CN115415923A - Corrosion prevention process for stainless steel pipe - Google Patents
Corrosion prevention process for stainless steel pipe Download PDFInfo
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- CN115415923A CN115415923A CN202211149876.3A CN202211149876A CN115415923A CN 115415923 A CN115415923 A CN 115415923A CN 202211149876 A CN202211149876 A CN 202211149876A CN 115415923 A CN115415923 A CN 115415923A
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- stainless steel
- steel pipe
- operation panel
- fixedly connected
- passivation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a stainless steel pipe corrosion prevention process, which relates to the technical field of corrosion prevention of stainless steel pipes, and comprises the following steps: s1: firstly, cleaning a stainless steel pipe by using an acid solution; s2: polishing and grinding the outer surface of the cleaned stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device; s3: then, performing acid passivation treatment on the polished stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device; s4: and (3) placing the stainless steel pipe subjected to passivation treatment at the vent until a compact oxide film is formed on the surface of the stainless steel pipe. One end of a stainless steel pipe is placed in a first fixing ring, then a threaded rod is rotated to clamp the stainless steel pipe in cooperation with a first buffering elastic column and an arc-shaped clamping plate, then a first screw rod is driven to rotate by starting a driving motor, and the stainless steel pipe is driven to move in the horizontal direction in cooperation with the first buffering elastic column and the arc-shaped clamping plate.
Description
Technical Field
The invention relates to the technical field of corrosion prevention of stainless steel pipes, in particular to a corrosion prevention process of a stainless steel pipe.
Background
Generally speaking, stainless steel is steel which is not easily rusted, and actually a part of stainless steel has both stainless property and acid resistance (corrosion resistance) due to the formation of a chromium-rich oxide film (passivation film) on the surface thereof. The rust resistance and the corrosion resistance are opposite, tests show that the corrosion resistance of the steel is improved along with the increase of the chromium content in the steel in a weak medium such as atmosphere, water and the like and an oxidizing medium such as nitric acid and the like, and when the chromium content reaches a certain percentage, the corrosion resistance of the steel is mutated, namely, the steel is easy to rust, difficult to rust, and is not resistant to corrosion.
In the prior art, patent document CN113513659B discloses an anti-corrosion process for a stainless steel tube, in which a degreasing ring is embedded in a stainless steel tube, the degreasing ring is pushed to migrate at a high speed by means of high-temperature steam flow, and the degreasing ring and the gas are forced to be synchronously released, the degreasing liquid can be fully contacted with grease on the inner wall of the stainless steel tube, and can be well permeated under the auxiliary action of the gas, so that deep grease of the stainless steel tube can be fully extruded while the degreasing effect is improved.
The following problems exist in the prior art:
1. in the process of carrying out anticorrosive treatment on the stainless steel pipe, the outer surface of the stainless steel pipe is not polished, so that local oxidation effect is incomplete when oxidation treatment is carried out, and the anticorrosive effect of the stainless steel pipe is not ideal;
2. the process adopts a vacuum coating mode to cover the chromium film when the stainless steel pipe is subjected to oxidation treatment, the process is complex, and the coating quality cannot be guaranteed in the coating process.
Disclosure of Invention
The invention provides an anticorrosion process for a stainless steel pipe, which aims to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, a corrosion prevention process for a stainless steel pipe comprises the following steps:
s1: firstly, cleaning a stainless steel pipe by using an acid solution;
s2: polishing and grinding the outer surface of the cleaned stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device;
s3: then, carrying out acid passivation treatment on the polished stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device;
s4: and placing the stainless steel pipe subjected to passivation treatment at the vent until a compact oxide film is formed on the surface of the stainless steel pipe.
The second aspect, a corrosion-resistant machining passivation device for stainless steel pipes comprises a grinding mechanism and a passivation mechanism, the grinding mechanism comprises a first operating platform, a groove is formed in the upper surface of the first operating platform, the passivation mechanism comprises a second operating platform, the upper surface of the first operating platform is rotatably connected with a driving mechanism, a limiting component is fixedly connected with the upper surface of the first operating platform, the upper surface of the first operating platform is detachably connected with the grinding mechanism, the upper surface of the second operating platform is movably connected with a moving mechanism, and the upper surface of the second operating platform is fixedly connected with a passivation component.
The technical scheme of the invention is further improved as follows: the driving mechanism comprises a driving motor, one side of the driving motor is detachably connected with the side face of a first operation table, a first output fixedly connected with lead screw is arranged at the first output end of the driving motor, the other end of the first lead screw is rotatably connected with the inner wall of the groove, a first slide block is connected with the outer surface of the first lead screw in a threaded manner, a first fixing ring is fixedly connected with the upper surface of the first slide block, a threaded rod is connected with a first fixing ring in a threaded manner, a first connecting plate is fixedly connected with the bottom surface of the first connecting plate, a first buffering elastic column is fixedly connected with an arc clamping plate, and the first fixing ring, the threaded rod, the first connecting plate, the first buffering elastic column and the first arc clamping plate are matched to clamp and transport stainless steel pipes.
The technical scheme of the invention is further improved as follows: spacing subassembly is including solid fixed ring two, gu the fixed ring two the bottom surface is connected with the last fixed surface of operation panel one, gu the inner wall fixedly connected with fixed ring two fixed slot, the inner wall of fixed slot rotates and is connected with the live-rollers, through the cooperation of solid fixed ring two, fixed slot and live-rollers, can carry out spacing effect to nonrust steel pipe.
The technical scheme of the invention is further improved as follows: grinding machanism is including drive arrangement, drive arrangement's bottom surface is connected with the detachable upper surface of operation panel one, drive arrangement's output fixedly connected with drive gear, drive arrangement's the detachable solid three that is connected with of upper surface, gu the inner wall of solid three rotates and is connected with the drive roller, the surface of drive roller is provided with the gear train, the surface of gear train and drive gear's surface meshing are connected, and through the cooperation of drive arrangement, drive gear, solid three, drive roller and gear train, can drive the drive roller and carry out high-speed rotation.
The technical scheme of the invention is further improved as follows: the inner wall fixedly connected with pneumatic cylinder of drive roller, the detachable connecting plate two that is connected with of upper surface of pneumatic cylinder, the last fixed surface of connecting plate two is connected with the spring post, the detachable fixed plate that is connected with of upper surface of spring post, the last fixed surface of fixed plate is connected with the arc piece of polishing, and the cooperation through pneumatic cylinder, spring post and arc piece of polishing can polish the surface of nonrust steel pipe.
The technical scheme of the invention is further improved as follows: the moving mechanism is including the motor, the bottom surface of motor is connected with the detachable of upper surface of operation panel two, the output fixedly connected with lead screw two of motor, the other end of lead screw two is connected with the upper surface rotation of operation panel two, the surface rotation of lead screw two is connected with slider two, the inner wall sliding connection of slider two has the slide bar, the both ends of slide bar are connected with the upper surface fixed of operation panel two, the inboard detachable hydraulic stretching device that is connected with of slider two, hydraulic stretching device's output fixedly connected with arc grip block two, the upper surface fixed connection of operation panel two is connected with spacing roller, through the cooperation of motor, lead screw two, slide bar, two hydraulic stretching device of slider and arc grip block two, can carry out the clamping action to the stainless steel pipe to carry the steel pipe.
The technical scheme of the invention is further improved as follows: the passivation subassembly is including the mounting panel, the bottom surface of mounting panel is connected with the last fixed surface of operation panel two, the bottom surface fixedly connected with sprinkler of mounting panel, sprinkler's detachable shower nozzle that is connected with of output, sprinkler's detachable connecting pipe that is connected with of input, the bottom surface fixedly connected with liquid reserve tank of operation panel two, the collecting vat has been seted up to the upper surface of operation panel two, the inner wall fixedly connected with guide plate of collecting vat, the one end of connecting pipe extends to the inside of liquid reserve tank, the bottom surface of guide plate extends to the inside of liquid reserve tank, and through the cooperation of sprinkler, shower nozzle, connecting pipe and liquid reserve tank, can oxidize the surface of nonrust steel pipe.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides an anticorrosion process for a stainless steel pipe, which adopts the matching of a driving motor, a first screw rod, a first slide block, a threaded rod, a buffering elastic column and a first arc-shaped clamping plate.
