CN211005011U

CN211005011U - Wastewater treatment system

Info

Publication number: CN211005011U
Application number: CN201921933970.1U
Authority: CN
Inventors: 徐博
Original assignee: Hubei Quansheng Environmental Protection Technology Co ltd
Current assignee: Hubei Quansheng Environmental Protection Technology Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-14
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a wastewater treatment system, which comprises a transmission grid, an anaerobic tank, an aerobic tank and a clean water tank, wherein the transmission grid is formed by a motor driving a pulley to make the grid move in a translation way, a fixed pulley is provided with a convex point, a hole of the grid is buckled on the convex point of the pulley and moves along with the pulley, a wastewater channel at the lower half part of the rear part of the transmission grid is connected with a pipeline, the outer side of the joint of the pipeline and the wastewater channel is sealed by concrete, the upper half part of the rear part of the transmission grid is a garbage basket, and the garbage basket is placed above; a pipeline behind the transmission grating is connected with a water pump I and leads to the anaerobic tank, the anaerobic tank is a closed tank body, a square door is arranged above the front side of the anaerobic tank, and one side of the square door is connected to the top of the tank through a hinge; overall structure is simple, and area is little and the ability of handling waste water is strong, takes out large granule and rubbish through the grid, and the anaerobism pond is used for decomposing behind the pollutant rethread good oxygen pond further to decompose, filters clean water to the clean water basin through the MBR membrane and further disinfects again.

Description

Wastewater treatment system

Technical Field

The utility model relates to an ecological environmental protection field specifically is a wastewater treatment system.

Background

Wastewater treatment is a process of purifying wastewater to meet the water quality requirement of discharging the wastewater into a certain water body or reusing the wastewater. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The existing comprehensive wastewater treatment system has the disadvantages of complex structure, large occupied area, high use and maintenance cost and poor wastewater treatment capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wastewater treatment system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a waste water treatment system comprises a conveying grid, an anaerobic tank, an aerobic tank and a clean water tank, wherein the conveying grid enables the grid to move in a translation manner by a motor through driving a pulley, a fixed pulley is provided with convex points, holes of the grid are buckled on the convex points of the pulley and move along with the pulley, a waste water channel at the lower half part of the rear part of the conveying grid is connected with a pipeline, the outer side of the joint of the pipeline and the waste water channel is sealed through concrete, a garbage basket is arranged at the upper half part of the rear part of the conveying grid, and the garbage basket is placed; the pipeline behind the transmission grating is connected with a water pump I and leads to the anaerobic tank, the anaerobic tank is a closed tank body, a square door is arranged above the front side of the anaerobic tank, one side of the square door is connected to the top of the tank through a hinge, a stirrer is arranged on the outer side of the bottom of the anaerobic tank and drives a impeller to rotate through a motor, a shaft of the stirrer is provided with a bearing in interference fit, the outer side of the bearing of the stirrer is sealed on one side of the anaerobic tank through concrete, and the impeller of the stirrer is positioned on the inner side of the bottom of the anaerobic; the water inlet of pipe connection water pump two is passed through to anaerobism pond rear portion, the delivery port of water pump two passes through inside the pipe connection aerobic tank, the aeration pipe is placed to the bottom in aerobic tank, pipeline threaded connection fan is passed through to one side of aeration pipe, the fan operation can be with during the aeration pipe is poured into to external oxygen, the top of aeration pipe is equipped with MBR membrane device in the aerobic tank, the water inlet of three of pipe connection water pump is passed through to MBR membrane device's delivery port, the delivery port of three of water pump passes through the pipe connection water purification pond, the side upper portion of water purification pond is equipped with the charge tank, the charge tank is disinfected through chlorination feedwater, the bottom intercommunication outlet pipe.

As a further aspect of the present invention: the MBR membrane device comprises a membrane water outlet internal thread joint, an MBR membrane, a hose and a support, wherein the inside of the MBR membrane is communicated with the hose, the hose is in threaded connection with one end of the support, the other end of the support is in threaded connection with the shell, and one end of the top hose is connected with a water outlet through the membrane water outlet internal thread joint.

As a further aspect of the present invention: the aeration pipe divide into several pipeline branch, and it has the several to be attacked the round hole of screw thread to open on every pipeline branch of aeration pipe, and the aeration pipe is covered with the pond and guarantees the homogeneity of dissolved oxygen, through threaded connection diaphragm on every round hole of aeration pipe, and the material of diaphragm is EPDM, and the device aeration bubble is little, the gas-liquid area is big, and the bubble diffusion is even, can not produce the punchhole and block up, and corrosion resistance is strong.

