315results about How to "Efficient heat exchange" patented technology

A regenerator having a thermal diffusivity matrix is presented. The thermal diffusivity matrix includes magneto-caloric material having multiple miniature protrusions intimately packed to form a gap between the protrusions. A fluid path is provided within the gap to facilitate flow of a heat exchange fluid and further provide efficient thermal exchange between the heat exchange fluid and magneto-caloric material. A first layer is disposed on each of the miniature protrusion to physically isolate the heat exchange fluid and magneto-caloric material, wherein the first layer further includes a soft magnetic material configured to simultaneously enhance a permeability and a thermal efficiency of the thermal diffusivity matrix.

Provided is a compact apparatus for measuring the flow rate of a fluid. The apparatus includes a heated measure element and a heated reference element which are in substantially the same thermal environment within a measure cell, except that the measure element is situated in the path of the cooling fluid flow and the reference element is sheltered from this direct fluid flow. These elements are arranged as parallel and concentric planar elements that are essentially identical to each other with matching thermal characteristics. The elements are electrically connected in a Wheatstone bridge arrangement. Thermal exchange between the reference and measure elements is used to optimise noise rejection due to common mode background thermal effects. Measured parameters from the bridge can be used to derive the fluid flow rate.

A flexible circuit comprises two flexible dielectric sheets having conductive patterns on their surface(s) to which microelectronic device(s) are attached. A bond layer joins the two sheets over a portion of their respective surface areas so that a remaining portion of their areas remain unbonded and a bifurcated structure is thereby formed. Electrical contacts are provided on the unbonded or bifurcated portions of the flexible sheets. The flex may be attached to a rigid frame and provided with protective heat spreading covers.

The invention provides a nickel-zinc-copper ferrite absorbing material and a preparation method used for the absorbing material. The invention aims at overcoming the shortages of the existing ferrite absorbing material and the preparation method thereof which have narrow absorbing frequency range, large grain, high sintering temperature and large energy dissipation of the product, and provides the nickel-zinc-copper ferrite absorbing material and the preparation method thereof which have wide absorbing frequency range, small grain, low sintering temperature and low energy dissipation of the product. The preparation method of the invention comprises the steps that nitrate or chloride or sulphate is adopted as raw material; one of salicylic acid, citric acid, malic acid and tartaric acid is adopted as an intercalating agent; after the material and the intercalating agent are weighed according to proportion, mixed and uniformly groud, ethanol solvent with suitable quantity is added into the intercalating agent so as to prepare rheid which is injected into a reaction kettle and reacted under ultrasonic conditions; subsequently, the solid matter is cooled, filtrated, washed by water and washed by ethanol, and dried so as to obtain organic acid salt precursor; Mn3O4 is added into the precursor and the nickel-zinc-copper ferrite nanometer powder is obtained by sintering.

The present invention provides a solid-state lighting fixture and lamp for down light for use in applications especially in recessed lighting. In particular, the lamp of the subject invention may be configured as a direct screw-in replacement for common R-30 style incandescent flood lamp and it may be used existing luminaires. In one preferred embodiment of the present invention, a lamp mounted in a recessed light luminaire for down lighting has one or more light emitting diodes (LEDs) that are thermally coupled to a heat sink having fins for cooling by ambient air. The fins are configured so that air warmed by the fins can rise inside the luminaire and transfer its heat to it. Air cooled by the luminaire is allowed to sink and may flow out of the luminaire via a gap between the heat sink and the luminaire. Fresh cooler air may be drawn in between the fins to replace out-flowing air. This process of heating and cooling of air established a natural convection flow. Natural convective air flow allows for efficient thermal communication between the heat sink and the luminaire, thereby allowing for lower LED junction temperature and longer LED lifetime.

The invention discloses chemical industry waste gas treatment equipment, which comprises a box body, wherein the lower end of the left side of the box body is provided with a gas inlet pipe; a filtering cavity is arranged at the right side of the gas inlet pipe; a first connecting pipe is arranged at the upper side of the filtering cavity; a burning cavity is arranged at the upper side of the first connecting pipe; a second connecting pipe is arranged at the right side of the burning cavity; a condensation cavity is arranged at the left side of the upper end of the second connecting pipe; the left end and the right end of the upper side of the condensation cavity are provided with circulation pipes; a water storage cavity is arranged at the upper side of each circulation pipe; an acid alkaline detector is arranged at the right side of the condensation cavity; each of the left side and the right side of the lower end of the second connecting pipe is provided with a third connecting pipe; the lower sides of the third connecting pipes are respectively provided with an acid solution storage cavity and an alkaline solution storage cavity; the upper side of each of the acid solution storage cavity and the alkaline solution storage cavity is provided with a gas outlet pipe; the upper sides of the gas outlet pipes are connected with a fourth connecting pipe; the right side of the fourth connecting pipe is provided with a purification cavity; the upper side of the purification cavity is provided with an exhaust pipe. The chemical industry waste gas treatment equipment has the advantages that various kinds of harmful gases and suspended particles in waste gas can be effectively removed, so that the cleanness of exhausted gas is ensured.

