64results about How to "Reduce blowout" patented technology

The invention discloses a triangular warning board. The triangular warning board comprises three board bodies which are connected with one another and define a triangle, a reflecting coating is arranged on each board body, connecting blocks are arranged in all positions where the board bodies are connected, rotating structures are arranged between two ends of each board body and the connecting blocks, the rotating structures at the two ends of the same board body are coaxial, the connecting blocks are connected with support bars, and fixing blocks are connected below the support bars. After the triangular warning board in the structure is blown by the wind, the board bodies forming the triangular warning board can rotate, and the stressed area of the triangular warning board is reduced through rotation, so that the wind stress on the triangular warning board is reduced, and the possibility that the triangular warning board is broken by the wind is decreased.

This invention discloses a method for extracting ganglioside from animal tissue. The method comprises: extracting ganglioside from animal tissue by using acetone, THF, methanol, chloroform or other polar solvents in buffer containing Na2HPO4, NaH2PO4 or citric acid. During the whole process, ion-exchange water (free of heavy metals) is used, and the treatment temperature is controlled below 35 deg.C to reduce or avoid physiological activity loss. The product is crude ganglioside with some other glycolipids, and has healthcare function.

The invention relates to an improved vertical vane assembly of a wind aerogenerator and the vane assembly is supported on a vertical axle that drives a generator to rotate and comprises a rotating bracket and a plurality of vertical vanes uniformly arranged on the rotating bracket at intervals, the vanes respectively have a vertical rotating axle which is arranged on the rotating bracket in a pivoted manner, each vane is additionally provided with an adjustable connecting rod that is connected to the rotating bracket to lead each vane to rotate around the vertical rotating axle and maintain the optimum angle of attack between each vane and a windward side. In addition, the invention provides a variable winding method of a two-step and three-step wind aerogenerator which has a rotating speed and a generated voltage when operating, a comparator is utilized for comparing the rotating speed and the generated voltage of the wind aerogenerator with a preset value of the comparator; and under different rotating speed, coils are respectively connected in series or in parallel to lead the electricity generated by the generator to be in a limited range, thus avoiding causing unexpected misfortune.

The invention discloses a triangular warning board. The triangular warning board comprises three board bodies which are mutually connected to form a triangle, wherein light reflection layers are arranged on the board bodies; connecting blocks are arranged in the connecting positions of the board bodies; rotational structures are arranged between two ends of each board body and the connecting blocks, and the rotational structures at two ends of the same board body are coaxial; the connecting blocks are connected with a supporting rod, and a fixing block is connected with the lower part of the supporting rod; a plurality of first LED lamps are arranged on the board bodies, and a plurality of second LED lamps are arranged on the side walls of the board bodies; and control switches are arranged on the rotational structures. The triangular warning board can be prevented from being blown away by wind, the possibility that the triangular warning board is blown to be broken is reduced, and a better warning effect can be realized.

The invention belongs to the technical field of production and manufacturing of non-woven fabrics, and particularly relates to an air-jet production method for functional non-woven fabrics. The methodcomprises the following steps: S1, combing: combing fibrous materials to form single-layer or multi-layer fiber webs; S2, web laying: laying the fiber webs by an overlapped straight laying manner ora cross laying manner; S3, functional finishing: finishing the fiber webs with a functional finishing liquid; S4, air jetting: entangling fibers in the fiber webs into cloth by air jet; S5, drying. Compared with water-jet non-woven fabrics, the air-jet non-woven fabrics have the advantages that fibers to be reinforced are moistened by the functional finishing liquid, a large amount of high-pressure water is not required, and special water treatment is not required, so that the air-jet production method is more energy-saving and environmentally friendly; during air-jet production, mechanical squeeze to the fiber webs is avoided, therefore, the filling power of finished products is improved, inherent softness of the fiber webs is maintained, the final products touchgood andhave good drapability, and functional performance is provided for the fiber material by finishing with a functional liquid.

The invention provides a method for reclaiming desert or desertified soil through utilizing sludge. The method comprises the following steps: digging a ditch or a pit region: digging the ditch or the pit region by guaranteeing that the depth is smaller than or equal to 3m, the width is 3m-5m and the coverage area is 10%-40% of a needed reclaiming area; backfilling the sludge: backfilling the sludge into the ditch or the pit region to form a sludge backfilling region, wherein the backfilling depth of the sludge is smaller than or equal to 3m; covering sandy soil: covering the sandy soil on the surface of the sludge, wherein the thickness of a covering layer is 10cm-30cm; and planting plants: planting the plants above and at the periphery of the sludge backfilling region to form a protection forest planting region, and enabling roots of the plants to extend toward the sludge backfilling region, so as to realize soil reclamation. The method provided by the invention adopts sludge backfilling and the desertified soil is treated by wastes; the sludge has a good water holding capacity and a good fertilizer effect; and measures that the sandy oil covers a sludge layer, suitable grass is planted on the sludge backfilling region, soil improvement is carried on the sandy soil covering layer and a surface layer of a region which is not backfilled, and the slope of the region which is not backfilled is adjusted are adopted, so that the effect of alleviating water loss and soil erosion is realized.

