70results about How to "High specific heat" patented technology

An improved cold/compress therapy for the treatment of muscle, tissue, tendon, or cartilage injury or damage. The ICE Power Pack consists of a plurality of hollow vessels filled with water or aqueous solutions or colloids that can be solidified in a conventional domestic or commercial freezer. The encapsulated water or aqueous solutions or colloids rely on the high latent heat of fusion as they undergo a phase change providing an extended therapeutic period in a medically safe temperature zone. The vessels are sandwiched between flexible insulating and non-insulating layers that serve as compresses.

The invention relates to a fire-retardant type wide-frequency-band high-power compound wave-absorbing material and a preparing method thereof. The material comprises an outer shell, an inner core and a base, wherein the outer shell is a polyhedron formed by a set of pyramids arranged side by side, the wedges of the pyramids are towards the same side, the inner core is located inside the outer shell, the base is located at the bottom of the outer shell, the outer shell is made of non-woven cloths, the inner core and the base are made of polyurethane foams, the inner surface and the outer surface of the outer shell are respectively provided with a first fire-retardant wave-absorbing agent layer in a coating mode, and the inner core and the base are immersed in second fire-retardant wave-absorbing agents. Both the first fire-retardant wave-absorbing agents and the second fire-retardant wave-absorbing agents comprise acetylene black, alpha-SiC, aluminum hydroxide, kaolin, pentaerythritol, and App-3. The corresponding preparing method comprises the steps of preparing the outer shell, preparing the inner core and the base, and inserting the inner core into the outer shell, and therefore the wave-absorbing material is obtained. The wave-absorbing material has good wave absorbing performance and fire retardance, and the preparing method is simple and easy to implement.

A heat dissipating device includes a heat sink (10), a heat pipe (20), a heat reservoir (30) thermally connecting with the heat sink through the heat pipe, and a fan (40) generating an airflow through the heat sink. The heat pipe includes an evaporating portion (202) attached to the heat sink and a condensing portion (204) attached to the heat reservoir. The heat reservoir is made of metal containing working medium, such as water, therein. The heat reservoir stores or releases heat based on the amount of heat generated by the CPU to realize a compensation to the increase or decrease of temperature of the CPU, whereby the change rate of the temperature of the CPU from idle to busy condition and vice versa can be more stable.

The invention provides a waste gas pollutant combined removal device for a two-stroke diesel engine. The waste gas pollutant combined removal device comprises a waste gas washing device and a recirculation waste gas flow control device, the waste gas washing device comprises a washer, a washing solution storage box, a circulation pump, a SOx absorbing agent supply device and a fresh waste supply device, and the recirculation waste gas flow control device comprises a flow regulating valve, a recirculating draught fan and a one-way control valve. According to the waste gas pollutant combined removal device, waste gas of the two-stroke diesel engine is washed, the SOx content and the particle content in the waste gas are reduced, part of low-temperature clean waste gas is recirculated, the NOx generation amount of the engine is reduced, and combined desulfurization and denitration of waste gas pollutants of the ship diesel engine is achieved. According to the waste gas pollutant combined removal device, part of washed waste gas is recirculated, the combustion condition in a cylinder is improved to a large extent,by CO2 and vapor contained in the low-temperature clean waste gas and the NOx generation amount and the final discharge amount of the engine are reduced.

A PCM system and method of shifting peak electrical load is provided with a PCM system including a heat exchanger, a storage tank coupled to the heat exchanger for storing PCM slurry, a pump coupled to the heat exchanger, an air conditioning unit coupled to the heat exchanger, and a heat rejection unit coupled to the storage tank. The PCM slurry is pumped from the storage tank to the heat exchanger. The energy at the heat exchanger is absorbed by the PCM slurry, and the PCM slurry is then returned to the storage tank. The energy absorbed by the PCM is rejected from the storage tank to a ground loop or by an air conditioning unit during a non-peak or less load demand period.

A method for producing phase change energy storage wax comprises the following steps: refining a Fischer-Tropsch synthetic wax raw material through hydrogenation reaction to obtain Fischer-Tropsch refined wax; primarily separating the Fischer-Tropsch refined wax to obtain a plurality of fractions; selecting a target fraction from the plurality of fractions to carry out sweating treatment to obtainphase change energy storage wax, wherein a sweating device adopted in the sweating treatment is provided with a tubular heat exchanger structure. According to the method, the raw material treatment process is simple, and the production cost is low. By adopting the improved sweating process, the solid-liquid separation efficiency can be improved, the separation effect is improved, and finally theproduct quality is improved.

