53results about How to "Less heat storage" patented technology

To provide an LED light source unit which is excellent in heat dissipation performance, able to prevent damage to LED and bright, and which has a long life. An LED light source unit comprising a printed board, at least one light emitting diode provided on the printed board, and an adhesive tape for fixing the printed board on the surface of a heat dissipating member, wherein the thermal conductivity of the adhesive tape is from 1 to 4 W / mK, and the withstand voltage between the fixing face of the printed board and the fixing face of the heat dissipating member is at least 1.0 kV.

The invention relates to a kiln, in particular to an energy-saving roller kiln low in thermal storage. Roller hole bricks of the roller kiln are made of light aluminum silicate cellucotton. Kiln walls above the roller hole bricks comprise an upper kiln wall framework; a plurality of rows of lateral hanging brackets are arranged inside the upper kiln wall frameworks in the kiln length direction; each row of lateral hanging bracket is provided with a lateral hanging rail; high-temperature-resisting dense material boards are arranged between the lateral hanging rails. The lateral hanging brackets, the lateral hanging rails and the high-temperature-resisting dense material boards tension and fix multiple layers of refractory thermal-insulation light materials onto the upper kiln wall framework for sealing and thermal insulation. The kiln walls below the roller hole bricks comprise a lower kiln wall framework; one or more rows of lateral hanging brackets are arranged inside the lower kiln wall framework in the kiln length direction; each row of lateral hanging bracket is provided with a lateral hanging rail; high-temperature-resisting dense material boards are arranged between the lateral hanging brackets and / or between the lateral hanging brackets and the kiln bottom. The whole fire face in the energy-saving roller kiln low in thermal storage adopts thin and heavy refractory slabs to ensure the firm structure and the periphery is mainly light aluminum silicate cellucotton; thermal storage is low, the thermal insulation performance is good, and energy consumption is low.

The invention discloses a temperature control erasing device used for a friction easy-to-erase pen, and relates to the field of de-coloration of thermosensitive ink, in particular to erasing of scripts written by the friction easy-to-erase pen for students. Aiming to prevent paper from being broken, according to the technical scheme, the temperature control erasing device for the friction easy-to-erase pen is characterized in that a power supply is in series connection with two switches, namely, a normally-closed temperature control switch and a normally-open power switch in a power-off state at normal times; the temperature control switch consists of a heating resistor disc and a dual-metal sheet; the heating resistor disc generates heat when being electrified; when the dual-metal sheet is up to a designed temperature, a circuit is disconnected; the designed temperature is 55 to 70 DEG C. The temperature control erasing device has the beneficial effects that the surface of the paper does not need to be abraded, so that the paper is protected from being broken; the use of an eraser is reduced, so that social resources are saved; the device can be used separately, can be attached to the friction easy-to-erase pen to use, and can be detached, so that the device is economical and practical; the device is low in cost, is easy to make, and is convenient and easy to use.

The invention discloses a large resistive double-vacuum gas-phase carbon deposition device, which comprises a tank outside a furnace, a ceramic fiber furnace liner, a plurality of nickel-chromium heating belts fixedly hung on the inner side of the ceramic fiber furnace liner, a vacuum pipeline A communicated with the tank outside the furnace, a temperature detection unit, a control cabinet, an in-furnace tank sleeved in the tank outside the furnace coaxially from top to bottom and having a suspended lower part, an air inlet pipe inserted into the in-furnace tank, a vacuum pipeline B communicated with the in-furnace tank, and a sealing furnace cover covering the in-furnace tank, wherein the bottom of the in-furnace tank is provided with a ceramic fiber insulating layer A and a graphite bottom plate; the lower part of the sealing furnace cover is provided with a plug-type insulating cylinder; and a ceramic fiber insulating layer B and a hardening carbon felt plate of which the outside is attached with flexible graphite paper are laid in the plug-type insulating cylinder. The device is reasonable in design, convenient to assemble, easy and convenient to operate and good in using effect; by adopting a double-vacuum structure, the device solves the problem of thermal deformation of heat resistant steel at the temperature of between 800 and 1,000 DEG C; meanwhile, the energy consumption is low, the manufacturing cost is low, and the device can produce carbon / carbon products with the diameter of more than 3 meters.

