CN102943638A - Water jet cleaning system for large-diameter deep well - Google Patents
Water jet cleaning system for large-diameter deep well Download PDFInfo
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- CN102943638A CN102943638A CN2012103469430A CN201210346943A CN102943638A CN 102943638 A CN102943638 A CN 102943638A CN 2012103469430 A CN2012103469430 A CN 2012103469430A CN 201210346943 A CN201210346943 A CN 201210346943A CN 102943638 A CN102943638 A CN 102943638A
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Abstract
The invention discloses a water jet cleaning method for a large-diameter deep well, and belongs to the technical field of water jet cleaning application. The water jet cleaning method is characterized in that a cleaning manner is determined to be multi-spray-gun rotating water jet cleaning according to structural characteristics of the inner wall of the large-diameter deep well and the attributes of attachments on the well wall; multiple spray guns evenly distributed in the circumferential direction can rotate around the axis of the deep well under the drive of a rotating mechanism, and move in the axial direction of the deep well under the drive of a telescopic mechanism; the cleaning quality and the cleaning effect are observed through a video monitoring method; video monitoring cameras and a driving motor of the telescopic mechanism of a cleaning device are fixed on a worktable; the structural size of the worktable is designed according to the inner diameter of the deep well and a safety requirement; the structure of the worktable is designed according to a strength criterion; a high pressure water pipe in the well and a cable harness get in and out of the deep well via an extending and retracting mechanism; control buttons of the motor and the cameras are integrated in a portable control box; and a high pressure water pump and an electric hoist are independently controlled. The water jet cleaning method disclosed by the invention solves the problem that the large-diameter deep well cannot be automatically cleaned.
Description
Technical field
Large-diameter deep well water jet flow cleaning system belongs to the water jet cleaning applied technical field, relates to major diameter deep-well inwall residue Removal Technology, specially refers to the water jet Removal Technology of major diameter deep-well inwall residue.
Background technology
The major diameter deep-well all can have many solid particles to be attached on the deep-well inwall at every turn after hours.At present, existing method for cleaning is to adopt labor cleaning's mode.Because deep-well internal diameter and length are all very large, labor cleaning's Shortcomings mainly is that length consuming time, cleaning are not comprehensive.Cleaning by high pressure water jet technology provides technical foundation for the contactless cleaning of major diameter deep-well.But at present major diameter deep-well cleaning there is no the water jet cleaning equipment.
Summary of the invention
The invention provides and a kind ofly have in the major diameter deep-well of drainage system the water jet of employing to its method of cleaning, to solve present major diameter deep-well labor cleaning method length consuming time, to clear up incomplete problem.
The present invention adopts water jet cleaning major diameter deep-well, and the scheme that video monitoring is observed cleaning quality is as follows:
(1) material property that adheres to according to inwall after major diameter deep-well interior wall construction characteristics and the work, the cleaning way of determining the major diameter deep-well are the water jet cleaning of many spray gun rotations.
(2) many spray guns of cleaning device adopt the planar circumferential uniform layout, and perpendicular to large-diameter deep borehole axis line; The interconnected part of many spray guns is an electronic rotation mechanism, is connected to the telescoping mechanism front end of cleaning device; The standing part of this telescoping mechanism and cleaning platform are connected.
(3) the telescoping mechanism tail end of cleaning device links to each other with the switching high-pressure water pipe; The other end of switching high-pressure water pipe links to each other with well inner high voltage water pipe; The other end of well inner high voltage water pipe links to each other by the outer high-pressure water pipe of well inner high voltage water pipe jack and well; The other end of the outer high-pressure water pipe of well links to each other with the high-pressure hydraulic pump output; The input of high-pressure hydraulic pump is connected on the fire hydrant.
(4) select well inner high voltage length of pipe according to the large-diameter deep borehole axis to length; Select well inner high voltage water pipe jack according to well inner high voltage water pipe characteristics, automatic or manual; According to high-pressure water pipe length outside the selected well of deep-well mouth drop between high-pressure hydraulic pump; Pressure ratio according to spray gun outlet pressure and the selected high-pressure hydraulic pump of lift.
(5) determine cleaning platform external diameter according to major diameter deep-well inwall characteristics; Consider the projection on the deep-well inwall, according to cleaning platform external diameter, highly, maximum inclination angle and the maximum extension elongation of cleaning device telescoping mechanism determine water jet spray gun length.
(6) the cleaning platform adopts frame construction, axially divides three layers, and top layer connects with the workbench suspension rod, and the cleaning quality monitoring camera is installed; The position-limit mechanism of water jet spray gun telescoping mechanism and telescoping mechanism is installed in the middle level; Bottom is empty framework, plays a supportive role when depositing.
(7) a plurality of cleaning quality monitoring cameras adopt the planar circumferential uniform layout, and each camera all adopts large wide-angle, possess zoom function and full degree of freedom view finding function.
(8) according to the deep-well axial length, determine control line and the video line length of cleaning quality monitoring camera, and the telescoping mechanism control line of cleaning device and rotating mechanism control line length; At the well head place drawing cable mechanism is set, automatic or manual; All cables have transit cable, to realize the installation connection at well head.
(9) according to the large-diameter deep borehole axis to size characteristics, select Motor Driven Elevating Calabash cleaning platform; Electric block is fixed on the hoisting bracket of well head; Hoisting bracket is fixed on the deep-well mouth.
(10) control knob of cleaning quality monitoring camera and video display, the control knob concentrated setting of cleaning device telescoping mechanism and rotation speed adjusting gear is in the portable control box; The control of high-pressure hydraulic pump is located at the water pump position; The controller of electric block uses separately.
Large-diameter deep well water jet flow cleaning method of the present invention is different from the cleaning method of small size deep-well, has solved major diameter deep-well manual cleaning length consuming time and has cleared up incomplete problem, for the cleaning of major diameter deep-well provides a kind of automation means.
Description of drawings
Fig. 1 is workbench and the cleaning device schematic diagram of large-diameter deep well water jet flow cleaning system.
Fig. 2 is large-diameter deep well water jet flow cleaning circuit system and water circuit system schematic diagram, this rubber sheath not shown in FIG..
Fig. 3 is the portable control box control panel schematic diagram of water jet cleaning system.
Fig. 4 is that water jet cleaning is the workbench top view.
Fig. 5 is that water jet cleaning is the workbench upward view.
Among the figure: 1 electric block; 2 rack beams; 3 supports; 4 wireropes; 5 suspension ring; 6 suspension rods; 7 workbench upper strata end frames; 8 rubber sheaths; The vertical connecting rod of 9 workbench; 10 workbench middle level end frames; 11 workbench lower floors end frame; 12 spray guns; 13 spray gun mounting discs; 14 cleaning device telescoping mechanisms; The motor of 15 cleaning device telescoping mechanisms and position-limit mechanism; 16 video frequency pick-up heads; 17 camera connecting rods; Maximum projection in 18 deep-wells; 19 deep-well inwalls; 20 drawing cable mechanisms; 21 drawing cable mechanism racks; The outer cable bundle of 22 wells; 23 portable control boxes; But 24 folding and unfolding cables; 25 cable cards; 26 cable switching devices; 27 transit cables; 28 camera control line and video transmission lines; 29 cleaning device telescoping mechanism Electric Machine Control lines; 30 cleaning device rotating mechanism Electric Machine Control lines; But 31 folding and unfolding high-pressure water pipe; 32 high-pressure water pipe adapters; 33 switching high-pressure water pipe; 34 high-pressure water pipe jacks; 35 high-pressure water pipe jack supports; The outer high-pressure water pipe of 36 wells; 37 high-pressure hydraulic pumps; 38 tap water; 39 portable control box panels; 40 video displays; 41 cleaning device constant speed telescoping mechanism control zones; 42 cleaning device constant speed telescoping mechanism control knobs, the above is for rising, and the below is for falling; 43 cleaning device constant speed telescoping mechanism lock-button, the above is raised to the position locking, and the below is for dropping to the position locking; 44 cleaning device rotating mechanism control zones; 45 cleaning device rotating mechanism control knobs, the above turns clockwise, and the below is for turning counterclockwise; 46 cleaning device rotating mechanism rotational speed regulation knobs are clockwise for accelerating, counterclockwise for slowing down; No. 47 camera control zones; 48 videos show control knob, and the above is for opening, and the below is for closing; The beginning of 49 cameras, the above is for opening, and the below is for closing; 50 quickcam image focusing buttons, the above is for amplifying, and the below is for dwindling; 51 cam movement control knobs, the above is for coming back, and the below is for bowing, and the left side is left-hand rotation, and the right side is for turning right; 52 No. two camera control zones; 53 No. three camera control zones; Ring in the 54 workbench upper stratas; 55 workbench upper strata inner and outer ring connecting rods; 56 workbench middle level inner and outer ring connecting rods; Ring platform in the 57 workbench middle levels; The circumferential position-limit mechanism of 58 cleaning device telescoping mechanisms.
The specific embodiment
As an example of the water jet cleaning of major diameter deep-well example specific embodiments of the invention are described below in conjunction with technical scheme and accompanying drawing.
1. cleaning platform preliminary design
According to major diameter deep-well inwall 19 maximum projection 18 minimum diameters that determine, consider safe distance, design the maximum outside diameter size of cleaning platform; According to the principle of not toppling in the well, consider safety factor, determine the length of the vertical connecting rod 9 of workbench, i.e. height of table.
2. the preliminary design of cleaning device
According to spray gun 12 length of cleaning platform maximum outside diameter primary election less than this maximum outside diameter; Select the spray gun model according to large-diameter deep well water jet flow cleaning operating pressure, determine the spray gun quality; Select the rotating mechanism 13 of cleaning device according to spray gun 12 quantity, determine rotating mechanism 13 quality; Select the telescoping mechanism 14 of cleaning device according to spray gun 12 and the quality of rotating mechanism 13 assemblys, determine quality; According to spray gun 12, rotating mechanism 13 and telescoping mechanism 14 assemblys, consider that telescoping mechanism 14 does not circumferentially rotate, select telescoping mechanism motor and position-limit mechanism 15, determine quality; Utilize the circumferential position-limit mechanism 58 restriction telescoping mechanisms 14 of cleaning device telescoping mechanism circumferentially not rotate; According to spray gun 12 outlet pressures, consider safety factor, select switching high-pressure water pipe 33 and high-pressure water pipe adapter 32, determine quality; According to the power of rotating mechanism 13 and telescoping mechanism motor 15, select cleaning device telescoping mechanism Electric Machine Control line 29 and cleaning device rotating mechanism Electric Machine Control line 30, determine quality.
3. the cleaning platform further designs
Determine position, cleaning platform middle level according to the physical dimension of cleaning device telescoping mechanism motor.
4. the again design of cleaning device
Spray gun and workbench during with work are regarded an integral body as, when workbench when the introversion of major diameter deep-well is oblique, contact deep-well inwall 19 as benchmark take upper end frame 7 with lower end frame 11, between spray gun rifle mouth and the borehole wall certain safe distance to be arranged, consider the maximum extension elongation of telescoping mechanism, according to geometrical relationship design spray gun length.Repeated for the 2nd step, further design cleaning device, determine the cleaning device gross mass.
5. the design of monitoring arrangement
According to the distance in deep-well maximum inner diameter and camera 16 and the borehole wall, consider the wide-angle of camera 16, determine the data of monitoring camera 16; According to the waterproof needs, the needs of varifocal, pitching and rotation are taken into account wide-angle performance, select monitoring camera 16 models, determine quality; According to the camera quality, consider safety factor design camera connecting rod 17, determine quality; According to camera 16 power and transmission of video needs, select camera control line and video transmission line 28 and cable switching device 26, determine quality; With the quality addition of all cameras and connecting rod, switching cable and adapter, obtain the gross mass of monitoring arrangement.
6. cleaning platform final design
Consider the water resistance requirement, the cleaning platform is selected the waterproofing materials manufacturing; According to cleaning device gross mass and monitoring arrangement gross mass, utilize criterion of strength to carry out the table frame structure design; The cleaning platform divides three layers, connects with the vertical connecting rod 9 of workbench therebetween; In the upper strata ring 54 with outer shroud 7 between be connected with workbench upper strata inner and outer ring connecting rod 55; Be connected with workbench middle level inner and outer ring connecting rod 56 between ring platform 57 and the outer shroud 10 in the middle level; According to the demand that does not scratch the deep-well inwall, select the material of rubber sheath 18, quality is determined in design shape and installation site; Determine at last cleaning platform gross mass.