The invention relates to heat-conduction fluid, which comprises the following components: 1.2-3.2 wt% of calcium chloride, 2.5-4.5wt% of absolute ethyl alcohol, 0.5-1.5wt% of sodium perborate, 1.2-2.7 wt% of sodium nitrate, 0.8-1.5wt% of potassium hydroxide, 1.2-2.7 of potassium phosphate, 0.2-0.8 wt% of benzotriazole and the rest of distilled water. The superconductive fluid disclosed by the invention has the characteristics of antifreezing property, antirust property, antifoam property, non-toxicity, environment-friendliness, stable property and good heat transmission effect. After a heat transmitter uses the heat-conduction fluid disclosed by the invention, the service life of the heat transmitter can be remarkably prolonged, and the heat transmission property of the heat transmitter can be remarkably improved.

The invention belongs to the technical field of physical heat transmission and energy storage in high and new technologies and relates to low-melting-point binary nitric acid mixed molten salt nanofluid. The low-melting-point binary nitric acid mixed molten salt nanofluid is made by compounding of a low-cost low-melting-point mixed molten salt and nano particles, the low-cost low-melting-point mixed molten salt is mainly composed of potassium nitrate and calcium nitrate, and types of the nano particles are one or two types of SiO2, Al2O3, TiO2 and MgO nanoparticles. The prepared novel low-melting-point binary nitric acid mixed molten salt nanofluid has a melting temperature of 127.4 DEG C, a decomposition temperature of 574.2 DEG C, a specific heat of about 1.73-1.91J/(g.K), a sensible heat storage cost of about 23.23yuan/(kW.h) and a heat conductivity coefficient of about 0.664W/(m.K). Compared with a low-melting-point binary mixed molten salt, the low-melting-point binary nitric acid mixed molten salt nanofluid has the advantage that the utilization temperature range is not changed sharply but specific heat is evidently increased by an increase ratio of about 17.8%.

A method for preparing the shaped sleeve includes such steps as sleeving the blank on a shaping mould, putting it in water tank, heating the water, and making water temp constant for a certain time. Its advantages are high heat conducting speed, less loss of heat and high thermal uniformity.

The invention provides a transformer heat dissipation apparatus and a heat dissipation intelligent control system using the transformer heat dissipation apparatus. The transformer heat dissipation apparatus comprises a case for accommodating a transformer and a heat dissipation device, the heat dissipation device is installed on the case, the case is provided with a case shell, and the case shellis filled with a condensate a with high specific heat; a plurality of through holes are formed in the upper portion of the case shell and evenly formed in the upper portion of the case shell; and theheat dissipation device is vertically embedded in the through holes. The heat dissipation intelligent control system of the transformer heat dissipation apparatus comprises a temperature detection device, a temperature monitoring device, an execution mechanism and an alarm device, the temperature detection device is used for detecting the temperature of the condensate, the temperature monitoring device is used for comparing the temperature of the condensate with a preset temperature, and the execution mechanism is used for controlling the opening degree of a valve of an atomization pipeline inan atomization device; and the alarm device is used for giving an alarm when the temperature T1 of the condensate a or the temperature T3 of a condensate c exceeds the early warning temperature T4 ofthe condensate a or the condensate c.

The invention relates to an intelligent curtain wall daylighting roof. The intelligent curtain wall daylighting roof comprises a curtain wall board, wherein the curtain wall board is mounted in the outmost side of the top of a building; the curtain wall board is fixedly connected with a floor slab of the building through an outward inclined facade; a water insulation film is tightly adhered to the lower surface of the curtain wall board; a transparent, flexible and elastic dome is further mounted between the curtain wall board and the floor slab; the edge of the floor slab is fixed on the facade; the dome, the water insulation film and the facade form a lens layer at a liquid seal state; the lens layer is filled with transparent liquid; the lens layer is communicated with a liquid replacement layer in a closed way; a regulating device is mounted between the liquid replacement layer and closed space. The curtain wall daylighting roof can regulate the structure according to different seasons and climatic variation, and meanwhile has good light transmission and heat insulation effects.

The invention provides an energy-saving and quick-acting intelligent household superconducting liquid heating radiator, which comprises an upper circulation pipe, a lower circulation pipe, a heat dissipation pipe, a superconducting liquid, a power switch, a control system, a heating rod and a base, and the heat dissipation pipe includes Outer tube and inner tube; Described control system comprises flow sensor and warning system; Described warning system comprises warning light; Described flow sensor controls the flow rate of the superconducting liquid in described radiating pipe lumen; When the liquid leaks, the warning system starts, the warning light turns red, and the control system automatically cuts off the power supply to prevent danger from happening. The radiator of the present invention has the advantages of simple structure, energy saving and high efficiency, low cost, no liquid leakage, intelligent liquid leakage warning, superconducting liquid through a reasonable component distribution ratio, superconducting liquid is safe and non-toxic, high specific heat, good thermal conductivity, and low-temperature fluidity it is good.