CN210509262U - Fire smoke flow drainage device of belt conveyor - Google Patents
Fire smoke flow drainage device of belt conveyor Download PDFInfo
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- CN210509262U CN210509262U CN201920892839.9U CN201920892839U CN210509262U CN 210509262 U CN210509262 U CN 210509262U CN 201920892839 U CN201920892839 U CN 201920892839U CN 210509262 U CN210509262 U CN 210509262U
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Abstract
In order to solve among the prior art at present the belt conveyor when taking place the conflagration smoke flow get into each working face, the utility model provides a belt conveyor conflagration smoke flow drainage device, the utility model discloses a real time monitoring of sensor can realize automatically regulated wind window area size, realizes the automatic drainage function of catastrophe wind current, improves the security of mine conflagration relief disaster.
Description
Technical Field
The utility model belongs to the technical field of colliery fire prevention and cure, especially, relate to a belt conveyor conflagration plume drainage device.
Background
The head and tail of the rubber belt conveyor are easy to generate fire due to friction, a large amount of toxic and harmful gases such as HCL, hydrocyanic acid, unsaturated hydrocarbon, CO and the like can be generated in the burning process of the rubber belt, and after the rubber belt fire in the intake air flow occurs, if the disaster relief is not timely or the method is not proper, the toxic smoke flow rapidly flows into each working face, so that the disaster is expanded. At present, no timely and effective treatment method for the belt conveyor after a fire disaster occurs exists, the fire position can be extinguished only by manual work, a large amount of toxic and harmful gas can be generated in the fire extinguishing process, and the gas can flow into each working face along a roadway, so that a device capable of effectively guiding toxic and harmful smoke flow when the belt conveyor breaks out the fire disaster is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve among the prior art at present the belt conveyor when taking place the conflagration smoke flow get into each working face, the utility model provides a belt conveyor conflagration smoke flow drainage device, the utility model discloses a real time monitoring of sensor can realize automatically regulated wind window area size, realizes the automatic drainage function of catastrophe wind current, improves the security of mine conflagration relief disaster.
A fire smoke flow guiding device of a belt conveyor comprises a first smoke sensor, a first CO sensor, a second smoke sensor, a second CO sensor, a bidirectional anemoscope, a control cabinet and an adjusting air window; the first smoke sensor, the first CO sensor, the second smoke sensor, the second CO sensor and the bidirectional anemoscope are arranged in a tunnel of the rubber belt conveyor; the first smoke sensor and the first CO sensor are arranged in the downwind direction of the normal wind direction of the bidirectional anemoscope side by side, and the second smoke sensor and the second CO sensor are arranged in the upwind direction of the normal wind direction of the bidirectional anemoscope side by side; the control cabinet and the adjusting air window are arranged in the return air roadway; the first smoke sensor, the first CO sensor, the second smoke sensor, the second CO sensor and the bidirectional anemoscope are all connected with the control cabinet, and the control cabinet is used for carrying out opening and closing adjustment control on the adjusting air window according to sensor signals.
Further, a second smoke sensor and a second CO sensor are arranged in the rubber belt conveyor roadway corresponding to the inlet of the return air roadway; or the second smoke sensor and the second CO sensor are arranged at the upwind position of the normal wind direction of the inlet of the return air tunnel in the rubber belt conveyor tunnel.
Furthermore, the switch board is the PLC switch board, and the PLC switch board sets up on the lateral wall in return air tunnel.
Further, the PLC control cabinet further comprises a mining explosion-proof intrinsic safety type PLC controller, a mining intrinsic safety type radio frequency module, a sensor acquisition module, a CAN bus module, a mining intrinsic safety type transformer, a mining explosion-proof type control button, an explosion-proof electromagnetic valve, an explosion-proof motor, a mining intrinsic safety uninterrupted direct current power supply, a mining intrinsic safety type network switch and a monitoring host.
Furthermore, adjust the wind window and install on the air door wall in return air tunnel, adjust the wind window and include the first regulation wind window and the second regulation wind window that move towards the certain distance setting of interval along return air tunnel.
Furthermore, the adjusting air window comprises a motor, a speed reducer, a transmission shaft, a scroll, a sheath, a tail plug, a guide device, an end cover plate, a housing, a fixing bolt, a guide rail, a wool top, an upper limit switch, a curtain sheet, a sealing rubber strip, a bottom beam sealing strip and a lower limit switch; the end part and the end cover plate of the motor are respectively fixed on two sides of the air door wall, the motor is connected with the transmission shaft through the speed reducer, a scroll is fixedly sleeved on the transmission shaft, the other end of the scroll is connected with the guide device on the end cover plate through a tail plug, and a sheath is arranged on the scroll at intervals; the outer sides of the motor, the speed reducer, the transmission shaft and the scroll are provided with a housing; guide rails are arranged on two sides of the air door wall through fixing bolts respectively, and wool tops are arranged on the outer edges of the inner sides of the guide rails; the lower side of the scroll is connected with a curtain sheet through an upper limit switch, the curtain sheet at the lowest side is connected with a bottom beam, a bottom beam sealing strip is arranged on the bottom beam, and a lower limit switch is arranged at the lower part of the bottom beam; the two ends of the curtain sheets extend into the guide rail through the end clamps, heat insulation materials are arranged in the curtain sheets, and sealing strips are arranged between the adjacent curtain sheets.
Further, the curtain sheets are made of double-layer buckle light aluminum alloy materials, heat insulation materials are glass fibers and ceramic fibers, and sealing strips between the curtain sheets are flame-retardant rubber sealing strips; the guide rail is a buried guide rail, and the wool tops are made of flame-retardant rubber; the surface of the roller shutter of the adjusting air window is covered with a layer of glass fiber cloth coated with flame retardant rubber, and the adjusting air window is suitable for roadways with the pressure difference between two ends being larger than 400 Pa.
Has the advantages that:
utilize the utility model provides a pair of adhesive tape conveyor conflagration plume drainage device takes place the fire disaster back in the adhesive tape conveyor tunnel, opens through the motor is automatic to open and stop, realizes adjusting as required of conflagration plume water conservancy diversion, and the extension scope of reducible fire smoke simultaneously, furthest's assurance other regional producers' in the pit are healthy, improve the anti calamity ability of mine.
The utility model discloses a two sensor forms improve the reliability that the fire source takes place to judge the detection. If take place the fire alarm in the pit at present, need artificial on-the-spot switch return air tunnel air damper, can make the risk enlarge, on-the-spot personnel's personal safety also is difficult to obtain the assurance, the utility model discloses a band conveyer conflagration plume drainage device adopts automatic actuating mechanism to need not artificial intervention, realizes intelligent accuse wind, reduces the influence to other regional air supplies of mine, plays the safety guarantee.
The utility model discloses a power supply and battery power supply outside, if the sudden external power source of fire alarm falls the electricity, automatic switch-over to battery powered state guarantees air regulation, avoids taking place the secondary risk. The utility model discloses can join in marriage mobile phone terminal outward, realize real time monitoring, the trouble is automatic to send alarm information to mobile phone terminal, and the timely system maintenance of being convenient for if the fire alarm appears, in time reminds relevant managers in time to make a decision.
The utility model discloses an adjust wind window structure solved that on-the-spot wind pressure is big, the big ventilation automatically regulated problem of humidity, the curtain piece has adopted the aluminum alloy material of the double-deck buckle of light, covers the flame retardant rubber sealing strip between the buckle, it is sealed to set up flame retardant rubber to bury formula guide rail, the book curtain surface covering who adjusts the wind window has the glass fiber cloth that the one deck coating has flame retardant rubber, has reduced the volume of leaking wind and whole face weight, has resistant wind pressure, anticorrosive, high temperature resistant and fire-retardant efficiency.
Drawings
FIG. 1 is a schematic view of the belt conveyor fire smoke stream diversion apparatus of the present invention;
FIG. 2 is a schematic view of an assembly of a PLC control cabinet according to the present invention;
FIG. 3 is a schematic view of an adjustable air window of the present invention
In the figure: 1. a first smoke sensor; 2. a first CO sensor; 3. a second smoke sensor; 4. a second CO sensor; 5. a bi-directional anemometer; 6. a control cabinet; 7. a first adjusting air window; 8. a second adjusting air window; 9. an electric motor; 10. a speed reducer; 11. A drive shaft; 12. a reel; 13. a sheath; 14. a tail plug; 15. a guide device; 16. an end cover plate; 17. a housing; 18. fixing the bolt; 19. a guide rail; 20. wool tops; 21. an upper limit switch; 22. a curtain sheet; 23. sealing rubber strips; 24. a bottom beam; 25. A sill seal; 26. a lower limit switch; 27. a rubber belt conveyor roadway; 28. an air return roadway;
Detailed Description
In order to solve among the prior art at present the belt conveyor when taking place the conflagration smoke flow get into each working face, the utility model provides a belt conveyor conflagration smoke flow drainage device, the utility model discloses a real time monitoring of sensor can realize automatically regulated wind window area size, realizes the automatic drainage function of catastrophe wind current, improves the security of mine conflagration relief disaster. As shown in figures 1-3, the utility model relates to a fire smoke flow guiding device of a belt conveyor.
