CN105664515A - Liquid treatment device control method and liquid treatment device control device - Google Patents
Liquid treatment device control method and liquid treatment device control device Download PDFInfo
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- CN105664515A CN105664515A CN201610047004.4A CN201610047004A CN105664515A CN 105664515 A CN105664515 A CN 105664515A CN 201610047004 A CN201610047004 A CN 201610047004A CN 105664515 A CN105664515 A CN 105664515A
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- 239000007788 liquid Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004821 distillation Methods 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000012141 concentrate Substances 0.000 claims description 62
- 239000012530 fluid Substances 0.000 claims description 42
- 239000011550 stock solution Substances 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 35
- 238000009834 vaporization Methods 0.000 claims description 33
- 230000008016 vaporization Effects 0.000 claims description 33
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 29
- 239000000243 solution Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009835 boiling Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 238000007738 vacuum evaporation Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a liquid treatment device control method.The liquid treatment device control method includes starting a device to enable the device to run under vacuum, opening a raw liquid supplementing valve and entering a step S103; in the step S103, judging whether or not liquid level of a solution in an evaporation chamber reaches upper liquid level within a set time T0, entering a step S104 if yes, and otherwise, shifting to a step S111 device alarming that raw materials do not reach operation liquid level; in the step S104, judging whether or not vacuum degree in a distillation and concentration tank is equal to a set value PT within a set time T1, entering a step S105 if yes, and otherwise, shifting to the step S111 device alarming, namely vacuum degree alarming.An integrated vacuum evaporative condenser is simple to operate, high in production efficiency, small in occupied space, high in automation level and capable of treating multiple kinds of materials different in boiling point and achieving unmanned operation, and average energy consumption can be reduced by about 60%.
Description
Technical field
The present invention relates to a kind of liquid handling device, specifically, relate to control method and the device of a kind of liquid handling device, belong to evaporative condenser technical field.
Background technology
In the industry such as water process, medicine, food, chemical industry, typically require and stock solution is distilled or concentrates, at present, commonly used vacuum decompression distillation equipment realizes, existing vacuum distillation equipment mainly includes evaporator and condenser etc., stock solution is by after evaporator carburation by evaporation, and condensed device condensation liquefaction, thus obtaining the high liquid of purity or the high liquid of concentration.
In the process realizing the present invention, inventor have found that existing vacuum decompression distillation equipment structure disperses, take up room big, production efficiency is low, complicated operation, it is necessary to full-time staff guards, energy consumption is high, operating cost is high, and equipment is restricted to material variety, it is impossible to be widely used in evaporative condenser and the concentration of various materials.
Summary of the invention
The problem to be solved in the present invention is for above deficiency, the control method of a kind of liquid handling device is proposed, overcome existing, material boiling point is restricted and technology production efficiency is low, the deficiency of complicated operation, after adopting the control method of the present invention, unitary fluid processes device can process the material of multiple different boiling, and simple to operate, production efficiency is high, guard without full-time staff scene, compared with similar products, comprehensive production efficiency improves more than 30%, and average energy consumption reduces about 60%.
It is a further object of the present invention to provide a kind of device implementing above control method.
For solving above technical problem, the technical scheme that the present invention takes is as follows: the control method of liquid handling device, it is characterised in that include extracting vacuum, fill material rate-determining steps.
A kind of prioritization scheme, extracting vacuum, fill material rate-determining steps include:
Starting device, vacuum equipment operates, and stock solution replenishment valve is opened simultaneously, enters step S103;
In step S103, it is judged that in vaporization chamber, whether solution level reaches liquid level in setting time T0, if it is, enter step S104, otherwise, proceeds to step S111 equipment alarm: raw material does not arrive work liquid level;
In step S104, it is judged that in distillation and concentration tank, whether vacuum is setting equal to setting value PT in time T1, if it is, enter step S105, if it does not, proceed to step S111 equipment alarm: vacuum is reported to the police.
Further, including heating, evaporation control step.
Further, heating, evaporation control step include:
Entering the rate-determining steps in distillation and concentration I stage, cooling and heating circulation system operates, subsequently into step S106;
In step S106, it is judged that in vaporization chamber, whether the temperature of solution is less than setting value TE, judge if it is, continue detection, if it is not, then enter step S107;
In step S107, cooling and heating circulation system enters constant temperature and keeps the stage.
Further, including control condensation step.
Further, control condensation step includes:
Judge within the setting value T2 time period, whether distillation and concentration tank has condensed fluid produce, if it is, enter step S110, if it does not, proceed to step S111 equipment alarm: equipment needs maintenance, not up to rated output;
In step s 110, it is judged that in vaporization chamber, whether the viscosity of solution is more than setting value VC, if it is, cooling and heating circulation system and vacuum equipment shut down, if it is not, then enter step S112;
Step S111, equipment alarm;
In step S112, it is judged that the operation time in distillation and concentration I stage whether more than setting value T3, if it is, proceed to step S113, if it is not, then S110 can be returned to;
Step S113, stops stock solution supply.
Further, including emission control step.
Further, emission control step includes:
Step S117, cooling and heating circulation system and vacuum equipment shut down, and enter the vacuum breaking rate-determining steps of distillation and concentration tank, proceed to step S118;
In step S118, it is judged that whether the vacuum in distillation and concentration tank is destroyed completely in setting time T5, if it is, proceed to step S119, if it is not, then step S111 equipment alarm can be entered: vacuum is not destroyed;
In step S119, enter concentrate discharge phase rate-determining steps, proceed to step S120;
In step S120, it is judged that whether the liquid level in concentrate catcher reaches more than the high liquid level sensor of concentrate catcher, if it is, proceed to step S111 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S121;
In step S121, it is judged that the operation time of concentrate discharge phase whether more than setting value T6, if it is, proceed to step S124;
In step S124, it may be judged whether there is the instruction that Automatic Cycle is opened, if it is, proceed to step S102, if it is not, then enter step S125;
In step S125, equipment shuts down.
Further, distillation and concentration I stage control step is: control stock solution liquid level between the highest liquid level and minimum liquid level.
Further, distillation and concentration I stage control step includes:
Starting from step S201, stock solution replenishment valve is opened, subsequently into step S202, step S204;
In step S202, it is judged that whether stock solution tank fill level reaches below minimum liquid level sensor, if it is, proceed to step S203, if it is not, then return to step S201;
In step S203, equipment enters holding state, waits that in stock solution container, stock solution is supplemented, and returns to step S202;
In step S204, persistently detection judges whether the condensed fluid produced reaches more than the highest liquid level sensor that container collected by condensed fluid, if it is, proceed to step S205, if it is not, then return to step S201;
In step S205, equipment, also into holding state, waits that condensed fluid is collected liquid level in container and reduced, returns to step S204;
Step S201 distillation and concentration I stage terminates.
Further, vacuum breaking rate-determining steps includes:
Start from step S401, enter step S402;
In step S402, it is judged that in setting value T time, whether vacuum is destroyed completely, produce to report to the police if it is not, then enter S403 equipment: vacuum is not destroyed, if it is, enter step S404, concentrate discharge phase.
Further, concentrate discharge phase rate-determining steps includes:
Detection judges more than the high the liquid level sensor whether liquid level in concentrate catcher reaches concentrate catcher, if it is, proceed to step S505 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S503;
In step S503, judge that whether the operation time of concentrate discharge phase is more than setting value T, if, then show that concentrate discharge phase terminates, S502 proceeds to step S504, if it is not, then can be returned to, continue detection and judge more than the liquid level sensor whether liquid level of concentrate reaches concentrate catcher and the operation time of concentrate discharge phase;
In step S504, according to " whether cleaning evaporative condenser ", decision device running status is set, if it is, enter in step S506, is carried out the inner wall washing of 5min by internal washing shower nozzle, if it is not, then terminate discharge.
Further, including whipping step: entering the rate-determining steps in distillation and concentration I stage, agitator starts running, cooling and heating circulation system operating simultaneously.
Further, including the first detecting step: when having condensed fluid to produce in the setting value T2 time period, first determine whether whether the quality of the condensed fluid produced exceedes setting value S, if detected value exceedes setting value S, then proceed to step S111 equipment alarm: condensate quality exceeds standard; If it does not, equipment remains in operation.
Further, including cleaning step: when the operation time of concentrate discharge phase whether more than setting value T6 time, it is first determined whether have clean evaporative condenser instruction, if it is, enter step S123, if it is not, then continue judge.
Further, container height liquid level sensor, the condensed fluid collection low liquid level sensor of container, condensed fluid Quality Detection sensor, distillation heating system, the low liquid level sensor of vacuum tank, vacuum equipment motor, condensation chamber pressure transducer, vaporization chamber temperature sensor, vaporization chamber solution viscosity sensor, vaporization chamber up/down liquid level sensor, the low liquid level sensor of stock solution container and stock solution container height liquid level sensor are collected including the CPU processor of electrical connection, agitator motor, condensed fluid.
The present invention adopts above technical scheme, compared with prior art, have the advantage that overcoming existing equipment has strict demand to material boiling point, can only process the limitation of single material, technology production efficiency is low, the deficiency of complicated operation, after adopting the control method of the present invention, overall vacuum evaporative condenser is simple to operate, production efficiency is high, can process the material of multiple different boiling, taken up space little, automaticity is high, it is achieved Unmanned operation, and average energy consumption reduces by more than 20% simultaneously.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the flow chart of vacuum evaporation condensing steps in the embodiment of the present invention;
Accompanying drawing 2 is the flow chart of distillation and concentration I stage control step in the embodiment of the present invention;
Accompanying drawing 3 is the flow chart of distillation and concentration II stage control step in the embodiment of the present invention;
Accompanying drawing 4 is the flow chart of vacuum breaking rate-determining steps in the embodiment of the present invention;
Accompanying drawing 5 is the flow chart of concentrate discharge phase rate-determining steps in the embodiment of the present invention.
Detailed description of the invention
Embodiment 1, the control method of liquid handling device, the device implementing the method includes the CPU processor of electrical connection, agitator motor, man machine interface, condensed fluid collection container height liquid level sensor, the condensed fluid collection low liquid level sensor of container, condensed fluid Quality Detection sensor, distillation heating system, the low liquid level sensor of vacuum tank, vacuum equipment motor, condensation chamber pressure transducer, vaporization chamber temperature sensor, vaporization chamber solution viscosity sensor, vaporization chamber up/down liquid level sensor, the low level sensing of stock solution container
Device and stock solution container height liquid level sensor.
As it is shown in figure 1, control method includes vacuum evaporation condensing steps, vacuum evaporation condensing steps comprises the following steps:
Start from S101, device power-up, enter step S102;
In step S102, write parameters by production requirement, subsequently into step 103;
Parameter includes T0, T1, T2, T3, T4, T5, T6, vacuum PT, solution temperature TE, quality requirements parameter S, solution viscosity VC and whether clean distillation and concentration tank and whether Automatic Cycle opens.
T0: work the initial stage at equipment, it is necessary to detection judges whether vaporization chamber stock solution reaches liquid level within the setting time, and this period represents with T0; when in vaporization chamber, stock solution liquid level reaches liquid level within the T0 time period; equipment just may proceed to work, otherwise equipment downtime, and produces alarm signal.
T1: work the initial stage at equipment, it is necessary to detection judges that in distillation and concentration tank, vacuum is setting whether equal to vacuum setting value PT in time T1, if not reaching PT setting value at the appointed time, then equipment downtime warning.
T2: in distillation and concentration I stage of equipment, it is necessary to detection judges, setting in the time period, whether have condensed fluid to produce in distillation and concentration tank; this period represents with T2, when, in T2 working time section, being not detected by condensed fluid and produce; equipment can be shut down, and produces alarm signal. When arranging parameter, setting value T3 have to be larger than setting value T2.
T3: in order to make equipment meet the process requirement of different process, it is possible to according to the time processing technological requirement sets itself distillation and concentration I stage, this period represents with T3, it is therefore an objective to according to technological requirement and process total amount, set this period of working time flexibly.
T4: for the stock solution in further evaporation drying vaporization chamber, can according to the time processing technological requirement sets itself distillation and concentration II stage, this period represents with T4, note the difference of two time periods of T3 and T4, T3 in distillation and concentration I stage ran in the time period, and when the stock solution liquid level in vaporization chamber drops to lower liquid level, stock solution replenishment valve can automatically open up, when stock solution liquid level in vaporization chamber rises to liquid level, stock solution replenishment valve is closed; Within the T4 operation time in distillation and concentration II stage, the stock solution liquid level in vaporization chamber is gradually lowered along with the operating of equipment, and when being reduced to below lower liquid level, stock solution replenishment valve will not open supplementary stock solution, and is to continue with the stock solution in evaporation drying vaporization chamber.
T5: in order to the vacuum PT in evaporative condenser is recovered to atmospheric pressure, it is necessary to setting the working time of vacuum breaking, this period represents with T5, and within this time period, air admission valve can be opened, and air enters in distillation and concentration tank.
T6: for the concentrate after process in distillation and concentration tank is discharged, it is necessary to setting the concentrate discharge working time, this period represents with T6, and within this period, concentrate drain valve is opened, and the concentrate in vaporization chamber exits in concentrate catcher.
PT: the design principle of equipment and former liquor treating process need the vacuum in detection evaporative condenser, and this parameter PT represents, vacuum is equal to setting value PT in the distillation and concentration tank of detection, and equipment can enter distillation and concentration I stage and distillation and concentration II stage.
TE: the work process of equipment needs the requirement according to condensed fluid to control the temperature of solution in vaporization chamber, to meet slipping out of different material, this temperature parameter TE represents, when detecting that solution temperature is equal to TE, cooling and heating circulation system enters constant temperature and keeps the stage, maintains and requires slipping out of material.
S: need the quality of detection condensed fluid in the work process of equipment; judge whether condensed fluid meets technological requirement; this parameter S represents; this Q factor is according to production technology and is installed detection sensor and determines; after the quality of condensed fluid exceedes setting value S; equipment can be shut down, and produces alarm signal.
VC: owing to equipment is for continuously running duty, and the concentration instability of stock solution is when long time running is in distillation and concentration I stage, in vaporization chamber, the viscosity of solution can be more and more higher, operation process then needs the viscosity of solution in detection vaporization chamber, this parameter VC represents, when in vaporization chamber, solution viscosity exceedes setting value, the yield of condensed fluid can be affected, and cause the waste of the energy.
Whether clean evaporative condenser: due to long time running and the difference processing solution, need the attachment on evaporative condenser inwall and agitator is carried out, if selecting to be carried out, then after concentrate has discharged, can automatically carry out the cleaning of used time 5min.
Whether Automatic Cycle opens: if it is equipment after step S125 has operated automatically into step S103; start next cycle period, if it is not, then after step S125 operated; equipment enter S126 stopped status, this parameter arrange achieve equipment automatization nobody continuously run.
In step S102, starting device, vacuum equipment operates, and stock solution replenishment valve is opened simultaneously, enters step S103;
In step S103, it is judged that in vaporization chamber, whether solution level reaches liquid level in setting time T0, if it is, enter step S104, otherwise, proceeds to step S111 equipment alarm: raw material does not arrive work liquid level;
In step S104, it is judged that in distillation and concentration tank, whether vacuum is setting equal to setting value PT in time T1, if it is, enter step S105, if it does not, proceed to step S111 equipment alarm: vacuum is reported to the police;
Step S105, enters the whipping step of the rate-determining steps in distillation and concentration I stage, starts running at this stage agitator, simultaneously cooling and heating circulation system operating, subsequently into step S106;
In step S106, detection judges that in vaporization chamber, whether the temperature of solution is less than setting value TE, judges if it is, continue detection, if it is not, then enter step S107;
In step S107, cooling and heating circulation system enters constant temperature and keeps the stage, proceeds to step S108;
In step S108, enter the first detecting step: detection judges within the setting value T2 time period, whether has condensed fluid to produce in distillation and concentration tank, if it is, enter step S109, if not, proceed to step S111 equipment alarm: equipment needs maintenance, not up to rated output;
In step S109, it is judged that whether the quality of the condensed fluid of generation exceedes setting value S, if detected value exceedes setting value S, then proceed to step S111 equipment alarm: condensate quality exceeds standard; If it does not, equipment remains in operation, proceed to step S110;
In step s 110, detection judges that in vaporization chamber, whether the viscosity of solution is more than setting value VC, and viscosity is too high, can affect the output of condensed fluid, and cause energy waste, if it is, proceed to step S117, if it is not, then enter step S112;
Step S111, equipment alarm;
In step S112, CPU processor can judge that whether the operation time in distillation and concentration I stage is more than setting value T3, if, then show that distillation and concentration I stage terminates, S110 proceeds to step S113, if it is not, then can be returned to, continue detection and judge the quality of condensed fluid, the viscosity of solution and the operation time in distillation and concentration I stage in vaporization chamber;
Step S113, stops stock solution supply, enters the control process in distillation and concentration II stage, enter step S114;
In step S114, enter the second detecting step: need also exist for continuing detection and judge that whether distillation and concentration II stage produces the quality of condensed fluid more than setting value S, if it is, proceed to step S111 equipment alarm: condensate quality exceeds standard; If it does not, enter step S115;
In step sl 15, detection is needed to judge that in vaporization chamber, whether the viscosity of solution is more than setting value VC too, if it is, proceed to step S117, if it is not, then enter step S116;
In step S116, whether CPU processor can detect the operation time judging distillation and concentration II stage more than setting value T4, if, then show that distillation and concentration II stage terminates, S115 proceeds to step S117, if it is not, then can be returned to, continue detection and judge the quality of condensed fluid, the viscosity of solution and the operation time in distillation and concentration II stage in vaporization chamber;
Step S117, cooling and heating circulation system and vacuum equipment shut down, and enter the vacuum breaking rate-determining steps of distillation and concentration tank, proceed to step S118;
In step S118, CPU processor can detect whether the vacuum judged in distillation and concentration tank is destroyed completely in setting time T5, if it is, proceed to step S119, if it is not, then step S111 equipment alarm can be entered: vacuum is not destroyed;
In step S119, enter concentrate discharge phase, for being discharged in concentrate catcher by equipment remaining concentrate after distillation and concentration I stage and II stage, proceed to step S120;
In step S120, detection judges more than the high the liquid level sensor whether liquid level in concentrate catcher reaches concentrate catcher, if it is, proceed to step S111 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S121;
In step S121, enter cleaning step: CPU processor can judge that whether the operation time of concentrate discharge phase is more than setting value T6, if, then show that concentrate discharge phase terminates, S120 proceeds to step S122, if it is not, then can be returned to, continue detection and judge more than the liquid level sensor whether liquid level of concentrate reaches concentrate catcher and the operation time of concentrate discharge phase;
In step S122, CPU processor arranges decision device running status according to " whether the cleaning evaporative condenser " in step S102, if, then enter in step S123, the inner wall washing of 5min is carried out, if it is not, then be directly entered step S124 by internal washing shower nozzle;
In step S124, the CPU processor setting according to " judging whether Automatic Cycle opens " in step S102, the state of decision device, if it is, proceed to step S103, restart a distillation and concentration circulation, if it is not, then enter step S125;
In step S125, equipment shuts down.
As in figure 2 it is shown, the rate-determining steps in distillation and concentration I stage, comprise the following steps:
Starting from step S201, stock solution replenishment valve is opened, subsequently into step S202, step S204;
In step S202, it is judged that whether stock solution tank fill level reaches below minimum liquid level sensor, if it is, proceed to step S203, if it is not, then return to step S201;
In step S203, equipment enters holding state, waits that in stock solution container, stock solution is supplemented, and returns to step S202, and persistently detection judges in stock solution container, whether liquid level rises to more than minimum liquid level;
In step S204, persistently detection judges whether the condensed fluid produced reaches more than the highest liquid level sensor that container collected by condensed fluid, if it is, proceed to step S205, if it is not, then return to step S201;
In step S205, equipment, also into holding state, waits that condensed fluid is collected liquid level in container and reduced, returns to step S204, and persistently detection judges that in condensed fluid collection container, whether liquid level is lower than the highest liquid level sensor position.
As it is shown on figure 3, distillation and concentration II stage control step includes:
Start from step S301, enter distillation and concentration II stage, subsequently into step S302;
In step S302, persistently detection judges whether the condensed fluid produced reaches more than the highest liquid level sensor that container collected by condensed fluid, if it is, proceed to step S303, if it is not, then return to step S301;
In step S303, equipment, also into holding state, waits that condensed fluid is collected liquid level in container and reduced, returns to step S302;
Step S301 distillation and concentration II stage enters vacuum breaking rate-determining steps after terminating.
As shown in Figure 4, vacuum breaking rate-determining steps includes:
Start from step S401, enter step S402;
In step S402, it is judged that in setting value T time, whether vacuum is destroyed completely, produce to report to the police if it is not, then enter S403 equipment: vacuum is not destroyed, if it is, enter step S404, concentrate discharge phase.
