CN111520179A - Mining intrinsic safety smoke control device - Google Patents

Mining intrinsic safety smoke control device Download PDF

Info

Publication number
CN111520179A
CN111520179A CN202010427423.7A CN202010427423A CN111520179A CN 111520179 A CN111520179 A CN 111520179A CN 202010427423 A CN202010427423 A CN 202010427423A CN 111520179 A CN111520179 A CN 111520179A
Authority
CN
China
Prior art keywords
smoke
dust
controller
receiver
cabin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010427423.7A
Other languages
Chinese (zh)
Other versions
CN111520179B (en
Inventor
胡长岭
刘新
蒋运生
孙梨
郑自强
王昊
姜乐
张翔宇
周玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Baolong Electric Co ltd
Original Assignee
Anhui Baolong Electric Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Baolong Electric Co ltd filed Critical Anhui Baolong Electric Co ltd
Priority to CN202010427423.7A priority Critical patent/CN111520179B/en
Priority claimed from CN202010427423.7A external-priority patent/CN111520179B/en
Publication of CN111520179A publication Critical patent/CN111520179A/en
Application granted granted Critical
Publication of CN111520179B publication Critical patent/CN111520179B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/04Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour through foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/62Carbon oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • B01D53/82Solid phase processes with stationary reactants
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/20Drawing-off or depositing dust
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/502Carbon monoxide

Abstract

The invention discloses a mining intrinsic safety smoke control device which comprises a smoking machine, wherein a distinguishing mechanism is fixedly arranged on the lower surface of the left side of the smoking machine, a controller is fixedly arranged on the upper surface of the smoking machine, the output end of the smoking machine is connected with a processing mechanism through a smoke guide pipe, and the output end of the processing mechanism is connected with a smoke outlet mechanism through a smoke guide pipe. According to the intrinsic safety smoke control device for the mine, the situation that misjudgment occurs to the smoke control device due to more dust water mist in the mine can be effectively prevented through the arranged distinguishing mechanism and the arranged processing mechanism, the smoke control device can be effectively processed aiming at the characteristics of smoke and dust respectively, harmful substances in the smoke and the dust can be effectively processed, the automation level is high, the distinguishing mechanism capable of automatically cleaning accumulated dust is arranged, the situation that the accumulated dust blocks the second smoke inlet of the distinguishing mechanism to cause device failure can be effectively prevented, and the intrinsic safety smoke control device for the mine has good practicability and safety.

