178results about "Evaporator regulation/control" patented technology

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.

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 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.

The application discloses a continuous evaporator and a working method thereof, relates to the technical field of evaporators, and comprises a primary evaporator, a body, an auxiliary component and a matching component, the primary evaporator is communicated with the body through a conveying pipe, a heater is arranged on the primary evaporator, a fixed plate is fixedly connected to the inner wall of the body, a base is fixedly connected to the bottom surface of the body, the auxiliary component is arranged in the body and comprises four auxiliary blocks, intermittent vibration of the four auxiliary blocks is generated through the arrangement of the auxiliary component, the matching component is drivingly connected to the auxiliary component and comprises a displacement plate slidingly connected to the inner wall of the body, the displacement plate is reciprocatingly displaced in the vertical direction and has the features of slow upward displacement and rapid downward displacement through the arrangement of the matching component, and the auxiliary component comprises a main shaft; through mutual cooperation between the above-mentioned structures, the application has the effects of improving overall evaporation efficiency, shortening the time required for boiling of the secondary evaporator and reducing the energy consumption demand.

The application relates to a concentration device for methoxyacetic acid preparation and relates to the technical field of methoxyacetic acid preparation, which comprises a concentration barrel, a spraying assembly, a collecting assembly, an evaporation assembly and a detection assembly. One side top of the concentration barrel is communicated with a liquid inlet pipe, the spraying assembly is arranged in the concentration barrel, the liquid inlet pipe is communicated with the spraying assembly, and the spraying assembly is used for spraying a solution needing to be concentrated into the concentration barrel. The collecting assembly is arranged at the bottom of the concentration barrel and is used for collecting the concentrated solution. A lead screw is fixedly arranged at the center of the bottom in the concentration barrel, the lead screw is a reciprocating lead screw, the lead screw is vertically arranged and coaxially arranged with the concentration barrel. A rotating block is spirally transmission-connected with the lead screw in the vertical direction. The evaporation assembly is used for contacting steam with the sprayed solution, so that the solvent in the solution is evaporated together. The detection assembly can assist in detecting the concentrated solution. The concentration device for methoxyacetic acid preparation can realize an efficient evaporation and concentration process.

The invention discloses a hydrolysate deacidification-dehydration coupling process and a byproduct recovery method, and belongs to the technical field of hydrolysate treatment. The method comprises the following steps: pretreating a hydrolysate raw material through two-stage filtration; adding the pretreated hydrolysate, a deacidification agent and a dehydration auxiliary agent into a coupling reaction device, and synchronously carrying out deacidification-dehydration reaction under the conditions of 60-120 DEG C and 0.1-0.5 MPa; after the reaction, separating to obtain a deacidification and dehydration product and a mixed solid phase; and dissolving and crystallizing the mixed solid phase to recover high-purity byproducts. The deacidification and dehydration synergistic interaction is achieved, the acidity reduction rate is larger than or equal to 85%, the water content is smaller than or equal to 5%, and the process time consumption is shortened by 28.6%; the byproduct purity is not less than 90%, and the recovery rate is not less than 80 A tail gas treatment system is additionally arranged to ensure that environmental protection reaches the standard. The process is suitable for biomass, polysaccharide and protein hydrolysate treatment, has the advantages of high efficiency, good resource utilization rate and the like, and provides an efficient solution for hydrolysate industrial treatment.

A device may include a memory storing instructions and a processor configured to execute the instructions to determine an initial mass of a sample; distill the sample up to at least a thermal destruction temperature; record, at a set of time points during the distilling, vapor temperature values, liquid temperature values, and vapor pressure values associated with the sample; and determine a residual mass of the sample. The processor may be further configured to generate a pressure curve based on the vapor pressure values; calculate a summary integral surface for the generated pressure curve; and generate a distillation curve that relates the vapor temperature values and the liquid temperature values to mass percentage of the sample that has evaporated, based on the calculated summary integral surface, the initial mass of the sample, and the residual mass of the sample.

The present application relates to a kind of modular horizontal evaporator, including shell, end plate being arranged in the two sides of shell and being arranged in the upper portion of shell feed inlet, steam inlet and being arranged in the lower portion of shell discharge port, condensate outlet;It also includes the core module being arranged in shell, core module includes core frame, drive shaft, multiple scrapers and multiple heat exchange plates, multiple heat exchange plates equidistantly fixed on core frame, multiple scrapers equidistantly fixed on drive shaft and are driven by drive shaft rotation, multiple scrapers are evenly distributed between multiple heat exchange plates;Drive shaft is rotationally arranged on core frame and keeps the relative position of core frame unchanged, and core module is fixed on end plate.The present application can realize the accurate control of the cooperation gap of scraper and heat exchange plate by the modular core setting, can realize the effect of anti-deposition, smooth discharge by the setting of double-blade scraper, and the present application also has the advantages of high heat exchange efficiency, convenient installation and maintenance.

The invention provides a three-time air supply methanol-to-hydrogen combustion evaporator which comprises a heat exchanger, a combustion evaporator body, a combustion chamber and a three-time air supply device, the air outlet end of the heat exchanger communicates with the three-time air supply device, and the three-time air supply device is arranged at the top of the combustion chamber. The tertiary air supply device blows flames generated during combustion of the combustion chamber to the combustion evaporator, the heat exchanger is used for preheating normal-temperature air, and the tertiary air supply device supplies air to the combustion chamber. The three-time air supply design is adopted, so that combustion is more complete, the flame temperature distribution is uniform, the heat efficiency is greatly improved, and fuel waste is reduced. Through gas preheating and waste heat recovery, external energy input is reduced, the operation cost of the system is remarkably reduced, and the energy-saving and environment-friendly trend is met. The high-temperature gas guide pipe guides waste heat back to the heat exchanger, heat energy recycling is achieved, the overall heat energy utilization rate is increased, and emission loss is reduced.

An abatement system for pyrophoric chemicals where the materials are captured or controlled by a hazard volume and fed to a vaporizer in an oxygen deprived environment. Materials are heated until vaporized while mixed with nitrogen. The mixture exits the system through a reaction column. The system is monitored by oxygen sensors, smoke detectors and temperature sensors.

To provide an improved vapor compression distillation system.SOLUTION: A distillation device comprises a source fluid input and an evaporator 6060 in fluid communication therewith. The device further comprises a compressor 6064 having an impeller coupled to a motor, the compressor having a low-pressure inlet for vapor from the evaporator and a high-pressure outlet for compressed vapor. The device further comprises a temperature sensor 6066 configured to monitor the temperature of the vapor in the inlet, and a condenser 6076 in heat transfer relationship with multiple exterior surfaces of the evaporator and in fluid communication with the compressor outlet. The device further comprises a controller 6034 configured to adjust a rotation speed of the impeller with an impeller motor command based on a calibrated motor speed for the distillation device. The controller is configured to determine an adjusted motor speed for a next use of the device and overwrite the calibrated motor speed with the adjusted motor speed.SELECTED DRAWING: Figure 2

An automated distillation system includes a distillation process under vacuum, a sampling device for extracting a vapor sample of distillate, a gas analyzer for measuring a property of the vapor sample, and a controller for analyzing the property and appropriately adjusting one or more parameters of the system, such as a level of vacuum, in response to the analysis.

The invention discloses a concentration device, which comprises a tank body, a driving assembly, a stirring assembly, a stirring assembly, a heating assembly, a heating assembly, a heating assembly, a heating assembly and a heating assembly, and the top of the tank body is provided with a feed port and communicated with a steam outlet pipe; a linkage assembly; and a cleaning assembly. A motor is started to drive a screw rod to rotate, and when a cleaning block ascends and descends, crystals on the inner wall of the tank body can be scraped off by the tip part of the outer wall of the cleaning block; in the lifting process of the cleaning block, the gear and the gear ring are meshed to drive the sleeve to rotate, the stirring blades on the outer ring of the sleeve rotate along with the sleeve to stir a solution, meanwhile, the stirring blades synchronously ascend and descend along with the cleaning block, and the movable stirring effect is better; in the process that the gear synchronously ascends and descends along with the cleaning block, the two sets of annular blocks are driven to ascend and descend through the first connecting rod and the second connecting rod, the brushes fixedly connected to the ends of the two sets of annular blocks can stir and sweep crystals accumulated between the two vertically adjacent tooth blocks in the ascending and descending process, and the moving stability of the gear and the tooth blocks is guaranteed.

Water treatment device (1), in particular for desalinizing and / or distilling and / or purifying water, through solar energy, wherein the device (1) comprises a support structure (2) having at least a first surface (5) and a second surface (6) extending between an upper part (3) and a base (4) of the support structure (2), at least one photovoltaic element (7) transparent to infrared radiation which is connected to the support structure (2) at the first surface (5), wherein the photovoltaic element (7) is part of a photovoltaic circuit (22) for the generation and storage of electrical energy, at least one condensation plane (8) connected to the support structure (2) at the second surface (6), wherein the condensation plane (8) comprises a duct (9) for receiving water to be treated and for leading a residue of treated water to the base (4) of the support structure (2), a collection tank (17) for collecting the condensed water on the condensation plane (8), at least one hydraulic apparatus (14) connected to and powered by the photovoltaic circuit (22) to regulate the flow of the water to be treated, and a control unit (18) connected to at least the photovoltaic circuit (22) and the hydraulic apparatus (14).

