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Flash evaporator

A flash evaporator and flash tube technology, applied in the direction of flash evaporation, can solve the problem of unsatisfactory solution concentration and achieve the effect of increasing the concentration

Inactive Publication Date: 2012-07-04
苏州市中衡压力容器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The concentration of the solution after being flashed by the above-mentioned flash evaporator is not very ideal

Method used

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  • Flash evaporator
  • Flash evaporator

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Experimental program
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Effect test

Embodiment Construction

[0011] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0012] like figure 1 As shown, the flash evaporator of the present invention includes a cylinder 1, the top of the cylinder 1 is provided with a steam outlet 2, the bottom of the cylinder 1 is provided with a liquid inlet pipe 3, and the bottom side wall of the cylinder 1 is provided with a solution outlet 4. The lower part of the cylinder 1 is also provided with a trumpet-shaped flash pipe 5, and one end of the liquid inlet pipe 3 is located in the flash pipe 5, and the outer diameter of the liquid inlet pipe 3 is smaller than the inner diameter of the flash pipe 5. A solution channel 6 is formed between the tube 3 and the flash tube 5 . In order to ensure the liquid level of the solution and prevent the insufficiently flashed solution from being discharged from the solution outlet, an overflow weir 7 is provided at the solution outlet 4 . ...

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Abstract

The invention discloses a flash evaporator for obviously improving the concentration of solution. The flash evaporator comprises a barrel, the top of the barrel is provided with a steam outlet, the bottom of the barrel is provided with a liquid inlet pipe, the lower side wall of the barrel is provided with a solution outlet, the lower part of the barrel is also provided with a flash evaporation pipe, one end of the liquid inlet pipe is positioned in the flash evaporation pipe, and the outside diameter of the liquid inlet pipe is smaller than the inside diameter of the flash evaporation pipe. The flash evaporator has the advantage that: the solution after flash evaporation is mixed with the newly fed high-temperature solution together, and the mixed solution undergoes flash evaporation again so as to further improve the concentration of the solution.

Description

technical field [0001] The present invention relates to an evaporator, in particular to a flash evaporator. Background technique [0002] An evaporator is required when evaporating and purifying the solution, and the solution usually uses a flash evaporator during the entire evaporation process. The commonly used flash evaporator includes: a cylinder body, a steam outlet is arranged at the top of the cylinder body, a liquid inlet pipe is arranged at the bottom of the cylinder body, and a solution outlet is arranged on the lower side wall of the cylinder body. The working principle of the above-mentioned flash evaporator is: the high-temperature solution enters the cylinder through the liquid inlet pipe. After the high-temperature solution enters the cylinder, there will be a temperature difference and a pressure difference with the air in the cylinder, so that the high-temperature solution immediately boils and generates a large amount of steam. , the flashed steam rises an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/06
Inventor 葛向华
Owner 苏州市中衡压力容器制造有限公司