CN108580073B - Corrosion inhibitor coating device for natural gas gathering and transportation pipeline - Google Patents
Corrosion inhibitor coating device for natural gas gathering and transportation pipeline Download PDFInfo
- Publication number
- CN108580073B CN108580073B CN201810335570.4A CN201810335570A CN108580073B CN 108580073 B CN108580073 B CN 108580073B CN 201810335570 A CN201810335570 A CN 201810335570A CN 108580073 B CN108580073 B CN 108580073B
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- corrosion inhibitor
- gathering
- liquid storage
- pipeline
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1035—Driving means; Parts thereof, e.g. turbine, shaft, bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
Landscapes
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a corrosion inhibitor coating device for a natural gas gathering and transportation pipeline, which comprises a sealing cover, a liquid storage cylinder, a joint, a liquid conveying pipe, a fixing frame, a motor frame and a speed reducing motor, wherein the sealing cover is hermetically matched at an opening at the end part of the liquid storage cylinder with a liquid storage cavity, the side edge of the sealing cover is provided with a taper, a plurality of spray heads are arranged at two sides of the sealing cover, the liquid spraying direction of the spray heads faces to the inner wall of the gathering and transportation pipeline, one side of the liquid storage cylinder is connected with the liquid conveying pipe through the joint, the liquid conveying pipe is connected with an external storage device for storing a corrosion inhibitor, a pump body is arranged on the liquid conveying pipe, and the end part of: the rotary spray head and the coating pad are matched with each other to carry out spraying first and then uniformly coating, the defect of nonuniform brushing in the background technology is overcome, the automation of the whole coating process can be realized, and the design of the double-shaft motor is convenient for drying and film forming of the corrosion inhibitor.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a corrosion inhibitor coating device for a natural gas gathering and transportation pipeline.
Background
In the natural gas industry, the function of a wet gas gathering and transporting pipeline is to transport natural gas, which has not been separated and purified in a gas station, to a gas treatment plant for further processing. During the moisture transportation process, heat exchange can occur between the pipeline and the external environment, and when the temperature of the pipe wall is lower than the dew point of water vapor due to heat conduction, a part of recombinant components can be condensed out, so that accumulated liquid is generated. For an acid gas pipeline containing hydrogen sulfide and carbon dioxide, severe electrochemical corrosion of the pipeline can be caused in the presence of liquid loading, so that the pipe wall is thinned and even perforated, toxic media are leaked, and further, accidents such as poisoning, fire, explosion and the like are caused. In actual industrial production, a method of regularly coating a corrosion inhibitor on a pipeline is usually adopted to prevent the pipeline from being corroded. The corrosion inhibitor is filled into the pipeline to be fully contacted with the inner wall of the pipeline, and the corrosion inhibitor can be strongly combined with the surface of metal in the pipeline through the action of special metalliophilic chemical bonds to form a layer of protective film.
For example, CN206951476U discloses a corrosion inhibitor coating device for a gathering and transportation pipeline, wherein the flow velocity of atomized corrosion inhibitor can be increased through a reducer pipe, the atomized corrosion inhibitor is sprayed to brush hairs, and the brush hairs perform coating operation on the pipe wall in the advancing process of the device, so that the corrosion inhibitor can be fully contacted with the pipe wall, and the coating effect is greatly improved;
however, it is known from common general knowledge that the contact time or line contact between the brush and the tube wall causes the atomized corrosion inhibitor not to be fully coated on the tube wall, resulting in poor coating effect.
Disclosure of Invention
The invention aims to provide a corrosion inhibitor coating device for a natural gas gathering and transportation pipeline, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a natural gas gathering and transportation pipeline corrosion inhibitor device of filming, including sealed lid, the liquid storage cylinder, connect, the transfer line, the mount, motor frame and gear motor, the sealed cooperation of tip opening part of the liquid storage cylinder that has the liquid storage chamber has sealed lid, the side of sealed lid has the tapering, a plurality of shower nozzles are installed to the both sides position of sealed lid, the hydrojet direction of shower nozzle is towards the inner wall of gathering and transportation pipeline, one side position of liquid storage cylinder is connected with the transfer line through the joint, the transfer line is connected with the outside storage device that is used for storing the corrosion inhibitor, and installs the pump body on the transfer line, the tip of liquid storage cylinder and gear motor's output shaft fixed connection, still fixed mounting has discoid mount on gear motor's the output shaft, is fixed with the round on the outer circumference of mount and scribbles the membrane pad, scribbles the surface of, the outer parts of the motor frame and the liquid storage cylinder are respectively provided with a plurality of centering devices for ensuring the axes of the motor frame and the liquid storage cylinder to coincide with the axis of the gathering and conveying pipeline, the centering devices are arranged at the outer parts of the motor frame and the liquid storage cylinder through centering wheel mounting seats, each centering device comprises a rod body, a wheel seat and a roller wheel, one end of each rod body is connected with the corresponding centering wheel mounting seat, the wheel seats are arranged at the free end positions of the rod bodies, the wheel seats are provided with the roller wheels, wheel surfaces of the roller wheels are in contact with the inner wall of the gathering and conveying pipeline, a bearing seat is arranged between the motor frame and an output shaft of a speed reducing motor and used for ensuring the independent rotation between the motor frame and a fixing; the sealing cover is provided with a traction seat, the traction seat is connected with a traction rod, the traction rod and the traction seat independently rotate, and the traction rod is used for applying traction force to the sealing cover to drive the film coating device to slowly advance in the gathering and conveying pipeline.
As a further scheme of the invention: the rod body is inserted into the centering wheel mounting seat and is movably matched with the centering wheel mounting seat, a spring is sleeved outside the rod body, and two ends of the spring are respectively abutted to the centering wheel mounting seat and the wheel seat.
As a still further scheme of the invention: the outside of motor frame is fixed with a plurality of and hangs the knot for carry on spacingly to transfer line and gear motor's power cord.
As a still further scheme of the invention: the coating pad is made of elastic materials, the cross section of the coating pad is in a right trapezoid shape, and the maximum diameter position of the coating pad is in interference fit with the inner wall of the gathering and transportation pipeline.
As a still further scheme of the invention: the gear motor is a double-shaft motor, one output shaft is used for driving the liquid storage cylinder and the fixing frame to rotate, the other output shaft is provided with fan blades, and the motor frame is of a hollow structure.
As a still further scheme of the invention: the spray head is connected with the liquid storage cylinder through a pipeline, and a pressure release valve is arranged on the section of pipeline.
As a still further scheme of the invention: the traction rod is replaced by a traction rope or a traction belt.
Compared with the prior art, the invention has the beneficial effects that: the rotary spray head and the coating pad are matched with each other to carry out spraying first and then uniformly coating, the defect of nonuniform brushing in the background technology is overcome, the automation of the whole coating process can be realized, and the design of the double-shaft motor is convenient for drying and film forming of the corrosion inhibitor.
Drawings
Fig. 1 is a schematic structural diagram of a corrosion inhibitor coating device for a natural gas gathering and transportation pipeline.
Fig. 2 is a schematic structural diagram of a centering device in a corrosion inhibitor coating device of a natural gas gathering and transportation pipeline.
FIG. 3 is a schematic diagram showing the distribution of centering devices in a corrosion inhibitor coating device for a natural gas gathering and transportation pipeline.
Fig. 4 is a schematic structural diagram of a coating pad in a corrosion inhibitor coating device of a natural gas gathering and transportation pipeline.
In the figure: 1-gathering and conveying pipeline, 2-traction rod, 3-traction seat, 4-sealing cover, 5-spray head, 6-hanging buckle, 7-centering wheel mounting seat, 8-centering device, 9-liquid storage cylinder, 10-liquid storage cavity, 11-joint, 12-liquid conveying pipe, 13-fixing frame, 14-coating pad, 15-motor frame, 16-speed reducing motor, 17-bearing, 18-rod body, 19-spring, 20-wheel seat and 21-roller.
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 4, in the embodiment of the present invention, a corrosion inhibitor coating apparatus for a natural gas gathering and transportation pipeline includes a sealing cover 4, a liquid storage cylinder 9, a joint 11, a liquid transportation pipe 12, a fixing frame 13, a motor frame 15, and a speed reduction motor 16, the sealing cover 4 is hermetically fitted at an opening of an end portion of the liquid storage cylinder 9 having a liquid storage cavity 10, a side edge of the sealing cover 4 has a taper, a plurality of nozzles 5 are installed at two side positions of the sealing cover 4, a liquid spraying direction of the nozzles 5 faces an inner wall of the gathering and transportation pipeline 1, one side position of the liquid storage cylinder 9 is connected with the liquid transportation pipe 12 through the joint 11, the liquid transportation pipe 12 is connected with an external storage apparatus for storing a corrosion inhibitor, a pump body is installed on the liquid transportation pipe 12 for pumping the corrosion inhibitor into the liquid storage cylinder 9 at a certain pressure, an end portion of the liquid storage cylinder 9 is fixedly connected with, the spray head 5 can rotate outwards under the action of centrifugal force to spray corrosion inhibitor to the inner wall of the gathering and transportation pipeline 1, a disc-shaped fixing frame 13 is also fixedly installed on an output shaft of a speed reducing motor 16, a circle of coating pad 14 is fixed on the outer circumference of the fixing frame 13, the surface of the coating pad 14 is contacted with the inner wall of the gathering and transportation pipeline 1, after the spray head 5 sprays liquid in one step, the corrosion inhibitor is attached to the inner wall of the gathering and transportation pipeline 1, then the corrosion inhibitor is uniformly sprayed on the inner wall of the gathering and transportation pipeline 1 under the action of the rotating coating pad 14, even if the corrosion inhibitor is supported in the gathering and transportation pipeline 1 under the action of gravity, the coating pad 14 still can uniformly coat the corrosion inhibitor, the speed reducing motor 16 is installed in a motor frame 15, a plurality of centering devices 8 for ensuring that the axes of the motor frame 15 and the liquid storage cylinder 9 coincide with the axis of the gathering and transportation pipeline 1 are arranged outside, centring means 8 installs in the outside of motor frame 15 and liquid storage cylinder 9 through centering wheel mount pad 7, installs bearing frame 17 between motor frame 15 and the 16 output shafts of gear motor for guarantee the independent rotation between motor frame 15 and the mount 13, gear motor 16 passes through wire and power and control switch electric connection.
The sealing cover 4 is provided with a traction seat 3, the traction seat 3 is connected with the traction rod 2, the traction rod 2 and the traction seat 3 independently rotate, and the traction rod 2 is used for applying traction force to the sealing cover 4 to drive the film coating device to slowly advance in the gathering and conveying pipeline 1.
The centering device 8 comprises a rod body 18, a wheel seat 20 and a roller 21, one end of the rod body 18 is connected with the centering wheel installation seat 7, the wheel seat 20 is installed at the free end position of the rod body 18, the roller 21 with a wheel surface contacting with the inner wall of the gathering and transportation pipeline 1 is installed on the wheel seat 20, the centering device 8 can support the motor frame 15 and the liquid storage cylinder 9, and the whole film coating device is guaranteed to be located on the axis position of the gathering and transportation pipeline 1.
The rod body 18 is inserted into the centering wheel mounting seat 7 and movably matched with the centering wheel mounting seat, a spring 19 is sleeved outside the rod body 18, and two ends of the spring 19 are respectively abutted to the centering wheel mounting seat 7 and the wheel seat 20, so that the roller 21 has a certain adjusting allowance under the action of the spring 19.
The outside of the motor frame 15 is fixed with a plurality of hanging buckles 6 for limiting the power lines of the infusion tube 12 and the speed reduction motor 16 and ensuring the convenience of wiring.
The coating pad 14 is made of elastic materials, the cross section of the coating pad 14 is in a right trapezoid shape, and the position with the largest diameter of the coating pad 14 is in interference fit with the inner wall of the gathering and transportation pipeline 1, so that redundant or excessive corrosion inhibitors can be conveniently gathered, and the coating can be carried out on the gathering and transportation pipeline 1 without being covered by the corrosion inhibitors.
The speed reducing motor 16 is a double-shaft motor, one output shaft is used for driving the liquid storage cylinder 9 and the fixing frame 13 to rotate, the other output shaft is provided with fan blades, and the motor frame 15 is of a hollow structure and can synchronously generate wind power during film coating so as to facilitate drying and film forming of the corrosion inhibitor.
The spray head 5 is connected with the liquid storage cylinder 9 through a pipeline, and the pipeline is provided with a pressure release valve, so that automatic liquid spraying can be performed only after the pressure of the corrosion inhibitor in the liquid storage cavity 10 reaches a certain degree, and the waste of the corrosion inhibitor is reduced.
The traction rod 2 can also be replaced by a traction rope or a traction belt.
The working principle of the invention is as follows: when the corrosion inhibitor spraying device works, the speed reducing motor 16 drives the liquid storage cylinder 9 and the sealing cover 4 to rotate, the liquid conveying pipe 12 inputs a corrosion inhibitor into the liquid storage cylinder 9, the spray head 5 can outwards rotate under the action of centrifugal force to spray the corrosion inhibitor to the inner wall of the gathering and conveying pipeline 1, after the spray head 5 sprays liquid in one step, the corrosion inhibitor can be attached to the inner wall of the gathering and conveying pipeline 1, then the corrosion inhibitor is uniformly sprayed on the inner wall of the gathering and conveying pipeline 1 under the action of the rotating coating pad 14, meanwhile, the traction rod 2 applies traction force to the sealing cover 4 to drive the coating device to slowly advance in the gathering and conveying pipeline 1, and the coating operation of the whole gathering and conveying pipeline 1 is.
It should be particularly noted that, in the present technical solution, the sealing cover 4, the liquid storage cylinder 9, the joint 11, the infusion tube 12, the fixing frame 13, the motor frame 15, the speed reduction motor 16, etc. are all applied in the prior art, and the mutual cooperation of the rotating nozzle 5 and the coating pad 14 is utilized to perform the first spraying and then the subsequent uniform coating, which is an innovative point of the present technical solution, and the present technical solution solves the defect of uneven brushing in the background art, and can realize the automation of the whole coating process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A corrosion inhibitor coating device for a natural gas gathering and transportation pipeline comprises a sealing cover (4), a liquid storage cylinder (9), a connector (11), a liquid conveying pipe (12), a fixing frame (13), a motor frame (15) and a speed reducing motor (16), and is characterized in that the end opening of the liquid storage cylinder (9) with a liquid storage cavity (10) is hermetically matched with the sealing cover (4), the side edge of the sealing cover (4) is provided with a taper, a plurality of spray heads (5) are arranged at the two side positions of the sealing cover (4), the liquid spraying direction of the spray heads (5) faces to the inner wall of the gathering and transportation pipeline (1), one side position of the liquid storage cylinder (9) is connected with the liquid conveying pipe (12) through the connector (11), the liquid conveying pipe (12) is connected with an external storage device for storing a corrosion inhibitor, a pump body is arranged on the liquid conveying pipe (12), the end part of the liquid storage, the output shaft of the speed reducing motor (16) is fixedly provided with a disc-shaped fixing frame (13), a circle of film coating pad (14) is fixed on the outer circumference of the fixing frame (13), the surface of the film coating pad (14) is in contact with the inner wall of the gathering and conveying pipeline (1), the speed reducing motor (16) is installed in the motor frame (15), the outer parts of the motor frame (15) and the liquid storage cylinder (9) are respectively provided with a plurality of centering devices (8) used for ensuring the axes of the motor frame and the gathering and conveying pipeline (1) to coincide with each other, the centering devices (8) are installed on the outer parts of the motor frame (15) and the liquid storage cylinder (9) through centering wheel installation seats (7), each centering device (8) comprises a rod body (18), a wheel seat (20) and rollers (21), one end of the rod body (18) is connected with the centering wheel installation seats (7), the wheel seats (20) are installed at the free end positions of the rod body (18), and rollers (21) in contact with the inner wall of the wheel surface and the gathering and, a bearing seat (17) is arranged between the motor frame (15) and an output shaft of the speed reducing motor (16) and used for ensuring the independent rotation between the motor frame (15) and the fixed frame (13), and the speed reducing motor (16) is electrically connected with a power supply and a control switch through a lead; install on sealed lid (4) and pull seat (3), pull seat (3) are connected with traction lever (2), and rotate independently between traction lever (2) and the traction seat (3), traction lever (2) are used for applying traction force to sealed lid (4), drive the device of filming and advance slowly in gathering defeated pipeline (1), gear motor (16) are the biax motor, and one of them output shaft is used for driving liquid storage cylinder (9) and mount (13) to rotate, and the flabellum is installed to another output shaft, and motor frame (15) are hollow out construction.
2. The corrosion inhibitor coating device for the natural gas gathering and transportation pipeline according to claim 1, wherein the rod body (18) is inserted into and movably matched with the centering wheel mounting seat (7), a spring (19) is sleeved outside the rod body (18), and two ends of the spring (19) are respectively abutted against the centering wheel mounting seat (7) and the wheel seat (20).
3. The natural gas gathering and transportation pipeline corrosion inhibitor coating device according to claim 2, wherein a plurality of hanging buckles (6) are fixed outside the motor frame (15) and used for limiting the power lines of the infusion tube (12) and the speed reduction motor (16).
4. The corrosion inhibitor coating device for the natural gas gathering and transportation pipeline as claimed in claim 3, wherein the coating pad (14) is made of elastic material, the cross section of the coating pad (14) is in a right trapezoid shape, and the maximum diameter position of the coating pad (14) is in interference fit with the inner wall of the gathering and transportation pipeline (1).
5. The natural gas gathering pipeline corrosion inhibitor coating device according to claim 4, wherein the spray head (5) is connected with the liquid storage cylinder (9) through a pipeline, and the section of pipeline is provided with a pressure relief valve.
6. The natural gas gathering and transportation pipeline corrosion inhibitor coating device as claimed in claim 5, wherein the traction rod (2) is replaced by a traction rope or a traction belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335570.4A CN108580073B (en) | 2018-04-16 | 2018-04-16 | Corrosion inhibitor coating device for natural gas gathering and transportation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335570.4A CN108580073B (en) | 2018-04-16 | 2018-04-16 | Corrosion inhibitor coating device for natural gas gathering and transportation pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108580073A CN108580073A (en) | 2018-09-28 |
| CN108580073B true CN108580073B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810335570.4A Active CN108580073B (en) | 2018-04-16 | 2018-04-16 | Corrosion inhibitor coating device for natural gas gathering and transportation pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110052351A (en) * | 2019-06-13 | 2019-07-26 | 卢保明 | A kind of self-propelled bulk cement carrier cylinder reparation spray-painting plant |
| CN110961294A (en) * | 2019-11-30 | 2020-04-07 | 江苏旭正信息科技有限公司 | Equipment suitable for spraying paint inside rubber pipeline |
| CN112317207B (en) * | 2020-10-23 | 2022-05-27 | 沧州汇众管道制造有限公司 | Pipeline spraying equipment for machining with uniform thickness |
| CN112742640B (en) * | 2021-01-12 | 2022-06-17 | 山东惟德再制造科技有限公司 | Rust-proof agent obliterator for inner wall of steel pipe for rust-proof engineering |
| CN113231228B (en) * | 2021-05-11 | 2022-05-10 | 七台河三聚隆鹏新能源有限责任公司 | Natural gas gathering and transportation pipeline corrosion inhibitor coating device and coating process |
| CN113578681B (en) * | 2021-08-17 | 2022-12-13 | 江苏河海给排水成套设备有限公司 | Corrosion inhibitor coating device capable of cleaning inner wall of pipeline for water supply and drainage engineering |
| CN114260125A (en) * | 2021-11-25 | 2022-04-01 | 江苏杰瑞钢结构有限公司 | Petroleum pipeline painting device for full-automatic spraying of protective film coating |
| CN114682418B (en) * | 2022-03-23 | 2023-04-07 | 长江生态环保集团有限公司 | Pipeline centrifugal spraying and building equipment and spraying and building method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529870Y (en) * | 2002-01-31 | 2003-01-08 | 周建军 | Novel prilling spray |
| KR20080006798A (en) * | 2006-07-13 | 2008-01-17 | 덕원산업개발주식회사 | Centering device have function as cleaning and painting inside of pipe |
| CN204339521U (en) * | 2014-12-18 | 2015-05-20 | 重庆市亚核保温材料股份有限公司 | A kind of integral type derusting anti-corrosive coating unit for inner-walls of duct |
| CN107583827A (en) * | 2017-09-21 | 2018-01-16 | 西安聚投未来网络科技有限公司 | A kind of petroleum pipeline for possessing double layer anticorrosive structure |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529870Y (en) * | 2002-01-31 | 2003-01-08 | 周建军 | Novel prilling spray |
| KR20080006798A (en) * | 2006-07-13 | 2008-01-17 | 덕원산업개발주식회사 | Centering device have function as cleaning and painting inside of pipe |
| CN204339521U (en) * | 2014-12-18 | 2015-05-20 | 重庆市亚核保温材料股份有限公司 | A kind of integral type derusting anti-corrosive coating unit for inner-walls of duct |
| CN107583827A (en) * | 2017-09-21 | 2018-01-16 | 西安聚投未来网络科技有限公司 | A kind of petroleum pipeline for possessing double layer anticorrosive structure |
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| CN108580073A (en) | 2018-09-28 |
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Application publication date: 20180928 Assignee: LIANSHUI COUNTY SUHANG TECHNOLOGY Co.,Ltd. Assignor: HUAIAN ZHIPIN ENTERPRISE MANAGEMENT Co.,Ltd. Contract record no.: X2021980014138 Denomination of invention: A corrosion inhibitor coating device for natural gas gathering and transmission pipeline Granted publication date: 20200710 License type: Common License Record date: 20211209 |