Pipeline structure of phosphating filter

Abstract

The utility model belongs to the technical field of phosphating filter equipment, and relates to a pipeline structure of a phosphating filter, which comprises at least two phosphating tanks arranged in parallel, each phosphating tank is respectively connected with a blanking pipe, the lower ends of the blanking pipes are gathered to a blanking main pipe, and the blanking main pipe is connected to an inlet of the phosphating filter; an outlet of the phosphating filter is connected with a filter outlet main pipe, the filter outlet main pipe is connected with the middle of a pipe body of a filter outlet branch pipe, the two ends of the filter outlet branch pipe are respectively connected with the middle of a pipe body of a conveying pipe, and the conveying pipe is divided into a phosphating tank branch pipe and a sewage discharging branch pipe by the filter outlet branch pipe. The upper end of the phosphating tank branch pipe extends into the phosphating tank, and the lower end of the pollution discharge branch pipe is connected to the pollution discharge header pipe. The utilization rate of the phosphating filter can be improved; the one-driving-two filtering requirement of the phosphating filter is met; the whole equipment is compact, and manufacturing and using cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of phosphating filter equipment, and relates to a pipeline structure for a phosphating filter. Background Technology

[0002] With economic development, the demand for phosphating filters has expanded to various electroplating equipment. Traditional phosphating lines use a single phosphating filter in conjunction with a phosphating tank, which can meet most phosphating filtration needs. However, with the increase in phosphating capacity and the number of phosphating tanks per production line, users in various industries are demanding dual-tank phosphating filters. Traditional phosphating filter piping designs cannot meet this requirement, and this also increases costs for users. Summary of the Invention

[0003] To address the aforementioned problems, this utility model provides a pipeline structure for a phosphating filter. This pipeline structure can meet the filtration requirements of a one-to-two phosphating filter, while improving the utilization rate of the phosphating filter and reducing the user's operating costs.

[0004] According to the technical solution of this utility model: a pipeline structure of a phosphating filter, characterized in that: it includes at least two phosphating tanks arranged in parallel with each other, each of the phosphating tanks is connected to a feeding pipe, the lower end of each feeding pipe is connected to a feeding main pipe, and the feeding main pipe is connected to the inlet of the phosphating filter.

[0005] The outlet of the phosphating filter is connected to the main outlet pipe of the filter, which is connected to the middle of the outlet branch pipe of the filter. The two ends of the outlet branch pipe are respectively connected to the middle of the conveying pipe. The outlet branch pipe divides the conveying pipe into a phosphating tank branch pipe and a sewage branch pipe. The upper end of the phosphating tank branch pipe extends into the phosphating tank, and the lower end of the sewage branch pipe is connected to the main sewage pipe.

[0006] As a further improvement of this utility model, the feeding pipe is sequentially equipped with a first ball valve, a first pneumatic ball valve, and a first check valve along the feeding direction.

[0007] As a further improvement of this utility model, a parallel pipeline is provided on the feed pipe corresponding to the outside of the first ball valve and the first pneumatic ball valve, and a second ball valve is installed on the parallel pipeline.

[0008] As a further improvement of this utility model, a third ball valve is installed on the sewage branch pipe, and a second check valve, a second pneumatic ball valve, and a third check valve are sequentially installed on the phosphating tank branch pipe along the liquid conveying direction.

[0009] As a further improvement of this utility model, the feed pipe extends into the cavity of the phosphating tank after penetrating the bottom of the phosphating tank.

[0010] The technical advantages of this utility model are as follows: it can improve the utilization rate of the phosphating filter; meet the dual-filtration requirements of the phosphating filter; and the overall equipment is compact, reducing manufacturing and usage costs. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the existing piping structure for dual phosphating filters.

[0012] Figure 2 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0013] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0014] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0015] Figure 2 The system includes a phosphating filter 1, a phosphating tank 2, a feed pipe 3, a feed main pipe 4, a phosphating tank branch pipe 5, a sewage branch pipe 6, a filter outlet main pipe 7, a filter outlet branch pipe 8, a conveying pipe 9, a sewage main pipe 10, a first ball valve 11, a first pneumatic ball valve 12, a first check valve 13, a second ball valve 14, a parallel pipeline 15, a third ball valve 16, a second check valve 17, a second pneumatic ball valve 18, and a third check valve 19.

[0016] like Figure 2 As shown, this utility model is a pipeline structure of a phosphating filter, including at least two phosphating tanks 2 arranged in parallel with each other, each of the phosphating tanks 2 is connected to a feed pipe 3, and the lower end of each feed pipe 3 is connected to a feed main pipe 4, which is connected to the inlet of the phosphating filter 1.

[0017] The outlet of the phosphating filter 1 is connected to the filter outlet main pipe 7. The filter outlet main pipe 7 is connected to the middle of the filter outlet branch pipe 8. The two ends of the filter outlet branch pipe 8 are respectively connected to the middle of the conveying pipe 9. The filter outlet branch pipe 8 divides the conveying pipe 9 into a phosphating tank branch pipe 5 and a sewage branch pipe 6. The upper end of the phosphating tank branch pipe 5 extends into the phosphating tank 2, and the lower end of the sewage branch pipe 6 is connected to the sewage main pipe 10.

[0018] The first ball valve 11, the first pneumatic ball valve 12, and the first check valve 13 are installed sequentially along the feeding direction on the feeding pipe 3.

[0019] A parallel pipeline 15 is provided on the feed pipe 3 corresponding to the outer side of the first ball valve 11 and the first pneumatic ball valve 12, and a second ball valve 14 is installed on the parallel pipeline 15. Due to the existence of the parallel pipeline 15, backflow can be prevented. Check valves are configured on each branch to prevent backflow and backflow. In order to facilitate maintenance, a ball valve bypass is added to the pneumatic ball valve.

[0020] A third ball valve 16 is installed on the sewage branch pipe 6 to enable manual operation; a second check valve 17, a second pneumatic ball valve 18, and a third check valve 19 are installed sequentially along the liquid conveying direction on the phosphating tank branch pipe 5.

[0021] The feed pipe 3 passes through the bottom of the phosphating tank 2 and extends into the cavity of the phosphating tank 2.

[0022] like Figure 2 As shown, the working principle of this utility model is as follows: After the two phosphating tanks 2 are connected in parallel, their respective feed pipes 3 converge into the main feed pipe 4, and then enter the inlet of the phosphating filter 1; the filter outlet main pipe 7 connected to the outlet of the phosphating filter 1 is connected to the middle of the filter outlet branch pipe 8, and a conveying pipe 9 is connected to each end of the filter outlet branch pipe 8. The upper end of the conveying pipe 9 extends into the phosphating tank 2, and the lower end is connected to the main drain pipe 10. The switching of the inlet and outlet branches of the phosphating filter 1 is automatically achieved by the corresponding start ball valve.

[0023] This utility model is provided with two phosphating tanks 2. In specific production practice, more than two phosphating tanks 2 can be provided as needed.

[0024] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A pipeline structure for a phosphating filter, characterized in that: It includes at least two parallel phosphating tanks (2), each of the phosphating tanks (2) is connected to a feed pipe (3), the lower end of each feed pipe (3) converges to the feed main pipe (4), and the feed main pipe (4) is connected to the inlet of the phosphating filter (1); The outlet of the phosphating filter (1) is connected to the filter outlet main pipe (7), and the filter outlet main pipe (7) is connected to the middle of the filter outlet branch pipe (8). The two ends of the filter outlet branch pipe (8) are respectively connected to the middle of the pipe of a conveying pipe (9). The filter outlet branch pipe (8) divides the conveying pipe (9) into a phosphating tank branch pipe (5) and a sewage branch pipe (6). The upper end of the phosphating tank branch pipe (5) extends into the phosphating tank (2), and the lower end of the sewage branch pipe (6) is connected to the sewage main pipe (10).

2. The pipeline structure of the phosphating filter as described in claim 1, characterized in that: The feeding pipe (3) is sequentially equipped with a first ball valve (11), a first pneumatic ball valve (12), and a first check valve (13) along the feeding direction.

3. The pipeline structure of the phosphating filter as described in claim 2, characterized in that: A parallel pipeline (15) is provided on the feed pipe (3) corresponding to the outside of the first ball valve (11) and the first pneumatic ball valve (12), and a second ball valve (14) is installed on the parallel pipeline (15).

4. The pipeline structure of the phosphating filter as described in claim 1, characterized in that: The third ball valve (16) is installed on the sewage branch pipe (6), and the second check valve (17), the second pneumatic ball valve (18), and the third check valve (19) are installed in sequence along the liquid conveying direction of the phosphating tank branch pipe (5).

5. The pipeline structure of the phosphating filter as described in claim 1, characterized in that: The feed pipe (3) passes through the bottom of the phosphating tank (2) and extends into the cavity of the phosphating tank (2).

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