121results about How to "Stable heating temperature" patented technology

The invention relates to a high-temperature micro-nano press mark test device and method in vacuum environment, and belongs to the field of mechanical and electronic integration precise instrument. The device can be used in vacuum environment; the oxidization caused by high-temperature environment on a press head and a test specimen can be prevented; the influence of air flowing on the test specimen heating is weakened; the stable heating temperature of the test specimen is ensured; further, the test analysis on the test specimen micro mechanical properties can be started; the characteristics parameters and the like of material hardness, elasticity modulus, creep properties and thermo-mechanical coupling effects are obtained so as to study the influence rule of variable-temperature and high-temperature environment on the material micro mechanical behaviors, deformation damage mechanisms and micro tissue structure evolution; the material and product design manufacturing, service prediction and reliability evaluation are guided. The structure of the device is compact; the measurement precision is high; the application range is wide; the wide application prospects are realized in the fields of material science, equipment manufacturing, ferrous metallurgy, national defense and military, aerospace and the like. According to the test method provided by the invention, the rich material micro mechanical property test theories and technical systems are combined.

The invention provides a self-heating heating bag and a preparation method thereof. The self-heating heating bag consists of content and a bag body, wherein the content is sealed inside the bag body; and the content contains iron powder, deionized water, activated carbon, vermiculite, sodium chloride, and a water-absorbing resin. The self-heating heating bag can quickly increase the temperature after the unsealing, and has steady heating temperature and permanent heating time; and the self-heating heating bag adopts environment-friendly and safe raw materials, has no toxicity, and can be safely used for human bodies.

The invention discloses an active carbon activation furnace and an active carbon production method and relates to the field of active carbon production equipment and active carbon production technologies. The safety of an active carbon production process can be improved to a certain extent; the activation furnace works stably for a long term; and the quality and the productive capacity of produced active carbon are greatly improved. The active carbon activation furnace comprises a furnace body, a material entry device and a discharge mechanism, wherein the furnace body is internally provided with a burning passage communicated with the interior of the furnace body; air is admitted to the burning passage; the interior of the furnace body is in a negative pressure state; and air pressure in the burning passage is lower than that in the furnace body. The active carbon production method comprises the following steps: A: arranging the burning passage and material passages, B: admitting steam into the material passages, C: leading liberated gas in the material passages into the burning passage, D: heating materials in the material passages, and E: admitting flue gas generated by burning into a steam generator for heat exchange. The active carbon activation furnace and the active carbon production method are mainly used for active carbon production.

The invention discloses a multifunctional SF6 inflating trolley. The multifunctional SF6 inflating trolley comprises a power transfer system for bearing and carrying air bottles and is characterized in that the power transfer system is a double-motor driven caterpillar band system for achieving 360-degree free rotation of a machine. The multifunctional SF6 inflating trolley further comprises a front flat ground walking wheel and a back flat ground walking wheel which are used for walking on the flat ground and are provided with a front flat ground walking wheel rising and falling mechanism and a back flat ground walking wheel rising and falling mechanism for controlling the walking wheels to perform rising and falling driving. The multifunctional SF6 inflating trolley is simple in structure, safe, reliable and labor-saving and improves carrying efficiency.

Disclosed is a chemical nickel waste liquid integrated processing system. The chemical nickel waste liquid integrated processing system is characterized in that solid-liquid separation can be performed on chemical nickel waste liquid, and the system comprises an evaporation device, a cooling tower, a conduction oil circulating device, an electric control cabinet and an automatic control unit; the evaporation device comprises a steam-liquid separator, a feeding electric valve, an emptying valve, a heating chamber, a condenser, a water storage tank and a vacuum pump; the water storage tank is composed of a first tank body and a second tank body. The chemical nickel waste liquid integrated processing system is high in integration degree, small in occupied area and capable of safely, stably and effectively removing phosphorus, nickel and COD in chemical nickel waste liquid, no secondary pollution is generated, and the processed chemical nickel concentrated solution has the recycling value.

The invention discloses an aluminum soft connection welder which comprises a rack, a welding mechanism, pressurizing equipment and a control cabinet. The welding mechanism is mounted on the rack, the pressurizing equipment is arranged above the welding mechanism, the control cabinet is arranged on one side of the rack, the welding mechanism comprises a lower seat, a lower supporting platform and an upper supporting platform, the lower supporting platform is arranged on the lower seat, the upper supporting platform and the lower supporting platform are in up-down arrangement, the upper supporting platform is connected with the pressurizing equipment through an insulating plate, the lower supporting platform is a cell body, a disc-type induction coil is arranged in the lower supporting platform, the lower end of the upper supporting platform is connected with an upper graphite platform while the upper end of the same is connected with a lower graphite platform, two graphite electric agglomerates are arranged between the upper graphite platform and the lower graphite platform, and a connecting member is put between the graphite electric agglomerates. The aluminum soft connection welder can realize uniform heating and is more accurate in temperature control.

The invention aims at the problem that in the prior art, the heating efficiency of a laminating machine in the laminating process is low, and provides a surface photovoltaic module laminating machine.The surface photovoltaic module laminating machine comprises an upper heating box and a lower heating box which are arranged face to face, a gas supplying, heating and pressurizing device and a vacuumizing device; each heating box comprises a cavity top plate, an elastic cavity partition plate and pressing strips which arrange the edges of the cavity partition plate on the cavity top plate in a sealing mode, wherein a heating cavity is formed between the cavity partition plate and the cavity top plate; the pressing strips of the two heating boxes face each other, the two cavity partition plates which are arranged face to face and the pressing strips form a sealed laminating cavity when the upper heating box and the lower heating box are closed, and the vacuumizing device is communicated with the two heating cavities and the laminating cavity; the gas supplying, heating and pressurizing device is communicated with the heating cavities and can fill heated and pressurized gas into the heating cavities; and the cavity partition plates are directly heated while pressure is generated by means of the heated gas, and therefore the heating efficiency in the laminating process is greatly improved.

The invention discloses a carbonization cracking system for waste plastics. The system utilizes a molten salt furnace to provide heating heat for a cracking furnace, so that a material in the crackingfurnace is continuously cracked, and a combustible gas generated by cracking of the material is used as a fuel of the molten salt furnace to maintain continuous heating of the molten salt by the molten salt furnace; the molten salt circularly flows in the cracking furnace and the molten salt furnace, so that a cracking chamber is heated continuously; and because a specific heat capacity of the molten salt is larger, the molten salt has a temperature of about 500 DEG C when flowing out from the molten salt furnace, and the molten salt has a temperature of about 480 DEG C when flowing back to the molten salt furnace, a cracking temperature difference is only about 20 DEG C, so that the entire carbonization cracking process is performed in a very stable temperature range. According to the system provided by the invention, in the above way, firstly, the material can be fully cracked; and secondly, the combustible gas generated by cracking is directly utilized, so that the molten salt furnace does not need to consume an external combustible gas, energy consumption of the carbonization cracking system is reduced, and a utilization rate of the material is improved.

The invention discloses a full-automatic medium-speed paper container molding machine. The machine comprises a paper rack; the paper rack is provided with a paper sucking mechanism and a paper conveying mechanism; the end part of the paper conveying mechanism is connected with a cup cylinder molding mechanism; a ultrasonic sealing mechanism is arranged above the cup cylinder molding mechanism; a cup cylinder demolding and feeding mechanism is arranged at the downstream of the ultrasonic sealing mechanism; an outlet end of the cup cylinder demolding and feeding mechanism is aligned to a manipulator turntable; an oil coater is arranged on one side of the manipulator turntable; a cup cylinder top feeding connecting rod is arranged on the manipulator turntable, and is connected with a moldingstation mold; a main rotating station disc is arranged at the front part of the molding station mold; a cup bottom raw paper rack is mounted on one side of a panel, and is connected with a paper pulling mechanism; the paper pulling mechanism is connected to a cup bottom blanking molding mechanism by a paper feeding mechanism; the cup bottom blanking molding mechanism is positioned at the lower part of the main rotating station disc; a bottom heating mechanism, a folding molding mechanism and a knurling mechanism are arranged on the main rotating station disc; and a winding port molding bottomsupport station disc is mounted on one side of the main rotating station disc.

The invention discloses a negative pressure evaporation and step-by-step feeding method of a nickel sulfate solution. The method comprises the following steps: preparing the nickel sulfate solution to be produced; performing vacuum pumping on a negative pressure evaporator; performing continuous heating on the solution in the negative pressure evaporator; performing cooling and crystallization on the concentrated solution; and further performing step-by-step feeding. The method is characterized in that the step-by-step feeding and the vacuum pumping operation are simultaneously performed. Therefore, the volume of the evaporation device can be fully utilized, the number of times of operation can be reduced, and the purpose of improving working efficiency can be further achieved. The method disclosed by the invention has the characteristics of fast evaporation speed, high production efficiency and simple operation, the number of equipment used by the method is small, and the equipment occupies small area, and is environment-friendly and pollution-free.

The invention relates to a dynamic control method for a heating heat pump water system. The method comprises the following specific steps that a heating water circulating system is prepared; the temperature to be reached is set and recorded as T<0>; indoor temperature is measured, and recorded as T<S>; the difference value of the indoor temperature T<S> and the temperature T<0> to be reached is obtained through comparison, and when |T<0>-T<S>|>=5, a high heating mode is started; when |T<0>-T<S>|<5, an energy saving mode is started; and when the energy saving mode is started, the water temperature of an intermediate-temperature container and the temperature of an outlet C of a three-way thermostatic valve need to be dynamically adjusted according to the difference value of the indoor temperature T<S> and the temperature T<0> to be reached to dynamically adjust heating temperature to ensure that the indoor temperature is proper. The dynamic control method has the beneficial effects that according to the control method, the single heating form of a heat pump water heater is changed to heating with the high heating mode and the energy saving mode. Under the high heating mode, the indoor temperature can be improved fast; and when the indoor temperature is close to the set temperature, the high heating mode is automatically converted to the energy saving mode, it can be guaranteed that the indoor temperature is constant, and the indoor temperature is prevented from exceeding comfortable temperature.

The invention discloses an automatic feeding medium-frequency diathermic furnace for forging an automobile half axle, which comprises a vertical frame (1). A group of medium-frequency power supplies (8) are arranged in the frame, a group of medium-frequency induction furnaces connected with the medium-frequency power supplies are arranged outside the frame, central lines of hearths of the group of medium-frequency induction furnaces are arranged approximately vertically, a feeding mechanism feeds bars to be heated into the hearths along the central lines of the hearths from the bottoms of the hearths, and an electric control device is used for automatically controlling heating temperature and heating time. The bars are vertically fed into the hearths to be heated, the diathermic furnace is controlled to stop heating after needed temperature is reached, and the bars are automatically discharged, so that the drawbacks of short circuit and the like caused by slag falling in the prior art are avoided, quality is ensured, and the labor intensity of workers is reduced.

The invention provides a purple bronze brass tube and a manufacturing method and production line of the purple bronze brass tube. The manufacturing method of the purple bronze brass tube comprises the following steps: allowing the brass tube to penetrate through the heating device on line at a set speed and heating to a red hot state, and oxidizing the outer surface; and reducing and cooling the outer surface of the brass tube on line, and manufacturing the purple bronze brass tube. The purple bronze brass tube production line comprises a heating device and a reduction tank, wherein reducing and cooling liquid is filled in the reduction tank. Compared with the prior art, the manufacturing method of the purple bronze brass tube has the advantages that process steps are less, yield is high, production efficiency of the purple bronze brass tube is high, lots of brass tube pickling process are eliminated in the related technology, the outer protective gas of the brass tube is canceled, the manufacturing cost is obviously reduced, the brass tube is energy-saving and environment-friendly, the manufactured purple bronze brass tube is dense and uniform in outer surface and can serve as a finished tube, drawing, bending, tube expanding and other subsequent treatment can be performed, and the color layer does not drop.

The invention relates to a temperature controller comprising a first temperature control module and a second temperature control module. The first temperature control module and the second temperature control module are respectively connected with an external AC power supply. The first temperature control module is used for heating to set temperature and then automatically disconnects. The second temperature control module is used for heating to set temperature and then periodically acquiring heating control signals outputted by the second temperature control module and regulating and controlling heating temperature of the next period according to the heating control signals acquired in the current period until heating temperature is stable. Compared with controllers in the prior art, heating temperature can increase to target temperature through heating and remain stable so that the loss can be effectively reduced, the processing precision can be enhanced and the yield rate can be enhanced.

The invention relates to disposable hygienic products, in particular to a production process of uterus-warming hygienic pants. The production process comprises the following steps of: 1, inputting outer-layer non-woven fabric, arranging waist-surrounding waistline rubber bands and abdomen waistline rubber bands at the front waist and the rear waist of the outer-layer non-woven fabric, and forming dummy cutting holes in the outer-layer non-woven fabric; 2, compounding a uterus warming patch at the front waist part of the outer-layer non-woven fabric; 3, compounding an inner-layer non-woven fabric on the outer-layer non-woven fabric; 4, compounding absorption core bodies on the inner-layer non-woven fabric; 5, folding the outer-layer non-woven fabric to enable the outer-layer non-woven fabric to cover the two ends, in the length direction, of each absorption core body; 6, cutting out a leg circumference area between every two adjacent absorption core bodies; 7, folding the middle of the outer-layer non-woven fabric, and then performing thermal compression on the front waist part and the rear waist part; and 8, cutting off the middle part of a thermal compressed part. With the sanitary pants adopted, the technical problems that existing sanitary pants are not reasonable enough in structure, low in production efficiency and high in cost can be solved.

The invention discloses an InP crystal growth furnace based on a VGF (Vertical Gradient Freeze) method and belongs to the technical field of semiconductor crystal growth equipment. The InP crystal growth furnace disclosed by the invention comprises a furnace base and a furnace wall, wherein a sealed space is formed between the furnace base and the furnace wall; a vent hole is formed in the furnace base; the upper surface of the furnace base is fixedly connected with a crucible support; a crucible is arranged above the crucible support; an isolation barrel without a bottom surface is coaxially arranged on outer sides of the crucible support and the crucible; a plurality of sections of heating elements are arranged at the periphery of the isolation barrel at intervals in the vertical direction; each section of the heating element is fixedly provided with an electrode mounting base; a heating electrode is connected with each heating element through the corresponding electrode mounting base and extends to the outer part of the furnace base; and the bottom of each section of the heating element is fixedly connected with a heater mounting plate. Heat convection and heat radiation between the adjacent heating elements are separated through the heater mounting plate to keep the heating temperature of the heating elements stable.

The invention discloses a homogeneity blast heating vacuum drying box. The homogeneity blast heating vacuum drying box comprises a heating box body and a box door, the side, facing the box door, of the heating box body is of an open structure, and the heating box body and the box door are closed to form a heating cavity; one set of heating pipe is embedded in the parts, facing the heating cavity,of the top and bottom of the heating box body respectively, one set of blasting panel is mounted on the parts, facing the heating cavity, of the left side wall and the right side wall of the heating box body respectively, and the two sets of blasting panels are connected with a same air blower through air inlet pipelines; and the sides, facing the heating cavity, of the blasting panels are evenlyprovided with ventholes. On the one hand, the homogeneity blast heating vacuum drying box make the heating temperature at each position of the heating cavity from bottom to top be the same, on the other hand, the intensity of the drying air applied to to-be-dried objects on different grids in the heating cavity is the same; the internal heating temperature is homogenous and stable, the intensity of the drying air on the same grid is the same, the whole drying homogeneity of the drying box is effectively improved, and the drying quality is improved.