42results about How to "Uniform heating rate" patented technology

The invention discloses a heating body and a curing object matched with the heating body, an electronic cigarette atomizer and an electronic cigarette. The heating body comprises a glass sleeve and multiple sections of metals which are embedded in the glass sleeve and are capable of generating magnetic induction intensity, a conical body in which the curing object is pierced is arranged at the front end of the glass sleeve; isolating layers for controlling various sections to generate heat independently are arranged between the adjacent metals; and pressure discharge holes are formed in the isolating layers. According to the invention, by conducting self-heating in a mode of electromagnetic induction heating and by generating high-frequency induction current for alternating current through DC conversion, the metals become heated to cure tobacco shreds, so that flavors and fragrances as well as fragrance compounds in the tobacco shreds are volatilized and atomized; by virtue of the glass sleeve, stuffing is prevented from getting oxidized or contaminated by the metals and staged heating is facilitated, so that a heating rate is uniform, curing is conducted fully, a heating rate is moderate and the cured tobacco shreds are pure in fragrance; and in addition, a sachet can be pierced to add relative aromatizing and atomizing aids.

A low-temperature heating control method for a lithium ion battery includes the following steps: first selecting a capacitive component; connecting the capacitive component and an additional power device in series, and then connecting a switch device in parallel to form a heating control circuit; then sequentially connecting the heating control circuit with the lithium ion battery, two sets of power devices of a motor controller body, and two-phase winding inductance of a electromotor to form a loop; and controlling charge and discharge of the capacitive component and magnetic energy storage and release of the two-phase winding inductance by opening and closing of the switch device and the additional power device to enable an LC oscillating circuit to be formed between the capacitive element and the winding inductance, generating a high-frequency alternating current, generating heat inside the lithium ion battery based on a joule law, and allowing to repeatedly operating the heating process to achieve continuous oscillation and continuous heat production until heating the lithium ion battery to a target temperature. The low-temperature heating control method for the lithium ion battery can be achieved by only adding a simple component to an inherent structure of an electric vehicle, and has the characteristics of good heating effect, high thermal efficiency and low usage cost.

The invention relates to the food processing field, specifically a processing method of a crispy peel free walnut kernel, which solves the problem that color, taste and nutritional components of walnut kernel are damaged in prior art of walnut kernel processing method, comprising the steps of (1) peeling off the walnut kernel; (2) drying: adjusting temperature of the microwave oven at 75 deg C to 85 deg C, baking 2min to 3min; (3) coating: coating the surface of the walnut kernel evenly by constant temperature liquid flavoring; (4) roasting: adjusting temperature of the microwave oven at 115 deg C to 125 deg C, baking 1.5min to 3.5min; it is appropriate when the walnut kernel observed is golden, then cooling the walnut kernel at constant temperature to prepare the crispy peel free walnut kernel. The walnut kernel is processed respectively before and after coating by microwave oven at low temperature, which enables the walnut kernel to be crispy in mouthfeel, bright in color and great preservation of the nutritional components. The peel off of the walnut kernel is dipped by low temperature, low concentration sodium hydroxide solution that is changed always, then neutralized by citric acid, finally washed to remove the peel of the walnut kernel.

The present invention discloses forging and rolling technology for large pulley. The forging and rolling process includes hot forging and upsetting steel blank to the required thickness and diameter, die forging to form the hub and spokes, and hot rolling to form the inner circular surface, end surfaces, outer circular surface and slot in circumference of the rim. The present invention also provides the corresponding hot rolling apparatus. The present invention can obtain pulley with high strength, high wear resistance, small internal stress, less deformation and other advantages.

The invention relates to the technical field of service life tests of automobile expansion tank pressure relief covers, in particular to an automobile expansion tank pressure relief cover reliability test method and system. The system structurally comprises an expansion tank installed on a vibration test table fixing support with a vibration device. The expansion tank is provided with a pressure relief cover and connected with a heating device through a pipeline. An air flow sensor is arranged on the pressure relief cover. A temperature sensor connected with a temperature measurement instrument is arranged in the heating device. A pressure sensor connected with a pressure measurement instrument is arranged in the expansion tank. The vibration device, the air flow sensor, the temperature measurement instrument and the pressure measurement instrument are electrically connected with a programmable logic controller. According to the automobile expansion tank pressure relief cover reliability test method and system, the pressure value, the temperature value and time are measured and compared with the standard range of a test tank for judgment, so that whether the pressure relief cover is qualified or not is accurately and visually observed.

The invention discloses a ultrathin piece material microwave drying device. The ultrathin piece material microwave drying device comprises a frame, wherein a microwave inhibitor and a heating device are mounted on the frame; the microwave inhibitor is connected with the heating device; a wave guider is mounted on the heating device; and a microwave magnetron is mounted on the wave guider. The frame comprises a back frame, a middle frame and a front frame connected in sequence, wherein microwave inhibitors are respectively mounted on the back frame and the front frame; a heating device is mounted on the middle frame; and the microwave inhibitors are connected to the two ends of the heating device. The ultrathin piece material microwave drying device can be specifically applied to a rolling method slice production line to dry rolled wet slices as dry slices with stated water content, and can be applied to high-speed drying places of other ultrathin piece materials.

The invention relates to a polymer reactor with a novel structure, comprising a barrel body which is provided with a heat transfer medium inlet and a heat transfer medium outlet, wherein a first tube plate, a second tube plate and a core body positioned between the first tube plate and the second tube plate are arranged in the barrel body; two ends of the core body are respectively supported on the first tube plate and the second tube plate and respectively designed into a nozzle structure, and through holes are arranged on the lateral wall of each nozzle; a plurality of spiral tubes which are sleeved inside and outside and formed by reeling hollow tubes are arranged outside the core body, wherein the rotation directions of hollow tubes of the spiral tubes which are adjacent inside and outside are opposite, one end of the hollow tube of each spiral tube passes through the first tube plate and is then communicated with the heat transfer medium outlet, and the other end of the hollow tube of each spiral tube passes through the second tube plate and is then communicated with the heat transfer medium inlet; the inner end of a first connecting tube is communicated with a nozzle at one end of the core body so as to enable the outer end to be used as a material inlet end; and the inner end of a second connecting tube is communicated with a nozzle at the other end of the core body so as to enable the outer end to be used as a material outlet end. The invention provides the polymer reactor which has small energy consumption as well as full and even heat exchange, can prevent materials from backmixing on the flow direction and realize the temperature region segmentation.

The invention belongs to the technical field of forging of flanges and particularly relates to a process for forging and forming welding neck flanges for connecting pipelines. The process comprises the following steps: blanking, heating, preforming, forming and punching. An intermediate frequency furnace is used for heating blanks; the blanks are firstly preformed and upset into cake shapes afterbeing heated, and then the upset blanks are inversely placed into a forming die and are closed and formed; in the preforming process, a 1000T electric screw press is used for preforming and upsettingcylindrical blanks; then a neck part of a 2500T electric screw press forming die is filled by a punch; and 315T closed single-point punching is used for cutting off the connected skin and blanking. The process has the beneficial effects that accurate discharging is achieved after allowance is added to the finished product; the sizes of the forged products are uniform and controllable; stable batchproduction is realized; the production efficiency is improved; in addition, the effects of saving the cost and reducing the time consumption are achieved; and the the economic benefit is increased.

The invention discloses a heating electrode for a reinforcement heated and upset end. The heating electrode comprises an electrode bracket; a power device and a heating electrode are arranged on the electrode bracket; the power device pushes the heating electrode to move, or pushes the electrode bracket to drive the heating electrode to move; a slide column is arranged on the electrode bracket, and is provided with a spring; the front end of the spring is arranged at the back end of the heating electrode; the back end of the spring is fixed; and a spring located in a compression state applies the spring acting force to the heating electrode. The heating electrode is a floating form, continuously generates the thrust in the heating process, guarantees no release between the electrode and the end surface of a reinforcement due to heating softness of the reinforcement, is uniform and fast in heating, can prevent generation of electric sparks, is high in heating efficiency, only needs the time of about 2 seconds, and improves the machining efficiency.

The invention discloses a biomass fuel particle. The biomass fuel particle is prepared from the following raw materials in parts by weight: 68 to 93 parts of biomass raw materials, 52 to 68 parts of biomass charcoal powder, 42 to 56 parts of bentonite, 23 to 26 parts of dechlorinating agents, 12 to 23 parts of denitrfying agent activating agents, 16 to 23 parts of igniting agents, 13 to 19 parts of combustion improvers, 8 to 16 parts of dewatering agents, 7 to 13 parts of sodium nitrate, 34 to 46 parts of coal slime, 4 to 8 parts of white stone powder and 12 to 15 parts of kyanite. The biomassfuel has the advantages that the combustion value is high; the combustion time is long; after the combustion, no harmful gas and acid gas is discharged; meanwhile, igniting agents and combustion improvers are added; the combustion point of the fuel is greatly reduced; the ignition is easy; bentonite, kyanite and white stone powder are added; the ventilation performance is improved; the heat energy utilization rate is improved. The process requirements are low; the cost is low; the heating speed is higher; the uniformity is higher; the heating drying efficiency is higher.

The invention discloses a preparation method and application of a large-area flexible electric heating sheet. The preparation method at least comprises the following steps: (1) preparing a nano carbon composite film; (2) punching the film; (3) attaching a flexible conductive electrode; (4) laminating a heat-conducting film; and (5) surface flexible base material lamination. In the application, the flexible electric heating sheet prepared by the composite preparation method of the nano-carbon composite film and the multi-layer functional layer film has excellent electric heating performance, meanwhile, the defects of hard texture, obvious foreign body sensation, poor air permeability and the like of some existing electric heating sheets are avoided, and the flexible electric heating sheet has excellent electric heating efficiency and bending and washing resistance, and thus, has a wide development prospect.

The invention relates to a natural gas kiln with combustion atmosphere control and a method for burning a Jian zhan bowl. The natural gas kiln comprises a furnace body, a furnace door, a natural gas combustion system, a sagger, a thermocouple and a PLC automatic control system. The natural gas combustion system is electrically connected with the thermocouple and the PLC automatic control system, the sagger is arranged in the furnace body and forms a closed space, natural gas feeding ports which are arranged in a penetrating mode are formed in the furnace body and the sagger, and the natural gas feeding ports are connected with the natural gas combustion system. The natural gas combustion system is adopted, the high efficiency and environmental protection are achieved, the temperature in the kiln is uniform, the sagger forms the closed space used for accommodating the Jian zhan bowl and further used for building a strong reducing atmosphere, and the technical problem that an existing natural gas kiln can not meet the reducing atmosphere is solved. According to the method for burning the Jian zhan bowl, the reducing atmosphere is controlled by injecting natural gas into the sagger during the reduction and burning process, the automatic control is realized through the temperature control system and the combustion atmosphere, and the production scale of the Jian zhan bowl is expanded.

The invention discloses a preparation method of red fluorescent powder, which comprises the following steps: (1) weighing one part of BaCO3, one part of BaF2, one part of Eu2O3 and four parts of B2O3,pouring the components into a container, and mixing and grinding for 0.5-1.5 hours to obtain mixed powder A; (2) heating the mixed powder A to 600-650 DEG C at a heating rate of 15-25 DEG C/min, keeping the temperature constant, calcining for 6-10 hours to decompose and thermally decompose BaCO3 to generate BaO, heating the mixed powder A to react to form a sintered block B, and grinding to obtain mixed powder B; (3) taking out the mixed powder B after the mixed powder B is cooled; heating to 770-785 DEG C at a heating rate of 15-25 DEG C/min, and calcining for 8-10 hours at the temperature of 770-785 DEG C; taking out and grinding for 6 to 7 times in the period; wherein grinding is conducted for 1-1.5 h each time; wherein the grinding time for each time of taking out is 30-60 minutes; finally, cooling with the furnace to obtain Ba5B4O10F2:xEu<3+> fluorescent powder. The present invention adopts a high temperature solid phase reaction method to prepare Ba5B4O10F2:xEu<3+> (x=0.01, 0.02...0.2) fluorescent powder with different doping concentrations.

