Integrated household sewage treatment device

Abstract

The invention discloses an integrated household sewage treatment device, and relates to the technical field of sewage treatment, a tank body is internally provided with a pretreatment tank, an adjusting tank and a biological filter, the tank body is connected with a water inlet pipe at a position corresponding to the pretreatment tank, the water inlet pipe is used for introducing to-be-treated sewage into the pretreatment tank, the upper end of the pretreatment tank is communicated with the adjusting tank, and the lower end of the pretreatment tank is communicated with the biological filter; the pretreatment tank can discharge pretreated sewage into the adjusting tank, a water distribution element is arranged in the adjusting tank and can distribute the sewage entering the adjusting tank, a filter material element is arranged in the biological filter, and the upper end and the lower end of the biological filter can be communicated with the adjusting tank. The filter material element can be used for treating sewage in the biological filter tank, the treated water in the biological filter tank can enter the regulating tank, a water outlet pipe for discharging the treated sewage is arranged on the corresponding side wall of the tank body, and the water outlet pipe is arranged close to the upper end of the regulating tank. The sewage treatment device is simple in structure, convenient to operate and good in sewage treatment effect.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and particularly to an integrated household sewage treatment device. Background Art

[0002] At present, attaching great importance to rural sewage treatment and taking active measures helps to accelerate the promotion of rural sewage treatment. However, rural sewage has characteristics such as discontinuous discharge, irregularity, and small water volume, which leads to the inability to directly adopt the activated sludge method for rural sewage treatment. At the same time, the activated sludge method requires an aeration device, and assembling aeration in a small device has high maintenance difficulty and high operating cost. Therefore, in the prior art, when treating rural integrated household sewage, the sewage treatment devices used are often complex in structure, with relatively high maintenance costs, poor effluent quality, and also have problems of high power consumption and difficult maintenance.

[0003] Based on this, there is an urgent need to provide an integrated household sewage treatment device with low construction cost, convenient operation, and less maintenance. Summary of the Invention

[0004] The purpose of the present invention is to provide an integrated household sewage treatment device to solve the problems existing in the above prior art, which has a simple structure, convenient operation, and good sewage treatment effect.

[0005] To achieve the above purpose, the present invention provides the following solution:

[0006] The present invention provides an integrated household sewage treatment device, including a tank body. A pretreatment tank, an adjustment tank, and a biological filter tank are arranged in the tank body. A water inlet pipe is connected to the tank body at a position corresponding to the pretreatment tank. The water inlet pipe is used to introduce sewage to be treated into the pretreatment tank. The upper end of the pretreatment tank communicates with the adjustment tank, and the pretreatment tank can discharge the pretreated sewage into the adjustment tank. A water distribution element is arranged in the adjustment tank, and the water distribution element can distribute the sewage entering the adjustment tank. A filter element is arranged in the biological filter tank. The upper end and the lower end of the biological filter tank can both communicate with the adjustment tank, and the filter element can treat the sewage in the biological filter tank. The water treated in the biological filter tank can enter the adjustment tank, and a water outlet pipe for discharging the treated sewage is arranged on the corresponding side wall of the tank body. The water outlet pipe is arranged near the upper end of the adjustment tank.

[0007] Preferably, the pretreatment tank includes a primary pretreatment unit and a secondary pretreatment unit. The primary pretreatment unit and the secondary pretreatment unit are separated by a first partition. The first partition is vertically fixed to the inner bottom surface of the tank body, and the upper end of the first partition is flush with the upper end of the tank body. A water passing hole is provided at the lower end of the first partition, and the water passing hole can communicate the primary pretreatment unit and the secondary pretreatment unit. One end of the water inlet pipe extends into the primary pretreatment unit, and the upper end of the secondary pretreatment unit is communicated with the inside of the regulating tank.

[0008] Preferably, a regulating water pipe is provided in the secondary pretreatment unit, and a water distribution pipe is provided in the regulating tank. The upper end of the regulating water pipe is located in the secondary pretreatment unit, and the upper end of the regulating water pipe is not higher than the upper end of the secondary pretreatment unit. The lower end of the regulating water pipe extends into the regulating tank and is connected to the upper end of the water distribution pipe. The regulating water pipe can introduce the water in the secondary pretreatment unit into the water distribution pipe.

[0009] Preferably, a plurality of water distribution holes are formed in the water distribution pipe.

[0010] Preferably, a second partition is further installed in the tank body. The second partition is perpendicular to the first partition and is vertically fixed to the inner bottom surface of the tank body. The upper end of the second partition is flush with the upper end of the tank body. One side of the second partition is the pretreatment tank, and the other side of the second partition is the regulating tank and the biological filter tank.

