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A method for exchanging heat between powder slurry and cooking mash in a film cooling system

A cooling system and a technology for cooking mash, which are applied in biochemical equipment and methods, bioreactors/fermenters for specific purposes, biochemical instruments, etc. problems, to achieve the effect of saving steam and cooling water, and increasing its own temperature

Active Publication Date: 2017-07-04
SUZHOU WANSHEN FLOUR PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the spiral plate heat exchanger used for cooling the cooking mash in the prior art is fragile and cannot meet the demand of large production. The present invention provides a cooling system to solve the above problems

Method used

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  • A method for exchanging heat between powder slurry and cooking mash in a film cooling system
  • A method for exchanging heat between powder slurry and cooking mash in a film cooling system

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Embodiment Construction

[0022] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0023] Such as figure 1 As shown, the membrane cooling system for heat exchange between the slurry and the cooking mash, the system includes a vacuum separator 1, a membrane tower 2, a mixing auger 3, a saccharification tank 4, a vacuum pump 5, and a plate heat exchanger 6.

[0024] The top of the membrane tower 2 is provided with a first inlet 21 and a first outlet 22 ; the bottom is provided with a second inlet 23 and a second outlet 24 . Wherein the first inlet 21 is the slurry inlet, the first outlet 22 is the non-condensable steam outlet, the second inlet 23 is the non-condensable steam inlet, and the second outlet 24 is the preheated slurry outlet. The slurry is injected into the membrane tower 2 through the first inlet 21; the...

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Abstract

The invention provides a membrane type cooling system through which powder slurry and cooking mash perform heat exchange. The cooling system comprises a vacuum separator, a membrane type tower, a stirring auger, a saccharifying tank and a vacuum pump. The vacuum separator is connected with the saccharifying tank and the membrane type tower; the membrane type tower is connected with the stirring auger and the vacuum pump; the vacuum pump is connected with the saccharifying tank; the cooking mash is introduced into the vacuum separator; the powder slurry is introduced into the membrane type tower. Compared with the prior art, leftovers-powder slurry producing gluten or starch is adopted to replace water, heat energy can be fully utilized in a stepped mode, the temperature of the powder slurry is raised while the temperature of the cooling mash is lowered, each component takes what it needs, and the clean production requirements for energy conservation and emission reduction are really met.

Description

technical field [0001] The invention relates to the technical field of cooling, in particular to a system for cooling the cooking mash by using the leftovers-slurry produced in the production of gluten and starch. Background technique [0002] There are two types of cooling methods for starch raw material alcohol cooking mash in my country: [0003] 1. Most of them use spiral plate heat exchangers and use powder slurry as the refrigerant. Because the starch raw materials contain a lot of plastic fibers and silt, the service life of the spiral plate heat exchangers is affected. The shortest is more than 20 days, and the longest is more than 2 The month will leak due to fiber clogging or sand grinding. Leakage is not easy to detect, and it can only be found when the fermentation has a serious acid rise, so the fermentation loss is at least 2 to 3 days, which seriously affects the fermentation performance, resulting in a 0.6 to 0.8% reduction in the yield of raw materials, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/38
CPCC12M41/24
Inventor 吕西军陈超纵鑫姚东烨党钰王洪新陈刚马鹏举
Owner SUZHOU WANSHEN FLOUR PROD
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