633results about "Evaporator regulation/control" patented technology

To provide a steam distillation system for producing clean water by purifying water.SOLUTION: A fluid steam distillation system is provided, the system comprises: a control system for controlling the fluid steam distillation device, the control system comprising, a release valve, a raw material flow controller for controlling a raw material flow rate valve, and a discharge level sensor connected to the release controller and the raw material flow rate controller. The discharge level sensor transmits a signal related to a discharge level to the discharge controller and the raw material flow rate controller which indicates the discharge level, the raw material flow rate controller drives the raw material flow rate valve on the basis of at least the discharge level sensor signal. The discharge controller drives the discharge valve on the basis of at least the discharge level sensor signal, and the discharge level and the raw material flow rate level are held by using the discharge level sensor signal as input.SELECTED DRAWING: Figure 75

The invention discloses a spray drying device for boron carbide production, the spray drying device comprises a spray drying tower, a hot blast stove, a cyclone separator and a system controller, an atomizer and an online detection module are arranged in the spray drying tower, and the online detection module is used for monitoring temperature parameters in the spray drying process; comprising a first temperature sensor, a second temperature sensor and a temperature signal processing unit, the temperature signal processing unit adopts a multi-stage filtering and error compensation technology, noise and interference are effectively suppressed, and the accuracy of detection data is ensured. The air inlet temperature and the air outlet temperature are monitored in real time through the online detection module, the fuzzy-PID control algorithm is combined, the temperature control precision and the response speed are remarkably improved, and temperature fluctuation is reduced. The device dynamically adjusts the heating power of the hot blast stove according to real-time working conditions, the energy utilization efficiency is optimized, and the energy consumption is reduced.

The invention relates to the technical field of equipment management and control, in particular to an evaporative crystallization equipment operation management and control system and method based on multi-modal perception, and the system comprises a raw material characteristic analysis module, a temperature regulation and control module, a heating time adjustment module and an equipment maintenance management module. According to the method, the energy utilization efficiency and the raw material conversion rate are optimized by analyzing the characteristics of the raw materials and adjusting the heating temperature in the evaporative crystallization process, the energy utilization efficiency is improved by monitoring the time change of the quality of the raw materials, evaluating the evaporation rate of the raw materials and dynamically adjusting the heating time, and meanwhile, the energy consumption of equipment is reduced; by monitoring the power consumption, voltage and current data of equipment operation and combining the maintenance history of the equipment, the operation stability of the equipment can be accurately evaluated, the maintenance requirements of the equipment can be identified in time, faults can be prevented in advance, the long-term stable operation of the equipment is ensured, and the continuity and safety of the production process are ensured.

The invention relates to the technical field of PLC linkage control, in particular to a multi-effect evaporator set and a PLC linkage control method thereof.The method comprises the steps that data of all kinds of evaporation parameters in all time periods in the operation process of the multi-effect evaporator set are obtained, and all parameter data sequences are formed; obtaining the standard floating stability of the evaporation parameters in each time period, and obtaining the overshoot optimization quantity and oscillation effect adjacency of the evaporation parameters in each time period; optimizing a dynamic proportion parameter, a dynamic integral parameter and a dynamic differential parameter of each evaporation parameter in the next time period based on the dynamic proportion parameter, the dynamic integral parameter and the dynamic differential parameter; and performing PLC linkage control on the multi-effect evaporator group by adopting a PID algorithm through the optimized dynamic proportion parameter, dynamic integral parameter and dynamic differential parameter. The operation state of the multi-effect evaporator can be accurately controlled.

A solar vapor generation system includes a substrate configured to wick solution from a reservoir. The substrate includes a first planar sheet having a first end, and a second planar sheet having a first end. The first end of the first planar sheet is connected to the first end of the second planar sheet at an angle of less than 180.0 degrees. In some embodiments, the angle is less than 90.0 degrees. At least a portion of the first planar sheet is configured to be in contact with the solution. The system includes a support, configured to support the substrate at a position near a surface of the solution.

A multistage treatment system for a liquid, the system including a first stage with a first boiling vessel and a first heater configured to boil the liquid in the first boiling vessel at a first pressure. The boiling of the liquid generates vapour including volatile contaminants. A first vapour outlet is configured to vent the vapour from the first boiling vessel. A liquid outlet provides for fluid flow from the first boiling vessel to a subsequent stage. A second stage comprises a second boiling vessel configured to receive liquid from the liquid outlet and a second heater to boil liquid in the second boiling vessel to generate vapour. A condenser receives the vapour from the second boiling vessel and condenses the vapour to a liquid that is treated. An outlet is configured to dispense treated liquid.

