273results about How to "Meet insulation requirements" patented technology

The invention discloses low-density composite foaming cement and a preparation method thereof, relating to a light building material. The foaming cement is prepared by adopting a normal-temperature foaming technology, and comprises the following components in parts by weight: 100 parts of cement, 10-50 parts of active admixture, 1-5 parts of redispersible emulsion powder, 1-4 parts of water repellent, 0.5-1.5 parts of cellulose ether, 0.3-0.7 parts of reinforced fiber, 0.2-0.5 parts of foam stabilizer, 3-8 parts of foaming agent and 50-80 parts of water. The method comprises the following preparation steps of: proportionally mixing and stirring the cement, active admixture, redispersible emulsion powder, water repellent, cellulose ether, reinforced fiber, foam stabilizer, and water into cement slurry; adding the foaming agent; and stirring, molding by casting and naturally curing. The foaming cement disclosed by the invention has the advantages of low volume weight, small heat conducting coefficient, small shrinkage ratio, high intensity, integration of heat preservation, sound insulation, fire prevention and low carbon, simple and convenient production preparation process and easiness in controlling.

The invention belongs to the technical field of building materials, and particularly relates to an energy-saving and waste-utilizing concrete block or board and a production method thereof. The energy-saving and waste-utilizing concrete block or board is composed of desulfurization gypsum, slag powder, ultrafine fly ash, cement, foaming agent, alkaline excitant, early strength agent, water reducer, mineral fiber and triethanolamine. The desulfurization gypsum is cold-dried. By the energy-saving and waste-utilizing concrete block or board, industrial waste such as the desulfurization and the slag powder can be consumed in a large amount and turned into treasure, and environmental pressure caused by stacking of the waste can be relieved. In addition, steam conservation is adopted, strength development of concrete block and board is accelerated, and early strength is improved greatly, so that reuse of moulds can be quickened, conservation space is economized, and the energy-saving and waste-utilizing concrete block or board is suitable for industrial production. Foamed concrete block and board produced has fine performances of light weight, heat insulation, sound absorption, flame retardancy and the like. The energy-saving and waste-utilizing concrete block or board is applicable to projects such as roof insulation, wall insulation, road sound absorption and building sound insulation.

The invention discloses an inorganic heat insulation load-bearing concrete, belonging to the technical field of heat preservation load-bearing concrete. The invention aims at solving the problem of providing a concrete which not only can meet the requirements of stress performance of structural components of buildings, but also has good heat preservation property. The adopted scheme comprises: the concrete comprises the components with mix proportion by weight (kg/m<3>): the ratio among composite lightweight doped-aggregate, cement, sand, carpolite, ceramsite, pulverized fuel ash, water and admixture is (6-225): (200-800): (300-700): (500-1600): (150-650): (10-600): (80-400): (0.1-200); wherein the composite lightweight doped-aggregate is one or mixture of more in vitrified micro-bead, vermiculite, expanded perlite and modified expanded perlite, and has the density of (50-180)kg/m<3>. Therefore, the load-bearing concrete can be widely applied to the field of building technology.

The invention discloses a method for forming a silicon dioxide aerogel heat-insulating composite material. The method comprises the design of a silicon dioxide aerogel injecting mould, a formula of a silicon dioxide aerogel, a preparation method of the silicon dioxide aerogel, a method for mixing the silicon dioxide aerogel and a reinforcing material and a supercritical drying technique for enhancing the silicon dioxide aerogel. The density of the silicon dioxide aerogel heat-insulating composite material prepared by the method provided by the invention is not more than 0.4g/cm<3>; the bending strength is not less than 1.0MPa; the compression strength (10 percent of compression amount) is not less than 0.2MPa; and the heat conductivity (at the temperature of 600 DEG C) is not more than 0.04W/m.k.

The invention discloses an energy integrated management system and method for monitoring equipment of a high-voltage power transmission line. The energy integrated management system comprises an energy management and control module, a wireless transmission module and a voltage detection module, wherein the wireless transmission module transmits power consumption information, detected by a load power consumption module, of loads and voltage information, detected by the voltage detection module, of an energy storage device to an energy integrated management center, and the wireless transmission module is in communication with the energy management and control module. According to the energy integrated management system and method, the two power supply modes of induction power taking and solar power supply are combined, other energy ports are reserved, charge and discharge of the energy storage device are controlled through the energy control module, an expert system is adopted for managing power supply energy of the loads, and the load classification management mode is applied. By means of the energy integrated management system and method, the power supply energy of the monitoring equipment of the whole high-voltage power transmission line is reasonably distributed; due to classification use of the monitoring equipment, the requirement for real-time performance of monitoring is met, and the problem of difficulty in field power supply to the a high-voltage power transmission line is solved.

The invention relates to an ultrahigh-voltage oil-SF6 sleeve test device which overcomes the shortcomings and defects of single test ability, low test voltage grade and vertical arrangement of sleeve samples of the existing oil-SF6 sleeve test device. The device comprises a test oil tank, a GIS (Gas Insulated Switchgear) bus tube, a GIS sleeve, an oil-SF6 sleeve, an oil conservator, a transition plate, a support base and accessories, and is characterized in that: the oil-SF6 sleeve sample is horizontally mounted. The insulating property of the device can meet the insulation requirement of the sleeve test device with a grade between 500KV and 1,100KV; the actual operation conditions of the oil-SF6 sleeve can be simulated; the sleeve mounting height of the whole test device is reduced, thereby being favorable for the transportation and disassembly/assembly; and meanwhile, the requirements for the structural strength and safety of the test device are reduced, and the requirement for the height of the hall building of the test environment is reduced.

The present invention relates to an energy-saving and heat-preservation masonry mortar. The component materials and the weight ratio for the masonry mortar are that: 17-23 percent of cement, 15-55 percent of powder coal ash, 10-55 percent of hearth residue, 0-25 percent of glass micro pearl, 0.7-1.2 percent of additive agent and 0.05-0.10 percent of natrium water reducing agent. The mixture material after being mixed is added into a mixer and then is mixed for 3-4 minutes for well-proportioned matching. And then the clear water with the thickness for mortar 70-90mm is added and is mixed for 3-5 minutes. So the finished products can be obtained. The present invention has the advantages that: if being used together with the energy-saving and heat-preservation brick or the heat-preservation and light brick, the present invention can overcome the problem that when using the common masonry mortar, the heat conductivity coefficients in both materials are much more different, so the whole brick body will be in cold bridge effect. The present invention accords to the requirements of heat insulation and heat preservation for the energy-saving building materials. The present invention is with much better workability and construction performance, much better heat-working performance, much higher intension and much lower cost. So the present invention can be widely applied and popularized.

The invention relates to an optical fiber current sensor and a manufacturing method thereof. The optical fiber current sensor comprises a first quarter wave plate, a second quarter wave plate, a sensing optical fiber and a coil frame, wherein the first quarter wave plate and the second quarter wave plate are communicated through the sensing optical fiber; the sensing optical fiber is coupled with a half-wave plate; and double wires of the sensing optical fiber double wire are wound on the coil frame in the same direction. The invention provides an optical fiber current sensor which has the advantages of high precision, small volume, light weight and no sensitivity to vibration or rotation due to no Sagnac effect and a manufacturing method thereof.

The invention discloses a thermal insulation building material and particularly relates to a gypsum foaming thermal insulation building material and a preparation method thereof. The gypsum foaming thermal insulation building material is prepared from the following raw materials in parts by weight: 100 parts of building gypsum or desulfurization gypsum, 40-60 parts of Portland cement, 0.5-1.5 pats of fibers, 6-10 parts of foaming agent, 2-4 parts of emulsion, 2-4 parts of waterproof agent, 0.04-0.06 part of thickener and 100-140 parts of 40-50 DEG C warm water. The gypsum foaming thermal insulation building material has the advantages of light dead weight, low thermal insulation coefficient, good soundproof effect, low cost and is convenience to machine and use.

The invention relates to a material for manufacturing a labor protection article, in particular to a sole material for insulating labor protection shoes with insulating protection function. The material comprises the following components in portion by weight: 26.2 to 31.2 portions of natural rubber, 26.2 to 30.2 portions of styrene-butadiene rubber, 0.93 to 1.02 portions of sulfur, 0.6 to 0.73 portion of accelerating agent DM, 0.18 to 0.22 portion of accelerating agent TMTD, 4 to 4.5 portions of zinc oxide, 20 to 22.5 portions of white carbon black, 14.3 to 15.2 portions of magnesium oxide, and 0.48 to 0.52 portion of stearic acid. The components of the material are mixed reasonably; and actual detections show that the leakage current of a sole product manufactured by adopting a componentformula of the material is smaller than 1.8 mA under the condition that the temperature is 20+/-5 DEG C, the relative humidity is less than 85 percent, the power frequency testing voltage is 20 kv andthe duration is 1 minute, and thus the material can meet high insulating use requirements.

The invention discloses a self-insulating and fire-proof building material. The raw materials for preparing the self-insulating and fire-proof building material include: glass fiber, polystyrene particles, high-alumina cement, asbestos, polytetrafluoroethylene, lithium chloride, polyamide, ceramics Cotton, calcined kaolin, ferrous sulfate, magnesium oxide, silica fume, magnesium sulfate, water reducing agent, foaming agent, flame retardant, foam stabilizer, bauxite, nano rubber powder, hydroxypropyl methylcellulose, Polyacrylamide, sodium alginate and polyethylene glycol. The self-insulating and fire-proof building material of the present invention has a reasonable formula, and through the interaction of various components, it has the characteristics of high temperature resistance, and can further improve the fire resistance of the heat-insulating board by cooperating with adding a flame retardant. It effectively solves various defects of the existing building insulation materials, and meets the national requirements for the fire protection grade and heat preservation of building insulation boards. The thermal conductivity of the self-insulating fire-proof building material of the present invention is not greater than 0.047W/(m·k), and the compressive strength is not less than 0.82Mpa, which can meet the requirements of class A fire prevention and has the advantages of convenient construction and the like.

The invention discloses a heat insulation component for heat control of a Mars Landing machine. The heat insulation component comprises a thin layer structure, structure support pieces, first aerogel blocks, second aerogel blocks, honeycombs and skins, wherein the second aerogel blocks are filled inside the honeycombs and clamped between the upper skin and the lower skin so as to form a honeycomb plate, the first aerogel blocks and the structure support pieces are arranged on the first surface of the honeycomb plate, the thin layer structure is covered on the outer surface of the first aerogel blocks, and both the first aerogel blocks and the second aerogel blocks are composite SiO2 aerogel materials. The invention further discloses a manufacturing method for the heat insulation component. By utilizing the heat insulation component based on SiO2 aerogel, the problem that the aerogel material is difficult to use due to poor mechanical property is solved, and the heat insulation component is excellent in heat insulation performance and capable of effectively meeting requirement on heat insulation under the environment on the surface of the Mars, has obvious effect of light weight, can reduce the weight of a Mars lander, and is resource saving.

The invention discloses a photovoltaic assembly structure of a photovoltaic building part. The structure successively comprises a glass layer, a solar cell and a backboard from top to bottom. A backboard material is a metal sheet, glass or composite sheet material. An insulation film layer is arranged between the solar cell and the backboard. The solar cell and the insulation film layer are connected through an EVA rubber sheet. The insulation film layer and the backboard are connected through the EVA rubber sheet or an adhesion agent. The insulation film layer is a polyimide, polyethylene glycol terephthalate and polypropylene film or an organic silicon film. By using the photovoltaic assembly structure of the photovoltaic building part of the invention, an insulating property is good, a heat dissipation effect is good and production manufacturing cost is low; structure intensity of the photovoltaic assembly is increased; simultaneously, problems that bonding of the related materials is difficult, the EVA is easy to age and weather-proof performance is poor are solved; the photovoltaic assembly structure and other materials can be combined and form the photovoltaic building part and other products.

The invention discloses a detection system of an intelligent insulator detecting robot. The detection system of the intelligent insulator detecting robot comprises an execution system and a main control system, wherein the execution system comprises a sub-control system and a detection system; the sub-control system comprises a sub system controller, an I/O interface circuit, a motor interface, a second wireless communication module, a relevant travel switch, an execution motor set and a wireless image module; the detection system comprises an ultrasonic fault detector, a first wireless communication module and a camera; the main control system comprises a main controller, an image acquisition card, a wireless image module, a control input device, a third wireless communication module, a fourth wireless communication module and a monitor. The detection system of the intelligent insulator detecting robot is capable of carrying out charged defect detection on strut porcelain insulators to obtain size and positions of cracks, and is also capable of collecting working-state images of the operation site in real time to enable the workers on the ground to monitor the detection process in real time by using the monitor; the insulation performance requirement can be met; the safety of the operators, the power grid and the robot can be guaranteed.

The invention relates to an insulation composite material for an exterior wall and an application method. The composite material is characterized in that the interior and exterior surface layers of a rigid polyurethane layer are combined with inorganic hollow microsphere polymer composite insulation layers, an anti-crack mortar layer is arranged on the exterior inorganic hollow microsphere polymer composite insulation layer and a wall decoration layer is combined with the exterior surface layer of the anti-crack mortar layer. The application method is as follows: the exterior wall to be treated is sequentially coated with the interior hollow microsphere polymer composite insulation layer, rigid polyurethane and the exterior hollow microsphere polymer composite insulation layer, the anti-crack mortar layer is coated on the exterior hollow microsphere polymer composite insulation layer and the wall decoration surface layer is coated on the exterior surface layer of the anti-crack mortar layer. The composite material has good heat insulation property and quick construction method, is strongly adaptive to main structures, reaches higher flame retardant level, is energy-saving and environment-friendly, is suitable for insulation of various walls, especially exterior walls, and is applicable to floors.

The invention discloses an insulating fluororubber material for sealing a lithium battery and a preparation method thereof. The insulating fluororubber material comprises the following components in parts by weight: 100 parts of fluororubber, 5-15 parts of an insulating material, 12-30 parts of a reinforcing filler, 0.75-2.5 parts of a peroxide vulcanizing agent, 1.5-3 parts of a vulcanizing aid and 0.8-6 parts of a processing aid. The fluororubber material has excellent electrolyte resistance, volume expansion is less than 35% after the fluororubber material is soaked in an electrolyte, and mass expansion is less than 20%. Meanwhile, the material has good insulating property; the volume resistance of the material is more than 2 * 10 < 12 > omega.cm, the volume resistance is more than 1000M omega (1000V voltage, delayed reading is tested for 3 seconds) after the material is assembled into the sealing material of the lithium battery, the high-temperature compression set is below 20% (200 DEG C * 70 hours), and the sealing and insulating requirements of the lithium ion battery are met.

The invention provides a thermal insulation joint mixture and a laying method thereof. High-temperature-resistant anti-radiation fiber, a functional material and a high-temperature-resistant silicon rubber adhesive are adopted, wherein the high-temperature-resistant anti-radiation fiber is prepared by polyacrylonitrile pre-oxidized fiber and has high-temperature resistance, anti-radiation and enhancement functions; the functional material can prevent heat flow from being transferred into an aircraft; and the high-temperature-resistant silicon rubber adhesive adopts a room-temperature curing adhesive which can be used at the temperature of 350 DEG C or higher temperature, and has high-temperature resistance and adhesion functions.

The invention provides a wiring structure of a partial discharge test of a balance traction transformer. The wiring structure comprises a variable frequency power supply and a partial discharge detector, wherein the variable frequency power supply is connected with wiring terminals of two windings at a low-voltage side of the tested balance traction transformer; a neutral point of the tested balance traction transformer is supported; wiring terminals of one non-tested phase or two phases of windings at a high-voltage side of the tested balance traction transformer are grounded; a wiring terminal of the tested-phase winding at the high-voltage side of the tested balance traction transformer is grounded through a coupling capacitor and a detection impedor; and the signal output end of the detection impedor is connected with a partial discharge detector. Due to the adoption of the wiring structure, the partial discharge test for the balance traction transformer can be carried out and apparent discharge of the tested phase of the balance traction transformer is measured, so that whether the tested phase meets the insulating requirement or not is judged and the requirement of the balance traction transformer on the partial discharge test is met.

The invention supplies a environment protection energy saving heat preservation exterior wall coating material that contains polyvinyl alcohol 5-10%, acryloid cement 20-40%, cellulose liquor 10-20%, wollastonite in powder 10-30%, see-bubble powder 2-5%, asbestos fiber 1-4%, expanded perlite 5-12%, and water 10-30%. The raw material taking fully mixing to form thick slurry, it could be coated onto the wall. The invention has strong adhesion, high alkali resistance and high water resistance.