18results about How to "Low drying temperature" patented technology

The invention belongs to the technical field of health care products, and particularly relates to a production process of black ginseng peptide powder, and the technical scheme is that the production process of the black ginseng peptide powder comprises the following steps: pre-treating raw materials, cleaning black ginseng, removing impurities, ensuring the purity of the raw materials, cooking the cleaned black ginseng, and drying to obtain the black ginseng peptide powder. The method comprises the following steps: extracting active ingredients in black ginseng, adding a mixed enzyme for enzymolysis, decomposing proteins in the black ginseng into small-molecular peptides under the action of the mixed enzyme to obtain a liquid after enzymolysis, carrying out precise filtration, carrying out precise filtration on the liquid after enzymolysis, removing impurities to obtain a pure peptide liquid, and concentrating the pure peptide liquid by using concentration equipment to obtain the black ginseng peptide. The size is reduced; in the enzymolysis step of the production process of the black ginseng peptide powder, protein in black ginseng can be decomposed more comprehensively by using mixed enzyme and is converted into small molecule peptide, and the small molecule peptide is more easily absorbed and utilized by a human body.

The invention provides a thick electrode plate without residual multi-step holes, a preparation method of the thick electrode plate and a lithium ion battery. According to the preparation method, the current collector is obtained; sequentially carrying out n times of coating operation on the slurry; the slurry for the first coating operation does not contain ammonium bicarbonate solid particles; slurry from the second coating operation to the nth coating operation contains ammonium bicarbonate solid particles, and the use amount of the ammonium bicarbonate solid particles used in each coating operation is increased along with the increase of the coating operation times; and sequentially carrying out drying operation and rolling operation on the slurry after each coating operation, so that the ammonium bicarbonate solid particles are gasified during drying, and the obtained non-residue multi-stepped-hole thick electrode plate forms a down-gradient-difference porous structure. According to the preparation method, the characteristic that the ammonium bicarbonate solid particles are easy to decompose at low temperature and free of residues is utilized, on the premise that it is guaranteed that the porous structure along the gradient difference is prepared, the phenomenon that the coating is prone to cracking in the drying process is avoided, and drying energy consumption is reduced.

An integrated washer dryer, comprising a drum (R) and a drying module (D). The drying module (D) comprises a moisture absorption and moisture removal component (D1), a moisture absorption channel (D2), and a moisture removal channel (D3). The moisture absorption channel (D2) comprises a moisture absorption channel air inlet (D21) and a moisture absorption channel air outlet (D22). The drum (R) is communicated with the moisture absorption channel air inlet (D21) and the moisture absorption channel air outlet (D22), respectively. A moisture absorption channel fan (D23) is provided in the moisture absorption channel (D2) to form a moisture absorption air stream in the drum (R) and the moisture absorption channel (D2). A moisture removal channel fan (D33) is provided in the moisture removal channel (D3) to form a moisture removal air stream in the moisture removal channel (D3). The moisture absorption and moisture removal component (D1) is provided in a path of the moisture absorption channel (D2) and the moisture removal channel (D3), so that the moisture absorption air stream and the moisture removal air stream both flow through the moisture absorption and moisture removal component (D1), so that the moisture absorption and moisture removal component (D1) absorbs moisture of the moisture absorption air stream during rotation and discharges the absorbed moisture by means of the moisture removal air stream.

The invention discloses a catalyst for catalytic combustion of toluene by copper-doped manganese-cerium composite oxide and a preparation method thereof. The catalyst comprises the following steps: using a ball milling method to mix Mn with different molar proportions of the substance; 2+ Salt, Ce 3+ Salt, Cu 2+ The salt and the stabilizer citric acid are ball-milled uniformly to obtain a uniform mixture of manganese, cerium and copper; the ball-milled sample is dried in an oven at 30°C-80°C; the sample is calcined at a high temperature of 360°C-400°C for 4h-8h to obtain a nanocatalyst for efficiently degrading toluene. The copper-doped manganese-cerium composite oxide catalyst synthesized by the present invention has good toluene degradation performance, low activation energy, strong oxygen circulation capacity, high stability, simple and safe operation, and energy saving and environmental protection.

The utility model relates to medicinal material drying -machine technical field, and disclose a radiator mechanism of belt dryer, including integrated box and hot -blast circulation group, the integrated box has a plurality of rack fixed mounting constitution, every rack all is provided with hot -blast circulation group, the one side of rack is provided with side door, be provided with the air passage on the side door, the hot -blast circulation group includes air guide channel and radiator, the radiator is located in air guide channel, just the radiator swing joint is established on the rack, the utility model discloses through the setting of the flow divider, can divide the airflow that carries heat into two, one flows to the rack, one passes through the side door and flows to the outside, to this to reduce the hot gas content in the rack, to reach the purpose that reduces the drying temperature in the rack under the premise that does not change the cooling effect of radiator to coolant, and does not need additional energy equipment, saved the consumption of energy.

The invention provides a preparation method of dry amomum tsao-ko bud powder. The preparation method comprises the following steps: S1, soaking fresh amomum tsao-ko buds in an anti-freezing agent for 8-12 minutes, and cleaning the fresh amomum tsao-ko buds; s2, freezing the fresh amomum tsao-ko buds treated in the step S1 at low temperature for 23-25 hours; s3, performing vacuum freeze drying for 23-25 hours under the conditions that the vacuum degree is 4-6 Pa and the temperature is-30 to-50 DEG C, and S4, crushing the amomum tsao-ko buds treated in the S3 by using a freeze crusher, controlling the crushing time to be 4-6 seconds each time during crushing, and repeating for 3 times; s5, sieving the crushed amomum tsao-ko bud powder; and S6, sealing and storing the dry amomum tsao-ko bud powder with The preparation method of the amomum tsao-ko bud dry powder provided by the invention is higher in efficiency, better in quality, safer, more efficient and more environment-friendly.

The invention discloses a matt synergistic method for digital printing gloss oil. The matt synergistic method comprises the following steps: step a) preparing raw materials; b) stirring; c) coating; step d) drying; e) humidifying: a) preparing raw materials: preparing a proper amount of UV ink, a diluent, white oil, a viscosity reducer and an inorganic filler, b) stirring: stirring and mixing the raw materials in the step a) to form high-gloss ink, c) coating: uniformly coating the ink on the coated surface through a printing machine to form a gloss oil first layer, and d) drying the gloss oil first layer. The drying efficiency of the first gloss oil layer and the second gloss oil layer is controlled through irradiation and sunlight irradiation, when the ink is cured to form a film, the inorganic material is free and floats on the surface of the cured ink film by utilizing the incompatibility between a resin system and the inorganic material, the glossiness of the ink film is reduced, and a matte effect is achieved.

The invention discloses a preparation method and application of a high-purity hydrated rare earth halide, the general formula of the hydrated rare earth halide in the method is REX3.xH2O, RE is a rare earth element, X is halogen, x is the number of crystal water, and x is 6, 7, 8, 9 or 10, the method comprises the following steps: heating rare earth oxide RE2O3 and excessive HX acid to react until the solution is clear and transparent, removing insoluble substances, filtering, washing, and drying to obtain the high-purity hydrated rare earth halide. A first mixed solution is obtained; evaporating and concentrating the first mixed solution, and filtering to obtain a hydrated rare earth halide crude product; dissolving the hydrated rare earth halide crude product in ethanol and heating to obtain a second mixed solution; and placing the second mixed solution in a reduced-pressure vacuum drying device, and removing ethanol and free water under reduced-pressure vacuum heating conditions to obtain a final product. By adopting the preparation method disclosed by the invention, the hydrated rare earth halide with high purity and fixed crystal water content can be obtained, the consumed time is short, and batch production is facilitated.

The invention provides a preparation method of anhydrous solid peroxy acid for epsilon-caprolactone production, which comprises the following steps: (1) taking C4H4O3 and a solvent in a three-necked flask, fully dissolving C4H4O3 under mechanical stirring, slowly dropwise adding H2O2, fully reacting in a water bath, carrying out suction filtration after the reaction is finished to obtain a white granular solid, washing with the solvent, and drying to obtain the anhydrous solid peroxy acid for epsilon-caprolactone production; the solid peroxysuccinic acid is obtained. (2) dissolving a peroxysuccinic acid solid and CH3COOH, after the dissolution is completed, filtering the reaction liquid to separate the solid from the liquid, leaving the solid for later use, taking the liquid, adding a drying agent into the liquid, fully stirring in a water bath, after the drying is completed, filtering, and mixing and dissolving the liquid and the solid for later use to obtain a dried peroxysuccinic acid-CH3COOH mixed solution; according to the invention, the drying process of the drying agent on the peroxysuccinic acid is realized, and the possible industrial safety problem of a vacuum drying mode is avoided.

