CN115434743A - Pneumatic air purification equipment for coal mining - Google Patents
Pneumatic air purification equipment for coal mining Download PDFInfo
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- CN115434743A CN115434743A CN202210921171.2A CN202210921171A CN115434743A CN 115434743 A CN115434743 A CN 115434743A CN 202210921171 A CN202210921171 A CN 202210921171A CN 115434743 A CN115434743 A CN 115434743A
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000004887 air purification Methods 0.000 title claims abstract description 19
- 238000005065 mining Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 23
- 238000007664 blowing Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 description 26
- 239000002245 particle Substances 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/26—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of coal mine equipment, in particular to pneumatic air purification equipment for coal mining, which comprises an air guide cylinder, wherein the opening end face of the air guide cylinder is arranged in an inclined state, the other end of the air guide cylinder is communicated with an air guide pipe, and the bottom of the air guide cylinder is communicated with a collection box; the piston plate is slidably positioned in the air guide cylinder, a through hole is formed in the middle of the piston plate, and a filter screen is arranged in the through hole; this equipment can effectively improve the interior air purification effect of tunnel, reduces the impurity content in the exhaust air, improve equipment function diversity, effectively avoid the impurity to cause the jam to equipment simultaneously, save the time and the manpower of frequent shut down clearance, improve work efficiency, the convenience provides sufficient air to the workman, improves the practicality.
Description
Technical Field
The invention relates to the technical field of coal mine equipment, in particular to pneumatic air purification equipment for coal mining.
Background
As everyone knows, the coal mine in the in-process of exploitation, need in time discharge the air in the exploitation tunnel to make the interior air of tunnel keep clean and tidy, make things convenient for the workman to normally breathe, and because the coal mining in-process produces more dust easily, the dust is followed the air and is directly discharged and cause the environment easily, need carry out filtration treatment to its exhaust air.
The existing filtering equipment is usually used for directly carrying out static filtering treatment on particle impurities such as dust through a filter screen, however, after the equipment is used for a long time, the impurities intercepted in the equipment are more, the filter screen is easily blocked, the running period of the equipment is short, shutdown cleaning needs to be frequently carried out, the air discharge efficiency in a roadway is influenced, the breathing difficulty of workers is easily caused, the function of the equipment is single, and the filtering effect is poor.
Disclosure of Invention
In order to solve the technical problem, the invention provides pneumatic air purification equipment for coal mining.
In order to achieve the purpose, the invention adopts the technical scheme that:
pneumatic air purification equipment is adopted in coal mining includes:
the end face of an opening of the air guide cylinder is arranged in an inclined state, the other end of the air guide cylinder is communicated with an air guide pipe, and the bottom of the air guide cylinder is communicated with a collection box;
the piston plate is slidably positioned in the air guide cylinder, a through hole is formed in the middle of the piston plate, and a filter screen is arranged in the through hole;
a first sieve barrel is arranged on the side wall of the filter screen facing the opening direction of the air guide barrel, the circumferential inner wall of the first sieve barrel is conical, and a plurality of filter holes are uniformly communicated with the circumferential outer wall of the first sieve barrel;
a second sieve barrel is slidably sleeved on the outer wall of the first sieve barrel, a plurality of filter holes are uniformly and communicatively formed in the circumferential outer wall of the second sieve barrel, the positions of the filter holes in the first sieve barrel correspond to those of the filter holes in the second sieve barrel, an annular sealing sheet is sleeved on one side, close to the piston plate, of the outer wall of the first sieve barrel, the annular sealing sheet is located between the first sieve barrel and the second sieve barrel, and a conical air guide block is arranged at one end, close to the opening of the air guide barrel, of the second sieve barrel;
an elastic pulling mechanism is arranged between the conical air guide block and the piston plate, a supporting mechanism is arranged on the outer wall of the second sieve barrel in a rotating mode, and an air blowing mechanism is arranged on the conical surface of the conical air guide block.
Furthermore, the supporting mechanism comprises a first annular air guide bin arranged on the outer wall of the circumference of the second sieve barrel, a second annular air guide bin is rotatably sleeved on the outer wall of the first annular air guide bin, a plurality of mounting plates are uniformly arranged on the outer wall of the second annular air guide bin, and the outer end of each mounting plate is fixed on the inner wall of the corresponding air guide cylinder;
the first annular air guide bin and the second annular air guide bin are communicated with each other, and a plurality of first air pipes are uniformly communicated and arranged on the side wall of the first annular air guide bin;
a cavity is arranged in the conical air guide block, and the other end of the first air pipe extends into the conical air guide block and inclines towards the direction of the piston plate;
the air blowing mechanism comprises a plurality of arc-shaped air vent groove plates which are uniformly arranged on the conical outer wall of the conical air guide block in an annular shape, the arc-shaped air vent groove plates are communicated with the inside of the fourth air pipe, and the arc-shaped air vent groove plates are inclined;
the air guide device is characterized in that an air pump is arranged on the outer wall of the air guide cylinder, second air pipes are arranged at the input end and the output end of the air pump, the input end of one second air pipe extends to the position above the ground, an air guide mechanism is communicated with the output end of the other second air pipe, and the air guide mechanism is communicated with the second annular air guide bin.
