CN104611474A - Sugar-manufacturing single-layer precipitator control system - Google Patents
Sugar-manufacturing single-layer precipitator control system Download PDFInfo
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- CN104611474A CN104611474A CN201510030776.2A CN201510030776A CN104611474A CN 104611474 A CN104611474 A CN 104611474A CN 201510030776 A CN201510030776 A CN 201510030776A CN 104611474 A CN104611474 A CN 104611474A
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/005—Purification of sugar juices using chemicals not provided for in groups C13B20/02 - C13B20/14
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Abstract
The invention relates to a sugar-manufacturing single-layer precipitator control system. The sugar-manufacturing single-layer precipitator control system comprises a precipitator and a control system, wherein a clear juice output pipeline is arranged at the upper part of the precipitator, and a mud juice output pipeline is arranged at the bottom of the precipitator; the control system comprises a liquid level sensor capable of testing and sensing the liquid level height of the precipitator, a clear juice regulating valve capable of controlling the flow rate of clear juice, and a controller for regulating the effective flow area of the regulating valve according to the liquid level feedback of the liquid level sensor; the controller realizes the control over liquid level height by regulating the opening of the clear juice regulating valve and then controls the hydraulic retention time of cane juice in the precipitator. The sugar-manufacturing single-layer precipitator control system can realize stepless control of sulphitation and neutralization reaction time, so that the hydraulic retention time is maintained in a certain range value, the clear efficiency of the cane juice is improved, and then the quality of the clear juice is guaranteed.
Description
[technical field]
The present invention relates to the solid-liquid separating equipment field of sugar refinery syrup suspension, espespecially a kind of sugaring single-layer settler Controlling System.
[background technology]
Settling vessel, as the solid-liquid separating equipment in Closed Circulation in Sugar Production, plays an important role aborning, and clear juice quality has extreme influence to white sugar quality, boiling house recovery.Existing settler design mainly considers solid-liquid separation function, as long as even if the clear juice namely after solid-liquid separation is limpid brightly reach production standard, do not fully take into account the effect of settling vessel in sucrochemistry reaction.
Sulfurous method clarification process mainly relies on sulfurous gas and lime reaction, and the calcium sulfite formed by both to be adsorbed the impurity in sugarcane juice and forms solid particulate matter, and particulate matter precipitates in settling vessel, realizes being separated of clear juice and particulate matter.The production link adding sulfurous gas and lime in sugarcane juice is called Sulphitation and Neutralization, and the sugarcane juice temperature in this stage controls usually between 55-65 DEG C.Sugarcane juice after Sulphitation and Neutralization is heated about 100 DEG C, adds flocculation agent, and be sent directly into settling vessel precipitation, impurity particle is simmer down to mud juice in settling vessel, sends into vacuum filter without cloth and filters.Clear juice is fed to evaporating pot, simmer down to syrup.
Sulphitation and Neutralization link on Closed Circulation in Sugar Production impact great, to quality product and and boiling house recovery have critical impact.Because sugarcane juice temperature during Sulphitation and Neutralization is lower, chemical reaction velocity is slower, and temperature is elevated to about 100 DEG C when entering settling vessel, chemical reaction velocity is sharply accelerated, therefore, Sulphitation and Neutralization reaction is in fact carry out in settling vessel, and namely the hydraulic detention time of sugarcane juice in settling vessel is actually the Sulphitation and Neutralization reaction times.
Due to sugarcane quality by kind, planting patterns, weather, cut the factors such as the period of storage after fortune impact larger, when Closed Circulation in Sugar Production, need according to the change of sugarcane raw material, the adjustment Sulphitation and Neutralization reaction times, and in current Closed Circulation in Sugar Production, due to settling vessel functional design defect, make to lack Sulphitation and Neutralization reaction times effective control device during production.
Existing single-layer settler in design majority only arranges one and goes out juice layer, and liquid level is unadjustable, and therefore when entering juice flow and being constant, its hydraulic detention time is unadjustable.The changing multilayer into go out juice for the individual layer of single-layer settler to be gone out juice by a kind of liquid level adjustable type sugar juice single-layer settling system shown in 200920164721.0 as China Patent No. of contriver's application, although improve to some extent to this, but liquid level only can be adjusted to regularly and fixing goes out juice layer, namely the stepped control of hydraulic detention time can only be realized, liquid level step-less adjustment can not be realized, make the process control means having lacked a kind of key in production.
