Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

477 results about "Cooling temperature" patented technology

Cooling Food. Cooling time starts at 135°F. Food may be left at room temperature until it drops to 135°F. Cool from 135°F to 70°F in 2 hours, then from 70°F to 41°F in 4 hours. If the temperature is more than 70°F in 2 hours, reheat to 165°F and start over. . Reheating can only be done.

Roller cooling temperature control method and system

The invention relates to the technical field of roller cooling, and discloses a roller cooling temperature control method and system.The method comprises the steps that the length of a roller is obtained, and the roller is equally divided into N temperature monitoring areas according to the length of the roller; n pieces of detection temperature value data are obtained and preprocessed; inputting the detected temperature value data into a pre-trained state model for comparison, and obtaining a temperature prediction value; the optimal cooling water flow is calculated according to the temperature prediction value through an MPC controller; acquiring historical data of the roller, and inputting the historical data into the auto-encoder for reconstruction; inputting detection temperature value data collected in real time into the auto-encoder, and calculating a reconstruction error value; and determining a current cooling water flow control state based on the reconstruction error value, and compensating the cooling water flow to the MPC controller. The roller cooling efficiency is improved.
Owner:CHANGZHOU WANQIANG MACHINERY CO LTD

Single-phase immersed liquid cooling temperature stratification evaluation and disturbance liquid injection balance control system

The invention discloses a single-phase immersed liquid cooling temperature stratification evaluation and disturbance liquid injection balance control system, and relates to the technical field of liquid cooling circulation structures. The single-phase immersed liquid cooling temperature stratification evaluation and disturbance liquid injection balance control system comprises a backflow liquid multi-point liquid inlet dynamic monitoring module used for collecting liquid cooling branch state data; the immersion liquid temperature layering monitoring module is used for evaluating the non-uniform degree of heat distribution and adjusting a disturbance liquid injection strategy; the liquid flow distribution equilibrium evaluation module is used for analyzing the matching degree of liquid flow distribution and heat dissipation and optimizing a flow direction coverage strategy; the cooling path dynamic judgment and switching module is used for evaluating the cooling state and the thermal load change and regulating and controlling the circulation path; and the immersed liquid cooling cabinet local disturbance self-balancing regulation and control module is used for guiding local convection and adjusting the disturbance direction. The problem that heat dissipation efficiency of a chip is affected by local heat accumulation in the immersed liquid cooling cabinet due to serious cold and hot lamination after backflow of a cooling liquid branch is solved.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Control method and system for medical plastic pipe stretching and reducing equipment

The invention relates to the technical field of automatic control, in particular to a medical plastic tube stretching reducing equipment control method and system, and the method comprises the following steps: obtaining a heating temperature change trend by using infrared temperature measurement equipment, adjusting heating parameters, adjusting clamping parameters based on compression and rebound deformation quantities, and adjusting the clamping parameters based on the clamping parameters. The thickness uniformity is evaluated, the stretching rate control parameters are adjusted, the cooling temperature difference trend on the two sides is combined, air nozzle and fan adjustment is linked, and a cooling air field adjustment record is obtained. According to the method, the heating abnormal response state is judged in combination with the temperature change rate, heating output parameters are adjusted through the slope trend in the continuous time period, the clamping stability is monitored based on the instantaneous compression and springback difference after the clamp makes contact, the thickness is inversely solved through the multi-channel light intensity, and thickness residual data are established in combination with the difference in all directions in the section. A periodic thickness error change trend is called to identify tensile stability deviation, and a cooling wind direction structure is regulated and controlled by combining the temperature difference change direction of the two sides of the guide pipe cooling stage.
Owner:ZHEJIANG DAISHENGSI MEDICAL TECH CO LTD

