36 results about "Air cooling" patented technology

The invention provides an online forecasting method of a continuously cast bloom real-time temperature field based on infrared thermal imaging, relating to monitoring and analysis of surface temperature of a billet. The invention provides an online checking method for determining heat transfer coefficients in a secondary cooling zone and an air cooling zone to check the heat transfer coefficientsin the secondary cooling zone and the air cooling zone in real time; compared with the prior art, the method improves precision of forecasting the real time temperature field through sectional checking method of heat transfer coefficients, more precisely forecasts temperature field on the surface and at the interior of the casting blank and precisely reflects the solidification process of the casting blank; therefore, the method provides necessary data support for the precise and effective implementation of the casting technology of secondary cooling dynamical water distribution, solidification end electromagnetic agitation and solidification end dynamic pressure, and the like.

The invention discloses a novel high-chromium ferritic heat resistant steel, composed of the following components by mass percent: 0.08-0.1% of C, less than or equal to 0.5% of Si, 0.3-0.6% of Mn, 8.5-9.0% of Cr, 0.3-0.6% of Mo, 1.5-2.0% of W, 0.20-0.25% of V, 0.02% of Cu, 0.07-0.09% of Nb, less than 0.005% of Ti, 0.004-0.005% of B and less than 0.005% of N, and the balance of Fe and impurities. The thermo-mechanical treatment process of the steel comprises the following steps of: heating at the rate of 5 DEG C/s until the temperature reaches 1100-1200 DEG C and preserving heat for 5-10 min; and then cooling at the rate of 5 DEG C/s until the temperature reaches 900-700 DEG C, preserving heat for 5-10 s, performing compressive deformation at the deformation rate of 1/s by the deformation quantity of 50-70%; preserving heat for 0-100 s after the completion of deformation, and then performing air cooling until the temperature reaches the room temperature. The thermal treatment process provided by the invention is capable of promoting the precipitation of the MX phase having excellent stability, thereby improving the high temperature performance of the steel. Compared with the traditional thermal treatment process, the thermo-mechanical treatment process is simplified in process flow so that the production cost is reduced and the overall performance is improved; and therefore, the thermo-mechanical treatment process can be applied to actual production.

A polyester fiber which has physical properties such as a double refraction delta n of up to 0.07, an elongation after fracture of at least 80%, and a specific weight of at least 1.35 g/cm<3> and is suitable for a draw-texturing raw yarn, and which is produced by cooling polyester filaments melt-spun from spinnerets to up to a glass transition temperature by a cooling air while filaments are being taken up by a take-up roller at at least 3000 m/min, and by heating them to above a glass transition temperature while they are being wound up from the take-up roller into a package by a winding device.

The invention relates to a high-carbon steel wire rod, in particular to a cord steel wire rod and a decarburized layer control method thereof. The chemical components of the cord steel wire rod comprise, by weight, 0.89%-0.94% of [C], 0.15%-0.25% of [Si], 0.25%-0.45% of [Mn], smaller than or equal to 0.015% of [P], smaller than or equal to 0.010% of [S], 0.20%-0.25% of [Cr], 0.0008%-0.0020% of [Al] and 0.0010%-0.0025% of total oxygen. The decarburized layer control method particularly comprises the following steps of 1 steel billet heating, specifically, the wire rod is produced by adopting square billets, the steel billet heating speed ranges from 0.93 min/mm to 1.0 min/mm, and the soaking zone temperature ranges from 1,050 DEG C to 1,090 DEG C; 2 wire rod rolling, specifically, after steel billet heating and rough rolling, intermediate rolling, pre-finish rolling and finish rolling are conducted, wire rod spinning operation is conducted, and the wire rod spinning temperature ranges from 880 DEG C to 900 DEG C; and 3 wire rod cooling, specifically, after spinning is conducted, the wire rod is cooled on an air cooling roll way, and the cooling speed ranges from 10 DEG C/s to 25 DEGC/s. The cord steel wire rod mainly contains the sorbite structure. The thickness of a decarburized layer on the surface of the wire rod is not larger than 40 micrometers, the condition that the steel wire strength is reduced due to the fact that the decarburized layer on the surface of the wire rod is inherited to the steel wire surface is prevented, and the steel wire strength and quality are improved.

