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Condensation heat recycle and supply system of power plant

A heating system, condensation heat technology, applied in heating systems, hot water central heating systems, household heating and other directions, can solve the problem of difficult recovery and utilization of condensation waste heat, and achieve the effect of high heat recovery and utilization rate

Inactive Publication Date: 2013-04-03
ZHEJIANG GONGSHANG UNIVERSITY
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Problems solved by technology

[0003] Aiming at the problem that the condensation waste heat in the prior art is difficult to recover and utilize, the present invention provides a heat supply system using heat pump technology to recover the condensation heat of the power plant

Method used

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  • Condensation heat recycle and supply system of power plant

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Embodiment Construction

[0016] Attached below figure 1 The present invention is described in further detail with specific embodiments:

[0017] A power plant condensation heat recovery heating system, such as figure 1 As shown, it includes a steam pipeline 1 , a cooling water circulation pipeline 2 , a steam-water heat exchange pipeline 3 , a spare cooling water circulation pipeline 4 and a heat supply pipeline 5 .

[0018] The steam in the steam pipeline 1 is sent to the steam turbine 11 to do work, and the exhaust steam discharged from the steam turbine 11 is sent to the condenser 12, and the exhaust steam passes through the condenser 12 to transfer heat energy to the cooling water in the circulating cooling water pipeline 2 Then condense into water and discharge.

[0019] The steam-water heat exchange pipeline 3 is provided with a steam-water heat exchanger 6 and connected with an absorption heat pump 7 . The steam turbine pumps air into the steam-water heat exchanger 6 to exchange heat for the...

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Abstract

The invention relates to a heat recycle system, and discloses a condensation heat recycle and supply system of a power plant. The system comprises a steam pipeline and a circulating cooling water pipeline. The system is characterized by comprising a water supply pipeline, wherein the heat supply pipeline is conveyed into a heat supply network through a steam-water heat exchanger after passing through an absorption type heat pump to form a loop. Condensation heat recycle is realized through the heat exchange manner of the absorption heat pump, condensation heat of the power plant and the waste heat in circulating cooling water are recovered, and an emergency heat supply system is arranged, so that heat supply network return water is directly heated through the steam-water heat exchanger in case of very cold climate. The system has the advantages of high heat energy recycling rate, energy conservation and emission reduction and the like.

Description

technical field [0001] The invention relates to a power plant waste heat recovery device, in particular to a power plant condensation heat recovery heating system. Background technique [0002] The condensation heat of thermal power plants is discharged into the atmosphere through cooling towers or air-cooled islands, resulting in huge heat loss, which is the main reason for the low efficiency of energy use in thermal power plants. It not only causes a lot of waste of energy and water or electricity, but also seriously pollutes the atmosphere. . The evacuation of condensation heat in thermal power plants is a common problem in our country and even in the world. It is a waste and helpless. However, with the development of heat pump technology, especially the advent of large-scale high-temperature water source heat pumps, it will become possible to recover the condensed waste heat of generating units. Contents of the invention [0003] Aiming at the problem that condensati...

Claims

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Application Information

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IPC IPC(8): F24D3/18
CPCF01K9/003Y02E20/14
Inventor 李同强
Owner ZHEJIANG GONGSHANG UNIVERSITY
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