A fire smoke flow drainage device of a belt conveyor comprises a first smoke sensor 1, a first CO sensor 2, a second smoke sensor 3, a second CO sensor 4, a bidirectional anemoscope 5, a control cabinet 6 and an adjusting air window; the first smoke sensor 1, the first CO sensor 2, the second smoke sensor 3, the second CO sensor 4 and the bidirectional anemoscope 5 are arranged in a tunnel of the rubber belt conveyor; the first smoke sensor 1 and the first CO sensor 2 are arranged in the downwind direction of the normal wind direction of the bidirectional anemoscope 5 side by side, and the second smoke sensor 3 and the second CO sensor 4 are arranged in the upwind direction of the normal wind direction of the bidirectional anemoscope 5 side by side; the control cabinet 6 and the adjusting air window are arranged in the return air tunnel; the first smoke sensor 1, the first CO sensor 2, the second smoke sensor 3, the second CO sensor 4 and the bidirectional anemoscope 5 are all connected with the control cabinet 6, and the control cabinet 6 is used for opening and closing adjustment control over the adjusting air window according to sensor signals.
In one or more embodiments, the second smoke sensor 3 and the second CO sensor 4 are disposed in the rubber belt conveyor tunnel corresponding to the return air tunnel entrance; or the second smoke sensor 3 and the second CO sensor 4 are arranged at the upwind position of the normal wind direction of the inlet of the return air tunnel in the rubber belt conveyor tunnel.
In one or more embodiments, the control cabinet is a PLC control cabinet, and the PLC control cabinet is disposed on a side wall of the return air roadway.
In one or more embodiments, the PLC control cabinet further includes a mining explosion-proof intrinsically safe PLC controller, a mining intrinsically safe radio frequency module, a sensor acquisition module, a CAN bus module, a mining intrinsically safe transformer, a mining explosion-proof control button, an explosion-proof electromagnetic valve, an explosion-proof motor, a mining intrinsically safe uninterruptible direct current power supply, a mining intrinsically safe network switch, and a monitoring host.
In one or more embodiments, the adjusting air window is installed on an air door wall of the return air tunnel, and the adjusting air window comprises a first adjusting air window 7 and a second adjusting air window 8 which are arranged at a certain distance along the trend of the return air tunnel.
In one or more embodiments, the adjusting wind window comprises a motor 9, a speed reducer 10, a transmission shaft 11, a reel 12, a sheath 13, a tail plug 14, a guide device 15, an end cover plate 16, a cover shell 17, a fixing bolt 18, a guide rail 19, a wool top 20, an upper limit switch 21, a curtain sheet 22, a sealing rubber strip 23, a bottom beam 24, a bottom beam sealing strip 25 and a lower limit switch 26; the end part and the end cover plate of the motor are respectively fixed on two sides of the air door wall, the motor is connected with the transmission shaft through the speed reducer, a scroll is fixedly sleeved on the transmission shaft, the other end of the scroll is connected with the guide device on the end cover plate through a tail plug, and a sheath is arranged on the scroll at intervals; the outer sides of the motor, the speed reducer, the transmission shaft and the scroll are provided with a housing; guide rails are arranged on two sides of the air door wall through fixing bolts respectively, and wool tops are arranged on the outer edges of the inner sides of the guide rails; the lower side of the scroll is connected with a curtain sheet through an upper limit switch, the curtain sheet at the lowest side is connected with a bottom beam, a bottom beam sealing strip is arranged on the bottom beam, and a lower limit switch is arranged at the lower part of the bottom beam; the two ends of the curtain sheets extend into the guide rail through the end clamps, heat insulation materials are arranged in the curtain sheets, and sealing strips are arranged between the adjacent curtain sheets.
In one or more embodiments, the curtain sheets are made of double-layer buckle plate light aluminum alloy materials, the heat insulation materials are glass fibers and ceramic fibers, and the sealing strips between the curtain sheets are flame-retardant rubber sealing strips; the guide rail is a buried guide rail, and the wool tops are made of flame-retardant rubber; the surface of the roller shutter of the adjusting air window is covered with a layer of glass fiber cloth coated with flame retardant rubber, and the adjusting air window is suitable for roadways with the pressure difference between two ends being larger than 400 Pa.
The utility model discloses a specific drainage method of sticky tape conveyer conflagration plume drainage device as follows: the method comprises the steps of monitoring the smoke and CO concentration in wind flow in a tunnel in real time through a second smoke sensor 3 and a second CO sensor 4 which are arranged in the tunnel of the rubber belt conveyor, sending a signal through a PLC (programmable logic controller) control cabinet after judging that the rubber belt is in a fire disaster, and automatically starting a motor 9 in a return air tunnel to open an adjusting air window; when a reverse airflow occurs in the bidirectional anemoscope 5 and the concentrations of the smoke and the CO monitored by the first smoke sensor 1 and the first CO sensor 2 reach below the safe concentration, the motor stops running to ensure that the fume-containing airflow is directly led into a return air tunnel; when the second smoke sensor 3 and the second CO sensor 4 monitor that the smoke and CO concentration in the air current in the lane of the rubber belt conveyor reach the safe concentration, the PLC control cabinet sends a signal to control the motor to rotate reversely, and the adjusting air window is closed.
The safe concentration threshold values of the smoke and CO concentrations are 30ppm and 5% obs/m, and when the second smoke sensor 3 monitors that the smoke concentration in the roadway is greater than 30ppm or the second CO sensor 4 monitors that the CO concentration in the roadway is greater than 5% obs/m, the PLC control cabinet controls and adjusts the air window to achieve linear opening.
The mining intrinsic safety uninterrupted direct current power supply provides electric energy for each part of the PLC control cabinet; the mining intrinsic safety type transformer provides electric energy for the motor, the smoke sensor, the CO sensor and the bidirectional anemoscope.
The utility model provides an go up limit switch and avoid the unexpected condition, limit switch control rolling slats door descends to stop down. As shown in fig. 1, in a normal condition, the flow direction of wind is indicated by a normal wind direction arrow, the first adjusting wind window 7 and the second adjusting wind window 8 are in a closed state, and the wind speed value measured by the bidirectional anemometer 5 is a negative value. When the wind direction is opposite to the normal wind direction, the wind speed value measured by the bidirectional anemometer 5 is a positive value.
Has the advantages that: utilize the utility model provides a pair of adhesive tape conveyor conflagration plume drainage device takes place the fire disaster back in the adhesive tape conveyor tunnel, opens through the motor is automatic to open and stop, realizes adjusting as required of conflagration plume water conservancy diversion, and the extension scope of reducible fire smoke simultaneously, furthest's assurance other regional producers' in the pit are healthy, improve the anti calamity ability of mine.
The utility model discloses a two sensor forms improve the reliability that the fire source takes place to judge the detection. If take place the fire alarm in the pit at present, need artificial on-the-spot switch return air tunnel air damper, can make the risk enlarge, on-the-spot personnel's personal safety also is difficult to obtain the assurance, the utility model discloses a band conveyer conflagration plume drainage device adopts automatic actuating mechanism to need not artificial intervention, realizes intelligent accuse wind, reduces the influence to other regional air supplies of mine, plays the safety guarantee.
The utility model discloses a power supply and battery power supply outside, if the sudden external power source of fire alarm falls the electricity, automatic switch-over to battery powered state guarantees air regulation, avoids taking place the secondary risk. The utility model discloses can join in marriage mobile phone terminal outward, realize real time monitoring, the trouble is automatic to send alarm information to mobile phone terminal, and the timely system maintenance of being convenient for if the fire alarm appears, in time reminds relevant managers in time to make a decision.
The utility model discloses an adjust wind window structure solved that on-the-spot wind pressure is big, the big ventilation automatically regulated problem of humidity, the curtain piece has adopted the aluminum alloy material of the double-deck buckle of light, covers the flame retardant rubber sealing strip between the buckle, it is sealed to set up flame retardant rubber to bury formula guide rail, the book curtain surface covering who adjusts the wind window has the glass fiber cloth that the one deck coating has flame retardant rubber, has reduced the volume of leaking wind and whole face weight, has resistant wind pressure, anticorrosive, high temperature resistant and fire-retardant efficiency.
Claims (7)
1. A fire smoke flow drainage device of a belt conveyor is characterized by comprising a first smoke sensor (1), a first CO sensor (2), a second smoke sensor (3), a second CO sensor (4), a bidirectional anemoscope (5), a control cabinet (6) and an adjusting air window; the first smoke sensor (1), the first CO sensor (2), the second smoke sensor (3), the second CO sensor (4) and the bidirectional anemoscope (5) are arranged in a tunnel of the rubber belt conveyor; the first smoke sensor (1) and the first CO sensor (2) are arranged in a downwind direction of a normal wind direction of the bidirectional anemoscope (5) side by side, and the second smoke sensor (3) and the second CO sensor (4) are arranged in an upwind direction of the normal wind direction of the bidirectional anemoscope (5) side by side; the control cabinet (6) and the adjusting air window are arranged in the return air roadway; the first smoke sensor (1), the first CO sensor (2), the second smoke sensor (3), the second CO sensor (4) and the bidirectional anemoscope (5) are all connected with the control cabinet (6), and the control cabinet (6) is used for opening and closing the adjusting air window according to sensor signals.
