49results about How to "Adjust cooling speed" patented technology

The present invention relates to a refrigerator door and a refrigerator, comprising a first door body, characterized in that an inwardly concave cavity and a second door body closing the cavity are arranged on the first door body. By arranging a second door body as a smaller door in the middle of the refrigerator door, and setting an accommodating space on the door body of the smaller refrigerator door, the accommodating space and the above-mentioned chamber can accommodate food that needs to be frequently taken out and put in , for example, milk or cold drinks, etc., which reduces the leakage of cold air caused by the refrigerator door being fully opened, thereby achieving the effect of energy saving and environmental protection.

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 relates to preparing and painting methods of a coating of a metal mould casting and rising system. The preparing method comprises the following steps: mixing anhydrous zinc oxide, sodium silicate and anhydrous asbestos powder, after stirring to be uniform, pouring into deionized water with temperature of 65-75 DEG C, and stirring until being completely uniform while pouring. The painting method comprises the following steps: pouring a prepared coating; preheating a mould subjected to sand blasting; painting the mould casting and rising system by using the coating, with thickness of 0.3-0.5 mm; controlling the thickness of the coating of a riser to be 1-3 mm; preheating and fixing, charging the painted metal mould into an insulation furnace for being baked, preheating until the work temperature of the mould is 350-420 DEG C, and keeping for 1-2 hours. According to the coating prepared by adopting the preparing method and the painting method, the casting defects of insufficient casting, cold shut and the like in a production process of the metal mould can be effectively solved. The preparing method and the painting method play a role of well protecting the metal mould, and further ensure that the mould is stable in size and quality.

The invention belongs to the field of building materials, in particular to a method for manufacturing blue brick tiles. According to the invention, dried brick tiles are loaded onto a kiln car and transported into a tunnel kiln for preheating and baking; the kiln car is pulled out and transported to a scattered material placing zone; a kiln car shield is placed onto the kiln car; a scattered material placing opening is formed in the upper part of the kiln car shield; the scattered material is placed inside the kiln car shield through the scattered material placing opening, and covers the periphery of the brick tile blanks; a gas pressurizing nozzle is arranged below the kiln car shield and is used for ejecting non oxidizing gas into the kiln car shield so that the gaps among the brick tile blanks are filled with scattered materials; when coverage using the scattered materials is complete, the kiln car is pulled to a cooling zone, the scattered materials are separated from the brick tile blanks, and the blue brick tile products in caesious appearances are obtained. The scattered materials adopted by the invention is used as a cooling medium, water spraying into the kiln chamber for cooling is not required, the cooling rate and cooling uniformity can be controlled, damage caused by water to the brick tile blanks and the kiln is prevented, and the quality of the blue brick products is improved.

The present invention relates to an apparatus and method for manufacturing a fine porous film to be used as a separation film of a secondary battery. The apparatus for manufacturing the fine porous film of the present invention comprises: a T-shaped die (20) for forming a precursor film by extruding a melted resin generated by melting a partially crystalline resin through the front end of a nozzle; a guide roller (50) arranged at a downstream side of the extrusion direction of the T-shaped die (20) so as to move and guide the precursor film (F1) at a predetermined draft ratio; a precursor film cooling means (40) for providing, in the moving direction of the precursor film, a flow of cooling air over either or both of the front and back surfaces of the precursor film so as to cool the precursor film; and a film elongation means for applying a tensile force, in an axial direction or in biaxial directions, to the cooled film while same is passing through the precursor film cooling means (40).

The invention discloses a lipstick tube extrusion cooling device, which comprises an atomization device, an air drying device and a discharging device, wherein the atomization device is arranged on the outlet end of an extruder; the air drying device and the discharging device are arranged on the lower end of the atomization device; the outlet end of the extruder is aslant provided with a discharging plate; the atomization device comprises a longitudinal conveying belt, a supporting seat and a top plate, wherein the longitudinal conveying belt is arranged on the bottom of the discharging plate; the supporting seat supports the longitudinal conveying belt; the top plate is arranged on the upper end of the longitudinal conveying belt; the top plate and a supporting plate are enclosed to forman atomization chamber; the outer side of the top of the top plate is provided with a water tank; the inner side of the top of the top plate is provided with atomization shower nozzles communicated with the water tank; the air drying device comprises a lateral conveying belt arranged on the lower part of the discharging end of the longitudinal conveying belt, and supporting legs used for supporting the lateral conveying belt; the outlet end of the lateral conveying belt is provided with the discharging device. The lipstick tube extrusion cooling device has the advantage of simple structure, an instantaneous cooling effect is realized, and the problem of low cooling efficient of a traditional cooling device is solved.

The invention discloses a computer for information system integration convenient for heat dissipation. The computer comprises a shell body, wherein the inner wall of the shell body is rotationally connected with an oscillating deck, one end of the oscillating deck is movably connected with an eccentric wheel connecting rod mechanism fixed on the inner wall of the shell body, the side face of the oscillating deck is provided with a sleeve, one side wall of the shell body is provided with an air inlet, the outer side of the air inlet is provided with a negative pressure blower connected to the outer wall of the shell body, the air inlet is internally provided with a wind collection plate, the side face, located in the shell body, of the wind collection plate is connected with a first flexible pipe, the top face of the shell body is provided with a mounting plate, the top face of the mounting plate is connected with a heat dissipation plate, a cooling liquid tank, a water pump and a controller, and a cooling pipeline is embedded in the top face of the heat dissipation plate. The computer for the information system integration convenient for heat dissipation has the advantages that thestructure is reasonable, the installation is convenient, a cooling mode can be automatically switched, the cooling speed can be automatically adjusted, dead angles of the heat dissipation are avoided, and the heat dissipation efficiency is high.

A reflow soldering machine belongs to the technical field of the reflow soldering machine. The reflow soldering machine comprises a conveying rail, an air-cooling device which is arranged below the conveying rail and a water-cooling mechanism which is connected with the air-cooling device. The air-cooling device comprises an air bellow, a plurality of fans, an air inlet port and air outlet ports. The plurality of fans are arranged at the air outlet ports and a flow adjusting device is arranged at the air inlet port. The water-cooling mechanism comprises a water storage tank, a plurality of cooling pipes, a return pipe and a return pump. The water storage tank is arranged on one side of the reflow soldering machine and provided with a water inlet port and a water outlet port. A heat dissipating device is arranged at the water inlet port. The plurality of cooling pipes are arranged in the air bellow. One end of each cooling pipe is connected with the water outlet port and the other end of each cooling pipe is connected with the return pipe. The return pipe is connected with the cooling pipes and the water inlet port. The heat dissipating device comprises a heat dissipating groove, a rotary shaft which is arranged at the groove opening of the heat dissipating groove and a plurality of heat dissipating sheets which are arranged at the rotary shaft. Heat dissipating strips are arranged on both two side surfaces of each heat dissipating sheet. The water storage tank is further provided with an ice-cooling device. The machine is capable of adapting to the environment temperature and ensuring a suitable cooling speed after PCB welding, so that the welding quality can be guaranteed.

The invention discloses a lipstick tube extrusion cooling device, which comprises an atomization device, an air drying device and a discharging device, wherein the atomization device is arranged on the outlet end of an extruder; the air drying device and the discharging device are arranged on the lower end of the atomization device; the outlet end of the extruder is aslant provided with a discharging plate; the atomization device comprises a longitudinal conveying belt, a supporting seat and a top plate, wherein the longitudinal conveying belt is arranged on the bottom of the discharging plate; the supporting seat supports the longitudinal conveying belt; the top plate is arranged on the upper end of the longitudinal conveying belt; the top plate and a supporting plate are enclosed to forman atomization chamber; the outer side of the top of the top plate is provided with a water tank; the inner side of the top of the top plate is provided with atomization shower nozzles communicated with the water tank; the air drying device comprises a lateral conveying belt arranged on the lower part of the discharging end of the longitudinal conveying belt, and supporting legs used for supporting the lateral conveying belt; the outlet end of the lateral conveying belt is provided with the discharging device. The lipstick tube extrusion cooling device has the advantage of simple structure, an instantaneous cooling effect is realized, and the problem of low cooling efficient of a traditional cooling device is solved.

The invention relates to a steel pipe cooling method, which belongs to the field of steel pipe heat treatment. The technical problem solved by the invention is to provide the steel pipe cooling method which can satisfy the demand for cooling medium and thick-wall steel pipes. The steel pipe cooling method comprises the following steps of placing a steel pipe to be parallel to the liquid level of a liquid cooling medium, dipping part of the steel pipe in the liquid cooling medium, rotating the steel pipe and cooling the steel pipe. The method has the advantages of simple process, simple equipment, low cost and broad application prospects.

The invention discloses a buried liquid quenching and spraying device. The device comprises an outer groove for accommodating quenching mediums, a lifting platform for bearing parts, and a lifting device for driving the lifting platform to lift. The buried liquid quenching and spraying device suitable for parts with inner holes further comprises an inner spraying device for spraying the inner holes of the parts, an outer spraying device for spraying the outer side surfaces of the parts, a first circulating device for extracting the quenching mediums in the outer groove to spray by the inner spraying device, and a second circulating device for extracting the quenching mediums in the outer groove to spray by the outer spraying device. The buried liquid quenching and spraying device effectively guarantees the internal and external hardness of the parts, and controls the consistency of different batches of parts.