Description

Mining intrinsic safety smoke control device
Technical Field
The invention relates to the field of mining machinery, in particular to the field of a mining intrinsic safety smoke control device.
Background
In coal mining, a plurality of problems exist, how to effectively control smoke is one of the problems, and at the moment, a mine intrinsic safety smoke control device is needed.
Disclosure of Invention
The invention mainly aims to provide a mining intrinsic safety smoke control device, which can effectively solve the problems in the background technology: dust and smoke under a mine are difficult to be distinguished, and smoke easily causes misjudgment of a mine intrinsic safety smoke control device; the accumulated dust can not be automatically cleaned, and the accumulated dust is easy to block the inlet of the smoke control device, so that the device can not work normally.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a mining intrinsic safety smog controlling means, includes the smoking machine, the left fixed surface of smoking machine installs differentiates the mechanism, the last fixed surface of smoking machine installs the controller, the output of smoking machine is connected with processing mechanism through leading the tobacco pipe, processing mechanism's output is connected with out cigarette mechanism through leading the tobacco pipe, the positive fixed mounting that goes out cigarette mechanism has total smoke outlet.
Further, it is including differentiateing the cabin and leading the smoked sheet to differentiate the mechanism, the bottom fixed mounting who leads the smoked sheet has the base, the middle part fixed mounting of base has the support, the middle part of support is provided with the protection network, the middle part of support and the back that is located the protection network have seted up the second and have advanced the mouth, the protection network is suitable for and prevents the damage of hard thing in mining production to differentiating the mechanism inside, it is suitable for advancing the mouth with the leading-in second of smog to lead to the smoked sheet.
Further, the outer surface of the distinguishing cabin is provided with a first smoke inlet and a first smoke outlet, the inside of the distinguishing cabin is provided with an optical labyrinth, the first smoke inlet is suitable for smoke to enter the optical labyrinth, the first smoke inlet is communicated with the second smoke inlet, the first smoke outlet is suitable for smoke to exit the optical labyrinth, the lateral surface of the optical labyrinth is fixedly provided with an infrared transmitter, the infrared transmitter is suitable for emitting infrared rays under the control of a controller, the inner surface of the optical labyrinth is fixedly provided with a first fixed block right opposite to the infrared transmitter, one side of the first fixed block facing the infrared transmitter is fixedly provided with a first receiver, the bottom of the optical labyrinth is fixedly provided with a plurality of second fixed blocks, the upper surface of the second fixed blocks is fixedly provided with a second receiver, and the first receiver and the second receiver are suitable for receiving light rays generated by the infrared transmitter, the output ends of the first receiver and the second receiver are connected with the controller, the optical maze is suitable for enabling infrared rays emitted by the infrared emitter to be scattered under the action of smoke or dust, and due to the fact that the diameters of the smoke and dust are different, the scattering angles of the infrared rays are different, therefore, whether the smoke or the dust is generated in the mine can be identified according to the receiving conditions of the plurality of second receivers, and if the smoke or the dust is generated, a fire alarm is immediately reported.
Further, a support is fixedly arranged on the inner surface of the second smoke inlet, a reciprocating spring is fixedly arranged at the upper end of the support, an electromagnet is fixedly arranged in the middle of the support, a net-proof outer frame is fixedly arranged at one end, far away from the support, of the reciprocating spring, the inner edge of the net-proof outer frame is fixedly connected with a protective net, a pressure sensor is fixedly arranged on the outer surface of the protective net, a magnetic block is fixedly arranged in the middle of one side of the protective net, inside the second smoke inlet, the bottom of the net-proof outer frame is rotatably connected with a rotating rod, the right side of the rotating rod is fixedly connected with the bottom of the support, the electromagnet is magnetically connected with the magnetic block, the input end of the electromagnet is connected with a controller, the output end of the pressure sensor is connected with the controller, and the pressure sensor is suitable for sensing the pressure generated, therefore, the thickness of the deposited dust is distinguished, information is transmitted to the controller, the reciprocating spring is suitable for controlling the electromagnet to be powered off when the deposited dust on the outer surface of the protective net is excessive, the protective net can shake up and down under the elastic action of the reciprocating spring, the deposited dust on the protective net can be shaken off quickly, the situation that the judgment of the distinguishing mechanism is affected by the deposited dust is prevented, after the protective net shakes regularly, the electromagnet is controlled by the controller to be powered on, the magnetic block is attracted again, and the automatic magnetic block distinguishing mechanism has certain automation capacity.
Further, the front fixed mounting of controller has the data transmission mouth, the data transmission mouth is applicable to the controller and carries out data interchange with pressure sensor, first receiver and second receiver, and is suitable for the work of controller control electro-magnet, the output and the processing agency of controller are connected, the controller includes control module and discernment module, control module is suitable for the work of control pressure sensor, first receiver, second receiver, electro-magnet and processing agency, the discernment module is suitable for discerning the type of smog and dust through the scattered light signal of the receipt of first receiver and second receiver, and will discern information transmission to control module.
Further, the processing mechanism comprises a shell, a third smoke inlet is formed in the right side of the shell, the output end of the smoking machine is connected with the third smoke inlet through a gas pipe, a dust processing cabin is formed in the shell, the input end of the third smoke inlet is communicated with the dust processing cabin, the smoke processing cabin is fixedly mounted in the dust processing cabin, a first electromagnetic valve is fixedly mounted on a pipeline connected with the smoke processing cabin and the third smoke inlet, a foam inlet is fixedly mounted on the outer surface of the shell and communicated with the dust processing cabin, a second electromagnetic valve is fixedly mounted on a pipeline between the foam inlet and the dust processing cabin, the input ends of the first electromagnetic valve and the second electromagnetic valve are connected with a controller, the first electromagnetic valve is suitable for controlling smoke to enter the smoke processing cabin under the action of the controller, and dust enters the dust processing cabin, the second electromagnetic valve is suitable for controlling the foam to enter the dust treatment cabin under the action of the controller so as to absorb dust, and thus, the dust and the smoke can be treated and recovered step by step.
Further, the inside fixed mounting of smog processing cabin has hot plate and copper oxide plate, the hot plate is suitable for and heats the carbon monoxide that makes in copper oxide and the smog to the copper oxide plate and fully reacts, and increases the fusion speed of foam and dust, the copper oxide plate is suitable for and fully reacts with the carbon monoxide in the smog, the surface of casing and the left side that is located smog processing cabin have seted up the smog export, the smog export passes through the pipe connection with total outlet flue, the surface of casing and the left side that is located the dust processing cabin have seted up the dust export, the inside of casing and the below fixed mounting that is located the foam entry have the shower nozzle, the nozzle has been seted up to the below of shower nozzle, honeycomb holes have been seted up on the surface of copper oxide, honeycomb holes are suitable for the area of contact of increase copper oxide and smog, make the carbon monoxide reaction thoroughly.
