47results about How to "Does not affect insulation" patented technology

The invention discloses a polyurethane composite solar photovoltaic module frame and a preparation method thereof. The solar photovoltaic module frame is prepared from polyurethane composite, wherein the polyurethane composite is prepared from the following components by weight percent: 10-60% of polyurethane resin and 60-90% of glass fiber twistless continuous roving; the polyurethane resin comprises two components; the component I is isocyanate; the component II comprises polyols, a dewatering agent, a defoaming agent, an anti-ultraviolet agent and a filler. The preparation method of the polyurethane composite solar photovoltaic module frame disclosed by the invention comprises the following steps: respectively injecting the component I and the component II into a mould; arranging the glass fiber twistless continuous roving into a preset shape; soaking resin in the mould and curing for formation; carrying out pultrusion. The polyurethane composite solar photovoltaic module frame is light in weight, high in strength, excellent in insulating property, corrosion resistant and ageing resistant, and replaces an aluminium alloy material, the cost of the solar photovoltaic module frame is greatly reduced, and consumption of non-ferrous metal resource is reduced.

The invention provides a wind power generator system. According to the wind power generator system, multi-phase flows entering the generator can be separated to reduce moisture and impurities entering the generator so as to improve the insulating performance of the generator while a cooling effect is achieved, and to reduce abrasion for a heat exchanging surface of the internal cavity of the generator. The wind power generator system comprises the generator with a motor cavity and blades connected with the rotor of the generator; the wind power generator system also comprises a separating apparatus used for performing multi-phase flow separation for flows from a windward direction; the air inlet of the separating apparatus is used for introducing flows from the windward direction; the air outlet is communicated with the motor cavity; and the motor cavity is communicated with an exhaust fan for discharging hot air flows. The invention also provides a fluid transportation apparatus, wherein the fluid transportation apparatus comprises power equipment with an overheat cavity; the fluid transportation apparatus also comprises the separating apparatus used for performing multi-phase flow separation for flows from the windward direction; the air inlet of the separating apparatus is used for introducing flows from the windward direction; the air outlet is communicated with the overheat cavity; and the overheat cavity is also communicated with the exhaust fan for discharging hot air flows.

The invention discloses an environment-friendly building brick and a preparation method thereof. The environment-friendly building brick is prepared from the following raw materials in parts by weight: 60 to 80 parts of construction waste, 10 to 18 parts of coal ash, 15 to 30 parts of mineral residue, 3 to 10 parts of marble, 1 to 2 parts of magnet, 1 to 3 parts of medical stone, 3 to 7 parts of fluorite, 1 to 2 parts of alundum powder, 15 to 30 parts of clay, 0.1 to 0.5 part of shell active carbon, 0.1 to 0.3 part of nanoscale aluminum oxide, 0.08 to 0.12 part of sodium rosinate, 0.05 to 0.1part of sodium tripolyphosphate, and 10 to 15 parts of water. The building brick has the advantages of high strength, good wear resistance, acid and alkali corrosion resistance, high compactness and the like, also has insecticidal and healthcare functions, and has a good visual effect.

The invention relates to the technical field of surface corrosion and protection of thermal barrier coating layers, specifically to a thermal barrier coating layer resisting CMAS erosion and a preparation method. In the technical solution of the invention, prefabricated CMAS suspension is uniformly coated on the surface of a thermal barrier coating layer; and then, the coating layer is sintered for a period of time in a high-temperature furnace to form a compact apatite phase barrier layer on the surface. The layer has the features of high melting point, high compactness, excellent phase stability and high bonding force, not only can fill inevitable holes and cracks in the surface spraying process of ceramic layers, but also can block CMAS diffusion channels in the ceramic layers, effectively improves the CMAS erosion resistance of the thermal barrier coating layer.

The invention discloses a controlling cable which comprises a plurality of wires. The wires are twisted to form two sets, the outside of each set of wires is covered with an insulating layer, and the outsides of the insulating layers of the two sets of wires are together covered with a low smoke zero halogen flame retardant belt wrapping layer. An H-shaped nylon skeleton is arranged in the low smoke zero halogen flame retardant belt wrapping layer, and the H-shaped nylon skeleton is wrapped with the two sets of wires. The outside of the low smoke zero halogen flame retardant belt wrapping layer is sequentially coated with a semiconductive shielding layer, a polyester silk knitting tear-resistant layer and a jacket layer. The gap between the polyester silk knitting tear-resistant layer and the PVC jacket layer is filled with a mixture of water stopping paste and water stopping powder. According to the controlling cable, the inner structure layer is simple, various properties such as insulation, water resistance and compression resistance of the entire cable cannot be affected, mounting is convenient, and the practicability can be achieved.

