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System for efficiently carrying out oxygenation in finite space

A technology with limited space and high efficiency, applied in the field of high-efficiency oxygenation system in limited space, can solve the problems of high cost, uneven aeration in aerobic tanks, sludge deposition at the bottom of the tank, etc., to increase the oxygenation capacity and prolong the hydraulic retention time. , the effect of increasing the transfer rate

Active Publication Date: 2015-12-30
SHANGHAI SHIYUAN ENVIRONMENT PROTECTION TECH
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Problems solved by technology

[0011] The invention provides an efficient oxygenation system in a limited space to solve the problem of uneven aeration in the aerobic tank in actual engineering, low overall dissolved oxygen efficiency, sludge accumulation at the bottom of the tank, easy detachment of the aerator, blockage, aging, and oxygen utilization efficiency. Problems such as rapid decline, inconvenient management and maintenance, and high cost

Method used

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  • System for efficiently carrying out oxygenation in finite space
  • System for efficiently carrying out oxygenation in finite space
  • System for efficiently carrying out oxygenation in finite space

Examples

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Embodiment

[0046] This embodiment adopts a new type of aerator, and integrates centralized aeration and zoned oxygen supply technologies to provide an efficient oxygenation system in a limited space.

[0047] See figure 2 , a limited space efficient oxygenation system provided in this embodiment, comprising:

[0048] Aeration tank (2),

[0049] Several deflectors (5) are added in the aeration tank (2), and the aeration tank (2) is divided into several areas (such as figure 2 Shown as I, II, III three areas, in other embodiments can also be two areas), in each area according to the specific situation of oxygen demand concentrated arrangement of different numbers of aerators, specifically in this implementation The example is rotary cutting mixed flow aeration device (7). According to the specific situation of oxygen demand, different numbers of rotary cutting mixed flow aeration devices are arranged to balance oxygen supply and demand, realize distribution on demand, which is benefic...

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Abstract

The invention discloses a system for efficiently carrying out oxygenation in finite space. The system comprises an aeration tank, wherein a plurality of guide plates are arranged in the aeration tank and divide the aeration tank into a plurality of areas; and different quantities of aerators are arranged in the plurality of areas respectively in a concentrated manner according to the oxygen dissolution requirements of the areas. The system is designed aiming at some defects of existing aeration systems in the actual operational processes and can be applied to aerobic biological treatment units of various industrial wastewater and domestic sewage. The problems of nonuniformity of aeration in aerobic tanks, low overall oxygen dissolution efficiency, accumulation of sludge in tanks, easiness in falloff, blockage and aging of the aerators, quickness in reduction of the oxygen utilization efficiency, inconvenience in management and maintenance, high cost, and the like in actual engineering are solved by adopting the system.

Description

technical field [0001] The invention relates to the technical field of sewage and wastewater treatment, in particular to a limited-space efficient oxygenation system for aeration. Background technique [0002] Aerobic biological treatment process is widely used in various industrial wastewater and urban domestic sewage treatment projects. Aeration is the key process link. Oxygenation is realized in sewage through aeration equipment, which provides oxygen for aerobic microorganisms to decompose organic matter and maintains the activity of aerobic microorganisms. In addition, aeration also plays the role of stirring and mixing to ensure the activity The full contact of sludge, dissolved oxygen and organic pollutants can improve the effect of sewage treatment. Blast aeration is the mainstream aeration method in China, which consists of a blower, an air diffusion device and an air delivery pipeline. According to the size of the bubbles generated, the air diffuser can be divide...

Claims

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Application Information

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IPC IPC(8): C02F3/02C02F3/12
CPCY02W10/10
Inventor 张东曙杨逢午邱立俊李文贞
Owner SHANGHAI SHIYUAN ENVIRONMENT PROTECTION TECH
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