The utility model discloses a novel superheated water heat preservation sleeve, and relates to the related technical field of spinning drying. The heat preservation device comprises a heat preservation outer pipe, a fixed cavity and an inner sleeve, a water conveying cavity is formed in one end in the heat preservation outer pipe, a movable cavity is formed in the heat preservation outer pipe on the end face of the inner wall of the water conveying cavity, and a transfer cavity is formed in the heat preservation outer pipe on the face, away from the water conveying cavity, of the movable cavity; a fixed cavity is movably connected to the peripheral side of the heat preservation outer pipe on the outer side of the water conveying cavity, an inner sleeve is arranged in the water conveying cavity of the heat preservation outer pipe, and the diameter of the inner sleeve is smaller than the inner diameter of the movable cavity. By arranging the heat preservation outer pipe, the fixing cavity and the inner sleeve, the problems that the temperature of the drying shaft is high during viscose continuous spinning drying, the inside and the outside of the inner sleeve of the heat preservation sleeve are heated, the aging process is accelerated, and a water circulation conveying structure needs to rotate together with the drying shaft and is prone to damage are solved.

The present invention provides a cooling function roll paper for cigarette filter and its preparation method and application. The preparation method of the cooling function roll paper for cigarette filter of the present invention comprises: S1: mixing phase change material, solvent and surfactant and stirring to obtain a mixed solution; S2: loading the mixed solution on the surface of the roll paper, drying, and obtaining the cooling function roll paper for cigarette filter; wherein the mass content of the phase change material in the mixed solution is 3-20%, and the mass content of the surfactant is 0-5%. The present invention realizes the modification of the roll paper by phase change material through a simple process, reduces the smoke temperature at the cigarette filter part, and improves the smoking comfort of consumers.

The present invention relates to a condenser, a drying device and a clothing care device for clothing care, comprising a condensation chamber, a first inlet and a first outlet, wherein the first inlet is arranged at one end of the condenser to receive hot and humid air, and the hot and humid air forms dry air after condensation in the condensation chamber, and the first outlet is arranged at the other end of the condensation chamber to discharge dry air; and a damper arranged on the side wall of the condensation chamber to discharge part of the hot and humid air. By using the drying device and clothing care device of the condenser, the damper can adjust the opening according to the conditions, discharge part of the hot and humid air, improve the use efficiency of the condenser, keep the temperature of the drying device low, shorten the drying time, and reduce wrinkles and damage to the clothes.

The invention relates to the technical field of battery materials, in particular to a hydrophobic aramid fiber coating liquid for a lithium ion battery, a coating diaphragm and a preparation method of the hydrophobic aramid fiber coating liquid for the lithium ion battery, and the preparation method comprises the following steps: carrying out condensation polymerization on a biphenyl ring aromatic diamine monomer and isophthaloyl dichloride in an organic solvent, neutralizing and defoaming to obtain a DPMIA polymer liquid; the preparation method comprises the following steps: carrying out condensation polymerization on an m-phenylenediamine monomer and isophthaloyl dichloride in an organic solvent, neutralizing and defoaming to obtain a PMIA polymer solution; and mixing the DPMIA polymerization liquid and the PMIA polymerization liquid, and adding an organic solvent for dilution to obtain the coating liquid. And uniformly coating a base membrane with the coating liquid, carrying out coagulating bath forming, washing with water, drying, sizing and rolling to prepare the hydrophobic aramid fiber coated diaphragm. The coating liquid can greatly reduce the off-machine moisture of a coated diaphragm, accelerate the on-machine coating speed of aramid fibers, reduce the drying temperature of a drying section, shorten the drying time, reduce the energy consumption and simultaneously show the advantage of low-temperature discharge.

The present invention belongs to the technical field of NdFeB permanent magnet materials, and relates to a method for preparing a grain boundary diffusion sintered NdFeB permanent magnet material, including: (1) main alloy proportioning, smelting, and powdering to obtain main alloy fine powder; (2) auxiliary alloy proportioning, smelting, and powdering to obtain main alloy fine powder; (3) mixing the main alloy fine powder, auxiliary alloy fine powder, and nano powder, adding an auxiliary agent, and pre-pressing to obtain a pre-pressed embryo; the nano powder is one or more of transition metal carbide nano powder and transition metal oxide nano powder; (4) isostatic pressing, sintering, black sheet treatment, diffusion source diffusion, diffusion heat treatment, and aging the pre-pressed embryo to obtain a grain boundary diffusion sintered NdFeB permanent magnet material. The method for preparing the grain boundary diffusion sintered NdFeB permanent magnet material of the present invention is suitable for large-size products with high magnetization direction.

