CN108863721A - The production technology of crystalline sorbitol - Google Patents
The production technology of crystalline sorbitol Download PDFInfo
- Publication number
- CN108863721A CN108863721A CN201810876544.2A CN201810876544A CN108863721A CN 108863721 A CN108863721 A CN 108863721A CN 201810876544 A CN201810876544 A CN 201810876544A CN 108863721 A CN108863721 A CN 108863721A
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- Prior art keywords
- sorbitol
- drying
- curing
- production technology
- sorbite
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/78—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by condensation or crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of production technology of crystalline sorbitol, by using liquid sorbitol, by decoloration, concentration, crystallization granulation, curing and drying, crushes and screens, packs, examines to be put in storage crystalline sorbitol powder is made.Operation of the present invention is simple, can install detection, monitoring device and instrument in each process, control convenient for process control and quality, process continuity of the present invention is strong, energy-efficient.
Description
Technical field
The present invention relates to the preparation technical fields of functional Sugar Alcohol, more particularly to the production work of crystalline sorbitol
Skill.
Background technique
Crystalline sorbitol is a kind of widely used fine chemical product, can be used for producing vitamin C, medicament adds agent, anti-
Crystallizing agent, hygroscopic agent, chemical stabilizer, food additives, surfactant etc..With social economy and science and technology it is quick
The application of development, the raising of living standards of the people, sorbierite was produced based on ascorbic raw material by the past, gradually to chemical industry, day
Changed with industries such as chemical industry, food, medicine, especially people consider health etc., demand of the people to Neosorb
It is increasing.However, the production technology of existing crystalline sorbitol is complicated, each process control is inconvenient, and production efficiency is low.
Therefore, how to provide it is a kind of it is easy to operate, be this convenient for the production technology of control, energy-efficient crystalline sorbitol
The problem of field technical staff's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides it is a kind of it is easy to operate, convenient for control, the production of energy-efficient crystalline sorbitol
Technique.
To achieve the above object, the present invention provides the following technical solutions：
The production technology of crystalline sorbitol comprising following process：
Process 1：Decoloration：Liquid sorbitol is squeezed into bleacher using stainless steel pump, under constant agitation by 0.1%
Active carbon is added in weight ratio, is warming up to 88-92 DEG C and stirs 1 hour, respectively places filtrate after decarbonization filtering and film filtering
Filtrate tanks are stand-by；
Process 2：Concentration：Filtrate stand-by in filtrate tanks described in process 1 is got into concentration tank using stainless steel pump, is being stirred continuously
Under the conditions of be warming up to 100-105 DEG C, be concentrated under the conditions of vacuum degree≤- 0.08MPa, negative pressure heat preservation 1 hour, concentration complete, be made
Concentrate；
Process 3：Crystallization granulation：D-sorbite fine powder is continuously added to as brilliant by vacuum feeder in the balling disk(-sc) of granulator
Kind, the D-sorbite fine powder crystal seed weight：Concentrate weight is（1：2）-（1：5）, then concentrate described in process 2 is sprayed
Crystallization granulation is carried out in granulator, it is agitated that diameter≤2cm particle is made, it is carried out continuously operation, until particle is automatically from system
It is flowed into roller pipeline in grain disk；
Process 4：Curing and drying：The particle that process 3 is made carries out cooling curing and drying by pure air in roller, wherein
The temperature of pure air is higher than 20 DEG C, but no more than 50 DEG C, enters pulverizer through pipeline after the curing and drying that cools down；
Process 5：It crushes and screens：Crushing system air-introduced machine, pulverizer, straight sieve, fluidized bed, rotary strainer are opened, notice granulation post is opened
Open roller, the particle after the curing and drying that cools down enters pulverizer through pipeline, and smashed D-sorbite fine powder is from cyclone separator
Feed opening flows into straight sieve, after being directly sieved through, enter fluidized bed by the part directly sieved, rotary strainer sieves, by directly sieving
Part is returned pulverizer and is crushed again, will be collected into packaging bag in accordance with the solid Sorbitol Powder of 20 ~ 60 mesh of granularity requirements, by
Trolley is sent into lower process；
Process 6：Packaging：Qualified solid Sorbitol Powder electronic scale precise is packed, inner packing is poly- for food-grade
Vinyl bag is sealed with thermoplastic closing machine for receptacles after filling, and outer packing is composite kraft paper bag, with sack closer sealing, by conveyer belt through buffering
Between send out clean area, sew on label in packaging；
Process 7：Examine storage.
Preferably, in the production technology of above-mentioned crystalline sorbitol, liquid sorbitol purity is 70% in the process 1.
