Sewage treating and recycling device

Abstract

The utility model relates to the technical field of sewage reuse, in particular to a sewage treatment and reuse device which is characterized in that sewage is sterilized by a disinfectant, and the sterilized sewage in a treatment tank is conveyed and recycled by a backwashing assembly; the backwashing assembly is used for backwashing the filter screen assembly by using sewage in the treatment tank, and is simple in structure and not easy to damage; comprising a treatment tank, a motor, a rotating shaft, stirring blades and a bottom plate, the treatment tank is arranged at the top end of the bottom plate, the motor is arranged at the top end of the treatment tank, the output end of the motor extends into the treatment tank and is connected with the top end of the rotating shaft, and the stirring blades are installed on the rotating shaft in the treatment tank; a backwashing assembly is arranged at the top end of the bottom plate and used for cleaning the filtering assembly, and a feeding opening is formed in the top end of the treatment tank.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage reuse, in particular to a sewage treatment and reuse device. Background Art

[0002] Reusing wastewater or sewage after secondary treatment and deep treatment in production systems or for daily use is called sewage reuse. The scope of sewage reuse is very wide, from industrial reuse to water replenishment and domestic water use. Sewage reuse can not only effectively save and utilize limited and precious freshwater resources, but also reduce the discharge of sewage or wastewater, reduce water pollution, and alleviate the overload of urban drainage pipes. It has obvious social, environmental and economic benefits. In the process of sewage treatment, sewage filtration and reuse equipment is usually used.

[0003] In the prior art, a patent document with announcement number CN216497850U ​​discloses a sewage filtration and reuse device for a sewage treatment process, including a treatment tank, an anti-blocking mechanism and a transmission mechanism. The inner cavity of the treatment tank is provided with an anti-blocking mechanism, and the top of the treatment tank is provided with a transmission mechanism, and the anti-blocking mechanism and the transmission mechanism are connected; the anti-blocking mechanism includes a slide rail, and the slide rail is provided on the right side wall of the inner cavity of the treatment tank, and a rack is provided for sliding inside the slide rail.

[0004] During use, it was found that the above device used a relatively complicated mechanism when cleaning the filter screen, which increased the production cost and was prone to damage. At the same time, it was unable to separate impurities from sewage. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sewage treatment and reuse device with reduced usage limitations.

[0006] The utility model discloses a sewage treatment and reuse device, comprising a treatment tank, a motor, a rotating shaft, a stirring piece and a bottom plate, wherein the treatment tank is arranged at the top of the bottom plate, the motor is arranged at the top of the treatment tank, the output end of the motor extends to the inside of the treatment tank and is connected to the top of the rotating shaft, a plurality of stirring pieces are installed on the rotating shaft inside the treatment tank, and also comprises a filtering component and a backwashing component, the filtering component is arranged at the input end of the treatment tank, the backwashing component is arranged at the top of the bottom plate, the backwashing component is used for cleaning the filtering component, and a feed inlet is arranged at the top of the treatment tank; when in use, a disinfectant is introduced into the treatment tank through the feed inlet, the sewage is filtered by the filtering component and then enters the treatment tank, the motor is started, so that the rotating shaft drives the plurality of stirring pieces in the treatment tank to mix the sewage and the disinfectant, so that the disinfectant sterilizes the sewage, the backwashing component transports the sewage in the treatment tank for disinfection and recycling, and when the filtering component needs to be cleaned, the backwashing component backwashes the filter screen component with the sewage in the treatment tank, the structure is simple and not easy to be damaged.

