CN105274260A - Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process - Google Patents
Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process Download PDFInfo
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- CN105274260A CN105274260A CN201510771879.4A CN201510771879A CN105274260A CN 105274260 A CN105274260 A CN 105274260A CN 201510771879 A CN201510771879 A CN 201510771879A CN 105274260 A CN105274260 A CN 105274260A
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Abstract
The invention discloses a constant flow control system for flow of mixed juice and neutralized juice in a sulfitation process. The constant flow control system comprises a neutralizer, a constant flow control module, a neutralized juice tank and the like; the input end of the constant flow control module is in data connection with a pressure gauge, a neutralized juice backflow flowmeter, a neutralized juice tank liquidometer, a mixed juice tank liquidometer, a neutralized juice flowmeter and a mixed juice flowmeter, and the output end of the constant flow control module is in data connection with a neutralized juice backflow regulating valve, a neutralized juice regulating valve and a mixed juice regulating valve; the constant flow control module regulates the opening degree of the neutralized juice backflow regulating valve, the neutralized juice regulating valve and the mixed juice regulating valve through feedback of the output end according to input signals of the input end, the flow of the mixed juice and the neutralized juice is regulated in a balanced mode, therefore, a mixed juice tank is prevented from being pumped off, and it is guaranteed that the sulfitation strength meets the production requirements.
Description
Technical field
The present invention relates to sugaring Controlling System, be specifically related to a kind of sugaring process sulfite method mixing juice, defeco-sulfitated juice flow Constant Current Control System.
Background technology
In sulfurous method sugar refining technology, Sulphitation and Neutralization is an important procedure of its production process, intensity of sulfitation is the main factor affecting sulfurous method clarifying effect, improve intensity of sulfitation, the calcium sulfite precipitation capacity generated increases and can adsorb and removes comparatively polychrom and other impurity, and clear juice calcium content and ash content reduce, and colloidal content also reduces to some extent, also higher to the removing of phenolic material, clear juice color and luster is more shallow.But intensity of sulfitation has a significant impact the sedimentary form of producing, when sugarcane juice intensity of sulfitation is lower than 10cc, the condensation product mainly calcium phosphate precipitation generated after adding ash heating, calcium sulfite is few, sedimentable matter is few, clarifying effect is poor, when intensity of sulfitation is very different more than situation during 15cc, now calcium sulfite crystal is distributed more widely, crystal and agglomerate compact siro spinning technology, the thicker and compacted mass of throw out, but calcium sulfite increases, commerieal sugar sulphur content may be caused too high, the quality of impact sugar.
At present, most of sugar refinery is due to unstable when mixed juice amount fluctuation makes the material sprayed spray; There is the fierceness change of pressure and flow instantaneous, stable suction sulphur negative pressure can not be formed, therefore SO
2absorption also there will be fierce sudden change, can not get stable stove drying effect, thus do not reach the object of stove drying, the throw out of generation is shaky, mud juice suction strainer situation is undesirable; In making simultaneously and time milk of lime amount used increase, affect the consumption of whole Closed Circulation in Sugar Production working ability, quality product and supplementary material, equally, due to the fluctuation of defeco-sulfitated juice amount, make second-heating difficult control of temperature, compliance rate does not reach processing requirement, and what affect settling tank puts juice, finally affects quality, withdrawal etc.
Simultaneously, defeco-sulfitated juice quantity of reflux is by Artificial Control, and the personal experience only by scale and operative employee judges to control, and does not slightly note observing or occurring hysteretic operation, all directly cause the mixing juice amount unusual fluctuations entering neutralizer, mixed juice case time serious, can be caused to find time.Because the mixing juice amount entering neutralizer is unstable, cause production aspect and occur following fluctuation: 1, and intensity of sulfitation arrival rate do not reach technic index check requirements; 2, evaporate second-heating temperature fluctuation, index arrival rate does not reach operation index requirement; Because the labile factor of above two aspects affects, make at the bottom of sedimentation tank mud shaky, discharge clear juice and have some setbacks, meanwhile, make filtration device inhale mud influenced, both reduced the treatment capacity of mud juice, and reduced again the quality of filtered juice; 3, because pipeline pressure changes greatly, easily cause the explosion of pipeline connecting parts flange gasket, there is potential safety hazard.
