CN112443348A - Movable induction cooling and dedusting device for fully mechanized coal mining face - Google Patents
Movable induction cooling and dedusting device for fully mechanized coal mining face Download PDFInfo
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- CN112443348A CN112443348A CN202011274735.5A CN202011274735A CN112443348A CN 112443348 A CN112443348 A CN 112443348A CN 202011274735 A CN202011274735 A CN 202011274735A CN 112443348 A CN112443348 A CN 112443348A
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- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 22
- 230000006698 induction Effects 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000002035 prolonged effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 18
- 239000002817 coal dust Substances 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 239000002352 surface water Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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Abstract
The invention provides a movable induction cooling and dedusting device for a fully mechanized coal mining face. Firstly, the air flow passing through the air collecting cover is purified twice through a dust filtering net and a cyclone cylinder, and meanwhile, the dust and the temperature condition of a working surface are monitored through a temperature sensor and a dust sensor, so that the induction automatic control dust removal and cooling functions are realized; secondly, a water curtain spray head is used for cooling the working surface, and the motor is arranged in the square water tank cavity to facilitate cooling, so that the service lives of the motor and the exhaust fan are prolonged; finally, whole device has realized purifying and cooling the working face air current, has also realized response automatic control simultaneously, has avoided traditional water curtain dust collector drainage too big to lead to the drawback that raw coal quality reduces and manual operation easily makes an error. Therefore, the device has the characteristics of simple structure, convenience and quickness in installation, good dust removal effect, long service life and automation control.
Description
Technical Field
The invention relates to the field of mine dust removal equipment, in particular to a movable induction cooling dust removal device for a fully mechanized coal mining face.
Background
Mine dust is one of main natural disasters of mine production, and is a main factor influencing mine safety and benefit; in the underground mining process, coal mining, tunneling, blasting, drilling and the like are used as common production work, and a large amount of dust with small diameter and easy to suck human lungs is easy to generate; in the production practice, the working face and the tunneling roadway are main places where coal dust is generated and accumulated, and the physical and psychological health of personnel is easily and greatly influenced, but due to the production requirement, the personnel at the first line of coal mining and tunneling must enter the environment to operate; the region has low visibility, large dust generation amount, wide distribution positions, difficult cleaning and poor cleaning effect.
At present, the underground dust is mainly treated at home and abroad by adopting a water curtain spraying dust-settling measure, the measure utilizes the small power diameter of particles generated by spraying, the surface tension is basically zero, the particles can quickly adsorb dust particles with various sizes in the air when being sprayed to the air to form a combination of the dust and water mist, and finally the dust and the water mist sink under the action of gravity, so that the effective dust control is formed. However, the measure is influenced by the adsorptivity, the dispersion degree and the particle charging property of coal dust, so that the concentration of the coal dust in a working environment is difficult to be reduced to be lower than the specified concentration, and meanwhile, if a large amount of water mist is sprayed for dust reduction, the water content of raw coal is easy to increase, the raw coal is easy to reach an oxidation temperature-rising condition in the transportation process, the coal quality is reduced, a secondary disaster is induced, and the economic benefit of a mine is reduced.
At present, a mine dedusting water mist device is already installed in a partial roadway of a part of mines, and a water mist device is installed on a coal mining machine at the same time, so that the dust amount generated on a working surface is reduced to a certain extent by the measures, and the environment of workers at the front mining line is improved, but because the coal mining machine works in a reciprocating cycle mode, the water mist device of the coal mining machine can only improve the dust generated when coal is cut, and a large amount of coal dust dissipated when coal blocks collapse cannot be solved, so that working flour dust is scattered everywhere, the coal dust amount is large, and the working environment is bad; therefore, aiming at the defects of poor safety, high noise, poor dust removal effect and low working efficiency of personnel of the current mining dust removal device, a novel movable cooling dust removal device for a fully mechanized coal mining face is needed to be provided.
Disclosure of Invention
The invention aims to provide a movable induction cooling and dust removing device for a fully mechanized mining face, which can effectively solve the defects of poor dust removing effect, low visibility and low working efficiency of personnel on the working face, and simultaneously solves the defects of error of manually starting dust removing equipment, poor motor heat dissipation, incapability of effectively working for a long time and high working face temperature.