Further, the mining intrinsic safety smoke control device comprises the following use steps:
a: the device is fixed on the wall surface of a mine road, the data transmission port of the controller is respectively connected with the first receiver, the second receiver, the electromagnet, the pressure sensor and the processing mechanism, when smoke or dust is generated in the mine, the smoke or dust is guided into the second smoke inlet through the smoke guide sheet, the protective net prevents hard objects in mining production from damaging the inside of the identification mechanism, infrared rays emitted by the infrared emitter are scattered under the action of smoke or dust, and because the diameters of the smoke dust are different, the scattering angles of the infrared rays are also different, therefore, whether the smoke or the dust is generated in the mine can be identified according to the receiving conditions of the plurality of second receivers, the distinguishing module distinguishes the types of the smoke and the dust through the received scattered light signals of the first receiver and the second receivers and transmits the distinguishing information to the control module, and the control module immediately alarms;
b, after the step A is finished, the first electromagnetic valve controls smoke to enter the smoke processing cabin under the action of the controller, dust enters the dust processing cabin, the second electromagnetic valve controls foam to enter the dust processing cabin under the action of the controller so as to absorb the dust, a heating plate and a copper oxide plate are fixedly arranged inside the smoke processing cabin, the heating plate heats the copper oxide plate to enable the copper oxide plate to fully react with carbon monoxide in the smoke, the fusion speed of the foam and the dust is increased, a smoke outlet is formed in the outer surface of the shell and positioned on the left side of the smoke processing cabin, the smoke is discharged out of a mine tunnel through the smoke outlet and the main smoke outlet, and the dust is discharged out of the mine tunnel through the dust outlet;
and C, after the step B is finished, when the dust on the surface of the protective net is too much, the pressure sensor senses the pressure generated by the dust on the outer surface of the protective net so as to distinguish the thickness of the dust, the information is transmitted to the controller, the controller controls the electromagnet to be powered off, the protective net shakes up and down under the elastic action of the reciprocating spring, the dust on the protective net can be shaken off quickly, the judgment of a distinguishing mechanism is prevented from being influenced by the dust, and after the electromagnet is shaken regularly, the controller controls the electromagnet to be powered on and attract the magnetic blocks again, so that certain automation capacity is achieved.
Compared with the prior art, the invention has the following beneficial effects:
1. through the distinguishing mechanism and the processing mechanism, the situation that the smoke control device is misjudged due to more dust water mist in a mine can be effectively prevented, the smoke control device can be respectively and effectively processed aiming at the characteristics of smoke and dust, harmful substances in the smoke and the dust can be effectively processed, the automation level is higher, certain creativity is achieved, when the smoke control device is used, infrared rays emitted by an infrared emitter are scattered under the action of the smoke or the dust, the scattering angles of the infrared rays are different due to different diameters of the smoke and the dust, the distinguishing module distinguishes the types of the smoke and the dust through scattered light signals received by a first receiver and a second receiver, at the moment, the dust enters a dust processing cabin, a second electromagnetic valve controls foams to enter the dust processing cabin under the action of a controller so as to absorb the dust, and a heating plate heats a copper oxide plate to enable the copper oxide to fully react with carbon monoxide in the smoke, and the fusion speed of the foam and the dust is increased, the smoke is discharged out of the ore channel through the smoke outlet and the total smoke outlet, and the dust is discharged out of the ore channel through the dust outlet, so that harmful substances in the smoke and the dust are effectively treated, and the automation level is higher.
2. But through setting up the mechanism of differentiateing of automatic clearance laying dust, can prevent effectively that the laying dust from plugging up the second that differentiateing the mechanism and advance the mouth of cigarette and lead to the device failure, better practicality and security have, when the laying dust on the surface of protection network is too much, pressure sensor experiences the pressure that the laying dust at the protection network surface produced, thereby differentiate the thickness of laying dust, and with information transmission to controller, controller control electro-magnet outage, the protection network is the shake from top to bottom under reciprocating spring's elastic action, can shake off the laying dust on the protection network fast, prevent that the laying dust from causing the influence to the judgement of differentiateing the mechanism, regularly shake the back, controller control electro-magnet connects the electricity, attract again the magnetic path, certain automation ability has.
Drawings
Fig. 1 is a schematic overall structure diagram of the mining intrinsic safety smoke control device.
Fig. 2 is a schematic structural diagram of a distinguishing mechanism of the mining intrinsic safety smoke control device.
Fig. 3 is a schematic sectional view of a distinguishing cabin of the intrinsic safety smoke control device for the mine.
Fig. 4 is a schematic partial structural sectional view of the intrinsically safe smoke control device for the mine.
Fig. 5 is an enlarged schematic view of a in fig. 2 of the mining intrinsic safety smoke control device of the invention.
Fig. 6 is a schematic longitudinal sectional view of a processing mechanism of the mining intrinsic safety smoke control device.
Fig. 7 is a transverse schematic view of a processing mechanism of the mining intrinsic safety smoke control device.
In the figure: 1. a smoking machine; 2. a discrimination mechanism; 3. a controller; 4. a cigarette discharging mechanism; 5. a processing mechanism; 201. identifying a cabin; 202. a smoke guiding sheet; 203. a base; 204. a support; 205. a protective net; 206. a first smoke inlet; 207. a first smoke outlet; 208. an optical maze; 209. an infrared emitter; 210. a first fixed block; 211. a first receiver; 212. a second fixed block; 213. a second receiver; 214. a second smoke inlet; 215. a support; 216. a reciprocating spring; 217. an electromagnet; 218. a net-proof outer frame; 219. a pressure sensor; 220. a magnetic block; 221. a rotating rod; 301. a data transmission port; 401. a total smoke outlet; 501. a housing; 502. a third smoke inlet; 503. a dust treatment cabin; 504. a smoke processing compartment; 505. heating plates; 506. a copper oxide plate; 507. a first solenoid valve; 508. a foam inlet; 509. a second solenoid valve; 510. a smoke outlet; 511. a dust outlet; 512. a spray head; 513. a nozzle; 514. and (4) honeycomb holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-7, a mining intrinsic safety smoke control device comprises a smoking machine (1), a distinguishing mechanism (2) is fixedly mounted on the lower surface of the left side of the smoking machine (1), a controller (3) is fixedly mounted on the upper surface of the smoking machine (1), the output end of the smoking machine (1) is connected with a processing mechanism (5) through a smoke guide pipe, the output end of the processing mechanism (5) is connected with a smoke outlet mechanism (4) through a smoke guide pipe, and a total smoke outlet (401) is fixedly mounted on the front surface of the smoke outlet mechanism (4).