The invention provides an intelligent dynamic flow rate regulation and double-effect crystallization evaporation device which comprises a feeding system, a double-effect evaporation system, a crystallization system, a circulating pump and a flow rate regulation system, the feeding system is connected to the double-effect evaporation system through a pipeline, the double-effect evaporation system is connected to the crystallization system through the circulating pump, and the flow rate regulation system is connected to the crystallization system through a pipeline. The flow rate adjusting system is connected with the circulating pump and the double-effect evaporation system, and the device realizes intelligent dynamic flow rate adjustment through the circulating closed-loop control system, so that the evaporation efficiency and the crystallization quality are optimized. The circulating closed-loop control system comprises a data acquisition unit, a data processing unit, a flow velocity adjusting system, a feedback optimization unit and an abnormity early warning unit, a flow velocity adjusting strategy is optimized based on real-time data, historical data and machine learning, scaling is reduced through disturbance flow velocity control, and the system stability is improved. The evaporation and crystallization efficiency is improved, the energy consumption is reduced, different working condition requirements are met, and the method is suitable for the field of industrial evaporation and crystallization.

The invention relates to the technical field of separation and evaporation of sulfur trioxide, and discloses a device and a process for producing liquid sulfur trioxide by utilizing a film evaporator, the separation of gas-phase sulfur trioxide and low-concentration fuming acid is realized by utilizing the film evaporator, and the liquid sulfur trioxide is separated from the low-concentration fuming acid under the action of gravity and a rotary movable scraper of the film evaporator. Nicotinic acid forms an underspin film on the inner wall of the cylinder wall, and liquid is distributed into a uniform film, so that sulfur trioxide is quickly evaporated, and the evaporation capacity per unit area can be about 6-9 times that of a traditional evaporator; and meanwhile, under the action of high-speed rotating film scraping of the circumference, the heating time is short, the retention time of low-concentration nicotinic acid on the wall surface is shortened, and corrosion of the low-concentration nicotinic acid to the inner wall of the cylinder body at high temperature is avoided. According to the invention, the cyclone is arranged in the film evaporator, so that the material is prevented from being carried by gas, the removal efficiency of fog drops with the particle size of more than 1 micron reaches more than 99.9%, and the evaporation rate can be effectively improved by 1.0-2.6%.

The invention relates to the technical field of powder drying, in particular to a powder water reducing agent production device and a water reducing agent based on polycarboxylic acid monomers. Comprising a support frame; the rotary gas injection frame is rotationally connected to the supporting frame, and the rotary gas injection frame is fixedly connected with an inner ring; the fixing frame is fixedly connected to the supporting frame, the fixing frame is rotationally connected with an outer ring in a sealed mode, and the fixing frame, the inner ring and the outer ring are matched to form a first closed cavity; the stock bin is fixedly connected to the supporting frame, and the stock bin is fixedly connected with a first scraper; and the second scraper is fixedly connected to the supporting frame. The outer ring and the inner ring are matched to form the annular roller, so that slurry can be adhered to the inner wall and the outer wall of the annular roller, the adhesion area of the slurry is increased, the utilization rate of steam heat is increased, and the water reducer is synthesized after polyethylene glycol is added based on a polycarboxylic acid water reducer monomer, so that the water reducer has excellent workability and stable performance.

The disclosure provides a botanical processing module, comprising a housing, wherein the housing comprises a plurality of surfaces, wherein there is an internal cavity defined between the plurality of surfaces; a first inlet disposed on a top surface of the housing; a second inlet disposed on a first side surface of the housing, wherein the first side surface is orthogonal to the top surface; a first outlet disposed on the first side surface; a controller, wherein the controller comprises a processor; a memory; and a display, wherein the display is disposed on a second side surface of the housing, wherein the second side surface is orthogonal to both the top surface and the first side surface; a grinder; and a first heating chamber; wherein the grinder and the first heating chamber are disposed within the internal cavity of the housing, wherein the first heating chamber is coupled to the grinder.

The invention relates to the technical field of gas separation, in particular to an amine recovery monitoring method and system for polyurethane synthesis tail gas. The method comprises the following steps: preliminarily separating to obtain a triethylamine solution; collecting parameter values of different parameters for distillation of the triethylamine solution; acquiring a parameter sequence in a preset time period; decomposing the parameter sequence to obtain a periodic sequence and a trend sequence; obtaining periodic saliency values of different parameters based on the periodic sequence, and obtaining a fluctuation consistency coefficient based on the trend sequence; a distillation interference coefficient is obtained after weighting; pure triethylamine is obtained based on the distillation interference coefficient control system; collecting attribute values of different attributes, constructing a change characteristic value sequence through differences between data values and predicted values of the attributes in the sliding window, and obtaining a dehydration steady-state index based on sequence similarity and vapor pressure differences; and recycling and monitoring of triethylamine are realized based on the dehydration steady-state index. According to the method, the dehydration efficiency of the triethylamine is improved, and the purity of the recovered triethylamine is further improved.

The invention relates to the technical field of extraction and concentration units, in particular to an automatic extraction and concentration hot reflux extraction and concentration unit which comprises an extraction box, a motor is fixedly connected to the bottom end of the extraction box, a stirring and heating rod is fixedly connected to the output end of the motor, and a heating part is fixedly connected to the outer wall of the stirring and heating rod. A real-time monitoring mechanism is arranged, a condensate amount monitoring assembly in the real-time monitoring mechanism monitors the pressure change generated on a water baffle when condensate in a detection pipe is accumulated through a pressure sensor, converts a pressure change signal into an electric signal and transmits the electric signal to a PLC, and therefore the amount of the condensate is monitored in real time; the condensate concentration monitoring assembly calculates the concentration of the condensate through a light-emitting plate and a photoresistor plate according to the change of the resistance value of the photoresistor plate caused by different light absorption and scattering degrees of the condensate with different concentrations, and the real-time regulation and control mechanism is electrically connected with the PLC, the heating piece and the stirring heating rod to form a regulation loop.

The invention discloses a novel belt dryer, and relates to the field of lithium ore purification. According to the scheme, the device comprises a drying trolley used for containing a mixed acid solution and heating and drying the mixed acid solution; the supporting and guiding assembly is fixed to the surface of the rack and used for guiding the drying trolley, and the drying trolley is in rolling connection with the supporting and guiding assembly; the driving assemblies are distributed at the two ends of the rack and used for driving the drying trolley to roll on the supporting and guiding assemblies; and the fixed heating assembly is fixed to the rack, and the fixed heating assembly is electrically connected with the drying trolley in a sliding mode and used for supplying power to the drying trolley in a sliding mode. The supporting and guiding assembly is fixed to the rack, the drying trolleys are connected to the supporting and guiding assembly in a rolling mode, the drying trolleys are powered through the sliding power supply assembly in a sliding mode, power supply of each drying trolley can be independently controlled, the drying temperature can be controlled, the polytetrafluoroethylene lining plates are fixed to the surfaces of the trolley bodies, and bonding of mixed acid solutions is prevented.

The present invention relates to the technical field of phosphoric acid solution concentration, and in particular to a system for comprehensive heat utilization in a phosphoric acid concentration device, comprising: an inlet and outlet heat exchanger; a raw acid preheater; a first-stage evaporation separator; a first-stage circulation pump; a first-stage evaporator; a gas-liquid separator; a second-stage evaporator; a second-stage evaporation separator; and a second-stage circulation pump, with defined connections between the various devices. The present invention utilizes an inlet and outlet heat exchanger to eliminate the need for circulating water for cooling finished phosphoric acid, making heat utilization in the concentration process more efficient and reasonable, thereby increasing the economic efficiency of the device. In the present invention, the various devices can effectively cooperate, effectively and reasonably utilizing the heat in the concentration process, reducing steam consumption and increasing the economic efficiency of the device.

A vapor deposition apparatus is provided. The vapor deposition apparatus includes a tank for providing a liquefied material, a first unit having an alterable first volume, the first unit including a first actuator and including a first line to be in fluid communication with the tank. Further, the vapor deposition apparatus includes a second unit having an alterable second volume, the second unit including a second actuator and including a second line to be in fluid communication with the tank. The vapor deposition apparatus includes an evaporation arrangement, the evaporation arrangement being in fluid communication with the first unit and the second unit. The first actuator and the second actuator are configured to alternatingly provide a force to the alterable first volume and the alterable second volume for providing the liquefied material to the evaporation arrangement.

The invention relates to the technical field of coffee cold extraction and concentration equipment, in particular to continuous coffee cold extraction and concentration equipment based on intelligent monitoring. The system comprises an intelligent preprocessing unit, an intelligent cold extraction control unit, a quality monitoring and intercepting unit and a concentration presetting unit, the intelligent preprocessing unit collects coffee bean parameters and moisture content data through the radio frequency identification technology, and the intelligent cold extraction control unit accurately controls cavity switching through a servo motor; the optimal extraction environment is automatically matched for coffee powder with different characteristics, parameters such as temperature, pressure and concentration in the processing process are analyzed in real time based on a machine learning algorithm, and extraction process parameters are dynamically adjusted. And the quality monitoring and intercepting unit performs multi-dimensional quality evaluation on the extraction liquid to ensure the stable quality of the final product. According to the invention, a whole-process intelligent control system from raw material processing to finished product output is constructed, and the quality consistency and the production efficiency of the coffee cold extraction concentrated product are remarkably improved.

The invention provides concentration equipment for waste hydrochloric acid purification and recovery, and relates to the field of waste hydrochloric acid purification, the concentration equipment comprises a concentration machine table, a supporting plate is mounted in the middle of the concentration machine table, a concentration tower is mounted above the supporting plate, a refrigeration compressor is mounted below the supporting plate, and the concentration equipment further comprises a condensation part, a stirring mechanism, a scraping mechanism and a driving mechanism. A driving motor works to drive a bevel gear II to be meshed with a bevel gear I, so that a hollow shaft pipe is driven to rotate, the hollow shaft pipe stirs and mixes a solution through stirring blades during rotation, the overall evaporation efficiency of the concentration tower is improved, and the bevel gear II synchronously drives a guide rail to move during rotation; when the guide rail moves, the balance rod moves in the retaining groove to keep the height unchanged, and moves upwards when moving in the swing groove, so that the ejector rod is driven to jack the lapping rod, the clamping block is clamped with the butt joint ring, and at the moment, when the stirring rod rotates, the butt joint ring and the scraper are driven to clean the interior of the concentration tower.

The invention provides a falling-film evaporator based on a heat exchange tube enhanced heat transfer technology, and relates to the technical field of evaporation equipment, the falling-film evaporator comprises an evaporation tank body, a feed pipe is mounted at the top of the evaporation tank body, a liquid distribution disc is arranged in the evaporation tank body, a liquid distributor is arranged above the liquid distribution disc, the liquid distributor is communicated with the feed pipe, and a lower liquid disc is arranged at the bottom of the liquid distributor; a plurality of liquid discharging holes are formed in the liquid discharging disc, the liquid falling points of the liquid discharging holes and the adjacent pipe openings of the heat exchange pipes are arranged at equal intervals, the distance between each liquid discharging hole and the liquid distributing disc is the same, a floating ball is arranged in the liquid distributor, a switch disc is rotationally installed in the liquid distributor, a plurality of switch holes are formed in the switch disc, and a transmission mechanism is arranged on the side portion of the liquid distributor. The floating ball is in linkage with the switch disc through the transmission mechanism to control the switch hole and the liquid discharging holes to be communicated and blocked, liquid materials are evenly distributed, the liquid discharging holes are controlled to be opened and closed synchronously, the liquid materials are evenly distributed, and the film forming conditions in the heat exchange pipes at different positions are the same as much as possible.

The invention belongs to the technical field of yoghourt seasoning powder preparation equipment, and particularly relates to spraying equipment for preparing rose yoghourt seasoning powder, the spraying equipment comprises a heat insulation shell, the top end of the heat insulation shell is hermetically connected with a shell cover through a bolt, and the inner wall of the heat insulation shell is fixedly connected with an impurity separation mechanism and a nozzle cleaning mechanism. The spraying equipment for preparing the rose yoghurt seasoning powder has the functions of separating impurities from rose seasoning stock solution and preventing spray blockage, and also has the functions of automatically cleaning the spray head and cooling the surface of the spray nozzle, so that the surface of the spray nozzle of the spray head is prevented from being influenced by high temperature of powder drying equipment to dry and solidify a large amount of rose seasoning substances; according to the atomizing equipment, the uniformity of atomized small liquid drops can be guaranteed, meanwhile, the frequency of replacing and maintaining the atomizing nozzles can be reduced through alternate use of the two atomizing nozzles, the use reliability and effect of the atomizing equipment are effectively improved, and meanwhile the preparation quality of the rose yoghourt seasoning powder can be guaranteed.

