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10406 results about "Heating temperature" patented technology

Heating systems are usually designed for a room temperature of 18-20 ºC, and that is for most cases sufficient. Elderly or sick persons may need a higher temperature to experience the same comfort as younger and healthy ones. The temperature difference vertically in a room should not be too great either.

System for restoring organic contaminated soil through in-situ electrical heating and treatment method

The invention provides a system for restoring organic contaminated soil through in-situ electrical heating. The system comprises an infrastructure technology, an electronic control system, a gas treatment system, a monitoring and data acquisition system and a repairing effect comprehensive assessment system. The infrastructure technology comprises heating well and extraction well construction, ground compaction and insulating layer construction technologies; heating wells are distributed on a contaminated site according to a triangle arrangement principle and a proximity principle, and the extraction well is arranged in the geometric center of the layout of the heating well; the gas treatment system is composed of a pre-cooling adsorption sledge, an extraction sledge and a treatment sledge, and is used for completing gas extraction and treatment and achieving the tail gas discharging requirement; and the repairing effect comprehensive assessment system evaluates the temperature risingeffect of the contaminated soil in the restoring process and the treatment effect of the contaminated soil. According to the system, the technological route is complete, the soil property applicability is wide, the heating temperature can reach 500 DEG C or above, and volatile and difficult-to-volatilize organic contaminant can be treated at the same time.
Owner:BEIJING MUNICIPAL RES INST OF ENVIRONMENT PROTECTION +1

Electronic cigarette and control method thereof

The invention provides an electronic cigarette and a control method thereof. The electronic cigarette comprises a heating wire assembly, a power source and a controller. The heating wire assembly is used for generating heat and comprises heating wires, wherein the resistance value of the heating wires changes along with the changes of temperatures. The power source is used for providing voltages for the heating wire assembly. The controller is electrically connected with the heating wire assembly and the power source and used for controlling the power source to output the voltages. The controller comprises a temperature detecting module which is used for detecting the resistance value of the heating wires to obtain the real-time temperature of the heating wire assembly, an upper limit heating temperature and a lower limit heating temperature are set in the temperature detecting module, the controller controls the power source to output a first voltage when the real-time temperature is smaller than or equal to the lower limit heating temperature and controls the power source to output a second voltage when the real-time temperature is larger than or equal to the upper limit heating temperature, the second voltage is smaller than the first voltage, and the controller controls the power source to keep outputting the current voltage when the real-time temperature is larger than the lower limit heating temperature and smaller than the upper limit heating temperature. The electronic cigarette and the control method thereof can ensure the taste consistency of the smoke of all times and save electric quantity.
Owner:SHENZHEN SMOORE TECH LTD

Electric cooker

The invention discloses an electric cooker comprising a double-layer boiler body with a handle and an electromagnetic oven body, wherein the boiler body comprises a first temperature sensor, a first temperature measuring circuit, a wireless signal transmitting circuit and a direct-current power supply, and the electromagnetic oven body comprises a wireless signal receiving circuit, a temperature control circuit, a drive circuit, an electromagnetic coil and a power circuit. The invention adopts the technical scheme that the temperature sensor is arranged on the boiler body, the temperature control circuit receives temperature signals on the boiler body and controls the output power of the drive circuit according to the temperature signals of the boiler body so as to control the heating temperature of an electromagnetic oven, and then the precise temperature control on heated foods can be realized. In addition, the electromagnetic oven body also comprises a second temperature sensor and a second temperature measuring circuit; and the temperature control circuit can also receives the temperature signals of the electromagnetic oven body and controls the output power of the drive circuit according to the temperature signals of the electromagnetic oven body, thereby realizing the control on the heating temperature of the electromagnetic oven.
Owner:MINGLE DEV (SHENZHEN) CO LTD

CrMnTi narrow hardenability strip pinion steels and method of manufacture

InactiveCN101289731AGuaranteed narrow hardenability band requirementsTemperature control deviceMetal rolling arrangementsChemical compositionPinion
The invention relates to CrMnTi narrow-hardenability gear steel and a method for manufacturing the same, belonging to the gear steel material and the production process thereof technical field. The chemical composition in percentage by weight of the gear steel is: 0.13-0.23 percent of C, 0.17-0.30 percent of Si, 0.80-1.25 percent of Mn, 0.04-0.10 percent of Ti, 0.90-1.35 percent of Cr, less than or equal to 0.20 percent of Cu, less than or equal to 0.050 percent of S, less than or equal to 0.030 percent of P, less than or equal to 0.05 percent of Mo, less than or equal to 0.25 percent of Ni, [O] less than or equal to 20x10<-6>, [H] less than or equal to 2.5x10<-6>, and the balance being Fe and inevitable impurities. The manufacturing method comprises the following process steps of smelting, continuous casting, rolling and hot rolling, wherein in the step of continuous casting, the superheat degree of a tundish is controlled between 10 and 30 DEG C, and the casting speed is between 0.50 and 0.85 m / min; in the step of rolling, the heating temperature is between 1130 and 1280 DEG C, the start rolling temperature is more than or equal to 1100 DEG C, and the finish rolling temperature is between 850 and 980 DEG C. The gear steel and round steel in the specification between phi 30 and 160 mm can be produced by adopting the manufacturing method. By adopting narrow-composition steel grade design, electric furnace burden structure optimization, electric furnace end point control, grain-refining and banded structure control and other reasonable technological measures, the method effectively realizes hardenability narrowing and other objectives.
Owner:SHANDONG IRON & STEEL CO LTD

