86results about How to "Guaranteed heating temperature" patented technology

The invention discloses an extra-thick hydrogen present 15CrMoR steel plate and a production method thereof. The steel plate comprises the following elements in percentage by weight: 0.12-0.17 percent of C, less than or equal to 0.20 percent of Si, 0.40-0.70 percent of Mn, less than or equal to 0.008 percent of P, less than or equal to 0.003 percent of S, 0.14-0.18 percent of Ni, 0.80-1.20 percent of Cr, less than or equal to 0.10 percent of Cu, 0.45-0.60 percent of Mo, 0.025-0.050 percent of Al, less than or equal to 0.016 percent of As, ess than or equal to 0.008 percent of Sn, less than or equal to 0.003 percent of Sb and Fe and unavoidable impurities in balancing weight. The production method comprises the steps of converter smelting, LF (Ladle Furnace) refining, vacuum refining, pouring, heating, rolling, cooling control, slow cooling, heat treatment and the like. According to the invention, the chemical elements of the steel plate are designed via the Cr-Mo taken as the basic alloy element, through the converter smelting, the LF refining, VD (Vacuum Degassing) furnace vacuum degasification, plate rolling, crack detection, normalization, tempering, steel plate finishing operation, performance inspection, as well as rolling control, cooling control, normalization and tempering, the particle size of steel is more than 8.0, and the elements are organized to a tempering sorbite; and through the effective implement of the measurements, the hydrogen present steel plate with a thickness of 120 mm to 150 mm and good corrosion resistance is successfully produced, and the steel plate is provided with higher intensity and good tenacity, and has favorable welding performance.

The present invention discloses a water quick heating device, which is mostly composed of a tubular container with a fluid inlet and a fluid issuing, a induction heating element bracket, a magnetic stripe, a induction coil, a upper cover, a liquid level sensor, a heat meter, a induction heating element, a flow equalizing stick, a below cap and a inlet liquid electromagnetic valve; the induction heating element of the invention is in the liquid, the thermal efficiency is higher than that of the Electromagnetic furnace in general; the electromagnetic induction is heated directly without thermal conduction effect of the insulation materials heat-insulating, and having rapid temperature rising; fluid and electricity are separated completely, and the usage is safe and reliable.

The invention discloses an optical binding device and method, belongs to the field of optics and aims to solve the problems of a conventional optical binding technology of a display screen. According to the scheme, a bearing unit slides in a direction of a working chamber unit along slide rails, and bulge clamp parts of the working chamber unit slide into clamp buckles of a bearing platform in the horizontal direction and are completely clamped together with the clamp buckles; a vacuum chamber performs vacuum pumping, a silica gel sheet is sucked to move downwards to be tightly attached to the upper surface of a to-be-attached optical device, vacuum pumping is stopped when a vacuum degree is reached, and the attachment step is completed; an air compressor is started, a pressurizing chamber starts pressurizing work, a heating layer continuously provides a constant-temperature environment for the to-be-attached optical device, and the to-be-attached optical device is subjected to defoaming; the defoaming step is continued for 5 min; after defoaming is finished, the air compressor performs air release operation on the pressurizing chamber, the silica gel sheet drives the heating layer to move upwards, the bearing unit is controlled to move along the slide rails and is completely separated, and an optically bound part is taken out.

The invention discloses an asphalt mixing device, and relates to the technical field of asphalt production and processing. A vertical lifting device is fixedly connected with a mixing box, the vertical lifting device can lift asphalt on the bottom layer in the mixing box to the surface layer, and a second heating device can heat the asphalt in the vertical lifting device. A stirring shaft is rotatably connected into the mixing box around a vertical shaft, a plurality of stirring rods are fixedly arranged on the circumferential face of the stirring shaft, a heating cavity is formed in each stirring rod, and a heating rod is fixedly installed in each heating cavity. A smashing device is fixedly arranged at the top of the mixing box, and a vibration screening device is arranged below the smashing device. A collecting disc is arranged below the vibration screening device and can collect screened ingredients, a first hopper is arranged below a discharging port of the collecting disc, the first hopper is fixedly arranged at the top of the mixing box and is communicated with the mixing box, and a third heating device is fixedly arranged on the outer surface of the first hopper. The heating effect is good, mixing is more uniform, and the finished product quality is guaranteed.

