57results about "Sugar crystallisation" patented technology

The utility model discloses a sugar boiling crystallizing tank applied to refined sugar, which comprises a tank body, the tank body comprises a heating chamber and a juice steam chamber, the juice steam chamber is positioned above the heating chamber, a plurality of heating tube nests, a central downcomer, a circulating pipe, a light ammonia discharge pipe and a heavy ammonia discharge pipe are arranged in the heating chamber, and a juice catcher is arranged at the top of the juice steam chamber. The juice catcher is provided with a juice steam outlet connected with the outer side of the tank body, a juice steam baffle is arranged below the juice catcher and located in the middle of the juice steam chamber, the outer side of the top of the juice steam chamber is sunken downwards towards the middle position, a stirring mechanism is arranged at the sunken position, and an output shaft of the stirring mechanism extends into the tank body and is connected with a detachable bearing on the outer side of the bottom of the tank body. The crystallization tank is reasonable in design, the circulation ratio of the crystallization tank is reduced due to the design of the circulation pipe, the convective circulation effect of massecuite in the crystallization tank is remarkable, in addition, the heat transfer effect is good, low-pressure juice steam can be comprehensively used as a heat source, and therefore the thermal economic benefit of a whole plant is improved.

The present invention relates to methods to produce crystalline lactose, more specifically lactose obtained from a biotechnological production process.

The invention relates to the technical field of rock sugar processing, and discloses rock sugar crystallization and forming integrated production equipment which comprises a mounting frame, a crystallization tank is fixedly mounted on the inner side of the mounting frame, a driving motor is mounted at the top of the crystallization tank, and a driving shaft is fixedly mounted at the output end of the driving motor; a fixing frame is fixedly connected to the middle side of the exterior of the driving shaft, a first driving gear is fixedly connected to the inner side of the crystallizing tank through a plurality of fixing rods, and mixing shafts are movably connected to three protruding parts of the fixing frame through bearings. By additionally arranging the driving shaft, the driving gear I and other structures in the crystallizing tank, the mixing blades rotate while revolving, so that the mixing efficiency is improved, the sugar liquid is ensured to be quickly and uniformly distributed, the local concentration difference is avoided, and an ideal environment is provided for uniform growth of crystal sugar. Meanwhile, the planetary mixing assembly drives the spraying assembly to synchronously work when working, a solvent, an anti-solvent or an additive can be sprayed into the tank, and the concentration and the supersaturation degree of the solution are accurately regulated and controlled.

The present application relates to allulose crystals, which have an X-ray powder diffraction pattern including peaks at 2θ diffraction angles of 18.8±0.5°, 15.2±0.5°, and 19.5±0.5° in X-ray powder diffraction (XRD) analysis, a sweetener composition containing allulose crystals, and a method for producing allulose crystals.

The invention relates to the technical field of brown sugar processing, in particular to an additive-free ancient-method brown sugar processing technology and device.The additive-free ancient-method brown sugar processing technology comprises a base, a lifting assembly, a rotating assembly, a mounting frame, a sanding equipment body, a heat preservation sand barrel and a cleaning assembly.When the heat preservation sand barrel and the sanding equipment body need to be cleaned, water is injected into the heat preservation sand barrel; the sand blasting equipment body is moved into the heat preservation barrel through the lifting assembly and the lifting assembly, the heat preservation sand barrel is heated, brown sugar on the sand blasting equipment body is melted through high temperature, the lifting assembly and the rotating assembly work to move the sand blasting equipment body out of the side away from the heat preservation sand barrel, and the cleaning assembly is moved into the heat preservation sand barrel; the cleaning assembly is matched with the lifting assembly and the rotating assembly to clean the inner wall of the heat preservation sand barrel, and therefore the problems that in a traditional technology, alkaline food additives need to be added to promote brown sugar crystallization, and sugar crystals are likely to be condensed on a container in the sanding process and are not beneficial to cleaning are solved.