7. cleaning platform suspension rod and suspension ring design
According to the summation of cleaning platform gross mass, cleaning device gross mass and monitoring arrangement gross mass, form of structure, the size of design suspension rod 6 reach and quantity, determine the suspension rod gross mass; According to the summation of cleaning platform gross mass, cleaning device gross mass, monitoring arrangement gross mass and suspension rod gross mass, form of structure, the size of design suspension ring 5 are determined quality.
8. the design of cleaning platform lifting gear
According to the summation of cleaning platform gross mass, cleaning device gross mass, monitoring arrangement gross mass, suspension rod 6 gross masses and suspension ring 5 quality, select the model of wirerope 4; According to the model of wirerope 4, consider the large-diameter deep borehole axis to length, selection electric block 1 model is determined quality; Electric block 1 adopts driven by power, separately control; Summation according to cleaning platform gross mass, cleaning device gross mass, monitoring arrangement gross mass, suspension rod 6 gross masses, suspension ring 5 quality and electric block 1 quality, consider the height of suspension ring 5, suspension rod 6 and workbench assembly, form of structure and the size of design lifting gear support 3; According to electric block 1 planform design rack beam 2.
9. the design of high-pressure water pipe jack
But select the high-pressure water pipe identical with switching high-pressure water pipe 33 models as folding and unfolding high-pressure water pipe 31; According to the large-diameter deep borehole axis to length, but select the length of folding and unfolding high-pressure water pipe 31; But according to length and the external diameter of folding and unfolding high-pressure water pipe 31, form of structure and the size of design high-pressure water pipe jack 34, and form of structure and the size of high-pressure water pipe jack support 35; The type of drive of high-pressure water pipe jack 34 adopts electronic and manual dual mode.
10. the selection of high-pressure hydraulic pump
Select the high-pressure water pipe identical with switching high-pressure water pipe 33 models as the outer high-pressure water pipe 36 of well; According to lift and access pressure ratio, select high-pressure hydraulic pump 37; Because water supply volume is large, the high-pressure hydraulic pump entrance connects the tap water 38 that fire hydrant is used; High-pressure hydraulic pump 37 adopts centrifugal pump or plunger displacement pump, determines according to the actual requirements the form of high-pressure hydraulic pump; High-pressure hydraulic pump adopts driven by power, separately control.
11. the design of drawing cable mechanism
Camera control line and video transmission line 28, cleaning device telescoping mechanism Electric Machine Control line 29 and cleaning device rotating mechanism Electric Machine Control line 30 form switching cable 27; But select the cable conduct folding and unfolding cable 24 identical with switching cable 27; According to the large-diameter deep borehole axis to length, but select the length of folding and unfolding cable 24; But according to length and the external diameter of folding and unfolding cable 24, form of structure and the size of design cable jack 20, and the form of structure of drawing cable mechanism rack 21 and size; The type of drive of drawing cable mechanism 20 can adopt electronic also can the employing manually.
12. the design of the outer cable bundle of well
Consider from easy to operate and security standpoint, select model and the length of the outer cable bundle 22 of well.
13. the design of portable control box
With the control of cleaning device rotating mechanism 13 and telescoping mechanism 14 and the control knob of camera 16, and video display all is integrated in the portable control box; Portable control box panel 39 mainly divides three, and the upper left corner is video display 40, and the lower left corner is the cleaning device control zone, and the right side is video monitor camera control zone; The cleaning device control zone comprises cleaning device constant speed telescoping mechanism control zone 41 and cleaning device rotating mechanism control zone 44; Cleaning device constant speed telescoping mechanism control zone 41 comprises cleaning device constant speed telescoping mechanism control knob 42 (top for rise, the below is for falling) and cleaning device constant speed telescoping mechanism lock-button 43 (above be to be raised to the position locking, the below locks for dropping to); Cleaning device rotating mechanism control zone 44 comprises cleaning device rotating mechanism control knob 45 (above be to turn clockwise, the below is for turning counterclockwise) and cleaning device rotating mechanism rotational speed regulation knob 46 (clockwise for accelerating, counterclockwise for slowing down); Video monitor camera control zone comprises that the function control knob of camera control zone 47,53, three control zones in No. two camera control zones 52 and No. three camera control zones is identical; Describe take camera control zone 47 as example, this control zone comprises that video shows that control knob 48 is (top for opening, the below is for closing), camera beginning 49 is (top for opening, the below is for closing), quickcam image focusing button 50 is (top for amplifying, the below is for dwindling) and cam movement control knob 51 (top for coming back, the below is for bowing, and the left side is left-hand rotation, and the right side is for turning right).
Claims (1)
1. large-diameter deep well water jet flow cleaning system is characterized in that:
1) material property that adheres to according to inwall after major diameter deep-well interior wall construction characteristics and the work, the cleaning way of determining the major diameter deep-well are that many spray guns rotating fluid cleans;
2) many spray guns of cleaning device adopt the planar circumferential uniform layout, and perpendicular to large-diameter deep borehole axis line; The interconnected part of many spray guns is an electronic rotation mechanism, is connected to the telescoping mechanism front end of cleaning device; The standing part of this telescoping mechanism and cleaning platform are connected;
3) the telescoping mechanism tail end of cleaning device links to each other with the switching high-pressure water pipe; The other end of switching high-pressure water pipe links to each other with well inner high voltage water pipe; The other end of well inner high voltage water pipe links to each other by the outer high-pressure water pipe of well inner high voltage water pipe jack and well; The other end of the outer high-pressure water pipe of well links to each other with the high-pressure hydraulic pump output; The input of high-pressure hydraulic pump is connected on the fire hydrant;
4) select well inner high voltage length of pipe according to the large-diameter deep borehole axis to length; Select well inner high voltage water pipe jack according to well inner high voltage water pipe characteristics, automatic or manual; According to high-pressure water pipe length outside the selected well of deep-well mouth drop between high-pressure hydraulic pump; Pressure ratio according to spray gun outlet pressure and the selected high-pressure hydraulic pump of lift;
5) determine cleaning platform external diameter according to major diameter deep-well inwall characteristics; Consider the protruding situation on the deep-well inwall, according to cleaning platform external diameter, highly, maximum inclination angle and the maximum extension elongation of cleaning device telescoping mechanism determine water jet spray gun length;
6) the cleaning platform adopts frame construction, axially divides three layers, and top layer connects with the workbench suspension rod, and the cleaning quality monitoring camera is installed; The position-limit mechanism of water jet spray gun telescoping mechanism and telescoping mechanism is installed in the middle level; Bottom is empty framework, plays a supportive role when depositing;
7) a plurality of cleaning quality monitoring cameras adopt the planar circumferential uniform layout, and each camera all adopts large wide-angle, possess simultaneously remote zoom control function and full degree of freedom view finding function;
8) according to the deep-well axial length, determine control line and the video line length of cleaning quality monitoring camera, and the telescoping mechanism control line of cleaning device and rotating mechanism control line length; At the well head place drawing cable mechanism is set, is provided with the automatic or manual working method; All cables have transit cable, to realize the installation connection at well head;
9) according to the large-diameter deep borehole axis to size characteristics, select Motor Driven Elevating Calabash cleaning platform; Electric block is fixed on the hoisting bracket crossbeam of well head; Hoisting bracket is fixed on the deep-well mouth;
10) control knob of cleaning quality monitoring camera and video display, the control knob concentrated setting of cleaning device telescoping mechanism and rotation speed adjusting gear is in the portable control box; The control of high-pressure hydraulic pump is located at the water pump position; The controller of electric block uses separately.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210346943.0A CN102943638B (en) | 2012-09-07 | 2012-09-07 | Water jet cleaning system for large-diameter deep well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210346943.0A CN102943638B (en) | 2012-09-07 | 2012-09-07 | Water jet cleaning system for large-diameter deep well |
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| CN102943638A true CN102943638A (en) | 2013-02-27 |
| CN102943638B CN102943638B (en) | 2015-03-25 |
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| CN201210346943.0A Expired - Fee Related CN102943638B (en) | 2012-09-07 | 2012-09-07 | Water jet cleaning system for large-diameter deep well |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109921A (en) * | 2014-05-12 | 2017-08-29 | D·帕克 | Downhole tool |
| CN109396084A (en) * | 2018-11-20 | 2019-03-01 | 四川九洲电器集团有限责任公司 | A kind of optical fiber cleaning device and optical fiber assembling line |
| CN109570156A (en) * | 2018-12-26 | 2019-04-05 | 长沙矿山研究院有限责任公司 | A kind of filling vertical tube cleaning robot and its application method |
| CN110700778A (en) * | 2019-10-29 | 2020-01-17 | 中国矿业大学 | Hole cleaning device of drilling peeping instrument |
| CN114215475A (en) * | 2022-02-21 | 2022-03-22 | 徐州工程学院 | Deep well drilling machine containing sewage treatment and air injection device efficiency model thereof |
| CN116607896A (en) * | 2023-07-20 | 2023-08-18 | 陕西中煤新能源有限公司 | Well flushing device for water source heat pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299282A (en) * | 1980-03-25 | 1981-11-10 | Thornton J W | Well cleaner |
| US4349073A (en) * | 1980-10-07 | 1982-09-14 | Casper M. Zublin | Hydraulic jet well cleaning |
| CN1623040A (en) * | 2002-03-11 | 2005-06-01 | 吉诺维·德米特利耶维奇·哈米涅茨 | Method for operating a well jet device during ultrasonic cleaning of the downhole area of a productive formation and device for carrying out said method |
| US7011158B2 (en) * | 2003-09-05 | 2006-03-14 | Jerry Wayne Noles, Jr., legal representative | Method and apparatus for well bore cleaning |
| CN1975097A (en) * | 2006-12-09 | 2007-06-06 | 中国石化股份胜利油田分公司孤岛采油厂 | Inner pipe water pressure pulse flushing device |
| US20070261855A1 (en) * | 2006-05-12 | 2007-11-15 | Travis Brunet | Wellbore cleaning tool system and method of use |
| CN201386522Y (en) * | 2009-04-20 | 2010-01-20 | 大庆玖兴技术服务有限公司 | Self-advancing high-pressure cavitating jet washing device |
-
2012
- 2012-09-07 CN CN201210346943.0A patent/CN102943638B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299282A (en) * | 1980-03-25 | 1981-11-10 | Thornton J W | Well cleaner |
| US4349073A (en) * | 1980-10-07 | 1982-09-14 | Casper M. Zublin | Hydraulic jet well cleaning |
| CN1623040A (en) * | 2002-03-11 | 2005-06-01 | 吉诺维·德米特利耶维奇·哈米涅茨 | Method for operating a well jet device during ultrasonic cleaning of the downhole area of a productive formation and device for carrying out said method |
| US7011158B2 (en) * | 2003-09-05 | 2006-03-14 | Jerry Wayne Noles, Jr., legal representative | Method and apparatus for well bore cleaning |
| US20070261855A1 (en) * | 2006-05-12 | 2007-11-15 | Travis Brunet | Wellbore cleaning tool system and method of use |
| CN1975097A (en) * | 2006-12-09 | 2007-06-06 | 中国石化股份胜利油田分公司孤岛采油厂 | Inner pipe water pressure pulse flushing device |
| CN201386522Y (en) * | 2009-04-20 | 2010-01-20 | 大庆玖兴技术服务有限公司 | Self-advancing high-pressure cavitating jet washing device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109921A (en) * | 2014-05-12 | 2017-08-29 | D·帕克 | Downhole tool |
| CN109396084A (en) * | 2018-11-20 | 2019-03-01 | 四川九洲电器集团有限责任公司 | A kind of optical fiber cleaning device and optical fiber assembling line |
| CN109396084B (en) * | 2018-11-20 | 2024-03-01 | 四川九洲电器集团有限责任公司 | Optical fiber cleaning device and optical fiber assembly line |
| CN109570156A (en) * | 2018-12-26 | 2019-04-05 | 长沙矿山研究院有限责任公司 | A kind of filling vertical tube cleaning robot and its application method |
| CN110700778A (en) * | 2019-10-29 | 2020-01-17 | 中国矿业大学 | Hole cleaning device of drilling peeping instrument |
| CN110700778B (en) * | 2019-10-29 | 2020-11-17 | 中国矿业大学 | Hole cleaning device of drilling peeping instrument |
| CN114215475A (en) * | 2022-02-21 | 2022-03-22 | 徐州工程学院 | Deep well drilling machine containing sewage treatment and air injection device efficiency model thereof |
| CN116607896A (en) * | 2023-07-20 | 2023-08-18 | 陕西中煤新能源有限公司 | Well flushing device for water source heat pump |
| CN116607896B (en) * | 2023-07-20 | 2023-10-10 | 陕西中煤新能源有限公司 | Well flushing device for water source heat pump |
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| CN102943638B (en) | 2015-03-25 |
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