CN107746900A - Continuous crystallisation equipment and technique in a kind of glucose production - Google Patents
Continuous crystallisation equipment and technique in a kind of glucose production Download PDFInfo
- Publication number
- CN107746900A CN107746900A CN201711118865.8A CN201711118865A CN107746900A CN 107746900 A CN107746900 A CN 107746900A CN 201711118865 A CN201711118865 A CN 201711118865A CN 107746900 A CN107746900 A CN 107746900A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- horizontal
- vertical
- continuous crystallisation
- centrifuge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/10—Crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The present invention relates to the continuous crystallisation equipment in a kind of glucose production and technique, including falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer and centrifuge, the falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer are sequentially connected in series, entrance of the outlet of the vertical crystallizer respectively with centrifuge and Horizontal crystallizer is connected, magma pump is connected between the centrifuge and vertical crystallizer, crystal seed reflux pump is connected between the outlet of the entrance of Horizontal crystallizer and vertical crystallizer.The technique of the present invention uses horizontal crystallizer and vertical crystallizer serial operation continuous crystallisation, and continuous crystallisation technological operation of the invention is simple, and crystallization yield can also be effectively controlled.
Description
Technical field
The invention belongs to glucose production process, the continuous crystallisation equipment particularly belonged in dextrose production process,
The invention further relates to the preparation technology of glucose continuous crystallisation.
Background technology
Crystal glucose is widely used in food service industry, pharmaceuticals industry, chemical industry as a kind of sweetener and functional material
The fields such as industry, the large-scale production of crystal glucose will drive the development of China's food, pharmaceuticals industry, meets the people's
Need.
Recent year crystal glucose have developed rapidly, and yield surges to hundreds of thousands ton, technical equipment from ten tens of thousands of tons
Level also has significant improvement, and crystallization processes are also constantly brought forth new ideas, the particularly large-scale and application of ultra-large type crystallizer, right
In promote crystal sugar industrial expansion serve certain impetus, crystallization processes also from interval to semicontinuous, continuous transition,
Crystallization processes on traditional dextrose production process, crystallized using single tank, intermittently operated, Crystallization Procedure cycle length, life
Production efficiency is low, and utilization rate of equipment and installations is poor, and in this single tank batch process procedures, heat exchange is uneven, and temperature-fall period control is unstable,
Easily there is the problems such as crystal grain is small, and life core is slow, crystal grain is soft, directly affect end product quality, although Foreign Chemical Engineering industry is first
Enter crystallization apparatus, it is currently known that to have several horizontal crystallizers series connection be one group of device crystallized, but due to equipment composition
Complexity, operation difficulty is big, and crystallization yield is low, is also not suitable for extensive use.
The content of the invention
It is simple to operate it is an object of the invention to provide the continuous crystallisation equipment in a kind of glucose production and technique, crystallization
Yield can also be effectively controlled.
A kind of equipment of continuous crystallisation production glucose, including falling film evaporator, heat exchanger, Horizontal crystallizer, vertical knot
Brilliant device and centrifuge, the falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer are sequentially connected in series, the vertical crystallization
Entrance of the outlet of device respectively with centrifuge and Horizontal crystallizer is connected, and sugar is connected between the centrifuge and vertical crystallizer
Cream pump, crystal seed reflux pump is connected between the outlet of the entrance of Horizontal crystallizer and vertical crystallizer.
Preferably, the falling film evaporator is triple effect falling film evaporator, and evaporation rate is fast, and effect is good.
A kind of continuous crystallisation technique in glucose production, it is continuous using horizontal crystallizer and vertical crystallizer serial operation
Crystallization, technical process is as follows, and liquid glucose is concentrated by evaporation into the syrup to DS72-75% and DE93-95% through changing by falling film evaporator
Hot device is heated to 90-95 DEG C of sterilization, is sent to Horizontal crystallizer after being then cooled to 42-45 DEG C, Horizontal crystallizer by chuck and
The cooling water of axle is by syrup cooling down to 40 DEG C of recyclings, and syrup entered vertical crystallizer after crystallizing 8 hours, through 48 hours
Crystallization, the control of massecuite outlet temperature discharge after reaching 22-24 DEG C, defeated from the massecuite part magma pump of crystalliser feet discharge
It is sent in the feed well of centrifuge, another part passes through crystal seed backflow pump reflux crystal seed to horizontal crystallizer, the vertical crystallization
There are three-layer disc pipe, vertical crystallizer feed rate 3.2m inside machine3/ h, discharging flow 3.4m3/ h, crystal seed return flow 0.2m3/
H, the horizontal crystallizer feed rate are 3.5m3/ h, crystal seed backflow pump discharge is 0.3m3/ h, discharging flow 3.8m3/h.
The whole crystallization time of continuous crystallisation equipment and technique in glucose production of the present invention is 54 hours, is all used
Full-automatic DCS controls, it is simple to operate, labor strength is significantly reduced, while crystallization yield also can be controlled effectively
System, crystallization yield are high.
