50results about How to "Effective shedding" patented technology

The invention provides a paint removing method and paint removing equipment for a surface of a metal hanging rack. Liquid-nitrogen soaking and metal particles are utilized to perform paint removal treatment on a paint resin coating on the surface of the metal hanging rack, so that the problem that paint removing effect is poor and environmental pollution is caused due to the fact that the metal hanging rack adopts an existing paint removing method is solved. The paint removing method comprises a liquid nitrogen soaking step and a multi-stage variable-frequency particle colliding step; the paint removing equipment comprises a ring-shaped rail, a self-propelling car, a liquid nitrogen slot, a metal particle impact bin and a control system; the ring-shaped rail is horizontally suspended above the liquid nitrogen slot and the metal particle impact bin; liquid nitrogen is contained in the liquid nitrogen slot; the self-propelling car is arranged on the ring-shaped rail, and can move along the ring-shaped rail; and the self-propelling car is equipped with a clamping mechanism used for clamping the metal hanging rack, a hoisting mechanism used for controlling the clamping mechanism to move up and down, and a drive mechanism used for driving the metal hanging rack to rotate along the longitudinal central shaft thereof.

The invention particularly relates to a cold-rolled steel strip push-pull dust collection device. The technical proposal is as follows: the device consists of upper nozzles (1), lower nozzles (2) and a suction hood (3). 1-3 upper nozzles (1) and 1-3 lower nozzles (2) are respectively arranged above or below the same side of a steel strip (4), the setting angle of the upper nozzles (1) and the lower nozzles (2) is adjustable, and the upper nozzles (1) and the lower nozzles (2) are connected with a compressed air source by pipelines; the suction hood (3) is arranged at the other side of the steel strip (4) and opposite to the upper nozzles (1) and the lower nozzles (2), and the suction hood (3) is connected with a dedusting pipeline. The gauge pressure of the compressed air source is 0.05-2MPa; the setting angle of the upper nozzles (1) and lower nozzles (2) includes that the vertical plane included angle alpha is 0-80 degrees, and the horizontal plane included angle beta is 15-165 degrees. The dust collection device has the advantages of good effect of collecting iron scale dusts on the steel strip surface, low energy consumption, simple structure and reliable operation.

The invention provides a material bearing platform which comprises an electric control device, a base, a lifting support, a supporting platform and a bearing platform, wherein the supporting platform comprises a framework, supporting column bodies for supporting the framework and a plurality of rollers, wherein the rollers are mounted on the framework in a parallel spaced way and form a rolling plane; the support column bodies are arranged on the circumferential edge of the framework and are perpendicular to the rolling plane; a plurality of bearing bodies are arranged on the bearing platform, are arranged in a parallel spaced way and form a bearing plane; the lifting support is used for supporting the bearing platform; the support column bodies are abutted against the base; the supporting platform is supported above the bearing platform; the bearing bodies are respectively positioned at positions among the rollers; the electric control device is used for controlling the lifting support to drive the bearing platform to ascend and jack the bearing platform. The bearing bodies ascend from the positions among the rollers, so that the formed beating plane is higher than the rolling plane.

The invention provides an ore dressing and magnesium reduction method of copper-nickel sulfide-platinum-group metal ores. The ore dressing and magnesium reduction method is characterized by comprising the following steps of carrying out ore grinding and flotation on raw ores to obtain rough concentrate; regrinding the rough concentrate, carrying out heating and acid leaching pretreatment; and filtering and washing the pretreated rough concentrate, mixing pulp, and then carrying out flotation to obtain copper-nickel-platinum group bulk concentrate products with low magnesium content. The ore dressing and magnesium reduction method provided by the invention is feasible in technology, economic and reasonable. Compared with a conventional ore dressing and magnesium reduction technology, the ore dressing and magnesium reduction method has the characteristics of remarkable magnesium reduction effect, environmental protection and easiness for operation. The ore dressing and magnesium reduction method is suitable for basic-ultrabasic rock type copper-nickel sulfide-platinum-group metal ores and layered magnesium-iron accumulative rock type independent platinum-group ores.

