A high-efficiency two-way flow plate type lifting film evaporator

A bidirectional flow and lifting film technology, which is applied in evaporation, chemical instruments and methods, and separation methods, can solve the problems of low pressure bearing capacity, low steam utilization rate, and low evaporation efficiency of lifting film evaporators, and achieve a heat exchange area The effect of maximizing, increasing the processing capacity, and high evaporation efficiency

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

[0004] In the existing plate-type lifting film evaporator, the plate design structure determines the flow direction of saturated steam, condensed water, evaporated fluid material, evaporated material fluid and secondary steam, and each plate has only one saturated steam inlet, One material concentrate and secondary steam outlet, one untreated material inlet and one condensed water outlet, and the lifting film evaporator can only process one material, and the processing capacity per unit time is small, the steam utilization rate is low and the evaporation rate is low. low efficiency
At the same time, the lifting film evaporator also has the problem of low pressure bearing capacity.

Method used

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  • A high-efficiency two-way flow plate type lifting film evaporator
  • A high-efficiency two-way flow plate type lifting film evaporator
  • A high-efficiency two-way flow plate type lifting film evaporator

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Embodiment 1

[0032] Such as figure 1 As shown, a high-efficiency two-way flow plate type lifting film evaporator of the present invention includes a plate bundle 1 for heat exchange, and the plate bundle 1 includes a plurality of stacked plate groups, and adjacent plates A steam channel is formed between the sheet groups, and each of the sheet groups includes the first sheet A, the second sheet B, the third sheet C and the fourth sheet D arranged in sequence; each of the sheet groups There are a saturated steam inlet, a non-condensed material inlet, a concentrated liquid and secondary steam outlet, and a condensed water and non-condensable gas outlet on the left and right sides of the board. The second plate B and the third plate On the left and right sides of the top of sheet C, there is an opening for the passage of concentrated liquid and secondary steam in the process. The opening positions of each of the plates correspond to the same, and the openings corresponding to the same positio...

Embodiment 2

[0039] The structure of a high-efficiency two-way flow plate type lifting film evaporator in this embodiment is the same as that in Embodiment 1, the difference is that in this embodiment, two kinds of material fluids with different properties and two kinds of steam with different properties are heated. exchange process, such as Figure 10a with 10bAs shown, the specific heat exchange process is that the fresh saturated steam ① enters the saturated steam inlet on the left side of the fixed strong plate 2, and distributes to several steam along the saturated steam channel a1 at intervals of a material rising film flow channel or a material falling film flow channel flow channel until the blind plate 10, and at the same time, the saturated steam in the saturated steam channel a1 flows through the plate heat transfer surface along several parallel saturated steam channels, and the saturated steam enters the first heat exchange zone I Finally, the saturated steam ① gradually cond...

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Abstract

The invention discloses s bidirectional flow plate type film lifting and falling evaporator. The evaporator comprises a sheet bar bundle used for heat exchange; the sheet bar bundle comprises sheet bar units which are stacked and arrayed; each sheet bar unit comprises a first sheet bar, a second sheet bar, a third sheet bar and a fourth sheet bar which are arrayed in sequence; a material film lifting channel, a vapor channel and a material film falling channel are formed among the sheet bars in sequence at intervals; openings with corresponding positions are formed in the left and right sides of each sheet bar; the openings respectively form a saturated vapor passage, a non-concentrated material passage, a concentrated solution and secondary vapor passage and a condensate water and incondensable gas passage, as well as a passage used for passing of the concentrated solution and the secondary vapor during a process; the passages in the same sides of the sheet bars form a set of evaporating condensation system. According to the invention, the bidirectional flow is adopted for evaporating condensation; evaporating concentration of different materials can be conducted at the same time; material treatment capacity in unit time is improved; double film lifting and falling evaporating condensation is adopted to enable the vaporization efficiency to be improved; meanwhile, space of the equipment is saved.

Description

technical field [0001] The invention belongs to the technical field of heat exchangers, and in particular relates to a high-efficiency two-way flow plate type lifting film evaporator. Background technique [0002] As an advanced evaporation and concentration equipment, the plate evaporator is mainly used to evaporate the water in the dilute material through the transfer of the high temperature enthalpy of the steam, so as to obtain the concentrated material, and is widely used in the chemical and pharmaceutical industries, such as organic Purification of acids, amines and alcohols, etc. 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 modernization t...

Claims

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Application Information

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