The invention discloses a system for recovering the total heat of waste damp and hot air and a method for recovering the total heat of the waste damp and hot air. The system for recovering the total heat of the waste damp and hot air is used for high-temperate and high-humidity work environment which is relatively sealed. The system comprises a heat recovery machine set and heat usage equipment, wherein the heat recovery machine set comprises an evaporator arranged in a work environment, a condenser connected with the evaporator by one pipeline, and a compressor connected with the evaporator and the condenser by the other pipelines; the heat usage equipment comprises a water box connected with the condenser by a circulating pipeline, and water transporting equipment connected in a water outlet pipeline of the water box; and a water inlet pipe and the water outlet pipe which can be connected with a tap water pipeline, are further arranged on the water box. The system and the method can be used for effectively collecting the waste damp and hot air discharged in the work environment such as a hotel washhouse, a printing and dyeing mill and the like as well as recovering the total heat of the waste damp and hot air to heat up the tap water, so that the hot water can be provided to a washing flow path to use, and the effects of energy saving, consumption reducing, and air cooling and dehumidifying of a working space can be achieved.

A fuel cell module which provides a structure of not causing gas leakage on an oxygen-containing gas flow path including a heat exchanger, and is reduced in costs. The fuel cell module comprises a power generating chamber housing a fuel cell, and an almost rectangular parallelepiped casing enclosing the power generating chamber, wherein the left and right walls and the top wall of the casing are hollow walls each forming a reaction gas flowing space by an outer shell member and an inner shell member provided in parallel with a specified gap between them, the outer shell member and the inner shell member are respectively formed in a U-shape in section, and a reaction gas introducing member is provided that suspends into the power generating chamber from the inner shell member of the top wall, communicates with the reaction gas flowing space, and introduces a reaction gas into the power generating chamber.

The invention discloses a phase-change material packaging process and a phase change heat storage product prepared by using the process. The phase change heat storage product comprises a spherical silica gel shell and a sphere prepared from a phase-change material, wherein the sphere is arranged in the spherical silica gel shell. The packaging process is simple, can realize packaging of phase-change materials with phase-change temperatures in a range of 100 to 200 DEG C and has the advantages of a good packaging effect, low cost and easy realization. The product provided by the invention is ingeniously designed, fully utilizes the characteristics of high temperature resistance, aging resistance, no toxicity, uneasy reaction with acid and alkaline substances and the like of silica gel and enables a packaged phase-change material to be used for a long time during heat storage; moreover, heat conduction powder is added, so good heat conductivity is obtained, the phase-change material is allowed to realize effective heat exchange with the outside, the utilization rate of energy is increased, and energy conservation and environmental protection are benefited. Since the product employs spherical structure design, the product can be more easily put into a variety of heat storage tanks or heat exchange apparatuses, which is beneficial for wide popularization and application of the product.

The invention discloses a healthy comfortable energy-saving air conditioner which comprises a combined evaporator, a demisting chamber, a water and mist separating net, a water outlet, and a heat-exchange circulating device capable of providing heat exchange medium. A dehumidification heat conduction tube penetrates through lower portions of air inlet channels and air return channels, and the dehumidification heat conduction tube and an air outlet heat conduction tube are respectively connected to a heat-exchange circulation loop of the heat-exchange circulating device. A demisting chamber communicating inside air outlets and returned air inlets is arranged below the combined evaporator, the water and mist separating net for preventing direction communication of the inside air outlets and the returned air inlets is arranged inside the demisting chamber, and the water outlet is communicated with the demisting chamber. The temperature and the humidity of outlet air of the air conditioner can be controlled independently, an air-conditioning mode of 'mainly dehumidification and temperature reduction subsidiary' is realized, healthy and comfortable air with low humidity and suitable temperature is obtained, and environment-friendliness and energy conservation are realized. The invention further discloses an air treating method.

What is disclosed herein deals with low to medium pressure, high temperature, all ceramic, air-to-air, indirect heat exchangers, novel ball joints, high load-bearing ceramic tube sheets, and tube seal extenders for ceramic tubes that are useful in such heat exchangers. Also disclosed are new and novel systems used in new and novel industrial processes such as chemical processing, sludge destruction and the production of particulates such as, for example, carbon black. Systems utilizing several heat exchangers are also disclosed.