[0007] Preferably, the filter assembly includes a No. 1 water inlet pipe, a No. 1 tee pipe, a water delivery pipe, a water delivery valve, a filter box, a No. 2 tee pipe, a No. 2 water inlet pipe, a sewage pipe and a sewage valve, the output end of the No. 1 water inlet pipe is connected with the input end of the No. 1 tee pipe, the two groups of output ends of the No. 1 tee pipe are respectively connected with the input end of a group of water delivery pipes, the output ends of the two groups of water delivery pipes are respectively connected with the two groups of input ends of the No. 2 tee pipe, the output end of the No. 2 tee pipe is connected with the input end of the No. 2 water inlet pipe, the output end of the No. 2 water inlet pipe is connected with the input end of the treatment tank, each group of water delivery pipes is respectively provided with a group of filter boxes and two groups of water delivery valves, the filter box is between the two groups of water delivery valves, and each group of filter boxes is respectively installed with A filter screen, each filter box is provided with a set of sewage pipes, and each sewage pipe is provided with a set of sewage valves; open the two sets of water valves on the first water pipe and close the two sets of water valves on the second water pipe, so that the filter screen in the first filter box can filter the sewage; when the filter screen in the first filter box needs to be backwashed, open the two sets of water valves on the second water pipe and close the two sets of water valves on the first water pipe to complete the switching of the two filter screens, then open the sewage valve on the first filter box, and then operate the backwashing assembly to backwash the filter screen in the first filter box, and the impurities are discharged through the corresponding sewage pipe.

[0008] Preferably, the backwashing assembly includes a water pump, a No. 3 tee, an external discharge pipe, an external discharge valve and a flushing pipe assembly. A water pump is arranged on the top of the bottom plate, the input end of the water pump is connected to the output end of the treatment tank, the output end of the water pump is connected to the input end of the No. 3 tee, one group of output ends of the No. 3 tee is connected to the input end of the external discharge pipe, an external discharge valve is installed on the external discharge pipe, the other group of output ends of the No. 3 tee is connected to the flushing pipe assembly, and the two groups of output ends of the flushing pipe assembly are respectively connected to a group of water pipes; when backwashing is not required, the staff opens the external discharge valve and starts the water pump, so that the disinfected sewage inside the treatment tank is discharged through the No. 3 tee and the external discharge pipe for recycling; when the filter screen needs to be backwashed, the external discharge valve is closed, so that the sewage enters the corresponding filter box through the flushing pipe assembly and backwashes the filter screen inside the filter box.

[0009] Preferably, the flushing pipe assembly includes a No. 4 tee, a flushing pipe and a flushing valve. The other set of output ends of the No. 3 tee is connected to the input end of the No. 4 tee, the two sets of output ends of the No. 4 tee are respectively connected to the two sets of flushing pipe input ends, the output ends of the two sets of flushing pipes are respectively connected to the two sets of water pipes, and each set of flushing pipes is provided with a set of flushing valves. When backwashing is not required, the two sets of flushing valves can be closed. When the filter screen in the filter box needs to be backwashed, the staff closes the external discharge valve and opens the flushing valve on the flushing pipe corresponding to the filter screen, so that the disinfected sewage enters the filter box to backwash the filter screen, thereby improving convenience.

[0010] Preferably, it further comprises a liquid level meter, and the treatment tank is provided with the liquid level meter; the staff can understand the sewage liquid level inside the treatment tank through the liquid level meter.

[0011] Preferably, a reinforcing plate is provided between the processing tank and the bottom plate; the processing tank and the bottom plate are connected by the reinforcing plate to improve the connection strength.

[0012] Preferably, the stirring blade is made of stainless steel.

[0013] Compared with the prior art, the utility model has the following beneficial effects: when in use, the disinfectant enters the treatment tank through the feed port, the sewage enters the treatment tank after being filtered by the filter component, the motor is started, so that the rotating shaft drives multiple groups of stirring plates inside the treatment tank to mix the sewage and the disinfectant, so that the disinfectant sterilizes the sewage, the backwash component transports the sterilized sewage inside the treatment tank for recycling, and when the filter component needs to be cleaned, the backwash component backwashes the filter mesh component with the sewage inside the treatment tank. The structure is simple and not easy to damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a first enlarged structural diagram of the filter box and water pump and other structures;

[0017] Figure 4 It is a second enlarged structural schematic diagram of structures such as the filter box and the water pump.

