Polystyrene/graphite conductive compoiste material and its preparing method

The composite conductive polystyrene/graphite material includes styrene 100 weight portions, graphite 1.0-6.0 weight portions, initiator 1.0-2.5 weight portions, and suspending agent, 1.0-4.0 weight portions. One of the preparation process of the composite conductive polystyrene/graphite material is also disclosed. The composite conductive polystyrene/graphic material of the present invention hashigh conductivity as well as excellent mechanical performance and machining performance.

Elastic heat-insulation sealing material and preparation method thereof

The invention provides an elastic heat-insulation sealing material and a preparation method thereof. The elastic heat-insulation sealing material comprises a fiber base framework and room-temperature vulcanized silicone rubber, wherein the fiber base framework is composed of rigid chopped fibers and flexible long fibers. The method comprises the following steps: by using the fiber base as the framework and the room-temperature vulcanized silicone rubber as an adhesive, molding the fiber base framework, compounding with the silicone rubber adhesive, vulcanizing and the like. The method is easy and simple to operate, and has the advantage of small environmental pollution. The material can maintain low density, high heat insulation property, high elasticity and high technical properties in an application environment of lower than 400 DEG C, is suitable for hot sealing in a high-temperature application environment, and thus, has favorable application prospects in the fields of aerospace industry ...

Modified aluminum oxide aerogel composite material and preparation method thereof

The invention provides a silicon-aluminum aerogel composite material which comprises silicon-aluminum composite aerogel (1) and an inorganic fiber material (2), wherein the silicon-aluminum composite aerogel is prepared from a silicasol aqueous solution. The invention also provides a method for preparing the silicon-aluminum aerogel composite material, which comprises the steps of preparing the silicon-aluminum composite aerogel, dipping sol, gelatinizing, ageing, overcritically drying and the like. With excellent high-temperature resistance, good mechanical property and low thermal conductivity at high temperature, the silicon-aluminum aerogel composite material can meet the high requirement of thermal protection in the fields of aviation, aerospace and military affairs and can also be applied to the field of civil heat insulation.

Autocatalytic aerogel heat insulation composite material and preparation method thereof

The invention provides an autocatalytic aerogel heat insulation composite material. The aerogel heat insulation composite material consists of fiber material and aerogel, wherein the aerogel is prepared from silicon-based hydrosol and silicon alcohol salt. The invention also provides a method for preparing the aerogel heat insulation composite material with simple process and easy operation. The method comprises the steps of composite sol preparation, impregnation and jelling, ageing, supercritical drying treatment and the like. The aerogel heat insulation composite material has the advantages of high temperature resistance, controllable structure and performance, simple and convenient process and the like, can be applied in the civil heat insulation field, and can meet the special requirements of aviation, spaceflight or military affairs and the like.

Multi-element aerogel composite material and preparation method thereof

The invention provides a multi-element aerogel composite material, comprising fiber materials and the multi-element aerogel, wherein the multi-element aerogel is prepared from multi-element silicon alkoxide. The invention also provides a method for preparing the multi-element aerogel composite material with simple process and easy operation, which comprises the steps of preparing silicon sol, gumming, gelatinizing, aging, supercritically drying and the like. The multi-element aerogel composite material has the advantages of good flexibility, high hydrophobicity, controllable structure and performance and the like, can be used in the field of civilian thermal insulation, and can meet special requirements of aviation, spaceflight or military and other fields.

Multi-element aerogel composite material and preparation method thereof

The invention provides a multi-element aerogel composite material, comprising fiber materials and the multi-element aerogel, wherein the multi-element aerogel is prepared from multi-element silicon alkoxide. The invention also provides a method for preparing the multi-element aerogel composite material with simple process and easy operation, which comprises the steps of preparing silicon sol, gumming, gelatinizing, aging, supercritically drying and the like. The multi-element aerogel composite material has the advantages of good flexibility, high hydrophobicity, controllable structure and performance and the like, can be used in the field of civilian thermal insulation, and can meet special requirements of aviation, spaceflight or military and other fields.

Cr2O3 doped silicon dioxide aerogel material and preparation method thereof

The invention provides a Cr2O3 doped silicon dioxide aerogel material and a preparation method thereof. The preparation method of the Cr2O3 doped silicon dioxide aerogel material comprises the following steps: taking a silicon source as a precursor, adopting an inorganic compound containing the Cr element and an organic compound as doping ions, mixing the compounds with a solvent, a complexing agent and a catalyst to form a composite sol, conducting impregnation technology to be compounded with reinforced fibers, carrying out gelatinizing, ageing, solvent replacement, supercritical carbon dioxide drying, high-temperature pretreatment and other technologies to obtain the product. The preparation method disclosed by the invention is to conduct metal Cr doping and modification on the aerogel through a complexing-gelatinizing method, skillfully combine the complexing reaction with the gelatinizing reaction to increase the complexing force of the metal Cr doping ions in the gel system, effectively ...