The invention discloses an electromagnetic water-heating magnet therapy healthcare mattress, belongs to the field of furniture for bedrooms, and particularly relates to an electromagnetic water-heating magnet therapy healthcare mattress. The electromagnetic water-heating magnet therapy healthcare mattress comprises a water cushion layer, and is characterized in that a labyrinth-shaped vertical separation layer is arranged in the water cushion layer, and a space interval in the water cushion layer is separated into labyrinth-shaped water channels which are mutually communicated by the vertical separation layer; the vertical separation layer is made from a double-layer heat-resistant and waterproof material, and more than three induction heating metal plates are arranged in the middle interlayer of the vertical separation layer; and a spiral high-frequency induction heating coil is arranged below the water cushion layer, and connected with a high-frequency power supply. The electromagnetic water-heating magnet therapy healthcare mattress is capable of uniformly heating, soft, comfortable and not easy to sway, so that the softness characteristic of the water cushion layer can be adequately exerted, and sleeping posture can be effectively improved by virtue of a memory sponge cushion layer, thus acting a good bearing effect on each physiological curved part of human body, and contributing to keeping healthy body contour and bone support; and magnetic sheets can be used for applying a positive magnetic field on the acupuncture points of human body, thus acting a good healthcare effect.

The invention relates to a snow sucking device connection structure of a snow melting vehicle. The snow sucking device connection structure of the snow melting vehicle is arranged between a vehicle body of the snow melting vehicle and a snow sucking device below the vehicle body; the vehicle body is provided with an accumulated snow collection box; the snow sucking device connection structure of the snow melting vehicle is a negative pressure pipeline connected between the accumulated snow collection box and the snow sucking device and is a rigid pipeline; and the rigid pipeline comprises twoor more connection pipelines connected between the accumulated snow collection box and the snow sucking device in a connecting rod form, or comprises a single pipeline hinged between the accumulated snow collection box and the snow sucking device, wherein every two adjacent connection pipelines are mutually hinged. The snow sucking device connection structure is connected between the accumulated snow collection box and the snow sucking device in the connecting rod form, thus when the snow sucking device ascends or descends, the rigid pipeline can make corresponding movement to achieve the sameeffect as a flexible pipeline, but the rigid pipeline is not sucked to be flat due to the excessive pressure of the negative pressure pipeline.

A heating device used for pipe orifice preheating is mainly used for preheating a pipe orifice before pipeline welding construction, and mainly comprises an induction coil, a sb frequency conversion power source, a temperature sensor, a thermal insulation material, a flexible shell and a temperature control device. After being mounted on the thermal insulation material, the induction coil is encapsulated in the flexible shell, then after circumferential wrapping is carried out along a pipeline, the sb frequency conversion power source is turned on, and after intermediate frequency electricity is output into the induction coil through the sb frequency conversion power source via power frequency electricity, vortexes are formed in a pipeline body to achieve heating. The temperature control device controls output of the sb frequency conversion power source according to the set temperature required by pipe orifice preheating and the real-time temperature measured by the temperature sensor. The thermal insulation material achieves the function of thermal insulation on the induction coil. The heating device has the advantages of being reasonable in structure, safe, reliable, convenient to use and free of disturbance of outside temperature.

The invention relates to the technical field of heating plates, particularly to a manufacturing method of a far-infrared heating plate containing single-layer and multi-layer graphene materials. The far-infrared heating plate comprises a heating film, single-layer graphene, multi-layer graphene, silver-plated nickel powder, electronic paste glass powder, polyurethane resin, a silane coupling agent, isopropanol and a non-metal plate, wherein the heating film is composed of the following components in percentage by mass: 10% of single-layer graphene, 15% of multi-layer graphene, 15% of silver-plated nickel powder, 35% of electronic paste glass powder, 20% of polyurethane resin, 2% of silane coupling agent and 3% of isopropanol. According to the manufacturing method of the far-infrared heating plate containing the single-layer graphene material and the multi-layer graphene material, electric energy is directly converted into heat energy by adopting a non-metal carbon material, generationof light energy and mechanical energy is refused, the electricity and heat conversion efficiency is improved, the generated heat mainly depends on radiation transmission, and the electricity and heatradiation conversion efficiency is effectively enhanced; and the far-infrared non-metal heating plate is a planar heating body and is high and uniform in heating speed.