[0018] Markings in the attached figure: 1. treatment tank; 2. motor; 3. rotating shaft; 4. stirring blade; 5. bottom plate; 6. No. 1 water inlet pipe; 7. No. 1 tee pipe; 8. water pipe; 9. water valve; 10. filter box; 11. No. 2 tee pipe; 12. No. 2 water inlet pipe; 13. drain pipe; 14. drain valve; 15. water pump; 16. No. 3 tee pipe; 17. external discharge pipe; 18. external discharge valve; 20. No. 4 tee pipe; 21. flushing pipe; 22. flushing valve; 23. liquid level meter. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0020] like Figure 1 and Figure 2 As shown, a sewage treatment and reuse device of the utility model comprises a treatment tank 1, a motor 2, a rotating shaft 3, a stirring blade 4 and a bottom plate 5, the treatment tank 1 is arranged at the top of the bottom plate 5, the motor 2 is arranged at the top of the treatment tank 1, the output end of the motor 2 extends to the inside of the treatment tank 1 and is connected to the top of the rotating shaft 3, a plurality of stirring blades 4 are installed on the rotating shaft 3 inside the treatment tank 1, and also comprises a filter assembly and a backwash assembly, the filter assembly is arranged at the input end of the treatment tank 1, the backwash assembly is arranged at the top of the bottom plate 5, the backwash assembly is used to clean the filter assembly, and a feed port is arranged at the top of the treatment tank 1;

[0021] like Figure 3 and Figure 4As shown, the filter assembly includes a No. 1 water inlet pipe 6, a No. 1 three-way pipe 7, a water delivery pipe 8, a water delivery valve 9, a filter box 10, a No. 2 three-way pipe 11, a No. 2 water inlet pipe 12, a sewage pipe 13 and a sewage valve 14. The output end of the No. 1 water inlet pipe 6 is connected to the input end of the No. 1 three-way pipe 7, and the two groups of output ends of the No. 1 three-way pipe 7 are respectively connected to the input end of a group of water delivery pipes 8, and the output ends of the two groups of water delivery pipes 8 are respectively connected to the two groups of input ends of the No. 2 three-way pipe 11. The output end of the No. 2 three-way pipe 11 is connected to the input end of the No. 2 water inlet pipe 12, and the output end of the No. 2 water inlet pipe 12 is connected to the input end of the treatment tank 1. Each group of water pipes 8 is respectively provided with a group of filter boxes 10 and two groups of water valves 9. The filter box 10 is between the two groups of water valves 9. A filter net is installed inside each group of filter boxes 10. Each group of filter boxes 10 is respectively provided with a group of sewage pipes 13, and each group of sewage pipes 13 is respectively provided with a group of sewage valves 14.

[0022] In this embodiment, when in use, the disinfectant is introduced into the treatment tank 1 through the feed port, the two groups of water valves 9 on the first group of water pipes 8 are opened and the two groups of water valves 9 on the second group of water pipes 8 are closed, so that the filter screen in the first group of filter boxes 10 filters the sewage. When it is necessary to backwash the filter screen in the first group of filter boxes 10, the two groups of water valves 9 on the second group of water pipes 8 are opened and the two groups of water valves 9 on the first group of water pipes 8 are closed to complete the switching of the two groups of filter screens. Then, the drain valve 14 on the first group of filter boxes 10 is opened, and then the backwashing component is operated to backwash the filter screen in the first group of filter boxes 10, and impurities are discharged through the corresponding drain pipe 13. Example 2

[0023] like Figure 1 and Figure 2 As shown, a sewage treatment and reuse device of the utility model comprises a treatment tank 1, a motor 2, a rotating shaft 3, a stirring blade 4 and a bottom plate 5, the treatment tank 1 is arranged at the top of the bottom plate 5, the motor 2 is arranged at the top of the treatment tank 1, the output end of the motor 2 extends to the inside of the treatment tank 1 and is connected to the top of the rotating shaft 3, a plurality of stirring blades 4 are installed on the rotating shaft 3 inside the treatment tank 1, and also comprises a filter assembly and a backwash assembly, the filter assembly is arranged at the input end of the treatment tank 1, the backwash assembly is arranged at the top of the bottom plate 5, the backwash assembly is used to clean the filter assembly, and a feed port is arranged at the top of the treatment tank 1;

