180 results about "Starch production" patented technology

A method for producing carbon foam boards from starch for use as an insulation material or a filter is disclosed. The method is suitable for producing fine-pored carbon foam boards having a mainly homogeneous structure. This is achieved by sprinkling at least one very thin layer of foamable starch powder onto a temperature-resistant boardlike substrate, introducing the starch-powder-coated substrate into a furnace, introducing air, argon or nitrogen into the furnace until an internal pressure of ≈720 mbar to ≈1000 mbar has been established, heating the furnace to a foaming temperature of 180° C.-450° C. to foam the starch powder, maintaining the temperature over a prolonged duration of up to 10 hours to stabilize the foamed starch into a foam board.

The invention relates to the technical field of starch raw material crushing, in particular to a raw material crushing device for sizing starch production and a using method thereof. Comprising a shell, a feeding port is formed in the upper side of the shell, a discharging port is formed in the lower side of the shell, the shell is rotationally connected with a transmission roller, the transmission roller is rotationally connected with sleeves, the sleeves are jointly and fixedly connected with a screen, a first arc-shaped plate and a second arc-shaped plate are fixedly connected in the shell, and a baffle is fixedly connected to the upper side of the screen. A support is fixedly connected to the transmission roller and rotationally connected with a square hammer. A baffle is driven to rotate through reciprocating rotation of a screen, sweet potato blocks are continuously thrown to the right side from the lower side of a support, and the sweet potato blocks stacked on the screen are raised and crushed repeatedly in this way, so that the situation that due to the fact that the sweet potato blocks are stacked on the screen, large sweet potato blocks are clamped into holes of the screen, and the discharging speed after sweet potato crushing is affected is prevented; the crushing efficiency of the sweet potato blocks is further influenced.

The invention relates to a method for preparing porous starch with high oil absorption rate, and belongs to the technical field of starch production. The method comprises the following preparation steps: weighing a cross-linked body, sequentially adding ammonium ferrous sulfate solution, deionized water, ethyl methacrylate, thiourea oxide and hydrogen peroxide solution, controlling the rotation speed, mechanically stirring, passing nitrogen, controlling the temperature for reaction, washing with water after the reaction is completed to obtain grafted porous starch, placing the grafted porous starch in an extractor for acetone extraction for 24-26 hours, taking out, drying, and obtaining a porous starch with high oil absorption rate; the method adopts a composite enzyme of a specific proportion to reduce the bulk density, introduces sodium trimetaphosphate to increase the cross-linking degree, and reduces the sedimentation volume; a porous network structure surface formed by sodium trimetaphosphate and the porous starch after enzymolysis absorbs ethyl methacrylate into the interior of particles, and a specific ratio of hydrogen peroxide and thiourea oxide increases the grafting rate and grafting efficiency of ethyl methacrylate, thereby increasing the oil absorption rate.

The utility model relates to the technical field of precipitation devices, and discloses a precipitation device for sweet potato starch production, which comprises a separation barrel, a motor protection shell, a first motor, a sealing top cover and a mounting frame, a second motor is fixedly mounted in the middle of the inner wall of the bottom of the mounting frame, a rotating disc is fixedly mounted at the output end of the second motor, a deviation rod is fixedly mounted at the end, away from the circle center, of the top of the rotating disc, a connecting rod is fixedly connected to the upper end of the deviation rod and is in an L shape, and a screen frame is arranged on the front side of the connecting rod. The middle of the rear side wall of the screen frame is fixedly connected with the front end of the connecting rod, and a screen is fixedly installed at the bottom of the screen frame. According to the sweet potato raw liquid screening device, sweet potato raw liquid flowing into the screen is screened back and forth, so that impurities contained in the sweet potato raw liquid are screened, and the practicability is improved.

The invention provides a closed-loop control method for viscosity in a pregelatinized starch production process, and relates to the technical field of intelligent control, which comprises the following steps: acquiring real-time viscosity data and real-time temperature data of pregelatinized starch slurry, calculating a viscosity deviation value, calculating a temperature compensation coefficient by adopting an improved Arrhenius viscosity-temperature equation, and calculating the viscosity deviation value according to the temperature compensation coefficient. A compensated viscosity deviation value is obtained, the compensated viscosity deviation value and the change rate of the compensated viscosity deviation value are input into a double-variable fuzzy controller, and the stirring speed adjusting amount is calculated according to a fuzzy rule; according to the compensated viscosity deviation value and the change rate of the viscosity deviation value, an incremental PID control algorithm is adopted to calculate the adjusting amount of the opening degree of a steam valve, and cooperative control over steam heating and mechanical shearing is formed. According to the method, accurate compensation of the nonlinear relation between the viscosity and the temperature is achieved, by introducing a dynamic correction factor and a multi-protection mechanism, adaptability and stability under complex working conditions are enhanced, and the regulation and control efficiency and the product quality stability in the pregelatinized starch production process are effectively improved.

The application provides a corn starch production refining and grinding device, and belongs to the technical field of starch grinding devices. The device comprises a chassis component, a top cover assembly, a fine grinding assembly, a primary grinding assembly, a material shaking assembly, a safety transmission component and a material pushing component. The top cover body, which can be automatically opened and closed, is rotatably connected to the top opening of the main shell. The fine grinding assembly is installed at the lower end of the main shell. The primary grinding assembly is installed at the upper end of the main shell. The material falling funnel is rotatably arranged in the primary grinding cover. After the top cover body is opened to the position, the material falling funnel is in the inclined position for convenient feeding. With the closing of the top cover body to the position, the central gear and the transmission gear are effectively connected in transmission. The corn starch slurry can be subjected to double grinding. The material shaking assembly is in transmission connection with the fine grinding shaft, so that the fine grinding degree of the corn starch is improved. The material pushing component is connected with the material shaking plate, so that the discharging efficiency of the ground corn starch is improved.

The utility model discloses starch separation equipment for potato starch production, and relates to the technical field of starch separation.The starch separation equipment comprises a device bottom frame and an impurity separation mechanism, the impurity separation mechanism is arranged above the device bottom frame, and potato starch slurry is subjected to flowing filtration through a filtering inner net on the side wall of a separation tank; the potato starch slurry is filtered and separated for the first time through the first-stage filter screen, impurities in the potato starch slurry are blocked and separated, the potato starch slurry is filtered and separated for the second time through the second-stage filter screen, the potato starch slurry is filtered and separated for the third time through the outer filter screen, and the impurities with different sizes are sequentially filtered and separated, so that the purity of the potato starch slurry is ensured; the potato starch slurry in the separation tank is subjected to high-frequency vibration through the ultrasonic vibrator, so that the separation between starch particles and impurities is easier, and meanwhile, ultrasonic waves can destroy the cohesive force among the starch particles, improve the filtering and separating speed and prevent the potato starch slurry from blocking the filter screen.

The utility model relates to the technical field of modified starch production and processing, in particular to modified starch filter pressing equipment which comprises a base, and a vertical plate is fixedly connected to the top of the base close to the edge of the base. During use, the motor II is started, the rotating shaft is driven to rotate, the cam is driven to rotate, the filter belt is driven to perform stepping transmission, raw materials fall to the filter belt from the material conveying strip, the motor I is started, the upper pressing plate is driven to move downwards, the lower pressing plate is arranged below the filter belt, the two pressing plates clamp the filter belt to be close to the raw materials, and moisture in the raw materials is extruded; the two scrapers are driven to get close to each other and rub powder cakes adhered to the bottom of the upper pressing plate, the scrapers move to drive the two push plates to get close to push raw materials just falling onto the filter belt, so that the raw materials are collected in the middle and wait for downward pressing of the lower pressing plate, the scrapers are arranged to guarantee that the bottom of the upper pressing plate is always flat, and sufficient filter pressing of the raw materials is facilitated. The push plate is arranged, so that the raw materials wait for filter pressing in a centralized state and are prevented from overflowing out of the action range of the upper pressing plate, and sufficient filter pressing is facilitated.

The invention discloses an efficient drying device for lotus root starch production, and relates to the technical field of drying devices.The efficient drying device comprises a drying box, a discharging mechanism, a drying mechanism and a driving motor, the discharging mechanism comprises a feeding hopper, a stepping feeding component and a scattering component, and the feeding hopper is fixedly connected to a discharging box chamber; a stepping feeding component is fixedly connected to the bottom of the feeding hopper, a scattering component is fixedly connected to the bottom of the stepping feeding component, a drying mechanism is arranged at the bottom of the scattering component, a slow discharging component of the drying mechanism is arranged in the material guiding box chamber, a drying bed component matched with the slow discharging component is arranged in the drying box chamber, and the drying bed component can generate heat. A driving turnover part matched with the drying bed part is arranged in the drying box, a driving motor is fixedly connected to the drying box and is in power connection with the scattering part, a scattering table of the scattering part is in power connection with the stepping feeding part through a linkage assembly, the driving motor is in power connection with the driving turnover part, and the lotus root starch can be thoroughly dried through the device.

The utility model discloses a slurry separating device for corn starch production, which belongs to the field of corn starch production, and comprises a base, an outer cylinder is fixedly mounted at the top end of the base, three buffer springs are fixedly mounted in the outer cylinder, a fixed seat is fixedly mounted at one end of each buffer spring, and the other end of each buffer spring is fixedly mounted on the fixed seat. A driving motor is fixedly installed in the base and located below the fixing base, a pair of gears is installed at the bottom end of the fixing base through a rotating shaft and connected in a meshed mode, the bottom end of one gear is in transmission connection with the driving motor through the rotating shaft, and the rotating shaft at the top end of the other gear is fixedly connected with a linkage shaft. The inner cylinder is fixedly mounted at the top end of the fixed seat, the liquid outlet pipe is fixedly mounted on the outer wall of the inner cylinder, and the separation cylinder is mounted in the inner cylinder, so that separated slurry can be quickly taken out, a worker can conveniently clean the separation equipment, and the slurry separation frequency is improved.

The utility model discloses a filter device of starch production, including filter box, the filter box top is provided with feeding assembly, and the filter box inner chamber is provided with filter assembly, is provided with feeding assembly, the baffle and the material collecting box, utilize feeding assembly to inject the starch to be filtered towards the filter box inside, utilize the baffle and the material collecting box to carry out the sealing operation of filter box inside after feeding ends, can when subsequent filtration, avoid the starch dust in filter box inside flying out filter box inside, float in the surrounding working environment, cause the security hidden danger, through being provided with filter assembly, utilize the vibration motor and filter screen cooperation in filter assembly, make the starch vibration of filter screen surface, promote the filtration, improve the filtering effect, and after filtering is completed, will take down the baffle, take out the blocky thing through the discharge slot, utilize the cylinder again and move down the material collecting box, take the material to the starch that filters down, and the operation is convenient.

Starch dehydration equipment belongs to the technical field of starch production and comprises a dehydration box, a rotation driving mechanism is arranged in the dehydration box, a filter drum capable of rotating along with the rotation driving mechanism is placed in the dehydration box, a connecting plate is movably installed in the dehydration box, a cleaning brush is detachably installed on the side, close to the filter drum, of the connecting plate, and a water inlet is formed in the bottom of the dehydration box. The cleaning brush is attached to the outer surface of the filter cartridge, an adjusting mechanism is installed between the side, away from the filter cartridge, of the connecting plate and the dewatering box, and the adjusting mechanism is used for driving the connecting plate to move and adjust the distance between the connecting plate and the filter cartridge. Therefore, the filter holes of the filter cartridge are prevented from blocking the starch in the dehydration process, and the dehydration efficiency of the starch is effectively ensured.

The utility model discloses a dry starch screening and packaging device in starch production, which relates to the field of starch processing and comprises a box body, a control panel is arranged on one side of the box body, a cover body is arranged at the top end of the box body, a feeding door is arranged on one side of the top end of the cover body, and the top end of the feeding door is connected with two sides of the cover body through a plurality of clamping components. An air heater is arranged on the other side of the top end of the cover body; a crushing mechanism matched with the box body is arranged in the middle of the top end of the cover body; a heating plate is arranged at the inner top end of the box body, a filter plate matched with the crushing mechanism is arranged in the middle of the inner wall of the box body, an adjusting mechanism is arranged at the bottom end of the filter plate, a discharging groove is formed in the inner bottom end of the box body, a discharging pipe is arranged at the bottom end of the discharging groove, and a packaging box is arranged at the bottom end of the discharging pipe. According to the starch drying, screening and packaging device, starch is dried, screened and packaged, condensed and blocked starch is crushed, waste of the starch in the production process is reduced, the starch production cost is reduced, and the starch production efficiency is improved.

