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

A heat-insulating material is provided in which thermal conductivity is controlled not to increase and good insulation properties are held even in a high temperature range. The heat-insulating material is formed of a spinel porous sintered body having a porosity of 65 to 90 vol. % and represented by a chemical formula XAl₂O₄ (X═Zn, Fe, Mg, Ni, or Mn) which is arranged such that large pores having a diameter of greater than 1000 μm occupy 25 vol. % or less of the total pore volume, fine pores having a diameter of 0.45 μm or less occupy 5 to 40 vol. % of the volume of the pores having a diameter of 1000 μm or less, at least one pore-diameter distribution peak is within a range of 0.14 to 10 μm, and is formed of sintered particles having a calculated average particle diameter of 0.04 to 1 μm.

The invention relates to a method for preparing a lightweight alumina hollow sphere heat insulation product. The method comprises the following steps: by taking an alumina hollow sphere as aggregate and alumina micro powder as a matrix, adding water and a foaming agent into the alumina micro powder, mixing and foaming, introducing pores into the hollow sphere brick matrix, thereby obtaining a porous matrix; carrying out a polymerization reaction between an organic monomer and a crosslinking agent in a foaming slurry under the actions of an initiator and a catalyst, curing the foaming slurry, standing and demolding, thereby obtaining a blank consisting of the porous matrix and the hollow sphere aggregate; and drying and sintering the blank, thereby obtaining the lightweight alumina hollow sphere heat insulation brick. The hollow sphere heat insulation product prepared by the invention has low density of 600-1000kg/mg<3> and low heat conductivity of 0.36-0.83W.m<-1>.K<-1> and is good in heat insulation effect, low in heat storage and obvious in energy-saving effect.

The invention relates to an energy-efficient mullite zirconia multiphase refractory material, and a preparation method thereof. According to the preparation method, zircon mine tailing and alumina aremixed at a Al2O3:SiO2 mass ratio of (2.55-2.85) :1 so as to obtain a mixture; titanium oxide accounts for 3 to 5wt% of the mixture, lanthana accounts for 0.6 to 0.8wt% of the mixture, polyvinyl alcohol accounts for 4 to 6wt% of the mixture, and water accounts for 30 to 40wt% of the mixture are added, and ball milling is carried out for 5 to 7h so as to obtain a ball milling product; the ball milling product is subjected to extrusion moulding and drying, and thermal insulation treatment at 1550 to 1650 DEG C for 4 to 8h, and natural cooling is carried out so as to obtain the energy-efficient mullite zirconia multiphase refractory material. The preparation method is low in production cost, low in environment pollution, and convenient for industrialized production. The prepared energy-efficient mullite zirconia multiphase refractory material is relatively low in thermal expansion coefficient, excellent in energy saving effect, and wide in application range.

The invention discloses a preparation method of compound refractory kiln furniture. In the preparation method, firstly, a kiln furniture main body is selected; surface pretreatment is carried out on the surface of the kiln furniture main body to cause the surface to have certain adsorption activity; a negative-pressure dipping method is adopted to evenly adsorb stable zirconia slurry prepared in advance to the surface of the kiln furniture main body and fill into the air holes or microcracks of the kiln furniture main body; and the obtained product is dried and sintered at high temperature to obtain the compound refractory kiln furniture of the invention. The compound kiln produced by the invention has the advantages of low cost, even coating, good integrity, small possibility of deforming, low volatility and the like. The manufacturing method is also scientific and reasonable, is easy to popularize and apply, etc.

The invention discloses an electrical kiln with double backward push plates, comprising a furnace body, a hearth longitudinally penetrated in the furnace body and heating elements distributed in both side walls of the hearth, wherein both ends of the hearth are respectively provided with an advancing mechanism, and two advancing mechanisms mutually have backward synchronous advancements and respectively have an individual advancement line; the hearth consists of two sintering channels longitudinally penetrating the furnace body, and the two sintering channels are communicated at intervals; feed inlets and discharge outlets of the two sintering channels are oppositely arranged; and the advancing mechanisms are arranged at the feed inlets of the two sintering channels. Products in the channels are backwards synchronously moved so as to ensure that partial afterheat of products ignited of the outlet channel is absorbed and utilized by preheated products of the other inlet channel near the outlet channel. The temperature decreasing curve of the electrical kiln is smooth, and the temperature of the products at the outlet of the furnace is low so as to achieve the purposes of recycling energy consumption, reducing the firing cost of the products and improving the firing efficiency of the products.

