36results about How to "Extended heat conduction path" patented technology

The invention discloses a method for manufacturing a vacuum insulation panel core material with high performance and low cost. The method comprises the following steps of: pulping glass fiber cotton which is produced by a centrifuge method; diluting; screening; performing dehydration molding; performing pressure roller sizing; performing vacuum negative pressure dehydration; drying; cooling; and cutting. In the manufacturing method, the glass fiber cotton which is completely produced by the centrifuge method is used as a raw material of the vacuum insulation panel core material with high performance and low cost, the coefficient of thermal conductivity of the produced vacuum insulation panel core is between 0.003 and 0.008 W/m.k, and the coefficient of heat insulation is greatly improved;the thickness of the panel core material is between 0.5 and 30 mm, and the thickness is thinner; and the glass fiber cotton with the diameter of 3.5 to 5 mu m and the length of 5 to 20 mm has low cost and low overall manufacturing cost, and the overall cost of the vacuum insulation panel is lowered.

The invention belongs to the field of aqueous coatings and in particular relates to an ultrathin fireproof aqueous coating and a preparation method thereof. When the ultrathin fireproof aqueous coating is prepared, a component A and a component B are added, the component A comprises an aerogel precursor, stepless powder and the like, and the component B is used as a binding agent. The aerogel precursor is adopted as a core raw material to prepare the fireproof aqueous coating; as an aerogel material is of a nano three-dimensional structure and has characteristics that a solid heat conduction route is effectively prolonged, gas convective heat transfer is inhibited and thermal radiation is reduced, an aerogel fireproof coating made of the aerogel material has a thermal insulation property which is incomparable by conventional materials; after being applied to a steel material and dried, the ultrathin fireproof aqueous coating provided by the invention is relatively high in mechanical strength, achieves a fireproof grade A1, additionally has relatively good advantages of being waterproof and low in cost, and provides a novel material for buildings, environmental protection and industrial energy conservation.

A consumable for a plasma arc torch, such as a nozzle, having a body and a head defining a shoulder portion having a frusto-conical portion and a flared portion. The flared portion increases the cross-sectional thickness to provide a greater heat-conduction path for removal of heat generated by a plasma arc, thereby extending consumable life. The frusto-conical portion provides a sharper, pointier nozzle head to simultaneously increase the operator's visibility of the workpiece. Methods of making and using the consumables are also included.

The invention provides a portable heat preservation box. The box is composed of plates with good heat insulation performance, and comprises the side plates, the upper cover plate and the lower cover plate. The sides, opposite to each other, of the upper cover plate and the lower cover plate are both provided with a homocentric-squares-shaped groove; the side plates are provided with convex structures matched and connected with the grooves in an inserted mode; a heat preservation containing cavity is spliced after the side plates, the upper cover plate and the lower cover plate are connected inan inserted mode; the side, towards the heat preservation containing cavity, of each side plate is provided with a groove which is concave inwards in the direction away from the heat preservation containing cavity; cold sources are arranged in the grooves. When used, the novel structure heat preservation box can be installed into a transportation cold chain heat preservation box; when a box bodyreturns, the box can be detached into the plates, so that recycling and transportation are facilitated; the convex-concave structures on all sides of the box body have the function of a combined heatpreservation box, the box body can be well sealed, and a good heat preservation effect is achieved due to heat insulation.

The invention discloses a heat insulation composition with a heat insulation effect. The problem that the volume weight of the heat preservation composition is large when the heat insulation effect isimproved in the prior art is solved. The heat insulation composition comprises 10-65 wt% of vitrified microbeads, 10-50 wt% of asbestos, 1-20 wt% of aluminum silicate wool, 5-20 wt% of bentonite, 1-10 wt% of glass fibers and 1-10 wt% of a penetrant. The heat insulation composition has the advantages of excellent heat insulation performance, low volume weight, reduction of the thickness by 50% orabove under a condition that the surface temperature is same to that of the aluminum silicate wool, and remarkable energy-saving effect due to great reduction of the heat dissipation area, so the adiabatic temperature range is greatly expanded, and the working temperature range can reach -40-1000 DEG C.

The invention discloses a steam generator, a garment steamer and a heater of the steam generator. The steam generator comprises a casing, the heater, a heating pipe and a temperature controller, wherein a cavity is formed in the casing, an water inlet and a steam outlet which are communicated with the cavity are formed in the casing, and an opening is formed in the lower end of the cavity; the heater is arranged in the cavity and fixed on the casing and blocks the opening, besides, the cavity above the upper surface of the heater is a steam generating cavity, the lower surface of the heater concaves upwards and inwards, a water storage tank is formed in the upper surface of the heater, and a step is arranged on the upper wall of the cavity; the heating pipe is buried in the heater, extends downwards out of the heater and comes out from the opening; and the temperature controller is arranged inside the recessed cavity and attached to the lower surface of the step. The steam generator has the following advantages: steam is not easy to cut off; the steam is stable; and the like.

The invention belongs to the technical field of energy-saving and environment-friendly materials, and particularly relates to a building, silica aerogel fireproof, waterproof, environment-friendly thermal insulation paste for industrial energy conservation and thermal insulation and a preparation method of the paste. According to the thermal insulation paste, an aerogel precursor is added during preparation, silicon sol and organic silicon modified acrylic emulsion serve as binding agents, and the paste has the incomparable heat insulation performance compared with a traditional material. After the thermal insulation paste is dried, the high mechanical strength is achieved, and the fireproof A1 grade is achieved; besides, the paste has relatively good waterproof performance and low cost, and a novel material is provided for building energy conservation, environmental protection and industrial energy conservation.

The invention discloses an energy-collecting pot support for improving the temperature of a gas cooker cavity and a gas cooker. The energy-collecting pot support comprises an upper pot support in contact with a pot and a lower pot support for supporting the upper pot support, wherein the upper pot support comprises foot pieces and an outer side enclosing plate; a heat insulation groove is circumferentially formed in the outer side enclosing plate; and the lower pot support is of an annular supporting structure and is used for supporting and fixing the upper pot support. According to the energy-collecting pot support and the gas cooker, as the heat insulation groove is arranged, the heat loss of the bottom of the pot is reduced.

The invention discloses a heat-resistant sealing structure for a high-temperature gas container, relates to a heat-resistant sealing structure, and aims at solving the problem that an existing sealing gasket at a high temperature is relatively poor in sealing effect in comparison with a low-temperature sealing gasket universally. The heat-resistant sealing structure comprises an inner layer sealing structure and an outer layer sealing structure; the inner layer sealing structure comprises an inner layer sealing end cover, an inner layer high-temperature sealing gasket and an inner layer sealing support; the inner layer sealing end cover is arranged on the inner layer sealing support through an inner layer high-temperature sealing gasket sealing cover; the outer layer sealing structure comprises an outer layer sealing support, a normal-temperature sealing gasket, an outer layer sealing end cover and a water cooling jacket; the outer layer sealing support is fixedly arranged on the inner layer sealing support; the upper end face of the outer layer sealing support is higher than the upper end face of the inner layer sealing end cover; the outer layer sealing end cover is tightly arranged on the outer layer sealing support through a normal-temperature sealing gasket; and the water cooling jacket is arranged on the outer lateral wall of the outer layer sealing support in a sleeved mode. The heat-resistant sealing structure is applied to heat-resistant sealing of the high-temperature gas container.

The invention relates to a thin film type semiconductor chip structure. The structure is named as a light grid structure. According to the structure, metal materials are utilized, one of P-type metal and N-type metal is made to serve as a substrate, and the other metal serves as a metal side wall. The metal side wall is in insulated connection with the metal substrate to form a three-dimensional optical reflection cavity. The top of the optical reflection cavity is covered with a transparent conductive layer, and a photoelectric conversion layer is arranged in the optical reflection cavity, so that a light grid is formed. When the photoelectric conversion layer converts electric energy into light energy, the light grid become a light-emitting unit; and when the photoelectric conversion layer converts light energy into electric energy, the light grid becomes a generation unit of the electric energy. The three-dimensional light grid structure can only emit or collect photons through the plane where the transparent conducting layer of the optical reflection cavity is located. A plurality of light grids are gathered together to form a light grid array. The invention also relates to an optoelectronic device using the light lattice structure.

The invention discloses a pot rack for preventing fragmentation of a glass panel. The pot rack comprises an upper pot rack and a lower pot rack. The lower pot rack comprises a space ring, a bottom ring and a plurality of pot rack supporting legs. The space ring is fixed to the bottom ring through the pot rack supporting legs. The upper pot rack comprises a pedal which is arranged on the space ring. By arranging the upper and lower pot racks, heat, conducted downward, of the pot bottom is reduced.

The invention discloses a carbon fiber felt and carbon nanotube/epoxy resin composite material and a preparation method thereof.The composite material is prepared by the steps that a carbon fiber felt serves as a template, after concentrated nitric acid modification and in-situ growth of ZIF-67 crystals are conducted, the carbon fiber felt with carbon nanotubes growing on the surface is obtained through the high-temperature catalytic pyrolysis and acid etching technology, and then the carbon fiber felt and the ZIF-67 crystals are obtained; and finally, preparing the carbon fiber felt and carbon nanotube/epoxy resin composite material by adopting a vacuum permeation epoxy resin process. A template pre-construction method is adopted, a carbon fiber felt framework is used as a template, adjacent carbon fibers are bridged and a heat conduction path is expanded by means of carbon nanotubes grown on the surfaces of the carbon fibers in situ, the contact thermal resistance between the carbon fibers is effectively reduced, meanwhile, a highly-interconnected three-dimensional network structure is constructed, and the heat conduction performance of the epoxy resin is effectively improved.

A heavy duty type high-temperature conveying chain comprises a left row of chain bars and a right row of chain bars, the left row of chain bars and the right row of chain bars are connected in series by means of through shafts so as to form a grid shaped like the Chinese character 'jing', each chain bar is hinged to the corresponding through shaft through a self-lubricating bearing pad, each bearing sliding wheel is assembled on the corresponding through shaft through a sliding bearing, and a thermal insulation reflecting layer is installed on the grid shaped like the Chinese character 'jing'. The heavy duty type high-temperature conveying chain integrates the advantages of a bush roller chain, the advantages of a die-forged chain and the advantages of a mesh belt, is suitable for supporting trays or pans or hoppers or compartments containing high-temperature materials, and completes conveying tasks. The heavy duty type high-temperature conveying chain has the advantages that high temperature resistance is achieved, the conveying quantity is large, and secondary accessories are connected firmly and dismounted conveniently.