49results about How to "Reduce heat storage capacity" patented technology

The invention relates to a ceramic filter suitable for filtering metal fused mass, comprising refractory material, carbonaceous material and silica adhesive. The invention also relates to making method for the filter. The ceramic filter has the advantages of more economical making, high mechanical strength not shrinkage during sintering process, more stable performance in memory process and more safe usage.

The invention discloses a microcapsule preparation method of a phase change material. The defects of containing of methanol, poor environment friendliness, easiness in cracking in a capsule energy storing process and poor energy storing effect exist in a phase change microcapsule prepared with the conventional method. The method comprises the following steps of: emulsifying a phase change material into a nuclear phase by adopting an interface polymerization method, wherein the phase change material accounts for 20-60 percent; preparing styryl and acrylate monomers into a shell phase; and mixing the two phases, polymerizing at the temperature of 80-160 DEG C, reacting for 2-6 hours, preserving heat for 1-4 hours, cooling and drying to obtain a phase change microcapsule. Formaldehyde is not required to be added in a preparation process, and a production process is environment-friendly; after a capsule is prepared, the capsule wall coating property is high, and reaction time is shortened; the method is low in preparation cost, has a simple and convenient process and contributes to industrial production; and the obtained product can be widely applied in the fields of building energy storage, energy saving, consumption reduction, spinning and the like.

A sort of electric cooker, includes a main body(2) which accommodate the up-and-down nonmetallic pot(1) freely, and a cover component which is used to switch the main body and the nonmetallic pot, heaters(4b1,4b2) which generate heat by electromagnetic influence was set on the nonmetallic pot's surface or inner surface or inside and the heaters(4b1,4b2) is activated using the electromagnetic influence of calefaction loops(4a1,4a2) next to the main body(2),and a heat-resistant board is provided between the nonmetallic pot(1) and the heating loop(4a2),which is used to separate the heat from the nonmetallic pot(1) with the heater(4b1,4b2) to protect the heating loop(4a2) and use the reflection of the energy to reheat the nonmetallic pot(1). This character combined with the character that it is easy to obturate the heat helps to achieve the goal corresponding to this invention that makes meals with symmetrical and sufficient heating.

The invention provides a method for designing the heat storage capacity and the heating power of an electric heating system, comprising the steps of determining the daily wind curtailment power of a wind farm in the heat supply period, designing the heat supply power and the heat storage capacity of the electric heating system, and designing the heating power of the electric heating system. The heating power of the electric heating system is designed according to the wind curtailment power curve of the wind farm, and abandoned wind power can be utilized to the maximum; the heat storage capacity of the electric heating system designed by the invention takes into consideration the scenario with least wind curtailment of the wind farm, and the quality of heat supply can be ensured under the condition that abandoned wind power is utilized to the maximum; and the heat storage capacity and the heating power of the electric heating system designed by the invention are minimized under the condition of ensuring the quality of heat supply, and the investment cost of the electric heating system is reduced.

A thermal head includes a glass layer having a protruding section formed on one surface and a concave groove section formed on the other surface facing the protruding section, a heat generation resistor provided on the protruding section, and a pair of electrodes provided to both sides of the heat generation resistor, and a part of the heat generation resistor exposed between the pair of electrodes is defined as a heat generation section, the protruding section has a smaller curvature radius in both sides than a curvature radius in a central portion, and a width of the groove section is one of equal to and larger than a length of the heat generation section.

The invention discloses a formwork production process for precision castings with complex deep-groove structures, and relates to the technical field of precision casting. According to the process, through reasonably selecting the refractory silt sand of the two front layers of formworks, the heat-conducting capacity of the formworks is improved, and the risk of loosening and hot-cracking of the castings at deep-groove parts is lowered; and through injecting dry sand into the deep-groove parts and sealing groove openings with a slurry, the problem of 'iron inclusion' brought by difficult thorough drying and insufficient strength of the formworks at the deep-groove parts is solved, and the heat storage capacity of the formworks at the deep-groove parts is weakened.