The present application relates to starch production technical field, especially disclose a kind of green preparation method for modified starch for replacing hydroxypropyl distarch phosphate.The green preparation method, cassava starch is used as raw material, specifically includes the following steps: (1) cassava starch is mixed with water uniformly, and starch suspension is prepared;(2) adding alpha-amylase to starch suspension for glycosidic bond enzymolysis, then passivate enzyme activity;(3) the enzymatic hydrolysate is used to hexose oxidase and oligomeric glucan is subjected to lactonization reaction, then passivate enzyme activity;(4) the final enzymatic hydrolysate is centrifuged, washed with water, the precipitate is freeze-dried, and enzyme modified cassava starch is obtained.The paste viscosity, freeze-thaw stability, shear resistance, anti-aging and other chemical properties of the enzyme modified cassava starch prepared by the present application are close to or better than hydroxypropyl distarch phosphate, and the preparation process is simple, short cycle, green and safe, low in production cost, simple in equipment, suitable for industrial production, and safe and pollution-free during production.

The utility model discloses a high-speed mixer for producing modified starch, which comprises a mounting base, a first support frame and a second support frame which are fixedly connected are arranged on the surface of the mounting base, a motor mounting frame is fixedly connected on the surface of the first support frame, and a driving motor is arranged on the surface of the motor mounting frame. A rotationally connected mixing box is arranged on an output shaft of the driving motor, a stirring cavity is formed in the mixing box, a plurality of feeding ports are formed in the surface of the mixing box, a feeding pipeline is communicated with the lower portions of the feeding ports and communicated with the stirring cavity, and a stirring assembly is arranged at the bottom of the mixing box; the stirring assembly comprises a stirrer motor located at the bottom of the mixing box and a stirring blade located on an output shaft of the stirrer motor, and the stirring blade is located in the stirring cavity.

The utility model relates to the technical field of soluble starch production, and particularly discloses a stirring machine for soluble starch production, which comprises a stirring barrel, the bottom of the stirring barrel is fixedly connected with supporting legs, and the top of the stirring barrel is provided with a stirring mechanism; the stirring mechanism comprises an L-shaped plate, the L-shaped plate is fixedly connected to the top of the stirring barrel, a driving motor is fixedly connected to the L-shaped plate, a transmission rod is fixedly connected to the driving motor through an output shaft, and a shovel plate is arranged on the outer side of the transmission rod. When the stirring device is used, soluble starch in the stirring barrel can be stirred and mixed, so that the soluble starch entering the stirring barrel can be mixed more uniformly, subsequent procedures are facilitated, the soluble starch deposited at the inner bottom of the stirring barrel can be shoveled up, the shoveled blocky soluble starch is scattered and stirred, and the stirring efficiency is improved. And the soluble starch is fully blended into liquid in the stirring barrel, so that the production quality of the soluble starch is improved.

The invention provides a control method and system for an automatic making and selling soup machine, and belongs to the field of intelligent soup making, and the method comprises the following steps: S1, weighing raw materials, judging whether the weight meets the requirement or not, if yes, executing S2, and if not, continuing weighing and increasing the weight; s2, the raw materials are conveyed to grinding equipment to be subjected to wall breaking treatment to obtain powder, and the water supply amount of a water sump is determined according to the weight of the powder; s3, cooking and making the preliminary soup, selecting the types of added auxiliary materials according to the types of the raw materials, and calculating the weight of the added auxiliary materials according to the preliminary soup; s4, the cooked soup drink is sent to a storage bin; and S5, automatic containing and meal delivery are carried out, a user extracts corresponding soup at a meal taking position, and production of various category units based on the steps S1-S5 is obtained, including but not limited to a soybean milk cereal production unit, a milk production unit, a lotus root starch production unit and the like, and software and hardware programs for controlling the operation system are further included. And functional software for automatic operation circuit and program transfer is formed.

The present invention relates to the field of starch production, and discloses a functional pea resistant starch compound enzyme preparation method, which comprises: S1, uniformly mixing pea starch and a buffer solution, and adjusting the pH value to prepare a starch suspension; s2, adding alpha-amylase into the starch suspension to carry out glucosidic bond enzymolysis, and then inactivating the enzyme to obtain enzymatic hydrolysate; s3, carrying out disproportionation, cyclization, coupling and hydrolysis reaction on the enzymatic hydrolysate by using 4-alpha-glycosyl transferase, and then inactivating enzyme to obtain further enzymatic hydrolysate; s4, adding pullulanase into the enzymatic hydrolysate, carrying out debranching treatment, and then inactivating the enzyme to obtain further enzymatic hydrolysate; and S5, centrifuging and washing the final enzymatic hydrolysate, and freeze-drying the precipitate to obtain the enzyme modified pea starch. The chemical properties such as crystallinity, short-range order, double helix degree, branching degree, resistant starch content and the like of the enzyme modified pea starch prepared by the method are close to or superior to the chemical properties of original pea starch.

This utility model belongs to the field of sweet potato starch production, specifically a sweet potato starch sedimentation and filtration device. It includes a main body with a sedimentation module inside, a stirring module above the sedimentation module, and a separating filtration module on top of the stirring module. The separating filtration module includes a cover plate, a through hole, a movable plate, a rotating shaft, a second sealing ring, and a handle. The cover plate has a pre-drilled through hole, and the movable plate is installed inside the through hole. A handle is installed on top of the cover plate. The rotating shaft passes through the movable plate, and a second sealing ring is installed on the outer wall of the movable plate. This utility model adopts a modular design, making it more flexible to meet diverse work requirements. During sedimentation, it can separate the sediment from the floating matter, effectively reducing impurities and improving starch quality. It also has a stirring function, allowing starch and impurities to gradually separate under the force generated by stirring.

The present invention discloses a powder drying device and method for pea starch production, which relates to the technical field of powder drying. The present invention includes a hot air furnace and a cyclone separator. An air outlet pipe is arranged at the outlet of the hot air furnace, and a connecting pipe is arranged at the air inlet end of the cyclone separator. A drying pipe is rotatably installed between the air outlet pipe and the connecting pipe. A spiral filter is arranged on the outer side of the drying pipe. A plurality of sliding openings are formed on the outer side of the drying pipe. A pre-drying cylinder is sleeved on the outer side of the drying pipe. Through the filtration of the spiral filter, water remains below, and starch is conveyed upward. The starch is conveyed from above to a starch chamber for secondary drying, so that the water content of the starch can be controlled at 35%-40%. Then the starch is sprayed into the air outlet pipe by high-pressure gas and dried in the drying pipe along with the hot air. There is no need to additionally use dehydration equipment, screw conveying equipment and dispersing equipment, and the integration degree of the equipment is high and the structure is compact.

The utility model belongs to the technical field of wastewater treatment, and particularly relates to a corn starch production wastewater treatment filtering device which comprises a filter, the filter comprises a shell, the shell is provided with a water inlet and a water outlet, a filtering assembly and a push-pull rod are arranged in the shell, and the filtering assembly comprises a fixing frame and a filtering net. Mounting blocks are fixed to the left end and the right end of the fixing frame correspondingly, the push-pull rod is arranged above the filtering assembly, the bottom end of the push-pull rod is fixedly connected with the fixing frame through a connecting rod, the top end of the push-pull rod penetrates out of the top wall of the shell and extends outwards, limiting grooves are formed in the left inner side wall and the right inner side wall of the shell correspondingly, and guide rods are fixed in the limiting grooves; and the guide rods penetrate through the mounting blocks on the corresponding sides, and springs are connected between the top walls of the limiting grooves and the mounting blocks. The device not only can filter wastewater of corn starch, but also is convenient to clean the filter screen when the filter screen is blocked, the operation steps are simple, the filtering efficiency and the filtering effect are ensured, and the wastewater treatment efficiency is improved.

The utility model relates to the technical field of corn steep liquor processing, and discloses a corn steep liquor rapid heating device in starch production, which comprises a main plate, two sides of the top of the main plate are respectively and fixedly connected with a stirring barrel and a transmission barrel, an inner cavity of the stirring barrel is provided with a stirring and pulping assembly, and the stirring and pulping assembly is used for processing corn. A conveying assembly is installed on the inner wall of the conveying barrel and used for conveying corn steep liquor, and a heating assembly is installed on the top of the main plate. According to the corn steep liquor rapid heating device in starch production, the first servo motor is driven to drive the beating plate to rotate slowly to stir corn, it is ensured that the corn is heated uniformly in the soaking process, the corn is smashed and beaten through the beating plate rotating rapidly, corn steep liquor enters the position below the filter plate through the filter plate, and the corn steep liquor is heated uniformly. And the large-particle fragment group stays above the filter plate to be continuously crushed, so that complete stirring of the corn steep liquor is ensured, and meanwhile, the rotating stirring plate can stir the corn steep liquor to enhance the preheating effect.

