CN111921795B - Anticorrosive coating device of inside pipe wall suitable for bellows - Google Patents
Anticorrosive coating device of inside pipe wall suitable for bellows Download PDFInfo
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- CN111921795B CN111921795B CN202010678082.0A CN202010678082A CN111921795B CN 111921795 B CN111921795 B CN 111921795B CN 202010678082 A CN202010678082 A CN 202010678082A CN 111921795 B CN111921795 B CN 111921795B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
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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
- B05D3/0413—Heating with air
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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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
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Abstract
The invention discloses an anticorrosive coating device for the inner wall of a corrugated pipe, belonging to the field of anticorrosive of the inner wall of the pipe, and the anticorrosive coating device for the inner wall of the corrugated pipe comprises a positioning plate, wherein the right end of the positioning plate is fixedly connected with a liquid storage cylinder, the left end of the positioning plate is fixedly connected with a motor, and the output end of the motor penetrates through the inside of the positioning plate and is fixedly connected with the outer end of the liquid storage cylinder. Thereby realizing the uniform and complete anticorrosive film on the inner wall of the corrugated pipe.
Description
Technical Field
The invention relates to the field of corrosion prevention of inner walls of pipes, in particular to a corrosion prevention coating device suitable for inner walls of corrugated pipes.
Background
The corrosion prevention of the pipe refers to the corrosion caused by the chemical reaction of the steel pipe in use and transportation under the influence of the use environment and the conveying medium. Corrosion is extremely damaging to metal pipes because the pipe, no matter how good the external coating is, how advanced the external corrosion protection process is, if internal corrosion protection is not performed, corrosion and premature failure can be caused. While the internal corrosion is concealed, the existence of the internal corrosion is often ignored by people. Meanwhile, due to the particularity of the conveying medium, the internal corrosion of the pipe is very serious and even far exceeds the external corrosion. Statistics show that up to now, the corrosion perforations of the inner wall of the pipeline account for 90% of the total corrosion perforations.
The coating technology in the pipe is the research focus of the corrosion prevention technology in the pipe, and the smaller the pipe diameter is, the more difficult the coating is, the coating film forming means is usually adopted in the prior art to form a corrosion prevention layer on the inner wall of the pipe, firstly, the method is difficult to uniformly and comprehensively spray the corrosion inhibitor on the inner wall of the pipe, secondly, the spraying method is easy to have blind spots on the pipe with the uneven inner wall like a corrugated pipe, and the comprehensive and uniform corrosion prevention layer is more difficult to form.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an anticorrosion coating device for the inner wall of a corrugated pipe, which abandons the traditional spraying mode, adopts a mode of coating an elastic coating film bag and the inner wall of the corrugated pipe in a contact mode without blind spots, and fully contacts the inner wall of the corrugated pipe through the extrusion deformation of the elastic coating film bag, so that the uneven inner wall of the corrugated pipe can be fully stained with a corrosion inhibitor flowing out from the elastic coating film bag, and meanwhile, a brushing device is used for brushing the inner wall of the pipe, so that the air gap between the inner wall of the pipe and the corrosion inhibitor is effectively eliminated, the corrosion inhibitor is more uniformly and comprehensively distributed on the inner wall of the pipe, and a uniform and complete anticorrosion film is formed on the inner wall of the corrugated pipe.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An anticorrosion coating device for the inner wall of a pipe suitable for a corrugated pipe comprises a positioning plate, wherein a liquid storage cylinder is fixedly connected to the right end of the positioning plate, a motor is fixedly connected to the left end of the positioning plate, the output end of the motor penetrates through the inside of the positioning plate and is fixedly connected with the outer end of the liquid storage cylinder, a pair of main electric push rods and a pair of auxiliary electric push rods are fixedly connected to the outer end of the liquid storage cylinder, the main electric push rods and the auxiliary electric push rods are respectively positioned at the upper end and the lower end of the liquid storage cylinder, a diversion bag communicated with the inside of the liquid storage cylinder is fixedly connected to the lower end of the liquid storage cylinder, the diversion bag is positioned between the pair of auxiliary electric push rods, a supporting rod is arranged on the lower side of the diversion bag, the telescopic end of the auxiliary electric push rods is fixedly connected with, the upper end of the elastic coating bag is fixedly connected with the lower end of the diversion bag, the elastic coating bag is communicated with the diversion bag, the upper side of the liquid storage cylinder is provided with a squeegee, the telescopic end of the main electric push rod is fixedly connected with the lower end of the squeegee, the outer end of the liquid storage cylinder is also connected with a pair of air guide film fixing plates, one end of the positioning plate, far away from the liquid storage cylinder, is also fixedly connected with a controller and a traction rod, the main electric push rod, the auxiliary electric push rod and the motor are all electrically connected with the controller, one end of the traction rod, far away from the positioning plate, is connected with traction equipment, one end of the liquid storage cylinder, far away from the positioning plate, is fixedly connected with a liquid conveying pipe communicated with the interior of the liquid storage cylinder, and one end of the liquid conveying pipe, far away from the liquid storage cylinder, is connected with the material conveying equipment. The elastic coating film bag is extruded to deform and is in full contact with the inner wall of the corrugated pipe, so that the uneven inner wall of the corrugated pipe can be fully stained with the corrosion inhibitor flowing out of the elastic coating film bag, meanwhile, a brushing device is used for brushing the inner wall of the corrugated pipe, the air gap between the inner wall of the pipe and the corrosion inhibitor is effectively eliminated, the corrosion inhibitor is distributed on the inner wall of the pipe more uniformly and comprehensively, and a uniform and complete anticorrosive film is formed on the inner wall of the corrugated pipe.
Furthermore, the elastic coating bag comprises an inner elastic mesh bag, the outer surface of the inner elastic mesh bag is fixedly connected with outer liquid storage cotton, in the coating process, the elastic coating bag is continuously in an expansion state due to the sufficient filling of the corrosion inhibitor in the elastic coating bag, the elastic coating bag has a good elastic deformation function, when the elastic coating bag is in contact extrusion with the inner wall of the corrugated pipe, the elastic coating bag in the expansion state can be fully filled on the inner wall of the concave corrugated pipe under the action of the extrusion force, the corrosion inhibitor flowing out of the elastic coating bag can be fully attached to the inner wall of the pipe, the existence of coating blind spots is effectively eliminated, and a complete anticorrosive film is conveniently realized.
Furthermore, the squeegee comprises a carrier rod fixedly connected with the main electric push rod, one end of the carrier rod, which is far away from the main electric push rod, is fixedly connected with a plurality of soft brushes which are uniformly distributed, and the squeegee can brush the inner wall of the pipe in a rotating state in the coating process, so that the corrosion inhibitor on the inner wall of the pipe can be uniformly distributed, and meanwhile, the air gap between the corrosion inhibitor and the inner wall of the pipe is effectively eliminated, and a uniform and complete anticorrosive film is conveniently formed.
Furthermore, a liquid leakage prevention frame is arranged on the outer side of the squeegee, a pair of through holes are formed in the inner bottom end of the liquid leakage prevention frame, the pair of main electric push rods are respectively located inside the pair of through holes, a fixed plate is fixedly connected between the liquid leakage prevention frame and the liquid storage cylinder, and the fixed plate is located between the pair of main electric push rods.
Furthermore, the liquid leakage prevention frame comprises an outer frame body fixedly connected with the fixed plate, the inner surface of the outer frame body is fixedly connected with inner liquid absorption cotton, when the squeegee finishes one-time coating and is retracted to be away from the inner wall of the pipe, the liquid leakage prevention frame plays a role in containing the squeegee, and residual corrosion inhibitor on the squeegee can be absorbed through the inner liquid absorption cotton, so that the residual corrosion inhibitor is not easy to splash on the inner wall of the pipe at will.
Furthermore, the width of the squeegee is greater than the width of the notch of the outer frame body, the diameter of the carrier rod is smaller than the width of the notch of the outer frame body, the carrier rod can be retracted to the inner part of the liquid leakage prevention frame, the soft brush can be fully contacted with the inner absorption liquid cotton, and the inner absorption liquid cotton is convenient to absorb the residual corrosion inhibitor on the soft brush.
