CN115434667B - Underground pipeline cleaning device and method for coal mine equipment - Google Patents
Underground pipeline cleaning device and method for coal mine equipment Download PDFInfo
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- CN115434667B CN115434667B CN202110623049.2A CN202110623049A CN115434667B CN 115434667 B CN115434667 B CN 115434667B CN 202110623049 A CN202110623049 A CN 202110623049A CN 115434667 B CN115434667 B CN 115434667B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 57
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 272
- 239000012459 cleaning agent Substances 0.000 claims abstract description 113
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 239000007921 spray Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 description 20
- 230000009286 beneficial effect Effects 0.000 description 14
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000007723 transport mechanism Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
Abstract
The invention relates to a cleaning device and a cleaning method for underground pipelines of coal mine equipment, wherein the cleaning device comprises a cleaning agent supply mechanism, a continuous pipe conveying mechanism, a cleaning agent output mechanism and a control mechanism, wherein the cleaning agent supply mechanism is connected with the cleaning agent output mechanism through a continuous pipe and is used for conveying cleaning agent to the cleaning agent output mechanism under the control of the control mechanism; the coiled tubing is stored on the coiled tubing conveying mechanism, and the coiled tubing conveying mechanism is used for injecting or pulling out the coiled tubing under the control of the control mechanism. According to the underground pipeline cleaning device for the coal mine equipment, disclosed by the invention, the continuous pipe can be conveyed to the target pipeline through the continuous pipe conveying mechanism according to the cleaning position of the target pipeline, and the target pipeline is cleaned through spraying the cleaning agent through the cleaning agent output mechanism, so that the high automation, the high efficiency and the low operation intensity can be realized, and the sediment in the pipeline can be cleaned at one time.
Description
Technical Field
The invention relates to the technical field of underground pipeline cleaning of coal mine equipment, in particular to an underground pipeline cleaning device and method for coal mine equipment.
Background
Mine gas disasters seriously threaten the safe production of the coal mine, and gas extraction is the best measure for reducing a large amount of gas in the mine. In the mine gas extraction process, sediment is fused into the gas flow and enters an extraction pipe network to obstruct gas extraction, and the extra power of extraction equipment is increased. If the sediment and the like in the gas extraction pipeline cannot be treated in time, the sediment and the like are coagulated into blocks, the effective extraction cross-sectional area of the gas extraction pipeline is reduced, the gas extraction efficiency is lower and lower, if any development is carried out, the sediment and the accumulated water in the gas extraction pipeline are not treated, and even the whole gas extraction pipeline is blocked when serious, so that the gas extraction pipeline falls into paralysis. Therefore, sediment cleaning of the gas extraction pipeline after the gas extraction negative pressure is excessive is an effective way to increase the gas extraction efficiency.
At present, the gas extraction pipeline is cleaned mainly by manually draining the water device to remove part of sediment in the water draining process, so that the working load is large, the labor intensity is low, the efficiency is low, and certain safety risks exist. Current gas pipeline cleaning techniques suffer from a lack of specialized sediment cleaning equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a method for cleaning underground pipelines of coal mine equipment, which can be used for cleaning the underground pipelines of the coal mine equipment, such as cleaning gas extraction pipelines.
The technical scheme for solving the technical problems is as follows: the underground pipeline cleaning device for the coal mine equipment comprises a cleaning agent supply mechanism, a continuous pipe conveying mechanism, a cleaning agent output mechanism and a control mechanism, wherein the cleaning agent supply mechanism is connected with the cleaning agent output mechanism through a continuous pipe and is used for conveying cleaning agent to the cleaning agent output mechanism under the control of the control mechanism; the coiled tubing is stored on the coiled tubing conveying mechanism, and the coiled tubing conveying mechanism is used for injecting or pulling out the coiled tubing under the control of the control mechanism.
The beneficial effects of the invention are as follows: according to the underground pipeline cleaning device for the coal mine equipment, disclosed by the invention, the continuous pipe can be conveyed to the target pipeline through the continuous pipe conveying mechanism according to the cleaning position of the target pipeline, and the target pipeline is cleaned through spraying the cleaning agent through the cleaning agent output mechanism, so that the high automation, the high efficiency and the low operation intensity can be realized, and the sediment in the pipeline can be cleaned at one time.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the continuous pipe conveying mechanism comprises a storage part and a driving part which are respectively connected with the control mechanism, the continuous pipe is stored on the storage part, and the continuous pipe is installed in the driving part and is injected or pulled out under the driving of the driving part.
The beneficial effects of adopting the further scheme are as follows: the continuous tube can be stored by the storage part and is injected into or pulled out of the target pipeline by the driving part.
Further, the driving part includes an injection head, and the storage part includes a drum.
The beneficial effects of adopting the further scheme are as follows: the continuous tube can be stored and accommodated by the roller. The coiled tubing can be injected or pulled out using an injection head.
Further, the continuous pipe conveying device further comprises a position adjusting mechanism, wherein a driving part of the continuous pipe conveying mechanism is arranged on the position adjusting mechanism, and the position and/or the direction of conveying the continuous pipe by the driving part are/is adjusted by the position adjusting mechanism.
