CN104959354A - Portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device - Google Patents
Portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device Download PDFInfo
- Publication number
- CN104959354A CN104959354A CN201510390549.0A CN201510390549A CN104959354A CN 104959354 A CN104959354 A CN 104959354A CN 201510390549 A CN201510390549 A CN 201510390549A CN 104959354 A CN104959354 A CN 104959354A
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- Prior art keywords
- wiping
- brush
- cleaning device
- ball head
- wet
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Classifications
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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
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes 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
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device. Device wiping liquid is supplied through a quantitative spraying method, and supplying is even and controllable. Long-time and durable work of a standby power source is achieved through a small-power wiping and large-diameter pipeline mechanism. The device is compact and ingenious in structure and light in weight, and carrying and field work are facilitated. A ball head washing handle brush has the automatic advancing and retreating function, the axial force and deformation stressed by a flexible shaft are eliminated, abrasion of the flexible shaft is relieved, and rotation can be achieved in a labor saving mode. A reliable sealing structure is adopted, and a solution and gas do not leak. The device solves the problems that a current wiping machine depends on a power source and cannot wipe a large hole, carrying is not convenient, liquid supplying cannot be quantitative, spraying cannot be achieved, and equipment is corroded through leaking liquid. The wiping method is divided into a dry wiping mode and a wet wiping mode, spraying is not carried out during dry wiping, the ball head brush is directly used for rotary wiping, and during wet wiping, spraying and liquid supplying are carried out at the ball head brush while the ball head brush carries out rotary wiping.
Description
Technical field
The present invention relates to one and clean cleaning device, a kind of portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device specifically.
Background technology
Similar techniques Problems existing and shortcoming before:
Before making the present invention, with the present invention close be a kind of pipeline cleaning machine of small-bore, gas-liquid can not mix, and can not spray; Owing to being Non-follow control, hydrojet and jet operation inconvenience, when flexible axle stops and operating intermittently, can not stop liquid in time, cause waste; And can not be quantitative for the supply of liquid, gas, some occasion can not use; There is no stand-by power supply, can not use during non-transformer in the wild; Structure is comparatively large, weight more very much not possesses portability.
Summary of the invention
The object of this invention is to provide a kind of portable Wet-dry smooth bore tube and rifle pipe internal surface cleans cleaning device, solve current cleaning machine to the dependence of power supply, can not wiping macropore, carry inconvenience, feed flow can not quantitatively, can not spray, the problem of leakage etching apparatus.
The present invention is achieved through the following technical solutions:
A kind of portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device, it is characterized in that, comprise cabinet, in described cabinet, drive motors and decelerator are installed, decelerator is connected with output shaft by shaft coupling, output shaft is arranged in bearing block and also and between flexible axle forms square being connected, flexible axle and sheath use soft shaft lock jack panel to be locked in bearing block, bulb washes other end brush being received flexible axle 4 by fast joint and check lock lever, after drive motors 18 starts, through decelerator 17, power transmission is driven flexible axle 4 synchronous rotary to output shaft 15, drive bulb to wash simultaneously and brush is completed wiping action.
A kind of portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device, it is characterized in that, comprise six new technologies: wiping solution metered dose technology; Small-power wiping large-diameter pipeline technology; The long-time continued power technology of stand-by power supply; Compact, ingenious, portable structure; Wash a brush automatic entrance-exit technology; Dry wipe and wet smear technology.
Wherein, wiping solution metered dose technology, is characterized in that, magnetic valve is arranged on the middle part of inlet channel, its lower end connecting axle bearing air inlet pipe, and then is connected with bearing block, connects bearing block cavity; Upper end connects air inlet pipe, and then connects inlet suction port, forms inlet channel; The switching of magnetic valve and the rotation of flexible axle, stop corresponding, realize spraying synchronous with flexible axle.
Wherein, small-power wiping large-diameter pipeline technology, is characterized in that, when wiping large-diameter pipeline, because the diameter of wiping brush is comparatively large, comparatively during the slow-speed of revolution, its linear velocity just can meet use, therefore drive motors arranges reductor, will remove by no high rotating speed in theory, the rotating speed of output is reduced, moment of torsion increases, because this machine has alignment circuit, do not affect use after therefore slowing down, achieve the function of less drive motors wiping large-diameter pipeline, alleviate the weight of equipment, reduce energy consumption.
Wherein, the long-time continued power technology of stand-by power supply, is characterized in that, have employed the driving mechanism be made up of decelerator and drive motors, reduce useless power, general power is reduced, and continuous power-on time lengthens; Stand-by power supply have employed lightweight construction, alleviates construction weight, adds the proportion of battery compartment, and adopts charging circuit and the control circuit of low energy consumption, reduces loss, extends continuous power-on time further.
Wherein, compact, ingenious, portable structure; it is characterized in that, the position of cabinet top board is lower than cabinet, side seal board two, and side seal board is to cabinet middle bent; enclose a part of space; make the speed governing knob be arranged on cabinet top board, rotating gauge tap, indicator lamp; handle is protected, and is not easy to be broken by hard object when carrying.Control circuit and circuit board, magnetic valve etc. hold flimsy parts, all be arranged on cabinet inside, and cabinet, side seal board, the parts that bearing block equal-volume is larger, all adopt corrosion resistant alloy in lightweight to make, make the compact conformation of complete machine, lightweight, impact resistant, be easy to carry.
Wherein, wash a brush automatic entrance-exit technology, it is characterized in that, bulb washes the bulb spirality arrangement brushing, and this arrangement mode has guidance quality, when ball head brush rotates in the duct, can move axially along spiral, advance during main story, retreat during reversion, the moving direction of ball head brush is changed by forward-reverse switch.
Wherein, dry wipe and wet smear technology, is characterized in that, do not spray during dry wipe, directly uses ball head brush to rotate wiping; During wet smear, while ball head brush rotates wiping, by the gap between flexible axle and sheath, to ball head brush place spraying feed flow, reach the object of wet smear.
Further, during dry wipe, ball head brush rotates forward and advances, and reversely rotates and retreats.Ball head brush is covered with the bulb containing soft abrasiye carborundum, the support bar of bulb has very large elasticity, and under the stop of rifling groove, bulb forms high-frequency hammer action to rifling seamed edge, and coppering is come off.Carborundum bulb is covered with hole on microcosmic, extremely strong to the adsorptivity of coppering and carbon distribution, contributes to coming off and the dissolving of carbon distribution of coppering.At rifling ball head brush afterbody, combination has the nylon bruss adding soft abrasiye carborundum, and the elasticity of this kind of bristle is comparatively large, under the stop of rifling groove, can spring into bottom negative line and clear up carbon distribution.
Further, during wet smear, wiping solution is the decoppering agent that army uses, in decoppering agent containing or produce strong oxidizer, make the copper of adhesion be oxidized to copper ion, also containing ammonium salt in decoppering agent, make copper ion generate stable complex ion and soluble in water.Containing a small amount of carbonate in this external decoppering agent, make in wiping process, have a small amount of gas to generate and fluffing action is played to carbon distribution, be conducive to improving wiping efficiency.
Beneficial effect of the present invention is:
add the automatic control of feed flow (spraying), air feed, and link with the starting and stopping of flexible axle, save liquid, gas.
because the concentration of spraying is adjustable, and the amount of feed flow (spraying) is the working time that spray concentration is multiplied by flexible axle, therefore according to the working time setting spray concentration of flexible axle, just can reach the object of quantitative liquid feeding (spraying).
drive motors arranges reductor, will remove by no high rotating speed in theory, because this machine has alignment circuit, do not affect use after therefore slowing down, slow down and to lower with the rotating speed of rear output shaft, moment of torsion increase, can wiping large-diameter pipeline.
this machine general power is little, and the continuous power-on time of stand-by power supply is relatively long; And have employed light-duty structure, add battery weight, use charging circuit and the control circuit of low energy consumption, reduce loss, extend continuous power-on time further.
the end face of cabinet and side seal board is than closedtop plate hight, make the handle, indicator lamp, speed governing knob, the reversing switch that are arranged on top sealing plate, be hidden within depression that cabinet and side seal board formed, not easily produce collision, damage, and bottom cabinet, 4 flexible feets are installed, be easy to carry and field work.
Accompanying drawing explanation
Accompanying drawing 1: portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device graphics.
Accompanying drawing 2: portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device sectional view.
Accompanying drawing 3: portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device top view.
Accompanying drawing 4: sprayer graphics.
Each label representative in figure:
1, cabinet; 2, side seal board two; 3, top sealing plate; 4, flexible axle; 5, sheath; 6 soft shaft lock jack panels; 7, bearing block locking nut; 8, inlet suction port; 9, handle; 10, bearing block; 11, air inlet pipe; 12, bearing block air inlet pipe; 13, magnetic valve; 14, circuit board; 15, output shaft; 16, shaft coupling; 17, decelerator; 18, motor; 19, exhaust hood; 20, indicator lamp; 21, reversing switch; 22, speed governing knob; 23, bearing block cavity; 24, flexible feet; 25, cup is observed; 26, insure; 27, adjustment knob; 28, shell; 29, air inlet; 30, nozzle; 31, protective cover; 32, lubricating cup; 33, fast joint; 34; Check lock lever; 35, bulb is washed brush; 36, bulb.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
The annexation that portable Wet-dry smooth bore tube and rifle pipe internal surface clean each assembly in cleaning device is: drive motors 18 and decelerator 17 are arranged on bottom cabinet 1, reducer shaft is connected with output shaft 15 by shaft coupling 16, output shaft 15 is arranged in bearing block 10, bearing block uses bearing block locking nut 7 to be locked at the front end of cabinet 1, and flexible axle 4 and sheath 5 use soft shaft lock jack panel 6 to be locked in bearing block 10.
Be provided with successively above bearing block: bearing block air inlet pipe 12, magnetic valve 13, air inlet pipe 11, and air inlet pipe 11 is connected with inlet suction port 8, forms inlet channel.
At the both sides installation side shrouding 22 of cabinet 1, top sealing plate 3 is installed at top, is provided with circuit board 14 and other electrical equipment, circuit, is provided with handle 9, indicator lamp 20, change-over switch 21, speed governing knob 22 on the top of top sealing plate in the bottom of top sealing plate; At cabinet rear portion, heat dissipating housing 19 is housed, flexible feet 24 is equipped with in bottom.
Be connected for square between output shaft 15 and flexible axle 4, when motor 18 starts, and through decelerator 17 by power transmission to output shaft 15 after, will drive flexible axle 4 synchronous rotary, when motor 18 stops, flexible axle 4 synchronously stops, and can complete the work such as wiping pipeline.
Containing alignment circuit on circuit board 14, and carry out speed governing, to meet various needs by the 22 pairs of motors of the speed governing knob on cabinet ceiling light plate 3.
Sprayer there is adjustment knob 27, the spray concentration (supply of unit interval solution) of solution is adjusted by rotating adjustment knob, for wiping single-piece tubing, the spray concentration that overall supplies due to solution equals solution is multiplied by supply time, therefore when spray concentration one timing, the supply time controlling solution can control the supply of solution.The switching of magnetic valve 13 is by automatically controlled method, with the rotation of flexible axle 4, stop corresponding, realize spraying synchronous with the starting and stopping of flexible axle 1, the supply time of such solution is just equal with the working time of cleaning machine, therefore can by the wiping time of wiping single-piece pipeline, determine the spray concentration of solution, thus rationing solution exactly.
Small-power wiping large-diameter pipeline technology, when wiping large-diameter pipeline, because the diameter of wiping brush is larger, comparatively during the slow-speed of revolution, its linear velocity just can meet use, therefore drive motors 18 arranges reductor 17, will remove by no high rotating speed in theory, the rotating speed of output is reduced, moment of torsion increases, because this machine has alignment circuit, do not affect use after therefore slowing down, achieve the function of less drive motors wiping large-diameter pipeline, alleviate the weight of equipment, reduce energy consumption.
The long-time continued power technology of stand-by power supply, have employed the driving mechanism be made up of decelerator 17 and drive motors 18, reduces useless power, general power is reduced, and continuous power-on time lengthens; Stand-by power supply have employed lightweight construction, alleviates construction weight, adds the proportion of battery compartment, and adopts charging circuit and the control circuit of low energy consumption, reduces loss, extends continuous power-on time further.
Compact, ingenious, portable structure; the position of cabinet top board 3 is lower than cabinet 1, side seal board 22; and side seal board 2 is to cabinet middle bent; enclose a part of space; make the speed governing knob 22 be arranged on cabinet top board, rotating gauge tap 21, indicator lamp 20; handle 9 is protected, and is not easy to be broken by hard object when carrying.Control circuit and circuit board 14, magnetic valve 13 etc. hold flimsy parts, all be arranged on cabinet 1 inner, and cabinet 1, side seal board 2, the parts that bearing block 10 equal-volume is larger, all adopt corrosion resistant alloy in lightweight to make, make the compact conformation of complete machine, lightweight, impact resistant, be easy to carry.
Wash a brush automatic entrance-exit technology, bulb is washed the bulb 36 spirality arrangement on brush 35, and this arrangement mode has guidance quality, when ball head brush rotates in the duct, can move axially along spiral, advance during main story, retreat during reversion, the moving direction of ball head brush is changed by forward-reverse switch.
Dry wipe and wet smear technology, do not spray during dry wipe, and directly use ball head brush 35 to rotate wiping, ball head brush 35 rotates forward and advances, and reversely rotates and retreats.Ball head brush 35 is covered with the bulb 36 containing soft abrasiye carborundum, the support bar of bulb 36 has very large elasticity, and under the stop of rifling groove, bulb forms high-frequency hammer action to rifling seamed edge, and coppering is come off.Carborundum bulb is covered with hole on microcosmic, extremely strong to the adsorptivity of coppering and carbon distribution, contributes to coming off and the dissolving of carbon distribution of coppering.At rifling ball head brush afterbody, combination has the nylon bruss adding soft abrasiye carborundum, and the elasticity of this kind of bristle is comparatively large, under the stop of rifling groove, can spring into bottom negative line and clear up carbon distribution.During wet smear, while ball head brush 35 rotates wiping, by the gap between flexible axle 4 and sheath 5, to ball head brush place spraying feed flow, reach the object of wet smear.Wiping solution is the decoppering agent that army uses, in decoppering agent containing or produce strong oxidizer, make the copper of adhesion be oxidized to copper ion, also containing ammonium salt in decoppering agent, make copper ion generate stable complex ion and soluble in water.Containing a small amount of carbonate in this external decoppering agent, make in wiping process, have a small amount of gas to generate and fluffing action is played to carbon distribution, be conducive to improving wiping efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a portable Wet-dry smooth bore tube and rifle pipe internal surface clean cleaning device, it is characterized in that, comprise cabinet (1), in described cabinet (1), drive motors (18) and decelerator (17) are installed, decelerator (17) is connected with output shaft (15) by shaft coupling (16), output shaft (15) to be arranged in bearing block (10) and and form square being connected between flexible axle (4), flexible axle (4) and sheath (5) use soft shaft lock jack panel (6) to be locked in bearing block (10), bulb washes other end brush (35) being received flexible axle (4) by fast joint (33) and check lock lever (34), after drive motors (18) starts, through decelerator (17), power transmission is driven flexible axle (4) synchronous rotary to output shaft (15), drive bulb to wash simultaneously and brush is completed wiping action.
2. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device, it is characterized in that, wiping solution can metered dose, magnetic valve (13) is arranged on the middle part of inlet channel, its lower end connecting axle bearing air inlet pipe (12), and then be connected with bearing block (10), connect bearing block cavity (23); Upper end connects air inlet pipe (11), and then connects inlet suction port (8), forms inlet channel; Gas, through inlet channel, transmits along the gap between flexible axle (4) and sheath (5), arriving the rear end ejection of fast joint (33), reaching the object to washing brush spraying; The switching of magnetic valve (13) and the rotation of flexible axle (4), stop corresponding, realize spraying synchronous with flexible axle.
3. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device, it is characterized in that, small-power wiping large-diameter pipeline can be realized, when wiping large-diameter pipeline, because the diameter of wiping brush is larger, comparatively during the slow-speed of revolution, its linear velocity just can meet use, therefore drive motors (18) arranges reductor (17), to remove by no high rotating speed in theory, the rotating speed of output is reduced, moment of torsion increases, because this machine has alignment circuit, therefore use is not affected after slowing down, achieve the function of less drive motors wiping large-diameter pipeline, alleviate the weight of equipment, reduce energy consumption.
4. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device, it is characterized in that, stand-by power supply can continued power for a long time, have employed the driving mechanism be made up of decelerator (17) and drive motors (18), reduce useless power, general power is reduced, and continuous power-on time lengthens; Stand-by power supply have employed lightweight construction, alleviates construction weight, adds the proportion of battery compartment, and adopts charging circuit and the control circuit of low energy consumption, reduces loss, extends continuous power-on time further.
5. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device; it is characterized in that; there is compact, ingenious, portable structure; the position of cabinet top board (3) is lower than cabinet (1), side seal board two (2); and side seal board (2) is to cabinet middle bent; enclose a part of space; make the speed governing knob (22) be arranged on cabinet top board; rotating gauge tap (21); indicator lamp (20); handle (9) is protected, and is not easy to be broken by hard object when carrying.Control circuit and circuit board (14), magnetic valve (13) etc. hold flimsy parts, all be arranged on cabinet (1) inner, and cabinet (1), side seal board (2), the parts that bearing block (10) equal-volume is larger, all adopt corrosion resistant alloy in lightweight to make, make the compact conformation of complete machine, lightweight, impact resistant, be easy to carry.
6. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device, it is characterized in that, have and wash a brush automatic entrance-exit function, bulb is washed bulb (27) the spirality arrangement on brush (26), and this arrangement mode has guidance quality, when ball head brush rotates in the duct, can move axially along spiral, advance during main story, retreat during reversion, the moving direction of ball head brush is changed by forward-reverse switch.
7. portable Wet-dry smooth bore tube according to claim 1 and rifle pipe internal surface clean cleaning device, it is characterized in that, comprise dry wipe and wet smear two kinds of purposes, do not spray during dry wipe, directly use ball head brush (35) to rotate wiping; During wet smear, while ball head brush (35) rotates wiping, by the gap between flexible axle (4) and sheath (5), to ball head brush place spraying feed flow, reach the object of wet smear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390549.0A CN104959354A (en) | 2015-07-06 | 2015-07-06 | Portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390549.0A CN104959354A (en) | 2015-07-06 | 2015-07-06 | Portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN104959354A true CN104959354A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390549.0A Pending CN104959354A (en) | 2015-07-06 | 2015-07-06 | Portable dry-wet dual-purpose smoothbore pipe and line bore pipe inner surface wiping and cleaning device |
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| CN (1) | CN104959354A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733757A (en) * | 2016-12-29 | 2017-05-31 | 核动力运行研究所 | A kind of nuclear island electric gate valve stuffing-box cleaning device for inner wall |
| CN107675198A (en) * | 2017-09-30 | 2018-02-09 | 重庆兴勇科技股份有限公司 | A kind of firearms decoppering agent |
| CN108787648A (en) * | 2018-05-20 | 2018-11-13 | 佛山市高芯科技服务有限公司 | A kind of pipeline cleaning machine people |
| CN109158386A (en) * | 2018-09-05 | 2019-01-08 | 佛山市金净创环保技术有限公司 | A kind of continuous conduit inner wall decontamination plant |
| CN109440916A (en) * | 2018-10-22 | 2019-03-08 | 安徽福井环保科技有限公司 | A kind of sewage pipe nozzle Accrete clearing device |
| CN110091238A (en) * | 2019-04-26 | 2019-08-06 | 中铁二十一局集团第三工程有限公司 | The automatic cleaning and polishing device of concrete delivery pipe |
| CN111773407A (en) * | 2020-08-04 | 2020-10-16 | 河南科技大学第一附属医院 | Automatic disinfection device for imaging department |
| CN113578803A (en) * | 2021-07-19 | 2021-11-02 | 深圳市裕展精密科技有限公司 | Wiping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106733757A (en) * | 2016-12-29 | 2017-05-31 | 核动力运行研究所 | A kind of nuclear island electric gate valve stuffing-box cleaning device for inner wall |
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| CN108787648A (en) * | 2018-05-20 | 2018-11-13 | 佛山市高芯科技服务有限公司 | A kind of pipeline cleaning machine people |
| CN109158386A (en) * | 2018-09-05 | 2019-01-08 | 佛山市金净创环保技术有限公司 | A kind of continuous conduit inner wall decontamination plant |
| CN109440916A (en) * | 2018-10-22 | 2019-03-08 | 安徽福井环保科技有限公司 | A kind of sewage pipe nozzle Accrete clearing device |
| CN110091238A (en) * | 2019-04-26 | 2019-08-06 | 中铁二十一局集团第三工程有限公司 | The automatic cleaning and polishing device of concrete delivery pipe |
| CN111773407A (en) * | 2020-08-04 | 2020-10-16 | 河南科技大学第一附属医院 | Automatic disinfection device for imaging department |
| CN113578803A (en) * | 2021-07-19 | 2021-11-02 | 深圳市裕展精密科技有限公司 | Wiping device |
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Application publication date: 20151007 |