The invention discloses a ceramic electric heating liner, and relates to the field of electric heating technology. The ceramic electric heating liner mainly comprises a cast aluminum main body and ceramic heating pipes, wherein the cast aluminum main body comprises a temperature controller installing seat, a main body fixing hole, a heating pipe installing seat, a water inlet and a water outlet, wherein each ceramic heating pipe comprises a water channel, a flow guide hole, a flange, a power wiring column, and an ultra-temperature probing hole, when the ceramic heating pipe is electrified to run, the heated water flows from the water inlet through the water channel and the flow guide hole of the ceramic heating pipe to a chamber body of the cast aluminum main body, and then flows to the water outlet through the flow guide hole and the water channel of another ceramic heating pipe; the water is heated at a high speed, so that hot water can be supplied, and the purposes of heating at a high speed, isolating water and electricity and resisting corrosion are achieved.

The invention relates to a full-film type wall corner tube hot-water boiler, which is characterized in that a full-film type wall structure is adopted; the structure is a closed water cooling structure formed on the periphery of the boiler; a right wall film type water cooling wall, a front wall film type water cooling wall, a left wall film type water cooling wall and a rear wall film type watercooling wall are arranged on the periphery of the boiler; a chamber wall and a frame cover are arranged outside the boiler; corner tubes are arranged on four corners of the boiler to support the boiler; a boiler barrel is transversely arranged at the top of the front wall of the boiler; outlet headers are arranged at the upper part of a chimney I snake type coal economizer and a chimney II snake type coal economizer; and a fire grate and a deposit door are arranged at the bottom of the boiler. The invention is in the full-film type wall structure, so that a heating surface can freely expand to simplify the structure of the boiler and save steels. The light frame wall with full-film type wall has small heat storage; therefore, the boiler can be quickly cooled to avoid boiling away during unexpected power cut so as to ensure the boiler to be safer. The full-film type wall corner tube hot-water boiler has the characteristics of good sealing, investment conservation, good insulation performance, sufficient output, low temperature corrosion prevention, dust blockage prevention, convenient maintenance, low maintenance cost and the like.

The invention provides a kiln crown component of a kiln, and belongs to the technical field of kiln crown bricks of kilns. The kiln crown component of the kiln is light in weight, convenient to install, and has long service life. The technical scheme is that a groove is arranged at one side of the top of a main body beam, and a bump in match with the groove in size and shape is arranged at the other side of the top of the main body beam; the main body beam is hollow, or solid; the bump is hollow, or solid; the main body beam is a quadrate beam; a circular tube is arranged in an internal cavity of the hollow main body beam; the circular tube is connected with the internal wall of the hollow main body beam through at least one reinforcing rib plate; the main body beam is a plate-shaped beam; at least one upright separating plate is distributed in the internal cavity of the hollow main body beam; a reinforcing rib is arranged in a cavity which is formed between the internal wall of the hollow main body beam and the upright separating plate; and the top or the bottom of the main body beam is flat or arched. The kiln crown component is especially suitable for building the kiln crowns of industrial kilns.

The invention discloses a near-equal-sectional-area gradual-change tab, which includes a tab body, the tab body includes a sealing area in the middle, and lead-in ends and lead-out ends respectively arranged on both sides of the seal area, the lead-in end There is a gradual change to the middle of the sealing area, and the gradual change from the lead-out end to the middle of the sealing area is also a gradual change of nearly equal cross-sectional area, and the range of gradual change of the near-equal cross-sectional area is controlled within 30%. Through the present invention, the effective cross-sectional area of ​​the tab heat conduction can be increased to improve the thermal conductivity of the tab; the effective conductive cross-sectional area of ​​the tab can be increased to reduce the internal resistance of the tab; the shape of the tab can be changed to reduce the packaging under the condition of nearly equal cross-section Difficulty; the thickness and shape of the outer lead-out end of the tab can be increased, and the mechanical strength and contact area can be enhanced.