30 results about "Press cake" patented technology

The invention provides linseed oil rich in vitamin E and capable of enhancing linolenic acid activity and a preparation method of the linseed oil, and belongs to the technical field of edible oil processing. The preparation method of the flaxseed oil comprises the following steps: mechanically polishing and degumming flaxseeds, and then carrying out microwave thermal refining and low-temperature squeezing to obtain virgin flaxseed oil and a squeezed cake; adsorbing and deacidifying the primary oil through modified diatomite to obtain refined oil; carrying out ethanol solution ultrasonic extraction and supercritical CO2 extraction on the pressed cake to obtain a high-purity vitamin E extract; and finally, mixing the extract with the refined linseed oil to obtain the linseed oil. Through the whole-process low-temperature, physical adsorption and efficient extraction and purification process, the retention rate and enrichment degree of vitamin E are remarkably improved, meanwhile, nutritional ingredients such as alpha-linolenic acid are effectively protected, use of synthetic antioxidants is avoided, and the product has the advantages of being high in oxidation stability, good in safety, excellent in sensory quality and the like and is suitable for industrial production. The edible oil is suitable for being used as a nutritional supplement, edible oil or food additive.

The invention discloses a method for repairing a large surface of a converter by using hot-melt pressed cake slag, which comprises the following steps of: after the tapping of the converter is finished, purging the slag; the hot-melt pressed cake is added into a converter, and the angle of the converter is adjusted, so that the hot-melt pressed cake reaches the slag repair position; the converter is subjected to deslagging operation after standing; after the slag is poured, no material is added, and residual slag in the converter is splashed so that the slag becomes viscous after being cooled; adjusting the position of the converter to enable the slag to cover the hot-melt pressed cake hanging area; wherein the hot-melt pressed cake is obtained by heating and pressing waste materials generated in the steelmaking process. A good bonding interface can be formed between the hot-melt pressed cake and the converter lining, the chemical property, the thermal expansion coefficient and the like of the hot-melt pressed cake are closer to those of a converter lining material, the hot-melt pressed cake is not prone to falling off, stripping and the like in a high-temperature environment, the stability and durability of a repaired part are effectively improved, and the service life of the converter lining is prolonged.

The invention relates to a method for obtaining a protein concentrate from sunflower seeds, to a sunflower seed concentrate and to a foodstuff comprising such a concentrate. The process comprises the use of a sunflower press cake and various extracting steps using an alcohol.

The utility model relates to the technical field of rapeseed oil production and processing, and discloses an automatic press cake crushing and recycling device which comprises a box body, a grading crushing assembly is rotatably arranged in the box body and comprises two crushing rollers, an air duct crushing roller, a crushing cutter and a grinding roller, a wind power assembly is installed in the box body, and the wind power assembly is installed in the box body. The wind power assembly comprises an air supply pipe, air conveying pipes, an air inlet barrel and a spiral fan, the three air conveying pipes are arranged on the air supply pipe in an array mode, and rapeseed press cakes are crushed to different degrees in different modes, so that the rapeseed press cakes can obtain different degrees of granularity so as to adapt to different recycling requirements, and the device has good usability and application effect; and compressed air is used for blowing crushed materials staying on the screening plate, and meanwhile, the compressed air is used for blow-drying crushed press cakes through the air duct crushing roller, so that the phenomenon that the overwet press cakes adhere to the screening plate and the graded crushing assembly after being crushed is avoided, and therefore the cleaning burden is relieved.

The invention discloses a corn germ oil preparation method based on pressed cake microstructure regulation and control, and relates to the technical field of vegetable oil preparation. Corn germs are regulated to set target water content and softened in a set temperature interval, a three-section variable-pressure pressing process is adopted, cake layer compactness and temperature are detected on line, and the pressed cake microstructure is obtained. And the pressure fluctuation amplitude and frequency of second-stage squeezing are adjusted in real time through a dynamic feedback algorithm, so that the porosity and the pore connectivity rate of a squeezing cake reach the standard. Through press cake microstructure directional regulation and control and three-section variable pressure press dynamic optimization, the porosity and connectivity are remarkably improved, the solvent permeation rate is increased, the leaching time is shortened, and steam consumption, solvent turnover and power consumption are reduced. A low-temperature synchronous refining process is adopted, free fatty acids and pigments are synchronously removed under mild conditions, nutritional ingredients are effectively reserved, the energy consumption of a refining unit is reduced, the production period is shortened, the equipment utilization rate and the productivity are improved, and quality improvement, cost reduction and efficiency improvement in the whole preparation process of the corn germ oil are realized.

