CN111334735A - Hot-dip galvanizing treatment equipment for galvanized steel pipe - Google Patents

Hot-dip galvanizing treatment equipment for galvanized steel pipe Download PDF

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Publication number
CN111334735A
CN111334735A CN202010211779.7A CN202010211779A CN111334735A CN 111334735 A CN111334735 A CN 111334735A CN 202010211779 A CN202010211779 A CN 202010211779A CN 111334735 A CN111334735 A CN 111334735A
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China
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steel pipe
container
galvanizing
galvanized
heating
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CN202010211779.7A
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Chinese (zh)
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倪雨阳
顾元帅
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Individual
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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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/185—Tubes; Wires
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/38—Wires; Tubes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/10—Agitating of electrolytes; Moving of racks
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Coating With Molten Metal (AREA)

Abstract

The invention discloses hot-dip galvanizing treatment equipment for galvanized steel pipes, which comprises a galvanizing container, wherein the bottom of the galvanizing container is provided with a supporting leg support, the middle part of the bottom end of the galvanizing container is provided with a heating box, the top end of the galvanizing container is provided with a solution tank, electroplating solution is contained in the solution tank, and the top end of the galvanizing container is provided with a semicircular arc top cover plate. According to the invention, the steel pipe is inserted into the steel pipe base, and the grooved pulley and the dial wheel are matched to form the simple intermittent mechanism, so that the steel pipe arranged on the steel pipe base intermittently rotates in the solution tank, and the steel pipe intermittently rotates in the solution tank, so that the steel pipe can stand for a period of time every moving step in the solution tank, and the surface of the steel pipe is fully galvanized by electroplating solution.

Description

Hot-dip galvanizing treatment equipment for galvanized steel pipe
Technical Field
The invention relates to the technical field of steel pipe galvanizing processing, in particular to hot-dip galvanizing treatment equipment for galvanized steel pipes.
Background
Galvanization refers to a surface treatment technology for plating a layer of zinc on the surface of metal, alloy or other materials to play the roles of beauty, rust prevention and the like. The main method is hot galvanizing, and zinc is easily dissolved in acid and alkali, so that the zinc is called amphoteric metal. The zinc hardly changes in the dry air. In humid air, a dense film of basic zinc carbonate is formed on the zinc surface. In the atmosphere containing sulfur dioxide, hydrogen sulfide and oceanic atmosphere, the corrosion resistance of zinc is poor, and particularly in the atmosphere containing high-temperature high-humidity organic acid, a zinc coating is extremely easy to corrode. For the steel matrix, the zinc coating belongs to an anodic coating, which is mainly used for preventing the corrosion of steel, and the relation between the quality of the protective performance and the coating thickness is very large. After the zinc coating is passivated, dyed or coated with a light-protecting agent, the protective property and the decorative property of the zinc coating can be obviously improved.
The invention relates to a novel steel pipe galvanizing device with the structure of CN201611264328.X, which comprises a heat-insulating inner protective layer, a galvanizing kettle outer protective edge, a galvanizing kettle bottom, a temperature measurement and timing integrated machine, a feeding device, a grabbing block, a lifting controller, a track and a conveying device, wherein the heat-insulating inner protective layer is fixedly connected with the galvanizing kettle outer protective edge, the galvanizing kettle outer protective edge is fixedly connected with the galvanizing kettle bottom, the temperature measurement and timing integrated machine is arranged on the galvanizing kettle outer protective edge, the feeding device is connected with the galvanizing kettle outer protective edge, the grabbing block is connected with the track through the lifting controller, the lifting controller is connected with the conveying device, the novel steel pipe galvanizing device realizes that the temperature of a galvanizing kettle can be known in time when the device is used through the temperature measurement and timing integrated machine, the grabbing block, the lifting controller, the track and the conveying device are prevented from being too low in use temperature, and the binding device is also provided with a timing function, the use of the user is convenient, and the arranged grabbing and conveying device also reduces the labor force.