The invention belongs to the technical field of preparation of hammer heads widely used in the fields of crushing, pulverizing and the like, in particular to a combined hammer head and a manufacturing process thereof. The combined hammer head comprises a framework and a hammer block, wherein the framework is arranged in the hammer block, and is adjacent to the front end of the hammer block; the framework is a high-chromium iron framework and comprises a frame; the frame is in a circular arc shape and is provided with conical rods; the conical rods are distributed on the circular-arc bottom surface of the frame at equal intervals; and the hammer block is a low-carbon multivariant low alloy steel hammer block. The invention is characterized in that the framework is arranged in the hammer block and is obtained by carrying out integral casting on hypereutectic high-chromium iron; the framework and the hammer block are subject to composite casting; the hammer block adopts low-carbon multivariant low alloy steel, and has higher strength and favorable impact toughness; the abrasion resistant framework has excellent abrasive resistance; and the invention gives full play to the advantages of the two materials, thereby obviously prolonging the service life of the hammer head of a crusher and reducing the equipment maintenance rate; and the process is simple, the production efficiency ishigh, and the economic benefits are considerable.

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 relates to mechanical equipment in the field of metal heat treatment, in particular to an air blast quenching machine for rollers. The air blast quenching machine comprises an air spraying device, two heating devices, an air extracting device and a rotation device, wherein the air spraying device, the heating devices and the rotation device are all mounted and fixedly connected to a horizontal surface on a concrete poured foundation base; the air extracting device is mounted and fixedly connected into a groove in the foundation base; the heating devices are arranged on two sides of the rotation device symmetrically; and a workpiece roller is arranged on the rotation device. The air blast quenching machine adopts four-carrier roller synchronous constant-speed mobile rotation, so that the heating uniformity and the quenching quality are improved; due to combined function of the air spraying device and the air extracting device, the cooling speed can be accelerated, and the work environment can be improved; and as both the air spraying device and the heating devices are arranged on and connected with a link mechanism, mobile starting and stopping can be realized, and spray head distances can be adjusted fast.

The invention discloses a water circulation device for a plastic extruder stock mould and belongs to the field of plastic processing machines. The water circulating device is arranged between a forming mould connected with an extruding cylinder and the stock mould, wherein the shape of the section of the water circulation device is the same as that of the forming mould and the shape of the stock mould, and a hollow shell of an inner cavity of the water circulation device is provided with a water input and output opening. Water circulation is formed in the inner cavity of the water circulation device through a water input and output pipe. The water circulation device weakens intensity of transmitting heat from the forming mould to the stock mould, the heat is taken away by means of water circulation, cooling speed of the stock mould and plastic profiles is increased, and the stock mould is controlled to reach ideal cooling speed, so that product quality is ensured.

The invention relates to an alarm device, in particular to a textile conveying cooling alarm device. The textile conveying cooling alarm device has an alarm function, can cool conveyed textiles and automatically stops conveying when the temperature of the textiles is too high. The textile conveying cooling alarm device is characterized by comprising a support, a conveying assembly and a cooling mechanism; the conveying assembly is installed on the support and conveys the textiles in a rotating mode; and the cooling mechanism is mounted on the support and is used for cooling in an air blowing manner. Through the characteristics of inert gas, the textile cooling speed can be automatically adjusted, and the equipment is very convenient to use; through a sound reminding mechanism and a visual reminding mechanism, sound and light are matched for reminding, and higher safety can be achieved; and when the temperature of the textile is too high, a second gear and a first gear are disconnected, the equipment can automatically stop working, and the conveyed textile can be better protected.

The invention discloses a spraying material for a metal mold and a spraying process thereof, belonging to the technical field of metal mold casting. Raw materials of the spraying material comprise zinc oxide, water glass and deionized water. The spraying process comprises the steps of preparing a coating, cooling a mold, spraying and preheating and fixing. As zinc oxide, water glass and deionized water are used as the metal mold coating and a unique design of the spraying process is adopted, thermal shock to the metal mold caused by molten metal can be lightened in the casting process, direct scouring to a casting mold surface caused by liquid metal is isolated, and a casting is prevented from adhering the mold; when the casting is taken out, frictional damage of the casting to the metal mold and a mold core can be reduced and the casting is easily taken out of the mold; the cooling speed of all parts of the casting in the metal mold can be adjusted and the solidification-feeding sequence of the casting is controlled so that a thin-walled casting is obtained and meanwhile, air storage, exhaust and heat preservation effects of the metal mold can be improved.