174results about How to "Strong operability" patented technology

The invention relates to a real-time analytic method for an atmospheric particle source. The method comprises the following steps: measuring target atmospheric particles by online and offline measurement methods respectively to obtain online and offline particle composition data, comparing and analyzing the online and offline particle composition data to form an online chemical particle composition time sequence after quantitative calibration, and analyzing the receptor sources of the target atmospheric particles by a PMF (Positive Matrix Factorization) model and a CMB (chemical mass balance) model respectively according to the known source spectrum data of the target atmospheric particles and the online chemical particle composition time sequence after the quantitative calibration to obtain particle source analysis results based on the PMF model and the CMB model; performing optimization grouping on the particle source analysis results based on the PMF model and the CMB model to obtain an optimized real-time atmospheric particle analysis result. The method can be widely applied to atmospheric particle pollution control.

The invention relates to an atmospheric particulate real-time source analytic method based on single-particle mass spectrums. The method comprises the steps that target atmospheric particulates are measured by on-line measurement and off-line measurement methods, and particulate on-line ingredient data, single-particle on-line mass spectrum data and sub particle diameter particulate off-line ingredient data are obtained; a software package is used for obtaining single-particle mass spectrum data with multiple time resolutions after the quantification; a classification method and a model are respectively utilized for obtaining particulate type libraries and concentration matrixes based on the classification method and the model; the particulate type library and the concentration matrix based on the model are utilized for carrying out comparison verification on the particulate type library and the concentration matrix based on the classification method, and the particulate type library and the particulate time concentration matrix based on an optimal classification method are obtained; the particulate type libraries and the particulate time concentration matrixes based on the model and based on the optimal classification method are subjected to optimized combination, and optimized particulate source analytic results are obtained. The atmospheric particulate real-time source analytic method can be widely applied to atmospheric particulate pollution control.

The invention relates to a method for installing a converter in a plug-in mode, in particular to a method for installing a converter body by matching a travelling crane with a hoist. The method comprises the following steps of: arranging the hoist and a hoisting point; installing a bearing base; hoisting a backing ring; installing a tilting mechanism; hoisting the converter body; regulating the converter body; and installing a supporting device. The invention does not need to demolish a finished plant structure, use a complex hoisting machine and increase the construction investment, reduces the operating cost of special machines and tools and the costs of materials, manufacture, installation, and the like of supporting devices, slideways and hoisting tools, thereby saving the cost; and in addition, the invention has short practical hoisting time and high operability, is suitable for improving and increasing the converter inside an old plant and is especially suitable for implement when the traditional integral installation method can not be used for construction due to a narrow construction field when the construction of the plant structure is finished or an old converter is improved without influencing the production of an owner.

The invention relates to a regulating intracranial intravascular thrombus extraction device. The thrombus extraction device is provided with an adjusting guide wire, a thrombus extractor and an outer fixing sheath, wherein one end of the thrombus extractor is fixedly connected with the outer fixing sheath through a fixer, and the other end of the thrombus extractor is fixedly connected with a head-end developer through a fixer; the adjusting guide wire is also fixedly connected to the head-end developer, penetrates through the outer fixing sheath and the thrombus extractor, and is fixedly connected with a handle; a knob and a graduated scale are arranged on the handle. The thrombus extraction device has the advantages that the operability is high, the position of the thrombus extractor can be accurately regulated, the diameter of the thrombus extractor can be intuitively controlled, and thrombus can be completely captured and prevented from falling off; the thrombus can be firmly fixed, and compared with a conventional self-expanding thrombus extractor, the thrombus extraction device is higher in controllability and safety; the adjusting guide wire is controlled to accurately control the position, extension position and withdrawal position of the thrombus extractor by the knob and the graduated scale, and errors are small.

The invention discloses a wind field power predication method based on a deep neural network in the technical field of power system prediction and control. The method includes the steps that firstly, data of the wind speed, the wind direction, the temperature, the humidity and the atmospheric pressure which are actually measured are obtained; secondly, the projection pursuit is adopted for extracting main constituents, the neutral-position absolute deviation serves as a projection index in the projection pursuit, the interference of outliers irrelevant or little relevant to data structures and features can be effectively removed, and the main constituents can be extracted stably. A deep neural network model is adopted, and a predication model between five influence factors and the output power of a wind field is established, wherein the five influence factors include the wind speed, the wind direction, the humidity, the temperature and the atmospheric pressure. The power of the wind field is predicated, and the predicated power is obtained. According to the wind field power predication method, the precision of predicated power in future 72 hours of the wind electric field is improved, a basis is provided for reasonable dispatching of power grids, and the grid connection pressure is relieved.

A photo- and thermo-setting resin composition comprising (A) a carboxyl-containing resin having at least one carboxyl group in the molecule, (B) a photopolymerization initiator having an oxime linkage represented by formula (I), (C) a reactive diluent, and (D) an epoxy compound having two or more epoxy groups in the molecule, wherein the initiator (B) and a combination of the resin (A) and the diluent (C) are incorporated in different formulations respectively to form an at least two-part system.

The invention belongs to the field of crystal preparation, and in particular relates to a device for preparing aluminum nitride crystals and a corresponding process. The invention provides the device and the process for preparing aluminum nitride crystals by adopting a spontaneous crystal seed method. The device comprises an inductive heating coil, an insulating layer, a crucible device and a crucible lifting device. The crucible device consists of a crucible body, a crucible cover and a cover sheet. A hole which is 1-2mm in diameter is formed in the crucible cover, the cover sheet is located above the crucible cover and completely shields the hole, and the area of the cover sheet is between those of the hole and the crucible cover. The preparation process comprises the two steps of: (1) obtaining aluminum nitride single crystals through spontaneous crystallization at the hole to be used as the crystal seeds due to limit of anisotropic crystalline characteristic of aluminum nitride and geometric dimension of the hole at lower temperature; and (2) obtaining large-dimensional aluminum nitride crystals by weakening the anisotropic crystalline characteristic of aluminum nitride at high temperature and meanwhile slowly adjusting the position of the crucible by lifting through the lifting device.

The embodiment of the invention discloses an electronic medical record signature method. The method is applied to a client. The method comprises the following steps: acquiring the user name and the biological feature information of a user in response to an electronic signature loading request; encrypting the user name and the biological feature information of the user, transmitting the encrypted user name and biological feature information to a server for verification, and receiving authentication pass information transmitted by the server; inquiring an electronic signature corresponding to the user name according to the user name; and loading the electronic signature to a signature part of an electronic medical record. The embodiment of the invention also provides an electronic medical record signature method applied to the server, and an electronic medical record signature device applied to the client and the server respectively. The identity of the user is verified with the biological feature information of the user in order to ensure the security and reliability of an electronic medical record signature. Moreover, the user does not need to remember a password or carrying a USB stick; great convenience is brought to use; and high operability is achieved.

The invention provides a crystal preparation method and a crystal thereby. The method comprises the following steps: step 1, preparing a sodium chloride aqueous solution with a preset concentration from hot water with a preset temperature; step 2, adding an aluminum potassium sulfate crystal with a preset mass to the hot sodium chloride aqueous solution obtained in the step 1 and stirring the aluminum potassium sulfate crystal to be dissolved; and step 3, standing the system at a room temperature for a preset time to obtain a hollow pyramid-type crystal. The crystal has a hollow pyramid figure, has an open bottom and respectively has four inner sides and four outer sides, the four inner sides and the four outer sides of the crystal extend from the top of a pyramid to the bottom of the pyramid, and step corrugated structures are respectively arranged on the four inner sides and the four outer sides. The crystal preparation method precipitates crystal from two substances of sodium chloride and aluminum potassium sulfate, the obtained crystal has regular pyramid figure with attractive appearance and strong appreciation, and the preparation technology of the method is simple and easy and has strong operability.

The invention discloses a soft rock weathering and breaking experimental apparatus and an experimental method thereof. The soft rock weathering and breaking experimental apparatus is placed on a frequency modulatable vibrating table and is provided with a transparent inner barrel and an outer barrel. A required volume of water can be added by a water inlet on a barrel upper cover; a water outlet and a gas delivery opening are formed at the bottom of the experimental apparatus; a plurality of layers of round hole sieve plates are arranged in the inner barrel; hole diameters of the round hole sieve plates are sequentially decreased from top to bottom according to a standard sieve hole size of a laboratory; micro high-strength frequency modulatable fluorescent lamps and monitoring probes are placed in the interval between the inner barrel and the outer barrel above each sieve; geotechnical cloth is arranged for isolating soil and filtering water. According to the soft rock weathering and breaking experimental apparatus and experimental method which are disclosed by the invention, effects of variable natural factors on soft rocks are controlled in a room by simulation so as to research influence of each factor on soft rock weathering; by the monitoring probes, the weathering and breaking process of each layer of soft rock particles can be observed and recorded, and the weathered broken rock particles can be automatically sieved and are continuously weathered and broken; the soft rock weathering and breaking experimental apparatus and experimental method have the advantages of being visual, convenient, rapid, accurate and the like.

The invention discloses a water-in-oil type polyamide emulsifier for drilling fluid and a synthetizing method thereof and relates to a water-in-oil type emulsifier and a synthetizing method thereof. The emulsifier is used for solving the problems that the rheological property of existing emulsifiers for the drilling fluid is worse and the emulsion-breaking voltage is reduced at a high temperature. The water-in-oil type polyamide emulsifier for the drilling fluid is made from N-methyl-1, 3-propanediamine, oleic acid and maleic anhydride as raw materials; the chemical name of the emulsifier is N, N-methyl maleic carboxylate alkylamide propyl tertiary amine; the structural general formula of the emulsifier is HOOC-CH=CH-CO-N(CH3)-(CH2)3-NH-CO-R, wherein the R is CH3(CH2)2-CH=CH-(CH2)7-. The synthetizing method comprises the following steps: mixing, condensing and back flowing the N-methyl-1, 3-propanediamine and the oleic acid in a certain proportion to obtain an intermediate product; heating and stirring the intermediate product and the maleic anhydride to obtain an end product. The emulsifier serves as the emulsifier for the drilling fluid.

An epoxy resin composition for RTM molding of a fiber-reinforced composite material includes [A] to [D] below, wherein [A] / [B], which is a blend mass ratio of [A] to [B], is in the range of 55 / 45 to 95 / 5: [A] a multifunctional epoxy resin that is liquid at normal temperature or has a softening point of 65° C. or lower, the multifunctional epoxy resin being at least one selected from phenol novolac epoxy resin, cresol novolac epoxy resin, and triphenylmethane epoxy resin; [B] an alicyclic epoxy resin; [C] an acid anhydride curing agent; and [D] a curing accelerator.

The invention relates to a high-frequency generator tripping optimization method for a power grid with high permeability new energy. The method comprises the steps of incorporating the high permeability new energy into a high-frequency generator tripping scheme, and analyzing the fitness; proposing a coordinated generator tripping principle of new energy and a thermal power unit based on the high-frequency generator tripping scheme; and devising a high-frequency generator tripping optimization scheme involving the new energy. The method provides technical support for frequency safety of the power grid with the high permeability new energy, improvement is made based on a traditional high-frequency generator tripping scheme, pertinence is high, and operation is facilitated.

The invention discloses a method for comprehensively cultivating wheat and loaches in rice stubbles, and relates to a method for comprehensively cultivating crops and aquatic organisms. The method comprises the steps of ridge heightening and widening, superior seed rice selecting and planting, rice pest controlling, loach, grass carp and silver carp and bighead carp fry throwing, fry feeding, water quality managing, winter wheat planting, pest controlling and other steps meeting technical requirements. The comprehensive cultivating method is scientific, advanced and suitable for sustainable development, rice diseases and insect pests are obviously reduced, the usage amount of pesticide and fertilizer is greatly reduced, the quality and yield of rice are improved, the fishery space is expanded, and the economic benefits are increased.

The invention discloses an additive-containing single-crystal-state potassium nitrate glass-reinforced molten salt and a glass reinforcing technology. The additive-containing single-crystal-state potassium nitrate glass-reinforced molten salt is composed of the following compositions in percent by weight: 97%-98.5% of KNO3, 1.125%-2.55% of silicon dioxide, and 0.225%-0.75% of KCl. Compared with the prior art, the additive-containing single-crystal-state potassium nitrate glass-reinforced molten salt has the following substantially advantages: 1, the crystal form of silicon dioxide in the reinforced molten salt is determined as an amorphous state, and addition of amorphous silicon dioxide helps to improve the chemical durability and mechanical performances of chemical reinforced glass, and also gives play to adsorption effect on impurities in the molten salt; and 2, KCl in the reinforced molten salt helps to accelerate the ion exchange reaction through induction effect, and also gives play to effect of purifying the molten salt. The single-crystal-state reinforced molten salt helps to substantially reduce production cost and improve the reinforced glass quality, and has wide application prospect.

The invention discloses a WMNT gas explosion disaster risk evaluation method and belongs to the technical field of coal mine safety. The WMNT gas explosion disaster risk evaluation method includes the following steps that 1, a gas explosion disaster risk index system is determined, the levels of gas explosion disaster risks are divided; 2, weight vectors of all the indexes in the index system are determined; 3, a cost-oriented membership function or a benefit-oriented membership function are determined, and an index membership matrix is obtained; 4, target membership vectors of the risk levels are calculated; 5, the risk levels of gas explosion disasters are judged. The WMNT gas explosion disaster risk evaluation method is simple in calculation and good in operability, evaluation results are reliable, and a nonlinear gas explosion disaster risk level evaluation model is provided.

The invention provides a combined type toy gyro separated through induction control. The combined type toy gyro comprises a main gyro body, an auxiliary gyro body and an elastic part. When the combined type toy gyro is in a first state, the main gyro body is limited and fixed above the auxiliary gyro body through the auxiliary gyro body, and meanwhile the main gyro body compresses the elastic part so that the elastic part can be compressed. The combined type toy gyro is characterized in that a sensing mechanism is arranged in the auxiliary gyro body, the sensing mechanism can controllably relieve limiting fixation of the main gyro body from the auxiliary gyro body under a second state through induction control, the main gyro body pops up under the elasticity action of the elastic part, and accordingly the main gyro body and the auxiliary gyro body rotate independently. Thus, players can separate the gyro through induction at will; meanwhile, because of inductive separation, rotation of the toy gyro cannot be influenced, the whole game process has controllability, operability is high, playing methods are more novel, interestingness is higher, the gyro is divided into two parts, attack force of gyros of own sides is greatly increased, the win rate is higher, and the gyro can be popular with more players.

The invention belongs to the field of crystal preparation, in particular to an aluminum nitride crystal growth device and a corresponding process. The invention provides an aluminum nitride crystal growth device and process with controllable temperature field, which has the advantages of precise temperature field control and strong operability, and the corresponding growth process developed thereby conforms to the crystallization characteristics of aluminum nitride crystal. The preparation device comprises a top heater, a middle heater, a bottom heater, a top insulation layer, a side insulation layer, a bottom insulation layer, an infrared thermometer, a crucible and a crucible support. The device controls and adjusts the heating power of the top heater, middle heater and bottom heater according to the temperature signals of three different positions in the growth area returned by the three infrared thermometers, which satisfies the appropriate temperature field for the growth of aluminum nitride crystals condition. The invention provides a suitable growth device and an effective and feasible process for preparing a large-size, high-quality aluminum nitride single crystal.

The invention relates to an active-combined passive containment vessel cooling system including a shield building, a steel containment vessel, an air baffle plate, a top water tank and a containment vessel spray pipe, the upper part of the structure of the shield building is enclosed into a chimney space which is in a funnel shape with a large upper part and a small lower part, the upper part of the chimney space is a vertical inner wall, the lower part of the chimney space is an inclined inner wall; the lower edge of the inclined inner wall of the chimney space is provided with an annular air-sending narrow channel for forced ventilation of the chimney space, the flow pass of the annular air-supply narrow channel becomes wider gradually inwards from an air supply port until the annular air-supply narrow channel is connected with an air-supply buffer space, and the air-supply buffer space is connected with a plurality of air-supply branch pipe distributed along the circumferential direction of the air-supply buffer space. The active-combined passive containment vessel cooling system is flexible to access, and strong in operability, and can keep the efficiency of a passive operation mode of the system to the maximum extent so as to maximize system passive performance by use of an air injection multiplication technology, the air-supply channel also can be used as a spray water supply channel to allow the system to increase the running mode of active spraying, and the active-combined passive containment vessel cooling system is better in usability.

The invention belongs to the technical field of organic chemical industry, and in particular, relates to a preparation method of a polysubstituted benzofuran derivative. The method is a coupling-tandem one-pot method, terminal alkyne, a halogenated phenol derivative and disulfide or diselenide undergo a reaction, amino acid is used as an additive, a copper salt is used as a catalyst, and under a condition of adding an alkali and in an organic solvent, a reaction is carried out to prepare the polysubstituted benzofuran derivative. An expensive palladium catalyst easily polluting the environment is not adopted, the reaction conditions are relatively mild, the process is simple, the operation is high, and the method has the prospect of industrial application.

The invention discloses high-temperature-resistant flame-retardant silicone rubber and a preparation method thereof, and relates to the technical field of flame retardancy and high-temperature-resistant modification of silicone rubber. The high-temperature-resistant flame-retardant silicone rubber comprises the following components, in parts by weight: 100 parts of vinyl-terminated silicone rubberraw rubber, 40-60 parts of white carbon black, 30-70 parts of a filler, 10-30 parts of a flame retardant, 3-7 parts of a structuring controlling agent, 2-5 parts of a heat-resistant agent, 0.5-2 parts of a coupling agent and 0.1-1 part of a demoulding agent, wherein the vinyl-terminated silicone rubber raw rubber has a molecular weight of 500,000-900,000 and a vinyl content of 0.03%-3.0%. The invention also discloses a preparation method of the high-temperature-resistant flame-retardant silicone rubber. According to the preparation method provided by the invention, the silicone rubber prepared by the method has excellent high-temperature resistance and flame retardancy, and has excellent mechanical properties and aging resistance.

The invention relates to a hardware coding method and circuit based on FEC (forward error correction) in a 10G EPON ONU (Ethernet passive optical network optical network unit). The hardware coding method comprises the following steps: S10. writing 66bit-wide data sent by a scrambler part into an fifo buffer; S20. writing the rest 65bit-wide data into nine register arrays in sequence after taking out the 66bit-wide data from the fifo buffer and removing the LSB (least significant bit) each time; S30. instantly starting a corresponding Reed-Solomon (RS) (252, 220) coder for coding once data are written into a certain register array, and then writing check bytes obtained through coding into corresponding bits of the corresponding register arrays to be registered; and S40. reading the data from the register arrays according to a certain format, thus obtaining the FEC coded data. The method and the circuit have the following advantages: the method is simple, convenient and effective and has high operability; and the circuit has a smaller scale and can achieve higher hardware circuit time sequence speed.

The invention discloses Populus tomentosa itch-stopping skin-protecting paste. The paste is prepared from, by weight, 12-20 parts of Populus tomentosa, 1-3 parts of sodium alginate and 1-3 parts of chitosan. The paste is a pasty mixture which is exquisite in touch and smooth in texture after being mixed and stirred with warm water, and can play multiple roles in stopping itch, resisting bacteria, diminishing inflammation and protecting skin after being directly coated on itching skin after being cleaned. The paste is extensive in raw material source, low in cost, high in preparation operability, convenient to produce and process, is dry fine powder, can be stored for a long time after being sealed, is convenient to carry and use and has wide application prospect.

The invention discloses a physical shop goods logistics scheme based on e-commercialization (electronic commercialization), which is applied to a deliveryman mobile terminal. The physical shop goods logistics scheme comprises the following steps of: S1, dividing a goods shelf into a plurality of goods regions; S2, arranging goods in the corresponding goods regions; S3, drawing a layout chart of the goods shelf and carrying out control by a control center; S4, sending order information to the control center and displaying positions of the goods on the layout chart; S5, by the control center, parsing the positions, calculating an optimal moving route and displaying the optimal moving route; and S7, packaging and distributing target goods. According to the invention, an intelligent logistics system and the high-operability logistics scheme are adopted, and thus, the target goods can be rapidly and accurately positioned, the target goods are directly distributed to consumers from the goods shelf of a physical shop, and working efficiency is high; and moreover, an inventory level of the goods is updated in real time, so that tight connection of network e-commercialization and the physical shop is achieved.

The invention discloses a construction operation platform hoisting frame of a bridge high pier. Pipelines are pre-embedded in pier columns for storing steel bars through the compression resistance property of concrete, the pier columns serve as supports to lay I-shaped steel on the basis of the steel bars to manufacture a bracket shaped like a Chinese character 'jing', a construction platform capable of being overall hoisted is formed, the bracket and pier column main bars are tied through a chain block, thus the bracket is synchronously lifted along with elevating of the pier columns, the complexity of a construction structure is avoided through the structure, and the cost is reduced; and meanwhile, the invention further discloses a construction method of the hoisting frame, and the construction method is high in operability and high in safety.

The invention discloses a method for safely plugging a diversion tunnel under a bad geological condition of a high water head of hydropower engineering. The method includes the steps of gate switching-on, water pumping and plugging, wherein plugging includes safety protection plug construction, bad geological section surround rock reinforcing construction and permanent plug construction. Accordingto the method, aiming at the characteristics of diversion tunnel plugging under the bad geological condition of the high water head of hydropower engineering, a safety protection plug is adopted, badgeological section surround rock is reinforced, through two guarantees, the risk of losing stability of the bad geological section surround rock under the action of the high water head is effectivelyavoided, the safety guarantee rate of gate switching-on and plugging of the diversion tunnel is increased greatly, meanwhile sudden water burst in the tunnel can also be blocked by the safety protection plug when an inlet gate of the diversion tunnel is damaged, and thus the safety of plugging construction workers is guaranteed; and implementation operability is high, a safety protection plug concrete pouring and bad geological section consolidation grouting process is simple, the plugging effect is good, the construction period is short, the construction cost is low, and the method has greatapplication and popularization value.

The invention provides an organic electroluminescent device and a preparation method thereof; the organic electroluminescent device structure comprises the following parts in sequence from bottom to top: a substrate, an anode layer, an organic function layer and a cathode layer; the features are that the organic function layer comprises a cavity injection layer, a cavity transmission layer, a luminescent layer and an electron transmission layer arranged from bottom to top in sequence; the luminescent layer is a mixed structure formed by a main body material doping with an object body luminescent material; the luminescent material has thermal activation delayed fluorescence characteristics, and the doped mass ratio thereof is 1-50%; the cavity injection layer, the cavity transmission layer,the luminescent layer and the electron transmission layer are respectively formed by a wet method technology using a same solvent. The method uses the wet method technology to prepare the thermal activation delayed fluorescence device, thus improving the device efficiency, simplifying the device preparation technology, and reducing the production cost.

The invention provides a movable table having trundles with locking mechanism, even if the height of the table changes, locking / locking release operation of the trundles can be performed stably through operation of metal wires. The movable table has a table plate (10), strut parts (20) supporting the table plate (10), feet parts (30) having trundles (31) and locking mechanisms (32) and a locking release mechanism (40) for locking / locking release of the trundles (31). The movable table (1) is characterized in that the structure of the locking release mechanism (40) has an operating metal wire (41) which is connected to the locking mechanisms (32) and performs operation of locking / locking release, the operating metal wire (41) is stored in the table plate (10) and in the strut parts (20), so that the strut parts (20) are telescopic, and the structures of the strut parts (20) have guiding structures (21) which guide the operating metal wire (41) according to extendable and retractable states of the strut parts (20).

The invention discloses a dust filtration device of cabinet air conditioner, which is characterized by the following: comprising air-inlet grid group; arranging the air-inlet grid group at the left and right lateral side of the cabinet air conditioner; displaying symmetrical detachable structure; arranging rotating air-inlet guiding board at the outside of the air-inlet grid group; setting the air-inlet grid group as air-inlet grid skeleton, dust filtration screen support and dust filtration screen element with arched structure; assembling the dust filtration screen and the air-inlet grid skeleton together; forming a arched track; socketing the dust filtration screen element between the air-inlet grid skeleton and the duct filtration screen support; socketing the arched dust filtration screen element in arched track; opening air-inlet guiding board at first to clean; pressing boss group at the edge of the dust filtration screen element; exerting a force toward outside; drawing toward outside. This device possesses strong manufacturability and convenient maintenance.

The invention discloses a double-enzyme hydrolysis method for preparing infant nutrient rice flour. The method comprises the following steps: smashing rice, and sieving to obtain rice flour; performing size mixing on the rice flour to obtain starch milk; adding alpha-amylase and beta-amylase into the starch milk, and carrying out enzymolysis with heat preservation for a certain period of time; after enzymolysis, adding auxiliary materials and uniformly mixing to obtain a mixture; and refining the mixture, and drying to obtain the nutrient rice flour. The method for producing rice flour by an enzymolysis process is high in operability, a conventional enzymolysis process with frequent heating and cooling can be replaced fully, production equipment is simple, the investment cost is reduced, the operation is simplified, the labor intensity is lowered, and the energy consumption is lowered. The method is very suitable for transformation and upgrading of a large number of rice flour plants adopting the conventional process.