CN209685819U - Horizontal continuous sugar boiling process intelligence control system - Google Patents
Horizontal continuous sugar boiling process intelligence control system Download PDFInfo
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- CN209685819U CN209685819U CN201822084962.6U CN201822084962U CN209685819U CN 209685819 U CN209685819 U CN 209685819U CN 201822084962 U CN201822084962 U CN 201822084962U CN 209685819 U CN209685819 U CN 209685819U
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Abstract
This application discloses a kind of horizontal continuous sugar boiling process intelligence control system, which includes: control system, horizontal continuous boiling pan, condenser, seed-box and the pump for being mounted on control room or scene;Equipped with lateral or vertically and horizontally partition will be divided into several rooms in tank inside horizontal continuous boiling pan A, 2 juice steam chests of horizontal continuous boiling pan A pass through pipeline respectively and connect with condenser B, C, system refining recirculated water enters the cooling juice vapour from horizontal continuous boiling pan A of condenser by pipeline, and condensed water is flowed out from the lower section of condenser.Seed separately flows into seed-box D, E through piping, then connect respectively with pump F, G through pipeline, pumps to horizontal continuous boiling pan A through pipeline by pumping, using the vacuum in boiling pan in sugar boiling process, syrup is sucked in boiling pan and carries out growing the grain.Steam respectively enters the both ends of horizontal continuous boiling pan A through piping.
Description
Technical field
This application involves the technical field of white granulated sugar preparation, specifically horizontal continuous sugar boiling process intelligence control systems.
Background technique
Sugar industry is the basic industries of food service industry, and is that papermaking, chemical industry, fermentation, medicine, building materials, furniture etc. are a variety of
The primary industry of product, occupies an important position in national economy.
The main task for boiling sugar is that syrup (or molasses) is concentrated to certain degree of supersaturation in boiling pan, and precipitation meets
It is required that crystallization of sucrose body and crystal is brought up, be cooked into good massecuite;Mother liquor is excluded by crystallization in motion and with centrifuge, obtains matter
Measure good crystallized sugar." how cooked tank massecuite " is the topic for boiling sugared worker and should being familiar with grasping.
Vacuum is unstable necessarily to cause steam pressure unstable.If temperature changes frequently in tank, when temperature increases suddenly
Sucrose solubility increases, and the degree of supersaturation of massecuite mother liquor is with attenuating;For another example temperature reduces suddenly, and degree of supersaturation just increases rapidly
Height causes sucrose to be precipitated too fast, it is possible to generate viscous brilliant or pseudo- brilliant.If steam pressure is unstable, the evaporation rate of moisture is just
Change, the cooperation of pan feeding speed is with regard to multilated in scouring process.If feed thickness is unstable, degree of supersaturation is difficult to control, massecuite
Mother liquor is excessively dilute or overrich, can injure crystal, the danger for the crystalline substance that causes to break.For another example fruit pan feeding temperature is unstable, too low to generate viscous crystalline substance
It is excessively high then due to moment spontaneous evaporation with puppet crystalline substance, cause massecuite and tank skin in tank to hit, liquid glucose is up acutely beated, and crystal is caused
Rupture, and have the danger of sugar.Massecuite convection current is bad, or even pauses suddenly in a flash, can seriously affect the massecuite in boiling
Quality.Massecuite neglects dilute suddenly dense, tension when causing massecuite, when and it is excessively loose, keep degree of supersaturation control difficult, cause to generate frequently
Crystallite and viscous crystalline substance, interfere the growth of normal lens.If the raising of liquid glucose degree of supersaturation and crystallization rate are incompatible, will produce
It is raw pseudo- brilliant, and to be washed with water, steam is not only wasted, but also extend and boil the sugared time.
It is one of most important production link that sugar is boiled during sugaring, and traditional production model is to boil sugar using intermittent
Tank, due to be it is intermittent, boiling sugar cannot achieve continuous production, and the fluctuation such as vapour pressure is excessive, be difficult to control, and continuously boil
Sugar bowl just solves these problems, have utilization rate of equipment and installations height, production smoothing, with vapour it is balanced, save steam, be easily achieved oneself
Dynamic control is shortened and boils the sugared time, improves the quality of massecuite, the advantages that crystal grain is uniform, is replaced with continuous boiling pan and intermittent boils sugar
Tank is the inexorable trend that sugar manufacturing industry equipment updates.