Segmented compression-segmented heat supply-segmented expansion gas compression type units

A subsection compression-subsection heat supply-subsection gas expanding compression type machine set belongs to the technical field of heat pumps/refrigeration, and consists of a compressor, an expander, a heat exchanger, a second heat exchanger and a low-temperature heat exchanger. Gas working substances absorbing heat from the low-temperature heat exchanger and raising temperature enter the compressor; after the gas working substances are compressed in a low pressure compression section, a part of the gas working substances are provided for the heat exchanger to complete the heating of a heated medium at an initial stage; the part of the gas working substances enter the expander and is expanded at a low pressure expansion section; the other part of the gas working substances are provided for the second heat exchanger to complete the heating of a second stage of the heated medium after continuously passing through the whole compression process and raising temperature, and enter the expander from an inlet of the high pressure expansion section of the expander for expanding; the gas working substances completing the expanding work flow through the low-temperature heat exchanger to absorb the heat and raise the temperature and enter the compressor; and a heat regenerator is added to form a regenerative machine set. The gas expanding compression type machine set reduces temperature difference of heat transmission and improves the performance index; when taken as a heat pump, the gas expanding compression type machine set is particularly suitable for occasions with high heating temperature and wide range; and when used for refrigeration, the gas expanding compression type machine set can reduce power consumption.
Owner:李华玉

Intelligent cooking system and method

The invention relates to an intelligent cooking system. The intelligent cooking system comprises a pot control unit, a stove control unit and a range hood control unit, and the stove control unit and the range hood control unit are in communication with the pot control unit respectively. The intelligent cooking system further comprises a terminal and a cloud server. The terminal is in wireless communication with the pot control unit, the stove control unit, the range hood control unit and the cloud server. The invention further relates to an intelligent cooling method. The terminal can download cookbook data in the cloud server and transmit the date to the pot control unit so that cooking can be controlled. In the cooling process, the pot control unit can detect the weight of food placed in a pot and can also detect the heating temperature of the pot so that weight data and temperature data can be transmitted to the stove control unit and the range hood control unit, the fire power and the exhaust air rate can be flexibly and autonomously adjusted in real time, and the system can adapt to different food quantities. Meanwhile the terminal can be used for fine adjusting the fire power of a stove and the work power of a draught fan so that control over cooking can be more accurate.
Owner:ZHEJIANG AICHEN GRP CO LTD

High-strength cold rolling transformation induced plasticity steel plate and preparation method thereof

The invention provides a high-strength cold rolling transformation induced plasticity steel plate and a preparation method thereof. The high-strength cold rolling transformation induced plasticity steel plate comprises the following components by weight percentage: 0.1%-0.5% of C, 0.1%-0.6% of Si, 0.5%-2.5% of Mn, 0.02%-0.12% of P, less than or equal to 0.02% of S, 0.02%-0.5% of Al, less than or equal to 0.01% of N, 0.1%-1.0% of Cu and the rest Fe. The preparation method comprises the following steps of: (a) refining molten steel meeting a component condition, and casting into a blank; (b) rolling, wherein the heating temperature is 1,100-1,250 DEG C, the heat preservation time is 1-4h, the initial rolling temperature is 1,100 DEG C, the final rolling temperature is 750-900 DEG C, the coiling temperature is less than 700 DEG C, the thickness of a hot rolled steel plate is 2-4mm, and the cold rolling accumulated pressing amount is 40-80%; and (c) continuous annealing, wherein the annealing temperature is 700-Ac3+50 DEG C, the heat preservation time is 30-360s, the cooling speed is 10-150 DEG C/s, the aging temperature is 250-600 DEG C, the aging time is 30-1,200s, and the hot roller steel plate is cooled at the speed of 5-100DEG C/s to be at the room temperature. The steel plate disclosed by the invention has the bending strength of 380-1,000 MPa, tensile strength of 680-1,280 MPa and elongation of 15-30%.
Owner:ANGANG STEEL CO LTD