The invention discloses a wire drawing and color complementing device for copper wire, which includes a base, and is characterized in that: a vertical bar is welded vertically on the upper side of the base, a support plate is welded on the vertical bar, a wire take-up roller is arranged on the support plate, and one side of the motor is fixed. On the opposite side of the support plate, a shaft is fixed on the take-up drum, and the shaft rotates to connect the support plate to the motor. The dryer is fixed on the support plate, and the splint is fixed on the support plate. There are two layers of felt clamped between the splint B, the dye barrel is fixed on the splint B, there are many fine holes on the splint and the splint B, the collection channel is fixed on the support plate, the collection channel is under the splint, and the support plate is set. Drum A, Drum A and Drum B are fixedly connected by a shaft, the shaft is rotatably connected to the support plate, a baffle is fixed on the opposite side of the support plate, the cross bar is rotatably connected to the baffle, iron sheets and discs are fixed at both ends of the cross bar, iron A rubber pad is fixed on the sheet, and the lower end of the short bolt fixes the cross bar.

A method and device for detecting breaking and closing positions of vacuum circuit breaker contacts are provided. According to the method, due to the fact that capacitance of a shielding case changes when the vacuum circuit breaker contacts break and close, a capacitance value of the shielding case is calculated by detecting a value of a copper foil induced electric field at the position of the shielding case on the surface of a vacuum circuit breaker, and the breaking and closing positions of the contacts are determined. The device comprises copper foil, an electric field sensor and a detecting and processing unit, wherein the copper foil as high as the shielding case is attached to the surface of the vacuum circuit breaker and connected to the input end of the detecting and processing unit through a lead. By means of the method, the breaking and closing positions of the contacts in an arc extinguishing chamber of the vacuum circuit breaker are acquired indirectly by detecting the value of the induced electric field at the position of the shielding case on the surface of the vacuum circuit breaker. The device is simple in structure, convenient to use, low in cost and high in detection sensitivity.

The invention discloses an ecological plant outer wall which comprises a steel framework and a wall board fixed to one side of the steel framework. The wall board is provided with a bearing part whichextends inwards and is provided with a stud or an internal thread connector in an embedded mode. An inserting fixing part is fixed on the bearing part through the stud or the internal thread connector. Inserting grooves are formed in the two ends of the inserting fixing part. A cultivation plate rack and an outer cover are connected into the inserting grooves correspondingly. An overturning coverplate is rotatably connected to the wall board at one side of the bearing plate, and plant through holes are formed. The steel formwork is fixedly connected with cultivation containers. According tothe technical scheme, plants can gain sunlight well, the physical performance of a curtain wall is not influenced, and the wind resistance, thermal insulation, and watertight and airtight performanceof the curtain wall are not influenced. Mounting, maintaining and plant cultivation are more convenient, and popularization is facilitated.

The invention provides an insulating member of a station door assembly. The insulating member of the station door assembly comprises an insulating layer and a sectional bar for constructing the station door assembly, wherein the sectional bar is coated with an insulating layer. Door frame sectional bars of door frames are coated with insulating layers, and the door frames are interconnected through detachable fasteners, so that the replacement is easy; upright columns and composite insulating materials are subjected to global extrusion forming through steelwork, and weld segments are reserved,so that the problem that composite materials cannot meet the requirements on high temperature during the welding of upright column sectional bars and bottom plates is solved; the stress requirementsand reliability of the upright columns are met, and the insulating property of the upright columns cannot be affected. The condition that passengers get an electric shock due to touch with station doors can be avoided, and the performance is stable and reliable.

The invention discloses a stem cell preservation box and belongs to the technical field of vessels special for medical or pharmaceutical purposes. The stem cell preservation box mainly consists of a box body, storage chambers positioned in the box body and storage chamber doors; each storage chamber is provided with the corresponding storage chamber door, an opening is formed in each storage chamber door and provided with a manually operated door to manually open or close the opening, and an automatic storage chamber door opening and closing device for controlling the storage chamber doors tobe opened or closed is arranged outside the box body. The stem cell preservation box overcomes technical defects commonly existing in the prior art that the evaporation consumption of liquid nitrogenis large since liquid nitrogen containers are uncovered for a long time, fluctuation of internal temperature of existing preservation boxes is caused since the preservation boxes are opened for a longtime, temperature fluctuation is caused since collecting bags which do not need to be taken out are forced to be taken out, and finally the effect of refrigerating and preserving stem cells is influenced. The stem cell preservation box has the advantages that acquiring and placement of samples are separate and do not influence the temperature preservation effect, the storage chamber doors can beautomatically opened or closed according to the position of the stem cell preservation box inside or outside a liquid nitrogen container, and the temperature constancy of the interiors of the storagechambers is improved.