But process equipment is on the one hand, if matched control system is done badly, then good process equipment well
It can not play due effect.
Summary of the invention
The purpose of the application is to provide a kind of horizontal continuous sugar boiling process intelligence control system, continuously boils specifically for horizontal
Sugar bowl and associated process equipment are required according to the control that technique produces and are invented.
The application is achieved through the following technical solutions:
A kind of horizontal continuous sugar boiling process intelligence control system, the horizontal continuous sugar boiling process intelligence control system include:
It is mounted on control system, horizontal continuous boiling pan, condenser, seed-box and the pump of control room or scene;
It is equipped with laterally inside horizontal continuous boiling pan A or vertically and horizontally partition will be divided into several rooms in tank, it is horizontal continuously to boil
2 juice steam chests of sugar bowl A pass through pipeline respectively and connect with condenser B, C, and system refining recirculated water enters condenser cooling by pipeline
Juice vapour from horizontal continuous boiling pan A, condensed water are flowed out from the lower section of condenser.
White sugar crystallizing seeds separately flow into seed-box D, E through piping, then connect respectively with pump F, G through pipeline, are passed through by pump
Pipeline pumps to horizontal continuous boiling pan A, using the vacuum in boiling pan in sugar boiling process, in syrup sucking boiling pan into
Row growing the grain.
Steam respectively enters the both ends of horizontal continuous boiling pan A through piping.
Pressure transmitter is installed respectively above 2 juice steam chests of boiling pan, detects horizontal continuous boiling pan juice steam chest
Vacuum degree;
Installation and adjustment valve, control enter the circulating water flow of condenser respectively on the circulating water pipeline for entering condenser;
On the pipeline for entering seed-box 1 and seed-box 2 switch valve is installed respectively, switches into seed-box 1 or seed-box 2
Seed flow direction;
Switch valve is installed respectively on the outlet conduit of seed-box 1 and seed-box 2, with pump F or G control from seed-box 1 or
Seed-box 2 takes out kind and arrives boiling pan;
Switch valve is installed respectively on the inlet and outlet pipeline of pump F, G, control seed selective flows through pump F or G, realizes pump F
With the function of G the using and the reserved;
Electromagnetic flowmeter is installed in the seed tube for entering boiling pan, measures the dosage of seed;
Electromagnetic flowmeter is installed on the syrup general pipeline for entering boiling pan, measures the dosage of syrup;
Electromagnetic flowmeter is installed on the hot water general pipeline for entering boiling pan, measures the dosage of hot water;
Switch valve is installed on the inlet duct at boiling pan both ends, controls the flow direction of seed;
Concentration meter is installed in the lower part of each room of boiling pan, measures the massecuite brix of each room;
The installation and adjustment valve on the general pipeline of the material and water that enter each room of boiling pan, control enters each room material and water respectively
Flow;
Switch valve is installed on the material pipe for entering each room of boiling pan, plays the role of opening or being truncated material;
Switch valve is installed on the waterpipe for entering each room of boiling pan, plays the role of opening or being truncated water;
Installation and adjustment valve, control are boiled sugared vapour pressure and are stablized respectively on the jet chimney for entering boiling pan both ends;
Fluid level transmitter is installed respectively on seed-box 1 and seed-box 2, measures liquid level;
Steam pressure transmitter is installed respectively on the jet chimney for entering boiling pan both ends;
All sensors and control valve are all connected by cable and the cabinet of control system, the letter of each sensor
Number and control valve position signal be passed to control system, control system through calculating, relatively after, issue the movement of each control valve
Signal passes to each control valve by cable, meets every technique requirement of sugar boiling process.
The control system uses DCS or PLC control system.If DCS also controls the other parts in sugar refinery, control point
It is more, DCS can be selected, the brands such as Siemens, ABB, Ai Mosheng, Honeywell, the Yokogawa of import can be selected, state can also be selected
The brands such as control in the Zhejiang of production, Hollysys, remote, Xinhua, section, difference is little in performance, horizontal continuously boils sugared portion if only controlled
Point, the PLC of Siemens S7-1200 can be selected.
Control process the following steps are included:
(1) control system according to the signal for receiving fluid level transmitter judge automatically seed-box 1 and 2 whether empty van or full
It overflows, valve is turned on the switch if empty van, if trunkful turns off the switch valve, guarantees 2 seed-boxes neither empty van nor spill-over;
(2) receiving seed-box fluid level transmitter liquid level signal in control system has certain height, steam pressure pick-up
When device has enough pressure, after receiving the instruction for starting to boil sugar, starts starting and boil sugared program;
(3) control system issues all control valves of signal-off;
(4) control system sends a signal to regulating valve, opens regulating valve, and the signal transmitted to pressure transmitter reaches technique
It is required that target value after, vacuum degree control pid loop puts into operation, keep sugar boiling process vacustat in target value;
(5) control system with seed-box first has material first to take out, pumps F, G and periodically take turns with for principle, according to seed-box level transmitting
The liquid level signal of device issues the on and off of Signal-controlled switch valve respectively and pumps the start and stop of F, G, makes white sugar crystallizing seeds continuous
Ground enters boiling pan and boils sugar;
(6) control system judges to enter the height that boiling pan reaches certain when white sugar crystallizing seeds according to the signal of flowmeter
After degree, DCS issues signal and opens steam control valve, and reaching steam pressure pid control circuit after certain value and putting into operation automatically makes to boil sugar
Steam pressure stablize in target value;
(7) valve, regulating valve are successively turned on the switch in order, are allowed syrup or molasses to enter boiling pan and are boiled sugar, DCS is according to each room
Concentration meter signal issue signal control to adjust valve aperture, stablize the massecuite brix of each room in target value;
(8) flow of control system automatic gauge flowmeter.
The advantages of the application, is:
1, when producing normal, the automation and intelligentification of unmanned intervention operation is realized, production process is maintained at preferable
On high efficiency, high-quality, low power consuming are horizontal, while the data of production process realize automatic storage, printing, upload etc., reach
The very high level of IT application is arrived, therefore, this intelligence control system can be green, the low-carbon, cycle development, raising of sugar manufacturing industry
Comprehensive benefit plays positive effect;
2, the aperture that there is system detection temperature, flow and brix to automatically control each motor-driven valve realizes that boiling pan connects automatically
It is continuous to boil sugar, the production requirement of industry spot is adapted to completely, and good accuracy is able to maintain under rugged environment;
3, system man-machine interface is friendly, and simple and clear, easy to operate, maintenance is few;
4, this system is at low cost, and consumptive material is few, and produce effects height, if the sugar manufacturing industry in China is promoted the use of, it will give entire row
Industry brings huge economic and energy saving emission reduction benefit.
Detailed description of the invention
Fig. 1 is the horizontal continuous sugar boiling process Structure of intelligent control system schematic diagram of the application;
Wherein, figure label and title are as follows: pressure transmitter 1;Regulating valve 3;Switch valve 5;Electromagnetic flowmeter 12;Concentration meter
17;Regulating valve 29;Fluid level transmitter 67;Steam pressure transmitter 70.
Specific embodiment
The application is described further with reference to the accompanying drawing.
A kind of horizontal continuous sugar boiling process intelligence control system, the horizontal continuous sugar boiling process intelligence control system include:
It is mounted on control system, horizontal continuous boiling pan, condenser, seed-box and the pump of control room or scene;
It is equipped with laterally inside horizontal continuous boiling pan A or vertically and horizontally partition will be divided into several rooms in tank, it is horizontal continuously to boil
2 juice steam chests of sugar bowl A pass through pipeline respectively and connect with condenser B, C, and system refining recirculated water enters condenser cooling by pipeline
Juice vapour from horizontal continuous boiling pan A, condensed water are flowed out from the lower section of condenser.
White sugar crystallizing seeds separately flow into seed-box D, E through piping, then connect respectively with pump F, G through pipeline, are passed through by pump
Pipeline pumps to horizontal continuous boiling pan A, using the vacuum in boiling pan in sugar boiling process, in syrup sucking boiling pan into
Row growing the grain.
Steam respectively enters the both ends of horizontal continuous boiling pan A through piping.
Pressure transmitter 1 is installed respectively above 2 juice steam chests of boiling pan;
Installation and adjustment valve 3 is distinguished on the circulating water pipeline for entering condenser;
On the pipeline for entering seed-box 1 and seed-box 2 switch valve is installed respectively, switches into seed-box 1 or seed-box 2
Seed flow direction;
Switch valve is installed respectively on the outlet conduit of seed-box 1 and seed-box 2, with pump F or G control from seed-box 1 or
Seed-box 2 takes out kind and arrives boiling pan;
Switch valve is installed respectively on the inlet and outlet pipeline of pump F, G, control seed selective flows through pump F or G, realizes pump F
With the function of G the using and the reserved;
Electromagnetic flowmeter 12 is installed in the seed tube for entering boiling pan;
Electromagnetic flowmeter is installed on the syrup general pipeline for entering boiling pan;
Electromagnetic flowmeter is installed on the hot water general pipeline for entering boiling pan;
Switch valve is installed on the inlet duct at boiling pan both ends;
Concentration meter is installed in the lower part of each room of boiling pan;
The installation and adjustment valve on the general pipeline of the material and water that enter each room of boiling pan, control enters each room material and water respectively
Flow;
Switch valve is installed on the material pipe for entering each room of boiling pan;
Switch valve is installed on the waterpipe for entering each room of boiling pan;
Installation and adjustment valve is distinguished on the jet chimney for entering boiling pan both ends;
Fluid level transmitter 67 is installed respectively on seed-box 1 and seed-box 2;
Steam pressure transmitter 70 is installed respectively on the jet chimney for entering boiling pan both ends;
All sensors and control valve are all connected by cable and the cabinet of control system, the letter of each sensor
Number and control valve position signal be passed to control system, control system through calculating, relatively after, issue the movement of each control valve
Signal passes to each control valve by cable, meets every technique requirement of sugar boiling process.
The control system uses DCS or PLC control system.If DCS also controls the other parts in sugar refinery, control point
It is more, DCS can be selected, the brands such as Siemens, ABB, Ai Mosheng, Honeywell, the Yokogawa of import can be selected, state can also be selected
The brands such as control in the Zhejiang of production, Hollysys, remote, Xinhua, section, difference is little in performance, horizontal continuously boils sugared portion if only controlled
Point, the PLC of Siemens S7-1200 can be selected.
Control process the following steps are included:
(1) control system according to the signal for receiving fluid level transmitter 67 judge automatically seed-box 1 and 2 whether empty van or full
It overflows, valve is turned on the switch if empty van, if trunkful turns off the switch valve, guarantees 2 seed-boxes neither empty van nor spill-over;
(2) receiving 67 liquid level signal of seed-box fluid level transmitter in control system has certain height, and steam pressure becomes
When device 70 being sent to have enough pressure, after receiving the instruction for starting to boil sugar, starts starting and boil sugared program;
(3) control system issues all control valves of signal-off;
(4) control system sends a signal to regulating valve, opens regulating valve, and the signal transmitted to pressure transmitter 1 reaches work
After the target value that skill requires, vacuum degree control pid loop puts into operation, and keeps sugar boiling process vacustat in target value;
(5) control system with seed-box first has material first to take out, pumps F, G and periodically take turns with for principle, according to seed-box level transmitting
The liquid level signal of device issues the on and off of Signal-controlled switch valve respectively and pumps the start and stop of F, G, makes white sugar crystallizing seeds continuous
Ground enters boiling pan and boils sugar;
(6) control system judges to reach certain when white sugar crystallizing seeds enter boiling pan according to the signal of flowmeter 12
After height, DCS issues signal and opens steam control valve, and reaching steam pressure pid control circuit after certain value and putting into operation automatically makes to boil
The steam pressure of sugar is stablized in target value;
(7) valve, regulating valve are successively turned on the switch in order, are allowed syrup or molasses to enter boiling pan and are boiled sugar, DCS is according to each room
Concentration meter 17 signal issue signal control to adjust valve aperture, stablize the massecuite brix of each room in target value;
(8) flow of control system automatic gauge flowmeter 12.
Claims (3)
1. a kind of horizontal continuous sugar boiling process intelligence control system, which is characterized in that the horizontal continuous sugar boiling process intelligent control
System includes: control system, horizontal continuous boiling pan, condenser, seed-box and the pump for being mounted on control room or scene;
Equipped with lateral or vertically and horizontally partition will be divided into several rooms, horizontal continuous boiling pan A in tank inside horizontal continuous boiling pan A
2 juice steam chests pass through pipeline respectively and connect with condenser B, C, it is cooling from crouching that system refining recirculated water by pipeline enters condenser
The juice vapour of the continuous boiling pan A of formula, condensed water are flowed out from the lower section of condenser;
White sugar crystallizing seeds separately flow into seed-box D, E through piping, then connect respectively with pump F, G through pipeline, by pumping through pipeline
Horizontal continuous boiling pan A is pumped to, using the vacuum in boiling pan in sugar boiling process, syrup is sucked in boiling pan and is supported
It is brilliant;
Steam respectively enters the both ends of horizontal continuous boiling pan A through piping.
2. horizontal continuous sugar boiling process intelligence control system according to claim 1, it is characterised in that: at 2 of boiling pan
Pressure transmitter (1) is installed respectively above juice steam chest;
On the circulating water pipeline for entering condenser respectively installation and adjustment valve (3);
On the pipeline for entering seed-box 1 and seed-box 2 switch valve (5) are installed respectively, switch into seed-box 1 or seed-box 2
Seed flow direction;
On the outlet conduit of seed-box 1 and seed-box 2 switch valve is installed respectively, is controlled with pump F or G from seed-box 1 or seed
Case 2 takes out kind and arrives boiling pan;
Switch valve is installed respectively on the inlet and outlet pipeline of pump F, G, control seed selective flows through pump F or G, realizes pump F and G mono-
With a standby function;
Electromagnetic flowmeter (12) are installed in the seed tube for entering boiling pan;
Electromagnetic flowmeter is installed on the syrup general pipeline for entering boiling pan;
Electromagnetic flowmeter is installed on the hot water general pipeline for entering boiling pan;
Switch valve is installed on the inlet duct at boiling pan both ends;
Concentration meter (17) are installed in the lower part of each room of boiling pan;
The installation and adjustment valve on the general pipeline of the material and water that enter each room of boiling pan, control enters the stream of each room material and water respectively
Amount;
Switch valve is installed on the material pipe for entering each room of boiling pan;
Switch valve is installed on the waterpipe for entering each room of boiling pan;
Installation and adjustment valve is distinguished on the jet chimney for entering boiling pan both ends;
Fluid level transmitter (67) are installed respectively on seed-box 1 and seed-box 2;
Steam pressure transmitter (70) are installed respectively on the jet chimney for entering boiling pan both ends;
All sensors and control valve are all connected by cable and the cabinet of control system, the signal of each sensor and
The position signal of control valve is passed to control system, and control system issues the movement letter of each control valve after calculating, comparing
Number, each control valve is passed to by cable, meets every technique requirement of sugar boiling process.
3. horizontal continuous sugar boiling process intelligence control system according to claim 1, it is characterised in that: the control system is adopted
With DCS or PLC control system.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109457059A (en) * | 2018-12-12 | 2019-03-12 | 中国轻工业南宁设计工程有限公司 | Horizontal continuous sugar boiling process intelligence control system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109457059A (en) * | 2018-12-12 | 2019-03-12 | 中国轻工业南宁设计工程有限公司 | Horizontal continuous sugar boiling process intelligence control system |
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