Silicon-aluminium aerogel composite material and manufacturing method thereof

Sludge scraper for clarifier

The invention provides a sludge scraper for a clarifier, which comprises a bracket, a cylinder body, a flow guide device, a sloping plate, a sludge scraping machine and a reducing motor. The sludge water enters a first-stage flow guide cylinder through a sludge water inlet, is reflected and distributed by a first-stage reflecting plate to enter a second-stage flow guide cylinder and then reflected and distributed by a second-stage reflecting plate, and, by the same way, is distributed by a last-stage reflecting plate to enter the cylinder body. The flow velocity of the sludge water at the sludge water inlet is set to allow the sludge water passing through the last-stage reflecting plate to just reach the farthest edge of the cylinder body, so that the degree of turbulence caused by the incoming water is reduced to the lowest. The sloping plate is arranged inside the cylinder body to allow the upward flow to move up along the surface of the sloping plate, so that on the one hand, the sloping ...

Intelligent temperature control efficient heat preservation cup

The invention provides an intelligent temperature control efficient heat preservation cup. The intelligent temperature control efficient heat preservation cup comprises a cup body, and is characterized in that the cup body comprises an inner cylinder wall, a heat conduction phase change layer, an aerogel thermal insulating layer and an outer cylinder wall, which are sequentially arranged from inside to outside. Due to the fact that the intelligent temperature control efficient heat preservation cup is made of high thermal conductivity phase change material and aerogel material, the intelligent temperature control efficient heat preservation cup has the remarkable advantages of being rapidly cooled to needed temperature, and capable of maintaining the needed temperature for a long time. The intelligent temperature control efficient heat preservation cup is wide in use, can replace a daily hollow thermal insulating cup and a daily vacuum thermal insulating cup in daily water drinking, and ...

Silicon-aluminium aerogel composite material and manufacturing method thereof

The invention provides a silicon-aluminium aerogel composite material, comprising (1) silicon-aluminium compound aerogel and (2) inorganic fiber material. The invention further provides a method for manufacturing silicon-aluminium aerogel composite material with simple technology, comprising the steps of preparing silica sol, preparing aluminium sol, preparing silicon-aluminium compound sol, dipping sol, gelatinizing, ageing, overcritical drying, etc. With excellent high-temperature resistant performance, nice mechanical property and lower thermal conductivity at high temperature, the silicon-aluminium aerogel composite material can meet the high demand of thermal protection in respect of aviation, space flight and military affairs and can be applied to the civil heat insulation field.

Phonosensitive sound standing wave presentation device

The utility model discloses a phonosensitive sound standing wave presentation device, including base, standing wave tube, phonosensitive strip and speaker, the base supports the standing wave tube. The built -in smooth signal control circuit who turns into the sound size light emitting diode luminance size in the phonosensitive strip, light signal control circuit includes sound signal acquisition circuit, signal amplification circuit, light signal display circuit and multi resonant oscillation circuit. The utility model discloses it has following advantage to compare prior art: the utility model discloses a phonosensitive sound standing wave presentation device adopts double -colored emitting diode, and demonstration sound standing wave phenomenon inserts audio signal with the speaker, and everywhere air amplitude difference leads to the sound variation in size that the phonosensitive strip on the standing wave tube recorded in the standing wave tube for emitting diode luminance on the ...

Motor -driven hank grinds protection casing

The utility model discloses a motor -driven hank grinds protection casing is connected with the fixed bolster by the shell body and constitutes, the shell body comprises arch section and long rod shaped part, is convenient for wrap up in interior flexibly twisting the mechanical rotary mechanism who grinds. The fixed bolster comprises a plurality of right angles type flap, be provided with the mounting hole on the right angle shape flap, with the assembly screw looks adaptation on the motor -driven hank mill, right angle type flap welds respectively the tip or the middle part of shell body. The shell body all adopts the welding of 0.6mm galvanized steel sheet, riveting to form with the fixed bolster, and processing is simple, low cost. The utility model discloses can be convenient install and remove, the field usage of being convenient for, processing is simple, low cost. The protection casing wide coverage can effectively be avoided the rotating part to expose and hurt sb. 's feelings.

Extra -high voltage transformer substation makes somebody a mere figurehead generating line conductor spacer installing the system

The utility model provides an extra -high voltage transformer substation makes somebody a mere figurehead generating line conductor spacer installing the system, including the pulling equipment, corner block, traction cable, ropeway carrying -rope, be used for adjusting chain block, the bearing coaster that is used for supporting the traction cable when pulling that the ropeway carrying -rope arc hangs down, install on extra -high voltage transformer substation framework and be used for installing the bearing coaster and connect the ropeway carrying -rope the fastening means, can pull electronic manned driving. The utility model discloses not only can solve the characteristics that conventional electronic driving climbing capability is not enough, the more electronic driving of efficiency wants high moreover. Constructor takes and can pull electronic manned driving and reach the appointed place and carry out conductor spacer installation, assurance construction quality that can be fine, ...

Gas-phase hydrophobization device

The invention provides a gas-phase hydrophobization device which comprises a main tank body, a gas delivery pump and a bracket, wherein the bracket is arranged in the main tank body; a to-be-dewatered aerogel piece is arranged on the bracket; the main tank body comprises a tank body main body and a tank body cover; multiple gas output pipelines are uniformly distributed on the middle upper part of the tank body main body, and are connected with the gas inlet end of the gas delivery pump by virtue of a pipeline; multiple gas input pipelines are uniformly distributed on the lower part of the tank body main body, and are connected with the gas outlet end of the gas delivery pump by virtue of a pipeline; a bottom gas entry main pipeline is arranged in the bottom center of the tank body main body and is connected with the gas outlet end of the gas delivery pump by virtue of a pipeline; a hydrophobization reagent inlet is formed in the bottom of the tank body main body; the gas input pipelines ...

Aerogel thermal insulation coating and preparation method thereof

The invention provides an aerogel thermal insulation coating and a preparation method thereof. The raw materials of the aerogel thermal insulation coating comprise silicon dioxide wet gel and a coating, wherein the weight ratio of the wet gel to the coating is 1:(0.1-1); and the wet gel is prepared by adopting a sol-gel method. The step of preparing aerogel powder is canceled, the wet gel and the commercially available coating are directly mixed, the wet gel is synchronously, slowly and naturally dried in the natural coating airing process, and finally the aerogel coating with excellent heat-insulating property can be obtained.

Polyalcohol solid-solid phase-change composite material and preparation method thereof

The invention provides a polyalcohol solid-solid phase-change composite material. The polyalcohol solid-solid phase-change composite material comprises a polyalcohol solid-solid phase-change material and a resin base material, is capable of avoiding the problems of melt flow and osmotic migration, and has wide phase-change temperature range, big phase-change latent heat, and adjustable phase-change temperature and phase-change latent heat. The invention further provides a method for preparing the polyalcohol solid-solid phase-change composite material. The method can be used for preparing the polyalcohol solid-solid phase-change composite materials with all profiles and good constancy and in all sizes. The preparation technology is simple and free from environment pollution. The polyalcohol solid-solid phase-change composite material of the invention has wide application value in the fields, such as the heat protection of aircrafts, the constant-temperature temperature control of precise ...

Extra -high voltage strain insulator shaft tower construction hole turns to card

The utility model discloses an extra -high voltage strain insulator shaft tower construction hole turns to card, including cross arm curb plate (4), fixed mounting has preceding cross arm (1) and back cross arm (2) on the cross arm curb plate, cross arm draw -in groove (9) is constituteed to preceding cross arm, back cross arm and cross arm curb plate, before being equipped with on the preceding cross arm screw (3), be equipped with back cross arm screw (6) on the back cross arm, cross arm curb plate one side one shot forming has atress curb plate (8), construction hole (7) have been seted up on the atress curb plate, on the atress curb plate fixedly connected with angle steel (5), cross arm behind the angle steel fixedly connected with. This construction hole turns to refined the forming of card adoption high strength aluminum alloy material, and under normal atmospheric temperature, its yield strength reaches 860Mpa, and specified mechanical load 15KN, proof load reach 30KN, and safety ...

Sound standing wave demonstration appearance

The utility model discloses a sound standing wave demonstration appearance, including the support, the both ends of support all are equipped with an annular bayonet socket. Still include standing wave tube, phonosensitive strip and speaker, the standing wave tube is equipped with the open -ended pipe for both ends, and the standing wave tube is equipped with a recess along length direction's side, the phonosensitive strip install in in the recess, the interval is equipped with a plurality of mouthpieces on the phonosensitive strip, and the speaker is installed in an open end of standing wave tube. The utility model discloses it has following advantage to compare prior art: the utility model discloses a sound standing wave demonstration appearance inserts audio signal with the speaker, and everywhere air amplitude difference leads to the sound variation in size that the phonosensitive strip on the standing wave tube recorded in the standing wave tube for emitting diode luminance on the phonosensitive ...

Fiber composite carbon aerogel material and preparation method thereof

The invention provides a fiber composite carbon aerogel material which comprises carbon aerogel and an inorganic fiber material, wherein the mass ratio of the carbon element to the inorganic fiber material in the carbon aerogel is 1:1-300. The invention also provides a method for preparing the fiber composite carbon aerogel material, which comprises the following steps: preparation of phenolic aldehyde solution, preparation of fiber composite phenolic aldehyde gel, aging of the fiber composite phenolic aldehyde gel, drying of supercritical fluid, reaction in an atmosphere cracking furnace, and the like. The fiber composite carbon aerogel material has the advantages of favorable moldability, good high temperature resistance, outstanding high-temperature heat-insulating property, low density and high compressive resistance; and the fiber composite carbon aerogel material can conduct electricity, be used as a catalyst carrier material, electrode material or high-temperature heat-insulating ...

Can pull electronic manned driving

The utility model provides a can pull electronic manned driving, its characterized in that: include wheel carrier subassembly, vaulting pole subassembly, latching assembly, bracket component, support subassembly, controller subassembly, foot rest lever, connecting rod, be used for to control ging forward and recessional hall commentaries on classics handle of driving to and be used for connecting the pivot of support subassembly and foot rest lever, the controller subassembly changes by the battery with according to the hall to be constituteed the signal of transmission with control motor corotation and direction changing control panel. Constructor takes the utility model discloses a can pull electronic manned driving reachs the appointed place and carries out conductor spacer installation, assurance construction quality that can be fine, the conductor spacer installation problem when the built on stilts generating line of very economic solution 1000kV extra -high voltage transformer substation ...

Image generation method and device, storage medium and program product

The invention discloses an image generation method and device, a storage medium and a program product. The method is applied to a terminal device, a rendering system where the terminal device is located further comprises a far-end device, and the method comprises the steps that first state information is sent to the far-end device, and the first state information comprises first position information and first posture information of terminal equipment where the terminal device is located; obtaining an intermediate rendered image according to a first rendered image corresponding to the first state information, indication information of a motion area in the first rendered image, texture information of the motion area and a motion trend of the motion area; obtaining second depth information according to the first depth information of the first rendered image and the motion trend of the motion area; and rendering is carried out according to the intermediate rendering image, the second depth ...

A safe U type ring for climbing iron tower

The utility model discloses a safe U type ring for climbing iron tower, including tower material (3), still include U type ring (5), be equipped with through -hole (4) on the tower material, the tower material pass through the through -hole with U type ring links together, pass through -hole and the U type ring that stretches out the tower material partial are end (6), be provided with the screw thread on the end, be connected with locking cap (1) and locking circle (2) on end (6). Through trompil on the tower material, make tower material and U type ring fixed connection. The screw thread entirely on the end of U type ring, in the time of can guaranteeing that locking cap and locking circle are connected with the end, the dead U type ring of lock. Thereby make the staff when scrambleing or crossing the cross arm, utilize the safety belt to hook U type hole, guarantee staff's safety.

Thermal insulation joint mixture and laying method thereof

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.

Road crossing device for power grid construction

The invention discloses a road crossing device for power grid construction. The road crossing device comprises vertical insulating members, vertical supporting members, an insulating crossbeam and wire passing wheels. Each side of the road crossing device comprises at least one vertical insulating member which is vertically overlapped and supported on the corresponding vertical supporting member. The tops of the vertical insulating members on two sides are connected through the insulating crossbeam. The wire passing wheels are mounted at the top of the insulating crossbeam. The vertical insulating members and the insulating crossbeam are formed by assembly of fiberglass epoxy resin tubes filled with foam inside. The vertical insulating members and the insulating crossbeam are formed by assembly of the fiberglass epoxy resin tubes filled with the foam inside, so that the defects of conventional materials such as moso bamboos, China firs and steel tubes in current crossing construction are ...

Organic-inorganic hybrid light transmission aerogel material and preparation method thereof

The present invention provides an organic-inorganic hybrid light transmission aerogel material and a preparation method thereof, wherein the aerogel is prepared by adopting acryloxy-containing silicon alkoxide, an organic acid solvent and an initiator as raw materials. According to the method, a silicon source easily obtained in the chemical industry is adopted as a silicon precursor, an organic acid is adopted as a solvent, a silicon alkoxide acidolysis-condensation polymerization reaction and a double bond polymerization reaction are concurrently performed, one-pot gelatification is performed, and a normal pressure drying method is combined to obtain the organic-inorganic hybrid light transmission aerogel material containing C-C and Si-O bonds and having a porous network structure, good light transmittance and excellent flexibility, wherein the obtained material has potential application prospects in the light transmission and thermal insulation field.

