A multi-stage preheating plate evaporator

A technology of evaporator and preheating plate, which is applied in the field of multi-stage preheating plate evaporator, which can solve the problems of complicated process subsidiary process, low heat transfer efficiency, and large floor area, so as to save construction investment and increase heat transfer area , the effect of reducing the floor area

Active Publication Date: 2016-02-03
西安雷德热能技术工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of rising film evaporator device with external preheater has large heat loss, low heat transfer efficiency, complicated process and large floor space.

Method used

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  • A multi-stage preheating plate evaporator
  • A multi-stage preheating plate evaporator
  • A multi-stage preheating plate evaporator

Examples

Experimental program
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Embodiment

[0031] Such as figure 1 and figure 2 As shown, a multi-stage preheating plate evaporator of the present invention includes a first plate bundle 1 and a second plate bundle 2 stacked together, the first plate bundle 1 is used for preheating of unconcentrated materials, The second plate bundle 2 is used for evaporative concentration of materials; the first plate bundle 1 includes a plurality of first plates A and second plates B arranged alternately, and the second plate bundle 2 includes a plurality of alternately arranged The third plate C and the fourth plate D; the first plate bundle 1 includes a material preheating system, and the material preheating system includes an unconcentrated material fluid inlet channel f, a preheated material fluid discharge channel m, a preheating Saturated steam inlet channel g, preheated saturated steam outlet channel h, condensed water and non-condensable gas channel n, each channel is composed of openings arranged at the same position on ea...

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Abstract

The invention discloses an efficient multi-section preheating plate type evaporator. The efficient multi-section preheating plate type evaporator comprises a first plate sheet bundle and a second plate sheet bundle, wherein the first plate sheet bundle and the second plate sheet bundle are stacked and combined together; the first plate sheet bundle internally comprises a plurality of first plate sheets and a plurality of second plate sheets which are arranged at intervals; the second plate sheet bundle internally comprises a plurality of third plate sheets and a plurality of fourth plate sheets which are arranged at intervals; the first plate sheet bundle comprises a material preheating system; the second plate sheet bundle comprises an evaporation condensation system; a partition plate is arranged between the first plate sheet bundle and the second plate sheet bundle; an opening communicated with a preheating saturated steam passage and a preheating saturated steam discharging passage is formed in the partition plate. A plate type preheater and a plate type evaporator are combined, so that the one-time investment cost of the evaporator is reduced, the space is saved, and the treatment amount of unit time is increased.

Description

technical field [0001] The invention belongs to the technical field of heat exchangers, in particular to a multi-stage preheating plate evaporator. Background technique [0002] As an advanced preheating evaporation and concentration equipment, the multi-stage preheating plate evaporator is mainly used to preheat the material and make the water in the dilute material evaporate through the transfer of high temperature enthalpy of the steam, so as to obtain the concentrated material. Widely used in chemical and pharmaceutical industries, such as the purification of organic acids, amines and alcohols. Used in the food and beverage industry, such as the concentration of dairy products, fruit juices, sugar, etc. It is also used in the natural organic product industry, such as fermentation industry, evaporation of glue, viscous water, etc. It is also used in the evaporation and concentration of black water in the paper industry. With the continuous development of industrial mod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/22B01D1/30
Inventor 赵弘毅
Owner 西安雷德热能技术工程有限公司
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