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Flash drying method for fish meal

A flash drying and fishmeal technology, which is applied in the directions of drying solid materials, drying cargo handling, and drying gas arrangement, can solve the problems of fishmeal being easily deteriorated by heat, affecting the effect of flash drying, etc., to ensure product particle size and moisture requirements, reduce Heat loss, good drying effect

Inactive Publication Date: 2021-06-11
浙江龙源四方机械设备制造有限公司
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AI Technical Summary

Problems solved by technology

However, when the drying equipment is used to process fish meal, the fish meal is easily deteriorated by heat, which affects the flash drying effect, so the drying method needs further improvement

Method used

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  • Flash drying method for fish meal
  • Flash drying method for fish meal
  • Flash drying method for fish meal

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0033] Such as Figure 1 to Figure 4 Shown, the flash drying method of the fishmeal of the present embodiment comprises the following steps,

[0034] 1. Send the fish meal to be dried into the lower inner cavity of the crushing and drying part 2 through the feeding part 1, and at the same time, the blower 7 sends hot air into the lower inner cavity of the crushing and drying part 2, and the hot air heats and dries the fish meal;

[0035] 2. The crushing mechanism of the crushing and drying part 2 crushes and screens the fish meal so that the fish meal is fully contacted with hot air and dried. During the drying process, the fish meal enters the upper cavity of the crushing and drying part 2 with the cyclone;

[0036] 3. The small and medium-sized fishmeal fishmeal entering the upper chamber continues to rise and enter the cyclone separation p...

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Abstract

A flash drying method for fish meal comprises the following steps that 1, the fish meal is smashed and screened through a smashing mechanism, so that the fish meal makes contact with hot air to be dried; 2, the small-particle fish meal enters a cyclone separation part, and the large-particle fish meal is smashed, screened and dried at the smashing mechanism; 3, the fish meal is collected by a material collecting device; 4, after filtering, air is discharged by an induced draft fan; wherein the hot air in the step 1 is air heated by steam condensate water generated by heat exchange during fish meal production. A lower inner cavity is divided into a smashing cavity and an air inlet cavity by a hollow jacket, hot air is input into the air inlet cavity through an air blower and then enters the smashing cavity from a bottom opening communicated with the air inlet cavity and the smashing cavity, and cooling liquid is circularly introduced into an inner cavity of the hollow jacket; and a forced lubricating device is arranged in the position, outside the lower inner cavity, of a driving shaft of the smashing mechanism. The flash drying method for fish meal has the advantages that the situation that the fish meal goes bad because of overheating is reduced, the fish meal drying effect is good, the heat source loss is decreased, and the energy saving and environmental protection effect is better.

Description

technical field [0001] The invention relates to the technical field of fish meal production, in particular to a flash drying method for fish meal. Background technique [0002] An existing Chinese invention patent application whose application number is CN201110279412.X titled "A Method of Cyclone Flash Drying Sludge and Its Drying Equipment" discloses a method of cyclone flash drying sludge. In the drying equipment, the hot air is introduced to increase the pressure in the drying equipment, and then the decompression treatment is carried out; the wet sludge is in a stirring state. According to the treatment method of the present invention, the wet sludge is treated with high pressure and high temperature by hot air, and then subjected to reduced pressure treatment to reduce the boiling point of the wet sludge. At this time, the moisture temperature in the sludge is higher than the boiling point under normal pressure conditions. The water boils and vaporizes quickly in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B1/00F26B17/10F26B21/00F26B25/00
CPCF26B1/005F26B3/10F26B17/10F26B21/002F26B21/004F26B25/002F26B25/007F26B25/00
Inventor 陈源森刘旭峰李旦昱顾贤雷刘生力赵顺平金雷吴冬陈龙王旭波孙林浩
Owner 浙江龙源四方机械设备制造有限公司
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