CN115351718A - Method for cleaning attachments on inner wall of oil pipe after sand blasting - Google Patents
Method for cleaning attachments on inner wall of oil pipe after sand blasting Download PDFInfo
- Publication number
- CN115351718A CN115351718A CN202211114302.2A CN202211114302A CN115351718A CN 115351718 A CN115351718 A CN 115351718A CN 202211114302 A CN202211114302 A CN 202211114302A CN 115351718 A CN115351718 A CN 115351718A
- Authority
- CN
- China
- Prior art keywords
- sand blasting
- blowing
- pipe
- oil pipe
- head
- 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.)
- Granted
Links
- 238000005488 sandblasting Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 238000007664 blowing Methods 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
-
- 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
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a method for cleaning attachments on the inner wall of an oil pipe after sand blasting, which comprises five steps of arranging a sand blasting oil pipe, assembling a compressed air blowing head, blowing compressed air on the surface of the inner wall of the oil pipe on the front half side, lifting the sand blasting oil pipe and blowing compressed air on the surface of the inner wall of the oil pipe on the rear half side.
Description
Technical Field
The invention relates to the technical field of oil pipe wall surface treatment, in particular to a method for cleaning attachments on the inner wall of an oil pipe after sand blasting is finished.
Background
The coating oil pipe product is applied to the water injection pipe column of the water injection well in the oil field, because the water quality of the water injection of the oil field has corrosivity, the inner wall of the pipe column serving as the water injection well in the oil field is fully corroded by the flowing medium of the inner wall, if a bare pipe is adopted for water injection operation, the service life of the pipe column is greatly shortened, the inner wall protection of the water injection pipe column is generally carried out by adopting organic coating protection measures for the conventional oil field, the service life of the water injection pipe column of the water injection well can be greatly prolonged, and the exploitation cost of the oil field is reduced.
It is important to each step of the metal surface treatment of the steel substrate to achieve the required degree of cleanliness of the treated steel substrate. Even if the anticorrosive paint with excellent performance is used, if the pretreatment process and the cleaning degree of the metal surface do not meet the technical requirements, the comprehensive performance of the formed coating can not meet the technical indexes of the paint, namely three-part coating and seven-part construction, particularly the pretreatment process, and can meet the related technical requirements in the treatment implementation process.
The inner surface sand blasting process of the oil pipe in the sand blasting chamber is carried out, after the process is finished, the sand blasting chamber door is opened, the oil pipe rolls out of the sand blasting chamber one by one and is placed on the pipe frame, a certain amount of dust, oxide skin and other attachments can be attached to the surface which meets the technical requirements after sand blasting on the inner wall of the oil pipe is finished, if the surface is blown by compressed air generally at the pipe opening, the technical requirements cannot be met, if the surface is cleaned by clean light-color big cloth, visible wiping dust can be attached to the surface, if the coating flows to the coating of the next process, the coating can cover the dust, the oxide skin and other attachments on the metal surface between the metal surface and the coating, the bonding strength of the coating and the metal substrate can be influenced, and the poor influence can be generated on the comprehensive performance of the coating.