The invention discloses a method for recycling calcium-rich pyrochlore from weathered high-mud carbonate type niobium polymetallic ore. The method comprises the following steps: at first, stirring andscrubbing are adopted to fall off fine silt adhered to the surface of mineral, spiral tailing discarding and desliming are then adopted to obtain rough concentrate, ore grinding flotation is carriedout on the rough concentrate to obtain phosphorus concentrate, floating phosphorus tailing is adopted to carry out flotation on the calcium-rich pyrochlore to obtain niobium concentrate, and recyclingphosphorus in the niobium concentrate at the same time. According to the method, the technological process combining reselection, reverse flotation and direct flotation is adopted, reverse flotationis adopted to recycle apatite to obtain phosphorus concentrate, direct flotation is adopted to recycle calcium-rich pyrochlore to obtain the niobium concentrate product, the adaptability is high, andthe obtained niobium concentrate is higher in grade and recovery rate. Spiral reselection realizes separation of niobium mineral, iron mineral, phosphorus mineral and low-density gangue, reaches the desliming effect and obtains niobium, iron and phosphorus rough concentrate with higher grade; and reverse flotation effectively removes apatite to prevent apatite from interfering with the direct flotation pyrochlore, and the phosphorus concentrate product is obtained at the same time.

The invention aims at providing an auxiliary frame mounting point structure. The auxiliary frame mounting point structure can realize drop in a collision process and reduce harm on a passenger in a passenger compartment. The auxiliary frame mounting point structure comprises an auxiliary frame provided with a mounting support and a longitudinal beam. The auxiliary frame mounting point structure is characterized inthat an internal screw thread sleeve with the bottom end open is fixed on the longitudinal beam; the mounting support is composed of a tubular support body with the two ends open and a cap body fixedly arranged at the top end of the support body, gaps corresponding in position are formed in the front end of the cap body and the front end of the upper part of the support body, a guide slot connected with the gaps is formed in the cap body, and the guide slot extends along the length direction of an automobile; and the auxiliary frame is fixedly connected with the longitudinal beam by utilizing a bolt which penetrates through the support body and the cap body and is screwed into the internal screw thread sleeve, and an anti-drop part with the diameter larger than the width of the guide slot is arranged at the bottom end of the bolt. The auxiliary frame mounting point structure has the advantages that the auxiliary frame can drop in the collision process and harm done to a passenger can be reduced.

The pressure stabilizing filter tube with double air cushion layer and independent water distribution and air distribution set transversely in filter has semi-circular upper part, rectangular lower part and middle part separated with partition board into one upper air distributor and one lower water distributor. The air distributor has residual air releasing hole in the top, back flushing air releasing holes in the side walls and balance holes in the root of side walls. The bottom plate of the filter tube, i. e., the water distributor, is provided with water distributing holes. The air distributing duct penetrating the partition board between the air distributor and the water distributor has residual air releasing hole and air inlet slot. The present invention has low power consumption, capacity of raising water quality and high operation efficiency.

The invention relates to the field of drilling machines, in particular to a drill rod connecting device. The drill rod connecting device includes a female joint and a male joint, the male joint is fixed to an end socket of a drill rod, and the female joint is fixed to a drilling machine; the male joint is of a polygon cylinder structure, a ladder hole for containing the male joint is formed in thecenter of the female joint, and the ladder hole includes a polygon hole segment and a threaded hole segment; the polygon hole segment is located at one side close to the drilling machine, the hole diameter of the threaded hole segment is larger than that of the polygon hole segment, and the shapes of the polygon hole segment and the cross section of the male joint cylinder are consistent and thesizes are identical, a rod body of the drill rod is sleeved with a threaded sleeve, and one end of the barrel is placed in the threaded hole segment and forms a thread fit with the threaded hole segment. The male joint is connected to the female joint, and the fixing of the drill rod can be achieved by tightening the barrel. The cooperative relationship of polygon bore logs between the male jointand the female joint can provide positive torque and reverse torque, and the problem that the drill rod is prone to falling off when the drilling machine reversely rotates is solved.

The invention belongs to the technical field of waterproof coatings, and in particular, relates to a preparation method of a high-temperature-resistant polyurea elastic flame-retardant waterproof coating. The polyurea elastomer coating prepared by the preparation method disclosed by the invention has the advantages of high solid content, greenness, environmental friendliness, thick, compact and flexible coating film, strong adhesive force with a substrate, excellent ultraviolet resistance, impact resistance and the like, and simplicity and convenience in construction, adopts vinyl ester resinto modify a polyurea coating, and does not contain any hydroxyl component or catalyst. The reaction activity of an amino-terminated compound and an isocyanate component is extremely high, no catalystis needed, the high temperature resistance of the coating is further improved, and the coating has a good application prospect.

