209results about How to "With pressure" patented technology

The invention relates to a polyether-ether-ketone composite material which consists of polyether-ether-ketone, nanoparticles, filling materials and addition agent materials. The composite material comprises 75 to 95 portions of polyether-ether-ketone powders, 5 to 10 portions of the nanoparticles, 10 to 20 portions of the filling materials and 2 to 5 portions of the additive agents by weight. The filling materials are glass fiber, carbon fiber, quartz powder and MoS2 or toner. A method of compression moulding forming adopted is that: materials is prepared according to the formula; materials are mixed: the materials prepared according to designed requirements poured into an automatic material mixing machine for evenly mixing, the mixing time is between 0.5 minute and 3 minutes, then compressing process is carried out, and the blended mixture is sent to a mould cavity for moulding. The material can be used for sealing materials products. Various valve sealing elements produced by the invention has properties of creep resisting, corrosion resistance, heat resistance and pressurization, etc.; the ability of pressurization and wear resistance of the material are improved, and at the same time the cost is lowered by 10 to 20 percent or even higher, thus being beneficial to using and promotion of the materials.

The invention relates to a movable split-type refuge chamber, belonging to the technical field of life saving apparatus. The movable split-type refuge chamber is characterized by comprising a transfer chamber, a main chamber and an auxiliary chamber; the movable transfer chamber and the main chamber which are combined by sealing joints and the movable auxiliary chamber and the main chamber which are combined by sealing joints form the refuge chamber; a transfer chamber body is provided with a front chamber door, the main chamber body is provided with a side chamber door, and the auxiliary chamber is provided with a life saving chamber door; and the refuge chamber is provided with an environment monitoring device, a power supply, a communication telephone, an oxygen gas steel cylinder and/or a food storage device. The movable split-type refuge chamber has the advantages of collapse resistance, gas explosion resistance, sealing of the influx of underground noxious gas, adjustment of temperature and humidity, automatic oxygen supply, free arrangement and combination, favorable air tightness and heat insulation effect, simpleness of installation, convenience and flexibility, investment saving, and ability to provide a set of complete life assurance system for escaping persons on site, and the like.

The invention provides a low-temperature PPR (Polypropylene Random Copolymer) pipe which is prepared by uniformly mixing PPR resin, polyethylene and an impact modifier in a certain proportion as raw materials, and extruding by an extruding production line, wherein the weight parts of the PPR resin, the polyethylene and the impact modifier are as follows: 100 parts of the PPR resin, 1-20 parts of the polyethylene and 1-20 parts the impact modifier. The low-temperature PPR pipe disclosed by the invention has higher low-temperature resistance, does not become fragile at a low-temperature environment and can be used at a temperature in a range of minus 10 DEG C to 95 DEG C. The low-temperature PPR pipe has the characteristics of strong toughness, impact resistance, pressure resistance, obvious low-temperature resistance and the like; the application range is greater than that of a common PPR pipe; and the low-temperature PPR pipe adapts to various complicated environments and the cost is saved.

The invention discloses an induction time-delay faucet. The induction time-delay faucet is characterized in that the induction time-delay faucet comprises a 12V direct-current power supply, a microwave induction and detecting circuit and a monostable time-delay and electronic control faucet driving circuit; the model of a microwave induction controller IC2 in the microwave induction and detecting circuit is TX982; the monostable time-delay and electronic control faucet driving circuit is composed of a time-base circuit IC1, a resistor R1, a timing capacitor C1 and an electronic control faucet, and the model of the time-base circuit IC1 is NE555. According to the induction time-delay faucet, a new path is found; the induction time-delay faucet is made of common electronic components completely; the induction time-delay faucet has the advantages of being simple in structure, low in manufacturing cost, capable of withstanding voltage and convenient to repair, and being convenient to operate, sanitary and low in power consumption and the like in the aspect of usage; the faucet is suitable for the occasions such as hotels, office buildings, hospitals, passenger stations and airports.