Disclosure of Invention
The invention aims to provide a method for cleaning attachments on the inner wall of an oil pipe after sand blasting is finished, and the method is used for solving the problem that the bonding strength of a coating and a metal substrate is influenced because the inner wall of a sand blasting oil pipe cannot be effectively swept by the conventional process in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the method for cleaning attachments on the inner wall of the oil pipe after sand blasting is finished comprises the following steps,
s1: placing the sand blasting oil pipes, opening the sand blasting chamber door after the sand blasting treatment process of the inner surfaces of the oil pipes in the sand blasting chamber is finished, rolling the oil pipes out of the sand blasting chamber one by one, and placing the oil pipes on the pipe frame;
s2: assembling a compressed air blowing head, namely installing a sand blasting and blowing combined head with the same structure and style as those on a sand blasting chamber air-sand guide pipe on one end of a steel pipe matched with the compressed air blowing head in size, and then connecting the other end of the steel pipe with an air outlet of a compressed air system through an air pipe;
s3: blowing the compressed air on the surface of the inner wall of the oil pipe on the front half side, manually holding the steel pipe provided with the sand blasting and blowing combined head, and blowing the inner wall of the half oil pipe by taking the clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s4: lifting the sand blasting oil pipe, namely lifting the oil pipe subjected to air blowing at the half side onto a transfer cart through a lifting machine;
s5: blowing compressed air on the surface of the inner wall of the oil pipe at the rear half side, manually holding the steel pipe provided with the sand blasting and blowing combined head again, inserting one end of the steel pipe provided with the sand blasting and blowing combined head into the rear half side of the oil pipe which is not blown, and blowing the other half of the inner wall of the oil pipe by taking clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s6: the inspection is cleaned, after this batch of oil pipe sweeps, cleans the oil pipe inner wall with the big cloth inspection of clean light color, looks over whether the big cloth of light color has visual dust vestige, if have then need carry out compressed air to the oil pipe inner wall again and sweep, does not have visual dust vestige and appears again until the oil pipe inner wall.
As a further scheme of the invention: the sand blasting and air blowing combined head in the S2 comprises a sand blasting and air blowing pipe body, a flow guide cone, a threaded connection pipe head, a fixed sleeve, a connection pile and a support rod, wherein the threaded connection pipe head is arranged at one end of the sand blasting and air blowing pipe body, the threaded connection pipe head is in threaded connection with a steel pipe, the fixed sleeve is arranged in the sand blasting and air blowing pipe body, the fixed sleeve is fixedly connected with the inner wall of the sand blasting and air blowing pipe body through the three connection piles, the support rod is inserted in the middle of the fixed sleeve, and the flow guide cone is sleeved at the outer end of the support rod.
As a still further scheme of the invention: the inside end of the support rod is provided with an arc head (the material is consistent with the sleeve) which is fixedly bonded with the support rod head in an inserting manner, the arc head at the inside end of the support rod is fixedly connected with the fixed sleeve in an inserting manner, the sand scattering head at the outer end of the support rod is inserted, and the support rod head is connected with a threaded connection through a nut in a fastening manner.
As a still further scheme of the invention: the front end of the support rod is provided with an arc head (the material is consistent with that of the sleeve), the connecting rod head is in a cap shape, the first fixing sleeve is sleeved on the front end of the support rod, the rear part of the support rod is provided with threads, a second fixing sleeve is fixedly arranged in the flow guide cone, the support rod is sequentially sleeved with the first fixing sleeve, a plurality of sections of sleeves, the second fixing sleeve and nuts from front to back, the flow guide cone is sleeved on the support rod through the second fixing sleeve, the rear end of the support rod is sleeved with the nuts matched with the threads, the nuts tightly press and limit the first fixing sleeve, the plurality of sections of sleeves and the second fixing sleeve between the connecting rod head and the nuts in sequence through the thread fastening force generated by the threads, so that the sand blasting blowing pipe body suspends and limits the main body of the support rod in the sand blasting blowing pipe body through the connecting pile and the first fixing sleeve, and the connecting rod head, all the sleeves and the flow guide cone and the nuts are suspended and fixed through the support rod, wherein the connecting rod head and all the sleeves are suspended and limited in the sand blasting blowing pipe body, and are not contacted with the sand blowing pipe body; the nut is fastened to limit the diversion cone, so that the diversion cone is prevented from slipping off the support rod, and the distance between the diversion cone and the first fixing sleeve can be adjusted by increasing or reducing the number of sleeves on the support rod, so that the distance between the diversion cone and the pipe orifice of the sand blasting blowing pipe body is more appropriate; in addition, the sleeve can play a role in protecting the support rod, and prevents sand shots which are blown by high-pressure air flow in the sand blasting process and move to the second fixing sleeve through the sand blasting blowing pipe body from impacting and damaging the peripheral surface of the support rod.
As a still further scheme of the invention: the size of the steel pipe in the S3 is phi 32 multiplied by 4 multiplied by 6000mm, the whole length of the oil pipe is 9.6m, the purging time of a half oil pipe is 30 seconds, and the time is measured through a stopwatch of an auxiliary gun-holding operator.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a process for cleaning and blowing an oil pipe, which is characterized in that an existing sand blasting and blowing combined head is transformed into a sand blasting and blowing combined head suitable for sand blasting and air injection by matching the sand blasting and blowing combined head with a steel pipe and connecting the sand blasting and blowing combined head and the steel pipe into a compressed air system, the surface of sand blasting metal is directly hit by compressed air for cleaning and blowing, so that attachments (secondary pollutants) such as dust, oxide skin and the like attached to the metal surface on the inner wall of the oil pipe meeting the technical requirements of sand blasting can be effectively cleaned, the cleanliness meeting the technical specifications is achieved, then coating is carried out within a specified time range, so that the key effect is played on the normal performance of a coating, the technical requirements are met, the attachments (secondary pollutants) temporarily attached to the metal surface fall off and flow out of the oil pipe inner wall sand blasting and the oil pipe inner surface is cleaned along with air flow to the outside of the oil pipe due to the diversion effect of the sand blasting and blowing combined head, compressed air can meet the cleanliness requirement of the metal surface of the oil pipe before coating, and the inner wall surface of the oil pipe is treated by the compressed air of an inner wall 71698 and an inner wall cleaning and blowing technology for cleaning and blowing of an oil pipe before the inner wall of an oil pipe.
Drawings
Fig. 1 is a schematic perspective view of a sand blasting and air blowing combined head.
Fig. 2 is a cross-sectional view of the sandblasting nozzle body of fig. 1.
Fig. 3 is a schematic view of the assembled three-dimensional structure of the connecting rod head, the sleeve, the support rod and the diversion cone separated from the sand blasting blowing pipe body.
Fig. 4 is a cross-sectional structural view of the connecting rod head.
Fig. 5 is a schematic view of a three-dimensional assembly structure of the connecting rod head, the first fixing sleeve, the support rod and the diversion cone.
Fig. 6 is a schematic sectional structure view of the guide cone.
1. Sandblasting and blowing pipe body; 2. a flow-guiding cone; 3. the pipe head is connected by screw thread; 4. a first fixing sleeve; 5. connecting piles; 6. a support rod; 7. connecting the rod head; 8. a sleeve; 9. a nut; 10. the outer end of the support rod is screwed; a second pouch 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a method for cleaning attachments on an inner wall of an oil pipe after sand blasting is completed includes the following steps,
s1: placing the sand blasting oil pipes, opening the sand blasting chamber door after the sand blasting process of the inner surface of the oil pipe in the sand blasting chamber is finished, rolling the oil pipes out of the sand blasting chamber one by one, placing the oil pipes on a pipe frame, and treating the metal surface of the inner wall of the oil pipe through the sand blasting process to ensure that the sand blasting grade of the surface of the metal surface reaches Sa2.0-Sa3.0 grade and the roughness of anchor lines reaches 10-40 micrometers;
s2: assembling a compressed air blowing head, namely installing a sand blasting and blowing combined head with the same structure and style as those on a sand blasting chamber air-sand guide pipe on one end of a steel pipe matched with the compressed air blowing head in size, and then connecting the other end of the steel pipe with an air outlet of a compressed air system through an air pipe; the sand blasting and air blowing combined head is formed by transforming a sand blasting and scattering head, and is shown in the attached drawings 1-3 in detail, due to the flow guiding effect of a flow guiding cone 2 on the sand blasting and air blowing combined head, compressed air out of a gun can hit the inner surface wall of an oil pipe in the direction with an included angle of 30-60 degrees with the horizontal line, under the direct impact of the compressed air, attachments (secondary pollutants) temporarily attached to the metal surface fall off and flow out of the pipe along with air flow, and the process purpose of cleaning the inner surface of the oil pipe is achieved;
s3: blowing compressed air on the surface of the inner wall of the oil pipe on the front half side, manually holding the steel pipe provided with the sand blasting and air blowing combined head, and blowing the inner wall of the half oil pipe by taking clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s4: lifting the sand blasting oil pipe, namely lifting the oil pipe with the air swept on the half side to a transfer cart through a lifting machine;
s5: blowing compressed air on the surface of the inner wall of the oil pipe at the rear half side, manually holding the steel pipe provided with the sand blasting and blowing combined head again, inserting one end of the steel pipe provided with the sand blasting and blowing combined head into the rear half side of the oil pipe which is not blown, and blowing the other half of the inner wall of the oil pipe by taking clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s6: the inspection is cleaned, and after this batch oil pipe swept, the oil pipe inner wall was cleaned with the big cloth inspection of clean light color, looked over the big cloth of light color and whether have visual dust vestige, if then need carry out compressed air to the oil pipe inner wall again and sweep, does not have visual dust vestige again and appears until the oil pipe inner wall.
The combined head that blows sandblast in S2 includes the body 1 of blowing of sandblast, water conservancy diversion cone 2, threaded connection tube head 3, first fixed cover 4, connecting pile 5 and support rod 6, the one end of the body 1 of blowing of sandblast is provided with threaded connection tube head 3, threaded connection tube head 3 and steel pipe threaded connection, be provided with first fixed cover 4 in the body 1 of blowing of sandblast, first fixed cover 4 and 1 inner wall of the body of blowing of sandblast are through 5 fixed connection of three connecting pile, it has support rod 6 to peg graft in the middle of the first fixed cover 4, the outer pot head of support rod 6 is equipped with water conservancy diversion cone 2.
The front end of the support rod 6 is provided with an arc head (the material is consistent with that of the sleeve 8), the connecting rod head 7 is in a cap shape, the first fixing sleeve 4 is arranged on the front end of the support rod 6, the rear part of the support rod 6 is provided with a thread 10, the inside of the flow guide cone 2 is fixedly provided with a second fixing sleeve 11, the support rod 6 is sequentially sleeved with the first fixing sleeve 4, a plurality of sections of sleeves 8, the second fixing sleeve 11 and a nut 10 from front to back, the flow guide cone 2 is sleeved on the support rod 6 through the second fixing sleeve 11, the rear end of the support rod 6 is sleeved with a nut 9 matched with the thread 10, the nut 9 sequentially presses and limits the first fixing sleeve 4, the plurality of sections of sleeves 8 and the second fixing sleeve 11 between the connecting rod head 7 and the nut 9 through the thread fastening force generated by the thread 10, so that the main body of the support rod 6 is suspended and limited in the air blowing pipe body 1 through the connecting pile 5 and the first fixing sleeve 4, and all the connecting rod head 7, all the hanging sleeve 8 and the connecting rod head 7 are not contacted with the first fixing sleeve 6 and the air blowing rod head 1; the nut 9 limits the diversion cone 2 by fastening, so as to prevent the diversion cone 2 from slipping off the support rod 6, and the distance between the diversion cone 2 and the first fixing sleeve 4 can be adjusted by increasing or reducing the number of the sleeves 8 on the support rod 6, so that the distance between the diversion cone 2 and the pipe orifice of the sand blasting blowing pipe body 1 is more proper; in addition, the sleeve 8 can protect the support rod 6, and prevent the sand shot which is blown by the high-pressure air flow in the sand blasting process and moves to the second fixing sleeve 11 through the sand blasting blowing tube body 1 from impacting and damaging the outer peripheral surface of the support rod 6.
And in the S3, the size of the steel pipe is phi 32 multiplied by 4 multiplied by 6000mm, one end of the steel pipe is connected with an air compression system through a compressed air pipe, the inner wall of the other end of the steel pipe is provided with internal threads matched with the threaded connecting pipe head 3, the whole length of the oil pipe is 9.6m, the purging time of half of the oil pipe is 30 seconds, and the second-time metering is carried out through an auxiliary gun-holding operator.
Old oil pipe is because repairing in this embodiment, and the length is different, adopts oil pipe short-circuit area ferrule form to screw up to tightly by hand, forms comparatively unified length, carries out the protection of microcephaly screw thread.
The time from the completion of the present invention to the start of the anticorrosive coating application is shown in table 1:
TABLE 1
| Relative Humidity (RH) | 80%-90% | 50%-79% | ﹤50% |
| Time interval | ≤30min | ≤60min | ≤120min |
The storage time of the metal outer wall surface and the metal inner wall surface exposed in the air with the humidity shown in the table 1 is strictly controlled, and the tertiary pollution caused by secondary oxidation of the metal wall surface and reaction of the metal wall surface and water vapor in the air can be effectively avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. A method for cleaning attachments on the inner wall of an oil pipe after sand blasting is finished is characterized in that: the cleaning method comprises the following steps of,
s1: placing the sand blasting oil pipes, opening the sand blasting chamber door after the process of performing inner surface sand blasting treatment on the oil pipes in the sand blasting chamber is finished, rolling the oil pipes out of the sand blasting chamber one by one, and placing the oil pipes on a pipe frame;
s2: assembling a compressed air blowing head, namely installing a sand blasting and air blowing combined head with the same structural style as that of an air-sand guide pipe in a sand blasting chamber on one end of a steel pipe with the size matched with that of the sand blasting chamber, and then connecting the other end of the steel pipe with an air outlet of a compressed air system through an air pipe;
s3: blowing compressed air on the surface of the inner wall of the oil pipe on the front half side, manually holding the steel pipe provided with the sand blasting and air blowing combined head, and blowing the inner wall of the half oil pipe by taking clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s4: lifting the sand blasting oil pipe, namely lifting the oil pipe subjected to air blowing at the half side onto a transfer cart through a lifting machine;
s5: blowing the compressed air on the surface of the inner wall of the oil pipe at the back half side, manually holding the steel pipe provided with the sand blasting and blowing combined head by hand again, inserting one end of the steel pipe provided with the sand blasting and blowing combined head into the back half side of the oil pipe which is not blown, and blowing the other half of the inner wall of the oil pipe by taking the clean compressed air with the pressure of 0.6-0.9MPa as blowing power;
s6: the inspection is cleaned, after this batch of oil pipe sweeps, cleans the oil pipe inner wall with the big cloth inspection of clean light color, looks over whether the big cloth of light color has visual dust vestige, if have then need carry out compressed air to the oil pipe inner wall again and sweep, does not have visual dust vestige and appears again until the oil pipe inner wall.
2. The method for cleaning the attachments on the inner wall of the oil pipe after sand blasting according to claim 1, characterized in that: the combined head of blowing sandblasts in S2 includes that the sandblast blows body (1), water conservancy diversion cone (2), threaded connection tube head (3), first fixed cover (4), connecting pile (5) and support stick (6), the one end of sandblast body of blowing (1) is provided with threaded connection tube head (3), threaded connection tube head (3) and steel pipe threaded connection, be provided with first fixed cover (4) in sandblast body of blowing (1), first fixed cover (4) and sandblast body of blowing (1) inner wall are through three connecting pile (5) fixed connection, it has support stick (6) to peg graft in the middle of first fixed cover (4), the outer end cover of support stick (6) is equipped with water conservancy diversion cone (2).
3. The method for cleaning the attachments on the inner wall of the oil pipe after sand blasting according to claim 2, characterized in that: the inside end of support stick (6) sets up circular arc head (the material is unanimous with 8) and inserts fixed bonding (7) with support stick head (6), circular arc head (7) and the fixed cover (4) of support stick (6) inside end insert fixed connection, the loose sand head of support stick (6) outer end inserts, and support stick (6) head thread (10) are connected and are installed nut (9) and fasten.
4. The method for cleaning the attachments on the inner wall of the oil pipe after sand blasting according to claim 2, characterized in that: the preceding end of support stick (6) sets up the arc head, it is cap-shaped to connect excellent head (7), first fixed cover (4) dress is on the front end of support stick (6), the rear portion of support stick (6) is provided with screw thread (10), the fixed cover of second (11) has set firmly in water conservancy diversion cone (2), support stick (6) the past to the back in proper order the cover be equipped with first fixed cover (4), a plurality of sections sleeve pipe (8), the fixed cover of second (11) and nut (10), water conservancy diversion cone (2) are through the fixed cover of second (11) suit on support stick (6), the cover is equipped with nut (9) with screw thread (10) complex on the rear end of support stick (6), nut (9) are through the screw fastening power that screw thread (10) produced with first fixed cover (4), a plurality of sections sleeve pipe (8), the fixed cover of second (11) sticiss spaying in proper order spacing between connecting stick head (7) and nut (9), with the body (7) of the unsettled body of the body (1) of blowing through connecting rod (5) and first fixed cover (4), wherein the unsettled body of water conservancy diversion cone (6) is connected in the unsettled body (7), the unsettled body of blow, the support stick head of support stick (6) and the unsettled body (7) are connected through the unsettled cone (7), wherein the water conservancy diversion cone (10), the body (6), the unsettled body (1), the unsettled body (7), the unsettled body (6), wherein connect the unsettled body (7), the water conservancy diversion cone (6), the support stick head of blow, the sand-blast body (6), the support stick (6), the body (10), the sand-blow, all the sleeves (8) are suspended and limited in the sand blasting and air blowing pipe body (1), and the connecting rod head (7), the support rod (6), the first fixing sleeve (4) and all the sleeves (8) are not contacted with the sand blasting and air blowing pipe body (1); the nut (9) limits the diversion cone (2) through fastening, so that the diversion cone (2) is prevented from slipping off the support rod (6), and the distance between the diversion cone (2) and the first fixing sleeve (4) can be adjusted by increasing or reducing the number of the sleeves (8) on the support rod (6), so that the distance between the diversion cone (2) and the pipe orifice of the sand blasting blowing pipe body (1) is more proper; in addition, the sleeve (8) can play a role of protecting the support rod (6) and prevent sand shots which are blown by high-pressure air flow in the sand blasting process and move to the second fixing sleeve (11) through the sand blasting blowing pipe body (1) from impacting and damaging the outer peripheral surface of the support rod (6).
5. The method for cleaning the attachments on the inner wall of the oil pipe after sand blasting according to claim 1, characterized in that: the size of the steel pipe in the S3 is phi 32 multiplied by 4 multiplied by 6000mm, the whole length of the oil pipe is 9.6m, the purging time of a half oil pipe is 30 seconds, and the time is measured through a stopwatch of an auxiliary gun-holding operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211114302.2A CN115351718B (en) | 2022-09-14 | 2022-09-14 | Method for cleaning attachments on inner wall of oil pipe after sand blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211114302.2A CN115351718B (en) | 2022-09-14 | 2022-09-14 | Method for cleaning attachments on inner wall of oil pipe after sand blasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115351718A true CN115351718A (en) | 2022-11-18 |
| CN115351718B CN115351718B (en) | 2024-06-21 |
Family
ID=84006438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211114302.2A Active CN115351718B (en) | 2022-09-14 | 2022-09-14 | Method for cleaning attachments on inner wall of oil pipe after sand blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115351718B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619230A (en) * | 2023-07-24 | 2023-08-22 | 江苏安江汽车部件有限公司 | Self-sealing radiator air deflector assembly cleaning device and cleaning method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09109029A (en) * | 1995-10-19 | 1997-04-28 | Fuji Seisakusho:Kk | Structure surface grinding/polishing/cleaning system |
| CN204505026U (en) * | 2015-03-20 | 2015-07-29 | 东莞市锐天机电科技有限公司 | Sand blasting system |
| CN106737228A (en) * | 2016-12-30 | 2017-05-31 | 陕西天元石化建设工程有限公司 | A kind of steel pipe inner wall sand blasting unit and sand blasting process |
| CN107717748A (en) * | 2017-11-08 | 2018-02-23 | 江苏鑫德龙环保科技有限公司 | A kind of steel pipe sand blasting apparatus |
| CN108621036A (en) * | 2017-08-09 | 2018-10-09 | 蒙会霞 | Processing method before the coating of oil pipe inside and outside wall corrosion-inhibiting coating |
| CN212240621U (en) * | 2020-06-06 | 2020-12-29 | 南通市正中钢管有限公司 | Device for simultaneously performing sand blasting treatment on inner surface and outer surface of steel pipe |
-
2022
- 2022-09-14 CN CN202211114302.2A patent/CN115351718B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09109029A (en) * | 1995-10-19 | 1997-04-28 | Fuji Seisakusho:Kk | Structure surface grinding/polishing/cleaning system |
| CN204505026U (en) * | 2015-03-20 | 2015-07-29 | 东莞市锐天机电科技有限公司 | Sand blasting system |
| CN106737228A (en) * | 2016-12-30 | 2017-05-31 | 陕西天元石化建设工程有限公司 | A kind of steel pipe inner wall sand blasting unit and sand blasting process |
| CN108621036A (en) * | 2017-08-09 | 2018-10-09 | 蒙会霞 | Processing method before the coating of oil pipe inside and outside wall corrosion-inhibiting coating |
| CN107717748A (en) * | 2017-11-08 | 2018-02-23 | 江苏鑫德龙环保科技有限公司 | A kind of steel pipe sand blasting apparatus |
| CN212240621U (en) * | 2020-06-06 | 2020-12-29 | 南通市正中钢管有限公司 | Device for simultaneously performing sand blasting treatment on inner surface and outer surface of steel pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619230A (en) * | 2023-07-24 | 2023-08-22 | 江苏安江汽车部件有限公司 | Self-sealing radiator air deflector assembly cleaning device and cleaning method |
| CN116619230B (en) * | 2023-07-24 | 2023-09-19 | 江苏安江汽车部件有限公司 | Self-sealing radiator air deflector assembly cleaning device and cleaning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115351718B (en) | 2024-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7531048B2 (en) | On-wing combustor cleaning using direct insertion nozzle, wash agent, and procedure | |
| CN115351718A (en) | Method for cleaning attachments on inner wall of oil pipe after sand blasting | |
| CN104152933A (en) | Seamless tube pickling device and method | |
| CN104451524A (en) | Preparation method of NiCrBSi coating for small-diameter balls | |
| CN102989827A (en) | On-line steel tube external degreasing and cleaning equipment | |
| CN211838712U (en) | On-line rust-proof spraying equipment for section steel | |
| CN103240680B (en) | Steel plate preprocess method | |
| CN206208098U (en) | For industrial cool-heat-exchanger and radiating tube, the dry ice formula purging system of piece | |
| CN209476517U (en) | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet | |
| CN209651279U (en) | A kind of environment-friendly type multiple groups conjunction clearing apparatus | |
| CN110682215B (en) | High-pressure rust removal spray head | |
| CN208050589U (en) | A kind of hot rolling fetus device | |
| CN107639550A (en) | More shower nozzle automatic sand blasting rifles | |
| CN215844484U (en) | Sleeve, cleaning device and system for cleaning steel wire rope | |
| CN108114994B (en) | The device and method of iron sheet ash indentation are reduced when a kind of hot tandem production strip | |
| CN210569141U (en) | Temperature and humidity control device for shipbuilding coating workshop | |
| CN208289708U (en) | A kind of high-pressure water jet Strip cleaning plant and water jet clear up line | |
| CN208161921U (en) | A kind of paint spraying apparatus nozzle automatic cleaning equipment | |
| CN208450115U (en) | A kind of list edge blowing-down device for hot-dip galvanized steel pipe | |
| CN205765658U (en) | Full-automatic machine people's sandblasting operation Y type spray gun | |
| CN219233285U (en) | Major diameter charcoal piece belt cleaning device | |
| CN217289807U (en) | Device for repairing mill housing frame | |
| CN220408390U (en) | Sand blasting equipment for inner wall and socket wall of socket of nodular cast iron pipe | |
| CN218797805U (en) | Practical multifunctional network ware belt cleaning device | |
| CN220879723U (en) | Steel rolling belt cleaning device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |