CN112321735A

CN112321735A - Efficient modified starch processing technology

Info

Publication number: CN112321735A
Application number: CN202011129057.3A
Authority: CN
Inventors: 尹爱国; 梁越; 周天; 郑明涛
Original assignee: Guangdong Chongqing Font Biochemical Science & Technology Co ltd; Maoming Sub Center Of Guangdong Provincial Laboratory Of Modern Agricultural Science And Technology; Guangdong University of Petrochemical Technology
Current assignee: Guangdong Chongqing Font Biochemical Science & Technology Co ltd; Maoming Sub Center Of Guangdong Provincial Laboratory Of Modern Agricultural Science And Technology; Guangdong University of Petrochemical Technology
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-02-05

Abstract

The invention relates to the technical field of modified starch processing, and discloses an efficient modified starch processing technology, which comprises the steps of directly performing microwave treatment on a semi-finished product crushed by a crusher through a microwave heating drying tank, coupling the microwave and enzyme processes to form a novel technology for preparing cassava modified starch by coupling the microwave and the enzyme processes, performing structural modification on cassava starch molecules, researching the relationship between process parameters and the structure, the electric charge performance, the gelatinization performance, the rheological performance, the gelation performance and the film forming performance of the cassava modified starch, and selecting proper microwave and enzyme process parameters to prepare a series of cassava modified starch products.

Description

Efficient modified starch processing technology

Technical Field

The invention relates to the technical field of modified starch processing, in particular to a high-efficiency modified starch processing technology.

Background

Starch is a natural, environment-friendly and renewable resource, and because the application of starch in industry is restricted by a plurality of inherent properties (cold water insolubility, paste instability under the action of acid, heat and shearing and the like) of raw starch, in order to improve the performance of starch and expand the application range of starch, modified starch can be prepared by processing methods such as physics, chemistry, enzyme and the like, the natural property of starch is changed, the functionality of starch is increased or new characteristics are introduced, so that the requirement of industrial development is met. The pre-gelatinized starch is physically modified starch, and after the starch is gelatinized into a dispersed state, the starch is quickly dehydrated and dried, and starch molecules are not rearranged to obtain porous starch granules without obvious crystallization. Because the modified starch has porous and hydrogen bond fracture structure, compared with the original starch, the modified starch has the characteristics of high dispersibility, high oil absorption, high hydration speed, high viscosity, high expansibility and the like.

At present, in the processing and production process of modified starch, the semi-finished raw materials crushed by the crusher need to be placed for 24 hours, and the next procedure can be carried out after the inspection reaches the standard, so that the production efficiency of the modified starch is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an efficient modified starch processing technology, which has the advantage of improving the production efficiency of modified starch, and solves the problem that the production efficiency of modified starch is reduced because the raw material of a semi-finished product crushed by a crusher needs to be placed for 24 hours and the next procedure can be carried out after the inspection reaches the standard in the processing and production process of modified starch at present.

(II) technical scheme

In order to realize the purpose of improving the production efficiency of the modified starch, the invention provides the following technical scheme: a high-efficiency modified starch processing technology comprises the following steps;

s1: respectively taking required weight of caustic soda and etherifying agent from a caustic soda storage tank and an etherifying agent storage tank according to requirements;

s2: pouring the weighed caustic soda and etherifying agent into a mixing barrel, and uniformly mixing;

s3: adding the prepared cassava material into a reaction tank;

s3: pumping the uniformly mixed caustic soda and etherifying agent into a reaction tank, and spraying a medicine on cassava materials in the reaction tank through two spray heads arranged in the reaction tank to atomize the cassava materials;

s4: uniformly discharging the atomized cassava raw material after the cassava raw material is completely added, feeding the cassava raw material into a crusher, and crushing the cassava raw material into a semi-finished product by the crusher;

s5: adding the obtained semi-finished product into a microwave heating drying tank, and carrying out microwave treatment on the semi-finished product through the microwave heating drying tank;

s6: sending the semi-finished product subjected to microwave treatment into a drying tank, drying the semi-finished product to obtain powder, and drying;

s7: sieving the dried powder by a vibrating sieve, and discharging the powder to obtain modified starch;

s8: packaging the obtained modified starch.

Preferably, in the step S1, the caustic soda and the etherifying agent in the caustic soda storage tank and the etherifying agent storage tank are respectively pumped from the outside by water pumps and input into the caustic soda storage tank and the etherifying agent storage tank.

Preferably, in the step S4, the cassava materials in the reaction tank are sprayed with the medicine, and the stirrer in the reaction tank is started to stir the cassava materials and the medicine while the cassava materials are atomized, so that the cassava materials and the medicine are subjected to a biological reaction.

Preferably, in the step S1, the caustic soda and the etherifying agent are mixed in a predetermined ratio.

Preferably, in the step S6, the microwave-treated semi-finished product in the drying tank is heated and dried by an electric boiler.

Preferably, in the step S7, the dried powder is sieved for multiple times by a vibrating sieve, and the powder which is not sieved for multiple times is ground and sieved again by the vibrating sieve.

Preferably, in the step S8, the packaged modified starch is stored in a dry and ventilated warehouse.

(III) advantageous effects

Compared with the prior art, the invention provides an efficient modified starch processing technology, which has the following beneficial effects:

according to the efficient modified starch processing technology, a semi-finished product crushed by a crusher is directly subjected to microwave treatment through a microwave heating drying tank, the semi-finished product crushed by the crusher is directly subjected to microwave treatment through the microwave heating drying tank, microwave and enzyme processes are coupled to form a novel technology for preparing cassava modified starch through microwave-enzyme coupling, cassava starch molecules are subjected to structural modification, the relation between process parameters and the structure, the electric charge performance, the gelatinization performance, the rheological performance, the gelling performance and the film forming performance of the cassava modified starch is researched, and suitable microwave and enzyme process parameters are selected to prepare a series of cassava modified starch products. The strength, the binding force and the printing adaptability of the natural color packaging paper and the cultural paper added with the cassava modified starch can be analyzed, and the adjustment of production process parameters is adjusted and optimized according to test results, so that the functional chemical additive for cassava modified starch papermaking with excellent performance and good application prospect is developed and further popularized and applied.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A high-efficiency modified starch processing technology comprises the following steps;

s3: adding the prepared cassava material into a reaction tank;

s8: packaging the obtained modified starch.

The semi-finished product crushed by the crusher is directly subjected to microwave treatment through a microwave heating drying tank, and the semi-finished product can be dried and sieved to obtain powder after the microwave treatment, so that the time for waiting for 24 hours is not needed, and the production efficiency of modified starch is improved.

In the step S1, the caustic soda and the etherifying agent in the caustic soda storage tank and the etherifying agent storage tank are pumped from the outside through water pumps respectively and are input into the caustic soda storage tank and the etherifying agent storage tank.

And in the step S4, spraying medicines on cassava materials in the reaction tank, starting a stirrer in the reaction tank while atomizing the cassava materials, and stirring the cassava materials and the medicines to enable the cassava materials and the medicines to generate biological reaction.

In the step S1, the caustic soda and the etherifying agent are proportioned according to a set proportion.

And in the step S6, heating and drying the semi-finished product subjected to the microwave treatment in the drying tank through an electric boiler.

And in the step S7, the dried powder is sieved for multiple times through a vibrating sieve, and the powder which is sieved for multiple times and is unqualified is ground and then sieved again through the vibrating sieve.

And in the step S8, the packaged modified starch is sent to a dry and ventilated warehouse for storage.

According to the efficient modified starch processing technology, the semi-finished product crushed by the crusher is directly subjected to microwave treatment through the microwave heating drying tank, and the semi-finished product can be dried and sieved to obtain powder after the microwave treatment, so that the process does not need to wait for 24 hours, and the production efficiency of modified starch is improved.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. an efficient modified starch processing technique, is characterized in that, comprises the following steps;

S1: respectively take the required weight of caustic soda and etherifying agent from the caustic soda storage tank and the etherifying agent storage tank as required;

S2: Pour the weighed caustic soda and etherifying agent into the mixing bucket and mix them evenly;

S3: Add the prepared cassava material to the reaction tank;

S3: pumping the caustic soda and etherifying agent mixed evenly into the reaction tank, and spraying the cassava material in the reaction tank with two nozzles installed in the reaction tank, and atomizing the cassava material;

S4: The atomized cassava raw material is added with medicine and the powder is evenly discharged into the pulverizer, and is pulverized into a semi-finished product by the pulverizer;

S5: adding the obtained semi-finished product into the microwave heating drying tank, and performing microwave treatment on the semi-finished product through the microwave heating drying tank;

S6: The semi-finished product after microwave treatment is sent to a drying tank, and it is dried to produce powder, and dried;

S7: the dried powder is sieved through a vibrating sieve and then the powder is produced to obtain modified starch;

S8: Packing the obtained modified starch.

2. a kind of efficient modified starch processing technology according to claim 1 is characterized in that: in the described S1 step, the caustic soda and the etherifying agent in the caustic soda storage tank and the etherifying agent storage tank respectively pass the water pump from the outside The extraction is input into the caustic soda storage tank and the etherification agent storage tank.

3. a kind of efficient modified starch processing technology according to claim 1, is characterized in that: in described S4 step, the cassava material in the reaction tank is sprayed with medicine, while atomizing the cassava material, the reaction is started The stirrer in the tank stirs the cassava material and the medicine to make it biologically react.

4. a kind of efficient modified starch processing technology according to claim 1, is characterized in that: in described S1 step, described caustic soda and etherifying agent are proportioned according to set ratio.

5 . An efficient modified starch processing technique according to claim 1 , wherein in the step S6 , the semi-finished product processed by microwave in the drying tank is heated and dried by an electric boiler. 6 .

6. a kind of efficient modified starch processing technology according to claim 1, is characterized in that: in described S7 step, the powder of drying is sieved through vibrating sieve multiple times, and the unqualified sieved multiple times After grinding, the powder is sieved by vibrating screen again.

7. a kind of efficient modified starch processing technology according to claim 1, is characterized in that: in described S8 step, the modified starch after packaging is sent into dry and ventilated warehouse for storage.