The application discloses a kind of desulfurization solution regeneration quality on-line monitoring system and on-line monitoring method, and on-line monitoring system includes the desulfurization device and desulfurization solution regeneration device of intercommunication;Desulfurization device includes desulfurization tower;Desulfurization solution regeneration device includes regeneration tower, regeneration tower and desulfurization tower are communicated, reboiler is communicated at the bottom of regeneration tower, heating steam pipe is communicated on reboiler, and flowmeter and regulating valve are arranged on heating steam pipe;Desulfurization tower top is communicated with gravity separator, and hydrogen sulfide and total sulfur on-line analyzer are arranged on the outlet pipeline of gravity separator;Temperature measuring instrument is arranged on the top of regeneration tower;Hydrogen sulfide on-line analyzer, total sulfur on-line analyzer, temperature measuring instrument, flowmeter and regulating valve are signal connected with controller.The desulfurization solution regeneration quality on-line monitoring and judgment are realized, and the result is applied to the control of desulfurization solution regeneration heat source steam quantity, the desulfurization solution regeneration steam quantity is lowest under the premise of guaranteeing product natural gas quality, reaches the purpose of energy saving and consumption reduction, simultaneously also solves the desulfurization solution regeneration quality needing to be analyzed by manual sampling, and whether regeneration quality is qualified is judged according to experience.

The present application relates to spray drying control technical field, disclose based on organic water solution spray drying multivariable control system. The system includes data acquisition, drying parameter determination, drying state perception, drying abnormal intervention and multivariable control module. Data acquisition module obtains the solution to be dried and collects equipment operating parameters, identifies environmental state and solution characteristics;Drying parameter determination module sets target parameters accordingly, locates the relative position of the equipment and determines the initial drying array;Drying state perception module combines the initial array and the preset rule to perceive the real-time state, analyzes the environmental change trend and sets the abnormal perception mode;Drying abnormal intervention module identifies abnormalities based on the mode, sets intervention mechanism in combination with the preset trajectory prediction network;Multivariable control module carries out multivariable control based on the above information, and obtains the result. The system can enhance the accuracy and stability of spray drying.

To provide an improved vapor compression distillation system.SOLUTION: The distillation device comprising a raw fluid input and an evaporator 6060 in fluid communication therewith, the device further comprising a compressor 6064 having an impeller coupled to a motor, the compressor having a low pressure inlet for vapor from the evaporator and a high pressure outlet for compressed vapor, the device further comprising a temperature sensor 6066 monitoring the temperature of the vapor at the inlet, and a condenser 6076 in heat transfer relationship with a plurality of external surfaces of the evaporator and in fluid communication with the outlet of the compressor; The device further comprises a controller 6034 for adjusting the rotational speed of the impeller with an impeller motor command based on a calibrated motor speed for the distillation device, wherein the controller is configured to determine an adjusted motor speed for a next device use and overwrite the calibrated motor speed with the adjusted motor speed.SELECTED DRAWING: Figure 2

A method of concentrating a process fluid, including a carrier fluid, including: (a) maintaining a process fluid at a predetermined temperature value / range; (b) evaporating the carrier fluid from the process fluid to produce a concentrated process fluid; (c) monitoring at least one process variable of steps (a) or (b) to detect fouling formed in either step (a) or (b); and (d) initiating a cleaning protocol if the process variable deviates from a predetermined value / range to reduce the fouling formed.

The application discloses a multi-effect evaporator and a circulating evaporation process thereof, and belongs to the evaporator field. The multi-effect evaporator and the circulating evaporation process thereof comprise an evaporator body, a connecting top cover is arranged on the top of the evaporator body, a water inlet pipe is fixedly connected to the surface of the evaporator body, and a discharge pipe is fixedly connected to the bottom of the evaporator body. The application can comprehensively clean the inside of the evaporator body, prevent the evaporator body from being opened during cleaning and the operation from being complicated, further improve the cleaning efficiency, ensure the self-cleaning degree, prevent the cleaning effect from being affected by the attached water scale and adhered crystal body, further improve the cleaning quality, and enable the water scale and adhered crystal body to be blown away in time during the cleaning process, so that the cleaning difficulty is further reduced.