The present application relates to the technical field of sugar syrup processing, and discloses a purified sugar syrup crystallization process, which comprises the following steps: (1) after the sugar syrup is filtered and heated, it is delivered to a crystallization tank to obtain massecuite, the massecuite is sequentially subjected to crystal nucleation in a crystal nucleation tank and honey separation in a separator to obtain white granulated sugar and primary massecuite; (2) the primary massecuite is filtered by a filter, the filtrate is mixed with the white granulated sugar, the filtrate is mixed with the primary massecuite, and the mixture is heated and delivered to a second-stage crystallization tank; (3) the massecuite obtained by boiling in the second-stage crystallization tank is sequentially subjected to crystal nucleation in a crystal nucleation tank and honey separation in a separator to obtain secondary massecuite and secondary primary massecuite; and (4) the degree of the secondary primary massecuite is determined, and whether to continue to enter the third-stage crystallization is determined by comparing the degree of the secondary primary massecuite with a preset waste honey degree. The crystallization process of the purified sugar syrup is simple, low in energy consumption, high in sugar yield, low in color value, can greatly reduce the use of equipment, and can reduce the production cost.

A simple method for animal-free lactose synthesis. The present invention relates to a method for producing lactose, more particularly without separation from mammalian milk. Further, the present invention provides a method for purifying the lactose produced.

The utility model discloses an MVR (Mechanical Vapor Recompression) sucrose crystallization steam circulating device, which belongs to the technical field of sucrose production equipment and is characterized by comprising a vacuum crystallizing tank, a cleaning mechanism, a gas-liquid separator and a steam compressor, a gas outlet pipe at the upper end of the cleaning mechanism is connected with a gas inlet of the gas-liquid separator through a connecting pipe, a gas outlet of the gas-liquid separator is connected with a gas inlet of the steam compressor through a connecting pipe, the steam compressor is connected with a gas inlet of a heating chamber of the vacuum crystallizing tank, and a gas outlet of the vacuum crystallizing tank is connected with the water-sealed tank through a connecting pipe. Compared with the prior art, the vacuum crystallization tank has the characteristics that steam generated by syrup in the crystallization chamber of the vacuum crystallization tank is pressurized and heated, and then is introduced into the heating chamber of the vacuum crystallization tank for heating.

The utility model discloses a sugar cooling vertical crystallizer which comprises a vertical tank body, a top cover is arranged at the top of the tank body, a syrup inlet is formed in the top cover, a conical hopper is arranged at the bottom of the tank body, a syrup outlet is formed in the conical hopper, a plurality of heat exchange coil pipes are arranged in an inner cavity of the tank body in the height direction, each heat exchange coil pipe adopts a circular pipe distribution mode, and six concave arcs are evenly distributed on the periphery of each heat exchange coil pipe. A vertical column extending in the vertical direction is arranged in each concave arc, each heat exchange coil pipe is supported on a radial support, and the outer end of each radial support is fixedly connected to the corresponding vertical column. A lifting mechanism for driving the stand columns and the heat exchange coil to ascend and descend is arranged above the top cover. An upper stirring mechanism for uniformly distributing syrup on the cross section of the tank body is arranged above the top-layer heat exchange coil pipe, and a lower stirring mechanism is arranged in the conical hopper. The sugar cooling vertical crystallizer is high in crystallization efficiency, short in crystallization time, high in single productivity and low in operation failure rate.

The utility model discloses a horizontal sugar cooling crystallizer which is characterized in that a front end cover and a rear end cover respectively cover a front port and a rear port of a horizontal cylinder, a feed port is arranged at the top of the front end of the cylinder, a discharge port is arranged at the lower part of the rear end cover, a central rotating cylinder is arranged along the axis of the cylinder, two ends of the central rotating cylinder are closed and are connected with rotating shafts, and the rotating shafts respectively extend out from the centers of the front end cover and the rear end cover; the shaft end of the front side rotating shaft is provided with a front rotating joint for leading in cooling water, and the shaft end of the rear side rotating shaft is provided with a rear rotating joint for leading out the cooling water; a plurality of groups of double-layer cooling coils are wound on the periphery of the central rotary drum, the double-layer cooling coils are alternately and continuously wound along the large-diameter circumference and the small-diameter circumference along the axial direction of the central rotary drum, inlets of the double-layer cooling coils are respectively connected with a water supply port on the central rotary drum, and outlets of the double-layer cooling coils are respectively connected with a water outlet on the central rotary drum. According to the horizontal sugar cooling crystallizer, the crystallization efficiency can be improved, the crystallization time can be shortened, the single productivity can be improved, meanwhile, the equipment structure is optimized, and the equipment operation failure rate is reduced.

Systems and methods for preparing compound crystals of erythritol and high-intensity sweeteners are provided. The systems may comprise a fermentation liquid storage tank (1), a ceramic membrane filtration system (2), a nanofiltration system (3), a first evaporator (4), a first crystallization kettle (5), a first centrifuge (6), a sugar dissolution tank (7), a decolorization tank (8), an ion exchange column (9), a blending tank (10), a second evaporator (11), a second crystallization kettle (12), a second centrifuge (13), a hot-air drying tank (14), a fluidized drying bed (15), and a finished product tank (16) sequentially connected through pipelines. The systems may further comprise a high-intensity sweetener storage tank (17), a primary mother liquor tank (18), and a secondary mother liquor tank (19). The finished product tank (16) may store a prepared compound crystallization product of the erythritol and the high-intensity sweetener.

The invention relates to a process for directly producing refined white granulated sugar at a low temperature of 50-60 DEG C by using raw sugar as a raw material through a composite enzymolysis technology (including a synergistic effect of alpha-amylase and saccharifying enzyme). Compared with traditional high-temperature refining, the process has the advantages that the energy consumption is reduced by 40%, more natural minerals are reserved, and the purity of the finished white granulated sugar reaches 99.9% or above. The key technology comprises enzymolysis pH value accurate control (6.0-6.5) and stepped low-temperature crystallization.

This invention discloses a vacuum concentration device for rock sugar production, comprising a tank body. The bottom of the tank body is mounted on a first support frame, and one end of the tank body has a discharge port with a detachable sealing door. The first support frame is horizontally placed on a second support frame, and the ends of the first and second support frames near the discharge port are rotatably connected. The bottom of the first support frame and the second support frame are connected by a lifting mechanism. Under the drive of the lifting mechanism, the tank body is rotated from a horizontal position to an inclined position. The top of the tank body is connected to a negative pressure device, and the bottom of the second support frame is mounted on a swing mechanism. In use, after crystallization for a preset time, the sealing door can be opened, and the telescopic mechanism can be extended to tilt the tank downwards, allowing the rock sugar to continuously fall along the discharge port, facilitating the discharge of the rock sugar from the tank body.

The invention discloses a material-balanced sugar cooking method, computer equipment and a storage medium, and the method comprises the following steps: obtaining syrup for sugar making, and determining the amount and purity of the syrup; determining the target purity of the sugar crop finished product and the waste molasses; determining the number of sugar boiling sections and the sugar extraction rate of each section of massecuite, and calculating the purity of each section of massecuite and the reboiling amount of molasses according to the sugar extraction rate of the massecuite; calculating the material quantity and purity of the seeds, the material quantity of massecuite, the material quantity and purity of sugar crystals and the material quantity and purity of molasses in each section of sugar boiling process; mixing the syrup with the reboiled molasses to prepare massecuite; according to the determined number of sugar boiling sections and the material amount and purity of the seeds, massecuite, sugar crystals and molasses in the sugar boiling process of each section, sugar material boiling is conducted, and a sugar material finished product is obtained. According to the method, a univariate solution method is used, the sugar extraction rate of massecuite is used as a control condition, a material balance mode with the minimum recooking amount, the simplest and most convenient batching method and the maximum utilization of equipment conditions is rapidly designed, and real-time updating of the sugar cooking method is achieved.

The invention relates to a method of making a sugar beet powder product, said method comprising the steps of obtaining a solid fraction and a liquid fraction from sugar beet, crystallizing sucrose comprised within the liquid fraction, treating the solid fraction to reduce geosmin content, mixing the solid and liquid fractions, and reducing the particle size.

A beet sugar production method for improving the quality of finished sugar comprises the following steps: Evaporated and concentrated sugar syrup is fed into a seed crystallizer, heated under low vacuum until saturated, then cooled to allow the syrup to enter the supersaturated metastable region, and finally, alcoholic sugar paste is added at a constant temperature of 64°C. The cooking time is controlled at 45–60 minutes, maintaining a supersaturation coefficient of 1.05–1.10 to prevent natural crystallization. After the material is cured at a constant temperature to repair the crystals, it is cooled to 18–20°C, and crystallization is achieved through stirring and precise temperature control using PID control, yielding primary seed sugar with an average particle size of 50 μm and a particle size deviation ≤3%. Concentrated sugar syrup is added, and the mixture is kept at a constant temperature of 30–35°C for 3–4 hours to produce crystal seed sugar with a particle size of 120±5 μm and a crystal integrity ≥95%. The crystal seed sugar is quantitatively added to each stage of the sugar boiling process, with segmented temperature control and matched with limited steam pressure to complete the boiling process. This invention features a standardized process, eliminating reliance on manual experience, effectively improving the quality and stability of the finished sugar, and achieving high production efficiency.

The invention relates to a method for selective crystallization of 2′-FL from an aqueous solution comprising 2′-FL and one or more other fucosylated carbohydrates by adding acetic acid to the solution.

The utility model discloses a separation device for producing L-arabinose, which comprises a crystallization box, a feeding pipe is fixedly arranged at the top of the crystallization box, the top of the feeding pipe is in threaded connection with a threaded cover, a cooling pipe is fixedly arranged on the surface of the crystallization box, and a temperature sensor is fixedly arranged at the top of the crystallization box. The detection end of the temperature sensor extends into the crystallization box, a connecting assembly is fixedly installed at the bottom of the crystallization box, a filter box is arranged at the bottom of the crystallization box through the connecting assembly, a vibration assembly is arranged at the top of the filter box, a frame is slidably connected into the filter box, and a filter plate is fixedly installed on the inner wall of the frame. A limiting assembly is arranged on the front side of the filtering box, and a discharging pipe is fixedly installed at the bottom of the filtering box. The L-arabinose crystals adhered to the crystallization box can be conveniently shaken off, so that the L-arabinose crystals adhered to the crystallization box can be conveniently cleaned, and the waste of the L-arabinose crystals is avoided.

The utility model relates to the technical field of sugar manufacturing equipment, and discloses a pre-crystallization device of a sugar boiling tank, which comprises a thick arabinose tank, the sugar boiling tank, a vacuum pump, a plate heat exchanger, a horizontal crystallizer and a controller, the thick arabinose tank is connected with the sugar boiling tank through a feeding pipeline, and the feeding pipeline comprises two branches, the branch I is provided with a small feeding valve I, the branch II is provided with a large feeding valve II, the sugar boiling tank is provided with a vacuumizing pipeline which is connected with the vacuum pump, a heat exchange tube bundle is arranged in the sugar boiling tank, and the lower end of the sugar boiling tank is provided with a discharging pipeline I which is communicated with the horizontal crystallizer. The temperature, the pressure, the liquid level and the vacuum degree are controlled and adjusted by a controller, psicose crystals are grown and grown through a sugar boiling tank, and then the psicose crystals are produced through a horizontal crystallizer; various process parameters can be more accurately controlled by adopting an automatic sugar boiling technology, the production period is shortened, the production consumption is reduced, the labor force is reduced by controlling the vacuum degree, and the production efficiency is greatly improved.

The utility model relates to the technical field of rock sugar processing equipment, and discloses an automatic control system capable of saving energy and improving the crystallization rate of rock sugar, the automatic control system comprises a stainless steel spiral fin radiator, square notches are formed in the inner bottom wall and the inner top wall of the stainless steel spiral fin radiator, and fixing plates are welded to the inner sides of the notches of the stainless steel spiral fin radiator; the inner side of the fixing plate communicates with an air guide pipe, cooling fins are welded to the outer surface of the air guide pipe, a fan is installed on the back side of the stainless steel spiral fin radiator, and the top and the bottom of the stainless steel spiral fin radiator communicate with an air inlet pipe and an air outlet pipe correspondingly. According to the automatic control system capable of saving energy and improving the crystal rate of rock candy, when the air inlet pipe is connected with an external steam pipeline, hot steam is introduced into the air guide pipe through the air inlet pipe, heat in the hot steam is conducted into the stainless steel spiral fin radiator through the cooling fins and then blown into the heat preservation room through the draught fan, and therefore the temperature in the heat preservation room is rapidly adjusted; the crystal sugar crystallization rate is improved.

The present invention relates to processes and an apparatus for producing dried carbohydrate preparations starting from a carbohydrate starting preparation which is dissolved in water, and to dried carbohydrate preparations produced by these processes.

The utility model belongs to the technical field of chemical equipment, and particularly relates to an evaporative crystallization tank which comprises a kettle body, a feeding pipe and a pure water pipeline are arranged at the bottom of the kettle body, a preheater, an evaporative heat exchanger and a separator are sequentially connected to the lower portion of the kettle body, and the lower portion of the preheater is connected with the bottom of a steam heat exchanger. A tubular heater is arranged at the lower part of the inner side of the kettle body; a vertical stirring assembly is arranged in the kettle body, penetrates through the top of the kettle body and is connected with a motor; the upper part of the kettle body is connected with a steam pipeline; the top of the kettle body is connected with a vacuum condenser; and the vacuum condenser is connected with a vacuum pump. According to the utility model, heat exchange is carried out through secondary steam at the lower part of the kettle body, and a sugar solution is heated inside and returns to the kettle body after being circulated outside the kettle, so that the mixing degree of the sugar solution and the contact area between the sugar solution and air can be increased.

The utility model discloses an efficient plate-type evaporation device with an automatic cleaning device for rock sugar production, which comprises a support plate, one side of the support plate is fixedly connected with an external clamping plate, and one side of the external clamping plate is fixedly connected with a metal heat-conducting fin. According to the efficient plate-type evaporation device for rock candy production, by arranging the supporting plate, the external clamping plate, the connecting bolt column, the screw, the connecting ring, the vertical plate, an upper motor, a vertical rotating threaded column, a movable plate, a movable motor, a transverse rotating threaded column, a movable block, a working motor, a telescopic transverse column, a rotary cleaning brush and a metal heat conducting piece, the efficient plate-type evaporation device for rock candy production can be used more conveniently; according to the plate type evaporation device cleaning device, the plate type evaporation device can be automatically cleaned without manual assistance of workers, so that the working content of the workers is reduced, the working complexity of the workers is reduced, the working efficiency of the workers is improved, and the problem that automatic cleaning cannot be achieved at present is solved through the plate type evaporation device cleaning device.

The utility model provides a single crystal rock sugar discharging machine of a crystallizing tank, which belongs to the technical field of particle material conveying and structurally comprises the crystallizing tank and a chain plate type conveyor. A discharging window is formed in the side wall of the crystallizing tank; an opposite spiral shifting wheel collector is fixedly arranged at the upstream end of the chain plate type conveyor; the front end of the upper conveying face of the chain plate type conveyor is arranged in the tangential direction of the lower edge of the shifting wheel conveying mechanism and used for receiving backward feeding of the shifting plate. The chain plate type conveyor is provided with a shell, the downstream end of the shell is communicated to the material screening box, and a large particle discharging bottom discharging opening used for discharging materials downwards is formed in the bottom of the material screening box. The single crystal rock sugar discharging device is efficient, stable, simple in structure, small in size, convenient to move and suitable for single crystal rock sugar discharging conveying operation. According to the utility model, material picking, conveying, screening and material distributing are integrated, so that the operation procedures are effectively reduced, the manual work is replaced, and the working efficiency is improved.