Discerning mechanism (2) including discerning cabin (201) and leading cigarette piece (202), the bottom fixed mounting who leads cigarette piece (202) has base (203), the middle part fixed mounting of base (203) has support (204), the middle part of support (204) is provided with protection network (205), the middle part of support (204) and the back that is located protection network (205) have seted up second and have advanced cigarette mouth (214), protection network (205) are suitable for and prevent hard thing in mining production to the inside damage of discerning mechanism (2), it is suitable for leading-in second of smog to lead cigarette piece (202).
The outer surface of the distinguishing cabin (201) is provided with a first smoke inlet (206) and a first smoke outlet (207), the distinguishing cabin (201) is internally provided with an optical labyrinth (208), the first smoke inlet (206) is suitable for smoke to enter the optical labyrinth (208), the first smoke inlet (206) is communicated with a second smoke inlet (214), the first smoke outlet (207) is suitable for smoke to exit the optical labyrinth (208), the side surface of the optical labyrinth (208) is fixedly provided with an infrared emitter (209), the infrared emitter (209) is suitable for emitting infrared rays under the control of a controller (3), the inner surface of the optical labyrinth (208) is fixedly provided with a first fixing block (210) which is positioned right opposite to the infrared emitter (209), one side of the first fixing block (210) facing the infrared emitter (209) is fixedly provided with a first receiver (211), the bottom of the optical labyrinth (208) is fixedly provided with a plurality of second fixing blocks (212), the upper surface of the second fixed block (212) is fixedly provided with a second receiver (213), the first receiver (211) and the second receiver (213) are suitable for receiving light rays generated by the infrared emitter (209), the output ends of the first receiver (211) and the second receiver (213) are connected with the controller (3), the optical maze (208) is suitable for enabling infrared rays emitted by the infrared emitter (209) to be scattered under the action of smoke or dust, and due to the fact that the diameters of the smoke and dust are different, the scattering angles of the infrared rays are different, and therefore whether smoke or dust is generated in a mine can be identified according to the receiving conditions of the plurality of second receivers (213), and if the smoke or dust is generated in the mine, a fire alarm is immediately reported.
A support (215) is fixedly installed on the inner surface of the second smoke inlet (214), a reciprocating spring (216) is fixedly installed at the upper end of the support (215), an electromagnet (217) is fixedly installed in the middle of the support (215), a net preventing outer frame (218) is fixedly installed at one end, far away from the support (215), of the reciprocating spring (216), the inner edge of the net preventing outer frame (218) is fixedly connected with a protective net (205), a pressure sensor (219) is fixedly installed on the outer surface of the protective net (205), a magnetic block (220) is fixedly installed in the middle of one side, located inside the second smoke inlet (214), of the protective net (205), a rotating rod (221) is rotatably connected to the bottom of the net preventing outer frame (218), the right side of the rotating rod (221) is fixedly connected with the bottom of the support (215), the electromagnet (217) is magnetically connected with the magnetic block (220), the input end of the electromagnet (217) is, the output end of the pressure sensor (219) is connected with the controller (3), the pressure sensor (219) is suitable for sensing the pressure generated by the dust on the outer surface of the protective net (205), so that the thickness of the dust is identified, information is transmitted to the controller (3), the reciprocating spring (216) is suitable for controlling the electromagnet (217) to be powered off when the dust on the outer surface of the protective net (205) is excessive, the protective net (205) can shake up and down under the elastic action of the reciprocating spring (216), the dust on the protective net (205) can be shaken off quickly, the dust is prevented from influencing the judgment of the identification mechanism (2), after the dust shakes regularly, the controller (3) controls the electromagnet (217) to be powered on, the magnetic block (220) is attracted again, and certain automation capacity is achieved.
The front surface of the controller (3) is fixedly provided with a data transmission port (301), the data transmission port (301) is suitable for the controller (3) to exchange data with the pressure sensor (219), the first receiver (211) and the second receiver, the controller (3) is suitable for controlling the work of the electromagnet (217), the output end of the controller (3) is connected with the processing mechanism (5), the controller (3) comprises a control module and a distinguishing module, the control module is suitable for controlling the work of the pressure sensor (219), the first receiver (211), the second receiver, the electromagnet (217) and the processing mechanism (5), and the distinguishing module is suitable for distinguishing the types of smoke and dust through received scattered light signals of the first receiver (211) and the second receiver (213) and transmitting the distinguishing information to the control module.
The processing mechanism (5) comprises a shell (501), a third smoke inlet (502) is formed in the right side of the shell (501), the output end of the smoking machine (1) is connected with the third smoke inlet (502) through a gas pipe, a dust processing cabin (503) is formed in the shell (501), the input end of the third smoke inlet (502) is communicated with the dust processing cabin (503), a smoke processing cabin (504) is fixedly installed in the dust processing cabin (503), a first electromagnetic valve (507) is fixedly installed on a pipeline connecting the smoke processing cabin (504) with the third smoke inlet (502), a foam inlet (508) is fixedly installed on the outer surface of the shell (501), the foam inlet (508) is communicated with the dust processing cabin (503), a second electromagnetic valve (509) is fixedly installed on a pipeline between the foam inlet (508) and the dust processing cabin (503), and the input ends of the first electromagnetic valve (507) and the second electromagnetic valve (509) are connected with the controller (3), the first solenoid valve (507) is suitable for controlling the smoke to enter the smoke processing cabin (504) and the dust to enter the dust processing cabin (503) under the action of the controller (3), and the second solenoid valve (509) is suitable for controlling the foam to enter the dust processing cabin (503) under the action of the controller (3) so as to absorb the dust, thereby being beneficial to the step processing and recycling of the dust and the smoke.
A heating plate (505) and a copper oxide plate (506) are fixedly installed inside the smoke processing cabin (504), the heating plate (505) is suitable for heating the copper oxide plate (506) to enable the copper oxide plate to fully react with carbon monoxide in smoke and increase the fusion speed of foam and dust, the copper oxide plate (506) is suitable for fully reacting with the carbon monoxide in the smoke, a smoke outlet (510) is formed in the outer surface of the shell (501) and positioned on the left side of the smoke processing cabin (504), the smoke outlet (510) is connected with the main smoke outlet (401) through a pipeline, a dust outlet (511) is formed in the outer surface of the shell (501) and positioned on the left side of the dust processing cabin (503), a spray head (512) is fixedly installed inside the shell (501) and positioned below the foam inlet (508), a spray nozzle (513) is formed below the spray head (512), a honeycomb hole (514) is formed in the surface of the copper oxide plate (506), the honeycomb holes (514) are adapted to increase the contact area of the copper oxide plate (506) with the smoke, so that the carbon monoxide reaction is completed.
