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Rotary filtration method for sewage and filter used for sewage treatment

A filtration method and filter technology, which are applied in water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc. To solve problems such as large floor space, it can reduce the size and floor space of the equipment, enhance the pollution-holding capacity, and improve the overall efficiency.

Pending Publication Date: 2018-10-16
深圳市兰科环境技术有限公司
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  • Summary
  • Abstract
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  • Application Information

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Problems solved by technology

[0002] The oily sewage treatment devices and systems in the prior art need to separate the sediment and oil from the sewage at the same time, usually requiring graded filtration, the system is complex and occupies a large area; After operation, it is usually necessary to flush the filter device to restore its filtering ability; if the adaptability to sewage treatment capacity of different concentrations is poor, especially when high-concentration sewage treatment is carried out after a period of operation, the effect is not good; such sewage treatment The method leads to high comprehensive operation cost of sewage treatment

Method used

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  • Rotary filtration method for sewage and filter used for sewage treatment
  • Rotary filtration method for sewage and filter used for sewage treatment
  • Rotary filtration method for sewage and filter used for sewage treatment

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Embodiment Construction

[0027] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] Such as Figure 1 to Figure 4 In the shown preferred embodiment of the filter for sewage treatment, it includes: a filter body 100, a rotary filter assembly 200, a rotary power unit 300, a water inlet 120 for the input of external sewage to be treated, and a water inlet for the discharge of treated sewage. the first discharge port 130; the rotary filter assembly 200 is arranged in the inner cavity of the filter body 100; the rotary power device 300 is connected with the rotary filter assembly 200 for driving the rotary filter assembly 200 Perform rotary filtration; the water inlet 120 is arranged on the side wall of the filter body 100, after the external sewage enters the filter body 100 through the water inlet 120, the sewage passes through the rotary filter assembly 200 under pressure For filtering, the dirt is blocked outside the ro...

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Abstract

The invention discloses a rotary filtration method for sewage. The method comprises the following steps: external force drives a rotary filter assembly to make the rotary filter assembly rotate arounda central axis perpendicular to the ground; when the sewage to be treated enters the interior of the rotary filter assembly through an outer surface, dirt is blocked at the outer surface of the rotary filter assembly; and water entering the interior of the rotating filter assembly is discharged through a first discharge opening communicating with the interior of the rotary filter assembly. A filter comprises a filter main body, the rotary filter assembly, a rotary power device, a water inlet and the first discharge opening; the rotary power device drives the rotary filter assembly for rotaryfiltration; the external sewage passes through and is filtered by the rotary filter assembly, and the dirt is blocked outside the rotary filter assembly; and the first discharge opening is arranged inthe bottom of the filter main body, runs through an inner cavity of the rotary filter assembly and is used for discharging filtered sewage. According to the method and filter disclosed by the invention, rotary filtration greatly improves filtration capacity and operation efficiency and enables oil stain to be accumulated at the upper part of the filter main body, and comprehensive efficiency of oil-water separation is greatly improved.

Description

technical field [0001] The invention relates to sewage treatment technology, in particular to a filter and a filtering method for high-efficiency filtering of oily sewage. Background technique [0002] The oily sewage treatment devices and systems in the prior art need to separate the sediment and oil from the sewage at the same time, usually requiring graded filtration, the system is complex, and the floor area is large; After operation, it is usually necessary to flush the filter device to restore its filtering capacity; if the adaptability to sewage treatment capacity of different concentrations is poor, especially when high-concentration sewage treatment is carried out after a period of operation, the effect is not good; such sewage treatment The method leads to high comprehensive operation cost of sewage treatment. Contents of the invention [0003] The technical problem to be solved by the present invention is to avoid the shortcomings of the above-mentioned prior a...

Claims

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Application Information

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IPC IPC(8): B01D33/067B01D33/073B01D33/48B01D33/70B01D33/80C02F1/00C02F1/40C02F1/38
CPCB01D33/067B01D33/073B01D33/48B01D33/70B01D33/801C02F1/001C02F1/38C02F1/40C02F2303/14C02F2201/006
Inventor 洪川
Owner 深圳市兰科环境技术有限公司
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