CN106607411A - Cleaning device for inner wall of petroleum pipeline - Google Patents
Cleaning device for inner wall of petroleum pipeline Download PDFInfo
- Publication number
- CN106607411A CN106607411A CN201611110154.1A CN201611110154A CN106607411A CN 106607411 A CN106607411 A CN 106607411A CN 201611110154 A CN201611110154 A CN 201611110154A CN 106607411 A CN106607411 A CN 106607411A
- Authority
- CN
- China
- Prior art keywords
- terminal pad
- rotating shaft
- cleaning
- connecting rod
- cleaning device
- 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- Withdrawn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
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 239000003208 petroleum Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 235000002505 Centaurea nigra Nutrition 0.000 description 1
- 240000003323 Centaurea nigra Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
-
- 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
-
- 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
- B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a cleaning device for the inner wall of a petroleum pipeline. The cleaning device comprises a base, a motor, an upright post, a rotating shaft and a cleaning unit, wherein the cleaning unit comprises connecting discs and connecting rods; the connecting discs are arranged on the rotating shaft in a sleeving manner; the connecting rods are radially connected with external circumferences of the connecting discs, and are uniformly distributed along the external circumferences of the connecting discs; brush fur is arranged at the end parts of the connecting rods; a washing liquid tank and a pressure pump are arranged on the base; nozzles are arranged at the end parts of guide rods; the washing liquid tank is connected with the pressure pump; and the pressure pump is connected with the nozzles through a water pipe. According to the cleaning device, cleaning brushes mounted on the cleaning unit cooperate with a high-pressure cleaning liquid to achieve a better cleaning effect.
Description
Technical field
The present invention relates to Petro-Chemical Machinery technical field, more particularly to a kind of petroleum pipeline cleaner for inner wall.
Background technology
The pipeline of life-time service, greasy filth, the rust deposite solidification in pipe cause former caliber to diminish；Silt deposit in pipe produces sulfuration
Hydrogen causes environmental pollution and easily causes to fire；Acid, alkaloid substance in waste water easily produces corrosion to duct wall；In pipeline
Foreign body is irregularly removed and can cause line clogging；Pipeline cleaning is dirty to inner surface of pipeline using chemical method or physical method
Dirt is purged, and reaches cleaning purpose, it is ensured that inner surface of pipeline recovers the process of original Facing material.Existing petroleum pipeline is clear
The radius of the cleaning device of clean device is fixed, it is impossible to be adjusted according to the pipeline of different inner diameters, while cleaning brush is single, cleaning effect
It is really poor.
The content of the invention
In order to overcome the defect of above-mentioned prior art, the invention provides a kind of petroleum pipeline cleaner for inner wall, this is clear
Cleaning brush that clean device is installed on cleaning device simultaneously coordinates high-pressure cleaning liquid to reach more preferable cleaning performance.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of petroleum pipeline cleaner for inner wall, including base, motor, column, rotating shaft and cleaning device, described column and electricity
Machine is located on base, and column is provided with bearing, and the cleaning device is arranged in rotating shaft, and rotating shaft passes through bearing and the motor
Output shaft connects, it is characterised in that：Described cleaning device includes terminal pad and connecting rod, and described terminal pad is set in rotating shaft
On, described connecting rod is radially connected with the excircle of terminal pad, and is uniformly distributed along terminal pad excircle；Described connecting rod
End be provided with bristle；Described base is provided with washing liquid tank and compression pump, and the end of guide rod is provided with nozzle, washing liquid tank and pressure
Pump connects, and compression pump is connected with nozzle by water pipe.
The outside of described rotating shaft is axially arranged with the locating surface of positioning along which, and described terminal pad is provided with and locating surface phase
The plane matched somebody with somebody, described terminal pad are chimeric by locating surface with rotating shaft, and are fixed by screw.
The bottom of described base is provided with roller.
Described terminal pad at least two, the connecting rod that the excircle of described terminal pad is radially connected is 4-8, and
Even distribution.
The present invention has advantages below：
1st, cleaning device of the invention includes terminal pad and connecting rod, and described terminal pad is set in rotating shaft, described connection
Bar is radially connected with the excircle of terminal pad, and is uniformly distributed along terminal pad excircle；The end of described connecting rod is alternate
It is provided with bristle and wire brush；Described base is provided with washing liquid tank, and the end of connecting rod is provided with nozzle, and washing liquid tank passes through compression pump
Be connected with water pipe with nozzle, the end of connecting rod is provided with bristle, mainly for petroleum pipeline inwall greasy filth pollute it is relatively light or other
Caducous debris, are cleared away using bristle, have both protected petroleum pipeline inwall not cause behaviour because of the brush of hard
Make, can also improve the cleaning performance of pipeline, and with high pressing cleanout fluid, further increase the cleaning performance of pipeline, while
As cleaning device is by the external connecting rod of terminal pad, space is formed between each connecting rod, help the solid fallen by wire brush brush
Debris come off, and are not deposited on the cleaning brush of cleaning device.
2nd, the outside of rotating shaft of the invention is axially arranged with the locating surface of positioning along which, and described terminal pad is provided with and positioning
The plane that face matches, described terminal pad are chimeric by locating surface with rotating shaft, and are fixed by screw, can preferably by cleaning dress
Put and fix with rotating shaft, prevent cleaning device from rotating around the axis, affect cleaning progress.
3rd, the bottom of base of the invention is provided with roller, and whole pipe-line cleaner can be entered in pipeline, favorably by roller
In cleaning to longer pipeline.
4th, terminal pad at least two of the invention, the fixed plate that the excircle of described terminal pad is radially connected is 4-8,
And be uniformly distributed.Terminal pad at least two is, in cleaning, to can be repeated several times cleaning in the axial direction of petroleum pipeline, and connecting rod
Scrubbed on the medial wall of petroleum pipeline repeatedly for 4-8, further to strengthen cleaning performance.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 illustrates intention to implementing 1 for the A-A of Fig. 1, and the end of guide rod only arranges the structural representation of bristle；
Fig. 3 illustrates intention to implementing 2 for the A-A of Fig. 1, and the end of guide rod is arranged alternately the structural representation of bristle and wire brush；
Labelling in figure：1st, base, 2, motor, 3, roller, 4, column, 5, rotating shaft, 6, bearing, 7, terminal pad, 8, screw, 9, brush
Hair, 10, wire brush, 11, locating surface, 12, connecting rod, 13, fixed plate, 14, guide rod, 15, long mouth groove, 16, bolt, 17, water pipe,
18th, nozzle, 19, washing liquid tank, 20, compression pump.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings：
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of petroleum pipeline cleaner for inner wall, including base 1, motor 2, column 4, rotating shaft 5 and cleaning
Device, described column 4 are located on base 1 with motor 2, and column is provided with circular hole, and bearing 6, the cleaning dress are provided with circular hole
Put in rotating shaft 5, rotating shaft 5 passes through（Or claim through）Bearing 6 is connected with the output shaft of the motor 2, the cleaning of the present invention
Device includes terminal pad 7 and connecting rod 12, and described terminal pad 7 is enclosed within rotating shaft 5, and is fixed with rotating shaft 5, and terminal pad 7 is at least
For two, uniformly it is set in rotating shaft 5, described connecting rod 12 is radially connected with the excircle of terminal pad（As shown in Figure 2）,
And be uniformly distributed along 7 excircle of terminal pad（Because connecting rod 12 is multiple, usually 4-8）；The end of described connecting rod 12
Portion is provided with bristle 9, pollutes compared with light or other caducous debris for petroleum pipeline inwall greasy filth, is cleared away i.e. using bristle
Can, both protected petroleum pipeline inwall operation will not be caused because of the brush of hard, the greasy dirt and impurity of petroleum pipeline inwall had been entered
Row is effectively removed.
In order that the cleaning performance of greasy dirt is more preferably, washing liquid tank 19 is provided with described base 1, the end of connecting rod 12 sets
There is nozzle 18, washing liquid tank 19 is connected with water pipe 17 with nozzle 18 by compression pump 20.For petroleum pipeline inwall greasy filth pollute compared with
Light or other caducous debris, are cleared away using bristle, have both protected the petroleum pipeline inwall will not be because of the brush of hard
Head causes operation, can also improve the cleaning performance of pipeline, and matching purge liquid, further increase the cleaning performance of pipeline.
Further, the outside of described rotating shaft 5 is axially arranged with the locating surface 11 of positioning along which, is exactly turning in cylinder
Axle 5 cuts a plane vertically, and described terminal pad 7 is provided with the plane matched with locating surface 11, described terminal pad 7 with turn
Axle 5 is chimeric by locating surface, and is fixed by screw 8, further prevents from relatively rotating between cleaning device and rotating shaft, shadow
Ring cleaning performance.
Further, in order to clean to longer pipeline, the bottom of described base is provided with roller 3, whole to clean
Device in cleaning process by cable managed in cleaned.
Embodiment 2
As shown in figures 1 and 3, a kind of petroleum pipeline cleaner for inner wall, including base 1, motor 2, column 4, rotating shaft 5 and cleaning
Device, described column 4 are located on base 1 with motor 2, and column is provided with circular hole, and bearing 6, the cleaning dress are provided with circular hole
Put in rotating shaft 5, rotating shaft 5 passes through（Or claim through）Bearing 6 is connected with the output shaft of the motor 2, the cleaning of the present invention
Device includes terminal pad 7 and connecting rod 12, and described terminal pad 7 is enclosed within rotating shaft 5, and is fixed with rotating shaft 5, and terminal pad 7 is at least
For two, uniformly it is set in rotating shaft 5, described connecting rod 12 includes fixed plate 13 and guide rod 14, fixed plate 13 is plate-like,
The fixed plate 13 is radially connected with the excircle of terminal pad（As shown in Figure 3）, and be uniformly distributed along 7 excircle of terminal pad（Cause
It is multiple for fixed plate, usually 4-8 is individual）,；Described fixed plate 13 is equipped with long mouth groove 15 with guide rod 14（Fixed plate 13 with
Guide rod 14 is detached）, the long mouth groove 15 of fixed plate 13 and guide rod 14 fixed with merga pass bolt 16, by long mouth groove 15 it
Between regulation, you can adjust the length of connecting rod 12, to adapt to the petroleum pipeline of different tube diameters, the end of described guide rod 14 is handed over
That what is replaced is provided with bristle 9 and wire brush 10, i.e., arrange bristle 9 in the end of a guide rod 14, and the end of its adjacent guide rod 14 is then
Wire brush 10 is set, is effectively removed with meeting the greasy dirt to petroleum pipeline inwall.
In order that the cleaning performance of greasy dirt is more preferably, washing liquid tank 19 is provided with described base 1, the end of guide rod 14 is provided with
Nozzle 18, washing liquid tank 19 are connected with water pipe 17 by swivel joint, and water pipe 17 is connected with nozzle 18.
Compression pump 20 is additionally provided between washing liquid tank 19 and water pipe 17, washing liquid tank 19 is connected with compression pump 20, compression pump 20
It is connected with water pipe 17 by swivel joint, water pipe 17 is connected with nozzle 18.Pollute for greasy filth and acid, alkali thing corrode more tight
Weight pipeline is effectively cleaned, and more, especially not high to inner-walls of duct surface requirements is more applicable for the cleaning effect of wire brush,
And matching purge liquid, further increase the cleaning performance of pipeline.
Further, the outside of described rotating shaft 5 is axially arranged with the locating surface 11 of positioning along which, is exactly turning in cylinder
Axle 5 cuts a plane vertically, and described terminal pad 7 is provided with the plane matched with locating surface 11, described terminal pad 7 with turn
Axle 5 is chimeric by locating surface, and is fixed by screw 8, further prevents from relatively rotating between cleaning device and rotating shaft, shadow
Ring cleaning performance.
Further, in order to clean to longer pipeline, the bottom of described base is provided with roller 3, whole to clean
Device in cleaning process by cable managed in cleaned.
Claims (4)
1. a kind of petroleum pipeline cleaner for inner wall, including base (1), motor (2), column (4), rotating shaft (5) and cleaning device,
Described column (4) is located on base (1) with motor (2), and column (4) is provided with bearing (6), and the cleaning device is arranged on and turns
On axle (5), rotating shaft (5) is connected with the output shaft of the motor (2) by bearing (6), it is characterised in that：Described cleaning device
Including terminal pad (7) and connecting rod (12), described terminal pad (7) is set in rotating shaft (5), described connecting rod (12) with even
The excircle of flange (7) is radially connected, and is uniformly distributed along terminal pad (7) excircle；The end of described connecting rod (12) sets
There is bristle (9)；Described base (1) is provided with washing liquid tank (19) and compression pump (20), and the end of connecting rod (12) is provided with nozzle
(18), washing liquid tank (19) is connected with compression pump (20), and compression pump (20) is connected (18) by water pipe (17) with nozzle.
2. a kind of petroleum pipeline cleaner for inner wall according to claim 1, it is characterised in that：Described rotating shaft (5)
Outside is axially arranged with the locating surface (11) of positioning along which, and described terminal pad (7) is provided with the plane matched with locating surface (11),
Described terminal pad (7) is chimeric by locating surface (11) with rotating shaft (5), and fixed by screw (8).
3. a kind of petroleum pipeline cleaner for inner wall according to claim 1, it is characterised in that：Described base (1)
Bottom is provided with roller (3).
4. a kind of petroleum pipeline cleaner for inner wall according to claim 1, it is characterised in that：Described terminal pad (7)
At least two, the connecting rod (12) that the excircle of described terminal pad (7) is radially connected is 4-8, and is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110154.1A CN106607411A (en) | 2016-12-06 | 2016-12-06 | Cleaning device for inner wall of petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110154.1A CN106607411A (en) | 2016-12-06 | 2016-12-06 | Cleaning device for inner wall of petroleum pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106607411A true CN106607411A (en) | 2017-05-03 |
Family
ID=58636477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611110154.1A Withdrawn CN106607411A (en) | 2016-12-06 | 2016-12-06 | Cleaning device for inner wall of petroleum pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106607411A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262466A (en) * | 2017-07-18 | 2017-10-20 | 张然忠 | A kind of petroleum pipeline cleaning device |
| CN107282559A (en) * | 2017-08-07 | 2017-10-24 | 鲁东大学 | A kind of offshore platform pipeline-cleaning filter |
| CN107398458A (en) * | 2017-08-15 | 2017-11-28 | 郑州联慧双创知识产权代理有限公司 | A kind of petrochemical pipe cleaning device |
| CN107418609A (en) * | 2017-06-30 | 2017-12-01 | 河南地之绿环保科技有限公司 | A kind of method for handling pyrolysis furnace inner surface |
| CN108580452A (en) * | 2018-05-18 | 2018-09-28 | 广西联壮科技股份有限公司 | Self-propelled chemical pipeline decontamination cleaning device |
| CN108746094A (en) * | 2018-05-17 | 2018-11-06 | 宁波智果科技咨询服务有限公司 | A kind of cleaning device for inner wall of pipeline |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202052739U (en) * | 2011-05-06 | 2011-11-30 | 烟台市牟平区留德润滑油销售有限公司 | Cleaning device for petrochemical pipe |
| CN102879138A (en) * | 2011-07-15 | 2013-01-16 | 海洋王照明科技股份有限公司 | Motor moment testing tool |
| CN104001701A (en) * | 2014-05-30 | 2014-08-27 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline cleaning machine |
| CN205217533U (en) * | 2015-12-07 | 2016-05-11 | 重庆能源职业学院 | Special belt cleaning device of petroleum pipeline |
| CN205597438U (en) * | 2016-04-15 | 2016-09-28 | 杭州巴洛特生物科技有限公司 | Include chemical drum cleaning brush of cleaning solution |
-
2016
- 2016-12-06 CN CN201611110154.1A patent/CN106607411A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202052739U (en) * | 2011-05-06 | 2011-11-30 | 烟台市牟平区留德润滑油销售有限公司 | Cleaning device for petrochemical pipe |
| CN102879138A (en) * | 2011-07-15 | 2013-01-16 | 海洋王照明科技股份有限公司 | Motor moment testing tool |
| CN104001701A (en) * | 2014-05-30 | 2014-08-27 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline cleaning machine |
| CN205217533U (en) * | 2015-12-07 | 2016-05-11 | 重庆能源职业学院 | Special belt cleaning device of petroleum pipeline |
| CN205597438U (en) * | 2016-04-15 | 2016-09-28 | 杭州巴洛特生物科技有限公司 | Include chemical drum cleaning brush of cleaning solution |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418609A (en) * | 2017-06-30 | 2017-12-01 | 河南地之绿环保科技有限公司 | A kind of method for handling pyrolysis furnace inner surface |
| CN107418609B (en) * | 2017-06-30 | 2019-05-03 | 河南地之绿环保科技有限公司 | A method of processing pyrolysis furnace inner surface |
| CN107262466A (en) * | 2017-07-18 | 2017-10-20 | 张然忠 | A kind of petroleum pipeline cleaning device |
| CN107282559A (en) * | 2017-08-07 | 2017-10-24 | 鲁东大学 | A kind of offshore platform pipeline-cleaning filter |
| CN107398458A (en) * | 2017-08-15 | 2017-11-28 | 郑州联慧双创知识产权代理有限公司 | A kind of petrochemical pipe cleaning device |
| CN108746094A (en) * | 2018-05-17 | 2018-11-06 | 宁波智果科技咨询服务有限公司 | A kind of cleaning device for inner wall of pipeline |
| CN108580452A (en) * | 2018-05-18 | 2018-09-28 | 广西联壮科技股份有限公司 | Self-propelled chemical pipeline decontamination cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106607411A (en) | Cleaning device for inner wall of petroleum pipeline | |
| CN106853450A (en) | A kind of petroleum pipeline inner-wall cleaner | |
| CN106475375A (en) | A kind of inner-walls of duct washer | |
| CN106623283A (en) | Petrochemical engineering pipe cleaner | |
| CN106583360A (en) | Petroleum pipeline cleaning equipment | |
| CN202052739U (en) | Cleaning device for petrochemical pipe | |
| CN207308502U (en) | One kind cleaning well site tube inner wall greasy dirt device | |
| CN106623292A (en) | Cleaning machine for petrochemical pipeline | |
| CN205570929U (en) | Pipeline high pressure cleaning system | |
| CN106607412A (en) | Petroleum pipeline cleaning device | |
| CN106623284A (en) | Pipeline cleaning device | |
| CN106938268A (en) | A kind of petroleum pipeline accessory wiper mechanism | |
| CN213103633U (en) | Diameter-variable pipeline cleaning device | |
| CN102989827B (en) | The online outer cleaning by degreasing equipment of steel pipe | |
| CN107470224A (en) | A kind of retired surface of composite insulator purging system | |
| CN106694488A (en) | Petrochemical engineering pipeline cleaning device | |
| CN106733960A (en) | One kind is used for petroleum pipeline cleaner | |
| CN111940425A (en) | Steel pipe surface cleaning device | |
| CN106733959A (en) | A kind of pipe-line cleaner | |
| CN208050516U (en) | A kind of pipe cleaning device of petroleum machinery | |
| CN106623293A (en) | Cleaning device for petroleum pipeline | |
| CN106670192A (en) | Petroleum pipeline inner wall cleaning equipment | |
| CN106670193A (en) | Cleaning equipment for petroleum pipelines | |
| CN201446112U (en) | Device for cleaning inner wall of oil recovery pipe | |
| CN106824933A (en) | A kind of cleaning device for inner wall of pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170503 |