By adopting the technical scheme: through the arranged distinguishing mechanism (2) and the processing mechanism (5), the situation that misjudgment occurs to a smoke control device due to more dust and water mist under a mine can be effectively prevented, the characteristics of smoke and dust can be effectively processed respectively, harmful substances in the smoke and the dust can be effectively processed, the automation level is high, certain creativity is achieved, when the smoke dust collecting device is used, infrared rays emitted by the infrared emitter (209) are scattered under the action of the smoke or the dust, the scattering angles of the infrared rays are different due to different diameters of the smoke and the dust, the distinguishing module distinguishes the types of the smoke and the dust through scattered light signals received by the first receiver (211) and the second receiver (213), at the moment, the dust enters the dust processing cabin (503) and the second electromagnetic valve (509) controls the foam to enter the dust processing cabin (503) under the action of the controller (3), in order to absorb the dust, the heating plate (505) heats the copper oxide plate (506) to enable the copper oxide to fully react with carbon monoxide in the smoke, the fusion speed of the foam and the dust is increased, the smoke is discharged out of the ore channel through the smoke outlet (510) and the total smoke outlet (401), and the dust is discharged out of the ore channel through the dust outlet (511), so that harmful substances in the smoke and the dust are effectively treated, and the automation level is high.
Example 2
As shown in fig. 1-7, a mining intrinsic safety smoke control device comprises a smoking machine (1), a distinguishing mechanism (2) is fixedly mounted on the lower surface of the left side of the smoking machine (1), a controller (3) is fixedly mounted on the upper surface of the smoking machine (1), the output end of the smoking machine (1) is connected with a processing mechanism (5) through a smoke guide pipe, the output end of the processing mechanism (5) is connected with a smoke outlet mechanism (4) through a smoke guide pipe, and a total smoke outlet (401) is fixedly mounted on the front surface of the smoke outlet mechanism (4).
Discerning mechanism (2) including discerning cabin (201) and leading cigarette piece (202), the bottom fixed mounting who leads cigarette piece (202) has base (203), the middle part fixed mounting of base (203) has support (204), the middle part of support (204) is provided with protection network (205), the middle part of support (204) and the back that is located protection network (205) have seted up second and have advanced cigarette mouth (214), protection network (205) are suitable for and prevent hard thing in mining production to the inside damage of discerning mechanism (2), it is suitable for leading-in second of smog to lead cigarette piece (202).
The outer surface of the distinguishing cabin (201) is provided with a first smoke inlet (206) and a first smoke outlet (207), the distinguishing cabin (201) is internally provided with an optical labyrinth (208), the first smoke inlet (206) is suitable for smoke to enter the optical labyrinth (208), the first smoke inlet (206) is communicated with a second smoke inlet (214), the first smoke outlet (207) is suitable for smoke to exit the optical labyrinth (208), the side surface of the optical labyrinth (208) is fixedly provided with an infrared emitter (209), the infrared emitter (209) is suitable for emitting infrared rays under the control of a controller (3), the inner surface of the optical labyrinth (208) is fixedly provided with a first fixing block (210) which is positioned right opposite to the infrared emitter (209), one side of the first fixing block (210) facing the infrared emitter (209) is fixedly provided with a first receiver (211), the bottom of the optical labyrinth (208) is fixedly provided with a plurality of second fixing blocks (212), the upper surface of the second fixed block (212) is fixedly provided with a second receiver (213), the first receiver (211) and the second receiver (213) are suitable for receiving light rays generated by the infrared emitter (209), the output ends of the first receiver (211) and the second receiver (213) are connected with the controller (3), the optical maze (208) is suitable for enabling infrared rays emitted by the infrared emitter (209) to be scattered under the action of smoke or dust, and due to the fact that the diameters of the smoke and dust are different, the scattering angles of the infrared rays are different, and therefore whether smoke or dust is generated in a mine can be identified according to the receiving conditions of the plurality of second receivers (213), and if the smoke or dust is generated in the mine, a fire alarm is immediately reported.
A support (215) is fixedly installed on the inner surface of the second smoke inlet (214), a reciprocating spring (216) is fixedly installed at the upper end of the support (215), an electromagnet (217) is fixedly installed in the middle of the support (215), a net preventing outer frame (218) is fixedly installed at one end, far away from the support (215), of the reciprocating spring (216), the inner edge of the net preventing outer frame (218) is fixedly connected with a protective net (205), a pressure sensor (219) is fixedly installed on the outer surface of the protective net (205), a magnetic block (220) is fixedly installed in the middle of one side, located inside the second smoke inlet (214), of the protective net (205), a rotating rod (221) is rotatably connected to the bottom of the net preventing outer frame (218), the right side of the rotating rod (221) is fixedly connected with the bottom of the support (215), the electromagnet (217) is magnetically connected with the magnetic block (220), the input end of the electromagnet (217) is, the output end of the pressure sensor (219) is connected with the controller (3), the pressure sensor (219) is suitable for sensing the pressure generated by the dust on the outer surface of the protective net (205), so that the thickness of the dust is identified, information is transmitted to the controller (3), the reciprocating spring (216) is suitable for controlling the electromagnet (217) to be powered off when the dust on the outer surface of the protective net (205) is excessive, the protective net (205) can shake up and down under the elastic action of the reciprocating spring (216), the dust on the protective net (205) can be shaken off quickly, the dust is prevented from influencing the judgment of the identification mechanism (2), after the dust shakes regularly, the controller (3) controls the electromagnet (217) to be powered on, the magnetic block (220) is attracted again, and certain automation capacity is achieved.
A mining intrinsic safety smoke control device comprises the following use steps:
a: the device is fixed on the wall surface of a mine, a data transmission port (301) of a controller (3) is respectively connected with a first receiver (211), a second receiver (213), an electromagnet (217), a pressure sensor (219) and a processing mechanism (5), when smoke or dust is generated in the mine, the smoke or dust is guided into a second smoke inlet (214) through a smoke guide sheet (202), a protective net (205) prevents hard objects in mining production from damaging the inside of a distinguishing mechanism (2), infrared rays emitted by an infrared emitter (209) are scattered under the action of the smoke or dust, and the scattering angles of the infrared rays are different due to different diameters of smoke and dust, so that whether the smoke or the dust is generated in the mine can be distinguished according to the receiving conditions of a plurality of second receivers (213), and a distinguishing module distinguishes the types of the smoke and the dust through the received scattered light signals of the first receiver (211) and the second receivers (213), the identification information is transmitted to the control module, and the control module gives an alarm immediately;
b, after the step A is finished, the first electromagnetic valve (507) controls smoke to enter the smoke processing cabin (504) under the action of the controller (3), dust enters the dust processing cabin (503), the second electromagnetic valve (509) controls foam to enter the dust processing cabin (503) under the action of the controller (3) so as to absorb the dust, a heating plate (505) and a copper oxide plate (506) are fixedly installed inside the smoke processing cabin (504), the heating plate (505) heats the copper oxide plate (506) to enable the copper oxide to fully react with carbon monoxide in the smoke and increase the fusion speed of the foam and the dust, a smoke outlet (510) is formed in the outer surface of the shell (501) and positioned on the left side of the smoke processing cabin (504), the smoke and a main smoke outlet (401) are discharged from a mine channel through the smoke outlet (510), and the dust is discharged from the mine channel through a dust outlet (511);
