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335results about How to "Reduce dripping" patented technology

Bionic filter screen applied to range hood

The invention relates to a bionic filter screen applied to a range hood. The bionic filter screen is arranged at a smoke cage hood at the lower end of a main engine of the range hood, and positioned at an air inlet at the upper end of an oil cup; a draught fan system provided with an air outlet is mounted in the main engine; the bionic filter screen is served as a big-end-up or big-end-down conical, rectangular conical or tetragonal conical metal thin shell; oil guide stems, oil trap stems and meshes are arranged on the bionic filter screen; the meshes take the shapes of parallelograms and are distributed with the oil guide stems with included angles; a plurality of the meshes are orderly and parallelly arranged at the upper and lower positions of the oil guide stems as well as symmetrically arranged at the left and right positions of the oil guide stems; the oil guide stems and the meshes are assembled as units and orderly distributed around the conical body of the bionic filter screen completely or partially; and the oil guide stems are parallel to the height h of the conical body of the bionic filter screen. The bionic filter screen provided by the invention is excellent in oil smoke trap, oil guide, resistance to oil dropping, resistance to oil hanging, and processing economy.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD

Halogen-free flame retardant PES (Polyether Sulfone) natural color hot melt adhesive and preparation method thereof

The invention relates to a halogen-free flame retardant PES (Polyether Sulfone) natural color hot melt adhesive and a preparation method thereof, belonging to the technical field of environment friendliness of flame retardant hot melt adhesives. The preparation method comprises the following steps of: with a PES hot melt adhesive as matrix resin, with an intumescent flame retardant system consisting of ammonium polyphosphate, pentaerythritol and melamine as an intumescent flame retardant as well as with a 4A molecular sieve as a synergist, uniformly mixing the intumescent flame retardant with the synergist and then uniformly mixing with the PES hot melt adhesive to obtain a mixed material; extruding and granulating the mixed material by using twin screws; and carrying out injection molding and forming by using an injection molding machine to obtain the halogen-free flame retardant PES natural color hot melt adhesive. The halogen-free flame retardant PES natural color hot melt adhesive prepared by the preparation method disclosed by the invention has the advantages of high flame retardant efficiency, low smoke generation amount, few drops, favorable compatibility and favorable processing performance and forming performance of the adhesive film; and the halogen-free flame retardant PES natural color hot melt adhesive is suitable for fields of fire safety protection and preparation of conducting fabric as a shielding material for electronic apparatuses, clothing industry, traffic communication, and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Roller for water-based paint

The invention discloses a roller for a water-based paint. The roller comprises brush bristles, wherein a paint storage roller is arranged in the brush bristles, a cavity is formed in the paint storageroller, a supporting shaft hole is formed in the center of the paint storage roller, a supporting shaft rod is rotatably plugged and connected in the supporting shaft hole, one end of the supportingshaft rod is downward bent to be connected with one end of a handle, an arc-shaped groove is formed in the inner wall of the upper side of the paint storage roller, material leaking holes are formed in the side wall of the paint storage roller outside the arc-shaped groove, an arc-shaped clamping plate is connected to the inner wall of the lower side of the paint storage roller through a spring, amagnet is arranged on the lower end face of the arc-shaped clamping plate, and an electromagnet is arranged on the inner wall of the lower side of the paint storage roller. The roller for the water-based paint is reasonable in structure and good in practicability, the paint storage roller can store coatings, dipping times are decreased, coating dropping is decreased, opening and closing of the arc-shaped clamping plate can be controlled by arranging the electromagnet and magnet, discharging of the paint in the paint storage roller is controlled, the roller is very convenient, and high positions of wall faces or ceilings can be coated by arranging an lengthened rod.
Owner:TIANJIN BAOLIJIE CO LTD

Super-hydrophobic coating material, a preparation method thereof, a super-hydrophobic coating and preparation method thereof

The invention discloses super-hydrophobic coating material and a preparation method thereof, and discloses a super-hydrophobic coating and a preparation method thereof. The super-hydrophobic coating material is prepared from the following raw material components in parts by mass: 10-30 parts of a curing agent, 10-30 parts of epoxy resin, 80-120 parts of polytetrafluoroethylene powder, 0-10 parts of fluoropolymer, 10-30 parts of zinc oxide and 40-80 parts of a solvent, wherein the curing agent is prepared by carrying out a fluorination reaction on diethylenetriamine and heptafluorobutyric acidin a mass ratio of 1:2. The super-hydrophobic coating is prepared from the super-hydrophobic coating material. The super-hydrophobic coating material has the advantages of excellent super-hydrophobicperformance, strong weather resistance and the like, can be used for preparing the super-hydrophobic coating, and has relatively high use value and a relatively good application prospect. The preparation method of the super-hydrophobic coating has the advantages of being simple in process, convenient to operate and the like, can prepare the super-hydrophobic coating with excellent self-hydrophobicanti-icing performance on a large scale, and facilitates industrial application.
Owner:国家能源集团龙源江永风力发电有限公司

High-temperature-resistant soft bulk-shielding instrument cable for maritime oil and gas engineering and manufacturing method thereof

The invention relates to a high-temperature-resistant soft bulk-shielding instrument cable for maritime oil and gas engineering and a manufacturing method thereof. The cable is characterized in that a chemical cross-linked polyolefin insulation layer is extruded at the periphery of a tin-plated annealed stranded copper conductor to form a power cable insulation wire core; every two insulation wire cores are twisted to form twisted wire pairs, and the twisted wire pairs are stranded to form a cable core; the periphery of the cable core is successively wrapped with a copper foil polyester composite tape shielding layer and a polyester tape; and the periphery of the polyester tape is successively provided with an extruded inner sheath, a clad copper alloy wire weaving armor layer, a wrapped water-proof wrapping tape, and an extruded outer sheath. The insulation layer is prepared from the following raw material components: 12 parts of ethylene / vinyl acetate copolymer, 6 parts of high density polyethylene, 2 parts of ethylene-methacrylic acid copolymer, 0.5-1 part of cross-linking agent DCP (Dicumyl Peroxide), 0.4-0.9 part of antioxidant 1076, 0.2-0.4 parts of antioxidant DNP, 0.2-1 part of lubricant stearic acid, 25-30 parts of aluminum hydroxide, 0.6-1 part of red phosphorus, and 0.05-0.1 parts of ultraviolet ray absorber UV-326. The insulation layer of the cable is excellent in high-temperature resistance and ageing resistance, and long in service life.
Owner:JIANGSU YUANYANG DONGZE CABLE

Staggered maze cooling reaction still magnetic liquid sealing device

The invention discloses a staggered maze cooling reaction still magnetic liquid sealing device and belongs to the field of mechanical engineering sealing. The problem that when existing magnetic liquid sealing devices are used on reaction stills, due to the fact that organic solvent vapor in the reaction stills has a corrosion function on magnetic liquid, the sealing devices are short in service life and prone to losing efficacy is solved. The device is composed of a magnetic liquid sealing assembly, a movable ring (17), a fixed ring (2) and a positioning ring (5). The fixed ring (2) is low in temperature and good in thermal conductivity, a groove is formed in an inner circle of the movable ring (17), and the movable ring (17) is poor in thermal conductivity, so that the fixed ring and the movable ring form a staggered maze, and liquefying of the organic solvent vapor is facilitated. The upper end face of the fixed ring (2) and the upper end faces of sealing teeth of the fixed ring (2) are inclined faces inclining towards a rotation shaft (15), and thus the liquefied organic solvent vapor flows downwards advantageously. The temperature of fixed ring cooling liquid is 11-15 DEG C lower than that of pole shoe cooling liquid, and liquefying of the organic solvent vapor on a pole shoe is reduced advantageously. The problem that the sealing devices are short in service life due to corrosion of organic solvent vapor to magnetic liquid is successfully solved.
Owner:BEIJING JIAOTONG UNIV

Wall surface whitewashing equipment

The invention relates to wall surface whitewashing equipment. The wall surface whitewashing equipment comprises a moving frame, and a whitewashing device and a feeding device are arranged on the moving frame; the whitewashing device comprises a supporting frame on the moving frame, a traction mechanism on one side of the supporting frame and a whitewashing mechanism driven by the traction mechanism to move up and down along the supporting frame; the feeding device comprises a feeding mechanism for supplying coating for the whitewashing mechanism and an adjusting mechanism arranged on one sideof the feeding mechanism and used for adjusting the feeding pressure; and the whitewashing mechanism comprises a whitewashing roller, a switching mechanism is further arranged at the position of the whitewashing mechanism, when the whitewashing mechanism moves upwards, the switching mechanism controls the coating to be sprayed to the whitewashing roller from the upper right part, and when the whitewashing mechanism moves downwards, the coating is controlled to be sprayed to the whitewashing roller from the lower right part. According to the wall surface whitewashing equipment, the problems that the coating supplied onto the surface of the whitewashing roller is prone to drippage and causes waste and pollution on the equipment and the bottom face, the sprayed part coating cannot be whitewashed on the wall surface and water evaporation is prone to occurring to affect the performance, and the coating spraying amount affected by gravity is uneven when whitewashing is carried out at different height positions are solved.
Owner:东营硕明信息技术有限公司

Fluidized bed furnace device for circularly roasting molybdenum concentrates and method for using same

InactiveCN102653821AFully roasted oxidation reactionIncrease heat productionFluidised-bed furnacesFluidized bedFlue gas
The invention discloses a fluidized bed furnace device for circularly roasting molybdenum concentrates, which comprises a fluidized bed furnace, a dust collection system, a flue gas recycling system, an air supply system, a feeding system and a discharged-material packing automation system, wherein the discharged-material packing automation system is connected to a discharge outlet of the fluidized bed furnace; the dust collection system and the feeding system are both connected to a feed inlet of the fluidized bed furnace; the air supply system is connected to an air chamber of the fluidized bed furnace, and is composed of a Roots blower, a heating facility and a facility capable of indicating and controlling the pressure and air inflow volume in the air chamber; and the feeding system can uniformly and continuously feed molybdenum concentrates with sizes of 20-200 meshes into the fluidized bed furnace according to a given amount. The invention also discloses a method for using the fluidized bed furnace device for circularly roasting molybdenum concentrates, through which molybdenum concentrates are in full contact with enough oxygen, so that an effect of supplying heat without using an external heat source in the roasting process of molybdenum concentrates is achieved, and high-dissolubility molybdenum oxides of which the soluble molybdenum content is greater than 98% can be efficiently produced, therefore, the method is storing in production capacity; and the concentration of SO2 in roasting in flue gas can reach 4%.
Owner:CHINA MOLYBDENUM

Automatic brushing machine for interior wall paint

InactiveCN104368501BReduce drippingReduce or even completely avoid drippingLiquid surface applicatorsBuilding constructionsConductor CoilPulley
The invention discloses an automatic interior wall coating brushing machine which comprises a trolley driven by a first power machine, wherein a frame-shaped guide rail is arranged on the trolley; at least one fixed pulley is arranged on the top of the frame-shaped guide rail; a rope winding wheel which is driven by a second power machine and is wound with a steel wire rope is arranged at the bottom of the frame-shaped guide rail; a drum handle support is arranged between the fixed pulley and the rope winding wheel by virtue of a roller shaft with rollers at two ends; a connecting part which extends out of the frame-shaped guide rail and is provided with a mounting hole is arranged on the drum handle support; one end of the steel wire rope bypasses the rope winding wheel and is connected with the connecting part of the drum handle support, and the other end of the steel wire rope bypasses the fixed pulley and is connected with the connecting part of the drum handle support; a rolling brushing head is arranged on a coating conveying spindle which is communicated with a coating container by virtue of a power pump in a sleeving manner; and the coating conveying spindle is arranged in the mounting hole of the connecting part of the drum handle support by virtue of a drum handle. Compared with the prior art, the automatic interior wall coating brushing machine disclosed by the invention has the advantages that the problems that manual operation is needed in the process of performing roller coating with an interior wall coating and the working efficiency is low at present can be solved.
Owner:NANNING COLLEGE FOR VOCATIONAL TECH

Biscuit surface oil spraying device

The invention discloses a biscuit surface oil spraying device. The biscuit surface oil spraying device comprises a machine frame. A conveying device used for conveying biscuits is arranged on the machine frame. According to the technical scheme, the biscuit surface oil spraying device is characterized in that an oil throwing device is arranged on the portion, located above the conveying device, of the machine frame, the oil throwing device comprises a rotating shaft arranged on the upper portion of the machine frame, an oil throwing plate with an inclined and upward opening is arranged at one end of the rotating shaft, the other end of the rotating shaft is connected with a driving device for driving the rotating shaft to rotate, and the machine frame is provided with an oil spraying device for spraying oil on the middle of the oil throwing plate. According to the biscuit surface oil spraying device, oil spraying is achieved in the oil throwing plate oil throwing mode instead of an existing high-pressure pipeline oil spraying mode; meanwhile, oil is evenly sprayed to surfaces of biscuits through the cooperation with the automatic conveyor line work, the appearance color and luster and the taste of biscuits are ensured, the energy consumption is lowered, and the oil leakage is reduced.
Owner:中山市顶盛食品机械有限公司
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