[0011] Preferably, a third partition is further installed in the tank body. The third partition is parallel to the inner bottom surface of the tank body and is perpendicular to the second partition. The third partition is located on one side of the second partition. The biological filter tank is above the third partition, and the regulating tank is below the third partition.

[0012] Preferably, a submersible sewage pump is provided in the regulating tank. The outlet of the submersible sewage pump is connected with a pumping pipe, and the upper end of the pumping pipe can pass through the third partition and extend above the biological filter tank.

[0013] Preferably, a maintenance hole is further provided on the side wall of the tank body. The maintenance hole is closed by a maintenance door, and the maintenance hole is arranged corresponding to the position of the submersible sewage pump.

[0014] Preferably, a filter tank water pipe is further provided in the regulating tank. The upper end of the filter tank water pipe is connected to the third partition, and the filter tank water pipe can communicate with the bottom of the biological filter tank. The lower end of the filter tank water pipe is connected to the inner bottom surface of the tank body, and the lower end of the filter tank water pipe communicates with the inside of the regulating tank.

[0015] Preferably, a punched water distribution plate is installed at the upper end of the biological filter tank. The punched water distribution plate is provided with a plurality of punched holes. The water in the pretreatment tank can enter above the punched water distribution plate from the upper end of the pretreatment tank and enter the biological filter tank through the punched holes.

[0016] The present invention has achieved the following technical effects compared with the prior art:

[0017] The integrated household sewage treatment device provided by the present invention includes a tank body. A pretreatment tank, a regulation tank and a biological filter tank are arranged in the tank body. A water inlet pipe is connected to the tank body at a position corresponding to the pretreatment tank. The water inlet pipe is used to introduce the sewage to be treated into the pretreatment tank, so as to continuously treat the sewage in the integrated household sewage treatment device. The upper end of the pretreatment tank communicates with the regulation tank. The sewage is pretreated by the pretreatment tank to make the sewage undergo preliminary precipitation. The pretreatment tank can discharge the pretreated sewage into the regulation tank. A water distribution element is arranged in the regulation tank, and the water distribution element can distribute the sewage entering the regulation tank, reduce dead zones and blockages, and improve the sewage treatment efficiency. A filter element is arranged in the biological filter tank. The upper end and the lower end of the biological filter tank can both communicate with the regulation tank, and the filter element can treat the sewage in the biological filter tank. The water after distribution in the regulation tank enters the biological filter tank from the upper end of the biological filter tank and is in full contact with the filter element, improving the sewage treatment efficiency. The water treated in the biological filter tank enters the regulation tank again from the lower end of the biological filter tank to realize multiple cycles of water between the biological filter tank and the regulation tank, improving the sewage treatment effect. A water outlet pipe for discharging the treated sewage is arranged on the corresponding side wall of the tank body. The water outlet pipe is arranged near the upper end of the regulation tank. Then, after the water level in the regulation tank reaches the position of the water outlet pipe, the treated water is discharged through the water outlet pipe. Through the above design, the overall structure is compact, the floor area is small, the energy consumption is low, the maintenance is simple, and it can be applied to the sewage treatment of single rural households. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0019] Figure 1 It is a schematic structural diagram of the integrated household sewage treatment device in the present invention;

[0020] In the figure: 100 - pretreatment tank, 200 - biological filter tank, 300 - regulating tank, 1 - tank body, 2 - first partition board, 3 - regulating water pipe, 4 - second partition board, 5 - punched water distribution board, 6 - pumping pipe, 7 - water outlet pipe, 8 - maintenance hole, 9 - water inlet pipe, 10 - third partition board, 11 - filter tank water pipe, 12 - submersible sewage pump, 13 - water distribution pipe, 14 - filter element. Specific implementation manner

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts belong to the protection scope of the present invention.

[0022] The purpose of the present invention is to provide an integrated household sewage treatment device to solve the problems existing in the prior art, with simple structure, convenient operation, and good sewage treatment effect.

