113results about How to "Small specific heat capacity" patented technology

The invention relates to a waste heat recovery system of a marine diesel engine, specifically to a waste heat power generation system of a marine diesel engine based on the organic Rankine cycle, comprising a waste gas boiler which is installed on a ship and takes the waste heat of the marine diesel engine as a heat source. The waste gas boiler is equipped with an evaporator which takes hot water in the boiler as a heat source, wherein the evaporator can heat an organic working medium circulating through the evaporator and generate steam. A medium steam outlet of the evaporator passes through a steam turbine and connects to a booster pump inlet through a cooling medium reflux inlet of the steam turbine, and a booster pump outlet is connected to a medium inlet of the evaporator. The steam turbine drives a generator to make electricity. The waste heat power generation system provided by the invention can improve the efficiency in utilizing the waste heat of marine diesel engines, having a compact structure and reliable operation.

The invention discloses a nano long-acting liquid coolant. The nano long-acting liquid coolant comprises the following components of a base liquid which is composed of diatomic alcohol and a diluent, metal nanoparticles with a particle size of 3-100nm or carbon nano tube particles with a tube diameter of 8-100nm and length of 100-600nm, a dispersing agent, a corrosion inhibition additive, a pH regulator and a fluorescence colorant. The nano long-acting liquid disclosed by the invention is high in heat conductivity coefficient, good in heat transfer performance, good in liquidity and low in cost.

The invention discloses a waste gas waste heat power generation system of a ship diesel generator based on an organic Rankine cycle. The system comprises a waste gas boiler, an organic working medium expander, a reducer, an alternating current generator, a regenerator, a condenser, an organic working medium booster pump and an evaporator which is installed on the waste gas boiler, wherein an organic working medium outlet of the evaporator is connected with an inlet of the organic working medium expander, a rotating shaft of the organic working medium expander is sequentially connected with the reducer and the alternating current generator, an outlet of the organic working medium expander is sequentially connected with a first inlet of the regenerator and a first outlet of the regenerator, the first outlet of the regenerator is connected with an inlet of the condenser, the outlet of the condenser is connected with an inlet of the organic working medium booster pump, an outlet of the organic working medium booster pump is sequentially connected with a second inlet of the regenerator and a second outlet of the regenerator, the second outlet of the regenerator is connected with an organic working medium inlet of the evaporator, and waste gas generated by a ship diesel generating unit is fed into the waste gas boiler. By the aid of the system, the waste gas waste heat of the ship diesel generating unit is effectively recycled.

The invention provides a solar cooperative two-step biomass spiral baking pretreatment method and an apparatus thereof. The method comprises the following steps: carrying out drying dehydration on biomasses by using solar energy as an auxiliary heat source and cooperating with baking volatile matter combustion; preheating a biomass spiral baking reactor by using conventional energy, sending the dehydrated biomasses into the biomass spiral baking reactor, carrying out a baking reaction, stopping the convectional energy when the baking volatile matters are ignited, mixing the baking volatile matter with air to combust, blending high-temperature hot smoke generated during the combustion with the air to reach a preset temperature biomass, providing heat for the baking reaction, carrying out heat exchange on the heat-exchanged medium-temperature smoke and air, completely discharging the smoke, and carrying out drying dehydration on the biomasses by the heated air. The baking process is divided into drying dehydration and low-temperature pyrolysis, the biomasses are dried to remove water, the specific heat capacity of the material is reduced to facilitate material heating and precipitation of the baking volatile matter, and the solar energy is combined to realize biomass baking pretreatment customized production with wide biomass material adaptability.

The invention relates to a preparation method of a chameleon bionic camouflage painting color-changing film. The preparation method comprises the following steps: adding thermo-sensitive macromolecular monomers, nano-metal particles, a surfactant, a cross-linking agent, an auxiliary initiator and an initiator into deionized water to mix to obtain a mixed solution; (2) pouring the mixed solution into a silicon dioxide photonic crystal template, standing until polymerization is finished, soaking the template into a hydrofluoric acid to obtain a reverse template, washing the reverse template in the deionized water repeatedly, and soaking the reverse template in the deionized water to obtain a thermo-sensitive macromolecular coupling nano-metal particle chameleon bionic film. Compared with the prior art, the preparation method of the chameleon bionic camouflage painting color-changing film has the advantage that the chameleon bionic camouflage painting color-changing film has sensitive color change correspondence on temperature, visible light and near-infrared light.