In order to achieve the aim, the invention provides a movable induction cooling and dust removing device for a fully mechanized coal mining face, which is characterized by comprising a dust removing and cooling device and an induction automatic control device.
The dust removal and cooling device comprises a dust removal part and a cooling part, and is composed of a gas collecting hood, a dust filtering net, an air inlet, a cyclone cylinder, a dust collector, an ash cleaning port, a transmission gear, an air duct, an exhaust fan, an air outlet, a water supply pipe, a water guide pipe, a water tank cavity, a motor, a connecting rod, a driving wheel, a pipeline tee joint, a water curtain nozzle, a water outlet pipe, a rail wheel, a protective shell, an electric valve, a mounting hole, a rail displacement platform, a mounting port and a fixing shaft.
The dust removal part of the dust removal and cooling device consists of a gas collecting hood, a dust filtering net, an air inlet, a cyclone cylinder, a dust collector, an ash cleaning port, a transmission gear, an air guide pipe, an exhaust fan, an air outlet, a motor, a connecting rod, a driving wheel, a rail wheel, a protective shell, a mounting hole, a rail displacement platform, a mounting port and a fixed shaft; the rail transport platform is arranged on a hydraulic support of a working surface, so that the device can move conveniently; the rail wheel is arranged at the top end of the protective shell and used for moving on the rail transport platform, and meanwhile, a mounting hole is reserved on the portion, close to the protective shell, of the rail wheel, so that the rail wheel is convenient to mount and fix with the fixed shaft; the fixed shaft can freely move for a certain distance on the track displacement platform; the left side and the right side of the protective shell are respectively provided with an air inlet and an air outlet, and the outermost side of the air inlet is provided with an air collecting cover for expanding the air collecting range; a dust filter screen is arranged on the inner side of the air inlet and used for filtering large-particle dust so as to avoid damaging the exhaust fan; the air outlet of the exhaust fan is connected with the air duct, the air inlet of the exhaust fan is connected with the cyclone, and the air flow subjected to primary purification is introduced into the cyclone for secondary purification; the lower part of the cyclone cylinder is connected with a dust collector for collecting coal dust; the dust cleaning port is arranged below the dust collector, and when the coal dust quality reaches the maximum, the dust cleaning port can be manually and directly opened for rapidly cleaning dust; the air outlet is connected with an exhaust outlet of the exhaust fan and used for exhausting the air flow subjected to secondary dust removal; the motor is arranged in the protective shell and drives the driving wheel to rotate through the connecting rod, so that the transmission gear welded on the surface of the cyclone cylinder is driven to rotate.
The cooling part of the dust removal and cooling device consists of a water supply pipe, an electric valve, a water guide pipe, a water tank cavity, a water outlet pipe, a pipeline tee joint and a water curtain spray head; the water supply pipe is connected with a working surface water pipe, and is provided with an electric valve for adjusting the flow rate and the opening and closing state of the pipeline; the water tank cavity is positioned on the right side of the exhaust fan, the motor is arranged in the water tank cavity, and heat generated by the motor and the exhaust fan during working can be discharged through water flow circulation, so that the service life of the device is prolonged; the water inlet side of the water guide pipe is connected with the tail end of the water tank cavity, and the water outlet side of the water guide pipe is connected with the water outlet pipe and used for cooling a working surface; the inside water curtain shower nozzle that has inlayed of outlet pipe for spray water smoke to the working face and cool down.
The induction automatic control device consists of a dust sensor, a gravity sensor, a fan switch state sensor, a temperature sensor, a displacement sensor, a motor switch state sensor, an A/D signal sensor, a CPU processor, an explosion-proof power supply, a power switch and an acousto-optic alarm; the temperature sensor is positioned at the edge of the air collecting cover and used for monitoring the temperature of the working surface so as to spray water mist in time and cool the working surface; the displacement sensor is positioned at the transverse pushing part of the hydraulic support and is used for monitoring the transverse displacement of the hydraulic support so as to adjust a cooling link according to the temperature condition of a working surface; the dust sensor is positioned at the edge of the air collecting cover and used for monitoring the dust concentration in the air, so that the dust removal effect can be better controlled by the processor; the gravity sensor is arranged at the bottom of the dust collector and used for monitoring the dust weight of the dust collector, when the dust quality reaches a specified standard, the sound-light alarm connected with the gravity sensor can emit red light, and simultaneously, voice prompt is carried out to a front-line worker to clean the dust; the dust collector is connected with the deashing valve, and when the manual deashing is needed, the deashing valve is opened to clean in a short time, so that the efficiency is high.