Condensation pump type dilution refrigerator with booster pump

The condensation pump type dilution refrigerating machine with the booster pump comprises the pre-cooling module and the dilution module, the pre-cooling module provides the required pre-cooling temperature for the dilution module, the dilution module uses the booster pump working at 1K, 3He circulation is achieved through cooperation of the booster pump and the condensation pump, no room-temperature circulation system is arranged, and therefore the dilution effect is good. And the defects of high heat loss and high compression power consumption in a room temperature circulation mode are overcome. Meanwhile, due to the fact that the booster pump is used, the system can obtain larger circulating flow so as to achieve larger cooling capacity, and the defect that a condensation pump type dilution refrigerator obtains large refrigerating power is overcome.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Dilution refrigerating system not limited by gravity

The invention provides a dilution refrigeration system not limited by gravity, and relates to the field of extremely-low-temperature dilution refrigeration. The dilution refrigeration system not limited by gravity comprises a first-stage pre-cooling device, a second-stage pre-cooling device, a capillary type dilution refrigeration device, a liquid pool circulating device, a dilution recovery device and a dilution air inlet device, wherein the first-stage pre-cooling device comprises a vacuum cover, a GM pulse tube refrigerator, a 40K-stage heat exchanger, a 40K-stage cold shield, a transition heat exchanger and a 4K-stage heat exchanger. Compared with a conventional dilution refrigeration system, the dilution refrigeration system not limited by gravity has the advantages that due to the fact that the multistage capillary tube heat exchanger is adopted, surface tension can be used for replacing gravity to fix a concentrated phase interface and a dilute phase interface, and refrigeration temperature is directly transmitted to a hot end component in a capillary tube winding mode and the like; the interference of a zero-gravity or anti-gravity environment on the conventional dilution refrigeration process is avoided from the source, the influence of the vibration of the refrigeration unit on the hot end is favorably reduced, and part of high-precision application occasions with strict requirements on free installation and vibration interference is met.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Automatic control system and method for vacuum bag film production

The invention provides an automatic control system and method for vacuum bag film production, relates to the field of intelligent control, and adopts a data processing and coding technology based on deep learning to carry out local time sequence implicit coding of the extrusion speed of an extruder and carry out semantic embedding coding on thermophysical property description of a vacuum bag film material. Therefore, intelligent adjustment of the cooling temperature is realized according to quick query response representation between the material thermal physical property semantic embedding feature and the local time sequence implicit coding feature of each extrusion speed. Therefore, the description about the thermal physical characteristics of the material input by the user can be directly processed, and manual parameter adjustment is not needed, so that the system can adapt to new materials or formula changes, and the operation difficulty and the error probability are reduced. Meanwhile, real-time dynamic adjustment of production process parameters can be achieved, control precision is improved, fluctuation of key parameters such as temperature is reduced, and stability and consistency of products are guaranteed.
Owner:ZHEJIANG YOUWEI NEW MATERIAL

Pipeline steel plate for conveying carbon dioxide and preparation method of pipeline steel plate

ActiveCN120330436ATemperingLine tubing
The invention discloses a pipeline steel plate for carbon dioxide conveying and a preparation method thereof. In the heating procedure of the preparation method, the soaking temperature is TNbC + (40-100) DEG C, and the soaking time is 30-50 min; in the first hot rolling procedure, multiple passes are included, the plate thickness after rolling is 3.2-4.2 t, the initial rolling temperature is Tnr + (5-25) DEG C, and the final rolling temperature is Tnr + (0-20) DEG C; in the water cooling process, the final cooling temperature is Ar3-20 DEG C-Ar3 + 15 DEG C; in the second hot rolling procedure, multiple passes are included, the plate thickness t after rolling is larger than or equal to 38 mm, and the initial rolling temperature and the final rolling temperature are both Ar3-20 DEG C-Ar3 + 15 DEG C; in the ultrafast water cooling process, the water inlet temperature is larger than or equal to Ar < 3-30 > DEG C, the final cooling temperature is Bs-(460-300) DEG C, and the cooling rate is 9-22 DEG C / s; and in the air-cooling self-tempering process, the steel plate is air-cooled to the room temperature on a cooling bed.
Owner:INST OF RES OF IRON & STEEL JIANGSU PROVINCE +2

Cooling tower operation state monitoring method and system based on big data analysis

The invention discloses a cooling tower operation state monitoring method and system based on big data analysis, and relates to the technical field of data processing, and the method comprises the steps: obtaining water temperature data of an inlet and an outlet of a cooling tower, calculating a cooling temperature difference, and carrying out the cooling efficiency evaluation based on a time sequence temperature relation; analyzing the relationship between the control parameters of each level of the cooling tower in combination with historical operation data and a field big data sample, and establishing a level control analysis path; and on the basis of the cooling target of the heat source equipment, analyzing control parameters of each level through the time sequence cooling efficiency, identifying the running state of the cooling tower, and sending state feedback information. The technical problems that existing cooling tower operation state monitoring depends on simple static measurement, dynamic optimization and real-time adjustment of control parameters of all levels are lacked, and the operation efficiency of the cooling tower is affected are solved, and the purposes that the control parameters are dynamically optimized in real time through big data analysis and multi-level control analysis, and the operation efficiency of the cooling tower is improved are achieved. And the operation efficiency of the cooling tower is improved.
Owner:WUXI PHOEBUS HEATING EQUIP CO LTD

Temperature increasing and decreasing temperature detection system and method for incubator

The invention relates to the technical field of laboratory equipment, in particular to an incubator heating and cooling temperature detection system and method.The incubator heating and cooling temperature detection system comprises a temperature detection module, a temperature setting module, a temperature calculation module and a temperature control module; threshold data of the test box can be set through the temperature setting module, the temperature calculation module calculates the temperature data based on the threshold data to obtain calculation data, and the temperature control module controls the temperature of the test box based on the calculation data. According to the method, the temperature of the test box can be effectively detected and controlled through the arrangement of the temperature detection module, the temperature setting module, the temperature calculation module and the temperature control module, so that the problem that the temperature of an existing test box cannot be pre-adjusted is solved.
Owner:CHONGQING YINHE EXPERIMENTAL EQUIP

Multi-path cooling control method for non-adjustable flow of cooling spray box after hot plate rolling

According to the multi-path cooling control method for the non-adjustable flow of the cooling spray box after hot plate rolling, the mode that an annular rail is combined with a trolley is adopted, the trolley bears a sample through a sample bearing table to do annular motion, the annular rail is an oval rail comprising two parallel linear segments and two semicircular segments, and at least one cooling spray box is arranged along the linear segment rail; the cooling area can be infinitely lengthened at any workpiece speed; according to the cooling starting temperature, the water cooling speed, the cooling stopping temperature, the cooling stopping time between the cooling areas and the production line cooling spray box layout of the N cooling areas determined by the experiment, the experiment device is configured according to different spray box opening modes, the cooling experiment is carried out, and spray box opening mode parameters corresponding to the optimal cooling speed of the N cooling areas are obtained; carrying out cooling control after rolling on corresponding sample production; besides, the method is implemented under the condition basically consistent with the actual working condition of the production line, so that the product design output and the production line process control are more accurate and efficient, the product research and development speed can be effectively increased, the process control precision is improved, and the production line trial-manufacturing cost is reduced.
Owner:BAOSHAN IRON & STEEL CO LTD

Shell die-casting cooling method and system

The invention relates to the technical field of die-casting processes, in particular to a shell die-casting cooling method and system.The method comprises the steps that the shell die-casting cooling process is simulated and analyzed through computer simulation software according to shell features, and the optimal layout and size of a cooling pipeline in a die-casting die are determined; a determined cooling pipeline is machined on the die-casting die, and a temperature sensor and a flow control valve are installed to monitor the temperature of the shell in each area and the temperature and flow of a cooling medium in the cooling process in real time; molten metal is injected into the die-casting die, and an air cooling system is started for primary air cooling; after the shell is preliminarily formed, a water cooling system is started, and sectional type cooling is adopted according to a computer software simulation result; the temperature sensor collects shell temperature data in real time and transmits the shell temperature data to the control system in real time, and the control system automatically adjusts the flow and temperature of a cooling medium through the flow control valve according to a preset temperature curve. And after water cooling is finished, the air cooling system is started again, and secondary air cooling is conducted on the shell.
Owner:JINGCHENG ENG AUTOMOTIVE PARTS (YANGZHONG) CO LTD

Food precooling temperature prediction method and device based on deep learning

The invention provides a food pre-cooling temperature prediction method and device based on deep learning, and the method is characterized in that the method comprises the steps: obtaining the temperature time sequence data of a plurality of temperature measurement points based on the given technological parameter data measurement in the ventilation pre-cooling process of target food; preprocessing the temperature time sequence data to obtain a temperature fusion feature sequence; and inputting the temperature fusion feature sequence into a fusion deep learning model, and outputting a temperature prediction result. According to the method, errors caused by manual intervention are reduced, and the precision of temperature prediction in food ventilation and precooling is remarkably improved.
Owner:CHINESE ACAD OF AGRI MECHANIZATION SCI GRP CO LTD +1

Wind and water combined heat dissipation method and device for hydraulic station

The invention discloses a wind-water combined heat dissipation method and device for a hydraulic station, and relates to the technical field of hydraulic heat dissipation control. The wind-water combined heat dissipation method comprises the steps that an expected die-casting plan of a target die-casting machine is read; an expected working load is determined, temperature rise trend prediction of oil liquid of the multiple hydraulic components is carried out, and multiple predicted oil temperatures are output; performing cooling demand analysis, and determining a plurality of initial cooling temperature values; carrying out lubrication performance attenuation analysis, compensating the plurality of initial cooling temperature values, and outputting a plurality of cooling temperatures; a wind-water combined heat dissipation twin model is constructed, heat dissipation parameter simulation optimization is carried out, and an optimized heat dissipation control strategy is output; and according to the optimized heat dissipation control strategy, heat dissipation control in the cooling backflow period is conducted on the target hydraulic station. The technical problems that in the prior art, heat dissipation accuracy and practicability are insufficient, and the working quality and working efficiency of the hydraulic station are affected are solved, and the technical effects that the heat dissipation accuracy and practicability of the hydraulic station are improved, and the working efficiency and working quality of the hydraulic station are improved are achieved.
Owner:启东安升润液设备有限公司

Coil pipe cooling immersed type box body coupled with CO2 energy storage system

The invention discloses a coil pipe cooling immersed box body coupled with a CO2 energy storage system. The coil pipe cooling immersed box body comprises a box body, a box cover and a cooling coil pipe, the box body is filled with cooling liquid, the density of the cooling liquid is reduced along with the rise of the temperature in the temperature range needing to be cooled, a part to be cooled is immersed in the cooling liquid, the cooling liquid forms circulation around the cooling part, and a vertical channel is formed in the box body; the box cover is covered on the box body; the cooling coil pipe is installed in the vertical channel, a circulating medium in the cooling coil pipe is subcritical carbon dioxide, and the cooling coil pipe is coupled with a CO2 energy storage system, so that the effects that the structure is simple, installation is convenient and fast, the temperature difference in the box body is reduced through CO2 phase change heat absorption, and the cooling efficiency is high are achieved.
Owner:ZHEJIANG TONKING NEW ENERGY GRP

Finish rolling inlet temperature forecast control method and device, electronic equipment and storage medium

ActiveCN120644485ATemperature control deviceThermodynamicsTemperature forecasting
The invention provides a finish rolling inlet temperature forecast control method and device, electronic equipment and a storage medium, and relates to the technical field of steel rolling, and the method comprises the following steps: firstly, constructing a temperature forecast control model based on historical data in the hot rolling cooling process of different plates, and then according to the temperature data collected at the real temperature and the output result of the temperature forecast control model, calculating the temperature forecast control value; dynamically adjusting parameters of the temperature forecast control model; based on the deviation between the temperature distribution predicted by the temperature forecast control model and the target temperature distribution, parameters of a cooling system are adjusted so as to control the cooling temperature of a finish rolling inlet; through the method, the technical problem that the cooling temperature control precision is low in the hot rolling production process is solved, and the technical effects of improving the temperature stability of a finish rolling inlet, and improving the cooling efficiency and the product quality stability are achieved.
Owner:ANSTEEL AUTOMAION CO

Corrosion-resistant low-temperature-resistant carbon dioxide pipeline steel and preparation method thereof

The invention discloses corrosion-resistant and low-temperature-resistant carbon dioxide pipeline steel and a preparation method thereof. The preparation method comprises the following steps: preparing a continuous casting billet through smelting and continuous casting; the temperature of a soaking zone is TNbC + (40-100) DEG C, and the duration of the soaking zone is 30-50 min; the continuous casting billet is rolled into a steel plate with the thickness t larger than or equal to 38 mm through recrystallization zone rolling and two-phase zone rolling; the initial rolling temperature of recrystallization zone rolling is Tnr + (5-25) DEG C, the final rolling temperature is Tnr + (0-20) DEG C, and the plate thickness after rolling is 3.2-4.2 t; both the initial rolling temperature and the final rolling temperature of two-phase region rolling are Ar3-5 DEG C to Ar3 + 15 DEG C; after the steel plate leaves the rolling mill, the steel plate enters an ultra-fast cooling system for water cooling, the water entering temperature is larger than or equal to Ar < 3-30 > DEG C, the final cooling temperature is Bs-(340-300) DEG C, and the cooling rate is 9-22 DEG C / s; and the steel plate is air-cooled to room temperature through a cooling bed after being discharged.
Owner:INST OF RES OF IRON & STEEL JIANGSU PROVINCE +2

Optimized cooling process for large flat-bulb steel

The invention relates to the technical field of metal material processing, in particular to a large-scale flat-bulb steel optimized cooling process which comprises the following steps: S1, temperature homogenization treatment; s2, primary cooling is carried out, and shock cooling is avoided; s3, a spraying device is used for cooling the flat-bulb steel, and conditions are created for subsequent partition cooling operation; s4, the flat body part of the flat-bulb steel is covered with a heat insulation material; s5, carrying out subarea differential cooling; s6, carrying out temperature equalization processing; s7, carrying out secondary spray cooling to reduce the temperature to a target range; s8, slowly cooling until the temperature is reduced to room temperature; s9, stress relief treatment is conducted, and the structural stability of a finished product is guaranteed; according to the method, through partitioned differential cooling, slow cooling control and mechanical vibration aging treatment, the temperature uniformity and internal stress release in the cooling process of the flat-bulb steel are remarkably improved, and the mechanical property and structural stability of a product are improved.
Owner:JIANGSU JUNRUI INTELLIGENT MFG CO LTD

High-strength and high-hardness reinforced wear-resistant steel and manufacturing method therefor

Disclosed in the present invention is high-strength and high-hardness reinforced wear-resistant steel, comprising Fe and inevitable impurities, and further comprising the following chemical elements in percentage by mass: C: 0.22-0.33%; Si: 0.10-1.00%; Mn: 0.50-1.80%; Cr: 0.80-2.30%; Al: 0.010-0.10%; RE: 0.01-0.10%; W: 0.01-1.0%; and at least one of MO: 0.01-0.80%, Ni: 0.01-1.00%, Nb: 0.005-0.080%, V: 0.01-0.20%, and Ti: 0.001-0.50%. In addition, further disclosed in the preset invention is a manufacturing method for the high-strength and high-hardness reinforced wear-resistant steel, comprising the steps of: (1) smelting and casting; (2) heating; (3) rolling; and (4) on-line quenching: wherein the cooling start temperature of primary cooling is (Ar3′+5)-(Ar3′+50)° C., M90<final cooling temperature<Bs, and the cooling speed is 2-15° C. / s; and then performing air-cooling to room temperature.
Owner:BAOSHAN IRON & STEEL CO LTD

A cooling device for real-time monitoring of steel pipe water mist cooling temperature and speed

The present invention provides a cooling device for real-time monitoring of the water mist cooling temperature and speed of a steel pipe, the cooling device comprising a cooling pipeline, the cooling pipeline being an annular pipeline; a plurality of water mist nozzles are arranged in parallel on the annular pipeline, the water mist nozzles are used to spray water mist to cool the workpiece; a water inlet pipeline is connected to the annular pipeline, an electric ball valve is arranged on the water inlet pipeline, the electric ball valve is used to control the opening degree of the water inlet pipeline, and then control the water output of the water mist nozzle to control the cooling speed of the workpiece. In the cooling device of the present invention, the opening degree of the electric ball valve is controlled by the real-time monitoring value of the infrared temperature measuring device to control the cooling rate of the workpiece; the heat-treated workpiece can be cooled at a more suitable cooling temperature, thereby ensuring that the heat-treated workpiece obtains a better crystal structure, ensuring that the heat-treated workpiece ultimately has better comprehensive mechanical properties, and achieving significant economic benefits.
Owner:DAYE SPECIAL STEEL CO LTD

A cavity water-cooled temperature-controlled mold

The present invention discloses a cavity water-cooled temperature-controlled mold, comprising a bearing plate, an off-the-ground support frame and a suspended support frame, and also comprising a glass pressing mechanism, a water-cooled temperature-control mechanism and a demoulding lifting mechanism. The bottom end of the bearing plate is provided with an off-the-ground support frame, the upper end of the bearing plate is provided with a suspended support frame, the middle part of the suspended support frame is provided with a glass pressing mechanism, the middle part of the glass pressing mechanism is provided with a water-cooled temperature-control mechanism, and the bottom surface of the bearing plate is provided with a demoulding lifting mechanism. The cavity water-cooled temperature-controlled mold provided by the present invention presses the glass by setting a water-cooled temperature-control mechanism to cooperate with the glass pressing mechanism, and the middle parts of the dynamic pressing mold and the static pressing mold are respectively provided with annular cooling holes and U-shaped cooling water guide grooves, which can quickly cool the inside and outside of the pressed glass at the same time, thereby increasing the cooling speed of the glass, and at the same time avoiding the problem of low yield rate due to injection molding, thereby effectively improving the yield rate of pressing.
Owner:GUANGDONG HUAHUAXING TECH CO LTD

Plastic pad extrusion molding cooling device

The invention relates to the technical field of plastic molding, in particular to a plastic pad extrusion molding cooling device which comprises a vertical frame, a fixed cylinder, a roller, a spiral sleeve and a detection assembly. The roller is divided into a plurality of cooling cavities for independently supplying water, water is supplied to the cooling cavities at the same time, the problem of uneven cooling caused by water flowing is solved, the spiral sleeve forcibly cools water to form turbulent flow, and compared with smooth laminar heat exchange, the cooling efficiency is improved, and the service life of the roller is prolonged. Then, the cooling temperature is detected in real time by means of the detection assembly, external supplementary cooling is conducted according to the situation, and therefore the mode that water is independently supplied to the multiple cooling cavities for turbulent cooling and matched with external supplementary cooling is formed, and the uniform cooling degree of the plastic pad is comprehensively improved; and the quality problems of buckling deformation, sinking, shrinkage and the like of the plastic pad caused by non-uniform cooling are avoided.
Owner:HELONG ETHNIC MAT PROD CO LTD

Water-cooling cooling tank for PVC (polyvinyl chloride) sheets

The utility model discloses a water cooling tank for PVC (polyvinyl chloride) sheets, and belongs to the technical field of PVC sheet production. In order to solve the problems that cooling is not uniform and efficient enough in a single spraying mode, the temperature can be gradually increased in the continuous working process of the whole single cooling tank, and the cooling effect is affected, the number of the novel separation cooling tanks is not less than two, and the cooling area and time of the PVC sheet are increased through serial use of the multiple separation cooling tanks, so that the cooling efficiency of the PVC sheet is improved. The cooling efficiency is improved, the effect of mutual influence of cooling temperature environments among the multiple separation cooling grooves is reduced, when PVC sheets enter the separation cooling grooves in sequence, the temperature environment in each separation cooling groove is gradually reduced, the cooling effect can be effectively improved, and the spraying pipes and the bottom spraying pipes are used in a combined mode, so that the cooling efficiency is improved. According to the cooling device, cooling water can cover the surface of the PVC sheet more evenly, spraying and bottom spraying are carried out at the same time, the temperature of the PVC sheet can be rapidly reduced, and the cooling effect is improved.
Owner:安徽高伟新材料科技有限公司

