33results about How to "Change cooling rate" patented technology

Provided are a cooling method and a cooling device for adjusting the volume of cooling water in two levels for each set of width direction headers when cooling a hot-rolled steel strip and for changing the steel strip cooling velocity in multiple levels using a simple method, the method and device being particularly effective for cooling the lower surface of a steel strip in a narrow space. Spray nozzles (5) are disposed in a row at a specified pitch in the width direction of the steel strip. In order that cooling water can be supplied from different piping systems for spray nozzles (5) that are adjacent in the width direction, the cooling headers (6) are configured so that: two systems are disposed per one set; a jetting valve (7) is installed on each; and individual cooling water jetting / stopping is possible.

The invention discloses a preparation method for noble / noble composite wire materials, and noble / cheap composite wire materials, wherein the preparation method is simple to operate, and the composite wire materials are controllable in thickness of a composite layer, clean in limiting surface, good in limiting surface bonding and easy to process subsequently. The preparation process includes that an outer layer of metal is machined to a round pipe by ingot casting, extruding and drawing, and wall thickness is designed according to demand of product design. The noble metal round pipe is placed in a water-cooling mold, core material metal is placed in a vacuum induction melting furnace to be melted, core material molten metal is poured into the water-cooling mode to be fast set, the water-cooling mold is adjusted, and cooling speed of the core material molten metal is changed so as to produce a composite bar of clad materials and a core material binding layer (a transition layer). The composite bar is machined through rotary swaging, and is carried out with heat treatment and wire drawing in the middle process to meet product size requirements of customers. The composite wire materials are wrapped evenly by outer layer metal, and the wrapping layer and the core materials are good in cooperated transformation. The wrapping materials and the core materials are closely combined. The wrapping materials can be used for advanced packing of an integrated circuit and the like, and part of wrapping materials or all wrapping materials can replace the noble metallic bond composite wire materials.

The present invention belongs to the field of heat treatment of metal material. Gas and water fog is led into a container with forced stirring blower and heat exchanger for heat exchange with the hot workpiece, and the heat the gas and water fog absorb from the workpiece is taken away by the forced stirring blower and the heat exchanger to reach the aim of quickly cooling the quenched workpiece. The combination of gas and water fog can raise the heat exchange coefficient between the medium and the workpiece obviously and cooling capacity and the cooling capacity may be adjusted in certain range.

The invention discloses a refrigeration device suitable for electrical cabinets under high-temperature conditions, which relates to the technical field of refrigeration, and includes a water supply mechanism, a diffuser mechanism, a cooling mechanism, and an air supply mechanism installed in the electrical cabinet, and the diffuser mechanism makes the airflow flow, The cooling mechanism includes a number of water guide plates arranged in the refrigeration box, two adjacent water guide plates are arranged alternately and every two water guide plates are rotatably connected by cooling connecting rods, and one end of the lowermost water guide plate is set There are counterweights to guide the flow of water, and the air supply mechanism realizes multi-angle air supply. The invention uses underground cold water, controls the contact area between air flow and cold water flow, and adjusts the wind direction and speed to cool down the electrical cabinet. It is energy-saving and environmentally friendly, and has a good cooling effect. , high cooling efficiency.

The invention discloses a medical speed-regulating cooling device. The medical speed-regulating cooling device comprises an upper shell, a lower shell, a temperature adjusting device, a temperature-moisture probe, a temperature-moisture display panel and a made-to-order energy-storing material, wherein a first shell sealing cavity, a first refrigerating pipe cavity, a first made-to-order energy storing material cavity and a second made-to-order energy storing cavity are formed inside the upper shell; the lower shell is connected with the upper shell through a metal rod; a plurality of second refrigerating pipe cavities, second shell sealing cavities and third made-to-order energy storing materials are arranged inside the lower shell; the second refrigerating pipe cavities are used for holding refrigerating pipes; phase-change materials are also placed in the second refrigerating pipe cavities; the temperature adjusting device comprises four made-to-order energy storing rods; the moisture-temperature probe is arranged on an outer side of one of the second refrigerating pipe cavities, and is used for collecting temperature information through a temperature probe and collecting moisture information through a moisture probe; the temperature-moisture display panel is arranged on a front surface of the upper shell, and is used for displaying the moisture information and the temperature information; the made-to-order energy storing material comprises a first made-to-order energy storing material, a second made-to-order energy storing material and a third made-to-order energy storing material, and is used for changing the cooling rate.