The invention relates to surface printed solidified matte ink and a preparation method thereof. The surface printed solidified matte ink is formed by adding a curing agent into an ink base material according to a ratio of 6-10% and stirring, wherein the ink base material comprises the following ingredients: 23 parts of n-propyl ester, 10 parts of butyl acetate, 8 parts of a polyurethane resin, 10 parts of aldehyde ketone resin, 1 part of a flatting agent, 40 parts of light removing slurry, 7 parts of ternary chlorine vinegar resin, 0.5 part of an antifoaming agent and 0.5 part of a dispersing agent; the n-propyl ester, the butyl acetate, the polyurethane resin, the ternary chlorine vinegar resin and the aldehyde ketone resin are firstly ground, combined with the flatting agent and the light emitting slurry, and are subjected to high-speed dispersion, the ingredients are filtered and packaged into finished products, and 6-10% of the curing agent is added, thus obtaining the ink which can be used for printing. The matte ink can be used for directly printing in a matte manner to form a film, personal hollow printing or conventional covering printing is realized, the adhesive force is high, the surface is smooth, the matte effect is remarkable, and the production cost is lowered. The surface printed solidified matte ink is applicable to printing on coiling drums of wall paper, chrome paper, kraft paper, leatherette paper and various special types of paper, and meanwhile the ink is applicable to printing on PE (Poly Ethylene), PET (Polyethylene Terephthalate), BOPP (Biaxially-oriented Polypropylene), pearly luster films and twisting films with corona layers.

The invention belongs to the field of mines, and relates to a riverbed seepage-proof governing structure. According to the riverbed seepage-proof governing structure, a quaternary seepage-proof structure is arranged on a disturbed riverbed, and the quaternary seepage-proof structure is divided into four layers from bottom to top, namely a riverbed reinforcing layer, a seepage-proof cushion layer, a seepage-proof layer and a seepage-proof protective layer are sequentially laid. According to the design, engineering geology, environment characteristics and technical features of a composite geo-membrane are fully considered, and therefore the effect of the disturbed riverbed seepage-proof governing is enabled to good, and governing cost is lower.

The invention discloses wear-resistant paint in submarine gas transmission/condensate transmission pipelines. The paint comprises primer and topcoat both having double components, wherein a component A in the primer comprises epoxy resin, solvents, additives and pigment fillers; a component B in the primer comprises modified amine curing agents and mixed solvents; the component A in the topcoat comprise phenolic resin, epoxy resin, additives, pigment fillers and solvents; and the component B in the topcoat comprises modified phenol-aldehyde amine curing agents, modified amine curing agents and mixed solvents. The paint is characterized in that the paint has good adhesion, oil resistance and pressure resistance by adopting the phenolic resin combined with novel epoxy resin and adopting two types of modified amine in different molecular weight as curing agents, and is short in surface drying time, good in wear resistance and good in flexibility. The combination degree of the primer and the topcoat adopted by the paint greatly improves the corrosion resistance of coatings.

The invention relates to a steering gear, in particular to an underwater electric steering engine and a rudder angle detection method. The underwater electric steering engine comprises an output shaft, an engine base, a worm wheel, a worm, a power system and a steering engine controller. The power system drives the output shaft to rotate through transmission of the worm and the worm wheel. The output shaft extends out of the end, provided with a shaft end cap, of the engine base, and the output shaft is provided with a limiting swing piece at the end. A swing groove is formed in the shaft end cap. The limiting swing piece swings in the swing groove. The steering engine controller is connected with a motor in the power system. An incremental encoder is arranged on the motor. The limiting swing piece and the steering engine controller are used for determining the rudder angle zero point position. The incremental encoder is used for detecting angle change values of a motor output shaft so as to determine the absolute position of the current rudder angle. The power system is arranged in a shell. The shell communicates with the engine base, and the interior of the shell is an oil-filled sealed space. An oil pipe is connected with the shell. The underwater electric steering engine is compact in overall structure and capable of meeting operation demands of full-ocean-depth low-speed large-torque and large-moment output.

The invention discloses a heat preservation, heat insulation and elastic grout joint filling. The grout joint filling comprises the following components in weight portion: 20 to 40 portions of vitrified micro bubble, 20 to 40 portions of acrylic ester synthetic resin, 20 to 30 portions of polypropylene short fiber and 5 to 10 portions of mica powder. The coefficient of heat conductivity(W/(mk)) of the grout joint filling is less than or equal to 0.07, and the elastic stretch modulus(MPa(23 DEG C,,20 DEG C below zero)) is more than 0.4 or more than 0.6, so that the grout joint filling has the advantages that besides the characteristics of endurance, water resistance, pressure resistance and the like which are possessed by the common ceramic wall floor tile grout joint filling, the grout joint filling of the invention also has the effects of heat preservation and heat insulation, and the functions of a certain elastic stretch modulus, fire resistance and sound insulation.

The invention discloses a stitch-free silicon rubber corneal arcus for use in a vitreous body resection operation using a needle with casing pipes, which consists of a medical silicon rubber ring, wherein the surface between the upper and lower two ends of the ring have a spherical shape having a curvature similar to that of eye balls; the periphery of the bottom surface of the ring is provided with first sectorial thin claw, second sectorial thin claw and third sectorial thin claw which have the same structure at the positions corresponding to three casting pipes respectively; the inside diameter a of the ring is more than or equal to 10 millimeters and less than or equal to 12 millimeters, the thickness b is more than or equal to 1 millimeter and less than or equal to 2 millimeters, and the height c is more than or equal to 1 millimeter and less than or equal to 3 millimeters; the length e of the sectorial thin claws is more than or equal to 3 millimeters and less than or equal to 8 millimeters, the thickness f is more than or equal to 0.1 millimeter and less than or equal to 1.5 millimeters and the radian g of the sectors is more than or equal to 20 DEG and less than or equal to 90 DEG; and the coplanar curvature d of the bottom surface of the ring and the first, second and third sectorial thin claws ranges from 10 millimeters to 14 millimeters. The stitch-free silicon rubber corneal arcus has the advantages of simple structure, convenient operation, stable supporting effect and suitability for various vitreous body resection operation systems using the needle with casing pipes.

A flexible LCD comprises an upper flexible plastic substrate, a lower flexible plastic substrate, a frame gum, an upper ITO (Indium Tin Oxides) electrode, a lower ITO electrode, an upper PI oriented film, a lower PI oriented film, a plurality of spacing balls and liquid crystals, wherein the upper flexible plastic substrate is parallelly arranged at the relative position above the lower flexible plastic substrate; the frame gum is bonded between the upper flexible plastic substrate and the lower flexible plastic substrate to form a sealed F-LCD box; the upper ITO electrode is carved on the lower surface of the upper flexible plastic substrate; the lower ITO electrode is carved on the upper surface of the lower flexible plastic substrate; the upper PI oriented film is coated on the upper ITO electrode; the lower PI oriented film is coated on the lower ITO electrode; the spacing balls are mounted between the upper flexible plastic substrate and the lower flexible plastic substrate; and the liquid crystals are filled in the F-LCD box. The flexible LCD has the advantages of smaller thickness, bendability, pressure resistance, low probability of breakage, shock resistance and the like.