The invention relates to the technical field of radioactive waste liquid concentration reaction kettles, in particular to a concentration reaction kettle capable of measuring multiple parameters and a multi-parameter measuring method thereof.The reaction kettle comprises a reaction kettle body, multiple circles of heating coils are arranged at the bottom of an inner cavity of the reaction kettle body, the multiple circles of heating coils are sequentially arranged at intervals in a sleeved mode, and the multiple circles of heating coils are concentrically arranged; a stirring part of the stirring mechanism is arranged in a cavity defined by the inner ring heating coil; the bypass measuring pipe is vertically arranged, the lower end of the bypass measuring pipe is communicated with the lower section of the inner cavity of the reaction kettle body, and the middle part or the upper part of the bypass measuring pipe is communicated with the corresponding section of the inner cavity of the reaction kettle body; the radar liquid level meter is mounted at the upper end of the bypass measuring pipe, and the radar liquid level meter can seal the bypass measuring pipe, so that the liquid level of the concentration reaction kettle can be stably and accurately measured, and the arrangement of measuring equipment is facilitated. The measuring method is based on the reaction kettle.

The invention provides a production device and process for recovering electronic-grade phosphoric acid from waste etching liquid. The device comprises a raw material storage tank, a multi-stage filtration system, a phosphoric acid evaporation kettle, a purification system, a mixed acid storage tank and a neutralization reaction and crystallization system. The waste etching liquid enters an evaporation kettle after being subjected to multi-stage filtration to remove suspended solid particles, and phosphoric acid is separated from volatile nitric acid and acetic acid; and condensing the volatile acid into mixed acid for storage, and removing metal ions from the semi-finished phosphoric acid through a purification system to obtain the electronic-grade phosphoric acid. The mixed acid reacts with alkali to generate a mixed solution of sodium acetate and nitric acid, sodium acetate crystals are separated out through evaporation and concentration, a solid product is obtained after separation, nitric acid is obtained by condensing gas, and suspended particles and metal impurities are subjected to incineration treatment. Through the steps of filtering, negative-pressure evaporation, neutralization and crystallization and the like, the process realizes efficient recovery of electronic-grade phosphoric acid and byproducts of sodium acetate and nitric acid, and has the characteristics of high resource recovery rate and low pollution emission.

The invention relates to the field of calcium gluconate evaporative crystallization equipment, in particular to a crystallizing tank for calcium gluconate crystallization production and a using method thereof.The crystallizing tank comprises an evaporative crystallization tank body, the evaporative crystallization tank body comprises a tank body, a stirring and uniform heating assembly is arranged on the inner edge of the tank body, and an adaptive adjusting assembly is installed on one side of the stirring and uniform heating assembly; a crystal transfer assembly is arranged at the middle part in the tank body; the stirring and uniform heating assembly is used for stirring the to-be-crystallized solution in the tank body to uniformly disperse heat; the adaptive adjusting assembly is used for adaptively adjusting the stirring and heat uniformizing assembly according to the evaporation progress; according to the crystal stirring device, the situation that the stirring work is easily affected in the later period that the crystals are continuously accumulated at the bottom in the tank body and become high can be avoided, and meanwhile the situation that the crystals are likely to collide with a stirring component along with flowing of a solution, and consequently the crystals are broken can be effectively reduced.

A system includes an evaporator having sensors and selectable operational parameters and a controller configured to receive data and determine operational configuration for the evaporator. Selectable parameters relate to system heating, liquid flow rate, air flow rate, and environmental data.

The present invention relates to the technical field of oyster taurine extraction, and discloses a concentration device for oyster taurine extraction, the concentration device comprises a support frame and three concentration tanks arranged on the support frame, a gas-liquid separation tank is fixed in the support frame, a controller is fixed in the support frame, a liquid conveying assembly is fixed below the concentration tanks, and the liquid conveying assembly is connected with the gas-liquid separation tank and the controller. A steam conveying assembly is fixed on the outer wall of the concentration tank, and the gear vacuum pump is fixed on the inner side of the support frame and is used for carrying out vacuum work on the concentration tank; one end of the vacuum distribution pipe is fixed on the gear vacuum pump; large negative pressure is generated in the evaporation pipe, and the boiling temperature of mother liquor in the evaporation pipe is reduced along with increase of the negative pressure, so that energy consumption in the evaporation process is reduced; the evaporation pipe is in a negative pressure state, and the negative pressure is beneficial to pushing mother liquor to flow, reducing the thickness of a liquid film in the heating pipe and ensuring that liquid is uniformly heated, so that the viscosity of the mother liquor and the evaporation concentration efficiency are improved.

