273results about How to "Quick drying" patented technology

The invention provides an ink-jet recording material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, and relates to an ink-jet material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, so that the problems of poor ink absorption effect, nonuniform color distribution of printed images, unclear printed images and higher preparation cost of the existing ink-jet recording material can be solved. The ink-jet recording material is prepared from the ink-jet layer coating liquid which is prepared from PVC (polyvinyl chloride) serving as a base material, a 20-30% polyacrylic acid emulsion serving as a primer, an inorganic nano-pigment with the thickness of 10-100nm, a dispersing agent, acetic acid, deionized water and an adhesive aqueous solution. The prepared ink-jet recording material prepared through PVC material corona treatment, PVC substrate glue coating, drying, ink absorption layer coating and drying has the advantages that that the printed image is clear, the ink droplet does not diffuse, and the color is distributed uniformly; and the ink-jet recording material has excellent performances of color definition, color saturation, glossiness and the like. The raw material cost and the manufacture cost are low, so the ink-jet recording material is advantageous to industrial production, popularization and application.

The invention mainly discloses a preparation process for fine denier and superfine denier polypropylene fibers, which comprises the following steps of: adopting a spinning special material of which the melting point is between 165 and 175 DEG C; in a spinning device, extruding and melting the spinning special material by a single screw extruder, wherein a melt flows evenly; performing spinning through a round or abnormal spinneret orifice of a spinneret plate of a spinning box, wherein the spinning speed is 2,200 miters per minute; cooling and oiling tows; and then performing hot drawing and winding to finally obtain the fine denier and superfine denier polypropylene fibers of 0.5 to 2 deniers, wherein the hot drawing temperature is between 45 and 105 DEG C, the drawing multiple is 1.5 to 4 times, and the winding speed is 80 meters per minute for overfeeding. The preparation process is a nuisanceless, environment-friendly, energy-saving and innovative process, and the finally obtained product has the advantages of light in texture, high strength, good abrasion resistance and elastic resilience, small static electricity, small coefficient of heat conductivity and good electrical insulating property.

The invention discloses a high-temperature mended enamel composition and preparing method and application, which comprises the following parts: 80-89% basic enamel and 11-20% transparent fused block, wherein the high-temperature mended enamel composition and basic enamel possess similar buckling curve under sintering temperature.

The invention relates to a preparation method of a rosin modified phenolic resin. The method comprises the following three steps of reactions: 1. performing condensation of tert-butylphenol, bisphenol A, tung oil and solid formaldehyde under the action of catalyst magnesium acetate and lime to generate polymer of hydroxymethyl tert-butylphenol; 2. performing an addition reaction with rosin to generate an addition product; and 3. performing esterification of the addition product, pentaerythritol and glycerin under the action of catalyst zinc chloride to generate the rosin modified phenolic resin. The preparation method adopts proper raw material proportioning, reaction temperature, reaction time, catalyst and other technical conditions, thus during the production process, the resin viscosity can be effectively controlled, and the operation is simple and flexible and has good effect. The quality of the product is increased, the oil solubility of resin is good, the oil medium viscosity is high, the normal heptane capacity is 4.5ml/g or more; and the prepared paint film ink has good water resistance and alkali resistance, high hardness, excellent anti-after-binding performance, quick-drying performance, lightness and strong adhesive force. Therefore, the preparation method of the invention is applicable to industrial production.

The invention discloses a making technology of dried tangerine peel Fuzhuan tea containing eurotium cristatum, and belongs to the field of tea processing. The making technology comprises the following processing steps of raw material sorting, glaze decocting, glaze spraying, softening, spreading for cooling, pile fermenting, tangerine treating, tea containing, eurotium cristatum fermenting and drying. By means of the making technology, the effect of Fuzhuan tea is promoted through dried tangerine peel, the produced tea has both the cool and sweet taste of tangerines and the sweet and mellow taste of the Fuzhuan tea, the tangerines are filled with the Fuzhuan tea by adopting a novel structural form and making process, and the eurotium cristatum fermenting process is completed in the tangerines, so that not only is the complete structure of the dried tangerine peel kept, but also the effects of the Fuzhuan tea and the effects of the dried tangerine peel are effectively combined. According to the making technology of the dried tangerine peel Fuzhuan tea containing the eurotium cristatum, the complete structure of the dried tangerine peel is kept, the process of completing eurotium cristatum fermenting in the tangerines is achieved, the characteristics of the dried tangerine peel and the characteristics of the Fuzhuan tea are effectively integrated, and therefore the produced tea has the unique faint scent and the health care effect and is attractive in appearance and long in quality guarantee period.

The invention relates to a method of preparing ultrahigh molecular weight polyethylene fiber through gel spinning method. The method comprises the following steps: (1) preparing gel protofilament of ultrahigh molecular weight polyethylene; and (2) processing the gel protofilament through extracting, drying and hot drawing to obtain the ultrahigh molecular weight polyethylene fiber. The method is characterized in that the method also comprises the step of pre-drawing the gel protofilament obtained in the step (1) before the step (2), wherein the pre-drawing time is 2.2-24 times and the total hot drawing time in the step (2) is 30-45 times. The method of the invention can be used to obtain ultrahigh molecular weight polyethylene fiber product with low size and high breaking strength and the production cost is low.

The invention discloses a smashing and drying device for glass powder. The smashing and drying device comprises a base, a box body, a feeding barrel, air blowers and a pushing board. The feeding barrel is fixed at the top end of the box body through a support, and the top end of the feeding barrel is connected with an air inflow pipe; two parallel spiral rotary shafts with spiral blades are arranged in the feeding barrel, and one end of each spiral rotary shaft is connected with a corresponding adjustment and control motor; two ends of the feeding barrel are respectively provided with a feeding hopper and a discharging pipe which is located in the support; a magnet exciting coil is mounted on the outer side of the discharging pipe; mesh screens, conveyor belts and an insulation seat which is located below the conveyor belts are mounted in the box body; heating rods are arranged in the insulation seat; the air blowers are mounted in the base; filter screens are arranged in air outflow pipes of the top end of the box body. The smashing and drying device for the glass powder is simple in structure, easy to control and operate, high in smashing and drying speed, high in device treatment efficiency, good in drying effect and capable of relieving labor intensity, reducing equipment cost, recycling device energy and achieving the energy-saving purpose.

The invention discloses a method for preparing low-cost low-temperature cured conductive paste for screen printing. In the preparation method, base metal nickel (Ni) is used to replace part of used precious metal silver (Ag); nickel powder and silver powder form a conductive function phase of the conductive paste together, wherein the change of the adding proportion of the nickel powder not only can adjust the final electrical property, but also can adjust the printing performance of the paste well; the change of the adding proportion of an organic carrier can adjust the viscosity and the electric conductivity of a product; and the change of the adding proportion of a thickening agent can adjust the viscosity, the leveling property and the printing performance of the product. The quick drying and curing can be performed at a constant temperature of between 120 and 150 DEG C to form the product with good electrical property. The conductive paste of the invention adopts the base metal to replace partial precious metal silver, so the production cost is greatly reduced, and the performance reaches the level of high silver content.

The invention relates to the technical field of residual activated sludge minimization and specifically relates to a rapid drying method of residual activated sludge. The method provided by the invention comprises the following steps of: adding lime milk into collected residual activated sludge, making the residual activated sludge into a flowing slurry, allowing the slurry to stand overnight in a reaction tank, supplementing a loosener after water completely oozes from the residual activated sludge and parasite eggs inside the residual activated sludge, uniformly stirring the residual activated sludge to form koji shape, flatly spreading a thin layer of the residual activated sludge inside an air-drying box (chamber), stirring, ventilating, and continuously operating until the water content of the activated sludge is reduced to 30-40%. According to the invention, wind energy is fully utilized to replace heat energy to dry the activated sludge. The method provided by the invention has advantages of low energy consumption, high efficiency, less equipment investment and simple operation, and is suitable for large enterprises of large-scale intensive production.

The invention provides a supercritical extraction method of tea oil. The supercritical extraction method comprises the following steps: S1, pretreating raw materials: removing shells of tea seeds, and after the primary microwave drying and the secondary microwave drying, obtaining dried tea seed kernels; S2, preparing tea oil crude oil: cold squeezing the tea seed kernels, and filtering to obtain the tea oil crude oil; and S3, supercritical CO2 refining: sending the tea oil crude oil into a supercritical CO2 device, and after the primary extraction and the secondary extraction, collecting an extraction residual solution to obtain a finished product tea oil. The supercritical extraction method belongs to the technical field of the processing of the tea oil. By adopting the method, while the oil yield is increased, the occurrence of rancidity is reduced, impurities are removed, the loss of nutrients such as vitamin E is reduced, and the quality stability of the obtained tea oil is good.

The invention provides preserved green plum food without additives and a making method thereof and belongs to the technical field of food processing.The preserved green plum food comprises 600-1200 parts of preserved green plum, 5-30 parts of aloe vera gel powder, 1-20 parts of green tea powder, 5-50 parts of folium mori powder and 1-10 parts of bunge cherry seed powder.The preserved green plum food is good in plumpness and good in taste and has healthcare effects of appetizing and tonifying the spleen and improving the intestines and stomach.

The invention provides an aztreonam anhydrous crystal compound. An X-ray diffractive map comprises the following X-ray diffractive peaks: 18.2 degrees +/- 0.2 degree, 24.0degrees +/- 0.2 degree, 9.1 degrees +/- 0.2 degree, 4.1 degrees +/- 0.2 degree and 17.2 degrees +/- 0.2 degree disclosed by 2 theta angles. The invention also provides a method for preparing the aztreonam anhydrous crystal compound. The aztreonam anhydrous crystal compound has a sharp outline, can be perfectly reappeared, has powder flowbility, intrinsic dissolution rate, solid stability, and the like which are obviously better than that of the traditional aztreonam crystal compound and can be prepared into a medical composition for treating various types of infection caused by sensitive oxybiontic gram-negative bacteria.

A distributed type microwave heating and drying control device comprises a temperature sensor used for measuring the temperature of materials and further comprises a microwave power meter, a CAN bus, a PID controller based on a neural network and a microwave executing unit based on the neural network, wherein the microwave power meter is used for measuring the microwave refection power, and the CAN bus is used for transmitting temperature data, microwave refection power data and the numerical value of the microwave output power. Temperature signals collected by the temperature sensor and reflection power signals collected by the microwave power meter are sent to the CAN bus, the PID controller based on the neural network obtains the corresponding temperature and the corresponding reflection power from the CAN bus and takes the corresponding temperature and the corresponding reflection power as input of the PID controller, the numerical value, processed through an algorithm, of the microwave output power is sent to the corresponding microwave output executing unit, and the microwave output executing unit receives the numerical value of the microwave output power and outputs microwaves with the corresponding power. According to the device, the output power is adjusted in real time according to changes of the temperature of a load, and therefore the heating process or the drying process is made to be safe, efficient and rapid, and the aim of saving energy is achieved.

The invention relates to a polyurethane-based aqueous dual-component polyurethane paint system and a use thereof. The composition contains an aqueous dispersion containing one or more OH functional group-containing compounds, and one or more hydrophobic or hydrophilic modified polyisocyanates, wherein a glass-transition temperature of the aqueous dispersion containing one or more OH functional group-containing compounds is higher than 20 DEG C. Compared with the existing paint system, the aqueous dual-component polyurethane paint system has excellent chemical reagent resistance and a fast drying rate.

The invention discloses a solar panel cleaning device. The solar panel cleaning device comprises a housing, the right half of the housing is provided with a cleaning mechanism, the cleaning mechanismcomprises a cleaning cavity located in the lower side of the housing with a downward opening, the middle of the cleaning cavity is provided with a rotary brush plate, the lower end surface of the brush plate is fixed with a brush, and the front and rear sides of the cleaning cavity are symmetrically provided with water storage cavities. According to the solar panel cleaning device, the cleaned surface is subject to water scraping treatment through a water scraping plate, at the same time, the cleaned surface is wiped with an absorbent cloth, first drying treatment on the surface of a solar panel is completed, and then the wind of a fan is supplied and heated, hot air is blown to the surface of the solar panel for secondary drying, fast cleaning and drying to the solar panel is facilitated,at the same time, dust is prevented from falling on the surface of the wet solar panel, the hot spot effect generated by incomplete cleaning caused by part factors after cleaning is effectively prevented.

The invention discloses a preparation method of a knitted fabric with moisture absorption and sweat releasing and continuous cool feeling functions. According to the preparation method, chemically andphysically modified polyester filaments are taken as raw materials, a weaving process and a dyeing and finishing process are adopted, and the knitted fabric is designed into a honeycomb or mesh double-sided tissue structure; and a printing paste is prepared by adopting a cool feeling finishing agent with strong cooling effect and water washing resistance, and the printing paste is transferred tothe fabric in a printing mode. The preparation method has the beneficial effects that by testing the basic performance, the burst strength, the color fastness, the moisture absorption quick-drying performance and the moisture absorption and cool feeling performance of the knitted fabric, the result shows that the knitted fabric has excellent moisture absorption and quick-drying performance, and iscapable of effectively relieving discomfort and wet cold feeling of people caused by damp sweat; and moreover, the knitted fabric also has excellent moisture absorption and cooling performance, and all performances meet standard values.

The invention discloses heat-resisting and thermal-insulation cement infrastructure mortar. The mortar is prepared from the following raw materials in parts by weight: 50 to 70 parts of cementing material, 10 to 20 parts of heat-resisting and thermal-insulation aggregate, 0.5 to 1.5 parts of lignosulphonate water reducer, 1 to 3 parts of corrosion inhibitor, 2 to 4 parts of preservative, 0.3 to 0.5 part of polyacrylate emulsion and 0.3 to 0.5 part of low viscosity cellulose ether. The cementing material is prepared from the following raw materials in parts by weight: 30 to 50 parts of Portlandcement, 5 to 10 parts of aluminoferic cement clinker, 5 to 15 parts of active mineral admixture, 0.2 to 0.4 part of compound activator. The heat-resisting and thermal-insulation aggregate is preparedfrom the following raw materials in parts by weight: 100 to 120 parts of quartz sand, 8 to 10 parts of brucite fiber, 8 to 10 parts of polypropylene fiber and 40 to 60 parts of steel slag micropowder. A product of the heat-resisting and thermal-insulation cement infrastructure mortar disclosed by the invention has the advantages of excellent water resistance, waterproofness, impermeability, thermal-insulation property, chemical resistance, heat resistance, weather resistance, high strength and strong adhesive force.

The invention discloses a feed grain drying machine convenient to operate and easy in temperature control. The feed grain drying machine comprises a drying box, a hot-air blower and a PLC controller, wherein a temperature controller is mounted inside the inner cavity of the drying box; a heating device is mounted on the left side of the bottom of the inner cavity of the drying box; a heating tube is communicated with the air outlet of the heating device; the air outlet of the hot-air blower is communicated with the heating tube and the air outlet of the heating device through pipelines respectively; an air outlet tube is communicated with the right side wall of the drying box; a filtering device is mounted at the air inlet of the hot-air blower; a drying conveying device is mounted inside the drying box; the drying conveying device comprises a rotating shaft, a convex ring disc, a connecting rod and a concave ring disc; a variable frequency motor is mounted on the top of the drying box. The feed grain drying machine convenient to operate and easy in temperature control has the advantages of simplicity in operation, rapid temperature control, high drying efficiency, energy conservation and the like, and is applicable to large-scale popularization.

The invention discloses a novel stomatological-department instrument disinfection cabinet. The instrument disinfection cabinet structurally comprises a disinfection protection top cover, an indicationlamp, an adjusting vent hole, a side protection side frame, a control switch, an exhausting and draining device, a tank door protection side frame, a support base, a front-mounted protection shell, atank door handle switch, a protection tank door, a control panel, a display panel and an upper protection limiting plate, wherein the lower end of the adjusting vent hole is arranged on the front side of the upper end of the disinfection protection top cover, and the lower ends of the left and right ends of the disinfection protection top cover are welded to the upper end of the side protection side frame. The novel stomatological-department instrument disinfection cabinet has the beneficial effects that by adding the exhausting and draining device on the cabinet, during disinfection of the stomatological-department instrument, when the stomatological-department instrument is washed or flushed, the airing and drying of instruments can be accelerated, so that the disinfection of the stomatological-department instruments can be rapidly carried out, the practicability of the equipment is high, and the disinfection efficiency of the instruments is improved; and the disinfection cabinet isrelatively practical.

The invention discloses a portable cushion plate for vehicle maintenance, and relates to the technical field of vehicle maintenance. The portable cushion plate for vehicle maintenance comprises a cushion plate body and a cylinder; an oil collecting chamber is formed in the cushion plate body; one surface of the oil collecting chamber is fixedly connected with a first driving chamber; one surface of the first driving chamber is fixedly connected with an oil pump; an oil inlet of the oil pump communicates with a hose; one surface of the first driving chamber is fixedly connected with an automatic extension pipe winder; one surface of the automatic extension pipe winder communicates with the hose; one end of the hose is fixedly connected with an oil collecting hopper; and one surface of the oil collecting hopper is movably connected with one surface of the oil collecting chamber. Through a waste oil collecting device, waste oil generated by vehicle repair is collected into the oil collecting chamber for reuse, so that the problem of water pollution caused by dripping of traditional vehicle repair waste oil on maintainer bodies or the ground is solved; a driving device is arranged outof the cushion plate body, so that the cushion plate body automatically moves on the ground; and through a positioned cleaning device, the part, needing repair, of a vehicle chassis is quickly cleanedand dried.

The invention discloses a poria cocos formula particle boiling drying process online quality control device and method. Poria cocos formula wet particles are prepared, a control system collects a near infrared spectrum of the wet particles through an optical fiber probe, the data is inputted to a calibration model, moisture content information of the wet particles is calculated, and the moisture content information is fed back to a quality control program of the control system; when the collected information shows that the moisture content reaches a target value, the control system allows a boiling dryer to stop drying, and discharging is carried out. Through the way, the near infrared online detecting technology is applied in the boiling drying process of the poria cocos formula particles, the detection time needs only a few seconds, the detection time can be saved, the status that the boiling drying process has no on-line detection is changed, online detection of the moisture and quick judgment of a drying terminal point in the drying process are achieved, the quality control level of the traditional Chinese medicine formula particle boiling drying process is facilitated to be improved, and the uniformity and the stability of the product quality are fully guaranteed.