Stirling machine presentation device

The utility model discloses a stirling machine presentation device, including the basin, arrange the cold chamber heat exchanger soft breeze flabellum of basin in. The basin embeds the baffle, and cold chamber heat exchanger includes casing, rotor, at least three connection blade. The rotor with connect the blade and arrange the casing in, and the center of rotor is equipped with the pivot, connects the one end of blade and is connected with the rotor cooperation, the other end fixed connection of connection blade is on the internal surface of casing. The connection blade the rotor with the casing will cool the chamber heat exchanger cuts apart to become at least three sealed cavity. The utility model discloses it has following advantage to compare prior art: the utility model provides a pair of stirling machine presentation device utilizes cold and hot basin for the casing temperature is different, and when the rotor rotated, the volume of every cavity took place cyclic variation, and ...

一种聚苯乙烯/石墨导电复合材料及其制备方法

... 本发明公开了一种聚苯乙烯/石墨导电复合材料，包括如下组份及其含量(重量份)：苯乙烯100，石墨1.0-6.0，引发剂1.0-2.5，悬浮剂1.0-4.0。本发明还公开了一种聚苯乙烯/石墨导电复合材料的制备方法。本发明的聚苯乙烯/石墨复合材料同时具有高电导率和良好力学性能、加工性能。 ...

Fiber-reinforcement silicon dioxide aerogel continuous felt and preparation method thereof

The invention provides a fiber-reinforcement silicon dioxide aerogel continuous felt which comprises silicon dioxide aerogel and reinforcing continuous fibers. The invention also provides a method for preparing the fiber-reinforcement silicon dioxide aerogel continuous felt, which comprises the following steps: rolling, preparation of silica sol, gum dipping, aging, surface treatment, drying of supercritical fluid, and the like. The method has the characteristics of simple technological process, low cost, high safety, high efficiency and the like. The aerogel continuous felt has the advantages of large specific surface area, favorable hydrophobicity, high mechanical strength, extremely low coefficient of heat conductivity, large size and the like, can meet serious requirements for heat protection in aviation, spaceflight, military affairs and civil affairs, and can be used in the fields of flame resistance, sound insulation and/or gas absorption, and the like.

Subject follow-up visit management system

The subject follow-up visit management system comprises a storage module, a supervision module, an input module, a plan management module and an evaluation module. The system has the advantages that the plan management module is utilized to push the follow-up task to the testee and the research doctor according to the established plan, the testee and the research doctor complete the follow-up task together, and the research doctor fills and submits the follow-up record according to the follow-up result of the testee; then, a judgment module in the system judges and scores the medication compliance of the testees and the body index results after medication, subjects with poor compliance in the test process are removed according to scores, and then the testees unsuitable for continuing to participate in the test due to body reasons are subjected to falling treatment according to the scores; the problems that an existing patent mentioned in the technical background does not have the judgment ...

Fiber composite carbon aerogel material and preparation method thereof

The invention provides a fiber composite carbon aerogel material which comprises carbon aerogel and an inorganic fiber material, wherein the mass ratio of the carbon element to the inorganic fiber material in the carbon aerogel is 1:1-300. The invention also provides a method for preparing the fiber composite carbon aerogel material, which comprises the following steps: preparation of phenolic aldehyde solution, preparation of fiber composite phenolic aldehyde gel, aging of the fiber composite phenolic aldehyde gel, drying of supercritical fluid, reaction in an atmosphere cracking furnace, and the like. The fiber composite carbon aerogel material has the advantages of favorable moldability, good high temperature resistance, outstanding high-temperature heat-insulating property, low density and high compressive resistance; and the fiber composite carbon aerogel material can conduct electricity, be used as a catalyst carrier material, electrode material or high-temperature heat-insulating ...

High-performance thermal insulation material and preparation method thereof

The invention provides a high-performance thermal insulation material and a preparation method thereof. The thermal insulation material comprises silicon dioxide aerogel and a fiber material, wherein, the silicon dioxide aerogel takes silicon dioxide hydrosol as a raw material, and is prepared by adding a catalyst. The method comprises the following steps: sol preparing, sol dipping, gelating, gel ageing, hydrophobization treating and drying and the like. The method can conveniently and selectively prepare the materials of planes, abnormal-shape surfaces and multiple sizes, has simple and convenient operation and small environmental pollution. The material has excellent mechanical performance, good high-temperature stability and heat insulation performance, and has wide application prospect in the fields of civilian industries, space flight and aviation industries, military industries and the like.