CN114798623B - Dust collector for coal mine ventilation system - Google Patents
Dust collector for coal mine ventilation system Download PDFInfo
- Publication number
- CN114798623B CN114798623B CN202210735640.1A CN202210735640A CN114798623B CN 114798623 B CN114798623 B CN 114798623B CN 202210735640 A CN202210735640 A CN 202210735640A CN 114798623 B CN114798623 B CN 114798623B
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- frame
- moving
- dust
- dust collection
- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
Abstract
The invention relates to the technical field of mine purification, in particular to a dust removal device for a coal mine ventilation system, which comprises a moving frame movably arranged in a ventilation shaft, wherein a moving mechanism is arranged on the moving frame, a dust suction mechanism is arranged in the middle of the moving frame and is matched with the moving mechanism, a cleaning frame is rotatably arranged at the end part of the moving frame, the cleaning mechanism is movably arranged on the cleaning frame, and an ecological negative ion emitter is arranged at one end of the moving frame, which is far away from the cleaning frame. According to the invention, the moving mechanism is arranged, and the whole dust removal device can adapt to ventilation shafts in coal mine ventilation systems with different sizes through adjustment of the moving mechanism, so that the whole dust removal device is convenient to use; through setting up dust absorption mechanism, at the in-process that moving mechanism adjusted, and then the interval between the ventilation well inner wall in adjustable dust absorption mechanism and the colliery ventilation system, be convenient for dust absorption mechanism adsorbs the dust on the ventilation well inner wall in the colliery ventilation system.
Description
Technical Field
The invention relates to the technical field of mine purification, in particular to a dust removal device for a coal mine ventilation system.
Background
A mine is a generic term for roadways, chambers, equipment, ground buildings and structures that form the production system of an underground coal mine. Inclined shafts, vertical shafts, adits and the like in underground mining of mines are also sometimes referred to as mines. The determination of the field range size, the mine production capacity and the service life of each mine is one of the key problems which must be solved in the mine self-design. In order to ensure the safety of downhole personnel during downhole operations, effective ventilation is generally required, mine ventilation is the fundamental work in mining, and ventilation can reduce the content of harmful gases in the downhole while keeping the necessary oxygen supply for the downhole personnel.
During coal mining, a lot of dust is generated. Because some coal seams are soft and the pulverized coal particles are fine, a large amount of pulverized coal must be generated in a coal mine, and the pulverized coal is easily adhered to a ventilation well in a ventilation system and a filter screen in the ventilation well when passing through the ventilation system, so that the ventilation efficiency of the whole ventilation system is easily influenced after a long time, workers in the coal mine are easily influenced, and certain potential safety hazards exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the dust removal device for the coal mine ventilation system, which can remove dust in ventilation shafts in the coal mine ventilation system, is suitable for ventilation shafts with different sizes, and has a good dust removal effect.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a colliery is dust collector for ventilation system, sets up the removal frame in the well that ventilates including removing, removes to install moving mechanism on the frame, removes the bottom of frame and installs actuating mechanism, removes the centre of frame and installs dust absorption mechanism, and dust absorption mechanism sets up with the moving mechanism cooperation, removes the tip of frame and installs with rotating and clean the frame, cleans the frame and goes up the movable mechanism that is provided with that cleans, removes the frame and keeps away from the one end of cleaning the frame and installs ecological anion emitter.
Furthermore, a guide mechanism is installed on the inner wall of the ventilation shaft, and the moving mechanism is installed in the guide mechanism.
Furthermore, the moving mechanism comprises moving wheels and a mounting frame, the moving wheels are arranged in the guide mechanism, the moving wheels are connected with supporting rods, the moving wheels and the mounting frame are provided with multiple groups, the mounting frame is fixedly mounted on the moving frame, the end parts of the supporting rods are hinged to the mounting frame, a sliding block is slidably mounted in the mounting frame, a third air cylinder is mounted on the sliding block, the telescopic end of the third air cylinder is hinged to the supporting rods, a rotating shaft is rotatably mounted on the mounting frame, and one end, far away from the moving wheels, of each supporting rod is rotatably connected with the mounting frame through the rotating shaft; a third hinged part is fixed on the supporting rod, a connecting rod is hinged on the third hinged part, and one end of the connecting rod is hinged with the dust collection mechanism.
Furthermore, dust absorption mechanism includes suction hood and adjustable shelf, and the adjustable shelf is fixed on moving the frame, installs the elevator in the adjustable shelf, and the suction hood is fixed on the elevator, and the one end that the connecting rod kept away from the third hinge joint piece articulates there is the second articulated elements, and second articulated elements slidable mounting is at the adjustable shelf inner wall.
Furthermore, a pulley is installed at the top end inside the movable frame, a connecting rope is wound on the pulley, one end of the connecting rope is fixedly connected with the lifting block, and the other end of the connecting rope is fixedly connected with the connecting rod.
Furthermore, a dust collection box is arranged inside the movable frame, a dust collection hose is communicated with the dust collection box, and one end, far away from the dust collection box, of the dust collection hose is communicated with the dust collection cover.
Furthermore, a fan is arranged inside the dust collection box, a dust detector and a controller are arranged on the movable frame, the dust detector is electrically connected with the controller, the controller is electrically connected with the fan, and the fan is a variable frequency fan.
Further, clean the mechanism and include first broom, second broom and reciprocal cylinder, reciprocal cylinder is installed in the inside of cleaning frame, and the second broom is fixed in the one end that the removal frame was kept away from to the cleaning frame, and the bottom of first broom articulates there is first cylinder, and the bottom of first cylinder articulates there is first articulated elements, and first articulated elements is installed at reciprocal cylinder pars contractilis, and the side-mounting of removing the frame has the motor, cleans the output at the motor.
Furthermore, a plurality of through holes are formed in the sweeping frame, the first air cylinder penetrates through the through holes, the two sides of each through hole are abutted to the connecting springs, and the first air cylinder is arranged between the connecting springs.
Further, actuating mechanism includes drive wheel, driving motor, connecting rod and drive branch, and the connecting rod rigid coupling is in the bottom of removing the frame, and drive branch pivoted is installed in the connecting rod, and the output at driving motor is installed to the tip of drive branch, and the drive wheel rotates to be installed in the one end that driving branch kept away from driving motor.
According to the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the moving mechanism is arranged, and the whole dust removal device can adapt to ventilation shafts in coal mine ventilation systems with different sizes through adjustment of the moving mechanism, so that the whole dust removal device is convenient to use;
2. according to the invention, the dust collection mechanism is arranged, and in the adjusting process of the moving mechanism, the dust collection mechanism is adjusted along with the moving mechanism, so that the distance between the dust collection mechanism and the inner wall of the ventilation shaft can be adjusted, and the dust collection mechanism can adsorb dust on the inner wall of the ventilation shaft conveniently;
3. according to the invention, the cleaning frame is rotatably arranged at the end part of the moving frame, the cleaning mechanism is movably arranged in the cleaning frame, the whole cleaning mechanism can be driven to rotate through the rotation of the cleaning frame, so that the inner wall of the ventilation shaft is conveniently cleaned, and meanwhile, the cleaning mechanism can be attached to the inner wall of the ventilation shaft and can swing back and forth through the adjustment of the cleaning mechanism, so that the inner wall of the ventilation shaft can be better cleaned, and the cleaning effect is better;
4. according to the invention, through the arrangement of the ecological anion emitter, the whole dust removal device can release anions, so that the air in the ventilation shaft is purified, and the whole coal mine ventilation system can be conveniently used for a long time.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the mounting structure of the moving frame and the ventilation shaft according to the present invention;
FIG. 4 is a schematic overall sectional structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure at the point A in FIG. 4;
FIG. 6 is an enlarged view of the portion B of FIG. 4 according to the present invention;
fig. 7 is a schematic view of the connection of the pulley and the connection rope of the present invention.
Reference numerals:
01-ventilation shaft, 1-moving frame, 2-cleaning frame, 3-motor, 4-first broom, 5-second broom, 6-first cylinder, 7-reciprocating cylinder, 8-connecting spring, 9-first hinged part, 10-ecological anion emitter, 11-dust hood, 12-connecting rod, 13-dust-absorbing hose, 14-moving frame, 15-pulley, 16-connecting rope, 17-lifting block, 18-second hinged part, 19-moving wheel, 20-third hinged part, 21-third cylinder, 22-mounting frame, 23-slide block, 24-rotating shaft, 25-dust-collecting box, 26-fan, 27-dust detector, 28-controller, 29-supporting rod, 30-driving wheel, 31-driving motor, 32-connecting rod, 33-driving support rod.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to FIGS. 1-7: the utility model provides a colliery is dust collector for ventilation system, sets up removal frame 1 in the well that ventilates including removing, removes to install moving mechanism on the frame 1, removes the bottom of frame 1 and installs actuating mechanism, removes the centre of frame 1 and installs dust absorption mechanism, and dust absorption mechanism sets up with the moving mechanism cooperation, removes the tip of frame 1 and installs with rotating and clean frame 2, cleans the movable mechanism that is provided with on frame 2, removes the one end that frame 1 kept away from and cleans frame 2 and installs ecological anion emitter 10.
In actual use, the whole dust removal device can move on the inner walls of the ventilation shafts with different sizes by controlling the adjusting and moving mechanism, so that the dust removal device is convenient to use, and the dust collection mechanism is driven to move along in the adjusting process of the moving mechanism, so that the dust collection mechanism can adsorb the inner walls of the ventilation shafts and raised dust conveniently; the cleaning frame 2 is rotatably arranged at the end part of the moving frame 1, and the cleaning mechanism is movably arranged in the cleaning frame 2, so that the cleaning mechanism is convenient to adjust, the inner walls of ventilation shafts with different sizes are convenient to clean, dust accumulation is prevented, and the normal ventilation of the whole coal mine ventilation system is influenced; by starting the ecological anion emitter 10, anions can be released, and the gas in the whole coal mine ventilation system is neutralized.
Wherein, the ecological anion emitter adopts an ecological anion generating chip technology and a nano fullerene anion releaser technology.
In this embodiment, a guide mechanism is installed on the inner wall of the ventilation hoistway, the moving mechanism is installed in the guide mechanism, the moving mechanism includes a moving wheel 19 and an installation frame 22, the moving wheel 19 is arranged in the guide mechanism, a plurality of groups of support rods 29 are connected to the moving wheel 19, the moving wheel 19 and the installation frame 22 are both provided, the installation frame 22 is fixedly installed on the moving frame 1, the end portions of the support rods 29 are hinged to the installation frame 22, a sliding block 23 is slidably installed inside the installation frame 22, a third cylinder 21 is installed on the sliding block 23, the telescopic end of the third cylinder 21 is hinged to the support rods 29, a rotating shaft 24 is rotatably installed on the installation frame 22, and one end, far away from the moving wheel 19, of each support rod 29 is rotatably connected with the installation frame 22 through the rotating shaft 24; a third hinge part 20 is fixed on the supporting rod 29, a connecting rod 12 is hinged on the third hinge part 20, and one end of the connecting rod 12 is hinged with the dust collection mechanism; specifically, through the start-up of third cylinder 21, drive branch 29 and remove wheel 19 and swing at mounting bracket 22, through branch 29 and the swing of removing wheel 19, can make and remove wheel 19 and adapt to the ventilation well inner wall under the different situation, and then the whole dust collector of being convenient for that can be better removes inside the ventilation well, carries out dust removal work.
Wherein, guiding mechanism can be for the direction spout, removes the gliding setting of wheel 19 in the direction spout, and then can be convenient for through actuating mechanism's start-up, is convenient for whole dust collector and removes at the inner wall of ventilation well.
In this embodiment, the dust collection mechanism includes a dust collection cover 11 and a movable frame 14, the movable frame 14 is fixed on a movable frame 1, a lifting block 17 is installed in the movable frame 14, the dust collection cover 11 is fixed on the lifting block 17, one end of a connecting rod 12, which is far away from a third hinge 20, is hinged with a second hinge 18, the second hinge 18 is slidably installed on the inner wall of the movable frame 14, a pulley 15 is installed at the top end inside the movable frame 14, a connecting rope 16 is wound on the pulley 15, one end of the connecting rope 16 is fixedly connected with the lifting block 17, the other end of the connecting rope 16 is fixedly connected with the connecting rod 12, a dust collection box 25 is installed inside the movable frame 1, a dust collection hose 13 is connected to the dust collection box 25, and one end of the dust collection hose 13, which is far away from the dust collection box 25, is connected with the dust collection cover 11; specifically, can be at the in-process of branch 29 clockwise swing, make second articulated elements 18 shift up at adjustable shelf 14 inner wall, second articulated elements 18 shifts up, can make connecting rod 12 drive the one end of connecting rope 16 follow and shift up, under the effect of pulley 15, connect one end of rope 16 and move up, can drive the other end of connecting rope 16 and move down, and then can drive elevator 17 and move down, make suction hood 11 can follow the swing of branch 29 and move down, the same reason, the in-process of branch 29 counter-clockwise swing, elevator 17 shifts up, suction hood 11 follows and shifts up, and then can better adsorb the dust of ventilation well inner wall.
The position and angle of the connecting rod 12 can adapt to the swing of the supporting rod 29, and the connecting rod 12 is prevented from being locked.
In this embodiment, a fan 26 is installed inside the dust collection box 25, a dust detector 27 and a controller 28 are installed on the movable frame 1, the dust detector 27 is electrically connected with the controller 28, the controller 28 is electrically connected with the fan 26, the fan 26 is a variable frequency fan and is divided into 1, 2, 3 and 4 grades, the higher the grade number is, the stronger the wind power is, the dust detector 27 detects that the content of pulverized coal is set to be 1, 2 and 3 grades, the higher the grade number is, the higher the content of pulverized coal is, and when the content of pulverized coal is less than the grade 1, the controller controls the fan 26 to start the grade 1; when the content of the pulverized coal is between the level 1 and the level 2, the controller controls the fan 26 to start the level 2; when the content of the pulverized coal is between the level 2 and the level 3, the controller controls the fan 26 to start the level 3; when the content of the pulverized coal is higher than the grade 3, the controller controls the fan 26 to start 4 grades; the fan 26 can be started according to the content of the pulverized coal in the ventilation shaft, surrounding pulverized coal can be effectively adsorbed, and excessive energy waste is avoided.
In the embodiment, the cleaning mechanism comprises a first broom 4, a second broom 5 and a reciprocating cylinder 7, the reciprocating cylinder 7 is installed inside the cleaning frame 2, the second broom 5 is fixed at one end, far away from the moving frame 1, of the cleaning frame 2, the bottom end of the first broom 4 is hinged with a first cylinder 6, the bottom of the first cylinder 6 is hinged with a first hinge part 9, the first hinge part 9 is installed at a telescopic part of the reciprocating cylinder 7, the side surface of the moving frame 1 is provided with the motor 3, the cleaning frame 2 is installed at the output end of the motor 3, the cleaning frame 2 is provided with a plurality of through holes, the first cylinder 6 penetrates through the through holes, two sides of each through hole are abutted to connecting springs 8, and the first cylinder 6 is arranged between the connecting springs 8; concretely, accessible motor 3's start-up, it rotates to drive cleans frame 2, and then be convenient for remove dust to colliery ventilation system, through the inner wall size according to the well that ventilates, control the start-up of first cylinder 6, make first broom 4 can with the inner wall laminating of the well that ventilates, through the start-up of controlling reciprocal cylinder 7, drive first cylinder 6 swing back and forth in the through-hole, and then drive first broom 4 round trip movement on cleaning frame 2, the better inner wall to the well that ventilates in the colliery removes dust.
In this embodiment, the driving mechanism includes a driving wheel 30, a driving motor 31, a connecting rod 32 and a driving strut 33, the connecting rod 32 is fixedly connected to the bottom of the moving frame 1, the driving strut 33 is rotatably installed in the connecting rod 32, the end of the driving strut 33 is installed at the output end of the driving motor 31, the driving wheel 30 is rotatably installed at one end of the driving strut 33 far away from the driving motor 31, wherein the driving wheel 30 is attached to the bottom of the ventilation shaft; specifically, the driving motor 31 can be controlled, so that the driving support rod 33 drives the driving wheel 30 to rotate, and further, the whole dust removing device can be conveniently driven to move on the inner wall of the ventilation shaft.
The working principle is as follows: according to the size of the ventilation shaft, the first air cylinder 6 and the third air cylinder 21 are adjusted, so that the first air cylinder 6 drives the first broom 4 to adjust to adapt to the ventilation shaft, the reciprocating air cylinder 7 is controlled, the first broom 4 moves back and forth, the inner wall of the ventilation shaft is cleaned, the first broom 4 and the second broom 5 can be driven to rotate simultaneously by the rotation of the cleaning frame 2, and the filter screen in the ventilation shaft can be cleaned by the rotation of the second broom 5; the regulation of third cylinder 21 drives and removes wheel 19 and branch 29 and adjusts, make and remove the inner wall that wheel 19 adapts to the ventilation well, through the start-up of control actuating mechanism, drive whole dust collector and remove, remove wheel 19 and carry out the auxiliary movement to whole dust collector, and then be convenient for whole dust collector's removal, the regulation that removes wheel 19 can drive suction hood 11 simultaneously and suitably adjust, be convenient for suction hood 11 adsorb the remaining buggy in buggy and the air behind the not hard up ventilation well inner wall of first broom 4, after the absorption, through starting ecological anion emitter 10, make ecological anion emitter 10 release anion, air in the whole ventilation system is neutralized and is purified, effectually remove dust to the ventilation well.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (5)
1. The dust removal device for the coal mine ventilation system is characterized by comprising a moving frame (1) movably arranged in a ventilation shaft, wherein a moving mechanism is installed on the moving frame (1), a driving mechanism is installed at the bottom of the moving frame (1), a dust suction mechanism is installed in the middle of the moving frame (1), the dust suction mechanism is matched with the moving mechanism, a cleaning frame (2) is rotatably installed at the end part of the moving frame (1), the cleaning mechanism is movably arranged on the cleaning frame (2), and an ecological negative ion emitter (10) is installed at one end, far away from the cleaning frame (2), of the moving frame (1);
the inner wall of the ventilation shaft is provided with a guide mechanism, and the moving mechanism is arranged in the guide mechanism;
the moving mechanism comprises a moving wheel (19) and a mounting rack (22), the moving wheel (19) is arranged in the guide mechanism, a support rod (29) is connected to the moving wheel (19), a plurality of groups of moving wheels (19) and mounting racks (22) are arranged, the mounting racks (22) are fixedly arranged on the moving rack (1), the end part of the supporting rod (29) is hinged on the mounting rack (22), a sliding block (23) is arranged in the mounting rack (22) in a sliding manner, a third cylinder (21) is arranged on the sliding block (23), the telescopic end of the third cylinder (21) is hinged with the supporting rod (29), a rotating shaft (24) is rotatably arranged on the mounting rack (22), and one end of the support rod (29) far away from the moving wheel (19) is rotatably connected with the mounting rack (22) through the rotating shaft (24); a third hinged part (20) is fixed on the supporting rod (29), a connecting rod (12) is hinged on the third hinged part (20), and one end of the connecting rod (12) is hinged with the dust collection mechanism;
the dust collection mechanism comprises a dust collection cover (11) and a movable frame (14), the movable frame (14) is fixed on the movable frame (1), a lifting block (17) is installed in the movable frame (14), the dust collection cover (11) is fixed on the lifting block (17), one end, far away from a third hinge part (20), of the connecting rod (12) is hinged with a second hinge part (18), and the second hinge part (18) is installed on the inner wall of the movable frame (14) in a sliding mode;
a pulley (15) is mounted at the top end inside the movable frame (14), a connecting rope (16) is wound on the pulley (15), one end of the connecting rope (16) is fixedly connected with the lifting block (17), and the other end of the connecting rope (16) is fixedly connected with the connecting rod (12);
cleaning mechanism includes first broom (4), second broom (5) and reciprocating cylinder (7), and reciprocating cylinder (7) are installed in the inside of cleaning frame (2), and second broom (5) are fixed in and are cleaned frame (2) and keep away from the one end of removing frame (1), and the bottom of first broom (4) articulates there is first cylinder (6), and the bottom of first cylinder (6) articulates there is first articulated elements (9), and first articulated elements (9) are installed in reciprocating cylinder (7) pars contractilis, and the side-mounting of removing frame (1) has motor (3), clean the output at motor (3) in frame (2).
2. The dust removal device for the coal mine ventilation system according to claim 1, which is characterized in that: the dust collection box (25) is installed inside the movable frame (1), the dust collection box (25) is communicated with a dust collection hose (13), and one end, far away from the dust collection box (25), of the dust collection hose (13) is communicated with the dust collection cover (11).
3. The dust removal device for the coal mine ventilation system as claimed in claim 2, wherein: a fan (26) is installed inside the dust collection box (25), a dust detector (27) and a controller (28) are installed on the movable frame (1), the dust detector (27) is electrically connected with the controller (28), the controller (28) is electrically connected with the fan (26), and the fan (26) is a variable frequency fan.
4. The dust removal device for the coal mine ventilation system according to claim 1, which is characterized in that: a plurality of through holes are formed in the cleaning frame (2), the first air cylinder (6) penetrates through the through holes, the two sides of each through hole are abutted to the connecting springs (8), and the first air cylinder (6) is arranged between the connecting springs (8).
5. The dust removal device for the coal mine ventilation system according to claim 1, which is characterized in that: actuating mechanism includes drive wheel (30), driving motor (31), connecting rod (32) and drive branch (33), and connecting rod (32) rigid coupling is in the bottom of removal frame (1), drive branch (33) pivoted is installed in connecting rod (32), and the output at driving motor (31) is installed to the tip of drive branch (33), and drive wheel (30) rotate and install the one end of keeping away from driving motor (31) in drive branch (33).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210735640.1A CN114798623B (en) | 2022-06-27 | 2022-06-27 | Dust collector for coal mine ventilation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735640.1A CN114798623B (en) | 2022-06-27 | 2022-06-27 | Dust collector for coal mine ventilation system |
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| CN114798623A CN114798623A (en) | 2022-07-29 |
| CN114798623B true CN114798623B (en) | 2022-09-06 |
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| CN115780430B (en) * | 2023-02-06 | 2023-04-18 | 山西中煤东坡煤业有限公司 | Mine drainage pipe inner wall cleaning device |
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| CN108036416A (en) * | 2017-11-28 | 2018-05-15 | 刘瑾浩 | A kind of Intelligent air purifier with cleaning function pipeline based on Internet of Things |
| CN110639902A (en) * | 2019-10-08 | 2020-01-03 | 许金芝 | General type pipeline cleaning robot equipment |
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| CN213613136U (en) * | 2020-11-08 | 2021-07-06 | 王莹 | Dirt cleaning device is used in municipal works heat supply pipeline installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100834438B1 (en) * | 2007-08-16 | 2008-06-04 | (주)그린로보텍 | Machine for pipe maintenance |
| CN214162540U (en) * | 2020-11-26 | 2021-09-10 | 邵阳鹏升木业有限公司 | Timber panel processingequipment with saw-dust clearance function |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036416A (en) * | 2017-11-28 | 2018-05-15 | 刘瑾浩 | A kind of Intelligent air purifier with cleaning function pipeline based on Internet of Things |
| CN110639902A (en) * | 2019-10-08 | 2020-01-03 | 许金芝 | General type pipeline cleaning robot equipment |
| CN213613136U (en) * | 2020-11-08 | 2021-07-06 | 王莹 | Dirt cleaning device is used in municipal works heat supply pipeline installation |
| CN113020153A (en) * | 2021-01-29 | 2021-06-25 | 严静摇 | Pipeline inner wall desilting device of anti-climbing structure for hydraulic engineering |
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