324 results about "Colloid mill" patented technology

The invention discloses a method for preparing flavor peptide through colloid mill-high-pressure microjet homogenization combined auxiliary enzymolysis and application, and belongs to the technical field of flavor peptide preparation. According to the method, cells of the edible mushrooms are broken and dissolved through a colloid mill-high-pressure microjet homogenization combined technology, so that the particle size of the materials can reach the nanometer level, protein in the materials can be degraded by enzymes more easily, the enzymolysis efficiency can be remarkably improved, and a traditional first step of cellulase enzymolysis wall breaking is omitted; the prepared flavor peptide has better quality, flavor and taste; compared with the prior art, no chemical reagent or solvent needs to be added, pollution to the environment is reduced, meanwhile, energy consumption needed by the technology is relatively low and is 2433.6 + / -487 kJ / h, the release rate of soluble nitrogen reaches up to 81.66 + / -0.96%, the material loss rate is 2.37 + / -0.14%, the production cost can be reduced, and the requirement for sustainable development is met.

The utility model provides a colloid mill and belongs to the technical field of food processing. Comprising a transmission base, a colloid mill body and a motor are installed at the top end of the transmission base, the colloid mill body is matched with the motor, a discharging port is formed in the outer wall of one side of the colloid mill body, a discharging pipe is installed at the discharging port of the colloid mill body, and a circulating cylinder is installed on the outer wall of the top end of the discharging pipe; and a three-way valve is arranged at the joint of the discharging pipe and the circulating barrel, a circulating pipe is slidably connected into the circulating barrel, and locking parts are installed on the outer walls of the two sides of the circulating barrel. According to the colloid mill, a pull ring is pulled outwards, so that a sliding plate slides on a sliding rod, the sliding plate drives an inserting rod to be separated from an inserting groove, a circulating pipe slides in a circulating barrel, and the moving direction of the circulating pipe is limited through a straight rod and a limiting buckle; by adjusting the height of the circulating pipe, a user can conveniently mount and dismount the top cover; and the circulating pipe can be quickly switched between two circulating modes.

The invention relates to the technical field of building materials, in particular to a light anti-corrosion cement-based prefabricated part as well as a preparation method and application thereof. The cement-based prefabricated part is prefabricated and formed by bonding a base body located on the inner layer of the cement-based prefabricated part and a surface material located on the peripheral layer of the cement-based prefabricated part through an adhesive and performing microwave heating. Wherein the surface material is prepared from filler, modified stone powder, cement and the like through colloid mill shearing treatment and filter pressing treatment; the matrix is prepared by mixing a foaming agent, mineral powder, sodium hydroxide, metakaolin, aggregate, polypropylene fiber, calcium lignosulphonate and the like, putting into a mold, performing steam curing and demolding. The outer surface of the base body is coated with an adhesive, and the surface material and the base body are combined in a vibration extrusion forming mode and then subjected to microwave heating treatment to be manufactured into the cement-based prefabricated part. The cement-based prefabricated part is high in salt resistance, freezing resistance and acid resistance, light in weight and suitable for being used as a building material in a cold region, including curbs.

The present disclosure provides a method for preparing fully soluble legume protein using a combination of stirred media mill and ultrasound technology. This method belongs to the field of food processing technology. The steps involved in this method includes: (1) mixing commercial legume protein with distilled water at a certain mass fraction (5-20%); (2) pouring the stirred protein solution into a colloid mill for coarse grinding, resulting in a coarse grinding solution; (3) heating the coarse grinding protein solution; and (4) pouring the heated, after cooling, into a media mill-ultrasonic coupling system for simultaneous grinding and ultrasonication, wherein the protein solution that has been ground and ultrasonicated is the high-solubility legume protein.

The utility model provides colloid mill equipment, and relates to the technical field of biological tissue material crushing. The colloid mill equipment comprises a colloid mill shell, a static millstone, a movable millstone, a driving mechanism and a liquid flow pipe; the static millstone and the movable millstone are arranged in the colloid mill shell; a gap is formed between the movable millstone and the static millstone to form a milling cavity, the movable millstone is provided with a mounting channel, and a first cooling channel is formed in the movable millstone; the driving mechanism comprises a rotating shaft and a driving assembly, the rotating shaft penetrates through the bottom of the colloid mill shell and is fixed to the mounting channel, the driving assembly is arranged on the side edge of the rotating shaft, the rotating shaft is provided with a through channel in the axial direction, and the side wall of the through channel is provided with a liquid outlet communicating with the first cooling channel; the liquid flow pipe is configured to be used for supplying cooling liquid to the first cooling channel, the liquid flow pipe is rotatably connected with the through channel in a sealed mode, and the side wall of the rotating shaft is provided with a liquid discharging opening communicating with the first cooling channel and the through channel so that the cooling liquid in the first cooling channel can be discharged. The cooling device has a good cooling effect.

The utility model relates to the technical field of seasoning production equipment, in particular to a composite enzymolysis device for extracting chicken essence concentrate, which comprises an enzymolysis tank, a feeding table is fixedly welded at the top of the right side of the enzymolysis tank, a colloid mill is fixedly mounted on the top surface of the feeding table through bolts, and the left side of the colloid mill is communicated with the enzymolysis tank. A first enzymolysis bin and a second enzymolysis bin are arranged at the top end and the bottom end in the enzymolysis tank respectively, a heat preservation shell is fixedly welded to the outer surface of the enzymolysis tank in a surrounding mode, and an electric heating coil is installed between the heat preservation shell and the enzymolysis tank in a surrounding mode. According to the composite enzymolysis device for extracting the chicken essence concentrated solution, the colloid mill is directly additionally arranged and connected to the feeding port of the reaction tank, chicken bone and meat materials are directly conveyed, manual transferring and feeding do not need to be continued, the escalator provides an up-and-down path, the enzymolysis tank is convenient to operate and maintain, the interior of the tank body is divided into two parts, and the operation is convenient. Papain and trypsin can be respectively input to carry out targeted enzymolysis reaction on chicken and chicken aggregate, so that the enzymolysis reaction efficiency is improved.

The invention relates to the field of preparation of water-soluble fertilizers, in particular to an organic microelement water-soluble fertilizer and a preparation method thereof. The method comprises the following steps: fermenting wine brewing vinasse to obtain vinasse fermentation liquor; evaporating and concentrating the vinasse fermentation liquor to obtain concentrated liquor; the concentrated solution is added into a reaction kettle to be stirred, nitrogen, phosphorus pentoxide, potassium oxide and a suspending agent are sequentially added in the stirring process to obtain a mixed solution, and the stirring time is 2 hours; grinding the mixed solution by using a shear type colloid mill to obtain a liquid fertilizer; and conveying the liquid fertilizer to a filling line for filling to obtain the finished water-soluble fertilizer. Further, the collected solution state image can be subjected to image analysis by using a computer vision technology based on deep learning, and whether each component in the mixed solution is uniformly distributed or not is judged based on color distribution characteristics and texture distribution characteristics of the solution state, so that the automatic and intelligent control of the grinding process is realized.

The invention relates to the technical field of inorganic / organic composite film functional materials, and discloses a hydrotalcite material as well as a preparation method and application thereof. Carrying out a colloid mill nucleation reaction on the first mixed salt solution and an alkali solution to obtain hydrotalcite seed crystal slurry; mixing the second mixed salt solution, a slow-release precipitator, an anionic high-molecular polymer and a high-polarity polymer to obtain a mixed solution; dropwise adding the obtained mixed solution into hydrotalcite seed crystal slurry, and reacting to obtain a hydrotalcite material; wherein the first mixed salt solution and the second mixed salt solution both contain soluble divalent metal salt and soluble trivalent metal salt, and the types and the concentrations of the metal salts are the same. The hydrotalcite material provided by the invention has a larger plane size, and can effectively prolong the diffusion path of gas in a film and improve the gas barrier property when being added into a polymer matrix (such as polyurethane) as a functional aid.

The invention discloses a preparation method of interface-enhanced special emulsified asphalt, which comprises the following steps: taking raw materials such as matrix asphalt, a nano polymer interface enhancer, a modifier and the like in parts by weight, carrying out surface modification by the nano polymer interface enhancer, modifying the matrix asphalt, preparing an emulsified aqueous solution, and mixing the modified enhancer with the emulsified aqueous solution, thereby obtaining the interface-enhanced special emulsified asphalt. And applying a pulsed magnetic field and emulsifying by a colloid mill while mixing to obtain a finished product. Compared with the prior art, the method has the advantages that the interface bonding force is improved through nanometer material surface modification and pulsed magnetic field induced arrangement, the high-temperature performance is improved through the phase change material and the modifier, construction damage is reduced by means of the self-repairing microcapsules, and the method has the advantages of being high in bonding strength, good in high-temperature stability, resistant to construction pollution and the like; the problems that traditional emulsified asphalt is low in bonding strength, poor in high-temperature performance, prone to being damaged during construction and the like can be effectively solved, pollution and damage in the construction process are avoided, and the construction quality is improved.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of a high-cold-weather-resistant graphene modified asphalt waterproof coiled material, which comprises the following steps: adding first matrix asphalt, second matrix asphalt, graphene and engine oil, heating and stirring; adding SBS-T6302H, stirring and mixing at a target temperature according to preset stirring parameters, adding rubber powder, and passing through a colloid mill to obtain a mixture; transferring the mixture into a stirring tank, adding fly ash, stirring, detecting the final viscosity, transferring the obtained product into a glue preparation tank, stirring, molding, cooling and sizing to obtain the waterproof coiled material. Determining the colloid particle size and the colloid viscosity in the stirring process, and constructing a uniformity model according to the preset stirring parameters, the colloid particle size, the colloid viscosity and the paddle diameter to determine the dispersion standard coefficient of the modifier; collecting a coiled material surface image to determine defect characteristics so as to adjust a basic cooling temperature; and performing a low-temperature flexible test to determine a test qualification rate, and determining an adjustment mode of the preset stirring parameters according to the dispersion standard coefficient and the test qualification rate.

The invention discloses a trimetallic spinel oxide / high-valence metal oxide composite OER electrocatalyst and a preparation method thereof. The method comprises the following steps: firstly, synthesizing trimetal LDH nanosheets with rich defects in one step through a colloid mill, then inserting high-valence transition metal oxyacid radical ions into LDH layers by utilizing an ion exchange method, and finally, enabling LDH to be topologically converted into a spinel structure by adopting a low-temperature thermal oxidation method and generating more defects at the same time, so as to prepare the composite oxide electrocatalyst. Based on the adjustable property of interlayer anions of layered double hydroxides, a nucleation crystallization isolation method, an ion exchange method and a thermal oxidation technology are combined, the composite oxide electrocatalyst with an ultrathin nanosheet structure and rich surface defects is prepared, and the composite oxide electrocatalyst has the OER catalytic performance far higher than that of precious metal.

The invention relates to a preparation process of a low-bitterness rice active peptide product. According to the invention, sugar-making rice residues are used as raw materials, a separated and purified rice protein raw material is obtained after pretreatment and filtration sugar removal, impurities are removed through grinding and sieving treatment of a colloid mill, and diffusivity and dissolvability of the rice protein are improved by a direct steam jet heating method with high thermal efficiency and high heat utilization rate through equipment; the internal structure of the protein is further expanded through two-stage homogenization treatment, more enzyme cutting sites are exposed, the enzymolysis efficiency is improved, and the low-bitterness rice active peptide product with the peptide content being larger than 90% and the molecular weight being 100-1000 Da is produced through two-stage enzymolysis reaction, centrifugal separation, membrane filtration concentration and spray drying. The low-bitterness rice active peptide product which is high in solubility, high in enzymolysis efficiency, low in cost and high in quality is prepared, the flavor is good, the taste is good, and high-value utilization of the rice residues is achieved.

The invention relates to a preparation method of a cinnamon volatile oil clathrate compound. The preparation method comprises the following steps: extracting cinnamon volatile oil; the mass ratio of the beta-cyclodextrin to the distilled water is 12: 24; starting a colloid mill, adding the mixed beta-cyclodextrin aqueous solution into the colloid mill, and continuously grinding for 2 minutes; slowly adding 1 part of cinnamon volatile oil into the beta-cyclodextrin aqueous solution, continuously grinding for 60 minutes, collecting clathrate liquid, carrying out vacuum suction filtration on the clathrate liquid after standing, and drying in a hot air drying oven to obtain the first volatile oil clathrate compound. The cortex cinnamomi volatile oil clathrate compound prepared by the preparation method of the cortex cinnamomi volatile oil clathrate compound has the effects of remarkably shortening the production period and improving the encapsulation efficiency and high-temperature stability of the clathrate compound, does not use an organic solvent, and has better thermal stability and long-term storage stability.

