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Condensed steam source heat pump driving multiple-effect distillation solution crystallization purification process

A technology of multi-effect distillation and solution crystallization, which is used in multi-effect evaporation, evaporation, vertical tube evaporator, etc.

Inactive Publication Date: 2017-05-10
侴乔力 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] (3) The power consumption reaches 7~15kW*h / t, and the water production cost reaches ￥20~30 / t

Method used

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  • Condensed steam source heat pump driving multiple-effect distillation solution crystallization purification process

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Embodiment Construction

[0082] The embodiment of the condensate source heat pump driven multi-effect distillation solution crystallization purification process proposed by the present invention is attached figure 1As shown, the description is as follows: It is a siphon circulation countercurrent heat rising film evaporator 1 made of carbon steel with an evaporation return capacity of 4050kW, vertical arrangement, and a stainless steel tube with a diameter of 200mm / wall thickness 2.5mm / length 200mm. Condensation inlet 1 -1; Cylindrical separation chamber 1-2 with diameter 1200mm / height 800mm; ring distribution of vertical siphon heat pipe clusters 1-3 with outer diameter 1200mm / inner diameter 840mm / height 2000mm / pipe diameter 19mm; diameter 1200mm / height 300mm Cylindrical shunt cavity 1-4; stainless steel tube condensate outlet 1-5 with diameter 40mm / wall thickness 1.5mm / length 60mm; copper tube liquid heat pump inlet 1-6 with diameter 60mm / wall thickness 1.5mm / length 60mm ;Diameter 120mm / wall thickne...

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Abstract

The invention relates to a condensed steam source heat pump driving multiple-effect distillation solution crystallization purification process. A condensed steam source heat pump is used; the condensed steam latent heat of a tail-effect evaporator is recovered; the condensate water sensible heat, the oil cooling sensible heat, the sleeve cylinder sensible heat and the supercooling sensible heat are recovered in a step way; a condensed steam source heat pump and a water vapor compressor are used for jointly preparing heating water vapor, so that the independent driving multiple-effect distillation solution crystallization purification process is realized. High-temperature brine produced by multiple-effect distillation is subjected to solid-liquid separation by a spiral sedimentation centrifuge to generate crystal salt and brine; the produced crystal salt is conveyed to a collecting pool by a conveying belt for use; the generated brine and supplementing seawater are mixed; then, the mixture is conveyed back to the multiple-effect distillation process for cyclic treatment.

Description

[0001] (1) Technical field [0002] The invention relates to a solution crystallization and purification, seawater desalination and salt production, sewage treatment reuse and material resource recovery, that is, in the process of zero discharge in the circular economy, the condensation source heat pump to be used drives the multi-effect distillation solution Crystallization purification process. [0003] (2) Background technology [0004] Multi-effect distillation solution crystallization purification process: multi-group evaporator D n and its preheater E n , connected in series through multiple process connection points to form a multi-effect distillation solution crystallization purification process, only the first effect evaporator D 1 and its preheater E 1 Input heating water vapor, and recycle condensed water 22; From then on, each effect, the effect evaporator D n-1 When spraying preheating and supplementing seawater or spraying circulating brine, the latent heat of...

Claims

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Application Information

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IPC IPC(8): B01D1/00B01D1/06B01D1/22B01D1/26B01D1/30
CPCB01D1/0064B01D1/0082B01D1/065B01D1/26B01D1/30Y02P70/10
Inventor 侴乔力陈江侴雨宏魏蔚
Owner 侴乔力
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