The invention relates to the technical field of sweet potato starch sand washing, in particular to a starch sand washing device for sweet potato starch production, which comprises a multi-stage pre-filtering assembly, the top of the multi-stage pre-filtering assembly is provided with an adjustable feeding assembly, and the side of the multi-stage pre-filtering assembly is provided with a multi-stage countercurrent cleaning assembly; the multi-stage pre-filtering assembly comprises a shell, a sliding groove is fixedly connected to the interior of the shell, a sliding block is slidably connected to the interior of the sliding groove, a supporting frame is fixedly connected to the top of the sliding block, a rack is fixedly connected to the outer wall of the supporting frame, a gear is meshed with the side of the rack, and a first rotating shaft is fixedly connected to the interior of the gear; a motor is mounted on the first rotating shaft; large impurities which are screened out can be directly discharged through the discharging hopper, and concentrated cleaning is facilitated; and the collecting disc is arranged at the bottom of the small screening disc, fine impurities obtained after two times of screening can be collected, the collecting disc can be cleaned regularly, and the workload and the time cost of manual cleaning are greatly reduced.

The utility model relates to the technical field of sweet potato starch production, and discloses a starch drying rack for sweet potato starch production, which comprises a square frame-shaped base, a support edge integrally formed on the inner side of the base, and a plurality of rollers arranged below the base; each supporting frame body comprises a lower frame, an upper frame and a plurality of supporting columns, the lower frames are placed on the supporting edges, supporting strips are integrally formed on the inner sides of the lower frames, the upper frames are arranged above the lower frames and are parallel to the lower frames, the supporting columns are fixedly arranged between the lower frames and the upper frames, and the supporting frame bodies can be stacked up and down; the drying net is arranged on the inner side of the lower frame, a drying frame is fixedly arranged on the edge of the drying net, and the drying frame is detachably arranged on the supporting strips; and the dustproof gauze element is detachably arranged on any side between the lower frame and the upper frame. The drying device has the advantages that the detachable dustproof net is arranged and can be freely installed, and the drying net is designed in a separated mode and is convenient to detach and clean.

The utility model belongs to the technical field of drying equipment, and particularly relates to drying equipment for lotus root starch production, which comprises a drying shell, a feeding hopper fixedly mounted at the top of the drying shell, a heating wire fixedly mounted in an inner cavity of the drying shell, and a conveying device arranged in the inner cavity of the drying shell and positioned below the heating wire, a collecting box is installed at the discharging port of the drying shell and located below the conveying device in an inserted mode. The water drop collecting box is slidably installed in an inner cavity of the drying shell and located above the heating wire, a towel is arranged at the bottom of an inner cavity of the water drop collecting box, a scraping rod is fixedly installed at the position, located above the towel, of the top of the water drop collecting box, and the top of the scraping rod makes contact with the top of the inner cavity of the drying shell; when the whole device is used, it can be ensured that water in the inner cavity of the water drop collecting box does not fall onto lotus root starch below, meanwhile, the water drop collecting box can be detached, and workers can conveniently treat the collected water in a unified mode.

This invention discloses a device and method for rapid separation of molasses and protein in pea starch production wastewater, belonging to the field of multi-stage wastewater treatment technology. It includes a multi-stage separation tank, which, from top to bottom, consists of a counter-current cyclone destabilization section, a microbubble cyclone separation section, and a gradient screening fine separation section. This invention coaxially integrates the three core processes of destabilization, pre-separation, and fine separation into a single multi-stage separation tank, eliminating redundant intermediate pipelines and external equipment. The total residence time for the entire process is only 5-8 seconds, improving the processing cycle by two orders of magnitude compared to the traditional 3-8 hour process. It truly achieves continuous feeding and continuous discharging, eliminating inefficient processes such as intermittent sedimentation and settling. Simultaneously, the integrated design reduces the equipment footprint to only 1 / 5 of that of traditional processes, significantly reducing the civil engineering investment and site requirements of the production line. It can be flexibly adapted to pea starch production lines of different sizes through parallel expansion, exhibiting extremely high adaptability.

This utility model relates to the technical field of starch production equipment, and more particularly to a thickener for soluble starch production, comprising a thickening tank, a fixed frame, and a crossbeam. The fixed frame is fixedly installed at the lower end of the thickening tank, and the crossbeam is fixedly installed at the upper end. Guardrails are installed on both sides of the crossbeam, and a base is installed at the lower end of the crossbeam. A liquefying enzyme spray pipe is installed on one side of the thickening tank, and the other side of the liquefying enzyme spray pipe is fixedly installed in the base. With this thickener, the liquefying enzyme spray pipe can evenly spray the liquefying enzyme onto the surface of the starch solution in the thickening tank, ensuring full contact between the liquefying enzyme and the starch, and improving the liquefaction efficiency of the starch. The nozzle is equipped with an atomizing nozzle, allowing the liquefying enzyme to be sprayed in a fine mist, further improving the liquefaction effect. The layout of the annular electric heating tube can evenly heat the starch solution in the thickening tank, improving heating efficiency and effectively preventing heat waste caused by localized overheating or undercooling of the liquid.

The present application relates to the technical field of corn starch processing, and particularly relates to an extrusion equipment for producing biological latex by using corn starch, which comprises two fixed rings distributed in an inner and outer sleeve manner in a horizontal plane, two rotating sealing rings distributed in an up-down manner and a feeding channel, the two fixed rings and the two rotating sealing rings form a closed space, and the rotating sealing rings are rotatably arranged on the fixed rings; by adopting the mode that the material guiding ring cooperates with the fixed ring, a plurality of material guiding spaces are formed between the material guiding ring and the fixed ring, then the rotation of the material guiding ring is utilized to make each material guiding space pass the position of the material blocking plate in sequence, the material blocking plate blocks the material in the material guiding space, and the rotation of the material guiding ring is cooperated, so that the arc surface on the material guiding ring extrudes the material, thereby realizing direct and effective extrusion effect on the material, avoiding the problem that the extrusion force of the equipment on the material is insufficient and the compactness of the material is not enough due to the flow of the material, and improving the direct efficiency of the extrusion work on the material.

The utility model relates to the technical field of corn starch production, and discloses a starch slurry preheating device for corn starch production, which comprises a heating box, and four support columns are fixedly mounted at the bottom of the heating box. According to the starch slurry preheating device for corn starch production, by arranging the discharging mechanism, when starch needs to be preheated, starch raw materials are put in from a feeding hopper, then a motor and an electric heating rod are started through a controller, a rotating rod starts to rotate, stirring blades stir the starch raw materials, meanwhile, the electric heating rod heats internal water, and the starch raw materials are preheated; when a rotating rod rotates, a main gear is driven to be meshed with an auxiliary gear, a material stirring plate rotates, downward material stirring action is generated, a sealing cover is opened after a certain time, starch slurry is discharged from a discharging pipe, the discharging mechanism can assist in discharging through a material stirring piece after the corn starch slurry is preheated and formed, an outlet is prevented from being blocked, and the working efficiency is improved. And blanking is facilitated.

The invention relates to the technical field of starch production, and discloses a green preparation method of enzyme modified starch suitable for paper surface sizing, and the preparation method takes corn starch as a raw material, and comprises the following steps: uniformly mixing the corn starch with a buffer solution to prepare a starch suspension; after pH is adjusted, hydrolysis is conducted, then enzyme activity is passivated, and enzymatic hydrolysate is obtained; carrying out phosphorylation reaction, and passivating enzyme activity to obtain final enzymatic hydrolysate; and centrifuging and washing the final enzymatic hydrolysate, and freeze-drying the precipitate to obtain the enzyme modified corn starch. After the surface of the prepared enzyme modified corn starch is sized to paper, the glue hanging amount, tensile strength and tensile index of the paper are close to or superior to those of paper sized by phosphodiester starch, and the porosity and water vapor permeation amount of the paper are close to or lower than those of the paper sized by the phosphodiester starch. And the preparation process is simple, short in period, green, safe, low in production cost, simple in equipment, suitable for industrial production, and safe and pollution-free in the production period.