To make concentration control possible at high speed and with overshoot suppressed.SOLUTION: An apparatus for controlling concentration 10, to be used in a material vaporizing system 100 to supply material gas produced by introducing carrier gas to a liquid or solid material received within a vaporization tank 2 into vaporization, comprises a flow-rate controller 5 that controls the flow rate of carrier gas, a concentration measuring unit 6 that measures the concentration of material gas, and a flow-rate control unit 11 that controls the flow-rate control input to the flow-rate controller 5 under model predictive control based on a target concentration value of the material gas and a concentration value measured at the concentration measuring unit 6.SELECTED DRAWING: Figure 1

This invention relates to a method for preparing black ginseng concentrate and the black ginseng concentrate prepared by the above method. The method for preparing black ginseng concentrate is characterized by comprising the following steps: placing red ginseng in a continuous steam-drying machine to prepare black ginseng by steaming, cooling and drying; adding alcohol to the black ginseng powder prepared above and extracting and filtering to prepare black ginseng extract; and concentrating and heat-treating the prepared black ginseng extract using a plate evaporator.

This invention relates to the field of flue gas denitrification technology, and in particular to an SCR denitrification ammonia evaporator, comprising an ammonia evaporator body and a first set of gas distributors and a second set of gas distributors installed at both ends of the ammonia evaporator body. Both the first and second sets of gas distributors include two spiral gas distributors rotating in opposite directions. The first set of gas distributors increases the turbulence of the flue gas entering the ammonia evaporator body, thereby improving the mixing effect of the flue gas and ammonia vapor. The second set of gas distributors reduces the velocity of the mixed gas, further making the gas mixture more uniform and changing the flow state of the mixed gas, ensuring that the Reynolds number of the mixed gas is less than 2000. This ensures that the mixed gas flows into the SCR reactor in a uniform and stable laminar flow state. The laminar flow of the mixed gas mixes more uniformly with the catalyst in the SCR reactor, further improving the reaction efficiency.

The present invention relates to a device and an arrangement for selective solvent evaporation from a liquid feed, the feed comprising one or more components diluted in at least a first solvent or a solvent blend, comprising: a) a first tubular vessel having a distal end or a channel suitable for the formation of a droplet of a first volume, at an inflow rate r1, at the tip or in the lumen of the tubular vessel, and b) means for subjecting the droplet to a solvent removal step at an evaporation rate r2 to evaporate at least part of the first solvent or solvent blend, to accumulate the components in the feed in the droplet during the evaporation process at an accumulation rate r3, to obtain a concentrated feed volume in a concentrated droplet, wherein the evaporation and / or inflow rates are continuously adjusted to achieve a desired accumulation rate. The invention further relates to a method for selective solvent removal from an analyte mixture obtained in a chromatographic separation process.

The invention relates to the technical field of crossing of mechanical engineering and process control, discloses an airflow spray dryer energy efficiency energy-saving and efficiency-improving method and system based on big data, and aims to solve the problems that atomization parameters are rigid, a nozzle is easy to block, control lags and energy efficiency and quality are difficult to consider in the drying process of high-viscosity slurry. The method comprises the following steps: acquiring slurry viscosity and droplet particle size distribution through high-frequency online rheological sensing and high-speed imaging; multi-source time sequence data are fused and input into a lightweight spatial-temporal feature extraction network, and optimization instructions of the fan rotating speed, the nozzle aperture and the hot air temperature are output in a millisecond level; and the piezoelectric fine adjustment mechanism and the frequency conversion fan are driven to execute self-adaptive regulation and control, and preventive maintenance is achieved in combination with micro-vibration anti-blocking and blocking risk prediction. The system integrates a sensing module, a modeling module, an execution module and an optimization module, the heat energy utilization rate is remarkably increased, and the diameter deviation of liquid drops is controlled within a small range.

The invention discloses a device for preparing plant water and plant honey of sweet sorghum. The device comprises a buffer tank, a primary heater, a first evaporation circulation mechanism, a second evaporation circulation mechanism, a subsequent treatment mechanism, a temporary storage tank, a heat source and a control mechanism. During working, juice is preheated by the buffer tank and the primary heater and then sequentially enters the first evaporation circulation mechanism and the second evaporation circulation mechanism to be subjected to two-stage concentration. Most plant water and intermediate media are separated in the first stage, the intermediate media are further concentrated in the second stage, and a small part of plant water and plant honey are separated. And the plant water is sent to a subsequent treatment mechanism for sterilization and other treatment. The control mechanism detects the Brix value of the plant honey in real time, and if the Brix value reaches the standard, the plant honey is guided to enter a temporary storage tank for storage; and if the concentration does not reach the standard, refluxing to the buffer tank, and re-entering the first evaporation circulating mechanism for re-concentration. The plant honey is prepared while the plant water is prepared, so that the comprehensive utilization rate of resources is increased, the production cost is reduced, and the large-scale production requirement is met.

The invention belongs to the technical field of hydrogen production equipment, and particularly relates to an evaporation overheating device and a hydrogen production system.The evaporation overheating device is characterized in that a heat-conducting medium, a coil pipe used for circulating methyl alcohol and multiple sets of electric heating pipes arranged in a U shape are arranged in a shell, the shell is used for introducing the heat-conducting medium, and the electric heating pipes and the coil pipe are at least partially in contact with the heat-conducting medium. The corrosion phenomenon caused by direct contact between the electric heating pipe and the methanol solution is avoided, efficient and accurate heat exchange is facilitated, the fault occurrence rate caused by multiple devices is reduced, and the maintenance cost of the device is greatly reduced.

An apparatus and method for concentrating a fluid. A method of producing a sugar concentrate from sugar cane, including: (a) obtaining a sugar-containing extract from sugar cane; (b) maintaining the extract at a predetermined temperature value / range; (c) clarifying the extract in the absence of added lime; (d) evaporating water from the extract in an evaporator to form a sugar concentrate and an exiting air stream; (e) monitoring a process variable of step (b) or (d) to detect fouling formed in either step (b) or (d); (f) initiating a cleaning protocol if the process variable deviates from a predetermined value / range to reduce the fouling formed; and (g) directing part of the exiting air stream into a drift chamber located downstream of the evaporator having a plurality of run-off outlets to remove entrained non-vaporised sugar cane extract droplets prior to returning the air stream to the evaporator.

This invention discloses an alkali condensation assembly and method for an indigo production line, mainly relating to indigo production. It includes a triple-effect evaporator, a preheating pot connected to the triple-effect evaporator, and a heat exchange evaporator connected to the preheating pot via pipeline. The bottom of the heat exchange evaporator is located inside the furnace body. The heat exchange evaporator includes a heating section at the bottom, a heat exchange section in the middle, and a feeding section at the top. The top of the feeding section has an overflow outlet. The beneficial effects of this invention are: it concentrates the diluted alkali solution in the indigo production line by using different heat exchange media to progressively concentrate the alkali solution; the heat exchange evaporator uses the flue gas generated during combustion in the burner to further concentrate the alkali solution; and by utilizing the membrane evaporation principle, the heat exchange evaporator achieves higher evaporation efficiency when concentrating the alkali solution, and the evaporated steam in the solution is recovered and reused.

Modular evaporator systems for energy-efficient water heating and simultaneous water purification and production of distilled water. The invention relates to modular evaporator systems for energy-efficient water heating, purification and distillation. The system uses water gas to simultaneously use thermal energy for heating water (e.g. in aquariums) and to produce distilled water. It includes various types of evaporators that control air and water intake, as well as compact, integrated devices that save space, both as replacements for heating elements in aquariums and as instantaneous water heaters for domestic hot water. A modular system allows for the flexible assembly of various circuits and cooling combinations. Special cooling solutions can also generate mechanical energy, and innovative pinhole technologies allow precise control of the amount of air and water supplied. The invention offers a flexible, energy-efficient solution for distillation processes and water treatment that can be adapted to various applications.

The invention discloses intelligent solution concentrating and filling equipment which comprises a control module, a packaging module, an evaporation assembly provided with an evaporation tank, an extraction pump, a final liquid tank and a distribution pump. The extraction pump is connected with the evaporation tank and the final liquid tank and is used for extracting the evaporated and concentrated solution to the final liquid tank; the distribution pump is connected with the final liquid tank and matched with the packaging module, and the solution in the final liquid tank is conveyed to the packaging module to be packaged; the final liquid tank is provided with a final liquid measuring device for measuring the volume of the solution; the control module is connected with the evaporation assembly, the extraction pump, the distribution pump, the final liquid measuring device and the packaging module; after the control module sets the solution filling quantity, the distribution pump is controlled to carry out average distribution according to the filling quantity according to the solution volume fed back by the final solution measuring device, and the packaging module is controlled to carry out concentrated solution packaging according to the quantity. The problems that traditional concentration filling equipment is low in precision, poor in efficiency, high in manual dependence and the like are systematically solved through intelligent regulation and control of the control module, and the production efficiency and the product quality of liquid medicine preparations are remarkably improved.