Preferably, in the production technology of above-mentioned crystalline sorbitol, D-sorbite fine powder seed size is in the process 3
100/60 mesh.
It can be seen via above technical scheme that compared with prior art, by the present invention in that being passed through with liquid sorbitol
Following process：Active carbon decoloring, charcoal filtering, film filtering, are sufficiently filtered after decoloration；Vacuum evaporation；Crystallization granulation；It has pelletized
At rear inflow roller curing and drying；Crushing system is entered by roller pipeline after the completion of dry and realizes crushing, straight sieve screening, rotary strainer
Screening；Packaging；Examine storage that crystalline sorbitol powder is made.The present invention has the following advantages that：It is easy to operate, it can be in each process
Installation detection, monitoring device and instrument, control, and process continuity is strong convenient for process control and quality, energy-efficient.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the invention discloses it is a kind of it is easy to operate, convenient for control, the production work of energy-efficient crystalline sorbitol
Skill.
The production technology of crystalline sorbitol disclosed by the invention comprising following process：
Process 1：Decoloration：The liquid sorbitol that purity is 70% is squeezed into bleacher using stainless steel pump, is being stirred continuously condition
Active carbon is added by 0.1% weight ratio down, is warming up to 88-92 DEG C and stirs 1 hour, respectively after decarbonization filtering and film filtering
It is stand-by that filtrate is placed into filtrate tanks；
Process 2：Concentration：Filtrate stand-by in filtrate tanks described in process 1 is got into concentration tank using stainless steel pump, is being stirred continuously
Under the conditions of be warming up to 100-105 DEG C, be concentrated under the conditions of vacuum degree≤- 0.08MPa, negative pressure heat preservation 1 hour, concentration complete, be made
Concentrate；
Process 3：Crystallization granulation：D-sorbite fine powder is continuously added to as brilliant by vacuum feeder in the balling disk(-sc) of granulator
Kind, the D-sorbite fine powder crystal seed weight：Concentrate weight is（1：2）-（1：5）, weight ratio specific value is according to concentrate
Concentration is selected, and then concentrate described in process 2 is sprayed in granulator and carries out crystallization granulation, it is agitated be made diameter≤
The particle of 2cm is carried out continuously operation, until particle flows into roller pipeline from balling disk(-sc) automatically；
Process 4：Curing and drying：The particle that process 3 is made carries out cooling curing and drying by pure air in roller, wherein
The temperature of pure air is higher than 20 DEG C, but no more than 50 DEG C, enters pulverizer through pipeline after the curing and drying that cools down；
Process 5：It crushes and screens：Crushing system air-introduced machine, pulverizer, straight sieve, fluidized bed, rotary strainer are opened, notice granulation post is opened
Open roller, the particle after the curing and drying that cools down enters pulverizer through pipeline, and smashed D-sorbite fine powder is from cyclone separator
Feed opening flows into straight sieve, after being directly sieved through, enter fluidized bed by the part directly sieved, rotary strainer sieves, by directly sieving
Part is returned pulverizer and is crushed again, will be collected into packaging bag in accordance with the solid Sorbitol Powder of 20 ~ 60 mesh of granularity requirements, by
Trolley is sent into lower process；
Process 6：Packaging：Qualified solid Sorbitol Powder electronic scale precise is packed, inner packing is poly- for food-grade
Vinyl bag is sealed with thermoplastic closing machine for receptacles after filling, and outer packing is composite kraft paper bag, with sack closer sealing, by conveyer belt through buffering
Between send out clean area, sew on label in packaging；
Process 7：Examine storage.
By the present invention in that with liquid sorbitol, by following process：Active carbon decoloring, charcoal filtering, film filtering, decoloration
Sufficiently filtering afterwards；Vacuum evaporation；Crystallization granulation；Roller curing and drying is flowed into after the completion of granulation；Pass through rolling after the completion of dry
Bobbin road enters crushing system and realizes crushing, straight sieve screening, rotary strainer screening；Packaging；Examine storage that crystalline sorbitol powder is made
End.The present invention has the following advantages that：It is easy to operate, detection, monitoring device and instrument can be installed in each process, be convenient for process control
It is controlled with quality, and process continuity is strong, it is energy-efficient.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. the production technology of crystalline sorbitol, which is characterized in that it includes following process：
Process 1：Decoloration：Liquid sorbitol is squeezed into bleacher using stainless steel pump, under constant agitation by 0.1%
Active carbon is added in weight ratio, is warming up to 88-92 DEG C and stirs 1 hour, respectively places filtrate after decarbonization filtering and film filtering
Filtrate tanks are stand-by；
Process 2：Concentration：Filtrate stand-by in filtrate tanks described in process 1 is got into concentration tank using stainless steel pump, is being stirred continuously
Under the conditions of be warming up to 100-105 DEG C, be concentrated under the conditions of vacuum degree≤- 0.08MPa, negative pressure heat preservation 1 hour, concentration complete, be made
Concentrate；
Process 3：Crystallization granulation：D-sorbite fine powder is continuously added to as brilliant by vacuum feeder in the balling disk(-sc) of granulator
Kind, the D-sorbite fine powder crystal seed weight：Concentrate weight is（1：2）-（1：5）, then concentrate described in process 2 is sprayed
Crystallization granulation is carried out in granulator, it is agitated that diameter≤2cm particle is made, it is carried out continuously operation, until particle is automatically from system
It is flowed into roller pipeline in grain disk；
Process 4：Curing and drying：The particle that process 3 is made carries out cooling curing and drying by pure air in roller, wherein
The temperature of pure air is higher than 20 DEG C, but no more than 50 DEG C, enters pulverizer through pipeline after the curing and drying that cools down；
Process 5：It crushes and screens：Crushing system air-introduced machine, pulverizer, straight sieve, fluidized bed, rotary strainer are opened, notice granulation post is opened
Open roller, the particle after the curing and drying that cools down enters pulverizer through pipeline, and smashed D-sorbite fine powder is from cyclone separator
Feed opening flows into straight sieve, after being directly sieved through, enter fluidized bed by the part directly sieved, rotary strainer sieves, by directly sieving
Part is returned pulverizer and is crushed again, will be collected into packaging bag in accordance with the solid Sorbitol Powder of 20 ~ 60 mesh of granularity requirements, by
Trolley is sent into lower process；
Process 6：Packaging：Qualified solid Sorbitol Powder electronic scale precise is packed, inner packing is poly- for food-grade
Vinyl bag is sealed with thermoplastic closing machine for receptacles after filling, and outer packing is composite kraft paper bag, with sack closer sealing, by conveyer belt through buffering
Between send out clean area, sew on label in packaging；
Process 7：Examine storage.
2. the production technology of crystalline sorbitol according to claim 1, which is characterized in that liquid sorb in the process 1
Sugar alcohol purity is 70%.
3. the production technology of crystalline sorbitol according to claim 1, which is characterized in that D-sorbite in the process 3
Fine powder seed size is 100/60 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876544.2A CN108863721A (en) | 2018-08-03 | 2018-08-03 | The production technology of crystalline sorbitol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876544.2A CN108863721A (en) | 2018-08-03 | 2018-08-03 | The production technology of crystalline sorbitol |
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| Publication Number | Publication Date |
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| CN108863721A true CN108863721A (en) | 2018-11-23 |
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| CN201810876544.2A Pending CN108863721A (en) | 2018-08-03 | 2018-08-03 | The production technology of crystalline sorbitol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041169A (en) * | 2019-05-14 | 2019-07-23 | 安徽师范大学 | The separation method of sorbierite in a kind of glucose hydrogenation liquid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757445A (en) * | 2012-07-27 | 2012-10-31 | 山东福田药业有限公司 | Preparation technique of isosorbide |
| CN104450799A (en) * | 2014-12-05 | 2015-03-25 | 浙江华康药业股份有限公司 | Process for preparing neosorb and coproducing fructose-glucose syrup |
| CN105177059A (en) * | 2015-10-16 | 2015-12-23 | 成都连接流体分离科技有限公司 | Method of simultaneously producing crystallized sorbitol and daily chemical sorbitol |
-
2018
- 2018-08-03 CN CN201810876544.2A patent/CN108863721A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757445A (en) * | 2012-07-27 | 2012-10-31 | 山东福田药业有限公司 | Preparation technique of isosorbide |
| CN104450799A (en) * | 2014-12-05 | 2015-03-25 | 浙江华康药业股份有限公司 | Process for preparing neosorb and coproducing fructose-glucose syrup |
| CN105177059A (en) * | 2015-10-16 | 2015-12-23 | 成都连接流体分离科技有限公司 | Method of simultaneously producing crystallized sorbitol and daily chemical sorbitol |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041169A (en) * | 2019-05-14 | 2019-07-23 | 安徽师范大学 | The separation method of sorbierite in a kind of glucose hydrogenation liquid |
| CN110041169B (en) * | 2019-05-14 | 2022-05-10 | 安徽师范大学 | Method for separating sorbitol from glucose hydrogenation reaction liquid |
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Application publication date: 20181123 |
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