Heat supply system

A heating system and heat technology, applied in heating system, hot water central heating system, household heating, etc., to solve the influence of electric load on heating load and realize the effect of thermo-electrolysis coupling

Pending Publication Date: 2017-08-25
YANTAI LONGYUAN POWER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention discloses a heating system to solve the influence of the thermal power unit's electrical load on the heating load during the heating season, and realize thermoelectric decoupling

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] At present, the working process of thermal power units is as follows: send fuel into the boiler for combustion, use the heat generated by fuel combustion to convert liquid water into water vapor, and then send water vapor with certain parameters into the steam turbine to drive the impeller of the steam turbine to rotate , convert thermal energy into mechanical energy for power generation, and the water vapor that does work is then heated by steam turbine...

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Abstract

The invention discloses a heat supply system which comprises a condenser, a first circulating water pump, a second circulating water pump and an electric heat pump system. Condensate water heated by the condenser to first temperature serves as heat source water of the electric heat pump system and is output into evaporators of electric heat pumps of the electric heat pump system through the first circulating water pump; the heat source water of the first temperature of the evaporators is reduced to heat source water of second temperature to extract heat, and the heat extracted from the evaporators is transmitted to heating return water through condensators of the electric heat pumps, and the temperature of the heating return water is increased to fourth temperature from third temperature; and the heating return water of the fourth temperature is output to a heating water supply end by the electric heat pump system to be used for heat supply. Compared with the tradition, according to the heat supply system, the electric heat pumps are adopted as equipment for increasing the heat grade, heat in the condenser is input into the electric heat pumps, high-grade heat is obtained through conversion and used for heat supply, and therefore the influence of electric loads of a thermal power generating unit on heat supply loads in the heat supply season is solved, and thermoelectric decoupling is achieved.

Description

technical field [0001] The invention relates to the technical field of heat supply for thermal power plants, and more specifically, relates to a heat supply system. Background technique [0002] With the development of new energy power generation technology, the peak shaving requirements for thermal power units are getting higher and higher, and the overall load rate requirements are getting lower and lower. Based on this situation, it is necessary to carry out thermoelectric decoupling technology transformation for thermal power units. The so-called thermoelectric decoupling means that the heating load is no longer affected by the electric load. When the electric load is peak-shaving, the heating load can still meet the heating demand. Thermoelectric Separation". [0003] At present, the main thermoelectric decoupling schemes include: thermal storage tank, cutting off low-pressure cylinder heating, etc. Among them, the thermal storage tank thermoelectric decoupling technol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D3/10F24D3/18
CPCF24D3/10F24D3/18
Inventor 甄晓伟杨天亮杜永彬付玉玲李斌贾明华
Owner YANTAI LONGYUAN POWER TECH
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