Integrated rural sewage treatment equipment adopting nanobubble technology

Abstract

The utility model relates to the technical field of sewage treatment, in particular to integrated rural sewage treatment equipment adopting a nano-bubble technology. Comprising a first water inlet, a first discharge outlet, a second discharge outlet, a second water inlet, a water inlet sedimentation tank, a sewage purification tank and a water outlet sedimentation tank, the first water inlet is formed in the upper portion of one side of the water inlet sedimentation tank, and the water inlet sedimentation tank is communicated with the sewage purification tank through the second water inlet; one side, far away from the water inlet sedimentation tank, of the sewage purification tank is communicated with the water outlet sedimentation tank through a first discharge port, and one side, far away from the sewage purification tank, of the water outlet sedimentation tank is provided with a second discharge port. According to the nano-bubble purifier, the treatment efficiency of the nano-bubble purifier is greatly improved by using the nano-bubble technology, the mounting type filler and other innovative technologies, the water environment can be better protected, and the ecological pressure is relieved; the structure is more compact, the use is simpler and more convenient, and the requirements of rural wastewater treatment can be better met.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, and more specifically to an integrated rural sewage treatment device using nano bubble technology. Background Art

[0002] How to improve the treatment efficiency of rural sewage treatment equipment and reduce operating costs, while alleviating ecological pressure and improving water environment quality is an issue that we urgently need to solve.

[0003] The existing technologies in society include traditional sewage treatment equipment, membrane bioreactors, activated carbon adsorption, micro-electrolysis, etc. These technologies have solved the sewage treatment problem to a certain extent, but they still have the following disadvantages: (1) Traditional rural sewage treatment equipment usually uses bioreactors or chemical reactors to treat sewage, but these methods have problems such as low treatment efficiency, large equipment footprint, and high maintenance costs; (2) Membrane bioreactors are widely used in sewage treatment, but there are problems such as membrane pollution and clogging. The service life of this reactor is short and needs to be replaced and maintained frequently; (3) Activated carbon adsorption is a traditional wastewater treatment technology, but due to its limited adsorption capacity, it is not suitable for treating large amounts of sewage, and the subsequent treatment steps are relatively cumbersome; (4) Micro-electrolysis is suitable for treating occasions where wastewater contains harmful substances such as heavy metals, but the treatment scale of this technology is limited and the cost is high, so it is not suitable for treating large amounts of wastewater; The disadvantages of the above existing technical solutions are mainly due to the fact that the equipment structure is too complicated and difficult to maintain and operate, resulting in high maintenance costs and low treatment efficiency.

[0004] Therefore, it is an urgent problem for technicians in this field to provide an integrated rural sewage treatment equipment with nanobubble technology that is more efficient, more reliable, more economical, has high sewage treatment efficiency, and reduces maintenance and operation costs. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a more efficient, more reliable and more economical sewage treatment equipment, so as to improve the water environment quality and protect the health of the people, an integrated rural sewage treatment equipment using nanobubble technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions, which mainly include:

[0007] An integrated rural sewage treatment device using nanobubble technology comprises a first water inlet, a first discharge port, a second discharge port, a second water inlet, an inlet sedimentation tank, a sewage purification tank and an outlet sedimentation tank, wherein the first water inlet is installed above one side of the inlet sedimentation tank, the inlet sedimentation tank is connected to the sewage purification tank through the second water inlet, the side of the sewage purification tank away from the inlet sedimentation tank is connected to the outlet sedimentation tank through the first discharge port, and the side of the outlet sedimentation tank away from the sewage purification tank is installed with the second discharge port.

[0008] Preferably, the water inlet sedimentation tank comprises a grid plate, a sedimentation tank and an anaerobic tank. A grid plate is installed on the top of one side of the water inlet sedimentation tank close to the first water inlet, and a sedimentation tank and several anaerobic tanks are arranged inside the water inlet sedimentation tank.

[0009] Preferably, the sewage purification pool includes a nanobubble generator, a nanopurification reaction tank and a mounted biological filler, wherein the sewage purification pool is laterally provided with a plurality of nanobubble generators, the plurality of nanobubble generators divide the sewage purification pool into a plurality of nanopurification reaction tanks, and the sewage purification pool is longitudinally provided with a mounted biological filler.