The steel pipe galvanizing device disclosed by the patent still has some defects in actual use, and the specific defects are as follows:
firstly, the steel pipe needs to be quickly dried during the completion of galvanizing, and the surface of the galvanized steel pipe is directly baked, so that electroplating liquid drops attached to the surface of the steel pipe are easily heated to form condensation water blocks which are stuck on the surface of the steel pipe, and the attractiveness of the surface of the galvanized steel pipe is affected.
In the process of galvanizing, the steel pipe needs to be kept stand in the electroplating solution for a period of time, so that the surface galvanizing of the steel pipe is uniform and sufficient.
Disclosure of Invention
The invention aims to provide hot-dip galvanizing treatment equipment for galvanized steel pipes, which solves the technical problems that steel pipes need to be quickly dried during galvanizing, the surfaces of the galvanized steel pipes are directly baked, electroplating solution water drops attached to the surfaces of the steel pipes are easy to be heated and condensed to be adhered to the surfaces of the steel pipes, the surface attractiveness of the galvanized steel pipes is affected, and the steel pipes need to stand in the electroplating solution for a period of time during galvanizing, so that the galvanizing on the surfaces of the steel pipes is sufficient and uniform.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a galvanized steel pipe hot-dip galvanizing treatment device comprises a galvanized container, wherein a supporting leg support is arranged at the bottom of the galvanized container, a heating box is arranged in the middle of the bottom end of the galvanized container, a solution tank is arranged at the top end of the galvanized container, electroplating solution is contained in the solution tank, a semicircular arc top cover plate is installed at the top end of the galvanized container, and a feeding port is formed in the position, on the left side of the top cover plate, of the top end of the galvanized container;
the roller is arranged in the solution tank, the roller is coaxial with the galvanizing container, a plurality of steel pipe bases are arranged on the outer wall of the roller at equal intervals, each steel pipe is vertically fixed at the top end of each steel pipe base, shaft levers are arranged at two ends of the roller, the shaft levers at two ends of the roller are arranged at two sides of the inner wall of the solution tank through bearings, the shaft lever at one end of the roller penetrates through the galvanizing container through a bearing to extend out, a first chain wheel is arranged at the top end of the bearing extending out of the galvanizing container, a second chain wheel is arranged on the outer wall of the galvanizing container close to the first chain wheel through a bearing, the second chain wheel is in meshing transmission with the first chain wheel through a chain, a grooved wheel is fixed at the front end of the second chain wheel, a motor base is arranged on the side wall of the galvanizing container located in the direction, a thumb wheel is mounted at the top end of an output shaft of the motor and is in meshing transmission with the grooved wheel;
the top cover plate comprises partition plates, air nozzles, first heating pipes and first power interfaces, wherein a plurality of raised partition plates are arranged on the inner wall of the top cover plate, every two adjacent partition plates are arranged at equal intervals, every partition plate extends between every two adjacent steel pipe bases, the air nozzles are symmetrically arranged on two sides of each partition plate, the air nozzles are arranged in a plurality of numbers, every air nozzle is arranged at the bottom end close to two sides of each partition plate, the first heating pipes are symmetrically arranged in the middle of the two sides of each partition plate and are heating pipes of a U-shaped structure, the first heating pipes are distributed in a fan shape on two sides of each partition plate, the first power interfaces are installed at the top end of the top cover plate, and the first power interfaces are connected with the first heating pipes on the partition plates through wires;
according to a preferable technical scheme of the invention, wiping sponges are symmetrically installed on two sides of the partition plate, the wiping sponges are arranged between the air nozzle and the first heating pipe, and the wiping sponges on each side of the partition plate are of a fan-shaped structure.
As a preferred technical scheme, the oiling cotton is symmetrically arranged on two sides of the partition plate, the oiling cotton on each side of the partition plate is arranged close to the feeding port, and the oiling cotton on each side of the partition plate is of a fan-shaped structure.
As a preferable technical scheme of the invention, each air nozzle close to the bottom ends of the two sides of the partition plate is downwards inclined.
As a preferred technical solution of the present invention, the steel pipe base is a cylindrical structure, the top end of the steel pipe base is provided with a mounting hole having a circular hole structure, and a magnet is fixed at the bottom end of the mounting hole.