[0024] like Figure 3 and Figure 4As shown, the filter assembly includes a No. 1 water inlet pipe 6, a No. 1 three-way pipe 7, a water delivery pipe 8, a water delivery valve 9, a filter box 10, a No. 2 three-way pipe 11, a No. 2 water inlet pipe 12, a sewage pipe 13 and a sewage valve 14. The output end of the No. 1 water inlet pipe 6 is connected to the input end of the No. 1 three-way pipe 7, and the two groups of output ends of the No. 1 three-way pipe 7 are respectively connected to the input end of a group of water delivery pipes 8, and the output ends of the two groups of water delivery pipes 8 are respectively connected to the two groups of input ends of the No. 2 three-way pipe 11. The output end of the No. 2 tee pipe 11 is connected to the input end of the No. 2 water inlet pipe 12, and the output end of the No. 2 water inlet pipe 12 is connected to the input end of the treatment tank 1. Each set of water delivery pipes 8 is provided with a set of filter boxes 10 and two sets of water delivery valves 9. The filter box 10 is between the two sets of water delivery valves 9. A filter screen is installed inside each set of filter boxes 10. Each set of filter boxes 10 is provided with a set of sewage pipes 13, and each set of sewage pipes 13 is provided with a set of sewage valves 14.

[0025] like Figure 3 As shown in the drain valve 14, the backwash assembly includes a water pump 15, a No. 3 tee pipe 16, an external discharge pipe 17, an external discharge valve 18 and a flushing pipe assembly. The water pump 15 is arranged at the top of the bottom plate 5. The input end of the water pump 15 is connected to the output end of the treatment tank 1, and the output end of the water pump 15 is connected to the input end of the No. 3 tee pipe 16. One group of output ends of the No. 3 tee pipe 16 is connected to the input end of the external discharge pipe 17. The external discharge valve 18 is installed on the external discharge pipe 17. The other group of output ends of the No. 3 tee pipe 16 is connected to the flushing pipe assembly. The two groups of output ends of the flushing pipe assembly are respectively connected to a group of water delivery pipes 8.

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, the flushing pipe assembly includes a No. 4 tee pipe 20, a flushing pipe 21 and a flushing valve 22. The other output end of the No. 3 tee pipe 16 is connected to the input end of the No. 4 tee pipe 20. The two output ends of the No. 4 tee pipe 20 are respectively connected to the input ends of the two flushing pipes 21. The output ends of the two flushing pipes 21 are respectively connected to the two water pipes 8. Each flushing pipe 21 is provided with a flushing valve 22.

[0027] The processing tank 1 also includes a liquid level meter 23 . The processing tank 1 is provided with a liquid level meter 23 .

[0028] In this embodiment, when in use, the disinfectant is introduced into the treatment tank 1 through the feed port, the two groups of water valves 9 on the first group of water pipes 8 are opened and the two groups of water valves 9 on the second group of water pipes 8 are closed, so that the filter screen in the first group of filter boxes 10 can filter the sewage. When the filter screen in the first group of filter boxes 10 needs to be backwashed, the two groups of water valves 9 on the second group of water pipes 8 are opened and the two groups of water valves 9 on the first group of water pipes 8 are closed to complete the switching of the two groups of filter screens. Then, the sewage discharge valve 14 on the first group of filter boxes 10 is opened, and then the backwashing component is operated to backwash the first group of filter boxes. The filter screen in 10 is backwashed, and impurities are discharged through the corresponding sewage pipe 13. When backwashing is not needed, the staff opens the external discharge valve 18 and closes the two sets of flushing valves 22, and starts the water pump 15, so that the disinfected sewage inside the treatment tank 1 is discharged through the No. 3 tee pipe 16 and the external discharge pipe 17 for recycling. When the filter screen in the filter box 10 needs to be backwashed, the staff closes the external discharge valve 18 and opens the flushing valve 22 on the flushing pipe 21 corresponding to the filter screen, so that the disinfected sewage enters the filter box 10 to backwash the filter screen, thereby improving convenience.