The beneficial effects of adopting the further scheme are as follows: the position adjusting mechanism can realize the actions of left and right rotation, up and down swing and the like of the driving part, and adjusts the position, the direction and the like of the continuous pipe on the driving part, so that the connecting piece on the injection head is convenient to be in butt joint with the target pipeline.
Further, the position adjusting mechanism comprises a base, a support frame and a first driving mechanism, and a driving part of the continuous pipe conveying mechanism is arranged on the base through the support frame; the base is rotatably connected with the underframe of the continuous pipe conveying mechanism, and two ends of the first driving mechanism are respectively connected with the base and the underframe and drive the base to rotate relative to the underframe.
The beneficial effects of adopting the further scheme are as follows: the drive end of the first driving mechanism can be connected with the base, and also can be connected with the chassis of the continuous pipe conveying mechanism, and as the base is rotationally connected with the chassis, the relative rotation of the base and the chassis can be realized under the drive of the first driving mechanism, and the left and right direction adjustment of the continuous pipe conveying by the driving part is realized. The base and the underframe can be rotationally connected through a slewing bearing.
Further, the continuous pipe conveying device further comprises a second driving mechanism, the driving part of the continuous pipe conveying mechanism is arranged at the upper end of the supporting frame, the lower end of the supporting frame is hinged to the base, and two ends of the second driving mechanism are respectively connected with the base and the upper end of the supporting frame.
The beneficial effects of adopting the further scheme are as follows: the second driving mechanism can drive the supporting frame to swing on the base, so that the height and the front and back positions of the driving part can be adjusted.
Further, the position adjusting mechanism further comprises a swinging frame and a third driving mechanism, the swinging frame is hinged to the upper end of the supporting frame, the driving part of the continuous pipe conveying mechanism is installed on the swinging frame, and two ends of the third driving mechanism are respectively connected with the base and the swinging frame.
The beneficial effects of adopting the further scheme are as follows: the third driving mechanism can drive the swinging frame to swing around the supporting frame, so that the angle of the upper driving part of the swinging frame is adjusted.
Further, the driving part of the continuous pipe conveying mechanism is in butt joint with the target pipeline through a connecting piece, the connecting piece comprises a connecting pipe and a conical piece, and the conical piece is rotatably arranged at one end of the connecting pipe.
The beneficial effects of adopting the further scheme are as follows: the conical piece and the connecting pipe can be rotationally connected through the spherical universal joint, so that multi-angle rotation can be realized, and a target pipeline can be quickly docked.
Further, the cleaning agent supply mechanism comprises a booster pump, a first explosion-proof motor and a liquid tank, wherein the first explosion-proof motor is connected with the booster pump, and the booster pump is connected with the liquid tank through a pipeline.
The beneficial effects of adopting the further scheme are as follows: the first explosion-proof motor provides power for the booster pump, adopts liquid to irritate the storage cleaning agent, utilizes the booster pump to carry the cleaning agent feeding mechanism and blowout through the continuous pipe after with the cleaning agent pressure boost in the liquid irritates, can effectively clear up the target pipeline.
Further, the cleaning agent output mechanism comprises a centralizer and a spray head, one end of a central tube in the middle of the centralizer is connected with the spray head through a rotary interface, and the other end of the central tube is connected with the continuous tube through a slip joint.
The beneficial effects of adopting the further scheme are as follows: the centering and anti-return functions can be achieved by using the centralizer, and the pipe diameter cleaning device can be suitable for different cleaning pipe diameters.
Further, the control mechanism adopts a hydraulic control system to respectively control the operation of the cleaning agent supply mechanism and the continuous pipe conveying mechanism.
The beneficial effects of adopting the further scheme are as follows: by utilizing the hydraulic control system, each mechanism can be stably controlled to work smoothly.
Further, the control mechanism comprises a hydraulic oil tank, a radiator, an operation control chamber, a hydraulic pump, a second explosion-proof motor and a hose roller; the second explosion-proof motor is connected with the hydraulic pump, the hydraulic pump is connected with the hydraulic oil tank and is respectively connected with the cleaning agent supply mechanism, the continuous pipe conveying mechanism and the radiator through hydraulic pipelines; the hydraulic pipeline is stored on the hose roller and dissipates heat through the radiator.
The beneficial effects of adopting the further scheme are as follows: the operation control can be performed in the operation control room, a comfortable and safe operation environment is provided for operators, and the temperature of hydraulic oil can be reduced by using the radiator.
Further, the cleaning agent supply mechanism, the continuous pipe conveying mechanism and the control mechanism respectively comprise a travelling mechanism.
The beneficial effects of adopting the further scheme are as follows: the travelling mechanisms are arranged on the mechanisms, so that the mechanisms can travel independently of each other, and self-propelled transportation in a roadway is realized.
A method for cleaning underground pipelines of coal mine equipment comprises the following steps:
s1, selecting a target pipeline, placing a cleaning agent supply device, a continuous pipe conveying mechanism and a control mechanism at a preset cleaning position, connecting the input end of the continuous pipe with the output end of the cleaning agent supply mechanism, and arranging the continuous pipe on the continuous pipe conveying mechanism and connecting the output end of the continuous pipe with the cleaning agent output mechanism;
s2, starting a cleaning agent supply mechanism through a control mechanism, conveying the cleaning agent to a cleaning agent output mechanism through a continuous pipe, and spraying the cleaning agent to clean a target pipeline through the cleaning agent output mechanism; the continuous pipe drives the cleaning agent supply device to move in the target pipeline under the drive of the continuous pipe conveying mechanism.
The beneficial effects of the invention are as follows: according to the cleaning method, the continuous pipe is conveyed to the target pipeline by the continuous pipe conveying mechanism according to the cleaning position of the target pipeline, and the cleaning agent is sprayed out by the cleaning agent output mechanism to clean the target pipeline, so that high automation, high efficiency and low operation intensity can be realized, and sediment in the pipeline can be cleaned at one time.
Drawings
FIG. 1 is a schematic diagram of a coal mine equipment downhole pipeline cleaning device;
FIG. 2 is a schematic side view of the position adjustment mechanism of the present invention;
FIG. 3 is a schematic top view of the position adjustment mechanism of the present invention;
FIG. 4 is a schematic perspective view of a position adjustment mechanism according to the present invention;
FIG. 5 is a schematic structural view of a detergent delivery mechanism according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
100. a cleaning agent supply mechanism; 101. a booster pump; 102. a first explosion-proof motor; 103. filling liquid;
200. a continuous pipe conveying mechanism; 201. a roller; 202. an injection head; 203. a connecting piece; 204. a connecting pipe; 205. a cone; 206. a chassis;
300. a cleaning agent output mechanism; 301. a centralizer; 302. a spray head; 303. a central tube; 304. a sliding sleeve; 305. a roller; 306. a telescopic frame;
400. a control mechanism; 401. a hydraulic oil tank; 402. a heat sink; 403. an operation control room; 404. a hydraulic pump; 405. a second explosion-proof motor; 406. a hose drum;
500. a position adjusting mechanism; 501. a base; 502. a support frame; 503. a first driving mechanism; 504. a second driving mechanism; 505. a swing frame; 506. a third driving mechanism; 507. a slewing bearing; 600. a walking mechanism; 700. a continuous tube; 701. a high pressure manifold; 800. a target pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
As shown in fig. 1 to 5, the underground pipe cleaning device for coal mine equipment of the present embodiment includes a cleaning agent supply mechanism 100, a continuous pipe conveying mechanism 200, a cleaning agent output mechanism 300, and a control mechanism 400, wherein the cleaning agent supply mechanism 100 is connected to the cleaning agent output mechanism 300 through a continuous pipe 700, and the cleaning agent is conveyed to the cleaning agent output mechanism 300 under the control of the control mechanism 400; the coiled tubing 700 is stored on the coiled tubing transport mechanism 200, and the coiled tubing transport mechanism 200 is controlled by the control mechanism 400 to inject or drag out of the coiled tubing 700. The cleaning agent output mechanism 300 is connected with the continuous pipe 700 on the cleaning agent conveying mechanism 200 through the high-pressure manifold 701, and the cleaning agent supply mechanism 100, the continuous pipe conveying mechanism 200 and the cleaning agent output mechanism 300 are relatively independent and operate in a mutually matched mode, so that the continuous pipe 700 can be stably and effectively conveyed; the coiled tubing conveying mechanism 200 can store redundant coiled tubing 700, can also inject or drag the stored coiled tubing 700 out of the target pipeline 800, can stably control the length of the coiled tubing 700 in the target pipeline 800, and can also drive the cleaning agent supply mechanism 100 to run in the target pipeline 800 by controlling the coiled tubing 700, so that the effective cleaning of the target pipeline 800 is realized, and the cleaning efficiency of the target pipeline is improved.
In one embodiment of the present embodiment, as shown in fig. 1, the coiled tubing conveying mechanism 200 includes a storage part and a driving part, which are respectively connected to the control mechanism 400, the coiled tubing 700 is stored in the storage part, and the coiled tubing 700 is installed in the driving part and is injected into or pulled out of the coiled tubing 700 under the driving of the driving part. The coiled tubing storage section may employ rollers 201 or other devices capable of storing coiled tubing 700. The continuous tube may be wound and stored on a drum 201. The drive section may employ the injector head 202 or other device capable of driving the coiled tubing 700 forward for injection or backward for drawing. The injector head 202 may grip the coiled tubing 700 and inject or drag the detergent output mechanism 300 to power the detergent output mechanism 300 travel. The high-pressure manifold 701 connects the drum 201 and the booster pump 101 on the cleaning agent supply mechanism 100, and supplies the high-pressure cleaning agent into the continuous pipe 700.
The specific structure and working principle of the injection head 202 and the drum 201 in this embodiment may refer to conventional technical solutions in the art, and these conventional technical solutions are not important to the present invention, and the present invention is not described in detail herein.
In a preferred embodiment of the present embodiment, the running mechanism 600 may be disposed on the continuous pipe conveying mechanism 200, so that the continuous pipe conveying mechanism 200 is installed as a whole on the running mechanism 600, and the running mechanism 600 may be used to drive the continuous pipe conveying mechanism 200 to run in the roadway, so as to implement automatic management control. For example, the continuous pipe conveying mechanism 200 can be arranged on a crawler, and the crawler is utilized to drive the continuous pipe conveying mechanism 200 to travel, so that the continuous pipe conveying mechanism can be well adapted to complex environments under the coal mine assembly well. The travelling mechanism can select crawler vehicles and other devices capable of automatically travelling.
The embodiment also provides a method for cleaning underground pipelines of coal mine equipment by adopting the device, which comprises the following steps:
s1, selecting a target pipeline 800 (a gas extraction pipeline can be selected as the target pipeline), placing the cleaning agent supply device 100, the continuous pipe conveying mechanism 200 and the control mechanism 400 at a preset cleaning position, connecting the input end of the continuous pipe 700 with the output end of the cleaning agent supply mechanism 100, and installing the continuous pipe 700 on the continuous pipe conveying mechanism 200 and connecting the output end with the cleaning agent output mechanism 300; specifically, the coiled tubing 700 is wound on the roller 201 of the coiled tubing conveying mechanism 200 and clamped on the injection head 202, the coiled tubing 700 is stored by the roller 201, and the coiled tubing 700 is injected or pulled out by the injection head 202;
s2, starting the cleaning agent supply mechanism 100 through the control mechanism 400, conveying the cleaning agent to the cleaning agent output mechanism 300 through the continuous pipe 700, and spraying out the cleaning agent output mechanism 300 to impact and break up deposits such as cinder and the like in the target pipeline, so that the deposits are discharged from an outlet along with the cleaning agent, and cleaning the target pipeline 800 is realized; the injection head clamps the hydraulic cylinder to clamp the continuous pipe, the injection head motor drives the roller to convey the continuous pipe into the target pipeline, and the continuous pipe 700 pushes the cleaning agent supply device 100 to move in the target pipeline under the driving of the injection head 202.
After the flushing is finished, a large amount of sundries are accumulated in the target pipeline, most of the flushed sundries can be discharged according to self gravity due to the fact that the target pipeline is arranged to have a certain inclination angle, and the displacement of the cleaning agent supply device is regulated to perform large-displacement secondary flushing or repeated flushing, so that the cleaning efficiency of the target pipeline is improved. After the cleaning of the target pipeline is completed, the corresponding equipment can be removed or orderly summarized, and the next section of the target pipeline can be cleaned or returned to the device.
The roller 201 can temporarily store the redundant continuous pipe 700, when the continuous pipe 700 is used, the roller 201 can also send out the continuous pipe 700, the continuous pipe 700 on the roller can be injected or pulled out from the target pipeline 800 by using the injection head, the length of the continuous pipe 700 in the target pipeline 800 can be stably controlled, the continuous pipe 700 can be controlled to drive the cleaning agent supply mechanism 100 to run in the target pipeline 800 by controlling the continuous pipe 700, the effective cleaning of the target pipeline 800 is realized, the cleaning efficiency of the target pipeline is improved, the high automation, the high efficiency and the low operation intensity can be realized, and the sediment in the pipeline can be cleaned at one time.
Example 2
In this embodiment, the position adjustment mechanism 500 may be provided to adjust the position, direction, and the like of the continuous tube conveyed by the continuous tube conveying mechanism, in addition to embodiment 1.
In a preferred embodiment of the present invention, as shown in fig. 1 to 4, the continuous pipe conveying mechanism 200 is mounted on the position adjusting mechanism 500, and the position and/or direction of the continuous pipe conveying mechanism is adjusted by the position adjusting mechanism 500. Specifically, the injection head 202 of the coiled tubing conveying mechanism 200 may be disposed on the position adjusting mechanism 500, and the coiled tubing conveying mechanism 200 is connected with the injection head 202 to adjust the position and/or direction of the injection head 202, so that the injection head 202 is convenient to dock with a target pipeline. The position adjusting mechanism 500 can realize the actions of left-right rotation, up-down swing and the like of the injection head, and adjust the position, the direction and the like of the continuous pipe on the injection head, so that the connection piece on the injection head is convenient to be in butt joint with the target pipeline. The position adjustment mechanism 500 may be implemented by using existing devices such as a lifting mechanism, a rotating mechanism, and a swinging mechanism, or may be implemented by using the following preferred embodiments.
