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Hybrid electricity generation system

A technology for power generation systems and generators, applied in steam generation, steam generation devices, machines/engines, etc., can solve the problems of low power generation efficiency in power generation systems, improve work capacity, increase power generation efficiency, and reduce exergy losses Effect

Active Publication Date: 2016-04-20
TOP RESOURCE CONSERVATION & ENVIRONMENT CORP
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Problems solved by technology

[0004] The purpose of the present invention is to provide a composite power generation system, which solves the problems of high quality and low utilization of biomass energy and low power generation efficiency of the power generation system in the prior art

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Embodiment Construction

[0025] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0026] Aiming at the problems of high quality and low utilization of biomass energy in the prior art and low power generation efficiency of the power generation system, the present invention provides a composite power generation system, which combines industrial waste heat with biomass through a waste heat boiler and a biomass boiler, and converts low temperature Industrial waste heat is mainly used for heating and evaporation of waste heat boiler feed water and biomass boiler feed water, and high-temperature biomass flue gas is used for superheating saturated steam to achieve temperature matching and cascade utilization; the embodiment of the present invention does not increase investment. It improves the working ability of industrial waste heat, reduces...

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Abstract

The invention provides a hybrid electricity generation system. The hybrid electricity generation system comprises a steam turbine, an electricity generator, a condenser, a waste heat boiler and a biomass boiler, wherein the electricity generator is connected to the steam turbine and is used for converting the mechanical work into the electric energy, the condenser is connected to the steam turbine and is used for condensing waste steam exhausted by the steam turbine for forming condensation water, and the waste heat boiler and the biomass boiler are connected to the condenser; the waste heat boiler heats and evaporates the condensation water flowing into the waste heat boiler for obtaining a first branch of saturated steam; the biomass boiler heats and evaporates the condensation water flowing into the biomass boiler for obtaining a second branch of saturated steam; the waste heat boiler conveys the first branch of saturated steam to the biomass boiler, and the biomass boiler carries out superheating treatment on the first branch of saturated steam and the second branch of saturated steam through high-temperature biomass smoke for obtaining superheated steam and conveying the superheated steam to the steam turbine. According to the invention, the power capability of industrial waste heat is improved, the exergy loss of the biomass energy is reduced, and the electricity generation efficiency of the whole electricity generation system is improved.

Description

technical field [0001] The invention relates to the technical field of thermal power generation, in particular to a composite power generation system. Background technique [0002] Energy cascade utilization is a way of rational utilization of energy. Since it is impossible to convert all heat energy into mechanical work, its grade is lower compared with mechanical energy and electrical energy. The conversion efficiency of heat work is related to the temperature. The work ability of high-temperature heat energy is higher than that of low-temperature heat energy, and the grade of high-temperature heat energy is higher than that of low-temperature heat energy. [0003] The temperature of general industrial waste heat is mostly concentrated at about 500°C, limited by its temperature, its thermal power conversion and power generation efficiency are only about 20%. The power generation efficiency of conventional biomass power plants is about 28%. The temperature after biomass c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B33/18F01D15/10
CPCF01D15/10F22B33/18
Inventor 王永堂史庆玺徐以恬
Owner TOP RESOURCE CONSERVATION & ENVIRONMENT CORP
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