The invention discloses an anticorrosive fluid director for a natural gas. The anticorrosive fluid director comprises a body, a supporting plate, a ball body and an upper ball seat, wherein a liquid inlet hole is formed inside the body, the supporting plate is fixed at the lower part of the liquid inlet hole, the upper ball seat is fixed at the upper part of the liquid inlet hole, the interior of the upper ball seat communicates with the liquid inlet hole, a supporting shaft is arranged at the middle part of the supporting plate, a spring sleeves the supporting shaft, a plurality of small holes are formed in the supporting plate, a limiting plate is arranged at the top end of the spring, a gap is reserved between the bottom of the limiting plate and the top end of the supporting shaft, a lower ball seat is fixed on the limiting plate, and a through hole communicating with the liquid inlet hole is formed in the middle part of the ball body; a connecting shaft is rotatably arranged in a sleeve, and the end part of the connecting shaft is connected with the upper part of the ball body. Through adjusting the size of a communicating cross section of the liquid inlet hole by an adjusting mechanism, an upwards-moving oil gas is blocked, the an enlargement of a wellhead overflowing or well kick accident caused by the upward moving of oil gas flow is prevented, and the occurrence of a well control mailsadjustment is avoided.

The invention relates to an environmental sanitation integrated management information platform, which is provided with a bearing rod, weighing equipment, feedback equipment and a garbage can which are matched with each another, so that garbage collected in the garbage can can be conveniently weighed, and then the weight of the garbage is fed back to the feedback equipment, so that sanitation workers can be informed of treating the garbage in a unified manner, and the garbage in a garbage chamber can be effectively managed; by arranging a structure that a supporting frame, a spraying pipe, a spraying head and a water supply assembly are matched with each another, rainwater can be conveniently and effectively collected, so that the effect of energy conservation and environmental protectioncan be achieved on water resources, and the effect of effectively cooling the garbage chamber can be achieved; therefore, the situation that the smell generated by the garbage is more unpleasant due to the too high temperature can be reduced, and then the occurrence of the smell in the garbage wafting out of the garbage chamber to influence the air quality and the life of surrounding residents canbe reduced.

The invention discloses a production technology of a food packaging film. A deoxidant is used as an additive in the production process, wherein the deoxidant is capable of preventing the materials from ageing in the producing and using processes; the raw materials are simultaneously mixed and preheated; the preheating temperature is 40 DEG C; the preheating process is used for avoiding the damage to the structures of the materials caused by sudden temperature increase in the extrusion stage; the flow rate of melt is 0.28 g/10min; the materials at the flow rate are discharged and are subsequently inflated and molded; the inflated film is uniform in thickness; the breakage caused by inflating is reduced; the corona treatment is carried out on the film before coiling; the voltage is 50 kv; the corona treatment can be used for greatly relieving the electrostatic phenomenon of the film; an adhesive used for bonding the film is a polyethylene adhesive; by virtue of application of the special adhesive, an excellent bonding effect of the film is achieved; meanwhile, the adhesive is free of toxicity and pollution.

The invention belongs to the technical field of non-woven fabric production and manufacturing, and particularly relates to a method for producing a non-woven fabric through gas-stimulation reinforcedfiber web. Gas-stimulation reinforcement is conducted on the fiber web through airflow, a non-woven fabric is produced; the fiber web is obtained through at least one of four web formation modes of carding web formation, airflow web formation, spinning web formation and melt-blowing web formation; fiber of the fiber web is natural fiber or conventional chemical fiber or differential fiber or functional fiber or high-performance fiber. Compared with a spunlaced non-woven fabric, the whole process of the method does not need water, energy conservation and environmental friendliness are better achieved, the method is updating and upgrading of the spunlaced process, production can be conducted by transforming equipment on an exiting non-woven production line, and the method is suitable for scale production; compared with a spunlaced non-woven fabric, defects of oil stains formed by gas-stimulation reinforcement, and the method has the advantages of being hygienic and environmentally friendly.

The invention discloses an automatic storage device for an automobile lease business file and a using method of the automatic storage device. The automatic storage device comprises a shell and an electric control console fixedly arranged at the front end of the shell, wherein a file inlet and a file outlet are formed in the shell, a paper conveying mechanism is fixedly arranged on the side face, close to the file inlet, of the shell, two transmission rollers are rotatably connected to the rear side of the shell in the vertical direction, and a conveying belt is in transmission connection between the two transmission rollers. According to the automatic storage device, a turntable opening type file outer box structure is adopted, and the paper conveying mechanism stably inputs files into a specified file inner box, so that automatic quick boxing and storage of a single file are realized; a file outer box and the file inner box are of embedding structure, so that the possibility that thefiles in the file inner box fly out is reduced, and Meanwhile, rapid taking-out and safe storage of the files are achieved; and a translation type electric control auxiliary device is adopted, so thatthe automatic file management effect of the whole device is achieved.