The invention provides noodles with a blood glucose reducing efficacy and a preparation method of the noodles. The noodles are prepared from the following components in parts by weight: 40 to 70 parts of buckwheat powder, 30 to 60 parts of low-gluten flour, 5 to 10 parts of vital gluten, 1 to 5 parts of L-arabinose, 0.4 to 2 parts of cortex cinnamomi powder, 0.3 to 2 parts of mulberry leaves powder, and 0.05 to 1 part of nutritional yeast powder; and the noodles are prepared by virtue of powder mixing, dough kneading, forming, drying by cold air, drying by hot air and air cooling. The noodles can reduce the postprandial blood glucose of an eater, can meet the particular requirements of diabetes patients and people needing to control the blood glucose, and have a taste similar to that of the traditional noodles, the preparation method is simple, the dough kneading can be directly carried out without curing, and the noodles are formed by virtue of a traditional tabletting, slitting and extruding way, simple in processing, good in shape and suitable for the industrialized mass production.

The invention provides a heat dissipation measuring method for electromechanical equipment. The method comprises the following steps that: S1, a measurement device is established; S2, measurement data are acquired, measurement components are adopted to measure a mass flow rate m corresponding to each cooling medium flowing through a box body and measure the temperature T1 of a liquid inlet, the temperature T2 of a liquid outlet, the temperature T3 of a gas inlet, the temperature T4 of a gas outlet, the temperature T5 of the inner wall surface of the box body, the temperature T6 of the outer wall surface of the box body, the total area A of the inner wall of the box body and the wall thickness L of the box body; and S3, heat dissipation quantity calculation is carried out: a heat dissipation quantity Q is calculated. According to the heat dissipation measuring method for the electromechanical equipment of the invention, the heat dissipation quantity Q of electromechanical equipment under a working condition is measured; the measurement components are adopted to measure the temperature of the gas inlet, the gas outlet , the liquid inlet, the liquid outlet, the inner wall and outer wall of the box body, so that the heat dissipation quantity is calculated; and therefore, design reference is provided for the heat dissipation design of the electromechanical equipment, heat load and heat pollution in the operation process of the electromechanical equipment are reduced, and the energy consumption of air cooling or liquid cooling design is ensured.

The invention relates to wind supplying system for wind cooling engine noise detection. It is mainly made up of a fan, wind channel, temperature sensor, engine rotate speed adjustor and water quantity adjusting valve. The fan is assembled out of the noise chamber, the wind cooling engine is assembled on the center line of the wind channel outlet, and the inner wall of the noise chamber is arranged with sound absorption cut. In the wind channel there arranges with water pipe, water quantity adjustor and atomization nozzle. The temperature sensor is assembled on the surface of the wind cooled engine and its output end is connected to the temperature monitor. The realization of low noise wind supplying system is mainly through the water drop sprayed from the atomization nozzle to cool the surface of the wind cooled engine effectively, thus the wind quantity can be decreased, the invention can ensure the effective cool to the engine, and it can control the noise about 10 dB lower than the noise of engine.

The invention discloses a heat treatment process for a powder part, which is a process for performing high-frequency heat treatment on the powder part. The process comprises the following steps of: 1), preheating: preheating the powder part; 2) air cooling: naturally cooling the powder part for 0.1-1 second in the air; 3) heating: heating the powder part to 800-900 DEG C; 4) air cooling: naturally cooling the powder part for 0.1-2 seconds in the air; and 5) cooling: putting the powder part in quenching liquid to cool for 3-5 seconds. According to precious experience obtained from repeated experiments, the temperature difference inside and outside the powder part in the heating process is reduced through adding the steps of air cooling so as to reduce the possibility of occurrence of cracks, and the control temperature and the keeping time in each step are compared through repeated experiment, so that the optimal effect is achieved. The heat treatment process for the powder part is the improvement based on the conventional equipment and process, and the heat treatment process has the advantages of simplicity, easiness for operation, high pass percentage and the like.

The invention provides a diode rectification direct-current-based deicing device capable of deep pressure regulation. The diode rectification direct-current-based deicing device comprises a rectifier transformer (1), a deep pressure regulation mechanism (2), a diode rectifier (3), a forced air cooling system (4) and a deicing phase changing system (5). The input end of the rectifier transformer (1) is connected with the output end of the deep pressure regulation mechanism (2), the input end of the diode rectifier (3) is connected with the output end of the rectifier transformer (1) and the output end of the forced air cooling system (4) in parallel, and the output end of the diode rectifier (3) is connected with the input end of the deicing phase changing system (5). The diode rectification direct-current-based deicing device is low in loss, harmonic wave and cost, the pressure regulation range can be 14-100%, the deicing requirements of electric transmission lines of different types and different lengths can be met, a forced air cooling mode is used, the structure is simple, and maintenance is not needed.

A method of producing a forged steel part (200) is disclosed. The method includes providing a steel billet that can be selectively hardened to different hardness levels by varying the air cooling rate. The method also includes heating the steel billet to an austenization temperature of the steel billet. The method further includes hot forging the steel billet to form the steel part (200) including a first region (210) and a second region (220). The method yet further includes selectively cooling the hot forged steel part (200) by air cooling the first region (210) at a first cooling rate and air cooling the second region (220) at a second cooling rate that is less than the first cooling rate.

The invention provides a cooling device and semiconductor refrigeration equipment. The cooling device comprises a plurality of radiators. Each radiator comprises a heat conductor, a plurality of heat pipes, a cooling fin set and a fan, wherein the heat pipes are connected to the heat conductor, the cooling fin set is connected to the heat pipes, and the fan and the cooling fin set are arranged side by side. An auxiliary heat pipe is further connected to each heat conductor, and the auxiliary heat pipe in any radiator is further connected with at least one cooling fin set in the rest of the radiators. Heat at the heat ends of semiconductor refrigeration modules is absorbed by means of the heat conductors, the heat conductors can transmit the heat to the cooling fin sets with large cooling areas through the heat pipes for automatic cooling, and the requirement for powering on the fans all the time for air cooling is avoided; and in addition, the heat conductors can conduct cooling by utilizing the cooling fin sets in the multiple radiators at the same time, so that the multiple cooling fin sets are in the cooling state all the time, and accordingly the cooling capacity of the multiple cooling fin sets is brought into full play, the cooling capacity of the semiconductor refrigeration equipment is improved, and energy consumption of the semiconductor refrigeration equipment is reduced.

The invention discloses a frame-portable type variable frequency generator set. The frame-portable type variable frequency generator set comprises an electric appliance panel assembly, a generator assembly, an oil tank assembly, a set frame assembly and a frequency converter assembly, wherein the electric appliance panel assembly, the generator assembly, the oil tank assembly and the frequency converter assembly are all connected to the set frame assembly, the generator assembly and the frequency converter assembly are electrically connected with the electric appliance panel assembly, and theoil tank assembly is connected with a fuel pipe of the generator assembly. According to the frame-portable type variable frequency generator set, an engine is used as kinetic energy, and the frame-portable type variable frequency generator set and a novel digital generator are arranged at the original flywheel end of the engine to form a built-in novel generator set structure. An air suction heatdissipation system is arranged at the output end of the engine to carry out air cooling and heat dissipation on a frequency converter, the frequency converter is the computer of the set and controls an automatic speed regulation system of the engine, a power supply of an inverter digital generator and various automatic requirements, so that the set is lower in output noise, higher in power and higher in carrying capacity, and the power supply is output with various performance parameters being better.

The invention provides an oil storage air-cooled structure for a motorcycle engine. The bottom of a crankcase body for the motorcycle engine is provided with a sunken oil storage tank; the oil storage tank is molded integrally by depressing the bottom of the crankcase body or formed by arranging an oil sump detachably connected with the crankcase body; and the periphery wall of the oil storage tank is integrally provided with radiating fins. According to the technical scheme of the invention, the engine oil storage volume for the engine and the cooling effect are improved under the condition of not changing the performance of the engine and the internal space structure of the crankcase body.

The invention provides a cooling device, which comprises: a converter cooling loop, wherein a converter radiator is arranged on the converter cooling loop; a fuel cell cooling loop, wherein a fuel cell radiator is arranged on the fuel cell cooling loop; and an air cooling assembly, wherein the air cooling assembly can perform heat dissipation and cooling on the converter radiator and the fuel cell radiator, the converter cooling loop can perform heat dissipation on a converter, and the fuel cell cooling loop can perform heat dissipation on a fuel cell. The cooling device has the advantages of high heat exchange efficiency, light weight, low noise and capability of accurately controlling energy consumption.

