Biomass boiler suitable for rural cleaning and heating

2019-11-05

Since last year, Beijing-Tianjin-Hebei and surrounding areas have strongly promoted the conversion of coal to gas and coal to electricity. Some of the conditions are suitable for regional effects, but they have also exposed some problems and encountered some difficulties, especially in rural areas, except for objective factors. In addition, economics is an insurmountable obstacle. At present, the northern parts of the country are entering the heating period one after another. How to promote this year, can not only solve the difficulties of the government, but also solve the urgent needs of the people? In light of the current new situation, based on the status quo of rural development and energy accessibility, everyone has high hopes for the development of biomass clean and warm, biomass energy should play a greater role in rural clean heating.

Biomass energy should play a greater role in rural clean heating

Clean and heating is a hot spot, and it is difficult to clean and warm in rural areas. For rural clean heating, Ni Weidou, an academician of the Chinese Academy of Engineering and a professor at Tsinghua University, put forward the “six suitable” principle, put the right energy in the right place, and properly cooperate with other energy sources in the right era, the right system, and finally play The appropriate role, in the vast rural areas to adapt to the development of biomass in accordance with local conditions, in line with the “six suitable” principle. In addition, Academician Ni said that it is necessary to comprehensively consider the promotion and utilization of biomass energy in the rural revitalization strategy, the modernization of rural areas, and even the system of socialist modernization in China.

For the promotion and utilization of biomass cleaning and heating in rural areas, Wu Hao, deputy director of the China Energy Research Association and former deputy director of the National Energy Administration, said that the current use of fertilizer, raw materials, feed, and base materials is not enough to digest large amounts of biomass. Resources and energy use should be used as a way to use biomass energy. When there was a gas shortage in the heating season in 2017, it was suggested that “it is coal for coal, oil for oil, heat for heat”, but it is difficult to understand if oil is used for heating. Looking at it now, it should have been screaming. It has always been said that “Yi Chai is Chai”, and the rural clean and warming should be loud and “Yi Chai is Chai”.

Economics is the primary factor affecting rural clean heating. Based on the current economic capacity of rural areas, housing structure, technical feasibility, and heating effects, “fuel fitting stoves” are the most economical and effective measures to achieve rural clean heating. As a kind of important technical path, biomass-specific stoves are suitable for forming fuels. Economic benefits, environmental benefits and social benefits are significant. They should play a greater role in rural clean heating.

Biomass energy should enjoy and change gas, change electricity

At present, in the process of promoting clean and warming, the local government’s subsidy for coal to electricity and coal to gas is higher than that of biomass stoves, and the industry is puzzled. Zhou Yong, deputy director of the Institute of Science and Technology Development Strategy of Shandong Academy of Sciences, believes that the subsidy period for promoting coal-to-electricity and coal-to-gas conversion in many places is three years, but there has been a financial strain after one year. If the government does not have so many long-term subsidies, it is time to make a realistic decision and choose a more appropriate technology path. Compared with coal-to-electricity and coal-to-gas, biomass is a heating method that is more economical and socially beneficial. Therefore, biomass heating should enjoy the same subsidy policy as changing electricity and changing gas, and even subsidies should be higher than electricity and gas. In this way, we will promote technological innovation in the industry and gradually form a market-oriented mechanism.

System view of biomass stove emissions

Some industry experts have raised questions about the NOx emission standards for biomass stoves. Li Dingkai, a professor at Tsinghua University, bluntly stated that it is unreasonable to require biomass stove emission standards to be in line with natural gas, and it is the second “gun” biomass fuel that has changed direction. For the discharge of biomass stoves, it should be viewed from a system perspective. Based on China’s energy base and rural energy use, promoting the use of biomass energy is of great significance for alleviating energy shortages, replacing rural loose coal combustion, reducing straw burning, comprehensive utilization of agricultural and forestry waste, and rural environmental governance. In addition, in the context of global warming, the carbon emission advantages of biomass stoves should be fully considered.

Zhou Yong, deputy director of the Institute of Science and Technology Development Strategy of Shandong Academy of Sciences, said that the relevant departments cannot use ultra-low emission standard card biomass, and industry associations should revise from the perspective of healthy development of the industry. Standards, strive to be recognized by the environmental protection department. If biomass heating is not allowed, a large number of straws in rural areas cannot find a way out. It is necessary to realize that the biomass heating of the biomass stoves is reduced compared with the burning of coal and straw burning in situ. This progress should be supported. Not containment.

Actively explore new mechanisms for biomass energy development

Although the development of biomass energy welcomes opportunities and has great potential, it still needs to solve some difficulties in realizing the promotion. Xing Lili, chairman of Beijing Laowan Clean Heating Equipment Co., Ltd. said that the current promotion and utilization of biomass energy is mainly led by the government. It has not yet formed a mature market mechanism and operation mode. It is necessary to gradually explore the establishment of a market-oriented operation mode with the help of the government.

Tsinghua University’s doctor, Shan Ming, said that biomass clean heating is a more economical solution than “coal to electricity” and “coal to gas”. Promoting the use of biomass energy must continuously innovate business models in fuel plant construction, equipment application and operation. Innovation and exploration of models in monitoring, operational assurance, and corporate profitability.

Dou Kejun, a researcher at the National Renewable Energy Center, suggested that the development and utilization of biomass energy should strengthen the priority selection and utilization, build a biomass solid fuel trading market, explore investment and financing construction cooperation mode, establish a monitoring and management platform for biomass energy industry, and accelerate the heating and heating price mechanism. reform.

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