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Seawater desalting evaporator

An evaporator and end cap technology, which is applied in the field of seawater desalination evaporators, can solve the problems of high maintenance cost, cumbersome maintenance and long cycle, and achieve the effect of saving maintenance cost and convenient maintenance.

Inactive Publication Date: 2010-06-16
CHINA SHENHUA ENERGY CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even when the maintenance workload of the tube bundle is not large, lifting equipment is required, so the maintenance is cumbersome, the cycle is long, and the maintenance cost is high

Method used

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  • Seawater desalting evaporator
  • Seawater desalting evaporator
  • Seawater desalting evaporator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Such as figure 1 , 2 As shown, the seawater desalination evaporator according to one embodiment of the present invention includes: a cylinder body 1 , an end cover 2 and an inspection door 3 , and also includes a hinge between the end cover 2 and the inspection door 3 , such as a door shaft 4 .

[0017] Simplified 1 is the main part of the seawater desalination evaporator, which is usually cylindrical and used to accommodate internal heat exchange pipelines and other structures. Since the work of maintaining the pipeline is usually performed at the end of the cylinder body 1, an end cover 2 is provided at the end of the body 1.

[0018] The end cap 2 is arranged at the end of the cylinder body 1 . The end cap 2 can be made of metal, such as stainless steel. The end cap 2 is fixed on the cylinder body 1, for example, by welding. Preferably, there is a reinforcing structure (not shown) between the end cap 2 and the cylinder body 1 to increase the rigidity of the end c...

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PUM

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Abstract

The invention discloses a seawater desalting evaporator. The seawater desalting evaporator comprises a cylinder body, an end cover, a hinge and an inspection door, wherein the end cover is arranged on the end part of the cylinder body; and the end cover is provided with the inspection door hinged with the end cover through the hinge. By adopting the seawater desalting evaporator of the invention, the inspection is convenient, the maintenance and inspection can be finished only by opening the inspection door, and the whole end cover does not need to be detached and hoisted, so the deformation of a sealed surface is avoided, and the maintenance cost is saved.

Description

technical field [0001] The invention relates to seawater desalination equipment, in particular to a seawater desalination evaporator. Background technique [0002] In seawater desalination technology, evaporators are used to evaporate seawater. After the evaporator has been used for a period of time, some failures may occur, such as the failure of the heat exchange tube bundle, so the evaporator needs to be repaired and maintained. [0003] The low-temperature multi-effect seawater desalination evaporator adopts a horizontal arrangement. At the end of the evaporator, it includes a cylinder and a detachable head or flat cover, which is connected to the cylinder of the evaporator through a flange. Since seawater desalination evaporators are generally large in size, the weight of this type of head or flat cover is also very heavy. When the heat exchange tube bundle is overhauled, the end of the evaporator needs to be disassembled. Removal of the head or flat cover is designed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F103/08
CPCY02A20/124
Inventor 杨庆卫高峰张建丽张忠梅丁涛周洪光牛聚秦张奭
Owner CHINA SHENHUA ENERGY CO LTD