Sewage treatment device with backwashing function

Abstract

The utility model discloses a sewage treatment device with backwashing function, which comprises a frame, a sewage treatment mechanism, a two-way pipe, two connecting pipes, an air compressor and a wiring pipe, the sewage treatment mechanism is fixed on the frame, the two-way pipe is horizontally arranged, the number of the connecting pipes is two, and the air compressor is fixed on the frame. The connecting pipes are arranged between the two-way pipe and the sewage treatment mechanism in parallel, a first valve is arranged on each connecting pipe, an air inlet is formed in one end of the two-way pipe, a water outlet is formed in the other end of the two-way pipe, a second valve is arranged on one side of the water outlet to control opening and closing of the water outlet, and a third valve is arranged on one side of the air inlet to control opening and closing of the air inlet. One end of the wiring pipe is connected with the air compressor, and the other end of the wiring pipe is selectively connected with the air inlet or the pollution discharge treatment mechanism, so that power for sewage treatment or backwashing is provided. Filtering and backwashing are achieved by arranging the two-way pipe, the air inlet and the water outlet of the two-way pipe, blocking of the filtering net pieces is avoided, and the sewage treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sewage treatment device with a backwash function. Background Art

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. There are many ways to treat wastewater, such as screen filtration, sedimentation, flotation, and adsorption in physical treatment methods, oxidation and neutralization in chemical treatment methods, and itchy biological treatment, anaerobic biological treatment, and plant treatment in biological treatment methods.

[0003] Sewage treatment equipment often combines physical, chemical and biological treatment methods, and arranges several sewage treatment methods in order of levels to achieve the best treatment effect.

[0004] In the existing sewage treatment process, the filtration stage is often involved after the sewage is graded. During the filtration process, impurities in the sewage will be intercepted outside the filtration equipment, thereby achieving sewage purification. However, the filtration holes of the filtration device itself will be blocked in the process of intercepting impurities. As the sewage treatment continues, its filtration effect and efficiency will decline, thereby affecting the treatment effect of the entire sewage treatment equipment. Utility Model Content

[0005] The utility model aims to provide a sewage treatment device with a backwashing function, which has the advantages of being able to backwash a filter screen to prevent the filter screen from being blocked and improving sewage treatment efficiency.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A sewage treatment device with a backwash function comprises a frame, a sewage treatment mechanism, a two-way pipe, a connecting pipe, an air compressor, and a wiring pipe. The sewage treatment mechanism is fixed on the frame, the two-way pipe is arranged horizontally, two connecting pipes are provided, which are arranged in parallel between the two-way pipe and the sewage treatment mechanism, and each connecting pipe is provided with a valve 1. One end of the two-way pipe is an air inlet, and the other end is a water outlet. A valve 2 is provided on one side of the water outlet to control the opening and closing of the water outlet, and a valve 3 is provided on one side of the air inlet to control the opening and closing of the air inlet. One end of the wiring pipe is connected to the air compressor, and the other end can be selectively connected to the air inlet or the sewage treatment mechanism, thereby providing power for sewage treatment or backwashing.

[0008] Preferably, the sewage treatment mechanism includes an aeration barrel, a water pump, a conduit, a filter pipe, and a return pipe. The aeration barrel is fixed at one end of the frame, and an aeration pipe is placed inside the aeration barrel. The aeration port of the aeration pipe can be connected to the wiring pipe of the punching machine. One end of the water pump is connected to the bottom of the aeration barrel through a bottom pipe, and the other end is connected to the conduit to pump the aerated water in the aeration barrel into the conduit. Two filter pipes are provided, which are arranged in parallel on the upper part of the conduit, and the other end of the filter pipe is connected to the return pipe through the valve four.

[0009] Preferably, a filter mesh is fixedly connected to the interior below the filter tube, the filter mesh is arranged horizontally, the two-way tube is connected to the filter tube through the connecting tube, and the height of the connecting tube is higher than the height of the filter mesh.

[0010] Preferably, a control box is fixedly connected to the frame, and a flow meter is provided at the conduit.

[0011] Preferably, a drain pipe is provided at the lower part of the aeration barrel, and the drain pipe is connected to the middle part of the bottom pipe. A valve five is provided on one side of the connection between the drain pipe and the bottom pipe, and a valve six is ​​provided on the other side. Normal sewage treatment or backwash discharge of the bottom pipe is achieved by opening and closing valves five and six.

[0012] Preferably, a water collecting bucket is provided at the lower portion of the water outlet to receive the treated water.

[0013] By adopting the above technical solution, when sewage treatment is carried out, the sewage is placed in the aeration barrel, and activated carbon or cleaning agents are added to the aeration barrel to aerate the sewage. During the aeration process, valve four and valve five are opened and other valves are closed so that the sewage passes from the aeration barrel through the conduit and then through the filter pipe, and then through the return pipe and back to the aeration barrel, thereby forming a cycle for reciprocating treatment; when the sewage is treated, it is necessary to discharge the treated clean water. At this time, valve one, valve two and valve five are opened and other valves are closed, so that the treated clean water passes from the aeration barrel through the conduit and then through the connecting pipe, and is transported from the connecting pipe to the two-way pipe. Since valve two is open and valve three is closed, the clean water flows out from the outlet and enters Complete the collection of clean water in the water collection bucket; when the filter mesh is clogged and affects the filtration efficiency during the treatment process, open valve one, valve three, valve five and valve six, close other valves, and insert the plug of the air compressor into the air inlet, so that the exhaust gas in the air compressor enters the two-way pipe from the air inlet, from the two-way pipe to the connecting pipe, and then from the connecting pipe into the filter pipe, backflushing the filter mesh in the filter pipe, and the gas blows down the impurities clogged in the filter mesh, so that the impurities in the filter mesh are backflushed and blown out from the bottom of the bottom pipe. When the aeration barrel needs to be cleaned, close valve five and open valve six, and let the dirt in the aeration barrel go down the drain pipe and then be discharged to the bottom pipe mouth, thereby realizing backwashing to remove the blockage in the filter mesh and improve the filtration efficiency of the filter mesh.

[0014] The advantages of this utility model are: 1. In the forward treatment process, the circulation between the aeration barrel, the filter tube and the pipelines realizes reciprocating filtration, so that the sewage can be treated more cleanly; 2. After the treatment is completed, there is a water outlet, that is, a water collection bucket, which can discharge the clean water in time to avoid the mixing of clean water and sewage, thereby improving the treatment efficiency; 3. The air compressor provides backwashing gas power to achieve backwashing, which can clean the filter mesh and avoid its clogging that affects the filtration efficiency; 4. This utility model can use only one air compressor, and realize different functions by changing the position of the insertion port in the sewage treatment and backwashing modes, saving energy and improving utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of an embodiment;

[0016] Figure 2 Schematic diagram of the placement of the filter mesh;

[0017] Figure 3 Schematic diagram of the location of the aeration pipe.

[0018] Figure numerals: 1. Frame; 2. Control box; 3. Aeration tank; 4. Water pump; 5. Bottom pipe; 6. Filter pipe; 7. Return pipe; 8. Two-way pipe; 9. Connecting pipe; 10. Valve one; 11. Valve four; 12. Flow meter; 13. Water collecting bucket; 14. Air compressor; 15. Wiring pipe; 16. Water outlet; 17. Air inlet; 18. Filter mesh; 19. Valve two; 20. Valve three; 21. Valve five; 22. Valve six; 23. Sewage pipe; 24. Aeration port; 25. Aeration pipe; 26. Conduit. DETAILED DESCRIPTION

[0019] The following description is merely a preferred embodiment of the present invention, and the scope of protection is not limited to this embodiment. All technical solutions based on the principles of the present invention should be included in the scope of protection of the present invention. It should also be noted that improvements and modifications that do not depart from the principles of the present invention by ordinary skill in the art should also be considered within the scope of protection of the present invention.

[0020] Attach Figure 1 As shown, a sewage treatment device with backwash function includes a frame 1, a sewage treatment mechanism, a two-way pipe 8, a connecting pipe 9, an air compressor 14, and a wiring pipe 15. The sewage treatment mechanism is fixed on the frame 1.

[0021] Attach Figure 1 As shown, the two-way pipe 8 is arranged horizontally, and two connecting pipes 9 are provided, which are arranged in parallel between the two-way pipe 8 and the sewage treatment mechanism, and valve one 10 is provided on the connecting pipe 9. One end of the two-way pipe 8 is an air inlet 17, and the other end is a water outlet 16. A valve two 19 is provided on one side of the water outlet 16 to control the opening and closing of the water outlet 16, and a valve three 20 is provided on one side of the air inlet 17 to control the opening and closing of the air inlet 17. One end of the connecting pipe 15 is connected to the air compressor 14, and the other end can be selectively connected to the air inlet 17 or the sewage treatment mechanism, thereby providing power for sewage treatment or backwashing.

[0022] Here, a filter mesh 18 is fixedly connected to the interior below the filter tube 6 , and the filter mesh 18 is arranged horizontally. The two-way tube 8 is connected to the filter tube 6 through a connecting tube 9 , and the height of the connecting tube 9 is higher than the height of the filter mesh 18 .

[0023] Attach Figure 1As shown, the sewage treatment mechanism includes an aeration barrel 3, a water pump 4, a conduit 26, a filter pipe 6, and a return pipe 7. The aeration barrel 3 is fixed to one end of the frame 1, and an aeration pipe 25 is placed inside the aeration barrel 3. The aeration port 24 of the aeration pipe 25 can be connected to the wiring pipe 15 of the punching machine. One end of the water pump 4 is connected to the bottom of the aeration barrel 3 through the bottom pipe 5, and the other end is connected to the conduit 26 to pump the aerated water in the aeration barrel 3 into the conduit 26. Two filter pipes 6 are provided, which are arranged in parallel on the upper part of the conduit 26, and the other end of the filter pipe 6 is connected to the return pipe 7 through a valve four 11.

[0024] A sewage pipe 23 is provided at the lower part of the aeration barrel 3, and the sewage pipe 23 is connected to the middle part of the bottom pipe 5. A valve 5 21 is provided on one side of the connection between the sewage pipe 23 and the bottom pipe 5, and a valve 6 22 is provided on the other side. The normal sewage treatment or backwash discharge of the bottom pipe 5 is achieved by opening and closing the valve 5 21 and the valve 6 22.

[0025] When the present application is in the sewage treatment state, first connect the joint of the connecting pipe 15 of the air compressor 14 to the aeration port 24 of the aeration pipe 25 to provide power for aeration. At this time, open valve five 21 and valve four 11, and close other valves, so that the sewage is aerated in the aeration barrel 3, and then flows into the bottom pipe 5 from the sewage pipe, and then passes through the water pump 4 from the bottom pipe 5, and then passes through the conduit 26, and passes through the two filter pipes 6 from the conduit 26, and enters the return pipe 7 from the filter pipe 6, and then the return pipe 7 returns the filtered sewage once to the aeration barrel 3 for aeration again, thereby filtering and treating the sewage again and again. When the sewage is treated cleanly and meets the standards, close valve four 11, open valve one 10 and valve two 19, so that the filtered clean water passes through the filter pipe 6 and then through the connecting pipe 9, and then enters the two-way pipe 8 from the connecting pipe 9, and is discharged from the water outlet 16 of the two-way pipe 8, thereby achieving the effect of sewage treatment.

[0026] In the process of continuous sewage treatment, a large amount of impurities are contaminated and blocked on the filter net, thereby affecting the filtration efficiency. Backwashing is required at this time. In this state, there is no sewage in the aeration pipe 25, and the water pump 4 is turned off. At this time, valve one 10, valve three 20, valve five 21 and valve six 22, other valves are closed, and the joint of the connecting pipe 15 of the air compressor 14 is connected to the air inlet 17 of the two-way pipe 8. At this time, the air compressor 14 provides gas, and the gas enters the lower part of the filter tube 6 through the two-way pipe 8, backwashing the impurities and blockages on the filter mesh 18, flushing them into the conduit 26, and then flushing them into the bottom pipe 5 through the conduit 26. Since the valve five 21 and valve six 22 on the bottom pipe 5 are open, the impurities are discharged from the pipe mouth of the bottom pipe 5, thereby achieving the effect of backwashing, cleaning the filter mesh 18, and improving the filtering effect of the filter mesh 18 afterwards.

