Underground sewage treatment equipment

Abstract

The present application provides an underground sewage treatment device, which relates to the technical field of sewage treatment equipment, including a box body, an aerobic tank, an anaerobic tank and a sedimentation tank are arranged in sequence from right to left in the inner middle of the box body, and the aerobic tank, the anaerobic tank and the sedimentation tank are all cylindrical, and their bottoms are all arranged as a funnel structure, and a valve and a mud pump are arranged at the bottom outlet of the funnel structure; a sewage outlet pipe is arranged at the inner bottom of the box body, and a sewage inlet is arranged at the upper middle of the sewage outlet pipe, and the sewage inlet is connected to the output end of the mud pump; a conveying assembly is arranged at the inner middle of the sewage outlet pipe. The utility model can extract the sludge deposited at the bottom of the equipment and transport it to the sewage outlet pipe through the mud pump, and then the conveying assembly can squeeze and discharge the transported sludge from the outlet end of the sewage outlet pipe, thereby realizing the rapid cleaning and discharge of the sludge deposited in the equipment, and effectively avoiding the situation where the sludge accumulates in the equipment and causes blockage.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to underground sewage treatment equipment. Background Art

[0002] With the rapid development of my country's national economy, the requirements for domestic sewage treatment in residences, restaurants, hospitals, factories, mines, colleges, etc. are getting higher and higher. At present, in addition to centralized treatment in large sewage treatment plants, domestic sewage treatment is mainly decentralized small septic tanks, and there are also underground combined sewage treatment equipment with biological contact oxidation as the core, which has the characteristics of small impact on the environment, high land utilization rate, overall beauty, practical technology, etc.

[0003] Conventional underground sewage treatment equipment is buried underground for a long time, and the silt and other particulate sediments in the equipment are not convenient to clean. Over time, they will clog the equipment, take up space, and affect the treatment of sewage.

[0004] In order to solve the above problems, we propose underground sewage treatment equipment to solve the above problems. Utility Model Content

[0005] In order to solve the problems in the background technology, the utility model provides underground sewage treatment equipment.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The buried sewage treatment equipment comprises a box body, wherein an aerobic tank, an anaerobic tank and a sedimentation tank are arranged in sequence from right to left in the inner middle part of the box body, wherein the aerobic tank, the anaerobic tank and the sedimentation tank are all cylindrical, and their bottoms are arranged in a funnel structure, and a valve and a mud pump are arranged at the bottom outlet of the funnel structure; a sewage outlet pipe is arranged at the inner bottom of the box body, and a sewage inlet is arranged at the upper middle part of the sewage outlet pipe, and the sewage inlet is connected to the output end of the mud pump.

[0008] Preferably, a conveying assembly is provided in the middle part of the inner side of the sewage outlet pipe, including a rotating shaft, which is driven by a driving motor, and a spiral blade is provided on the outer surface of the rotating shaft. The driving motor can drive the rotating shaft and the spiral blade to rotate, thereby realizing the extrusion and conveying of the sludge entering the sewage outlet pipe, and finally discharging it from the outlet end of the sewage outlet pipe.

[0009] Preferably, the rotating shaft is rotatably mounted in the middle of the inner side of the sewage outlet pipe, the driving motor is fixedly mounted at the right end bottom of the box body, and the output end of the driving motor is fixedly connected to the head end of the rotating shaft.

[0010] Preferably, a support frame is provided at the end of the rotating shaft, and the support frame is fixedly installed in the middle of the outlet end of the sewage outlet pipe. The support frame plays a role of stabilizing support for the rotating shaft, thereby improving the stability of the rotating shaft during rotational motion.

[0011] Preferably, a water inlet pipe is provided on the upper right side of the box body, and the output end of the water inlet pipe is installed on the upper right side of the aerobic tank. A water outlet pipe is provided on the upper left side of the box body, and the inlet end of the water outlet pipe is installed in the middle of the left end of the sedimentation tank. Sewage enters the box body through the water inlet pipe for treatment and purification, and the treated and purified water finally flows out from the water outlet pipe for discharge.

[0012] Preferably, the aerobic tank and the anaerobic tank are connected by a first pipe, and the anaerobic tank and the sedimentation tank are connected by a second pipe. Filters are provided at the inlet ports of the first pipe and the second pipe. The filter screens play a filtering role to prevent foreign particles from entering the next link and causing pollution.