The invention belongs to the technical field of heat load regulation, and particularly relates to an air conditioner comfort environment laboratory capable of controlling heat load. The air conditioner comfort environment laboratory comprises an inner chamber, an outer chamber and an air circulation system, each of the inner chamber and the outer chamber is provided with an enclosed space corresponding, the inner chamber is arranged in the outer chamber, and the inner chamber is enclosed by thermal insulation materials; and the air circulation system comprises an airflow inlet channel and an airflow exhaust channel which communicate with the inner chamber and the outer chamber. According to the air conditioner comfort environment laboratory, the heat load in the inner chamber is controlledby changing the input amount of cold and hot air in the outer chamber by means of the air circulation system, the problems that the load of the common brick wall thermal environment laboratory is difficult to adjust and load capacity cannot be accurately calculated are solved, the problem that in the past, the load of the laboratory based on the thermal insulation library plate is too small is solved, and the air conditioner comfort environment laboratory has more advantages compared with the problem of the condensation of the wall surface of the inner chamber caused by using a water coil pipe to input the load, the environment stabilization time is reduced, and the laboratory utilization rate is fully improved.

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.

An energy-saving heating furnace includes a furnace body, a furnace cover, a strip-like electric heater, an electric fan, and a furnace cover moving mechanism. The furnace body is composed of a furnace wall and a furnace bottom. The furnace bottom is built from fire-refractory bricks. The strip-like electric heater is fixed on an inner wall of the furnace wall. The furnace wall and the furnace cover are both produced from aluminum silicate fibers. The energy-saving heating furnace is low in heat conductive coefficient, is less in heat accumulation, is high in temperature increasing speed, is good in integrality, is free of seam joints, is good in heat preservation effects, is less in heat dissipation loss, can save resources (reducing more than 30% of energy consumption), can effectively prevent heat dissipation of heat from interior to exterior of the furnace, can reduce heat loss and can prolong service life of the furnace body.

The invention provides a quenching hoisting tool for a special-shaped flange forge piece, the influence on the quenching effect of the special-shaped flange forge piece can be reduced on the premise of ensuring the hoisting safety, and the invention relates to the technical field of hoisting tools. The quenching hoisting tool for the special-shaped flange forge piece comprises a hoisting beam, a first hoisting rope is arranged at one end of the hoisting beam, a flange hoisting tool is arranged at the other end of the hoisting beam, and the two ends of the first hoisting rope are connected with the hoisting beam after the first hoisting rope is bent to form a rod hoisting tool; and the flange hoisting tool comprises a first U-shaped hoisting hook, a second U-shaped hoisting hook, a second hoisting rope, a third hoisting rope and a tension piece. The quenching effect can be greatly improved by adopting the tool to hoist the special-shaped flange forge piece for quenching.

The invention discloses a silicon-based polymer filling material for coal mines, and relates to the technical field of filling materials for the coal mines. The silicon-based polymer filling materialis prepared from a component A and a component B through mixing, wherein the mass ratio of the component A to the component B is (1.2-1.6):1, the component A is prepared from water glass, a compositecatalyst, a foam stabilizer and a surfactant through mixing, and the component B is prepared from isocyanate, a flame retardant and a plasticizer through mixing. The invention also discloses a preparation method of the silicon-based polymer filling material for the coal mines. The silicon-based polymer filling material has the advantages of environment protection, adjustability in expansion times,low heat storage and self-extinguishing, solving the problems of poor environmental protection property, low tight-filling rate, high heat release and no flame retardance of current filling materialsfor the coal mines.

