CN202175714U - Online pickling device - Google Patents

Abstract

The utility model discloses an on-line pickling device, which comprises a main body of a washing tank and a feeding roller table running through the main body of the washing tank. The main body of the washing tank is divided into a pickling area and a cleaning area. An acid spray device is provided on the road, an outer seal cover is provided on the main body of the washing tank, and an inner seal cover is provided on the acid spray device. The inner sealing cover prevents acid liquid from splashing and causing abnormal loss of acid liquid; while the outer sealing cover prevents the leakage of gas generated by volatilization of acid liquid, which is harmful to the working environment of the workshop and the health of operators; the double-layer sealing cover structure is adopted It effectively improves the workshop environment, reduces the abnormal loss of acid solution, and improves the utilization rate of acid solution.

Description

An online pickling device

technical field

The utility model relates to metal bar surface cleaning equipment, in particular to an on-line pickling device for removing scale and rust on the surface of copper alloy bars by using acid solution.

Background technique

The copper rod pickling process is mainly a process of removing the oxide layer on the surface of the copper rod by soaking the extruded or annealed copper alloy rod in acid solution through chemical reaction. At present, the tank-type pickling equipment is used, and the brick-concrete structure is used to manufacture the pickling tank that meets the requirements, and then the inside is covered with acid-resistant materials to ensure that the acid will not leak. According to the formula requirements, add a certain proportion of clear water and acid solution into the tank to obtain the acid solution with a concentration that meets the process requirements. During the operation, the copper rods are bound and lifted with acid-resistant slings, completely immersed in the pickling tank to ensure complete coverage of the acid solution, lifted after soaking for a certain period of time, rinsed with clean water, and then enter the stretching process.

During the use of the above pickling equipment, because the acid liquid is in direct contact with the air, the volatilization of the acid liquid not only causes environmental pollution in the workshop, but also increases the abnormal consumption of the acid liquid; the operator needs a full set of protection during the operation to prevent Injury occurs during the operation; and working in this environment for a long time will cause great harm to the operator.

Contents of the invention

The problem to be solved by the utility model is to provide an on-line pickling device, which adopts a closed structure to ensure that the environment will not be polluted due to the volatilization of the acid solution during the working process, and the utilization rate of the acid solution is improved; at the same time, the efficiency of the pickling operation is improved,

In order to solve the above technical problems, the utility model adopts the following technical solution: an online pickling device, characterized in that: it includes a washing tank main body and a feeding roller table running through the washing tank main body, and the washing tank main body is divided into pickling In the pickling area and the cleaning area, an acid spraying device is provided on a section of the feed roller table corresponding to the pickling area, an outer sealing cover is provided on the main body of the washing tank, and an inner sealing cover is provided on the acid spraying device.

Further, the acid liquid spraying device includes several annular spray pipes distributed along the conveying direction of the feeding roller table, and the several annular spray pipes are connected in series by the acid liquid conveying pipes, and one end of the acid liquid conveying pipes An acid liquid pump is externally connected, and the acid liquid pump communicates with the pickling area of the main body of the washing tank.

Further, the feeding roller table is erected on the main body of the washing tank through a supporting plate, the outer sealing cover is movably connected to the main body of the washing tank, and the inner sealing cover is movably connected to the supporting plate. The inner and outer sealing covers are easy to disassemble and assemble, and are convenient for the maintenance of internal components.

Further, a pickling and drying area is provided between the pickling area and the cleaning area, and a first high-pressure air nozzle connected to a high-pressure air source is provided on the pickling and drying area. Use high-pressure air to dry the acid liquid remaining on the surface of the bar to avoid bringing the acid liquid into the cleaning area.

Further, a cleaning and drying area is provided at the end of the cleaning area, and a second high-pressure air nozzle connected to a high-pressure air source is provided on the cleaning and drying area. Use high-pressure air to dry the water stains on the surface of the bar and enter the next process.

Further, the pickling area of the main body of the washing tank is connected with a clean water adding pipe, an acid liquid adding pipe, an acid gas discharge pipe and an acid liquid overflow pipe.

Further, it also includes an automatic feeding mechanism and an automatic discharging mechanism arranged at both ends of the main body of the washing tank, and an automatic head stripping machine is arranged between the automatic feeding mechanism and the main body of the washing tank. Realize the assembly line operation of automatic bar feeding, automatic head stripping, automatic pickling and automatic discharge, improve the degree of equipment automation and reduce the workload of operators.

The beneficial effects of the utility model:

1. The inner sealing cover prevents the acid liquid from splashing, causing abnormal loss of the acid liquid; the outer sealing cover prevents the leakage of gas generated by the volatilization of the acid liquid, which is harmful to the working environment of the workshop and the health of the operators; double-layer sealing is adopted The cover structure effectively improves the workshop environment, reduces the abnormal loss of acid, and improves the utilization rate of acid;

2. The utility model can be installed together with stretching equipment, and a full set of flow production line is set up. The pickled rods can directly enter the next stretching process, so as to realize the automatic production of the pickling and stretching process.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the external structure of the utility model washing tank main body;

Fig. 3 is a schematic diagram of the internal structure of the utility model washing tank main body;

FIG. 4 is a cross-sectional view along line A-A of FIG. 3 .

Detailed ways

Referring to Figures 2-4, an on-line pickling device includes a washing tank main body 2 and a feeding roller table 5 running through the washing tank main body 2, the washing tank main body 2 is divided into a pickling area 21 and a cleaning area 22, and The pickling area 21 of the tank main body 2 is connected with a clean water adding pipe 26 , an acid liquid adding pipe 27 , an acid gas discharge pipe 28 and an acid liquid overflow pipe 25 . An acid spraying device 6 is provided on a section of the feeding roller table 5 corresponding to the pickling area 21, and an outer sealing cover 29 is provided on the main body 2 of the washing tank, and an inner sealing cover 29 is provided on the acid spraying device 6. Cover 63. The acid spray device 6 comprises several annular spray pipes 62 distributed along the conveying direction of the feeding roller table 5, and the several annular spray pipes 62 are connected in series by the acid liquid conveying pipes 61, and the acid liquid conveying pipes 61 One end is externally connected with an acid pump 9, and the acid pump 9 communicates with the pickling area 21 of the main body 2 of the washing tank. The feeding roller table 5 is erected on the main body 2 of the washing tank through the support plate 51 , the outer sealing cover 29 is movably connected with the main body 2 of the washing tank, and the inner sealing cover 63 is movably connected with the supporting plate 51 . A pickling and drying area 23 is also provided between the pickling area 21 and the cleaning area 22, and a first high-pressure air nozzle 7 connected to a high-pressure air source is arranged on the pickling and drying area 23. The acid solution remaining on the surface of the bar is blown dry by high-pressure air, so as to avoid bringing the acid solution into the cleaning area 22 . The tail section of the cleaning area 22 is also provided with a cleaning and drying area 24, and the cleaning and drying area 24 is provided with a second high-pressure air nozzle 8 connected with a high-pressure air source. Use high-pressure air to dry the water stains on the surface of the bar and enter the next process.

The working process of the present utility model is as follows: first add the acid solution that meets the process concentration requirements for the pickling area 21 of the washing tank main body 2 through the acid liquid addition pipe 27 and the clear water addition pipe 26, and the acid liquid overflow pipe 25 ensures that the pickling area 21 The liquid level height does not exceed the standard safety height. After the bar material enters the feeding roller table 5, the acid liquid pump 9 pressurizes the acid liquid in the pickling area 21, transports it to the annular spray pipe 62 through the acid liquid delivery pipe 61, and sprays it evenly on the bar material surface; When reaching the pickling and drying area 23, the first high-pressure air nozzle 7 sprays high-pressure air to dry the residual acid solution on the surface of the bar; then, the bar enters the cleaning area 22 and enters after being rinsed with a large amount of clear water. The second high-pressure air nozzle 8 on the dry zone 24 sprays high-pressure air to dry the water stains on the surface of the rod; thereby completing the pickling work. Harmful gases produced by the acid solution during pickling can be directly discharged through the acid gas discharge pipe 28, and then discharged into the atmosphere after purification.

Referring to Fig. 1, an automatic feeding mechanism 1 and an automatic discharging mechanism 4 are arranged at both ends of the washing tank main body 2, and an automatic head stripping machine 3 is arranged between the automatic feeding mechanism 1 and the washing tank main body 2. The automatic feeding mechanism 1 is responsible for feeding the bar into the feeding roller table 5, and the automatic discharging mechanism 4 is responsible for transferring the bar to the next process, so as to realize the automatic feeding of the bar, automatic head stripping, automatic pickling, and automatic discharging. Assembly line operation improves equipment automation and reduces operator workload. The utility model can be installed together with stretching equipment, and a full set of flow production line is set up, and the pickled rods directly enter the next stretching process, so as to realize the automatic production of the pickling and stretching process.

Claims (7)

1. An on-line pickling device, characterized in that: comprise a washing tank main body (2) and a feeding roller table (5) running through the washing tank main body (2), the washing tank main body (2) is separated into pickling Area (21) and cleaning area (22), acid liquid spraying device (6) is provided on the first section of feeding roller table (5) corresponding to pickling area (21), and outer washing tank main body (2) is provided with A layer sealing cover (29), and an inner layer sealing cover (63) is arranged on the acid liquid spraying device (6). 2. a kind of on-line pickling device according to claim 1, is characterized in that: described acid spray device (6) comprises several annular spray pipes ( 62), the several annular spray pipes (62) are connected in series by the acid liquid delivery pipe (61), and one end of the acid liquid delivery pipe (61) is externally connected to the acid liquid pump (9), and the acid liquid pump (9) ) communicates with the pickling area (21) of the tank main body (2). 3. A kind of online pickling device according to claim 1 or 2, characterized in that: the feeding roller table (5) is erected on the main body (2) of the washing tank through a support plate (51), and the outer layer The sealing cover (29) is movably connected to the washing tank main body (2), and the inner layer sealing cover (63) is movably connected to the support plate (51). 4. a kind of on-line pickling device according to claim 1, is characterized in that: also be provided with pickling drying area (23) between described pickling area (21) and cleaning area (22), pickling The drying area (23) is provided with a first high-pressure air nozzle (7) connected to a high-pressure air source. 5. A kind of on-line pickling device according to claim 1 or 4, characterized in that: the tail section of the cleaning zone (22) is also provided with a cleaning and drying zone (24), and the cleaning and drying zone (24) The second high-pressure air nozzle (8) connected with the high-pressure air source is arranged on it. 6. A kind of online pickling device according to claim 1 or 2, characterized in that: the pickling area (21) of the washing tank main body (2) is connected with a clear water addition pipe (26), an acid solution addition pipe (27), acid gas discharge pipe (28) and acid liquid overflow pipe (25). 7. A kind of on-line pickling device according to claim 1, characterized in that: it also includes an automatic feeding mechanism (1) and an automatic discharging mechanism (2) arranged at both ends of the washing tank main body (2). An automatic head stripping machine (3) is provided between the feeding mechanism (1) and the washing tank main body (2).

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