CN217677195U

CN217677195U - Full-pneumatic integrated sewage treatment equipment resistant to water quality fluctuation

Info

Publication number: CN217677195U
Application number: CN202221023539.5U
Authority: CN
Inventors: 邓洪锋; 梁和国; 袁远业; 邓伟彬
Original assignee: Guangxi Wellsun Environmental Protection Science And Technology Development Co ltd
Current assignee: Guangxi Wellsun Environmental Protection Science And Technology Development Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-28
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a full pneumatic type integration sewage treatment device of water quality fluctuation resistance, including anaerobism pond, guiding gutter and hand-basket grid, the inside guiding gutter that is provided with of anaerobism pond, and the inside hand-basket grid that is provided with of guiding gutter, the oxygen deficiency pond outside is provided with biological contact oxidation pond, mud gravity backward flow mouth has been seted up to biological contact oxidation pond bottom, the biological contact oxidation pond outside is provided with the preliminary sedimentation pond, the biological contact oxidation pond outside is provided with two heavy ponds. The full-pneumatic integrated sewage treatment equipment with the water quality fluctuation effectively solves the problems that sewage impurities block an internal pipeline of the equipment or damage internal facilities of the equipment, the operation energy consumption is high, the operation and maintenance management and maintenance are difficult, sludge at the bottom of the equipment is silted up, active microorganisms in a biochemical system run off under the condition of low load of the water quality, and finally discharged water treated by the integrated sewage treatment equipment cannot stably reach the standard due to the fluctuation of the water quality of sewage entering the equipment.

Description

Full-pneumatic integrated sewage treatment equipment resistant to water quality fluctuation

Technical Field

The utility model relates to a sewage treatment technical field specifically is a full pneumatic type integration sewage treatment device of water quality fluctuation resistance.

Background

The integrated sewage treatment equipment is widely used for treating domestic sewage in rural areas, tourist attractions, new residential areas, hotels, schools, hospitals, entertainment venues and the like. In the prior art, due to the water quality characteristics of sewage, traditional A2O is mostly adopted by integrated sewage treatment equipment, but the limitation of the internal structure and the operation mode of the traditional integrated sewage treatment equipment and the fluctuation of the front-end sewage quality lead to that the commonly used integrated sewage treatment equipment is difficult to adapt to the fluctuation of the water quality in the actual sewage treatment process, and the treated effluent can not stably reach the standard.

However, the existing sewage treatment equipment has the following defects in use, such as;

sewage impurities block an internal pipeline of the equipment or damage internal facilities of the equipment, the operation energy consumption is high, the operation and maintenance management and maintenance are difficult, sludge at the bottom of the equipment is deposited, active microorganisms in a biochemical system run off under the condition of low load of water quality, and final effluent treated by the integrated sewage treatment equipment cannot stably reach the standard due to the fluctuation of the water quality of sewage entering the equipment.

We have therefore proposed a fully pneumatic integrated sewage treatment plant resistant to water fluctuation in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full pneumatic type integration sewage treatment device of fluctuation of water quality to solve the sewage impurity that above-mentioned background art provided and block up the equipment inner pipe or damage equipment inner facility, the operation energy consumption is high, fortune maintenance management and maintenance difficulty, the mud siltation of equipment bottom, quality of water runs off at the interior active microbe of biochemical system under the low-load condition, the final play water that leads to integration sewage treatment device to handle because of the quality of water fluctuation of the interior sewage of entering equipment can not stabilize up to standard problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water fluctuation-resistant full-pneumatic type integration sewage treatment device, includes anaerobism pond, guiding gutter and hand-basket grid, the inside guiding gutter that is provided with of anaerobism pond, and the inside hand-basket grid that is provided with of guiding gutter, the anaerobism pond outside is provided with the oxygen deficiency pond, the oxygen deficiency pond outside is provided with biological contact oxidation pond, mud gravity backward flow mouth has been seted up to biological contact oxidation pond bottom, the biological contact oxidation pond outside is provided with the preliminary sedimentation pond, the biological contact oxidation pond outside is provided with two heavy ponds.

Preferably, the water inlet of the diversion trench is communicated with the water inlet of the equipment main body, the water outlet of the diversion trench is formed in the bottom of the anaerobic tank, a groove is formed in the basket grid, and the main body shell of the integrated sewage treatment equipment is made of glass fiber reinforced plastics or carbon steel anti-corrosion materials or stainless steel materials.

Preferably, an aeration device is arranged at the bottom of the biological contact oxidation tank, a pneumatic stirring device is arranged at the lower end of the anaerobic tank, an air-lift type mixed liquid backflow device is arranged at the tail end of the biological contact oxidation tank, the pneumatic stirring device is arranged at the lower end of the aeration device, a gas outlet hole with the diameter of 3mm and the direction facing downwards is formed in the lower end of the pneumatic stirring device, a grating net with the gap of 3mm is arranged at the inlet of the air-lift type mixed liquid backflow device, and a final outlet is formed in the water inlet of the bin at the upper part of the anaerobic tank.

Preferably, the bottom of the pre-settling tank is provided with an air-lift sludge backflow and sludge discharge device, the upper side of the equipment main body is provided with a pneumatic control valve well, the upper side of the equipment main body is provided with an aeration main pipe, and biological fillers are respectively arranged in the anaerobic tank, the anoxic tank and the biological contact oxidation tank.

Preferably, an aeration main pipe, a manual valve and an electric valve are respectively arranged in the pneumatic control valve well.

Preferably, one end of the aeration main pipe is communicated with the air blower, and the other end of the aeration main pipe is respectively communicated with the aeration device, the pneumatic stirring device, the stripping type mixed liquid reflux device, the stripping type sludge reflux device and the sludge discharge device.

Compared with the prior art, the beneficial effects of the utility model are that: the full-pneumatic integrated sewage treatment equipment resisting water quality fluctuation;

(1) The device effectively solves the problems that sewage impurities block the internal pipeline of the device or damage the internal facilities of the device, the operation energy consumption is high, the operation and maintenance management and maintenance are difficult, sludge at the bottom of the device is deposited, active microorganisms in a biochemical system of water quality are lost under the condition of low load, and the final effluent treated by the integrated sewage treatment device cannot stably reach the standard due to the fluctuation of the water quality of the sewage entering the device.

(2) According to the elevation of the sewage from the front end, if the sewage can automatically flow to the equipment, the equipment can directly treat the sewage and save the operation modes of a regulating tank and a lifting pump due to the capability of resisting water quality fluctuation.

(3) Because this equipment has set up the pneumatic agitating unit of bottom, so throwing the initial debugging in-process of throwing the bacterial domestication, mud can not silted up at the bottom, compares traditional integrated sewage treatment device, and this equipment can shorten the time of initial debugging to a certain extent.

(4) The produced surplus sludge of this equipment is few, and automatic operation after the parameter is set for to the accessible PLC system, through the initial stage debugging completion after, need not manual operation in follow-up fortune dimension, finally can reach unmanned on duty's effect.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the outer top structure of the present invention;

fig. 4 is a schematic view of the bottom structure of the pneumatic stirring device of the present invention.

In the figure: 1. an anaerobic tank; 2. a diversion trench; 3. a basket grid; 4. an anoxic tank; 5. a biological contact oxidation pond; 6. a sludge gravity return port; 7. a preliminary sedimentation tank; 8. a secondary sedimentation tank; 9. an aeration device; 10. a pneumatic stirring device; 11. a gas stripping type mixed liquid reflux device; 12. a gas stripping type sludge backflow and discharge device; 13. a pneumatic control valve well; 14. an aeration main pipe; 15. biological stuffing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a full pneumatic type integration sewage treatment device of resistant fluctuation of water quality, including anaerobism pond 1, guiding gutter 2, hand-basket grid 3, oxygen deficiency pond 4, biological contact oxidation pond 5, mud gravity backward flow mouth 6, preliminary sedimentation pond 7, two heavy ponds 8, aeration equipment 9, pneumatic agitating unit 10, the mixed liquid reflux unit 11 of air-lift formula, air-lift formula mud backward flow and row mud device 12, pneumatic control valve well 13, aeration main pipe 14 and biofilm carrier 15, anaerobism 1 inside is provided with guiding

gutter

2, and 2 inside hand-basket grid 3 that are provided with of guiding gutter, 1 outside in anaerobism pond is provided with

oxygen deficiency pond

4, 4 outside in oxygen deficiency pond is provided with biological contact oxidation pond 5, sludge gravity backward flow mouth 6 has been seted up to biological contact oxidation pond 5 bottom, the biological contact oxidation pond 5 outside is provided with preliminary sedimentation pond 7, the biological contact oxidation pond 5 outside is provided with two heavy ponds 8.

The water inlet of the diversion trench 2 is communicated with the water inlet of the equipment main body, the water outlet is arranged at the bottom of the anaerobic tank 1, a groove is formed in the basket grid 3, the main body shell of the integrated sewage treatment equipment is made of glass fiber reinforced plastic or carbon steel anti-corrosion material or stainless steel material, the material is longer in service life, and the groove structure in the basket grid 3 enables the basket grid to be conveniently fixed in position and lifted manually.

5 bottoms in biological contact oxidation pond are provided with

aeration equipment

9, and 1 lower extreme in anaerobism pond is provided with pneumatic

agitating unit

10, and 5 ends in biological contact oxidation pond are provided with air lift formula and mix liquid reflux unit 11, pneumatic agitating unit 10 is installed at aeration equipment 9's lower extreme, and pneumatic agitating unit 10 lower extreme is provided with the diameter and is 3mm, the direction venthole down, air lift formula is mixed liquid reflux unit 11's import and is provided with the grid net that the clearance is 3mm, final export sets up in the bin water inlet department on 4 upper portions in oxygen deficiency pond.

The bottom of the pre-settling tank 7 is provided with an air-lift sludge backflow and sludge discharge device 12, the upper side of the equipment main body is provided with a pneumatic control valve well 13, the upper side of the equipment main body is provided with an aeration main pipe 14, the anaerobic tank 1, the inside of the anoxic tank 4 and the biological contact oxidation tank 5 is respectively provided with a biological filler 15, the inside of the equipment adopts an air-lift mixed liquid backflow device 11 and an air-lift sludge backflow and sludge discharge device 12 to replace a traditional mixed liquid backflow pump, a sludge backflow pump and a sludge discharge pump, and the purpose of automatic control can be achieved by controlling the air-lift liquid flow through the valve adjusting air quantity and the adjusting valve at the valve well.

The pneumatic control valve well 13 is internally provided with an aeration main pipe 14, a manual valve and an electric valve respectively.

One end of the aeration main pipe 14 is communicated with the blower, and the other end is respectively communicated with the aeration device 9, the pneumatic stirring device 10, the gas stripping type mixed liquid reflux device 11 and the gas stripping type sludge reflux and discharge device 12.

The working principle is as follows: when the full-pneumatic integrated sewage treatment equipment resisting water quality fluctuation is used, firstly, impurities in sewage from the front end can be blocked by the basket grid 3 and the diversion trench 2, then the sewage enters the bottom of the anaerobic tank 1 through the diversion trench 2, then the sewage and activated sludge are fully mixed by the pneumatic stirring device 10, then the sewage enters the pre-sedimentation tank 7 and the secondary sedimentation tank 8, when the equipment stops water inflow, a part of redundant sludge in the pre-sedimentation tank 7 flows back to the anoxic tank 4 through the sludge gravity backflow port 6 and the gas lift type mixed liquid backflow device 11, and a part of redundant sludge flows back to the biological contact oxidation tank 5 through the sludge gravity backflow port 6, so that the effective microorganism content of a biochemical system can be ensured, loss is avoided, the content of active microorganisms in the equipment can be always kept, and the upper side of each tank is provided with an overhaul port to facilitate overhaul.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a full pneumatic type integration sewage treatment device of fluctuation of water quality, includes anaerobism pond (1), guiding gutter (2) and hand-basket grid (3), its characterized in that: anaerobic tank (1) inside is provided with guiding gutter (2), and inside basket grid (3) that is provided with of guiding gutter (2), anaerobic tank (1) outside is provided with oxygen deficiency pond (4), oxygen deficiency pond (4) outside is provided with biological contact oxidation pond (5), mud gravity backward flow mouth (6) have been seted up to biological contact oxidation pond (5) bottom, biological contact oxidation pond (5) outside is provided with preliminary sedimentation tank (7), biological contact oxidation pond (5) outside is provided with two heavy ponds (8).

2. The fully pneumatic integrated sewage treatment equipment resistant to water quality fluctuation according to claim 1, wherein: the water inlet of the diversion trench (2) is communicated with the water inlet of the equipment main body, the water outlet is formed in the bottom of the anaerobic tank (1), a groove is formed in the basket grid (3), and the main body shell of the integrated sewage treatment equipment is made of glass fiber reinforced plastics or carbon steel anti-corrosion materials or stainless steel materials.

3. The fully pneumatic integrated sewage treatment equipment resistant to water quality fluctuation according to claim 1, wherein: biological contact oxidation pond (5) bottom is provided with aeration equipment (9), and anaerobism pond (1) lower extreme is provided with pneumatic agitating unit (10) to biological contact oxidation pond (5) end is provided with air stripping formula and mixes liquid reflux unit (11), the lower extreme at aeration equipment (9) is installed in pneumatic agitating unit (10), and pneumatic agitating unit (10) lower extreme is provided with the diameter and is 3mm, direction venthole down, the import that air stripping formula mixed liquid reflux unit (11) was provided with the grid net that the clearance is 3mm, final export set up in the bin water inlet department on oxygen deficiency pond (4) upper portion.

4. The fully pneumatic integrated sewage treatment equipment resistant to water quality fluctuation according to claim 1, wherein: the device is characterized in that an air-lift sludge backflow and sludge discharge device (12) is arranged at the bottom of the pre-settling tank (7), a pneumatic control valve well (13) is arranged on the upper side of the equipment main body, an aeration main pipe (14) is arranged on the upper side of the equipment main body, and biological fillers (15) are respectively arranged inside the anaerobic tank (1), the anoxic tank (4) and the biological contact oxidation tank (5).

5. The fully pneumatic integrated sewage treatment plant resistant to water quality fluctuation according to claim 4, wherein: an aeration main pipe (14), a manual valve and an electric valve are respectively arranged in the pneumatic control valve well (13).

6. The fully pneumatic integrated sewage treatment equipment resistant to water quality fluctuation according to claim 4, wherein: one end of the aeration main pipe (14) is communicated with the air blower, and the other end of the aeration main pipe is respectively communicated with the aeration device (9), the pneumatic stirring device (10), the air-lift type mixed liquid reflux device (11) and the air-lift type sludge reflux and discharge device (12).