Energy-saving and emission-reducing domestic wastewater treatment device

Abstract

The utility model discloses an energy-saving and emission-reducing domestic wastewater treatment device, which relates to the technical field of domestic wastewater treatment and comprises a homogeneous regulating tank, a water inlet pipe is arranged at the upper end of the homogeneous regulating tank, a filter grating is arranged on one side in the homogeneous regulating tank, an AO integrated purifier is arranged at the front end of the homogeneous regulating tank, and a water outlet pipe is arranged at the lower end of the AO integrated purifier. A first connecting pipe is arranged between the AO integrated purifier and the homogeneous adjusting tank, an inclined pipe sedimentation tank is arranged at the front end of the AO integrated purifier, a second connecting pipe is arranged between the inclined pipe sedimentation tank and the AO integrated purifier, and sludge return pipes are further arranged on the front side walls of the inclined pipe sedimentation tank and the AO integrated purifier. A rotating rod is arranged in the sludge return pipe, and a spiral blade is arranged on the outer wall of the rotating rod. The energy-saving and emission-reducing domestic wastewater treatment device disclosed by the utility model can be used for recycling and purifying sludge in sewage, so that the purification effect of the sludge is better.

Description

Technical Field

[0001] The utility model relates to the technical field of domestic wastewater treatment, in particular to a domestic wastewater treatment device that saves energy and reduces emissions. Background Art

[0002] When the existing domestic wastewater treatment device is in use, a large amount of precipitated sludge and other substances usually remain inside the device. If these substances are not treated, they will still cause environmental pollution. The purification of these precipitated sludge impurities separately will consume a lot of resources, which is not conducive to energy conservation and emission reduction. It is relatively troublesome and has brought certain adverse effects on the process of domestic sewage treatment. In order to solve the shortcomings of the existing technology, we propose an energy-saving and emission-reduction domestic wastewater treatment device. Utility Model Content

[0003] The main purpose of the utility model is to provide an energy-saving and emission-reducing domestic wastewater treatment device, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A domestic wastewater treatment device for energy saving and emission reduction comprises a homogenizing regulating tank, wherein a water inlet pipe is arranged at the upper end of the homogenizing regulating tank, a filtering grid is arranged on one side of the interior of the homogenizing regulating tank, an AO integrated purifier is arranged at the front end of the homogenizing regulating tank, a No. 1 connecting pipe is arranged between the AO integrated purifier and the homogenizing regulating tank, an inclined tube sedimentation tank is arranged at the front end of the AO integrated purifier, a No. 2 connecting pipe is arranged between the inclined tube sedimentation tank and the AO integrated purifier, a sludge return pipe is also arranged on the front side wall of the inclined tube sedimentation tank and the AO integrated purifier, a rotating rod is arranged inside the sludge return pipe, a spiral blade is arranged on the outer wall of the rotating rod, a motor is arranged at the front end of the sludge return pipe, a connecting port is arranged between the motor and the rotating rod, and the motor is detachably connected to the rotating rod through the arranged connecting port.

[0006] Preferably, a biological activated carbon filter is provided at the front end of the inclined tube sedimentation tank, a UV sterilizer is provided at the front end of the biological activated carbon filter, two groups of support frames are provided at the lower end of the UV sterilizer, a plurality of groups of UV lamps are provided in the middle of the inner wall of the UV sterilizer, a drain pipe is provided at the front end of the UV sterilizer, and a switch valve is provided at the upper end of the drain pipe.

[0007] Preferably, an installation interface is provided between the filter grille and the inner wall of the homogenization regulating tank, and the filter grille is detachably connected to the inner wall of the homogenization regulating tank through the provided installation interface, and a connecting port is provided between the No. 1 connecting pipe and the AO integrated purifier and the homogenization regulating tank, and the No. 1 connecting pipe is detachably connected to the homogenization regulating tank and the AO integrated purifier respectively through the provided connecting port.

[0008] Preferably, a connecting port is provided between the sludge return pipe and the side wall of the AO integrated purifier and the inclined tube sedimentation tank respectively, and the sludge return pipe is detachably connected to the side wall of the AO integrated purifier and the inclined tube sedimentation tank respectively through the provided connecting port, and a rotating interface is provided between the end of the rotating rod and the interior of the sludge return pipe, and the rotating rod is rotatably connected to the interior of the sludge return pipe through the provided rotating interface.

[0009] Preferably, a connection port is provided between the biological activated carbon filter and the inclined tube sedimentation tank, and the biological activated carbon filter is detachably connected to the inclined tube sedimentation tank through the provided connection port.

