40results about How to "Heating controllable" patented technology

The invention discloses an enhanced TiNi layered composite material and a preparation method thereof, and belongs to the field of processing of special material composite technology. By aiming at theproblems of poor mechanical properties of the existing Ti/Ni layered composite material, pure titanium and pure nickel are used as raw materials; titanium plates and pure nickel plates are respectively subjected to surface pretreatment; then, the placement is performed in an alternate laminated sequence in a mode of Ti/Ni/Ti; through the subsequent rolling compounding and heat treatment processes,the Ti/Ni layered composite material with excellent mechanical property is prepared. The preparation process is simple; the cost is low; the mechanical property is excellent.

The invention provides a fast preparation method of silicon dioxide aerogel. According to the method, tetraethyl orthosilicate is used as a silicon source; low-concentration organic weak acid is added for catalyzed hydrolysis reaction; then, the condensation polymerization reaction and the hydrophobic modification of the gel are completed in one step through reasonably controlling the addition quantity of the nitrogen-containing silane, the dripping speed and the reaction time; the addition of basic catalysts is not needed; the consumption of a great number of replacement solvents in the general post hydrophobic modification method is avoided; waste liquid is not generated; the preparation period is greatly shortened; the process cost is reduced; the industrial production is easy; meanwhile, the prepared silicon dioxide aerogel product has excellent performance.

The invention relates to the field of plant transpiration detection, and specifically discloses a tree heat pulse transpiration determinator and a measuring method thereof. The tree heat pulse transpiration determinator comprises multiple ways of stem flow sensors, an analog-digital conversion unit which is electrically connected with the stem flow sensors, a main control unit which is electrically connected with the analog-digital conversion unit, as well as an AVR (automatic voltage regulation) singlechip, wherein the main control unit and the AVR singlechip are respectively electrically connected with a heat pulse heating plate, and the heat pulse heating plate is respectively electrically connected with heating probes which are arranged corresponding to the multiple ways of stem flow sensors. The tree heat pulse transpiration determinator and the measuring method provided by the invention have the advantages that the power dissipation is low, the heat pulse heating time is flexible, the tree transpiration can be obtained by direct measurement, and the accuracy of measuring data is greatly improved.

The invention relates to a vacuum refueling horizontal linear evaporation source. The evaporation source employs horizontal linear down-blowing evaporation, has evaporation width of 300 mm and is applicable to evaporation of nonmetal elements with a sublimation temperature of lower than 2500 DEG C. The vacuum refueling horizontal linear evaporation source has the advantages of a small size, a simple structure, low manufacturing cost, capacity of realizing on-line continuous supply or replacing of raw materials, multi-point and controllable heating of raw materials, etc.

The invention discloses a minimum ignition energy testing device which is characterized by comprising an explosion cavity, a heating system, a vacuumizing system, a gas supply system, a powder spraying system, an ignition system, a data acquisition system, a controller and a sample injection system, wherein the heating system, the vacuumizing system, the gas supply system, the powder spraying system, the ignition system, the data acquisition system and the sample injection system are all connected with the explosion cavity, the heating system and the powder spraying system are both connected with the controller, and the ignition system, the gas supply system and the powder spraying system are all connected with the data acquisition system. According to the invention, tests of different temperatures, ignition time, ignition energy, combustible mixture ratio and the like can be carried out, so that a basis is provided for industrial production dust explosion accident prevention; the problems of liquid sample loading and steam preparation are solved, and meanwhile, different proportions of inflammable steam and dust mixtures can be configured, so that the explosive test of the liquidsteam and dust mixtures is more reasonable.

The invention relates to a modification method for improving the salt tolerance of a crylic acid macromolecule absorbent resin. The modification method for improving the salt tolerance of the crylic acid macromolecule absorbent resin is characterized by comprising the following steps: 1) according to the parts of all component raw materials by weight as follows: 90 portions to 140 portions of n-hexane, 30 portions to 50 portions of coconut oil diethanolamide, 20 portions to 40 portions of crylic acid, 5 portions to 12 portions of sodium hydroxide, 3 portions to 15 portions of calcium chloride, 0.03 portion to 1 portion of N, N'- methylene bisacrylamide, 0.05 portion to 1 portion of ammonium peroxydisulfate and 32 portions to 100 portions of water, raw materials are selected; 2) water is respectively mixed with the sodium hydroxide and the calcium chloride so as to obtain sodium hydroxide solution and calcium chloride solution; and 3) all raw materials are added into a reaction kettle with a water bath, the water bath temperature is risen to 70 DEG C to 80 DEG C, the raw materials are stirred for 4 hours to 6 hours at the temperature for reaction, finally a reaction product is taken out; and after being dried, the reaction product is the modified crylic acid macromolecule absorbent resin. The method can evidently improve the salt tolerance of the crylic acid macromolecule absorbent resin and has low production cost.

The invention discloses a beneficiation process for fine-particle-embedded silicate type iron oxide ore. According to the beneficiation process, agriculture and forestry residues and sodium sulfate are adopted as activating and roasting additives, microwave is used as a heating heat source, the magnetic property of the iron ore is enhanced efficiently with lowenergy consumption, the micro-particle-embedded silicate type gangue minerals can generate activation in the roasting process and react with the sodium sulfate to generate an acid-soluble substance, and then the coarse separation of the gangue minerals and the iron minerals is realized through an acid dissolving process; and in addition, due to addition of the sodium sulfate in the roasting process, the growth of the iron ore particles can be promoted, the ore grinding process is improved, and the magnetic separation index is strengthened. The process can effectively solve the problems that the iron grade in the fine-grain silicate type iron ore is low, the monomer dissociation is difficult, the roasting energy consumption is high and the like, and the process has the advantages of being simple in technological process, wide in auxiliary raw material source, low in cost, easy to control reaction and the like, and can be used for solving the problems of difficulty in dissociation, poor product quality and the like caused byother silicate micro-particle embedding.

The invention relates to a percussive device of a rotary kiln. The percussive device of the rotary kiln comprises a hollow cavity and a ball body, the ball body is flexibly arranged inside the hollow cavity, one end of the hollow cavity is fixed in the external wall of a heating furnace barrel of the rotary kiln, the ball body and the external wall of the heating furnace barrel of the rotary kiln are in a spaced percussive state, the hollow cavity is polyhedron-shaped, or cylinder-shaped or cage-shaped, and the hollow cavity is vertically fixed on the external wall of the heating furnace barrel of the rotary kiln. The percussive device of the rotary kiln enables materials to leave the internal wall of the heating furnace barrel quickly, and ensures that material heating inside the heating furnace barrel is completely controllable, and therefore bonding and scorch of the materials in the inner wall of the heating furnace barrel are avoided, and quality and yield coefficient of calcined products are guaranteed, and meanwhile service life of the rotary kiln is prolonged, and production cost of the products is reduced.

The invention provides a transformer for a reservation type water heater. The transformer is provided with a plurality of voltage positions; an output end of each position is connected to a corresponding heating rod; the plurality of positions can be superimposed in use; and each voltage position corresponds to a heating time range which is calculated by a central computer controller according to factors such as actual environmental temperature. Each time the water heater is reserved to heat, the water heater can automatically select one voltage position for heating according to an input preparation time, cuts off a power supply when heating to the required position, and displays a prompt for completing heating at a remote control end simultaneously; after confirmation, the transformer can cut off all heating circuits automatically; and otherwise, the water heater enters a constant temperature protection mode. The invention has the advantages of adopting a multi-level heating direct-heating transformer, connecting the tail end of the transformer to an electric heating rod directly for heating water, improving the heating efficiency, along with easy control, high speed and convenience.

The invention relates to a barbecue oven for family picnics with three barbecue modes, comprising a furnace body, three furnace body legs, auxiliary heating components, a grill net, a charcoal net, a storage cylinder, a hanging grill component and three barbecue rods; The furnace body has a hemispherical structure. The auxiliary heating component includes a ring base and six electric heating rods. The electric heating rod includes a U-shaped rod body and a plug that can be used with a two-hole socket. The storage cylinder has six electric heating rod passages, three barbecue rod passages, three outrigger passages and one roasting rod passage arranged along its axial direction. The barbecue oven of the present invention can not only roast some small food materials, but also can barbecue some larger food materials, and the heating of the barbecue oven is more uniform, and the heating intensity can also be adjusted according to the specific conditions of the barbecue food materials.

The invention provides a film tearing system for tread rubber. The film tearing system comprises a frame body, a film tearing device, a first heating device and a second heating device; a pressing attaching device is arranged at the first end of the frame body and is used for fixing the first end of the tread rubber; the film tearing device is movably arranged on the frame body, a film tearing roller is arranged on the film tearing device, a to-be-torn preservative film winds around the film tearing roller, and the film tearing device moves from the first end of the frame body to the second end of the frame body; the first heating device is arranged at the first end of the frame body; and the second heating device is arranged on the film tearing device and can heat the second end of the tread rubber under the condition that the film tearing device moves to the second end of the frame body. The second heating device moves along with the film tearing device, the second heating device starts heating when moving above a material tail, and the first heating device can heat the first end of the tread rubber at any time. According to the film tearing system, on the premise that the lengthof the frame body is not increased, the film tearing roller and the second heating device are integrated, so that semi-automatic stripping of the preservative film and simultaneous controllable heating of the front and back edges of the tread rubber are realized.

The invention provides a roller-type tobacco feeding machine with a composite-type heating system. The roller-type tobacco feeding machine comprises a machine frame, a material conveying roller slantwise installed on the machine frame, a transmission device and a hot air circulating system installed on the material conveying roller. The higher side of the material conveying roller is provided witha feeding chamber, and the lower side is provided with a discharging port. A roller wall of the material conveying roller is of a double-layer structure, and a steam heat-radiating tube is arranged in an interlayer. An inlet and an outlet of the steam heat-radiating tube are arranged outside the roller wall. The discharging port of the material conveying roller is provided with a moisture removing chamber. The discharging port is placed at the lower end of the moisture removing chamber, and the upper part of the moisture removing chamber is connected with a moisture removing pipe and a moisture removing fan. The roller-type tobacco feeding machine does not affect material moisture in a heating process, and a material is more uniformly heated, and controlled. A material adhesion quantity of the roller wall is effectively reduced, and labor intensity of an operator is reduced in a maintaining process.

The invention discloses energy-saving food cooking equipment which comprises a container, a constant temperature control system and a stirring device, wherein the constant temperature control system is used for heating water, maintaining the cooking temperature and controlling the operation of the stirring device. According to the energy-saving food cooking equipment disclosed by the invention, at the heating stage, convective heat transfer is increased, so that the food temperature reaches the cooking temperature as soon as possible. Moreover, at the temperature maintaining and cooking stage, due to the optimized combination of constant temperature control and stirring, the food temperature is always maintained nearby the cooking temperature, and lots of energy can be saved under the condition that the cooking temperature of the food is guaranteed.

The invention relates to an optical auxiliary induction heating self-crucible single crystal growth device and an application thereof. A self-crucible is formed by combining discrete copper pipes filled with circulating water, a high-power optical heat source is used for heating to form a liquid pool, and controllable and clean melting starting of a melt is realized. Resistance heating or opticalheat source heating is selected to form a rear hot temperature zone to achieve crystal growth temperature gradient control, and traditional crystal growth technologies such as a pulling method and anedge-defined film-fed growth method are used for controllable and efficient growth of single crystals. According to the invention, a precious metal crucible is prevented from being used as a crystal growth container, precious metal loss is effectively overcome, and crystal growth cost is reduced. Crystal growth can be carried out in various atmospheres, and improvement of crystal quality and regulation and control of physical properties are facilitated. The problems that a solid-liquid interface needs to be maintained by surface tension and large-size crystals are difficult to grow in a pure optical floating zone method are solved. Optical heating is adopted, melting starting of raw materials is achieved, and the defects of impurity pollution, inclusion and the like caused by melting starting of graphite rods, metal rods and the like are avoided.

The invention relates to the technical field of electric heating, in particular to a carbon fiber heating pipe, which comprises a main pipeline wrapped by a thermosetting insulating material. According to the carbon fiber heating pipe, the pipe wall of the main pipe is designed to be corrugated, so that the pipe is bent and deformed, the disc radius is reduced, and storage and transportation are facilitated; and the spiral carbon fiber heating wire is arranged in the main pipeline, the outer side of the carbon fiber heating wire is wrapped with the pipeline reinforcing fibers, and the reinforcing ribs internally provided with the insulating wires and the longitudinal reinforcing fibers are symmetrically arranged on the outer wall of the main pipeline, and the pressure bearing performance and the bending resistance of the heating pipe are improved.