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312results about How to "Uniform temperature" patented technology

LED (Light Emitting Diode) bulb lamp with driving power supply integrated in bulb shell

The invention discloses an LED (Light Emitting Diode) bulb lamp with a driving power supply integrated in a bulb shell. The LED bulb lamp comprises the bulb shell, a core column, a power supply drive, multiple LED luminous lamp filaments, heat conduction gas and a lamp holder, wherein the power supply drive is fixedly arranged on the core column; the LED luminous lamp filaments are connected with the power supply drive; the bulb shell is filled with the heat conduction gas; the lamp holder is connected with the bulb shell; each LED luminous lamp filament comprises a substrate; the surface of each substrate is provided with a metal circuit and a bottom adhesive layer; two ends of each substrate are provided with metal pins; each substrate is fixedly provided with an LED luminous unit; each LED luminous unit is provided with a sealing adhesive layer. According to the LED bulb lamp disclosed by the invention, the power supply drive is arranged in the bulb shell, an existing manual assembling link is avoided, large-scale automatic production can be realized, and the production cost is substantially reduced; the lamp filaments adopt an optimized chip arranging type, the temperature of each substrate in different positions is nearly uniform, the luminous flux maintenance rate and the long-term reliability of the whole LED bulb lamp are increased, and the service life of the LED bulb lamp is prolonged.
Owner:HANGZHOU HANGKE OPTOELECTRONICS

Industrialization production method of iron lithium phosphate material

The invention relates to a microwave synthetic method in the industrial production of lithium ion battery cathode material, namely, lithium iron phosphate. The invention is characterized in that superfine iron powder is adopted as microwave absorbing medium and iron source material, radiation heating is performed by an industrial microwave oven specially designed through uniformly distributed multisource microwave, and the sintering temperature is strictly controlled through infrared temperature measurement and the microwave output power automatic control. The iron powder can quickly absorb the microwave energy to lead the solid phase reaction to rapidly occur. In the vacuum pumping or the leading-in of non oxidizing atmosphere, the microwave sintering temperature is 500 to 950 DEG C, andthe sintering time is 5 to 40 minutes. The method can greatly reduce the sintering time, simultaneously can eliminate the disadvantages that the lithium iron phosphate material is not sintered uniformly, and the local particle grows up abnormally and so on, the grain size of the primary particles of the product is submicron structure, the speak plausibly of the material is higher, and the processability and the electrochemistry performance of the material during the battery manufacturing are good.
Owner:南通冠东模塑股份有限公司

Double helical ribbon multi-layer oar blade scraping cutter type stirrer

InactiveCN101234309AAvoid liquid-liquid separationUniform temperatureRotary stirring mixersTransportation and packagingIncomplete mixingMaterial system
A double helical ribbon stirrer with multiple layers of blade scrapers comprises a stirring shaft (5), helical ribbons (2), support blades (1), separate blades (4) and a soft scraper (3). The support blades (1) and the separate blades (4) are layered and arranged on the stirring shaft (5), and the support blade and the separate blade of each layer are arranged on the stirring shaft (5) symmetrically, and the support blade (1) and the separate blade (4) keep a dip beta of 10 degrees to 45 degrees with the radical level section, and smaller dip can reduce the loss of useful work effectively. The helical ribbons (2) are connected with the stirring shaft (5) through the support blades (1) which have the functions of connecting ribs and strengthening ribs, thus causing reasonable structure design of the whole stirrer. The soft scraper (3) is divided into two sections which are fixed on the top of the helical ribbons (2) symmetrically, and an angle alpha between the soft scraper (3) and a still wall is 20 degrees to 60 degrees. The soft scraper (3) can scrape sticky material on the stirring still wall in time, thus solving the problem of incomplete mixing on the surface of the still wall and avoiding the damage to the still wall. The stirrer of the invention provides a material system that can adapt to different viscosities, in particular to the material system which has large viscosity variation range in a short time.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Reaction chamber with external heating mode for metal organic chemical vapor deposition system

The invention relates to a reaction chamber with an external heating mode for a metal organic chemical vapor deposition system. The reaction chamber is of a double-layer structure, wherein the outer layer is a quartz protective chamber outer barrel, and the inner layer is quartz reaction chamber inner barrel; a substrate tray for placing a substrate is arranged in the reaction chamber inner barrel; the double protection ensures that the substrate is not influenced by the external environment in the reaction, and ensures the requirements on high purity and stable chemical and physical properties; the substrate tray of the reaction chamber provided by the invention is supported by a rotation shaft, and is connected with a rotating mechanism of the substrate tray through the rotation shaft; the substrate tray can automatically rotate in operation, thus effectively improving the uniformity of the components and the thickness of the thin membrane. According to the invention, a heating body is arranged outside the reaction chamber, so that the structure of the reaction chamber and the structure of the heating body are greatly simplified, and the equipment cost is lowered; meanwhile, the pollution of the heating component to the reaction chamber is avoided by the externally arranged heating body; a heater can move in the relative position relative to the substrate in the reaction chamber; and the substrate temperature can be simply and rapidly changed during the reaction process or when the movement is finished.
Owner:FUDAN UNIV

Continuous casting machine for lead plate of lead-acid storage battery

The invention discloses a continuous casting machine for a lead plate of a lead-acid storage battery, comprising a molten lead infusing device, a rolling device, a fixing support table and a cooler; the molten lead infusing device comprises a movable lead spoon, a heating tube, a molten lead output tube, a rotational arm, a guide groove, a guide shaft, a movable bearing and a driving device; the guide groove is arranged on the guide shaft movably; the rotational arm is arranged on the rotational shaft of the driving device; one end of the rotational arm is arranged in the guide groove throughthe movable bearing; the other end of the rotational arm is connected with the movable lead spoon; the movable lead spoon is internally provided with the heating tube and the molten lead output tube for feeding molten lead; the molten lead infusing device and the rolling device are arranged on the fixing support table; the movable lead spoon of the molten lead infusing device is installed above the roller of the rolling device; the movable lead spoon is driven to move above the roller repeatedly by the rotational arm driven by the driving device; and the cooler is communicated with the inner cavity of the roller of the rolling device. Molten lead is uniformly fed into the continuous casting machine for the lead plate through a reciprocating method, thereby ensuring the quality of the leadplate.
Owner:JIANGSU DONGSHUN NEW ENERGY TECH +1

Quantitative blending device of lubricating oil

The invention discloses a quantitative blending device of lubricating oil. The quantitative blending device comprises a stirring kettle, wherein feeding pipes are arranged at two sides of the top of the stirring kettle; first solenoid valves are arranged on two groups of the feeding pipes; flow meters, which are mounted on the feeding pipes, are arranged at one side close to the stirring kettle of the first solenoid valves; a discharging pipe is arranged at the center of one end, far away from the feeding pipes, of a reaction kettle; the discharging pipe is provided with a second solenoid valve; a first stirring shaft and a second stirring shaft are arranged in the reaction kettle in parallel; first heating tubes are arranged in the first stirring shaft and the second stirring shaft; spiral stirring blades are uniformly arranged on the outer sides of the first stirring shaft and the second stirring shaft. The quantitative blending device of the lubricating oil has a simple structure; quantitative feeding can be carried out on the reaction kettle through the flow meters and the solenoid valves; meanwhile, the temperature in the reaction kettle is uniform and keeps a suitable stirring temperature range all the time; the stirring is sufficient and the blending effect is good; the working efficiency and quality of blending the lubricating oil are improved.
Owner:阜宁县特种油品有限公司

Continuous silicon rubber foam plate with low compression stress relaxation and preparation method of continuous silicon rubber foam plate

The invention provides a continuous silicon rubber foam plate with low compression stress relaxation and a preparation method of the continuous silicon rubber foam plate. The problems that production of the continuous silicon rubber foam plate cannot be realized by using the traditional die pressing method and the continuous silicon rubber foam plate with a smooth surface cannot be obtained by using an extrusion-hot air vulcanizing and foaming method are solved. The preparation method of the continuous silicon rubber foam plate is characterized by comprising the following steps of: adding 100 parts of silicon rubber, 1-3 parts of vulcanization systems, 2-8 parts of foaming systems, 10-50 parts of reinforcing agent and 1-5 parts of structural control agent into an internal mixer to uniformly mix at room temperature; then, adding a rubber compound into a silicon rubber extruder to obtain a flat-like rubber blank with required width and thickness through a die; and finally, introducing the flat-like continuous rubber blank into a salt bath vulcanization tank to vulcanize and foam, wherein the salt bath temperature is controlled at 135-180 DEG C, and the vulcanizing and foaming time is controlled within 3-5min. The continuous silicon rubber foam plate has the characteristics of high production efficiency, uniform heating and vulcanizing temperature, good surface level, uniform and small cells and low compression stress relaxation so as to have huge application prospect when being used as sealing, sound insulating, heat insulating, locating and damping materials in special severe environments such as transportation, petrochemical industry, electronic industry and aerospace.
Owner:XIHUA UNIV