The invention discloses an improved gravity assisted heat pipe radiator used for a high-power LED, which comprises an improved gravity assisted heat pipe and radiating fins, and is characterized in that the improved gravity assisted heat pipe consists of a flat-plate-shaped evaporation section and a cylindrical condensation section, wherein the evaporation section is directly connected with an LED circuit baseplate; the condensation section is connected with the radiating fins; a heat conduction column is arranged on the inner wall of the lower end of the evaporation section; a reflux tank channel is axially arranged on the inner wall of the condensation section; the interior of the heat pipe is vaccumized and is filled with a heat-conducting medium; and the inner wall of the heat pipe is sandblasted for heat transfer enhancement. The improved gravity assisted heat pipe radiator used for the high-power LED transmits the heat to the radiating fins rapidly by the circulating convection with the participation of gravity, and has the benefits of flexibility, convenience, simplification, low cost, high start speed, capability of accelerating the radiating rate with the temperature rising of the high-power LED, and the like.

The invention discloses anti-carburizing paint special for finish machining parts. The anti-carburizing paint is formed by mixing and grinding the components which include, by mass, 15%-30% of an anti-carburizing agent, 10%-20% of titanium dioxide, 20%-30% of aluminum dihydrogen phosphate, 3%-5% of ethyl alcohol, 3%-5% of tetrasodium ethylenediamine tetraacetate, 3%-5% of sodium carboxymethylcellulose, 1%-5% of triethanolamine, 0.5%-1% of a polyether modified silicone defoamer, 0.5%-3% of nonylphenol polyoxyethylene ether, 0.5%-1% of ferrous sulfate and the balance deionized water. The anti-carburizing agent refers to a mixture of boric anhydride powder and cuprous oxide powder with the mass ratio being 3-8:1. According to the anti-carburizing paint disclosed by the invention, the particle diameters are small, and thus good wettability and mobility are achieved; the anti-carburizing paint can be attached to the small parts like threads and inner holes more easily to form a closed protective layer, and the protective layer can be evenly covered on the portion to be anti-carburized and is low in porosity, good in closure and excellent in anti-carburizing effect; and moreover, the anti-carburizing paint can be removed by means of washing after heat treatment.

The invention relates to an electric cable for a wind turbine (1), and the cable is characterized in that the cable (8) comprises at least one cooling element (109 to cool the electric cable (8), wherein the cooling element (10) protrudes from the surface of the electric cable (8) .

The invention discloses a novel medical speed regulation and temperature reduction device with a communication function. The medical speed regulation and temperature reduction device comprises an upper casing, a lower casing, a temperature regulating device, temperature and humidity probes, a temperature and humidity display panel, a WIFI (Wireless Fidelity) generator and a purpose made energy storage material, wherein a first casing sealing cavity, a first frozen storage pipe cavity, a first purpose made energy storage material cavity and a second purpose made energy storage material cavity are arranged inside the upper casing; the lower casing is connected with the upper casing through a metal rod; a plurality of second frozen storage pipe cavities, a second casing sealing cavity and a third purpose made energy storage material cavity are arranged inside the lower casing; the second frozen storage pipe cavities are used for storing frozen storage pipes; phase change materials are also stored in the second frozen storage pipe cavities; the temperature regulating device comprises four purpose made energy storage rods; the temperature and humidity probes are arranged at the outer side of one of the second frozen storage cavities; the temperature information is collected through the temperature probe; the humidity information is collected through a humidity probe; the temperature and humidity display panel is arranged on the front surface of the upper casing and is used for displaying the humidity information and the temperature information; the WIFI generator is used for sending temperature information; the purpose made energy storage material comprises a first purpose made energy storage material, a second purpose made energy storage material and a third purpose made energy storage material and is used for changing the temperature reduction speed.

A power battery box cooling structure and a control method thereof relate to the battery box cooling technology, in order to solve the problems of structural deformation and low cooling efficiency that may occur after the existing rigid pipeline runs for a long time. The structure is that a flexible water jacket is provided between adjacent battery modules, and an external water channel is used to communicate between the outside of the battery box and the two small water storage tanks to form a circulating water channel, which is sequentially arranged on the external water channel along the direction of water flow. Cooling tanks, heat exchangers and pumps. This method is to collect the actual temperature T(t) of the battery module, calculate T(t) and the target temperature T 1 The difference e(t), the digital PID controller calculates the output voltage u(t), determines the PWM waveform U(t) of the input voltage of the water pump motor, the water pump motor outputs the corresponding speed n(t) according to U(t), and the water pump output The corresponding pressure F(n). The invention is suitable for cooling batteries.