CN211950446U - Automatic change oily field superconductive heat and wash with paraffin removal device - Google Patents
Automatic change oily field superconductive heat and wash with paraffin removal device Download PDFInfo
- Publication number
- CN211950446U CN211950446U CN202020680277.4U CN202020680277U CN211950446U CN 211950446 U CN211950446 U CN 211950446U CN 202020680277 U CN202020680277 U CN 202020680277U CN 211950446 U CN211950446 U CN 211950446U
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- driving motor
- plate
- removal device
- water tank
- paraffin removal
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- 239000012188 paraffin wax Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000001993 wax Substances 0.000 abstract description 26
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an automatic change superconductive hot washing in oil field and use paraffin removal device, including the L shaped plate, the bottom four corners of L shaped plate is all rotated and is installed the universal wheel, and one side top fixed mounting of L shaped plate has the diaphragm, and the top fixed mounting of diaphragm has the lifting machine, and the bottom of stay cord extends to the below of diaphragm and fixed mounting has the shape of returning the board on the lifting machine, the bottom of returning the board is rotated and is installed the water tank, and fixed mounting has a driving motor on the bottom inner wall of the shape of returning the board, and a driving motor's output shaft bottom extend to the below of returning the board and with the top fixed connection of water tank, the bottom fixed mounting of water tank has two risers. The utility model discloses simple structure, convenient operation is convenient for adjust the distance between two brushes, reaches to drive two brushes automatically and rotates the wax on the oil recovery inside pipe wall to different specifications and clears up, is convenient for wash the wax when the brush clearance simultaneously for the thorough of clearance satisfies the operation needs, is favorable to the use.
Description
Technical Field
The utility model relates to a paraffin removal equipment technical field especially relates to an automatic change oil field superconductive heat to wash and use paraffin removal device.
Background
At present, in the process of oil extraction in an oil field, a phenomenon of wax deposition can occur in an oil extraction pipe, workers need to clean the inner wall of the oil extraction pipe regularly to prevent the oil extraction pipe from being damaged, people generally use a wax scraper to scrape wax on the side wall of the oil extraction pipe, firstly spray heated water on the pipe wall of the oil extraction pipe to soften the wax, clean the wax through the wax scraper, convey the wax scraper by using an external electric hoist or a lifting machine when the wax scraper is used, and move downwards along the inner wall of the oil extraction pipe to scrape dead wax accumulated on the wall of the oil extraction pipe, so that the aim of removing the oil wax accumulated on the wall of the oil extraction pipe is fulfilled;
but the paraffin scraper of current is not convenient for scrape the wax on the oil production pipe of different diameters and gets, because the last steel wire brush of paraffin scraper is fixed, when the oil production pipe of different diameters need scrape the wax, need change the paraffin scraper of different sizes, and application scope limits, can not satisfy the user demand, therefore we have proposed an automatic oil field superconductive paraffin removal device for hot washing and have been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an automatic paraffin removal device for superconducting hot washing in oil field.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic change oily field superconductive hot washing and use paraffin removal device, includes the L shaped plate, the bottom four corners of L shaped plate is all rotated and is installed the universal wheel, and one side top fixed mounting of L shaped plate has the diaphragm, and the top fixed mounting of diaphragm has the lifting machine, and the bottom of stay cord extends to the below of diaphragm and fixed mounting has the shape of returning the board on the lifting machine, the bottom of the shape of returning the board is rotated and is installed the water tank, and fixed mounting has a driving motor on the bottom inner wall of the shape of returning the board, and a driving motor's output shaft bottom extends to the below of the shape of returning the board and with the top fixed connection of water tank, and the bottom fixed mounting of water tank has two risers, and the below of two risers is equipped with two fixed plates, and the top of the fixed plate that lies in the top in two fixed plates and the bottom fixed connection of two risers, and the both sides A plurality of springs are fixedly arranged between one side of the moving block, which is far away from the corresponding U-shaped plate, and the inner wall of one side of the groove, which is far away from the opening of the groove, the two U-shaped plates are symmetrically arranged, three triangular blocks are fixedly arranged on the sides, which are close to each other, of the two U-shaped plates, the two triangular blocks are symmetrically arranged, the sides, which are close to each other, of the two triangular blocks are respectively provided with an inclined surface, the side, which is close to each other, of the two fixing plates is rotatably provided with the same screw rod, a cross rod is sleeved on the screw rod in a threaded manner, rollers are rotatably arranged at the two ends of the cross rod, the bottom of each roller is in rolling contact with the inclined surface of the corresponding triangular block, two positioning rods are fixedly arranged on the sides, which are close to each other, the cross, the bottom fixed mounting of water tank has the water pump, the water inlet of water pump extends to in the water tank, the delivery port intercommunication of water pump is fixed with violently the pipe, two equal fixed sheathes in of riser are established on violently managing, the both ends of violently managing all communicate and are fixed with the expansion hose, the one end that two expansion hoses kept away from each other all communicates and is fixed with the L venturi tube that the bottom is block structure, two L venturi tube symmetries set up, the fixed cover of U-shaped board is established on the L venturi tube that corresponds, one side that two L venturi tubes kept away from each other all communicates and is fixed with a plurality of connecting pipes, fixed mounting has same brush between the top inner wall of U-shaped board and the.
Preferably, the inner wall of one side of the return-shaped plate is fixedly connected with a storage battery, the inner wall of the other side of the return-shaped plate is fixedly provided with a wireless remote control switch and a single chip microcomputer, the wireless remote control switch is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with a first driving motor and a second driving motor, the first driving motor, the second driving motor and the single chip microcomputer are electrically connected with the storage battery through wires, and the wireless remote control switch is provided with an external remote controller in a matching mode.
Preferably, the lower part of the return-shaped plate is provided with two electric heating pipes, the water tank is fixedly sleeved on the two electric heating pipes, and the two electric heating pipes are electrically connected with the storage battery through conducting wires.
Preferably, the top of the cross rod is provided with a threaded hole, and the threaded hole is in threaded connection with the screw.
Preferably, two square holes are formed in the top of the cross rod, and the inner wall of each square hole is connected with the outer side of the corresponding positioning rod in a sliding mode.
Preferably, the two fixing plates are fixedly provided with bearings on the sides close to each other, and the inner rings of the bearings are fixedly sleeved with the outer sides of the screws.
Preferably, the top of one side of water tank communicates and is fixed with L shape inlet tube, and the screw thread is fixed with the tube cap on the L shape inlet tube, and the fixed cover is equipped with the stopper on the screw rod.
Preferably, the inner wall of the bottom of the L-shaped plate is fixedly provided with a balancing weight, and the top of one side of the balancing weight is fixedly provided with a pushing handle.
Compared with the prior art, the beneficial effects of the utility model are that:
by arranging an L-shaped plate, a transverse plate, a lifter, a return plate, a water tank, a first driving motor, a vertical plate, a fixing plate, a moving block, a spring, a U-shaped plate, a triangular block, a screw rod, a transverse rod, positioning rods, a second driving motor, a water pump, L-shaped pipes, connecting pipes and a brush which are matched, the lifter is started to drive the water tank to move downwards into an oil extraction pipe, an electric heating pipe heats water in the water tank, the second driving motor is started in the forward direction to drive the screw rod to rotate, the screw rod rotates to drive the transverse rod to slide downwards on the two positioning rods, the transverse rod drives rollers to roll on inclined planes of the corresponding triangular blocks, the triangular blocks drive the moving block to slide in grooves through the corresponding U-shaped plates and stretch the spring, then the water pump is started to discharge the water into the two L-shaped pipes, the L-shaped pipes discharge the water, make wax melt the turn soft, start first driving motor and drive the water tank and rotate, the water tank rotates and makes two U-shaped boards rotate, and the U-shaped board drives the brush rotation that corresponds and clears up the wax on the oil production pipe inner wall, and the connecting pipe is washed the wax of clearance, and the relocking lifting machine lasts to transfer, can realize totally clearing up gradually.
The utility model discloses simple structure, convenient operation is convenient for adjust the distance between two brushes, reaches to drive two brushes automatically and rotates the wax on the oil recovery inside pipe wall to different specifications and clears up, is convenient for wash the wax when the brush clearance simultaneously for the thorough of clearance satisfies the operation needs, is favorable to the use.
Drawings
FIG. 1 is a schematic structural view of an automatic paraffin removal device for superconducting thermal washing in oil field;
FIG. 2 is a schematic cross-sectional view of portion A of FIG. 1;
fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.
In the figure: 1L-shaped plate, 2 transverse plates, 3 lifting machines, 4 return-shaped plates, 5 water tanks, 6 first driving motors, 7 vertical plates, 8 fixing plates, 9 moving blocks, 10 springs, 11U-shaped plates, 12 triangular blocks, 13 screw rods, 14 transverse rods, 15 positioning rods, 16 second driving motors, 17 water pumps, 18L-shaped pipes, 19 connecting pipes and 20 hairbrushes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an automatic paraffin removal device for superconducting thermal washing in an oil field comprises an L-shaped plate 1, universal wheels are rotatably mounted at four corners of the bottom of the L-shaped plate 1, a transverse plate 2 is fixedly mounted at the top of one side of the L-shaped plate 1, a lifter 3 is fixedly mounted at the top of the transverse plate 2, the bottom end of a pull rope on the lifter 3 extends to the lower side of the transverse plate 2 and is fixedly mounted with a return plate 4, a water tank 5 is rotatably mounted at the bottom of the return plate 4, a first driving motor 6 is fixedly mounted on the inner wall of the bottom of the return plate 4, the bottom end of an output shaft of the first driving motor 6 extends to the lower side of the return plate 4 and is fixedly connected with the top of the water tank 5, two vertical plates 7 are fixedly mounted at the bottom of the water tank 5, two fixing plates 8 are arranged below the two vertical plates 7, the two sides of the fixed plates 8 are respectively provided with a groove, the grooves are internally and slidably sleeved with moving blocks 9, one sides, away from each other, of the two moving blocks 9 on the same horizontal line extend to the outside of the corresponding grooves and are fixedly provided with U-shaped plates 11, a plurality of springs 10 are fixedly arranged between one sides, away from the corresponding U-shaped plates 11, of the moving blocks 9 and the inner walls, away from the openings, of the grooves, the two U-shaped plates 11 are symmetrically arranged, one sides, close to each other, of the two U-shaped plates 11 are respectively and fixedly provided with a triangular block 12, the two triangular blocks 12 are symmetrically arranged, one sides, close to each other, of the two triangular blocks 12 are respectively provided with an inclined surface, one side, close to each other, of the two fixed plates 8 is rotatably provided with a same screw 13, the screw 13 is sleeved with a cross rod 14, two ends of the cross rod 14 are respectively, a cross rod 14 is sleeved on two positioning rods 15 in a sliding manner, a second driving motor 16 is fixedly installed at the top of one fixing plate 8 positioned above the cross rod, the bottom end of an output shaft of the second driving motor 16 extends to a position between the two fixing plates 8 and is fixedly connected with the top end of a screw 13, a water pump 17 is fixedly installed at the bottom of the water tank 5, a water inlet of the water pump 17 extends into the water tank 5, a water outlet of the water pump 17 is communicated with and is fixedly provided with a horizontal pipe, two vertical plates 7 are fixedly sleeved on the horizontal pipe, two ends of the horizontal pipe are communicated and are fixedly provided with telescopic hoses, one ends of the two telescopic hoses far away from each other are communicated and are fixedly provided with L-shaped pipes 18 with bottom ends in a blocking structure, the two L-shaped pipes 18 are symmetrically arranged, a U-shaped plate 11 is fixedly sleeved on the corresponding L-shaped pipes 18, one sides of the two L-shaped pipes 18, the fixed cover of brush 20 is established on a plurality of connecting pipes 19 that correspond, the utility model discloses simple structure, convenient operation is convenient for adjust the distance between two brushes 20, reaches to drive two brushes 20 automatically and rotates the wax on the oil recovery inside pipe wall to different specifications and clears up, is convenient for wash the wax when brush 20 clears up simultaneously for the thorough of clearance satisfies the use needs, is favorable to the use.
In the utility model, a storage battery is fixedly connected on the inner wall of one side of a square plate 4, a wireless remote control switch and a single chip microcomputer are fixedly installed on the inner wall of the other side of the square plate 4, the wireless remote control switch is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with a first driving motor 6 and a second driving motor 16, the first driving motor 6, the second driving motor 16 and the single chip microcomputer are electrically connected with the storage battery through wires, the wireless remote control switch is provided with an external remote controller in a matching way, two electric heating pipes are arranged below the square plate 4, a water tank 5 is fixedly sleeved on the two electric heating pipes, the two electric heating pipes are electrically connected with the storage battery through wires, a threaded hole is arranged at the top of a cross rod 14, the threaded hole is in threaded connection with a screw 13, two square holes are arranged at the top of the cross rod 14, the inner walls of the square holes are in, the suit is fixed in the inner circle of bearing and the outside of screw rod 13, and one side top intercommunication of water tank 5 is fixed with L shape inlet tube, and threaded fixation has the tube cap on the L shape inlet tube, and fixed cover is equipped with the stopper on screw rod 13, and fixed mounting has the balancing weight on the bottom inner wall of L shaped plate 1, and one side top fixed mounting of balancing weight has and pushes away the handle, the utility model discloses simple structure, convenient operation is convenient for adjust the distance between two brushes 20, reaches to automatically, drives two brushes 20 and rotates the wax on the oil recovery inside pipe wall of different specifications and clear up, is convenient for wash the wax when brush 20 clears up simultaneously for the thorough of clearance satisfies the user demand, is favorable to using.
The working principle is as follows: when the device is used, the pipe cover is rotated and opened to add water into the water tank 5, the push handle is pushed to drive the balancing weight to move, the balancing weight drives the L-shaped plate 1 to move to a proper position, then the elevator 3 is started in the forward direction, the pull rope on the elevator 3 begins to be put down, the pull rope on the elevator 3 drives the water tank 5 to move downwards into the oil extraction pipe, the storage battery supplies power to the electric heating pipe through the conducting wire, the electric heating pipe heats the water in the water tank 5, the external remote controller is used for controlling the wireless remote control switch to control the single chip microcomputer to start the second driving motor 16 in the forward direction, the second driving motor 16 drives the screw 13 to rotate, under the action of the threaded hole formed in the cross rod 14, the screw 13 rotates to drive the cross rod 14 to slide downwards on the two positioning rods 15, the cross rod 14 drives the two rollers to move downwards, the rollers, the two triangular blocks 12 move towards the direction far away from each other, the triangular blocks 12 drive the corresponding U-shaped plates 11 to move, the U-shaped plates 11 drive the corresponding moving blocks 9 to slide in the grooves, the corresponding springs 10 are stretched in the moving process of the moving blocks 9, the corresponding brushes 20 are driven to move by the U-shaped plates 11, the corresponding L-shaped pipes 18 are driven to move by the U-shaped plates 11, the corresponding telescopic hoses are driven to stretch by the L-shaped pipes 18, when the distance between the sides, far away from each other, of the two brushes 20 is the same as the diameter distance of the inner ring of the oil production pipe, the second driving motor 16 is stopped at the moment, the water pump 17 is started immediately, the water pump 17 pumps water from the water tank 5 through the water inlet, water is discharged into the transverse pipe through the water outlet, the transverse pipe discharges water into the two telescopic hoses, the telescopic hoses discharge water into the corresponding L-shaped pipes 18, the L-shaped pipes 18 discharge, connecting pipe 19 sprays water to oil production pipe's lateral wall on for wax melts and becomes soft, pass through the work of the first driving motor 6 of remote controller control with the principle, first driving motor 6 drives water tank 5 and rotates, water tank 5 rotates and makes two U-shaped plates 11 rotate, U-shaped plate 11 drives the brush 20 rotation that corresponds, brush 20 clears up the wax on the oil production pipe inner wall, connecting pipe 19 washes the wax of clearance, it transfers to cooperate lifting machine 3 to last again, can realize complete clearance gradually.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The paraffin removal device for automatic oilfield superconducting thermal washing comprises an L-shaped plate (1), universal wheels are installed at four corners of the bottom of the L-shaped plate (1) in a rotating mode, a transverse plate (2) is fixedly installed at the top of one side of the L-shaped plate (1), a lifting machine (3) is fixedly installed at the top of the transverse plate (2), the bottom end of a pull rope on the lifting machine (3) extends to the position below the transverse plate (2) and is fixedly provided with a return plate (4), the paraffin removal device is characterized in that a water tank (5) is installed at the bottom of the return plate (4) in a rotating mode, a first driving motor (6) is fixedly installed on the inner wall of the bottom of the return plate (4), the bottom end of an output shaft of the first driving motor (6) extends to the position below the return plate (4) and is fixedly connected with the top of the water tank (5), two vertical plates (7) are fixedly installed at the, the top of the fixing plate (8) positioned above the two fixing plates (8) is fixedly connected with the bottoms of the two vertical plates (7), grooves are formed in the two sides of the fixing plate (8), moving blocks (9) are sleeved in the grooves in a sliding mode, one sides, far away from the two moving blocks (9) of the other side, of the two moving blocks (9) positioned on the same side are fixedly connected with the same U-shaped plate (11), a plurality of springs (10) are fixedly installed between one side, far away from the corresponding U-shaped plate (11), of the moving blocks (9) and the inner wall, far away from the opening, of the groove, the two U-shaped plates (11) are symmetrically arranged, triangular blocks (12) are fixedly installed on the side, close to each other, of the two triangular blocks (12) are symmetrically arranged, inclined planes are arranged on the side, close to each other, of the two fixing plates (8) are rotatably, a cross rod (14) is sleeved on the screw rod (13) in a threaded manner, rollers are rotatably mounted at two ends of the cross rod (14), the bottom of each roller is in rolling contact with the inclined surface of the corresponding triangular block (12), two positioning rods (15) are fixedly mounted at one side of each fixing plate (8) close to each other, the cross rod (14) is slidably sleeved on the two positioning rods (15), a second driving motor (16) is fixedly mounted at the top of one fixing plate (8) above the corresponding roller, the bottom end of an output shaft of the second driving motor (16) extends to a position between the two fixing plates (8) and is fixedly connected with the top end of the screw rod (13), a water pump (17) is fixedly mounted at the bottom of the water tank (5), a water inlet of the water pump (17) extends into the water tank (5), a water outlet of the water pump (17) is communicated and fixed with a transverse pipe, the two vertical plates (7) are, the one end that two expansion hoses kept away from each other all communicates and is fixed with L venturi tube (18) that the bottom is block structure, two L venturi tube (18) symmetry set up, the fixed cover of U-shaped board (11) is established on L venturi tube (18) that correspond, one side that two L venturi tube (18) kept away from each other all communicates and is fixed with a plurality of connecting pipes (19), fixed mounting has same brush (20) between the top inner wall of U-shaped board (11) and the bottom inner wall, brush (20) fixed cover is established on a plurality of connecting pipes (19) that correspond.
2. The automatic oil field superconducting heat washing paraffin removal device as claimed in claim 1, wherein a storage battery is fixedly connected to the inner wall of one side of the return plate (4), a wireless remote control switch and a single chip microcomputer are fixedly mounted on the inner wall of the other side of the return plate (4), the wireless remote control switch is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the first driving motor (6) and the second driving motor (16), the first driving motor (6), the second driving motor (16) and the single chip microcomputer are electrically connected with the storage battery through wires, and an external remote controller is arranged in a matching manner on the wireless remote control switch.
3. The automatic paraffin removal device for the superconducting heat washing of the oil field as claimed in claim 1, wherein two electric heating pipes are arranged below the return plate (4), the water tank (5) is fixedly sleeved on the two electric heating pipes, and the two electric heating pipes are electrically connected with the storage battery through conducting wires.
4. The automatic oil field superconducting hot washing paraffin removal device as claimed in claim 1, wherein a threaded hole is formed in the top of the cross rod (14), and the threaded hole is in threaded connection with the screw (13).
5. The automatic oil field superconducting thermal washing paraffin removal device as claimed in claim 1, wherein the top of the cross bar (14) is provided with two square holes, and the inner walls of the square holes are slidably connected with the outer sides of the corresponding positioning rods (15).
6. The automatic oil field superconducting thermal washing paraffin removal device as claimed in claim 1, wherein bearings are fixedly mounted on the sides of the two fixing plates (8) close to each other, and inner rings of the bearings are fixedly sleeved with the outer sides of the screws (13).
7. The automatic oil field superconducting thermal washing paraffin removal device as claimed in claim 1, wherein the top of one side of the water tank (5) is communicated with and fixed with an L-shaped water inlet pipe, a pipe cover is fixed on the L-shaped water inlet pipe through threads, and a limiting block is fixed on a screw (13) in a fixing way.
8. The automatic oil field superconducting thermal washing paraffin removal device as claimed in claim 1, wherein a counterweight is fixedly mounted on the inner wall of the bottom of the L-shaped plate (1), and a push handle is fixedly mounted on the top of one side of the counterweight.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020680277.4U CN211950446U (en) | 2020-04-29 | 2020-04-29 | Automatic change oily field superconductive heat and wash with paraffin removal device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020680277.4U CN211950446U (en) | 2020-04-29 | 2020-04-29 | Automatic change oily field superconductive heat and wash with paraffin removal device |
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CN211950446U true CN211950446U (en) | 2020-11-17 |
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CN202020680277.4U Expired - Fee Related CN211950446U (en) | 2020-04-29 | 2020-04-29 | Automatic change oily field superconductive heat and wash with paraffin removal device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523725A (en) * | 2021-02-09 | 2021-03-19 | 山东奥士德石油技术有限公司 | Paraffin removal device for oil field and use method thereof |
CN113941575A (en) * | 2021-10-17 | 2022-01-18 | 张效文 | Cleaning device for secondary water supply tank |
CN115041474A (en) * | 2022-07-26 | 2022-09-13 | 广州诚安路桥检测有限公司 | High-frequency excitation type pile foundation acoustic survey pipe inner wall rust removal device and application method |
-
2020
- 2020-04-29 CN CN202020680277.4U patent/CN211950446U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523725A (en) * | 2021-02-09 | 2021-03-19 | 山东奥士德石油技术有限公司 | Paraffin removal device for oil field and use method thereof |
CN113941575A (en) * | 2021-10-17 | 2022-01-18 | 张效文 | Cleaning device for secondary water supply tank |
CN115041474A (en) * | 2022-07-26 | 2022-09-13 | 广州诚安路桥检测有限公司 | High-frequency excitation type pile foundation acoustic survey pipe inner wall rust removal device and application method |
CN115041474B (en) * | 2022-07-26 | 2025-02-25 | 广州诚安路桥检测有限公司 | A high-frequency excitation type pile foundation acoustic detection tube inner wall rust removal device and use method |
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Granted publication date: 20201117 Termination date: 20210429 |