An electric cooker has a main body (2) which can hold a non-metal pot (1) and a cover body (33) opening and closing the main body (2) and the non-metal pot (1); heaters (4b1, 4b2) for heating through electromagnetic induction are arranged on the external surface, the internal surface or inside of the non-metal pot (1); the electromagnetic induction of the heating coils (4a1, 4a2) on the main body (2) side make the heaters (4b1, 4b2) heat; a heat resisting plate (14) is disposed between the non-metal pot (1) and the heating coil (4a2); the heat resisting plate (14) isolates the heat on the side of the non-metal pot (1) having heaters (4b1, 4b2) for protecting the heating coil (4a2) and etc; the non-metal pot (1) is heated again by means of heat reflection; In the invention, the non-metal pot (1) is easy to seal heat and the electric cooker heats uniformly and completely to cook.

The invention relates to a sintering device for super-miniature annular voltage dependent resistors. The sintering device for the super-miniature annular voltage dependent resistors comprises a bottom shell, a cover body and a plurality of sintering bars. The bottom shell comprises a bottom wall and a plurality of side walls surrounding the bottom wall. The bottom shell is provided with the open end opposite to the bottom wall. The side walls are provided with a plurality of air holes. The cover body detachably covers the open end. The shell and the cover body together form a containing cavity. The sintering bars are contained in the containing cavity, horizontally hung and arranged between the two opposite side walls of the bottom shell. The sintering bars are used for being arranged in through holes in the middle of blank rings of the multiple super-miniature annular voltage dependent resistors in a penetrating mode so that the multiple blank rings can be hung on the sintering bars at intervals. According to the sintering device for the super-miniature annular voltage dependent resistors, the blank rings are not prone to deforming in the sintering process, and the requirements for the mechanical strength and the electrical property of the super-miniature annular voltage dependent resistors are met.

The invention discloses a cordierite kiln furniture sagger and a preparation method thereof, and belongs to the technical field of refractory materials. The cordierite kiln furniture sagger is characterized in that the raw materials are as follows by weight: 10-15 parts of mullite M47 of 3-1 mm, 10-15 parts of mullite M47 of 1-0 mm, 16-20 parts of cordierite of 2-1 mm, 7-12 parts of cordierite with the particle size less than 150 meshes, 8-13 parts of sillimanite of 0.5-0 mm, 7-13 parts of andalusite with the particle size less than 200 meshes, 4-7 parts of silicon carbide with the particle size less than 240 meshes, 5-10 parts of vice-white corundum with the particle size less than 240 meshes, 3-6 parts of aluminum oxide Ca 370C micro powder, 4-6 parts of Suzhou soil of 0.045 mm, 3.5-5.5parts of paper pulp, 0.3-0.6 part of phosphoric acid, and 0.3-0.6 part of dextrin. The high temperature load softening temperature of thecordierite kiln furniture sagger is enough, the refractorinessis higher, and the quick cooling and heating resistance property is excellent. After being repeatedly heated and cooled, the sagger still keeps certain mechanical strength and is not cracked.

The invention relates to a device with an annular cold air low-heat-storage quick start ignition and combustion system. The device is characterized in that an ignition and combustion device is composed of a combustor body and an ignition device of which an ignition end extends into the combustor body, wherein the ignition and combustion device is arranged in a combustion air duct; the combustion air duct is connected with an air supplementing duct and an air distribution duct; the air supplementing duct is provided with an adjusting damper; a communicating chamber is provided with an expansion joint; a thermal fire-proof layer is arranged outside the device with the annular cold air low-heat-storage quick start ignition and combustion system. In an ignition starting process of a boiler, primary hot air volumes of the air supplementing duct and the air distribution duct are adjusted through the adjusting damper, so that hot air and fuel are fully mixed and combusted and the combustion efficiency is improved; the purposes of low oil consumption and quick start of a circulating fluidized bed boiler are reached by reducing the lengths of the ducts, reducing the using amount of the thermal fire-proof material and reducing the heat storage capacity of the ducts.

