Treatment equipment for stainless steel cold rolling pickling wastewater

By using a partition to separate the filter chamber and valve control in the stainless steel cold rolling pickling wastewater treatment equipment, the problem of production disruption during filter plate cleaning or replacement is solved, and online filter plate replacement and continuous filtration are achieved.

CN223861393UActive Publication Date: 2026-02-03DEVO TECH (TIANJIN) CO LTD
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Patent Information

Application Number
CN202520149211.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-02-03
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In the current process of treating stainless steel cold rolling pickling wastewater, the filtration work needs to be stopped when the filter plates need to be cleaned or replaced regularly, which affects normal production.

Method used

Design a stainless steel cold rolling pickling wastewater treatment equipment. The internal structure of the tank is divided into two independent filtration chambers by a partition. The flow of wastewater to different filter plates is controlled by valves, which realizes online cleaning or replacement of filter plates and ensures the continuity of filtration.

Benefits of technology

This ensures that the filtration process is not affected during filter plate cleaning or replacement, thus guaranteeing production continuity and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wastewater treatment, in particular to stainless steel cold rolling pickling wastewater treatment equipment which comprises a box body, cleaning ports are arranged on two sides of the box body, protective doors are arranged in the two cleaning ports, a first valve and a second valve are fixed at the top end of the box body, and a vertical pipe is fixed at the top end of the first valve. A connecting pipe is fixed to the top end of the second valve, the end, away from the second valve, of the connecting pipe is connected with the vertical pipe, a partition plate is fixed in the box body, two clamping bases are fixed to the two sides of the partition plate and the opposite side walls of the two protective doors correspondingly, a first filter plate and a second filter plate are arranged on the two sides of the partition plate correspondingly, and a third valve and a fourth valve are fixed to one side of the box body; a guide pipe is fixed to the end, away from the box body, of the third valve, a bent pipe is fixed to the end, away from the box body, of the fourth valve, and the guide pipe is connected. When the first filter plate and the second filter plate are cleaned or replaced, filtering work is not affected, and circulating filtering is facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a treatment device for stainless steel cold rolling pickling wastewater. Background Technology

[0002] Wastewater treatment utilizes physical, chemical, and biological methods to purify wastewater, reduce pollution, and ultimately achieve wastewater recycling and reuse, fully utilizing water resources. Commonly used agents in wastewater treatment include flocculants, coagulants, and conditioners. Treatment technologies include pretreatment, novel filter media, and ceramic membranes. In the treatment of stainless steel cold-rolling pickling wastewater, filtration is required. The filter plates used for filtration need to be removed, cleaned, or replaced periodically. Cleaning or replacing the filter plates typically requires stopping wastewater filtration, thus disrupting normal filtration operations. Utility Model Content

[0003] To address the problems in the existing technology, this utility model provides a treatment device for stainless steel cold rolling pickling wastewater.

[0004] The technical solution adopted by this utility model to solve its technical problem is a treatment equipment for stainless steel cold rolling pickling wastewater, including a tank body. Both sides of the tank body are provided with cleaning ports, and each cleaning port is equipped with a protective door. Both protective doors are connected to the tank body by bolts. A first valve and a second valve are fixed to the top of the tank body. A vertical pipe is fixed to the top of the first valve, and a connecting pipe is fixed to the top of the second valve. The end of the connecting pipe away from the second valve is connected to the vertical pipe. The bottom ends of both the first and second valves extend into the tank body. A partition is fixed inside the tank body, located between the first and second valves. Two retaining seats are fixed to both sides of the partition and the opposing side walls of the two protective doors. A first filter plate and a second filter plate are provided on both sides of the partition. A third valve and a fourth valve are fixed to one side of the tank body. A conduit is fixed to the end of the third valve away from the tank body, and a bent pipe is fixed to the end of the fourth valve away from the tank body. The end of the bent pipe away from the fourth valve is connected to the conduit.

[0005] By adopting the above technical solution, the partition divides the inside of the box into two independent filtration chambers. Opening the first and third valves and closing the second and fourth valves allows wastewater to be filtered to enter the box through a vertical pipe and the first valve. The first and second filter plates below the first valve filter the wastewater, and the filtered water is discharged through a conduit. When cleaning or replacing the first and second filter plates below the first valve is required, closing the first and third valves and opening the second and fourth valves allows wastewater to enter the box through the vertical pipe and the second valve. The first and second filter plates below the second valve filter the wastewater, and the filtered water is discharged through the fourth valve, a bend in the pipe, and a conduit. Removing the protective door near the first valve and pulling out the first and second filter plates allows for cleaning or replacement. While cleaning the first and second filter plates, the first and second filter plates below the second valve can be used for wastewater filtration, ensuring the normal operation of the filtration process.

[0006] Specifically, a flexible hose is threadedly connected to the top end of the vertical pipe.

[0007] By adopting the above technical solution, the design of the hose facilitates connection with external wastewater storage containers or equipment, making it easy to introduce wastewater into the tank.

[0008] Specifically, both of the protective doors are fixed with rubber sealing frames.

[0009] By adopting the above technical solution, the rubber sealing frame improves the sealing performance between the enclosure and the protective door.

[0010] Specifically, a support plate is provided at the bottom of the box, and support legs are fixed at the four corners of the bottom of the box. The bottom ends of the four support legs are connected to the support plate, and a water pump is fixed at the top of the support plate. The water pump's inlet pipe is connected to a conduit, and a telescopic pipe is fixed on the water pump's outlet pipe.

[0011] By adopting the above technical solution, the water pump and the telescopic pipe are designed to facilitate the introduction of filtered water into designated equipment for subsequent treatment, or the end of the telescopic pipe away from the water pump can be connected to the vertical pipe to introduce the filtered water into the tank for circulation filtration.

[0012] Specifically, a support is provided on one side of the water pump, and a winding column is fixed to the top of the support.

[0013] By adopting the above technical solution, the setting of the support and the winding column facilitates the storage of the telescopic tube.

[0014] Specifically, the housing has two observation ports on one side of the third valve, and both observation ports are equipped with glass.

[0015] By adopting the above technical solution, the inside of the enclosure can be easily observed through the observation port and glass.

[0016] The beneficial effects of this utility model are:

[0017] (1) The stainless steel cold rolling pickling wastewater treatment equipment described in this utility model has a partition that divides the inside of the box into two independent filtration chambers. The first valve and the third valve are opened, and the second valve and the fourth valve are closed. The wastewater to be filtered is introduced into the box through the vertical pipe and the first valve. The first filter plate and the second filter plate below the first valve filter the wastewater. The filtered water is discharged through the conduit. When it is necessary to clean or replace the first filter plate and the second filter plate below the first valve, the first valve and the third valve are closed, and the second valve and the fourth valve are opened. The wastewater enters the box through the vertical pipe and the second valve. The first filter plate and the second filter plate below the second valve filter the wastewater. The filtered water is discharged through the fourth valve, the bend, and the conduit. The protective door near the first valve is removed and the first filter plate and the second filter plate are pulled out for cleaning or replacement. When cleaning the first filter plate and the second filter plate, the first filter plate and the second filter plate below the second valve can be used to filter the wastewater, ensuring the normal operation of the filtration work.

[0018] (2) The stainless steel cold rolling pickling wastewater treatment equipment described in this utility model has a water pump and a telescopic pipe, which facilitates the introduction of the filtered water into the designated equipment for subsequent treatment, or the end of the telescopic pipe away from the water pump is connected to the vertical pipe, which can introduce the filtered water into the tank for circulation filtration. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the housing of this utility model;

[0022] Figure 3 For the present utility model Figure 2 Enlarged view of the structure at point A in the middle.

[0023] In the diagram: 1. Box body; 2. Protective door; 3. Support plate; 4. First valve; 5. Vertical pipe; 6. Flexible hose; 7. Connecting pipe; 8. Second valve; 9. Glass; 10. Third valve; 11. Conduit; 12. Water pump; 13. Telescopic pipe; 14. Support; 15. Winding column; 16. Bend; 17. Fourth valve; 18. Card seat; 19. First filter plate; 20. Second filter plate; 21. Partition plate; 22. Rubber sealing frame. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] In order to ensure that the filtration of wastewater is not affected when cleaning or replacing the first filter plate 19 and the second filter plate 20, as an embodiment of this utility model, such as Figure 1 , Figure 2 As shown, the present invention discloses a treatment device for stainless steel cold rolling pickling wastewater, comprising a housing 1. Cleaning ports are provided on both sides of the housing 1, and protective doors 2 are provided in each of the two cleaning ports. Both protective doors 2 are connected to the housing 1 by bolts. A first valve 4 and a second valve 8 are welded and fixed to the top of the housing 1. A vertical pipe 5 is welded and fixed to the top of the first valve 4, and a connecting pipe 7 is welded and fixed to the top of the second valve 8. The end of the connecting pipe 7 away from the second valve 8 is welded and connected to the vertical pipe 5. The bottom ends of both the first valve 4 and the second valve 8 extend into the housing 1. A partition 21 is welded and fixed inside the box body 1. The partition 21 is located between the first valve 4 and the second valve 8. Two card seats 18 are welded and fixed on both sides of the partition 21 and on the opposing side walls of the two protective doors 2. A first filter plate 19 and a second filter plate 20 are provided on both sides of the partition 21. A third valve 10 and a fourth valve 17 are welded and fixed on one side of the box body 1. A conduit 11 is welded and fixed to the end of the third valve 10 away from the box body 1. A bent pipe 16 is welded and fixed to the end of the fourth valve 17 away from the box body 1. The end of the bent pipe 16 away from the fourth valve 17 is welded and connected to the conduit 11.

[0026] In use, partition 21 divides the interior of housing 1 into two independent filtration chambers. First valve 4 and third valve 10 are opened, while second valve 8 and fourth valve 17 are closed. Wastewater to be filtered is introduced into housing 1 through vertical pipe 5 and first valve 4. First filter plate 19 and second filter plate 20 below first valve 4 filter the wastewater. The filtered water is discharged through conduit 11. When cleaning or replacing first filter plate 19 and second filter plate 20 below first valve 4 is required, first valve 4 and third valve 10 are closed, and second valve 8 and fourth valve 17 are opened. Wastewater enters the housing 1 through the vertical pipe 5 and the second valve 8. The first filter plate 19 and the second filter plate 20 below the second valve 8 filter the wastewater. The filtered water is discharged through the fourth valve 17, the bend 16, and the conduit 11. The first filter plate 19 and the second filter plate 20 can be removed for cleaning or replacement by removing the protective door 2 near the first valve 4 and pulling out the first filter plate 19 and the second filter plate 20. When cleaning the first filter plate 19 and the second filter plate 20, the first filter plate 19 and the second filter plate 20 below the second valve 8 can be used to filter the wastewater, ensuring the normal operation of the filtration work.

[0027] To facilitate the introduction of wastewater into tank 1, for example, as shown... Figure 1 As shown, a flexible hose 6 is threadedly connected to the top end of the vertical pipe 5.

[0028] When in use, the hose 6 is designed to facilitate connection with external wastewater storage containers or equipment, making it easy to introduce wastewater into the tank 1.

[0029] To improve sealing, for example, such as Figure 3 As shown, both protective doors 2 are fixed with rubber sealing frames 22 by adhesive.

[0030] To facilitate the transfer of filtered water to other containers or wastewater treatment equipment, or to facilitate recycling filtration, for example, such as Figure 1 As shown, a support plate 3 is provided at the bottom of the box body 1. Support legs are welded and fixed at the four corners of the bottom of the box body 1. The bottom ends of the four support legs are welded and connected to the support plate 3. A water pump 12 is fixed to the top of the support plate 3 by bolts. The water inlet pipe of the water pump 12 is welded and connected to the conduit 11. A telescopic pipe 13 is welded and fixed to the drain pipe of the water pump 12.

[0031] In use, the water pump 12 and the telescopic pipe 13 are designed to facilitate the introduction of the filtered water into the designated equipment for subsequent treatment, or the end of the telescopic pipe 13 away from the water pump 12 can be threaded to the vertical pipe 5 to introduce the filtered water into the tank 1 for circulation filtration.

[0032] For convenient storage of the telescopic tube 13, for example, as shown... Figure 1 As shown, a support 14 is provided on one side of the water pump 12, and a winding column 15 is welded and fixed to the top of the support 14.

[0033] To facilitate observation of the interior of housing 1, for example, as shown below. Figure 1 As shown, the housing 1 has two observation ports on one side of the third valve 10, and each observation port is equipped with glass 9. Both glass 9 are connected to the housing 1 by adhesive.

[0034] When this utility model is in use, the partition 21 divides the inside of the box 1 into two independent filter chambers. The first valve 4 and the third valve 10 are opened, and the second valve 8 and the fourth valve 17 are closed. The wastewater to be filtered is introduced into the box 1 through the vertical pipe 5 and the first valve 4. The first filter plate 19 and the second filter plate 20 below the first valve 4 filter the wastewater. The filtered water is discharged through the conduit 11.

[0035] When it is necessary to clean or replace the first filter plate 19 and the second filter plate 20 below the first valve 4, close the first valve 4 and the third valve 10, and open the second valve 8 and the fourth valve 17. Wastewater enters the tank 1 through the vertical pipe 5 and the second valve 8. The first filter plate 19 and the second filter plate 20 below the second valve 8 filter the wastewater. The filtered water is discharged through the fourth valve 17, the bend pipe 16, and the conduit 11. Remove the protective door 2 near the first valve 4 and pull out the first filter plate 19 and the second filter plate 20 to take out the first filter plate 19 and the second filter plate 20 for cleaning or replacement. When cleaning the first filter plate 19 and the second filter plate 20, the first filter plate 19 and the second filter plate 20 below the second valve 8 can be used to filter the wastewater, ensuring the normal operation of the filtration work.

[0036] The water pump 12 and the telescopic pipe 13 are designed to facilitate the introduction of filtered water into designated equipment for subsequent treatment, or to connect the end of the telescopic pipe 13 away from the water pump 12 to the vertical pipe 5 by thread, so that the filtered water can be introduced into the tank 1 for circulation filtration.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. Contents not described in detail in this utility model are considered prior art known to those skilled in the art.

Claims

1. A treatment device for stainless steel cold rolling pickling wastewater, characterized in that, The enclosure includes a housing (1), with cleaning ports on both sides. Each cleaning port has a protective door (2), which is bolted to the housing (1). A first valve (4) and a second valve (8) are fixed to the top of the housing (1). A vertical pipe (5) is fixed to the top of the first valve (4), and a connecting pipe (7) is fixed to the top of the second valve (8). The end of the connecting pipe (7) away from the second valve (8) is connected to the vertical pipe (5). The bottom ends of both the first valve (4) and the second valve (8) extend into the housing (1). A partition (21) is fixed inside the housing (1). The partition (21) is located between the first valve (4) and the second valve (8). Two card seats (18) are fixed on both sides of the partition (21) and the opposite side walls of the two protective doors (2). The partition (21) is provided with a first filter plate (19) and a second filter plate (20) on both sides. A third valve (10) and a fourth valve (17) are fixed on one side of the box (1). A conduit (11) is fixed to the end of the third valve (10) away from the box (1). A bend (16) is fixed to the end of the fourth valve (17) away from the box (1). The end of the bend (16) away from the fourth valve (17) is connected to the conduit (11).

2. The stainless steel cold rolling pickling wastewater treatment equipment according to claim 1, characterized in that, The top end of the vertical pipe (5) is threaded with a flexible tube (6).

3. The stainless steel cold rolling pickling wastewater treatment equipment according to claim 1, characterized in that, Both of the protective doors (2) are fixed with rubber sealing frames (22).

4. The stainless steel cold rolling pickling wastewater treatment equipment according to claim 1, characterized in that, The box (1) is provided with a support plate (3) at the bottom. Support legs are fixed at the four corners of the bottom of the box (1). The bottom ends of the four support legs are connected to the support plate (3). A water pump (12) is fixed at the top of the support plate (3). The water inlet pipe of the water pump (12) is connected to the conduit (11). A telescopic pipe (13) is fixed on the drain pipe of the water pump (12).

5. The stainless steel cold rolling pickling wastewater treatment equipment according to claim 4, characterized in that, The water pump (12) has a support (14) on one side, and a winding column (15) is fixed at the top of the support (14).

6. The stainless steel cold rolling pickling wastewater treatment equipment according to claim 1, characterized in that, The housing (1) is provided with two observation ports on one side of the third valve (10), and each observation port is provided with glass (9).