As shown in fig. 1 to 4, in a preferred embodiment of the position adjustment mechanism 500 of the present embodiment, the position adjustment mechanism 500 includes a base 501, a support 502, and a first driving mechanism 503, and the injector head 202 is mounted on the base 501 through the support 502; the base 501 is rotatably connected with the chassis 206 of the continuous pipe conveying mechanism 200, and two ends of the first driving mechanism 503 are respectively connected with the base 501 and the chassis 206 of the continuous pipe conveying mechanism 200, and drive the base 501 to rotate relative to the chassis 206. The base 501 and the undercarriage 206 may be rotatably coupled via a slew bearing 507. The driving end of the first driving mechanism 503 may be connected to the base 501 or may be connected to the bottom frame 206, and since the base 501 is rotationally connected to the bottom frame 206 of the coiled tubing conveying mechanism, the relative rotation between the base 501 and the bottom frame 206 may be realized under the driving of the first driving mechanism, so as to realize the adjustment of the injection head 202 in the left-right direction. In particular, the outside of the coiled tubing transport mechanism 200 may extend beyond the base 501 to allow the ends of the first drive mechanism 503 to be connected to the base 501 and the outside extension of the coiled tubing transport mechanism 200, respectively. A through hole may be provided in the base 501, the slewing bearing 507 may be mounted at the position of the through hole, a connection block may be provided at a portion of the continuous pipe conveying mechanism 200 where the through hole is exposed, and both ends of the first driving mechanism 503 may be connected to the upper surface of the base 501 and the connection block, respectively, as shown in fig. 4.
In addition to the rotation adjustment of the injector head 202 in the lateral direction, the position adjustment mechanism 500 of the present embodiment may also adjust the height and the front-rear position of the injector head 202. The position adjusting mechanism 500 further comprises a second driving mechanism 504, the injection head 202 is mounted at the upper end of the supporting frame 502, the lower end of the supporting frame 502 is hinged to the base 501, and two ends of the second driving mechanism 504 are respectively connected with the base 501 and the upper end of the supporting frame 502. The second driving mechanism 504 can drive the support 502 to swing on the base 501, so as to adjust the height and the front-back position of the injector head 202.
Alternatively, the position adjustment mechanism 500 of the present embodiment may adjust the vertical direction of the injector 202 in addition to the horizontal direction, the height, the front-rear position, and the like of the injector. The position adjusting mechanism 500 further comprises a swing frame 505 and a third driving mechanism 506, the swing frame 505 is hinged to the upper end of the supporting frame 502, the injection head 202 is installed on the swing frame 505, and two ends of the third driving mechanism 506 are respectively connected with the base 501 and the swing frame 505. The third driving mechanism 506 can drive the swinging frame 505 to swing around the supporting frame 502, so as to realize the adjustment of the angle of the injection head 202 thereon, and further realize the adjustment of the injection head 202 in the up-down direction.
As shown in fig. 1 and fig. 5, in a further aspect of this embodiment, the injection head 202 is abutted to the target pipe 800 through a connecting piece 203, the connecting piece 203 includes a connecting pipe 204 and a conical piece 205, and the conical piece 205 is rotatably disposed at one end of the connecting pipe 204, for example, a ball joint connection structure may be used for rotational connection. The conical piece and the connecting pipe can be rotationally connected through the spherical universal joint, so that multi-angle rotation can be realized, and a target pipeline can be quickly docked.
The first driving mechanism 503, the second driving mechanism 504, and the third driving mechanism 506 of the present embodiment may be driven by air cylinders, or may be driven by hydraulic cylinders or other driving mechanisms as needed.
The embodiment also provides a method for cleaning underground pipelines of coal mine equipment by adopting the device, which comprises the following steps:
s1, selecting a target pipeline 800 (a gas extraction pipeline can be selected as the target pipeline), placing the cleaning agent supply device 100, the continuous pipe conveying mechanism 200 and the control mechanism 400 at a preset cleaning position, connecting the input end of the continuous pipe 700 with the output end of the cleaning agent supply mechanism 100, and installing the continuous pipe 700 on the continuous pipe conveying mechanism 200 and connecting the output end with the cleaning agent output mechanism 300; specifically, the coiled tubing 700 is wound on the roller 201 of the coiled tubing conveying mechanism 200 and clamped on the injection head 202, the coiled tubing 700 is stored by the roller 201, and the coiled tubing 700 is injected or pulled out by the injection head 202;
the control mechanism controls the position adjusting mechanism to adjust the position and the direction of the injection head on the injection head, specifically, the first driving mechanism drives the base to rotate relative to the continuous pipe conveying mechanism to adjust the left and right directions of the injection head, the second driving mechanism drives the supporting frame to swing back and forth relative to the base to adjust the height and the up and down directions of the injection head, and the third driving mechanism drives the swinging frame to swing relative to the supporting frame to adjust the up and down directions of the injection head. According to the position and the direction of the target pipeline, adjusting the position and the direction of the injection head, and then enabling the conical part of the injection head connecting piece to be in butt joint with the target pipeline through the quick-connection structure, so that the continuous pipe is conveyed into the target pipeline and is connected with the cleaning agent output mechanism;
s2, starting the cleaning agent supply mechanism 100 through the control mechanism 400, conveying the cleaning agent to the cleaning agent output mechanism 300 through the continuous pipe 700, and spraying out the cleaning agent output mechanism 300 to impact and break up deposits such as cinder and the like in the target pipeline, so that the deposits are discharged from an outlet along with the cleaning agent, and cleaning the target pipeline 800 is realized; the injector head clamps the hydraulic cylinder to clamp the continuous pipe, the injector head motor drives the roller to convey the continuous pipe into the target pipeline, the continuous pipe 700 enters the target pipeline through the connecting pipe and the conical part under the drive of the injector head 202, and the cleaning agent supply device 100 is pushed to move in the target pipeline.
