12results about How to "Fully volatile" patented technology

The present application relates to the technical field of edible salt, and particularly relates to a green edible salt production process. Technical problems are as follows: the existing technology causes the caking problem of edible salt in the production, transportation, storage and use process due to the zero addition of anti-caking agent. A technical solution is as follows: a green edible salt production process comprises the following steps: A: secondary cooling of finished salt before packaging; the finished salt is sent into a secondary cooler after coming out of a self-made salt device dryer, and the temperature of the finished salt is reduced to close to room temperature through circulating desalted water; B: screening of the finished salt particles cooled in step A, and selection of the oversize material with relatively large particle size and not easy to caking; C: addition of iodine agent into the finished salt cooled and screened in step B; D: storage of the finished salt in step C for a period of time before packaging; E: packaging by using a packaging material with strong blocking property and good sealing performance.

The utility model discloses process equipment for preparing amorphous polyaryletherketone carbon fiber prepreg by a solution method, which comprises a microwave solvent removing device which comprises a solvent removing cavity and a plurality of groups of glue scraping rollers arranged in the solvent removing cavity, the multiple sets of glue scraping rollers are sequentially arranged in the solvent removing cavity in the conveying direction of the carbon fibers, and the height of the glue scraping roller close to an inlet of the solvent removing cavity in the vertical direction is larger than or equal to the height of the adjacent glue scraping roller close to an outlet of the solvent removing cavity in the vertical direction. A plurality of groups of glue scraping rollers are designed at the same time, so that the retention time of the prepreg in the microwave solvent removing device is controllable, a solvent is fully volatilized, the height of the glue scraping rollers in the vertical direction is limited, redundant resin on the prepreg flows and is enriched, certain pressure is applied through the glue scraping rollers, the redundant resin is removed, the resin content is controllable, and the resin content is improved. Meanwhile, the combination with fibers is tighter, and the quality of the prepreg is obviously improved.

The invention discloses a temperature control method for processing graphite by using double plasma sources, and relates to the technical field of plasma material processing, in particular to a temperature control method for processing graphite by using double plasma sources, which comprises the following steps: adopting a cylindrical reactor, and arranging a plasma source I and a plasma source II up and down along the axial direction on two sides of the cylindrical reactor, and an outlet of the powder feeding mechanism directly faces a core high-temperature area of the plasma source I, so that graphite powder directly enters a heating area. The two sources are connected in series up and down to construct a continuous relay type high-temperature path. The center distance between the powder feeding port and the source I is limited not to exceed half of the outlet diameter of the reactor, the center distance between the two sources is 1-2.5 times of the outlet diameter, and the center distance between the source II and the outlet is larger than 5 times of the diameter; the flow of the second source is 1.2-1.8 times that of the first source, the temperature of the core area is maintained to be 8000-10000 K by adjusting the flow ratio, and the total power does not exceed 100 kilowatts. The total retention time of the graphite powder in a two-source high-temperature area is longer than 0.2 second, the diameter of an outlet of the reactor is 100-400 mm, the reactor is made of high-temperature-resistant stainless steel or graphite, and accurate control over the graphite treatment temperature is achieved.

The utility model relates to an efficient ventilation soil ecology restoration device which comprises a restoration box body, a ventilation assembly is arranged in the restoration box body, the ventilation assembly comprises an inner cylinder, an air blower, a hydraulic rod, an air duct and a filter box, the inner cylinder is fixed in the restoration box body, and a ventilation net is arranged on the outer wall of the bottom of the inner cylinder. The air blower is fixedly arranged on the outer wall of the repairing box body, the inner wall of the inner cylinder is sequentially and fixedly provided with a blocking base and a material distributing cone from top to bottom, and a discharging hole is formed in the center of the blocking base. The baffle can move to shield the discharging hole, intermittent discharging can be achieved, meanwhile, the baffle is used in cooperation with the material distribution cone, a thin layer of heated soil can fall down along the ventilation net and make contact with air blown by an air blower, harmful volatile pollutants in the heated soil can be fully volatilized and separated from the soil, and therefore the soil quality is improved. Efficient ventilation is achieved, and the soil ecological restoration effect can be better.

This application relates to the field of flexible electronics technology, specifically to an ultrathin flexible electronic conductor material and its preparation method. The preparation method of the ultrathin flexible electronic conductor material is as follows: (1) adding conductive filler, dispersant and binder to deionized water, ultrasonically dispersing to obtain a conductive slurry, coating the conductive slurry on the surface of a flexible substrate layer, and drying and curing to obtain a flexible substrate layer with a conductive functional layer; (2) preparing a polyethylene terephthalate solution, coating the polyethylene terephthalate solution on the surface of the conductive functional layer, and curing to obtain the ultrathin flexible electronic conductor material. This ultrathin flexible electronic conductor material has low sheet resistance, high conductivity stability, excellent bending resistance and solvent resistance, and significantly improved tensile strength and elongation at break, exhibiting excellent mechanical properties, making it suitable for long-term reliable application of flexible electronic devices.

The invention discloses a preparation method for coating one side of glass fabric with polytetrafluoroethylene by a vertical gluing machine, and belongs to the field of manufacturing of bonding sheets in copper-clad lamins.The preparation method comprises the steps that firstly, the glass fabric is installed on a rolling device, and tension is adjusted through a fabric storage mechanism; then, a vertical three-roller precise transfer coating system is used for quantitatively coating the PTFE slurry with the controlled viscosity in a constant-temperature glue storage tank on the cloth surface in a single face mode, and the non-coating face is synchronously gelatinized; the coated cloth enters a six-section type vertical drying oven to be subjected to stepped curing, pre-drying, high-temperature melting, crystallization curing and gradient cooling are conducted in sequence, the temperature of the high-temperature section reaches 380-385 DEG C, and a double-layer air curtain is arranged on the non-coated side for isolation; and finally, cooling to 50-80 DEG C, and rolling. The tension is controlled within the range of 5-15 N / cm through a sectional type vertical tension control system in the whole process. According to the method, single-face accurate coating is achieved, the problems of slurry waste, poor uniformity, many defects, unstable size and the like of a traditional horizontal process are solved, and the product performance is excellent.

This invention discloses a pressure calcination process for producing high-purity graphite, relating to the field of graphite production technology, including the following steps: S1, mixing graphite raw materials with a binder; S2, placing the graphite raw materials containing the binder into a mold on a placement platform, and then placing the placement platform and the mold together into a calcination furnace; This invention uses a designed flipping mechanism to drive the mold to flip, realizing the exchange of positions between the upper and lower layers of graphite raw materials, allowing the previously underheated bottom raw materials to directly receive infrared radiation from the resistance wire, eliminating temperature gradients, improving calcination uniformity, and simultaneously working with a transparent pressure plate to compact and flatten the graphite raw materials in the mold before and after flipping, ensuring uniform heating for more complete carbonization of the binder, resulting in consistent density of the green body, and promoting the full volatilization of impurities in various areas of the raw materials, laying the foundation for subsequent graphitization, and improving the purity and quality stability of high-purity graphite products.

The utility model provides a cupboard with a disinfection function, which relates to the technical field of cupboards, and comprises a cupboard body, a plurality of partition plates are arranged in the cupboard body, a plurality of cupboard doors are arranged at the front end of the cupboard body, a disinfection mechanism is arranged between the partition plates and the cupboard body, the disinfection mechanism comprises a movable groove, and the movable groove is arranged in the cupboard body. The movable grooves are formed in the two ends of the interior of the partition plate in a penetrating mode correspondingly. The disinfection mechanism is arranged in the cabinet body, the fan runs to enable gas in the cabinet body to flow, and meanwhile, the gas pushes the fins to drive the rotating drum to rotate, so that the rotating drum drives the storage drum to rotate, and the deodorization block, the sterilization block, the drying block and the disinsection block in the storage drum are promoted to be fully volatilized and absorbed; bacteria can be effectively killed, peculiar smell can be removed, air can be dried, insect pests can be prevented, the sanitary environment in the cabinet can be comprehensively guaranteed, and the quality and the service life of stored articles can be guaranteed.

The utility model discloses a device for thermal desorption of petroleum hydrocarbon contaminated soil, which comprises a conveying bracket A. The end part of the conveying bracket A is provided with a closed conveying box A for conveying the petroleum hydrocarbon contaminated soil in a negative-pressure closed space for thermal desorption; the bottom of the conveying tail end of the closed conveying box A is provided with a closed conveying box B which forms step conveying with the closed conveying box A. A high-temperature air pipe used for conducting thermal desorption on petroleum hydrocarbon contaminated soil conveyed in the closed space is arranged on the closed conveying box A and the closed conveying box B in a penetrating mode. According to the utility model, the stepped closed conveying boxes A and B are matched with the straight chain conveying line, so that stepped thermal desorption conveying of soil is realized, and the retention time of the soil in the device is prolonged. Meanwhile, the Z-shaped high-temperature gas pipe is matched with the horn-shaped gas outlet pipe and the gas heater, so that hot gas is in all-dimensional and uniform contact with the soil, petroleum hydrocarbon pollutants in the soil are ensured to be fully volatilized or decomposed, and the thermal desorption efficiency and effect are remarkably improved.

The invention discloses a perovskite solar cell and a preparation method thereof, and a photovoltaic module. The preparation method of the perovskite solar cell comprises the following steps: providing a perovskite cell substrate; the method for preparing the electrode on the perovskite cell substrate comprises the following steps of: printing electrode slurry on the perovskite cell substrate to form an electrode slurry layer with a grid line pattern; and selectively scanning the area where the grid line pattern is located by adopting first laser with the energy density of 0.05 J / cm < 2 >-0.8 J / cm < 2 > to obtain the electrode. According to the application, the compatibility between the metallized electrode preparation process and the temperature-sensitive perovskite layer can be effectively improved, so that the thermal influence on the perovskite layer is reduced while the electrode quality is improved, and finally the photoelectric conversion efficiency of the solar cell is effectively improved.

The utility model relates to the technical field of planting, and discloses a planting land soil loosening and crushing composite device which comprises a crushing assembly, the crushing assembly is used for crushing soil and comprises a base, transmission wheels, a plough block, a soil covering block and a soil pressing block, the transmission wheels are symmetrically arranged on the base and rotationally connected with the base, and the plough block is arranged on the base. The plough block array is arranged on the base, the soil covering block array is arranged on the base, the soil pressing block and the soil covering block are lifted in a sliding mode, the soil pressing block extrudes and crushes the soil blocks in the lifting process, and it is avoided that the turned soil blocks are hardened, and subsequent covering and air permeability of wheat seeds are affected; quantitative fertilizer is discharged through the bottom of the discharging barrel, the fertilizer is applied to the turned soil, the soil fertility is improved, the device is driven through components in the moving and driving device, and smashing of soil blocks and application of the fertilizer are completed in the driving process.

This invention discloses a method for preparing zero-trans-fatty acid vegetable fat powder, comprising the following steps: (1) dissolving dipotassium hydrogen phosphate and fructooligosaccharides in purified water, adding resistant dextrin and konjac gum, and mixing to obtain an aqueous phase mixture; (2) sequentially adding sodium caseinate, glyceryl monostearate, whole milk powder, and milk fat to the aqueous phase mixture and mixing to obtain an emulsified mixture; (3) adding edible silica to the emulsified mixture and mixing, then gradually homogenizing under increased pressure and spray drying to obtain zero-trans-fatty acid vegetable fat powder. The zero-trans-fatty acid vegetable fat powder prepared by this invention has excellent emulsifying and dispersing properties, and its taste is more delicate, mild, and refreshing.