CN107282559A - A kind of offshore platform pipeline-cleaning filter - Google Patents
A kind of offshore platform pipeline-cleaning filter Download PDFInfo
- Publication number
- CN107282559A CN107282559A CN201710666670.0A CN201710666670A CN107282559A CN 107282559 A CN107282559 A CN 107282559A CN 201710666670 A CN201710666670 A CN 201710666670A CN 107282559 A CN107282559 A CN 107282559A
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- CN
- China
- Prior art keywords
- cleaning
- filter
- water tank
- pipeline
- hairbrush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of offshore platform pipeline-cleaning filter, including pipeline used for oil platform and mobile cleaning vehicle, the mobile cleaning vehicle is located at channel interior used for oil platform, in addition to cleaning sullage reclaims filter, cleaning water tank, cleaning motor, rotating shaft, hairbrush, connecting shaft, shifting roller, water sucking mouth and sewage recovery tube；The present invention is with simple, relatively low to the cleaning cost of oil platform pipeline, cleaning equipment small volume rational in infrastructure, conveniently moving, here the rinse water in mobile cleaning vehicle supernatant water tank is injected on the inwall of pipeline by high-pressure injection hydraulic giant first with high-pressure wash pipe and high-pressure pump, here high-pressure injection hydraulic giant is rinsed after can prewetting and scrub before hairbrush scrub, improves cleaning quality；Sewage after cleaning is reclaimed by cleaning sullage is transmitted back to cleaning water tank recycling after filter filtering, the cleaning cost for reducing oil platform pipeline is relatively low, reduces the spatial volume of cleaning water tank.
Description
Technical field
The present invention relates to oil production equipment technical field, more particularly to a kind of offshore platform is filtered with pipeline-cleaning
Device.
Background technology
Grease, rust deposite solidification in the pipeline used for oil platform being used for a long time, pipeline used for oil platform cause former pipe caliber
Diminish, influence the conveying of oil；The hydrogen sulfide gas that silt deposit is produced in pipeline used for oil platform causes environmental pollution and easy
Initiation is fired；Acid, alkaloid substance in waste water produce heavy corrosion to pipeline inner wall used for oil platform；In pipeline used for oil platform
Foreign matter, which is irregularly removed, can then cause pipeline blockage used for oil platform；Pipeline-cleaning used for oil platform be using chemical method or
Physical method is purged to pipeline inner wall surface smut used for oil platform, grease, reaches the purpose of cleaning, it is ensured that oil platform
With the sewage after the process of the original material of pipeline inner wall surface recovery, but the existing cleaning to pipeline washing device used for oil platform
Stay in pipeline used for oil platform, not only influence the normal of pipeline used for oil platform to use, and cause cleaning water consumption it is larger,
Cost is higher, and cleaning vehicle is to guarantee to provide sufficient rinse water, it is necessary to install in cleaning vehicle compared with large water tank, causes cleaning to set
Standby volume is larger, and the less pipeline used for oil platform of some calibers is not applied to then.
The content of the invention
The purpose of the present invention is that provides a kind of offshore platform pipeline-cleaning mistake to solve the above problems
Device is filtered, the sewage after the existing cleaning to pipeline washing device used for oil platform is solved and stays in pipeline used for oil platform,
Not only influence the normal of pipeline used for oil platform to use, and cause that cleaning water consumption is larger, cost is higher, cleaning equipment volume
It is larger, and problem is not applied to then to the less pipeline used for oil platform of some calibers.
In order to solve the above problems, the invention provides a kind of technical scheme：
A kind of offshore platform pipeline-cleaning filter, including pipeline used for oil platform and mobile cleaning vehicle, the shifting
Dynamic cleaning vehicle is located at channel interior used for oil platform, in addition to cleaning sullage reclaim filter, cleaning water tank, cleaning motor,
Rotating shaft, hairbrush, connecting shaft, shifting roller, water sucking mouth and sewage recovery tube, the cleaning sullage reclaim filter, rinse water
Case and cleaning motor are arranged on the inside of mobile cleaning vehicle, and the cleaning sullage reclaims filter and is arranged on cleaning water tank and clear
Wash between motor, the cleaning motor is connected by connecting shaft with rotating shaft transmission, and hairbrush is installed with the rotating shaft, described
The bottom of mobile cleaning vehicle is installed with shifting roller, and the cleaning sullage reclaims filter by sewage recovery tube with inhaling
The mouth of a river is connected.
