81results about How to "Quality will not affect" patented technology

The invention discloses a smelting method for low-carbon low-silicon wire-welding steel. The process flow of the smelting method comprises the following procedures: pretreatment and desulphurization of molten iron; treatment in a converter; LF refining; and continuous casting of small square billet with a size of 150 mm * 150 mm. With the smelting method, carbon content is stably controlled to be less than or equal to 0.08%; silicon content is stably controlled to be less than or equal to 0.027%; total oxygen content is no more than 0.0040%; the problem of nozzle clogging is overcome; and surface and internal quality of a casting blank is greatly improved. The process flow of the smelting method is simple and has low cost; and equipment used in the smelting method is conventional production equipment for iron and steel manufacture, is simple to operate, has good versatility and saves energy.

The invention relates to a high-efficiency humidifying treatment device special for chipboard. The high-efficiency humidifying treatment device comprises a bottom plate. A rotary fixed mechanism capable of rising and falling is installed in the middle of the bottom plate. Two limiting mechanisms capable of conducting adjustment automatically are installed on the front side and the rear side of the bottom plate symmetrically. Two water injection adjusting mechanisms are installed on the left side and the right side of the bottom plate symmetrically. The rotary fixed mechanism, the limiting mechanisms and the water injection adjusting mechanisms are used mutually to complete the humidifying process for the chipboard. Through the high-efficiency humidifying treatment device, the difficult problems that in the water adjusting treatment process of chipboard, the position of a water injection mechanism needs to be adjusted manually when water adjusting treatment is conducted on the chipboard of different sizes, the time wasted by chipboard water injection is long, the chipboard is liable to be influenced by external force during water injection, consequently water injection is nonuniform, thus the quality of the chipboard is influenced, the stability is poor, and low precision, complex operation, large labor intensity, low work efficiency and the like exist in manual adjustment can be solved, and the function of high-efficiency humidifying treatment of the chipboard can be achieved.

The invention relates to a full-automatic air panoramic data collection system. The system comprises a control terminal and a flying platform, wherein the flying platform comprises a multi-rotor unmanned aerial vehicle (UAV) and a camera mounted on the multi-rotor UAV; the control terminal comprises a point location planning module used for planning the location and the height of a collection point, and a parameter setting module used for setting a horizontal spacing angle and a vertical inclination angle; the multi-rotor UAV carries out positioning and shooting angle adjustments according to the planned collection point and set parameters; and the camera is used for shooting when the multi-rotor UAV is located at the set collection point and the set shooting angles. Compared with the prior art, the system and the control terminal provided by the invention have the advantages that automatic shooting is achieved, and manual operations are not required, so that the accuracy is high.

The invention discloses buzzer automatic assembling equipment. The buzzer automatic assembling equipment comprises a machine frame, wherein an assembly line is arranged on the table board of the machine frame, and runs through all stations on the assembling equipment; and according to an assembling technology, the assembling equipment sequentially comprises a jig feeder, a bottom shell feeder, a first glue dispenser, a ceramic film sheet sucking and releasing machine, a second glue dispenser, a third glue dispenser, a manual setting-out station, a miniature spot welding machine, a fourth glue dispenser, a fifth glue dispenser, a sixth glue dispenser and a cap feeder. The buzzer automatic assembling equipment disclosed by the invention has the advantages that the whole buzzer automatic assembling technology can be completed, the assembling efficiency is improved, and the area occupied by the equipment is reduced; and automatic jig feeding is realized by the jig feeder, so that manual feeding is not needed, not only efficiency is improved, but also human input and labor cost are reduced.

The invention discloses a plate-fin heat exchanger. According to the abstract drawing of the plate-fin drawing, all passageway units of a middle partition plate-fin structure (8) are overlapped and arrayed at intervals in a 90-degree crossing mode, and outer partition plate-fin structures (7) are arranged on the two outer sides of the middle partition plate-fin structure (8); at the moment, a complete plate-fin can be assembled only by installing sealing strips (3) in place, then a diversion plate (2), a connecting pipe (5) and an end socket (6) are installed according to requirements, and the whole plate-fin heat exchanger can be used. The outer partition plate-fin structures (7) and the middle partition plate-fin structure (8) can be independently manufactured, and therefore manufacturing can be independently achieved; in this way, the combining quality can be ensured, no large device is needed when a large-size heat exchanger is produced, the manufacturing difficulty is lowered, and cost is reduced. The heat exchange capacity of the plate-fin heat exchanger is determined by the area and shape of fins (1) and the combining quality of the fins (1) and partition plates (4), and therefore the heat exchange capacity of the plate-fin heat exchanger designed and produced through the method is not lower than that of a current well-known plate-fin heat exchanger.

The invention provides a method for manufacturing a silicon substrate GaN-based semiconductor material, aiming at solving the problem of re-melting a silicon surface by Ga in the process of extending GaN-based semiconductor material to improve the quality of the product and the production efficiency. The method comprises the following steps of: generating an aluminum nitride buffer layer on the silicon substrate in a reaction chamber of a first MOCVD specially for growing the aluminum nitride buffer layer, and taking out the aluminum nitride buffer layer after the step is completed to form a silicon substrate aluminum nitride template for later use; and placing the silicon substrate aluminum nitride template for later use into a reactor of a second MOCVD for growing a GaN-based semiconductor material to extend the GaN-based semiconductor material; and taking out the silicon substrate aluminum nitride template after the step is completed to form a silicon substrate GaN-based semiconductor material. The method can be applied to production manufacture of light-emitting diodes, diode lasers, power devices and the like.

The invention relates to a method of preparing a large-dimension cadmium sulfide film by a chemical water-bath method. The method comprises the following steps: fixing one surface, which does not need to be coated with a film, of at least one substrate in a reaction container in a closed manner; injecting reaction liquor containing a cadmium salt, a sulfur source, ammonia water and deionized water into the reaction container, and then sealing the reaction container, wherein volume of the reaction liquor is smaller than that of the reaction container; horizontally immersing the sealed reaction container into a constant-temperature water bath oscillator, heating and carrying out water-bath, so that the reaction container upwards circles round and reciprocates in the horizontal direction or uniformly mixes the reaction liquor without stop in a moving mode of swinging up and down by taking a middle axle as a shaft center to deposit a uniform cadmium sulfide film on one un-sealed surface of at least one substrate; and after depositing the cadmium sulfide film to needed thickness, taking out, cleaning and drying to prepare the large-dimension cadmium sulfide film.

A K-song system A wireless microphone and a signal transmission device thereof, the signal transmission device comprises a transmitting end and a receiving end, the transmitting end includes a pickup,AD converter, modulation unit, RF Amplifiers and Transmitter Antennas, The receiving end comprises a receiving antenna, low noise amplifier, signal processing unit, first DA converter, the demodulation unit and the second DA converter, At that transmit end, the audio signal is converted into a digital audio signal by an AD convert, A modulation unit modulates the digital audio signal into a high-frequency digital signal, A high-frequency digital signal is transmitted after being power-amplified, the high frequency carrier signal is canceled at the receiving end by the inverted high frequencycarrier signal generated by the signal processing unit, The first DA converter performs digital-to-analog conversion, the demodulation unit restores the digital audio signal, and the second DA converter converts the digital audio signal into an audio signal for output without compressing and expanding the audio signal, so as to improve the quality of the output audio signal.

The invention relates to a method for preparing a polyurethane fiber guide wheel used for cutting a silicon slice. The method comprises the following steps of: mixing 0.5-1.0 part of carbodiimide and 3-5 parts of calcium sulphate crystal whisker with 100 parts of polyether polyol, then stirring, heating and dehydrating the materials in a reaction kettle, and adding 30-50 parts of isocyanate to the reaction kettle for a polymerization reaction to prepare a prepolymer and defoaming the prepolymer; mixing the defoamed prepolymer with a liquid polyurethane solidifying agent in the ratio of 100: (15-30) in a casting machine to prepare a polyurethane liquid material, placing an assembled die and a metal spindle into a heating box for heating, and pouring the polyurethane liquid material to a hollow cavity between an adhesive layer and the die and to a hooped pouring opening; and placing the die poured with the polyurethane liquid material into the heating box, then carrying out vulcanization forming treatment, demolding, carrying out additional vulcanization, and machining a guide groove on the surface of a polyurethane coating. The method for preparing the polyurethane fiber guide wheel used for cutting the silicon slice has the characteristics of light weight and improved production efficiency and quality of the guide wheel.

The invention provides an anti-spilling assembly, method and system and a cooking utensil. The anti-spilling assembly comprises a water inlet pipe, a spraying nozzle and an anti-spilling detection device, the water inlet pipe is located above an inner pot, and a water outlet end of the water inlet pipe faces the inner pot; the spraying nozzle is provided with a cavity, a water inlet end of the spraying nozzle is connected with the water outlet end of the water inlet pipe, and the side wall of the spraying nozzle is provided with at least one water spraying port extending in the height direction of the spraying nozzle; the anti-spilling detection device is arranged on a cover body, connected with the cover body and used for controlling the spraying nozzle to start spraying water or stop spraying water. Through the arrangement of the anti-spilling detection device and the spraying nozzle, when the anti-spilling detection device detects that ingredients cooked in the inner pot are about to spill, the spraying nozzle is controlled to be opened to spray water into the inner pot, bubbles generated by boiling can be effectively reduced, and it is ensured that the ingredients in the innerpot can continuously be heated by the cooking utensil without spilling.

The invention relates to a raw material grinding and screening device special for building and ornament material granite tiles. The raw material grinding and screening device comprises a base plate, a grinding mechanism is installed on the base plate, a conveying and screening mechanism is installed on the base plate, the conveying and screening mechanism is located under the grinding mechanism, and the grinding mechanism and the conveying and screening mechanism are mutually matched for use to complete an automatic repeating grinding process of tile raw materials. According to the raw material grinding and screening device special for the building and ornament material granite tiles, the problems that in the existing tile raw material grinding and screening processing process of a small factory, grinding is insufficient, the tile quality is affected, ground tile raw material particles need to be manually screened, the screened tile raw materials which cannot meet the requirement need to be manually collected, operation is complex, the labor intensity is high, and the working efficiency is low can be solved, and the function of automatically grinding and screening the tile raw materials can be achieved.

The invention discloses a fertilizer crusher capable of automatically defecting and separating metal, comprising a fertilizer crusher part and a metal impurity removal device, wherein the fertilizer crusher part comprises two support frames, a crushing cylinder is arranged between the support frames, a horizontally arranged rotating shaft is arranged in the crushing cylinder, and the support frames are respectively provided with bearings adaptive to the rotating shaft; spiral crushing teeth sleeve the rotating shaft, and the inner wall of the crushing cylinder is fixedly provided with multiple helical teeth adaptive to the spiral crushing teeth; the rotating shaft extends to the exterior of the left side of the crushing cylinder to be connected with a belt wheel, the belt wheel is in transmission connection with a driving wheel by a belt, and the driving wheel is connected with a motor by a driving shaft. The fertilizer crusher is reasonable in structure design and convenient to use, can be used to automatically defect fertilizer containing metal impurities and automatically classify, ensure the quality of finished fertilizer, reduce the machine wear of the fertilizer crusher, and prolong the service life, and also has the advantages of good crushing effect, low blocking possibility and suitability for automated fertilizer production.

The invention discloses rice rich in vitamin B. The rice is characterized by being prepared from the following raw materials: common rice, vitamin B, sodium alga acid and calcium chloride. The nutritious rice has the same grains as common long-shaped rice or polished round-grained rice, has similar texture characteristic and organoleptic quality to the common rice, and cannot influence the quality of rice after the nutritious rice and the common rice are mixed and steamed so as to meet the requirement of users on the nutritious rice.

The invention relates to an intelligentized cotton yarn twisting-doubling production line and a cotton yarn twisting-doubling process in the textile industry. The intelligentized cotton yarn twisting-doubling production line comprises a base plate, wherein a supporting operation table is installed in the middle of the base plate, operation limiting grooves are uniformly formed in the supporting operation table, operation delivery pay-off mechanisms are arranged in operation limiting grooves, an adjusting liftable air cylinder is installed on the base plate, the top of the adjusting liftable air cylinder is provided with a lifting control frame through a flange, and the middle of the lifting control frame is provided with an operation groove. The problems can be solved by adopting the production line and the process that a plurality of cotton yarns need to be artificially twisted together according to a certain law in the existing textile making process, the time consumed for artificialyarn twisting and doubling is long, the twisting degree of the cotton yarns cannot be ensured, artificial twisting and doubling possibly cause disorder of the cotton yarn twisting and doubling mixture raw and affect the quality of the cotton yarns, the labor intensity is high, and the working efficiency is low, and the function of automatic cotton yarn twisting and doubling in the spinning operation can be achieved.

The invention belongs to the technical field of chemical fiber preparation, and particularly relates to a durable antibacterial textile fiber and a preparation method thereof. The preparation method of the durable antibacterial textile fiber comprises the following steps of a) mixing a nanoscale antibacterial agent with polyethylene wax, silicon dioxide aerogel, nylon 6 and high-melt-index EVA ina high-speed mixer, then performing melt co-extrusion by using a co-rotating twin-screw extruder, and performing water cooling, dicing and drying to obtain antibacterial master batch; b) adding the nylon 6, the antibacterial master batch and the nylon 6 into three screw extruders respectively for melting, performing compounding by using a multilayer die head to form a filament, wherein an inner layer is the nylon 6, a middle layer is the antibacterial master batch, and an outer layer is the nylon 6; then stretching the filament into a fiber, applying spinning oil, performing cold rolling and winding to obtain the durable antibacterial textile fiber. According to the preparation method, the nanoscale antibacterial agent is dispersed in a high-flow system for processing, so that the dispersity of the antibacterial agent is greatly improved; the master batch is independently formed in the middle layer of the spinning, so that on one hand, the antibacterial agent is prevented from fallingoff during washing, and on the other hand, the quality of the nylon 6 such as strength and color cannot be influenced.

The invention relates to automatic raw material grinding equipment special for building decoration material marble tiles. The automatic raw material grinding equipment comprises a bottom plate and is characterized in that a grinding device and a conveying and sieving device are mounted on the bottom plate, a feeding device is mounted at the right end of the bottom plate, the feeding device is located on the lower side of the right end of the conveying and sieving device, and the grinding device, the conveying and sieving device and the feeding device are coordinated to complete the automatic and repeated grinding process of marble tile raw materials. The automatic raw material grinding equipment has the advantages that the problems that an existing marble tile raw material grinding process is insufficient in grinding, the quality of the marble tiles is affected, marble tile raw materials which do not meet the requirements after sieving needs to be collected manually, the marble tile raw materials which do not meet the requirements needs to be manually re-conveyed into the grinding equipment for repeated processing, operation is complex, labor intensity is high, work efficiency is low, and the like can be solved, and functions of marble tile raw material automatic and repeated grinding and sieving can be achieved.

The invention discloses a recycling process of waste viscose. The waste viscose obtained through collection is fed into the viscose filament production process after filtration, defoaming and ripening, wherein the waste viscose is dismantling waste viscose of a filter in a viscose production system. According to the recycling process of the waste viscose, the technical problem that the waste viscose cannot be recycled to continue to be applied to the viscose filament production in the existing waste viscose recycling scheme is solved, the waste viscose cannot be directly added into normal viscose after the filtration treatment and can enter the large viscose production system to be applied to the viscose filament production, the economic benefit is obvious in comparison with the way that the waste viscose is applied to viscose staple production, meanwhile the environment-friendly pressure can be reduced, and the viscose production efficiency can be improved.

The invention discloses a method for processing voice data. The method comprises: a frequency spectrogram of a target voice file is obtained and the obtained frequency spectrogram is displayed; a target frequency range selected by a user in the frequency spectrogram is received and corresponding target voice data are determined based on the target frequency range; and the target voice data are extracted, the extracted frequency spectrogram processed, and the frequency spectrogram are played. According to the method, the user is able to select a specific determined frequency range automaticallyaccording to the frequency spectrogram of the target voice file; and because the voice data are selected by the user based on the frequency spectrogram, the selected voice data have the optimized quality; no denoiding process is needed for the voice data, so that the original voice audio quality is not affected and thus the voice audio file is played clearly; and the voice data processing efficiency is improved because of the low selected voice volume. Correspondingly, the invention also discloses an apparatus and equipment for processing voice data, and a readable storage medium that have the same technical effects.

The invention relates to the technical field of food processing and discloses a collecting and processing device for pea dehulling and selection. The collecting and processing device comprises a supporting-bearing device, wherein one end of the top of the supporting-bearing device is welded with two sides of the bottom of a top blocking mechanism, two sides, located at the top, of the top blockingmechanism are respectively welded with two sides of the bottom of a top limiting mechanism, the middle, located on the inner side of the top, of the top limiting mechanism is welded with a driving device, one end of an output shaft of the driving device is insert-connected into the inner cavity of a driving rotary shaft, two sides of the outer surface of the driving rotary shaft are welded with breaking driving blades, and a discharging processing structure is insert-connected to the middle of the inner cavity of a screen net disc. Peas needing dehulling are put in a force-borrowing swing processing device, the driving device drives the breaking driving blades, breakage processing can be conducted on the peas, the force-borrowing swing processing device is driven to perform swing processing by utilizing the rotation power of the driving rotary shaft, and the effect of finely screening peas can also be improved.