[summary of the invention]
For the variety of problems faced described in background technology, the object of the present invention is to provide a kind of sugaring single-layer settler Controlling System, by the hydraulic detention time regulating the quantity discharged of the clear juice height of liquid level come in control settlement device can control sugarcane juice, thus realize the stepless control in Sulphitation and Neutralization reaction times, hydraulic detention time is made to remain in certain limit value, improve the quiet efficiency of sugarcane juice, and then ensure clear juice quality.
For achieving the above object, the present invention's technical scheme that single-layer settler Controlling System adopts of refining sugar is: a kind of sugaring single-layer settler Controlling System 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 of clear juice uninterrupted can be controlled, and according to the controller that the valid circulation area of liquid level feedback to clear juice variable valve of liquid level sensor regulates, 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.
In technique scheme, by the comparison calculation of controller by Level Detection value and set(ting)value, when liquid level is higher than set(ting)value, increase the aperture of clear juice variable valve, reduce liquid level, reduce the hydraulic detention time of sugarcane juice in settling vessel; When liquid level is lower than set(ting)value, reduce the aperture of clear juice variable valve, raise liquid level, increase the hydraulic detention time of sugarcane juice in settling vessel.Thus by arranging and keeping liquid level to control roughly the object of hydraulic detention time.
Due to when entering juice amount and constant liquid level, mud juice flow and clear juice flow inversely, are and make constant liquid level, and mud juice flow increases, and clear juice flow must reduce, and vice versa.And mud juice concentration and mud juice flow are inversely, too low or too high mud juice concentration can affect filtration device and run, therefore, the technical program is set up in the controls further and can be tested the concentration sensor of induction mud juice concentration, the mud juice variable valve of adjustable mud juice uninterrupted.Can ensure, under the prerequisite that filtration device normally works, to control hydraulic detention time, solve the contradictory problems of mud juice concentration and Liquid level target like this.
Set up in the controls further and can monitor the under meter that settling vessel enters juice amount the technical program is optimized, juice data on flows will be entered by under meter to gather, thus calculate a level value according to the area of settling vessel, volume data, again by regulating clear juice control valve opening to adjust the level value controlled in this computing, reach the object controlling hydraulic detention time.
In order to add flocculation dosage in proportion according to entering juice flow, ensure clear juice effect and filtration device working efficiency, the technical program sets up flocculation agent variable valve, under meter in the controls, under meter will enter juice flow and send controller to, and controller regulates the aperture of flocculation agent variable valve to carry out completed percentage interpolation flocculation dosage again.
The present invention has following beneficial effect:
1. the present invention is by excavating the technique intension of settling vessel in sugar clarification process, settling vessel is expanded to chemical reactor function by solid-liquid separation function, to realize Sulphitation and Neutralization reaction times step-less adjustment, for Closed Circulation in Sugar Production management provides new process control means, in sulfurous method Closed Circulation in Sugar Production, there is very important meaning.
2. because the hydraulic detention time of sugarcane juice in settling vessel can be controlled by mud juice output and clear juice output, how handling triangular relation well, is design the problem that must solve.
Mud juice concentration is huge to filtration device work influence, and mud juice concentration and the mud juice concentration time in settling vessel is directly proportional, and is inversely proportional to mud juice flow.Namely by increasing or reducing mud juice delivery flow, shorten or increase the mud juice concentration time of mud juice in settling vessel, adjustment mud juice concentration.
Existing filtration device lacks mud juice concentration on-line monitoring, observes mud layer situation on filtration device and mud juice flow is decided in mud juice tank liquor position by artificial visually examine, higher to operative employee's skill requirement.The present invention utilizes the corresponding relation between mud juice concentration and mud juice flow, controlling mud juice flow, can stablize filtration device work better than Artificial Control by controlling mud juice concentration.Under the prerequisite of stable filtration device work, then controlling hydraulic detention time by controlling clear juice valve, solving the contradiction between filtration device work and hydraulic detention time two control objectives, all there is good result to mud juice filtration and Sulphitation and Neutralization reaction.
3. flocculation agent addition affects great on effect of settling and mud juice filtration, and the ratio that usual flocculation agent is added on sugarcane juice is 2-4ppm.When flocculation agent addition very little, cause sedimentation difficulty, the scum silica frost in clear juice is many; And addition is excessive, the flocculation agent in mud juice is residual many, causes vacuum filter without cloth work efficiency drop.Therefore, prioritization scheme of the present invention realizes ratio control according to entering juice amount to flocculation agent addition, thus ensures effect of settling and mud juice filtration effect.
Your juror all can there be further understanding and understanding to object of the present invention, shape, structure, feature and effect thereof for ease of, and elaborate in conjunction with the embodiments.
[accompanying drawing explanation]
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the structural representation of second embodiment of the invention;
Fig. 3 is the structural representation of third embodiment of the invention.
The drawing reference numeral of embodiment illustrates:
| Settling vessel 1 | Clear juice output channel 11 | Mud juice output channel 12 |
| Flocculation reactor 2 | Loose gas tank 3 | Controlling System 4 |
| Controller 41 | Mud juice variable valve 42 | Mud juice concentration sensor 43 |
| Clear juice variable valve 44 | Liquid level sensor 45 | Under meter 46 |
| Flocculation agent variable valve 47 | Cross juice pipe 5 | Sugarcane juice inlet duct 6 |
| Flocculation agent feeding tube 7 | Flocculation agent storage tank 8 |
[embodiment]
Below in conjunction with the drawings and specific embodiments, the present invention's single-layer settler Controlling System of refining sugar is described further.
Please refer to Fig. 1, for the first embodiment of the present invention, the present embodiment takes the technique means arranging controller 41, clear juice variable valve 44 and liquid level sensor 45 in Controlling System 4, thus detect liquid level information according to liquid level sensor 45 and send controller 41 to, controller 41 is contrasted computing by detected value and set(ting)value and is regulated clear juice variable valve 44 aperture to control height of liquid level, be reached through and arrange and keep liquid level to control roughly the object of hydraulic detention time, realize the step-less adjustment to the Sulphitation and Neutralization reaction times.
The structure of the present embodiment is made up of the controller 41 in settling vessel 1, flocculation reactor 2, loose gas tank 3, Controlling System 4 and Controlling System 4, clear juice variable valve 44, liquid level sensor 45.Settling vessel 1 top is provided with juice output channel 11 clearly, and bottom is provided with mud juice output channel 12, and clear juice variable valve 44 is arranged on clearly on juice output channel 11.Flocculation reactor 2 passed through juice pipe 5 and was connected to settling vessel 1 side, and flocculation reactor 2 side is connected with sugarcane juice inlet duct 6.Loose gas tank 3 is connected with flocculation reactor 2 by sugarcane juice inlet duct 6.
The present embodiment is for daily squeezed quantity 7000 tons of sugar refinery practical situation, and the diameter of settling vessel 1 is 10 meters.Arrange in controller 41 residence time be 50min, to enter juice amount be 4.86m
3/ min, sugarcane juice liquid level are 2.3 meters.
When liquid level sensor 45 survey liquid level be 2.5 meters higher than setting liquid level 2.3 meters time, liquid level sensor 45 sends detected value to controller 41, liquid level difference 0.2 meter is generated control signal by comparison calculation and increases clear juice variable valve 44 aperture by controller 41, improves clear juice flow and liquid level is down to set(ting)value 2.3 meters.
When liquid level sensor 45 survey liquid level be 2.1 meters lower than setting liquid level 2.3 meters time, liquid level sensor 45 sends detected value to controller 41, liquid level difference 0.2 meter is generated control signal by comparison calculation and reduces clear juice variable valve 44 aperture by controller 41, reduces clear juice flow and liquid level is risen to set(ting)value 2.3 meters.