c, after the step B is completed, when the dust on the surface of the protective net (205) is too much, the pressure sensor (219) senses the pressure generated by the dust on the outer surface of the protective net (205), so that the thickness of the dust is distinguished, information is transmitted to the controller (3), the controller (3) controls the electromagnet (217) to be powered off, the protective net (205) shakes up and down under the elastic action of the reciprocating spring (216), the dust on the protective net (205) can be shaken off quickly, the influence of the dust on the judgment of the distinguishing mechanism (2) is prevented, after the dust shakes regularly, the controller (3) controls the electromagnet (217) to be powered on, and the magnetic block (220) is attracted again, and therefore the automatic dust collecting device has certain automation capability.
By adopting the technical scheme: the distinguishing mechanism (2) which can automatically clear the accumulated dust can effectively prevent the accumulated dust from blocking the second smoke inlet (214) of the distinguishing mechanism (2) to cause the failure of the device, has better practicability and safety, when the dust accumulation on the surface of the protection net (205) is excessive, the pressure sensor (219) senses the pressure generated by the dust accumulation on the outer surface of the protection net (205), thereby identifying the thickness of the deposited dust and transmitting the information to the controller (3), the controller (3) controls the electromagnet (217) to be powered off, the protective net (205) shakes up and down under the elastic action of the reciprocating spring (216), the accumulated dust on the protective net (205) can be shaken off quickly, the accumulated dust is prevented from influencing the judgment of the identifying mechanism (2), after the accumulated dust is shaken regularly, the controller (3) controls the electromagnet (217) to be electrified and attracts the magnetic block (220) again, so that certain automation capability is achieved.
When the device is used, firstly, the device is fixed on the wall surface of a mine, a data transmission port (301) of a controller (3) is respectively connected with a first receiver (211), a second receiver (213), an electromagnet (217), a pressure sensor (219) and a processing mechanism (5), when smoke or dust is generated in the mine, the smoke or dust is guided into a second smoke inlet (214) through a smoke guide sheet (202), a protection net (205) prevents hard objects in mining production from damaging the inside of a distinguishing mechanism (2), infrared rays emitted by an infrared emitter (209) are scattered under the action of the smoke or dust, and the scattering angles of the infrared rays are different due to different diameters of the smoke and dust, so that whether the smoke and dust are generated by the mine can be identified through the receiving conditions of a plurality of second receivers (213), the distinguishing module distinguishes the types of smoke and dust through the received scattered light signals of the first receiver (211) and the second receiver (213) and transmits distinguishing information to the control module, the control module immediately gives an alarm, secondly, the first electromagnetic valve (507) controls smoke to enter the smoke processing cabin (504) under the action of the controller (3), dust enters the dust processing cabin (503), the second electromagnetic valve (509) controls foam to enter the dust processing cabin (503) under the action of the controller (3) so as to absorb dust, a heating plate (505) and a copper oxide plate (506) are fixedly installed inside the smoke processing cabin (504), the heating plate (505) heats the copper oxide plate (506) to enable the copper oxide to fully react with carbon monoxide in the smoke and increase the fusion speed of the foam and the dust, a smoke outlet (510) is formed in the outer surface of the shell (501) and positioned on the left side of the smoke processing cabin (504), the smoke is discharged out of the mine road through the smoke outlet (510) and the main smoke outlet (401), dust is discharged out of the mine road through the dust outlet (511), finally, when the dust accumulated on the surface of the protective net (205) is too much, the pressure sensor (219) senses the pressure generated by the dust accumulated on the outer surface of the protective net (205), the thickness of the dust accumulated is distinguished, and information is transmitted to the controller (3), the controller (3) controls the electromagnet (217) to be powered off, the protective net (205) shakes up and down under the elastic action of the reciprocating spring (216), the dust accumulated on the protective net (205) can be shaken off quickly, the judgment of the distinguishing mechanism (2) is prevented from being influenced by the dust accumulated, after the dust shakes regularly, the controller (3) controls the electromagnet (217) to be powered on, the magnetic block (220) is attracted again, and therefore certain automation capacity is achieved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a mining intrinsic safety smog controlling means, includes the smoking machine, its characterized in that: the cigarette making machine is characterized in that a distinguishing mechanism is fixedly mounted on the lower surface of the left side of the cigarette making machine, a controller is fixedly mounted on the upper surface of the cigarette making machine, the output end of the cigarette making machine is connected with a processing mechanism through a smoke guide pipe, the output end of the processing mechanism is connected with a cigarette discharging mechanism through a smoke guide pipe, and a total cigarette outlet is fixedly mounted on the front side of the cigarette discharging mechanism.
2. A mining intrinsically safe smoke control device as claimed in claim 1, wherein: the mechanism is including differentiateing the cabin and leading the smoked sheet to the differentiation mechanism, the bottom fixed mounting who leads the smoked sheet has the base, the middle part fixed mounting of base has the support, the middle part of support is provided with the protection network, the middle part of support and the back that is located the protection network have seted up the second and have advanced the mouth of cigarette, the protection network is suitable for and prevents the damage of hard thing in mining production to the mechanism inside of differentiateing, it is suitable for and advances the mouth of cigarette with the leading-in second of smog to lead to the smoked sheet.
3. A mining intrinsically safe smoke control device as claimed in claim 2, wherein: the utility model discloses a cigarette making machine, including discerning the cabin, the outer surface of discerning the cabin has seted up first smoke inlet and first outlet, the inside of discerning the cabin has seted up the optics maze, first smoke inlet is suitable for smog to get into the optics maze, first smoke inlet and second smoke inlet switch on, first smoke outlet is suitable for smog and goes out the optics maze, the side fixed mounting of optics maze has infra-red transmitter, infra-red transmitter is suitable for sending out the infrared ray under the control of controller, the internal surface of optics maze just is located infra-red transmitter's positive and opposite fixed mounting has first fixed block, one side fixed mounting of first fixed block in the face of infra-red transmitter has first receiver, the bottom fixed mounting of optics maze has a plurality of second fixed block, the last fixed surface of second fixed block installs the second receiver, first receiver and second receiver are suitable for receiving the light that infra-red transmitter takes place, the output ends of the first receiver and the second receiver are connected with the controller, the optical maze is suitable for enabling infrared rays emitted by the infrared emitter to be scattered under the action of smoke or dust, and due to the fact that the diameters of the smoke and dust are different, the scattering angles of the infrared rays are different, therefore, whether the smoke or the dust is generated in the mine can be identified according to the receiving conditions of the plurality of second receivers, and if the smoke or the dust is generated, a fire alarm is immediately reported.
