Assembly method for square low-temperature multi-effect seawater desalination evaporator

An evaporator and square technology, which is applied in the field of pairing of square low-temperature multi-effect seawater desalination evaporators, can solve problems such as the lack of a method for the flatness of the square evaporator group pairing tools.

Active Publication Date: 2019-10-11
中国电建集团河北工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the pairing methods for seawater desalination evaporators are used to adjust the roundness of circular evaporators, and there is a lack of pairing tools and flatness methods for square evaporators.

Method used

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  • Assembly method for square low-temperature multi-effect seawater desalination evaporator
  • Assembly method for square low-temperature multi-effect seawater desalination evaporator
  • Assembly method for square low-temperature multi-effect seawater desalination evaporator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] Example 1 A low-temperature multi-effect seawater desalination evaporator group pair device

[0096] In this embodiment, the telescopic part is used to expand and contract along the axis of the adjustable support rod 2, so that the telescopic part and the fixed support rod 1 exert force on the evaporator to adjust the roundness of a circular evaporator or the flatness of a square evaporator. like figure 1 As shown, this embodiment includes a fixed support rod 1 , an adjustable support rod 2 and a telescopic portion arranged in sequence from left to right.

[0097] 1. Expansion part

[0098] The telescopic part is used to adjust the telescopic length of the low-temperature multi-effect seawater desalination evaporator group to the device. The telescopic part can be extended and retracted along the axis direction of the adjustable support rod 2 . The telescopic part can adopt air cylinder, electric cylinder and hydraulic cylinder. In this embodiment, a jack 3 is used ...

Embodiment 2

[0105] Example 2 A method of pairing a square low-temperature multi-effect seawater desalination evaporator

[0106] This embodiment uses the low-temperature multi-effect seawater desalination evaporator pairing device in Example 1 to adjust the flatness of the first square evaporator, so that the first square evaporator meets the welding requirements of the second square evaporator. . The first square evaporator and the second square evaporator are both composed of a top plate, a right side plate, a bottom plate and a left side plate connected end to end, wherein the top plate and the bottom plate are arranged in parallel, the left plate and the right plate are arranged in parallel, and the left The plate is perpendicular to the top plate.

[0107] The pairing method of the described square low-temperature multi-effect seawater desalination evaporator comprises the following steps:

[0108] Step 0: Mark the Square Vaporizer (can be used as a prep)

[0109] Step (1): A poin...

Embodiment 3

[0144] Example 3 A pairing method of square low-temperature multi-effect seawater desalination evaporators

[0145] In this embodiment, on the basis of Embodiment 2, n=14, m=16. The pairing method of described square low-temperature multi-effect seawater desalination evaporator comprises the following steps:

[0146] Step 0: Mark the square vaporizer (can be used as a prep)

[0147] Step (1): Reference Figure 13 As shown, the base plate of the first square evaporator is evenly marked with point A 0 、A 1 、A 2 、A 3 、A 4 ,...,A 13 、A 14 , and point A 1 with point A 2 About point A 0 Symmetry, point A 3 with point A 4 About point A 0 Symmetry, ..., point A 13 with point A 14 About point A 0 Symmetrical; therefore point A 1 、A 3 、A 5 、A 7 、A 9 、A 11 、A 13 Place equidistantly at point A 0 to the right, point A 2 、A 3 、A 6 、A 7 、A 10 、A 12 、A 14 Place equidistantly at point A 0 left side. Point B on the top plate of the first square evaporator 0 , ...

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Abstract

The invention discloses an assembly method for a square low-temperature multi-effect seawater desalination evaporator. An assembly device for the low-temperature multi-effect seawater desalination evaporator is used for adjusting the flatness of a first square evaporator. The method includes the following steps that 1, a bottom plate of the first square evaporator and a bottom plate of a second square evaporator are welded to be assembled; 2, a left side plate of the first square evaporator and a left side plate of the second square evaporator are welded to be connected, and a right side plateof the first square evaporator and a right side plate of the second square evaporator are welded to be connected; 3, a top plate of the first square evaporator and a top plate of the second square evaporator are welded to be connected. According to the method, welding stress is dispersed on the square evaporators, welding stress concentration is avoided, and welding quality is ensured. The methodis suitable for the assembly welding of square evaporators.

Description

technical field [0001] The invention belongs to the technical field of equipment assembly, and relates to the pairing installation of seawater desalination multi-effect evaporators, in particular to a method for pairing square low-temperature multi-effect seawater desalination evaporators. Background technique [0002] Water is the source of life and the artery of social and economic development. While 70% of the Earth is covered by water, freshwater, which people depend on for survival, only accounts for 2.5% to 3% of the total. Since 70% of human beings live less than 120 kilometers away from the sea, the vast sea is used as a source of fresh water, and desalination of seawater is a powerful supplement to the existing water source, which can meet people's domestic water needs under certain conditions. The current seawater desalination distillation methods mainly include low temperature multi-effect distillation and multi-stage flash distillation. The low-temperature mult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F103/08
CPCC02F1/04C02F1/043C02F2103/08C02F2301/08C02F2303/14Y02A20/124
Inventor 陈志华何朋臣陈硕日武晓明
Owner 中国电建集团河北工程有限公司
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