The invention relates to the technical field of glass cleaning, and discloses a high-efficiency cleaning device. The high-efficiency cleaning device comprises a cleaning barrel, wherein openings are formed in the upper portion and the lower portion of the cleaning barrel correspondingly, a hollow conveying shaft is rotatably connected in the cleaning barrel, a spiral blade is fixed to the periphery of the conveying shaft, the upper part of the conveying shaft communicates with a water source, the lower end of the conveying shaft is fixedly connected with a driven gear, the driven gear meshes with a driving gear driven by a driving part, a plurality of cleaning groups are arranged on the cleaning barrel in the axial direction of the cleaning barrel, each cleaning group comprises a water spray head communicating with the conveying shaft and a plurality of gas nozzles located below the water spray head, and the gas nozzles are uniformly distributed in the axial direction of the cleaning barrel. The device is simple in structure, impurities on glass fragments are cleared in the cleaning process of the glass fragments, the repeated cleaning of the glass fragments is avoided, and the cleaning efficiency of the glass fragments is improved.

The invention belongs to the technical field of non-woven fabric production and manufacture, and particularly relates to a method for producing a non-woven fabric through gas stimulation. The method comprises the following steps of S1 carding, wherein carding is conduced on fiber raw materials, and a single-layer or multi-layer fiber web is formed; S2, web laying, wherein the fiber web is overlapped and spread, or the fiber obtained after carding is spread into the web through the airflow; S3, impregnating, wherein the fiber web is placed in a water tank for infiltration, or spraying, whereinwater is sprayed to the fiber web uniformly; S4, gas stimulation, wherein fibers in the fiber web are mutually entangled through airflow jet to form a cloth; S5, drying. Compared with spunlaced non-woven fabrics, the gas stimulation non-woven fabric does not need a large amount of high-pressure water except for a small amount of circulating water for the impregnated fiber web, special water treatment is not needed, energy conservation and environmental friendliness are better achieved, mechanical extrusion on the fiber web does not exist in gas stimulation production, and then the bulkiness ofa finished product is improved; the inherent softness of the fiber web is kept, the hand feeling is good, and the draping property is good.

The invention discloses a high-speed guardrail board with buffer function, which comprises upright posts, one side of the upright post is provided with a guardrail. A buffer deformation mechanism is connected between the upright post and the guardrail. The guardrail is composed of a plurality of corrugated bar plates connected by bolts in turn. A plurality of connecting devices are arranged at theconnecting positions of the two corrugated bar plates; the connecting device comprises a fixing device, hinges, deformation panels and control panels, the two ends of the deformation panel are respectively provided with control plates, the deformation panel and the control plate are connected with each other through hinges, the control plate is in the shape of a plate-shaped cuboid; the central part of the control board is provided with a wave hole, and the fixing device is connected with the inside of the wave hole. The invention enables a plurality of connecting devices to pull the two corrugated fence plates to be separated by the design of the connecting device, thereby reducing the probability of the automobile to run out of the highway, and improving the practicability and safety ofthe whole high-speed fence plate.

The invention discloses a flattening device and method for circuit board processing. The flattening device comprises a flattening platform, a flattening mechanism, a dust absorption mechanism and a detection mechanism. The flattening mechanism, the dust absorption mechanism and the detection mechanism are all located on the top surface of the flattening platform, and the dust absorption mechanismand the detection mechanism are located on two sides of the flattening mechanism. A circuit board penetrates through the dust absorption mechanism, the flattening mechanism and the detection mechanismin sequence. The method includes the steps of flattening platform processing, dust absorption mechanism installation, flattening mechanism installation, detection mechanism installation and circuit board flattening detection. According to the flattening device and method for circuit board processing, the circuit board that needs to be flattened can be dedusted, dust is prevented from sticking tothe surface of the circuit board during the flattening process, the circuit board is prevented from wrinkling and unwinding inequality in the manufacturing process, and the processing quality of the circuit board is improved. The flattening detection method of the circuit board is simple in steps, the automatic dust absorption, flattening and scanning of the circuit board can be realized, the phenomenon of wrinkling and unwinding inequality in the manufacturing process can be prevented, and the processing quality of the circuit board is improved.

The invention relates to a circulation type high-efficiency standard-improving system. The system at least comprises an anoxic tank, wherein the anoxic tank comprises a reaction vessel, a first liquidinlet used for introducing liquid from a regulating tank into the reaction vessel during operation, a second liquid inlet used for introducing liquid from an aerobic tank into the reaction vessel during operation, a liquid outlet, at least one gas aggregator, at least one gas-liquid separator, at least one ascending pipe and a descending pipe, wherein at least one gas aggregator is connected to the gas-liquid separator through the at least one ascending pipe, at least one gas aggregator is located in the liquid of the anoxic tank to collect gas generated in the liquid and transmit the gas tothe gas-liquid separator through the ascending pipe, and the descending pipe is connected to the gas-liquid separator to transmit the liquid in the gas-liquid separator downwards to the middle or bottom of the reaction vessel. The system provided by the invention can effectively reduce excess anaerobic bacteria flushed out from an overflow opening to stabilize load capacity of the anoxic tank.