A method for attaching one metal to another one in sand mould includes such steps as precleaning the surface of a shaped solid metal, where another metal is attached to, putting it in a sand mould, filling and compacting sand for the surfaces not to be attached, making pouring system, MF induction heating to 200-1000 deg.C, pouring the molten another metal, and cooling.

The invention discloses a boiler suitable for full load SCR denitration. Water-cooled walls and superheaters are arranged at a hearth and a boiler high-temperature flue gas section; a first flue gas condensation water heat exchanger, an SCR denitration device and a second flue gas condensation water heat exchanger are arranged at the tail of the boiler; the SCR denitration device is arranged between the first flue gas condensation water heat exchanger and the second flue gas condensation water heat exchanger; a condensation water outlet of the second flue gas condensation water heat exchangeris connected with a condensation water inlet of the first flue gas condensation water heat exchanger; a condensation water inlet of the second flue gas condensation water heat exchanger is connected with a condensation water pump; a by-pass is arranged at the condensation water inlet of the first flue gas condensation water heat exchanger and is connected with a condensation water outlet of the first flue gas condensation water heat exchanger; a bypass valve is arranged on the by-pass; and an outlet of a feed pump and an outlet of the first flue gas condensation water heat exchanger are connected with the water-cooled walls. The disadvantages arising from the arrangement of a traditional boiler economizer and an air preheater are overcome, and the stabilization of an SCR flue gas inlet temperature and a high-temperature air temperature can be realized.

The invention discloses a firewood burning stove for camping. The firewood burning stove for camping comprises a fire hood, an outer cylinder, a combustion cylinder, a heat-isolating cylinder and a wind blowing device, wherein the heat-isolating cylinder is located between the outer cylinder and the combustion cylinder; the top part of the heat-isolating cylinder is connected with the top part of the combustion cylinder in a sealing manner; an air flow chamber is formed between the heat-isolating cylinder and the combustion cylinder; the wind blowing device is fixedly arranged at the bottom of the outer cylinder and is communicated with the air flow chamber. In the firewood burning stove for camping, the heat-isolating cylinder is added in the outer cylinder and the combustion cylinder, the air flow chamber is formed between the heat-isolating cylinder and the combustion cylinder, and the air blowing device communicated with the air flow chamber is arranged at the bottom of the outer cylinder. When the firewood burning stove for camping is used, the wind blowing device blows towards the air flow chamber; the top parts of the heat-isolating cylinder and the combustion cylinder are sealed, the pressure of the air entering the air flow chamber increases, and the volume of air entering the combustion cylinder increases, so that enough oxygen can be provided for combustion of fuel no matter in any environment, the combustion is complete, generation of a plenty of black smoke is prevented, and the heating temperature is guaranteed.

The invention relates to a method for manufacturing a fixing heating roller coated with teflon film silastic, comprising the following steps of: firstly, sheathing a fluorin jacket on the peripheral surface of an aluminium tube, and then infusing a silica gel layer between the aluminium tube and the fluorin jacket. The fluorin jacket is made of tubular teflon films. The invention has the advantages of simpler process, simple equipment, easy operation and low cost; and the manufactured fixing heating roller has high chemical stability and is suitable for high-speed printers and copiers.