[0023] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0024] As Figure 1As shown in the figure, this embodiment provides an integrated household sewage treatment device, which includes a tank body 1. Inside the tank body 1, there are a pretreatment tank 100, an adjustment tank 300 and a biological filter tank 200. At the position corresponding to the pretreatment tank 100 on the tank body 1, a water inlet pipe 9 is connected. The water inlet pipe 9 is used to introduce the sewage to be treated into the pretreatment tank 100, so as to continuously treat the sewage in the integrated household sewage treatment device. The upper end of the pretreatment tank 100 is communicated with the adjustment tank 300. The sewage is pretreated in the pretreatment tank 100 to make the sewage undergo preliminary sedimentation. The pretreatment tank 100 can discharge the pretreated sewage into the adjustment tank 300. A water distribution element is arranged in the adjustment tank 300, and the water distribution element can distribute the sewage entering the adjustment tank 300, reduce dead zones and blockages, and improve the sewage treatment efficiency. A filter element 14 is arranged in the biological filter tank 200. The upper end and the lower end of the biological filter tank 200 can both be communicated with the adjustment tank 300, and the filter element 14 can treat the sewage in the biological filter tank 200. The water after distribution in the adjustment tank 300 enters the biological filter tank 200 through the upper end of the biological filter tank 200 and is in full contact with the filter element 14 to improve the sewage treatment efficiency. The water treated in the biological filter tank 200 enters the adjustment tank 300 again through the lower end of the biological filter tank 200 to realize multiple cycles of water between the biological filter tank 200 and the adjustment tank 300 and improve the sewage treatment effect. On the corresponding side wall of the tank body 1, there is a water outlet pipe 7 for discharging the treated sewage. The water outlet pipe 7 is arranged near the upper end of the adjustment tank 300. Then, after the water level in the adjustment tank 300 reaches the position of the water outlet pipe 7, the treated water is discharged through the water outlet pipe 7. Through the above design, the overall structure is compact, the floor area is small, the energy consumption is low, the maintenance is simple, and it can be applied to the sewage treatment of single rural households.

[0025] Specifically, the pretreatment tank 100 includes a primary pretreatment unit and a secondary pretreatment unit. The primary pretreatment unit and the secondary pretreatment unit are separated by a first partition plate 2. The first partition plate 2 is vertically fixed on the inner bottom surface of the tank body 1, and the upper end of the first partition plate 2 is flush with the upper end of the tank body 1. There are water passing holes at the lower end of the first partition plate 2, and the water passing holes can communicate the primary pretreatment unit and the secondary pretreatment unit. One end of the water inlet pipe 9 extends into the primary pretreatment unit, and then the sewage to be treated is introduced into the primary pretreatment unit, and then enters the secondary pretreatment unit from the lower end of the secondary pretreatment unit through the water passing holes, reducing the disturbance to the water in the secondary pretreatment unit, so that the sewage to be treated undergoes preliminary sedimentation in the secondary pretreatment unit. The sediment deposits at the lower end of the secondary pretreatment unit. The upper end of the secondary pretreatment unit is internally communicated with the adjustment tank 300, so that the precipitated water enters the adjustment tank 300 through the upper end of the secondary pretreatment unit.

[0026] A regulating water pipe 3 is provided inside the secondary pretreatment unit, and a water distribution pipe 13 is provided inside the regulating tank 300. The upper end of the regulating water pipe 3 is located inside the secondary pretreatment unit, and the upper end of the regulating water pipe 3 is not higher than the upper end of the secondary pretreatment unit, ensuring that the water inside the secondary pretreatment unit can enter the regulating water pipe 3. The lower end of the regulating water pipe 3 extends into the regulating tank 300 and is connected to the upper end of the water distribution pipe 13. The regulating water pipe 3 can introduce the water inside the secondary pretreatment unit into the water distribution pipe 13 to complete water distribution inside the regulating tank 300.

[0027] A plurality of water distribution holes are formed in the water distribution pipe 13, so that when the water inside the secondary pretreatment unit enters the regulating tank 300, it flows into the regulating tank 300 through different water distribution holes, and then uniform water distribution is realized through the plurality of water distribution holes on the water distribution pipe 13. Furthermore, while ensuring uniform water outlet, it can also realize the disturbance of the water inside the regulating tank 300, avoiding dead corners inside the regulating tank 300 and affecting the sewage treatment effect and sewage treatment efficiency. As a preferred embodiment, the water distribution holes are uniformly arranged in the length direction of the water distribution pipe.

[0028] A second partition plate 4 is further installed inside the tank body 1. The second partition plate 4 is perpendicular to the first partition plate 2, and the second partition plate 4 is vertically fixed to the inner bottom surface of the tank body 1. The upper end of the second partition plate 4 is flush with the upper end of the tank body 1, realizing the division of the inside of the tank body 1 into two independent spaces, with one side of the second partition plate 4 being the pretreatment tank 100 and the other side of the second partition plate 4 being the regulating tank 300 and the biological filter tank 200.

[0029] A third partition plate 10 is further installed inside the tank body 1. The third partition plate 10 is parallel to the inner bottom surface of the tank body 1 and perpendicular to the second partition plate 4. The third partition plate 10 is located on one side of the second partition plate 4, with the biological filter tank 200 above the third partition plate 10 and the regulating tank 300 below the third partition plate 10. Through the arrangement of the second partition plate 4 and the third partition plate 10, the pretreatment tank 100, the regulating tank 300 and the biological filter tank 200 are separated into three independent chambers, facilitating the hierarchical treatment of sewage. At the same time, in this embodiment, through the arrangement of the first partition plate 2, the pretreatment tank 100 is separated into two independent pretreatment chambers, namely, the primary pretreatment unit and the secondary pretreatment unit. The primary pretreatment unit and the secondary pretreatment unit are used to achieve the preliminary precipitation of sewage to preliminarily filter the impurities in the sewage and avoid blocking other components.

[0030] A submersible pump 12 is installed in the regulating tank 300. The submersible pump 12 is installed at the bottom of the regulating tank 300. The inlet of the submersible pump 12 communicates with the inside of the regulating tank 200. The outlet of the submersible pump 12 is connected with a pumping pipe 6. The upper end of the pumping pipe 6 can pass through the third partition 10 and extend above the biological filter tank 200. Thus, through the setting of the submersible pump 12 and the pumping pipe 6, the water in the regulating tank 300 can be pumped into the biological filter tank 200 through the pumping pipe 6 and enter the biological filter tank 200 from the upper end of the biological filter tank 200, so as to facilitate the further treatment of sewage. At the same time, since only one submersible pump 12 needs to be set in this embodiment and no other aeration devices need to be added, only the submersible pump needs to be overhauled and maintained, making the overall structure simple, with less maintenance workload, low operation cost and simple operation.

[0031] A punched water distribution plate 5 is installed at the upper end of the biological filter tank 200, and the upper end surface of the punched water filtering plate is lower than the upper end of the biological filter tank 200 to prevent sewage from overflowing from the biological filter tank 200. A plurality of punching holes are provided on the punched water distribution plate 5. After the water in the pretreatment tank 100 enters above the biological filter tank 200 through the pumping pipe 6, it can enter the biological filter tank 200 through the punching holes on the punched water distribution plate 5, realizing the water distribution function, so that the water can fully contact with the filter element 14 after entering the biological filter tank 200, improving the sewage treatment effect.

[0032] A maintenance hole 8 is also provided on the side wall of the tank body 1. The maintenance hole 8 is closed by a maintenance door, and the maintenance door can be opened. At the same time, the maintenance hole 8 is arranged corresponding to the position of the submersible pump 12, thus facilitating the removal of the submersible pump 12 for the daily maintenance and overhaul of the submersible pump 12.

[0033] A filter tank water pipe 11 is also installed in the regulating tank 300. The upper end of the filter tank water pipe 11 is connected to the third partition 10, and the filter tank water pipe 11 can communicate with the bottom of the biological filter tank 200. The lower end of the filter tank water pipe 11 is connected to the inner bottom surface of the tank body 1, and the lower end of the filter tank water pipe 11 communicates with the inside of the regulating tank 300. Thus, it is convenient to re-introduce the treated water in the biological filter tank 200 into the regulating tank 300 and return it to the biological filter tank 200 again through the submersible pump 12 and the pumping pipe 6 in the regulating tank 300. After multiple cycle treatments, the sewage treatment effect is improved. At the same time, it can be applied to rural sewage with discontinuous discharge, so that it finally reaches the discharge standard.

[0034] The working principle of this embodiment is as follows:

[0035] First, the sewage enters the primary pretreatment unit through the water inlet pipe 9, and then enters the secondary pretreatment unit through the water passing holes at the bottom of the first partition plate 2. The preliminarily precipitated raw water enters the regulation tank 300 through the regulation water pipe 3 and is evenly distributed through the built-in water distribution pipe 13 in the regulation tank 300. Then, it is pumped to the top of the biological filter tank 200 by the submersible sewage pump 12 connected to the pumping pipe 6, and the biological filter tank 200 is water-distributed through the punched water distribution plate 5 arranged in the biological filter tank 200. After being treated by the filter element 14, the water returns to the regulation tank 300 through the filter tank water pipe 11. The water after multiple treatments ejects the outlet pipe 7 when the regulation tank 300 is filled with water. At the same time, during the application process, the submersible sewage pump 12 can be maintained through the maintenance hole 8.

[0036] In this embodiment, during the process of the water circulating through the regulation tank 300 and the biological filter tank 200, as the water enters the regulation tank 300 from the water distribution pipe 13 at the lower end of the regulation tank 300, the qualified water in the upper part of the regulation tank 300 can be ejected through the outlet pipe 7. Moreover, after the newly incoming water is mixed with the qualified water in the regulation tank 300, it can play a dilution role, and then enters the biological filter tank 200 again for circulating filtration. Finally, when water enters the regulation tank 300, when the regulation tank 300 reaches a certain liquid level (i.e., reaches the position of the outlet pipe 7), it is ejected for discharge. There is no need for control components such as valves to control the water outlet. The overall structure is simple and maintenance-free, and there is no need for multiple inspections. Only the submersible sewage pump 12 needs to be maintained or replaced.

[0037] In the present invention, specific examples are used to illustrate the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. An integrated household sewage treatment device, characterized in that: It includes a tank body, in which a pretreatment tank, a regulation tank and a biological filter tank are provided. A water inlet pipe is connected to the tank body at a position corresponding to the pretreatment tank. The water inlet pipe is used to introduce the sewage to be treated into the pretreatment tank. The upper end of the pretreatment tank communicates with the regulation tank, and the pretreatment tank can discharge the pretreated sewage into the regulation tank. A water distribution element is provided in the regulation tank, and the water distribution element can distribute the sewage entering the regulation tank. A filter element is provided in the biological filter tank. The upper end and the lower end of the biological filter tank can both communicate with the regulation tank, and the filter element can treat the sewage in the biological filter tank. The water treated in the biological filter tank can enter the regulation tank, and an outlet pipe for discharging the treated sewage is provided on the corresponding side wall of the tank body. The outlet pipe is arranged near the upper end of the regulation tank.

2. The integrated household sewage treatment device according to claim 1, characterized in that: The pretreatment tank includes a primary pretreatment unit and a secondary pretreatment unit. The primary pretreatment unit and the secondary pretreatment unit are separated by a first partition board. The first partition board is vertically fixed on the inner bottom surface of the tank body, and the upper end of the first partition board is flush with the upper end of the tank body. A water passing hole is provided at the lower end of the first partition board. The water passing hole can communicate the primary pretreatment unit and the secondary pretreatment unit. One end of the water inlet pipe extends into the primary pretreatment unit, and the upper end of the secondary pretreatment unit communicates with the inside of the regulation tank.

3. The integrated household sewage treatment device according to claim 2, characterized in that: A regulating water pipe is provided in the secondary pretreatment unit, and a water distribution pipe is provided in the regulation tank. The upper end of the regulating water pipe is located in the secondary pretreatment unit, and the upper end of the regulating water pipe is not higher than the upper end of the secondary pretreatment unit. The lower end of the regulating water pipe extends into the regulation tank and is connected to the upper end of the water distribution pipe. The regulating water pipe can introduce the water in the secondary pretreatment unit into the water distribution pipe.

4. The integrated household sewage treatment device according to claim 3, wherein: A plurality of water distribution holes are formed in the water distribution pipe.

5. The integrated household sewage treatment device according to claim 2, characterized in that: A second partition board is further installed in the tank body. The second partition board is perpendicular to the first partition board and is vertically fixed on the inner bottom surface of the tank body. The upper end of the second partition board is flush with the upper end of the tank body. One side of the second partition board is the pretreatment tank, and the other side of the second partition board is the regulation tank and the biological filter tank.

6. The integrated household sewage treatment device according to claim 5, wherein: A third partition board is further installed in the tank body. The third partition board is parallel to the inner bottom surface of the tank body and is perpendicular to the second partition board. The third partition board is located on one side of the second partition board. The biological filter tank is above the third partition board, and the regulation tank is below the third partition board.

7. The integrated household sewage treatment device according to claim 6, characterized in that: A submersible pump is provided in the regulation tank. The outlet of the submersible pump is connected to a pumping pipe. The upper end of the pumping pipe can pass through the third partition board and extend above the biological filter tank.

8. The integrated household sewage treatment device according to claim 7, characterized in that: A maintenance hole is further provided on the side wall of the tank body. The maintenance hole is closed by a maintenance door. The maintenance hole is arranged at a position corresponding to the submersible pump.

9. The integrated household sewage treatment device according to claim 6, characterized in that: A filter pool water pipe is further provided in the regulating pool. The upper end of the filter pool water pipe is connected to the third partition board, and the filter pool water pipe can communicate with the bottom of the biological filter pool. The lower end of the filter pool water pipe is connected to the inner bottom surface of the tank body, and the lower end of the filter pool water pipe communicates with the inside of the regulating pool.

10. The integrated household sewage treatment device according to claim 1, characterized in that: A punching water distribution plate is installed at the upper end of the biological filter pool. A plurality of punching holes are provided on the punching water distribution plate. The water in the pretreatment pool can enter above the punching water distribution plate through the upper end of the pretreatment pool and enter the biological filter pool through the punching holes.

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