Furthermore, the air guide mechanism comprises a reversing air bin arranged on the outer wall of the air guide cylinder, one side of the reversing air bin is communicated with a second air pipe in an exhaust state, the other side of the reversing air bin is communicated with a third air pipe, and the output end of the third air pipe penetrates through the end face of the air guide cylinder and corresponds to the position of the filter screen;
two fourth air pipes are symmetrically arranged on the reversing air bin, the fourth air pipes are communicated with the reversing air bin, the other ends of the fourth air pipes penetrate through the air guide cylinders and are communicated with the second annular air guide bin, a sealing plate is arranged on one side, far away from the air pump, in the reversing air bin, and blocks the third air pipes, the sealing plate is far away from the fourth air pipes, two first plate springs are arranged on the sealing plate, and the other ends of the first plate springs are fixed on the inner wall of the reversing air bin;
a wedge-shaped push plate is arranged on one side, far away from the first plate spring, of the sealing plate, the other end of the wedge-shaped push plate penetrates through the reversing air bin and the air guide cylinder and extends into the air guide cylinder, and the reversing air bin and the air guide cylinder are connected with the wedge-shaped push plate in a sliding mode;
the outer wall of the second sieve barrel is provided with a wedge-shaped top plate, the shape of the wedge-shaped top plate corresponds to that of the wedge-shaped push plate, the end face of the wedge-shaped push plate is uniformly provided with a plurality of rollers in a rotating mode, and the rollers are in contact with the end face of the wedge-shaped top plate.
Furthermore, a plurality of sliding grooves are evenly formed in the outer wall of the first sieve barrel, the direction of each sliding groove is along the axis direction of the first sieve barrel, sliding plates are arranged in the sliding grooves in a sliding mode, and the outer ends of the sliding plates are fixed to the second sieve barrel.
Furthermore, the elastic pulling mechanism comprises two hexagonal frames positioned in the first sieve barrel, one hexagonal frame is arranged on the conical air guide block, six push-pull arms are uniformly arranged on the hexagonal frame in an inclined and rotating manner, the other hexagonal frame is arranged on the piston plate, six sliding blocks are uniformly arranged on the hexagonal frame in a sliding manner, and the other ends of the push-pull arms are rotatably arranged on the corresponding sliding blocks;
and a second plate spring is arranged on the push-pull arm, and the other end of the second plate spring is arranged on a hexagonal frame on the conical air guide block.
Furthermore, a plurality of arc-shaped air guide plates are uniformly distributed on the inner wall of the air guide cylinder in an annular mode, the arc-shaped air guide plates incline and are far away from the conical air guide block, and the caliber of one end, close to the conical air guide block, of each arc-shaped air guide plate is smaller than that of one end, far away from the conical air guide block, of each arc-shaped air guide plate.
Furthermore, a plurality of air stirring rods are uniformly arranged on the inner wall of the air guide cylinder, the air stirring rods are located between the arc-shaped air guide plate and the mounting plate, and one end face, facing the arc-shaped air guide plate, of each air stirring rod is conical.
Furthermore, an isolation net is obliquely arranged at the opening position of the gas cylinder.