As a preferable technical scheme of the present invention, the heating box includes a second heating pipe, a second power supply interface, and a heat conducting fin, the second heating pipe is installed inside the heating box, the second heating pipe is a U-shaped pipe, the second power supply interface is installed at the bottom end of the heating box, the second power supply interface is electrically connected to the second heating pipe through a wire, and the heat conducting fin is installed on the bottom surface of the solution tank of the galvanizing container.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, a solution tank is arranged at the top end of a galvanizing container, electroplating solution is contained in the solution tank, a roller coaxial with the galvanizing container is installed in the solution tank, a plurality of rows of steel pipe bases distributed at equal intervals are arranged on the outer wall of the roller, steel pipes are inserted into the steel pipe bases, a simple intermittent mechanism is formed by matching grooved wheels and shifting wheels, the steel pipes installed on the steel pipe bases intermittently rotate in the solution tank, the steel pipes intermittently rotate in the solution tank, and the steel pipes can stand for a period of time in each moving step so as to fully plate the surfaces of the steel pipes with the electroplating solution.
Secondly, a semicircular arc top cover plate is installed at the top end of the galvanizing container, a plurality of protruding partition plates are arranged on the inner wall of the top cover plate, each partition plate extends between two adjacent rows of steel pipe bases, air nozzles symmetrically arranged on two sides of each partition plate blow air to each steel pipe flowing into the top cover plate, electroplating liquid water drops attached to the surfaces of the steel pipes are blown off, the air nozzles are arranged in a downward inclined mode, when the steel pipes are lifted upwards from the solution tank, the air nozzles are inclined from top to bottom to blow air to the surfaces of the steel pipes, and electroplating liquid water drops attached to the surfaces of the steel pipes fall into the solution tank.
The cleaning sponges are symmetrically arranged on two sides of the partition board, the cleaning sponges are arranged between the air nozzle and the first heating pipe, the cleaning sponges on each side of the partition board are of a fan-shaped structure, after water drops on the surface of the steel pipe are blown by the air nozzle, the steel pipe rotates upwards, the surface of the steel pipe is cleaned by the cleaning sponges, electroplating liquid water drops which are not blown off by the air nozzle on the surface of the steel pipe are wiped, the electroplating liquid water drops are adsorbed on the cleaning sponges after the cleaning sponges are wiped, and the surface of the steel pipe is favorably cleaned before the steel pipe is baked.
The oil cotton is symmetrically arranged on two sides of the partition plate, the oil cotton on each side of the partition plate is arranged close to the feed opening, the oil cotton on each side of the partition plate is of a fan-shaped structure, the oil cotton is arranged close to the feed opening, so that after the steel pipe is baked, oil is coated on the surface of the baked steel pipe through the oil cotton attached to the oil cotton, the temperature of the baked steel pipe is reduced through the oil attached to the surface of the steel pipe, and in addition, the oil is coated on the surface of the steel pipe, the surface of the electroplated steel pipe is protected by the oil, and the surface of the electroplated steel pipe is rapidly oxidized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of a hot-dip galvanizing apparatus for galvanized steel pipes according to the present invention;
FIG. 2 is a cross-sectional view of the structure taken along line A-A of FIG. 2 of the present specification;
FIG. 3 is a left side view of the hot-dip galvanizing treatment apparatus for galvanized steel pipes according to the present invention;
FIG. 4 is a front full sectional view of the hot dip galvanizing apparatus for galvanized steel pipes according to the present invention;
FIG. 5 is a schematic view of the configuration of the air nozzle of the present invention with the bottom end of the baffle plate inclined downwardly;
FIG. 6 is a schematic view showing the structure of the air nozzle of the present invention extending between two adjacent steel pipes;
FIG. 7 is a schematic view of a partially cross-sectional enlarged structure of the oiled cotton of the present invention disposed on both sides of the partition;
FIG. 8 is a schematic structural view of the steel tube of the present invention fixed to a steel tube base;
in the figure: 1. the support leg, 2, the galvanizing container, 201, the solution pool, 3, the top cover plate, 301, the partition plate, 302, the air nozzle, 303, the wiping sponge, 304, the first heating pipe, 305, the oiling cotton, 4, the first power interface, 5, the air flue interface, 6, the roller, 7, the steel pipe base, 701, the mounting hole, 702, the magnet, 8, the workbench, 9, the first chain wheel, 10, the chain, 11, the second chain wheel, 12, the grooved pulley, 13, the heating box, 1301, the second power interface, 13020, the second heating pipe, 1303, the heat conducting sheet, 14, the thumb wheel, 15, the motor, 16, the motor base, 17, the feed opening.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-8, a hot-dip galvanizing treatment apparatus for galvanized steel pipes comprises a galvanizing container 2, the galvanizing container 2 is of a semi-cylindrical structure, a horizontally fixed worktable 8 is arranged on the left side wall of the galvanizing container 2, the worktable 8 is convenient for placing electroplating consumables such as steel pipes, etc., a support leg 1 is arranged at the bottom of the galvanizing container 2 for supporting, a heating box 13 is arranged in the middle of the bottom end of the galvanizing container 2,
the heating box 13 comprises a second heating pipe 1302, a second power interface 1301 and a heat conducting sheet 1303, the second heating pipe 1302 is installed inside the heating box 13, the second heating pipe 1302 is a U-shaped pipe, the second power interface 1301 is installed at the bottom end of the heating box 13, the second power interface 1301 is electrically connected with the second heating pipe 1302 through a lead, and the heat conducting sheet 1303 is installed on the bottom surface of the solution pool 201 of the galvanizing container 2.
The second power interface 1301 of the present invention is connected to an external power source, heats through the second heating pipe 1302, and is disposed on the bottom surface of the solution tank 201 through the heat conducting sheet 1303, and heats through the heat conducting sheet 1303 on the bottom surface of the solution tank 201, so that the plating solution in the solution tank 201 is heated, and the steel pipe is easily heated.
The top end of the galvanizing container 2 is provided with a solution tank 201, electroplating solution is contained in the solution tank 201, the top end of the galvanizing container 2 is provided with a semicircular arc top cover plate 3, and the left side of the top cover plate 3, which is positioned at the top end of the galvanizing container 2, is provided with a feeding port 17; the operator of being convenient for installs the steel pipe on to steel pipe base 7 through dog-house 17, and the steel pipe that the manual work of being convenient for was accomplished hot dip galvanizing takes out from dog-house 17, improves the convenience of operation.
The roller 6 is installed in the solution tank 201, the roller 6 is coaxial with the galvanizing container 2, the outer wall of the roller 6 is provided with a plurality of rows of steel pipe bases 7 which are distributed equidistantly, the steel pipe bases 7 are of a cylindrical structure, each steel pipe is vertically fixed at the top end of each steel pipe base 7, shaft rods are arranged at two ends of the roller 6, the shaft rods at two ends of the roller 6 are installed at two sides of the inner wall of the solution tank 201 through bearings, the shaft rod at one end of the roller 6 penetrates through the galvanizing container 2 through a bearing and extends out, a first chain wheel 9 is installed at the top end of the bearing extending out of the galvanizing container 2, a second chain wheel 11 is installed on the outer wall of the galvanizing container 2 close to the first chain wheel 9 through a bearing, the second chain wheel 11 is in meshing transmission with the first chain wheel 9 through a chain 10, a grooved wheel 12 is fixed at the front end of the second chain wheel 11, the grooved wheel 12 and the, a motor 15 is installed at the top end of the motor base 16, a thumb wheel 14 is installed at the top end of an output shaft of the motor 15, and the thumb wheel 14 is in meshing transmission with the grooved wheel 12; sheave 12 is driven for intermittent rotation by thumb wheel 14.
The top cover plate 3 comprises a partition plate 301, air nozzles 302, first heating pipes 304, first power interfaces 4 and air flue interfaces 5, the inner wall of the top cover plate 3 is provided with a plurality of raised partition plates 301, the two adjacent partition plates 301 are arranged at equal intervals, each partition plate 301 extends into the space between two adjacent rows of steel pipe bases 7, the air nozzles 302 are symmetrically arranged on two sides of each partition plate 301, the air nozzles 302 are arranged in a plurality, each air nozzle 302 is arranged at the bottom end close to two sides of each partition plate 301, the outer wall of the top cover plate 3 is provided with the air flue interfaces 5, the air flue interfaces 5 are communicated with each air nozzle 302 through an air flue inside the top cover plate 3, the middle parts of two sides of each partition plate 301 are symmetrically provided with the first heating pipes 304, each heating pipe 304 is a heating pipe with a U-shaped structure, the first heating pipes 304 are distributed in a fan shape on two sides of each partition plate 301, the top end of the top cover, the first power supply interface 4 is connected with the first heating pipe 304 on the partition plate 301 through a lead;
according to the invention, the top end of the galvanizing container 2 is provided with the solution tank 201, the solution tank 201 is filled with electroplating solution, the solution tank 201 is internally provided with the roller 6 which is coaxial with the galvanizing container 2, the outer wall of the roller 6 is provided with a plurality of rows of steel pipe bases 7 which are distributed at equal intervals, the steel pipes are inserted into the steel pipe bases 7 and are combined into the intermittent mechanism through the matching of the grooved wheels 9 and the shifting wheels 14, so that the steel pipes arranged on the steel pipe bases 7 intermittently rotate in the solution tank 201, and the steel pipes intermittently rotate in the solution tank 201 and are kept still in the solution tank 2 for a period of time each step of movement, so that the surfaces of the steel pipes are fully galvanized by the electroplating solution. Through the cooperation of the grooved pulley 9 and the thumb wheel 14, the steel pipe enters the air injection area of the air injection nozzle 302 and stands for a period of time, so that the air injection nozzle 302 can blow the surface of the steel pipe conveniently, and through the cooperation of the grooved pulley 9 and the thumb wheel 14, the steel pipe enters the baking area and stands for a period of time, so that the first heating pipe 304 can dry the surface of the steel pipe thoroughly.
The top end of a galvanizing container 2 is provided with a semicircular arc top cover plate 3, the inner wall of the top cover plate 3 is provided with a plurality of convex partition plates 301, each partition plate 301 extends between two adjacent columns of steel pipe bases 7, each steel pipe flowing into the top cover plate 3 is blown by air nozzles 302 symmetrically arranged on two sides of each partition plate 301, so that electroplating liquid water beads attached to the surfaces of the steel pipes are blown off, the air nozzles 302 are arranged in a downward inclined manner, when the steel pipes are lifted upwards from a solution tank 201, the air nozzles 302 are inclined from top to bottom to blow the surfaces of the steel pipes, and the electroplating liquid water beads attached to the surfaces of the steel pipes fall into the solution tank.
Wiping sponges 303 are symmetrically installed on two sides of the partition plate 301, the wiping sponges 303 are arranged between the air nozzle 302 and the first heating pipe 304, and the wiping sponges 303 on each side of the partition plate 301 are of a fan-shaped structure.
According to the invention, the wiping sponges 303 are symmetrically arranged on two sides of the partition plate 301, the wiping sponges 303 are arranged between the air nozzle 302 and the first heating pipe 304, the wiping sponges 303 on each side of the partition plate 301 are of a fan-shaped structure, after water drops on the surface of the steel pipe are blown by the air nozzle 302, the steel pipe rotates upwards, the surface of the steel pipe is wiped by the wiping sponges 303, so that electroplating liquid water drops which are not blown off by the air nozzle 302 on the surface of the steel pipe are wiped by the wiping sponges 303, the electroplating liquid water drops are adsorbed on the wiping sponges 303, and the surface of the steel pipe is favorably cleaned before the steel pipe is baked.
In addition, the wiping sponge 303 can absorb other baking auxiliary liquid agents, such as oil liquid after mild electroplating is conveniently finished, the oil liquid for baking is coated on the surface of the steel pipe in the area to be baked through the wiping sponge 303, so that the electroplated layer on the surface of the steel pipe is uniformly baked, the physical reaction of the electroplated layer is improved,
cotton 305 of fat liquoring is installed to the bilateral symmetry of baffle 301, and cotton 305 of fat liquoring symmetry sets up in the both sides of baffle 301, and the cotton 305 of fat liquoring of each side of baffle 301 all sets up and is being close to in dog-house 17 position, and the cotton 305 of fat liquoring of each side of baffle 301 is fan-shaped structure.
The oiling cotton 305 is symmetrically arranged on two sides of the partition plate 301, the oiling cotton 305 on each side of the partition plate 301 is arranged close to the feeding port 17, the oiling cotton 305 on each side of the partition plate 301 is of a fan-shaped structure, the oiling cotton 305 is arranged close to the feeding port 17, oil is attached to the surface of the steel pipe through the oiling cotton 305 after the steel pipe is baked, the surface of the baked steel pipe is oiled through the oiling cotton 305, the oil is attached to the surface of the steel pipe, the temperature of the baked steel pipe is reduced, in addition, the oil is smeared on the surface of the steel pipe through the oiling cotton 305, the surface of the electroplated steel pipe is protected by the oil, and the surface of the electroplated steel pipe is rapidly oxidized.
Each air nozzle 302 close to the bottom ends of the two sides of the partition board 301 inclines downwards, so that the air nozzles 302 can blow air to the surface of the steel pipe from top to bottom, and electroplating liquid drops attached to the surface of the steel pipe fall into the solution pool.
The steel pipe base 7 is of a cylindrical structure, a mounting hole 701 of a circular hole structure is formed in the top end of the steel pipe base 7, and a magnet 702 is fixed at the bottom end of the mounting hole 701.
According to the steel pipe fixing device, the magnet 702 is used for adsorbing the steel pipe in the mounting hole 701 at the top end of the steel pipe base 7, the inner wall of the mounting hole 701 is used for supporting the outer wall of the steel pipe, the magnet 702 at the bottom is matched for adsorbing the steel pipe, so that the steel pipe is fixed on the steel pipe base 7 firmly and reliably when radial force is borne, and the magnet 702 is used for adsorbing the steel pipe, so that the steel pipe can be manually pulled out of the mounting hole 701 from the steel pipe base 7, and the steel pipe fixing device is convenient to detach and mount.
The working principle is as follows: when the cooperation of the hot-dip galvanizing treatment device for the galvanized steel pipe adopted by the invention is completed, firstly, the steel pipe is inserted into the steel pipe base 7, secondly, the sheave 9 and the dial wheel 14 are combined into an intermittent mechanism, the steel pipe arranged on the steel pipe base 7 is intermittently rotated in the solution tank 201, the steel pipe is kept still for a period of time in each moving step in the solution tank 2, so that the electroplating solution can be fully galvanized on the surface of the steel pipe, then, the steel pipe is rotated upwards after the water drops on the surface of the steel pipe are blown by the air nozzle 302, the surface of the steel pipe is wiped by the wiping sponge 303, the electroplating solution water drops which are not blown off by the air nozzle 302 on the surface of the steel pipe are wiped by the wiping sponge 303, then, the surface of the steel pipe is baked by the first heating pipe 304, and finally, the oiling cotton 305 is arranged at a position close to the feed port 17, oil liquid is attached to the inside of the oil-coated cotton 305, the baked steel pipe surface is coated with oil through the oil-coated cotton 305, the oil liquid is attached to the steel pipe surface, the temperature of the baked steel pipe is cooled, and hot-dip galvanizing treatment of the steel pipe is completed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A galvanized steel pipe hot-dip galvanizing treatment equipment comprises a galvanized container and is characterized in that: the bottom of the galvanized container is provided with a supporting leg support, the middle part of the bottom end of the galvanized container is provided with a heating box, the top end of the galvanized container is provided with a solution pool, electroplating solution is contained in the solution pool, the top end of the galvanized container is provided with a semicircular arc top cover plate, and the left side of the top cover plate, which is positioned at the top end of the galvanized container, is provided with a feeding port;