2. The fire smoke flow guiding device of the belt conveyor according to claim 1, wherein the second smoke sensor (3) and the second CO sensor (4) are arranged in a belt conveyor roadway corresponding to an inlet of a return air roadway; or the second smoke sensor (3) and the second CO sensor (4) are arranged at the upwind position of the normal wind direction of the inlet of the return air tunnel in the rubber belt conveyor tunnel.
3. The fire smoke flow guiding device of the belt conveyor as claimed in claim 1, wherein the control cabinet is a PLC control cabinet, and the PLC control cabinet is disposed on a side wall of the return air tunnel.
4. The fire smoke flow guiding device of the belt conveyor according to claim 3, wherein the PLC control cabinet further comprises a mining explosion-proof intrinsically safe PLC controller, a mining intrinsically safe radio frequency module, a sensor acquisition module, a CAN bus module, a mining intrinsically safe transformer, a mining explosion-proof control button, an explosion-proof electromagnetic valve, an explosion-proof motor, a mining intrinsically safe uninterrupted direct current power supply, a mining intrinsically safe network switch and a monitoring host.
5. The fire smoke flow guiding device of the belt conveyor as claimed in claim 1 or 2, wherein the adjusting air window is mounted on an air door wall of the return air tunnel, and the adjusting air window comprises a first adjusting air window (7) and a second adjusting air window (8) which are arranged at a certain distance along the trend of the return air tunnel.
6. The fire smoke flow guiding device of the belt conveyor according to claim 5, wherein the adjusting air window comprises a motor (9), a speed reducer (10), a transmission shaft (11), a reel (12), a sheath (13), a tail plug (14), a guiding device (15), an end cover plate (16), a housing (17), a fixing bolt (18), a guide rail (19), a wool top (20), an upper limit switch (21), a curtain sheet (22), a sealing rubber strip (23), a bottom beam (24), a bottom beam sealing strip (25) and a lower limit switch (26); the end part and the end cover plate of the motor are respectively fixed on two sides of the air door wall, the motor is connected with the transmission shaft through the speed reducer, a scroll is fixedly sleeved on the transmission shaft, the other end of the scroll is connected with the guide device on the end cover plate through a tail plug, and a sheath is arranged on the scroll at intervals; the outer sides of the motor, the speed reducer, the transmission shaft and the scroll are provided with a housing; guide rails are arranged on two sides of the air door wall through fixing bolts respectively, and wool tops are arranged on the outer edges of the inner sides of the guide rails; the lower side of the scroll is connected with a curtain sheet through an upper limit switch, the curtain sheet at the lowest side is connected with a bottom beam, a bottom beam sealing strip is arranged on the bottom beam, and a lower limit switch is arranged at the lower part of the bottom beam; the two ends of the curtain sheets extend into the guide rail through the end clamps, heat insulation materials are arranged in the curtain sheets, and sealing strips are arranged between the adjacent curtain sheets.
7. The fire smoke flow guiding device of the belt conveyor as claimed in claim 6, wherein the curtain sheets are made of light aluminum alloy material with double-layer pinch plates, the heat insulating material is glass fiber and ceramic fiber, and the sealing strips between the curtain sheets are flame-retardant rubber sealing strips; the guide rail is a buried guide rail, and the wool tops are made of flame-retardant rubber; the surface of the roller shutter of the adjusting air window is covered with a layer of glass fiber cloth coated with flame retardant rubber, and the adjusting air window is suitable for roadways with the pressure difference between two ends being larger than 400 Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892839.9U CN210509262U (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device of belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892839.9U CN210509262U (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device of belt conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN210509262U true CN210509262U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892839.9U Expired - Fee Related CN210509262U (en) | 2019-06-14 | 2019-06-14 | Fire smoke flow drainage device of belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145355A (en) * | 2019-06-14 | 2019-08-20 | 华北理工大学 | A kind of rubber conveyer fire smoke flow drainage device and method |
-
2019
- 2019-06-14 CN CN201920892839.9U patent/CN210509262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145355A (en) * | 2019-06-14 | 2019-08-20 | 华北理工大学 | A kind of rubber conveyer fire smoke flow drainage device and method |
| CN110145355B (en) * | 2019-06-14 | 2024-05-17 | 华北理工大学 | Fire smoke flow drainage device and method for belt conveyor |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20210614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |