Biological tank structure of sewage treatment plant

Abstract

The biological tank structure of the sewage treatment plant comprises a treatment tank body, a biological filter material plate and a double-water-inlet water pump, a tank cavity partition plate is installed in the middle of an inner cavity of the treatment tank body and divides the inner cavity of the treatment tank body into a left half cavity and a right half cavity, and an auxiliary biological filter material layer is arranged at the bottom end of the biological filter material plate. A biological ceramic filter material plate is arranged at the bottom end of the auxiliary biological filter material layer, a water quality detector is mounted at the bottom of the other side of the treatment tank body, and one end of the water quality detector extends into the right half cavity and is provided with a monitoring probe. According to the utility model, the inner cavity of the treatment tank body is divided into the left half cavity and the right half cavity by the tank cavity division plate, and the monitoring probe and the water quality detector are communicated with the right half cavity, so that sewage subjected to biological filtration enters the right half cavity and is monitored; when the biological filtration does not reach the standard, the sewage is conveyed to the left half cavity through a backflow conveying pipeline and an external backflow pipe by virtue of a double-water-inlet water pump, and the biological filtration operation is performed again.

Description

Technical Field

[0001] The utility model relates to a biological pool structure of a sewage treatment plant, belonging to the technical field of biological pools. Background Art

[0002] A biological filter is a biological treatment structure composed of crushed stone or plastic product fillers. The sewage contacts the gaps between the microbial membranes grown on the surface of the fillers to purify the sewage. The biological filter is based on the principle of soil self-purification. On the basis of the practice of sewage irrigation, it is an artificial biological treatment technology developed from the more primitive intermittent sand filter and contact filter. The biological filter consists of a tank body, filter material, a water distribution device and a drainage system. Patent No. CN202320425661.3 discloses a sewage treatment biological filter, including a filter body, a drive motor is installed on the right side of the filter body, the output shaft of the drive motor is connected to a screw, the outer surface of the screw is connected to a movable plate, the bottom of the movable plate is connected to a guide rod, a scraper plate is arranged below the movable plate, a spring is arranged inside the movable plate, the lower surface of the spring is connected to a connecting rod, one side of the filter body is connected to a water inlet pipe, the lower surface of the filter body is provided with a connecting shell, and a sewage pipe is arranged below the connecting shell. The utility model can drive the screw rod to rotate through the driving motor arranged on the filter tank body. With the cooperation of the guide rod, the screw rod can drive the threaded movable plate to move horizontally when rotating, so that the scraping plate can scrape the sludge settled at the bottom of the filter tank body, which is convenient for cleaning.

[0003] The above-mentioned biological filter tank has the following disadvantages: when treating sewage, it is impossible to detect the treated sewage, and the sewage is directly input into the next link for treatment, which easily leads to poor treatment accuracy, and the oxygen rate cannot be adjusted during oxygenation. Therefore, we designed a biological pool structure for a sewage treatment plant. Utility Model Content

[0004] The purpose of the utility model is to provide a biological pool structure for a sewage treatment plant to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological pool structure of a sewage treatment plant, comprising a treatment pool body, a biological filter material plate and a double-inlet water pump, a pool cavity partition plate is installed in the middle of the inner cavity of the treatment pool body and divides the inner cavity of the treatment pool body into a left half cavity and a right half cavity, the double-inlet water pump seal is arranged in the middle of the bottom end of the pool cavity partition plate and the two water inlets of the double-inlet water pump correspond to the left half cavity and the right half cavity respectively, the biological filter material plate is arranged at the top of the left half cavity, the bottom end of the biological filter material plate is provided with an auxiliary biological filter material layer, the bottom end of the auxiliary biological filter material layer is provided with a bioceramic filter material plate, an aeration pump is installed at the bottom of one side of the treatment pool body, a flow regulating valve is installed at the output end of the aeration pump, an air inlet pipe is installed at one end of the flow regulating valve, one end of the air inlet pipe passes through the treatment pool body and is connected to one side of the biological filter material plate, a water quality detector is installed at the bottom of the other side of the treatment pool body, one end of the water quality detector extends to the inside of the right half cavity and is installed with a monitoring probe.

[0006] In the biological pool structure of the above-mentioned sewage treatment plant, the left outlet of the double-inlet water pump is installed with a first water supply pipe, one end of which is installed with a water supply bar, and the water supply bar is located on the side of the top of the biological filter plate.

[0007] In the biological pool structure of the above-mentioned sewage treatment plant, a one-way water flow trough is provided on the top of the pool chamber dividing plate, and the one-way water flow trough is connected to the right half chamber.

[0008] In the biological pool structure of the above-mentioned sewage treatment plant, a reflux delivery pipe is installed at the right output port of the double-inlet water pump, one end of the reflux delivery pipe passes through the treatment tank body and is installed with a one-way water flow valve, one end of the one-way water flow valve is installed with an external reflux pipe, one end of the external reflux pipe is provided with a sealed water seat, and the sealed water seat is connected to the left half chamber.

[0009] In the biological pool structure of the above-mentioned sewage treatment plant, the left water inlet and the right water inlet of the double-inlet water pump are both installed with water flow control valves.

[0010] In the biological pool structure of the above-mentioned sewage treatment plant, a sealing protective cover is installed inside the right half chamber, and a cylindrical handle is arranged on the top of the sealing protective cover.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The biological pool structure of the sewage treatment plant of the utility model divides the inner cavity of the treatment pool into a left half chamber and a right half chamber by arranging a pool cavity dividing plate, and arranges a monitoring probe and a water quality detector to communicate with the right half chamber. The sewage after biological filtration enters the right half chamber and is monitored. When the biological filtration does not meet the standards, the sewage is transported to the left half chamber through the reflux conveying pipe and the external reflux pipe by a double water inlet water pump, and the biological filtration operation is performed again. By arranging a flow regulating valve at one end of the aeration pump, it is convenient to adjust the rate of oxygen entry, facilitate sufficient biological filtration operation, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the biological pool structure of the sewage treatment plant of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the biological pool structure treatment pool body of the utility model sewage treatment plant;

[0015] Figure 3 The utility model is a schematic diagram of the structure of the biological filter material plate of the biological pool structure of the sewage treatment plant.

[0016] In the figure: 1. treatment tank body; 2. tank cavity partition plate; 3. biological filter plate; 4. oxygenation pump; 5. flow regulating valve; 6. air inlet pipe; 7. one-way water flow trough; 8. sealing protective cover; 9. cylindrical handle; 10. sealed water seat; 11. external return pipe; 12. one-way water flow valve; 13. double water inlet pump; 14. water flow control valve; 15. first water supply pipeline; 16. water supply bar; 17. reflux delivery pipeline; 18. monitoring probe; 19. water quality detector; 20. auxiliary biological filter layer; 21. bioceramic filter plate. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides a technical solution for the biological pool structure of a sewage treatment plant:

[0019] Embodiment 1: The biological pool includes a treatment pool body 1, a biological filter material plate 3 and a double water inlet water pump 13. A pool cavity partition plate 2 is installed in the middle of the inner cavity of the treatment pool body 1 and divides the inner cavity of the treatment pool body 1 into a left half cavity and a right half cavity. The double water inlet water pump 13 is sealed and arranged in the middle of the bottom end of the pool cavity partition plate 2, and the two water inlets of the double water inlet water pump 13 correspond to the left half cavity and the right half cavity respectively. The biological filter material plate 3 is arranged at the top of the left half cavity, and the bottom end of the biological filter material plate 3 is provided with an auxiliary biological filter material layer 2. 0, a bioceramic filter plate 21 is arranged at the bottom of the auxiliary biological filter material layer 20, an aeration pump 4 is installed at the bottom of one side of the treatment tank body 1, a flow regulating valve 5 is installed at the output end of the aeration pump 4, an air inlet pipe 6 is installed at one end of the flow regulating valve 5, one end of the air inlet pipe 6 passes through the treatment tank body 1 and is connected with one side of the biological filter material plate 3, a water quality detector 19 is installed at the bottom of the other side of the treatment tank body 1, one end of the water quality detector 19 extends to the inside of the right half cavity and is installed with a monitoring probe 18.

[0020] In this embodiment, in order to better transport the sewage in the left half chamber to the top of the biological filter plate 3 again, a first water supply pipe 15 is installed at the left outlet of the double-inlet water pump 13, and a water supply bar 16 is installed at one end of the first water supply pipe 15. The water supply bar 16 is located on the side of the top of the biological filter plate 3.

[0021] In this embodiment, in order to transport the sewage flow to the right half chamber, a one-way flow channel 7 is opened on the top of the pool chamber dividing plate 2, and the one-way flow channel 7 is connected to the right half chamber.

[0022] In this embodiment, in order to better return the sewage in the right half chamber to the left half chamber, a reflux conveying pipe 17 is installed at the right output port of the double-inlet water pump 13. One end of the reflux conveying pipe 17 passes through the treatment tank body 1 and is installed with a one-way water flow valve 12. One end of the one-way water flow valve 12 is installed with an external reflux pipe 11. One end of the external reflux pipe 11 is provided with a sealed water seat 10, and the sealed water seat 10 is connected to the left half chamber; the left water inlet and the right water inlet of the double-inlet water pump 13 are both installed with a water flow control valve 14.

[0023] In this embodiment, in order to protect the right half cavity and prevent dust from entering, a sealing protection cover 8 is installed inside the right half cavity, and a cylindrical handle 9 is provided on the top of the sealing protection cover 8.

[0024] Working principle: The biological pool structure of the utility model is composed of a treatment pool body 1, a biological filter material plate 3 and a double-inlet water pump 13. A pool cavity partition plate 2 is installed in the middle of the inner cavity of the treatment pool body 1 to divide the inner cavity of the treatment pool body 1 into a left half cavity and a right half cavity. The double-inlet water pump 13 is sealed and arranged in the middle of the bottom end of the pool cavity partition plate 2, and the two water inlets of the double-inlet water pump 13 correspond to the left half cavity and the right half cavity respectively. The biological filter material plate 3 is arranged at the top of the left half cavity, and the bottom end of the biological filter material plate 3 is provided with an auxiliary biological filter material layer 20 and a bioceramic filter material plate 21, which can achieve a good biological filtration effect. An oxygenation pump 4 is installed at the bottom of one side of the pool body 1, and a flow regulating valve 5 and an air inlet pipe 6 are installed at the output end of the oxygenation pump 4, which are connected to one side of the biological filter plate 3 to supply oxygen to the biological filter plate 3. A water quality detector 19 is installed at the bottom of the other side of the treatment pool body 1. One end of the water quality detector 19 extends to the inside of the right half chamber and is installed with a monitoring probe 18, which has a good effect of monitoring water quality. When the biological filtration does not meet the standards, the sewage is transported to the left half chamber through the reflux conveying pipe 17 and the external reflux pipe 11 through the double water inlet water pump 13, and the biological filtration operation is performed again to fully improve the biological filtration effect.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A biological pool structure of a sewage treatment plant, comprising a treatment pool body (1), a biological filter plate (3) and a double-inlet water pump (13), characterized in that: A tank cavity partition plate (2) is installed in the middle of the inner cavity of the treatment tank body (1) and divides the inner cavity of the treatment tank body (1) into a left half cavity and a right half cavity. The double water inlet pump (13) is sealed and arranged in the middle of the bottom end of the tank cavity partition plate (2) and the two water inlets of the double water inlet pump (13) correspond to the left half cavity and the right half cavity respectively. The biological filter material plate (3) is arranged at the top of the left half cavity. The bottom end of the biological filter material plate (3) is provided with an auxiliary biological filter material layer (20). The bottom end of the auxiliary biological filter material layer (20) is provided with a bioceramic A filter plate (21), an oxygen pump (4) is installed at the bottom of one side of the treatment tank body (1), a flow regulating valve (5) is installed at the output end of the oxygen pump (4), an air inlet pipe (6) is installed at one end of the flow regulating valve (5), one end of the air inlet pipe (6) passes through the treatment tank body (1) and is connected to one side of the biological filter plate (3), a water quality detector (19) is installed at the bottom of the other side of the treatment tank body (1), one end of the water quality detector (19) extends to the inside of the right half chamber and is installed with a monitoring probe (18).

2. The biological pool structure of a sewage treatment plant according to claim 1, characterized in that: The left outlet of the double-inlet water pump (13) is provided with a first water supply pipeline (15), one end of which is provided with a water delivery strip (16), and the water delivery strip (16) is located on the side of the top end of the biological filter material plate (3).

3. The biological pool structure of a sewage treatment plant according to claim 1, characterized in that: A one-way water flow channel (7) is provided on the top of the pool cavity partition plate (2), and the one-way water flow channel (7) is connected to the right half cavity.

4. The biological pool structure of a sewage treatment plant according to claim 1, characterized in that: A reflux delivery pipe (17) is installed at the right outlet of the double-inlet water pump (13); one end of the reflux delivery pipe (17) passes through the treatment tank body (1) and is installed with a one-way water flow valve (12); one end of the one-way water flow valve (12) is installed with an external reflux pipe (11); one end of the external reflux pipe (11) is provided with a sealed water seat (10); and the sealed water seat (10) is connected to the left half chamber.

5. The biological pool structure of a sewage treatment plant according to claim 4, characterized in that: The left water inlet and the right water inlet of the double-water-inlet water pump (13) are both equipped with a water flow control valve (14).

6. The biological pool structure of a sewage treatment plant according to claim 1, characterized in that: A sealing protective cover (8) is installed inside the right half chamber, and a cylindrical handle (9) is arranged on the top of the sealing protective cover (8).

Images