Product oxidation-reduction pretreatment device for hot galvanizing
By combining shot blasting and cleaning structures, the environmental pollution and water consumption problems caused by pickling are solved, achieving environmentally friendly and efficient steel wire surface pretreatment and ensuring galvanizing quality.
Patent Information
- Application Number
- CN202520088417.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing hot-dip galvanizing pretreatment equipment uses pickling, which leads to environmental pollution and high water consumption, and it is difficult to completely remove dirt and oxide scale from the surface of steel wire.
The system employs components such as a shot blasting chamber, shot blasting machine, bucket elevator, screw conveyor, and distribution pipe. High-speed shot is used to blast the surface of the steel wire. Combined with a cleaning structure and interception net, the shot is separated from impurities. The octagonal shot blasting chamber is designed for comprehensive shot blasting, and a cleaning structure and impurity collection drawer are provided to remove residual impurities.
It achieves acid-free, environmentally friendly steel wire surface pretreatment, thoroughly removing dirt and oxide scale, reducing manual labor intensity, ensuring galvanizing quality, and reducing environmental pollution and water consumption.
Smart Images
Figure CN223921498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel wire galvanization technical field, concretely is the product oxidation reduction pretreatment device for hot galvanizing. BACKGROUND
[0002] Hot galvanizing is an effective metal anticorrosion mode, and is mainly used on metal structure facilities in various industries, is immersed into 500°C or so molten zinc liquid after rust removal of steel piece, makes the zinc layer of steel component surface adhesion, thereby plays the purpose of anticorrosion.
[0003] The main purpose of steel wire galvanizing is to enhance its corrosion resistance, prolong service life, steel wire is easy to occur corrosion and oxidation in long time use and exposure to natural environment, through galvanizing treatment, can form a dense zinc oxide film on the surface of steel wire, effectively blocks the outside moisture and oxygen and other corrosive substances, slows down the corrosion rate of steel wire, thereby prolongs its service life, the steel wire before hot galvanizing needs to be pretreated device to the hot galvanized steel wire, and the existing mode mostly adopts the way of pickling to pretreat the steel wire, but pickling can produce a large amount of chemical waste liquid, has greater influence on the environment, and consumes a large amount of water resources, is not enough environmental protection. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing the product oxidation reduction pretreatment device for hot galvanizing to solve the problem in the background art.
[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] The product oxidation reduction pretreatment device for hot galvanizing, including front box body, rear box body and shot blasting chamber, the two sides of shot blasting chamber are installed with front box body and rear box body respectively, the shot blasting chamber is regular octagon shape, the four inclined planes of shot blasting chamber are all installed with shot blasting machine, the bottom of shot blasting chamber is installed with discharge pipe, one side of discharge pipe is installed with guide pipe, one side of shot blasting chamber is installed with bucket elevator, the feed inlet of bucket elevator is located just below the discharge end of guide pipe, the discharge outlet of bucket elevator is below the spiral conveyor, the feed inlet of spiral conveyor is fixedly connected with the discharge outlet of bucket elevator, the discharge outlet bottom of spiral conveyor is installed with distribution pipe, the two discharge outlets of distribution pipe are installed with shot feeding pipeline, the other two ends of shot feeding pipeline are connected with the feed inlets of upper and lower shot blasting machines on the same side respectively, the discharge pipe is installed with intercepting net, the rear box body is installed with cleaning structure.
[0007] As a further scheme of the utility model: the cleaning structure includes a ring body and a ring brush, connecting rods are installed on the two sides of the ring body, the ring body is fixedly connected with the inner walls of the two sides of the rear box body through the connecting rods, a ring brush is arranged in the ring body, screws are installed on the ring body, and the ring body is fixedly connected with the ring brush through the screws.
[0008] As a further scheme of the utility model: front guide rollers and rear guide rollers are respectively installed in the front box body and the rear box body.
[0009] As a further scheme of the utility model: a sundry collecting drawer is installed at the bottom of the discharge pipe.
[0010] As a further scheme of the utility model: the height of the distribution pipe gradually decreases from the middle to the two ends.
[0011] As a further scheme of the utility model: a roller frame is installed on the outer wall of the front box body, steel wire rollers are arranged on the roller frame, steel wires are arranged on the steel wire rollers, and the steel wires pass through the front box body, the shot blasting chamber and the rear box body in sequence and are connected with an external winding mechanism.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The shot blasting chamber, the shot blasting machine, the bucket elevator, the screw conveyor, the distribution pipe and the shot feeding pipeline are cooperated with each other, so that the surface of the hot galvanized steel wire can be treated by shot blasting, the surface of the steel wire can be effectively cleaned by the high-speed impact of the shot, the dirt, rust and oxide skin on the surface of the steel wire can be effectively removed, the surface of the steel wire is clean, a good foundation is provided for the subsequent hot galvanizing treatment, and the traditional pickling is replaced, so that the environmental pollution and the consumption of water resources caused by pickling are avoided.
