CN112412452A - Intelligent water source power coal mining machine dust remover and dust removing method - Google Patents
Intelligent water source power coal mining machine dust remover and dust removing method Download PDFInfo
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- CN112412452A CN112412452A CN202011298571.XA CN202011298571A CN112412452A CN 112412452 A CN112412452 A CN 112412452A CN 202011298571 A CN202011298571 A CN 202011298571A CN 112412452 A CN112412452 A CN 112412452A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 239000000428 dust Substances 0.000 title claims abstract description 89
- 238000005065 mining Methods 0.000 title claims abstract description 36
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 117
- 238000012545 processing Methods 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000002817 coal dust Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 6
- 238000011001 backwashing Methods 0.000 claims description 4
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000889 atomisation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004630 mental health Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
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- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention belongs to the technical field of coal mine underground dust removal, and discloses an intelligent water source power coal mining machine dust remover and a dust removing method, wherein a dust concentration sensor, a position information receiver, a hydraulic jack and a fixing frame are respectively arranged at the top, the bottom and two sides of a spray air duct; an air outlet in the spraying air duct is provided with a multi-angle combined spraying group, and a water path arranged in the side wall of the multi-angle combined spraying group is communicated with a third water inlet branch pipeline; the tail end of the driving device is communicated with the first water inlet branch pipeline; the inner wall of the air inlet is provided with an annular spraying group and is communicated with a fourth water inlet branch pipeline. According to the invention, the central processing system is used for wirelessly adjusting the spraying flow and pressure of the spraying rotary spraying unit and the multi-angle combined spraying unit and the spraying angle of the air duct, so that not only can the spraying water consumption be effectively reduced and the atomizing effect be ensured, but also the accurate dust control can be realized and the dust fall rate can be improved. The annular spraying can realize the automatic cleaning of the coal dust accumulated in the spraying air duct due to the negative pressure, reduce the product loss rate and prolong the service life.
Description
Technical Field
The invention belongs to the technical field of coal mine underground dust removal, and particularly relates to an intelligent water source power coal mining machine dust remover and a dust removing method.
Background
At present, the fully mechanized mining face is the place with the most serious coal dust pollution in the shaft bottom operation environment, and according to the practical measurement, the highest dust production concentration can reach 8000mg/m under the condition of not taking any dustproof measures3Wherein the cutting dust production accounts for about 60-80% of the total dust production of the working face. The high-concentration dust can not only cause pneumoconiosis, but also can cause coal dust explosion accidents under certain conditions, and seriously influences the safe production of mines. The field practice research shows that the wet dust collector can effectively reduce the concentration of the mining face dust, but the existing dust collector cannot be well adapted to the complicated and changeable field operation environment due to the factors of overlarge overall dimension, lack of a driving source and the like of the dust collection equipment.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the application of the wet dust collector of the coal mining machine belongs to the blank of the industry field, and because the production equipment of the fully mechanized mining surface is various and the field operation environment is complex, the large dust collector can not be applied in the operation environment of the fully mechanized mining surface, and meanwhile, the field installation and maintenance of the dust collector are difficult, and corresponding driving sources are lacked underground.
(2) The conventional spraying of the coal mining machine has the problems of short effective range, small atomizing area, poor dust falling effect and the like, and meanwhile, the installation angle of the dust remover is fixed, and the positions of the front roller and the rear roller are different when coal is cut by downwind and upwind, so that a fog field cannot effectively cover a dust source, and the dust falling effect is poor.
(3) The existing driving elements (pneumatic motor, electric motor and hydraulic motor) of the dust-settling device all have certain disadvantages. The pneumatic motor has the defects of small output power, large air consumption, low efficiency, large noise, easy vibration and the like; the electric motor needs to be additionally laid with cables, the protection level of the cables is low, and the cables are easily damaged by falling and caving coal blocks without additional protection; a hydraulic system equipped with the hydraulic motor is easy to leak oil and is easy to be affected by oil temperature to cause unstable operation.