The invention provides a raw oil lifting system and a method for conveying a fluid by utilizing a sliding vane pump. The raw oil lifting system comprises an oil pipe and an oil pump connected with the oil pipe, wherein the oil pump is the sliding vane pump; the sliding vane pump is provided with a barrel-shaped stator; a drive shaft arranged in the stator along a direction parallel to the length of the stator, and a rotor sleeved onto the drive shaft are arranged in the stator; the lower end of the stator is provided with a suction disk; the upper end of the stator is provided with an exhaustion disk; the suction disk, the exhaustion disk and the stator form a barrel-shaped inner cavity; the rotor is arranged between the suction disk and the exhaustion disk; the suction disk is provided with a suction hole for sucking raw oil; and the exhaustion disk is provided with an exhaustion hole for exhausting the raw oil. The method for conveying the fluid by utilizing the sliding vane pump comprises the steps of sucking and exhausting the fluid from the direction of the end part of the stator to perform a lifting process.

The invention discloses a pig feed synergist capable of improving productivity. The pig feed synergist is prepared from, by weight, 40-50 parts of cassava leaves, 5-10 parts of shepherd's purse, 20-24 parts of peanuts, 5-10 parts of lemon juice, 20-25 parts of pleurotus eryngii, 10-13 parts of rape pollen, 15-20 parts of pumpkin seed kernels, 8-10 parts of honey, 6-7 parts of green tea, 4-5 parts of licorice roots, 3-4 parts of nanometer montmorillonite powder, a proper amount of Grifola frondosa hyphae, a proper amount of Kombucha and a proper amount of water. By treating cassava leaves with Kombucha, the appetite of bred animals for cassava leaves can be increased, the digestion and absorption of cassava leaves in the bodies of bred animals can be prompted, and the balance of nutritional ingredients in the bodies of bred animals can be improved. As pollen has tough cell walls, multiple enzymes are secreted by Grifola frondosa hyphae and can effectively break pollen walls, nutritional substances in pollen are released, and the content of polysaccharide and protein in fermentation liquor is increased. Nanometer montmorillonite can adsorb germs and heavy metal and effectively solve the problem of antibiotic and heavy metal residuals. The pig feed synergist can increase the appetite, regulate the metabolism of organisms, promote the growth and development of pigs and improve the productivity.

The invention discloses a corrosion resistant aerated building block and a making method thereof. The corrosion resistant aerated building block is made from, by weight, 23-27 parts of waste concrete, 28-36 parts of quartz sand, 16-29 parts of pine sawdust, 13-21 parts of porous ceramsite, 18-34 parts of zirconium-silicon slag, 32-46 parts of high sulfate resistance Portland cement, 17-33 parts of pumice, 14-26 parts of kyanite, 22-34 parts of marine dredged sludge, 11-22 parts of desulfurized gypsum, 19-28 parts of calcium carbide slag, 10-15 parts of hawthorn fruit seed powder, 8-12 parts of sodium polystyrene sulfonate, 3.5-5 parts of calcium hydride and a proper amount of water. The aerated building block has the advantages of strong corrosion resistance, strong resistance to acids, alkali, salts and other corrosive media, high strength, good durability, impermeability, low heat conduction coefficient, good crack resistance, safety, environmental protection and durability.

The invention provides a broadband transducer and a preparation method thereof. The broadband transducer comprises a potting material (1), a piezoelectric material (2), a filling material (3), a backing material (4), a transducer base (5) and a cable (6), the piezoelectric material (2) comprises an array columns arranged on the bottom surface and the bottom surface, the filling material (3) fillsthe space between the array columns of the piezoelectric materials(2), the bottom surface of the piezoelectric material (2) serves as a radiating surface, the radiating surface of the piezoelectric material (2) is arranged on the backing material (4) outwards, the backing material (4) is connected with the transducer base (5), the cable (6) is connected with a positive electrode and a negative electrode of the piezoelectric material (2), the potting material (1) is used for encapsulating the connected piezoelectric material (2), the filling material (3), the backing material (4) and the transducer base (5). According to the method, the mode that the piezoelectric material is used for cutting and reserving the bottom is adopted, the bottom surface serves as the radiating surface, the effective radiation resistance of the transducer is increased, and the bandwidth and the receiving sensitivity of the transducer are improved.