Please refer to Fig. 2, is the second embodiment of the present invention, and the present embodiment is the further optimization to the first embodiment, and the difference of itself and the first embodiment is: in Controlling System 4, set up under meter 46.Carry out monitoring by under meter 46 to entering juice flow, thus according to entering juice data on flows adjustment liquid level, reaching control hydraulic detention time, realizing the step-less adjustment to the Sulphitation and Neutralization reaction times.
The structure of the present embodiment is made up of the controller 41 in settling vessel 1, flocculation reactor 2, loose gas tank 3, Controlling System 4 and Controlling System 4, clear juice variable valve 44, liquid level sensor 45 and under meter 46.Settling vessel 1 top is provided with juice output channel 11 clearly, and bottom is provided with mud juice output channel 12, and clear juice variable valve 44 is arranged on clearly on juice output channel 11.Flocculation reactor 2 passed through juice pipe 5 and was connected to settling vessel 1 side, and flocculation reactor 2 side is connected with sugarcane juice inlet duct 6.Loose gas tank 3 is connected with flocculation reactor 2 by sugarcane juice inlet duct 6.Under meter 46 is located at sugarcane juice inlet duct 6 and connects on the front end, junction of flocculation agent feeding tube 7.Certainly, under meter 46 also can be located at loose gas tank 3 ingress.
The present embodiment is for daily squeezed quantity 7000 tons of sugar refinery practical situation, and the diameter of settling vessel 1 is 10 meters.In controller 41, arrange the residence time is 50min, and entering juice amount is 4.86m
3/ min, sugarcane juice liquid level is 2.3 meters.
0.3m is increased into juice flow when under meter 46 monitors
3namely/min enters juice quantitative change and turns to 5.16m
3during/min, when control 50 minutes residence time constant, the level set value that controller 41 makes new advances according to the area of settling vessel 1, volume data computing is 2.48 meters.Liquid level sensor 45 sends detected value to controller 41, and result is generated control signal by computing and reduces clear juice variable valve 44 aperture by controller 41, liquid level is adjusted to 2.48 meters.
0.3m is reduced into juice flow when under meter 46 monitors
3namely/min enters juice quantitative change and turns to 4.56m
3during/min, when control 50 minutes residence time constant, the level set value that controller 41 makes new advances according to the area of settling vessel 1, volume data computing is 2.12 meters.Liquid level sensor 45 sends detected value to controller 41, and result is generated control signal by computing and increases clear juice variable valve 44 aperture by controller 41, liquid level is adjusted to 2.12 meters.
Please refer to Fig. 3, for the third embodiment of the present invention, the present embodiment is the further optimization to the second embodiment, can control hydraulic detention time simultaneously, flocculation agent adds and mud juice concentration, the difference of itself and the second embodiment is: in Controlling System 4, set up mud juice variable valve 42, mud juice concentration sensor 43 and flocculation agent variable valve 47.Set up mud juice variable valve 42, the object of mud juice concentration sensor 43 preferentially ensures mud juice concentration, under stablizing the prerequisite of filtration device work, realizing controlling hydraulic detention time by adjusting clear juice variable valve 44 flow again, realizing the step-less adjustment to the Sulphitation and Neutralization reaction times; The object of setting up flocculation agent variable valve 47 is monitored into juice flow by under meter 46 thus regulates flocculation agent variable valve 47 aperture to add flocculation dosage in proportion, ensures clear juice effect and filtration device working efficiency.
The structure of the present embodiment is made up of the controller 41 in settling vessel 1, flocculation reactor 2, loose gas tank 3, Controlling System 4 and Controlling System 4, clear juice variable valve 44, liquid level sensor 45, under meter 46, mud juice variable valve 42, mud juice concentration sensor 43 and flocculation agent feeding tube 7.Settling vessel 1 top is provided with juice output channel 11 clearly, bottom is provided with mud juice output channel 12, clear juice variable valve 44 is arranged on clearly on juice output channel 11, mud juice variable valve 42 is arranged on mud juice output channel 12, and is provided with mud juice concentration sensor 43 on the mud juice output channel 12 of mud juice variable valve 42 rear end.Flocculation reactor 2 passed through juice pipe 5 and was connected to settling vessel 1 side, and flocculation reactor 2 side is connected with sugarcane juice inlet duct 6.Loose gas tank 3 is connected with flocculation reactor 2 by sugarcane juice inlet duct 6.The flocculation agent feeding tube 7 of the rear end of flocculation agent variable valve 47 is provided with under meter 46, and is connected with flocculation agent storage tank 8 above flocculation agent feeding tube 7.Certainly, the under meter 46 on flocculation agent feeding tube 7 also can not be established; Under meter 46 on flocculation agent feeding tube 7 and flocculation agent variable valve 47 also can replace to volume pump.