The invention discloses a teaching experiment device for dendrobium officinale flavone extraction and concentration, and the device comprises a separation column which is vertically fixed on the side surface of a supporting frame, and the separation column is internally provided with a reaction liquid; a plurality of groups of sampling wheels are vertically arranged on the side, away from the supporting frame, of the separation column, the axes of the sampling wheels are vertically arranged, a driving assembly is arranged on the axis sides of the sampling wheels, and sampling grooves are formed in the upper portions of the sampling wheels; according to the invention, the sampling wheels are vertically arranged on one side of the chromatographic column, and each sampling groove can accurately enter different depth areas of the chromatographic column, so that sampling is carried out in different time periods of the concentration process. According to the device, a closed concentration environment and an automatic sampling mechanism are adopted, the problem of potential safety hazards caused by frequent opening and closing of the device is avoided, meanwhile, the experiment operation difficulty is reduced, the device is particularly suitable for being used in teaching experiments, and the safety of students can be effectively protected.

The invention discloses an intelligent control method for a traditional Chinese medicine concentration process, and relates to the technical field of traditional Chinese medicine production and processing. Gas-phase and liquid-phase multi-dimensional data in the whole traditional Chinese medicine concentration process are synchronously acquired and structurally processed, and the activity degree of volatile gas behaviors and the volatilization trend of aromatic substances are quantitatively analyzed; according to the method, heat-sensitive aromatic components can be effectively reserved, meanwhile, component proportion imbalance caused by premature or delayed release is avoided, the drug effect consistency of a finished product is improved, a comprehensive convergence score SCF is introduced, end point judgment better conforms to the actual concentration state change, the batch-to-batch difference is reduced, and meanwhile, the product quality is improved. Early warning and operation adjustment can be automatically triggered when a liquid medicine concentration system does not reach a stable convergence state, so that excessive heating or insufficient concentration is avoided, and the intelligence, refinement and self-adaptive capabilities of a traditional Chinese medicine concentration process are integrally improved.

Techniques for controlling a solid precursor vapor source are provided. An example method of controlling a solid precursor vapor source includes providing a carrier gas to a sublimation vessel containing a solid precursor material, and the carrier gas is configured to flow over a surface of the precursor material (advective flow source), wherein the carrier gas is heated with a carrier gas temperature control device prior to entering the sublimation vessel, measuring a temperature of a vapor exiting the sublimation vessel, and controlling a temperature of the carrier gas with the carrier gas temperature control device based at least in part on the temperature of the vapor exiting the sublimation vessel.

The invention relates to the technical field of seasoning powder drying, in particular to seasoning powder spray drying equipment and system. According to the method, during real-time operation of the spray drying equipment, the theoretical production efficiency and the theoretical efficiency error coefficient at each moment are obtained; the actual production efficiency at each moment is obtained by combining the weight data distribution of the residue filtering net, the inclined plate and the driving discharging assembly at different moments in the neighborhood range; heating power data is adjusted, and according to the temperature data and humidity data of the spray drying chamber and the anti-blocking actuating assembly at the real time after heating and power adjustment and the vibration disorder degree of the assembly, the influence coefficient of the temperature data on production at the real time is obtained; combining to obtain an influence coefficient of the temperature data on the component at the real-time moment; vibration correction data are obtained, and cooperative control is conducted on the anti-blocking actuating assembly. By accurately obtaining the vibration data of the anti-blocking actuating assembly during operation, the accuracy of cooperative control is ensured, and the drying effect is improved.

The invention belongs to the technical field of sugar industry, and particularly relates to a five-effect evaporation tank control method based on a big data model, and the method comprises the following steps: S1, an evaporation joint control system sends an execution action instruction; s2, the PLC collects feedback data of the intelligent equipment and submits the feedback data to a model training task; s3, establishing a big data model; s4, performing model evaluation, and if the predicted value is close to the actual value, starting the model; if the difference is large, returning to S2; s5, adjusting scales of the valve and the pump are calculated according to the model, and an action execution instruction is issued; and S6, the PLC receives the instruction, and opening / frequency adjustment is achieved. The problems that in the prior art, when operation of feeding, discharging, steam feeding, ammonia gas discharging, vacuumizing and the like of the five-effect evaporation tank of the evaporation section of a refining workshop is controlled based on an application system, independent control over each effect tank is limited, joint control over the whole process cannot be achieved, and mutual influence between the effect tanks is likely to be caused can be solved, and good market application prospects are achieved.

Embodiments of the invention provide systems and methods for water treatment and / or desalination.