[0010] Preferably, a connecting port is provided between the ultraviolet sterilizer and the biological activated carbon filter, and the ultraviolet sterilizer is detachably connected to the biological activated carbon filter through the provided connecting port; an installation interface is provided between the ultraviolet lamp tube and the inner wall of the ultraviolet sterilizer, and the ultraviolet lamp tube is detachably connected to the inner wall of the ultraviolet sterilizer through the provided installation interface.

[0011] Beneficial Effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by setting the inclined tube sedimentation tank, the sludge return pipe and the AO integrated purifier, the device can recycle and purify the sludge in the sewage, prevent the sludge from being directly discharged to pollute the environment, and there is no need to treat the sludge separately, making the sludge treatment process more convenient, the treatment process more efficient and quick, and no need to consume too many resources, which is more conducive to energy conservation and emission reduction, making the domestic sewage treatment process more environmentally friendly. The domestic sewage enters the interior of the filter grille through the water inlet pipe, and after being filtered by the filter grille, it enters the interior of the homogenization regulating tank, and the sewage is regulated by the homogenization regulating tank. The water quality and quantity are determined by the water, and then it enters the AO integrated purifier through the No. 1 connecting pipe for purification. After the purification treatment by the AO integrated purifier, it enters the inclined tube sedimentation tank through the No. 2 connecting pipe, and is precipitated in the inclined tube sedimentation tank. The precipitated sludge will enter the sludge return pipe, and then the motor at the front end of the sludge return pipe is started, driving the rotating rod to rotate inside the sludge return pipe, and the rotating rod drives the spiral blades to rotate, so that the sludge inside the sludge return pipe moves forward and flows back to the AO integrated purifier for purification again, so that the sludge purification effect is better.

[0014] 2. In the utility model, by setting up the biological activated carbon filter and the ultraviolet sterilizer, the device has a better purification effect on domestic sewage, so that the domestic sewage can be purified more thoroughly. After the sewage is precipitated inside the inclined tube sedimentation tank, it enters the interior of the biological activated carbon filter. After being filtered by the biological activated carbon filter, it enters the interior of the ultraviolet sterilizer. The multiple groups of ultraviolet lamps inside the ultraviolet sterilizer will disinfect the internal sewage. After ultraviolet disinfection, open the switch valve at the upper end of the drain pipe, and the purified sewage can be discharged from the drain pipe, so that the domestic sewage can be purified better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the ultraviolet disinfector of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the sludge return pipe of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the biological activated carbon filter of the utility model.