The invention relates to a preparation method of Chinese yam fine dried noodles and belongs to the field of Chinese yam fine dried noodle preparation. The preparation method comprises the following steps: grinding pulped Chinese yam by a colloid mill to obtain Chinese yam primary pulp with the water content of 70-75%, kneading the Chinese yam primary pulp and wheat flour, curing, and calendaring to obtain the Chinese yam fine dried noodles. According to the preparation method of the Chinese yam fine dried noodles, a colloid mill is used for grinding Chinese yams, the granularity of the Chinese yams can be properly reduced, the water absorption rate of the Chinese yams can be increased, meanwhile, Chinese yam components can be embedded into gluten networks more easily, the nutritional value of the Chinese yams is guaranteed, the damage effect on the gluten networks is reduced, and then the texture and the eating quality of the Chinese yam fine dried noodles are improved.

The invention relates to the field of personal care, in particular to green coffee seed oil and a preparation method and application thereof in cosmetics, and the method comprises the following steps: freeze-drying, crushing and sieving green coffee seeds, adding deionized water, preparing the green coffee seeds into suspension liquid by using a colloid mill, performing high-voltage pulsed electric field treatment on the suspension liquid, and drying to obtain the green coffee seed oil. And standing the solution, performing ultrasonic treatment, adding a compound enzyme into the suspension, performing enzymolysis, and performing supercritical CO2 extraction to obtain the green coffee seed oil. The green coffee seed oil disclosed by the invention has the advantages of high stability, good moisturizing effect and the like.

The invention discloses a method for extracting walnut oil by a low-water-content water extraction method regulated and controlled according to viscosity change, and belongs to the field of edible oil processing. The method comprises the following steps: carrying out high-speed crushing and colloid mill grinding on shelled walnut kernels to obtain walnut pulp, adding different water contents into the walnut pulp, uniformly stirring, and measuring the viscosity change of the walnut pulp. And extracting the walnut oil from the walnut kernels by using a low-water-content water extraction method according to the viscosity change result. According to the method, the walnut oil can be efficiently prepared through a low-water-consumption water extraction method by adjusting the viscosity of the walnut pulp, the water consumption is greatly reduced, the walnut oil extraction time is shortened, and low-consumption green extraction of the walnut oil is achieved.

The invention relates to the technical field of food processing, in particular to a preparation process method for producing nereis freeze-dried powder, which comprises the following preparation steps: S1, material selection and cleaning: selecting mature nereis, and cleaning the nereis with water; s2, performing fixation, namely putting the selected nereis on a fixation machine for fixation for 2-3 minutes, and taking out the nereis for later use after fixation is completed; s3, dilute alkali treatment: putting the nereis in a stainless steel barrel, soaking the nereis in a 0.5% baking soda solution for 10-20 minutes, fishing out the nereis, and putting the nereis in the stainless steel barrel for later use; and S4, grinding: fishing out the nereis, and grinding with a colloid mill. According to the invention, the freeze-drying technology is adopted to carry out fine processing on the nereis, so that the freeze-drying technology is not limited by seasons, the moisture of the deeply processed product is low, the nutrition of the product is not lost, the taste is retained, and the nutritional and medical efficacy of the product is better exerted; the nereis freeze-dried powder can be widely applied to the food industry; and a new material and a new way are provided for increasing new products beneficial to human health.

The invention belongs to the technical field of nano barium titanate synthesis, and particularly relates to a method for synthesizing nano barium titanate by taking metatitanic acid recovered from a waste denitration catalyst as a raw material, which comprises the following steps: mixing the waste denitration catalyst with a concentrated alkali solution, and reacting in a colloid mill at normal temperature; transferring the reaction liquid into a high-pressure reaction kettle, filtering after the reaction is completed, and washing to be neutral to obtain alkaline leaching residues; fully mixing the dried alkaline leaching residues with a pickling solution, filtering, washing to be neutral, and drying to obtain nano metatitanic acid powder; the preparation method comprises the following steps: slowly adding a solution A obtained by fully stirring nano metatitanic acid powder and ethanol into a solution B obtained by fully mixing and dissolving a barium source and deionized water, continuously stirring, transferring the mixed solution into a high-pressure reaction kettle, and after the reaction is finished, washing, centrifuging and drying for multiple times to obtain the nano barium titanate powder. The H2TiO3 prepared by recycling the waste SCR catalyst is used as a raw material, the nano barium titanate powder with small particle size and high tetragonal phase is prepared through a hydrothermal method, and the method has the advantages of being low in cost, environmentally friendly and clean.

The invention discloses a Chinese wolfberry pulp pre-processing system, which comprises the process steps of acceptance check, manual sorting, soaking disinfection, cleaning, sorting, cleaning, crushing, double pulping, colloid mill refining, vacuum degassing, homogenizing, sterilization, sterile filling and the like, and the finally produced Chinese wolfberry pulp is good in color and taste, high in nutritional value and high in quality. The flavor of the original wolfberry primary pulp is better maintained, and the quality of the primary pulp is improved; and the process is simple, easy to operate and suitable for mass production.

The invention discloses a preparation method of low-sugar paper food, which is characterized in that sorghum is subjected to curing (baking) and enzymolysis to obtain low-sugar carbon water liquid; performing enzymolysis on soybean protein powder, sodium caseinate and papain, and performing sieving and colloid milling to obtain protein liquid; and adding the protein liquid, the low-sugar carbon water liquid, polyethylene glycol and medium-chain triglyceride, stirring, homogenizing and drying to obtain the paper food with the thickness of 0.1-3mm. The paper sheet food is thin in appearance, good in dissolubility, capable of being dissolved in oral saliva, fine and smooth, capable of being eaten without chewing and low in sugar content.

The invention relates to the technical field of food processing, and provides a method for reducing the use amount of ethanol produced from citrus fibers. Mixing the wet fiber component C with 75%-85% ethanol according to the mass ratio of 1: 1, adding hydrophobic nano silicon dioxide accounting for 1%-3% of the mass of the wet fibers, dispersing and mixing at a high speed by using a colloid mill to gradually flocculate and precipitate the fibers, and discharging an upper-layer mixed solution of ethanol and water; adding 0.5-0.7 time of 95% ethanol into the precipitate, putting the precipitate into an ultrasonic reactor, and treating for a preset time under the conditions that the frequency is 30-50kHz and the power density is not lower than 1W / L to remove the nano silicon dioxide, so as to obtain a precipitate D; and squeezing and dealcoholizing the precipitate D material to obtain the finished product citrus fiber. According to the method, the hydrophobicity is increased by the silicon dioxide nanoparticles so as to reduce the water absorption rate of the fiber, and the ethanol consumption is greatly reduced during the production of the citrus fiber.

The invention relates to the technical field of road materials, in particular to environment-friendly rubber modified asphalt as well as a preparation method and application thereof. The environment-friendly rubber modified asphalt is prepared from the following components in parts by mass: 100 parts of matrix asphalt; 1-5 parts of softening oil; the softening oil comprises aromatic oil, oleic acid, furfural extract oil and wax oil; 15 to 30 parts of micro-nano rubber particles; the micro-nano rubber particles are obtained from desulfurized and activated reclaimed rubber; 0.1 to 0.3 part of a stabilizing agent; and 0-3 parts of a high-molecular polymer. Compared with common rubber modified asphalt, the environment-friendly rubber modified asphalt disclosed by the invention has higher viscosity, excellent low-temperature performance and high-temperature performance, a stable system and environment-friendly construction environment, and the odor in the construction process is greatly reduced. The environment-friendly rubber asphalt is prepared by adopting an environment-friendly rubber particle wet method, the preparation process is simple, high-standard modified asphalt can be obtained through one-time feeding and a colloid mill, and the production cost is saved.

The invention discloses a composite dust suppressant and a preparation method thereof. The composite dust suppressant comprises the following components in parts by weight: 20-30 parts of a modified starch-based composite polymer material; 5-15 parts of residual oil; 1-3 parts of a surfactant; 1-3 parts of halide; 1-3 parts of a cosolvent; 46 to 72 parts of water; the preparation method of the modified starch-based composite high polymer material comprises the following steps: mixing modified starch and sodium alginate according to a ratio of 1: 1, adding deionized water, heating, pre-emulsifying in a colloid mill, and then treating by a high-pressure homogenizer to obtain the modified starch-based composite high polymer material. The dust suppressant disclosed by the invention has the beneficial effects that the dust suppressant is firm in film formation, strong and lasting in wetting and water absorption effects, and capable of effectively suppressing generation and propagation of dust; the components of the dust suppressant are environment-friendly and harmless to the environment and human bodies, and meet the requirements of sustainable development; the preparation method is simple, industrial production is easy, and the production cost is reduced.

The invention provides tomato pulp with high lycopene content as well as a preparation method and application of the tomato pulp, and belongs to the technical field of food processing. The preparation method of the tomato pulp with high lycopene content comprises the following steps: (1) mixing tomato pulp obtained by pulping tomatoes with edible oil, passing through a colloid mill, and sterilizing to obtain sterile tomato pulp; (2) mixing the sterile tomato pulp obtained in the step (1) with plant lactobacillus, and fermenting to obtain fermented tomato pulp; and (3) sterilizing the fermented tomato pulp obtained in the step (2) again to obtain the tomato pulp with high lycopene content. Vegetable oil is added to be combined with plant lactobacillus for fermentation, and various parameters in the production process are adjusted, so that the content of lycopene in the tomato pulp produced by the method can reach 28.8 mg / L, the antioxidant activity of the tomato pulp is remarkably improved, and the quality of the tomato pulp is improved. The technical problems that the lycopene content in the tomato pulp prepared by the existing method is low and the antioxidant activity is low are solved.

The invention provides an efficient colloid mill system which comprises a colloid mill, a discharge port of the colloid mill is connected with a storage tank through a first discharge pipe, the storage tank is connected with a gear pump through a second discharge pipe, and a discharge port of the gear pump is communicated with the colloid mill through a third discharge pipe; an air source processor or a pressure regulating valve is arranged at one end, close to the colloid mill, of the third discharging pipe; an integrated temperature transmitter is arranged at one end, close to the air source processor or the pressure regulating valve, of the third discharging pipe; one end, close to the gear pump, of the third discharging pipe is communicated with a discharging pipe; a discharging ball valve is arranged on the discharging pipe; a second ball valve is arranged on the third discharging pipe between the discharging pipe and the integrated temperature transmitter; therefore, through cooperation of the colloid mill, the storage tank, the gear pump, the air source processor or the pressure regulating valve, the integrated temperature transmitter, the discharging ball valve and the like, one-key production is achieved, manual operation is greatly reduced, production efficiency is improved, and personal errors are completely eradicated.

The invention discloses a method for macroscopically preparing an ultra-dispersed ferronickel iron talcum powder catalyst by using a nano-bubble assisted colloid mill, which comprises the following steps: stirring a mixed metal salt solution and a mixed alkali solution into which nano-bubbles are introduced in advance in a colloid mill, introducing the nano-bubbles for aging, centrifuging after aging, taking solid precipitate, cleaning the solid precipitate, and drying to obtain the ultra-dispersed ferronickel iron talcum powder catalyst. And drying to obtain the NiFe-LDHs material. According to the preparation method, the colloid mill is utilized, violent stirring is carried out in a short time to trigger explosion nucleation of crystals, the nano-bubbles with negative charges are injected into the reactant slurry through the nano-bubble generator, uniform dispersion of the slurry is rapidly achieved, meanwhile, electrostatic force aggregation of NiFe-LDHs in the aging process is avoided, and finally the ultra-dispersed NiFe-LDHs powder is obtained. And the prepared ultra-dispersed NiFe-LDHs have excellent electrocatalytic activity and have a wide application prospect in the fields of hydrogen production by water electrolysis and the like.

The present invention discloses a linkage filtration device applicable to a colloid mill, belonging to the technical field of colloid mills. It includes a main frame base, a linkage filtration mechanism and a drive motor unit. The linkage filtration mechanism includes a cylindrical cavity, a hemispherical cavity, and a multi-stage grinding rotor group. At the bottom of the multi-stage grinding rotor group, there is also an initial separation leakage cavity module integrally placed in the hemispherical cavity. Through the dynamic matching design of the multi-stage grinding stator and the sorting and reflux filtration mechanism, a full-process closed-loop system from grinding to screening and then to re-grinding is constructed. Aiming at the problem that the existing colloid mills rely on external screening equipment, resulting in a fragmented process, the linkage structure of the three-stage grinding stator group and the corresponding sorting layer is used to enable unqualified particles to automatically flow back to the matching grinding stage according to the particle size. Specifically, the initial screening is completed through the hemispherical cavity at the bottom of the grinding chamber. After the unqualified particles are transferred to the two-side cylindrical cavities by the adsorption pump, the real-time synchronous adjustment of the screening accuracy and the grinding parameters is realized.

The utility model relates to the technical field of colloid mills, and discloses a colloid mill suitable for animal protein production, which comprises a shell, a fixed grinding plate I mounted on the inner side of the upper part of the shell, a feeding pipe mounted on the eccentric side of the fixed grinding plate I, a cylindrical fixed grinding plate II mounted on the inner wall of the shell and positioned on the lower side of the fixed grinding plate, and a rotary grinding block rotatably mounted in the shell, a motor connected with the rotary grinding block is mounted at the bottom of the shell; a slurry outlet groove is mounted between the lower part of the shell and the lower part of the fixed grinding plate II in a penetrating manner; a cooling water cavity is formed in the second fixed grinding plate, and a cooling water conveying assembly communicating with the cooling water cavity is installed on the shell. Compared with the prior art, the cooling water cavity is formed in the second fixed grinding plate, cooling water is continuously conveyed into the cooling water cavity through the cooling water conveying assembly, the temperature of the second fixed grinding plate is reduced, the second fixed grinding plate makes contact with the first fixed grinding plate, the first fixed grinding plate is cooled, the multiple sets of first heat dissipation openings are formed in the side wall of the rotary grinding block, and the cooling effect is good. And good heat dissipation can be achieved.

The invention relates to the technical field of calcium fortifying methods of foods, and particularly discloses a preparation method and application of a calcium fortified food for preventing constipation. The preparation method of the calcium-fortified food comprises the following steps: preparing a wall material: adding the wall material into deionized water, and stirring to obtain a wall material solution; the wall material is prepared from the following raw materials: modified starch, xanthan gum, carboxymethyl cellulose sodium, magnesium stearate, modified inulin, sodium alginate and fucoidin; the composition for improving constipation, Arabic gum, carrageenan, lactulose and perilla seed oil are mixed, stirred to be uniform, ground and sieved, and the core material is obtained; and mixing the core material solution and the wall material solution, homogenizing by a colloid mill, and spray-drying to obtain the calcium-fortified food. According to the calcium-fortified food for preventing constipation, all the components are matched with one another to jointly improve the mechanical property of the wall material, so that the wall material is not prone to being broken, the storage life of the food is further prolonged, and meanwhile the occurrence rate of constipation caused by calcium supplement products can be obviously reduced.

The invention provides a fucoxanthin nano-emulsion preparation method, and relates to the technical field of biological medicine, fucoxanthin and medium chain triglyceride are used as raw materials to support an oil phase solvent, and the oil phase solvent is mixed with resistant dextrin, isomaltooligosacharide and fructo-oligosaccharide to prepare the fucoxanthin nano-emulsion. The oil-in-water fucoxanthin nano-emulsion with the particle size of 1-100nm is obtained by mixing water-phase solvents prepared from fucoxanthin, blood orange powder and the like, processing by a colloid mill and emulsifying and shearing by a vacuum tank, and the preparation increases the solubility of fucoxanthin, removes the unpleasant odor of fucoxanthin, reduces degradation of gastrointestinal tracts, improves the bioavailability, reduces the toxic and side effects of the fucoxanthin, improves the bioavailability of the fucoxanthin, and improves the bioavailability of the fucoxanthin. The controlled release and absorption of fucoxanthin are realized, and compared with traditional tablets and capsule products, the compliance of females, middle-aged people and old people who have difficulty in swallowing is greatly improved.