The invention belongs to the technical field of analysis and detection, and relates to a method for detecting the content of CaO, SiO2 and total Al in a slag pressing agent containing elemental aluminum. Comprising the following steps: S1, crushing a sample, uniformly mixing the sample, raising the temperature of a high-temperature furnace to 850 DEG C, and setting X fluorescence parameters; s2, pre-oxidizing the sample: putting a to-be-detected slag pressing agent sample containing elemental aluminum into a platinum gold crucible with a wall hung by using a mixed flux of lithium tetraborate and lithium metaborate; weighing lithium carbonate; uniformly mixing, and pre-oxidizing in a high-temperature furnace at 850 DEG C; s3, sample melting: taking out the pre-oxidized sheet and placing the pre-oxidized sheet in a 1050 DEG C sample melting furnace; melting is conducted for 15 min; performing mold reversing and sheet forming; s4, X fluorescence detection: putting the fuse piece sample into a spectrograph for detection, and giving a sample result; s5, sample detection is finished, whether a detection result between the parallel samples exceeds an allowable error range or not is judged, and an average result is calculated. The method solves the problem that X-fluorescence spectrum fuse piece analysis cannot be realized at present.

This invention relates to the field of machining technology, specifically disclosing a fully automatic metal chip pressing device, including a centrifuge cylinder and a support frame. A collection module is provided on the outside of the centrifuge cylinder, and the collection module includes a collection cover that is slidably fitted onto the outer wall of the centrifuge cylinder. The inner cavity of the collection cover is connected to the inner cavity of the centrifuge cylinder through a filter hole. A crushing module is provided at the top of the inner cavity of the centrifuge cylinder, and the crushing module includes a crushing box, a rotating rod, and a blade. The metal chips are pre-treated by the crushing module to crush long and curled chips. Then, the metal chips are centrifuged in the centrifuge cylinder to remove oil and coolant. After centrifugation, the chips are pressed into cakes by the pressing module, and then the pressed cakes are pushed out by a pusher plate. This automatically completes the crushing, centrifugation, and pressing of chips, quickly removes oil and coolant from the chips, reduces the impact of long and curled chips on the final pressed blocks, and ensures the quality of the pressed blocks.

Provided is an extract powder production facility that makes it possible to easily process an extract contained in stickwater obtained using seafood as a raw material into soup stock or seasoning having an excellent taste, while reducing the cost of concentrating the stickwater.　The extract powder production facility is provided with: a simmering machine 3 for simmering a raw material comprising seafood to produce a simmered product; a pressing device 4 for squeezing the simmered product to separate the simmered product into a press cake and press water; a separation unit 5 for subjecting the press water to solid-liquid separation and oily component separation to produce stickwater; a membrane treatment unit 6 which is provided with a reverse osmosis membrane 622 and in which the stickwater is allowed to pass through the reverse osmosis membrane 622 to concentrate an extract contained in the stickwater, thereby producing an extract concentrate; and a vacuum dryer 8 for drying the extract concentrate.

The kernels (4) of rapeseed are dehulled in an industrial process. From the dehulled kernel component (6) having a maximum of 4% by weight of shells and a water content of 4-7% by weight, cold-pressed rapeseed oil (25) is pressed. In the press cake (9) produced, the cake temperature is limited to 70°C and the first residual oil content is reduced to 18-28% by weight of dry mass. Pressurized water vapor (30) is delivered and the press cake (9) is then expanded into an expanded body. The water vapor is metered in such a way that the press cake (9) is temporarily heated to more than 100°C and the expanded body has a temperature of 80-95°C after expansion. The expanded body is extracted with an organic solvent, wherein the second residual oil content is reduced to 2% by weight of dry mass or less. A part of the expanded body is recycled after expansion for mixing with the dehulled kernel component (6) before pressing again in order to increase the friction when re-pressing.

Aiming at the problems of incomplete kernel-hull separation, low oil extraction rate, standard exceeding of free gossypol and the like in the traditional process, the invention provides a whole-process collaborative optimization process, which comprises the following steps: (1) performing three-stage screening and wind power seed cleaning to ensure that the impurity content of clean cottonseeds is less than or equal to 0.5%; (2) a tooth roller type husking machine is matched with a double-layer vibrating screen and a backflow re-husking system, the husking efficiency is larger than or equal to 95%, the shell content in kernels is adjustable in 15-18%, the kernel content in shells is smaller than or equal to 0.5%, and the cotton kernel breakage rate is smaller than or equal to 3%; (3) the flaking thickness ranges from 0.3 mm to 0.4 mm; (4) the steaming and frying temperature is 100-105 DEG C, and the water content is 8-10%; (5) the oil content of the pre-pressed cake is not more than 14%; (6) the solvent leaching temperature is 40-45 DEG C, and the solvent ratio is 1: (1.2-1.5); (7) crude protein of the cottonseed meal finished product is greater than or equal to 42% and free gossypol is less than or equal to 0.02%. The PLC intelligent control system is adopted to realize parameter linkage regulation and control, the solvent recovery rate is greater than or equal to 99.5%, the unit steam consumption is less than or equal to 220kg / t cake, efficient, low-consumption and high-quality continuous production is realized, and the comprehensive utilization rate of cotton seeds and the added value of products are remarkably improved.

The utility model relates to the field of metal scrap treatment, in particular to a scrap iron cutting and cake pressing all-in-one machine which comprises a cake pressing machine, a conveying rod rotationally connected to the bottom of the cake pressing machine, a crushing roller rotationally connected to the upper portion of the cake pressing machine, a motor a fixedly connected to the right side in the cake pressing machine, and an eccentric wheel fixedly connected to an output shaft of the motor a. The eccentric wheel is fixedly connected with the right end of a connecting rod, the left end of the connecting rod is fixedly connected with a screen used for screening broken scrap iron, the screen is slidably connected into the cake pressing machine, and the left side in the cake pressing machine is fixedly connected with a funnel used for guiding the screened scrap iron. Scrap iron is crushed through the crushing roller, the eccentric wheel is driven by the motor a, so that the connecting rod drives the screen to reciprocate, the scrap iron is screened, overlarge scrap iron falls into the funnel through the screen, the cutting knife is driven by the motor b, the overlarge scrap iron is cut by the cutting knife, and the situation that the cake pressing quality is reduced due to the fact that the size difference of the scrap iron is too large is avoided. And the production efficiency is improved.

A process of reducing the glucosinolate content in oilseed meal is disclosed. The oilseed meal is derived from Camelina sativa. The oilseeds are conditioned to degrade some of the glucosinolates. The conditioned oilseeds are pressed to expel oil from the seeds. The press cake fraction of the oilseed is extracted with hexane, desolventized and toasted to reduce the glucosinolate content. Defatted meals with low glucosinolate content made by the process are also described.

This invention relates to an eco-friendly solid air freshener. Compared to conventional solid air fresheners, it has a higher impregnation rate of fragrance components, resulting in superior fragrance diffusion and improved fragrance longevity. Furthermore, since it can be manufactured without a high-temperature heating process, fragrance loss is minimized, and user convenience is enhanced as it can be used without a separate container or reed stick. In addition, by utilizing naturally derived raw materials based on starch and modified starch, it minimizes the environmental burden upon disposal. It can also be applied in various forms, allowing for use in diverse environments such as indoors, vehicles, clothing, and air purifier filters. Moreover, by adding functional ingredients, it can provide additional effects such as insect repellent, deodorization, and antibacterial properties, making it more versatile than existing air fresheners.

This invention relates to the field of soy-based food products and discloses a method for preparing soy-based pastries using scraps of dried tofu sheets as raw materials, comprising the following steps: (1) soaking the scraps of dried tofu sheets to make soy paste; (2) mixing the soy paste, glutinous rice flour, and transglutaminase to obtain mixed soy paste; (3) placing the mixed soy paste into a molding mold and pressing it to remove water to obtain a pressed cake; (4) heating the pressed cake at 50-65℃ for 20-40 minutes, then steaming it at 85-100℃ for 30-50 minutes, and then cooling it. Using the preparation method of this invention, soy-based pastries with a fine texture, certain molding strength and elasticity, and good taste can be made from scraps of dried tofu sheets, realizing the reuse of scraps and increasing the added value of dried tofu products.