The invention relates to a preparation method of a large-size machinable fire-resistant heat-insulating plate. According to the preparation method of the large-size machinable fire-resistant heat-insulating plate, the fire-resistant plate is prepared by taking silicon oxide as a main material, adding xonotlite whiskers or wollastonite mineral fibers with good compatibility with a main base material, and adding chopped ceramic fibers in an auxiliary mode for reinforcement and toughening. The plate not only has high strength and good thermal shock resistance of a quartz plate, but also has thermal insulation and machinability of a ceramic fiber product; the board has wood-like texture, and the machining precision is far superior to that of the fiber product; in addition, the plate is formed through wet filter pressing, and the large-size plate with the length being 2 m and the width being about 1 m can be obtained; and due to the fact that the size of the plate is large, when the plate serves as the counter-fire face of thermal equipment, attractiveness is achieved, chippings do not fall off, use and installation are more convenient and efficient, professionals are not needed, and rapid replacement can be achieved.

The invention provides a kiln which comprises a kiln body and a kiln furniture, wherein the kiln furniture can move in the kiln body and is used for placing objects to be fired; the kiln body comprises a furnace top and a side wall, which form a firing channel; the firing channel comprises a preheating zone, a firing zone and a cooling zone, which are communicated in order; a chimney is arranged on the side wall on the entry side of the preheating zone, and a waste heat channel extending along the direction of the firing channel is formed in the side wall; one end of the waste heat channel is communicated with the cooling zone, and the other end of the waste heat channel is communicated with the chimney; the chimney has extracting force for extracting the waste heat of the cooling zone back to the preheating zone through the waste heat channel for recycling. The kiln has the advantages of high recycling rate of waste heat and small heat loss, reduces noises, reduces electric energy loss, and saves energy.

The invention discloses a box type heat treatment device, which comprises a furnace body (5), a furnace body panel (6) and an electric heating wire belt (2). The inner side surface of the furnace body (5) is provided with a furnace lining (1), wherein the gap is arranged between the furnace lining (1) and the furnace body (5), and the material of the furnace lining (1) is high temperature resistant fiber cotton. The electric heating wire belt (2) is fixed on the furnace lining (1). With the technical scheme of the present invention, the furnace wall heat storage is reduced, such that the heating time of the blank furnace is shortened, the heat energy is saved, and the thermal insulation effect of the heat treatment furnace is improved; the phenomena similar to refractory brick structure oxidizing, re-qualitation, and the like are overcome, the performance of the device is stabilized, the service life of the device is prolonged, and the production cost is saved.

The invention discloses a reinforced heat transfer high-temperature phase-change heat storage type electric boiler, and relates to the field of heating equipment. The reinforced heat transfer high-temperature phase-change heat storage type electric boiler structurally comprises a heat preservation shell, a circulating fan, a heat storage module, an electric heating element, an air-water heat exchanger, an automatic control system and a shell main body. The high-temperature phase-change heat storage type electric boiler can store heat at night at the electricity utilization valley and release the heat in the daytime at the electricity utilization peak, so that the load caused on a public power transmission line in the daytime is reduced, and the potential safety hazard is reduced under thecondition that the heating efficiency is improved. In the aspect of control, the high-temperature phase-change heat storage type electric boiler can also realize the switching use among three controlmodes of automatic control, manual operation control and remote control, and the intelligent control can be achieved on the fan heating output, a return water supply system and the heat storage module. According to the reinforced heat transfer high-temperature phase-change heat storage type electric boiler, besides an alarm function is achieved when an abnormal fault occurs to a system, an automatic abnormity processing function is also achieved so that the equipment safety can be guaranteed.

The invention discloses an energy saving kiln for preventing ash contamination and with low heat storage. The kiln comprises a kiln door, a kiln crown and side walls, and is characterized in that light insulation cottons are arranged on the kiln door, the kiln crown and the side walls; heavy refractory insulation plates are arranged on a fire seeing surface in the kiln; the refractory insulation plates adopt hollow structures, and are formed by splicing insulation plates; heavy refractory guide rails are arranged between upper and lower adjacent insulation plates; the insulation plates are inserted in chucks on the upper and lower sides of the refractory guide rails; and refractory fixed pieces connected with a kiln body are arranged at the middle parts of the refractory guide rails. The kiln crown, the kiln walls and the kiln door adopt all-cotton structures; the heavy refractory insulation plates are added on the internal fire seeing surface and the tabletop of a kiln car insulated by light materials at the bottom for preventing direct scouring of the wall fiber cottons by flame. Thus, even if fibers are pulverized and loosened to fall, due to stop by the refractory plates, products cannot be polluted. The kiln saves the energy, and solves the ash contamination problem.