnel of 400Pa suitable for both ends pressure difference.
A kind of rubber conveyer fire smoke flow drainage method, including, by be set in belt conveyor tunnel second
In 4 real-time monitoring tunnel of smoke sensor device 3 and the 2nd CO sensor it is distinguished and admirable in smog and CO concentration, determine adhesive tape occur fire
Signal is issued by PLC control cabinet afterwards, motor 9 is in automatic opening return aircourse to open regulation wind window；When Bidirectional wind speed instrument 5
Occur reversed distinguished and admirable, and to reach safety dense for the smog that monitors of the first smoke sensor device 1 and the first CO sensor 2 and CO concentration
When below degree, stop motor operation, guarantees that stream containing flue gas is directed directly in return aircourse；When the second smoke sensor device 3 and
After two CO sensors 4 monitor that distinguished and admirable middle smog and CO concentration reach safe concentration in belt conveyor tunnel, PLC control cabinet hair
Signal control motor reversion out, closes regulation wind window.
In one or more embodiments, the safe concentration threshold value of smog and CO concentration is 30ppm and 5%obs/m, when the
Two smoke sensor devices 3 monitor that smokescope is greater than 30ppm in tunnel or the 2nd CO sensor 4 monitors that CO concentration is big in tunnel
When 5%obs/m, PLC control cabinet controls to adjust air regulator and realizes linear open.
In one or more embodiments, the uninterrupted DC power supply of mine intrinsic safety provides electricity for PLC control cabinet all parts
Energy；Mine-used I. S transformer is motor, smoke sensor device, CO sensor and Bidirectional wind speed instrument provide electric energy.
Upper limit switch in the present invention avoids fortuitous event, and lower position switch, which controls rolling screen door decline, to be stopped.Such as Fig. 1 institute
Show, the flow direction of wind is positive shown in direction of prevailing wind arrow under normal circumstances, and the first regulation wind window 7 and the second regulation wind window 8 are in pass
Under closed state, it is negative value that Bidirectional wind speed instrument 5, which measures air speed value,.Wind direction is when being in reverse to normal wind direction, and Bidirectional wind speed instrument 5 measures wind
Speed value is positive value.
The utility model has the advantages that using a kind of rubber conveyer fire smoke flow drainage device provided by the invention and method, in adhesive tape
After fire occurs in transporter tunnel, by motor automatic start-stop, the on-demand adjusting of fire smoke flow water conservancy diversion is realized, while can subtract
The spreading range of few fire cigarette, guarantees the psychosomatic health of the other regional production personnel in underground to greatest extent, improves combating a natural disaster for mine
Ability.
The present invention uses dual sensor form, improves fire source and occurs to determine the reliability of detection.If current underground occurs
Fire alarm needs artificial scene switch return aircourse damper, risk can be made to expand, the personal safety of Field Force is also difficult to
To guarantee, rubber conveyer fire smoke flow drainage device of the invention and method use automatic executing agency to be not necessarily to human intervention,
It realizes intelligence control wind, reduces the influence to other region volume of air supply of mine, play safety assurance.
The present invention, in case of the unexpected external power supply power down of fire alarm, automatically switches to electricity using outer simultaneous battery power supply of powering
Pond power supply state guarantees that air quantity is adjusted, and avoids that quadratic risk function occurs.The present invention can match cell phone terminal outside, realize prison in real time
Control, failure sends warning message to mobile phone terminal automatically, is convenient for timely system maintenance, if there is fire alarm, reminds in time related
Administrative staff carry out decision in time.
The regulation wind window structure that the present invention uses solves the problems, such as the ventilation automatic adjustment that live wind pressure is big, humidity is big, curtain
Piece uses the aluminum alloy materials of lightweight bilayer buckle, adds between buckle and covers flame retardant rubber sealing strip, buried type guide rail adds resistance
Rubber seal is fired, the roller shutter surface of regulation wind window is covered with one layer of glass fabric for being coated with flame retardant rubber, reduces and leak out
Amount and whole plate face weight, have resistance to wind pressure, anticorrosive, high temperature resistant and flame retardant efficiency.
Claims (10)
1. a kind of rubber conveyer fire smoke flow drainage device, which is characterized in that including the first smoke sensor device (1), the first CO
Sensor (2), the second smoke sensor device (3), the 2nd CO sensor (4), Bidirectional wind speed instrument (5), control cabinet (6), regulation wind window；
First smoke sensor device (1), the first CO sensor (2), the second smoke sensor device (3), the 2nd CO sensor (4), Bidirectional wind speed
Instrument (5) is set in belt conveyor tunnel；First smoke sensor device (1) and the first CO sensor (2) are arranged side by side in two-way
The lower wind direction of the normal wind direction of anemobiagraph (5), the second smoke sensor device (3) and the 2nd CO sensor (4) are arranged side by side in two-way
The upwind of the normal wind direction of anemobiagraph (5)；Control cabinet (6) and regulation wind window are set to inside return aircourse；First smog passes
Sensor (1), the first CO sensor (2), the second smoke sensor device (3), the 2nd CO sensor (4), Bidirectional wind speed instrument (5) with control
Cabinet (6) connection processed, control cabinet (6) carry out opening and closing to regulation wind window according to sensor signal and adjust control.
2. a kind of rubber conveyer fire smoke flow drainage device according to claim 1, which is characterized in that the second smog passes
Sensor (3) and the 2nd CO sensor (4) are set in belt conveyor corresponding with return aircourse entrance tunnel；Alternatively, second
Smoke sensor device (3) and the 2nd CO sensor (4) are set to the normal wind direction of the return aircourse entrance in belt conveyor tunnel
Upwind at.