The invention discloses a method for preparing walnut oil and skin-free protein powder, and belongs to the technical field of oil and protein processing. The preparation method comprises the following steps: mixing walnut kernels and vegetable oil, grinding into thick liquid, and centrifuging to obtain an upper-layer oil phase and precipitate; centrifuging the upper-layer oil phase to obtain an upper-layer turbid oil phase and a lower-layer precipitate, and filtering the upper-layer turbid oil phase to obtain walnut oil 1 and retentate; mixing the lower-layer precipitate with the retentate, and squeezing to obtain an oil phase and a squeezed cake; filtering the oil phase to obtain walnut oil 2; crushing the pressed cake to obtain skin-free walnut protein powder; squeezing the precipitate to obtain walnut peel waste and squeezed oil, and filtering the squeezed oil to obtain walnut oil 3; and combining the walnut oil 1, the walnut oil 2 and the walnut oil 3 to obtain the final walnut oil. The peroxide value of the walnut oil prepared by the method is obviously reduced, and the content of phytosterol is increased; the skin-free walnut protein powder is white in color, almost free of bitter and astringent taste and good in taste.

A process of reducing the crude fiber content in oilseeds is disclosed. The oilseeds are derived from pennycress. The oilseeds are conditioned to degrade some of the crude fiber. The conditioned oilseeds are pressed to expel oil from the seeds. The press cake fraction of the oilseed is extracted with hexane, desolventized and toasted to reduce the crude fiber content. Defatted meals with low crude fiber content made by the process are also described.

The invention relates to a method for obtaining a protein concentrate from sunflower seeds, to a sunflower seed concentrate and to a foodstuff comprising such a concentrate. The process comprises the use of a sunflower press cake and various extracting steps using an alcohol.

The multi-station cake pre-pressing device comprises a support, a fixing support is fixedly connected to the upper surface of the support, a pre-pressing machine is fixedly connected to the upper surface of the right side of the fixing support, an upper pressing die is fixedly connected to the free end of the bottom of the pre-pressing machine, and a weighing frame is clamped to the inner surface of the left side of the fixing support. According to the device, the axial push plate ascends to extrude oil from the upper side and the lower side, so that the oil is pre-pressed into a cake, the pressure plate transmits pressure to the weighing device, the weighing device can detect the weight of the oil in the weighing frame, the discharging precision is improved, and the discharging efficiency is improved. The thickness of each cake is accurately controlled, the pre-pressing quality is improved, the material weighing frame is pulled away from the limiting plates, oil remaining in the material weighing frame can be conveniently collected and cleaned, on the contrary, the material weighing frame is inserted into the limiting plates, installation is convenient, and the operation convenience of the device is promoted.

This invention discloses a method for extracting vegetable oil, relating to the field of vegetable oil pressing technology. The method includes the following steps: cleaning and removing impurities from the oilseeds, adjusting the moisture content to 5-10%, and pre-treating them using gradient microwave puffing to obtain puffed oilseeds; mechanically pressing the obtained puffed oilseeds at low temperature to separate pressed oil and pressed cake; mixing the crushed pressed cake with a first eutectic solvent and stirring to obtain a mixture; adding a second eutectic solvent to the mixture, mixing evenly, allowing it to stand and separate into layers, obtaining a second eutectic solvent phase rich in oil and a water-first eutectic solvent phase; separating the obtained second eutectic solvent phase rich in oil into layers, collecting the upper oil layer to obtain the extracted oil. This invention achieves high oil yield, high safety, and high nutrient retention through the synergistic effect of gradient microwave puffing pretreatment, low-temperature pressing, and dual eutectic solvent stepwise extraction.

A process of reducing the glucosinolate content in oilseeds that include sinigrin as a glucosinolate. The oilseeds are pennycress oilseeds. The oilseeds are conditioned to degrade some of the glucosinolates. The conditioned oilseeds are pressed to expel oil from the seeds. The press cake fraction of the oilseed is extracted with hexane, desolventized and toasted to reduce the glucosinolate content. Defatted meals with low glucosinolate content made by the process are also described.

