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Dry-method double-modified starch continuous production device

A dual-modified starch and production device technology, applied in the field of machinery, can solve the problems of narrow product promotion and application, high solvent method production cost, large product quality fluctuation, etc., and achieves significant ecological and environmental protection benefits, low production costs, and stable product quality. Effect

Inactive Publication Date: 2011-12-14
广西农垦明阳生化有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is: to solve the long-term troubles in my country's dry-process modified starch production industry, such as single variety, small scale, large fluctuations in product quality, narrow product promotion and application, and the solvent method has high production costs, poor safety, and relatively harsh equipment requirements. To solve the technical bottleneck problem of modified starch, provide a feasible dry-process double-modified starch continuous production device for the dry-process production of modified starch to diversify, scale and continuous industrial production

Method used

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  • Dry-method double-modified starch continuous production device
  • Dry-method double-modified starch continuous production device

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Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1: the structure of dry method double-modified starch continuous production device

[0029] Dry-process double-modified starch continuous production device, equipped with liquid medicine tanks 1, 10, 12 and 29, atomization devices 2, 11, 13 and 30, mixer 3, powder storage tank 4, speed-adjustable metering powder feeders 5 and 19 , reactors 6 and 21, heaters 7, 15 and 22, screw conveyors 8, 20 and 27, continuous mixers 9 and 28, lifters 14 and 23, classifiers 16 and 24, induced draft fans 17 and 25, Powder collection tank 18 and 26, vibrating screen 31, weighing scale 32 and packaging machine 33.

[0030] The connection of the device is: A liquid medicine tank 1, A atomization device 2, mixer 3, powder storage tank 4, A speed regulating metering powder feeder 5, A reactor 6, A screw conveyor 8, A continuous mixer 9. A lifter 14, A classifier 16, A powder collecting tank 18, B speed regulating metering powder feeder 19, B reactor 21, B continuous mixer 28, B l...

Embodiment 2

[0031] By formula weight parts starch or / and the chemicals that add with powder are continuously metered into the mixer, while 6 parts by weight concentration is 69% 3-chloro-2-hydroxypropyl trimethyl ammonium chloride and 2.8 weight parts Parts of sodium hydroxide with a concentration of 30% are fully mixed in the A drug solution tank 1 and continuously sprayed into the mixer 3 through the A atomization device 2, and the starch and chemicals are fully mixed and then unloaded into the powder storage tank 4; The fast metering powder feeder 5 continuously adds starch to A reactor 6 and raises the temperature to 50-100°C. The starch in A reactor 6 realizes the continuous reaction of continuous feeding and discharging, and the speed metering powder feeder 5 can be adjusted by adjusting A. The speed of adding powder, control the reaction time of starch in A reactor 6, control the reaction temperature by adjusting the flow rate of A heater 7 hot air and steam, so as to meet the needs...

Embodiment 3

[0032] Embodiment 3: the continuous production of dry process dextrin

[0033] It is 10% hydrochloric acid solution that preparation concentration is in A chemical solution tank 1 and is continuously sprayed in the cassava starch of continuous metering feed by A atomizing device 2, and the weight ratio of starch and hydrochloric acid solution is 100: 2, and starch and hydrochloric acid are in After being fully mixed in the mixer 3, it is unloaded into the storage tank 4; a part of the starch is continuously transported to the A reactor 6 through the A speed-adjusting metering powder feeder 5 and heated to 150-170°C, and the other part of the starch is transported through the B screw conveyor 20 , through the B speed-adjusting metering powder feeder 19, it is continuously added to the B reactor 21 and heated to 150-170°C. The starch is continuously fed and discharged in the A and B reactors respectively. The powder feeding speed of the powderers 5 and 19 controls the reaction t...

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Abstract

The invention discloses a dry-method double-modified starch continuous production device which is characterized by comprising a liquor tank, an atomization device, a mixer, a powder storage tank, a speed regulating and metering powder feeder, a reactor, a heater, a screw conveyer, a continuous mixer, a lifter, a classifier, an induced draught fan, a powder collection tank, a vibrating screen, a weighing scale and a packaging machine. Continuous feeding, discharging and reacting are realized; the reaction uniformity is high; starch reaction time is controlled by regulating powder feeding speedof the speed regulating and metering powder feeder; reaction temperature is controlled by regulating flow rates of hot air and steam; and the device meets the requirements of large-scale continuous production of dry-method double-modified or single-modified starch, such as cationized-phosphoric esterified starch, acidified-cationized starch, acidified-phosphoric esterified starch, dextrin, cationic starch, phosphate starch and the like. The production device has the advantages of less investment, high reaction conversion rate, high product yield, low production cost, high adjustability of production capacity, stable product quality and obvious ecological environment friendliness and economic benefits.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a continuous production device for dry double-modified starch. Background technique [0002] The production methods of modified starch can be divided into wet method, solvent method, dry method and so on. The wet method has mild reaction conditions, high safety, good reaction uniformity, and high product purity. It is a production method commonly used by my country's modified starch manufacturers. However, there are also many disadvantages in wet production, such as: long reaction time, low reaction conversion rate, high production cost, large water consumption, high salt content in wastewater, and easy to cause environmental pollution. Dry production process is simple, short reaction time, high conversion rate, high yield, low energy consumption, low production cost, less pollution, in line with the development direction of green modified starch, is a promising production metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B31/00
Inventor 朱其虎韦爱芬潘瑞坚覃贵盛罗文征
Owner 广西农垦明阳生化有限公司
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