Ammonium sulfate mother liquor concentration and distillation system and distillation process thereof

A distillation system and ammonium sulfate technology, applied in the direction of ammonium sulfate, evaporation, evaporator accessories, etc., can solve the problems of low distillation efficiency and poor distillation effect, and achieve high distillation efficiency, low environmental pollution, and good distillation effect Effect

Inactive Publication Date: 2018-10-09
无锡森威尔化工装备科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The solid content of the ammonium sulfate mother liquor is about 50%, the specific gravity of the material is 1.5-1.7, and the pH value is 2-4. It needs to go through the distillation process. The traditional process has low distillation efficiency and poor distillation effect.

Method used

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  • Ammonium sulfate mother liquor concentration and distillation system and distillation process thereof
  • Ammonium sulfate mother liquor concentration and distillation system and distillation process thereof

Examples

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, illustrate the specific implementation manner of this embodiment

[0024] Such as figure 1 , figure 2 As shown, the concentrated distillation system for ammonium sulfate mother liquor in this embodiment includes a scraper thin-film evaporator 1 and a rake dryer 2. The evaporator 1 includes an evaporation chamber 11, and the evaporation chamber 11 is connected to the scraper 12 and the material distributor 16 through a rotating shaft. And the demister 17, the material distributor 16 can throw the material on the evaporation chamber 11 to ensure the evaporation effect. The demister can remove the material foam, prevent the material foam from being discharged with the water vapor, and also set the material inlet 12, concentrated liquid Outlet 13 and first steam outlet 14, a first heat exchange chamber 15 is arranged outside the evaporation chamber 11, the first steam outlet 14 is connected to the first condenser 3, the firs...

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Abstract

The invention relates to an ammonium sulfate mother liquor concentration and distillation system and a distillation process thereof. The ammonium sulfate mother liquor concentration and distillation system comprises a scraper film evaporator and a rake dryer and is characterized in that the evaporator comprises an evaporation cavity, the evaporation cavity is connected with a scraper through a rotary shaft, the evaporation cavity is further provided with a material inlet, a concentrate outlet and a first vapor outlet, a first heat exchanging cavity is further arranged outside the evaporation cavity, the first vapor outlet is connected with a first condenser, the first condenser is connected with a condensate receiving tank, the condensate outlet is connected with a concentrate tank, the rake dryer comprises a drying cavity, a stirring rake is connected into the inner cylinder of the drying cavity through a rotary shaft, the drying cavity is provided with a feed inlet, a discharge outlet and a second vapor outlet, a second heat exchanging cavity is arranged outside the drying cavity, the second vapor outlet is connected with a second condenser, the second condenser is connected withthe condensate receiving tank, and the drying cavity, the condensate tank and the condensate receiving tank are connected with a vacuum unit. The ammonium sulfate mother liquor concentration and distillation system and the distillation process thereof are high in distillation efficiency, good in distillation effect and small in environmental pollution.

Description

technical field [0001] The invention relates to chemical equipment, in particular to a concentrated distillation system for ammonium sulfate mother liquor and a distillation process thereof. Background technique [0002] The solid content of the ammonium sulfate mother liquor is about 50%, the specific gravity of the material is 1.5-1.7, and the pH value is 2-4. It needs to go through a distillation process. The traditional process has low distillation efficiency and poor distillation effect. Contents of the invention [0003] The applicant has carried out research improvement for above shortcoming, provides a kind of ammonium sulfate mother liquor concentrating distillation system and distillation process thereof. [0004] The technical scheme adopted in the present invention is as follows: [0005] A concentrated distillation system for ammonium sulfate mother liquor, including a scraper film evaporator and a rake dryer, the evaporator includes an evaporation chamber, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/00B01D1/30C01C1/24
CPCB01D1/00B01D1/30C01C1/24
Inventor 周惠忠
Owner 无锡森威尔化工装备科技有限公司
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