Compared with the prior art, the invention has the beneficial effects that: the equipment is arranged on the top wall of a coal mine tunnel, when the equipment is in an initial state, an elastic pulling mechanism generates pulling force on a conical air guide block and a piston plate, the piston plate is in contact with the end surface of a second sieve barrel, the positions of filter holes on a first sieve barrel and the positions of filter holes on a second sieve barrel are in a staggered state, the outer wall of the first sieve barrel blocks the filter holes of the second sieve barrel, the inner wall of the second sieve barrel blocks the filter holes of the first sieve barrel, an air suction pump on the ground is communicated with an air guide pipe and pumps air on the right side of the piston plate in the air guide pipe through the air guide pipe, the air pressure value of the right side wall of the piston plate is reduced, air in the tunnel enters the air guide pipe through an opening of the air guide pipe and generates thrust towards one side of the air guide pipe to the piston plate, the piston plate slides in the air guide pipe and drives the first sieve barrel and the second sieve barrel to generate relative movement, at the moment, the filter holes on the first sieve barrel and the second sieve barrel are gradually butted and communicated with each other, air in the air guide cylinder enters the first screen cylinder through the filtering holes in the second screen cylinder and the filtering holes in the first screen cylinder, the filtering holes can filter and intercept large granular substances in the air in a roadway, meanwhile, when the air suction quantity of the ground suction pump changes, the position of the piston plate changes, the communicating caliber of the filtering holes in the first screen cylinder and the filtering holes in the second screen cylinder changes, so that the equipment can automatically adjust the filtering precision of the filtering holes according to the air pressure difference, the air in the first screen cylinder passes through the filtering net on the piston plate to enter the right side of the piston plate, the filtering net secondarily filters small granular impurities in the air, the secondarily filtered air enters the air guide pipe and is discharged to the ground, so that the air purification work of the air is completed, meanwhile, the air blowing mechanism can suck clean air on the ground and obliquely discharge the clean air into the air guide cylinder, so that the air discharged by the air blowing mechanism is mixed with the air sucked into the air guide cylinder, the gas concentration in the air is reduced, the safety is improved, meanwhile, because the air discharged by the air blowing mechanism inclines, the air blowing mechanism can reversely act on the conical air guide block and enables the conical air guide block to rotate, the conical air guide block drives the second sieve barrel, the annular sealing sheet, the first sieve barrel, the piston plate and the filter screen to synchronously rotate, so that the filtering holes in the first sieve barrel and the filtering holes in the second sieve barrel enable the air to rotate and centrifuge while filtering the air, particle impurities in the air can be conveniently separated and fall into the collecting box, the purifying effect of the air is improved, impurities intercepted around the filtering holes can be thrown away from the filtering holes, the filtering holes are prevented from being blocked by the impurities, the air permeability of the filtering holes is improved, the equipment can effectively improve the air purifying effect in a roadway, the impurity content in the discharged air is reduced, the functional diversity of the equipment is improved, the equipment is prevented from being blocked by the impurities, the time and manpower for frequent shutdown and cleaning are saved, the working efficiency is improved, and sufficient air is conveniently provided for workers, and the practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the gas cartridge of FIG. 1;
FIG. 3 is an enlarged schematic view of the piston plate of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the interior of the second screen basket of FIG. 3;
FIG. 5 is an enlarged view of a portion A of FIG. 2;
FIG. 6 is an enlarged view of a portion B of FIG. 2;
in the drawings, the reference numbers: 1. an air guide cylinder; 2. an air duct; 3. a collection box; 4. a piston plate; 5. filtering with a screen; 6. a first sieve barrel; 7. a second sieve barrel; 8. an annular sealing sheet; 9. a conical air guide block; 10. a first annular air guide bin; 11. a second annular air guide bin; 12. mounting a plate; 13. a first air pipe; 14. an arc-shaped vent groove plate; 15. an air pump; 16. a second air pipe; 17. a reversing gas bin; 18. a third air pipe; 19. a fourth gas pipe; 20. closing plates; 21. a first plate spring; 22. a wedge-shaped push plate; 23. a wedge-shaped top plate; 24. a roller; 25. a slide plate; 26. a hexagonal frame; 27. a push-pull arm; 28. a slider; 29. a second plate spring; 30. an arc-shaped air guide plate; 31. a gas stirring rod; 32. an isolation net.
Detailed Description
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 6, a pneumatic air cleaning apparatus for coal mining according to the present invention includes:
the gas guide cylinder is 1, the opening end face of the gas guide cylinder 1 is set to be in an inclined state, the other end of the gas guide cylinder 1 is communicated with a gas guide pipe 2, and the bottom of the gas guide cylinder 1 is communicated with a collection box 3;
the piston plate 4 is slidably positioned in the air guide cylinder 1, a through hole is formed in the middle of the piston plate 4, and a filter screen 5 is arranged in the through hole;
a first sieve barrel 6 is arranged on the side wall of the filter screen 5 facing the opening direction of the air guide barrel 1, the inner circumferential wall of the first sieve barrel 6 is conical, and a plurality of filter holes are uniformly and communicated with the outer circumferential wall of the first sieve barrel 6;
a second sieve barrel 7 is slidably sleeved on the outer wall of the first sieve barrel 6, a plurality of filter holes are uniformly and communicatively formed in the circumferential outer wall of the second sieve barrel 7, the positions of the filter holes in the first sieve barrel 6 correspond to the positions of the filter holes in the second sieve barrel 7, an annular sealing sheet 8 is sleeved on one side, close to the piston plate 4, of the outer wall of the first sieve barrel 6, the annular sealing sheet 8 is located between the first sieve barrel 6 and the second sieve barrel 7, and a conical air guide block 9 is arranged at one end, close to the opening of the air guide cylinder 1, of the second sieve barrel 7;
an elastic pulling mechanism is arranged between the conical air guide block 9 and the piston plate 4, a supporting mechanism is rotatably arranged on the outer wall of the second sieve barrel 7, and an air blowing mechanism is arranged on the conical surface of the conical air guide block 9.
In the embodiment, the equipment is installed on the top wall of a coal mine tunnel, when the equipment is in an initial state, the elastic pulling mechanism generates pulling force on the conical air guide block 9 and the piston plate 4, at the moment, the piston plate 4 is in contact with the end surface of the second sieve barrel 7, the positions of the filter holes on the first sieve barrel 6 and the filter holes on the second sieve barrel 7 are in a staggered state, the outer wall of the first sieve barrel 6 blocks the filter holes of the second sieve barrel 7, the inner wall of the second sieve barrel 7 blocks the filter holes of the first sieve barrel 6, the ground suction pump is communicated with the air guide tube 2 and pumps out air on the right side of the piston plate 4 in the air guide tube 1 through the air guide tube 2, the air pressure value on the right side wall of the piston plate 4 is reduced, air in the tunnel enters the air guide tube 1 through the opening of the air guide tube 1 and generates pushing force towards one side of the air guide tube 2 on the piston plate 4, the piston plate 4 slides in the air guide tube 1 and drives the first sieve barrel 6 and the second sieve barrel 7 to generate relative movement, at the moment, the positions of the filter holes on the first screen barrel 6 and the filter holes on the second screen barrel 7 are gradually butted and communicated with each other, the air in the air guide cylinder 1 enters the first screen barrel 6 through the filter holes on the second screen barrel 7 and the filter holes on the first screen barrel 6, the filter holes can filter and intercept large granular substances in the air in the roadway, meanwhile, when the suction volume of the ground suction pump is changed, the position of the piston plate 4 is changed, at the moment, the communication caliber of the filter holes on the first screen barrel 6 and the filter holes on the second screen barrel 7 is changed, so that the equipment can automatically adjust the filtering precision of the filter holes according to the air pressure difference, the air in the first screen barrel 6 passes through the filter screen 5 on the piston plate 4 to enter the right side of the piston plate 4, the filter screen 5 carries out secondary filtration on smaller granular impurities in the air, the air after the secondary filtration enters the air guide pipe 2 and is discharged to the ground, therefore, the air purification work is completed, meanwhile, the air blowing mechanism can suck clean air on the ground and obliquely discharge the clean air into the air guide cylinder 1, so that the air discharged by the air blowing mechanism is mixed with the air sucked into the air guide cylinder 1 in a roadway, the gas concentration in the air is reduced, the safety is improved, meanwhile, the air discharged by the air blowing mechanism inclines, the air can reversely act on the conical air guide block 9 and enables the conical air guide block 9 to rotate, the conical air guide block 9 drives the second sieve barrel 7, the annular sealing sheet 8, the first sieve barrel 6, the piston plate 4 and the filter screen 5 to synchronously rotate, so that the filter holes in the first sieve barrel 6 and the filter holes in the second sieve barrel 7 can filter the air and simultaneously enable the air to rotate and centrifuge, the particle impurities in the air can be conveniently and centrifugally separated and fall into the collecting box 3, the air purification effect is improved, meanwhile, the impurities intercepted around the filter holes can be thrown away, the filter holes are prevented from being blocked by the impurities, the air permeability is improved, the air purification effect of effectively improving the air purification effect of air purification of discharging, the impurity purification efficiency of air purification in the roadway is reduced, the efficiency of workers is improved, and the efficiency of the manpower is improved.
In this embodiment, because 1 opening of air guide cylinder sets up the tilt state, can avoid in the stone entering equipment that the tunnel inner wall drops, when piston plate 4 receives the atmospheric pressure influence to remove, it rotates with second sieve bucket 7 synchronization, filter screen 5 synchronization rotates, thereby conveniently make the impurity of filter screen 5 interception break away from the filter screen 5 lateral wall, through setting up first sieve bucket 6 circumference inner wall into the toper, can conveniently lead the impurity that the filter screen 5 interception drops, conveniently make impurity along first sieve bucket 6 inner wall conical surface to toper air guide block 9 one side remove and through in the first sieve bucket 6 filtration pore and the filtration pore reselection on the second sieve bucket 7 flies into air guide cylinder 1, conveniently clear up impurity in the first sieve bucket 6, through setting up annular gasket 8, can conveniently carry out the shutoff to the gap that is close to piston plate 4 one side between second sieve bucket 7 and the first sieve bucket 6, when avoiding piston plate 4 to keep away from second sieve bucket 7, impurity gets into between first sieve bucket 6 and the second sieve bucket 7 through the gap.
As a preferred embodiment of the above embodiment, the supporting mechanism includes a first annular air guide bin 10 installed on the outer wall of the circumference of the second sieve barrel 7, a second annular air guide bin 11 is rotatably sleeved on the outer wall of the first annular air guide bin 10, a plurality of mounting plates 12 are uniformly arranged on the outer wall of the second annular air guide bin 11, and the outer ends of the mounting plates 12 are fixed on the inner wall of the air guide barrel 1;
the first annular air guide bin 10 is communicated with the second annular air guide bin 11, and a plurality of first air pipes 13 are uniformly communicated and arranged on the side wall of the first annular air guide bin 10;
a cavity is arranged in the conical air guide block 9, and the other end of the first air pipe 13 extends into the conical air guide block 9 and inclines towards the direction of the piston plate 4;
the air blowing mechanism comprises a plurality of arc-shaped vent groove plates 14 which are uniformly arranged on the conical outer wall of the conical air guide block 9 in an annular shape, the arc-shaped vent groove plates 14 are communicated with the inside of the fourth air pipe 19, and the arc-shaped vent groove plates 14 are inclined;
an air pump 15 is arranged on the outer wall of the air guide cylinder 1, second air pipes 16 are arranged at the input end and the output end of the air pump 15, the input end of one second air pipe 16 extends to the position above the ground, an air guide mechanism is communicated with the output end of the other second air pipe 16, and the air guide mechanism is communicated with the second annular air guide bin 11.
In this embodiment, the air pump 15 sucks air on the ground through one second air pipe 16 and discharges the air into the second annular air guide bin 11 through another second air pipe 16 and the air guide mechanism, the air in the second annular air guide bin 11 is discharged into the conical air guide block 9 through the first annular air guide bin 10 and the first air pipe 13, because one end of the first air pipe 13 extending into the conical air guide block 9 faces the direction of the piston plate 4, the air discharged into the conical air guide block 9 by the first air pipe 13 impinges on the inner wall of the conical air guide block 9 and diffuses, so that the air discharged into the conical air guide block 9 is uniformly distributed, the air in the conical air guide block 9 is discharged through the arc-shaped air guide slot plate 14, the air discharged by the arc-shaped air guide slot plate 14 is mixed with the air sucked into the air guide cylinder 1, thereby reducing the gas concentration in the air in the arc-shaped air guide cylinder, improving the safety, and simultaneously because the arc-shaped air guide slot plate 14 is inclined, the air discharged by the arc-shaped air guide slot plate 14 reversely pushes the arc-shaped air guide slot plate 14 and rotates, the air guide slot plate 9 drives the air guide cylinder 9 to drive the second air guide bin 7 to rotate, thereby facilitating the second annular air guide bin 11 to rotate, and the second annular air guide bin 11 to separate particles in the centrifugal air guide bin 11, thereby facilitating the centrifugal air guide bin 11 and the centrifugal air guide cylinder 11 to move, and the centrifugal air guide cylinder 11, and the centrifugal air guide bin 11, and the centrifugal air guide cylinder 9.
As a preference of the above embodiment, the gas guide mechanism comprises a reversing gas bin 17 mounted on the outer wall of the gas guide cylinder 1, one side of the reversing gas bin 17 is communicated with a second gas pipe 16 in a gas exhaust state, the other side of the reversing gas bin 17 is communicated with a third gas pipe 18, and the output end of the third gas pipe 18 penetrates through the end face of the gas guide cylinder 1 and corresponds to the position of the filter screen 5;
two fourth air tubes 19 are symmetrically arranged on the reversing air bin 17, the fourth air tubes 19 are communicated with the reversing air bin 17, the other ends of the fourth air tubes 19 penetrate through the air guide cylinder 1 and are communicated with the second annular air guide bin 11, a sealing plate 20 is arranged on one side, far away from the air pump 15, in the reversing air bin 17, the sealing plate 20 seals the third air tube 18, the sealing plate 20 is far away from the fourth air tubes 19, two first plate springs 21 are arranged on the sealing plate 20, and the other ends of the first plate springs 21 are fixed on the inner wall of the reversing air bin 17;
a wedge-shaped push plate 22 is arranged on one side, far away from the first plate spring 21, of the sealing plate 20, the other end of the wedge-shaped push plate 22 penetrates through the reversing air bin 17 and the air guide cylinder 1 and extends into the air guide cylinder 1, and the reversing air bin 17 and the air guide cylinder 1 are both connected with the wedge-shaped push plate 22 in a sliding mode;
the outer wall of the second sieve barrel 7 is provided with a wedge-shaped top plate 23, the shape of the wedge-shaped top plate 23 corresponds to that of the wedge-shaped push plate 22, the end face of the wedge-shaped push plate 22 is uniformly provided with a plurality of rollers 24 in a rotating mode, and the rollers 24 are in contact with the end face of the wedge-shaped top plate 23.