The invention relates to a welding method and welding structure of lithium ion battery covers. The welding method comprises a step that a cathode lug is welded on a pore plate of a cover; during welding, a laser-beam welding machine is used for generating a laser light, the laser light melts the cathode lug and the pore plate, and the cathode lug and the pore plate are connected together after being cooled; the welding method is characterized in that two or more solder joints are formed, any two adjacent solder joints partially coincide with each other, and all the solder joints are linearly arrayed; heat generated when the first solder joint is formed by welding can produce a high temperature around solder joints to pre-heat the cathode lug, so that excessive energy is not needed in the area where the second solder joint is formed by welding, the welding is easier, and the subsequent solder joints can utilize the heat generated by the previous soldering joints; the welding machine moves in only one direction. According to the welding method and the welding structure of the lithium ion battery covers, the welding strength of battery covers and lugs is obviously improved, the production difficulty of lithium ion batteries is reduced, and the production efficiency of lithium ion batteries is improved.

The invention discloses an environmental-friendly waterborne polyurethane coating and relates to the technical field of waterborne coatings. The environmental-friendly waterborne polyurethane coatingis prepared from the following components: tetrasilanol sodium salt modified polyurethane emulsion, nano calcium carbonate, diatom ooze, hollow glass beads, potassium trimethylsilanolate, vinyl versatate, inorganic salt powder, a wetting agent, an antifoaming agent, a dispersing agent and a thickening agent. The environmental-friendly waterborne polyurethane coating prepared from the invention hasexcellent scrubbing resistance, stain resistance and artificial aging resistance.

The invention relates to the field of water treatment in factory recirculating aquaculture system, in particular to a tracked microstrainer capable of filtering out suspended particles in water. The tracked microstrainer comprises a frame arranged in a water tank, and is characterized in that a hood is arranged at the upper end of the frame, a first supporting roller and a second supporting roller are arranged at the bottom of the frame, a third supporting roller is arranged at the bottom of the frame, and a fourth supporting roller and a fifth supporting roller are arranged in the middle of the frame; the inner side of filter cloth bypasses the first supporting roller, the second supporting roller, the third supporting roller and the fourth supporting roller, and the fifth supporting roller clings to the outer side of the filter cloth, so that the filter cloth is in a tightened state and in the shape of an inverted step; the third supporting roller is connected with a motor, and the motor drives the third supporting roller to rotate, so that circulating transmission of the filter cloth is achieved. The tracked microstrainer has the advantages that through one-side filtration, a built-in backwashing device, a plurality of sewage sumps and a plurality of drain outlets, the suspended particles in a water body can be removed effectively while secondary pollution is avoided effectively, and the tracked microstrainer is excellent in effect, low in purchasing, use and maintenance cost and the like.

The invention relates to the technical field of carton processing equipment and discloses a dust collecting device for carton processing. The dust collecting device comprises a connecting frame; the connecting frame is provided with an active wheel, a slave wheel, a motor, an air suction fan, a dust collecting box and a friction wheel; a first conveyor belt is arranged between the active wheel and the slave wheel; a first belt is arranged between the motor and the active wheel; scrapers are arranged on the friction wheel and are distributed at intervals; concave holes are formed between the adjacent scrapers; the friction wheel is provided with glue boxes, a material storage box, dust collecting pipes and the glue dropping pipes; the dust collecting pipes communicate the concave holes with the material storage box; a discharging pipe is connected between the material storage box and the dust collecting box; first external convex cavities are formed in the dust collecting pipes, and first pistons are arranged inside the dust collecting pipes; air suction pipes are arranged between the first external convex cavities and the air suction fan in a communicating mode; valves comprising control plates are arranged on the air suction pipes; the control plates extend toward the first external convex cavities; the glue dropping pipes communicate the concave holes with the glue boxes; and second pistons are arranged in the glue dropping pipes, and second external convex cavities are formed in the glue dropping pipes. According to the dust collecting device for carton processing, in paper plate polishing, paper scraps can be effectively collected.

The invention provides a health care composition for whitening and freckle removal, which comprises the following components: 12-16 parts by weight of aloe, 4-8 parts by weight of tartaric acid, 6-10 parts by weight of radix angelicae, and 8-12 parts by weight of white poria cocos. The composition of the invention effectively combines the above components to play a synergistic role, can effectively realize whitening and freckle-removing effects, and also has other disease-treating and health-preserving efficacy.