[0014] 2. The shot blasting chamber is designed as a regular octagon, and the shot blasting machines are installed on the four inclined surfaces of the shot blasting chamber, so that the four shot blasting machines throw the shot to the steel wire from four different directions, and the shot blasting of the surface of the steel wire is more thorough, and the existence of the shot blasting blind area is reduced or even eliminated.
[0015] 3. The cleaning structure is arranged, the surface of the steel wire after shot blasting can be cleaned, so that the residual shot and impurities on the surface of the steel wire after shot blasting are quickly removed, and the too much impurities in the steel wire during galvanizing are avoided, so that the galvanizing quality is reduced.
[0016] 4. The intercepting net is installed in the discharge pipe of the shot blasting chamber, and the sundry collecting drawer is installed at the bottom of the discharge pipe, the shot can be separated from the impurities by the intercepting net, and the impurities can be received by the sundry collecting drawer, so that the personnel can clean the impurities conveniently, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The whole structure diagram of the product oxidation-reduction pretreatment device for hot galvanizing.
[0018] Figure 2 The product oxidation-reduction pretreatment device for hot galvanizing Figure 1 The side sectional view of the shot blasting chamber.
[0019] Figure 3 The product oxidation-reduction pretreatment device for hot galvanizing Figure 1 The side sectional view of the cleaning structure.
[0020] 1, front box; 2, rear box; 3, shot blasting chamber; 4, shot blasting machine; 5, shot conveying pipeline; 6, distribution pipe; 7, bucket elevator; 8, screw conveyor; 9, miscellaneous drawer; 10, intercepting net; 11, material guide pipe; 12, front wire guide roller; 13, rear wire guide roller; 14, cleaning structure; 1401, ring body; 1402, ring brush; 15, roller frame; 16, wire roller; 17, screw; 18, connecting rod; 19, discharge pipe. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-2 In the embodiments of the present application, the product oxidation-reduction pretreatment device for hot galvanizing comprises a front box 2, a rear box 3 and a shot blasting chamber 1. The front box 2 and the rear box 3 are respectively installed on the two sides of the shot blasting chamber 1. The shot blasting chamber 1 is in the shape of regular octagon. The shot blasting machine 4 is installed on each of the four inclined surfaces of the shot blasting chamber 1. The discharge pipe 19 is installed at the bottom of the shot blasting chamber 1. The material guide pipe 11 is installed on one side of the discharge pipe 19. The bucket elevator 7 is installed on one side of the shot blasting chamber 1. The feeding port of the bucket elevator 7 is located directly below the discharge end of the material guide pipe 11. The screw conveyor 8 is arranged below the discharge port of the bucket elevator 7. The feeding port of the screw conveyor 8 is fixedly connected with the discharge port of the bucket elevator 7. The distribution pipe 6 is installed at the bottom of the discharge port of the screw conveyor 8. The shot conveying pipeline 5 is installed on the two discharge ports of the distribution pipe 6. The other two ends of the shot conveying pipeline 5 are respectively connected with the feeding ports of the upper and lower shot blasting machines 4 on the same side.
[0023] The front wire guide roller 12 and the rear wire guide roller 13 are respectively installed in the front box 2 and the rear box 3. The front wire guide roller 12 and the rear wire guide roller 13 can jointly cooperate to make the steel wire in the middle position in the shot blasting chamber 1. In this way, the shot blasting on the surface of the steel wire can be more comprehensive and thorough.
[0024] The height of the distribution pipe 6 gradually decreases from the middle to the two ends, so that the pellets roll from the middle to the two ends, thereby ensuring smooth flow of the pellets in the distribution pipe 6.
[0025] The outer wall of the front box body 2 is provided with a roller frame 15, the roller frame 15 is provided with a steel wire roller 16, the steel wire roller 16 is provided with a steel wire, and the steel wire is sequentially connected with an external winding mechanism after passing through the front box body 2, the shot blasting chamber 1 and the rear box body 3.
[0026] Please refer to Figure 1 and Figure 3 , the rear box body 3 is provided with a cleaning structure 14, the cleaning structure 14 comprises a ring body 1401 and an annular brush 1402, the ring body 1401 is provided with connecting rods 18 on both sides, the ring body 1401 is fixedly connected with the inner walls of the two sides of the rear box body 3 through the connecting rods 18, the ring body 1401 is provided with the annular brush 1402, the ring body 1401 is provided with screws 17, the ring body 1401 is fixedly connected with the annular brush 1402 through the screws 17, the design of the screws 17 can facilitate replacement of the annular brush 1402, thereby prolonging the service life of the cleaning structure 14, the cleaning structure 14 can clean the surface of the steel wire after shot blasting, thereby quickly removing the residual pellets and impurities on the surface of the steel wire after shot blasting, and the too much impurities in the steel wire during galvanizing can be avoided, so that the galvanizing quality is reduced.
[0027] Please refer to Figures 1-2 , the discharge pipe 19 is provided with a blocking net 10, the blocking net 10 can separate the pellets from the impurities, and the discharge pipe 19 is provided with a miscellaneous drawer 9 at the bottom, the miscellaneous drawer 9 receives the impurities, so that personnel can conveniently clean the impurities and reduce the labor intensity.
[0028] The working principle of the utility model is:
[0029] In use, the steel wire is separated from the steel wire roll 16 under the traction of the external winding machine, and enters the shot blasting chamber 1 under the drive of the front guide roller 12. The four shot blasting machines 4 installed on both sides of the shot blasting chamber 1 blast the shot from different directions, and the high-speed shot impacts the surface of the steel wire to remove the dirt, rust and oxide skin on the surface. Then, the removed impurities and the shot enter the discharge pipe 19 together, and the shot is intercepted by the intercepting net 10 and then enters the guide pipe 11. The shot is guided into the bucket elevator 7 through the guide pipe 11, lifted into the screw conveyor 8 through the bucket elevator 7, and then conveyed into the distribution pipe 6 through the screw conveyor 8. The shot enters the shot conveying pipe 5 through the distribution pipe 6, and then enters the two shot blasting machines 4 on the same side through the shot conveying pipe 5 for recycling. The impurities not intercepted by the intercepting net 10 pass through the intercepting net 10 and enter the impurity collection drawer 9 for regular cleaning by personnel. When the steel wire after shot blasting enters the rear box body 3 from the shot blasting chamber 1, the surface of the steel wire is cleaned by the annular brush 1402 installed in the rear box body 3, so that the dust, small impurities and shot adhered to the surface of the steel wire are removed, and the cleanliness of the surface of the steel wire is ensured.
[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A pretreatment device for oxidation-reduction treatment of hot-dip galvanized products, comprising a front chamber (2), a rear chamber (3), and a shot blasting chamber (1), characterized in that: The shot blasting chamber (1) is equipped with a front housing (2) and a rear housing (3) on both sides. The shot blasting chamber (1) is octagonal in shape. Shot blasting machines (4) are installed on all four inclined surfaces of the shot blasting chamber (1). A discharge pipe (19) is installed at the bottom of the shot blasting chamber (1). A guide pipe (11) is installed on one side of the discharge pipe (19). A bucket elevator (7) is installed on one side of the shot blasting chamber (1). The inlet of the bucket elevator (7) is located directly below the outlet end of the guide pipe (11). A screw conveyor (8) is installed below the discharge port. The feed port of the screw conveyor (8) is fixedly connected to the discharge port of the bucket elevator (7). A distribution pipe (6) is installed at the bottom of the discharge port of the screw conveyor (8). A shot feeding pipe (5) is installed on the two discharge ports of the distribution pipe (6). The other two ends of the shot feeding pipe (5) are respectively connected to the feed ports of the upper and lower shot blasting machines (4) on the same side. An intercepting net (10) is installed inside the discharge pipe (19). A cleaning structure (14) is installed inside the rear box (3).
2. The product oxidation-reduction pretreatment device for hot-dip galvanizing according to claim 1, characterized in that: The cleaning structure (14) includes a ring body (1401) and an annular brush (1402). Connecting rods (18) are installed on both sides of the ring body (1401). The ring body (1401) is fixedly connected to the inner walls of both sides of the rear box (3) through the connecting rods (18). An annular brush (1402) is provided inside the ring body (1401). Screws (17) are installed on the ring body (1401). The ring body (1401) is fixedly connected to the annular brush (1402) through the screws (17).
3. The product oxidation-reduction pretreatment device for hot-dip galvanizing according to claim 1, characterized in that: The front housing (2) and the rear housing (3) are respectively equipped with a front guide roller (12) and a rear guide roller (13).
4. The product oxidation-reduction pretreatment device for hot-dip galvanizing according to claim 1, characterized in that: The bottom of the discharge pipe (19) is equipped with a waste collection drawer (9).
5. The product oxidation-reduction pretreatment device for hot-dip galvanizing according to claim 1, characterized in that: The height of the material distribution pipe (6) gradually decreases from the middle to both ends.
6. The product oxidation-reduction pretreatment device for hot-dip galvanizing according to claim 1, characterized in that: A roller frame (15) is installed on the outer wall of the front box (2). A wire winding roller (16) is provided on the roller frame (15). A wire is provided on the wire winding roller (16). The wire passes through the front box (2), the shot blasting chamber (1), and the rear box (3) in sequence and is then connected to the external winding mechanism.