CN112777842A

CN112777842A - Convenient waste water treatment device who purifies

Info

Publication number: CN112777842A
Application number: CN201911096030.6A
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: 2021-05-11

Abstract

The invention discloses a wastewater treatment device convenient for purification, which comprises a grit chamber, an aeration tank and a water purification tank, wherein a water inlet pipe is welded on one side of the top of the grit chamber, a grid is welded inside the grit chamber and below the water inlet pipe and used for removing large particles and suspended matters, a pipeline is welded at the bottom of the grit chamber and connected with a water inlet of a water pump, a water outlet of the water pump is welded at the bottom of the aeration tank through a pipeline, and the grit chamber, the water pump and the aeration tank are communicated through pipelines; aeration tank bottom trompil passes through the plastic tubing, plastic tubing and aeration tank wall are sealed through waterproof tape, the plastic tubing passes through the air outlet of threaded connection fan to the outer one end of aeration tank, filter through the physics deposit and handle waste water with the combination of membrane biological reaction technique, the grid through the grit chamber filters large granule and suspended solid and makes membrane bioreactor can not receive mud or particle absorption on the rete silk and cause the jam, thereby it is clean to make the biological enrichment in the aeration tank make the water after the biological treatment through membrane bioreactor.

Description

Convenient waste water treatment device who purifies

Technical Field

The invention relates to a wastewater treatment device, in particular to a wastewater treatment device convenient for purification.

Background

The Membrane Bioreactor (MBR for Membrane Bioreactor) is characterized in that a hollow fiber Membrane element is directly placed into an aeration tank for sludge-water separation, the selective permeability of the Membrane is utilized to realize the biological enrichment in the aeration tank, so that the biological treatment efficiency is greatly improved, and meanwhile, the sewage after biological treatment is subjected to Membrane separation to obtain clean reuse water. MBR technology is a new important technology for sewage treatment and sewage recycling. However, the membrane bioreactor is easy to be blocked due to the sludge or particles being adsorbed on membrane filaments, so that the water outlet is discontinuous, the water filtering efficiency is low, and the service life of the membrane is short. This situation is very severe at shutdown.

Disclosure of Invention

The present invention is directed to a wastewater treatment apparatus with convenient purification, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a wastewater treatment device convenient for purification comprises a grit chamber, an aeration tank and a water purification tank, wherein a water inlet pipe is welded on one side of the top of the grit chamber, a grid is welded inside the grit chamber and below the water inlet pipe and used for removing large particles and suspended matters, a pipeline is welded at the bottom of the grit chamber and connected with a water inlet of a water pump, a water outlet of the water pump is welded at the bottom of the aeration tank through a pipeline, and the grit chamber, the water pump and the aeration tank are communicated through pipelines; aeration tank bottom trompil passes through the plastic tubing, plastic tubing and aeration tank wall are sealed through waterproof adhesive tape, the plastic tubing passes through the air outlet of threaded connection fan to the outer one end of aeration tank, the plastic tubing is to the aeration hose of one side flange joint aerator in the aeration tank, the aerator is fixed in aeration tank bottom through the plastic support, the aerator top is membrane bioreactor, membrane bioreactor keeps high active sludge concentration with the membrane module in bioreactor, improve biological treatment organic load, thereby reduce sewage treatment facility area, and reduce the excess sludge volume through keeping low sludge load, mainly utilize active sludge and the macromolecular organic matter of membrane separation interception aquatic, membrane bioreactor's pipeline accesss to the aeration tank outside and through self priming pump, self priming pump accesss to the clean water basin through threaded connection pipeline.

As a further scheme of the invention: the aerator comprises an aeration hose and a membrane, wherein the aeration hose is made of NR natural rubber, the thin wall of the aeration hose is thin, the straight channel greatly reduces the aeration resistance loss, the variable holes and slits are automatically closed, the problem of blockage of the aerator is thoroughly solved, the hose is in linear aeration, the gas distribution is more uniform, the aeration hose is divided into a plurality of pipeline branches, each pipeline branch of the aeration hose is provided with a plurality of round holes which are tapped, each round hole of the aeration hose is connected with the membrane through threads, the material of the membrane is EPDM, the aeration bubble of the device is small, the gas-liquid area is large, the bubble diffusion is uniform, the blockage of holes cannot be generated, and the corrosion resistance is high.

As a still further scheme of the invention: and an opening at one side of the bottom of the aeration tank is connected with a sludge pump through pipeline threads, and the sludge pump conveys sludge precipitated at the bottom of the aeration tank to a sludge tank.

Compared with the prior art, the invention has the beneficial effects that: the wastewater is treated by combining the physical precipitation filtration technology and the membrane biological reaction technology, large particles and suspended matters are filtered by the grid of the grit chamber, so that the membrane bioreactor cannot be blocked due to the fact that sludge or particles are adsorbed on membrane filaments, and the water after biological treatment is clean due to biological enrichment in the aeration tank through the membrane bioreactor.

Drawings

FIG. 1 is a schematic view showing a construction of a wastewater treatment apparatus facilitating purification.

FIG. 2 is a schematic view showing the structure of an aerator in a wastewater treatment facility for facilitating purification.

