35results about "Sugar crystallisation" patented technology

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

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 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.

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 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 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 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 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.

The invention discloses intelligent polycrystalline rock sugar crystallization equipment, a crystallization method and a temperature control method, and relates to the technical field of polycrystalline rock sugar production.The intelligent polycrystalline rock sugar crystallization equipment comprises a sugar melting chamber, a crystallization chamber and a collection chamber, automatic feeding and water feeding are achieved through the sugar melting chamber, and the sugar melting procedure is achieved; the molten sugar is pumped into a second container of the crystallization chamber through a metering pump to be subjected to an automatic crystallization process; after crystallization is completed, the bottom plate rotates, the second container is inclined, crystal substances are poured into the collecting chamber, mother liquor is filtered through the filtering assembly, the filtered crystal substances can enter the rolling device under the guide of the discharging plate, the crystal substances are smashed through the rolling hammer to be made into finished products, the processes of automatic sugar melting, crystallization, separation and rolling are achieved, and the production efficiency is improved. Manual operation is not needed, and production efficiency and product quality are improved. The temperature control method comprises the working procedures of pre-cleaning, sugar melting, crystallization and honey draining, automatic and accurate temperature control of the whole process is achieved, the crystallization success rate is high, the quality is stable, and the production efficiency and the intelligent level are improved.

The present invention relates to a method for producing crystalline lactose, more particularly lactose obtained from a biotechnological production process.

Process for the production of sugar from beets. Process for the production of sugar from beets (B), the process comprising the steps in which at least one batch of beets is supplied; at least one pressing step of the beets is carried out to extract a sugar juice (Js1); the sugar juice is filtered using at least one filter membrane (18); the filtered sugar juice (Jsf) is concentrated by evaporation to obtain a concentrated filtered juice (Jsfc) having a dry matter concentration above a predetermined concentration threshold; a crystallization step is carried out in which the concentrated filtered juice is heated under vacuum to evaporate the residual liquid contained in the concentrated filtered juice, the heating being continued until a fully crystallized sugar (C) is obtained having a moisture content of between 0% and 10%. Figure for the abstract: Fig. 1.

The utility model relates to the technical field of monosaccharide production and processing, in particular to a monosaccharide pre-crystallization device and a monosaccharide crystallization device. The monosaccharide pre-crystallization device provided by the utility model comprises a pre-crystallization tank; the seed crystal tank is connected with the pre-crystallizing tank through a first output pipeline; the colloid mill is connected with the seed crystal tank through a second output pipeline; and the pre-crystallizing tank is connected with the colloid mill through a third output pipeline. According to the monosaccharide pre-crystallization device provided by the utility model, the seed crystal tank and the colloid mill are arranged, so that the crystal particle size distribution of the seed crystal is uniform, and oversized or undersized particles are eliminated, thereby improving the quality and consistency of products and meeting the requirements of subsequent production and processing. The utility model further provides a monosaccharide crystallization device.

The present application relates to the technical field of sugar syrup processing, and discloses a three-stage semi-crystallization process for purifying sugar syrup, comprising the following steps: chromatographically purifying sugar syrup, and then obtaining A sugar after sequentially performing cooking, crystallization aiding, and honey separation; dissolving the A sugar and mixing the same with condensed water to obtain A1 standard solution, and then performing cooking on the A1 standard solution to obtain sugar paste A1; sequentially performing crystallization aiding and honey separation on the sugar paste A1 to obtain A1 sugar and A1 raw honey; mixing the chromatographically purified sugar syrup with the A1 raw honey to obtain A standard honey, and then performing cooking on the A standard honey to obtain sugar paste A; sequentially performing crystallization aiding and honey separation on the sugar paste A to obtain A sugar and A raw honey; and performing steps (2)-(3) on the A sugar in a cyclic manner, and continuously performing two-stage crystallization processes on the A raw honey to obtain red granulated sugar and waste honey. The three-stage semi-crystallization process is used to prepare white granulated sugar, which not only effectively reduces energy consumption and cost, but also, through the synergistic effect of each process step, prepares crystalline sugar with low color value, high sucrose content, and high pass rate, and can achieve excellent industry standards.

The steam condensation waste heat recycling device comprises an evaporation tank, a sugar boiling tank, a steam condensation water balance box, a tubular heater and a collection box. A recycled steam condensate outlet of the evaporation tank is communicated with a steam condensate balance box pipeline; a recycled steam condensate outlet of the sugar boiling tank is communicated with a steam condensate balance box pipeline; an outlet of the steam condensate balance box is communicated with a heat source inlet pipeline of the tubular heater; a heat source outlet of the tubular heater is communicated with a collecting box pipeline; an outlet of the collecting box is communicated with the filter-pressing seepage water storage tank through a pipeline; and a liquid inlet of the tubular heater is communicated with the mixed juice storage tank through a pipeline. The device can fully recycle waste heat of steam condensate, reduce energy consumption, guarantee a heating source of the last-effect evaporation tank and the vacuum degree of the last-effect evaporation tank, and enable steam for evaporation to be controlled more stably.

The present invention relates to a method for producing a sugar beet flour product, comprising the steps of obtaining a solid fraction and a liquid fraction from sugar beets, crystallizing sucrose contained in the liquid fraction, treating the solid fraction to reduce its geosmin content, mixing the solid fraction and the liquid fraction, and reducing the particle size.

This utility model discloses a crystallization tray for easy material handling in rock sugar production, belonging to the field of crystallization tray technology. It includes a production box, with a partition located at the lower center of the box's interior. A crystallization placement structure, comprising a crystallization tray frame, is located at the center of the upper surface of the partition. The inner wall of the crystallization tray frame is fitted with an anti-stick coating. Multiple sliding grooves are arranged front-to-back on both sides of the upper surface of the anti-stick coating, with each groove forming a group of two. Slide plates are located at the front and rear of the center of the anti-stick coating. Furthermore, this utility model prevents direct contact between the solution and the crystallized rock sugar with the crystallization tray frame, greatly facilitating subsequent material handling. The size of the space inside the anti-stick coating can be flexibly adjusted to adapt to crystallization needs, allowing crystallized blocks to be more smoothly removed from or placed into the crystallization tray frame.

A continuous vacuum crystallizer for crystallization of sugar is disclosed. The continuous vacuum crystallizer includes a cylindrical housing having at least one inlet passage and at least one outlet passage adapted to receive a flow of steam and to receive a flow of vapor, respectively. The continuous vacuum crystallizer includes a plurality of vacuum chambers stacked in the cylindrical housing and adapted to be in fluid communication with each other and with each of the at least one inlet passage and the at least one outlet passage. One of the plurality of vacuum chambers is adapted to receive mother liquor which is cascaded down through each of the plurality of vacuum chambers. The continuous vacuum crystallizer includes a plurality of agitators coupled to at least one shaft adapted to be driven by at least one driving member. The flow of vapor from each of the plurality of vacuum chambers is collected in one header and then been re-compressed to generate the flow of steam which is fed to each of the plurality of vacuum chambers through the plurality of openings.