61results about How to "Short drying cycle" patented technology

The invention relates to a method for preparing zirconium oxide ceramic, which comprises the following steps of: preparing high solid phase slurry by adopting low-toxicity gel and dispersant, then adding an initiator, performing vacuum deaeration, injecting the slurry into a mold, curing and stripping to obtain a green body, and drying and sintering the green body to obtain the ceramic. The method is used for preparing the green body which has good surface finishment, peeling resistance, cracking resistance, good uniformity and high strength, the strength of the green body is 20 to 40MPa, andthe green body can be directly machined so as to effectively reduce the subsequent processing cost; and the green body can be sintered into the ceramic at one time, the yield reaches 100 percent, theceramic has excellent performance and good stability, the strength is 800 to 1,200MPa, the fracture toughness is 10 to 20MPa.m1/2, the average strength is 550MPa compared with the strength of the drypressing molded ceramic, the average fracture toughness is 8MPa.m1/2, and the performance of the ceramic is greatly improved.

The invention relates to a coal ash-based mullite light heat-insulation brick and a preparation method thereof. According to the adopted technical scheme, the preparation method comprises the steps of: firstly, preparing 50-90wt% of coal ash and 10-50wt% of alumina serving as raw materials, adding 0.5-5.0wt% of swelling agent, 25-60wt% of water and 0.1-1.0wt% of water reducer relative to the raw materials, mixing 3-15min to obtain pug; then adding foam made by 0.5-2.0wt% of foaming agent relative to the raw materials, uniformly stirring, adding 1-5wt% of gel, 0.1-1.0wt% of thermosetting resin and 1-3wt% of curing agent relative to the raw materials, stirring 3-15min, moulding by casting, naturally drying for 3-10h, demoulding, baking for 12-24h at a temperature of 60-120 DEG C; and finally, preserving the heat for 3-12h at a temperature of 1150-1550 DEG C to obtain the coal ash-based mullite light heat-insulation brick. The preparation method has the characteristics of resource saving, environment friendliness, short demoulding time, short drying period and suitability for large-scale industrial production; and the coal ash-based mullite light heat-insulation brick has the advantages of high strength, low volume density and low heat conductivity coefficient.

The invention relates to a high-strength aluminum oxide light-weight heat insulation brick and a preparation method thereof. The technical scheme is as follows: the preparation method comprises the following steps: premixing 25-40 wt% of alpha-Al2O3 fine powder with the particle size of 0.074-0.147mm, 25-40 wt% of alpha-Al2O3 fine powder with the particle size of 0.043-0.074mm, 10-15 wt% of alpha-Al2O3 fine powder with the particle size of less than 0.043mm, 10-15 wt% of alpha-Al2O3 micropowder, 3-10 wt% of rho-Al2O3 micropowder and 2-10 wt% of three-stone used as raw materials with combustion improver (accounting for 0.1-1 wt% of the raw materials), water (accounting for 20-35wt% of the raw materials) and water reducing agent (accounting for 0.1-0.7 wt% of the raw materials) for 5-10 minutes to obtain a premix; and adding foam into the premix, evenly mixing, carrying out casting molding and microwave drying, and keeping the temperature of 1450-1750 DEG C for 3-6 hours to obtain the high-strength aluminum oxide light-weight heat insulation brick. The invention has the characteristics of simple technique and energy conservation. The product has the characteristics of high strength, small linear variation rate, low volume density, low heat conductivity coefficient and short drying cycle.

The invention discloses a wood drying remote monitoring system based on a DSP (digital signal processor), which relates to a wood drying remote monitoring system and solves problems of low drying efficiency and complication in operation of an existing wood drying remote monitoring system. The wood drying remote monitoring system comprises a remote server, a monitoring host and a field controller. The monitoring host and the field controller are in data transmission by a serial bus, the monitoring host and the remote server are in data transmission via an Internet according to the TCP (transmission control protocol), and the field controller can run independently, can also receive various commands from the remote server and the monitoring host via a network bus and the serial bus and feeds data back to the monitoring host after the commands are executed. The wood drying remote monitoring system is applicable to automatic wood drying places with middle and large-size drying kilns.

The invention discloses a method for processing thunberg fritillary bulb, which comprises the following steps of: cleaning the picked fresh thunberg fritillary bulb; airing the surface of the thunberg fritillary bulb; slicing the aired thunberg fritillary bulb; performing microwave drying on the sliced thunberg fritillary bulb by adopting microwave drying equipment; spreading the thunberg fritillary bulb subjected to microwave drying; drying the thunberg fritillary bulb which is spread for a certain period of time in a drying oven; cooling the dried thunberg fritillary bulb to normal temperature; and performing vacuum packaging. The method for processing the thunberg fritillary bulb has the advantages of no toxin or pollution, capacity of maintaining original flavor of the thunberg fritillary bulb without consuming plenty of water for soaking, capacity of maintaining nutrient components of the thunberg fritillary bulb to the greatest degree, complete dryness, long quality guarantee period, difficult deterioration, and short production cycle.

The invention belongs to the technical field of refractory materials, and particularly relates to a mullite micro-nano pore heat insulation refractory material and a preparation method thereof. The heat-insulating refractory material is mainly prepared from a base material, an additive and water, and the preparation process is green, environment-friendly, pollution-free, simple and easy to control. The main crystalline phase of the heat insulation refractory material is large-size needle-shaped and columnar mullite. The appearance of the product is white or faint yellow, the pore size distribution of pores is 0.006-200 [mu] m, the average pore size is 0.1-19 [mu] m, and the closed spherical micro-nano pore structure ensures that the product has better heat insulation performance under the conditions of lower volume density and high strength. By regulating and controlling the use amount of each raw material and the process, the finally prepared heat-insulating refractory material can meet the requirements of low heat conductivity and light weight, and also has better mechanical properties.

The present invention provides a method of preparing crisp strawberry snacks using a soaking pretreatment and a vacuum microwave combined freeze drying. Strawberries are washed and drained, the drained strawberries are subjected to an ultrasonic vacuum soaking in a mixed soaking liquid, then the soaked strawberries are subjected to a high-power instant vacuum microwave pre-puffing and pre-dehydrating treatment, and vacuum freeze-drying, etc. are conducted. The high-power instant vacuum microwave pre-puffing and pre-dehydrating treatment after the pretreatment is combined with the freeze-drying, and the method can significantly improve hardness and crispiness of the strawberry products after the drying, at the same time retains nutritional contents of the products, shortens the drying time and improves quality of the products.

The invention discloses a multifunctional fulling and softening finishing machine which comprises a box body, wherein a stainless steel roller is arranged in the box body and can be rotated with high speed under the driving of a driving device, air holes are evenly arranged on the wall of the roller, an impact plate is arranged at the rear of the roller, and a major trough for containing lotion is arranged below the roller; the roller is also provided with an airflow circulating device which can suck air from the inner side of the roller and then jet airflow onto the outer surface of the roller through a circulating pipeline from an air return port above the roller, wherein the width of the air return port is equivalent to that of the roller; and a fan is arranged on the circuiting pipeline. The invention solves the difficult problems of washing and softening treatments, and the like of light weight fabrics and knitted fabrics, such as cotton, hemp, wool, silk, chemical fiber and other materials, improves the treatment efficiency on the posttreatment process of fulling, softening, drying, and the like of fabrics and reduces the treatment cost and the environment pollution.

The invention belongs to the field of refractory materials, and particularly relates to an anorthite micro-nano pore heat insulation refractory material and a preparation method thereof. The anorthite micro-nano pore heat insulation refractory material is mainly prepared from a basic raw material, an additive and water. The anorthite micro-nano pore heat insulation refractory material is white, faint yellow or yellow in appearance, the principal crystalline phase of the product is anorthite, the mass content of CaO in the chemical composition is 4-22 wt%, the pore size distribution is 0.006-250 [mu] m, the average pore size is 0.1-19 [mu] m, and the pore structure of the micro-nano size ensures that the product has better heat insulation performance under the conditions of low volume density and high strength. The preparation method is green, environment-friendly and pollution-free, and the structure and performance of the product are easy to accurately regulate and control.

The invention relates to the manufacturing field of a nonlinear resistor plate and in particular discloses a method for preparing an additive for a zinc oxide resistor plate; the additive comprises the following compositions: 12 to 16 mol percent of Bi2O3, 21 to 26 mol percent of Sb2O3, 10 to 13 mol percent of Mn2CO3, 10 to 13 mol percent of Cr2O3, 10 to 13 mol percent of Co2O3 and 23 to 32 mol percent of SiO2; firstly, according to the mixture ratio, the compositions are weighed and used as raw materials; water, the weight of which is 1 to 1.5 times that of the raw materials is added and subjected to primary ball milling; the average particle diameter of the particles of a sizing agent is controlled to be 1 micron; secondly, the particles are dried in a pressure-type spray drying tower; the spray pressure is between 1.3 and 1.5 megapascal; the temperature of an inlet is between 250 and 380 DEG C; the temperature of an outlet is between 100 and 130 DEG C; thirdly, the particles are put into a calcining furnace; the room temperature rises to 200 DEG C within one hour and risen to 800 DEG C in a mode of rising 100 DEG C per 0.5 hour and keeping the temperature for 0.5 hour; the temperature rises form 800 DEG C to 830 DEG C for 0.5 hour and is kept for 40 minutes; the particles are cooled in the furnace; and finally the particles are crushed, sieved and subjected to secondary ball milling.

The invention is a traditional Chinese extract drying method for preparing a drug for curing osteoporosis, which comprises the following steps of drying extract obtained by prescribing and extracting through a micro-wave vacuum drying sterilizer, spreading extract in a baking plate according to 3-5kg per baking plate, and drying under the conditions that the material temperature of the micro-wave vacuum drying sterilizer is set as 80-100 DEG C, the running time is 80-120min, and the vacuum degree is controlled at minus 0.08-minus 0.09MPa. The dried extract obtained by the method can effectively overcome the defects of decomposed thermal sensitivity component, reduced effective component content, high labor intensity, large thermal quantity consumption, lower thermal efficiency, hardened caked masses of materials, difficult crushing and the like caused by long-time high-temperature baking in vacuum tank drying method; the dried extract has the advantages of maintained fragrance of medicinal materials, moderate color, loose texture, easy crushing, low moisture, convenient preparation processing and product storage, good dissolubility in water and alcohol, less insoluble impurities, high content of effective components and good product quality.

The invention discloses a camellia drying device which comprises a box body. A filter steel wire screen is fixedly arranged in the box body through a pair of vibrators. A pair of heating bars is arranged on the inner wall of the box body. A temperature controller is further arranged on the top end face of the box body. A temperature control probe is arranged on the temperature controller and extends into the box body. The camellia drying device is good in drying effect, short in drying cycle and capable of having an effect sterilization effect, and the health degree of the drink containing camellia is high.

The invention discloses low-sugar candied radix asparagi and a preparation method thereof. The preparation method comprises the following steps that fresh radix asparagi is taken as a raw material, and cleaning, enzymolysis, freezing, blanching, hardening, color protection, vacuum sugar permeability, vacuum drying and the like are carried out; enzymolysis is carried out on radix asparagi peel by using a small amount of compound enzyme preparation, through short-time freezing treatment, the radix asparagi is taken out for short-time boiling water blanching or steam treatment, then the radix asparagi is taken out, quickly cooled, peeled, hardened and subjected to protecting color, sugar liquid is prepared for vacuum sugar permeability, vacuumizing is carried out first, sucrose proportioningliquid with the concentration of less than or equal to 40% is injected, treating is carried out for 30 minutes at the vacuum degree of 0.07-0.095 MPa and the temperature of 80-90 DEG C, and soaking iscarried out for 4-6h at normal pressure and temperature; and in order to improve the permeation and filling effects of the sugar liquid, a composite filling agent is added, then drying is carried out, so that the low-sugar candied radix asparagi with the sugar content of 36%-40% is finally prepared, the high-sugar characteristic of the original traditional candied radix asparagi is improved, thecolor is smooth, the mouthfeel quality is good, and the character, unique flavor and nutritional ingredients of original radix asparagi are preserved to the maximum extent.

The present invention discloses a moringa oleifera leaf drying method. The method comprises the following steps: (1) fresh moringa oleifera leaves are sent into a material distributing bin of a microwave drying device to conduct mechanical material distribution, and the moringa oleifera leaves are spread horizontally on a conveyor belt of the microwave drying device; (2) the distributed moringa oleifera leaves are transferred into a microwave cavity of the microwave drying device, the microwave is used to conduct drying, and at the same time, a dehumidifier is used to discharge moisture in the cavity of the microwave drying device; and until the moringa oleifera leaves are dried into a water content of 0.5%-3%, and the materials can be discharged at a material discharge temperature of 45-55 DEG C; and (3) the treated moringa oleifera leaves by the step (2) are sent into an ultrafine crusher to conduct crushing, and then the crushed materials are inspected and the inspected materials are packaged to obtain dried moringa oleifera leaf finished products. The drying method is short in time, simple in processes and high in efficiency. The dried moringa oleifera leaf finished products have basically unchanged color, are pure in color and luster, and less in nutritional active ingredient damage, and the obtained moringa oleifera leaf powder is high in nutritional quality.

The invention discloses a ceramic sanitary ware production equipment with a fast drainage system, comprising: an openable and closable mold assembly, a grouting system, a lifting mechanism and a fast drainage system. The grouting space can be injected into the grouting space when the mold is closed; the lifting mechanism is connected with the mold assembly to drive at least one mold in the mold assembly to move to complete the mold closing and demoulding; the fast drainage system includes an air supply system and a An air supply pipe group connected to the air supply system, the outlet of the air supply pipe group is located in the body of at least one mold in the mold assembly. The ceramic sanitary ware production equipment with a fast drainage system according to an embodiment of the present invention includes a fast drainage system, and the air supply pipe group of the fast drainage system can blow air into the body of the mold assembly, which can speed up the drainage of the mold assembly and reduce the number of molds. The drying time of the components can thus be shortened, the grouting cycle can be shortened, the production efficiency can be improved, and the production cost can be reduced.

The invention discloses a coal slime drying system using electric power plant low-grade steam and solar energy. The system comprises coal slime conveying equipment used for conveying to-be-dried wet coal slime, a solar greenhouse used for providing coal slime drying and solar irradiation, a coal slime turning machine used for paving, turning throw, conveying and cutting the coal slime into fine coal slime particles, dried coal slime conveying equipment used for conveying dried coal slime, an electric power plant thermodynamic system used for proving low-grade steam, and a floor heating device used for absorbing the heat energy of the low-grade steam to supply heat energy required by coal slime drying. The invention also provides a coal slime drying method using electric power plant low-grade steam and solar energy. The method has the advantages of high system transparency, good environment coordination, stable and sate operation, low operation maintenance cost, energy source saving and the like.

The invention discloses a novel positive pole material drying device of a power lithium battery. The novel positive pole material drying device comprises a device body, microwave emitters and a dehumidifier, wherein a feeding hopper is arranged at the upper end of the device body and is used for adding a positive pole material to be dried into the device body; the right side wall of the device body is provided with a first discharge port and a second discharge port; the number of the microwave emitters is two, the two microwave emitters are arranged on the top wall and the bottom surface of the device body respectively, and the microwave emitters can emit microwaves to carry out microwave drying on the material in the device body; and the dehumidifier is further arranged in the device body, and the dehumidifier is used for dehumidifying the device body. According to the novel positive pole material drying device of the power lithium battery, the microwave emitters, a sieve plate and the dehumidifier are arranged, and the positive pole material is dried in a microwave drying mode, so that materials with different sizes can be separately dried by the sieve plate, the drying efficiency is greatly improved by arranging the dehumidifier, the drying speed is high, the drying period is short, and the energy consumption is reduced.

The invention discloses a novel drying room and relates to the technical field of drying mechanisms. A separation plate is arranged between a hot room and a cold room. A control electric box is installed on the side wall of the cold room. A dehumidification pipeline and a wind inlet pipeline are connected in the hot room in a penetrating mode and are both connected with a heat cycle converter. A control damper is installed on the heat cycle converter. A high-speed centrifugal fan is installed on an exhaust outlet of the heat cycle converter. A humidity removing pipeline is installed on the high-speed centrifugal fan. An auxiliary machine and a high-speed high-temperature fan are installed in the hot room. A high-speed high-temperature fan, a main machine and a dehumidification unit are installed in the cold room. The novel drying room provided by the invention integrates high-temperature drying and low-temperature drying, the temperature is uniform, the drying period is short, the drying efficiency is high, the quality of a dried product is high, energy consumption is low, and production cost is low.

The invention discloses a drier for industrial paint. The drier is characterized by being composed of the following components in parts by weight: 5 to 12 parts of polyoxyethylene, 1 to 7 parts of polyoxypropylene, 1 to 5 parts of manganese carbonate, 1 to 2 parts of glycerol, 10 to 20 parts of ethanol, 5 to 10 parts of lead oxide, and 1 to 2 parts of copper hydroxide. The drier has the advantages that the catalytic efficiency is high under a normal pressure at a room temperature, and the drying period is short.

The invention belongs to the technical field of organic chemical drying and discloses a method and a system for drying wet polytetrafluoroethylene dispersion resin particles. A drying device, a decontaminating device, a low-temperature air cooling device and hermetical packaging device are connected through a mesh belt conveying device to form a tunnel type continuous processing cyclic conveying loop to orderly and effectively complete procedures of wet feeding, microwave drying, microwave superheat steam drying and decontaminating, cooling and hermetical packaging of polytetrafluoroethylene dispersion resin particles, and consequently high-quality polytetrafluoroethylene dispersion resin particles low in moisture content and impurity residue and free of caking and fiberizing are produced while environmental influences are effectively avoided. In addition, the method and the system are short in material drying period, high in drying system efficiency, easy in automatic feedback control and suitable for large-scale industrial production.