CN113198804B - Method and apparatus for cleaning inner wall of slender pipeline by inert gas ionization - Google Patents
Method and apparatus for cleaning inner wall of slender pipeline by inert gas ionization Download PDFInfo
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- CN113198804B CN113198804B CN202110479078.6A CN202110479078A CN113198804B CN 113198804 B CN113198804 B CN 113198804B CN 202110479078 A CN202110479078 A CN 202110479078A CN 113198804 B CN113198804 B CN 113198804B
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention provides a method and a device for cleaning the inner wall of a slender pipeline by utilizing inert gas ionization, aiming at the problems of a cleaning method before coating the inner wall of the slender pipeline in the prior art, and belongs to the technical field of material surface processing. The method comprises the following steps: 1) Taking the slender pipeline cleaned by a physical and/or chemical method, connecting the upper end or the upper end and the lower end of the slender pipeline with a vacuum pump through an air pipe, connecting the lower end of the slender pipeline with a sundry chip storage unit, and connecting the upper end and the lower end of the slender pipeline with an alternating current power supply through electric wires; 2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline; 3) Placing the slender pipeline in a protective cover, and introducing cooling water into the protective cover; and starting an alternating current power supply, electrifying the pipeline and cleaning the inner wall. The method of the invention is simple and convenient, has good cleaning effect and simple device structure, and can effectively clean the inner wall of the slender pipe, especially the slender elbow pipe by using ionized inert gas.
Description
Technical Field
The invention belongs to the technical field of material surface processing, and particularly relates to a method and a device for cleaning the inner wall of a slender pipeline.
Background
In recent years, the development of coating techniques such as magnetron sputtering and the like has increased the demand for coating products, such as petroleum pipelines, chemical pipelines, and artillery tubes in the military field. For the coating technology, whether cleaning is carried out before or after coating determines the quality of the membrane-base binding force, and plays a key role in the durability, corrosion resistance, strengthening and the like of the pipeline. The present technology is convenient for cleaning the pipeline with plane or curved surface and large caliber, and has diversified forms, but the cleaning device and method based on the slender pipe, especially the complex pipe fitting with bending are rare, which makes the cleaning of the slender pipe or the complex bending pipe become a problem.
Disclosure of Invention
Aiming at the problems existing in the cleaning method before the coating of the inner wall of the slender pipeline in the prior art, the invention provides a method and a device for cleaning the inner wall of the slender pipeline by utilizing the ionization of inert gas. The device has simple structure and can effectively clean the inner wall of the slender pipe, especially the slender bent pipe by using ionized inert gas.
One of the technical schemes of the invention is that the method for cleaning the inner wall of the slender pipeline by utilizing the ionization of inert gas comprises the following steps:
1) The slender pipeline cleaned by a physical and/or chemical method is taken and placed vertically or obliquely, the upper end or the upper end and the lower end are connected with a vacuum pump through an air pipe, the lower end is connected with a sundry chip storage unit, and the upper end and the lower end are connected with an alternating current power supply through electric wires;
2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline;
3) Placing the slender pipeline in a protective cover, and introducing cooling water into the protective cover;
when the slender pipeline is a straight pipe which is vertically arranged, an alternating current power supply is started to electrify the pipeline, and the waveform of the alternating current is constantly changed; when the slender pipeline is a straight pipe or an elbow pipe which is obliquely arranged, the straight pipe or the elbow pipe is rotated, then an alternating current power supply is started, the pipeline is electrified, and the alternating current waveform is continuously changed;
because the slender pipeline is introduced with positive and negative alternating currents in different directions, argon is ionized, and the tube is filled with Ar + And e - The secondary electrons also become high-energy electrons, and the secondary electrons continuously collide with Ar atoms to generate ionization, so that more Ar atoms are continuously generated + Ions and secondary electrons, and the direction of the current is changed continuously, so that the ions are continuously drivenSputtering the inner wall of the pipe fitting to remove impurities on the inner wall of the slender pipeline;
4) And after the cleaning is finished, turning off the power supply, deflating and taking down the sundry chip storage unit.
Further, in the method for cleaning the inner wall of the slender pipeline, in the step 2), the slender pipeline is vacuumized until the pressure in the pipeline is 2~6 × 10 -1 Pa, introducing argon into the slender pipeline until the pressure in the pipeline is 1~5 multiplied by 10 -1 Pa。
Further, in the method for cleaning the inner wall of the slender pipeline, in the step 3), the voltage of the alternating current is 5 to 30V, the frequency of the alternating current is 50 to 500Hz, and the waveform of the alternating current is arbitrary.
Further, in the method for cleaning the inner wall of the slender pipeline, in the step 3), before the pipeline is electrified, the electromagnetic coil is sleeved outside the slender pipeline, and after the electromagnetic coil is electrified, the slender pipeline is slowly moved back and forth along the pipeline.
Further, in the method for cleaning the inner wall of the slender pipeline, the moving speed of the electromagnetic coil is 1 to 5cm/min.
The second technical scheme of the invention is that the device for cleaning the inner wall of the slender pipeline by utilizing the inert gas ionization is used for the cleaning method and comprises an insulating protective cover, a lower bracket, a sundry chip storage unit, a pipeline upper end sealing connecting assembly and an upper air pipe;
the interior of the insulating protective cover is a cavity, and cooling water is introduced into the interior of the insulating protective cover; the lower support, the sundry chip storage device and the pipeline upper end sealing connecting assembly are positioned in the insulating protective cover, the pipeline lower end sealing connecting assembly is arranged on the lower support, the sundry chip storage unit is opened at the pipeline lower end sealing connecting assembly, one end of the upper air pipe is provided with an upper air pipe switch, the other end of the upper air pipe is opened at the pipeline upper end sealing connecting assembly, the upper air pipe is respectively connected with the vacuum pump and the inert gas cylinder through the pipeline, and the pipeline upper end sealing connecting assembly and the pipeline lower end sealing connecting assembly are respectively connected with two ends of the slender pipeline in a sealing manner; two ends of the slender pipeline are respectively and electrically connected with an alternating current power supply through electric wires.
Further, in the device for cleaning the inner wall of the long and thin pipeline, the sundry chip storage unit is a cylinder with a valve at the bottom.
Further, in the device for cleaning the inner wall of the slender pipeline, the pipeline lower end sealing and connecting assembly and the pipeline upper end sealing and connecting assembly are sealing flanges or discs with sealing sleeves.
Further, in the device for cleaning the inner wall of the slender pipeline, the lower support is a rotary support.
Further, in the device for cleaning the inner wall of the slender pipeline, the top end of the lower support is provided with a circular ring with a support motor and a rotating track, the track is fixedly connected with the pipeline lower end sealing connection assembly, and the lower end of the pipeline lower end sealing connection assembly is connected with the support motor; or the top end of the lower support is a disc with a support motor and a rotating track, the lower surface of the disc is connected with the support motor, the upper surface of the disc is fixedly connected with the pipeline lower end sealing connection assembly, and the disc is provided with a plurality of holes corresponding to the pipeline lower end sealing connection assembly.
Furthermore, in the device for cleaning the inner wall of the slender pipeline, the included angle between the lower support and the horizontal plane is 0 to 45 degrees.
Further, in the above device for cleaning the inner wall of the elongated pipeline, the two ends of the elongated pipeline are electrically connected to the ac power supply through the electric wires respectively in the following manner: two ends of the slender pipeline are respectively sleeved with a fixed circular ring, the circular rings are provided with grooves, and one end of the electric wire is clamped into the grooves by using clamping rings.
Furthermore, the device for cleaning the inner wall of the slender pipeline is also provided with an upper bracket; the top end of the upper support is provided with a circular ring with a motor and a rotating track, the track is fixedly connected with the pipeline upper end sealing connection assembly, and the upper end of the pipeline upper end sealing connection assembly is connected with the motor; or the top end of the upper support is a disc with a motor and a rotating track, the upper surface of the disc is connected with the motor, the lower surface of the disc is fixedly connected with the pipeline upper end sealing connection assembly, and a plurality of holes corresponding to the pipeline upper end sealing connection assembly are formed in the disc; the included angle between the upper bracket and the horizontal plane is 0 to 45 degrees.
Furthermore, the device for cleaning the inner wall of the slender pipeline is also provided with a lower air pipe, one end of the lower air pipe is provided with a switch, and the other end of the lower air pipe is opened at the lower end of the pipeline for sealing and connecting the assembly.
Furthermore, the device for cleaning the inner wall of the slender pipeline is also provided with a magnetic field assembly, the magnetic field assembly is composed of a track support and an electromagnetic coil sleeved outside the slender pipeline, two ends of the track support are respectively connected with the pipeline lower end sealing connection assembly and the pipeline upper end sealing connection assembly, pulleys are arranged at two ends of the track support, a track motor is arranged on each pulley, a sliding guide rail is sleeved on each pulley, the electromagnetic coil is arranged on the sliding guide rail, and the electromagnetic coil is connected with a power supply through an electric wire.
Compared with the prior art, the invention has the advantages that:
1. the invention realizes the efficient cleaning of oxides or impurities on the inner wall of the slender bent pipe, and solves the technical problem that the existing various bent pipe inner wall cleaning technologies cannot realize the efficient cleaning of the inner wall of the slender pipe with high bending radian.
2. The invention can clean the inner walls of various complex pipelines, provides preparation for subsequent coating, and has good uniformity and associativity in the thickness of a subsequent coating film.
3. The invention has strong adaptability and high universality, can clean oxides or impurities on the inner wall surfaces of different materials, and is suitable for various metal materials to meet different requirements; meanwhile, the large-diameter inner wall is also cleaned with high efficiency, and the requirements of various fields are met.
4. The invention adopts different power supplies for different pipelines and carries out different frequencies for impurities with different thicknesses, and the method is simple and has good controllability.
Drawings
FIG. 1 is a schematic view of the apparatus of example 1;
FIG. 2 is a plan view of the top end of the lower holder in example 1;
FIG. 3 is a sectional view of the fixing ring in example 1;
FIG. 4 is a schematic view of a magnetic field assembly in example 2;
the device comprises an insulating protective cover 1, an insulating protective cover 2, a lower support 3, a sundry storage unit 4, a long and thin pipeline 5, an upper air pipe 6, a lower air pipe 7, an upper support 8, a rail support 21, a pipeline lower end sealing connecting assembly 22, a ring 23, a support motor 24, the top end of the lower support 25, a rotating rail 51, an upper air pipe switch 61, a lower air pipe switch 41, a fixed ring 42, a groove 43, a clamping ring 71, the top end of the upper support 81, an electromagnetic coil 82, a pulley 83, a rail motor 84 and a sliding guide rail.
Detailed Description
Example 1
A device for cleaning the inner wall of a slender pipeline by utilizing inert gas ionization comprises an insulating protective cover 1, a lower support 2, a sundry chip storage unit 3, a pipeline upper end sealing and connecting assembly, an upper air pipe 5, a lower air pipe 6 and an upper support 7;
the interior of the insulating protective cover 1 is a cavity, and cooling water is introduced into the interior; the lower support, the sundry chip storage device, the pipeline upper end sealing connection assembly, the upper air pipe, the lower air pipe and the upper support are positioned in the insulating protection cover, the lower support is a rotary support, an included angle between the lower support and the horizontal plane is 0 to 45 degrees, a pipeline lower end sealing connection assembly 21 is arranged on the lower support, a top end 24 of the lower support is a circular ring 22 with a support motor 23 and a rotary track 25, the track is fixedly connected with the pipeline lower end sealing connection assembly, the lower end of the pipeline lower end sealing connection assembly is connected with the support motor 23, or the top end of the lower support is a circular disc with a rotary track, the lower surface of the circular disc is connected with the support motor, a plurality of holes corresponding to the pipeline lower end sealing connection assembly are formed in the circular disc, and the upper surface of the circular disc is fixedly connected with the pipeline lower end sealing connection assembly; the sundry chip storage unit 3 is a cylinder with a valve at the bottom, the sundry chip storage unit is opened at the lower end of a pipeline in a sealing connection assembly, one end of an upper air pipe is provided with an upper air pipe switch 51, the other end of the upper air pipe is opened at the upper end of the pipeline in the sealing connection assembly, the upper air pipe is respectively connected with a vacuum pump and an inert gas cylinder through a pipeline, one end of a lower air pipe 6 is provided with a lower air pipe switch 61, the other end of the lower air pipe is opened at the lower end of the pipeline in the sealing connection assembly, and the lower air pipe is respectively connected with the vacuum pump and the inert gas cylinder through pipelines; the lower end sealing connection assembly and the pipeline upper end sealing connection assembly are sealing flanges or discs with sealing sleeves and are respectively in sealing connection with two ends of the slender pipeline; the top end 71 of the upper support is a circular ring with a motor and a rotating track, the track is fixedly connected with the pipeline upper end sealing connection assembly, and the upper end of the pipeline upper end sealing connection assembly is connected with the motor; or the top end of the upper support is a disc with a motor and a rotating track, the upper surface of the disc is connected with the motor, a plurality of holes are formed in the disc, the lower surface of the disc is fixedly connected with the pipeline upper end sealing connection assembly, in the embodiment, the top end of the upper support is a ring with the motor and the rotating track, and the included angle between the upper support and the horizontal plane is 0 to 45 degrees; the two ends of the slender pipeline 4 are respectively and electrically connected with an alternating current power supply through electric wires, namely: two ends of the slender pipeline are respectively sleeved with a fixed circular ring 41, a groove 42 is arranged on the circular ring, and one end of the electric wire is clamped into the groove by a clamping ring 43.
Example 2
An apparatus for cleaning the inner wall of an elongated pipe, similar to the apparatus of example 1, further comprising a magnetic field assembly: the pipeline electromagnetic device is composed of a track support 8 and an electromagnetic coil 81 sleeved outside a pipeline, wherein two ends of the track support are respectively connected with an upper support 7 and a lower support 2, two ends of the track support are provided with pulleys 82, a track motor 83 is arranged on the pulleys, a sliding guide rail 84 is sleeved on the pulleys, the electromagnetic coil is arranged on the sliding guide rail 84, and the electromagnetic coil is connected with a power supply through an electric wire.
Example 3
A method of cleaning the inner wall of an elongated tube by inert gas ionization using the apparatus of example 1 comprising the steps of:
1) Taking a slender pipeline cleaned by a chemical method, vertically or obliquely placing the slender pipeline, wherein the upper end or the upper end and the lower end of the slender pipeline are connected with a vacuum pump through an air pipe, the lower end of the slender pipeline is connected with a sundry chip storage unit, and two ends of the slender pipeline are connected with an alternating current power supply through electric wires;
2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline; wherein, the slender pipeline is vacuumized until the pressure in the pipeline is 2 multiplied by 10 -1 Pa, introducing argon into the slender pipeline until the pressure in the pipeline is 1 multiplied by 10 -1 Pa；
3) Placing the slender pipeline in a protective cover, and introducing cooling water into the protective cover, wherein the voltage of alternating current is 5V, the frequency of the alternating current is 500Hz, and the waveform of the alternating current is random;
when the slender pipeline is a straight pipe which is vertically arranged, an alternating current power supply is started and electrified;
when the slender pipeline is a straight pipe or an inclined pipe which is obliquely arranged, the straight pipe or the inclined pipe is rotated, then an alternating current power supply is started, and the straight pipe or the inclined pipe is electrified;
because the slender pipeline is introduced with positive and negative alternating currents in different directions, argon is ionized, and the tube is filled with Ar + And e - The secondary electrons also become high-energy electrons, and the secondary electrons continuously collide with Ar atoms to generate ionization, so that more Ar atoms are continuously generated + Ions and secondary electrons, and because the current direction is changed continuously, the ions are sputtered to the inner wall of the pipe fitting continuously, and further impurities on the inner wall of the slender pipeline are removed;
4) Cleaning for 5min, and turning off the power supply, deflating and taking down the sundry chip storage unit after cleaning.
After the interior is cleaned by the method, the subsequent coating film has good uniformity and binding property.
Example 4
A method of cleaning the inner wall of an elongated tube by inert gas ionization using the apparatus of example 2 comprising the steps of:
1) The method comprises the following steps of (1) taking a long and thin pipeline cleaned by a physical and/or chemical method, vertically or obliquely placing the pipeline, connecting the upper end or the upper end and the lower end of the pipeline with a vacuum pump through an air pipe, connecting the lower end of the pipeline with a sundry chip storage unit, and connecting the two ends of the pipeline with an alternating current power supply through electric wires;
2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline; wherein, the slender pipeline is vacuumized until the pressure in the pipeline is 6 multiplied by 10 -1 Pa, introducing argon into the slender pipeline until the pressure in the pipeline is 5 multiplied by 10 -1 Pa；
3) Placing the long and thin pipeline in a protective cover, introducing cooling water into the protective cover, sleeving an electromagnetic coil outside the long and thin pipeline, and slowly moving the electromagnetic coil back and forth along the pipeline after the electromagnetic coil is electrified, wherein the moving speed of the electromagnetic coil is 1cm/min;
when the slender pipeline is a straight pipe which is vertically arranged, an alternating current power supply is started to be electrified; when the slender pipeline is a straight pipe or an inclined pipe which is obliquely arranged, the straight pipe or the inclined pipe is rotated, and then an alternating current power supply is started to be electrified; the voltage of the alternating current is 30V, the frequency of the alternating current is 50Hz, and the waveform of the alternating current is random;
because the slender pipeline is introduced with positive and negative alternating currents in different directions, the argon is ionized, and the tube is filled with Ar + And e - The secondary electrons also become high-energy electrons, and the secondary electrons continuously collide with Ar atoms to generate ionization, so that more Ar atoms are continuously generated + Ions and secondary electrons, and because the current direction is changed continuously, the ions are sputtered to the inner wall of the pipe fitting continuously, and further impurities on the inner wall of the slender pipeline are removed;
4) And (4) cleaning for 20min and 5min, and after cleaning is finished, turning off a power supply, deflating, and taking down the magnetic field assembly and the sundry chip storage unit.
After the detection, the subsequent coating film has good uniformity and associativity after the interior is cleaned by the method.
Example 5
A method of cleaning the inner wall of an elongated tube by inert gas ionization using the apparatus of example 2 comprising the steps of:
1) The method comprises the following steps of (1) taking a long and thin pipeline cleaned by a physical and/or chemical method, vertically or obliquely placing the pipeline, connecting the upper end or the upper end and the lower end of the pipeline with a vacuum pump through an air pipe, connecting the lower end of the pipeline with a sundry chip storage unit, and connecting the two ends of the pipeline with an alternating current power supply through electric wires;
2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline; wherein, the slender pipeline is vacuumized until the pressure in the pipeline is 3.5 multiplied by 10 -1 Pa, introducing argon into the slender pipelineThe pressure in the pipeline is 2.5 multiplied by 10 -1 Pa；
3) Placing the long and thin pipeline in a protective cover, introducing cooling water into the protective cover, sleeving an electromagnetic coil outside the long and thin pipeline, and slowly moving the electromagnetic coil back and forth along the pipeline after electrifying, wherein the moving speed of the electromagnetic coil is 5cm/min;
when the slender pipeline is a straight pipe which is vertically arranged, an alternating current power supply is started to be electrified; when the slender pipeline is a straight pipe or an inclined pipe which is obliquely arranged, the straight pipe or the inclined pipe is rotated, and then an alternating current power supply is started to be electrified; the voltage of the alternating current is 20V, the frequency of the alternating current is 300Hz, and the waveform of the alternating current is random;
because the slender pipeline is introduced with positive and negative alternating currents in different directions, the argon is ionized, and the tube is filled with Ar + And e - The secondary electrons also become high-energy electrons, and the secondary electrons continuously collide with Ar atoms to generate ionization, so that more Ar atoms are continuously generated + Ions and secondary electrons, and because the current direction is changed continuously, the ions are sputtered to the inner wall of the pipe fitting continuously, and further impurities on the inner wall of the slender pipeline are removed;
4) And cleaning for 30min, and after cleaning is finished, turning off a power supply, deflating, and taking down the magnetic field assembly and the sundry chip storage unit.
After the detection, the subsequent coating film has good uniformity and associativity after the interior is cleaned by the method.
Claims (9)
1. A method for cleaning the inner wall of an elongated tube by inert gas ionization, comprising the steps of:
1) The slender pipeline cleaned by physical and/or chemical methods is vertically or obliquely arranged, the upper end or the upper end and the lower end are connected with a vacuum pump through an air pipe, the lower end is connected with a sundry chip storage unit, and the upper end and the lower end are connected with an alternating current power supply through electric wires;
2) Vacuumizing the slender pipeline, introducing argon into the slender pipeline, and then closing two ends of the pipeline;
3) Placing the slender pipeline in a protective cover, and introducing cooling water into the protective cover;
before the pipeline is electrified, an electromagnetic coil is sleeved outside the slender pipeline, and the electromagnetic coil slowly moves back and forth along the pipeline after being electrified;
when the slender pipeline is a straight pipe which is vertically arranged, an alternating current power supply is started to electrify the pipeline, and the waveform of the alternating current is constantly changed; when the slender pipeline is a straight pipe or an elbow pipe which is obliquely arranged, the straight pipe or the elbow pipe is rotated, then an alternating current power supply is started, the pipeline is electrified, and the alternating current waveform is continuously changed;
because the slender pipeline is introduced with positive and negative alternating currents in different directions, argon is ionized, and the tube is filled with Ar + And e - The secondary electrons also become high-energy electrons, and the secondary electrons continuously collide with Ar atoms to generate ionization, so that more Ar atoms are continuously generated + Ions and secondary electrons, and because the current direction is changed continuously, the ions are sputtered to the inner wall of the pipe fitting continuously, and then impurities on the inner wall of the slender pipeline are removed.
2. The method for cleaning inner wall of elongated pipeline by using inert gas ionization according to claim 1, wherein in the step 2), the elongated pipeline is vacuumized to the pressure in the pipeline of 2~6 x 10 -1 Pa, introducing argon into the slender pipeline until the pressure in the pipeline is 1~5 multiplied by 10 -1 Pa。
3. The method for cleaning the inner wall of the slender pipeline by using inert gas ionization as claimed in claim 1, wherein in the step 3), the voltage of the alternating current is 5 to 30V, the frequency of the alternating current is 50 to 500Hz, and the waveform of the alternating current is arbitrary.
4. An apparatus for cleaning the inner wall of a slender pipeline by using inert gas ionization as claimed in claim 1~3, which is characterized by comprising an insulating protective cover, a lower bracket, a sundry chip storage unit, a pipeline upper end sealing connecting assembly and an upper air pipe;
the interior of the insulating protective cover is a cavity, and cooling water is introduced into the interior of the insulating protective cover; the lower support, the impurity chip storage device and the pipeline upper end sealing connection assembly are positioned in the insulating protection cover, the pipeline lower end sealing connection assembly is arranged on the lower support, the impurity chip storage unit is opened in the pipeline lower end sealing connection assembly, one end of the upper air pipe is provided with an upper air pipe switch, the other end of the upper air pipe is opened in the pipeline upper end sealing connection assembly, the upper air pipe is respectively connected with the vacuum pump and the inert gas cylinder through pipelines, and the pipeline upper end sealing connection assembly and the pipeline lower end sealing connection assembly are respectively connected with two ends of the slender pipeline in a sealing manner; two ends of the slender pipeline are respectively electrically connected with an alternating current power supply through electric wires.
5. The apparatus for cleaning the inner wall of the elongated pipeline by using the ionization of the inert gas as claimed in claim 4, wherein the sundry chip storage unit is a cylinder with a valve at the bottom;
the pipeline lower end sealing connecting assembly and the pipeline upper end sealing connecting assembly are sealing flanges or discs with sealing sleeves;
the two ends of the slender pipeline are respectively electrically connected with an alternating current power supply through electric wires in a mode that: two ends of the slender pipeline are respectively sleeved with a fixed circular ring, the circular rings are provided with grooves, and one end of the electric wire is clamped into the grooves by using clamping rings.
6. The apparatus for cleaning the inner wall of an elongated tube by inert gas ionization according to claim 4, wherein said lower rack is a rotating rack; the top end of the lower support is provided with a circular ring with a support motor and a rotating track, the track is fixedly connected with the pipeline lower end sealing connection assembly, and the lower end of the pipeline lower end sealing connection assembly is connected with the support motor; or, the top of lower part support is for having support motor and orbital disc of rotation, and the below and the support motor of disc are connected, the higher authority and the pipeline lower extreme sealing connection subassembly fixed connection of disc, are equipped with the corresponding hole of several and pipeline lower extreme sealing connection subassembly on the disc.
7. The apparatus according to claim 4, wherein the apparatus is further provided with an upper support and a lower air tube; the top end of the upper support is a ring with a rotating track, the track is fixedly connected with the pipeline upper end sealing connection assembly, and the upper end of the pipeline upper end sealing connection assembly is connected with the motor; or the top end of the upper support is a disc with a motor and a rotating track, the upper surface of the disc is connected with the motor, the lower surface of the disc is fixedly connected with the pipeline upper end sealing connection assembly, and the disc is provided with a plurality of holes corresponding to the pipeline upper end sealing connection assembly; the included angle between the upper bracket and the horizontal plane is 0 to 45 degrees;
one end of the lower air pipe is provided with a switch, and the other end of the lower air pipe is opened at the sealing and connecting assembly at the lower end of the pipeline.
8. The device for cleaning the inner wall of the slender pipeline by using inert gas ionization as claimed in claim 4, wherein an included angle between the lower support and the horizontal plane is 0 to 45 degrees.
9. The apparatus as claimed in claim 4, wherein the apparatus further comprises a magnetic field assembly comprising a track support and a magnetic coil disposed outside the elongated tube, wherein the track support is connected at its two ends to the tube lower end sealing connection assembly and the tube upper end sealing connection assembly, the track support is provided at its two ends with pulleys, the pulleys are provided with a track motor, the pulleys are sleeved with a sliding guide rail, the magnetic coil is disposed on the sliding guide rail, and the magnetic coil is connected to a power supply via a wire.
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| CN101597750B (en) * | 2009-07-02 | 2011-11-16 | 大连理工大学 | Arc ion plating method for inner walls of deep holes |
| CN101876065A (en) * | 2010-05-25 | 2010-11-03 | 大连理工大学 | Method for modifying inner surface of slender insulating tube by utilizing plasma discharge under normal pressure |
| CN102345101B (en) * | 2010-08-04 | 2013-03-27 | 中国科学院金属研究所 | Method for plating inner surface of long tube through arc ion plating with magnetic field and electric field enhancement |
| US8753725B2 (en) * | 2011-03-11 | 2014-06-17 | Southwest Research Institute | Method for plasma immersion ion processing and depositing coatings in hollow substrates using a heated center electrode |
| CN102218422A (en) * | 2011-04-13 | 2011-10-19 | 苏州大学 | Helicon wave plasma cleaning device for cleaning pipelines |
| CN103320772B (en) * | 2013-07-04 | 2015-06-10 | 大连理工大学 | Metal inner surface modification device and method |
| CN103388129B (en) * | 2013-07-31 | 2015-07-08 | 中国科学院金属研究所 | Method for depositing thin film on inner surface of long tube by virtue of plasma enhanced chemical vapor deposition (PECVD) |
| CN103952677B (en) * | 2014-05-12 | 2016-06-22 | 北京航空航天大学 | A kind of electronics strengthens the method for plasma discharge tube inside coating |
| CN104975263A (en) * | 2015-07-28 | 2015-10-14 | 魏永强 | Multi-stage magnetic field arc ion plating and radio-frequency magnetron sputtering composite deposition method |
| CN107022742A (en) * | 2016-02-01 | 2017-08-08 | 沈阳科友真空技术有限公司 | A kind of filming equipment of high target utilization |
| CN105648424B (en) * | 2016-03-29 | 2018-08-31 | 北京航空航天大学 | A kind of device and method of hollow cathode discharge diameter metal inside pipe wall coating |
| CN208791734U (en) * | 2017-02-08 | 2019-04-26 | 王福贞 | A kind of coating machine that gas arc plasma irrigation source is set |
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