After the flushing is finished, a large amount of sundries are accumulated in the target pipeline, most of the flushed sundries can be discharged according to self gravity due to the fact that the target pipeline is arranged to have a certain inclination angle, and the displacement of the cleaning agent supply device is regulated to perform large-displacement secondary flushing or repeated flushing, so that the cleaning efficiency of the target pipeline is improved. After the cleaning of the target pipeline is completed, the corresponding equipment can be removed or orderly summarized, and the next section of the target pipeline can be cleaned or returned to the device.
Example 3
In this embodiment, a specific structure of the cleaning agent supply mechanism is described in addition to embodiment 1 or embodiment 2.
As shown in fig. 1, the cleaning agent supply mechanism 100 of the present embodiment includes a booster pump 101, a first explosion-proof motor 102, and a liquid tank 103, the first explosion-proof motor 102 is connected to the booster pump 101, and the booster pump 101 is connected to the liquid tank 103 through a pipe. The first explosion-proof motor provides power for the booster pump, adopts the liquid to irritate the storage cleaning agent, utilizes the booster pump to carry the cleaning agent booster (for example, can be with the cleaning agent booster to 10 MPa) in the liquid to irritate the back and to supply with mechanism and blowout to the cleaning agent through the continuous pipe, can effectively clear up the target pipeline.
In a preferred embodiment of the present embodiment, the running mechanism 600 may be disposed on the cleaning agent supply mechanism 100, so that the cleaning agent supply mechanism 100 is installed on the running mechanism 600 as a whole, and the running mechanism 600 may be used to drive the cleaning agent supply mechanism 100 to run in the roadway, thereby realizing automatic management and control. For example, the cleaning agent supply mechanism 100 can be arranged on a crawler, and the crawler is used for driving the cleaning agent supply mechanism 100 to walk, so that the cleaning agent supply mechanism can be well adapted to the complex environment under the coal mine assembly well. The travelling mechanism can select crawler vehicles and other devices capable of automatically travelling.
The cleaning agent supply mechanism 100 is started by the control mechanism 400, the second explosion-proof motor is used for controlling the booster pump to convey the cleaning agent in the liquid tank to the cleaning agent output mechanism 300 through the continuous pipe 700, and the cleaning agent output mechanism 300 ejects the cleaning agent to clean the target pipeline 800.
Example 4
The present embodiment also describes the specific structure of the cleaning agent delivery mechanism 300 on the basis of embodiment 1, embodiment 2, or embodiment 3. The cleaning agent output mechanism 300 of the present embodiment includes a centralizer 301 and a nozzle 302, one end of a central tube 203 in the middle of the centralizer 301 is connected with the nozzle 302 through a rotary interface, and the other end is connected with a continuous tube 700 through a slip joint. The centralizer is utilized to play a role in centering and preventing return, the cleaning device can adapt to different cleaning pipe diameters, and the spray head can spray cleaning agents.
The spray head 302 comprises a spray head main body and a spray nozzle, wherein the spray head main body is rotatably connected to the central tube 303 of the centralizer 301 through a rotary joint, and the rotary joint can rotate all the time when the spray head works, so that the cleaning work covers the whole section of the target pipeline. The spray nozzles are multiple and are respectively arranged on the spray head main body. The nozzle can spray the cleaning agent at high pressure, and the sediment on the inner side of the target pipeline can be cleaned at one time by utilizing the high-pressure water jet.
Centralizer 301 of this embodiment helps protect coiled tubing 700 and the nozzles as they pass through the target conduit and balances the nozzle spacing for more consistent cleaning. The centralizer 301 acts as an important safety device to prevent the cleaning tool from turning around and backing out of the target pipe when the target pipe exceeds 1.5 times the diameter of the cleaning tool. Centralizer 301 of this embodiment may be provided by any conventional means capable of walking within a target pipe and securing nozzle 302 and coiled tubing 700. The centralizer 301 may travel not only in straight pipes, but also in curved pipes. Referring to fig. 5, the centralizer 301 further includes a sliding sleeve 304, rollers 305, and a telescopic frame 306, the central tube 303 is used to connect the coiled tubing 700 and the spray head 302, the sliding sleeve 304 is slidably sleeved on the central tube 303, the telescopic frame 306 is mounted on the sliding sleeve 304, the free end of the telescopic frame 306 is provided with the rollers 305, and the telescopic frame 306 is matched with the sliding sleeve 304, so that the pipe diameters of different target pipes can be adapted. The telescopic structure of the telescopic frame 306 can adopt the conventional telescopic structure, and the roller 305 is attached to the inner side surface of the target pipeline and can roll in the target pipeline. The detailed structure of the centralizer 301 and the working principle thereof disclosed in this embodiment may refer to conventional technical schemes in the art, and these conventional technical schemes are not important to the present invention, which is not described in detail herein.
Example 5
The present embodiment also describes the specific configuration of the control mechanism 400 on the basis of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4. The control mechanism 400 of the present embodiment employs a hydraulic control system to control the operation of the scavenger feed mechanism 100 and the coiled tubing transport mechanism 200, respectively.
One preferable aspect of the control mechanism 400 includes a hydraulic oil tank 401, a radiator 402, an operation control chamber 403, a hydraulic pump 404, a second explosion-proof motor 405, and a hose drum 406; the second explosion-proof motor 405 is connected to the hydraulic pump 404, and the hydraulic pump 404 is connected to the hydraulic tank 401 and is connected to the cleaning agent supply mechanism 100, the coiled tubing conveyance mechanism 200, and the radiator 402 via hydraulic lines, respectively; the hydraulic lines are stored on the hose reel 406 and dissipate heat through the radiator 402. The operation control can be performed in the operation control room, a comfortable and safe operation environment is provided for operators, and the temperature of hydraulic oil can be reduced by using the radiator.
In a preferred scheme of the embodiment, the running mechanism 600 can be arranged on the control mechanism 400, so that the control mechanism 400 is integrally arranged on the running mechanism 600, and the running mechanism 600 can be utilized to drive the control mechanism 400 to run in a roadway, thereby realizing automatic management control. For example, the control mechanism 400 can be arranged on a tracked vehicle, and the tracked vehicle is utilized to drive the control mechanism 400 to walk, so that the device can be well adapted to the complex environment under the coal mine assembly well. The travelling mechanism can select crawler vehicles and other devices capable of automatically travelling.
The underground pipeline cleaning device and method for the coal mine equipment can be suitable for the target pipelines to be cleaned in other roadways besides the gas extraction pipelines, can remarkably reduce the operation intensity and improve the operation efficiency.
In addition, in addition to the technical solutions disclosed in the present embodiment, the structures of the hydraulic control system, the crawler, the driving mechanism, the hose roller, the nozzle, the slip structure, the rotary interface, and the like, and the working principles thereof in the present invention may refer to conventional technical solutions in the art, and these conventional technical solutions are not important to the present invention, and the present invention is not described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. The underground pipeline cleaning device for the coal mine equipment is characterized by comprising a cleaning agent supply mechanism (100), a continuous pipe conveying mechanism (200), a cleaning agent output mechanism (300) and a control mechanism (400), wherein the cleaning agent supply mechanism (100) is connected with the cleaning agent output mechanism (300) through a continuous pipe (700) and is used for conveying cleaning agent to the cleaning agent output mechanism (300) under the control of the control mechanism (400); the coiled tubing (700) is stored on the coiled tubing conveying mechanism (200), and the coiled tubing conveying mechanism (200) is used for injecting or pulling out the coiled tubing (700) under the control of the control mechanism (400);
the continuous pipe conveying device further comprises a position adjusting mechanism (500), wherein a driving part of the continuous pipe conveying mechanism (200) is arranged on the position adjusting mechanism (500), and the position and/or the direction of the continuous pipe (700) conveyed by the driving part are adjusted through the position adjusting mechanism (500);
the position adjusting mechanism (500) comprises a base (501), a supporting frame (502) and a first driving mechanism (503), wherein a driving part of the continuous pipe conveying mechanism (200) is arranged on the base (501) through the supporting frame (502); the base (501) is rotatably connected with the underframe of the continuous pipe conveying mechanism (200), and two ends of the first driving mechanism (503) are respectively connected with the base (501) and the underframe and drive the base (501) to rotate relative to the underframe;
the continuous pipe conveying device further comprises a second driving mechanism (504), wherein a driving part of the continuous pipe conveying mechanism (200) is arranged at the upper end of the supporting frame (502), the lower end of the supporting frame (502) is hinged to the base (501), and two ends of the second driving mechanism (504) are respectively connected with the base (501) and the upper end of the supporting frame (502);
the position adjusting mechanism (500) further comprises a swinging frame (505) and a third driving mechanism (506), the swinging frame (505) is hinged to the upper end of the supporting frame (502), the driving part of the continuous pipe conveying mechanism (200) is arranged on the swinging frame (505), and two ends of the third driving mechanism (506) are respectively connected with the base (501) and the swinging frame (505);
the driving part of the continuous pipe conveying mechanism (200) is in butt joint with a target pipeline (800) through a connecting piece (203), the connecting piece (203) comprises a connecting pipe (204) and a conical piece (205), and the conical piece (205) is rotatably arranged at one end of the connecting pipe (204);
the cleaning agent output mechanism (300) comprises a centralizer (301) and a spray head (302), one end of a central tube (203) in the middle of the centralizer (301) is connected with the spray head (302) through a rotary interface, and the other end of the central tube is connected with the continuous tube (700) through a slip joint.
2. A downhole pipe cleaning apparatus for coal mine equipment according to claim 1, wherein the coiled tubing conveying mechanism (200) comprises a storage part and a driving part respectively connected with the control mechanism (400), the coiled tubing (700) is stored on the storage part, and the coiled tubing (700) is installed in the driving part and is injected into or pulled out of the coiled tubing (700) under the driving of the driving part.
3. A downhole pipe cleaning apparatus for coal mine equipment according to claim 2, wherein the drive section comprises an injection head (202) and the storage section comprises a drum (201).
4. A coal mine equipment downhole pipe cleaning apparatus according to any of claims 1-3, wherein the cleaning agent supply means (100) comprises a booster pump (101), a first explosion-proof motor (102) and a liquid tank (103), the first explosion-proof motor (102) is connected to the booster pump (101), and the booster pump (101) is connected to the liquid tank (103) by a pipe.
5. A downhole pipe cleaning apparatus for coal mine equipment according to any of claims 1-3, wherein the control means (400) employs a hydraulic control system to control the operation of the cleaning agent supply means (100) and the coiled tubing transport means (200), respectively.
6. A downhole pipe cleaning apparatus for coal mine equipment according to any of claims 1-3, wherein the control mechanism (400) comprises a hydraulic tank (401), a radiator (402), an operation control chamber (403), a hydraulic pump (404), a second explosion proof motor (405) and a hose drum (406); the second explosion-proof motor (405) is connected with the hydraulic pump (404), and the hydraulic pump (404) is connected with the hydraulic oil tank (401) and is respectively connected with the cleaning agent supply mechanism (100), the continuous pipe conveying mechanism (200) and the radiator (402) through hydraulic pipelines; the hydraulic line is stored on the hose reel (406) and dissipates heat via the radiator (402).
7. A downhole pipe cleaning apparatus for coal mine equipment according to any of claims 1-3, wherein the cleaning agent supply means (100), the coiled tubing transport means (200) and the control means (400) each comprise a travelling mechanism (600).
8. A method for cleaning underground pipes of coal mine equipment, which is characterized by comprising the following steps of:
s1, selecting a target pipeline (800), placing a cleaning agent supply device (100), a continuous pipe conveying mechanism (200) and a control mechanism (400) at a preset cleaning position, connecting the input end of a continuous pipe (700) with the output end of the cleaning agent supply mechanism (100), wherein the continuous pipe (700) is arranged on the continuous pipe conveying mechanism (200) and the output end is connected with the cleaning agent output mechanism (300);
s2, starting a cleaning agent supply mechanism (100) through a control mechanism (400), conveying the cleaning agent to a cleaning agent output mechanism (300) through a continuous pipe (700), and cleaning a target pipeline (800) through ejection of the cleaning agent output mechanism (300); the continuous pipe (700) drives the cleaning agent supply device (100) to move in the target pipeline under the driving of the continuous pipe conveying mechanism (200).
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| CN202110623049.2A CN115434667B (en) | 2021-06-04 | 2021-06-04 | Underground pipeline cleaning device and method for coal mine equipment |
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| CN202110623049.2A CN115434667B (en) | 2021-06-04 | 2021-06-04 | Underground pipeline cleaning device and method for coal mine equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106703698A (en) * | 2016-12-05 | 2017-05-24 | 泰尔达能源科技（北京）有限公司 | Underground coal mine auto-drilling apparatus and method |
| CN110953014A (en) * | 2019-12-13 | 2020-04-03 | 河南能源化工集团研究总院有限公司 | Colliery PVC pipe automatic feeding device |
| CN111877985A (en) * | 2020-08-26 | 2020-11-03 | 沈阳煤炭科学研究所有限公司 | Continuous pipe type high-pressure guiding drilling device and method for coal mine |
| CN211851712U (en) * | 2020-03-16 | 2020-11-03 | 四川大学 | Drilling crack peeping instrument based on coiled tubing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8479821B2 (en) * | 2010-03-03 | 2013-07-09 | James (Jim Bob) R. Crawford | Method and apparatus for removal of pigs, deposits and other debris from pipelines and wellbores |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703698A (en) * | 2016-12-05 | 2017-05-24 | 泰尔达能源科技（北京）有限公司 | Underground coal mine auto-drilling apparatus and method |
| CN110953014A (en) * | 2019-12-13 | 2020-04-03 | 河南能源化工集团研究总院有限公司 | Colliery PVC pipe automatic feeding device |
| CN211851712U (en) * | 2020-03-16 | 2020-11-03 | 四川大学 | Drilling crack peeping instrument based on coiled tubing |
| CN111877985A (en) * | 2020-08-26 | 2020-11-03 | 沈阳煤炭科学研究所有限公司 | Continuous pipe type high-pressure guiding drilling device and method for coal mine |
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Effective date of registration: 20221219 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Applicant after: CNPC JIANGHAN MACHINERY RESEARCH INSTITUTE Co.,Ltd. Applicant after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Applicant before: CHINA NATIONAL PETROLEUM Corp. Applicant before: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Applicant before: CNPC JIANGHAN MACHINERY RESEARCH INSTITUTE Co.,Ltd. |
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