A conveying device and a packaging machine for beverage containers are disclosed. The beverage containers are grouped as packs and wrapped with film, comprising a horizontal conveying device including an endlessly circulating conveyor chain whose movable members and/or meshes each have a supporting structure and contact areas for the packs and/or coatings that include significant portions of PTFE plastic. The contact areas of plastic have a thickness corresponding to at least 10% of the thickness of the supporting structure covered and/or coated therewith

The invention discloses a preparation method of a temperature-resistant ultrathin external wall insulation coating. The temperature-resistant ultrathin external wall insulation coating is used for thermal insulation of crude oil, heavy oil and residual oil storage tanks and building external walls and is prepared from 70-300 parts of a resin emulsion, 20-50 parts of pigments, 30-80 parts of filler, 0.1-1 part of a rare earth oxide, 13-40 parts of an aid and 100-300 parts of water. According to the preparation method, by means of the high flowability and the film-forming property of special monomer modified self-crosslinked acrylate copolymers as well as the high stability, the low heat conductivity and the heat storage property of rare earth oxide, high-temperature resistance, elasticity and anti-ageing resistance are formed, the temperature-resistant ultrathin insulation coating is prepared and has a thin coating layer only about 1-3 mm thick, the heat efficiency of a heating furnace can be improved by 1.5% or above, the heat dissipation loss of the outer surface of a furnace body is decreased by not less than 40%, the coating can resist 150 DEG C after being cured, and the temperature-resistant ultrathin external wall insulation coating is high in adhesive force and good in ductility and corrosion resistance and can be widely applied to thermal insulation of the crude oil, heavy oil and residual oil storage tanks and the building external walls.

The invention relates to thin SAPH 440 strip steel and a production method thereof, and belongs to the technical field of metallurgy. The strip steel comprises the following chemical components: by mass, C: 0.05-0.10%, Si <= 0.12%, Mn: 1.0-1.2%, P <= 0.020%, S <= 0.020%, Als: 0.02-0.05%, Ti: 0.005-0.015%, B: 0.001-0.002%, N <= 0.0045%, and the balance Fe and inevitable impurities. The production method comprises the steps of molten iron pretreatment, converter steelmaking, LF refining, slab continuous casting, hot rolling, cooling, leveling and pickling; and in the hot rolling process, finishrolling temperature is 870-930 DEG C, and laminar flow cooling adopts a latter 1/4 section cooling mode. Through microalloy component design and the matching hot rolling process, the finished strip steel is good in plasticity and small in strength performance fluctuation.

The invention discloses a fast switchover heat accumulating type aluminum smelting furnace which comprises a furnace body, a first fuel spray nozzle, a second fuel spray nozzle, a first vent pipe, a second vent pipe, a first heat reservoir, a second heat reservoir, a first air inlet pipe and a second air inlet pipe. The first vent pipe and the second vent pipe are arranged on the end wall of one side of the furnace body at intervals and are communicated with a combustion chamber, and the first vent pipe and the second vent pipe are located below the first fuel spray nozzle and the second fuel spray nozzle respectively. The first heat reservoir comprises a first port, a second port and a third port. The first port of the first heat reservoir is communicated with the first air inlet pipe, the second port of the first heat reservoir is communicated with the first vent pipe, and the third port of the first heat reservoir is communicated to a chimney through a pipeline. The second heat reservoir comprises a first port, a second port and a third port. The first port of the second heat reservoir is communicated with the second air inlet pipe, the second port of the second heat reservoir is communicated with the second vent pipe, and the third port of the second heat reservoir is communicated to the chimney through a pipeline. The first heat reservoir and the second heat reservoir are alternatively switched and run between a preheating working state and a heat accumulating working state.

The invention discloses non-oxidation differential temperature quenching heat treatment equipment for an abrasion-resisting cement roller shell and relates to the technical field of roller shell differential temperature heat treatment. The non-oxidation differential temperature quenching heat treatment equipment for the abrasion-resisting cement roller shell comprises a cylindrical protective shield, an antioxidant, a protective cover, a cylindrical profiled furnace shield, a heating element and a trolley, wherein the protective shield surrounds the cement roller shell, the protective shield and the cement roller shell are coaxially arranged, the antioxidant is arranged between the protective shield and the cement roller shell and makes contact with the outer surface of the side wall of the cement roller shell, the cement roller shell is covered with the protective cover, the profiled furnace shield surrounds the protective shield, the profiled furnace shield and the cement roller shell are coaxially arranged, the heating element is arranged on the internal side wall of the profiled furnace cover, and the profiled furnace shield, the cement roller shell and the protective cover aresupported by the trolley; and the height of the cement roller shell is identical with that of the protective shield, and a certain space is arranged between the protective shield and the profiled furnace shield. The equipment which can prevent cement roller shell surface oxidation and can also achieve differential temperature heat treatment of the cement roller shell is provided for the defects of an ordinary trolley furnace treating the abrasion-resisting cement roller shell.