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.

The invention discloses a drilling method for a circuit board. A small hole is primarily drilled for a hole with the aperture PhiX of more than or equal to 4.0mm, and then is secondarily drilled to form a large hole with the complete aperture, so that popping can be effectively reduced. Holes with the same aperture can be drilled at the same time, so that the drilling efficiency can be remarkably improved.

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 lateral reinforcement device for a road section prone to collapse and a reinforcement construction method. The lateral reinforcement device for the road section prone to collapse comprises a plurality of reinforcement structures and guard bars assembled between two adjacent reinforcement structures; the reinforcement structures comprise concrete pillars arranged under a road base course in a buried mode, and the concrete pillars are arranged in the transverse direction; one inner rod is fixed into each concrete pillar in a pouring mode, the left ends of the inner rodsare cut through, and the right ends of the inner rods are closed; extension rods are welded to the right end positions of the inner rods, when installation is carried out, the extension rods extend outside a mountain body; and a vertical baffle is arranged on the outer side of the road base course and abuts against the mountain body. The lateral reinforcement device aims at the road section neara cliff and reinforces a road section with loose geology, road supporting intensity is improved, and the landslide probability is reduced.

The invention relates to the related field of water-based paint processing, and discloses a dry-mixed mortar grinding device for water-based paint processing. The problems that the service life of the device is prone to being affected due to the fact that the device directly grinds raw materials, environmental pollution is caused due to the fact that flying dust is prone to being blown out of a feeding pipe in the processing process of the device, and when the device grinds dry-mixed mortar, some blocky dry-mixed mortar further exists in the ground dry-mixed mortar are solved. The device is composed of a crushing mechanism and a grinding mechanism. According to the dry-mixed mortar grinding device for water-based paint processing, dry-mixed mortar is put into a cylinder through a feeding pipe, then a motor rotates clockwise to drive a left worm to rotate, then a transmission gear on the side face of the left worm rotates to drive a right worm to rotate to pre-crush the dry-mixed mortar put into the cylinder, and the situation that the device directly grinds the dry-mixed mortar blocks through a grinding block, and the service life of the device is prone to being affected is avoided.

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 present invention relates to an environment-protecting thread-spinning wax ring and its preparation method, belonging to the field of physical treatment technology of fiber and threads. It is made up by using (by wt%) 0.1%-99.9% of plant wax, 0.1%-99.9% of paraffin wax and 0%-99.8% of vegetable oil through the processes of mixing, heating and moulding. Its heating temperature is 60-110 deg.C.

The invention relates to the technical field of building outer wall spraying, and discloses a building outer wall spraying device. The building outer wall spraying device comprises a base, a coating box, a protective cover, spraying equipment, recovering equipment and a recovering box, a supporting block is arranged on the base, a fixing column is arranged on the supporting block, a movable arm isrotationally connected with the fixing column, a knob is in threaded connection with the fixing column; a fixing piece is arranged on the movable arm and penetrates through the protective cover to beconnected with spraying equipment, the protective cover is rotationally connected with the fixing piece, an air pump and an exhaust fan are arranged on the coating box, a second adapter is arranged on the face, close to the coating box, of the protective cover, a third adapter is arranged on the spraying equipment and extends out of the protective cover, a second connecting pipe is arranged on the second adapter and communicates with the exhaust fan, and a third connecting pipe is arranged on the third adapter and communicates with the liquid outlet end of the air pump. According to the building outer wall spraying device, the safety performance is good, spraying is uniform, a gaseous coating in the spraying process is treated, a coating overflowing from a spray head is recovered, and thebuilding outer wall spraying device is more energy-saving and environment-friendly.

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 a downward exhaust pressure reducing device of a geomembrane. The device comprises a water layer (1), a soil layer (2), the geomembrane (3) and a soil layer (4); and an exhaust device comprises a superfine soil layer (5), a superfine sand grain layer (6), a hard medium gravel layer (7), a hard large gravel layer (8) and a medium uniform stone layer (9). The working principle of the device is as follows: the device is mainly applied to a leakage preventing dam body; the geomembrane (3) is arranged between the soil layer (2) and the soil layer (4); and the exhaust device is arranged in the middle of the geomembrane (3). The main function of the structure is to upwards exhaust high-pressure gas at the lower layer of the geomembrane (3) to the soil layer through the exhaust device. The hard large gravel layer (8) and the medium uniform stone layer (9) realize the gas collection and the support of the exhaust device; the superfine sand grain layer (6) and the hard medium gravel layer (7) realize upward dispersion of the gas and an exhaust channel; and the superfine soil layer (5) realizes the sealing of a sand layer to prevent upper moisture from downwards leaking.

The invention discloses an anti-collision assembly type steel bridge which comprises a pedal device, guardrail devices and supporting columns, the guardrail devices are fixed to the two corresponding sides of the top of the pedal device, a sliding plate is connected into a pedal body in a sliding mode, and a reset spring is fixed between the end of the sliding plate and the two corresponding sides of the interior of the pedal body. And the top end of the right-angle connecting rod is fixedly connected with one side of the surface of the guardrail device, the friction device is arranged between the top of the sliding plate and the two corresponding sides of the interior of the pedal body, and the friction device is close to the surface of the pedal body. The invention relates to the technical field of bridges. According to the anti-collision assembly type rigid bridge, the purposes of collision prevention and timely friction increase are achieved, buffering and impact force reduction are conducted in time, protection of the bridge and a vehicle is facilitated, the friction force is increased in time, the vehicle braking effect is improved, the situation that the vehicle rushes out of a guardrail is reduced, safety and reliability are achieved, potential safety hazards are reduced, and the using performance is improved.

The invention discloses an inclined valve bag packaging machine, which comprises a filling machine body support and a material bag platform support and further comprises an inclined bag holding mechanism, wherein the inclined bag holding mechanism is connected with the material bag platform support, and inclined filling of materials is achieved through the inclined bag holding mechanism. Accordingto the invention, inclined material filling is conducted on a material bag through the inclined bag holding mechanism, the filling rate is improved, the problems of material accumulation and materialleakage at the opening of the material bag are solved, the working environment is ensured to be clean, and the influence of material bag filling vibration on weighing is reduced. The material bag platform support is embedded into the filling machine body support, the material bag platform support and the filling machine body support do not make contact with each other and are not fixed to each other, detachment and movement can also be achieved after all parts are installed, and the modularization of the overall structure of the equipment is realized. The inclined valve bag packaging machineis easy to install and maintain, and the adjustment is convenient and quick, so that the machine can still be easily operated in a complex mechanical structure and a compact installation environment.

The invention discloses a fireproof roller shutter door with high safety. The roller shutter door comprises a wall body, a shell, a rotating shaft, spring shells, volute spiral springs, a door plate,slide blocks, a protection strip, a U-shaped plate, a clamping plate, a threaded rod, a rotary knob and a T-shaped block. One side of the wall body is fixed with the shell. The bottom of the shell isopened. The rotating shaft is fixed in the shell. The two ends of the rotating shaft are symmetrically and rotatably connected to the spring shells through bearings. The volute spiral springs are arranged on the inner walls of the spring shells. One end of each volute spiral spring is fixedly connected to the rotating shaft and the other end of each volute spiral spring is fixedly connected to each spring shell. The outer sides of the two spring shells on the rotating shaft are fixed with the door plate. The two sides of the door plate are equidistantly fixed with the slide blocks. The two adjacent slide blocks on the door plate are rotatably connected through a hinge. One end of the door plate, which is far away from the spring shells, is fixed with the protection strip. By using the fireproof roller shutter door with high safety, the probability of the door plate which is being damaged by high winds can be reduced, the safety is increased, construction is simple, cost is low and people can conveniently use the fireproof roller shutter door.

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 a dust-removal airflow circulation system for rabbit hair carding, and belongs to the field of rabbit hair processing equipment. The system comprises a workshop body with doors and windows closed and a plurality of carding machines arranged in the workshop body. The system includes the following technical key point: a humidifying device is arranged in the workshop body, and the humidifying device comprises a plurality of nozzles arranged on the top of the workshop body for increasing air humidity and a water pipe connected with a plurality of the nozzles. The humidifying device is arranged in the workshop body, so as to enable the humidity of the air in the workshop body is improved under the action of the nozzles, thereby reducing the generation of static electricity, preventing rabbit hair from being adsorbed on machines and improving the carding efficiency of rabbit hair.

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 an automobile parking warning board. The 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, a fixing block is connected with the lower part of the supporting rod, and a supporting frame is arranged on the fixing block; the supporting rod is rotationally connected with the supporting frame; a weight is arranged at the lower end of the supporting rod, and the mass of the weight is larger than that of the warning board above the connecting position of the supporting rod and the supporting frame. With the adoption of the structure, the triangular warning board has a better warning effect; and the board bodies constituting the triangular warning board can rotate when the triangular warning board with the structure is blown by wind, the stressed area of the triangular warning board is reduced through rotation, accordingly, stress suffered by the triangular warning board due to wind blowing is reduced, and the possibility that the triangular warning board is blown to be broken is reduced.

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 lateral reinforcement device and a reinforcement construction method for an easily-collapsed road section, which comprises a plurality of reinforcement structures and guard rails assembled between two adjacent reinforcement structures; the reinforcement structure includes a Concrete column, the concrete column is arranged horizontally, and an inner rod is poured and fixed inside the concrete column, the left end of the inner rod is penetrated, and the right end is closed, and an extension rod is welded at the right end of the inner rod. At the same time, the extension rod extends to the outside of the mountain, and a vertical baffle is arranged on the outside of the road base, close to the mountain; the present invention is aimed at the cliff-side road section, and the road section with soft geology is reinforced to increase the support strength of the road surface and reduce the probability of landslides .

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.

The invention provides an automobile air conditioner air leakage prevention structure. The structure comprises an air conditioner lower shell, wherein a drainage pipe is arranged on the air conditioner lower shell, a drainage port is formed in a sealing rib making contact with an evaporator, a blocking part is arranged on the side right opposite to the drainage port, and a distance between the blocking part and the drainage port is controlled to be 7-12 mm. The structure is advantaged in that the flow direction of air can be changed through the blocking part, the air side flow is guided, the air is prevented from being directly blown out of the drainage port and the drainage pipe, air loss is reduced, and refrigeration performance is optimized.