The invention discloses a uniform throwing device for an environment-friendly organic fertilizer, and belongs to the technical field of fertilizer throwing. The uniform throwing device comprises a supporting mechanism; a throwing mechanism is fixed to the top of the supporting mechanism; a discharging mechanism is fixed to the throwing mechanism and located over the throwing mechanism; a material returning mechanism fixedly communicates between the throwing mechanism and the discharging mechanism; the throwing mechanism comprises a box body and a first end plate, and a first supporting plate is fixed to one surface of the box body; a throwing groove is formed in the top of the box body; and a first supporting plate is fixed to one side face of the box body. A plurality of fixing plates distributed in a circular array mode are fixed to the outer wall of a first through pipe, a plurality of partition plates are fixed between every two adjacent fixing plates, and the heights of the partition plates are gradually decreased from the middle to the two ends, so that organic fertilizer falling from the discharging mechanism can move towards the two ends of the first through pipe along the middle of the first through pipe to be uniformly distributed among the partition plates, so that the organic fertilizer can be effectively thrown under the action of air blowers.

The invention discloses hair-blacking and hair-dressing royal jelly hair care cream with low cost and lasting effect. The royal jelly hair care cream comprises raw materials in parts by weight as follows: 20-60 parts of royal jelly, 2-10 parts of bee pollen, 1-4 parts of colostrum, 5-12 parts of walnut kernels, 2-7 parts of ginger, 5-15 parts of beer, 1-4 parts of rapeseed oil, 1-4 parts of mannose glycoprotein, 10-30 parts of edible alcohol and 1-6 parts of a Chinese herb extract, wherein the Chinese herb extract comprises raw materials in parts by weight as follows: 2-6 parts of ginseng, 2-10 parts of liquorice root, 5-15 parts of common yam rhizome, 2-7 parts of safflower, 10-20 parts of weeping forsythia capsule, 3-8 parts of fleeceflower root, 1-4 parts of camphorwood, 5-15 parts of fructus lycii, 2-16 parts of honeysuckle flower, 8-16 parts of dahurian angelica root, 2-10 parts of clove, 1-4 parts of scrophularia root, 2-8 parts of Chinese angelica and 10-20 parts of argy wormwood leaf. The royal jelly hair care cream is reasonable in compatibility, rich and balanced in nutrition, stable in storage, convenient to use, low in cost, accurate in clinical effect and remarkable in effect, is absorbed easily by hair and hair follicles, can realize hair blacking and hair dressing and takes effect quickly.

The invention provides a rapid particle medicine preparation device based on ovarian malignant tumors, belongs to the technical field of medicine preparation devices, and aims to solve the problem that hands of people are easily injured when a discharge port in an existing stirring type preparation device is dredged. The device comprises a framebody; a stirring tank body is fixed at the upper part of the frame body; the lower end of the stirring tank body is of a conical structure, a cleaning pipe fitting is arranged at the upper end in the stirring tank body, and the cleaning pipe fitting is of an annular metal structure; a knocking part is arranged at the upper part of the front side of the frame body. Through cooperation of the transmission part and the knocking part, when the rotating shaft of the stirring motor rotates clockwise, the circular knocking block at the left end of the knocking part is driven to perform reciprocating knocking operation on the vibrating plate, so that granular medicine blocked in the discharge port is effectively dropped, manual cleaning is not needed during dredging, and thus the efficiency of dredging is improved. The dredging is simpler and more convenient, and the hands of cleaning personnel cannot be injured.

The invention discloses a restaurant waste water treatment device capable of uniformly aerating, increasing oxygen and promoting activity. The structure of the device comprises a treater, an upper cover, a handle, a flange plate, a water draining pipe, a supporting pipe, a waste water pipe, a supporting frame and a connecting pipe, wherein the upper surface of the treater clings to the lower surface of the upper cover; the treater comprises a housing, a supporting rod, a liquid outlet port, a filler, an oxygen promoting separating device and a water inlet. The device has the beneficial effectsthat the water pressure is increased under the effects of a biological film growing pipe and a reaction pipe, so that the water scouring force is increased, and the probability of blockage is effectively reduced; fillers can be effectively dredged under the effect of the separating device, and an aged biological film can be separated, so that the growing space for a new biological film is effectively expanded; oxygen can be uniformly effectively supplied through an aerator, so that sufficient oxygen is supplied to the biological film, and the biological film growing power is improved; the activity of the biological film is promoted; and the effect of the biological film in treating restaurant waste water is effectively improved.