Brief description of the drawings
Fig. 1 is the work block diagram of present device.
Embodiment
The equipment and technique of the present invention are further detailed with reference to embodiment：
Embodiment 1
As shown in figure 1, a kind of equipment of continuous crystallisation production glucose, including falling film evaporator, heat exchanger, Horizontal crystallizer,
Vertical crystallizer and centrifuge, the falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer are sequentially connected in series, described vertical
Entrance of the outlet of formula crystallizer respectively with centrifuge and Horizontal crystallizer is connected, and is connected between the centrifuge and vertical crystallizer
Magma pump is connected to, crystal seed reflux pump is connected between the outlet of the entrance of Horizontal crystallizer and vertical crystallizer.Now with one
30m3Horizontal crystallizer and a 30m3Vertical crystallizer serial operation continuous crystallisation, liquid glucose is evaporated by falling film evaporator dense
The syrup for being reduced to DS75% and DE95% is heated to 95 DEG C of sterilizations through heat exchanger, and Horizontal crystallizer is sent to after being then cooled to 45 DEG C,
Horizontal crystallizer by the cooling water of chuck and axle by syrup cooling down to 40 DEG C recycling, crystallization 8 hours after syrup enter
Enter vertical crystallizer, crystallized through 48 hours, the control of massecuite outlet temperature discharges after reaching 24 DEG C, from the sugar of crystalliser feet discharge
A cream part is pumped into the feed well of centrifuge with massecuite, and another part passes through crystal seed backflow pump reflux crystal seed to horizontal knot
Brilliant machine, complete the continuous crystallisation of glucose.
Embodiment 2
A kind of equipment of continuous crystallisation production glucose, including falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer
And centrifuge, the falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer are sequentially connected in series, the vertical crystallizer
Export the entrance respectively with centrifuge and Horizontal crystallizer to be connected, massecuite is connected between the centrifuge and vertical crystallizer
Pump, crystal seed reflux pump is connected between the outlet of the entrance of Horizontal crystallizer and vertical crystallizer, now with a 35m3Horizontal knot
Brilliant machine and a 35m3Vertical crystallizer serial operation continuous crystallisation, liquid glucose is concentrated by evaporation to DS72% by falling film evaporator
90 DEG C of sterilizations are heated to through heat exchanger with DE93% syrup, Horizontal crystallizer, horizontal crystallization are sent to after being then cooled to 42 DEG C
Device by the cooling water of chuck and axle by syrup cooling down to 40 DEG C recycling, crystallization 8 hours after syrup enter vertical knot
Brilliant machine, crystallized through 48 hours, the control of massecuite outlet temperature discharges after reaching 22 DEG C, from a massecuite part for crystalliser feet discharge
It is pumped into massecuite in the feed well of centrifuge, another part flows back pump reflux crystal seed to horizontal crystallizer by crystal seed, complete
Into the continuous crystallisation of glucose.
Claims (7)
1. a kind of equipment of continuous crystallisation production glucose, it is characterised in that including falling film evaporator, heat exchanger, horizontal crystallization
Device, vertical crystallizer and centrifuge, the falling film evaporator, heat exchanger, Horizontal crystallizer, vertical crystallizer are sequentially connected in series, institute
Entrance of the outlet respectively with centrifuge and Horizontal crystallizer for stating vertical crystallizer be connected, the centrifuge and vertical crystallizer it
Between be connected with magma pump, crystal seed reflux pump is connected between the outlet of the entrance of Horizontal crystallizer and vertical crystallizer.
2. the equipment of continuous crystallisation according to claim 1 production glucose, it is characterised in that the falling film evaporator is
Triple effect falling film evaporator.
3. a kind of preparation technology of continuous crystallisation production glucose, it is characterised in that use horizontal crystallizer and vertical crystallizer string
Connection operation continuous crystallisation.
4. the technique of continuous crystallisation production glucose according to claim 3, it is characterised in that technical process is as follows, by sugar
Liquid is concentrated by evaporation to DS72-75% and DE93-95% syrup by falling film evaporator and is heated to 90-95 DEG C of sterilization through heat exchanger,
Then Horizontal crystallizer is sent to after being cooled to 42-45 DEG C, Horizontal crystallizer cools syrup by the cooling water of chuck and axle cold
But to 40 DEG C of recyclings, syrup enters vertical crystallizer after crystallizing 8 hours, is crystallized through 48 hours, the control of massecuite outlet temperature
Discharge after reaching 22-24 DEG C, be pumped into from a massecuite part for crystalliser feet discharge with massecuite in the feed well of centrifuge,
Another part passes through crystal seed backflow pump reflux crystal seed to horizontal crystallizer.
5. the technique of continuous crystallisation production glucose according to claim 4, it is characterised in that in the vertical crystallizer
There is three-layer disc pipe in portion.
6. the technique of continuous crystallisation production glucose according to claim 4, it is characterised in that the horizontal crystallizer enters
Stream amount is 3.5m3/ h, crystal seed backflow pump discharge is 0.3m3/ h, discharging flow 3.8m3/h。
7. the technique of continuous crystallisation production glucose according to claim 4, it is characterised in that the vertical crystallizer enters
Stream amount 3.2m3/ h, discharging flow 3.4m3/ h, crystal seed return flow 0.2m3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711118865.8A CN107746900A (en) | 2017-11-14 | 2017-11-14 | Continuous crystallisation equipment and technique in a kind of glucose production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711118865.8A CN107746900A (en) | 2017-11-14 | 2017-11-14 | Continuous crystallisation equipment and technique in a kind of glucose production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107746900A true CN107746900A (en) | 2018-03-02 |
Family
ID=61252180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711118865.8A Pending CN107746900A (en) | 2017-11-14 | 2017-11-14 | Continuous crystallisation equipment and technique in a kind of glucose production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107746900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251998A (en) * | 2018-11-19 | 2019-01-22 | 潍坊盛泰药业有限公司 | A kind of particle glucose production method |
| CN111763778A (en) * | 2020-07-03 | 2020-10-13 | 西安航天华威化工生物工程有限公司 | Multi-level automatic temperature control method for vertical crystallizer set in glucose crystallization process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278603A (en) * | 1993-06-01 | 1994-12-07 | Cargill Plc | Spray drying |
| CN101109021A (en) * | 2006-07-22 | 2008-01-23 | 山东西王糖业有限公司 | Horizontal continuous crystallization method adopting return current technique |
| CN103540691A (en) * | 2013-09-29 | 2014-01-29 | 山东西王糖业有限公司 | Crystallization process of crystalline fructose |
| CN106350615A (en) * | 2016-08-31 | 2017-01-25 | 河北绿诺食品有限公司 | Method for preparing high-purity fruit fructose |
-
2017
- 2017-11-14 CN CN201711118865.8A patent/CN107746900A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278603A (en) * | 1993-06-01 | 1994-12-07 | Cargill Plc | Spray drying |
| CN101109021A (en) * | 2006-07-22 | 2008-01-23 | 山东西王糖业有限公司 | Horizontal continuous crystallization method adopting return current technique |
| CN103540691A (en) * | 2013-09-29 | 2014-01-29 | 山东西王糖业有限公司 | Crystallization process of crystalline fructose |
| CN106350615A (en) * | 2016-08-31 | 2017-01-25 | 河北绿诺食品有限公司 | Method for preparing high-purity fruit fructose |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251998A (en) * | 2018-11-19 | 2019-01-22 | 潍坊盛泰药业有限公司 | A kind of particle glucose production method |
| CN111763778A (en) * | 2020-07-03 | 2020-10-13 | 西安航天华威化工生物工程有限公司 | Multi-level automatic temperature control method for vertical crystallizer set in glucose crystallization process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103159194B (en) | Continuous crystallization process for monopotassium phosphate | |
| CN209286707U (en) | Device for evaporative crystallization | |
| CN102430261B (en) | Continuous cooling crystallizer | |
| CN105797422A (en) | Citric acid continuous cooling crystallization system and method thereof | |
| CN204485354U (en) | A kind of evaporated crystallization device to ammonium chloride when producing potassium nitrate | |
| CN104692415A (en) | Evaporative crystallization method of ammonium chloride in potassium nitrate production | |
| CN107746900A (en) | Continuous crystallisation equipment and technique in a kind of glucose production | |
| CN109173329A (en) | Device for evaporative crystallization | |
| CN102924285A (en) | Preparation method of dimethyldiallylammonium chloride | |
| CN105435482B (en) | A kind of multi-stage vacuum adiabatic flash continuous crystallisation process and equipment | |
| CN108726578A (en) | Ferrous sulfate continuous crystallisation technique in a kind of production of sulfate process titanium dioxide | |
| CN203196371U (en) | Continuous potassium dihydrogen phosphate crystallization device | |
| CN104030261A (en) | A production method of high-purity electronic grade phosphoric acid | |
| CN1027963C (en) | Parametric pump fractional crystallization method and PFC crystallizer | |
| CN110870984A (en) | Continuous crystallizer and continuous crystallization process thereof | |
| CN102795609A (en) | Apparatus for producing high purity electronic grade phosphoric acid | |
| CN201244377Y (en) | Fractional crystallization device | |
| CN102120609B (en) | Dynamic crystallization technological method and device for stannous chloride solution | |
| CN208626655U (en) | A kind of crystallization apparatus | |
| CN205965090U (en) | Combined type barium sulfate crystallization device | |
| CN114405049A (en) | System and method for crystallizing and purifying high-concentration lactic acid | |
| CN104645660B (en) | Continuous flow upstream fractional crystallization method and apparatus | |
| CN205235452U (en) | Crystallization kettle | |
| CN205549661U (en) | Citric acid cools off crystal system in succession | |
| CN206103397U (en) | Adipic acid purification crystallization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |