Multi-box parallel type liquid filtering device

Abstract

The utility model discloses a multi-box parallel type liquid filtering device which comprises a shell, the interior of the shell is divided into an upper section, a middle section and a lower section, each section consists of two filtering boxes, and fillers for filtering sewage are arranged in the filtering boxes; two pipelines are arranged in the filter box in a penetrating manner, the two pipelines are a sewage pipe and a clear water pipe, the sewage pipe in the filter box is positioned above the filler close to the upper end opening, and the clear water pipe in the filter box is positioned below the filler close to the lower end opening; and a sewage line and a clear water line are arranged in the shell. When the multi-box parallel type liquid filtering device is used, the filtering boxes are connected in series, the filtering device is subjected to conventional filtering and backwashing operation by controlling opening and closing of the valves, sewage can be filtered, the filtering boxes can also be subjected to backwashing self-cleaning, subsequent continuous use is facilitated, and filtering assemblies do not need to be frequently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid filtering devices, in particular to a multi-box parallel liquid filtering device. Background Art

[0002] In the process of sewage treatment, filtering treatment is often required. After multiple purification and filtration, it becomes clean water, which can be used in the future. This can not only avoid sewage pollution of the environment, but also put it into use after treatment to avoid waste of resources. Therefore, liquid filtration devices are used for treatment;

[0003] However, the above scheme still has the following problems during use: the existing sewage treatment uses a single box to filter the sewage, or connects multiple boxes in series for continuous treatment. When these methods are used, they can only perform conventional filtration treatment, and the filtering material needs to be replaced. The operation is cumbersome and it is not convenient to perform self-cleaning by backwashing for subsequent use.

[0004] Therefore, we propose a multi-box parallel liquid filtering device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-box parallel liquid filtering device to solve the problem raised by the above background technology that the existing liquid filtering devices on the market all use a single box to filter sewage, or connect multiple boxes in series for continuous treatment, and these methods can only perform conventional filtering treatment when used, and the filtered material needs to be replaced, the operation is cumbersome, and it is not convenient to perform self-cleaning by backwashing to facilitate subsequent use.

[0006] To achieve the above object, the utility model provides the following technical solutions: a multi-box parallel liquid filtering device, comprising a shell, wherein the interior of the shell is arranged into three sections, namely, upper, middle and lower sections, and each section is composed of two filter boxes, and the filter boxes are installed inside the shell, and a filler for filtering sewage is arranged inside the filter boxes;

[0007] The filter box also includes: two pipes are passed through the inside of the filter box, and the two pipes are a sewage pipe and a clean water pipe, and the sewage pipe is located above the filler near the upper end opening in the filter box, and the clean water pipe is located below the filler near the lower end opening in the filter box, and the sewage is sprayed out from the upper end opening of the sewage pipe, passes through the filler, and flows into the clean water pipe from the lower end opening;

[0008] A sewage line and a clean water line are arranged inside the shell, and the bottoms of the sewage line and the clean water line are respectively connected to the sewage tank to be treated and the clean water tank.

[0009] Preferably, a sewage pump and a seventh valve are installed between the bottom of the sewage line and the outlet of the sewage tank to be treated, and a three-way pipe is provided at the bottom of the sewage line, and an eighth valve is installed laterally on the three-way pipe, and the eighth valve facilitates the discharge of backwash sewage. At the same time, the sewage pipes of all filter boxes are connected to the sewage line, and the clean water pipes of all filter boxes are connected to the clean water line.

[0010] Preferably, a tee is provided at the bottom of the clean water line, and the bottom of the tee is connected to the clean water tank through a first valve, and a tap water booster pump, a second valve and a ninth valve are installed in sequence from left to right on the tee, and the left side of the tap water booster pump is connected to the tap water source.

[0011] Preferably, the bottom of the clean water pipe in the upper section of the shell is connected to the clean water line through the sixth valve, and the upper and lower sides of the clean water pipe in the middle section of the shell are connected to the clean water line through the fifth valve and the fourth valve respectively, and the top of the clean water pipe in the lower section of the shell is connected to the clean water line through the third valve, and the bottom of the clean water pipe in the lower section of the shell is connected to the top of the first valve.

[0012] Compared with the prior art, the beneficial effects of the multi-box parallel liquid filtering device of the utility model are: when in use, the filter boxes are connected in series, and the filter device is operated to filter and backwash by controlling the opening and closing of the valve. It can filter sewage and backwash the filter box for self-cleaning, which is convenient for subsequent continuous use without frequent replacement of filter components. The specific contents are as follows:

[0013] 1. Through the operation of the sewage pump, open the first valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve, and the ninth valve, and close the second valve and the eighth valve. At this time, the three internal sections of the box are in operation, and then normal filtering can be carried out;

[0014] 2. Through the operation of the tap water booster pump, open the second valve, the sixth valve and the eighth valve, close the first valve, the third valve, the fourth valve, the fifth valve, the seventh valve and the ninth valve, and then the filter box on the upper part of the box can be backwashed;

[0015] 3. Through the operation of the tap water booster pump, open the second valve, the fourth valve and the eighth valve, close the first valve, the third valve, the fifth valve, the sixth valve, the seventh valve and the ninth valve, and then backwash the filter box in the middle section of the box;

[0016] 4. By running the tap water booster pump, open the second valve, the eighth valve and the ninth valve, and close the first valve, the third valve, the fourth valve, the fifth valve, the sixth valve and the seventh valve, and then backwash the filter box in the lower section of the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front section structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-section structure of the filter box of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall pipeline arrangement structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the middle section structure of the filtering device of the utility model.

[0021] In the figure: 1. Shell; 2. Filter box; 3. Sewage pipe; 4. Clean water pipe; 5. Filler; 6. Water inlet and outlet; 7. Sewage line; 8. Clean water line; 9. First valve; 10. Second valve; 11. Third valve; 12. Fourth valve; 13. Fifth valve; 14. Sixth valve; 15. Seventh valve; 16. Eighth valve; 17. Ninth valve; 18. Tap water booster pump; 19. Sewage pump. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment: In order to solve the problem that the existing liquid filtration treatment device needs to frequently replace the filter components during sewage treatment and is not convenient for self-cleaning, the following solution is proposed. Please refer to Figure 1-Figure 4 As shown,

[0024] The invention comprises a shell 1, and the interior of the shell 1 is arranged into three sections, upper, middle and lower, and each section is composed of two filter boxes 2, and the filter box 2 is installed inside the shell 1, and a filler 5 for filtering sewage is arranged inside the filter box 2, and also comprises: two pipes are passed through the interior of the filter box 2, and the two pipes are a sewage pipe 3 and a clean water pipe 4, and the sewage pipe 3 is located above the filler 5 near the upper end opening in the filter box 2, and the clean water pipe 4 is located below the filler 5 near the lower end opening in the filter box 2, and the sewage is sprayed out from the upper end opening of the sewage pipe 3, passes through the filler 5 and flows into the clean water pipe 4 from the lower end opening, and a sewage line 7 and a clean water line 8 are arranged inside the shell 1, and the sewage The bottom exteriors of line 7 and clean water line 8 are respectively connected to the sewage tank to be treated and the clean water tank. The sewage pipe 3 and the clean water pipe 4 of the filter box 2 are provided with water inlet and outlet 6. When in use, the filter boxes 2 inside the shell 1 are grouped into two to form a filtering treatment unit. The filter box 2 is used to filter and treat the sewage through the internal filler 5. The sewage pump 19 injects the sewage into the sewage pipe 3 through the sewage line 7, and then enters the interior of the filter box 2. After treatment, it is discharged from the clean water pipe 4 at the bottom of the filter box 2. The clean water line 8 is connected to the clean water tank, which can collect the treated clean water and use the stored clean water to backwash the filter box 2 inside the shell 1.

[0025] Please refer to Figure 1-Figure 4 As shown, a sewage pump 19 and a seventh valve 15 are installed between the bottom of the sewage line 7 and the outlet of the sewage tank to be treated, and a three-way pipe is arranged at the bottom of the sewage line 7, and an eighth valve 16 is installed in the transverse direction of the three-way pipe, and the eighth valve 16 is convenient for the discharge of backwashing sewage, and at the same time, the sewage pipes 3 of all filter boxes 2 are connected to the sewage line 7, and the clean water pipes 4 of all filter boxes 2 are connected to the clean water line 8, and a three-way pipe is arranged at the bottom of the clean water line 8, and the bottom of the three-way pipe is connected to the clean water tank through the first valve 9, and the transverse direction of the three-way pipe is from left to right. On the right, a tap water booster pump 18, a second valve 10 and a ninth valve 17 are sequentially installed, and the left side of the tap water booster pump 18 is connected to the tap water source, the bottom of the clean water pipe 4 in the upper section of the shell 1 is connected to the clean water line 8 through the sixth valve 14, and the upper and lower sides of the clean water pipe 4 in the middle section of the shell 1 are connected to the clean water line 8 through the fifth valve 13 and the fourth valve 12 respectively, and the top of the clean water pipe 4 in the lower section of the shell 1 is connected to the clean water line 8 through the third valve 11, and the bottom of the clean water pipe 4 in the lower section of the shell 1 is connected to the top of the first valve 9;

[0026] When performing normal filtering treatment, the sewage pump 19 is running, and the first valve 9, the third valve 11, the fourth valve 12, the fifth valve 13, the sixth valve 14, the seventh valve 15, and the ninth valve 17 are opened, and the second valve 10 and the eighth valve 16 are closed. At this time, the three internal sections of the shell 1 are all in operation, and normal filtering treatment can be performed; when the filter box 2 in the upper section of the shell 1 is backwashed, the tap water booster pump 18 is running, and the second valve 10, the sixth valve 14 and the eighth valve 16 are opened, and the first valve 9, the third valve 11, the fourth valve 12, the fifth valve 13, the seventh valve 16 are closed. 15 and the ninth valve 17; when the filter box 2 in the middle section of the shell 1 is backwashed, the tap water booster pump 18 is operated to open the second valve 10, the fourth valve 12 and the eighth valve 16, and the first valve 9, the third valve 11, the fifth valve 13, the sixth valve 14, the seventh valve 15 and the ninth valve 17 are closed; when the filter box 2 in the lower section of the shell 1 is backwashed, the tap water booster pump 18 is operated to open the second valve 10, the eighth valve 16 and the ninth valve 17, and the first valve 9, the third valve 11, the fourth valve 12, the fifth valve 13, the sixth valve 14 and the seventh valve 15 are closed.

[0027] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-box parallel liquid filtering device, comprising a housing (1), wherein the interior of the housing (1) is arranged into three sections, namely, upper, middle and lower sections, and each section is composed of two filter boxes (2), and the filter boxes (2) are installed inside the housing (1), and a filler (5) for filtering sewage is arranged inside the filter boxes (2); Features: Also includes: Two pipes are passed through the interior of the filter box (2), and the two pipes are a sewage pipe (3) and a clean water pipe (4), and the sewage pipe (3) is located above the filler (5) near the upper end opening in the filter box (2), and the clean water pipe (4) is located below the filler (5) near the lower end opening in the filter box (2), and sewage is sprayed out from the upper end opening of the sewage pipe (3), passes through the filler (5), and flows into the clean water pipe (4) from the lower end opening; The sewage pipe (3) and the clean water pipe (4) of the filter box (2) are provided with water inlets and outlets (6); A sewage line (7) and a clean water line (8) are arranged inside the shell (1), and the bottoms of the sewage line (7) and the clean water line (8) are respectively connected to the sewage tank to be treated and the clean water tank.

2. The multi-box parallel liquid filtering device according to claim 1, characterized in that: A sewage pump (19) and a seventh valve (15) are installed between the bottom of the sewage line (7) and the outlet of the sewage tank to be treated, and a three-way pipe is provided at the bottom of the sewage line (7), and an eighth valve (16) is installed in the transverse direction of the three-way pipe, and the eighth valve (16) facilitates the discharge of backwash sewage. At the same time, the sewage pipes (3) of all the filter boxes (2) are connected to the sewage line (7), and the clean water pipes (4) of all the filter boxes (2) are connected to the clean water line (8).

3. The multi-box parallel liquid filtering device according to claim 1, characterized in that: A three-way pipe is provided at the bottom of the clean water line (8), and the bottom of the three-way pipe is connected to the clean water tank through a first valve (9), and a tap water booster pump (18), a second valve (10) and a ninth valve (17) are installed in sequence from left to right on the three-way pipe, and the left side of the tap water booster pump (18) is connected to a tap water source.

4. The multi-box parallel liquid filtering device according to claim 1, characterized in that: The bottom of the clean water pipe (4) in the upper section of the shell (1) is connected to the clean water line (8) via a sixth valve (14), and the upper and lower sides of the clean water pipe (4) in the middle section of the shell (1) are connected to the clean water line (8) via a fifth valve (13) and a fourth valve (12), respectively, and the top of the clean water pipe (4) in the lower section of the shell (1) is connected to the clean water line (8) via a third valve (11), and the bottom of the clean water pipe (4) in the lower section of the shell (1) is connected to the top of the first valve (9).

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