Pretreatment technology for reducing carbonization of tobacco stems after being expanded by microwave

The invention relates to a pretreatment technology for reducing carbonization of tobacco stems after being expanded by microwave, and belongs to the technical field of tobacco processing. The pretreatment technology for reducing carbonization of tobacco stems after being expanded by microwave is the improvement on basis of prior art. The pretreatment technology for reducing carbonization of tobacco stems after being expanded by microwave provided by the invention comprises the following steps: preparing tobacco stems, primary feeding, screening, slitting, air-conveying, secondary feeding, warming and wetting, and expanding by microwave. The pretreatment technology for reducing carbonization of tobacco stems after being expanded by microwave has the advantages that, the production flow is controlled by quantitatively feeding, and obvious effect is provided for keeping stable quality of each process; when the tobacco stems are in the warming and wetting process, the tobacco stem slitting technology is used for enabling moisture and temperature of the core parts, cambiums and cortexes of the tobacco stems to be more uniform, and the carbonization of the core part in the microwave expansion process due to that the core part has more moisture and lower heat radiating effect than the surface is reduced. The method provided by the invention is significant in improving cut stem quality and use ratio, and reducing the cost of cigarette enterprises.
Owner:YUNNAN RES INST OF TOBACCO SCI

Method for producing high-purity pure iron

The invention relates to a method for producing high-purity pure iron. The method includes the following steps: iron oxide is reduced in a layered-control mode through a direct-reduction system to manufacture sponge iron; the sponge iron is added into a medium-frequency or power-frequency induction furnace for smelting, and composite slag forming constituents are added in batches; after smelting and slagging-off are conducted, composite slag forming constituents are added, argon-oxygen mixed gas bottom blowing is carried out on the medium-frequency or power-frequency induction furnace through porous bricks at the bottom, blowing of the mixed gas is stopped when the temperature of molten steel reaches 1620 DEG C to 1650 DEG C, standing is carried out on the molten steel for 25 minutes to 35 minutes, then slagging-off is conducted, a proper amount of aluminum is added into the molten steel for 1 minute to 2 minutes, argon bottom blowing is carried out through the air bricks at the bottom of the induction furnace at the moment, and stopped when the temperature is continuously raised to range from 1640 DEG C to 1680 DEG C, horizontal continuous casting or bottom casting is conducted after standing is conducted on the molten steel for 15 minutes, and the low-impurity pure iron with the iron content larger than 99.9% is obtained, wherein the contents of more than twenty elements are all smaller than 0.01%. Meanwhile, the pure iron with the higher purity can be produced through vacuum refining or electroslag remelting. By means of the method, the flow path is short, devices are simple, and investment is saved.
Owner:武汉桂坤科技有限公司

Automobile engine cooling water jacket structure integrating exhaust manifold

The invention relates to an automobile engine cooling water jacket structure integrating an exhaust manifold. The automobile engine cooling water jacket structure comprises a cylinder body water jacket, a cylinder cover water jacket and an air cylinder mat; the automobile engine cooling water jacket structure is characterized in that the cylinder body water jacket comprises a water passing way arranged on the air inlet side of an engine and a cylinder body water jacket body wrapping the air cylinder and communicating with the water passing way; and the cylinder cover water jacket comprises a burning chamber water jacket wrapping a burning chamber and communicating with the water passing way and an exhaust manifold water jacket wrapping the exhaust manifold and communicating with the burning chamber water jacket. By means of the automobile engine cooling water jacket structure, an air cylinder cover and an air cylinder body are better cooled, the cooling water distribution ratio of thecylinder body water jacket to the cylinder cover water jacket can be adjusted to enable the cooling effect on the air cylinder cover and the air cylinder body to be better, the more even air cylindertemperature can be guaranteed, the cooling strength of the burning chamber and the exhaust way zone can be adjusted, and the temperature of the burning chamber and the temperature of the exhaust way zone can keep coincident; and the cooling capacity of the exhaust manifold can be improved, and the reliability and the economical efficiency of the engine are improved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