[0010] Preferably, the effluent sedimentation tank is provided with an effluent sedimentation tank.

[0011] Preferably, the inlet sedimentation tank, the sewage purification tank and the outlet sedimentation tank are respectively connected to the sludge circulation pump.

[0012] Preferably, a dissolved oxygen detector is connected above the sewage purification tank.

[0013] Preferably, a liquid level meter is connected above the sewage purification tank.

[0014] Preferably, a flow meter is provided on the connecting pipe between the sludge circulation pump and the water inlet sedimentation tank.

[0015] It can be seen from the above technical solutions that compared with the existing technology, the utility model will adopt innovative technologies such as nano bubble technology and suspended filler, which can improve the treatment efficiency, reduce the wastewater treatment time and energy consumption, and achieve better treatment effect; using modern manufacturing technology and new materials, it is not only compact in structure and stable in operation, but also has low maintenance cost, and can better meet the sewage treatment needs in rural areas; by increasing the dissolved oxygen content in the water, it is conducive to the growth and metabolism of microbial flora and the decomposition and oxidation of sewage, strictly controlling wastewater discharge and meeting the standards of water environment quality. The technical solution is environmentally friendly, no pollutants are generated during the treatment process, it meets the national environmental protection requirements, and has little impact on the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the process structure of the utility model.

[0018] Explanation of the reference numerals: 1-first water inlet, 2-grid plate, 3-sedimentation tank, 4-anaerobic tank, 5-nano bubble generator, 6-nano purification reaction tank, 7-mounted biological filler, 8-outlet sedimentation tank, 9-second discharge port, 10-first discharge port, 11-dissolved oxygen detector, 12-liquid level meter, 13-sludge circulation pump, 14-second water inlet, 15-flow meter, 16-inlet sedimentation tank, 17-sewage purification tank, 18-outlet sedimentation tank. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] An integrated rural sewage treatment equipment using nanobubble technology, such as Figure 1 As shown, it includes a first water inlet 1, a first discharge port 10, a second discharge port 9, a second water inlet 14, an inlet sedimentation tank 16, a sewage purification tank 17 and an outlet sedimentation tank 18. The first water inlet 1 is installed above one side of the inlet sedimentation tank 16. The inlet sedimentation tank 16 is connected to the sewage purification tank 17 through the second water inlet 14. The side of the sewage purification tank 17 away from the inlet sedimentation tank 16 is connected to the outlet sedimentation tank 18 through the first discharge port 10. The side of the outlet sedimentation tank 18 away from the sewage purification tank 17 is installed with the second discharge port 9.

[0022] In order to further optimize the above scheme, the water inlet sedimentation tank 16 includes a grid plate 2, a sedimentation tank 3 and an anaerobic tank 4. The grid plate 2 is installed on the top of the water inlet sedimentation tank 16 close to the first water inlet 1, and the sedimentation tank 3 and several anaerobic tanks 4 are arranged inside the water inlet sedimentation tank 16.

[0023] In order to further optimize the above scheme, the sewage purification tank 17 includes a nano bubble generator 5, a nano purification reaction tank 6 and a mounted biological filler 7. The sewage purification tank 17 is horizontally provided with a plurality of nano bubble generators 5, and the plurality of nano bubble generators 5 divide the sewage purification tank 17 into a plurality of nano purification reaction tanks 6. The sewage purification tank 17 is longitudinally provided with a mounted biological filler 7.

[0024] In order to further optimize the above solution, the effluent sedimentation tank 18 is provided with an effluent sedimentation tank 8 .

[0025] In order to further optimize the above scheme, the inlet sedimentation tank 16, the sewage purification tank 17 and the outlet sedimentation tank 18 are respectively connected to the sludge circulation pump 13.

[0026] In order to further optimize the above solution, a dissolved oxygen detector 11 is connected above the sewage purification tank 17 .

[0027] In order to further optimize the above solution, a liquid level meter 12 is connected above the sewage purification tank 17 .