The invention discloses an extruded asphalt pavement milling material crushing and screening device which comprises a heating and conveying system and a crushing and screening system, wherein the heating and conveying system comprises a drum; a milling material is rotationally conveyed from a feed chute in the rear end of the drum to a discharge chute in the front end of the drum by virtue of the drum, and a heating device for heating the milling material is arranged on the drum; the crushing and screening system is arranged below the discharge chute and is obliquely arranged; the crushing and screening system comprises a crushing operation group consisting of multiple rotatable crushing units; and the milling material dropping onto the crushing operation group is extruded by the rotating crushing units and is collected by a screen. According to the device disclosed by the invention, a single and extensive RAP treatment mode in pavement hot regeneration in the conventional highway reconstruction and expansion can be effectively improved, further, the mix proportion design of hot recycled asphalt mixtures is further conveniently realized, and the pavement performance of the regenerated asphalt mixture is improved.

The invention provides a heater of a micro-boiling heat-transfer experimental device, which comprises a shell, a cover plate, a connecting bolt and a heating copper block, wherein the heating copper block is a cone-shaped table, a hole matched with the top of the cone-shaped table of the heating copper block is arranged on the shell, the top of the heating copper block is positioned in the hole on the shell, the bottom of the heating copper block is arranged on the cover plate, the cover plate and the shell are connected by the connecting bolt, an insulation sleeve is arranged in the contact position of the heating copper block and the shell, and the bottom or the inner part of the heating copper block is provided with a heating rod. The heater can realize heat transfer experiments with high heat-flow density, the heat-flow density of a heating surface can reach 107W/m2 so that a critical thermal load phenomenon is ensured not to happen, and simultaneously air bubble behaviors during micro-boiling can be observed.

The invention discloses a method for cooling and discharging high-temperature tail gas of an aircraft APU in an ultralow-temperature environment in a laboratory. The method comprises the steps: 1, performing fan type selection; 2, giving a safe set temperature for high-temperature tail gas emission of the APU of the airplane; 3, determining the heating temperature of the electric tracing band; 4, estimating the mass flow rate of water for spraying and cooling; 5, primarily cooling and discharging the high-temperature tail gas of the aircraft APU; 6, tail gas emission temperature detection and adjustment; and 7, continuously cooling and discharging the high-temperature tail gas of the aircraft APU. The laboratory exhaust port temperature sensor, the laboratory environment temperature sensor and the laboratory environment pressure sensor are used for detecting whether the indoor environment is balanced or not under the APU driving condition, then the fan type meeting the requirement is selected, it is guaranteed that the temperature and pressure in a laboratory are stable, the safety of aircrafts and testers is guaranteed, the heating temperature of the electric tracing band is determined, the water supply pipe is effectively prevented from being frozen and blocked, and the stability is still achieved in an ultralow-temperature environment in a laboratory.

The invention relates to a heat supply two-network balancing method. The heat supply two-network balancing method comprises the following steps that a heat supply model of heat supply two-network balance is established, and the heat supply two-network balance involves in-building heat supply balance and heat supply balance among building units; buildings are divided into high areas, middle areas and low areas according to the height, and a variable frequency pump is arranged on a starting floor of each height area; a heat supply balance neural network of each height area is constructed, the frequency of the variable frequency pumps is obtained, and according to the adjustable range of the variable frequency pumps, a circulation control instruction is activated to achieve heat supply balance in the building; and parameters of all building units in the heat supply range of each heat exchange station are obtained regularly, a heat supply two-network balance neural network is constructed, the water supply flow is adjusted, and heat supply two-network balance is achieved. According to the heat supply two-network balancing method, on the basis of ensuring heat supply balance among the buildings, the heat supply balance in the buildings is met to the maximum extent, heat energy is saved according to the principle of large temperature difference and small flow, and electricity consumption of a water pump is reduced.