The utility model relates to the field of disc dryers, and discloses a rake arm structure of a disc dryer. The rake arm structure comprises a rake rod, rake blades and a pressing wheel, one end of the rake rod is used for being fixedly connected with a main shaft of the disc type drying machine, the rake blades are fixedly arranged on the rake rod and used for stirring materials on a drying disc of the disc type drying machine, and the pressing wheel is fixedly connected with the rake rod and used for rolling the materials on the drying disc. The rake rod is fixedly connected with a main shaft of the disc dryer, so that the rake rod can rotate along with the main shaft; the harrow blades arranged on the harrow rods can stir materials on the drying disc, so that the materials are in full contact with the drying disc, and the drying efficiency of the materials is improved; the pressing wheel connected with the rake rod can grind the high-water-content materials on the drying disc, so that the sizes of the materials are reduced, the high-water-content materials are dried, the situation that the high-water-content materials are stacked on the rake blades to cause overload operation of the main shaft can be avoided, the materials can make full contact with the drying disc, and the material drying efficiency is improved.

The utility model discloses a vacuum drying device for ganoderma lucidum spore powder, and relates to the technical field of food processing. The drying device comprises a drying box, the top of the back face of the drying box is fixedly connected with a vacuumizer, the top of the drying box is fixedly connected with a rotary stirring assembly, the top of the rotary stirring assembly is fixedly connected with a soaking drying assembly, and the rotary stirring assembly comprises a protective cover fixedly connected to the top of the drying box. The problems that a traditional drying machine is uneven in heating and conidial powder is caked are solved, in the rotary stirring assembly, a driving motor drives a transmission shaft to enable a containing disc to rotate, meanwhile, a stirring rod is driven by a driving wheel, a driven wheel, a worm and a worm wheel to rotate, the ganoderma lucidum conidial powder is stirred, caking is avoided, and the drying efficiency is improved. A hot-air blower of the soaking and drying assembly uniformly feeds hot air into a drying box through an arc-shaped pipe and a flow divider, all parts of the spore powder are uniformly heated in combination with rotary stirring, the drying effect is effectively improved, and stable product quality is guaranteed.

The invention discloses a high-activity alkaline hydrogen evolution catalyst and a preparation method thereof, and the preparation method comprises the following steps: (1) stirring precursors (including a platinum precursor and a nickel precursor), ferric chloride, hexadecyl trimethyl ammonium chloride, polyvinylpyrrolidone and tungsten hexacarbonyl at room temperature by using ethanol as a solvent to obtain a uniform dispersion liquid; the preparation method comprises the following steps: preparing a first dispersion liquid containing a WOx-Pt3Ni nano octahedron by adopting a solvothermal method; (2) removing a surface adsorbent from the WOx-Pt3Ni nano octahedron obtained in the step (1) by using acetic acid to enhance the hydrophilicity and obtain a second dispersion liquid; and (3) adding the first dispersion liquid obtained in the step (2) into a carbon carrier, and ultrasonically mixing uniformly to obtain the alkaline hydrogen evolution catalyst (WOx-Pt3Ni / C). The preparation method and experimental operation are simple and efficient, high in yield and environment-friendly; the prepared catalyst shows excellent electrocatalytic hydrogen evolution and anion exchange membrane water electrolysis performance in an alkaline medium.

The utility model discloses a kind of low-temperature hot water drying systems for coal mine receiving and sending clothes room, belong to coal mine clothes drying technical field;Including solar heat collecting tube, solar water heater, air source heat pump water heater unit, bath hot water tank and receiving and sending clothes room dryer;Solar water heater connects solar heat collecting tube bidirectional transmission hot and cold water, solar water heater and air source heat pump water heater unit are respectively connected bath hot water tank transmission hot water by solar water pipe, air source heat pump water inlet and outlet water water pipe connection, bath hot water tank is connected receiving and sending clothes room dryer and bathroom bath shower head transmission hot water by water outlet pipe respectively, and recycling cold water by backwater pipe connection receiving and sending clothes room dryer.The utility model system is by setting solar water heater and air source heat pump water heater unit, and a part of hot water for bathroom circulation is used for clothes drying of receiving and sending clothes room dryer, can improve the utilization of low-temperature hot water, effectively guarantee the safety production inside coal mine, avoid safety hidden danger.