Compared with the prior art, the beneficial effects of the utility model are that: overall structure is simple, and area is little and the ability of handling waste water is strong, takes out large granule and rubbish through the grid, and the anaerobism pond is used for decomposing behind the pollutant rethread good oxygen pond further to decompose, filters clean water to the clean water basin through the MBR membrane and further disinfects again.

Drawings

FIG. 1 is a schematic view showing a structure of a wastewater treatment system.

FIG. 2 is a schematic diagram of the MBR membrane configuration in a wastewater treatment system.

FIG. 3 is a schematic diagram of an aerator in a wastewater treatment system.

As shown in the figure: 1. a waste water channel; 2. a delivery grate; 3. a trash basket; 4. a first water pump; 5. an anaerobic tank; 6. a blender; 7. a second water pump; 8. a fan; 9. an aeration pipe; 10. an MBR membrane unit; 11. a third water pump; 12. a clear water tank; 13. a feed tank; 14. a water outlet pipe; 15. a membrane effluent internal thread joint; 16. MBR membrane; 17. a hose; 18. a support; 19. a membrane; 20. an aerobic tank.

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 to 3, in an embodiment of the present invention, a wastewater treatment system includes a transmission grid 2, an anaerobic tank 5, an aerobic tank 20 and a clean water tank 12, wherein the transmission grid 2 is a motor which drives a pulley to make the grid move in a translation manner, a fixed pulley is provided with a convex point, a hole of the grid is buckled on the convex point of the pulley and moves along with the pulley, a wastewater channel 1 at the lower half of the rear part of the transmission grid 2 is connected with a pipeline, the outer side of the joint of the pipeline and the wastewater channel 1 is sealed by concrete, the upper half of the rear part of the transmission grid 2 is a garbage basket 3, and the garbage basket 3 is placed above the; the first 4 pipe connection water pump behind the conveying grid 2 leads to the anaerobism pond 5, anaerobism pond 5 is closed cell body, there is square door and square door one side above the 5 front sides in anaerobism pond and pass through hinged joint in the top of the pool, mixer 6 is placed to the outside of anaerobism pond 5 bottom, mixer 6 is the motor drives impeller rotation, the epaxial interference fit bearing that passes through of mixer 6, the outside of mixer 6 bearing is sealed in one side of anaerobism pond 5 through the concrete, the impeller of mixer 6 is located anaerobism pond 5 bottom inboard, under the condition that pollutant concentration is high, because decompose consume dissolved oxygen make the water nearly no dissolved oxygen, thereby suitable anaerobism microorganism activity handles the structure of aquatic pollutant, the main function utilizes the effect of anaerobe, make the organic matter take place to hydrolyze, acidize and methanize, get rid of the organic matter in the waste water, and improve the biodegradability of sewage, is beneficial to the subsequent aerobic treatment; the rear part of the anaerobic tank 5 is connected with the water inlet of a water pump II 7 through a pipeline, the water outlet of the water pump II 7 is connected with the inside of an aerobic tank 20 through a pipeline, an aeration pipe 9 is arranged at the bottom of the aerobic tank 20, one side of the aeration pipe 9 is connected with a fan 8 through a pipeline thread, the fan 8 can inject external oxygen into the aeration pipe 9 in operation, an MBR membrane device 10 is arranged above the aeration pipe 9 in the aerobic tank 20, the dissolved oxygen in water is maintained by an aerator to be suitable for the growth and reproduction of aerobic microorganisms, so as to treat the structure of pollutants in water, the main function is to enable activated sludge to carry out aerobic respiration, further decompose the organic matters and remove the pollutants, the water outlet of the MBR membrane device 10 is connected with the water inlet of a water pump III 11 through a pipeline, the water outlet of the water pump III 11 is connected with a water purification tank 12 through a pipeline, the upper part of, the bottom of the clean water tank 12 is communicated with a water outlet pipe 14 for draining water.

The MBR membrane device 10 comprises a membrane water outlet internal thread connector 15, an MBR membrane 16, a hose 17 and a support 18, wherein the inside of the MBR membrane 16 is communicated with the hose 17, the hose 17 is in threaded connection with one end of the support 18, the other end of the support 18 is in threaded connection with the shell, and one end of the top hose 17 is connected with a water outlet through the membrane water outlet internal thread connector 15.

Aeration pipe 9 divide into several pipeline branch, and it has the several to be attacked the round hole of screw thread to open on 9 every pipeline branch of aeration pipe, and aeration pipe 9 is covered with the pond and guarantees the homogeneity of dissolved oxygen, through threaded connection diaphragm 19 on 9 every round holes of aeration pipe, and diaphragm 19's material is EPDM, and the device aeration bubble is little, the gas-liquid area is big, and the bubble diffusion is even, can not produce the eyelet blockage, and corrosion resistance is strong.

The utility model discloses a theory of operation is: large particles and garbage in the wastewater channel 1 are conveyed to a garbage basket 3 through a conveying grid 2, wastewater in the wastewater channel 1 enters an anaerobic tank 5 through a first water pump 4, and organic matters are hydrolyzed, acidified and methanated under the action of anaerobic bacteria, so that the organic matters in the wastewater are removed, the biodegradability of the wastewater is improved, and the subsequent aerobic treatment is facilitated; the water in the anaerobic tank 5 is transported to the aerobic tank 20 through a second water pump 7, and aerobic microorganisms (including facultative microorganisms) are utilized to carry out biological metabolism in the presence of oxygen so as to degrade organic matters, so that the organic matters are treated stably and harmlessly. The microorganism takes organic pollutants in water as a substrate to carry out aerobic metabolism, releases energy step by step through a series of biochemical reactions, and finally stabilizes the organic pollutants with low energy level to meet the requirement of harmlessness; the water in the aerobic tank 20 is transported to the clean water tank 12 through the third water pump 11, and the clean water tank 12 is disinfected through the chlorine adding tank 13 and then discharged through the water outlet pipe 14 for use.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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. A wastewater treatment system comprises a conveying grid (2), an anaerobic tank (5), an aerobic tank (20) and a clean water tank (12), and is characterized in that the conveying grid (2) is a motor which drives a pulley to make the grid move in a translation manner, a fixed pulley is provided with convex points, holes of the grid are buckled on the convex points of the pulley and move along with the pulley, a wastewater channel (1) at the lower half part of the rear part of the conveying grid (2) is connected with a pipeline, the outer side of the joint of the pipeline and the wastewater channel (1) is sealed through concrete, a garbage basket (3) is arranged at the upper half part of the rear part of the conveying grid (2), and the garbage basket (3) is placed above the pipeline; a first pipeline connection water pump (4) behind the conveying grating (2) leads to the anaerobic tank (5), the anaerobic tank (5) is a closed tank body, a square door is arranged above the front side of the anaerobic tank (5), one side of the square door is connected to the top of the tank through a hinge, a stirrer (6) is placed outside the bottom of the anaerobic tank (5), the stirrer (6) drives a impeller to rotate through a motor, a shaft of the stirrer (6) is provided with a bearing in interference fit, the outer side of the bearing of the stirrer (6) is sealed on one side of the anaerobic tank (5) through concrete, and the impeller of the stirrer (6) is positioned inside the bottom of the anaerobic tank (5); the water inlet of the second water pump (7) is connected to the rear portion of the anaerobic tank (5) through a pipeline, the water outlet of the second water pump (7) is connected to the inside of the aerobic tank (20) through a pipeline, the aeration pipe (9) is placed at the bottom of the aerobic tank (20), the pipeline is in threaded connection with the fan (8) on one side of the aeration pipe (9), the fan (8) can inject external oxygen into the aeration pipe (9) in a running mode, the MBR membrane device (10) is arranged above the aeration pipe (9) in the aerobic tank (20), the water inlet of the third water pump (11) is connected to the water outlet of the MBR membrane device (10) through a pipeline, the water outlet of the third water pump (11) is connected to the water purifying tank (12) through a pipeline, the feeding groove (13) is arranged on the upper portion of the side of the water purifying tank (12), the feeding groove (13) is disinfected through.

2. The wastewater treatment system of claim 1, wherein the MBR membrane device (10) comprises a membrane outlet internal thread connector (15), an MBR membrane (16), a hose (17) and a bracket (18), the MBR membrane (16) is internally communicated with the hose (17), the hose (17) is screwed at one end of the bracket (18), the other end of the bracket (18) is screwed on the shell, and one end of the top hose (17) is connected with the water outlet through the membrane outlet internal thread connector (15).

3. The wastewater treatment system according to claim 1, wherein the aeration pipe (9) is divided into a plurality of pipe branches, each pipe branch of the aeration pipe (9) is provided with a plurality of tapped round holes, the aeration pipe (9) is fully distributed in the tank to ensure the uniformity of dissolved oxygen, each round hole of the aeration pipe (9) is connected with a membrane (19) through a screw thread, and the membrane (19) is made of EPDM.