4. A mining intrinsically safe smoke control device as claimed in claim 3, wherein: the inner surface of the second smoke inlet is fixedly provided with a support, the upper end of the support is fixedly provided with a reciprocating spring, the middle part of the support is fixedly provided with an electromagnet, one end of the reciprocating spring, far away from the support, is fixedly provided with a net-proof outer frame, the inner edge of the net-proof outer frame is fixedly connected with a protective net, the outer surface of the protective net is fixedly provided with a pressure sensor, the middle part of the protective net, at one side of the inner part of the second smoke inlet, is fixedly provided with a magnetic block, the bottom of the net-proof outer frame is rotatably connected with a rotating rod, the right side of the rotating rod is fixedly connected with the bottom of the support, the electromagnet is magnetically connected with the magnetic block, the input end of the electromagnet is connected with a controller, the output end of the pressure sensor is connected with the controller, the pressure sensor is suitable for sensing the pressure, the reciprocating spring is suitable for controlling the electromagnet to be powered off when the accumulated dust on the outer surface of the protective net is excessive, the protective net can shake up and down under the elastic action of the reciprocating spring, the accumulated dust on the protective net can be shaken off quickly, the influence of the accumulated dust on the judgment of the identification mechanism is prevented, after the reciprocating spring shakes regularly, the electromagnet is controlled by the controller to be powered on, the magnetic block is attracted again, and the automatic magnetic block identification device has certain automation capacity.
5. A mining intrinsically safe smoke control device as claimed in claim 1, wherein: the front fixed mounting of controller has the data transmission mouth, the data transmission mouth is applicable to the controller and carries out data interchange with pressure sensor, first receiver and second receiver, and is suitable for the work of controller control electro-magnet, the output and the processing agency of controller are connected, the controller includes control module and discerns the module, control module is suitable for the work of control pressure sensor, first receiver, second receiver, electro-magnet and processing agency, the type of smog and dust is discerned to the scattered light signal that discerns that the module is suitable for through the receipt of first receiver and second receiver, and will discern information transmission to control module.
6. A mining intrinsically safe smoke control device as claimed in claim 1, wherein: the processing mechanism comprises a shell, a third smoke inlet is formed in the right side of the shell, the output end of the smoking machine is connected with the third smoke inlet through a gas pipe, a dust processing cabin is formed in the shell, the input end of the third smoke inlet is communicated with the dust processing cabin, the smoke processing cabin is fixedly mounted in the dust processing cabin, a first electromagnetic valve is fixedly mounted on a pipeline connected with the third smoke inlet, a foam inlet is fixedly mounted on the outer surface of the shell and is communicated with the dust processing cabin, a second electromagnetic valve is fixedly mounted on a pipeline between the foam inlet and the dust processing cabin, the input ends of the first electromagnetic valve and the second electromagnetic valve are connected with a controller, the first electromagnetic valve is suitable for controlling smoke to enter the smoke processing cabin under the action of the controller, and dust enters the dust processing cabin, the second electromagnetic valve is suitable for controlling the foam to enter the dust treatment cabin under the action of the controller so as to absorb dust, and thus, the dust and the smoke can be treated and recovered step by step.
7. A mining intrinsically safe smoke control device as claimed in claim 1, wherein: the inside fixed mounting in smog processing cabin has hot plate and copper oxide plate, the hot plate is suitable for and heats the carbon monoxide in messenger's copper oxide and smog to the copper oxide plate and fully reacts, and increases the fusion speed of foam and dust, the copper oxide plate is suitable for and fully reacts with the carbon monoxide in smog, the surface of casing and the left side that is located smog processing cabin have seted up the smog export, the smog export passes through the pipe connection with total outlet flue, the surface of casing and the left side that is located the dust processing cabin have seted up the dust export, the inside of casing and the below fixed mounting that is located the foam entry have the shower nozzle, the nozzle has been seted up to the below of shower nozzle, honeycomb holes have been seted up on the surface of copper oxide plate, honeycomb holes are suitable for the area of contact of increase copper oxide plate and smog, make the carbon monoxide reaction thoroughly.
8. A mining intrinsically safe smoke control device as claimed in any one of claims 1 to 7, wherein: the using steps are as follows:
a: the device is fixed on the wall surface of a mine road, the data transmission port of the controller is respectively connected with the first receiver, the second receiver, the electromagnet, the pressure sensor and the processing mechanism, when smoke or dust is generated in the mine, the smoke or dust is guided into the second smoke inlet through the smoke guide sheet, the protective net prevents hard objects in mining production from damaging the inside of the identification mechanism, infrared rays emitted by the infrared emitter are scattered under the action of smoke or dust, and because the diameters of the smoke dust are different, the scattering angles of the infrared rays are also different, therefore, whether the smoke or the dust is generated in the mine can be identified according to the receiving conditions of the plurality of second receivers, the distinguishing module distinguishes the types of the smoke and the dust through the received scattered light signals of the first receiver and the second receivers and transmits the distinguishing information to the control module, and the control module immediately alarms;
b, after the step A is finished, the first electromagnetic valve controls smoke to enter the smoke processing cabin under the action of the controller, dust enters the dust processing cabin, the second electromagnetic valve controls foam to enter the dust processing cabin under the action of the controller so as to absorb the dust, a heating plate and a copper oxide plate are fixedly arranged inside the smoke processing cabin, the heating plate heats the copper oxide plate to enable the copper oxide plate to fully react with carbon monoxide in the smoke, the fusion speed of the foam and the dust is increased, a smoke outlet is formed in the outer surface of the shell and positioned on the left side of the smoke processing cabin, the smoke is discharged out of a mine tunnel through the smoke outlet and the main smoke outlet, and the dust is discharged out of the mine tunnel through the dust outlet;
and C, after the step B is finished, when the dust on the surface of the protective net is too much, the pressure sensor senses the pressure generated by the dust on the outer surface of the protective net so as to distinguish the thickness of the dust, the information is transmitted to the controller, the controller controls the electromagnet to be powered off, the protective net shakes up and down under the elastic action of the reciprocating spring, the dust on the protective net can be shaken off quickly, the judgment of a distinguishing mechanism is prevented from being influenced by the dust, and after the electromagnet is shaken regularly, the controller controls the electromagnet to be powered on and attract the magnetic blocks again, so that certain automation capacity is achieved.
CN202010427423.7A 2020-05-19 Mining intrinsic safety smoke control device Active CN111520179B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010427423.7A CN111520179B (en) 2020-05-19 Mining intrinsic safety smoke control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010427423.7A CN111520179B (en) 2020-05-19 Mining intrinsic safety smoke control device