A preparation device and method for breathable and easy-to-dye polyester special-shaped DTY

The present invention relates to a device and method for preparing breathable and easy-to-dye polyester special-shaped DTY. The device includes a cooling device, which is an inverted gourd-shaped air duct; the inverted gourd-shaped air duct is composed of a hollow bowl-shaped column section, a hollow cylindrical section, and a hollow trumpet-shaped column section connected in sequence from top to bottom; the above device is used to prepare breathable and easy-to-dye polyester special-shaped DTY using POY raw yarn as raw material and a DTY process; the DTY process flow includes: POY raw yarn → heating by a pre-network heating device → heating by a first wire feeding roller → pre-cooling → cooling by a cooling device → pre-oiling → false twisting deformation → second wire feeding roller → middle network → auxiliary roller → shaping hot box → shaping overfeeding → oiling by oiling ring spraying → winding and forming by a winding machine. The design of the inverted gourd-shaped air duct in the device of the present invention adjusts the cooling water flow of each chamber, so that the cooling temperature of the silk strips is gradually reduced when passing through each cooling chamber; the method of the present invention ensures the uniformity of cooling and heating of the silk strips, and the uniform dyeing of the silk strips.
Owner:JIANGSU DELI CHEM FIBER CO LTD

Linear cooling control method and device for environmental test box and environmental test box

The embodiment of the invention discloses an environmental test box linear cooling control method and device and an environmental test box. The method comprises the following steps: acquiring temperature description information corresponding to an environmental test box; the temperature description information comprises the initial temperature, the final temperature, the current temperature, the current cooling time and the total cooling time. Determining a linear cooling rate according to the temperature description information; according to the current temperature, the current cooling time and the linear cooling rate, the opening degree of a pulse electromagnetic valve is determined; determining the opening degree of the electronic expansion valve according to the opening degree of the pulse electromagnetic valve and the temperature description information; according to the opening degree of the pulse electromagnetic valve and the opening degree of the electronic expansion valve, the rotating speed of an evaporator fan is determined, and the rotating speed of the evaporator fan is used for controlling linear cooling of an environment test box. According to the technical scheme provided by the embodiment of the invention, the stability of a linear cooling temperature curve can be improved, the cooling rate adaptation range is enlarged, and the linear cooling effect of the environmental test box is improved.
Owner:JIANGSU TUOMILUO ENVIRONMENTAL TEST EQUIP CO LTD

Integrated equipment for preparing nitrogen by refrigerant method

The invention relates to the technical field of liquid nitrogen preparation, in particular to integrated equipment for preparing nitrogen by a refrigerant method, which comprises an E1 heat exchanger, a separator VF1, an E2 heat exchanger, an E3 heat exchanger, an E4 heat exchanger, a separator VF2 and a liquid storage tank VF3 which are connected in sequence, the E1 heat exchanger, the E2 heat exchanger, the E3 heat exchanger and the E4 heat exchanger are used for gradually cooling nitrogen so that the nitrogen can be converted into liquid nitrogen. According to the method, the cooling temperature is reduced to-183 DEG C in the E4 subcooler, the supercooling degree of liquid nitrogen is improved, and the liquefaction efficiency of nitrogen is better improved; and meanwhile, the vaporization phenomenon of the liquid nitrogen in the storage process is well inhibited. Even if the temperature of the storage environment fluctuates, the liquid nitrogen at-183 DEG C can be kept in a liquid state, so that the volatilization loss is reduced, the storage cost is reduced, and the stable quality of the liquid nitrogen in long-term storage is ensured.
Owner:HANGZHOU NUZHUO TECH GRP CO LTD

Rapid cooling device for glass fiber reinforced plastic plate

The utility model belongs to the technical field of glass reinforced plastic plates, and particularly relates to a rapid cooling device for a glass reinforced plastic plate. The device comprises a fixed frame which is arranged between a drying oven and roller glue equipment, and a glass reinforced plastic plate penetrates through the middle of the fixed frame; the multiple air curtain machines are arranged above and below the fixed frame, the air curtain machines above and the air curtain machines below are arranged in a staggered mode, and air outlets of the air curtain machines face the glass steel plate; a tray is further arranged at the air inlet of the upper air curtain machine and used for containing cold water or ice blocks. The utility model is used for solving the technical problems in the prior art that the production efficiency is influenced and the cooling temperature is difficult to accurately control because the glass reinforced plastic plate is naturally cooled.
Owner:扬州万盛实业有限公司

Glass tempering production equipment

The utility model discloses glass tempering production equipment, which comprises an upper segment, a lower segment and a lower segment, the heating section comprises a heating assembly, a second conveying assembly and a first detection assembly, and the heating assembly is used for heating the glass on the second conveying assembly; the first detection assembly is used for detecting glass on the second conveying assembly so as to send a first detection signal; the air grid section comprises an air cooling assembly, a third conveying assembly and a second detection assembly, and the air cooling assembly is used for conducting air cooling on the glass on the third conveying assembly; the second detection assembly is used for detecting the glass on the third conveying assembly so as to send a second detection signal; and the lower segment comprises a fourth conveying assembly. The heating section and the air grid section are respectively provided with a first detection assembly and a second detection assembly which are used for detecting the temperature and the position of the glass, so that the heating temperature and the cooling temperature can be timely adjusted according to the temperature and the position of the glass.
Owner:LUOYANG NORTHGLASS TECH CO LTD

Calcined coke waste heat utilization system

The utility model relates to a calcined coke waste heat utilization system, and belongs to the technical field of waste heat recovery. The device comprises a first-stage cooler, a second-stage cooler, a waste heat lifting device and a deaerator, and calcined coke is cooled and output sequentially through the first-stage cooler and the second-stage cooler; the first-stage cooling pipe is communicated with the heating medium pipe to form a circulating pipeline, and external softened water is communicated with a second deoxidizing inlet of the deaerator through a first refrigerant pipe; external softened water is connected with an inlet of the second-stage cooling pipe through a second refrigerant pipe, an outlet of the second-stage cooling pipe communicates with a first inlet of the deaerator, and an outlet of the deaerator conveys high-temperature water to the outside. The system is simple in structure, waste heat of calcined coke can be recycled more sufficiently, energy waste is avoided, steam can be heated by the recycled waste heat of the calcined coke, steam cost is reduced, energy is saved, the system is stable and reliable, calcined coke materials with the temperature below 100 DEG C can be output, and energy is saved. And the discharge temperature of the calcined coke is low, so that the requirement on the cooling temperature of the calcined coke material can be met.
Owner:YANTAI EBARA AIR CONDITIONER

Method for controlling carbide network in a bearing steel wire rod by controlling cooling and controlling rolling

A method for controlling carbide network in a bearing steel wire rod by controlling cooling and rolling, comprises the following steps: rapidly rolling a bar to a wire rod and spinning it into a loose coil, controlling the rolling temperature at 780° C.-880° C.; and the spinning temperature at 750° C.-850° C.; carrying out on-line controlling cooling of continuous loose coils using EDC water bath austempering cooling process, controlling the cooling rate at 2.0° C. / s-10° C. / s, and controlling the final cooling temperature within 620-630° C.; after EDC water bath austempering cooling, using slow cooling under a cover, and the temperature is controlled to be 400° C.-500° C. when being removed out of the cover; after slow cooling, collecting coils, and cooling in air to the room temperature.
Owner:JIANGYIN XINGCHENG GOLD MATERIALS CO LTD +1