Biogas slurry resource concentration recycling treatment method and system

A treatment method and technology of a treatment system, which are applied in the field of biogas slurry resource recycling treatment methods and treatment systems, can solve the problems of incomplete utilization of biogas slurry, increased membrane cleaning times, and increased operating costs, etc. Achieving variety and reducing membrane loss

Inactive Publication Date: 2016-09-28
南京钛时新能源有限公司
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  • Application Information

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Problems solved by technology

The main problems of this treatment method are: (1) The utilization of the biogas slurry is not complete; (2) Since the biogas slurry contains a large amount of impurities and has a high viscosity, simple sedimentation, filtration and removal of impurities cannot effectively change the biog...

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  • Biogas slurry resource concentration recycling treatment method and system
  • Biogas slurry resource concentration recycling treatment method and system
  • Biogas slurry resource concentration recycling treatment method and system

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Embodiment Construction

[0052] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the specific embodiments listed are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0053] figure 1 It is a flow block diagram of the biogas slurry recycling treatment method of the present invention; as shown in the figure, the treatment method includes the following steps:

[0054] S1. Conditioning pond treatment: firstly, the biogas slurry is transported to the biogas slurry regulating pond 1 for storage, and the biogas slurry is fully stirred and homogenized by the submersible mixer installed in the biogas slurry regulating pond 1, and the biogas slurry is coarsely filtered through the filter screen 2, To remove part of the gravel and large particles of insoluble impurities in the biogas slurry, and then transport the biogas slurry to the pretreatment unit;

[0055] S2. Pretre...

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Abstract

The invention relates to a biogas slurry resource recycling treatment method and treatment system; the treatment method includes the treatment processes of adjusting pond treatment, pretreatment, solid-liquid separation, multistage membrane concentration treatment, multi-effect evaporation, finished product sterilization packaging and cleaning and sewage treatment operation. Ordinary biogas slurry can be filtered and concentrated into an efficient organic liquid fertilizer product, the purpose of circular use of resources is achieved, moreover, the filtrate is up to standard and discharged or reused, the scope of use is expanded, high added value utilization of the biogas slurry is achieved, environmental pollution is also avoided, additional addition of substances is not need, and the product quality optimization can be ensured; and the diversity of the product is achieved.

Description

technical field [0001] The invention belongs to the technical field of biogas slurry resource utilization, and in particular relates to a treatment method and a treatment system for biogas slurry resource recovery and utilization. Background technique [0002] As the number and intensification of large-scale farms in my country continue to increase, the amount of waste generated is large and concentrated, resulting in increasingly serious environmental pollution from livestock and poultry manure. Using anaerobic digestion to treat manure and sewage from livestock and poultry farms is a very effective way of waste treatment and utilization. Through anaerobic fermentation, it can realize the harmless treatment of waste, and can also generate a large amount of biogas for heating, cooking and For power generation and other purposes, the fermented biogas residue and biogas slurry not only contain macronutrients such as nitrogen, phosphorus, potassium and micronutrients such as zi...

Claims

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Application Information

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IPC IPC(8): C02F9/10C05F5/00C05F7/00
CPCC02F1/001C02F1/04C02F1/441C02F1/442C02F1/444C02F9/00C02F2201/002C02F2201/007C02F2301/08C05F5/00C05F7/00Y02A40/20Y02E50/30Y02W30/40
Inventor 潘亚罗荣晶黄源桃
Owner 南京钛时新能源有限公司
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