The sigma-phase precipitation control method for the hot-corrosion-resistant nickel-based superalloy comprises the following steps: (1) preparing raw materials according to set components; (2) respectively carrying out surface treatment and preheating treatment; (3) putting part of the pretreated raw materials into a crucible, and heating to 1500-1570 DEG C under stirring and vacuum conditions; and sequentially adding other pretreated raw materials after melting. Alloy melt is obtained; (4) casting and cooling to obtain a casting; (5) after the temperature of the casting is raised to 1160-1180 DEG C, heat preservation is conducted, and air cooling is conducted; (6) the temperature is increased to 1030-1060 DEG C, then heat preservation is conducted, and air cooling is conducted; and (7) after the temperature is raised to 835-870 DEG C, heat preservation is conducted, air cooling is conducted, and sigma-phase precipitation control over the hot-corrosion-resistant nickel-based high-temperature alloy is completed. The control method disclosed by the invention solves the problem of low long-term performance of the alloy, such as short endurance life, caused by excessive needle-shaped sigma phases in the hot-corrosion-resistant nickel-based superalloy, effectively increases stable precipitation strengthening phases, reduces segregation of useful alloy elements, improves a microscopic structure and improves the strength of the alloy.

The invention discloses a device for cooling a heat release component and on a textile machine. The device comprises a main device body, the main device body comprises a motor, a fan, a water receiver, a cooling device, a water accumulation disc and a shell, and the motor is fixedly installed in the center of the fan; the fan is fixedly installed at the upper end of the main device body, the shellis fixedly installed on the exterior of the main device body, and the water receiver and the cooling device are fixedly installed in the main device body from top to bottom separately; the water receiver is located above the cooling device, the water accumulation disc is fixedly installed at the bottom of the main device body and located under the water receiver, the cooling device comprises a condenser pipe, an air inlet and an air outlet, and the air inlet is formed in the lower end of one side of the condenser pipe. According to the device, three modes including air cooling, water coolingand hydrogen cooling can be used for cooling at the same time, the cooling effect can be improved, lubricating oil does not need to be added during long work time, and the working complexity of workers is reduced.

The invention discloses a permanent-magnet direct-driving motor for a sawing machine. The permanent-magnet direct-driving motor comprises a front end cover, a shell, a stator assembly, a rotor assembly, a shaft, a rear end cover, a rear cover, a fan and a fan support, wherein the stator assembly is tightly arranged on an inner wall of the shell in a matching way, the rotor assembly is connected with an outer wall of the shaft via a key, the front end cover is fixedly connected with a front end of the shell, the rear end cover is fixedly connected with a rear end surface of the shell, the rearcover is connected with a rear end surface of the rear end cover, four cooling devices are uniformly arranged at circumference of an outer wall of the shell, each cooling device comprises cooling fingroups, the cooling fin groups are symmetrically arranged along a circumference bisectrix h, and included angles Alpha between the cooling fin groups and a horizontal direction are 45 degrees, the heights of outer ends of cooling fins of the same cooling fin groups are equal, an included angle Beta between each cooling fin and the horizontal direction is 45 degrees, the fan support is fixedly arranged on the rear end cover, and the fan is connected with the fan support. Air-cooling heat dissipation is employed, and the permanent-magnet direct-driving motor is low in cost, good in cooling effect, novel in structure and reliable in matching.

The invention belongs to the field of refrigeration equipment, and particularly relates to a waterproof device for a motor and an air cooling fan impeller of a blowing type horizontal air cooler. The waterproof device for the motor and the air cooling fan impeller of the blowing type horizontal air cooler comprises two baffle plates, wherein the baffle plates are checkered steel plates which are 0.5mm thick, and are fixedly arranged on a beam of the air cooler through U-shaped clamps and fixing bolts. Compared with the prior art, the waterproof device has the advantages that the waterproof device is simple in structure and convenient to operate; the motor and the air cooling fan impeller of the air cooler are additionally provided with the baffle plates, so that the problem of accidents caused by the water inflow of the motor and the air cooling fan impeller of the air cooler is solved.

The invention discloses a high-protection-performance electric power cabinet capable of stably classifying internal circuits and used for electric power. The high-protection-performance electric power cabinet comprises: a cabinet body, wherein the cabinet body is a main shell structure of the electric power cabinet, the outer surface of the cabinet body is provided with a support plate, and the outer surface of the support plate is connected with heat dissipation fins; a top cover, which is located at the top end of the cabinet body, wherein a wheel shaft is connected to the interior of the top cover, and an ion spray point is arranged at the top end of the wheel shaft; and a fixing frame, which is located at the bottom end of the top cover, wherein an activated carbon filter screen is arranged on the outer surface of the fixing frame, and air cylinders are arranged at the left end and the right end of the fixing frame. According to the high-protection-performance electric power cabinet capable of stably classifying the internal circuits, cables are cooled in an air cooling mode, so faults of the cables caused by high temperature influence are reduced; and the top cover and the fixing frame form a lifting structure, rainwater can be prevented from entering a ventilation pipeline of the electric power cabinet in rainy and snowy days, and wind energy can be continuously utilized to cool the interior of the cabinet, so the overall practicability of the electric power cabinet is improved.

The invention relates to a steam turbine condenser. According to the technical scheme, an air cooling area arrangement method of a large-length-diameter-ratio lateral steam admission condenser comprises the steps that (1) part areas, close to pipe plates at the two ends, of part of or all heat exchange pipes are surrounded by baffles to form two air cooling areas, and the air cooling areas are located on the side away from a steam inlet of the condenser; each air cooling area is provided with an extraction opening which is used for extracting a gas-steam mixture in the condenser outwards; (2) a distance is kept between one side edge of each baffle and the inner wall of a circumferential shell of the condenser, so that an inlet for the gas-steam mixture to enter each air cooling area is formed; the other side edges of each baffle are in sealed connection with the inner wall of the condenser and middle partition plates respectively; and (3) a distance is kept between the periphery of each middle partition plate and the inner wall of the circumferential shell of the condenser and serves as a channel for the gas-steam mixture to flow to each air cooling area. The lateral steam admission condenser manufactured according to the method has the characteristics of being high in heat exchange efficiency, low in energy consumption, simple in structure and low in manufacturing cost.

The invention discloses a CPU radiating device for a 1U sever and belongs to the technical field of CPU radiating for servers. The CPU radiating device comprises a fan, a CPU radiator, a miniature hydraulic motor, an air-cooling radiator and connecting pipelines, wherein the fan is mounted on one side of the CPU radiator, each of the CPU radiator and the air-cooling radiator is provided with a built-in pipeline, the CPU radiator, the miniature hydraulic motor and the air-cooling radiator are communicated through the connecting pipeline, and a heat-conduction liquid is arranged in the connecting pipeline. The CPU radiating device has the advantages that the temperature of a CPU can be controlled to be in a certain range while energy waste is avoided, the problem that a common radiator cannot satisfy the radiating requirements of the high-power CPU on a server especially the 1U server is solved, radiating efficiency is increased, and server operation reliability and stability are increased.

The invention relates to the technical field of cooling for refractory material production, and discloses an environment-friendly and energy-saving cooling device for refractory material production. The environment-friendly and energy-saving cooling device comprises a machine body, an air cooling mechanism and an air drying mechanism, the air cooling mechanism is arranged in the machine body, andthe air drying mechanism is arranged at the right end of the machine body. According to the environment-friendly and energy-saving cooling device for refractory material production, refractory materials are conveyed through a conveying belt, a water pump is started to pump water in a water storage tank in the machine body, the refractory materials are sprayed through spray heads, and first-time pre-cooling is conducted; a fan in a first device box is started to carry out second-time pre-cooling on the refractory materials sprayed with water, the surface temperature of the refractory materialsis reduced, and finally, the refractory materials are conveyed to fall into a cold leaching frame in a cooling water tank to be subjected to water-cooling leaching; and due to two-time pre-cooling, the temperature is greatly reduced, the cracking phenomenon caused by direct immersion cooling of the refractory materials is avoided, and the finished product quality of the refractory materials is improved.