Steam-water heat exchange unit

A steam-water heat exchange and unit technology, which is applied to the types of heat exchangers, indirect heat exchangers, fixed plate conduit components, etc., can solve the problems of high overall cost, high temperature resistance of high temperature resistant rubber pads, and meet the temperature resistance requirements The effect of reducing and avoiding damage

Inactive Publication Date: 2019-04-05
XIAOGAN JIARUI APPLICATION TECHNOLOGY DEVELOPMENT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing plate heat exchanger, the plates are sealed by high temperature resistant rubber pads, but due to the high temperature, the temperature resistance of the high temperature resistant rubber pads is very high, resulting in high overall cost.

Method used

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  • Steam-water heat exchange unit
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Embodiment Construction

[0015] 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.

[0016] see Figure 1~2 , in the embodiment of the present invention, a steam-water heat exchange unit is mainly composed of a plate heat exchanger 1 and a desuperheater 6, and the upper position of the desuperheater 6 is provided with a desuperheater steam inlet pipe 7 and a hot water outlet Pipe 8, in which high-temperature steam is sent into the desuperheater 6 from the desuperheater steam inlet pipe 7, and the plate heat exchanger 1 is provided with the des...

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Abstract

The invention discloses a steam-water heat exchange unit. The heat exchange unit is mainly composed of a plate heat exchanger and a temperature reducer, wherein a temperature reducer steam inlet pipeand a hot water outlet pipe are arranged above the temperature reducer, and a temperature reducer water return port, a heat exchanger steam inlet, a condensate water outlet and a heat exchanger waterreturn port are formed in the plate heat exchanger. According to the heat exchange unit, low-temperature flowing-back water is subjected to primary heat exchange in the plate heat exchanger, then enters the temperature reducer for heat exchange, and finally is discharged from the hot water outlet pipe; and whole equipment is of a secondary heat exchange structure, high-temperature steam is firstlysubjected to heat exchange in the temperature reducer and at the moment, the temperature of the high-temperature steam is correspondingly reduced, then the high-temperature steam enters the plate heat exchanger for heat exchange, the temperature of the steam entering the plate heat exchanger for the moment is effectively reduced, so that the damage to a rubber mat is avoided, and the temperatureresistance requirement of the rubber mat is reduced.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a steam-water heat exchange unit. Background technique [0002] The plate heat exchanger is a high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat exchange is performed through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid, liquid-vapor heat exchange. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small footprint, wide application and long service life. In the case of the same pressure loss, its heat transfer coefficient is 3-5 times higher than that of the tube heat exchanger, and the floor area is one-third of that of the tube heat exchanger, and the heat recovery rate can be as high as 90%. [0003] In the existing plate heat exchanger, the plates are sealed by high temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D9/00F28D7/00
CPCF28D9/00F28D7/00
Inventor 周坤友
Owner XIAOGAN JIARUI APPLICATION TECHNOLOGY DEVELOPMENT CO LTD
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