[0019] In the figure: 1. Homogenizing regulating tank; 2. Water inlet pipe; 3. Filter grille; 4. AO integrated purifier; 5. No. 1 connecting pipe; 6. Inclined tube sedimentation tank; 7. No. 2 connecting pipe; 8. Sludge return pipe; 9. Motor; 10. Biological activated carbon filter; 11. UV sterilizer; 12. Drain pipe; 13. Switch valve; 14. Support frame; 15. UV lamp tube; 16. Rotating rod; 17. Spiral blade. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-4As shown, an energy-saving and emission-reducing domestic wastewater treatment device comprises a homogenizing regulating tank 1, the homogenizing regulating tank 1 is used to regulate the water quality and water quantity of the sewage, an inlet pipe 2 is arranged at the upper end of the homogenizing regulating tank 1, and the domestic sewage enters the interior of the homogenizing regulating tank 1 through the inlet pipe 2, a filter grid 3 is arranged on one side of the interior of the homogenizing regulating tank 1, and the filter grid 3 is used to perform preliminary filtration on the sewage entering the interior of the homogenizing regulating tank 1, an AO integrated purifier 4 is arranged at the front end of the homogenizing regulating tank 1, and the AO integrated purifier 4 is used to perform multiple purification on the sewage, and a No. 1 connecting pipe 5 is arranged between the AO integrated purifier 4 and the homogenizing regulating tank 1, and the sewage inside the homogenizing regulating tank 1 enters the homogenizing regulating tank 1 through the No. 1 connecting pipe 5. The AO integrated purifier 4 is provided with an inclined tube sedimentation tank 6 at the front end thereof. The domestic sewage purified by the AO integrated purifier 4 enters the inclined tube sedimentation tank 6 for internal sedimentation, and the solid matter in the sewage is discharged. A second connecting pipe 7 is provided between the inclined tube sedimentation tank 6 and the AO integrated purifier 4. The sewage inside the AO integrated purifier 4 enters the inclined tube sedimentation tank 6 through the second connecting pipe 7. The inclined tube sedimentation tank 6 and the front side wall of the AO integrated purifier 4 are also provided with a sludge return pipe 8. The sludge precipitated inside the inclined tube sedimentation tank 6 will flow back to the inside of the AO integrated purifier 4 through the sludge return pipe 8 for further treatment. The inside of the sludge return pipe 8 A rotating rod 16 is provided, and a rotating interface is provided between the rotating rod 16 and the inside of the sludge return pipe 8, so that the rotating rod 16 can rotate inside the sludge return pipe 8, and a spiral blade 17 is provided on the outer wall of the rotating rod 16, and the spiral blade 17 can rotate inside the sludge return pipe 8 through the rotating rod 16. A motor 9 is provided at the front end of the sludge return pipe 8, and a connecting port is provided between the motor 9 and the rotating rod 16. The motor 9 is detachably connected to the rotating rod 16 through the provided connecting port, and the motor 9 drives the rotating rod 16 to rotate inside the sludge return pipe 8. The domestic sewage enters the inside of the filter grille 3 through the water inlet pipe 2, and enters the homogenization regulating tank after being filtered by the filter grille 3. 1, the water quality and water volume of the sewage are adjusted by the homogenizing regulating tank 1, and then enter the interior of the AO integrated purifier 4 through the No. 1 connecting pipe 5 for purification. After the purification treatment of the AO integrated purifier 4, it enters the interior of the inclined tube sedimentation tank 6 through the No. 2 connecting pipe 7, and is precipitated in the interior of the inclined tube sedimentation tank 6. The precipitated sludge will enter the interior of the sludge return pipe 8, and then the motor 9 at the front end of the sludge return pipe 8 is started, driving the rotating rod 16 to rotate inside the sludge return pipe 8, and the rotating rod 16 drives the spiral blade 17 to rotate, so that the sludge inside the sludge return pipe 8 moves forward and flows back to the interior of the AO integrated purifier 4 for purification again.

[0022] like Figure 1-4As shown, a biological activated carbon filter 10 is arranged at the front end of the inclined tube sedimentation tank 6, and the biological activated carbon filter 10 is used to filter the sewage after precipitation inside the inclined tube sedimentation tank 6. A UV sterilizer 11 is arranged at the front end of the biological activated carbon filter 10, and the UV sterilizer 11 is used to disinfect the sewage after filtering. Two groups of support frames 14 are arranged at the lower end of the UV sterilizer 11, and the support frames 14 are used to fix and support the UV sterilizer 11. A plurality of groups of UV lamps 15 are arranged in the middle of the inner wall of the UV sterilizer 11, and the UV lamps 15 can emit ultraviolet light to disinfect the sewage passing through the UV sterilizer 11. A drain pipe 12 is provided at the front end of 11, and the sewage after disinfection is discharged outward from the drain pipe 12. A switch valve 13 is provided at the upper end of the drain pipe 12, and the switch valve 13 is used to control the switch of the drain pipe 12. After the sewage is precipitated inside the inclined tube sedimentation tank 6, it enters the inside of the biological activated carbon filter 10, and after being filtered by the biological activated carbon filter 10, it enters the inside of the ultraviolet sterilizer 11. The multiple groups of ultraviolet lamps 15 inside the ultraviolet sterilizer 11 will disinfect the internal sewage. After ultraviolet disinfection, open the switch valve 13 at the upper end of the drain pipe 12, and the purified sewage can be discharged from the drain pipe 12.

[0023] It should be noted that the utility model is an energy-saving and emission-reducing domestic wastewater treatment device. When in use, domestic sewage enters the interior of the filter grille 3 through the water inlet pipe 2, and after being filtered by the filter grille 3, enters the interior of the homogenization regulating tank 1, and the water quality and water volume of the sewage are adjusted by the homogenization regulating tank 1, and then enters the interior of the AO integrated purifier 4 through the No. 1 connecting pipe 5 for purification treatment. After being purified by the AO integrated purifier 4, it enters the interior of the inclined tube sedimentation tank 6 through the No. 2 connecting pipe 7, and is precipitated in the interior of the inclined tube sedimentation tank 6. The precipitated sludge will enter the interior of the sludge return pipe 8, and then the motor 9 at the front end of the sludge return pipe 8 is started to drive The rotating rod 16 rotates inside the sludge return pipe 8, and the rotating rod 16 drives the spiral blade 17 to rotate, so that the sludge inside the sludge return pipe 8 moves forward and flows back to the inside of the AO integrated purifier 4 for purification again. After the sewage is precipitated inside the inclined tube sedimentation tank 6, it enters the inside of the biological activated carbon filter 10. After being filtered by the biological activated carbon filter 10, it enters the inside of the ultraviolet sterilizer 11. The multiple groups of ultraviolet lamps 15 inside the ultraviolet sterilizer 11 will disinfect the internal sewage. After ultraviolet disinfection, open the switch valve 13 at the upper end of the drain pipe 12, and the purified sewage can be discharged from the drain pipe 12.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A domestic wastewater treatment device for energy saving and emission reduction, comprising a homogenization regulating tank (1), characterized in that: The upper end of the homogenizing regulating tank (1) is provided with a water inlet pipe (2), a filtering grid (3) is provided on one side of the interior of the homogenizing regulating tank (1), an AO integrated purifier (4) is provided at the front end of the homogenizing regulating tank (1), a first connecting pipe (5) is provided between the AO integrated purifier (4) and the homogenizing regulating tank (1), an inclined tube sedimentation tank (6) is provided at the front end of the AO integrated purifier (4), a second connecting pipe (5) is provided between the inclined tube sedimentation tank (6) and the AO integrated purifier (4), and a second connecting pipe (6) is provided between the inclined tube sedimentation tank (6) and the AO integrated purifier (4). The inclined tube sedimentation tank (6) and the front side wall of the AO integrated purifier (4) are also provided with a sludge return pipe (8), a rotating rod (16) is provided inside the sludge return pipe (8), and a spiral blade (17) is provided on the outer wall of the rotating rod (16). A motor (9) is provided at the front end of the sludge return pipe (8), and a connecting port is provided between the motor (9) and the rotating rod (16), and the motor (9) is detachably connected to the rotating rod (16) through the provided connecting port.

2. The energy-saving and emission-reducing domestic wastewater treatment device according to claim 1 is characterized in that: A biological activated carbon filter (10) is arranged at the front end of the inclined tube sedimentation tank (6), a UV sterilizer (11) is arranged at the front end of the biological activated carbon filter (10), two groups of support frames (14) are arranged at the lower end of the UV sterilizer (11), a plurality of groups of UV lamps (15) are arranged in the middle of the inner wall of the UV sterilizer (11), a drain pipe (12) is arranged at the front end of the UV sterilizer (11), and a switch valve (13) is arranged at the upper end of the drain pipe (12).

3. The energy-saving and emission-reducing domestic wastewater treatment device according to claim 1 is characterized in that: A mounting interface is provided between the filter grille (3) and the inner wall of the homogenizing regulating tank (1); the filter grille (3) is detachably connected to the inner wall of the homogenizing regulating tank (1) via the provided mounting interface; connection ports are provided between the No. 1 connecting pipe (5) and the AO integrated purifier (4) and the homogenizing regulating tank (1); the No. 1 connecting pipe (5) is detachably connected to the homogenizing regulating tank (1) and the AO integrated purifier (4) via the provided connection ports.

4. The energy-saving and emission-reducing domestic wastewater treatment device according to claim 1 is characterized in that: The sludge return pipe (8) is provided with connection ports respectively between the AO integrated purifier (4) and the side wall of the inclined tube sedimentation tank (6); the sludge return pipe (8) is detachably connected to the AO integrated purifier (4) and the side wall of the inclined tube sedimentation tank (6) respectively through the provided connection ports; a rotation interface is provided between the end of the rotating rod (16) and the interior of the sludge return pipe (8); the rotating rod (16) is rotationally connected to the interior of the sludge return pipe (8) through the provided rotation interface.

5. The energy-saving and emission-reducing domestic wastewater treatment device according to claim 2 is characterized in that: A connection port is provided between the biological activated carbon filter (10) and the inclined tube sedimentation tank (6), and the biological activated carbon filter (10) is detachably connected to the inclined tube sedimentation tank (6) via the provided connection port.

6. The energy-saving and emission-reducing domestic wastewater treatment device according to claim 2 is characterized by: A connection port is provided between the ultraviolet sterilizer (11) and the biological activated carbon filter (10), and the ultraviolet sterilizer (11) is detachably connected to the biological activated carbon filter (10) via the provided connection port; a mounting interface is provided between the ultraviolet lamp tube (15) and the inner wall of the ultraviolet sterilizer (11), and the ultraviolet lamp tube (15) is detachably connected to the inner wall of the ultraviolet sterilizer (11) via the provided mounting interface.

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