[0028] In order to further optimize the above solution, a flow meter 15 is provided on the connecting pipe between the sludge circulation pump 13 and the water inlet sedimentation tank 16 .

[0029] Working principle: wastewater passes through the grid plate 2 from the first water inlet 1 to remove large particles of debris, enters the sedimentation tank 3, precipitates silt and other particles, and is mixed and pushed to the anaerobic tank 4 through the sludge circulation pump 13. After removing some organic pollutants and nitrogen and phosphorus substances in the wastewater, the wastewater flows into the nano purification reaction tank 6 from the second water inlet 14. The gas volume of the nano bubble generator 5 is adjusted by the dissolved oxygen detector 11. Nano bubbles are generated by oscillation, which increases the dissolved oxygen content of the water. The wastewater contacts and decomposes with the microbial flora on the mounted biological filler 7 to further remove organic pollutants and nitrogen and phosphorus substances. Through the control of the liquid level meter 12, the wastewater flows into the effluent sedimentation tank 3 through the first discharge port 10; the activated sludge at the bottom of the sedimentation tank 3 is refluxed into the anaerobic biochemical system through the sludge circulation pump 13, in order to fully mix the mud and water in the anaerobic reactor and improve its degradation effect; the reflux ratio is controlled by observing the flow meter 15, and the control process is flexibly adjusted to meet different water quality and achieve stable and standard discharge.

[0030] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An integrated rural sewage treatment equipment using nanobubble technology, characterized in that: The invention comprises a first water inlet (1), a first discharge port (10), a second discharge port (9), a second water inlet (14), an inlet sedimentation tank (16), a sewage purification tank (17) and an outlet sedimentation tank (18); the first water inlet (1) is installed above one side of the inlet sedimentation tank (16); the inlet sedimentation tank (16) and the sewage purification tank (17) are connected via the second water inlet (14); the side of the sewage purification tank (17) away from the inlet sedimentation tank (16) is connected to the outlet sedimentation tank (18) via the first discharge port (10); the side of the outlet sedimentation tank (18) away from the sewage purification tank (17) is installed with the second discharge port (9).

2. The integrated rural sewage treatment equipment using nanobubble technology according to claim 1 is characterized in that: The water inlet sedimentation tank (16) comprises a grid plate (2), a sedimentation tank (3) and an anaerobic tank (4); a grid plate (2) is installed on the top of one side of the water inlet sedimentation tank (16) close to the first water inlet (1); and a sedimentation tank (3) and a plurality of anaerobic tanks (4) are arranged inside the water inlet sedimentation tank (16).

3. The integrated rural sewage treatment equipment using nanobubble technology according to claim 1 is characterized in that: The sewage purification pool (17) comprises a nano bubble generator (5), a nano purification reaction tank (6) and a mounted biological filler (7). The sewage purification pool (17) is provided with a plurality of nano bubble generators (5) in a transverse direction. The plurality of nano bubble generators (5) divide the sewage purification pool (17) into a plurality of nano purification reaction tanks (6). The sewage purification pool (17) is provided with a mounted biological filler (7) in a longitudinal direction.

4. The integrated rural sewage treatment equipment using nanobubble technology according to claim 1 is characterized in that: The effluent sedimentation tank (18) is provided with an effluent sedimentation tank (8).

5. The integrated rural sewage treatment equipment using nanobubble technology according to claim 1 is characterized in that: The inlet sedimentation tank (16), the sewage purification tank (17) and the outlet sedimentation tank (18) are respectively connected to the sludge circulation pump (13).

6. The integrated rural sewage treatment equipment using nanobubble technology according to claim 5 is characterized in that: A flow meter (15) is provided on the connecting pipe between the sludge circulation pump (13) and the water inlet sedimentation tank (16).

7. The integrated rural sewage treatment equipment using nanobubble technology according to claim 3 is characterized in that: A dissolved oxygen detector (11) is connected above the sewage purification tank (17).

8. The integrated rural sewage treatment equipment using nanobubble technology according to claim 3 is characterized in that: A liquid level meter (12) is connected above the sewage purification tank (17).

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