Photovoltaic photo-thermal integrated and biomass combined heat supply system and control method
A heat supply system and biomass technology, applied in the field of photovoltaic photothermal integration and biomass combined heat supply system and control, can solve the problems of low guarantee rate and stability, to make up for insufficient heat supply, ensure stable operation, The effect of saving operating costs
Inactive Publication Date: 2022-06-03
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology
[0004] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a combined photovoltaic, photothermal and biomass combined heating system and control method, which utilizes the thermal energy and electric energy generated by the photovoltaic, photothermal integrated components to provide buildings with While heating, it also provides the required electric energy to the biomass fuel production process. The combination of photovoltaic photothermal integrated system and biomass energy heating system makes up for the shortcomings of the solar heating system, such as low guarantee rate and poor stability. At the same time, the heating system The excess power generated can also bring certain benefits to rural areas
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[0048] The present invention will be described in further detail below in conjunction with the examples.
[0049] like figure 1 As shown, the biomass particle production process of the present invention is as follows:
[0050] Biomass fuel is mainly composed of "three leftovers" such as straw, straw, rice husk, peanut husk, and corncob. The biomass raw material 2 dried by the biomass dryer is transformed into biomass debris 3 by the biomass pulverizer, and then formed into 6-10 mm biomass pellets 4 by the pellet molding machine, and the biomass pellets 4 are stored for heating by the biomass boiler Used when the system starts;
[0051] The high temperature flue gas 17 produced by the biomass boiler is passed into the biomass dryer, and the heating area of the biomass dryer and the size of the inlet and outlet are adjusted to control the flow rate of the flue gas, so that the biomass raw material 1 is heated and dried in the biomass dryer. The moisture is reduced to about ...
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The invention discloses a photovoltaic and photo-thermal integrated and biomass combined heat supply system which comprises a photovoltaic and photo-thermal cogeneration system and a biomass boiler heat supply system. The photovoltaic and photo-thermal cogeneration system comprises a photovoltaic power generation subsystem and a photo-thermal heat supply subsystem, the photovoltaic power generation subsystem comprises a photovoltaic and photo-thermal integrated assembly and an electric control unit, and the photo-thermal heat supply subsystem comprises a heat collection loop, a heat exchange loop and a heating loop. The biological boiler heat supply system comprises a biomass particle production line and a boiler heating loop. Heat energy and electric energy generated by the photovoltaic and photo-thermal integrated assembly are used for supplying heat to a building and providing required electric energy for the biomass fuel production process at the same time, the combination of the photovoltaic and photo-thermal integrated system and the biomass energy heat supply system makes up the defects that a solar heat supply system is low in assurance rate, poor in stability and the like, and meanwhile, the energy conservation and emission reduction effects are achieved. Excess electric energy generated by the heat supply system can bring certain benefits to villages and towns.
Description
technical field [0001] The invention relates to the technical field of solar energy heating, in particular to a photovoltaic photothermal integrated and biomass combined heating system and a control method. Background technique [0002] Solar energy is one of the clean and renewable energy sources. As a representative of new energy, solar energy has been attracting attention in the field of building heating. In particular, it has the advantages of being clean, environmentally friendly and inexhaustible, making it widely used and developed in various industries. . However, solar radiation has the characteristics of periodic fluctuation and strong randomness, which leads to many problems such as low guarantee rate and poor stability of solar heating system. Therefore, it needs to be used in combination with other clean heat sources. [0003] As the fourth largest energy source after coal, oil and natural gas, biomass energy is widely distributed and easy to collect in various...
Claims
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IPC IPC(8): F24D12/02F24D18/00F24D3/00F24D3/10F24D19/10H02J7/35F23K1/00F24D101/50
CPCF24D12/02F24D3/005F24D3/10F24D19/1042H02J7/35F23K1/00F24D2200/14F24D2200/02F24D2220/08F24D2200/06Y02E10/56
Inventor 刘艳峰段琼陈耀文王登甲庄照犇全梦晨
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY