Combined heat supply system of coal-fired thermal power plant based on steam turbines and electric boilers

A combined heating and electric boiler technology, applied in heating systems, hot water central heating systems, household heating, etc., can solve the problems of affecting heating users, increasing heating costs, and high construction costs, so as to improve heating effect of effect

Active Publication Date: 2020-04-17
BEIJING JINMAO GREEN BUILDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] S1. The construction cost of the system is too high and too complicated, which increases the heating cost;
[0006] S2. The system will affect the heating of heating users, and part of the energy will be wasted

Method used

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  • Combined heat supply system of coal-fired thermal power plant based on steam turbines and electric boilers

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Embodiment Construction

[0045] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0046] see figure 1 shown;

[0047] The combined heat supply system of the coal-fired thermal power plant based on the steam turbine and the electric boiler disclosed in the embodiment of the present invention mainly includes:

[0048] The electric boiler 1, the electric boiler 1 has a water inlet and a water outlet, the electric boiler 1 enters cold water through the water inlet and heats it in the electric boiler 1 to obtain hot water, and the water outlet of the electric boiler 1 is used to output hot water;

[0049] A steam turbine unit, which receives high temperature gas and converts thermal energy into mechanical energy; and

[0050] The generator set connected with the steam turbine set, the mechanical energy converted by the steam turb...

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Abstract

The invention discloses a combined heat supply system of a coal-fired thermal power plant based on steam turbines and electric boilers. The combined heat supply system comprises the electric boilers,a steam turbine set and a generator set connected with the steam turbine set, wherein the steam turbine set receives high-temperature gas and converts heat energy into mechanical energy; water outletsof the electric boilers communicate with first hot water pipes and second hot water pipes; the first hot water pipes communicate with shell sides of heat exchangers to heat air and generate the high-temperature gas; the second hot water pipes deliver hot water in the electric boilers to user sides; and the first hot water pipes and the second hot water pipes are connected in parallel. According to the combined heat supply system, the electric boilers and the multiple sets of steam turbines are combined to achieve combined heat supply, and meanwhile, heat energy can be fully utilized only by arranging related pipelines in parallel and in series; and a main hot water pipe is reserved, when the requirement for heat supply is high, the second hot water pipes are used to supply heat, and the heat supply effect is improved.

Description

technical field [0001] The invention relates to the technical field of heating systems, in particular to a combined heating system of a coal-fired thermal power plant based on a steam turbine and an electric boiler. Background technique [0002] Heating is the main means for people to resist the severe cold. In the peak heating season, the coal-fired combined heat and power units of domestic coal-fired power plants achieve this purpose by increasing the power generation in order to have a sufficient amount of heat supply. The contradiction of power grid peak regulation. [0003] In the prior art, the authorized announcement number is CN209261636U, and the application number is 201822083559.1, which discloses a Chinese utility model patent named "Comprehensive system for steam turbine pumping molten salt heat storage and electric boiler joint peak regulation heat supply" which discloses a heating The system, which is connected to each other through the electric boiler, molte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/28F24D3/10F01D15/10F01K11/02F28D7/02
CPCF01D15/10F01K11/02F22B1/28F24D3/10F28D7/02
Inventor 刘泽涛张向荣王旭
Owner BEIJING JINMAO GREEN BUILDING TECH CO LTD
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