[0013] Preferably, the heights of the water inlet pipe, the first pipe, the second pipe and the water outlet pipe are in a decreasing structure to avoid the backflow of sewage.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In this solution, the bottoms of the aerobic tank, the anaerobic tank and the sedimentation tank are all set as funnel structures, and a valve and a mud pump are provided at the bottom outlet of the funnel structure. The sludge settled at the bottom of the equipment can be extracted by the mud pump and transported to the sewage outlet pipe. At this time, the conveying component inside the sewage outlet pipe is driven to squeeze and discharge the transported sludge from the outlet end of the sewage outlet pipe. The utility model realizes the rapid cleaning and discharge of the sludge settled in the equipment through the above structure, and effectively avoids the accumulation of sludge in the equipment to cause blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is an enlarged view of point A in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the support frame in the utility model.

[0019] In the figure: 1. box body; 2. water inlet pipe; 3. water outlet pipe; 4. aerobic tank; 5. anaerobic tank; 6. sedimentation tank; 7. first pipeline; 8. second pipeline; 9. valve; 10. mud pump; 11. sewage outlet pipe; 12. sewage inlet; 13. rotating shaft; 14. spiral blade; 15. driving motor; 16. supporting frame. DETAILED DESCRIPTION

[0020] The embodiment of the present application provides an underground sewage treatment equipment, and its main technical solution is that the bottoms of the aerobic tank 4, the anaerobic tank 5 and the sedimentation tank 6 are all set to a funnel structure, and a mud pump 10 is installed at the bottom outlet of the funnel structure, and the outlet end of the mud pump 10 is connected to a sewage outlet pipe 11;

[0021] When it is necessary to clean the sludge, first start the mud pump 10 to extract the sludge settled at the bottom of the equipment and transport it to the sewage pipe 11. At this time, the conveying component inside the sewage pipe 11 is driven, and the driving motor 15 drives the rotating shaft 13 and the spiral blade 14 to rotate, so that the conveyed sludge can be squeezed and transported toward the outlet direction of the sewage pipe 11, thereby realizing the discharge and cleaning of the sludge, and effectively avoiding the accumulation of sludge in the equipment to cause blockage.

[0022] Example: Refer to Figure 1 - Figure 3 As shown, the underground sewage treatment equipment of this embodiment includes a housing 1, and an aerobic tank 4, an anaerobic tank 5 and a sedimentation tank 6 are sequentially arranged in the middle of the inner side of the housing 1 from right to left;

[0023] Among them, the aerobic tank 4, the anaerobic tank 5 and the sedimentation tank 6 are all existing technologies. The aerobic tank 4 can create an aerobic environment, which is conducive to the growth of aerobic microorganisms. Its function is to adsorb activated sludge and degrade organic matter. The anaerobic tank 5 can create an anaerobic environment, which is conducive to the growth of anaerobic microorganisms. Its function is to adsorb activated sludge and degrade organic matter. The sedimentation tank 6 can completely precipitate the slightly soluble substances in the water, thereby improving the sewage treatment effect.

[0024] Furthermore, the aerobic tank 4, the anaerobic tank 5 and the sedimentation tank 6 are all cylindrical, and their bottoms are all configured as funnel structures, and a valve 9 and a mud pump 10 are provided at the bottom outlet of the funnel structure; wherein, the setting of the funnel structure enables the sludge in the tank to naturally gather and settle at the bottom of the funnel during the sedimentation process, thereby facilitating the mud pump 10 to extract the sludge better and more efficiently when the valve 9 is opened.

[0025] A sewage outlet pipe 11 is arranged at the inner bottom of the box body 1, and a sewage inlet 12 is arranged in the middle of the upper end of the sewage outlet pipe 11, and the sewage inlet 12 is connected to the output end of the mud pump 10; the mud pump 10 can transport the sludge extracted from the funnel structure into the sewage outlet pipe 11 through the sewage inlet 12.

[0026] A conveying assembly is arranged in the middle of the inner side of the sewage outlet pipe 11 , and includes a rotating shaft 13 . The rotating shaft 13 is driven by a driving motor 15 , and a spiral blade 14 is arranged on the outer surface of the rotating shaft 13 .

[0027] The driving motor 15 drives the rotating shaft 13 to rotate, thereby driving the spiral blade 14 to rotate, so that the sludge in the sewage outlet pipe 11 is spirally squeezed and transported, thereby squeezing and discharging the sludge from the outlet of the sewage outlet pipe 11.

[0028] The rotating shaft 13 is rotatably installed in the middle of the inner side of the sewage outlet pipe 11, and the driving motor 15 is fixedly installed at the bottom of the right end of the box body 1. The output end of the driving motor 15 is fixedly connected to the head end of the rotating shaft 13. The driving motor 15 plays a driving role and can drive the rotating shaft 13 to rotate.

[0029] A support frame 16 is provided at the end of the rotating shaft 13, and the support frame 16 is fixedly installed in the middle of the outlet end of the sewage outlet pipe 11. The setting of the support frame 16 mainly provides a stable supporting force for the rotating shaft 13 and improves the stability of the rotating shaft 13 during rotation.

[0030] An inlet pipe 2 is provided on the upper right side of the box body 1, and the output end of the inlet pipe 2 is installed on the upper right side of the aerobic tank 4. An outlet pipe 3 is provided on the upper left side of the box body 1, and the inlet end of the outlet pipe 3 is installed in the middle of the left end of the sedimentation tank 6.

[0031] The sewage enters the aerobic tank 4 from the water inlet pipe 2 , then flows through the anaerobic tank 5 and the sedimentation tank 6 in sequence, and is finally discharged from the water outlet pipe 3 .

[0032] In some examples, the aerobic tank 4 is connected to the anaerobic tank 5 by a first pipe 7, and the anaerobic tank 5 is connected to the sedimentation tank 6 by a second pipe 8. Filters are provided at the inlet ports of the first pipe 7 and the second pipe 8. The filters play a role in process separation to prevent impurities from entering the next purification tank and causing pollution.

[0033] In some examples, the heights of the water inlet pipe 2, the first pipe 7, the second pipe 8 and the water outlet pipe 3 are in a decreasing structure to avoid the backflow of sewage.

[0034] The working principle of the utility model is:

[0035] When it is necessary to clean the sludge deposited inside the aerobic tank 4, the anaerobic tank 5 and the sedimentation tank 6, first open the valve 9 at the bottom, then start the mud pump 10 to extract the internal sludge, and then transport it to the sewage outlet pipe 11 through the sewage inlet 12. At this time, start the driving motor 15 to drive the rotating shaft 13 to rotate, thereby driving the multiple sets of spiral blades 14 to rotate, so as to realize spiral transportation of the sludge, and finally discharge it from the outlet end of the sewage outlet pipe 11, so as to realize the cleaning of the sludge deposited inside the equipment and avoid the sludge accumulation in the equipment to cause blockage.

[0036] 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. Underground sewage treatment equipment, characterized in that: It comprises a box body (1), wherein an aerobic tank (4), an anaerobic tank (5) and a sedimentation tank (6) are arranged in sequence from right to left in the middle of the inner side of the box body (1), wherein the aerobic tank (4), the anaerobic tank (5) and the sedimentation tank (6) are all cylindrical, and the bottoms thereof are all arranged in a funnel structure, and a valve (9) and a mud pump (10) are arranged at the bottom outlet of the funnel structure; A sewage outlet pipe (11) is provided at the inner bottom of the box body (1), a sewage inlet (12) is provided at the middle of the upper end of the sewage outlet pipe (11), and the sewage inlet (12) is connected to the output end of the mud pump (10); A conveying assembly is provided in the middle of the inner side of the sewage outlet pipe (11), comprising a rotating shaft (13), the rotating shaft (13) being driven by a driving motor (15), and a spiral blade (14) being provided on the outer surface of the rotating shaft (13).

2. The underground sewage treatment equipment according to claim 1, characterized in that: The rotating shaft (13) is rotatably mounted on the inner middle portion of the sewage outlet pipe (11), the driving motor (15) is fixedly mounted on the right bottom of the box body (1), and the output end of the driving motor (15) is fixedly connected to the head end of the rotating shaft (13).

3. The underground sewage treatment equipment according to claim 2 is characterized in that: A support frame (16) is provided at the end of the rotating shaft (13), and the support frame (16) is fixedly mounted at the middle of the outlet end of the sewage outlet pipe (11).

4. The underground sewage treatment equipment according to claim 3 is characterized in that: A water inlet pipe (2) is arranged on the upper right side of the box body (1), and the output end of the water inlet pipe (2) is installed on the upper right side of the aerobic tank (4). A water outlet pipe (3) is arranged on the upper left side of the box body (1), and the inlet end of the water outlet pipe (3) is installed in the middle of the left end of the sedimentation tank (6).

5. The underground sewage treatment equipment according to claim 4 is characterized in that: The aerobic tank (4) and the anaerobic tank (5) are connected via a first pipe (7), and the anaerobic tank (5) and the sedimentation tank (6) are connected via a second pipe (8). Filter screens are provided at the inlet ports of the first pipe (7) and the second pipe (8).

6. The underground sewage treatment equipment according to claim 5, characterized in that: The heights of the water inlet pipe (2), the first pipe (7), the second pipe (8) and the water outlet pipe (3) are in a decreasing order.

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