Biogas refers to the process of using organic waste such as livestock and poultry manure, crop stalks, and kitchen waste in a closed biogas tank under anaerobic conditions, which is decomposed and transformed by a variety of biogas fermentation microorganisms and finally produces biogas. It is a kind of efficient, clean fuel, is a kind of flammable gas produced by various organic substances under the appropriate temperature and humidity, through the fermentation of microorganisms.
Total Mixing Anaerobic Fermentation Technology (CSTR)
China Sea Environment for organic waste treatment from the source reduction, energy treatment, fertilizer treatment, planting and cultivation of four aspects of treatment. And for biogas engineering projects to provide solution consulting, engineering design, R & D production, construction and installation, engineering commissioning and other integrated services, tailored for each project exclusive solutions, to create high-quality projects!
After years of experience accumulation, Zhonghai Environment has achieved fruitful research and development results in biogas engineering technology and equipment intelligent manufacturing, and has successfully created high-quality biogas projects for many domestic customers. Through innovative processes, the company converts organic waste such as animal manure, crop straw, and kitchen waste into efficient, clean and convenient biomass energy -- biogas. The biogas generated is used for biogas power generation, combustion and heating, or purified for urban gas pipe network and compressed vehicle natural gas, which can alleviate the tension of conventional energy and promote the synergistic effect of pollution reduction and carbon reduction. We will promote green, low-carbon and high-quality development and help achieve the goal of "double carbon".
Process introduction
Process introduction
CSTR (Fully Mixed anaerobic reactor) is the core process in the anaerobic process section of biogas engineering. It is an anaerobic treatment technology in which fermentation raw materials and microorganisms are mixed to ferment and produce biogas in a closed tank. CSTR reactor with mechanical stirring device, through constant temperature continuous or semi-continuous feeding, so that high suspended matter high concentration of organic waste and anaerobic microorganisms with relatively complete mixed fermentation state, can effectively degrade organic matter in organic waste.
CSTR reactor is installed in the conventional digester stirring device, so that the raw materials in a completely mixed state, so that the active area throughout the digestive area, the efficiency is significantly improved compared with the conventional digester, so it is also known as the high efficiency digester. The digester usually uses constant temperature continuous feeding or semi-continuous feeding operation, which is suitable for the treatment of organic waste raw materials with high solid content.
Scope of application
At present, CSTR reactor is mainly applied to organic waste with high solid content such as animal manure, crop straw, food and kitchen waste.
Technological advantage
① raw materials with high suspended matter content can be entered; The material in the digester is evenly distributed, avoiding the stratification state and increasing the chance of contact between the substrate and microorganisms.
② CSTR reactor has a completely mixed flow state, sufficient contact between raw material and substrate, high fermentation rate and high volume gas production rate.
③ The temperature distribution in the CSTR reactor is uniform.
④ Due to the forced mechanical stirring, in the high concentration state can effectively control the precipitation of raw materials, stratification and surface scum crust, gas leakage and short flow and other problems.
Project case
Combined with the characteristics of livestock and poultry manure, crop straw, kitchen waste and other wastes in different projects, Zhonghai Environment has formulated practical and feasible technological processes from the actual situation to provide reliable technical and equipment support for the project. Through the professional biogas engineering program, it can not only improve the efficiency of waste treatment, but also effectively use resources, improve the utilization rate of resource value, reduce environmental pollution, inject impetus into the sustainable development of the city, and promote the high-quality development of the "double carbon" industry.
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