As it is shown in figure 5, concentrate discharge phase rate-determining steps includes:
Start from step S501, proceed to step S502;
In step S502, detection judges more than the high the liquid level sensor whether liquid level in concentrate catcher reaches concentrate catcher, if it is, proceed to step S505 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S503;
In step S503, CPU processor can judge that whether the operation time of concentrate discharge phase is more than setting value T, if, then show that concentrate discharge phase terminates, S502 proceeds to step S504, if it is not, then can be returned to, continue detection and judge more than the liquid level sensor whether liquid level of concentrate reaches concentrate catcher and the operation time of concentrate discharge phase;
In step S504, CPU processor arranges decision device running status according to " whether cleaning evaporative condenser ", if, then enter in step S506, the inner wall washing of 5min is carried out, if it is not, then be directly entered step S507 to terminate discharge by internal washing shower nozzle.
Those skilled in the art will recognize that, above-mentioned detailed description of the invention is illustrative of, it is to enable those skilled in the art to be better understood from present invention, should not be understood as limiting the scope of the invention, adopt the extracting vacuum of the present invention, fill material rate-determining steps;Heating, evaporation control step; Control condensation step; Emission control step; Distillation and concentration I stage control step; Vacuum breaking rate-determining steps; Concentrate discharge phase rate-determining steps; Whipping step; Detecting step; Cleaning step, it is also possible to rate-determining steps or the currently known technology in distillation and concentration II stage of the present invention can not also adopt this rate-determining steps, whipping step; Detecting step; Cleaning step can also adopt current known technology can not also adopt these steps, as long as according to technical solution of the present invention improvements introduced, each fall within protection scope of the present invention.
Claims (16)
1. the control method of liquid handling device, it is characterised in that include extracting vacuum, fill material rate-determining steps.
2. the control method of liquid handling device as claimed in claim 1, it is characterised in that extracting vacuum, fill material rate-determining steps include:
Starting device, vacuum equipment operates, and stock solution replenishment valve is opened simultaneously, enters step S103;
In step S103, it is judged that in vaporization chamber, whether solution level reaches liquid level in setting time T0, if it is, enter step S104, otherwise, proceeds to step S111 equipment alarm: raw material does not arrive work liquid level;
In step S104, it is judged that in distillation and concentration tank, whether vacuum is setting equal to setting value PT in time T1, if it is, enter step S105, if it does not, proceed to step S111 equipment alarm: vacuum is reported to the police.
3. the control method of liquid handling device as claimed in claim 1, it is characterised in that include heating, evaporation control step.
4. the control method of liquid handling device as claimed in claim 3, it is characterised in that heating, evaporation control step include:
Entering the rate-determining steps in distillation and concentration I stage, cooling and heating circulation system operates, subsequently into step S106;
In step S106, it is judged that in vaporization chamber, whether the temperature of solution is less than setting value TE, judge if it is, continue detection, if it is not, then enter step S107;
In step S107, cooling and heating circulation system enters constant temperature and keeps the stage.
5. the control method of liquid handling device as claimed in claim 1, it is characterised in that include control condensation step.
6. the control method of liquid handling device as claimed in claim 5, it is characterised in that control condensation step includes:
Judge within the setting value T2 time period, whether distillation and concentration tank has condensed fluid produce, if it is, enter step S110, if it does not, proceed to step S111 equipment alarm: equipment needs maintenance, not up to rated output;
In step s 110, it is judged that in vaporization chamber, whether the viscosity of solution is more than setting value VC, if it is, cooling and heating circulation system and vacuum equipment shut down, if it is not, then enter step S112;
Step S111, equipment alarm;
In step S112, it is judged that the operation time in distillation and concentration I stage whether more than setting value T3, if it is, proceed to step S113, if it is not, then S110 can be returned to;
Step S113, stops stock solution supply.
7. the control method of liquid handling device as claimed in claim 1, it is characterised in that include emission control step.
8. the control method of liquid handling device as claimed in claim 7, it is characterised in that emission control step includes:
Step S117, cooling and heating circulation system and vacuum equipment shut down, and enter the vacuum breaking rate-determining steps of distillation and concentration tank, proceed to step S118;
In step S118, it is judged that whether the vacuum in distillation and concentration tank is destroyed completely in setting time T5, if it is, proceed to step S119, if it is not, then step S111 equipment alarm can be entered: vacuum is not destroyed;
In step S119, enter concentrate discharge phase rate-determining steps, proceed to step S120;
In step S120, it is judged that whether the liquid level in concentrate catcher reaches more than the high liquid level sensor of concentrate catcher, if it is, proceed to step S111 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S121;
In step S121, it is judged that the operation time of concentrate discharge phase whether more than setting value T6, if it is, proceed to step S124;
In step S124, it may be judged whether there is the instruction that Automatic Cycle is opened, if it is, proceed to step S102, if it is not, then enter step S125;
In step S125, equipment shuts down.
9. the control method of liquid handling device as claimed in claim 4, it is characterised in that distillation and concentration I stage control step is: control stock solution liquid level between the highest liquid level and minimum liquid level.
10. the control method of liquid handling device as claimed in claim 9, it is characterised in that distillation and concentration I stage control step includes:
Starting from step S201, stock solution replenishment valve is opened, subsequently into step S202, step S204;
In step S202, it is judged that whether stock solution tank fill level reaches below minimum liquid level sensor, if it is, proceed to step S203, if it is not, then return to step S201;
In step S203, equipment enters holding state, waits that in stock solution container, stock solution is supplemented, and returns to step S202;
In step S204, persistently detection judges whether the condensed fluid produced reaches more than the highest liquid level sensor that container collected by condensed fluid, if it is, proceed to step S205, if it is not, then return to step S201;
In step S205, equipment, also into holding state, waits that condensed fluid is collected liquid level in container and reduced, returns to step S204;
Step S201 distillation and concentration I stage terminates.
11. the control method of liquid handling device as claimed in claim 8, it is characterised in that vacuum breaking rate-determining steps includes:
Start from step S401, enter step S402;
In step S402, it is judged that in setting value T time, whether vacuum is destroyed completely, produce to report to the police if it is not, then enter S403 equipment: vacuum is not destroyed, if it is, enter step S404, concentrate discharge phase.
12. the control method of liquid handling device as claimed in claim 8, it is characterised in that concentrate discharge phase rate-determining steps includes:
Detection judges more than the high the liquid level sensor whether liquid level in concentrate catcher reaches concentrate catcher, if it is, proceed to step S505 equipment alarm: concentrate reaches the highest liquid level; If it does not, enter step S503;
In step S503, judge that whether the operation time of concentrate discharge phase is more than setting value T, if, then show that concentrate discharge phase terminates, S502 proceeds to step S504, if it is not, then can be returned to, continue detection and judge more than the liquid level sensor whether liquid level of concentrate reaches concentrate catcher and the operation time of concentrate discharge phase;
In step S504, according to " whether cleaning evaporative condenser ", decision device running status is set, if it is, enter in step S506, is carried out the inner wall washing of 5min by internal washing shower nozzle, if it is not, then terminate discharge.
13. the control method of liquid handling device as claimed in claim 4, it is characterised in that include whipping step: entering the rate-determining steps in distillation and concentration I stage, agitator starts running, simultaneously cooling and heating circulation system operating.
14. the control method of liquid handling device as claimed in claim 6, it is characterized in that, including the first detecting step: when having condensed fluid to produce in the setting value T2 time period, first determine whether whether the quality of the condensed fluid produced exceedes setting value S, if detected value exceedes setting value S, then proceed to step S111 equipment alarm: condensate quality exceeds standard; If it does not, equipment remains in operation.
15. the control method of liquid handling device as claimed in claim 12, it is characterized in that, including cleaning step: when the operation time of concentrate discharge phase whether more than setting value T6 time, it is first determined whether there is the instruction cleaning evaporative condenser, if, then enter step S123, if it is not, then continue to judge.
16. implement such as the device of claim 1-15 liquid handling device control method as described in one of them, it is characterized in that, CPU processor including electrical connection, agitator motor, container height liquid level sensor collected by condensed fluid, the low liquid level sensor of container collected by condensed fluid, condensed fluid Quality Detection sensor, distillation heating system, the low liquid level sensor of vacuum tank, vacuum equipment motor, condensation chamber pressure transducer, vaporization chamber temperature sensor, vaporization chamber solution viscosity sensor, vaporization chamber up/down liquid level sensor, the low liquid level sensor of stock solution container and stock solution container height liquid level sensor.
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Cited By (1)
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| CN111522366A (en) * | 2020-05-13 | 2020-08-11 | 珠海格力电器股份有限公司 | Juicer control method and equipment and juicer |
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Effective date of registration: 20161025 Address after: 261500 Shandong city in Weifang Province Economic Development Zone Gaomi City Kang Street No. 5655 heroic Industrial Park Applicant after: Himile Mechanical Science and Technology Co., Ltd. Address before: 261500 Shandong city of Weifang province Gaomi City dense water Street Community Garden District Nanhu Han Jia Tun Applicant before: Li Qingxi |
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