The present embodiment is for daily squeezed quantity 7000 tons of sugar refinery practical situation, and sugarcane juice flow is 4.86m
3/ min.
Under meter 46 pairs of sugarcane juice flows carry out on-line measurement, by sugarcane juice flow 4.86m
3when/min feeds back to controller 41, controller 41 calculates (sugar refinery routine adds 2-4ppm, flocculation agent dilution 0.1% or 0.05%) according to the addition of 2ppm.When flocculation agent diluent concentration is 0.1%, 4.86m
3sugarcane juice need add flocculation agent diluent be 0.00972m
3(and 9.72 liters of diluents).Operation result production burst signal increase flocculation agent variable valve 47 aperture is 40% flow by controller 41 is 0.00972m
3/ min (note: this valve flow characteristic aperture 40% under certain constant pressure is 0.00972m
3/ min).Complete flocculation agent ratio and add control, enter flocculation reactor.
Sugarcane juice in flocculation reactor 2 enters settling vessel 1, and the diameter of settling vessel 1 is 10 meters, and in controller 41, arrange the residence time is 50min, and entering juice amount is 4.86m
3/ min, mud juice concentration is Brix 20%.When the concentration value Brix 25% that mud juice concentration sensor 43 detects mud juice is higher than concentration set point, concentration difference Brix 5% is generated control signal by comparison calculation and increases the aperture regulating mud juice variable valve 42 by controller 41, is down to set(ting)value Brix 20 by improving mud juice flow reduction mud juice concentration; When the concentration value that mud juice concentration sensor 43 detects mud juice be Brix 15% lower than concentration set point time, concentration difference Brix 5% is generated the aperture that control signal reduces to regulate mud juice variable valve 42 by comparison calculation by controller 41, is Brix 20% by reducing mud juice flow increase mud juice concentration to set(ting)value.
Juice flow increase 0.3m is entered when under meter 46 monitors settling vessel 1
3namely/min enters juice quantitative change and turns to 5.16m
3during/min, when control 50 minutes residence time constant, the level set value that controller 41 makes new advances according to the area of settling vessel 1, volume data computing is 2.48 meters.Liquid level sensor 45 sends detected value to controller 41, and result is generated control signal by computing and reduces clear juice variable valve 44 aperture by controller 41, liquid level is adjusted to 2.48 meters.
Juice flow reduction 0.3m is entered when under meter 46 monitors settling vessel 1
3namely/min enters juice quantitative change and turns to 4.56m
3during/min, when control 50 minutes residence time constant, the level set value that controller 41 makes new advances according to the area of settling vessel 1, volume data computing is 2.12 meters.Liquid level sensor 45 sends detected value to controller 41, and result is generated control signal by computing and increases clear juice variable valve 44 aperture by controller 41, liquid level is adjusted to 2.12 meters.
By above-mentioned measure, can control at 2ppm by flocculation agent addition, it is 50 minutes that hydraulic detention time controls, and mud juice concentration controls at Brix 20%.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is also not used to limit patent claim of the present invention, the equal change completed under technical spirit suggested by all the present invention or modification are changed, and all should belong to the present invention and contain the scope of the claims.
Claims (8)
1. sugaring single-layer settler Controlling System, it is characterized in that: comprise 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.
2. sugaring single-layer settler Controlling System as claimed in claim 1, it is characterized in that: controller, by the comparison calculation of Level Detection value and set(ting)value, when liquid level is higher than set(ting)value, increases the aperture of clear juice variable valve, reduce liquid level, reduce the hydraulic detention time of sugarcane juice in settling vessel; When liquid level is lower than set(ting)value, reduce the aperture of clear juice variable valve, raise liquid level, increase the hydraulic detention time of sugarcane juice in settling vessel.
3. sugaring single-layer settler Controlling System as claimed in claim 2, it is characterized in that: Controlling System also comprises can monitor the under meter that settling vessel enters juice amount, controller will enter juice amount and carry out data gathering, regulate liquid level to control hydraulic detention time according to data on flows.
4. sugaring single-layer settler Controlling System as claimed in claim 1, is characterized in that: Controlling System also comprises can test the concentration sensor of induction mud juice concentration, the mud juice variable valve of adjustable mud juice uninterrupted; The mud juice concentration feedback that collects is given described controller by mud juice concentration sensor, Concentration Testing value and set(ting)value are compared by controller, mud juice concentration is lower than set(ting)value, reduce the aperture of mud juice variable valve, mud juice flow is reduced, and then extend the enrichment time of mud juice in settling vessel, improve mud juice concentration; Mud juice concentration, higher than set(ting)value, increases the aperture of mud juice variable valve, mud juice flow is increased, and then reduces the enrichment time of mud juice in settling vessel, reduces mud juice concentration.
5. sugaring single-layer settler Controlling System as claimed in claim 1, it is characterized in that: this sedimenting system also comprises flocculation reactor, flocculation reactor passed through juice pipe and was connected to settling vessel side, flocculation reactor side is connected with sugarcane juice inlet duct and flocculation agent feeding tube, and flocculation agent feeding tube is communicated with sugarcane juice inlet duct.
6. the sugaring single-layer settler Controlling System as described in claim 1 and 2 and 5, is characterized in that: described Controlling System also comprises flocculation agent variable valve; Under meter is located at sugarcane juice inlet duct and connects on the front end, junction of flocculation agent feeding tube, and flocculation agent variable valve is located on flocculation agent feeding tube; Under meter, by carrying out flow detection to the sugarcane juice entering settling vessel, sends flow information to controller, and controller adds flocculation agent in proportion according to total flux value, when sugarcane juice flow becomes large, increases the aperture of flocculation agent variable valve, flocculation agent flow is increased; When sugarcane juice flow diminishes, reduce the aperture of flocculation agent variable valve, flocculation agent flow is reduced.
7. sugaring single-layer settler Controlling System as claimed in claim 6, is characterized in that: under meter also can be located at loose gas tank ingress or connect crossing on juice pipe between flocculation reactor and settling vessel.
8. the sugaring single-layer settler Controlling System as described in claim 1 and 5, is characterized in that: this sedimenting system also comprises loose gas tank, loose gas tank is arranged on the last operation of flocculation reactor.
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| CN201510030776.2A CN104611474A (en) | 2015-01-21 | 2015-01-21 | Sugar-manufacturing single-layer precipitator control system |
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|---|---|---|---|
| CN201510030776.2A CN104611474A (en) | 2015-01-21 | 2015-01-21 | Sugar-manufacturing single-layer precipitator control system |
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| CN201510030776.2A Pending CN104611474A (en) | 2015-01-21 | 2015-01-21 | Sugar-manufacturing single-layer precipitator control system |
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| CN105274260A (en) * | 2015-11-12 | 2016-01-27 | 南宁糖业股份有限公司 | Constant flow control system for flow of mixed juice and neutralized juice in sulfitation process |
| CN105779662A (en) * | 2016-04-29 | 2016-07-20 | 广西农垦糖业集团良圻制糖有限公司 | Device for fast sedimentation of filtered juice of sugar refinery and control method of device |
| CN106422879A (en) * | 2016-12-14 | 2017-02-22 | 钦州华成自控设备有限公司 | Automatic flocculant solution preparing and quantitative adding system for sugar refinery and operating method thereof |
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| CN105779662A (en) * | 2016-04-29 | 2016-07-20 | 广西农垦糖业集团良圻制糖有限公司 | Device for fast sedimentation of filtered juice of sugar refinery and control method of device |
| CN106422879A (en) * | 2016-12-14 | 2017-02-22 | 钦州华成自控设备有限公司 | Automatic flocculant solution preparing and quantitative adding system for sugar refinery and operating method thereof |
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