An apparatus for production of fiber-reinforced resin strand excelling in durability that is capable of producing a fiber-reinforced resin strand at high production speed without sliding problem. There is provided an apparatus for production of fiber-reinforced resin strand comprising spreader (8) for fibrillation of reinforcing fiber bundle (3) disposed in cross head (5) into which molten resin material (2) is continuously fed from extruder (6); comprising, disposed downstream of exit nozzle (5a) of the cross head (5), twisting rollers (11a,11b) for drawing out fiber-reinforced resin strand (9) composed of a resin impregnated fiber bundle from the exit nozzle (5a) and for strand twisting; and comprising, disposed downstream of the twisting rollers (11a,11b), twist retention rollers (12a,12b) for retaining of the twist of the fiber-reinforced resin strand (9), wherein all the twisting rollers (11a,11b) and twist retention rollers (12a,12b) without exception are made of a metal with uneven surface.

The invention provides a laterally-arranged heat pump clothes drying cabinet of a deep dehumidification device. The laterally-arranged heat pump clothes drying cabinet comprises a drying room and a refrigeration and dehumidification device. The refrigeration and dehumidification device is arranged on the side face of the drying room to form a high-position air suction and low-position air exhaust mode or a low-position air suction and high-position air exhaust mode. The drying room air inlet is provided with an air bag, and drying air flows into the drying room through through-holes formed in the air bag. The refrigeration and dehumidification device comprises a first condenser, a second condenser, a third condenser and an evaporator, wherein wet air is divided into two ways, one way of wet air flows through the first condenser and the second condenser to perform heating and temperature rise so as to obtain high-temperature drying air, the other way of wet air flows through the evaporator to perform temperature reduction and passes through the third condenser to perform heating and temperature rise so as to obtain high-temperature drying air, and two ways of drying air are input into the drying room after being mixed. By means of the refrigeration and dehumidification device, the problem that condensation pressure and condensation temperature of a traditional heat pump clothes drying machine at a speed-reduction drying phase are continuously improved, accordingly power consumption, pressure difference and compression ratio of a compressor are improved, energy efficiency ratio is reduced, the working condition is severely worsened, and even the compressor is burned down is solved.

The invention relates to a plasma torch device. The plasma torch device comprises a torch generator, and a medium management module and a high-voltage power module which are respectively connected to the torque generator, and a control module used for connecting and controlling the medium management module and the high-voltage power module, wherein the medium management module is connected to the torque generator and is used for supplying high-speed plasma medium flow for the torque generator; the high-voltage power module is connected to the torque generator and is used for supplying the voltage needed for ionizing the plasma medium flow; the control module is used for controlling the medium management module and the high-voltage power module according to preset or temporary received instructions so as to finally control the size of the plasma torch. The plasma torch device has the characteristics of high safety, non-toxicity, energy conservation, environment protection and low power consumption and cost, has a great developing space and is liable to widely popularize.

The invention relates to a middle beam with anti-condensation heat pipes. The middle beam is arranged in the middle of an upper opening of a freezer and comprises a middle beam body and the anti-condensation heat pipes arranged on the middle beam body. The anti-condensation heat pipes are arranged in the axial direction of the middle beam body and make contact with the middle beam body. The two ends of each anti-condensation heat pipe extend to a condenser of the freezer. The anti-condensation heat pipes make contact with a heat dissipation assembly of the condenser and conduct heat exchange. The anti-condensation heat pipes transmit heat produced by heat exchange between the anti-condensation heat pipes and the condenser to the middle beam body. The invention further provides the freezer comprising the middle beam with the anti-condensation heat pipes. The anti-condensation heat pipes are used for transmitting the heat produced by the condenser to the middle beam body, ice and dew on the middle beam body can be melted or evaporated, the problem that the middle beam of the freezer freezes and dews is solved, and user experience is improved. The middle beam with the anti-condensation heat pipes can reduce energy consumption and use cost and is convenient, fast and reliable to install.

The invention discloses a phase change heat storage device and heat exchange device. The phase change heat storage device and heat exchange device comprises a shell, a heat preservation layer, a liner, a heat exchange pipe device, phase change materials, foam metal, a sealing ring, a top cover and flanges; the space between the shell and the liner is filled with the heat preservation layer; the heat exchange pipe device comprises a long heat exchange pipe, a short heat exchange pipe, a leveling plate, a water inlet pipe and a water outlet pipe; the liner comprises a front plate, a rear plate,a side plate, a vertical beam, a cross beam, a bottom beam, a liner flange and an inclined support; the heat exchange pipe device is placed on the inclined support of the liner through the leveling plate in a hung mode; an inner cavity of the liner is fully filled with the phase change materials, and the foam metal is placed on the specific position; the top cover comprises a top cover shell plate, a top cover flange plate, a lifting lug and an exhaust pipe; an inner cavity of the top cover is filled with the heat preservation layer, and the inner cavity of the liner communicates with the atmospheric environment through the exhaust pipe; and the water inlet pipe and the water outlet pipe are connected with an external pipeline through flanges. According to the phase change heat storage device and heat exchange device, the phase change energy-storage and heat exchanger equipment is compact in structure, high in heat storage efficiency, high in heat exchange efficiency and uniform in temperature distribution at present.