The invention discloses an air source heat pump electric thermal storage system and a control method. The system comprises at least one air source heat pump, at least one integrated electric thermal storage device, a plate type heat exchanger, a primary side water pump, a secondary side water pump, a circulating pipeline, cables and a control system, wherein the primary side water pump and the secondary side water pump are distributed on the two sides of the plate type heat exchanger, the circulating pipeline interconnects water flow of equipment and supplies heat to a terminal, the cables areused for supplying power to the equipment in the system, and the control system controls the operational process of the whole system; the integrated electric thermal storage devices integrate an electric heating device and a thermal storage device into integrated equipment, at least one of the air source heat pumps is a high-temperature air source heat pump, and the control system controls the air source heat pump electric thermal storage system to flexibly switch among a plurality of different operational modes. The system has the advantages that through the integrated electric thermal storage devices, the configuration number of the heat pumps is decreased, the system is simplified, the initial investment of the equipment is lowered, the reliability of the system is enhanced, in addition, clean energy is reasonably utilized, the occupied area of the system is small, the system efficiency is high, furthermore, the off-peak electricity can be fully utilized, and the operation cost islow.

The invention discloses a rolling machine for RTP composite pipes and winding pipes. The rolling machine for the RTP composite pipes and winding pipes comprises a machine frame, a core shaft is arranged in the machine frame, and a driving device is arranged at the rear end of the core shaft. A rolling roller is arranged in the machine frame, the rolling roller is arranged above the core shaft, andthe rolling roller is rotatably mounted on a mounting frame. A buffer device is conneted to the top end of the mounting frame, and a lifting device is arranged at the top end of the buffer device. Aheating device is arranged in the machine frame, the heating device is arranged on one side of the core shaft, an extrusion head is connected to the front end of the core shaft, the extrusion head isfixed to the machine frame, and a cooling device is arranged at the front of the extrusion head. The rolling machine for the RTP composite pipes and winding pipes solves the problem that the extrusionforce between the rolling roller and the core shaft is inconvenient to adjust in an existing structure, the cooling device is arranged at the extrusion head to perform cyclic utilization on hot air in the machine frame, the use ratio of energy sources is improved, energy conservation and environmental protection are better achieved, the product quality is ensured, and the production efficiency isimproved.

The invention provides a spiral pipe bender for a multi-station energy saving strip lamp, comprising a cabinet (1), wherein the cabinet (1) is equidistantly provided with six pedestals (2), the pedestal is vertically provided with spiral molds (3), electrothermal bags (4) are sleeved on the spiral molds (3), the lower ends of the electrothermal bags (4) are fixedly connected with the pedestals (2), the lower ends of the spiral molds (3) are hinged to a rotating shaft (5), the rotating shaft (5) is provided with a motor (6) and a speed reducer (7), and one side of the cabinet (1) is provided with a control switch (8). According to the invention, 1) substituting electric heating for heating with an open fire, the heating temperature is guaranteed, the heat loss is reduced, the processing time is shortened, the processing efficiency and product quality are raised; and 2) the pipe bender has six stations, six energy saving strip lamps can be processed simultaneously, thus the processing efficiency is raised.

The invention relates to a force and heat combined environment testing device, and specifically relates to a flame heating type thermal noise combined environment testing device. The device comprises a traveling-wave tube noise device (1), a noise detecting control device (8) and a heat testing device which are used for performing heat noise combined environment test for a tested part; the heat testing device is used for performing flame type heating, and methane and oxygen are utilized for generating flame; the heat testing device comprises a gas storing system (5), a flame pipeline system (4), a flame heating gun (3), a flame control system (6), a flame monitoring device (2), a flame heating gun mounting plate (8) and a temperature testing system. The device can be applied to the heat noise combined environment performance assessment test of a wing and a rudder of a high supersonic velocity aircraft and a large-area heat protecting system capable of repeatedly using a vehicle, and can also be applied to the heat noise performance assessment of a coated wallboard structure of the supersonic velocity aircraft; therefore, the device has a wide application prospect in aircraft structure optimizing and heat noise combined environment assessment.

An electric heating die comprises a die shell and an electric heating device in the die shell. The electric heating device comprises an upper-layer annular heating resistor element set surrounding a bottleneck for heating, a middle annular straight inserting columnar heating resistor element set surrounding a bottle body for heating, and a lower-layer annular heating resistor element set surrounding a bottle bottom for heating. The electric heating die is good in heating effect, low in machining cost and simple in structure.