the roller is arranged in the solution tank, the roller is coaxial with the galvanizing container, a plurality of steel pipe bases are arranged on the outer wall of the roller at equal intervals, each steel pipe is vertically fixed at the top end of each steel pipe base, shaft levers are arranged at two ends of the roller, the shaft levers at two ends of the roller are arranged at two sides of the inner wall of the solution tank through bearings, the shaft lever at one end of the roller penetrates through the galvanizing container through a bearing to extend out, a first chain wheel is arranged at the top end of the bearing extending out of the galvanizing container, a second chain wheel is arranged on the outer wall of the galvanizing container close to the first chain wheel through a bearing, the second chain wheel is in meshing transmission with the first chain wheel through a chain, a grooved wheel is fixed at the front end of the second chain wheel, a motor base is arranged on the side wall of the galvanizing container located in the direction, a thumb wheel is mounted at the top end of an output shaft of the motor and is in meshing transmission with the grooved wheel;
the top cover plate comprises partition plates, air nozzles, first heating pipes and first power interfaces, wherein a plurality of raised partition plates are arranged on the inner wall of the top cover plate, every two adjacent partition plates are arranged at equal intervals, every partition plate extends between every two adjacent steel pipe bases, the air nozzles are symmetrically arranged on two sides of each partition plate, the air nozzles are arranged in a plurality of numbers, every air nozzle is arranged at the bottom end close to two sides of each partition plate, the first heating pipes are symmetrically arranged in the middle of the two sides of each partition plate and are heating pipes of a U-shaped structure, the first heating pipes are distributed in a fan shape on two sides of each partition plate, the first power interfaces are installed at the top end of the top cover plate, and the first power interfaces are connected with the first heating pipes on the partition plates through wires;
the heating box comprises a second heating pipe, a second power interface and a heat conducting fin, the second heating pipe is arranged inside the heating box, the second heating pipe is a U-shaped pipe, the second power interface is arranged at the bottom end of the heating box, the second power interface is electrically connected with the second heating pipe through a wire, and the heat conducting fin is arranged on the bottom surface of a solution pool of the galvanizing container.
2. The hot-dip galvanizing treatment facility of a galvanized steel pipe according to claim 1, characterized in that: the both sides symmetry of baffle is installed and is cleaned the sponge, clean the sponge and set up between air nozzle and first heating pipe, and every side of baffle clean the sponge and be fan-shaped structure.
3. The hot-dip galvanizing treatment facility of a galvanized steel pipe according to claim 1, characterized in that: the fat liquoring cotton is installed to the bilateral symmetry of baffle, the cotton symmetry of fat liquoring sets up in the both sides of baffle, and every one side of baffle the fat liquoring cotton all sets up and is being close to in dog-house position, every one side of baffle the fat liquoring cotton is fan-shaped structure.
4. The hot-dip galvanizing treatment facility of a galvanized steel pipe according to claim 1, characterized in that: each air nozzle close to the bottom ends of the two sides of the partition board is inclined downwards.
5. The hot-dip galvanizing treatment facility of a galvanized steel pipe according to claim 1, characterized in that: the steel pipe base is of a cylindrical structure, the top end of the steel pipe base is provided with a mounting hole of a round hole structure, and a magnet is fixed at the bottom end of the mounting hole.
CN202010211779.7A 2020-03-24 2020-03-24 Hot-dip galvanizing treatment equipment for galvanized steel pipe Withdrawn CN111334735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010211779.7A CN111334735A (en) 2020-03-24 2020-03-24 Hot-dip galvanizing treatment equipment for galvanized steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010211779.7A CN111334735A (en) 2020-03-24 2020-03-24 Hot-dip galvanizing treatment equipment for galvanized steel pipe

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Publication Number Publication Date
CN111334735A true CN111334735A (en) 2020-06-26

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CN202010211779.7A Withdrawn CN111334735A (en) 2020-03-24 2020-03-24 Hot-dip galvanizing treatment equipment for galvanized steel pipe

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117089796A (en) * 2023-10-13 2023-11-21 兴化市华成镀锌管件有限公司 Steel pipe hot galvanizing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117089796A (en) * 2023-10-13 2023-11-21 兴化市华成镀锌管件有限公司 Steel pipe hot galvanizing device
CN117089796B (en) * 2023-10-13 2024-03-05 兴化市华成镀锌管件有限公司 Steel pipe hot galvanizing device

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