In this embodiment, the second sieve barrel 7 rotates to drive the wedge-shaped top plate 23 to rotate synchronously, the air pump 15 discharges air into the reversing air bin 17 through the second air pipe 16 and discharges the air into the second annular air bin 11 through the two fourth air pipes 19, so as to supply air to the inside of the second annular air bin 11, when the wedge-shaped top plate 23 rotates to the position below the wedge-shaped push plate 22, the wedge-shaped top plate 23 pushes the wedge-shaped push plate 22 to move upwards through the roller 24, the wedge-shaped push plate 22 pushes the closing plate 20 to move upwards, at this time, the closing plate 20 closes the fourth air pipes 19, and the closing plate 20 stops closing the third air pipes 18, the first plate spring 21 is in an elastic compression state, the air in the reversing air bin 17 enters the third air pipe 18 and is discharged onto the filter screen 5 through the output end of the third air pipe 18, so as to perform reverse air blowing cleaning treatment on the filter screen 5, make the filter screen 5 go up filterable impurity and drop conveniently, improve the gas permeability of filter screen 5, cross wedge push pedal 22 and continue to rotate when wedge roof 23, 2 promote shrouding 20 and move down and resume initial position, air in the switching-over air bunker 17 continues to get into in the fourth trachea 19 this moment, shrouding 20 blocks third trachea 18 again, when wedge push pedal 22 below when wedge roof 23 rotates again, third trachea 18 is repeated to carry out the air-blowing clearance to filter screen 5, thereby make the air in the switching-over air bunker 17 periodically discharge in third trachea 18 and carry out periodic air-blowing clearance processing to filter screen 5, through setting up roller 24, can conveniently make wedge roof 23 promote when wedge push pedal 22 removes, wedge roof 23 and roller 24 produce relative roll, reduce the frictional resistance of wedge roof 23.
As a preferred embodiment of the foregoing embodiment, a plurality of sliding grooves are uniformly formed in the outer wall of the first sieve barrel 6, the direction of the sliding grooves is along the axial direction of the first sieve barrel 6, sliding plates 25 are slidably disposed in the sliding grooves, and the outer ends of the sliding plates 25 are fixed on the second sieve barrel 7.
In this embodiment, when first sieve bucket 6 and second sieve bucket 7 produced relative movement, slide 25 slides in the spout, through setting up slide 25 and spout, can conveniently lead the relative movement direction of first sieve bucket 6 and second sieve bucket 7, conveniently make first sieve bucket 6 and second sieve bucket 7 keep synchronous rotation, the inner wall of spout can carry on spacingly to slide 25 shift position simultaneously, thereby carry on spacingly to the position of first sieve bucket 6 and second sieve bucket 7, avoid it to break away from each other.
Preferably, the elastic pulling mechanism comprises two hexagonal frames 26 positioned in the first sieve barrel 6, one hexagonal frame 26 is arranged on the conical air guide block 9, six push-pull arms 27 are uniformly and obliquely and rotatably arranged on the hexagonal frame 26, the other hexagonal frame 26 is arranged on the piston plate 4, six sliding blocks 28 are uniformly and slidably arranged on the hexagonal frame 26, and the other ends of the push-pull arms 27 are rotatably arranged on the corresponding sliding blocks 28;
the push-pull arm 27 is provided with a second plate spring 29, and the other end of the second plate spring 29 is arranged on the hexagonal frame 26 on the conical air guide block 9.
In this embodiment, when the piston plate 4 is far away from the tapered air guide block 9, the first sieve barrel 6 pulls the push-pull arm 27 to rotate obliquely through the hexagonal frame 26 and the slider 28 thereon, the push-pull arm 27 pulls the second plate spring 29 to deform elastically, and the slider 28 slides on the corresponding hexagonal frame 26, when the piston plate 4 and the tapered air guide block 9 approach each other, the elastic pulling force generated by the second plate spring 29 to the push-pull arm 27 pulls the push-pull arm 27 to rotate to the initial position, and at this time, the push-pull arm 27 pulls the piston plate 4 through the slider 28 and the other hexagonal frame 26, thereby generating an elastic pulling force for the interaction between the piston plate 4 and the tapered air guide block 9.
In this embodiment, the hexagonal frame 26, the six push-pull arms 27 and the six sliders 28 can simultaneously support the piston plate 4, so as to improve the connection strength between the piston plate 4 and the tapered air guide block 9.
Preferably, a plurality of arc-shaped air guide plates 30 are uniformly distributed on the inner wall of the air guide cylinder 1 in a ring shape, the arc-shaped air guide plates 30 are inclined and far away from the conical air guide block 9, and the caliber of one end, close to the conical air guide block 9, of each arc-shaped air guide plate 30 is smaller than that of the other end, far away from the conical air guide block 9.
In this embodiment, through setting up arc air deflector 30, can conveniently accomodate the direction to the tunnel air that gets into in the air guide tube 1 and handle, conveniently make the air along the rotatory flow of arc air deflector 30 inner wall, because the one end bore that is close to toper air deflector 9 on the arc air deflector 30 compares the one end bore of keeping away from toper air deflector 9 less, can conveniently make the air flow towards 1 inner wall direction of air guide tube, linear velocity when improving the air rotation to improve air centrifugal speed.