3. a kind of rubber conveyer fire smoke flow drainage device according to claim 1, which is characterized in that control cabinet is
PLC control cabinet, PLC control cabinet are set on the side wall of return aircourse.
4. a kind of rubber conveyer fire smoke flow drainage device according to claim 3, which is characterized in that PLC control cabinet
Further include mine explosion-suppression intrinsic safety type PLC controller, Mine-used I. S radio-frequency module, sensor acquisition module, CAN bus module,
Mine-used I. S transformer, flame-proof mine control button, explosion-proof solenoid valve, flame-proof electric motor, the uninterrupted direct current of mine intrinsic safety
Power supply, the Mine-used I. S network switch and monitoring host computer.
5. a kind of rubber conveyer fire smoke flow drainage device according to claim 1 or 2, which is characterized in that adjust wind
Window is installed on the air door wall of return aircourse, and regulation wind window includes moving towards the first of setting spaced apart along return aircourse to adjust
Save air regulator (7) and the second regulation wind window (8).
6. a kind of rubber conveyer fire smoke flow drainage device according to claim 5, which is characterized in that regulation wind window packet
Include motor (9), retarder (10), transmission shaft (11), spool (12), sheath (13), tail plug (14), guiding device (15), end
Cover board (16), housing (17), fixing bolt (18), guide rail (19), wool top (20), upper limit switch (21), curtain sheet (22), sealing
Adhesive tape (23), bottom beam (24), bottom beam sealing strip (25), lower position switch (26)；Motor end and end casing are individually fixed in
The two sides of air door wall, motor is by retarder and is driven axis connection, and fixing sleeve is equipped with spool on transmission shaft, and the spool other end is logical
It crosses tail plug to connect with the guiding device on end casing, sheath is arranged at intervals on spool；Motor, retarder, transmission shaft, spool
Outside is provided with housing；Air door wall two sides pass through fixing bolt respectively and are provided with guide rail, and guide rail internal periphery is provided with wool top；Volume
Curtain sheet is connected by upper limit switch on the downside of axis, lower side curtain sheet is connect with bottom beam, and bottom beam sealing strip, bottom beam are provided on bottom beam
Lower part is provided with lower position switch；By holding card to protrude into guide rail interior, curtain sheet is internally provided with heat-barrier material, adjacent at curtain sheet both ends
Sealing strip is provided between curtain sheet.
7. a kind of rubber conveyer fire smoke flow drainage device according to claim 6, which is characterized in that curtain sheet is bilayer
Buckle light aluminum alloy material is made, and heat-barrier material is glass fibre and ceramic fibre, and sealing strip is flame retardant rubber between curtain sheet
Sealing strip；Guide rail is buried type guide rail, and wool top is made of flame retardant rubber；The roller shutter surface of regulation wind window is covered with one layer and is coated with
The glass fabric of flame retardant rubber, regulation wind window are suitable for the tunnel that both ends pressure difference is greater than 400Pa.
8. a kind of rubber conveyer fire smoke flow drainage method, this method utilizes a kind of described in any item glue of claim 1-7
Band conveyer fire smoke flow drainage device is drained, which is characterized in that and this method includes,
Pass through the second smoke sensor device (3) being set in belt conveyor tunnel and the 2nd CO sensor (4) real-time monitoring lane
In road it is distinguished and admirable in smog and CO concentration, determine adhesive tape occur fire after by PLC control cabinet issue signal, automatic opening return air
Motor (9) is in tunnel to open regulation wind window；
When Bidirectional wind speed instrument (5), appearance is reversely distinguished and admirable, and the first smoke sensor device (1) and the first CO sensor (2) monitor
Smog and CO concentration when reaching safe concentration or less, stop motor operation, guarantee that stream containing flue gas is directed directly to return aircourse
It is interior；
When the second smoke sensor device (3) and the 2nd CO sensor (4) monitor distinguished and admirable middle smog and CO in belt conveyor tunnel
After concentration reaches safe concentration, PLC control cabinet issues signal control motor reversion, closes regulation wind window.
9. a kind of rubber conveyer fire smoke flow drainage method according to claim 8, which is characterized in that smog and CO are dense
The safe concentration threshold value of degree is 30ppm and 5%obs/m, when the second smoke sensor device (3) monitors that smokescope is greater than in tunnel
When 30ppm or the 2nd CO sensor (4) monitor that CO concentration is greater than 5%obs/m in tunnel, PLC control cabinet controls to adjust air regulator
Realize linear open.
10. a kind of rubber conveyer fire smoke flow drainage method according to claim 9, which is characterized in that mine intrinsic safety
Uninterrupted DC power supply provides electric energy for PLC control cabinet all parts；Mine-used I. S transformer is motor, smog sensing
Device, CO sensor and Bidirectional wind speed instrument provide electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513918.9A CN110145355B (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device and method for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513918.9A CN110145355B (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device and method for belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145355A true CN110145355A (en) | 2019-08-20 |
| CN110145355B CN110145355B (en) | 2024-05-17 |
Family
ID=67591377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910513918.9A Active CN110145355B (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device and method for belt conveyor |
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| CN116678916A (en) * | 2023-08-04 | 2023-09-01 | 中国矿业大学(北京) | Forest fire spreading monitoring system and method based on fuel bed |
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