The utility model discloses a sealing structure of a shaft head of a crystallization assisting box, belongs to the technical field of crystallization assisting box sealing, and solves the problem that the joint of the existing crystallization assisting box and a stirring shaft is easy to leak. According to the sealing structure, a stirring shaft is arranged on a crystal assisting box, thickening plates are arranged at the two ends of the crystal assisting box, supporting sleeves are connected to the thickening plates in an inserted mode, lengthening shafts are rotationally arranged in the supporting sleeves, connecting holes are formed in one ends of the lengthening shafts on the two sides, and the two connecting holes are connected with the two ends of the stirring shaft respectively. Supporting assemblies are arranged at the other ends of the lengthening shafts on the two sides, and sealing assemblies are arranged between the supporting sleeves and the lengthening shafts. The sealing structure of the crystal assisting box shaft head improves the sealing effect, prevents liquid glucose from leaking from sealing positions on the two sides, reduces the maintenance cost and the labor intensity of workers, and has the advantages of being convenient to use and high in practicability.

The invention discloses a preparation method of composite sugar containing prebiotics. The preparation method comprises the following steps: S1, crushing sugarcanes into shredded sugarcanes, squeezing and extracting juice by a light pressing method to obtain light pressed juice and shredded sugarcanes, and extracting juice from the shredded sugarcanes by an exuding method to obtain exuded juice; s2, hydrolyzing a part of the exuded juice to obtain invert sugar; s3, mixing the lightly pressed juice, the residual exuded juice and invert sugar, adding metal salt or metal oxide, adjusting pH, and separating to obtain clear juice; s4, evaporating and concentrating the clear juice to obtain syrup; s5, adding glucoside hydrolase, glycosyltransferase and isomerase into the syrup for catalytic reaction to obtain enzyme catalyzed syrup; s6, separating the syrup subjected to enzyme catalysis to obtain pure syrup; and S7, boiling the pure syrup as a raw material into massecuite, and carrying out crystallization assisting and honey separation to obtain the sugar product. The sugar production process provided by the invention is carried out under the meta-acid and medium-high temperature conditions, harmful by-products are effectively reduced, and the nutritional value and safety of the sugar are improved.

The present disclosure relates to a crystallization process of (15α, 16α, 17β)-estra-1, 3,5(10)- triene-3,15,16,17-tetrol monohydrate (Estetrol monohydrate, Compound 1) Form 12. Compound 1

The present invention relates to a method and an apparatus for preparing a dry carbohydrate formulation from a water-dissolved carbohydrate starting formulation and a dry carbohydrate formulation prepared by the method.

The utility model relates to a device for continuously preparing cane sugar seed crystals in batches, which comprises a cane sugar solution storage tank, an ethanol storage tank, an opposed nozzle mixing tank and a seed crystal collection storage box, and the opposed nozzle mixing tank comprises a mixing tank body and 1-2 groups of nozzles. Each group of nozzles consists of a cane juice nozzle and an ethanol nozzle which are oppositely arranged on the mixing tank body, the central axes of the cane juice nozzle and the ethanol nozzle in the same group of nozzles coincide, and the cane sugar solution storage tank is communicated with the cane juice nozzle of the mixing tank with the opposite nozzles through a pipeline; and the ethanol storage tank is communicated with the ethanol nozzle of the opposed nozzle mixing tank through a pipeline. The device is simple in structure, can be used for continuously preparing sucrose seed crystals on a large scale, and is high in production efficiency, and the prepared seed crystals are regular in shape, uniform in particle size distribution and good in quality.