Biogas slurry highly-concentrating system
A concentration system and high-power technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as environmental pollution from breeding manure
Pending Publication Date: 2019-06-21
北京天极视讯科技发展有限公司
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Problems solved by technology
[0002] In recent years, the country has vigorously promoted large and medium-sized biogas projects to solve the environmental pollution problem of aquaculture manure. After anaerobic treatment, aquaculture manure will produce biogas, which has achieved resource utilization, but at the same time produces a large amount of biogas slurry
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[0031] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0032] Such as figure 1 with figure 2 As shown, a biogas slurry high-power concentration system of this embodiment includes a filter device, a membrane concentration device 5 and a low-temperature vacuum evaporation device 8, and the filter device is connected to the membrane concentration device 5 through a pipeline and the filtered The filtrate is delivered to the membrane concentrating device 5, the membrane concentrating device 5 is connected to the low-temperature vacuum evaporator 8 through a pipeline, and the concentrated liquid after concentration is delivered to the low-temperature vacuum evaporator 8 for low-temperature vacuum evaporation.
[0033] With this system, more than 95% of the water in the...
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The invention relates to a biogas slurry highly-concentrating system which comprises a filtering device, a membrane concentrating device and a low-temperature vacuum evaporation device, wherein the filtering device is connected with the membrane concentrating device through a pipeline and conveys a filtered filtrate to the membrane concentrating device; the membrane concentrating device is connected with the low-temperature vacuum evaporation device by a pipeline and conveys a concentrated concentrate to the low-temperature vacuum evaporation device for low-temperature vacuum evaporation. According to the biogas slurry highly-concentrating system, biogas slurry is treated by adopting the combination of filtration, membrane concentration and low-temperature vacuum evaporation, so that chemical reactions of some substances in the biogas slurry are avoided, and a large amount of substances beneficial to the growth of crops contained in the biogas slurry, such as nitrogen, phosphorus, potassium, sulfur, calcium, zinc and various humic acids and amino acids are retained.
Description
technical field [0001] The invention relates to the related technical field of biogas slurry treatment, in particular to a biogas slurry high concentration system. Background technique [0002] In recent years, the country has vigorously promoted large and medium-sized biogas projects to solve the environmental pollution problem of aquaculture manure. After anaerobic treatment, aquaculture manure will produce biogas, which has achieved resource utilization, but at the same time produces a large amount of biogas slurry. Due to the intensification of modern farming, the biogas slurry is relatively concentrated, and the distance from the fertilized farmland is relatively long, and the transportation cost of the biogas slurry is high. Effective reduction treatment of the biogas slurry is urgently needed. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a biogas slurry high-power concentration system for the deficienci...
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IPC IPC(8): C02F9/10C02F9/14
Inventor 刘波王伟
Owner 北京天极视讯科技发展有限公司