A washing/drying machine performing the drying operation efficiently while shortening the drying time. The washing/ drying machine is provided with a tank (11) for storing used water, and the water in the tank (11) is circulated and used for dehumidifying the air circulating through a drying air duct (20). Since the water in the tank (11) is circulated, a large quantity of dehumidification water can be supplied with priority given to dehumidification efficiency. The quantity of water being circulated (the quantity of cooling water (dehumidification water)) is decreased relatively in the first half of the drying process, and increased relatively in the second half of the drying process. Consequently, drying efficiency is enhanced during the drying the operation and the drying operation time can be shortened.

The invention relates to the technical field of JP cabinets, in particular to an intelligent JP cabinet with dehumidification and heat dissipation functions. The intelligent JP cabinet comprises a cabinet body, wherein dehumidification and heat dissipation devices are installed on left and right side surfaces of the cabinet body, a heat absorption mechanism is installed inside each dehumidification and heat dissipation device, and heat dissipation grooves are formed in positions, corresponding to the heat absorption mechanisms, inside the cabinet body. By means of induced draft fans inside the heat absorption mechanisms, heat inside the cabinet body can be fully absorbed, moisture inside air flows can be effectively removed by means of heating resistance wires inside first dehumidification mechanisms, hot air flows can be subjected to heat exchange effectively by means of evaporators and condensers inside second dehumidification mechanisms, so that the moisture inside the cabinet body is condensed and the effect of reducing air flow temperature is achieved, the air flows after cooling are charged into the interior of the cabinet body, so as to achieve better heat dissipation effect, and the arrangement of deflector vanes inside air exhausting grooves can realize the omnidirectional absorption of hot air flows in the cabinet body and omnidirectional release of cold air flows in the cabinet body, thereby achieving better dehumidification and heat dissipation effects.

The invention discloses a computer embedded water-cooling heat dissipation main box, including a main box, a placement plate is horizontally arranged in the main box, the lower end of that main box isprovided with a cooling water tank, the main box body is provided with a water collecting chamber, an inlet pipe, a filter sleeve, a fixing plate, activated carbon and a permeable water pipe, the lower end of the permeable water pipe is provided with a connecting water pipe, the two sides of the main box body are provided with a water outlet pipe and a return pipe, the two sides of the main box body are provided with heat conduction columns, the periphery of the water outlet pipe and the return pipe is provided with a radiating fin, and a circulating pump is arranged on the back of the main box body. As the water collecting chamber, the filter sleeve, the fixing plate,the activated carbon and the permeable water pipe can filter the impurities in the water source, as the industrial waste water is used for repeatedly cooling the machine case, the utilization rate of materials is improved, the circulating pump is adopted to pass through the circulating water body, the heat exchange is carried out through the heat conduction column and the box body, the circulating heat dissipation is carried out through the radiating fins, and the vibration damping and stabilizing device is added atthe bottom, so that the stability is improved.

The invention discloses a high-pressure composite metal hydride hydrogen storage tank and a hydrogen storage method thereof. The hydrogen storage tank comprises a base support and a hydrogen storage tank shell with an opening in the bottom, and the hydrogen storage tank shell is installed on the base support in a sealed and buckled mode. A hydrogen inlet and a hydrogen outlet are formed in the hydrogen storage tank shell. A hydrogen storage alloy storage space, a gaseous hydrogen storage gap and a circulating heat exchange system are arranged in the hydrogen storage tank shell. The hydrogen storage alloy storage space is filled with hydrogen storage alloy, and the circulating heat exchange system is used for absorbing heat when the hydrogen storage alloy absorbs hydrogen and heating the hydrogen storage alloy when the hydrogen storage alloy releases hydrogen. According to the high-pressure composite metal hydride hydrogen storage tank and the hydrogen storage method thereof, a gas hydrogen storage gap is formed in the hydrogen storage tank, the size of a reserved gap can be adjusted according to the requirement of hydrogen storage mass density, hydrogen storage of different mass densities is achieved, the advantages of high mass density of high-pressure gas hydrogen storage and high volume density of solid hydrogen storage are fully combined, and the volume of the solid hydrogen storage part is adjusted, the purpose of storing more hydrogen under equal pressure is achieved.