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Kitchen biogas slurry treatment method and device

A technology for biogas slurry treatment and kitchen, which is applied in separation methods, water/sewage treatment, chemical instruments and methods, etc. It can solve the problems of inability to meet the discharge standards and poor biodegradability, so as to save the cost of chemicals and reduce the dosage of chemicals , The effect of short engineering cycle

Inactive Publication Date: 2016-10-19
珠海昊森万鸿环保科技有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the anaerobic biogas production process of the biogas slurry, the ratio of carbon, nitrogen and phosphorus is out of balance, so the biodegradability is poor
General methods cannot deal with up-to-standard emissions

Method used

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  • Kitchen biogas slurry treatment method and device

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Embodiment Construction

[0025] Such as figure 1 As shown, a kitchen biogas slurry treatment device includes a pretreatment part, an MVR evaporator 1, a primary steam purifier 2 and a secondary steam purifier 3, and the pretreatment part and the MVR evaporator 1 The water inlets are connected, the MVR evaporator 1, the primary steam purifier 2 and the secondary steam purifier 3 are connected in sequence, and the secondary steam purifier 3 is connected to the MVR evaporator 1 connected, the pretreatment part is connected with the external biogas digester.

[0026] The pretreatment section includes a mixer 4, a sedimentation tank 5 and a dehydrator 6 connected in sequence, the water inlet of the mixer 4 is connected to an external biogas slurry tank, and the water outlet of the sedimentation tank 5 is connected to the MVR The first water inlet of the evaporator 1 is connected, and the outlet of the sedimentation tank 5 is connected with the inlet of the dehydrator 6 .

[0027] A demister 7 is arranged...

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Abstract

The invention discloses and provides a kitchen biogas slurry treatment method and device which are simple in technological process, low in equipment cost, small in agent adding amount and stable in treatment effect. The kitchen biogas slurry treatment device comprises a pre-treatment part, an MVR evaporator, a primary steam purifier and a secondary steam purifier. The pre-treatment part is connected with the water inflow end of the MVR evaporator, the MVR evaporator, the primary steam purifier and the secondary steam purifier are sequentially connected, the secondary steam purifier is connected with the MVR evaporator, and the pre-treatment part is connected with an external biogas slurry pond. The kitchen biogas slurry treatment method and device are suitable for the field of kitchen biogas slurry treatment.

Description

technical field [0001] The invention relates to a treatment method and a treatment device for kitchen biogas slurry. Background technique [0002] Food waste biogas slurry is a kind of wastewater with high concentration of organic or inorganic matter produced after anaerobic fermentation of food waste. Kitchen waste, commonly known as swill, is the domestic waste formed by residents in the process of living consumption. It is easy to rot and deteriorate, emits foul smell, and spreads bacteria and viruses. The main components of food waste include rice and flour food residues, vegetables, animal and vegetable oils, meat and bones, etc. From the chemical composition, there are starch, cellulose, protein, lipids and inorganic salts. After the kitchen waste is treated by anaerobic fermentation, a large amount of biogas will be produced. Biogas is a kind of clean energy, which can be used for incineration to generate electricity, and a large amount of biogas slurry will also be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10B01D53/75C02F11/12C02F1/52C02F1/04
CPCB01D53/75C02F9/00C02F11/12C02F1/52C02F1/048
Inventor 蔡名金蔡斌廖治平徐永华曾燏
Owner 珠海昊森万鸿环保科技有限公司
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