The utility model discloses an anti-sticking device for manually pressing pastries, and relates to the technical field of food processing, and the scheme is that the anti-sticking device for manually pressing pastries comprises a pressing handle; the stamping die plate is provided with a release agent powder storage cavity, the stamping die plate is provided with a plurality of distribution runners in the circumferential direction, one end of each distribution runner communicates with the release agent powder storage cavity, and the other end of each distribution runner penetrates out of the side wall of the stamping die plate; one end of the pressing rod is connected with the pressing handle, and the other end of the pressing rod is connected with the stamping template; the forming cylinder is provided with a forming die cavity; an isolating layer can be formed between the surface of the mold and food, and direct contact between the food and the mold is reduced, so that the adhesive force between the food and the mold is reduced, and the demolding success rate is increased.

The utility model relates to filter press air pressure press technical field discloses a filter press air pressure press reconstruction device, including the sludge collecting device for separating clean water and sludge, one side of sludge collecting device is equipped with the air drive press assembly for squeezing sludge, one side of air drive press assembly away from sludge collecting device is equipped with the air pressure power component for providing power, and the regulating assembly for controlling how much gas enters is arranged to the lower end of one side of air pressure power component, the diaphragm of baffle two sides in air drive press assembly realizes expansion through the compressed air of gas storage tank delivery, when compressed air enters the air cavity formed by diaphragm and baffle, diaphragm even expands along filter cake surface, and the filter effect of cooperation cloth and the anti -displacement effect of non -skid pad squeeze out the moisture in filter cake through water outlet, because gas storage tank can stable gas supply, and diaphragm press pressure deviation controls in small range, compared with the rigid extrusion of traditional mechanical press, the stress uniformity of filter cake has been promoted, and dehydration time has been shortened, and the regulating assembly realizes the turnover of turnover plate through the adjustment movable plate to control the amount of gas entering.

The present disclosure relates to a process for producing sunflower protein concentrate from sunflower seeds. The process involves dehulling the sunflower seeds, cold pressing the dehulled kernels to obtain a pressed cake with a low residual oil content and extracting the pressed cake using an extraction solvent substantially free of hexane. This process yields a high-quality sunflower protein concentrate with a protein content of at least about 55 wt% on a dry basis and desirable functional properties. This disclosure further encompasses the sunflower protein concentrate produced by the process and its use in a variety of food applications.

The process and apparatus are used for processing oilseeds. The seeds are first subjected to a primary pressing and then to a secondary pressing. Oil is extracted during at least one of the pressing processes. At the end of the secondary pressing, a press cake is produced. This press cake then undergoes hydrothermal treatment.

A process of reducing the crude fiber content in oilseed meal is disclosed. The oilseed meal is derived from Camelina sativa. The oilseeds are conditioned to degrade some of the crude fiber. The conditioned oilseeds are pressed to expel oil from the seeds. The press cake fraction of the oilseed is extracted with hexane, desolventized and toasted to reduce the crude fiber content. Defatted meals with low crude fiber content made by the process are also described.

The utility model provides an oil material press cake conveying device, which relates to the technical field of oil material processing, and comprises a housing, a conveyor belt and a fan, the housing is provided with a cake inlet, an air inlet and an air exhaust part, and the air exhaust part is arranged between the cake inlet and the air inlet; the conveying belt is arranged in the shell cover, a first air flow channel and a second air flow channel are arranged in the shell cover, and the first air flow channel is communicated with the cake inlet and the exhaust part. The shell cover is provided with the cake inlet, the air inlet and the air exhaust part, so that the first air flow channel and the second air flow channel are formed in the shell cover, negative pressure is formed in the air exhaust part by the fan, external air is introduced into the first air flow channel and the second air flow channel, the pressed cakes are secondarily cooled in the pressed cake conveying process, and the pressed cakes are cooled to be uniform. The temperature can be effectively reduced during subsequent packaging, so that quick packaging operation of the press cakes is realized, and packaging treatment after cooling in a special field is not needed.

A method for producing an edible oil comprises the steps of: (1) contacting an edible oil with a corresponding oilseed press cake under conditions that allow extraction of bioactive compounds into the oil to obtain an oil–cake slurry; (2) warm extraction step; (3) adding pellets of seed to the slurry; (4) re-pressing the obtained substrate; (5) filtering the oil from the repressed substrate. The edible oil obtained has an increased content of natural bioactive compounds, e.g. polyphenol, compared to the non-optimzed oil of the same source.