As a preferable mode of the above embodiment, a plurality of air stirring rods 31 are uniformly arranged on the inner wall of the air guide cylinder 1, the air stirring rods 31 are located between the arc-shaped air guide plate 30 and the mounting plate 12, and one end surface of the air stirring rods 31 facing the arc-shaped air guide plate 30 is tapered.
In this embodiment, stir gas pole 31 through the setting, can conveniently shunt the processing of stirring to 14 exhaust air in tunnel air and arc air duct board, improve the air mixing homogeneity, conveniently make gas concentration evenly reduce.
Preferably, in the above embodiment, the gas cylinder 1 is provided with an isolation net 32 at an inclined position at the opening.
In this embodiment, through setting up separation net 32, can conveniently block the grit that splashes in the tunnel, avoid the grit to get into in the equipment, the air in the tunnel can pass through separation net 32 and get into in gas guide cylinder 1 simultaneously.
The installation mode, the connection mode or the arrangement mode of the pneumatic air purification equipment for coal mining provided by the invention are common mechanical modes, and the pneumatic air purification equipment can be implemented as long as the beneficial effects of the pneumatic air purification equipment are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pneumatic air purification device for coal mining, comprising:
the gas cylinder is characterized by comprising a gas cylinder (1), wherein the opening end face of the gas cylinder (1) is set to be in an inclined state, the other end of the gas cylinder (1) is communicated with a gas guide pipe (2), and the bottom of the gas cylinder (1) is communicated with a collection box (3);
the piston plate (4) is slidably positioned in the air guide cylinder (1), a through hole is formed in the middle of the piston plate (4), and a filter screen (5) is arranged in the through hole;
a first sieve barrel (6) is arranged on the side wall of the filter screen (5) facing the opening direction of the air guide barrel (1), the inner wall of the circumference of the first sieve barrel (6) is conical, and a plurality of filter holes are uniformly communicated with the outer wall of the circumference of the first sieve barrel (6);
a second sieve barrel (7) is slidably sleeved on the outer wall of the first sieve barrel (6), a plurality of filter holes are uniformly formed in the circumferential outer wall of the second sieve barrel (7) in a communicating manner, the positions of the filter holes in the first sieve barrel (6) correspond to the positions of the filter holes in the second sieve barrel (7), an annular sealing sheet (8) is sleeved on one side, close to the piston plate (4), of the outer wall of the first sieve barrel (6), the annular sealing sheet (8) is located between the first sieve barrel (6) and the second sieve barrel (7), and a conical air guide block (9) is arranged at one end, close to the opening of the air guide cylinder (1), of the second sieve barrel (7);
an elastic pulling mechanism is arranged between the conical air guide block (9) and the piston plate (4), a supporting mechanism is arranged on the outer wall of the second sieve barrel (7) in a rotating mode, and an air blowing mechanism is arranged on the conical surface of the conical air guide block (9).
2. The pneumatic air purification device for coal mining of claim 1, characterized in that the supporting mechanism comprises a first annular air guide bin (10) mounted on the outer wall of the circumference of the second screen barrel (7), a second annular air guide bin (11) is rotatably sleeved on the outer wall of the first annular air guide bin (10), a plurality of mounting plates (12) are uniformly arranged on the outer wall of the second annular air guide bin (11), and the outer ends of the mounting plates (12) are fixed on the inner wall of the air guide barrel (1);
the first annular air guide bin (10) is communicated with the second annular air guide bin (11), and a plurality of first air pipes (13) are uniformly communicated with the side wall of the first annular air guide bin (10);
a cavity is arranged in the conical air guide block (9), and the other end of the first air pipe (13) extends into the conical air guide block (9) and inclines towards the direction of the piston plate (4);
the air blowing mechanism comprises a plurality of arc-shaped air vent groove plates (14) which are uniformly arranged on the conical outer wall of the conical air guide block (9) in an annular shape, the arc-shaped air vent groove plates (14) are communicated with the interior of the fourth air pipe (19), and the arc-shaped air vent groove plates (14) are inclined;
the air pump (15) is arranged on the outer wall of the air guide cylinder (1), the input end and the output end of the air pump (15) are respectively provided with a second air pipe (16), the input end of one second air pipe (16) extends to the position above the ground, the output end of the other second air pipe (16) is communicated with an air guide mechanism, and the air guide mechanism is communicated with the second annular air guide bin (11).
