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Quick agar gelling method

A gel and agar technology, applied in the field of agar rapid gelation, can solve the problems of high comprehensive energy consumption, low production efficiency, unstable gel quality, etc., and achieve high heat exchange intensity, simple structure and reasonable design. Effect

Active Publication Date: 2014-12-10
GREENFRESH FUJIAN FOODSTRUFF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the outstanding problems of low production efficiency, large comprehensive energy consumption and unstable gel quality in the current agar gel processing process, and realizes the continuous, fast, uniform and low energy consumption gel of agar gel

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1. Pre-cooling the agar solution: filter the agar solution with a mass concentration of 2.0% obtained by boiling the gelatin to remove impurities, and use a heat exchanger to lower the temperature of the agar solution to 55°C.

[0033] 2. Gel and pushing strips: the rotary table glue injection type gel pushing strip machine completes the gelation of the pre-cooled glue and outputs strip-shaped gels. The glue enters the feeding chamber 13 from the feeding port 171, and the batching turntable 15 rotates at a speed of 2rpm, so that the outer arc-shaped elongated hole 151 and the inner arc-shaped elongated hole 152, which are arranged oppositely, are respectively outwardly condensing the tube 161 and the inner condensing pipe 161. Pipe 162 intermittently injects glue solution to increase the supply pressure to promote the formation of gel. The glue solution exchanges heat with the cooling water flowing in the opposite direction at 25°C to cool and gradually gel. , the strip...

Embodiment 2

[0036] 1. Pre-cooling the agar solution: filter the agar solution with a mass concentration of 1.0% obtained by boiling the gelatin to remove impurities, and use a heat exchanger to lower the temperature of the agar solution to 38°C.

[0037]2. Gel and pushing strips: the rotary table glue injection type gel pushing strip machine completes the gelation of the pre-cooled glue and outputs strip-shaped gels. The glue enters the feed chamber 13 from the feed port 171, and the batching turntable 15 rotates at a speed of 6 rpm, so that the outer arc-shaped long hole 151 and the inner arc-shaped long hole 152 that are arranged oppositely on the outer condensing pipe 161 and the inner condensing pipe 161 respectively Pipe 162 intermittently injects glue solution to increase the supply pressure to promote the formation of gel. The glue solution exchanges heat with the cooling water flowing in the opposite direction at 15°C to cool and gradually gel. , the strip-shaped gel is removed fr...

Embodiment 3

[0040] 1. Pre-cooling the agar solution: filter the agar solution with a mass concentration of 0.5% obtained by boiling the gelatin to remove impurities, and use a heat exchanger to lower the temperature of the agar solution to 27°C.

[0041] 2. Gel and pushing strips: the rotary table glue injection type gel pushing strip machine completes the gelation of the pre-cooled glue and outputs strip-shaped gels. The glue enters the feeding chamber 13 from the feeding port 171, and the batching turntable 15 rotates at a speed of 10 rpm, so that the outer arc-shaped elongated hole 151 and the inner arc-shaped elongated hole 152 that are relatively arranged on it are respectively outwardly condensing the pipe 161 and internally condensing Pipe 162 intermittently injects glue solution to increase the supply pressure to promote the formation of gel. The glue solution exchanges heat with the cooling water flowing in the opposite direction at 2°C to cool and gradually gel. , the strip ge...

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Abstract

The invention discloses a quick agar gelling method which comprises the steps of filtering impurities out of an agar solution prepared by agar boiling, gelling the precooled glue solution and outputting strip-shaped gel with a turntable injection gel strip pushing machine, putting the strip-shaped gel into a nylon bag, wrapping, extruding and dehydrating to prepare the solid gel. During gel strip pushing, the agar solution in condensation tubes can be cooled by intertubular cooling water; the heat exchange intensity is great; the application scope to a feed liquid temperature is wider; gel outlet sections of the condensation tubes are tapered material outlets with diameters decreased gradually; the agar solution pressure in the condensation tubes is increased; the gel can be drained appropriately; the gelling ability is improved; the flow resistance of the gel during the gel pushing is reduced; the condensation tubes are fed alternately by a batching turntable; the feed pressure is increased; the operation process is simplified; the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of light industry, and in particular relates to a method for rapid gelation of agar. Background technique [0002] Agar is a polysaccharide extracted from seaweed, and it is one of the most widely used seaweed gels in the world. It has excellent gel and thickening properties, and can be used as thickener, coagulant, suspending agent, emulsifier, stabilizer, preservative, adhesive, biological medium and microbial carrier, etc., and is widely used in food , daily chemical industry, light industry, medicine and other fields. [0003] Gel is an important process in the production of agar, and it is obtained by coagulating the gel solution obtained by cooking after cooling. The gel method commonly used at present is to place the cooled glue solution in a container, let it stand, and gel. This method has low cost, but occupies a large area and is very inefficient. Therefore, shortening the gelation time and ens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/075C08L5/12
Inventor 林坤城何殿国韩阿火洪清林
Owner GREENFRESH FUJIAN FOODSTRUFF
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