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Combined heating system of coal-fired thermal power plant based on steam turbine and electric boiler

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, too complicated, energy waste, etc., and achieve the goal of improving the heating effect Effect

Active Publication Date: 2021-08-20
BEIJING JINMAO GREEN BUILDING TECH CO LTD
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  • 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 heating system of coal-fired thermal power plant based on steam turbine and electric boiler

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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 a steam turbine and an electric boiler, including an electric boiler, a steam turbine unit, the steam turbine unit receives high-temperature gas and converts heat energy into mechanical energy; and the steam turbine unit connected Generator set, the water outlet of the electric boiler is connected with the first hot water pipe and the second hot water pipe; the first hot water pipe is connected with the shell side of the heat exchanger to heat the air and generate high-temperature gas; the second Two hot water pipes transport the hot water in the electric boiler to the user end; the first hot water pipe and the second hot water pipe are connected in parallel. The heat supply system of the present invention combines electric boilers and multiple sets of steam turbines to realize joint heat supply, and at the same time, the heat energy can be fully utilized only by arranging the relevant pipelines in parallel and in series; When the heating requirement is high, switch to the second hot water pipe for heating to improve the heating effect.

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 Patents(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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