3. A pneumatic air cleaning device for coal mining according to claim 2, characterized in that the air guiding mechanism comprises a reversing air chamber (17) mounted on the outer wall of the air guiding cylinder (1), one side of the reversing air chamber (17) is communicated with the second air pipe (16) in the air discharging state, the other side of the reversing air chamber (17) is communicated with a third air pipe (18), and the output end of the third air pipe (18) penetrates through the end face of the air guiding cylinder (1) and corresponds to the position of the filter screen (5);
two fourth air tubes (19) are symmetrically arranged on the reversing air bin (17), the fourth air tubes (19) are communicated with the reversing air bin (17), the other ends of the fourth air tubes (19) penetrate through the air guide cylinder (1) and are communicated with the second annular air guide bin (11), a sealing plate (20) is arranged on one side, far away from the air pump (15), in the reversing air bin (17), the sealing plate (20) seals the third air tube (18), the sealing plate (20) is far away from the fourth air tube (19), two first plate springs (21) are arranged on the sealing plate (20), and the other ends of the first plate springs (21) are fixed on the inner wall of the reversing air bin (17);
a wedge-shaped push plate (22) is arranged on one side, away from the first plate spring (21), of the sealing plate (20), the other end of the wedge-shaped push plate (22) penetrates through the reversing air bin (17) and the air guide cylinder (1) and extends into the air guide cylinder (1), and the reversing air bin (17) and the air guide cylinder (1) are connected with the wedge-shaped push plate (22) in a sliding mode;
the outer wall of the second sieve barrel (7) is provided with a wedge-shaped top plate (23), the wedge-shaped top plate (23) corresponds to the wedge-shaped push plate (22) in shape, the end face of the wedge-shaped push plate (22) is uniformly provided with a plurality of rollers (24) in a rotating mode, and the rollers (24) are in end face contact with the wedge-shaped top plate (23).
4. A pneumatic air cleaning device for coal mining according to claim 3, characterized in that a plurality of sliding grooves are uniformly arranged on the outer wall of the first screen barrel (6), the direction of the sliding grooves is along the axial direction of the first screen barrel (6), sliding plates (25) are arranged in the sliding grooves in a sliding manner, and the outer ends of the sliding plates (25) are fixed on the second screen barrel (7).
5. A pneumatic air cleaning device for coal mining according to claim 4, characterized in that the elastic pulling mechanism comprises two hexagonal frames (26) in the first screen barrel (6), one hexagonal frame (26) is mounted on the tapered air guide block (9), six push-pull arms (27) are uniformly and obliquely and rotatably arranged on the hexagonal frame (26), the other hexagonal frame (26) is mounted on the piston plate (4), six sliding blocks (28) are uniformly and slidably arranged on the hexagonal frame (26), and the other ends of the push-pull arms (27) are rotatably mounted on the corresponding sliding blocks (28);
a second plate spring (29) is arranged on the push-pull arm (27), and the other end of the second plate spring (29) is arranged on a hexagonal frame (26) on the conical air guide block (9).
6. A pneumatic air cleaning device for coal mining according to claim 5, characterized in that a plurality of arc-shaped air guide plates (30) are annularly and uniformly distributed on the inner wall of the air guide cylinder (1), the arc-shaped air guide plates (30) are inclined and far away from the conical air guide block (9), and the caliber of one end of each arc-shaped air guide plate (30) close to the conical air guide block (9) is smaller than that of the end far away from the conical air guide block (9).
7. A pneumatic air cleaning apparatus for coal mining according to claim 6, characterized in that a plurality of air stirring rods (31) are uniformly provided on the inner wall of the air guide cylinder (1), the air stirring rods (31) are located between the arc-shaped air guide plate (30) and the mounting plate (12), and one end face of the air stirring rod (31) facing the arc-shaped air guide plate (30) is provided with a taper shape.
8. A pneumatic air cleaning apparatus for coal mining according to claim 7, wherein an open position of the gas cylinder (1) is provided with an inclined separation net (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921171.2A CN115434743A (en) | 2022-08-02 | 2022-08-02 | Pneumatic air purification equipment for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921171.2A CN115434743A (en) | 2022-08-02 | 2022-08-02 | Pneumatic air purification equipment for coal mining |
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| Publication Number | Publication Date |
|---|---|
| CN115434743A true CN115434743A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210921171.2A Pending CN115434743A (en) | 2022-08-02 | 2022-08-02 | Pneumatic air purification equipment for coal mining |
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| CN (1) | CN115434743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117599494A (en) * | 2024-01-19 | 2024-02-27 | 德州庆德矿产品有限公司 | Coal mine water multistage filtering device |
-
2022
- 2022-08-02 CN CN202210921171.2A patent/CN115434743A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117599494A (en) * | 2024-01-19 | 2024-02-27 | 德州庆德矿产品有限公司 | Coal mine water multistage filtering device |
| CN117599494B (en) * | 2024-01-19 | 2024-04-09 | 德州庆德矿产品有限公司 | Coal mine water multistage filtering device |
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