As shown in the figure: 1. a grit chamber; 2. an aeration tank; 3. a clear water tank; 4. a water inlet pipe; 5. a grid; 6. a water pump; 7. a fan; 8. a membrane bioreactor; 9. an aerator; 10. a self-priming pump; 11. a sludge pump; 12. a membrane; 13. an aeration hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the wastewater treatment device convenient for purification in the embodiment of the invention comprises a grit chamber 1, an aeration tank 2 and a purification tank 3, wherein a water inlet pipe 4 is welded on one side of the top of the grit chamber 1, a grid 5 is welded in the grit chamber 1 below the water inlet pipe 4 and used for removing large particles and suspended matters, a water inlet of a water pump 6 is welded on the bottom of the grit chamber 1 through a pipeline, a water outlet of the water pump 6 is welded on the bottom of the aeration tank 2 through a pipeline, and the grit chamber 1, the water pump 6 and the aeration tank 2 are communicated through a pipeline; an opening at the bottom of the aeration tank 2 is sealed by a plastic pipe and a wall of the aeration tank 2 through a waterproof adhesive tape, the plastic pipe is connected with an air outlet of a fan 7 through threads towards one end outside the aeration tank 2, the plastic pipe is connected with an aeration hose 13 of an aerator 9 towards one side in the aeration tank 2 through a flange, the aerator 9 is fixed at the bottom of the aeration tank 2 through a plastic bracket, a membrane bioreactor 8 is arranged above the aerator 9, the membrane bioreactor 8 keeps high-activity sludge concentration in the bioreactor through a membrane component, and the biological treatment organic load is improved, thereby reduce sewage treatment facility area to reduce the excess sludge volume through keeping low sludge load, mainly utilize the active sludge and the macromolecular organic matter of membrane separation interception aquatic, membrane bioreactor 8's pipeline leads to aeration tank 2 outsidely and through threaded connection in self priming pump 10, and self priming pump 10 leads to clean water reservoir 3 through threaded connection pipeline.

The aerator 9 comprises an aeration hose 13 and a membrane 12, the aeration hose 13 is made of NR natural rubber, the thin wall of the aeration hose 13 and a straight channel greatly reduce the aeration resistance loss, the variable holes and slits are automatically closed, the blocking problem of the aerator 9 is thoroughly solved, the hose is in linear aeration, the gas distribution is more uniform, the aeration hose 13 is divided into a plurality of pipeline branches, each pipeline branch of the aeration hose 13 is provided with a plurality of round holes which are tapped, each round hole of the aeration hose 13 is connected with the membrane 12 through threads, the membrane 12 is made of EPDM, the aeration device is small in aeration bubble, large in gas-liquid area, uniform in bubble diffusion, free of hole blockage and strong in corrosion resistance.

An opening at one side of the bottom of the aeration tank 2 is connected with a sludge pump 11 through pipeline threads, and the sludge pump 11 transports the sludge precipitated at the bottom of the aeration tank 2 to the sludge tank.

The working principle of the invention is as follows: handle waste water through the combination of physical precipitation filtration and membrane biological reaction technique, it makes membrane bioreactor 8 can not receive mud or particle absorption on the membrane silk and cause the jam to filter large granule and suspended solid through grit chamber 1, combine aerator 9 and membrane bioreactor 8 in aeration tank 2, the reaction rate in aerator 9 has been accelerated, the mud of aeration tank 2 bottom can be transported to the sludge impoundment through sludge pump 11, make impurity reduction in waste water treatment, make waste water purify more easily.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The waste water treatment device convenient for purification comprises a grit chamber (1), an aeration tank (2) and a water purification tank (3), and is characterized in that a water inlet pipe (4) is welded on one side of the top of the grit chamber (1), a grating (5) is welded in the grit chamber (1) and positioned below the water inlet pipe (4), the grating (5) is used for removing large particles and suspended matters, a water inlet of a pipeline connecting water pump (6) is welded at the bottom of the grit chamber (1), a water outlet of the water pump (6) is welded at the bottom end of the aeration tank (2) through a pipeline, and the grit chamber (1), the water pump (6) and the aeration tank (2) are communicated through pipelines; the bottom of the aeration tank (2) is provided with an opening hole and is sealed by a waterproof adhesive tape, the plastic pipe is connected with the wall of the aeration tank (2) through a thread and is communicated with an air outlet of a fan (7), the plastic pipe is connected with an aeration hose (13) of an aerator (9) through a flange on one side in the aeration tank (2), the aerator (9) is fixed at the bottom of the aeration tank (2) through a plastic bracket, a membrane bioreactor (8) is arranged above the aerator (9), the membrane bioreactor (8) keeps high active sludge concentration in the bioreactor, the organic load of biological treatment is improved, thereby reducing the floor area of a sewage treatment facility, reducing the residual sludge amount by keeping low sludge load, mainly utilizing membrane separation to intercept active sludge and macromolecular organic matters in water, a pipeline of the membrane bioreactor (8) is communicated to the outside of the aeration tank (2) and is connected with a self-priming pump (10) through a thread, the self-priming pump (10) is communicated with the water purifying tank (3) through a threaded connection pipeline.

2. The waste water treatment device convenient for purification according to claim 1, the aerator (9) comprises an aeration hose (13) and a membrane (12), the material of the aeration hose (13) is NR natural rubber, the thin wall and the straight channel of the aeration hose (13) greatly reduce the aeration resistance loss, the variable holes and the slits are automatically closed, the problem of blockage of the aerator (9) is thoroughly solved, the hose is in a linear aeration mode, so that the air distribution is more uniform, the aeration hose (13) is divided into a plurality of pipeline branches, each pipeline branch of the aeration hose (13) is provided with a plurality of round holes which are tapped, each round hole of the aeration hose (13) is connected with the membrane (12) through threads, the membrane (12) is made of EPDM, the device has the advantages of small aeration bubbles, large gas-liquid area, uniform bubble diffusion, no eyelet blockage and strong corrosion resistance.

3. The wastewater treatment device convenient for purification according to claim 1, wherein a hole is formed on one side of the bottom of the aeration tank (2) and is connected with a sludge pump (11) through a pipeline and a screw thread, and the sludge pump (11) transports the sludge settled on the bottom of the aeration tank (2) to the sludge tank.