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Total heat recovery independent drive multi-effect distillation process utilizing condensed steam source heat pump

A technology with full heat recovery and independent drive, applied in heating water/sewage treatment, chemical instruments and methods, seawater treatment, etc.

Inactive Publication Date: 2017-01-18
侴乔力 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (3) The power consumption reaches 7~15kW*h / t, and the water production cost reaches ￥20~30 / t

Method used

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  • Total heat recovery independent drive multi-effect distillation process utilizing condensed steam source heat pump

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Experimental program
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Embodiment Construction

[0067] Attached figure 1 As 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 thickness 1.5mm / length 120mm copper tube gaseous heat pump outlet 1-7; diameter 12mm / wall thickness 0.9mm / length 20mm oil suction port 1-8; interface diameter 12mm / wall thi...

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Abstract

The invention relates to a total heat recovery independent drive multi-effect distillation process utilizing a condensed steam source heat pump. The total heat recovery independent drive multi-effect distillation process utilizing the condensed steam source heat pump is a cross-border product of a condensed steam source heat pump industry and a multi-effect distillation industry, wherein an evaporator of the condensed steam source heat pump is utilized to recover condensed fresh water sensible heat and condensed latent heat of secondary steam distilled by a last effect evaporator of the multi-effect distillation process, a condenser of the condensed steam source heat pump is utilized to directly prepare a low-pressure water vapor, and the low-pressure water vapor is transferred to a first effect evaporator through a pipeline to serve as a process heating heat source used for driving the heat pump, so that the fresh water sensible heat and the condensed latent heat of the last effect evaporator are recovered by the condensed steam source heat pump, the multi-effect distillation process is independently driven, and all drive water vapor is saved after stable operation.

Description

[0001] (1) Technical field [0002] The invention relates to a condensing steam source heat pump full heat recovery independent drive multi-effect distillation process used in seawater desalination, food processing, beverage production, sewage treatment, water purification treatment, reclaimed water treatment and chemical industry. [0003] (2) Background technology [0004] Multi-effect distillation process: consists of multiple groups of evaporators D n and its preheater E n , connected in series through multiple process connection points to form a multi-effect distillation process, only the first effect evaporator D 1 and its preheater E 1 Input pressurized water vapor, and recover condensed fresh water; every effect from now on, the effect evaporator D n-1 When spraying preheating and supplementing seawater or spraying circulating brine, the latent heat of condensation of the pre-effect water vapor is recovered to distill the secondary steam of the effect, and introduced...

Claims

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Application Information

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IPC IPC(8): C02F1/08C02F1/04C02F103/08
CPCC02F1/04C02F1/048C02F1/08C02F2103/08
Inventor 侴乔力陈江侴雨宏魏蔚
Owner 侴乔力
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