72 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 relates to a multifunctional combined clamp for assisting in pressing cakes, which is arranged on a mechanical arm and comprises a bracket, a clamping and dumping device, an inner flying paper suction device, a tea grabbing device and a tea smoothing device, the support is U-shaped, and a mounting hole is formed in the bottom of the support and used for being mounted on a mechanical arm. The inner flying paper suction device, the tea leaf grabbing device and the tea leaf smoothing device are arranged on the outer surfaces of side arms on the two sides of the support respectively; the clamping and dumping device is installed in the support and can clamp a tea barrel with tea leaves and pour the tea leaves in the tea barrel into the cake pressing mold through movement of the mechanical arm. The functions of barrel pouring, smoothing, tea grabbing, tea placing and inner flying paper sucking and placing are integrated on the clamp, the clamp is driven by the mechanical arm to move to be matched with all the functions on the clamp, automation of the tea cake pressing process is completed, and the situation that due to non-uniform manual intervention operation, the quality of processed tea cakes is not uniform is avoided. And the overall quality of the product can be improved.

The utility model discloses a layered cake-pressing system and seedling cultivation system, the layered cake-pressing system comprises a base plate, a frame is placed on the upper surface of the base plate, the frame comprises a plurality of hollow holes with openings at the upper and lower ends, a plurality of punching cones are fixed on the upper surface of the base plate, and the punching cones are fixed on the upper surface of the base plate. The multiple punching cones are located in the multiple hollow holes correspondingly, isolating membranes are laid in the hollow holes, and the isolating membranes are punched through the punching cones. The pressing cake for saline-alkali soil treatment is not easily blown away by sand wind, and the saline-alkali soil treatment effect is guaranteed.

The utility model discloses a tea cake forming device for tea production, which comprises a fixed seat, the fixed seat is mounted on external equipment, an adjusting mechanism is arranged on the fixed seat, and the adjusting mechanism comprises a telescopic mechanism, a push rod, a threaded pipe, a hexagonal sleeve, a fixed sleeve, a pushing mechanism, a limiting rod, a pressure plate, a sliding block and a fitting ring. The telescopic mechanism is connected to the push rod and the fixing base in a matched mode, the threaded pipe is connected to the push rod in a threaded mode, and the adjusting mechanism can accurately control the pressing strength so as to adapt to different types of tea leaves and meet the production requirements. A user is allowed to flexibly adjust the pressure according to the characteristics of tea leaves and the required forming standard, the fixing sleeve is connected to the hexagonal sleeve through threads, the push rod and the telescopic mechanism can accurately adjust the position of the pressing disc, then the pressure for pressing the tea leaves is adjusted, and the quality and consistency of tea cakes are guaranteed.

The invention relates to a rapid filtering device and method for potassium fluoborate production, aiming at the characteristics of slurry containing KBF4 crystal (D50 = 20-50 [mu] m), colloidal metaboric acid (HBO2) and potassium fluosilicate (K2SiF6) impurities prepared by a hydrofluoric acid-boric acid method, the device adopts a sliding block type filter frame and inflatable elastic filter cloth structure, and is matched with a rotary scraper and a hydraulic turning plate mechanism; the method comprises the following steps: controlling the temperature of reaction slurry with the solid content of 15-30wt% to 38-58 DEG C, pumping the reaction slurry into a device, breaking KBF4-K2SiF6 heterogeneous aggregates through 5-22rpm rotary stirring, triggering 0.48-0.82 MPa inflatable extrusion to peel boric acid colloid when the filtering pressure difference reaches 0.3-0.6 MPa, driving a scraper to radially feed 5-18mm crushed pressed cakes after a gas source is closed, further separating crystals and wrapping mother liquor through secondary extrusion (0.42-0.68 MPa), and finally obtaining the high-purity KBF4-K2SiF6 / KBF4-K2SiF6 / KBF4-K2SiF6 / KBF4-K2SiF6 / KBF4-K2SiF6 composite material. And finally, a filter cake with the water content of 15-25wt% is discharged by a hydraulic overturning guide plate (the inclination angle of 25-40 degrees). Compared with a traditional process, the method has the advantages that the B2O3 residual quantity is reduced to be less than or equal to 0.15 wt% (reduced by more than 50%), the filtering efficiency is improved by 2.1-3.2 times, and the method is suitable for a ten-thousand-ton potassium fluoborate production line.

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 discloses a waste steel inspection method, which comprises the following steps that: step 1, an inspector performs visual inspection on surface abnormity of a to-be-inspected wood shaving pressed cake in an unloading process to form a primary judgment result, and the result is input into a system; 2, taking an unloading inspection batch of the same supplier every day as one batch, and in the unloading process, randomly grabbing one wood shaving pressed cake by each vehicle according to a plum blossom five-point sampling method to serve as a sample; step 3, separately crushing each sample into blocks by using a hammer or a steel grabbing machine on site, and shoveling about 2kg of samples from the crushed material of each sample by using a sampling shovel according to a plum blossom five-point sampling method; and step 4, fully hammering the shoveled fragments again into samples with relatively small particle sizes, dividing the crushed samples into about 4kg by using a large-caliber riffle, dividing the samples into two parts again, retaining one part, and detecting the other part. The invention relates to the field of scrap steel detection, in particular to a scrap steel detection method.

The invention discloses a saline-alkali soil improvement method and system, and the method comprises the steps: S1, uniformly mixing sludge generated by sewage treatment and plant ash, and composting to obtain an organic fertilizer; s2, the frame is sequentially filled with the plant ash and the organic fertilizer and compacted, and a pressed cake is formed; and S3, plants are cultivated in the pressed cakes, and then the pressed cakes are integrally transplanted into the saline-alkali soil to be treated. After the briquette fuel prepared from the straw is used for heat supply, the ash is mixed and composted, the sludge is not dewatered, the moisture requirement in the composting process can be ensured, then the organic fertilizer obtained through composting is used for saline-alkali soil treatment, the effect is good, and the cost is low.

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.

The invention relates to the technical field of graphite processing, and particularly discloses high-temperature-oxidation-resistant expandable graphite and a preparation process thereof. The preparation process of the high-temperature-oxidation-resistant expandable graphite comprises the following steps: mixing and stirring graphite and an intercalator to react, washing, carrying out suction filtration, and drying to obtain a first solid; an antioxidant is added into the first solid according to the mass ratio of 1: (0.004-0.01), precipitation is performed after mixing, a second solid is obtained, the antioxidant comprises phosphate and modified nano attapulgite, then the second solid is expanded at the temperature of 900-1000 DEG C, and the composite material is obtained after cake pressing. The high-temperature-oxidation-resistant expandable graphite can be used in the field of high-temperature sealing barrier materials, has the advantage of excellent high-temperature-oxidation-resistant performance, is low in thermal weight loss rate and ash content, and has excellent compression resilience.

The utility model provides a metal scrap cake pressing and pushing-out mechanism which comprises a rack, a cake pressing mechanism, a pushing-out mechanism and a base. The rack comprises a first supporting column, a second supporting column, a first supporting plate and a second supporting plate, the top of the first supporting column is connected with the first supporting plate, the second supporting plate is arranged above the first supporting plate, and the second supporting column is connected between the first supporting plate and the second supporting plate; the cake pressing mechanism comprises a stamping device and a die, and the output end of the stamping device can penetrate through the second supporting plate to conduct cake pressing operation on metal scraps in the die. The pushing-out mechanism comprises a pushing driving mechanism, a pushing assembly, a separating mechanism and a discharging mechanism, and the pushing assembly is in sliding connection with the separating mechanism. According to the metal scrap pressing cake pushing-out mechanism, scrap cakes and scraps can be separated, the scrap cakes are pushed to the discharging mechanism to be discharged through the pushing-out mechanism, and meanwhile the scraps are pushed to the scrap storage box through the pushing-out mechanism and can be recycled.

The utility model discloses novel beneficiation dehydration equipment, which relates to the technical field of beneficiation dehydration and comprises a base, a drying cylinder fixedly connected to the top of the base, a feed hopper fixedly connected to the top of the drying cylinder, a scraping mechanism arranged in the drying cylinder, a movable column rotatably connected to the top of the drying cylinder and used for driving the scraping mechanism to move, and an auxiliary plate. The auxiliary plate is fixedly connected to the movable column, symmetrical connecting rods are fixedly connected to the bottom of the auxiliary plate, the connecting rods incline at a certain angle, auxiliary scraping plates are fixedly connected to the sides, away from each other, of the connecting rods, a plurality of protruding blocks are fixedly connected to the inner wall of the drying cylinder, and the movable column drives the auxiliary scraping plates to move so as to extrude the protruding blocks. The device has the beneficial effects that a power motor drives a movable column to rotate to drive an auxiliary plate to rotate, the auxiliary plate drives an auxiliary scraping plate to rotate through a connecting rod and grinds a filter cake to scatter the filter cake, and the auxiliary scraping plate extrudes a convex block when rotating to further scatter cakes in the filter cake, so that powder particles are uniformly heated, and the dehydration efficiency is improved.

The utility model relates to a cake pressing and pressure maintaining device for an automatic production line of crispy guokui, and belongs to the technical field of matching devices of the production line of the crispy guokui. Comprising a rack, an electric control box, a stroke-adjustable air cylinder, a lifting platform guide rod, a machine table movable pressing plate, a pressure regulating filter and a safety grating. By controlling the stroke-adjustable air cylinder, when dough is flattened to the required thickness in two flattening procedures of the dough on a production line, the pressure of the dough can be maintained for several seconds, so that the dough is prevented from rebounding in the subsequent procedures, the subsequent procedures can be smoothly carried out, and the pressure maintaining time can be adjusted according to the fermentation time of the dough. The pressure maintaining device is simple in structure and convenient to install, and can be matched with various dough production lines with stuffing, such as a crispy guokui production line and a steamed stuffed bun production line. The problems that after dough is flattened by existing crispy guokui forming equipment, part of the dough can rebound to the shape before flattening, so that subsequent procedures cannot be completed, and the rejection rate of finished products is high are solved.

The invention belongs to the technical field of laver processing, and provides a three-cylinder pressed cake making device which comprises a base, a plurality of sets of mounting cylinders distributed at intervals are fixedly mounted on the base, coaxially-arranged placing cylinders are rotatably mounted in the mounting cylinders, first filter plates are arranged at the lower ends of the placing cylinders, filter holes are formed in the side walls, located in the mounting cylinders, of the placing cylinders, and the filter holes are communicated with the mounting cylinders. A power assembly for driving the placing cylinder to rotate is arranged on the mounting cylinder; and a first telescopic piece fixedly mounted on the base is arranged in the mounting cylinder. Compared with the prior art, the device has the following beneficial effects that a pressing plate can conduct preliminary compression on a laver cake, then a second filter plate drives a fixing column to move upwards, part of point positions of the laver cake are pressed and fixed to the pressing plate, and a placing barrel is driven by a power assembly to rotate; under the action of centrifugal force, water in the laver can be quickly thrown out.

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.

The invention discloses a particle steel hot-press cake manufacturing device and a manufacturing method thereof, relates to the technical field of particle steel hot-press cakes, and aims to solve the problems that most of particle steel hot-press cakes proposed in the background technology need to be transferred and conveyed by using equipment such as a loading machine and the like; in order to solve the problems that in the prior art, a loading machine cannot take out particle steel hot-pressing cakes in time, and the working efficiency is low, the following scheme is provided: the device comprises an operation table, and a pressing die is arranged at the top of the operation table; the pressing die comprises a bottom ring connected to the outer wall of the top of the operation table through a bolt, a mounting ring connected to the outer wall of the bottom ring through a bolt, a fixing ring connected to the inner wall of the upper portion of the mounting ring through a bolt, a graphite die connected to the outer wall of the top of the bottom ring through a bolt, and an induction coil arranged on the outer wall of the graphite die in a sleeving mode. A supporting mechanism is arranged in the operation table. According to the metal block demolding device, a metal block can be rapidly subjected to demolding treatment, meanwhile, the metal block is clamped and subjected to heat dissipation, and the practicability is improved.

The invention provides a method for rapidly identifying a library collection mineral specimen, and relates to the technical field of mineral identification, and the method comprises the following steps: taking out small samples; grinding the sample into powder in an agate mortar; the method comprises the following steps: uniformly mixing a sample with microcrystalline cellulose, placing the mixture in a forming mechanism of sample pressing equipment, pressing the mixture by a hydraulic system, and paving a layer of high-ductility plastic film on the microcrystalline cellulose before sample pressing; establishing a database of mineral elements; putting the microcrystalline cellulose pressed cake of the mixed sample into XRF (X-Ray Fluorescence) for testing; according to the method, the X-ray fluorescence spectrophotometer is utilized and is assisted by the polarizing microscope for identification, the reliability of the identification result is improved, and a layer of plastic film with good ductility is laid above microcrystalline cellulose before sample pressing, so that pollutants on a pressed cake are prevented from being pressed into the microcrystalline cellulose in the sample pressing process, and the quality of the sample is improved. And the matched sample pressing equipment improves the accuracy of an identification data result and reduces the cleaning difficulty.

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.

A plant and yeast-based meat-alternative product comprising an oilseed press cake, yeast and water wherein the press cake to water ratio is in a range of 3:2 to 1:3, wherein the press cake is obtained from pressing of oil from oilseed of one or more oil producing seed types, wherein at least a portion of the seeds are roasted prior to their de-oiling, and wherein the meat-alternative product contains less than 5% wheat, nuts and / or soy.

The utility model provides a bean grinding and powder pressing machine provided with a powder pressing device, and aims to solve the problems that in the prior art, coffee bean powder in a powder receiving cup needs to be pressed into pressed cakes in a manual mode, operation is very inconvenient, and efficiency is low. A bean grinding and powder pressing machine provided with a powder pressing device comprises a machine body provided with a powder hammer lifting channel, and a powder receiving opening is formed in the lower end of the powder hammer lifting channel; the powder hammer assembly comprises a powder hammer, and the powder hammer is arranged in the powder hammer lifting channel in a sliding manner; and the driving motor is arranged on the machine body, a transmission mechanism is arranged between the driving motor and the powder hammer assembly, and the driving motor drives the powder hammer assembly to ascend and descend along the powder hammer lifting channel through the transmission mechanism. According to the automatic powder pressing device, the effect of automatic powder pressing is achieved, manual powder pressing is not needed any more, and the automatic powder pressing efficiency of the automatic powder pressing device is higher.

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.