It is further, it is a pair of the solid lamina membranacea of wind-guiding is located the both sides of deciding the board respectively, the solid lamina membranacea of wind-guiding includes interior pole and the outer network board of fixed connection in the liquid storage cylinder outer end, interior pole is located the inboard of outer network board, a pair of heater strip of the outer end fixedly connected with of interior pole, heater strip and controller electric connection, liquid storage cylinder pivoted in-process can drive the solid lamina membranacea of wind-guiding and rotate, the solid lamina membranacea of wind-guiding rotates and can produce wind-force on the one hand, and the intraductal air current flow accelerates, and on the other hand, the heat that the heater strip produced distributes to the air in through interior pole, makes intraductal air temperature rise, under the effect of wind force, hot-blast abundant.
An anticorrosive coating device for the inner wall of a pipe of a corrugated pipe comprises the following using method:
s1, the device is arranged in a corrugated pipe to be coated, the end part of a draw bar is connected with a draw device, the end part of an infusion tube is connected with the discharge end of a material conveying device, and a heating wire starts to be heated through a controller;
s2, starting a material conveying device, so that the corrosion inhibitor is introduced into the liquid storage cylinder through the liquid conveying pipe and then flows into the elastic coating bag along the inside of the diversion bag;
s3, at the moment, the device is in a static state in the corrugated pipe, the motor, the main electric push rod and the auxiliary electric push rod are automatically started through the controller, the brush coater and the elastic film coating bag are driven to gradually approach the inner wall of the corrugated pipe through the main electric push rod and the auxiliary electric push rod, and the motor drives the brush coater and the elastic film coating bag to slowly rotate to coat the inner wall of the corrugated pipe at the position;
s4, after the position coating process is carried out for a period of time, the traction equipment is started in a self-forming mode, the traction rod drives the whole device to slowly advance for a certain distance to the next position along the interior of the corrugated pipe, then the traction equipment is automatically closed, S3 is repeated, and the inner wall of the corrugated pipe at the position is coated;
and S5, repeating S4 until the inner wall of the corrugated pipe is completely coated.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme abandons the traditional spraying mode, adopts the mode of contact-type coating of the elastic coating film bag and the inner wall of the corrugated pipe to carry out blind-spot-free coating on the inner wall of the corrugated pipe, ensures that the uneven inner wall of the corrugated pipe can be fully stained with the corrosion inhibitor flowing out from the elastic coating film bag through the full contact between the elastic coating film bag and the inner wall of the corrugated pipe after being extruded and deformed, and simultaneously, is assisted with a brushing device to brush the inner wall of the corrugated pipe, effectively eliminates the air gap between the inner wall of the corrugated pipe and the corrosion inhibitor, ensures that the corrosion inhibitor is more uniformly and comprehensively distributed on the inner wall of the corrugated pipe, thereby realizing the.
(2) The elastic coating bag comprises an inner elastic mesh bag, outer liquid storage cotton is fixedly connected to the outer surface of the inner elastic mesh bag, the elastic coating bag is continuously in an expansion state due to the fact that corrosion inhibitors are fully filled in the elastic coating bag in the coating process, the elastic coating bag has a good elastic deformation function, when the elastic coating bag is in contact extrusion with the inner wall of the corrugated pipe, the elastic coating bag in the expansion state can be fully filled on the inner wall of the corrugated pipe under the action of extrusion force, the corrosion inhibitors flowing out of the elastic coating bag can be fully attached to the inner wall of the corrugated pipe, the existence of coating blind points is effectively eliminated, and a complete anticorrosive film is conveniently achieved.
(3) The squeegee comprises a carrier rod fixedly connected with the main electric push rod, one end of the carrier rod, which is far away from the main electric push rod, is fixedly connected with a plurality of soft brushes which are uniformly distributed, and in the coating process, the squeegee in a rotating state can brush the inner wall of the pipe, so that the corrosion inhibitor on the inner wall of the pipe can be uniformly distributed, and meanwhile, the air gap between the corrosion inhibitor and the inner wall of the pipe is effectively eliminated, and a uniform and complete anticorrosive film is conveniently formed.
(4) The outer side of the squeegee is provided with a liquid leakage prevention frame, the inner bottom end of the liquid leakage prevention frame is provided with a pair of through holes, the pair of main electric push rods are respectively positioned inside the pair of through holes, a fixed plate is fixedly connected between the liquid leakage prevention frame and the liquid storage cylinder, and the fixed plate is positioned between the pair of main electric push rods.
(5) The anti-leakage frame comprises an outer frame body fixedly connected with the fixed plate, the inner surface of the outer frame body is fixedly connected with inner liquid absorption cotton, when the coating device finishes one-time coating and is retracted to be away from the inner wall of the pipe, the anti-leakage frame plays a role in containing the coating device, and the inner liquid absorption cotton can absorb residual corrosion inhibitor on the coating device, so that the residual corrosion inhibitor is not easy to splash on the inner wall of the pipe at will.
(6) The width of brush applicator is greater than the notch width of outer frame body, and the diameter of carrier rod is less than the notch width of outer frame body, can withdraw to the inside basis of prevention of liquid leakage frame at the carrier rod on, soft brush can fully and the cotton contact of interior imbibition, and the cotton residual corrosion inhibitor of being convenient for interior imbibition absorbs on soft brush.
(7) A pair of wind-guiding solid membranous plate is located the both sides of fixed board respectively, the wind-guiding solid membranous plate includes interior pole and the outer otter board of fixed connection in the liquid storage cylinder outer end, interior pole is located the inboard of outer otter board, the outer end fixedly connected with a pair of heater strip of interior pole, heater strip and controller electric connection, liquid storage cylinder pivoted in-process can drive the wind-guiding solid membranous plate and rotate, the wind-guiding solid membranous plate rotates on the one hand and can produce wind-force, the intraductal air current flow of acceleration rate, on the other hand, the heat that the heater strip produced distributes to the air in through interior pole, make intraductal air temperature rise, under the effect of wind force, hot-blast abundant and inside pipe wall contact.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the first embodiment of the present invention;
FIG. 4 is a schematic side view of a portion of the present invention;
fig. 5 is a schematic diagram of a front structure of the present invention.
The reference numbers in the figures illustrate:
1 positioning plate, 2 liquid storage cylinders, 3 fixed plates, 4 main electric push rods, 5 diversion bags, 6 pairs of electric push rods, 7 liquid leakage prevention frames, 71 outer frame bodies, 72 inner liquid absorption cotton, 8 painters, 81 carrier rods, 82 soft brushes, 9 elastic coating bags, 91 inner elastic mesh bags, 92 outer liquid storage cotton, 10 supporting rods, 11 motors, 12 liquid conveying pipes, 13 controllers, 14 draw bars, 15 inner rods, 16 heating wires and 17 outer mesh plates.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1 and 2, an anticorrosion coating apparatus for inner walls of corrugated pipes comprises a positioning plate 1, a liquid storage cylinder 2 is fixedly connected to a right end of the positioning plate 1, a motor 11 is fixedly connected to a left end of the positioning plate 1, an output end of the motor 11 penetrates through the positioning plate 1 and is fixedly connected to an outer end of the liquid storage cylinder 2, a pair of main electric push rods 4 and a pair of auxiliary electric push rods 6 are fixedly connected to an outer end of the liquid storage cylinder 2, the main electric push rods 4 and the auxiliary electric push rods 6 are respectively located at upper and lower ends of the liquid storage cylinder 2, a guide bag 5 communicated with the interior of the liquid storage cylinder 2 is fixedly connected to a lower end of the liquid storage cylinder 2, the guide bag 5 is located between the pair of auxiliary electric push rods 6, a support rod 10 is disposed at a lower side of the guide bag 5, a telescopic end of the auxiliary electric push rod 6 is fixedly connected to an outer end of the support rod, the upper end of the elastic film coating bag 9 is fixedly connected with the lower end of the diversion bag 5, the elastic film coating bag 9 is communicated with the diversion bag 5, a painting device 8 is arranged on the upper side of the liquid storage cylinder 2, the telescopic end of the main electric push rod 4 is fixedly connected with the lower end of the painting device 8, the outer end of the liquid storage cylinder 2 is further connected with a pair of air guide film fixing plates, one end, away from the liquid storage cylinder 2, of the positioning plate 1 is further fixedly connected with a controller 13 and a traction rod 14, the main electric push rod 4, the auxiliary electric push rod 6 and the motor 11 are electrically connected with the controller 13, one end, away from the positioning plate 1, of the traction rod 14 is connected with traction equipment, one end, away from the positioning plate 1, of the liquid storage cylinder 2 is fixedly connected with a liquid conveying pipe 12 communicated with.
Referring to fig. 4, the elastic film-coated bag 9 includes an inner elastic mesh bag 91, an outer liquid storage cotton 92 is fixedly connected to the outer surface of the inner elastic mesh bag 91, the outer liquid storage cotton 92 can store the corrosion inhibitor flowing out of the inner elastic mesh bag 91, so that the corrosion inhibitor on the inner elastic mesh bag 91 is not easy to drip randomly, referring to fig. 4 and fig. 5, in the coating process, because the corrosion inhibitor is fully filled in the elastic coating bag 9, the elastic coating bag 9 is continuously in an expansion state, because the elastic coating bag 9 has good elastic deformation function, when the elastic coating film bag 9 is contacted and extruded with the inner wall of the corrugated pipe, under the action of the extrusion force, the expanded elastic coating film bag 9, can be fully filled on the sunken inner wall of the corrugated pipe, and the corrosion inhibitor flowing out of the elastic coating bag 9 can be fully attached on the inner wall of the pipe, thereby effectively eliminating the existence of coating blind spots and conveniently realizing a complete anticorrosive film.
Referring to fig. 4, the squeegee 8 includes a carrier rod 81 fixedly connected to the main electric push rod 4, and one end of the carrier rod 81 far from the main electric push rod 4 is fixedly connected to a plurality of soft brushes 82 which are uniformly distributed, so that during the coating process, the squeegee 8 in a rotating state can brush the inner wall of the pipe, so that the corrosion inhibitor on the inner wall of the pipe can be uniformly distributed, and simultaneously, the air gap between the corrosion inhibitor and the inner wall of the pipe is effectively eliminated, thereby facilitating the formation of a uniform and complete anticorrosive film.
Referring to fig. 3 and 4, a liquid leakage preventing frame 7 is disposed on the outer side of the squeegee 8, a pair of through holes are disposed at the inner bottom end of the liquid leakage preventing frame 7, a pair of main electric push rods 4 are respectively disposed inside the pair of through holes, a fixed plate 3 is fixedly connected between the liquid leakage preventing frame 7 and the liquid storage cylinder 2, the fixed plate 3 is disposed between the pair of main electric push rods 4, the liquid leakage preventing frame 7 includes an outer frame 71 fixedly connected with the fixed plate 3, an inner liquid absorbing cotton 72 is fixedly connected to the inner surface of the outer frame 71, when the squeegee 8 completes one-time coating and is retracted away from the inner wall of the pipe, the liquid leakage preventing frame 7 plays a role of accommodating the squeegee 8, the inner liquid absorbing cotton 72 can absorb the residual corrosion inhibitor on the squeegee 8, so that the residual corrosion inhibitor is not easy to splash on the inner wall of the pipe, the width of the squeegee 8 is greater than the width of the notch of the outer frame 71, the diameter, on the basis that the carrier rod 81 can be retracted into the liquid leakage prevention frame 7, the soft brush 82 can be fully contacted with the inner liquid absorption cotton 72, so that the inner liquid absorption cotton 72 can absorb the residual corrosion inhibitor on the soft brush 82 conveniently.
Referring to fig. 4, a pair of air guiding solid films are respectively located at two sides of the fixed plate 3, the air guiding solid films include an inner rod 15 and an outer net plate 17 fixedly connected to an outer end of the liquid storage cylinder 2, the inner rod 15 is located at an inner side of the outer net plate 17, the outer end of the inner rod 15 is fixedly connected with a pair of heating wires 16, the heating wires 16 are electrically connected with the controller 13, the air guiding solid films are driven to rotate in the rotating process of the liquid storage cylinder 2, on one hand, the air guiding solid films can generate wind force to accelerate the air flow in the pipe, on the other hand, heat generated by the heating wires 16 is dissipated into the air through the inner rod 15 to increase the temperature of the air in the pipe, under the action of the wind force, the hot wind is sufficiently contacted with the.
An anticorrosive coating device for the inner wall of a pipe of a corrugated pipe comprises the following using method:
s1, the device is arranged in a corrugated pipe to be coated, the end of a traction rod 14 is connected with traction equipment, the end of an infusion tube 12 is connected with the discharge end of conveying equipment, and a heating wire 16 starts to be heated through a controller 13;
s2, starting a material conveying device, so that the corrosion inhibitor is introduced into the liquid storage cylinder 2 through the liquid conveying pipe 12 and then flows into the elastic coating bag 9 along the inner part of the diversion bag 5;
s3, at the moment, the device is in a static state in the corrugated pipe, the controller 13 automatically starts the motor 11, the main electric push rod 4 and the auxiliary electric push rod 6 drive the squeegee 8 and the elastic film coating bag 9 to gradually approach the inner wall of the corrugated pipe, and meanwhile, the motor 11 drives the squeegee 8 and the elastic film coating bag 9 to slowly rotate so as to coat the inner wall of the corrugated pipe at the position;
s4, after the position coating process is carried out for a period of time, the traction equipment is started in a self-forming mode, the traction rod 14 drives the whole device to slowly advance for a certain distance to the next position along the interior of the corrugated pipe, then the traction equipment is automatically closed, and S3 is repeated to coat the inner wall of the corrugated pipe at the position;
and S5, repeating S4 until the inner wall of the corrugated pipe is completely coated.
The invention abandons the traditional spraying mode, adopts the mode of coating the inner wall of the corrugated pipe in a contact mode by the elastic coating bag 9 and the inner wall of the pipe, and fully contacts the inner wall of the corrugated pipe by the extrusion deformation of the elastic coating bag 9, so that the uneven inner wall of the corrugated pipe can be fully stained with the corrosion inhibitor flowing out from the elastic coating bag 9, and simultaneously, the inner wall of the pipe is brushed by the brush coater 8, thereby effectively eliminating the air gap between the inner wall of the pipe and the corrosion inhibitor, leading the corrosion inhibitor to be more uniformly and comprehensively distributed on the inner wall of the pipe, and further realizing the uniform and complete anticorrosive film on the inner wall of the corrugated pipe.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an anticorrosive coating unit of inside pipe wall suitable for bellows, includes locating plate (1), its characterized in that: the right end of the positioning plate (1) is fixedly connected with a liquid storage cylinder (2), the left end of the positioning plate (1) is fixedly connected with a motor (11), the output end of the motor (11) penetrates through the inside of the positioning plate (1) and is fixedly connected with the outer end of the liquid storage cylinder (2), the outer end of the liquid storage cylinder (2) is fixedly connected with a pair of main electric push rods (4) and a pair of auxiliary electric push rods (6), the main electric push rods (4) and the auxiliary electric push rods (6) are respectively positioned at the upper end and the lower end of the liquid storage cylinder (2), the lower end of the liquid storage cylinder (2) is fixedly connected with a diversion bag (5) communicated with the inside of the liquid storage cylinder (2), the diversion bag (5) is positioned between the pair of auxiliary electric push rods (6), a supporting rod (10) is arranged at the lower side of the diversion bag (5), and the telescopic end of the auxiliary electric push, the outer side of the support rod (10) is sleeved with an elastic film coating bag (9), the elastic film coating bag (9) is located between the pair of auxiliary electric push rods (6), the upper end of the elastic film coating bag (9) is fixedly connected with the lower end of the diversion bag (5), the elastic film coating bag (9) is communicated with the diversion bag (5), a painting device (8) is arranged on the upper side of the liquid storage cylinder (2), the telescopic end of the main electric push rod (4) is fixedly connected with the lower end of the painting device (8), the outer end of the liquid storage cylinder (2) is further connected with a pair of air guide film fixing plates, one end, far away from the liquid storage cylinder (2), of the positioning plate (1) is further fixedly connected with a controller (13) and a traction rod (14), the main electric push rod (4), the auxiliary electric push rod (6) and the motor (11) are electrically connected with the controller (13), one end, far away from the positioning plate (1), of the traction rod (14) is, one end of the liquid storage cylinder (2) far away from the positioning plate (1) is fixedly connected with a liquid conveying pipe (12) communicated with the interior of the liquid storage cylinder (2), and one end of the liquid conveying pipe (12) far away from the liquid storage cylinder (2) is connected with material conveying equipment;
it is a pair of the solid lamina membranacea of wind-guiding is located the both sides of stator (3) respectively, the solid lamina membranacea of wind-guiding includes interior pole (15) and outer otter board (17) of fixed connection in liquid storage cylinder (2) outer end, interior pole (15) are located the inboard of outer otter board (17), a pair of heater strip (16) of outer end fixedly connected with of interior pole (15), heater strip (16) and controller (13) electric connection.
2. The corrosion-resistant coating apparatus for an inner wall of a pipe suitable for a corrugated pipe as claimed in claim 1, wherein: the elastic film coating bag (9) comprises an inner elastic mesh bag (91), and outer liquid storage cotton (92) is fixedly connected to the outer surface of the inner elastic mesh bag (91).
3. The corrosion-resistant coating apparatus for an inner wall of a pipe suitable for a corrugated pipe as claimed in claim 1, wherein: the squeegee (8) comprises a carrier rod (81) fixedly connected with the main electric push rod (4), and one end, far away from the main electric push rod (4), of the carrier rod (81) is fixedly connected with a plurality of soft brushes (82) which are uniformly distributed.
4. The corrosion-resistant coating apparatus for an inner wall of a pipe suitable for a corrugated pipe as claimed in claim 1, wherein: the liquid leakage prevention device is characterized in that a liquid leakage prevention frame (7) is arranged on the outer side of the squeegee (8), a pair of through holes is formed in the inner bottom end of the liquid leakage prevention frame (7), the main electric push rods (4) are located in the through holes respectively, a fixed plate (3) is fixedly connected between the liquid leakage prevention frame (7) and the liquid storage cylinder (2), and the fixed plate (3) is located between the main electric push rods (4).
5. The apparatus of claim 4, wherein the coating apparatus comprises: the liquid leakage prevention frame (7) comprises an outer frame body (71) fixedly connected with the fixed plate (3), and inner liquid absorption cotton (72) is fixedly connected to the inner surface of the outer frame body (71).
6. The corrosion-resistant coating apparatus for an inner wall of a pipe for a corrugated pipe as claimed in claim 5, wherein: the width of the squeegee (8) is larger than the width of the notch of the outer frame body (71), and the diameter of the carrier rod (81) is smaller than the width of the notch of the outer frame body (71).
7. The apparatus for anticorrosive coating of inner wall of pipe for corrugated pipe according to any one of claims 1 to 6, wherein: the using method comprises the following steps:
s1, the device is arranged in a corrugated pipe to be coated, the end of a draw bar (14) is connected with a draw device, the end of an infusion tube (12) is connected with the discharge end of a material conveying device, and a heating wire (16) starts to heat through a controller (13);
s2, starting a material conveying device, so that the corrosion inhibitor is introduced into the liquid storage cylinder (2) through the liquid conveying pipe (12) and then flows into the elastic coating bag (9) along the inside of the diversion bag (5);
s3, at the moment, the device is in a static state in the corrugated pipe, the motor (11), the main electric push rod (4) and the auxiliary electric push rod (6) are automatically started through the controller (13), the main electric push rod (4) and the auxiliary electric push rod (6) extend to drive the squeegee (8) and the elastic film coating bag (9) to gradually approach the inner wall of the corrugated pipe, and meanwhile, the motor (11) drives the squeegee (8) and the elastic film coating bag (9) to slowly rotate to coat the inner wall of the corrugated pipe at the position;
s4, after the position coating process is carried out for a period of time, shortening the main electric push rod (4) and the auxiliary electric push rod (6) for a certain length to enable the squeegee (8) and the elastic coating bag (9) to be far away from the inner wall of the corrugated pipe, then automatically starting the traction equipment, driving the device to slowly advance for a certain distance along the inside of the corrugated pipe through the traction rod (14) to reach the next position, automatically closing the traction equipment, repeating S3, and coating the inner wall of the corrugated pipe at the position;
and S5, repeating S4 until the inner wall of the corrugated pipe is completely coated.
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| CN202010678082.0A CN111921795B (en) | 2020-07-15 | 2020-07-15 | Anticorrosive coating device of inside pipe wall suitable for bellows |
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| CN202010678082.0A CN111921795B (en) | 2020-07-15 | 2020-07-15 | Anticorrosive coating device of inside pipe wall suitable for bellows |
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| CN113385379A (en) * | 2020-12-28 | 2021-09-14 | 芜湖晟汇信息科技有限公司 | Pneumatic antirust oil applying device and method for brake master pump cylinder body |
| CN112974133B (en) * | 2021-02-24 | 2021-11-05 | 常熟理工学院 | Mechanized efficient steel pipe paint dyeing device |
| CN113578718A (en) * | 2021-06-07 | 2021-11-02 | 刘沙 | Inner wall anticorrosion technology suitable for thin and short HDPE corrugated pipe |
| CN114107871B (en) * | 2021-12-20 | 2023-09-01 | 中国人民解放军陆军装甲兵学院 | High-speed arc processing device with inert gas protection function |
| CN114673863B (en) * | 2022-04-07 | 2023-01-13 | 江苏省特种设备安全监督检验研究院 | Robot and detection method for phased array nondestructive detection of interior of pipeline |
| CN116213201A (en) * | 2023-02-16 | 2023-06-06 | 山东卓研新材料有限公司 | Processing equipment and method for polytetrafluoroethylene lining of storage tank mouth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3339536A1 (en) * | 1983-11-02 | 1985-05-09 | Reinhard Rohrbau GmbH & Co KG, 4470 Meppen | METHOD AND DEVICE FOR COATING THE INSIDE SURFACE OF A PIPELINE |
| US5718027A (en) * | 1996-09-23 | 1998-02-17 | Allied Tube & Conduit Corporation | Apparatus for interior painting of tubing during continuous formation |
| JP2001239200A (en) * | 2000-03-01 | 2001-09-04 | Soichiro Oku | Inner face coating tool for hollow pipe and coating method |
| CN206778740U (en) * | 2017-06-07 | 2017-12-22 | 内蒙古君诚兴业管道有限责任公司 | A kind of steel pipe electrostatic coating machine |
| CN207533502U (en) * | 2017-07-07 | 2018-06-26 | 安徽康瑞高科新材料技术工程有限公司 | A kind of pipeline corrosion protection spray equipment |
| CN207025737U (en) * | 2017-07-27 | 2018-02-23 | 荆金霞 | A kind of antirust oil painting device on the inside of building pipe |
| CN108722801A (en) * | 2018-08-03 | 2018-11-02 | 宁波高新区晖云电子科技有限公司 | A kind of inner-wall paint device for large-size pipe |
| CN110860434B (en) * | 2019-10-24 | 2020-09-08 | 西南石油大学 | Speed-controllable corrosion inhibitor coating device for gathering and transportation pipeline |
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Effective date of registration: 20210415 Address after: 054001 west side of Maosheng Road, economic development zone, Guangzong County, Xingtai City, Hebei Province Applicant after: Hebei Bingchen Engineering Materials Co., Ltd Address before: 557700 No.47, Yangliuwan, Zhenyuan County, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Applicant before: Lin Juxiang |
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