Has the advantages that:
1. the invention reduces the coal dust on the working surface by two modes; firstly, the dust filter screen can adsorb and purify large-particle coal dust in wind flow passing through the wind collection cover; meanwhile, the air after being purified enters the cyclone cylinder to rotate, so that the coal dust is shunted to the dust collector under the action of centrifugal force and gravity; the invention combines the advantages of the traditional dust remover and has excellent dust removing effect;
2. according to the invention, the water mist device is arranged in the protective shell, the water inlet pipe part of the water mist device is connected with the water pipe of the working surface area, and the air in the working surface area can be cooled through the water curtain spray head, so that a good working environment is provided for front-line workers; meanwhile, the water mist device mainly aims at cooling, so that compared with the traditional application mode, less water is drained to a working face, and the phenomenon that the coal body is oxidized and heated up under the deep mining condition due to excessive water content and the calorific value of raw coal is reduced is avoided; in addition, the water quantity is controlled to a certain extent, so that the possibility of a damp and hot environment at the first line of work is avoided;
3. the invention combines intelligent control elements such as a sensor, a processor and the like, realizes automatic control and induction control, avoids errors caused by manual operation, and simultaneously realizes regional control of each function;
4. according to the invention, the cleaning port is arranged on the side of the dust collector, when the weight of the dust collector measured by the gravity sensor reaches the standard, the acousto-optic early warning device is automatically turned on to remind a worker to clean the dust collector;
5. the motor is arranged on the outer side of the water tank, when the motor is heated due to the operation of the device, water in the water tank can absorb the heat of the motor, and a suitable working environment is provided for the motor;
6. the movable track platform is arranged on the basis of the traditional dust removal device, so that the dust removal equipment can be moved, and meanwhile, the functions of automatic dust removal and cooling according to the pushing of the hydraulic support are realized due to the arrangement of the displacement sensor.
Description of the drawings:
the following detailed description is made in conjunction with the accompanying drawings;
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic block diagram of an inductive automatic control device of the present invention;
FIG. 3 is a front view of the rail transport platform of the present invention;
FIG. 4 is a side view of the rail transport platform of the present invention;
the numbers in fig. 1-4 are as follows: 1-gas collecting hood, 2-dust filtering net, 3-air inlet, 4-cyclone cylinder, 5-dust collector, 6-ash removing port, 7-transmission gear, 8-gas guide tube, 9-exhaust fan, 10-air outlet, 11-water supply tube, 12-water guide tube, 13-water tank cavity, 14-motor, 15-connecting rod, 16-driving wheel, 17-pipeline three-way joint, 18-water curtain spray head, 19-water outlet tube, 20-rail wheel, 21-protective shell, 22-electric valve, 23 mounting hole, 24-rail displacement platform, 25-mounting port, 26-fixing shaft, 27-dust sensor, 28-gravity sensor, 29-fan switch state sensor, 30-temperature sensor, 31-displacement sensor, 32-motor switch state sensor, 33-A/D signal sensor, 34-CPU processor, 35-explosion-proof power supply, 36-power switch and 37-acousto-optic alarm.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a movable induction cooling and dedusting device for a fully mechanized coal mining face, which is explained in detail below.
Referring to the attached drawings 1-4, the invention provides a movable induction cooling and dust removing device for a fully mechanized coal mining face, which comprises a dust removing and cooling device and an induction automatic control device, and is characterized in that: the dust removal and temperature reduction device comprises a dust removal part and a temperature reduction part, and is composed of a gas collecting hood (1), a dust filtering net (2), an air inlet (3), a cyclone cylinder (4), a dust collector (5), an ash cleaning port (6), a transmission gear (7), an air duct (8), an exhaust fan (9), an air outlet (10), a water supply pipe (11), a water guide pipe (12), a water tank cavity (13), a motor (14), a connecting rod (15), a driving wheel (16), a pipeline tee joint (17), a water curtain spray head (18), a water outlet pipe (19), a rail wheel (20), a protective shell (21), an electric valve (22), a mounting hole (23), a rail displacement platform (24), a mounting port (25) and a fixing shaft (26).
