255 results about "Insulation system" patented technology

The invention belongs to the technical field of ship liquid cargo tanks, and discloses a liquid cargo tank heat insulation system and an installation method thereof. The liquid cargo tank heat insulation system comprises a filling mechanism, a fastening mechanism and a plurality of heat insulation blocks, the multiple heat insulation blocks are sequentially laid on a liquid cargo tank shell, each heat insulation block is in an I shape, a splicing gap between any two adjacent heat insulation blocks is in a shape like a Chinese character'zhong ', the splicing gaps are filled with the filling mechanism, and the fastening mechanism is arranged between the filling mechanism and the heat insulation blocks. A fastening mechanism penetrates through each heat insulation block, the bottoms of the fastening mechanisms are fixedly connected with the liquid cargo tank shell, the tops of the fastening mechanisms extend out of the heat insulation blocks, and the fastening mechanisms are configured to fasten the corresponding heat insulation blocks to the liquid cargo tank shell. According to the liquid cargo tank heat insulation system, the connecting stability of the heat insulation blocks on the liquid cargo tank shell is guaranteed, the heat insulation blocks are prevented from falling off from the liquid cargo tank shell, the filling stability of the filling mechanisms in the splicing gaps is also guaranteed, the filling mechanisms are prevented from falling off, the cost is low, and construction installation and repairing operation are convenient.

The invention provides a well wall heat insulation hollow microsphere and a preparation method thereof. A sealed vacuum cavity is formed in the well wall heat insulation hollow microsphere, a polymer layer is arranged on the surface of the well wall heat insulation hollow microsphere, the polymer layer is provided with cationic groups and anionic groups, and aerogel nano powder is embedded in the polymer layer. The invention also provides a preparation method of the well wall heat insulation hollow microsphere. The well wall heat insulation hollow microspheres have high compressive strength, and the heat conductivity coefficient is reduced; efficient well wall adsorption can be achieved through the synergistic effect of anion groups and cation groups, the defects that a traditional heat insulation material is prone to breaking, fast in heat conduction and ineffective in adsorption under the high-temperature and high-pressure environment of an ultra-deep well are overcome, and the material is suitable for an ultra-deep and ultra-deep oil and gas well drilling fluid system. A multistage pore heat insulation system is constructed through the zwitterionic polymer and the aerogel nano-powder, and a rough surface structure can be provided to assist the microspheres in adsorbing well wall rocks.

The invention belongs to insulation of superconducting power equipment, and particularly relates to a breakdown voltage prediction method for a liquid nitrogen, insulation barrier and bubble composite system. Comprising the following steps: acquiring electric field distribution characteristic parameters of the resistance type superconducting current limiter through simulation, and designing an equivalent electrode structure capable of reproducing electric field characteristics in a liquid nitrogen environment; establishing a first breakdown voltage prediction model taking the insulation barrier position parameters and the electrode spacing as variables; calculating the surface heat flux of the superconducting strip in the quench fault state; and introducing a bubble influence factor for correction to obtain a second breakdown voltage prediction model. A complex actual insulation system prediction problem is converted into an equivalent model problem which can be verified in a laboratory. And an accurate basis is provided for the insulation design of the resistance-type superconducting current limiter.

An electrical conductor monitoring system for single or multi-phase conductors is described. The monitoring system may be configured to monitor the health of a conduction system based on multi-phase sequences and / or current magnitude and angle vectors of multi-phase or single-phase current. In one example, the monitoring system includes an insulation health monitoring system having an input and output measurement devices, the input measurement device disposed at an input end of the electrical distribution system and structured to measure three-phase input currents, the output measurement device disposed at an output end of the electrical distribution system and structured to measure three-phase output currents; and a monitoring device communicatively coupled to the measurement devices and structured to receive the three-phase input and output currents from the measurement devices and determine a state of the insulation system based on the three-phase input and output currents. Other embodiments are described.

The invention discloses a graphite purification furnace based on a gradient flow-equalizing gas permeation structure and a gas distribution method thereof, belongs to the technical field of high-purity material preparation, and aims to solve the problem of inconsistent product purification degree caused by non-uniform gas flow distribution in a traditional purification furnace. The core is that an annular gas flow equalizing cavity filled with a graphite soft felt is constructed in a heat insulation layer, and gas realizes pressure equalization and preheating in the cavity; micropores distributed in a gradient mode are formed in the inner-layer heat insulation hard felt to serve as a seepage face, natural convection is resisted through the distribution strategy that the upper portion is dense and the lower portion is sparse, and uniform and low-speed seepage of gas from the periphery to the center is achieved. The device also supports partitioned gas inlet and can cooperate with a heating system to realize fine regulation and control of a temperature-atmosphere field in the furnace, and the scheme can significantly improve the product purification uniformity, the gas utilization rate and the process flexibility, and is compact and reliable in structure.

This invention discloses a method and system for predicting the dissolution time of bubbles in oil-paper insulation, belonging to the field of electrical equipment insulation technology. The method includes: calculating the amount of various gases dissolved per unit volume of oil after the gas dissolution in oil reaches equilibrium; using 47℃ as a reference temperature, extrapolating this data to other temperatures and solubilities using the Arrhenius relation, and calculating the diffusion coefficients of various gases in oil at each temperature; calculating the diffusion coefficients of various gases in paper at each temperature; establishing a prediction model for the dissolution time of bubbles in oil-paper insulation, and calculating the dissolution time. This invention considers three factors—gas solubility in oil, diffusion coefficient in oil, and diffusion coefficient in paper—that vary with temperature and gas type, and calculates the dissolution time of a single stationary bubble in oil-paper insulation. This effectively reduces the risk of bubbles during transformer operation and can be widely applied to oil-paper insulation systems with the same kinetic description.

The invention relates to an insulation anchor (1) for attaching a component to an insulation system. The insulation anchor (1) comprises a base body (6) with a screw channel (7) and, at the rear end of the base body (6), a flange (9) projecting radially outwards beyond the base body (6) in relation to a longitudinal axis (8) of the insulation anchor (1). A screw can be screwed into the insulation anchor (1) via the screw channel (7), thereby attaching the component to the insulation anchor (1). Furthermore, at least one recess (13) is provided in the flange (9), which locally reduces the thickness (12) of the flange (9) measured in the direction of the longitudinal axis (8). The flange recess (13) has a diameter (14) that is smaller than the diameter (15) of the screw channel (7), so that a screw can be screwed into the flange recess (13) when the screw channel (7) is not in the area of ​​a mounting opening of the attachment.

The invention relates to a method and equipment for testing radiant heat and humidity weather resistance of a building external wall thermal insulation system, and belongs to the technical field of radiant heat and humidity weather resistance tests of building external wall thermal insulation systems. Comprising a box body, a radiation device, a temperature adjusting device, a humidity adjusting device, a spraying device, an air humidity sensor, an air temperature sensor and a control system, the device introduces a radiation source for simulating the sun, is more suitable for the external environment used for building external wall heat insulation, can consider the influence of radiation on the building external wall heat insulation system, and increases the test state of the building external wall heat insulation system under the hot and humid conditions.

A system for insulating a curtain wall structure is disclosed. The system includes a plurality of insulation hangers, curtain wall insulation, and safety insulation. The insulation hangers include a reinforcing member that engages a horizontal transom of the curtain wall structure. The system is attached only to the horizontal transoms of the curtain wall structure via the insulation hangers to facilitate installation and / or improve reliability.

This invention relates to an insulating oil and an oil-paper insulation system containing superhydrophobic nanoparticles, as well as their preparation method and application, belonging to the field of electrical equipment insulation technology. This invention provides an insulating oil containing superhydrophobic nanoparticles, wherein the superhydrophobic nanoparticles are silane-modified nanoparticles, and the nanoparticles include at least one of SiO2, TiO2, and h-BN; the insulating oil includes at least one of mineral insulating oil, synthetic insulating oil, and natural ester insulating oil. This invention achieves the superhydrophobicity of the nanoparticles and good compatibility with the oil phase through silane modification. Adding silane-modified nanoparticles to the insulating oil effectively reduces the water content of the insulating oil and optimizes the interfacial performance of the oil-paper. Combined with the low-temperature, high-efficiency, and uniform rapid impregnation process of this invention, the overall electrical performance and service life of the oil-paper insulation system are significantly improved.

The application relates to the technical field of building materials, and particularly discloses a light self-insulation UHPC roof panel and a forming process thereof. The light self-insulation UHPC roof panel comprises a UHPC structural base plate, an insulation system, a double-seal splicing system and a mechanical connection system; the insulation system is arranged in the UHPC structural base plate, and the insulation system comprises an insulation cavity framework and a vacuum insulation panel (VIP); the vacuum insulation panel is filled and arranged in a cavity formed by the insulation cavity framework; the thickness of the vacuum insulation panel is 35-45 mm, and the heat conductivity coefficient is less than or equal to 0.008 W / (m*K). The application also provides a forming process of the light self-insulation UHPC roof panel. The light self-insulation UHPC roof panel provided by the application can realize the comprehensive effects of light weight, high strength, ultra-low heat conduction insulation and long-acting waterproofing, and is convenient to assemble, efficient to construct, has obvious construction period advantages and has wide engineering application prospects.

This application relates to the field of battery technology and proposes a battery cover assembly and a secondary battery. The battery cover assembly includes a top cover, a negative terminal assembly, a sealing element, a flange, and a second insulating element. The top cover has a terminal hole. The negative terminal assembly includes a separate and fixedly connected aluminum part and a copper part, with a first insulating element surrounding the joint. The copper part passes through the terminal hole. The sealing element is located between the copper part and the inner wall of the terminal hole. A flange extending towards the negative terminal assembly is provided at the edge of the terminal hole, and this flange presses against the first insulating element. The second insulating element fills the annular area defined by the flange, the first insulating element, and the outer periphery of the aluminum part, and is combined with the top cover. This solution reduces material costs by separating the aluminum and copper parts, and constructs a layered mechanical fixing and electrical insulation system by combining flange pressing and secondary injection molding sealing. This solves the long-standing problem of insulation and sealing reliability between the terminal and the cover, while simplifying the assembly process.

The utility model relates to the technical field of insulation boards, in particular to a composite insulation board insulation system. According to the technical scheme, the wall comprises a wall body, and a bonding mortar layer is arranged on one side of the wall body; the heat preservation assembly is arranged on the outer side of the adhesive mortar layer and used for heat insulation, and an anti-crack mortar layer is arranged on the outer side of the heat preservation assembly. According to the utility model, the clamping strip is inserted into the clamping groove through the insertion opening, and the sealing glue is filled in the clamping strip; a connecting layer adhesive enters the clamping grooves through the through holes to seal gaps between the first heat insulation plate and the second heat insulation plate and the vacuum heat insulation plate, it can be ensured that the vacuum heat insulation plate is compounded between the first heat insulation plate and the second heat insulation plate in a sealed mode, a sealed cavity is formed, air leakage and virtual adhesion caused by the gaps existing in compounding are avoided, and the service life of the vacuum heat insulation plate is prolonged. The heat preservation effect and the mechanical effect are improved.

This application provides a structure and installation method for a thermal bridge-free connection node for building exterior walls, belonging to the technical field of thermal bridge connection structures for building exterior walls. It includes a precast wall, with the outer side of the precast wall being the indoor side and the inner side being the outdoor side, and a thermal inertia matching layer disposed on the inner side of the insulation board. This structure and installation method for a thermal bridge-free connection node for building exterior walls solves the defects of traditional exterior wall joints, such as significant thermal bridging effects at the connectors, thermal stress cracking at the interfaces of different materials due to abrupt changes in thermal conductivity, and the difficulty in balancing mechanical connection and thermal performance, by placing the thermal inertia matching layer between the insulation board and the cement backing board. It achieves the goal of completely blocking heat conduction along the axial direction of the connector while meeting structural load-bearing requirements, and ensuring smooth heat flow transition between structural layers, significantly improving the energy-saving performance and long-term stability of the exterior wall insulation system.

The invention discloses a preparation method and device of a lithium ion battery silicon-based negative electrode precursor silicon material. The method is carried out in a polycrystalline silicon ingot furnace with a modified heating and heat insulation system. In the heating and heat insulation system, a plurality of quartz crucibles with the same size are uniformly arranged on a heat exchange table to replace original standard large-size quartz crucibles, the adjacent quartz crucibles are separated by heat insulation plates which are not lower than the tops of the quartz crucibles, and water-cooling cold plates are embedded in the upper surface of a heat insulation bottom plate to serve as active cooling units; the preparation method comprises the following steps: (1) charging and vacuumizing; (2) melting and homogenizing; (3) directional solidification: when the temperature of the silicon material is reduced to the initial solidification temperature of 1410-1420 DEG C, starting an active cooling unit, and introducing cooling liquid into a cooling flow channel in a water-cooling cold plate; the instantaneous cooling rate in the process of controlling the temperature of the solid-phase silicon material to be reduced from 1410-1420 DEG C to 1240-1250 DEG C is maintained at 3.5-5.5 DEG C / min; finally solidifying the silicon material into a silicon ingot; (4) annealing; and (5) cooling.

The invention discloses an offshore photovoltaic transformer and a photovoltaic system. The transformer comprises a high-voltage winding, a low-voltage winding and a composite insulation system, the high-voltage winding is arranged at one end of a bottom plate of the transformer oil tank and adopts an entangled coil structure; the low-voltage winding is arranged at the other end of the bottom plate of the transformer oil tank and adopts a double split coil structure; the composite insulation system comprises a multi-stage insulation isolation assembly, the multi-stage insulation isolation assembly is arranged between the high-voltage winding and the low-voltage winding, and a plurality of heavy oil gap intervals are arranged in the multi-stage insulation isolation assembly so as to form a multi-step type insulation barrier. The transformer has the characteristics of ultra-large voltage transformation ratio, double-split low-voltage input and the like, and can at least solve the problem that an existing transformer is difficult to meet the requirements of an offshore photovoltaic power station in the aspects of voltage conversion, power supply reliability and the like.

Exhaust insulation systems and methods are described that include a base insulation layer disposed about a section of a workpiece such as an exhaust pipe. Exhaust insulation systems and methods are described that further include an uncured elastomer tape wrapped over the base insulation layer. Exhaust insulation systems and methods are described that further include a cured continuous outer elastomer layer.

The utility model provides a device for testing the fire resistance of a heat insulation system structure, the heat insulation system structure covers the surface of a profile, the device comprises a furnace body, a furnace cover, an air outlet, a heater and a probe, the furnace body forms a furnace chamber, a furnace mouth located at the top of the furnace chamber and a furnace bottom located at the bottom of the furnace chamber, and the furnace cover is arranged at the furnace mouth and covers the furnace mouth. The section bar is vertically arranged at the furnace bottom, the probe is arranged on the surface of the section bar, and the heater penetrates through the furnace body to supply heat into the furnace cavity. According to the utility model, the furnace mouth and the furnace cover are arranged at the top of the furnace chamber, so that the section bar can be hoisted from the furnace mouth, the furnace cover is used for sealing the furnace mouth, the heater is used for forming a high-temperature environment in the furnace chamber, the probe is used for collecting the surface temperature of the section bar in real time, the air outlet is used for discharging flue gas in the furnace chamber, and the whole detection process is convenient to operate and accurate in test data.

The invention discloses a building roof heat preservation and insulation system and a construction method thereof, and belongs to the technical field of roof heat preservation and insulation, the building roof heat preservation and insulation system comprises a plurality of extruded polystyrene boards laid on a roof, an aluminum foil reflecting film is laid on the surface of each extruded polystyrene board, and the surface of each aluminum foil reflecting film is coated with polymer cement mortar. The roof is provided with a fixing assembly used for fixing the extruded polystyrene board to the roof. The method has the effect of improving the heat preservation and insulation effect of the roof.

An X-ray detector can incorporate an aerogel insulator that encloses one or more thermoelectric coolers (TECs) and sensors of the X-ray detector to provide insulation instead of vacuum encapsulation. The aerogel insulator can be poured in gel form into an assembled X-ray detector to encase components such as the TEC, wire connections, amplifiers, and possibly the sensor, and then dried to form the aerogel insulator.

Improved reflective insulation system. Thermal insulation system for a building, comprising an insulating veil, said insulating veil comprising two external films (10, 20) bonded together to form pockets, said insulating veil further comprising a separating film (60), comprising a primary separating film (70) and a secondary separating film (80) partially bonded together, so as to present an alternation of bonded portions and unbonded portions between the two elementary films so as to define a plurality of airtight cavities (62), said separating film (60) bonded in contact with an external film (10, 20) of the layer, said separating film having a plurality of airtight cavities, in which each insulating veil comprises at least one internal film (30), extending between the external films so as to subdivide each pocket into sub-pockets, each sub-pocket comprising a layer of insulating material (50),said insulating material mat (50) being composed of non-woven material fibers and having recesses (52). Figure for the abbreviation: Fig. 1.,

The utility model relates to the technical field of fire prevention devices, in particular to a cabin fire prevention and heat insulation system which comprises a fire prevention grating, a fire prevention penetrating piece, a fire prevention and heat insulation plate and a plurality of connecting assemblies, the fire prevention grating covers a first opening in the fire prevention and heat insulation plate and can rapidly expand and close the opening in case of fire, fire spreading is blocked, and the fire prevention and heat insulation effect is good. The fireproof penetration piece is arranged in the second opening of the fireproof heat insulation plate in a penetrating mode and used for arranging a cable and a pipeline in a penetrating mode and protecting the cable and the pipeline against fire damage, the fireproof protection layer comprises a first protection layer, an isolation layer and a first heat insulation layer, and the fireproof heat insulation layer comprises a core layer, a second heat insulation layer and a second protection layer; through reasonable material selection and interlayer matching, heat management is optimized, the fireproof performance is improved, a fireproof heat insulation gasket in the connecting assembly blocks heat transfer on the connecting assembly, the fireproof heat insulation plate is fixed and supported through an aluminum alloy plate, angle iron and other assemblies, and it is ensured that the fireproof heat insulation system is stable in structure and convenient to install and maintain.

The present invention relates to an insulation system (1) for insulating electrical machines, comprising A) at least one insulating paper (2) comprising a first protective layer (4) and an insulating layer (6), and B) at least one cover layer (10), wherein the cover layer (10) has a CTI value according to IEC 60112 of > 600 V and / or a PLC / PTI value according to UL 746 of zero. The invention further relates to the use of the insulation system (1) for insulating electrical machines and to insulation (100) obtained or obtainable from the insulation system (1). The invention also relates to a stator (200) of an electrical machine, wherein the stator core (202) has insulation (100) at the slots (214a, 214n). The invention further relates to a method for insulating an electrical machine.

The invention relates to the technical field of track insulation construction, in particular to an electric flat car track and equipment foundation insulation method. According to the technical scheme, insulating material parameters are matched according to construction environment humidity; and then a multi-layer insulation system is constructed through the four steps that insulation grouting materials are poured into the embedded bolt holes, the top face of the foundation is coated with insulation paint, an insulation cushion leather plate is laid, a rail is installed and fixed through a rubber rail pressing device, and secondary insulation grouting is conducted on the upper portion of the rail. Insulation detection nodes are respectively arranged after track installation and secondary grouting, qualified detection is used as a process conversion condition, and an insulation performance file is synchronously established. Through combination of environment adaptation, multi-layer insulation, process detection and data filing, the problem of low success rate of one-time construction in the prior art is solved, and a systematic, verifiable and full-period controllable insulation construction quality control system is formed.

The utility model discloses an assembly structure for synthesizing diamonds by a high-temperature and high-pressure method, which relates to the technical field of diamond synthesis and comprises an outer layer structure, a middle layer heating and insulating system, a core reaction layer and a top covering layer which are sequentially arranged from outside to inside, the outer-layer structure comprises a pyrophyllite composite block, a pyrophyllite ring surrounding the outer side of the pyrophyllite composite block and a conductive steel cap fixed to the top, the middle-layer heating and insulating system comprises a heating sleeve embedded into the pyrophyllite composite block, a heating piece is arranged in the heating sleeve, a magnesium oxide insulating sleeve is wrapped in the heating piece, and the outer-layer structure and the middle-layer heating and insulating system are arranged in the heating sleeve. A vertically supported thick zirconium oxide column is arranged below the heating sleeve, the core reaction layer comprises a magnesium oxide crystal bed, a carbon source is placed on the magnesium oxide crystal bed, alloy is distributed around the carbon source, and the top covering layer comprises a thin zirconium oxide column covering the core reaction layer. The problems that in the prior art, obtained seeds with high carbon content grow fast, but the impurity removal capacity is weak, and the quality is poor are solved; the seeds with low carbon content are good in quality but small in size, and the economic benefit is low.

The invention discloses a heat insulation system of a kitchen range and the kitchen range, the heat insulation system of the kitchen range comprises a cavity formed by a shell bottom and a kitchen range surface, and the cavity is divided into a combustion chamber and a heat dissipation chamber by a blocking part. The display assembly is arranged in the heat dissipation cavity, and the heat insulation plate is at least partially arranged at the bottom of the stove face between the combustion cavity and the display assembly. According to the heat insulation system, the influence of heat generated by combustion on the display assembly is reduced by separating and protecting all the cavities, so that the service life of the cooker is prolonged, and the safety of the cooker is improved.

The invention provides a power equipment oil paper insulation sample moisture state estimation method and system, and belongs to the field of insulation performance monitoring and management.The method comprises the steps that the water content corresponding relation between oil and paper in the heating / cooling process is obtained based on an Oommen curve, and a heating and cooling asymmetric kinetic equation is obtained based on fitting of the water content corresponding relation between the oil and the paper; a core kinetic equation is constructed based on a kinetic equation with asymmetrical temperature rise and temperature drop, a temperature-dependent time constant equation and a rate-dependent equation. And substituting the temperature change at different moments and the water content change of the insulating oil into a core kinetic equation for calculation to obtain the water content in the insulating paper. And a technical support is provided for moisture state evaluation and equipment life management of the oil paper insulation system.

Partition (1) with a double wall (2, 3) that is partially translucent or transparent, forming a passage (4) for ventilation and sound attenuation. A privacy space, for example within a passenger railway carriage, delimited by such a partition. Figure for the abbreviation: Fig. 3

Insulation module for an insulation system / arrangement to insulate process equipment can have a seal / gasket receiving portion 18 to restrict or prevent moisture ingress between interior facing surfaces of modules or have a labyrinthine or staggered interface join between modules 12. Modules 900 can be three-dimensional printed and can include insulation voids or cavities 914 which can be created by three-dimensional printing part of the module. One or more recess can be created by the three-dimensional printing to receive the gasket / seal between modules.