Matching device and method for heating parameters of thermal power generating unit

A technology for matching devices and thermal power units, applied in steam engine devices, steam generating devices, preheating, etc., can solve problems such as rising coal consumption for power supply, reduce heat consumption, improve boiler combustion, and reduce operating and equipment maintenance costs. Effect

Inactive Publication Date: 2016-12-07
上海量朝能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As we all know, the heating steam is heated by the boiler, and then cooled by the cooling water to supply heat to the outside. Compare...

Method used

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  • Matching device and method for heating parameters of thermal power generating unit
  • Matching device and method for heating parameters of thermal power generating unit
  • Matching device and method for heating parameters of thermal power generating unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 4 and Figure 5 As shown, it is one of the implementations of the above-mentioned various technical solutions. The thermal power unit includes a boiler 1, a boiler superheater 2, a boiler reheater 3, a main steam pipeline 4, a steam turbine high-pressure cylinder 5, a cold reheat Steam pipeline, hot reheat steam pipeline, steam turbine medium pressure cylinder 51, steam turbine low pressure cylinder 52, generator 6, the steam output end of the boiler superheater 2 is connected to the steam turbine high pressure cylinder 5 through the main steam pipeline 4, and the steam turbine high pressure cylinder 5 passes through The cold re-steam pipeline is connected to the boiler reheater 3 in the boiler 1, and the boiler reheater 3 is connected to the steam turbine medium-pressure cylinder 51 and the steam turbine low-pressure cylinder 52 through the hot reheat steam pipeline. The pressure cylinder 51 and the steam turbine low-pressure cylinder 52 are connected ...

Embodiment 2

[0045] Such as Figure 4 and Image 6 As shown, it is one of the implementations of the above-mentioned various technical solutions. The thermal power unit includes a boiler 1, a boiler superheater 2, a boiler reheater 3, a main steam pipeline 4, a steam turbine high-pressure cylinder 5, a cold reheat Steam pipeline, hot reheat steam pipeline, steam turbine medium pressure cylinder 51, steam turbine low pressure cylinder 52, generator 6, the steam output end of the boiler superheater 2 is connected to the steam turbine high pressure cylinder 5 through the main steam pipeline 4, and the steam turbine high pressure cylinder 5 passes through The cold re-steam pipeline is connected to the boiler reheater 3 in the boiler 1, and the boiler reheater 3 is connected to the steam turbine medium-pressure cylinder 51 and the steam turbine low-pressure cylinder 52 through the hot reheat steam pipeline. The pressure cylinder 51 and the steam turbine low-pressure cylinder 52 are connected t...

Embodiment 3

[0047] Such as Figure 4 and Figure 7 As shown, it is one of the implementations of the above-mentioned various technical solutions. The thermal power unit includes a boiler 1, a boiler superheater 2, a boiler reheater 3, a main steam pipeline 4, a steam turbine high-pressure cylinder 5, a cold reheat Steam pipeline, hot reheat steam pipeline, steam turbine medium pressure cylinder 51, steam turbine low pressure cylinder 52, generator 6, the steam output end of the boiler superheater 2 is connected to the steam turbine high pressure cylinder 5 through the main steam pipeline 4, and the steam turbine high pressure cylinder 5 passes through The cold re-steam pipeline is connected to the boiler reheater 3 in the boiler 1, and the boiler reheater 3 is connected to the steam turbine medium-pressure cylinder 51 and the steam turbine low-pressure cylinder 52 through the hot reheat steam pipeline. The pressure cylinder 51 and the steam turbine low-pressure cylinder 52 are connected ...

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PUM

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Abstract

The invention discloses a matching device for heating parameters of a thermal power generating unit. A steam pipeline for conveying superheated steam is arranged in the thermal power generating unit; the steam pipeline is connected to a heating user port through a branch pipeline; a matching device for the heating parameters is further arranged on the branch pipeline; the matching device comprises a pressure reducing valve and a heat exchanger which are in tandem connection on the branch pipeline; the heat exchanger is arranged in a to-be-heated area of the thermal power generating unit for returning excessive heating heat to a boiler thermodynamic system; and the to-be-heated area comprises an air flue, a gas flue, a water feeding pipeline and a steam pipeline in the thermal power generating unit. The invention further discloses a matching method for the heating parameters of the thermal power generating unit. The matching device and the matching method has the advantages of improving thermal cycle efficiency, reducing energy consumption and reducing production cost.

Description

technical field [0001] The patent of the invention belongs to the field of power plants, and specifically relates to a matching device and method for heat supply parameters of a thermal power unit. Background technique [0002] Due to the development of the national economy, the demand for heat in regions or cities continues to increase, and the original use of small-scale heating by industrial boilers can no longer meet the development needs. In addition, the scattered operation of heating boilers pollutes the environment very seriously. Therefore, the state issued a policy to shut down sporadic heating and realize large-scale cogeneration of heat and power. [0003] In the regional development plan, in addition to newly built thermal power units, a large part relies on the pure condensing thermal power units built in the region to build urban or regional heating pipe network systems to achieve nearby or long-distance heating. However, these pure condensing thermal power u...

Claims

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Application Information

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IPC IPC(8): F01K11/02F01K7/22F01K17/02F22B33/18F22D11/06
CPCY02E20/14F01K11/02F01K7/22F01K17/025F22B33/18F22D11/06
Inventor 蒋成富
Owner 上海量朝能源科技有限公司
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