The invention discloses a synthesis block for synthesizing artificial diamond. The synthesis block is positioned in a high-temperature and high-pressure six-surface propping and pressing machine, a cavity used for sheathing and accommodating a graphite block is arranged inside the synthesis block, the cavity penetrates through the two opposite sides of the synthesis block, the synthesis block is formed by combining two or more than two split blocks, heating sheets are arranged between the split blocks, the split blocks consist of a first split block ands a second split block, the cavity is in a cylindrical shape, and the heating sheet is a metal heating sheet or a graphite heating sheet and is positioned between the first split block and the second split block. The synthesis block has the beneficial technical effects that the synthesis block is formed by combining two ore more than two split blocks, the heating sheet is arranged between the split blocks, the heat can be sufficiently utilized, the heat utilization efficiency can be improved on the premise of not changing the high-temperature and high-pressure major environment, in addition, the pressure transfer, sealing, thermal isolation and insulation effects cannot be influenced, and the yield and the quality of the diamond are further improved.

The invention belongs to the field of crop cultivating, and particularly discloses a rice seedling cultivating technique for mechanical transplanting. The rice seedling cultivating technique comprises the following steps of selecting seeds; preparing seedling cultivating soil; putting the seedling cultivating soil into a seedling tray to 80 percent of the capacity; uniformly distributing seeds to the seedling tray according to an amount of 62.5 mg-71.4mg per tray; covering the seedling cultivating soil onto the seeds, and maintaining the thickness to 0.4mm-1mm; horizontally placing the seedling tray in a rice field, wetting the seedling cultivating soil, draining water, and covering a thin film, wherein the thin film comprises a film layer I and a film layer II, the film layer I is directly coated on the seedling tray, and the distance between the upper surface of the film layer II and the upper surface of the seedling cultivating soil is 18mm-25cm; maintaining the wetting of the seedling cultivating soil in the seedling tray; when the seedling grows to 5cm, spraying a plant root and stem growth promoter once; preventing and curing the insects and the diseases one day before transplanting. The rice seedling cultivating technique has the advantages that by adopting the method, the germination time and the seedling emergence time can be shortened; the thickness of the seedling soil layer is uniform and consistent, the four corners of a rice block are vertical and square and are not lack of edges and corners, the seedlings are regular and uniform, the roots are intertwined, and the loosening is avoided after lifting.

The invention discloses a copper-sheathed fireproof cable, comprising a conductor core located in the center, the outer part of the conductor core is wrapped with a mica tape layer for protecting the conductor core and preventing oxidation of the conductor core, and the mica tape layer and the conductor core are arranged between the mica tape layer and the conductor core. There is a silica gel insulating layer, and a longitudinal seam welded copper sheath layer is arranged outside the mica tape layer; the conductor core is made of a plurality of conductors twisted, and at least one central conductor with a circular conductor cross-section is located in the center. The outer part of the conductor is twisted with at least one special-shaped conductor layer whose cross-section can be closely arranged after stirring. On the basis of satisfying the requirements of good fireproof performance, the invention has good moisture-proof performance, especially can be made in extra length, reduces the use of joints in construction, and provides reliable guarantee for ensuring the transmission of electric energy and information.

The invention discloses an electronic pouring sealant which is composed of a component A and a component B with the weight ratio of 100:(90-110). The component A includes the following raw materials by weight: 50-60 parts of modified vinyl silicone oil, 5-10 parts of Cu-Al-O-B modified by silica, and 1-3 parts of a coupling agent A. The component B includes the following raw materials by weight: 45-55 parts of dibromoneopentyl glycol diglycidyl ether, 5-10 parts of Cu-Al-O-B modified by silica and 1-3 parts of a coupling agent B. The invention also discloses a preparation method of the electronic pouring sealant, wherein the preparation method includes the following steps: preparation of the component A, preparation of the component B and preparation of the pouring sealant finished product. The electronic pouring sealant provided by the invention has more excellent high temperature resistant, insulation, sealing, waterproofing and heat conduction performance and flame retardancy.

The invention discloses a gas barrier device, comprising a pressure input port (1) and a pressure output port (2), wherein an insulation medium layer (3) is arranged between the pressure input port (1) and the pressure output port (2). The gas barrier device disclosed by the invention can be used to prevent gas from entering oil medium storage equipment when detecting a pressure relay, so as to guarantee the safety of a power transformer.