An aqueous nanometer heating film containing graphene and carbon nanotubes and a preparation method thereof

PendingCN109068412AHigh electricity-to-heat radiation conversion efficiencyUniform temperatureOhmic-resistance electrodesHeating element materialsCvd grapheneFilm structure
The invention belongs to the novel electrothermal field, in particular to an aqueous nano heating film containing graphene and carbon nanotubes and a preparation method thereof. Comprises a first insulating and flame-retardant flexible film, an aqueous nano three-dimensional conductive layer containing graphene and carbon nanotubes, a copper-silver composite electrode, a temperature-resistant adhesive and a second insulating and flame-retardant flexible film, wherein the heating film has a multilayer film structure, and the thickness of the first insulating and flame-retardant flexible film islarger than that of the second insulating and flame-retardant flexible film. The water-based nano-heating film containing graphene and carbon nanotubes is a new type of nano-heating film. The heat radiation conversion efficiency is up to 70% - 75%, the temperature is homogeneous, the power is basically zero attenuation, the heating temperature can be adjusted from 35 DEG C to 180 DEG C, and the heat resistance and flame resistance of the heating film are improved. The problems of low conversion efficiency of heat radiation, non-uniform heat generation, power attenuation, inability to withstand temperature, heat and flame are eliminated, which prevents the occurrence of safety accidents.
Owner:ANHUI BAOLI LENUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Effective sealed steam drug-decocting machine

The invention discloses an effective sealed steam drug-decocting machine. The effective sealed steam drug-decocting machine comprises a mounting base, a pot body and a pot lid, wherein the pot lid and the pot body are connected in a sealing way; a porous cylinder is arranged in the pot body; a medium heating cavity is formed in the outer wall of the pot body; the edge of an opening end of the pot body extends out of the mounting base; the edge of an opening end of the porous cylinder is lower than the edge of the opening end of the pot body; a steam containing cavity is formed in the space between the opening end of the porous cylinder and the opening end of the pot body; a through hole in the side wall of the porous cylinder forms a liquid outlet hole which communicates the inner cavity of the pot body with the inner cavity of the porous cylinder; a liquid-outlet passage is formed in the bottom of the pot body and extends out from the side wall of the mounting base through a draining pipe; a steam-inlet pipe, a steam-outlet pipe, a steam-inlet valve and a steam-outlet valve are arranged on the mounting base; the steam-inlet pipe and the steam-outlet pipe are both communicated with a medium heating cavity. The effective sealed steam drug-decocting machine is simple in structure; steam is adopted to heat, so that temperature is more uniform, and the problem that a pot is burnt when the bottom temperature is high and the upper temperature is low is not caused; steam in the medium heating cavity can be reclaimed to be circularly used in a steam generator, so that the effective sealed steam drug-decocting machine is more sanitary, energy-saving and environment friendly.
Owner:WENZHOU DINGLI MEDICAL APP & INSTR

Cobalt hydroxide rotary drying device

InactiveCN103292582AGuaranteed temperature requirementsUniform temperatureDrying solid materialsDrying machines with non-progressive movementsCobalt hydroxideElectric heating
The invention discloses a cobalt hydroxide rotary drying device which comprises a base, a support, a feeding device, a low-temperature drying device, a high-temperature roasting device and a cooling device. The feeding device, the low-temperature drying device, the high-temperature roasting device and the cooling device are sequentially fixed on the base, wherein the support is arranged at the lower end of the base and used for supporting, the low-temperature drying device comprises a first heat preservation layer and a first electric heating furnace tube arranged in the first heat preservation layer, and the high-temperature roasting device comprises a second heat preservation layer, a second electric heating furnace tube, a rotary cylinder body and a lifting board. The second electric heating furnace tube is arranged between the heat preservation layer and the rotary cylinder body, the lifting board is vertically arranged on the inner wall of the rotary cylinder body, the cooling device comprises a third heat preservation layer and a cooler arranged in the third heat preservation layer, and the cooling device is used for conducting cooling and discharging on dried cobalt hydroxide. The cobalt hydroxide rotary drying device has the advantages that the yield is large, energy consumption is low, the temperature is uniform and few metal foreign bodies are led in.
Owner:NANTONG RESHINE NEW MATERIAL
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