Galvanized steel scrap dezincification recovery device

Abstract

The utility model relates to a zinc-plating waste steel dezincification recovery device, which is sequentially provided with a resistance furnace, a conveying assembly and a roller way type shot blasting machine along the conveying direction of zinc-plating waste steel, a roller conveyor; each straightening mechanism comprises a mounting plate, the mounting plates are located on the sides of the roller conveyor, telescopic power mechanisms are fixedly mounted on the top faces of the mounting plates, and straightening plates for pushing galvanized steel sheets on the roller conveyor are fixedly arranged at the telescopic ends of the telescopic power mechanisms. The mounting direction of the centralizing plate is perpendicular to the conveying direction of the roller conveyor; the heat dissipation mechanism comprises a plurality of heat dissipation fans; the zinc-plated waste steel is preheated through the resistance furnace, so that a zinc layer is softened, hard plating is reduced, then the roller way type shot blasting machine is used for physical impact, the zinc layer on the surface of the waste steel is effectively removed, the process not only improves the dezincification efficiency, but also ensures the completeness of a waste steel base material, and subsequent steel smelting and resource recycling are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to galvanized scrap steel technical field, concretely is a kind of galvanized scrap steel dezincification recovery device. BACKGROUND

[0002] In the field of metal recycling and reuse, galvanized scrap steel as a common industrial waste, its recycling has important economic and environmental value, due to the surface of scrap steel galvanizing, direct smelting treatment not only can affect the quality of steel, also increase energy consumption and environmental pollution, therefore, before recycling, it needs to carry out dezincification treatment to galvanized scrap steel;

[0003] Traditional galvanized scrap steel dezincification method mainly includes chemical method and physical method, chemical method usually uses strong acid or strong alkali solution to soak scrap steel, to remove the surface zinc layer, however this method not only cost is high, and a large amount of waste liquid is generated, causes serious pollution to environment, physical method is mainly removed zinc layer by mechanical method, such as using grinding wheel polishing or sand blasting treatment etc., but these methods are inefficient, and it is difficult to guarantee the uniform treatment of the surface of scrap steel;

[0004] Therefore, it needs to develop a kind of dezincification recovery device, which can efficiently and stably transport heated galvanized scrap steel, and realize effective heat dissipation and zinc layer removal during conveying. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem in the prior art, provides a kind of galvanized scrap steel dezincification recovery device, which can heat galvanized scrap steel, thereby reducing zinc layer hard plating, and facilitating to improve subsequent dezincification efficiency.

[0006] The technical problem to be solved by the utility model is solved by the following technical scheme, a kind of galvanized scrap steel dezincification recovery device, the device is sequentially arranged in the conveying direction of galvanized scrap steel Resistance furnace, conveying assembly and roll type shot blasting machine, the conveying assembly includes;

[0007] Roller conveyor, the feed end of roller conveyor is opposite the discharge port of resistance furnace, the discharge end of roller conveyor is opposite the feed port of roll type shot blasting machine, so as to convey the galvanized scrap steel heated by resistance furnace into roll type shot blasting machine;

[0008] Two groups of righting mechanisms, two groups of righting mechanisms are symmetrically arranged on the two sides of roller conveyor, each righting mechanism includes mounting plate, mounting plate is located on the side of roller conveyor, telescopic power mechanism is fixedly installed on the top surface of mounting plate, righting plate for pushing galvanized steel plate on roller conveyor is fixedly arranged on the telescopic end of telescopic power mechanism, the installation direction of righting plate is perpendicular to the conveying direction of roller conveyor;

[0009] The heat dissipation mechanism comprises several heat dissipation fans arranged at the bottom of the roller conveyor.

[0010] The technical problems solved by the utility model can also be solved by the following technical solutions.

[0011] The technical problems solved by the utility model can also be solved by the following technical solutions.

[0012] The technical problems solved by the utility model can also be solved by the following technical solutions.

[0013] Compared with the prior art, the utility model has the beneficial technical effects that:

[0014] (1) The zinc-coated scrap steel is preheated by the resistance furnace, so that the zinc layer is softened and the hard plating is reduced, and then the zinc layer on the surface of the scrap steel is effectively removed by physical impact of the roller-type shot blasting machine.

[0015] (2) The roller conveyor in the device ensures that the heated zinc-coated scrap steel is stably and continuously conveyed to the subsequent processing link, and the two groups of centering mechanisms are driven by the telescopic power mechanism to adjust the centering plate in time to prevent the scrap steel from deviating or accumulating during conveying, thereby ensuring the stability of conveying and the accuracy of processing.

[0016] (3) The heat dissipation mechanism arranged at the bottom of the roller conveyor is arranged at intervals by several heat dissipation fans, which effectively dissipates heat of the heated scrap steel, avoids equipment damage or safety hazards caused by high temperature, prolongs the service life of the equipment, reduces energy consumption, and meets the green and energy-saving production concept. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a top view structure schematic diagram of the utility model;

[0018] Fig. 2 It is a top view structure schematic diagram of the utility model in use.

[0019] Reference signs: 1, resistance furnace; 2, roller type shot blasting machine; 3, roller conveyor; 4, mounting plate; 5, telescopic power mechanism; 6, righting plate; 7, galvanized scrap steel; 8, square groove; 9, partition; 10, heat dissipation fan. DETAILED DESCRIPTION

[0020] The specific technical scheme of the utility model is further described below with reference to the drawings, so that those skilled in the art can further understand the utility model, but it does not constitute a limitation on its rights.

[0021] Embodiment 1, refer to Figs. 1-2 A galvanized scrap steel dezincification recovery device, the device is sequentially provided with a resistance furnace 1, a conveying assembly and a roller type shot blasting machine 2 according to the conveying direction of the galvanized scrap steel 7, the resistance furnace 1 and the shot blasting machine are existing technologies which can be selected according to the use requirements, the conveying assembly comprises;

[0022] The roller conveyor 3 is an existing technology which can be selected according to the use requirements, the feeding end of the roller conveyor 3 is opposite to the discharge port of the resistance furnace 1, and the discharging end of the roller conveyor 3 is opposite to the feeding port of the roller type shot blasting machine 2, so that the galvanized scrap steel 7 heated by the resistance furnace 1 is conveyed into the roller type shot blasting machine 2.

[0023] Two groups of righting mechanisms, the two groups of righting mechanisms are symmetrically arranged on the two sides of the roller conveyor 3, each group of righting mechanisms comprises a mounting plate 4, the mounting plate 4 is formed in a square plate structure, the bottom surface thereof is in contact with the ground, the mounting plate 4 is located beside the roller conveyor 3, a telescopic power mechanism 5 is fixedly installed on the top surface of the mounting plate 4, the telescopic power mechanism 5 is a double-shaft air cylinder, a righting plate 6 for pushing the galvanized steel plate on the roller conveyor 3 is fixedly arranged on the telescopic end of the telescopic power mechanism 5, the righting plate 6 is formed in a square plate structure, and the mounting direction of the righting plate 6 is perpendicular to the conveying direction of the roller conveyor 3.

[0024] In order to reduce the influence of the galvanized scrap steel 7 on the telescopic power mechanism 5 during use and ensure that the telescopic power mechanism 5 can be normally used, a partition 9 is vertically and fixedly installed on the top surface of the mounting plate 4, and a square groove 8 is formed in the partition 9 and used for the telescopic end of the telescopic power mechanism to extend and retract.

[0025] A heat dissipation mechanism, the heat dissipation mechanism comprises a plurality of heat dissipation fans 10 arranged at the bottom of the roller conveyor 3, the number of heat dissipation fans 10 used can be selected according to the use requirements, for example, six heat dissipation fans, the mounting spacing of adjacent two heat dissipation fans 10 is the same, and the heat dissipation fans 10 are sequentially arranged on the ground below the roller conveyor 3 according to the feeding direction of the roller conveyor 3.

[0026] The use process of the galvanized scrap steel dezincification recovery device in embodiment 1 is as follows:

[0027] (1) Check whether each component of the device is intact, ensure that the resistance furnace 1, roller conveyor 3, roller-type shot blasting machine 2, righting mechanism and heat dissipation mechanism can work normally, according to the specification and batch of galvanized scrap steel 7, selectively adjust the heating temperature of the resistance furnace 1, the conveying speed of the roller conveyor 3 and other parameters, prepare the galvanized scrap steel 7 to be treated, and place it at the feeding port of the resistance furnace 1;

[0028] (2) Start the resistance furnace 1, heat the galvanized scrap steel 7 to a certain temperature to soften the zinc layer, and adjust the heating temperature and time according to the specification of the scrap steel and the thickness of the zinc layer. During the heating of the galvanized scrap steel 7 in the resistance furnace 1, start the roller conveyor 3, the feeding end of the roller conveyor 3 is opposite to the discharge port of the resistance furnace 1, to ensure that the heated scrap steel can smoothly enter the conveyor, and the heated galvanized scrap steel 7 is stably conveyed on the roller conveyor 3, during which the righting mechanism adjusts the scrap steel in time through the telescopic power mechanism 5 to drive the righting plate 6, to prevent it from deviating or accumulating. The telescopic amount of the power output end of the telescopic power mechanism 5 can be adjusted according to the width of the galvanized scrap steel 7 in advance, so that the distance between the telescopic ends of the two groups of telescopic power mechanisms 5 is roughly consistent with the width of the galvanized scrap steel 7 after each extension, so as to realize the righting of the galvanized scrap steel 7. Before the galvanized scrap steel 7 is conveyed to the roller-type shot blasting machine 2, the heat dissipation fan 10 located below the roller conveyor 3 can cool the bottom surface of the galvanized scrap steel 7 to avoid equipment damage or safety hazards caused by high temperature;

[0029] (3) When the galvanized scrap steel 7 moves to the feeding port of the roller-type shot blasting machine 2, start the shot blasting machine, the shot blasting machine shoots shot particles to the surface of the scrap steel through the high-speed rotating shot blasting machine, and removes the zinc layer by physical impact. During the shot blasting process, the size of the shot particles, the shot blasting speed and the shot blasting time can be adjusted according to the needs.

Claims

1. A galvanized scrap steel dezincing recovery device, characterized by: The device is provided with an electric resistance furnace, a conveying assembly and a roller-type shot blasting machine in sequence along the conveying direction of the galvanized scrap steel, the conveying assembly comprises; A roller conveyor, the feeding end of the roller conveyor is opposite to the discharging port of the electric resistance furnace, and the discharging end of the roller conveyor is opposite to the feeding port of the roller-type shot blasting machine, so as to convey the galvanized scrap steel heated by the electric resistance furnace into the roller-type shot blasting machine; Two groups of righting mechanisms, the two groups of righting mechanisms are symmetrically arranged on the two sides of the roller conveyor, each group of righting mechanisms comprises a mounting plate, the mounting plate is located beside the roller conveyor, a telescopic power mechanism is fixedly installed on the top surface of the mounting plate, a righting plate for pushing the galvanized steel plate on the roller conveyor is fixedly arranged on the telescopic end of the telescopic power mechanism, and the mounting direction of the righting plate is perpendicular to the conveying direction of the roller conveyor; A heat dissipation mechanism, the heat dissipation mechanism comprises a plurality of heat dissipation fans arranged on the bottom of the roller conveyor.

2. A device for dezincification and recovery of zinc-coated scrap steel according to claim 1, characterized in that: A partition plate is vertically and fixedly installed on the top surface of the mounting plate, and a square groove is formed in the partition plate and used for the telescopic end of the telescopic power mechanism to extend and retract.

3. A device for dezincification and recovery of zinc-coated scrap steel according to claim 1, characterized in that: The telescopic power mechanism is a double-shaft air cylinder.

4. A device for dezincification and recovery of zinc-coated scrap steel according to claim 1, characterized in that: The six heat dissipation fans are arranged in sequence on the ground below the roller conveyor along the feeding direction of the roller conveyor.

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