2. The invention provides an anticorrosion process for a stainless steel pipe, which can limit the position of the stainless steel pipe through the matching of a second fixing ring, a fixing groove and a rotating roller.
3. The invention provides an anticorrosion process for a stainless steel pipe, which adopts the matching of a driving device, a driving gear, a fixing ring III, a driving roller, a gear set, a hydraulic cylinder, a spring column and an arc-shaped polishing sheet. The driving roller is driven by matching with the driving gear and the gear set to rotate at a high speed in the third fixing ring, so that the outer surface of the stainless steel pipe is conveniently polished, and the surface of the stainless steel pipe becomes smooth.
4. The invention provides an anticorrosion process for a stainless steel pipe, which adopts the matching of a motor, a screw rod II, a sliding rod, a sliding block II, a hydraulic telescopic device and an arc-shaped clamping plate II, when the stainless steel pipe needs to be passivated, the stainless steel pipe is firstly placed between the arc-shaped clamping plates II, the other side of the stainless steel pipe is placed on the upper surface of a limiting roller, then the arc-shaped clamping plates between the two sides are mutually close by starting the hydraulic telescopic device to complete the clamping of the stainless steel pipe, and then the screw rod II is driven to rotate by starting the motor to drive the stainless steel pipe to move in the horizontal direction under a spray head by matching with the sliding rod, the sliding block II and the hydraulic telescopic device.
5. The invention provides an anticorrosion process for a stainless steel pipe, which adopts the matching of a spraying device, a spray head, a connecting pipe and a liquid storage tank, pumps oxidation liquid in the liquid storage tank into the spray head by starting the spray head, and then sprays the outer surface of the stainless steel pipe by the connecting pipe so as to carry out oxidation reaction with the outer surface of the stainless steel pipe, thereby forming a chromium oxide protective film and increasing the corrosion resistance of the stainless steel pipe.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the driving mechanism of the present invention;
FIG. 4 is a partial schematic view of the driving mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the positioning assembly of the present invention;
FIG. 6 is a schematic view of a grinding mechanism according to the present invention;
FIG. 7 is a schematic view of a portion of the grinding mechanism of the present invention;
FIG. 8 is a schematic structural diagram of a passivation mechanism of the present invention;
fig. 9 is a schematic side view of the passivation structure of the present invention.
In the figure: 1. a polishing mechanism; 101. a first operating platform; 1011. a groove; 2. a passivation mechanism; 201. a second operation platform; 2011. collecting tank; 2012. a baffle; 3. a drive mechanism; 31. a drive motor; 32. a first screw rod; 33. a first sliding block; 34. a first fixing ring; 35. a threaded rod; 36. a first connecting plate; 37. a buffer elastic column; 38. a first arc-shaped clamping plate; 4. a limiting component; 41. a second fixing ring; 42. fixing grooves; 43. a rotating roller; 5. a polishing mechanism; 51. a drive device; 52. a drive gear; 53. fixing a ring III; 54. a drive roller; 541. a gear set; 55. a hydraulic cylinder; 56. a second connecting plate; 57. a spring post; 58. a fixing plate; 59. arc polishing and grinding; 6. a moving mechanism; 61. a motor; 62. a second screw rod; 63. a slide bar; 64. a second sliding block; 65. a hydraulic telescopic device; 66. a second arc-shaped clamping plate; 67. a limiting roller; 7. passivating the component; 71. a mounting plate; 72. a spraying device; 73. a spray head; 74. a connecting pipe; 75. a liquid storage tank.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-9, the invention provides a corrosion prevention process for a stainless steel pipe, which comprises the following steps:
s1: firstly, cleaning a stainless steel pipe by using an acid solution;
s2: polishing and grinding the outer surface of the cleaned stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device;
s3: then, carrying out acid passivation treatment on the polished stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device;
s4: and placing the stainless steel pipe subjected to passivation treatment at the vent until a compact oxide film is formed on the surface of the stainless steel pipe.
Example 2
On the basis of embodiment 1, the invention further provides a stainless steel pipe machining passivation device which comprises a polishing mechanism 1 and a passivation mechanism 2, wherein the polishing mechanism 1 comprises a first operation table 101, a groove 1011 is formed in the upper surface of the first operation table 101, the passivation mechanism 2 comprises a second operation table 201, a driving mechanism 3 is rotatably connected to the upper surface of the first operation table 101, a limiting component 4 is fixedly connected to the upper surface of the first operation table 101, a polishing mechanism 5 is detachably connected to the upper surface of the first operation table 101, a moving mechanism 6 is movably connected to the upper surface of the second operation table 201, a passivation component 7 is fixedly connected to the upper surface of the second operation table 201, the driving mechanism 3 comprises a driving motor 31, one side of the driving motor 31 is detachably connected with the side surface of the first operation table 101, and a first screw rod 32 is fixedly connected to the output end of the driving motor 31. The other end of the first lead screw 32 is rotatably connected with the inner wall of the groove 1011, the outer surface of the first lead screw 32 is in threaded connection with the first slider 33, the first upper surface fixed connection of the first slider 33 is provided with the first fixing ring 34, the inner wall of the first fixing ring 34 is in threaded connection with the threaded rod 35, the first bottom fixed connection of the first threaded rod 35 is provided with the first buffer elastic column 37, the first bottom fixed connection of the first buffer elastic column 37 is provided with the first arc-shaped clamping plate 38, when the outer surface of the stainless steel pipe needs to be polished, one end of the stainless steel pipe is placed in the first fixing ring 34, the threaded rod 35 is rotated, the first buffer elastic column 37 and the first arc-shaped clamping plate 38 are matched to clamp the stainless steel pipe, the first lead screw 32 is driven to rotate by starting the driving motor 31, and the first buffer elastic column 37 and the first arc-shaped clamping plate 38 are matched to drive the stainless steel pipe to move in the horizontal direction.
Furthermore, the limiting assembly 4 comprises a second fixing ring 41, the bottom surface of the second fixing ring 41 is fixedly connected with the upper surface of the first operating platform 101, a fixing groove 42 is fixedly connected to the inner wall of the second fixing ring 41, a rotating roller 43 is rotatably connected to the inner wall of the fixing groove 42, and the stainless steel pipe can be limited through the cooperation of the second fixing ring 41, the fixing groove 42 and the rotating roller 43.
Example 3
As shown in fig. 1 to 9, on the basis of the embodiments 1 and 2, the present invention provides a technical solution: preferably, the polishing mechanism 5 includes a driving device 51, a bottom surface of the driving device 51 is detachably connected to an upper surface of the first operating platform 101, an output end of the driving device 51 is fixedly connected with a driving gear 52, an upper surface of the driving device 51 is detachably connected with a third fixing ring 53, an inner wall of the third fixing ring 53 is rotatably connected with a driving roller 54, an outer surface of the driving roller 54 is provided with a gear set 541, an outer surface of the gear set 541 is meshed with an outer surface of the driving gear 52, an inner wall of the driving roller 54 is fixedly connected with a hydraulic cylinder 55, an upper surface of the hydraulic cylinder 55 is detachably connected with a second connecting plate 56, an upper surface of the second connecting plate 56 is fixedly connected with a spring post 57, an upper surface of the spring post 57 is detachably connected with a fixing plate 58, an upper surface of the fixing plate 58 is fixedly connected with an arc-shaped polishing sheet 59, when a stainless steel pipe enters the driving roller 54, the surface of the arc-shaped polishing sheet 59 is attached to the outer surface of the stainless steel pipe by starting the hydraulic cylinder 55 and matching with the spring post 57, and then the driving device 51 is started. The driving gear 52 and the gear set 541 are matched to drive the driving roller 54 to rotate at a high speed in the third fixing ring 53, so that the outer surface of the stainless steel tube is conveniently polished and becomes smooth.
Example 4
As shown in fig. 1 to 9, on the basis of embodiments 1 to 3, the present invention provides a technical solution: preferably, the moving mechanism 6 comprises a motor 61, the bottom surface of the motor 61 is detachably connected with the upper surface of the second operating platform 201, the output end of the motor 61 is fixedly connected with a second screw rod 62, the other end of the second screw rod 62 is rotatably connected with the upper surface of the second operating platform 201, the outer surface of the second screw rod 62 is rotatably connected with a second slide block 64, the inner wall of the second slide block 64 is slidably connected with a slide rod 63, two ends of the slide rod 63 are fixedly connected with the upper surface of the second operating platform 201, the inner side of the second slide block 64 is detachably connected with a hydraulic telescopic device 65, the output end of the hydraulic telescopic device 65 is fixedly connected with a second arc-shaped clamping plate 66, the upper surface of the second operating platform 201 is fixedly connected with a limiting roller 67, when the stainless steel pipe needs to be passivated, the stainless steel pipe is firstly placed between the second arc-shaped clamping plates 66, the other side is placed on the upper surface of the limiting roller 67, and then the hydraulic telescopic device 65 is started, the two arc-shaped clamping plates 66 between the two sides are close to each other to clamp the stainless steel pipe, then the two lead screws 62 are driven to rotate by the starting motor 61, the slide rod 63, the second slide block 64 and the hydraulic telescopic device 65 are matched to drive the stainless steel pipe to move in the horizontal direction under the spray head 73, the passivation component 7 comprises a support plate 71, the bottom surface of the support plate 71 is fixedly connected with the upper surface of the second operation table 201, the bottom surface of the support plate 71 is fixedly connected with a spraying device 72, the output end of the spraying device 72 is detachably connected with the spray head 73, the input end of the spraying device 72 is detachably connected with a connecting pipe 74, the bottom surface of the second operation table 201 is fixedly connected with a liquid storage tank 75, the upper surface of the second operation table 201 is provided with a collecting groove 2011, the inner wall of the collecting groove 2011 is fixedly connected with a guide plate 2012, and the collecting groove 2011 and the guide plate 2012 are matched, can collect connecting pipe 74 spun oxidizing solution, the water conservancy diversion is to the liquid reserve tank 75 in, carry out the recycling of oxidizing solution, avoid extravagant oxidizing solution, the one end of connecting pipe 74 extends to the inside of liquid reserve tank 75, the bottom surface of guide plate 2012 extends to the inside of liquid reserve tank 75, through starting the shower nozzle 73 with the oxidizing solution pump in the liquid reserve tank 75 send the shower nozzle 73 in, again by the spraying of connecting pipe 74 to the surface of stainless steel pipe, make its surface with stainless steel pipe carry out oxidation reaction, form the chromium oxide protective film, increase the corrosion resistance of stainless steel pipe.
The working principle of the corrosion prevention process for the stainless steel pipe is described in detail below.
As shown in fig. 1-9, firstly, the stainless steel pipe is cleaned with an acidic solution, after the cleaning is completed, one end of the stainless steel pipe is placed in the first fixing ring 34, then the stainless steel pipe is clamped by the aid of the first buffer elastic column 37 and the first arc-shaped clamping plate 38 through rotation of the threaded rod 35, then the first lead screw 32 is driven to rotate by starting the driving motor 31, the stainless steel pipe is driven to move in the horizontal direction through the cooperation of the first buffer elastic column 37 and the first arc-shaped clamping plate 38, meanwhile, the stainless steel pipe can be limited through cooperation of the second fixing ring 41, the fixing groove 42 and the rotating roller 43, in the moving process of the stainless steel pipe, the surface of the arc-shaped polishing piece 59 is attached to the outer surface of the stainless steel pipe through the cooperation of the starting hydraulic cylinder 55 and the spring column 57, and then the driving device 51 is started. The driving gear 52 and the gear set 541 are matched to drive the driving roller 54 to rotate at a high speed in the third fixing ring 53, so that the outer surface of the stainless steel pipe is conveniently polished to be smooth, the polished stainless steel pipe is placed between the second arc-shaped clamping plates 66, the other side of the polished stainless steel pipe is placed on the upper surface of the limiting roller 67, then the second arc-shaped clamping plates 66 between the two sides are made to approach each other by starting the hydraulic telescopic device 65 to clamp the stainless steel pipe, the second lead screw 62 is driven to rotate by starting the motor 61, the second lead screw 62 is driven to move in the horizontal direction under the spray head 73 by matching with the slide rod 63, the second slide block 64 and the hydraulic telescopic device 65, meanwhile, the oxidizing liquid in the liquid storage tank 75 is pumped into the spray head 73 by starting the spray head 73, the outer surface of the stainless steel pipe is sprayed by the connecting pipe 74, after the spraying is finished, the stainless steel pipe after the passivation treatment is placed at the ventilation opening, a compact oxide film is formed on the surface of the stainless steel pipe, so that the stainless steel pipe and the stainless steel pipe is subjected to oxidation reaction with the outer surface of the stainless steel pipe, a chromium oxide protective film is formed, and the corrosion resistance of the stainless steel pipe is increased.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (8)
1. The corrosion prevention process of the stainless steel pipe is characterized by comprising the following steps: the stainless steel pipe anticorrosion process comprises the following steps:
s1: firstly, cleaning a stainless steel pipe by using an acid solution;
s2: polishing and grinding the outer surface of the cleaned stainless steel pipe by using a stainless steel pipe anticorrosion processing passivation device;
s3: then, performing acid passivation treatment on the polished stainless steel pipe by using a stainless steel pipe anticorrosive processing passivation device;
s4: and (3) placing the stainless steel pipe subjected to passivation treatment at the vent until a compact oxide film is formed on the surface of the stainless steel pipe.
2. The corrosion prevention process of the stainless steel pipe according to claim 1, wherein a corrosion prevention machining passivation device for the stainless steel pipe is provided, the corrosion prevention machining passivation device comprises a grinding mechanism (1) and a passivation mechanism (2), the grinding mechanism (1) comprises a first operating platform (101), a groove (1011) is formed in the upper surface of the first operating platform (101), and the passivation mechanism (2) comprises a second operating platform (201), and is characterized in that: the upper surface of operation panel (101) rotates and is connected with actuating mechanism (3), the last fixed surface of operation panel (101) is connected with spacing subassembly (4), the detachable grinding machanism (5) that is connected with of upper surface of operation panel (101), the upper surface swing joint of operation panel two (201) has moving mechanism (6), the last fixed surface of operation panel two (201) is connected with passivation subassembly (7).
3. The stainless steel pipe machining and passivating device of claim 2, wherein: actuating mechanism (3) are including driving motor (31), one side of driving motor (31) is connected with the side is detachable of operation panel (101), output fixedly connected with lead screw (32) of driving motor (31), the other end of lead screw (32) is connected with the inner wall rotation of recess (1011), the surface threaded connection of lead screw (32) has slider (33), the last fixed surface of slider (33) is connected with solid fixed ring (34), the inner wall threaded connection of solid fixed ring (34) has threaded rod (35), the bottom surface fixedly connected with connecting plate (36) of threaded rod (35), the bottom surface fixedly connected with buffering elasticity post (37) of connecting plate (36), the bottom surface fixedly connected with arc grip block (38) of buffering elasticity post (37).
4. The stainless steel pipe machining and passivating device of claim 2, wherein: spacing subassembly (4) are including solid fixed ring two (41), the bottom surface of solid fixed ring two (41) is connected with the last fixed surface of operation panel (101), the inner wall fixedly connected with fixed slot (42) of solid fixed ring two (41), the inner wall of fixed slot (42) rotates and is connected with live-rollers (43).
5. The stainless steel pipe machining passivation device of claim 2, characterized in that: grinding machanism (5) are including drive arrangement (51), the bottom surface of drive arrangement (51) is connected with the upper surface of operation panel (101) is detachable, the output fixedly connected with drive gear (52) of drive arrangement (51), the upper surface detachable of drive arrangement (51) is connected with solid fixed ring three (53), the inner wall of solid fixed ring three (53) rotates and is connected with drive roller (54), the surface of drive roller (54) is provided with gear train (541), the surface of gear train (541) is connected with the surface toothing of drive gear (52).
6. The stainless steel pipe machining and passivating device of claim 5, wherein: inner wall fixedly connected with pneumatic cylinder (55) of drive roller (54), the detachable connecting plate two (56) that is connected with of upper surface of pneumatic cylinder (55), the last fixed surface of connecting plate two (56) is connected with spring post (57), the detachable fixed surface of spring post (57) is connected with fixed plate (58), the last fixed surface of fixed plate (58) is connected with arc polishing piece (59).
7. The stainless steel pipe machining and passivating device of claim 2, wherein: moving mechanism (6) is including motor (61), the bottom surface of motor (61) is connected with the upper surface detachable of operation panel two (201), the output fixedly connected with lead screw two (62) of motor (61), the other end of lead screw two (62) is connected with the upper surface rotation of operation panel two (201), the surface rotation of lead screw two (62) is connected with slider two (64), the inner wall sliding connection of slider two (64) has slide bar (63), the both ends of slide bar (63) are connected with the upper surface fixed of operation panel two (201), the inboard detachable hydraulic telescoping device (65) that is connected with of slider two (64), the output fixedly connected with arc grip block two (66) of hydraulic telescoping device (65), the last surface fixedly connected with spacing roller (67) of operation panel two (201).
8. The stainless steel pipe machining and passivating device of claim 2, wherein: passivation subassembly (7) are including mounting panel (71), the bottom surface of mounting panel (71) is connected with the upper surface fixed connection of operation panel two (201), the bottom surface fixedly connected with sprinkler (72) of mounting panel (71), the detachable shower nozzle (73) that is connected with of output of sprinkler (72), the detachable connecting pipe (74) that is connected with of input of sprinkler (72), the bottom surface fixedly connected with liquid reserve tank (75) of operation panel two (201), collecting vat (2011) has been seted up to the upper surface of operation panel two (201), the inner wall fixedly connected with guide plate (2012) of collecting vat (2011), the one end of connecting pipe (74) extends to the inside of liquid reserve tank (75), the bottom surface of guide plate (2012) extends to the inside of liquid reserve tank (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211149876.3A CN115415923A (en) | 2022-09-21 | 2022-09-21 | Corrosion prevention process for stainless steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211149876.3A CN115415923A (en) | 2022-09-21 | 2022-09-21 | Corrosion prevention process for stainless steel pipe |
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| Publication Number | Publication Date |
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| CN115415923A true CN115415923A (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211149876.3A Pending CN115415923A (en) | 2022-09-21 | 2022-09-21 | Corrosion prevention process for stainless steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427956A (en) * | 2023-12-08 | 2024-01-23 | 江苏龙跃不锈钢管业有限公司 | Sanitary stainless steel pipe cleaning device |
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2022
- 2022-09-21 CN CN202211149876.3A patent/CN115415923A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427956A (en) * | 2023-12-08 | 2024-01-23 | 江苏龙跃不锈钢管业有限公司 | Sanitary stainless steel pipe cleaning device |
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