The invention belongs to the technical field of electric wires and cables and particularly relates to a cable mold. The cable mold comprises a mold core and a mold cover and is characterized in that: the mold core consists of a forming part, a transition part and a connection part; the forming part is positioned at the front end of the mold core; the transition part is positioned at the middle end of the mold core; the connection part is positioned at the rear end of the mold core; the forming part consists of conductor guide devices, isolating bar forming channels and filling body guide devices; the quantity of the conductor guide devices is equal to that of the isolating bar forming channels; and the mold core has an integrated structure. The invention has the advantages that: the cablemold is convenient to mount and easy to manufacture, processes of producing the cables can be reduced, the cables have higher production speeds, the produced cables have smaller diameters, and the cable mold has lower material consumption and lower cost.

The invention discloses a firebrick dust-containing aerated building block and a making method thereof. The aerated building block is made from, by weight, 12-23 parts of silicon-calcium slag, 24-37 parts of firebrick dusts, 26-39 parts of Portland cement, 19-35 parts of gangue, 14-26 parts of anorthite, 18-32 parts of porous ceramsite, 28-42 parts of flue dust, 6-12 parts of locust bean gum, 10-15 parts of boron slag, 16-28 parts of blast furnace water quenching slag, 4-8 parts of sodium tripolyphosphate, 3-4 parts of silicon-aluminum alloy powder, 1-2 parts of sodium peroxide and a proper amount of water. The firebrick dusts added in the invention cooperate with gangue, anorthite and silicon-calcium slag to improve the mechanical performances, the acid and alkali corrosion resistance and the weatherability of the aerated building block, and cooperate with the porous ceramsite, the boron slag and the blast furnace water quenching slag to improve the fire resistance and the heat insulation property of the aerated building block. The aerated building block made in the invention has the advantages of excellent comprehensive performances, excellent mechanical performances, excellent weatherability, excellent acid and alkali corrosion resistance, excellent ageing crack resistance, excellent heat insulation property and excellent fire resistance.

The invention discloses a high-Tg high-thermal conductivity aluminium-based copper-clad laminate comprising a copper foil layer and an aluminium-based layer, and an insulating layer is coated between the copper foil layer and the aluminium-based layer. The copper-clad laminate is characterized in that the insulating layer contains the components in percent weight: 55-73 percent of epoxide resin, 0.06-0.20 percent of dimethyl imidazole, 10-22.94 percent of propylene glycol methyl ether and 10-22 percent of stuffing. The aluminium-based copper-clad laminate material has the characteristics of temperature resistance, pressure resistance and big coefficient of heat conductivity and can well satisfy the requirements of high-power aluminium-based copper plates.

The invention provides a semi-hard low-temperature resistant PVC cable material. The semi-hard low-temperature resistant PVC cable material is prepared from the following components in parts by weight: 100 parts of a PVC resin, 0-10 parts of dioctyl phthalate, 1-30 parts of terpolymer, 0-30 parts of calcium carbonate, 0.1-0.2 part of polyethylene wax, 0.1-0.2 part of stearic acid, 2-5 parts of a calcium-zinc composite stabilizer and 0.01-1 part of high-density oxidized polyethylene wax. The invention further provides a preparation method of the semi-hard low-temperature resistant PVC cable material. The preparation method of the semi-hard low-temperature resistant PVC cable material comprises the following steps that S1, each raw material is weighed according to the weight value of the formula, and the raw materials are added into a high-speed mixer for mixing and plasticizing; S2, the mixture is transferred to a double-screw extruder for extrusion processing, and extruding and granulating are carried out through a single-screw extrusion granulator; and S3, air-cooled conveying and packaging is carried out. The semi-hard low-temperature resistant PVC cable material can be used formanufacturing wire and cable sheathing layers and insulating layers with high product flexibility requirements, such as wind energy cables, photoelectric composite cables, elevator cables, and built-in wires of refrigeration equipment, and has good low-temperature resistance and high hardness.