The invention discloses a liquid dehumidification combined vortex tube low-temperature air-flow output device, which comprises an air intake unit, a drier, a compressor, a reducer, an air storage tank and a vortex tube. The air intake unit conveys gas to be dried into the drier; the compressor compresses the dried gas from the drier; the reducer receives high temperature and high pressure gas from the compressor and gas from a hot end of the vortex tube which are used as heat sources; a liquid storage tank stores dried high pressure gas outputted from the reducer; the vortex tube carries out hydrocyclone separation on high pressure gas from the liquid storage tank; a cold end of the vortex tube outputs low temperature air-flow; and the reducer carries out evaporation and concentration on a dilute desiccant from the drier. The invention also discloses a liquid dehumidification combined vortex tube low-temperature air-flow pulverizing system. Low-grade heat energy self-produced by the system is used as a heat source for concentration reduction of the desiccant. No extra energy is consumed, and dried gas with high dryness is obtained. As low-temperature air-flow is outputted by the refrigeration effect of the vortex tube, energy utilization is more economical and reasonable.

The invention provides a device and method for measuring the specific heat capacity and phase change latent heat of a substance. The device comprises a calorimeter component and a sample temperature control component. The calorimeter component comprises a calorimeter. A magnetic stirrer used for stirring a calorimetric liquid in the calorimeter is arranged at the bottom of the calorimeter. A temperature difference thermocouple and a first temperature sensor are arranged in the calorimeter. The sample temperature control component is located above the calorimeter. The sample temperature controlcomponent comprises a thermostatic aluminum block. A platinum resistance thermometer and a tested sample are arranged in the thermostatic aluminum block. A second temperature sensor is arranged on the tested sample. The calorimetric liquid is ethylene glycol. The calorimeter is in a double-layered sleeve structure. According to the invention, the device can accurately measure the specific heat capacity of a solid and liquid and the phase change latent heat of a solid-liquid phase change material; the stability of the device is great; a wide temperature range can be measured; and the device can be used for measuring the specific heat capacity and phase change latent heat of materials in industry and scientific research, and can be used for teaching experiments of energy and power related professional courses.

The invention belongs to the technical field of adsorbing materials, and particularly relates to a concentrated rotating wheel adsorbing material and a preparation method of the adsorbing material. The adsorbing material comprises a base material, a high-silicon type zeolite molecular sieve ZSM-5, an inorganic binding agent, fumed silica, an activated aluminum oxide precursor, a dispersing agent,alcohol ether, a lubricating agent, oil, an organic binding agent, alcohol and/or cellulose and pure water. The concentrated rotating wheel adsorbing material has the beneficial effects that the adsorbing material prepared from the raw materials by adopting the technology has the advantages of high molecular sieve content, high strength, high specific surface area, high adsorption and desorption ratio, low specific heat capacity, low wind resistance and the like, and solves the problems that a traditional molecular sieve adsorbing material is low in adsorption efficiency, low in strength, poorin thermal stability, short in usage period and the like.

The invention discloses a waste heat recycling RTO combustion furnace, and relates to the field of gas combustion furnaces. The waste heat recycling RTO combustion furnace comprises a waste gas pipeline for transmitting organic waste gas, a combustion chamber for gas combustion, a preheating chamber for preheating the organic waste gas in the waste gas pipeline by using hot waste gas generated inthe combustion chamber, and a heat exchange chamber for recovering heat in the hot waste gas, wherein a heat storage cavity made of heat storage materials and a combustor used for increasing the initial temperature in the heat storage cavity to ignite the waste gas are arranged in the combustion chamber, the preheating chamber communicates with the combustion chamber, and a breathable partition plate is arranged between the preheating chamber and the combustion chamber. In order to solve the problem that an existing heat accumulating type gas oxidation combustion furnace cannot effectively preheat the organic waste gas, the waste heat recycling RTO combustion furnace has the advantages that the organic waste gas is preheated by using the combustion heat of the organic waste gas, and the preheating effect is better.

The invention relates to an energy saving device of the small thermal equipment which is made by the tray pipe aqueous medium. It placed in the heating container through the dielectric fluid heating the water in the tray pipe, the medium is a liquid combination, has small specific heat capacity, high thermal conductivity, using atmospheric heating container to receive a higher saturation temperature of soft drink, putting the different formative tray pipe in the corresponding heating containers and simultaneously adding the corresponding proportion of the liquid medium into the heating container, The two end of the tray pipe through the pipe separately connect the water supply device and the heat preservation water tank, may forms the heat water steam boiler and the solar hot water heater, the solar heating becomes one of the energy in the family heating, refrigeration, water heating( view the figure) and the energy-saving effect is remarkable.