Publications (2)

Publication Number Publication Date
CN111520179A true CN111520179A (en) 2020-08-11
CN111520179B CN111520179B (en) 2021-11-16

Family

ID=

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613994B1 (en) * 1989-07-26 1997-10-15 Fuji Electric Co., Ltd. Tunnel dust collecting system
JP2009233626A (en) * 2008-03-28 2009-10-15 Maeda Corp Apparatus for reducing dust and offensive odor in underground space
CN203083914U (en) * 2013-01-18 2013-07-24 天地(常州)自动化股份有限公司 Intrinsically safe smoke sensor for mine
CN104564068A (en) * 2014-12-15 2015-04-29 山东科技大学 Comprehensive dust preventing and treating device for fully-mechanized coal mining working face with large mining height of coal mine
CN205743975U (en) * 2016-06-30 2016-11-30 张鑫鹏 A kind of mine laneway automatic dustfall fire protection pipeline
CN106908364A (en) * 2017-03-31 2017-06-30 北京瑞赛长城航空测控技术有限公司 Mining intrinsic safety type dust sensing device based on light scattering method
CN109292400A (en) * 2018-10-08 2019-02-01 安徽宝龙电器有限公司 One kind being based on coal mine intrinsic safety intelligence emergency stop sensor
CN209168358U (en) * 2018-12-14 2019-07-26 上海金盾消防智能科技有限公司 A kind of smoke detector that forward scattering is combined with retroreflection
CN110354660A (en) * 2019-08-22 2019-10-22 西安科技大学 A kind of mine laneway fire smoke fast purification device and method
CN209809748U (en) * 2019-03-09 2019-12-20 常州市金耀瑞机械有限公司 Smoke and dust removal integrated pulse dust collector

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613994B1 (en) * 1989-07-26 1997-10-15 Fuji Electric Co., Ltd. Tunnel dust collecting system
JP2009233626A (en) * 2008-03-28 2009-10-15 Maeda Corp Apparatus for reducing dust and offensive odor in underground space
CN203083914U (en) * 2013-01-18 2013-07-24 天地(常州)自动化股份有限公司 Intrinsically safe smoke sensor for mine
CN104564068A (en) * 2014-12-15 2015-04-29 山东科技大学 Comprehensive dust preventing and treating device for fully-mechanized coal mining working face with large mining height of coal mine
CN205743975U (en) * 2016-06-30 2016-11-30 张鑫鹏 A kind of mine laneway automatic dustfall fire protection pipeline
CN106908364A (en) * 2017-03-31 2017-06-30 北京瑞赛长城航空测控技术有限公司 Mining intrinsic safety type dust sensing device based on light scattering method
CN109292400A (en) * 2018-10-08 2019-02-01 安徽宝龙电器有限公司 One kind being based on coal mine intrinsic safety intelligence emergency stop sensor
CN209168358U (en) * 2018-12-14 2019-07-26 上海金盾消防智能科技有限公司 A kind of smoke detector that forward scattering is combined with retroreflection
CN209809748U (en) * 2019-03-09 2019-12-20 常州市金耀瑞机械有限公司 Smoke and dust removal integrated pulse dust collector
CN110354660A (en) * 2019-08-22 2019-10-22 西安科技大学 A kind of mine laneway fire smoke fast purification device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王勇俞等: "基于粒子受激散射的烟与气溶胶粒子属性识别", 《消防科学与技术》 *

Similar Documents

Publication Publication Date Title
CN111520179B (en) Mining intrinsic safety smoke control device
CN111520179A (en) Mining intrinsic safety smoke control device
CA1189786A (en) Cowl-like scrubber for a long-wall shearer
CN106062446A (en) Passive explosion isolation valve with pulse jet cleaning
US20140160473A1 (en) Active sampling smoke sensor for the mining industry
CA1037697A (en) Control arrangement for yarn piecing apparatus
CN203321568U (en) Roadway spraying and aspirating system
CN104912595B (en) Mining man-machine locking system and control method
CN205340384U (en) Dust collecting equipment fire extinction/protection automatic control device
CN101226673B (en) Method for monitoring self-defining defence area
US20180374319A1 (en) A device for detection the foreign objects placed, jamming the data with disruptive signals, issuing warning notices and recording the events in order to protect the data on the cards used in the payment stations
CN207267180U (en) Machine tool break detecting system and gong machine
CN205925251U (en) Explosion -proof pulse dust collector
CN205295574U (en) Processing system is surveyed to intelligence metal spark
CN110064156A (en) A kind of multiple warehouse Automatic Fire Alarm extinguishment control systems and method
CN212325371U (en) Cigarette laser top position light-emitting opening debris detection device that punches
CN205400793U (en) Coal mine tunnel spray dust removal device
CN211962890U (en) Spraying system is used in door plant processing production
CN212686745U (en) Machine head spraying mechanism for mineral rubber belt conveyor
CN206246153U (en) A kind of mine supervision device
CN212757649U (en) Dry type explosion-proof dust-removing equipment
CN212049310U (en) Belt feeder tail chute blockage warning and power-off protection device
CN212065671U (en) Cigarette extinguishing collecting box
CN212505219U (en) Accurate broken yarn detection system
CN207397480U (en) A kind of infrared controller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant