CN108212965A - A kind of mechanical petroleum pipeline inner wall impurity cleaning device - Google Patents
A kind of mechanical petroleum pipeline inner wall impurity cleaning device Download PDFInfo
- Publication number
- CN108212965A CN108212965A CN201711477331.4A CN201711477331A CN108212965A CN 108212965 A CN108212965 A CN 108212965A CN 201711477331 A CN201711477331 A CN 201711477331A CN 108212965 A CN108212965 A CN 108212965A
- Authority
- CN
- China
- Prior art keywords
- screw
- shaft
- connecting rod
- cleaning device
- block
- 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.)
- Withdrawn
Links
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
- B08B9/043—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
- B08B9/0436—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 provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
-
- 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
- B08B9/045—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 being rotated while moved, e.g. flexible rotating shaft or "snake"
-
- 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
Abstract
The invention discloses a kind of mechanical petroleum pipeline inner wall impurity cleaning devices, including rack platen, detent mechanism, drive tooth case and servo motor, screw one is installed by multiple screw rodb bases in the rack platen, the screw one is driven by servo motor and rotated, the feed screw nut one of formed screw pair gear transmission is installed on screw one, driving tooth case is installed on the feed screw nut one, motor is installed in driving tooth case, the output terminal of motor is connected with shaft, the outer cover of shaft is equipped with screw two, and it is realized and rotated synchronously by synchronization blocks between shaft and screw two, the beneficial effects of the invention are as follows：Feed screw nut two pushes two connecting rod blocks close to each other, this allows for multiple cutting blades and is flared out under the action of connecting rod relative to shaft, cutting tooth is contacted with the inner wall of oil pipeline, and then realization is to the efficient process of wax deposition, the oil pipeline of different tube diameters can be adapted to automatically, easy to operate, cleaning efficiency is high.
Description
Technical field
The present invention relates to petroleum technology field, specifically a kind of mechanical petroleum pipeline inner wall impurity cleaning device.
Background technology
Oil, also referred to as crude oil are a kind of sticky, dark brown (sometimes a little green) liquid.Oil is mainly used as
Fuel oil and gasoline, one of fuel oil and the current primary energy most important in the world of gasoline composition.Oil is also many chemical works
The raw material of industry product such as solvent, chemical fertilizer, insecticide and plastics etc..
Oil is during transport, since oil is in Bottomhole pressure, gradually deposits certain thickness stone in inner wall of the pipe
Wax, colloid, the mixture for coagulating oil, sand and other impurity, are referred to as wax deposition.Paraffin long-term accumulated on the inner wall of petroleum pipeline,
The conveying capacity of petroleum pipeline has been influenced, when cleaning paraffin using worker, the labor intensity of cost is big, and efficiency is low, and
The petroleum pipeline inner wall of long-time service can be uneven, and difficulty is increased to cleaner.
Invention content
The purpose of the present invention is to provide a kind of mechanical petroleum pipeline inner wall impurity cleaning device, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical solution：
A kind of mechanical petroleum pipeline inner wall impurity cleaning device, including rack platen, detent mechanism, driving tooth case and servo electricity
Machine is equipped with screw one in the rack platen by multiple screw rodb bases, and the screw one is driven by servo motor and rotated, screw
The feed screw nut 1 of formed screw pair gear transmission on one is installed, driving tooth case is installed on the feed screw nut one,
Motor is installed, the output terminal of motor is connected with shaft, and the outer cover of shaft is equipped with screw two, and shaft and silk in driving tooth case
It is realized and rotated synchronously by synchronization blocks between bar two, the outside of screw two is equipped with the feed screw nut of formed screw pair gear transmission
Two, the outer cover of the shaft is set there are two connecting rod block, and one of connecting rod block is fixed in shaft, another connecting rod gear
Block is slidably matched with shaft, the travel position of feed screw nut two with and the connecting rod block that is slidably matched of shaft interfere, it is each described in
It is respectively articulated on connecting rod block and left connecting rod and right connecting rod is installed, the end of left connecting rod and right connecting rod is hingedly mounted on cutting blade
On, the free end position of shaft is fixed with end cap, and the extension of end cap is connected with the end of cutting blade with synchronising (connecting) rod, cutting blade
Surface be equipped with multiple cutting tooths, detent mechanism be mounted on rack platen on, for being positioned to oil pipeline, the servo
Motor and motor are electrically connected with power supply and control switch.
As further embodiment of the present invention：The cutting blade is evenly distributed on the excircle of shaft, and is each cut
Gap is respectively provided between chipping.
As further scheme of the invention：The screw one, screw two are parallel with the axis direction of oil pipeline.
As further scheme of the invention：The detent mechanism is vee-block, and vee-block passes through height adjusting cushion block
In rack platen.
As further scheme of the invention：The inside of the vee-block is equipped with anti-skidding teeth.
As further scheme of the invention：Water pipeline is also equipped in the rack platen, is pacified on water pipeline
Equipped with control valve, water pipeline is connect with external water supply mechanism.
As further scheme of the invention：The rack platen is supported by supporting rack, the bottom peace of supporting rack
Equipped with idler wheel.
Compared with prior art, the beneficial effects of the invention are as follows：Feed screw nut two pushes two connecting rod blocks close to each other,
This allows for multiple cutting blades and is flared out under the action of connecting rod relative to shaft, and the inner wall of cutting tooth and oil pipeline connects
It touches, and then realizes the efficient process to wax deposition, the oil pipeline of different tube diameters, easy to operate, cleaning efficiency can be adapted to automatically
It is high.
Description of the drawings
Fig. 1 is a kind of structure diagram of mechanical petroleum pipeline inner wall impurity cleaning device.
Fig. 2 is a kind of structure diagram of detent mechanism in mechanical petroleum pipeline inner wall impurity cleaning device.
In figure：1- rack platens, 2- screw rodb bases, 3- screws one, 4- feed screw nut one, 5- detent mechanisms, 6- motors, 7- drive
Dynamic tooth case, 8- shafts, 9- screws two, 10- feed screw nut two, 11- connecting rods block, 12- right connecting rods, 13- cutting blades, 14- oil transportations
Pipeline, 15- cutting tooths, 16- end caps, 17- synchronization blocks, 18- left connecting rods, 19- synchronising (connecting) rods, 20- servo motors.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of mechanical petroleum pipeline inner wall impurity cleaning device, including machine
Pallet plate 1, detent mechanism 5 drive tooth case 7 and servo motor 20, are equipped in the rack platen 1 by multiple screw rodb bases 2
Screw 1, the screw 1 drive rotation by servo motor 20, the silk of formed screw pair gear transmission are equipped on screw 1
Stem nut 1 is installed with driving tooth case 7 on the feed screw nut 1, motor 6 is equipped in driving tooth case 7, motor 6
Output terminal is connected with shaft 8, and the outer cover of shaft 8 is equipped with screw 29, and real by synchronization blocks 17 between shaft 8 and screw 29
Now rotate synchronously, the outside of screw 29 is equipped with the feed screw nut 2 10 of formed screw pair gear transmission, the shaft 8 it is outer
Portion is arranged there are two connecting rod block 11, and one of connecting rod block 11 is fixed in shaft 8, another connecting rod block 11 and shaft
8 are slidably matched, the travel position of feed screw nut 2 10 with and the connecting rod block 11 that is slidably matched of shaft 8 interfere, each company
It is respectively articulated on pole spacing block 11 and left connecting rod 10 and right connecting rod 12 is installed, the end of left connecting rod 10 and right connecting rod 12 is hingedly installed
On cutting blade 13, the free end position of shaft 8 is fixed with end cap 16, and the extension of end cap 16 and the end of cutting blade 13 are with same
Step connecting rod 19 connects, and the surface of cutting blade 13 is equipped with multiple cutting tooths 15, and detent mechanism 5 is mounted in rack platen 1, for pair
Oil pipeline 14 is positioned, and during work, oil pipeline 14 is fixed on the positioning by detent mechanism 5 first, and is ensured defeated
Oil-piping 14 and shaft 8 are coaxial, start servo motor 20 later, and servo motor 20 drives screw 1 to be rotated, passes through spiral
Secondary gearing, feed screw nut 1 drive driving tooth case 7 and cutting blade 13 to enter in oil pipeline 14, restart later
Motor 6, shaft 8 start to rotate, and screw 29 rotates synchronously at this time so that feed screw nut 2 10 pushes two 11 phases of connecting rod block
Mutually close, this allows for multiple cutting blades 13 and is flared out relative to shaft 8, and cutting tooth 15 and the inner wall of oil pipeline 14 connect
It touches, does not continue to move after feed screw nut 2 10 moves to maximum travel position, and keep the state until terminating, shaft
During 8 rotation, cutting blade 13 and cutting tooth 15 is driven to be relatively rotated relative to oil pipeline 14 so that be attached in oil pipeline 14
Wax deposition on wall is cleaned, while tooth case 7 is driven to be transported by the driving of feed screw nut 1 along the axial direction of oil pipeline 14
It is dynamic, until completely being cleared up oil pipeline 14, after cleaning is completed so that motor 6 inverts, and multiple cutting blades 13 are opposite
In shaft 8 to contract, invert servo motor 20 again later, under the driving of feed screw nut 1, drive tooth case 7 and cutting blade
13 can easily exit oil pipeline 14, and the servo motor 20 and motor 6 are electrically connected with power supply and control switch.
The cutting blade 13 is evenly distributed on the excircle of shaft 8, and is respectively provided with gap between each cutting blade 13.
The screw 1, screw 29 are parallel with the axis direction of oil pipeline 14.
The detent mechanism 5 is vee-block, and vee-block is mounted on by height adjusting cushion block in rack platen 1, can be adjusted
The height of detent mechanism 5 can carry out scarfing cinder to the oil pipeline 14 of different tube diameters.
The inside of the vee-block is equipped with anti-skidding teeth.
Water pipeline is also equipped in the rack platen 1, control valve is installed on water pipeline, water pipeline with it is outer
Portion's water supply mechanism connection, for rinsing the impurity in oil pipeline 14 well after mechanical scarfing cinder completion.
The rack platen 1 is supported by supporting rack, and the bottom of supporting rack is equipped with idler wheel, convenient for the shifting of integrated model
It is dynamic.
The present invention operation principle be：During work, oil pipeline 14 is fixed on the positioning by detent mechanism 5 first,
And ensure that oil pipeline 14 and shaft 8 are coaxial, and starting servo motor 20 later, servo motor 20 drives screw 1 to be rotated,
By the gearing of screw pair, feed screw nut 1 drives driving tooth case 7 and cutting blade 13 to enter in oil pipeline 14, it
After restart motor 6, shaft 8 starts to rotate, at this time screw 29 rotate synchronously so that feed screw nut 2 10 push two connecting rods
Block 11 is close to each other, this allows for multiple cutting blades 13 and is flared out relative to shaft 8, cutting tooth 15 and oil pipeline 14
Inner wall contacts, and does not continue to move after feed screw nut 2 10 moves to maximum travel position, and keeps the state until knot
Beam when shaft 8 rotates, drives cutting blade 13 and cutting tooth 15 to be relatively rotated relative to oil pipeline 14 so as to be attached to oil transportation
Wax deposition on 14 inner wall of pipeline is cleaned, while drives driving of the tooth case 7 by feed screw nut 1 along oil pipeline 14
Axial movement, until completely cleared up oil pipeline 14, after cleaning is completed so that motor 6 inverts, multiple cuttings
Piece 13, to contract, inverts servo motor 20, under the driving of feed screw nut 1, drives tooth case 7 again later relative to shaft 8
Oil pipeline 14 can be easily exited with cutting blade 13.
It should be strongly noted that motor, screw and feed screw nut are the application of the prior art in the application, and cut
The arrangement of piece and the innovative point that opening mode is the application, effectively can effectively clear up the wax deposition on petroleum pipeline.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of mechanical petroleum pipeline inner wall impurity cleaning device, including rack platen（1）, detent mechanism（5）, driving tooth case
（7）And servo motor（20）, the rack platen（1）It is upper to pass through multiple screw rodb bases（2）Screw one is installed（3）, the screw
One（3）By servo motor（20）Driving rotation, screw one（3）On the feed screw nut one of formed screw pair gear transmission is installed
（4）, the feed screw nut one（4）On be installed with driving tooth case（7）, which is characterized in that driving tooth case（7）Electricity is inside installed
Machine（6）, motor（6）Output terminal be connected with shaft（8）, shaft（8）Outer cover be equipped with screw two（9）, and shaft（8）With silk
Bar two（9）Between pass through synchronization blocks（17）It realizes and rotates synchronously, screw two（9）Outside formed screw pair gear transmission is installed
Feed screw nut two（10）, the shaft（8）Outer cover set there are two connecting rod block（11）, one of connecting rod block（11）
It is fixed on shaft（8）On, another connecting rod block（11）With shaft（8）It is slidably matched, feed screw nut two（10）Travel position
With and shaft（8）The connecting rod block being slidably matched（11）Interference, each connecting rod block（11）On be respectively articulated with a left side be installed
Connecting rod（10）And right connecting rod（12）, left connecting rod（10）And right connecting rod（12）End be hingedly mounted on cutting blade（13）On, turn
Axis（8）Free end position be fixed with end cap（16）, end cap（16）Extension and cutting blade（13）End with synchronising (connecting) rod
（19）Connection, cutting blade（13）Surface be equipped with multiple cutting tooths（15）, detent mechanism（5）Mounted on rack platen（1）On, it uses
In to oil pipeline（14）It is positioned, the servo motor（20）And motor（6）It is electrically connected with power supply and control switch.
2. a kind of mechanical petroleum pipeline inner wall impurity cleaning device according to claim 1, which is characterized in that described to cut
It chips（13）It is evenly distributed in shaft（8）Excircle on, and each cutting blade（13）Between be respectively provided with gap.
A kind of 3. mechanical petroleum pipeline inner wall impurity cleaning device according to claim 1, which is characterized in that the silk
Bar one（3）, screw two（9）And oil pipeline（14）Axis direction it is parallel.
4. a kind of mechanical petroleum pipeline inner wall impurity cleaning device according to claim 1, which is characterized in that described fixed
Position mechanism（5）For vee-block, and vee-block is mounted on rack platen by height adjusting cushion block（1）On.
A kind of 5. mechanical petroleum pipeline inner wall impurity cleaning device according to claim 4, which is characterized in that the V
The inside of shape block is equipped with anti-skidding teeth.
A kind of 6. mechanical petroleum pipeline inner wall impurity cleaning device according to claim 1, which is characterized in that the machine
Pallet plate（1）On be also equipped with water pipeline, control valve is installed, water pipeline connects with external water supply mechanism on water pipeline
It connects.
A kind of 7. mechanical petroleum pipeline inner wall impurity cleaning device according to claim 1, which is characterized in that the machine
Pallet plate（1）It is supported by supporting rack, the bottom of supporting rack is equipped with idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477331.4A CN108212965A (en) | 2017-12-29 | 2017-12-29 | A kind of mechanical petroleum pipeline inner wall impurity cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477331.4A CN108212965A (en) | 2017-12-29 | 2017-12-29 | A kind of mechanical petroleum pipeline inner wall impurity cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108212965A true CN108212965A (en) | 2018-06-29 |
Family
ID=62646926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477331.4A Withdrawn CN108212965A (en) | 2017-12-29 | 2017-12-29 | A kind of mechanical petroleum pipeline inner wall impurity cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108212965A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465255A (en) * | 2018-10-23 | 2019-03-15 | 高小龙 | A kind of dredger of dredging gas hydrates blocking natural gas runner |
| CN111515198A (en) * | 2020-07-05 | 2020-08-11 | 东营同博石油电子仪器有限公司 | Wax and scale removing machine for ground oil pipe |
| CN111618050A (en) * | 2020-06-05 | 2020-09-04 | 山西省工业设备安装集团有限公司 | Speed regulation and lubricating oil pipeline oil circulation washing device |
| CN109550751B (en) * | 2018-11-14 | 2020-11-20 | 刘韬 | Petroleum pipeline greasy dirt cleaning device |
| CN112648856A (en) * | 2020-12-25 | 2021-04-13 | 常州中钢精密锻材有限公司 | Full-automatic furnace descaling machine |
| CN113198808A (en) * | 2021-04-27 | 2021-08-03 | 西安开顿国际工程有限公司 | Embedded pipe cleaning device and using method thereof |
| CN114289416A (en) * | 2021-12-31 | 2022-04-08 | 安徽九州云箭航天技术有限公司 | Pipeline inner wall cleaning device |
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| GB1501971A (en) * | 1975-01-20 | 1978-02-22 | Ross Lar | Method and apparatus for cleaning the inside of long cylindrical chambers |
| DE3427371A1 (en) * | 1984-07-25 | 1986-02-06 | Klaus Dieter 6456 Langenselbold Wendler | Process and device for cleaning straight domestic sewer pipes of approximately 100-150 mm diameter, in particular with penetrated roots and residues of sealing compositions |
| CN203526161U (en) * | 2013-10-11 | 2014-04-09 | 桐昆集团浙江恒腾差别化纤维有限公司 | Straight pipeline cleaning machine |
| CN203695539U (en) * | 2013-12-24 | 2014-07-09 | 施朱峰 | Cleaner for inner and outer walls of pipeline |
| CN104814599A (en) * | 2015-03-25 | 2015-08-05 | 沈阳化工大学 | Multifunctional cleaning brush capable of changing diameter |
| CN205032446U (en) * | 2015-08-20 | 2016-02-17 | 武汉科技大学 | Petroleum pipeline cleaning device |
| CN106984603A (en) * | 2017-03-07 | 2017-07-28 | 淮阴工学院 | Washer is scraped in inner-walls of duct punching |
| CN107262466A (en) * | 2017-07-18 | 2017-10-20 | 张然忠 | A kind of petroleum pipeline cleaning device |
| CN206632075U (en) * | 2017-02-28 | 2017-11-14 | 重庆交通大学 | Self-adapting pipe dredging device |
-
2017
- 2017-12-29 CN CN201711477331.4A patent/CN108212965A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501971A (en) * | 1975-01-20 | 1978-02-22 | Ross Lar | Method and apparatus for cleaning the inside of long cylindrical chambers |
| DE3427371A1 (en) * | 1984-07-25 | 1986-02-06 | Klaus Dieter 6456 Langenselbold Wendler | Process and device for cleaning straight domestic sewer pipes of approximately 100-150 mm diameter, in particular with penetrated roots and residues of sealing compositions |
| CN203526161U (en) * | 2013-10-11 | 2014-04-09 | 桐昆集团浙江恒腾差别化纤维有限公司 | Straight pipeline cleaning machine |
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| CN104814599A (en) * | 2015-03-25 | 2015-08-05 | 沈阳化工大学 | Multifunctional cleaning brush capable of changing diameter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465255A (en) * | 2018-10-23 | 2019-03-15 | 高小龙 | A kind of dredger of dredging gas hydrates blocking natural gas runner |
| CN109550751B (en) * | 2018-11-14 | 2020-11-20 | 刘韬 | Petroleum pipeline greasy dirt cleaning device |
| CN111618050A (en) * | 2020-06-05 | 2020-09-04 | 山西省工业设备安装集团有限公司 | Speed regulation and lubricating oil pipeline oil circulation washing device |
| CN111618050B (en) * | 2020-06-05 | 2023-12-29 | 山西省安装集团股份有限公司 | Oil circulation flushing device for speed-regulating and lubricating oil pipeline |
| CN111515198A (en) * | 2020-07-05 | 2020-08-11 | 东营同博石油电子仪器有限公司 | Wax and scale removing machine for ground oil pipe |
| CN111515198B (en) * | 2020-07-05 | 2020-09-15 | 东营同博石油电子仪器有限公司 | Wax and scale removing machine for ground oil pipe |
| CN112648856A (en) * | 2020-12-25 | 2021-04-13 | 常州中钢精密锻材有限公司 | Full-automatic furnace descaling machine |
| CN113198808A (en) * | 2021-04-27 | 2021-08-03 | 西安开顿国际工程有限公司 | Embedded pipe cleaning device and using method thereof |
| CN113198808B (en) * | 2021-04-27 | 2023-10-27 | 西安开顿国际工程有限公司 | Pre-buried pipe cleaning device and application method thereof |
| CN114289416A (en) * | 2021-12-31 | 2022-04-08 | 安徽九州云箭航天技术有限公司 | Pipeline inner wall cleaning device |
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| PB01 | Publication | ||
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Application publication date: 20180629 |