The invention relates to a solid insulation treeing type high temperature test system capable of realizing high efficiency temperature control. The system comprises a test vessel formed by a container wall and a glass foundation, wherein the test vessel is internally filled with dimethicone, an annular glass tube surrounds an inner side of the test vessel in a spiral mode, the annular glass tube is connected with a high temperature heating source through a heat circulation tube, the high temperature heating source is internally filled with silicone oil, a sample is arranged at the bottom portion of the test vessel, one end of a high voltage leading wire is connected with an anode of the sample, the other end of the high voltage leading wire is connected with a high voltage power source, one end of a low voltage leading wire is connected with a cathode of the sample, and the other end of the low voltage leading wire is externally in grounding connection. The treeing type test on the solid insulation sample can be carried out under the action of external AC/DC voltages, microscopic observation on electrical tree initiation and growth characteristics can be realized, voltage stress and high temperature thermal stress can be simultaneously applied to the sample, treeing type test and measurement can be prevented from being influenced by a heating system, the system employs enclosed circulation, and the system further has advantages of small heat loss, high heat energy utilization efficiency, simple operation, reliable running, no noise and long service life.

The invention relates to a thermal system for preparing a heavily-doped silicon single crystal, which comprises an upper insulation cylinder, a lower insulation cylinder, an underpan insulation layer, a support cover, a large cover and a diversion cylinder. The invention is characterized in that the upper insulation cylinder, lower insulation cylinder and underpan insulation layer are made of a novel composite heat-barrier material; the composite heat-barrier material is a multilayer material superposed by a carbon felt and a graphite hard felt, and a bright molybdenum metallic reflection layer is coated on the internal surface of the composite heat-barrier material; the support cover is made of a graphite hard felt; and the large cover is made of a graphite/graphite hard felt composite material, of which the lower layer is the graphite hard felt. The invention solves the problems of constitutional supercooling and broken cell caused by temperature fluctuations in the drawing process of the heavily-doped silicon single crystal, and enhances the axial resistivity uniformity of the heavily-doped arsenium single crystal.

The invention discloses a technique for improving esterification reaction speed of polyester, which uses nitrogen as auxiliary raw materials; in the process of esterification reaction, nitrogen in gas phase or in liquid phase is sent into a reactor, which breaks the original balance of gas-phase and liquid-phase reaction system, so as to improve the desorption speed of byproduct water, and lead the esterification reaction balance to move toward the positive reaction, and therefore the esterification reaction speed can be improved. With the adoption of the invention, the production capacity of esterification device can be improved about 30 percent without changing the major structure of the polyester device. Owing to the recycling use of nitrogen, the producing cost of unit product is hardly improved, and equipment investment for improving technology is little and therefore, economic benefit is very obvious.

The invention discloses a flat spectrum absorption layer for detectors and a manufacture method thereof. The absorption layer comprises a first metal layer, a second metal layer and a third metal layer from top to bottom. The absorption layer is characterized in that the first metal layer is a chrome-nickel alloy layer with the square resistance of 9.5-10.0 omega/square, the second metal layer is made of metallic nickel with the film thickness of 75-85nm, and the third metal layer is made of metallic chrome with the film thickness of 18-22nm. According to the manufacture process, the flat wide spectrum absorption layer is manufactured by means of process technologies of photoetching imaging, thermal evaporation and ion beam sputtering. The process method for manufacturing the absorption layer is simple in process, is compatible with a standard semiconductor process, facilitates process integration, and is suitable for unit, array and area array detectors. The absorption layer has the advantages of being firm in adhesion, good in repeatability, wide in absorbed waveband, flat in spectrum, high in absorption rate, small in specific heat capacity and excellent in heat transfer performance. Besides, the absorption layer can serve as an electrode and is suitable for thermal infrared detectors.

The invention relates to a preparation method for manually boiling donkey-hide gelatin with a special pure titanium pot. Donkey skin is taken as the main raw material, the special pure titanium pot manufactured with a spinning forming technology and through surface nitriding treatment is adopted, rock sugar and high-quality Shaoxing rice wine are added for concentration into gelatin after a glutinous solution is prepared through boiling, and then health-care donkey-hide gelatin food is prepared through gelling, gel cutting, gel airing, fractioning, sterilization, inner packing, outer packing, inspection, storage and the like. Other elements which are harmful tohuman bodies and released in a donkey-hide gelatin product boiling process with traditional iron pans or stainless steel pots are avoided, the nutritional value of the donkey-hide gelatin product is improved, and green, healthy and restorative donkey-hide gelatin product is preparedtruly through boiling.

The invention provides a high-efficiency hot blast stove for tobacco leaf curing equipment, comprising: heat conducting tubes (1), finned tubes (2), furnace walls (3), furnace roofs (4) and steel fins (5) ; It is characterized in that the heat pipe (1) is a group of non-phase-change circulation loop heat pipes; the finned tube (2) is an aluminum alloy finned tube. The invention adopts a single-phase heat transfer mechanism, which greatly improves the heat transfer capacity of the heat-conducting device and the bearing capacity of the furnace temperature, breaks through various limit restrictions of the furnace temperature on the phase change heat transfer, and solves the problem that the ordinary phase change heat transfer mechanism is not competent The high-density heat transfer condition, and through the integrated design of fuel combustion and heat dissipation, the aluminum alloy slotted fins with high heat exchange capacity are used to fully expand the heat exchange area, so that the hot blast stove forms a heat dissipation structure with strong heat exchange capacity. , greatly improve the heat energy utilization efficiency of tobacco leaf curing equipment, and achieve the purpose of saving energy and reducing consumption in flue-cured tobacco production.

The present invention provides a composite absorbent and a method of utilizing the same for coupled ethylene oxide absorption and conversion for ethylene carbonate co-production. The composite absorbent includes an ionic liquid having a structure shown as a formula I, a formula II or a formula III and ethylene carbonate. The composite absorbent is used for absorbing ethylene oxide and carbon dioxide. In the process of absorption, the ionic liquid also acts as a catalyst to catalyze reaction between the ethylene oxide and the carbon dioxide to produce the ethylene carbonate, and pre-conversionis achieved while absorption, so that the energy consumption is reduced and industrial application value is high. The composite absorbent is also used for coupled ethylene oxide absorption and conversion for ethylene carbonate co-production, absorption and conversion are directly coupled, one-step production of the ethylene carbonate is achieved, and the method is simple to operate and low in equipment cost, omits a stripping step, reduces energy consumption, and meets requirements on cost-effectiveness, energy saving and environment protection.

The invention belongs to the field of preparation of anti-fog coatings, and particularly relates to an antibacterial anti-fog coating based on medical goggles and a preparation method of the antibacterial anti-fog coating. The preparation method comprises the following steps of: carrying out ultrasonic dispersion on h-BN to obtain nanosheets; loading ZnO-QDs on the nanosheets by taking zinc acetate as a raw material; taking the ZnO-QDs/h-BN nanosheets, styrene and methacrylic acid as raw materials, taking polymethylacrylic acid- 2-hydroxyethyl ester and lauryl sodium sulfate as auxiliaries, performing modification by using KH-550 to obtain modified ZnO-QDs/h-BN/polystyrene nanospheres; and preparing the composite polystyrene microspheres into a coating, and preparing an anti-fog coating ona substrate by using a dip-coating method. The antibacterial anti-fog coating is a hydrophobic coating, willnot leave spot on the surface, and is long in service life.

The invention provides a performance testing of anti-pressure oil well anti-seepage well cementation briquette prepared from ceramic fiber and gangue. The performance testing comprises the following steps: preparing the ingredients of the anti-seepage well cementation briquette: 40wt% to 50wt% of G-level oil well cement, 10wt% to 15wt% of superfine cement, 25wt% to 35wt% of gangue close-hole hollow ceramic microbeads with the particle sizes of 50 to 350 microns, 5wt% to 7wt% of coal ash with the ignition loss of 1.1%, 1.5wt% to 2wt% of calcium oxide with the purity of 99.9%, 0.5wt% to 1.0wt% of sodium sulfate, 1wt% to 5wt% of silica powder and 1.0wt% to 2wt% of alumina powder for sampling to obtain a mixture, wherein the sum of the weight percentages of the components is 100%; and blendingthe obtained mixture with the water cement ratio being 0.5 to 0.7 for size mixing to prepare a sizing agent, then adding a foaming agent with the total weight of 0.2% to 0.5% of that of the mixture,then adding ceramic fiber, graphite microbeads and expansion resin in proportion, and stirring uniformly to carry out anti-seepage performance testing.

A wood-plastic floor for a bathroom is prepared from, by weight, 60-70 parts of wood powder, 22-32 parts of PVC resin, 7-11 parts of zinc stearate, 13-22 parts of n-amyl-4-hydroxybenzoate, 15-24 parts of sodium dehydroacetate, 17-25 parts of phenolic resin, 17-25 parts of polypropylene, 17-25 parts of linear low-density polyethylene, 1-3 parts of walnut shells, 0.2-0.4 part of chestnut shells, 8-13 parts of vermiculite, 6-12 parts of kaolin, 5-9 parts of dioctyl phthalate, 1-2 parts of polyacrylamide, 6-13 parts of polyoxyethylene bis(stearate), 12-15 parts of polymethyl sorbate, 7-11 parts of snakegourd fruit vines, 3-7 parts of polyethylene wax, 1-2 parts of activated carbon, 2-3 parts of dandelions, 0.1-0.2 part of wheat germ oil, 0.1-0.2 part of sunflower seed oil and 0.1-0.2 part of edible vinegar. The wood-plastic floor is waterproof and anti-skid, water is not likely to gather on the surface of the floor, components are dispersed, moisture volatility is accelerated, dryness of the surface of the floor is kept, and the floor is resistant to bacterium erosion and worm damage. Besides, the wood-plastic floor is small in specific heat capacity, is warm in winter and cool in summer when people step on the floor, and is particularly suitable for the bathroom to use and wide in application prospect.