Preferably, the shifting roller uses the noiseless nylon roller of high intensity.
Preferably, the cleaning sullage, which reclaims filter, includes dirt inlet, filtering outlet, upper strata quartz sand filtration
Layer, biomass filler filter layer, lower floor's activated carbon filter and water-supply-pipe, the cleaning sullage reclaim filter top and
Bottom is respectively equipped with dirt inlet and filtering outlet, and the dirt inlet and filtering outlet are arranged on cleaning sullage and reclaim filter phase
To both sides, the inside that the cleaning sullage reclaims filter is provided with upper strata quartz sand filtration layer, the filtering of biomass filler
Layer and lower floor's activated carbon filter, the biomass filler filter layer be arranged on upper strata quartz sand filtration layer and with lower floor's activated carbon
Between filter, the dirt inlet is connected with sewage recovery tube, and sewage recovery pump, the mistake are provided with the sewage recovery tube
Mouth is filtered out to be connected with cleaning water tank by water-supply-pipe.
Preferably, the rinse water case includes servomotor, agitating shaft, stirrer paddle, high-pressure wash pipe, high-pressure injection
Servomotor is installed at the top of hydraulic giant, high-pressure pump, cleaning agent storage bin and cleaning agent addition pump, the cleaning water tank, it is described
Servomotor is connected by shaft coupling and agitating shaft, and multiple stirrer paddles are installed with the agitating shaft, described clear
The top of water tank is connected by pipeline with high-pressure wash pipe, and the one end of the high-pressure wash pipe away from cleaning water tank is fixedly mounted
Have and high-pressure pump is installed on high-pressure injection hydraulic giant, the high-pressure wash pipe, the cleaning water tank is by cleaning agent adding tube and clearly
Cleaning agent storage bin connection at the top of water tank, and cleaning agent addition pump is installed in cleaning agent adding tube.
Preferably, the muzzle of the high-pressure injection hydraulic giant is set obliquely.
Preferably, the water sucking mouth includes preceding water sucking mouth and rear water sucking mouth.
Preferably, the hairbrush includes hairbrush mounting bracket and hairbrush set, the hairbrush mounting bracket is provided with neck,
The hairbrush is put provided with buckle, and the hairbrush set is detachably fixed clamping by the neck on buckle and hairbrush mounting bracket.
Beneficial effects of the present invention：
The present invention is mobile with simple, relatively low to the cleaning cost of oil platform pipeline, cleaning equipment small volume rational in infrastructure
It is convenient, and the hairbrush of cleaning is installed, convenient disassembly, is conveniently replaceable, here will first with high-pressure wash pipe and high-pressure pump
Rinse water in mobile cleaning vehicle supernatant water tank is injected on the inwall of pipeline by high-pressure injection hydraulic giant, then cleans motor
Scrub is carried out by the hairbrush in rotating shaft drive shaft to the inwall of pipeline to remove grease, high-pressure injection hydraulic giant here can be in hairbrush
Rinsed after prewetting and scrub before scrub, will rinse and scrub combination, and improve cleaning quality；Sewage after cleaning concentrates on pipeline
Bottom, by water sucking mouth and sewage recovery tube be recycled to cleaning sullage reclaim filter in filter after be transmitted back to cleaning water tank follow
Ring is used, and the cleaning cost for reducing oil platform pipeline is relatively low, the spatial volume of cleaning water tank is reduced, so as to reduce oil platform
The volume of pipeline-cleaning car；Hairbrush set is detachably fixed clamping by the neck in buckle and hairbrush mounting bracket, hairbrush installation,
Convenient disassembly, is conveniently replaceable.
Brief description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is structural representation of the invention；
Fig. 2 cleans the structural representation of water tank for the present invention；
Fig. 3 is the structural representation of hairbrush of the present invention.
In figure：1- pipelines used for oil platform, 2- movement cleaning vehicles, 3- cleaning sullages recovery filter, 31- dirt inlets,
32- filtering outlets, 33- upper stratas quartz sand filtration layer, 34- biomass filler filter layers, 35- lower floors activated carbon filter, 36- is defeated
Water pipe, 4- cleaning water tanks, 41- servomotors, 42- agitating shafts, 43- stirrer paddles, 5- cleaning motors, 6- rotating shafts, 7- hairbrush peace
Fill support, 71- necks, 8- hairbrush, 9- hairbrush sets, 91- buckles, 10- connecting shafts, 11- high-pressure wash pipes, 12- high pressure spray jettings
Inhaled before rifle, 13- high-pressure pumps, 14- cleaning agent storage bins, 141- cleaning agents addition pump, 15- shifting rollers, 16- water sucking mouths, 161-
Water sucking mouth after the mouth of a river, 162-, 17- sewage recovery tubes；171- sewage recovery pumps.
Embodiment：
As shown in figure 1, a kind of offshore platform pipeline-cleaning filter, including pipeline used for oil platform 1 and movement are clearly
Carwash 2, the mobile cleaning vehicle 2 is located inside pipeline 1 used for oil platform, in addition to cleaning sullage reclaims filter 3, cleaning
Water tank 4, cleaning motor 5, rotating shaft 6, hairbrush 8, connecting shaft 10, shifting roller 15, water sucking mouth 16 and sewage recovery tube 17, it is described clear
Wash sewage and reclaim the inside that filter 3, cleaning water tank 4 and cleaning motor 5 are arranged on mobile cleaning vehicle 2, the cleaning sullage
Reclaim filter 3 to be arranged between cleaning water tank 4 and cleaning motor 5, the cleaning motor 5 passes through connecting shaft 10 and rotating shaft 6
Hairbrush 8 is installed with drive connection, the rotating shaft 6, the bottom of the mobile cleaning vehicle 2 is installed with shifting roller
15, the cleaning sullage reclaims filter 3 and is connected by sewage recovery tube 17 with water sucking mouth 16.
Wherein, the shifting roller 15 uses the noiseless nylon roller of high intensity.
As shown in Fig. 2 the cleaning sullage, which reclaims filter 3, includes dirt inlet 31, filtering outlet 32, upper strata quartz sand
Filter layer 33, biomass filler filter layer 34, lower floor's activated carbon filter 35 and water-supply-pipe 36, the cleaning sullage reclaim filtering
The top and bottom of device 3 are respectively equipped with dirt inlet 31 and filtering outlet 32, and the dirt inlet 31 and filtering outlet 32 are arranged on
Cleaning sullage reclaims the relative both sides of filter 3, and the inside that the cleaning sullage reclaims filter 3 is provided with upper strata quartz
Sand filter layer 33, biomass filler filter layer 34 and lower floor's activated carbon filter 35, the biomass filler filter layer 34 are installed
In upper strata quartz sand filtration layer 33 and between lower floor's activated carbon filter 35, the dirt inlet 31 connects with sewage recovery tube 17
Connect, sewage recovery pump 171 is installed in the sewage recovery tube 17, the filtering outlet 32 passes through water-supply-pipe 36 and cleaning water tank
4 connections；The cleaning water tank 4 includes servomotor 41, agitating shaft 42, stirrer paddle 43, high-pressure wash pipe 11, high pressure spray jetting
Rifle 12, high-pressure pump 13, cleaning agent storage bin 41 and cleaning agent addition pump 141, the top of the cleaning water tank 4 is provided with servo electricity
Machine 41, the servomotor 41 is connected by shaft coupling with agitating shaft 42, is installed with the agitating shaft 42 multiple
Stirrer paddle 43, the top of the cleaning water tank 4 is connected by pipeline with high-pressure wash pipe 11, and the high-pressure wash pipe 11 is remote
One end of cleaning water tank 4, which is installed with high-pressure injection hydraulic giant 12, the high-pressure wash pipe 11, is provided with high-pressure pump 13, described
Cleaning water tank 4 is connected by cleaning agent adding tube with the cleaning agent storage bin 14 at the top of cleaning water tank 4, and in cleaning agent adding tube
Cleaning agent addition pump 141 is installed.
Wherein, the muzzle of the high-pressure injection hydraulic giant 12 is set obliquely, and the water sucking mouth 16 includes the preceding He of water sucking mouth 161
Water sucking mouth 162 afterwards.
As shown in figure 3, the hairbrush 8 includes hairbrush mounting bracket 7 and hairbrush set 9, the hairbrush mounting bracket 7 is provided with
Neck 71, the hairbrush set 9 is provided with buckle 91, and the hairbrush set 9 passes through the neck 71 on buckle 91 and hairbrush mounting bracket 7
It is detachably fixed clamping.
The present invention use state be：The present invention with it is rational in infrastructure it is simple, to the cleaning cost of oil platform pipeline compared with
The hairbrush 8 of low, cleaning equipment small volume, conveniently moving, and cleaning is installed, convenient disassembly, is conveniently replaceable, here first
The rinse water in the mobile supernatant water tank 4 of cleaning vehicle 2 is passed through into high-pressure injection hydraulic giant using high-pressure wash pipe 11 and high-pressure pump 13
12 are injected on the inwall of pipeline, then clean motor 5 and the inwall of pipeline is carried out by the hairbrush 8 in the drive shaft 6 of rotating shaft 6
Scrub is removed grease, and high-pressure injection hydraulic giant 12 here is rinsed after can prewetting and scrub before the scrub of hairbrush 8, will rinse and scrub knot
Close, improve cleaning quality；Sewage after cleaning concentrates on the bottom of pipeline, is recycled to by water sucking mouth 16 and sewage recovery tube 17
Cleaning sullage reclaim filter 3 in filter after be transmitted back to cleaning water tank 4 recycle, reduce oil platform pipeline cleaning into
This is relatively low, reduces the spatial volume of cleaning water tank 4, so as to reduce the volume of oil platform pipeline-cleaning car, hairbrush set 9 passes through card
Button 91 is detachably fixed clamping with the neck 71 in hairbrush mounting bracket 7, and hairbrush 8 is installed, convenient disassembly, is conveniently replaceable.
The general principle and principal character and advantages of the present invention of the present invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of offshore platform pipeline-cleaning filter, including pipeline used for oil platform（1）With mobile cleaning vehicle
（2）, the mobile cleaning vehicle（2）It is located at pipeline used for oil platform（1）It is internal, it is characterised in that：Also include cleaning sullage to reclaim
Filter（3）, cleaning water tank（4）, cleaning motor（5）, rotating shaft（6）, hairbrush（8）, connecting shaft（10）, shifting roller（15）、
Water sucking mouth（16）And sewage recovery tube（17）, the cleaning sullage recovery filter（3）, cleaning water tank（4）With cleaning motor
（5）Installed in mobile cleaning vehicle（2）Inside, the cleaning sullage reclaims filter（3）Installed in cleaning water tank（4）With it is clear
Wash motor（5）Between, the cleaning motor（5）Pass through connecting shaft（10）With rotating shaft（6）Drive connection, the rotating shaft（6）It is upper solid
Dingan County is equipped with hairbrush（8）, the mobile cleaning vehicle（2）Bottom be installed with shifting roller（15）, the cleaning sullage time
Receive filter（3）Pass through sewage recovery tube（17）With water sucking mouth（16）Connection.
2. a kind of offshore platform pipeline-cleaning filter according to claim 1, it is characterised in that：It is described to move
Dynamic roller（15）Using the noiseless nylon roller of high intensity.
3. a kind of offshore platform pipeline-cleaning filter according to claim 1, it is characterised in that：It is described clear
Wash sewage and reclaim filter（3）Including dirt inlet（31）, filtering outlet（32）, upper strata quartz sand filtration layer（33）, biomass
Filler filter layer（34）, lower floor's activated carbon filter（35）And water-supply-pipe（36）, the cleaning sullage recovery filter（3）'s
Top and bottom are respectively equipped with dirt inlet（31）And filtering outlet（32）, the dirt inlet（31）And filtering outlet（32）It is arranged on
Cleaning sullage reclaims filter（3）Relative both sides, the cleaning sullage reclaims filter（3）Inside upper strata is installed
Quartz sand filtration layer（33）, biomass filler filter layer（34）With lower floor's activated carbon filter（35）, the biomass filler mistake
Filtering layer（34）Installed in upper strata quartz sand filtration layer（33）With with lower floor's activated carbon filter（35）Between, the dirt inlet（31）
With sewage recovery tube（17）Connection, the sewage recovery tube（17）On sewage recovery pump is installed（171）, the filtering outlet
（32）Pass through water-supply-pipe（36）With cleaning water tank（4）Connection.
4. a kind of offshore platform pipeline-cleaning filter according to claim 1, it is characterised in that：It is described clear
Water tank（4）Including servomotor（41）, agitating shaft（42）, stirrer paddle（43）, high-pressure wash pipe（11）, high-pressure injection hydraulic giant
（12）, high-pressure pump（13）, cleaning agent storage bin（14）Pump is added with cleaning agent（141）, the cleaning water tank（4）Top install
There is servomotor（41）, the servomotor（41）Pass through shaft coupling and agitating shaft（42）Drive connection, the agitating shaft（42）
On be installed with multiple stirrer paddles（43）, the cleaning water tank（4）Top pass through pipeline and high-pressure wash pipe（11）Even
Connect, the high-pressure wash pipe（11）Away from cleaning water tank（4）One end be installed with high-pressure injection hydraulic giant（12）, the high pressure
Cleaning pipe（11）On high-pressure pump is installed（13）, the cleaning water tank（4）Pass through cleaning agent adding tube and cleaning water tank（4）Top
Cleaning agent storage bin（14）Connection, and cleaning agent addition pump is installed in cleaning agent adding tube（141）.
5. a kind of offshore platform pipeline-cleaning filter according to claim 4, it is characterised in that：The height
Pressure injection hydraulic giant（12）Muzzle set obliquely.
6. a kind of offshore platform pipeline-cleaning filter according to claim 1, it is characterised in that：It is described to inhale
The mouth of a river（16）Including preceding water sucking mouth（161）With rear water sucking mouth（162）.
7. a kind of offshore platform pipeline-cleaning filter according to claim 2, it is characterised in that：The hair
Brush（8）Including hairbrush mounting bracket（7）With hairbrush set（9）, the hairbrush mounting bracket（7）It is provided with neck（71）, the hair
Brush set（9）It is provided with buckle（91）, the hairbrush set（9）Pass through buckle（91）With hairbrush mounting bracket（7）On neck（71）
It is detachably fixed clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666670.0A CN107282559B (en) | 2017-08-07 | 2017-08-07 | Pipeline cleaning and filtering device for offshore oil platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666670.0A CN107282559B (en) | 2017-08-07 | 2017-08-07 | Pipeline cleaning and filtering device for offshore oil platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107282559A true CN107282559A (en) | 2017-10-24 |
| CN107282559B CN107282559B (en) | 2023-02-03 |
Family
ID=60104601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666670.0A Active CN107282559B (en) | 2017-08-07 | 2017-08-07 | Pipeline cleaning and filtering device for offshore oil platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107282559B (en) |
Cited By (6)
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| CN107616757A (en) * | 2017-10-30 | 2018-01-23 | 刘日房 | A kind of cleaning device in curtain wall of glass for high building glass outer face |
| CN108941080A (en) * | 2018-07-30 | 2018-12-07 | 广东宏穗晶科技服务有限公司 | One kind being used for the clean robot of urban sewage inner wall of the pipe |
| CN109701973A (en) * | 2018-12-07 | 2019-05-03 | 中国航天空气动力技术研究院 | It is telescopic from scavenging machine of creeping in a kind of wind-tunnel pipeline |
| CN111672841A (en) * | 2020-06-17 | 2020-09-18 | 周尚生 | Inside dregs cleaning device of concrete pipe |
| CN112845422A (en) * | 2020-12-17 | 2021-05-28 | 安徽维嵩生产力促进有限公司 | Intelligent cleaning mechanism for spirally cleaning gas transmission pipeline |
| CN115672898A (en) * | 2022-12-30 | 2023-02-03 | 山东天弘化学有限公司 | Intelligent cleaning device and cleaning method for petrochemical engineering pipeline |
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| CN109701973A (en) * | 2018-12-07 | 2019-05-03 | 中国航天空气动力技术研究院 | It is telescopic from scavenging machine of creeping in a kind of wind-tunnel pipeline |
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| CN111672841A (en) * | 2020-06-17 | 2020-09-18 | 周尚生 | Inside dregs cleaning device of concrete pipe |
| CN111672841B (en) * | 2020-06-17 | 2021-10-01 | 王若宇 | Inside dregs cleaning device of concrete pipe |
| CN112845422A (en) * | 2020-12-17 | 2021-05-28 | 安徽维嵩生产力促进有限公司 | Intelligent cleaning mechanism for spirally cleaning gas transmission pipeline |
| CN115672898A (en) * | 2022-12-30 | 2023-02-03 | 山东天弘化学有限公司 | Intelligent cleaning device and cleaning method for petrochemical engineering pipeline |
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| CN107282559B (en) | 2023-02-03 |
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