Domestic patent database disclosed some patented technologies about mixing juice, defeco-sulfitated juice flow control system field in recent years:
Such as: patent documentation [application number] CN201510318111.1, open (bulletin) number [CN104950930A], this publication discloses " a kind of sugaring mixed juice case Controlling System ".It comprises touch-screen, industrial computer and mixing juice pump, and described industrial computer is connected with mixing juice pump by frequency transformer, and the input terminus of described industrial computer is connected with fluid level transmitter, and described mixing juice pump is provided with under meter; Described mixing juice pump has two, is connected respectively with frequency transformer; Described fluid level transmitter has two.This invention does not arrange reflux, easily occurs vaccuum phenomenon, and clear juice is of poor quality, and just controls mixing juice pump work according to liquid level signal, not according to the flow of the pressure-controlling mixing juice of neutralizer ejector, can affect efficiency and the quality of neutralization.
Such as: patent documentation [application number] CN201510030776.2, open (bulletin) number [CN104611474A], this publication discloses one " sugaring single-layer settler Controlling System ".It comprises settling vessel and Controlling System, settling vessel top is provided with juice output channel clearly, bottom is provided with mud juice output channel, Controlling System comprises the liquid level sensor testing induction settling vessel liquid level height, the clear juice variable valve that can control clear juice uninterrupted and the controller regulated according to the valid circulation area of liquid level feedback to clear juice variable valve of liquid level sensor, and controller controls by regulating the aperture of clear juice variable valve to realize height of liquid level and then controls the hydraulic detention time of sugarcane juice in settling vessel.This invention controls the Sulphitation and Neutralization reaction times according to liquid level signal, and do not arrange reflux, easily occur vaccuum phenomenon, clear juice is of poor quality.
Summary of the invention
The object of the invention is to solve the problem that the sugaring defeco-sulfitated juice flow rate fluctuation existed in prior art is large, intensity of sulfitation controls instability, a kind of sulfurous method mixing juice, defeco-sulfitated juice flow Constant Current Control System are provided, its energy reasonable adjusting mixing juice, defeco-sulfitated juice flow, keep the relatively stable of mixing juice, defeco-sulfitated juice, improve sugarcane juice purification effect, and then ensure clear juice quality.
In order to achieve the above object, the present invention solves the technical scheme that its technical problem takes and is: sulfurous method mixing juice, defeco-sulfitated juice flow Constant Current Control System comprise neutralizer, constant-current control module, neutralize juice tank, mixed juice case, defeco-sulfitated juice pump, mixing juice pump, defeco-sulfitated juice variable valve, mixing juice variable valve; Described neutralizer output channel is connected with the input channel of neutralize juice tank, and the output channel of neutralize juice tank is connected with defeco-sulfitated juice pump by defeco-sulfitated juice variable valve; Described neutralizer input channel is provided with tensimeter, and neutralizer input channel is connected with the output channel of mixing juice pump by mixing juice variable valve, and the input channel of mixing juice pump is connected with the output channel of mixed juice case; Be connected with defeco-sulfitated juice return flow meter, defeco-sulfitated juice return valve, defeco-sulfitated juice reflux pump in turn by pipeline between described neutralize juice tank and mixed juice case, in neutralize juice tank, be provided with neutralize juice tank liquidometer, in mixed juice case, be provided with mixed juice case liquidometer; The input terminus of described constant-current control module is connected with tensimeter, defeco-sulfitated juice return flow meter, neutralize juice tank liquidometer, mixed juice case liquidometer, defeco-sulfitated juice under meter, mixing juice flow meter data respectively, the output terminal of constant-current control module respectively with defeco-sulfitated juice return valve, defeco-sulfitated juice variable valve, mixing juice variable valve data cube computation, constant-current control module is according to the aperture of the input signal of input terminus by output terminal feedback regulation defeco-sulfitated juice return valve, defeco-sulfitated juice variable valve, mixing juice variable valve.
