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Cooling system and method for multi-pressure condenser

A technology for cooling systems and condensers, applied in heating systems, steam/steam condensers, applications, etc., to achieve the effects of reducing work loss, improving heat exchange efficiency, and improving cycle efficiency

Pending Publication Date: 2020-11-03
CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a cooling system and method for multi-pressure condensers to solve the problem of how multi-cylinder multi-exhaust steam turbines perform heating cycles

Method used

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  • Cooling system and method for multi-pressure condenser
  • Cooling system and method for multi-pressure condenser

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Embodiment 2

[0052] This embodiment is used for non-heating periods, such as figure 2 As shown, the difference from Embodiment 1 is that the heating assembly 3 is not provided, that is, the heating network heater 31, the water supply connecting pipeline 32, the heating network water supply pipeline 33, the heating network return water pipeline 34, the first water inlet pipeline 35 and the second The return water pipe 36 is only provided with the condensing steam assembly 1, that is, the circulating water inlet pipe 21, the circulating water return pipe 22, the first water inlet pipe 23 and the first return water pipe 24;

[0053] At the same time, the first water return pipe 24 connected to the A condenser and the first water inlet pipe 23 connected to the B condenser are connected through the second connecting pipe 25, and the A condenser connected to the B condenser is connected to The first water return pipeline 24 of the C condenser is connected with the first water inlet pipeline 23 ...

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Abstract

The invention relates to a cooling system and method for a multi-pressure condenser. The cooling system comprises a steam condensing assembly, a cooling assembly and a heating assembly. The steam condensing assembly comprises a multi-cylinder multi-exhaust-steam turbine unit, condensers and rotary blocking plates, the condensers are connected to all cylinders of the multi-cylinder multi-exhaust-steam turbine unit, and the adjacent condensers are connected through the rotary blocking plates; the cooling assembly comprises a circulating water inlet pipeline and a circulating water return pipeline, a first water inlet pipeline of each condenser is communicated with the circulating water inlet pipeline, each condenser is connected with a first water return pipeline, and the first water returnpipelines are connected with the circulating water return pipeline; and the heating assembly comprises a heat supply network heater, a water supply connecting pipeline, a heat supply network water supply pipeline and a heat supply network water return pipeline, the first water inlet pipelines are connected with second water inlet pipelines, the second water inlet pipelines are connected with the heat supply network water return pipeline, the first water return pipelines are connected with second water return pipelines, and the second water return pipelines communicate with the water supply connecting pipeline; and the heat supply network heater is connected between the water supply connecting pipeline and the heat supply network water supply pipeline.

Description

technical field [0001] The present application relates to the technical field of power plant energy saving, in particular to a cooling system and method for a multi-pressure condenser. Background technique [0002] High back pressure heating is a high-efficiency heating technology that has developed rapidly in recent years. A typical high back pressure heating scheme is: increase the exhaust back pressure of the steam turbine during the heating period, connect the outlet and inlet of the condenser circulating cooling water directly to the heating system, and use the circulating water of the heating network as the condenser circulating cooling water . The circulating water heating can adopt a series heating system. The circulating water of the heating network is firstly heated through the condenser to absorb the latent heat of the exhaust steam of the low-pressure cylinder, and then through the steam heater at the first heating station to complete the second heating to gene...

Claims

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Application Information

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IPC IPC(8): F01D13/02F01D15/08F01K9/00F01K17/02F01K21/00F24D11/00F24D19/10F28B9/08
CPCF01D13/02F01D15/08F01K9/00F01K17/025F01K21/00F24D11/002F24D19/1015F28B9/08
Inventor 胡芳芳颜晓辉
Owner CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD
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