Efficient and compact sewage treatment equipment
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, especially, relate to a high-efficient compact sewage treatment device.
Background
Water is the basis of human being relying on survival, with the continuous development of human society, environmental pollution becomes increasingly serious, water quality of a water body is increasingly worsened, human beings face serious situations of water pollution and water shortage, and sewage discharge is a great important factor of water pollution, so that sewage treatment becomes an important work of modern society.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a sewage treatment device that area is little, and the treatment effect is good, and degree of automation is high, uses manpower sparingly's high-efficient compactness.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a high-efficient compact sewage treatment device, includes the box, be provided with pretreatment tank, aeration tank, filtering ponds and the product pond that communicates in proper order in the box, pretreatment tank water inlet department installs the grid of slope, the aeration tank includes first aeration tank and second aeration tank, first aeration tank and second aeration tank bottom all are provided with a plurality of formula aerators that mix soon, install membrane bioreactor in the filtering ponds.
One side of the pretreatment tank, which is far away from the water inlet, is provided with an overflow port, the overflow port of the pretreatment tank is communicated with a liquid inlet of an aeration tank, and the aeration tank, the filter tank and the water production tank are communicated with each other through a water pump.
And a workbench is arranged behind the grating.
The membrane bioreactor comprises a membrane frame, wherein membrane slots are formed in the membrane frame, MBR membranes are installed on the membrane slots, water outlet branch pipes are arranged at the tops of the MBR membranes, the water outlet branch pipes are communicated with a water outlet header pipe through hoses, and outer aeration pipes are arranged below the membrane frame.
By adopting the technical scheme, the utility model has simple integral structure, compact and continuous processes, forms a set of integral system and occupies small area; the whole system is easy to realize automatic control, convenient to operate, manage and maintain and saves human resources.
During operation, sewage enters the pretreatment tank from the water inlet, large floaters and particles are intercepted through the grating, a workbench is arranged behind the grating, workers can conveniently clean the grating, the sewage filtered by the grating enters the first aeration tank and the second aeration tank sequentially through an overflow port, the rotary mixing type aerator in the aeration tank adopts a multi-layer spiral cutting mode to carry out oxygenation aeration, when air flow enters the rotary mixing type aerator, the air flow enters the multi-layer zigzag gas distribution head at the lower layer after being cut by the two-channel spiral cutting system to carry out multi-layer cutting, so that bubbles are cut into micro bubbles, the utilization rate of oxygen is greatly improved, the aeration tank has the characteristics of uniform gas distribution and high oxygenation efficiency, the sewage enters the membrane of the membrane bioreactor after passing through the aeration tank to be filtered, compared with many traditional biological water treatment processes, the water quality of the membrane bioreactor is high and stable, and the separation effect is far better than that of a traditional sedimentation tank, the treated water is extremely clear, suspended matters and turbidity are close to zero, bacteria and viruses are greatly removed, and the treatment effect is good.
The utility model has the advantages that: the device has the advantages of small occupied area, good treatment effect, high automation degree and labor saving.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic structural view of the membrane bioreactor of the present invention
In the figure:
1. box 2, pretreatment tank 3, filtering tank
4. Produce pond 5, grid 6, first aeration tank
7. A second aeration tank 8, a rotary mixing type aerator 9 and a membrane bioreactor
10. Workbench 11, membrane frame 12 and MBR membrane
13. Water outlet branch pipe 14, hose 15 and water outlet main pipe
16. External aeration pipe
Detailed Description
As shown in figures 1 and 2, the utility model relates to a high-efficiency compact sewage treatment device, which comprises a box body 1, a pretreatment tank 2, an aeration tank, a filter tank 3 and a water production tank 4 which are sequentially communicated are arranged in the box body 1, an inclined grating 5 is arranged at the water inlet of the pretreatment tank 2, the aeration tank comprises a first aeration tank 6 and a second aeration tank 7, three rotary mixing type aerators 8 are respectively arranged at the bottoms of the first aeration tank 6 and the second aeration tank 7, a membrane bioreactor 9 is arranged in the filter tank 3, an overflow port is arranged at one side of the pretreatment tank 2 away from the water inlet, the overflow port of the pretreatment tank 2 is communicated with the liquid inlet of the aeration tank, the filter tank 3 and the water production tank 4 are respectively communicated through a water pump, a workbench 10 is arranged behind the grating 5, the membrane bioreactor 9 comprises a membrane frame 11, a membrane slot is arranged on the membrane frame 11, an MBR membrane 12 is arranged on the membrane slot, the top of the MBR membrane 12 is provided with a water outlet branch pipe 13, the water outlet branch pipe 13 is communicated with a water outlet main pipe 15 through a hose 14, and an outer aeration pipe 16 is arranged below the membrane frame 11.
The utility model has simple integral structure, compact and continuous processes, and small occupied area, and forms a set of integral system; the whole system is easy to realize automatic control, convenient to operate, manage and maintain and saves human resources.
During operation, sewage enters the pretreatment tank 2 from the water inlet, large floaters and particles are intercepted by the grating 5, the workbench 10 arranged behind the grating 5 is convenient for workers to clean the grating 5, the sewage filtered by the grating 5 enters the first aeration tank 6 and the second aeration tank 7 in sequence through the overflow port, the rotary mixing type aerator 8 in the aeration tank adopts a multi-layer spiral cutting mode to carry out oxygenation aeration, when air flow enters the rotary mixing type aerator, the air flow enters the multi-layer zigzag gas distribution head at the lower layer after being cut by the two-path spiral cutting system to carry out multi-layer cutting, so that bubbles are cut into micro bubbles, the oxygen utilization rate is greatly improved, the aeration tank has the characteristics of uniform gas distribution and high oxygenation efficiency, the sewage enters the membrane of the membrane bioreactor 9 after passing through the aeration tank to be filtered, compared with many traditional biological water treatment processes, the quality of effluent of the membrane bioreactor 9 is high and stable, the separation effect is far better than that of the traditional sedimentation tank, the treated water is extremely clear, suspended matters and turbidity are close to zero, bacteria and viruses are greatly removed, and the treatment effect is good.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.