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Condensate system with small water flow seal heater

A technology of condensate water system and heater, applied in lighting and heating equipment, preheating, supplementary water supply, etc., can solve the problems of fine treatment equipment and pipeline leakage, affecting the safe operation of the unit, etc., achieve long service life, reduce cost, Withstands the effect of low water pressure

Active Publication Date: 2016-06-29
CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the overpressure of the condensate system causes leakage of the finishing equipment and pipelines, which affects the safe operation of the unit

Method used

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  • Condensate system with small water flow seal heater
  • Condensate system with small water flow seal heater
  • Condensate system with small water flow seal heater

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention, but only as examples, and the advantages of the present invention will become clearer and easier to understand.

[0024] as attached figure 1As shown, the condensate system with small water flow seal heater is used for the condensate system of the turbogenerator unit, including the condenser 1; The input end is connected; the first output end of the deaerator water level regulating valve 5 is connected with the input end of the condensate polishing device 3; the second output end of the deaerator water level regulating valve 5 passes through the condensate recirculation regulating valve 6 Connect with the recirculation interface of condenser 1;

[0025] The first output end of the condensate polishing device 3 is connected to the input end of the third low pressure h...

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Abstract

The invention discloses a novel condensate system provided with a weak water flow steam seal heater. The novel condensate system comprises a condenser. The condenser is connected with the input end of a deaerator water level control valve through a condensate pump. The first output end of the deaerator water level control valve is connected with the input end of a condensate polishing device. The second output end of the deaerator water level control valve is connected with a recycling port of the condenser through a condensate recycling control valve. The first output end of the condensate polishing device is connected with the input end of a third low pressure heater through a first low pressure heater and a second low pressure heater. The second output end of the condensate polishing device is connected with the input end of the third low pressure heater through a steam seal heater cooling water control valve and the steam seal heater. The novel condensate system can solve the problems of large vibration of the condensate recycling control valve and a pipeline thereof, large vibration of the deaerator water level control valve and a condensate pipeline, large noise of the condensate system and the like, unit thermal losses can be lowered, and the lift of the condensate pump is decreased by 5m H2O at least.

Description

technical field [0001] The invention relates to a steam-water system of a condensed water system of a steam turbine generator set, more specifically, it is a condensed water system equipped with a small water flow seal heater. Background technique [0002] The condensate system of the turbogenerator has the following problems: [0003] Vibration of condensate recirculation pipes: In thermal power plants, regardless of unit capacity and parameters, vibration of condensate recirculation pipes is a common phenomenon. Condensate water recirculation flow is the greater of the allowable minimum water flow between the condensate pump and the seal heater. Its purpose is to ensure that the amount of condensed water passing through the condensate pump is not less than the minimum water flow allowed during the start-stop process and low-load operation of the unit, so as to prevent the condensate pump from overheating and cavitation; to ensure that the amount of condensed water passing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22D11/00
Inventor 许玉新徐传海阮刚田庆峰周琼刘翀郑亮陈露
Owner CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP
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