[0027] In addition, when it is necessary to deal with impurities in the aeration tank 3, you can also close valve five 21 and open valve six 22 to flush the impurities in the aeration tank 3 from the sewage pipe 23 into the pipe mouth of the bottom pipe 5, which can also improve the aeration effect to a certain extent and improve the efficiency of sewage treatment.

[0028] Attach Figure 1 As shown, a water collection bucket 13 is provided below the water outlet 16 to receive the treated water. Furthermore, a control box 2 is fixedly connected to the frame 1, and a flow meter 12 is provided at the conduit 26. The flow meter 12 detects the water flow, and the control box 2 electrically controls the pump 4 to achieve an appropriate sewage treatment speed, avoiding excessive flow that damages the filter mesh 18 or excessive flow that affects sewage treatment efficiency.

Claims

1. A sewage treatment device with backwash function, comprising a frame (1), a sewage treatment mechanism, a two-way pipe (8), a connecting pipe (9), an air compressor (14), and a wiring pipe (15), wherein the sewage treatment mechanism is fixed on the frame (1), and is characterized in that: The two-way pipe (8) is arranged horizontally, and two connecting pipes (9) are provided, which are arranged in parallel between the two-way pipe (8) and the sewage treatment mechanism, and each connecting pipe (9) is provided with a valve one (10). One end of the two-way pipe (8) is an air inlet (17), and the other end is a water outlet (16). A valve two (19) is provided on one side of the water outlet (16) to control the opening and closing of the water outlet (16), and a valve three (20) is provided on one side of the air inlet (17) to control the opening and closing of the air inlet (17). One end of the wiring pipe (15) is connected to the air compressor (14), and the other end can be selectively connected to the air inlet (17) or the sewage treatment mechanism, thereby providing power for sewage treatment or backwashing.

2. A sewage treatment device with backwashing function according to claim 1, characterized in that: The sewage treatment mechanism includes an aeration barrel (3), a water pump (4), a conduit (26), a filter pipe (6), and a return pipe (7). The aeration barrel (3) is fixed to one end of the frame (1). An aeration pipe (25) is placed inside the aeration barrel (3). The aeration port (24) of the aeration pipe (25) can be connected to the wiring pipe (15) of the punching machine. One end of the water pump (4) is connected to the bottom of the aeration barrel (3) through a bottom pipe (5), and the other end is connected to the conduit (26) to pump the aerated water in the aeration barrel (3) into the conduit (26). Two filter pipes (6) are provided and arranged in parallel on the upper part of the conduit (26). The other end of the filter pipe (6) is connected to the return pipe (7) through the valve four (11).

3. The sewage treatment device with backwash function according to claim 2, characterized in that: A filter mesh (18) is fixedly connected to the interior of the filter tube (6) below, and the filter mesh (18) is arranged horizontally. The bidirectional tube (8) is connected to the filter tube (6) via the connecting tube (9), and the height of the connecting tube (9) is higher than the height of the filter mesh (18).

4. A sewage treatment device with backwashing function according to claim 3, characterized in that: A control box (2) is fixedly connected to the frame (1), and a flow meter (12) is provided at the conduit (26).

5. The sewage treatment device with backwash function according to claim 4, characterized in that: A sewage pipe (23) is provided at the lower part of the aeration barrel (3), and the sewage pipe (23) is connected to the middle part of the bottom pipe (5). A valve five (21) is provided on one side of the connection between the sewage pipe (23) and the bottom pipe (5), and a valve six (22) is provided on the other side. Normal sewage treatment or backwash sewage discharge of the bottom pipe (5) is achieved by opening and closing the valve five (21) and the valve six (22).

6. The sewage treatment device with backwash function according to claim 5, characterized in that: A water collecting bucket (13) is provided at the lower portion of the water outlet (16) to receive the treated water.

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