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Special equipment for sewage treatment by optimizing and expanding native bacteria of sludge

A special equipment, the technology of native bacteria, applied in water/sludge/sewage treatment, biological water/sewage treatment, biochemical equipment and methods, etc., can solve the problem of discounted sewage degradation effect, high consumption of oxygen and bacteria, and high cost and other problems, to achieve the effect of reducing the amount of input, improving sewage treatment, and reducing costs

Pending Publication Date: 2019-07-23
陈师楚
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  • Abstract
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Problems solved by technology

[0005] At present, there are two kinds of activated sludge methods used by major sewage treatment companies. One is to directly culture bacteria in water bodies in sections. Oxygenation in the water body culture section, but due to the fluidity of the water body, this kind of culture consumes a lot of oxygen and bacteria, and the cost is quite high
The other is to extract water sludge, transport the sludge to the culture tank for cultivation with oxygen and nutrients, this kind of cultivation has no selectivity for bacteria, effective bacteria and invalid bacteria will be cultivated in equal amounts, and after cultivation, they will be discharged to Water bodies, such cultures are also cultivated due to invalid bacteria, which also leads to high costs, and the sewage degradation effect is greatly reduced due to the existence of a large number of invalid bacteria

Method used

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  • Special equipment for sewage treatment by optimizing and expanding native bacteria of sludge
  • Special equipment for sewage treatment by optimizing and expanding native bacteria of sludge

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Embodiment Construction

[0016] The technology will be further described below in conjunction with the accompanying drawings.

[0017] The steps of the method for optimizing the expansion of the original flora of the sludge to treat the sewage are as follows:

[0018] a. Extract the silt at the bottom of the river bed and carry out sand removal treatment. The silt in the river bed contains a large number of native bacteria, including effective bacteria and invalid bacteria;

[0019] b. A large amount of nutrients are added to the mud water obtained from a that contains a large number of protobacteria. The nutrients include carbon source nutrients and nitrogen source nutrients, and a large number of beneficial and unhelpful protobacteria are cultivated;

[0020] c. Add additional beneficial bacteria to the large amount of native bacterial slurry obtained in b, break the balance of effective bacteria and invalid bacteria, make the effective bacteria in a dominant state, inhibit the reproduction of inval...

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Abstract

The invention discloses special equipment for sewage treatment by optimizing and expanding native bacteria of sludge. The equipment comprises a sludge extractor, a sand remover, a biochemical reactiontank, a fermentation tank and an activated sludge culture tank, the sludge extractor, the sand remover, the biochemical reaction tank, the fermentation tank and the activated sludge culture tank areconnected in sequence, a nutrient addition device and a pH value regulator are connected between the sand remover and the biochemical reaction tank, a bacteria addition is connected between the biochemical reaction tank and the fermentation tank, the surface of the outer circumferential wall of the fermentation tank is wound with a large number of heating tubes, the heating tubes are heated by a heater, native bacterial species are obtained by extracting water sludge, then the native bacteria are cultivated, and the reproduction of ineffective bacteria is inhibited during cultivation, so thata large number of effective bacteria are obtained, these effective bacteria obtained from the reproduction of native bacteria are discharged into the sewage for biological degradation of organic pollutants, and purpose of performing purification treatment on the sewage is achieved.

Description

[0001] Technical field: [0002] The invention relates to a special equipment for optimally expanding and cultivating the original bacteria flora of sludge to treat sewage. [0003] Background technique: [0004] The biological method of sewage treatment is to use the metabolic function of microorganisms to degrade the dissolved and colloidal organic pollutants in the sewage and convert them into harmless substances, so that the sewage can be purified. The activated sludge method is a widely used biological treatment method. The air is continuously blown into the sewage in the aeration tank. After a period of time, the flocs containing a large number of aerobic microorganisms-activated sludge are formed in the water. Due to Activated sludge has a huge specific surface area, which can absorb organic matter in sewage; at the same time, active microorganisms in activated sludge use organic matter as food, gain energy and continue to grow and proliferate, so they can remove organic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/36C12M1/02C02F3/34C02F101/30
CPCC12M41/26C12M27/02C12M41/22C02F3/34C02F2101/30
Inventor 陈师楚关丽莹梁嘉文崔鹤川冯丽团
Owner 陈师楚
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