Infrared image automatic fault identifying method for high-voltage equipment

ActiveCN102928742AAutomatic identification of red hot faultsRadiation pyrometryFault locationImaging processingTemperature difference
The invention discloses an infrared image automatic fault identifying method for high-voltage equipment. Firstly, electric equipment in need of detection is selected and a temperature image of the electric equipment is obtained; secondly, a heating point, heating a point temperature T1 and a normal phase temperature T2 of the electric equipment are obtained through processing of the temperature image; thirdly, a relative temperature is calculated in combination with an environment reference temperature T0 to judge a running condition and fault information of the electric equipment. In the infrared image automatic fault identifying method for the high-voltage equipment, the running condition and the fault information of the electric equipment on a high-voltage transmission wire are monitored on the basis of an infrared image processing technology, a temperature heating abnormal point is detected according to an infrared temperature image processing technology, a heating temperature, a normal temperature, an environment temperature and the relative temperature of an abnormal point are calculated and then the running condition and the fault information of the electric equipment are automatically judged according to a relative temperature difference judging method; in this case, quick on-line detection of the running condition of the electric equipment is realized.
Owner:MAINTENANCE BRANCH OF STATE GRID CHONGQING ELECTRIC POWER +1

High-heat-discharge-quantity refrigerating and heating temperature control system for reaction kettle

The invention relates to a high-heat-discharge-quantity refrigerating and heating temperature control system for a reaction kettle. The high-heat-discharge-quantity refrigerating and heating temperature control system comprises a reaction kettle, wherein one end of the reaction kettle is sequentially connected with a heating pipe, an electric proportioning regulating valve, a first cold storage tank and an evaporation heat exchanger through a fourth pipeline, the output end of the evaporation heat exchanger is sequentially connected with a first circulation pump, a first one-way valve, an expansion tank and an exhaust valve through a first pipeline, the exhaust valve is connected to the other end of the reaction kettle through a fifth pipeline, the two ends of the evaporation heat exchanger are connected with a refrigerating machine, the refrigerating machine is structurally characterized in that one end of the evaporation heat exchanger is sequentially connected in series with a gas-liquid separator, a compressor, an oil separator, a condenser, a drying filter, a second cold storage tank, an electromagnetic valve and an expansion valve through a third pipeline, the outer end of the expansion valve is connected with the other end of the evaporation heat exchanger through an eighth pipeline, the refrigerating machine is positioned between the electromagnetic valve and the second cold storage tank and is connected with the third pipeline through the second pipeline, and an electronic expansion valve is arranged on the second pipeline. The work reliability is good.
Owner:WUXI GUANYA REFRIGERATION TECH

Super-thick steel plate for low yield ratio buildings with 460 MPa grade yield strength and manufacturing method

The invention relates to a super-thick steel plate for low yield ratio buildings with 460 MPa grade yield strength and a manufacturing method, which belongs to the technical field of high strength low alloy construction steel. The steel pipe comprises the following components by weight percent: 0.14 to 0.18 percent of C, 0.35 to 0.45 percent of Si, 1.40 to 1.50 percent of Mn, 0.025 to 0.035 percent of Nb, 0.040 to 0.050 percent of V, 0.010 to 0.020 percent of Ti, smaller than 0.020 percent of P, and the balance Fe. The rolling technology is as follows: the heating temperature is 1220 to 1250 DEG C, the tapping temperature is 1200 to 1230 DEG C, and two stages (ausrenitic recrystallization region and ausrenitic non-recrystailization region) are used for controlling rolling. The heat treatment technology is as follows: steel plates, the thickness of which is larger than or equal to 80 mm, are obtained after controlled rolling and cooling are carried out on continuously cast bloom, a two-phase region is heated up to 800 to 850 DEG C and insulated for 10 to 20 minutes, and then water quenching is adopted and the final cooling temperature is controlled to be less than or equal to 100 DEG C; 450 to 600 DEG C tempering treatment is carried out on the quenched steel plates, and finally the high strength low alloy construction steel plates are obtained. The steel plate not only has excellent comprehensive mechanical properties, but also lowers the cost and reduces the waste of resources.
Owner:SHOUGANG CORPORATION

Intelligent infusion device

The invention discloses an intelligent infusion device. The intelligent infusion device comprises an infusion bottle control mechanism, a puncture outfit mechanical arm mechanism, an infusion liquid dynamic monitoring mechanism, an infusion liquid temperature control mechanism, an automatic needle plugging and unplugging mechanism, a central control station and a central control unit. The central control unit corresponds to the puncture outfit mechanical arm mechanism, the liquid dynamic monitoring mechanism, the liquid temperature control mechanism and the automatic needle plugging and unplugging mechanism. The intelligent infusion device has the advantage that automatic integration in the infusion process can be achieved, which is concretely embodied in that an infusion bottle can be automatically changed; infusion dripping speed, flowing speed and liquid bubbles are monitored, the infusion dripping speed and flowing speed are controlled, and the bubbles are eliminated in time; in the infusion process, an infusion tube is heated, and heating temperature is automatically controlled; through control of mechanical arms, automatic needle plugging and unplugging are achieved; the central receiver controls controllers of all units, so that control over all stages in the infusion process is achieved.
Owner:深圳文健医疗科技有限公司
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