The dust removal part of the dust removal and temperature reduction device consists of a gas collecting hood (1), a dust filtering net (2), an air inlet (3), a cyclone cylinder (4), a dust collector (5), an ash cleaning port (6), a transmission gear (7), an air guide pipe (8), an exhaust fan (9), an air outlet (10), a motor (14), a connecting rod (15), a driving wheel (16), a rail wheel (20), a protective shell (21), a mounting hole (23), a track displacement platform (24), a mounting port (25) and a fixing shaft (26); the rail transport platform (24) is arranged on a hydraulic support of a working surface, so that the device can move conveniently; the rail wheel (20) is arranged at the top end of the protective shell (21) and used for moving on the rail transport platform (24), and meanwhile, a mounting hole (23) is reserved on the part, close to the protective shell (21), of the rail wheel (20) so as to be conveniently mounted and fixed with the fixed shaft (26); the fixed shaft (26) can freely move for a certain distance on the track displacement platform (24); the left side and the right side of the protective shell (21) are respectively provided with an air inlet (3) and an air outlet (10), and the outermost side of the air inlet (3) is provided with an air collecting cover (1) for expanding the air collecting range; a dust filtering net (2) is arranged on the inner side of the air inlet (3) and used for filtering large-particle dust so as to prevent the exhaust fan (9) from being damaged; an air outlet of the exhaust fan (9) is connected with the air guide pipe (8), an air inlet of the exhaust fan is connected with the cyclone cylinder (4), and the primarily purified air flow is introduced into the cyclone cylinder (4) for secondary purification; the lower part of the cyclone cylinder (4) is connected with a dust collector (5) for collecting coal dust; an ash cleaning port (6) is arranged below the dust collector (5), and when the coal dust quality reaches the maximum, the ash cleaning port (6) can be manually and directly opened to rapidly clean ash; the air outlet (10) is connected with an air outlet of the exhaust fan (9) and is used for discharging air flow subjected to secondary dust removal; the motor (14) is arranged in the protective shell (21), and the motor (14) drives the driving wheel (16) to rotate through the connecting rod (15), so that the transmission gear (7) welded on the surface of the cyclone cylinder (4) is driven to rotate.
The cooling part of the dust removal and cooling device consists of a water supply pipe (11), an electric valve (22), a water guide pipe (12), a water tank cavity (13), a water outlet pipe (19), a pipeline three-way joint (17) and a water curtain spray head (18); the water supply pipe (11) is connected with a working surface water pipe, and is provided with an electric valve (22) for adjusting the flow rate and the opening and closing state of the pipeline; the water tank cavity (13) is positioned on the right side of the exhaust fan (9), the motor (14) is arranged in the water tank cavity, and heat generated by the motor (14) and the exhaust fan (9) during working can be discharged through water flow circulation, so that the service life of the device is prolonged; the water inlet side of the water guide pipe (12) is connected with the tail end of the water tank cavity (13), and the water outlet side of the water guide pipe is connected with the water outlet pipe (19) and used for cooling a working surface; the water curtain spray head (18) is embedded in the water outlet pipe (19) and is used for spraying water mist to the working face to cool.
The induction automatic control device consists of a dust sensor (27), a gravity sensor (28), a fan switch state sensor (29), a temperature sensor (30), a displacement sensor (31), a motor switch state sensor (32), an A/D signal sensor (33), a CPU (central processing unit) processor (34), an explosion-proof power supply (35), a power switch (36) and an acousto-optic alarm (37); the temperature sensor (30) is positioned at the edge of the air collecting cover (1) and is used for monitoring the temperature of the working surface so as to spray water mist in time and cool the working surface; the displacement sensor (31) is positioned at the transverse pushing part of the hydraulic support and is used for monitoring the transverse displacement of the hydraulic support so as to adjust a cooling link according to the temperature condition of a working surface; the dust sensor (27) is positioned at the edge of the air collecting cover (1) and used for monitoring the dust concentration in the air so that the dust removal effect can be better controlled by the processor; the gravity sensor (28) is arranged at the bottom of the dust collector (5) and is used for monitoring the dust weight of the dust collector (5), when the dust quality reaches a specified standard, the sound-light alarm (37) connected with the gravity sensor can emit red light, and meanwhile, voice is carried out to remind a front-line worker that the dust needs to be cleaned; the dust collector (5) is connected with the ash removal valve (6), when manual ash removal is needed, the ash removal valve (6) is opened, cleaning can be carried out in a short time, and efficiency is high.
The utility model provides a theory of use and its flow that is used for combining movable response cooling dust collector who adopts working face: firstly, a rail transport platform (24) is installed on a working surface hydraulic support through a reserved installation opening (25), meanwhile, the device is installed in an installation hole (23) reserved below a rail wheel (20) through a fixed shaft (26), and a water supply pipe (11) on the left side of the device is connected with a water pipe of a working surface; meanwhile, a power switch (36) is turned on, so that the whole device starts to supply power to operate, at the moment, a motor (14) starts to operate to drive a connecting rod (15) to move, the connecting rod (15) drives a driving wheel (16) to rotate, and the driving wheel (16) drives the driving wheel to move by being meshed with a transmission gear (7), so that a cyclone cylinder (4) starts to rotate; secondly, when the whole device is powered on, the exhaust fan (9) starts to operate, so that the dusty airflow is concentrated through the gas collecting hood (1), is primarily filtered through the dust filtering net (2) in the air inlet (3), and enters the cyclone cylinder (4) of the device; then, the airflow after primary purification and dust removal is subjected to centrifugal force and gravity action in the cyclone cylinder (4), the removed dust is thrown into the dust collector (5) and then falls into the bottom, and the airflow after secondary dust removal is discharged through the air outlet (10); when the temperature sensor (30) monitors that the temperature of the working surface reaches the upper limit of the designated temperature, and the displacement sensor (31) monitors that the hydraulic support is transversely pushed, the CPU (34) connected with the sensor controls the opening of the electric valve (22), and water flows through the water tank cavity (13), the water guide pipe (12), the water outlet pipe (19) and the water curtain nozzle (18) to spray water mist on the working surface for cooling; the heat generated by the work of the motor (14) and the left exhaust fan (9) in the square water tank cavity (13) is taken away through water circulation, so that the device is damaged in a long-term high-temperature environment; finally, after the device is used for a long time, a large amount of dust is accumulated in the dust collector (5), if the gravity sensor (28) detects that the mass is out of limit, the audible and visual alarm (37) arranged at the edges of the dust collector (5) and the protective shell (21) can emit red light and can give out voice early warning to workers, and at the moment, the dust cleaning port (6) is opened to discharge the accumulated coal dust.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present patent is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The invention provides a movable induction cooling and dedusting device for a fully mechanized coal mining face, which comprises a dedusting and cooling device and an induction automatic control device, and is characterized in that: the dust removal and temperature reduction device comprises a dust removal part and a temperature reduction part, and is composed of a gas collecting hood (1), a dust filtering net (2), an air inlet (3), a cyclone cylinder (4), a dust collector (5), an ash cleaning port (6), a transmission gear (7), an air duct (8), an exhaust fan (9), an air outlet (10), a water supply pipe (11), a water guide pipe (12), a water tank cavity (13), a motor (14), a connecting rod (15), a driving wheel (16), a pipeline tee joint (17), a water curtain spray head (18), a water outlet pipe (19), a rail wheel (20), a protective shell (21), an electric valve (22), a mounting hole (23), a rail displacement platform (24), a mounting port (25) and a fixing shaft (26).