[0029] The motor 2 and the water pump 15 of the sewage treatment and reuse device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technicians in the field to make creative efforts.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sewage treatment and reuse device, comprising a treatment tank (1), a motor (2), a rotating shaft (3), a stirring blade (4) and a bottom plate (5), wherein the treatment tank (1) is arranged at the top of the bottom plate (5), the motor (2) is arranged at the top of the treatment tank (1), the output end of the motor (2) extends into the inside of the treatment tank (1) and is connected to the top of the rotating shaft (3), and a plurality of stirring blades (4) are installed on the rotating shaft (3) inside the treatment tank (1), characterized in that: It also comprises a filtering component and a backwashing component. The input end of the processing tank (1) is provided with a filtering component. The top of the bottom plate (5) is provided with a backwashing component. The backwashing component is used to clean the filtering component. The top of the processing tank (1) is provided with a feed inlet.

2. A sewage treatment and reuse device as claimed in claim 1, characterized in that: The filter assembly comprises a No. 1 water inlet pipe (6), a No. 1 three-way pipe (7), a water delivery pipe (8), a water delivery valve (9), a filter box (10), a No. 2 three-way pipe (11), a No. 2 water inlet pipe (12), a sewage pipe (13) and a sewage valve (14); the output end of the No. 1 water inlet pipe (6) is connected to the input end of the No. 1 three-way pipe (7); the two groups of output ends of the No. 1 three-way pipe (7) are respectively connected to the input end of a group of water delivery pipes (8); the output ends of the two groups of water delivery pipes (8) are respectively connected to the two groups of input ends of the No. 2 three-way pipe (11); The output end of the No. 1 three-way pipe (11) is connected to the input end of the No. 2 water inlet pipe (12), and the output end of the No. 2 water inlet pipe (12) is connected to the input end of the treatment tank (1). Each set of water delivery pipes (8) is provided with a set of filter boxes (10) and two sets of water delivery valves (9). The filter box (10) is between the two sets of water delivery valves (9). A filter net is installed inside each set of filter boxes (10). Each set of filter boxes (10) is provided with a set of sewage pipes (13), and each set of sewage pipes (13) is provided with a set of sewage valves (14).

3. A sewage treatment and reuse device as claimed in claim 2, characterized in that: The backwashing assembly comprises a water pump (15), a No. 3 tee pipe (16), an external discharge pipe (17), an external discharge valve (18) and a flushing pipe assembly. The water pump (15) is arranged at the top of the bottom plate (5). The input end of the water pump (15) is connected to the output end of the treatment tank (1). The output end of the water pump (15) is connected to the input end of the No. 3 tee pipe (16). One group of output ends of the No. 3 tee pipe (16) is connected to the input end of the external discharge pipe (17). The external discharge valve (18) is installed on the external discharge pipe (17). The other group of output ends of the No. 3 tee pipe (16) is connected to the flushing pipe assembly. The two groups of output ends of the flushing pipe assembly are respectively connected to a group of water delivery pipes (8).

4. A sewage treatment and reuse device as claimed in claim 3, characterized in that: The flushing pipe assembly comprises a No. 4 three-way pipe (20), a flushing pipe (21) and a flushing valve (22); the other output end of the No. 3 three-way pipe (16) is connected to the input end of the No. 4 three-way pipe (20); the two output ends of the No. 4 three-way pipe (20) are respectively connected to the input ends of the two flushing pipes (21); the output ends of the two flushing pipes (21) are respectively connected to the two water pipes (8); and each flushing pipe (21) is provided with a flushing valve (22).

5. A sewage treatment and reuse device as claimed in claim 1, characterized in that: It also comprises a liquid level meter (23), and the processing tank (1) is provided with the liquid level meter (23).

6. A sewage treatment and reuse device as claimed in claim 1, characterized in that: A reinforcing plate is provided between the processing tank (1) and the bottom plate (5).

7. A sewage treatment and reuse device as claimed in claim 1, characterized in that: The stirring blade (4) is made of stainless steel.

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