As a further improvement on the present invention, described defeco-sulfitated juice under meter is arranged on the output channel of neutralize juice tank, and mixing juice under meter is arranged on the output channel of mixed juice case.
As a further improvement on the present invention, described neutralize juice tank liquidometer can test the liquid level sensor of liquid level height in inductive neutralization juice case, and mixed juice case liquidometer can test the liquid level sensor of liquid level height in induction mixed juice case.
As a further improvement on the present invention, described constant-current control module is that PLC controls control module, by regulating, the aperture of defeco-sulfitated juice return valve, defeco-sulfitated juice variable valve, mixing juice variable valve realizes neutralize juice tank to constant-current control module, mixed juice case height of liquid level controls and then control the residence time of sugarcane juice in case, realizes the stability of flow of material.
As a further improvement on the present invention, described defeco-sulfitated juice pump is 2, the input channel of defeco-sulfitated juice pump is also connected with heating container, the input channel of each defeco-sulfitated juice pump is connected with neutralize juice tank respectively by defeco-sulfitated juice variable valve, and the output channel of each defeco-sulfitated juice pump is connected with heating container respectively by defeco-sulfitated juice variable valve.
As a further improvement on the present invention, described mixing juice pump is 2, and the input channel of each mixing juice pump is connected with mixed juice case respectively by mixing juice variable valve, the output channel of each mixing juice pump respectively by mixing juice variable valve with in and case be connected.
Sulfurous method mixing juice of the present invention, defeco-sulfitated juice flow Constant Current Control System are provided with defeco-sulfitated juice reflux pump, automatically regulate each valve by constant-current control module according to signal parameter simultaneously, reasonable adjusting mixing juice, defeco-sulfitated juice flow, effectively control pressure relatively stable of neutralize juice tank, mixed juice case liquid level, neutralizer ejector, avoid the vaccuum phenomenon that neutralize juice tank, mixed juice case occur, guarantee that intensity of sulfitation reaches production requirement and defeco-sulfitated juice second-heating temperature-stable, improve sugarcane juice purification effect, production cost is low, clear juice quality is good, energy-saving and cost-reducing.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of sulfurous method mixing juice of the present invention, defeco-sulfitated juice flow Constant Current Control System.
In figure, 1-neutralizer; 2-tensimeter; 3-constant-current control module; 4-defeco-sulfitated juice return flow meter; 5-defeco-sulfitated juice return valve; 6-neutralize juice tank liquidometer; 7-neutralize juice tank; 8-defeco-sulfitated juice reflux pump; 9-mixed juice case; 10-mixed juice case liquidometer; 11-defeco-sulfitated juice pump; 12-mixing juice pump; 13-defeco-sulfitated juice variable valve; 14-mixing juice variable valve; 15-defeco-sulfitated juice under meter; 16-mixing juice under meter; 17-heating container.
Embodiment
As shown in Figure 1, sulfurous method mixing juice of the present invention, defeco-sulfitated juice flow Constant Current Control System comprise neutralizer 1, constant-current control module 3, neutralize juice tank 7, mixed juice case 9, defeco-sulfitated juice pump 11, mixing juice pump 12, defeco-sulfitated juice variable valve 13, mixing juice variable valve 14; Described neutralizer 1 output channel is connected with the input channel of neutralize juice tank 7, and the output channel of neutralize juice tank 7 is connected with defeco-sulfitated juice pump 11 by defeco-sulfitated juice variable valve 13; Described neutralizer 1 input channel is provided with tensimeter 2, and neutralizer 1 input channel is connected with the output channel of mixing juice pump 12 by mixing juice variable valve 14, and the input channel of mixing juice pump 12 is connected with the output channel of mixed juice case 9; Defeco-sulfitated juice return flow meter 4, defeco-sulfitated juice return valve 5, defeco-sulfitated juice reflux pump 8 is connected with in turn by pipeline between described neutralize juice tank 7 and mixed juice case 9, be provided with neutralize juice tank liquidometer 6 in neutralize juice tank 7, in mixed juice case 9, be provided with mixed juice case liquidometer 10.The input terminus of described constant-current control module 3 respectively with tensimeter 2, defeco-sulfitated juice return flow meter 4, neutralize juice tank liquidometer 6, mixed juice case liquidometer 10, defeco-sulfitated juice under meter 15, mixing juice under meter 16 data cube computation, the output terminal of constant-current control module 3 respectively with defeco-sulfitated juice return valve 5, defeco-sulfitated juice variable valve 13, mixing juice variable valve 14 data cube computation, constant-current control module 3 is according to the aperture of the input signal of input terminus by output terminal feedback regulation defeco-sulfitated juice return valve 5, defeco-sulfitated juice variable valve 13, mixing juice variable valve 14.
Further illustrate as of the present invention, described neutralize juice tank liquidometer 6 can test the liquid level sensor of liquid level height in inductive neutralization juice case 7, and mixed juice case liquidometer 10 can test the liquid level sensor of liquid level height in induction mixed juice case 9.Constant-current control module 3 is PLC control control module, constant-current control module 3 controls defeco-sulfitated juice reflux pump 8 according to the liquid level signal of defeco-sulfitated juice return flow meter 4, neutralize juice tank liquidometer 6 and mixed juice case liquidometer 10, defeco-sulfitated juice return valve 5 works, and control juice uninterrupted according to the aperture of Signal Regulation defeco-sulfitated juice return valve 5, material regulates level of automation high, the vaccuum phenomenon that neutralize juice tank 7, mixed juice case 9 occur can be prevented, defeco-sulfitated juice simultaneously in neutralize juice tank 7 can be back in mixed juice case 9, improves the operability of defeco-sulfitated juice material.
Further illustrate as of the present invention, described defeco-sulfitated juice under meter 15 is arranged on the output channel of neutralize juice tank 7, and mixing juice under meter 16 is arranged on the output channel of mixed juice case 9.Constant-current control module 3 transmits the signal of returning according to tensimeter 2, neutralize juice tank liquidometer 6, mixed juice case liquidometer 10, defeco-sulfitated juice under meter 15, mixing juice under meter 16, the aperture of automatic adjustment defeco-sulfitated juice variable valve 13, mixing juice variable valve 14 realizes the balance of neutralizer 1, neutralize juice tank 7, mixed juice case 9 material, guarantees that intensity of sulfitation reaches production requirement and defeco-sulfitated juice second-heating temperature-stable.
Further illustrate as of the present invention, described defeco-sulfitated juice pump 11 is 2, the input channel of defeco-sulfitated juice pump 11 is also connected with heating container 17, the input channel of each defeco-sulfitated juice pump 11 is connected with neutralize juice tank 7 respectively by defeco-sulfitated juice variable valve 13, the output channel of each defeco-sulfitated juice pump 11 is connected with heating container 17 respectively by defeco-sulfitated juice variable valve 13, just can directly enter evaporation heating process after such defeco-sulfitated juice process, enhance productivity.
Further illustrate as of the present invention, described mixing juice pump 12 is 2, the input channel of each mixing juice pump 12 is connected with mixed juice case 9 respectively by mixing juice variable valve 14, the output channel of each mixing juice pump 12 respectively by mixing juice variable valve 14 with in and case 1 be connected.The flow of material can be regulated so more fast as required, make it to balance as soon as possible.
The operation of sulfurous method mixing juice of the present invention, defeco-sulfitated juice flow Constant Current Control System is as follows:
As shown in the figure, mixing juice directly to be entered in neutralizer 1 by mixing juice variable valve 14 by the extraction of mixing juice pump 12 and carries out sulfurous acid neutralization reaction, remove sedimentable matter, the defeco-sulfitated juice that neutralizer 1 is clarified out is flowed directly in neutralize juice tank 7, the defeco-sulfitated juice in neutralize juice tank 7 by defeco-sulfitated juice pump 11 extraction by defeco-sulfitated juice variable valve 13 directly enter in heating container 17 carry out evaporation heat.
Enter in neutralizer 1 process at mixing juice, constant-current control module 3(PLC controls) read the pressure signal of tensimeter 2, the liquid level signal of mixed juice case liquidometer 10, the flow signal of mixing juice under meter 16, according to the demand of intensity of sulfitation in the signal read and neutralizer 1, constant-current control module 3(PLC controls) output terminal output mixing juice pump 12, the fill order of mixing juice variable valve 14, and feed back to mixing juice pump 12, mixing juice variable valve 14, make it according to signal work, thus regulate the flow of mixing juice, ensure that mixing juice enters the flow of neutralizer 1 relatively stable, namely tensimeter 2 is relatively stable, to obtain stable intensity of sulfitation, reach the requirement of stable critical process index.
When constant-current control module 3(PLC controls) according to the liquid level signal of mixed juice case liquidometer 10 read mixed juice case 9 be about to find time time; constant-current control module 3(PLC controls) defeco-sulfitated juice return valve 5, defeco-sulfitated juice reflux pump 8 one exectorial signals can be fed back to; defeco-sulfitated juice reflux pump 8 is worked; and regulate the aperture of defeco-sulfitated juice return valve 5; backflow into mixed juice case 9 with the defeco-sulfitated juice quantity of reflux obtaining zone of reasonableness, to guarantee the relatively stable of mixed juice case 9 liquid level.
When constant-current control module 3(PLC controls) read neutralize juice tank 7 by when expiring or find time according to the liquid level signal of neutralize juice tank liquidometer 6, the flow signal of defeco-sulfitated juice under meter 15, constant-current control module 3(PLC controls) an exectorial signal can be fed back to defeco-sulfitated juice pump 11, defeco-sulfitated juice variable valve 13, defeco-sulfitated juice pump 11 is worked, and regulate the aperture of defeco-sulfitated juice variable valve 13, neutralize juice tank 7 is flowed out, to guarantee the relatively stable of neutralize juice tank 7 liquid level with the defeco-sulfitated juice flow obtaining zone of reasonableness.
Claims (6)
1. sulfurous method mixing juice, a defeco-sulfitated juice flow Constant Current Control System, comprises neutralizer (1), constant-current control module (3), neutralize juice tank (7), mixed juice case (9), defeco-sulfitated juice pump (11), mixing juice pump (12), defeco-sulfitated juice variable valve (13), mixing juice variable valve (14), described neutralizer (1) output channel is connected with the input channel of neutralize juice tank (7), and the output channel of neutralize juice tank (7) is connected with defeco-sulfitated juice pump (11) by defeco-sulfitated juice variable valve (13), described neutralizer (1) input channel is provided with tensimeter (2), and neutralizer (1) input channel is connected with the output channel of mixing juice pump (12) by mixing juice variable valve (14), the input channel of mixing juice pump (12) is connected with the output channel of mixed juice case (9), it is characterized in that: between described neutralize juice tank (7) and mixed juice case (9), be connected with defeco-sulfitated juice return flow meter (4), defeco-sulfitated juice return valve (5), defeco-sulfitated juice reflux pump (8) in turn by pipeline, be provided with neutralize juice tank liquidometer (6) in neutralize juice tank (7), in mixed juice case (9), be provided with mixed juice case liquidometer (10), the input terminus of described constant-current control module (3) respectively with tensimeter (2), defeco-sulfitated juice return flow meter (4), neutralize juice tank liquidometer (6), mixed juice case liquidometer (10), defeco-sulfitated juice under meter (15), mixing juice under meter (16) data cube computation, the output terminal of constant-current control module (3) respectively with defeco-sulfitated juice return valve (5), defeco-sulfitated juice variable valve (13), mixing juice variable valve (14) data cube computation, constant-current control module (3) passes through output terminal feedback regulation defeco-sulfitated juice return valve (5) according to the input signal of input terminus, defeco-sulfitated juice variable valve (13), the aperture of mixing juice variable valve (14).
2. sulfurous method mixing juice according to claim 1, defeco-sulfitated juice flow Constant Current Control System, it is characterized in that: described defeco-sulfitated juice under meter (15) is arranged on the output channel of neutralize juice tank (7), and mixing juice under meter (16) is arranged on the output channel of mixed juice case (9).
3. sulfurous method mixing juice according to claim 1, defeco-sulfitated juice flow Constant Current Control System, it is characterized in that: described neutralize juice tank liquidometer (6) can test the liquid level sensor of the interior liquid level height of inductive neutralization juice case (7), mixed juice case liquidometer (10) can test the liquid level sensor of the interior liquid level height of induction mixed juice case (9).
4. sulfurous method mixing juice according to claim 1, defeco-sulfitated juice flow Constant Current Control System, it is characterized in that: described constant-current control module (3) is PLC control control module, by regulating, the aperture of defeco-sulfitated juice return valve (5), defeco-sulfitated juice variable valve (13), mixing juice variable valve (14) realizes neutralize juice tank (7) to constant-current control module (3), mixed juice case (9) height of liquid level controls and then control the residence time of sugarcane juice in case, realizes the stability of flow of material.
5. the sulfurous method mixing juice according to any one of claim 1-4, defeco-sulfitated juice flow Constant Current Control System, it is characterized in that: described defeco-sulfitated juice pump (11) is 2, the input channel of defeco-sulfitated juice pump (11) is also connected with heating container (17), the input channel of each defeco-sulfitated juice pump (11) is connected with neutralize juice tank (7) respectively by defeco-sulfitated juice variable valve (13), and the output channel of each defeco-sulfitated juice pump (11) is connected with heating container (17) respectively by defeco-sulfitated juice variable valve (13).
6. the sulfurous method mixing juice according to any one of claim 1-4, defeco-sulfitated juice flow Constant Current Control System, it is characterized in that: described mixing juice pump (12) is 2, the input channel of each mixing juice pump (12) is connected with mixed juice case (9) respectively by mixing juice variable valve (14), the output channel of each mixing juice pump (12) respectively by mixing juice variable valve (14) with in and case (1) be connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771879.4A CN105274260A (en) | 2015-11-12 | 2015-11-12 | Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510771879.4A CN105274260A (en) | 2015-11-12 | 2015-11-12 | Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process |
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| CN105274260A true CN105274260A (en) | 2016-01-27 |
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| CN201510771879.4A Pending CN105274260A (en) | 2015-11-12 | 2015-11-12 | Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process |
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| CN201613046U (en) * | 2010-03-12 | 2010-10-27 | 南宁吉然糖业技术有限公司 | Single-layer filtered juice fast settler |
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| CN103969256A (en) * | 2014-04-24 | 2014-08-06 | 华南理工大学 | Color-sensor-based device for detecting intensity of stoving |
| CN104611474A (en) * | 2015-01-21 | 2015-05-13 | 南宁苏格尔科技有限公司 | Sugar-manufacturing single-layer precipitator control system |
| CN105063241A (en) * | 2015-07-16 | 2015-11-18 | 南宁糖业股份有限公司 | Sulfitation syrup floatation clarification process |
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2015
- 2015-11-12 CN CN201510771879.4A patent/CN105274260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201236193Y (en) * | 2008-05-05 | 2009-05-13 | 黄桂忠 | Stove drying reaction averager |
| CN201613046U (en) * | 2010-03-12 | 2010-10-27 | 南宁吉然糖业技术有限公司 | Single-layer filtered juice fast settler |
| CN202705371U (en) * | 2012-04-28 | 2013-01-30 | 梁荣复 | Mixed sugarcane juice phosphorizing liming synchronization direct proportion system |
| CN203159629U (en) * | 2013-04-12 | 2013-08-28 | 南宁苏格尔科技有限公司 | Stoving neutralization auxiliary reaction tower |
| CN103969256A (en) * | 2014-04-24 | 2014-08-06 | 华南理工大学 | Color-sensor-based device for detecting intensity of stoving |
| CN104611474A (en) * | 2015-01-21 | 2015-05-13 | 南宁苏格尔科技有限公司 | Sugar-manufacturing single-layer precipitator control system |
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