2. The mobile induction cooling and dust removing device for the fully mechanized mining face of claim 2, wherein: the dust removal part of the dust removal and temperature reduction device consists of a gas collecting hood (1), a dust filtering net (2), an air inlet (3), a cyclone cylinder (4), a dust collector (5), an ash cleaning port (6), a transmission gear (7), an air guide pipe (8), an exhaust fan (9), an air outlet (10), a motor (14), a connecting rod (15), a driving wheel (16), a rail wheel (20), a protective shell (21), a mounting hole (23), a track displacement platform (24), a mounting port (25) and a fixing shaft (26); the rail transport platform (24) is arranged on a hydraulic support of a working surface, so that the device can move conveniently; the rail wheel (20) is arranged at the top end of the protective shell (21) and used for moving on the rail transport platform (24), and meanwhile, a mounting hole (23) is reserved on the part, close to the protective shell (21), of the rail wheel (20) so as to be conveniently mounted and fixed with the fixed shaft (26); the fixed shaft (26) can freely move for a certain distance on the track displacement platform (24); the left side and the right side of the protective shell (21) are respectively provided with an air inlet (3) and an air outlet (10), and the outermost side of the air inlet (3) is provided with an air collecting cover (1) for expanding the air collecting range; a dust filtering net (2) is arranged on the inner side of the air inlet (3) and used for filtering large-particle dust so as to prevent the exhaust fan (9) from being damaged; an air outlet of the exhaust fan (9) is connected with the air guide pipe (8), an air inlet of the exhaust fan is connected with the cyclone cylinder (4), and the primarily purified air flow is introduced into the cyclone cylinder (4) for secondary purification; the lower part of the cyclone cylinder (4) is connected with a dust collector (5) for collecting coal dust; an ash cleaning port (6) is arranged below the dust collector (5), and when the coal dust quality reaches the maximum, the ash cleaning port (6) can be manually and directly opened to rapidly clean ash; the air outlet (10) is connected with an air outlet of the exhaust fan (9) and is used for discharging air flow subjected to secondary dust removal; the motor (14) is arranged in the protective shell (21), and the motor (14) drives the driving wheel (16) to rotate through the connecting rod (15), so that the transmission gear (7) welded on the surface of the cyclone cylinder (4) is driven to rotate.
3. The mobile induction cooling and dust removing device for the fully mechanized mining face of claim 2, wherein: the cooling part of the dust removal and cooling device consists of a water supply pipe (11), an electric valve (22), a water guide pipe (12), a water tank cavity (13), a water outlet pipe (19), a pipeline three-way joint (17) and a water curtain spray head (18); the water supply pipe (11) is connected with a working surface water pipe, and is provided with an electric valve (22) for adjusting the flow rate and the opening and closing state of the pipeline; the water tank cavity (13) is positioned on the right side of the exhaust fan (9), the motor (14) is arranged in the water tank cavity, and heat generated by the motor (14) and the exhaust fan (9) during working can be discharged through water flow circulation, so that the service life of the device is prolonged; the water inlet side of the water guide pipe (12) is connected with the tail end of the water tank cavity (13), and the water outlet side of the water guide pipe is connected with the water outlet pipe (19) and used for cooling a working surface; the water curtain spray head (18) is embedded in the water outlet pipe (19) and is used for spraying water mist to the working face to cool.
4. The mobile induction cooling dust removal device for the fully mechanized mining face of claim 1, wherein: the induction automatic control device consists of a dust sensor (27), a gravity sensor (28), a fan switch state sensor (29), a temperature sensor (30), a displacement sensor (31), a motor switch state sensor (32), an A/D signal sensor (33), a CPU (central processing unit) processor (34), an explosion-proof power supply (35), a power switch (36) and an acousto-optic alarm (37); the temperature sensor (30) is positioned at the edge of the air collecting cover (1) and is used for monitoring the temperature of the working surface so as to spray water mist in time and cool the working surface; the displacement sensor (31) is positioned at the transverse pushing part of the hydraulic support and is used for monitoring the transverse displacement of the hydraulic support so as to adjust a cooling link according to the temperature condition of a working surface; the dust sensor (27) is positioned at the edge of the air collecting cover (1) and used for monitoring the dust concentration in the air, so that the device can better control the dust removal effect; the gravity sensor (28) is arranged at the bottom of the dust collector (5) and is used for monitoring the dust weight of the dust collector (5), when the dust quality reaches a specified standard, the sound-light alarm (37) connected with the gravity sensor can emit red light, and meanwhile, voice is carried out to remind a front-line worker that the dust needs to be cleaned; the dust collector (5) is connected with an ash removal valve (6), and when manual ash removal is needed, the ash removal valve (6) is opened to clean.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274735.5A CN112443348A (en) | 2020-11-16 | 2020-11-16 | Movable induction cooling and dedusting device for fully mechanized coal mining face |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274735.5A CN112443348A (en) | 2020-11-16 | 2020-11-16 | Movable induction cooling and dedusting device for fully mechanized coal mining face |
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| CN112443348A true CN112443348A (en) | 2021-03-05 |
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| CN202011274735.5A Pending CN112443348A (en) | 2020-11-16 | 2020-11-16 | Movable induction cooling and dedusting device for fully mechanized coal mining face |
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| CN114307502A (en) * | 2022-01-06 | 2022-04-12 | 畅舒 | Intelligent dust extraction with sectional type cooling function |
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Application publication date: 20210305 |