The difficulty in solving the above problems and defects is:
the main difficulties are: the design requirement of the dust remover not only needs to meet the size required by a mining surface field and ensure the dust settling effect of the dust remover, but also needs to solve the problems of difficult installation and maintenance and the like; the existing nozzle is difficult to ensure good spraying effect.
The significance of solving the problems and the defects is as follows:
the dust remover can better adapt to complex and changeable operating conditions of a mining surface field, the atomization effect of the dust remover is guaranteed, and the dust falling rate is improved. The safety production of coal mine enterprises can be effectively guaranteed, the working environment of an operation area is improved, and the physical and mental health of shaft bottom miners is maintained.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an intelligent dust remover of a water source power coal mining machine and a dust removing method.
The invention is realized in such a way that the intelligent dust remover for the water source power coal mining machine comprises a base, a hydraulic jack, a spraying air duct, a multi-angle combined spraying group, a fixing frame, a rotary spraying group, a magnetizer, an impeller, a fixing plate, a driving device, an annular spraying group, a water inlet main pipeline, a high-pressure filter, a water inlet branch, an electromagnetic valve, a three-way pipe, a dust concentration sensor, a position information receiver and an inner magnet and an outer magnet. The method is characterized in that: the top, the bottom and two sides of the spraying air duct are respectively provided with a dust concentration sensor, a position information receiver, a hydraulic jack and a fixing frame; an air outlet in the spraying air duct is provided with a multi-angle combined spraying group, and a water path arranged in the side wall of the multi-angle combined spraying group is communicated with a fourth water inlet branch pipeline; the middle part is provided with a rotary spraying group, a magnetizer, an impeller and a driving device, and the tail end of the driving device is communicated with the first water inlet branch pipeline; the inner wall of the air inlet is provided with an annular spraying group which is communicated with the third water inlet branch pipeline.
Further, the bottom end and the top end of the hydraulic jack are respectively fixed at the bottom of the base and the front end of the spray air duct through bolts; the position information receiver receives signals sent by the position information transmitters arranged on the side wall of the drum of the coal mining machine, transmits the signals to the central processing system, and wirelessly controls the telescopic amount of the hydraulic jack, so that the aim of controlling the jetting angle of the air duct is fulfilled. The base is movably connected with the spraying air duct through a fixing rod.
Furthermore, the dust concentration sensor transmits the concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump to achieve the purpose of adjusting the jet flow and pressure of the rotary spraying set and the multi-angle combined spraying set.
Furthermore, the multi-angle combined type spraying unit comprises seven solid conical standard nozzles containing cyclone cores, the nozzles are uniformly distributed on a cylindrical semicircular surface respectively, a water channel is arranged in the cylinder, and the nozzles are arranged at an air outlet in the spraying air duct through a fixing frame.
Furthermore, grease is fully distributed in the driving device, the outer part of the driving device is fixed on the shell through bolts, and the shell is welded on the inner wall of the spray air duct through a fixing plate; the rotary spraying shaft tube is fixed with the front end of the driving device through threaded connection, and 3 solid conical standard nozzles containing swirl cores of the rotary spraying group are respectively fixed on the rotary spraying shaft tube and are sprayed outwards at an angle of 120 degrees; the magnetizer is connected to the rotating shaft tube through threads, a samarium-cobalt magnet is selected as a magnetic field source of the magnetizer, and the magnetic circuit adopts an arrangement mode of inner and outer magnets. Meanwhile, the impeller is also fixed on the spraying rotary spraying shaft tube through a flange; the driving device can effectively utilize the inertia of the pressure water to drive the impeller, the magnetizer and the rotary spraying set.
Furthermore, the annular spraying group comprises four solid conical wide-angle nozzles which are uniformly arranged on an annular water path at the tail end of the spraying air duct, and the nozzles and the inner wall of the spraying air duct form 30 degrees.
Furthermore, the first to fourth water inlet branch pipelines are respectively connected with the main water inlet pipeline through a three-way pipe, the main water inlet pipeline is provided with a high-pressure filter, and the high-pressure filter is provided with a back washing device; and the first, third and fourth water inlet branch pipelines are respectively provided with an electromagnetic valve for receiving signals of the central processing system and controlling the opening and closing of the water channel.
The invention also aims to provide a dust removal method of the intelligent water source power coal mining machine dust remover, which comprises the following steps:
the position information receiver receives signals sent by the position information transmitters arranged on the side wall of the drum of the coal mining machine, transmits the signals to the central processing system, wirelessly controls the expansion amount of the hydraulic jack and controls the jetting angle of the air duct;
the dust concentration sensor transmits concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump to adjust the jet flow and pressure of the rotary spraying set and the multi-angle combined spraying set.
Further, the method for adjusting the spraying flow rate and pressure of the rotary spraying set and the multi-angle combined spraying set specifically comprises the following steps:
the driving device drives the impeller, the magnetizer and the rotary spraying set by utilizing the inertia of the pressure water, realizes water energy magnetization and secondary fog drop crushing under the high-speed rotation of the magnetizer and the impeller, and generates a magnetized water fog curtain with high density and particle diameter;
the dust concentration sensor transmits concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump, so that the injection flow and pressure of the rotary spraying set and the multi-angle combined spraying set can be adjusted.
When the dust concentration sensor detects that the dust concentration is 0mg/min3When the spraying is finished, the central processing system controls to close the electromagnetic valves on the first water inlet branch pipeline and the fourth water inlet branch pipeline and open the electromagnetic valve on the third water inlet branch pipeline, and the annular spraying water is used for automatically cleaning coal dust accumulated in the spraying air duct by utilizing the negative pressure effect.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the driving device drives the impeller, the magnetizer and the rotary spraying group by utilizing the inertia of pressure water, realizes water energy magnetization and secondary droplet crushing under the high-speed rotation of the magnetizer and the impeller, and generates a magnetized water fog curtain with high density and particle diameter; the magnetizing device provides a magnetized water matrix for spraying, so that the probability of collision and coagulation with dust can be increased, and efficient capture of coal dust particles is realized. Utilize central processing system wireless regulation spraying rotary spraying group and multi-angle combination formula spraying group's jet flow and pressure, dryer spray angle, not only can effectively reduce the spraying water consumption and guarantee atomization effect, can realize accurate accuse dirt moreover, improve the dust fall rate. The annular spraying can realize the automatic cleaning of the coal dust accumulated in the spraying air duct due to the negative pressure, reduce the product loss rate and prolong the service life.
The invention realizes accurate dust fall and improves the dust fall rate.
(1) The high-density and particle-diameter magnetized water mist curtain formed by the invention can effectively cover and capture coal dust in the roller and inhibit the coal dust from escaping, and meanwhile, an intelligent control system can realize multi-angle accurate dust control on a mining surface site. The rated air quantity can reach 2800m through measurement3Min, effective range of more than 5m, and dust removal efficiency of more than 90 percent
(2) The invention can effectively reduce the coal dust concentration of the mining face, improve the working environment of the operation site, further reduce the incidence rate of safety accidents and pneumoconiosis, ensure the safety production of coal mine enterprises and protect the physical and mental health of coal mine workers.
(3) Technical effect or experimental effect of comparison.
Compared with the prior dust remover, the invention effectively improves the spraying range and the atomization effect, realizes multi-angle accurate dust control and further improves the dust falling rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent water source power shearer dust remover provided by the embodiment of the invention.
Fig. 2 is a schematic structural diagram of a spray dryer provided in the embodiment of the present invention.
Fig. 3 is a schematic view of a multi-angle combined spray structure provided by an embodiment of the invention.
Fig. 4 is a schematic diagram of a circular spray structure provided by an embodiment of the invention.
Fig. 5 is a schematic internal view of a magnetizing apparatus according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of an automatic control principle provided by the embodiment of the invention.
In fig. 1-6: 1. a base; 2. a hydraulic jack; 3. a spray air duct; 4. a multi-angle combined spraying group; 5. a fixed mount; 6. rotating the spray group; 7. a magnetizer; 8. an impeller; 9. a fixing plate; 10. a drive device; 11. an annular spray group; 12. a main water inlet pipeline; 13. a high pressure filter; 14. a first water inlet branch; 15. a second water inlet branch; 16. a third water inlet branch; 17. a fourth water inlet branch; 18. an electromagnetic valve; 19. a three-way pipe; 20. a dust concentration sensor; 21. a position information receiver; 22. inner and outer magnets.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides an intelligent water source power coal mining machine dust remover, which is described in detail in the following with reference to the attached drawings.
As shown in fig. 1-6. The invention provides an intelligent dust remover for a water source power coal mining machine, which comprises a base 1, a hydraulic jack 2, a spraying air duct 3, a multi-angle combined spraying group 4, a fixing frame 5, a rotary spraying group 6, a magnetizer 7, an impeller 8, a fixing plate 9, a driving device 10, an annular spraying group 11, a main water inlet pipeline 12, a high-pressure filter 13, a first water inlet branch 14, a second water inlet branch 15, a third water inlet branch 16, a fourth water inlet branch 17, an electromagnetic valve 18, a three-way pipe 19, a dust concentration sensor 20, a position information receiver 21 and inner and outer magnets 22.
The top, the bottom and two sides of the spraying air duct 3 are respectively provided with a dust concentration sensor 20, a position information receiver 21, a hydraulic jack 2 and a fixing frame 5; the bottom end and the top end of the hydraulic jack 2 are respectively fixed at the bottom of the front ends of the base 1 and the spraying air duct 3 through bolts, and the base 1 and the spraying air duct 3 are movably connected through a fixing rod.
The inside air outlet of spraying dryer 3 is provided with multi-angle combination formula spraying group 4, and the built-in water route of the lateral wall of multi-angle combination formula spraying group 4 communicates with inlet branch pipe way four 17.
The middle part of the spray air duct 3 is provided with a rotary spray group 6, a magnetizer 7, an impeller 8 and a driving device 10, and the tail end of the driving device 10 is communicated with a first water inlet branch pipeline 14; the inner wall of the air inlet is provided with an annular spraying group 11 which is communicated with a third water inlet branch pipeline 16.
In the invention, the related position information receiver 21 receives signals sent by the position information transmitters arranged on the side wall of the drum of the coal mining machine, transmits the signals to the central processing system, and wirelessly controls the expansion amount of the hydraulic jack 2, thereby realizing the purpose of controlling the jetting angle of the air duct.
The dust concentration sensor 20 transmits the concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump to achieve the purpose of adjusting the jet flow and pressure of the rotary spraying group 6 and the multi-angle combined spraying group 4.
The coordination of the two can not only effectively reduce the water consumption of spraying and ensure the atomization effect, but also realize accurate dust control and improve the dust fall rate.
In the invention, the multi-angle combined spraying group 4 comprises seven solid conical standard nozzles containing rotational flow cores, which are respectively and uniformly distributed on a cylindrical semicircular surface, and a water path is arranged in the cylinder and is arranged at an air outlet in the spraying air duct 3 through a fixing frame 5.
In the invention, the driving device 10 is internally filled with butter, the outside of the driving device is fixed on a shell through bolts, and the shell is welded on the inner wall of the spray air duct 3 through a fixing plate 9; the rotary spraying shaft tube is fixed with the front end of the driving device through threaded connection, and three solid conical standard nozzles containing swirl cores of the rotary spraying group 6 are respectively fixed on the rotary spraying shaft tube and are sprayed outwards at an angle of 120 degrees; magnetizer 7 passes through threaded connection on rotatory central siphon, selects for use samarium cobalt magnet as magnetization unit's magnetic field source, and the magnetic circuit adopts the mode of arranging of inside and outside magnet 22. Meanwhile, the impeller 8 is also fixed on the spraying rotary spraying shaft tube through a flange; the driving device 10 can effectively utilize the inertia of the pressure water to drive the impeller, the magnetizer and the rotary spraying group, realize hydroenergy magnetization and secondary fog drop crushing under the high-speed rotation of the magnetizer and the impeller, generate a magnetized water fog curtain with high density and particle diameter, increase the probability of collision and coagulation with dust, and further realize the high-efficiency capture of coal dust particles.
In the invention, the annular spraying group 11 comprises four solid conical wide-angle nozzles which are uniformly arranged on the annular water path at the tail end of the spraying air cylinder 3, and the nozzles are 30 degrees relative to the inner wall of the spraying air cylinder. The annular spraying can realize the self-cleaning to the inside of spraying dryer, reduces the product loss rate and increase of service life.
The water inlet branch pipelines I, II, III, IV 14-17 related by the invention are respectively connected with the water inlet main pipeline through a three-way pipe 19, the water inlet main pipeline 12 is provided with a high-pressure filter 13, and the high-pressure filter 13 is provided with a back washing device so as to realize the back washing of the high-pressure filter and keep the pipelines smooth. The first water inlet branch pipeline 14, the third water inlet branch pipeline 16 and the fourth water inlet branch pipeline 17 are respectively provided with an electromagnetic valve 18 for receiving signals of a central processing system and controlling the opening and closing of the water channel.
The invention provides a basic working principle of an intelligent water source power coal mining machine dust remover, which comprises the following steps:
in the operation process of the intelligent water source power coal mining machine dust remover, the position information receiver 21 receives signals sent by the position information transmitters arranged on the side wall of the drum of the coal mining machine and transmits the signals to the central processing system, and the central processing system wirelessly controls the telescopic amount of the hydraulic jack 2 so as to control the spray angle of the air duct and enable the fog curtain to completely cover a dust source.
And then the central processing system wirelessly controls to open the electromagnetic valves 18 on the water inlet branch pipelines I, IV 14 and IV 17 so as to provide a spraying water source for the multi-angle combined spraying group 4 and the rotary spraying group 6.
The driving device 10 drives the impeller 8, the magnetizer 7 and the rotary spraying group 6 by utilizing the inertia of the pressure water, realizes water energy magnetization and secondary droplet crushing under the high-speed rotation of the magnetizer and the impeller, and generates a magnetized water mist curtain with high density and particle diameter. The dust concentration sensor 19 transmits the concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump, so that the injection flow and pressure of the rotary spraying set and the multi-angle combined spraying set can be adjusted.
When the dust concentration sensor 19 detects that the dust concentration is 0mg/min3When the spraying work is finished, the central processing system controls to close the electromagnetic valves 18 on the first, fourth and 17 water inlet branch pipelines and open the electromagnetic valve 18 on the third 16 water inlet branch pipeline, the annular spraying group 11 receives water to automatically clean coal dust accumulated in the spraying air duct 3 due to the negative pressure, the product loss rate is reduced, and the service life is prolonged.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an intelligence water source power coal-winning machine dust remover, its characterized in that, intelligence water source power coal-winning machine dust remover is provided with: a spray air duct;
the top, the bottom and two sides of the spray air duct are respectively provided with a dust concentration sensor, a position information receiver, a hydraulic jack and a fixing frame;
the bottom end and the top end of the hydraulic jack are respectively fixed at the bottom of the front ends of the base and the spraying air cylinder through bolts, and the base is movably connected with the spraying air cylinder through a fixed rod;
an air outlet in the spraying air duct is provided with a multi-angle combined spraying group, and a water path arranged in the side wall of the multi-angle combined spraying group is communicated with a fourth water inlet branch pipeline;
the middle part of the spray air duct is provided with a rotary spray group, a magnetizer, an impeller and a driving device, and the tail end of the driving device is communicated with the first water inlet branch pipeline;
the inner wall of the air inlet is provided with an annular spraying group which is communicated with the third water inlet branch pipeline.
2. The dust remover of the intelligent water source power coal mining machine according to claim 1, wherein the multi-angle combined spray group comprises seven solid conical nozzles containing cyclone cores, the solid conical nozzles are uniformly distributed on a semi-circular surface of a cylinder respectively, a water path is arranged in the cylinder, and the cylinder is installed at an air outlet in the spray air duct through a fixing frame.
3. The dust remover of the intelligent water source power coal mining machine according to claim 2, wherein the three solid conical standard nozzles containing the swirling flow cores of the rotary spraying group are respectively fixed on a rotary spraying shaft tube and are sprayed outwards at an angle of 120 degrees; the magnetizer is connected to the rotating shaft tube through threads, a samarium-cobalt magnet is selected as a magnetic field source of the magnetizer, and a magnetic circuit adopts an arrangement mode of inner and outer magnets; the impeller is also fixed on the spraying rotary spraying shaft tube of the driving device through a flange.
4. The intelligent water source power coal mining machine dust remover as claimed in claim 1, wherein the outside of the driving device is fixed on the shell through bolts, and the shell is welded on the inner wall of the spray air duct through a fixing plate; the rotary spraying shaft tube is fixed with the front end of the driving device through threaded connection.
5. The intelligent water source power coal mining machine dust remover as claimed in claim 1, wherein the annular spray group comprises four solid conical wide-angle type nozzles uniformly arranged on an annular water path at the tail end of the spray air duct, and the nozzles are at 30 degrees to the inner wall of the spray air duct.
6. The intelligent water source power coal mining machine dust remover according to claim 1, wherein the first water inlet branch pipeline, the second water inlet branch pipeline, the third water inlet branch pipeline, the fourth water inlet branch pipeline and the main water inlet pipeline are respectively connected through a three-way pipe; the water inlet main pipeline is provided with a high-pressure filter, and the high-pressure filter is provided with a back washing device.
7. The dust remover of the intelligent water source power coal mining machine according to claim 1, wherein electromagnetic valves are additionally arranged on the first water inlet branch pipeline, the third water inlet branch pipeline and the fourth water inlet branch pipeline respectively to receive signals of a central processing system and control the opening and closing of the water channel.
8. The dust removal method of the dust remover of the intelligent water source power coal mining machine is characterized by comprising the following steps of:
the position information receiver receives signals sent by the position information transmitters arranged on the side wall of the drum of the coal mining machine, transmits the signals to the central processing system, wirelessly controls the expansion amount of the hydraulic jack and controls the jetting angle of the air duct;
the dust concentration sensor transmits concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump to adjust the jet flow and pressure of the rotary spraying set and the multi-angle combined spraying set.
9. The dust removing method of the intelligent water source power coal mining machine dust remover according to claim 8, wherein the method for adjusting the spraying flow and pressure of the rotary spraying set and the multi-angle combined spraying set specifically comprises the following steps:
the driving device drives the impeller, the magnetizer and the rotary spraying set by utilizing the inertia of the pressure water, realizes water energy magnetization and secondary fog drop crushing under the high-speed rotation of the magnetizer and the impeller, and generates a magnetized water fog curtain with high density and particle diameter;
the dust concentration sensor transmits concentration information to the central processing system in real time, and the central processing system controls the rotating speed of the stepping motor through the frequency conversion mechanism so as to control the reciprocating motion of the pressure pump, so that the jet flow and the pressure of the rotary spraying set and the multi-angle combined spraying set are adjusted;
when the dust concentration sensor detects that the dust concentration is 0mg/min3When the spraying is finished, the central processing system controls to close the electromagnetic valves on the first water inlet branch pipeline and the third water inlet branch pipeline and open the electromagnetic valve on the fourth water inlet branch pipeline, and the annular spraying assembly water automatically cleans coal dust accumulated in the spraying air duct by using the negative pressure effect.
10. A coal mining machine carrying the dust remover of the intelligent water source power coal mining machine according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298571.XA CN112412452B (en) | 2020-11-19 | 2020-11-19 | Intelligent water source power coal mining machine dust remover and dust removing method |
Applications Claiming Priority (1)
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| CN113731074A (en) * | 2021-08-30 | 2021-12-03 | 安徽燚诚环保科技有限公司 | Dust fall atomizer and dust fall water-spraying system |
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