31results about How to "Guaranteed drying rate" patented technology

The invention relates to double-chamber differential pressure type microwave vacuum freeze drying equipment and belongs to the technical field of food and drug machines; the equipment essentially consists of a chamber body which is provided with a microwave magnetron, and a cold trap which captures the water vapor; a material bearing device is arranged in the chamber body which is divided into a first chamber and a second chamber by a transmission flow-separating plate; the magnetron is positioned in the first chamber, the relative vacuum degree of which is less than the discharge critical value; and the material bearing device is located in the second chamber which is linked with the cold trap through a shielding overflowing sheet. By adopting the microwave vacuum freeze drying equipment, not only can adequate microwave generation power and ideal vacuum degree be maintained, thereby ensuring the required drying rate, but also the generation of discharge phenomena can be avoided as the discharge boundary conditions are inhibited respectively in the first chamber and the second chamber.

The invention provides a preparation method of leisure dioscorea batatas bean and the leisure dioscorea batatas bean prepared by adopting the preparation method. The preparation method is characterized in that processing and preparation are carried out after cooking and freezing and also comprises the steps of pricking holes, seasoning and packaging. The preparation method provided by the invention has the advantages that internal tissues of the dioscorea batatas bean can be softened, moisture inside the tissues can be more beneficially gathered and form ice crystals, particles are enlarged, and holes left by the ice crystals inside the dioscorea batatas bean after reprocessing enable the dioscorea batatas bean to be loose in structure and taste; and meanwhile, a hole pricking method is adopted, so that seasoners can enter the cooked dioscorea batatas bean more easily, burst of the dioscorea batatas bean in a reprocessing process is also reduced, and complete shape of the dioscorea batatas bean is fully maintained. The prepared dioscorea batatas bean remains functional ingredients and taste of the dioscorea batatas bean, is prolonged in quality guarantee period, can be stored and transported at normal temperature and is a convenient and leisure dioscorea batatas bean functional dietary therapy product.

The invention discloses drying equipment. The drying equipment comprises a drying box arranged in a sealed manner, a hot air guiding device for guiding hot air into the drying body as well as a water removal device for absorbing water molecules in air flowing out of an air outlet of the drying box; an air outlet of the hot air guiding device communicates with an air inlet of the drying box; and an air inlet of the hot air guiding device communicates with the air outlet of the drying box. In the drying equipment, sealed drying is performed firstly, and materials in the drying box can be effectively prevented from being polluted. Water is removed through circulating ventilation of the hot air guiding device and the water removal device, the drying speed can be guaranteed, the content of the water in the materials can be obtained directly according to the weight of the water absorbed by the water removal device, a heat conduction system is sealed, and the materials are prevented from being lost in the air, so that the drying equipment can effectively solve the problem that the water diffusion amount after a coal sample is dried is difficult to measure.

The invention discloses a drying device for biological organic fertilizer manufacturing. By the drying device, fertilizer drying efficiency can be improved greatly, and fertilizer drying degree can becontrolled through rotating speed of a rotating barrel. Airflow in a drying barrel is high in air exchange efficiency, and hot air inside the drying barrel is dissipated out by the rotating barrel; when the rotating barrel rotates, sufficient mixing of blown-in hot air and fertilizer can be ensured, and drying efficiency is improved; a heating component is arranged outside the drying barrel and processes the drying barrel by adopting heat conducting fins, the drying barrel is uniform in temperature and high in drying efficiency, and a mode of simultaneous inside-outside drying is adopted, sothat drying rate and drying uniformity of the fertilizer are ensured greatly. In addition, the drying device can be matched with a fertilizer screening component in use, so that fertilizer manufacturing efficiency is improved greatly, and labor intensity is lowere.

The invention provides a method for measuring the content of quantum dot surface ligand and a quantum dot ink preparing method. When the method is used for preparing quantum dot ink, the uniformity ofquantum dot ink quality can be ensured, the consistency of the solubility, drying rates and coffee ring effects of different batches of quantum dot ink is guaranteed, and the pixel resolution and uniformity of the lighting voltages and photoelectric efficiency of the quantum dot display panel are improved.

The invention relates to a dryer for chemical fiber raw material particles with a partition plate, which includes a negative pressure chamber, a drainage chamber, a drying chamber, a spray chamber and an air storage chamber; wherein the negative pressure chamber includes a negative pressure tank, which is connected to the On the bottom end of the drainage cavity, the top end of the drainage cavity is provided with a damper; the drying cavity is connected to the top of the drainage cavity through the damper, and the bottom of the drying cavity is provided with a discharge port; the inside of the drying cavity is provided with a drying tray, and the drying tray The upper linear array is provided with a number of partitions connected by rotation. The inner wall of the drying chamber is also symmetrically equipped with a top push rod and a bottom push rod. The end of the top push rod is connected to the spring plate A, and the end of the bottom push rod is connected to B. , the spring plate A and the spring plate B are connected to the bottom support plate; the injection chamber is connected to the top of the drying chamber, the side wall of the injection chamber is provided with a feed pipe, the bottom of the injection chamber is provided with a support plate, and an array of pressure relief valves is arranged on the support plate; The air chamber is located on the top of the injection chamber, and several heating plates are arranged in array in the air storage chamber.

The invention provides a method for measuring the coverage rate of a quantum dot surface ligand, thereby realizing quality evaluation of quantum dots. If Ki is less than 2*10<-10> mol/cm<2>, the quality of the quantum dot is poor; and solution or ink configuration can not be carried out until the Ki value is improved. With the provided method, the result is accurate; and the operation is simple. Furthermore, with the method, the high stability of the quantum dot surface ligand content is ensured; the solubility of different batches of quantum dots is guaranteed; a coffee ring effect caused bydifferent drying rates in quantum dot solution preparation for a film is avoided; add the pixel resolution and uniformity of the brightening voltage and the photoelectric efficiency of the quantum dotdisplay panel can be improved.

The invention discloses an end cover for a double-cone drying cylinder. The end cover comprises a cover body, a hinge, a lug, a sliding rod, a limiting baffle and a heavy hammer. The cover body is rotationally connected with the double-cone drying cylinder through the hinge. The cover body is fixedly connected with the double-cone drying cylinder through the lug. The sliding rod is vertically arranged on the cover body. The heavy hammer is slidably arranged on the sliding rod, and the limiting baffle is arranged at the end of the sliding rod so as to prevent the heavy hammer from sliding out of the sliding rod. The sliding rod and the heavy hammer are additionally installed, though rotation of the double-cone drying cylinder, the heavy hammer is driven to hit the cover body ceaselessly, materials adhering to the cover body fall into the double-cone drying cylinder, then the drying rate of the materials is ensured, and material waste is reduced. A buffer mechanism is additionally arranged on the sliding rod, the heavy hammer is prevented from directly hitting the limiting baffle, and service life of the limiting baffle is prolonged. In addition, the end cover is simple in structure,low in manufacturing cost, high in universality and suitable for any double-cone dryers.

The invention discloses an airing device for tea leaves. The device comprises an airing disc, a rotating plate, a fixed seat and a bottom plate, a fixed seat is mounted at the top of the bottom plate,a servo motor is mounted in the center of the bottom end in the fixed seat, the output end of the servo motor extends to the top of the fixed seat and is provided with the rotating plate, first electric telescopic parts are evenly installed at the two ends of the top of the rotating plate, the output ends of the first electric telescopic parts are all hinged to and fixed to the bottom of the airing disc arranged above the rotating plate, and a transparent cover is hinged to and fixed to the center of the top of the airing disc through a fixing block. The device is provided with the airing disc, the rotating plate, the fixed seat and the bottom plate, and the top of the rotating plate is provided with the airing disc through the first electric telescopic parts, so that different angles areformed between the airing disc and the rotating plate by adjusting the expanding and contracting of the first electric telescopic parts. According to the device, the rotating plate conveniently rotates to drive the airing disc to rotate along with the sun motion trail, it is conveniently guaranteed that the airing disc makes full contact with sunlight for airing, and the device is convenient to use.

The invention provides a quantum dot surface ligand content measuring method and a quantum dot ink preparation method. When the method is adopted to prepare the quantum dot ink, the uniformity of thequality of the quantum dot ink can be ensured, the solubility, the drying rate and the coffee ring effect of the quantum dot ink in different batches can be ensured to be the same, and the uniformityof the pixel resolution, the turn-on voltage and the photoelectric efficiency of the quantum dot display panel can be improved.

The invention discloses tasty siberian solomonseal rhizome polysaccharide pine nuts and a preparation method thereof. The tasty pine nuts are prepared from the following components in parts by weight: 1000-1200 parts of pine nuts, 500-550 parts of siberian solomonseal rhizomes, 13-15 parts of radix rehmanniae preparata, 13-15 parts of radix rehmanniae, 16-18 parts of red dates, 18-20 parts of Chinese wolfberries, 13-15 parts of bark of oriental variegated coralbean, 13-15 parts of cassia bark, 13-15 parts of green Chinese prickly ash, 13-15 parts of radix angelicae sinensis, 13-15 parts of rhubarb roots, 300-350 parts of cheese powder, and 13-15 parts of lycopene. The tasty siberian solomonseal rhizome polysaccharide pine nuts are crispy in taste, uniform in quality, and bright in luster, and cause no excessive internal heat for regular eating of the pine nuts. The beneficial components contained in the pine nuts have the efficacy of enhancing immunity.

The invention provides a method for measuring the coverage rate of a quantum dot surface ligand, thereby realizing quality evaluation of quantum dots. If Ki is less than 2*10<-10> mol/cm<2>, the quality of the quantum dot is poor; and solution or ink configuration can not be carried out until the Ki value is improved. With the provided method, the quantum dot surface ligand coverage rate is determined; the result is accurate; and the operation is simple. Furthermore, with the method, the high stability of the quantum dot surface ligand content is ensured; the solubility of different batches ofquantum dots is guaranteed; a coffee ring effect caused by different drying rates in quantum dot solution preparation for a film is avoided; add the pixel resolution and uniformity of the brighteningvoltage and the photoelectric efficiency of the quantum dot display panel can be improved.

The invention belongs to the technical field of fruit and vegetable drying, and particularly relates to energy-saving and efficient fruit and vegetable dewatering and drying equipment and a drying method. The material barrel is connected with a temperature control cold trap box, and the temperature control cold trap box is connected with a vacuum pump and an adjustable-speed motor; a cabin door and an optical fiber sensor are arranged on the barrel wall of the material box; the microwave generator is placed above the material barrel; the optical fiber sensor, the temperature control cold trap box, the microwave generator, the vacuum pump and the motor are regulated and controlled through the control panel; stirring baffles are distributed in the material barrel; drying equipment is improved, microwaves are added together with rotation, uniform drying is achieved, meanwhile, the drying rate is increased, and energy is saved; meanwhile, the invention provides a process method for drying fruits and vegetables by using the equipment, microwave freezing and uniform heating are realized through an intermittent stirring mode, and the product quality is ensured.

The invention discloses a preservation method for myrtle fruits. A hot air drying method is adopted to dry fresh myrtle fruits. The myrtle fruits have no obvious constant rate period during hot air drying at more than 80 DEG C, and the lower drying temperature, the longer drying time is needed. a hot air drying mathematical model of the fresh myrtle fruits is established by adopting the form of least squares polynomial, and the correlation of the model can reach more than 0.999. The predicting value of the model is highly identical with an experimental value, so that the model has high reliability. Through comparison of drying products and energy consumption under different temperatures, the optimal drying temperature is 80 DEG C. The method adopted to preserve the myrtle fruits can guarantee product quality while guaranteeing drying rate, and can also achieve the purpose of saving energy consumption.

The invention provides a method for measuring the coverage rate of a quantum dot surface ligand, thereby realizing quality evaluation of quantum dots. If Ki is less than 2*10<-10> mol/cm<2>, the quality of the quantum dot is poor; and solution or ink configuration can not be carried out until the Ki value is improved. With the provided method, the result is accurate; and the operation is simple. Furthermore, with the method, the high stability of the quantum dot surface ligand content is ensured; the solubility of different batches of quantum dots is guaranteed; a coffee ring effect caused bydifferent drying rates in quantum dot solution preparation for a film is avoided; add the pixel resolution and uniformity of the brightening voltage and the photoelectric efficiency of the quantum dotdisplay panel can be improved.