152 results about "Thermal wind" patented technology

The invention relates to the technical field of control on production equipment, and particularly relates to an intelligent control system for a vertical mill based on a fuzzy PID (proportion integration differentiation) algorithm. The intelligent control system comprises the vertical mill, a dust remover and a feeding device, wherein the feeding device comprises an unloader, a bucket elevator and a storage bin; and the intelligent control system is characterized in that an air inlet in the bottom of the vertical mill is connected with a fan via a pipeline, a cold-air device and a hot-air stove are arranged on the pipeline between the air inlet and the fan, a cold-air adjusting valve and a hot-air adjusting valve are respectively arranged on the cold-air device and the hot-air stove, a vertical mill material layer PID controller is arranged on the feeding device, and an in-mill pressure difference fuzzy PID controller is arranged on the cold-air adjusting valve. According to the intelligent control system disclosed by the invention, mathematical models of the change of the vertical mill material layer thickness and an in-mill pressure difference along with parameters of a feeding amount, a mill inlet hot-air temperature and the like can be established only by inputting and outputting data without analyzing the complex grinding process of the vertical mill; and the intelligent control system is simple in process, high in adaptability, fast in the dynamic response time of a controller algorithm, high in robustness, high in control accuracy, and good in market prospect.

The invention provides a constant wind temperature control system for a hot blast stove, comprising the hot blast stove (2), a detection element, a regulating valve, a data acquisition unit (1) and a computer (26). The control method of the control system comprises the following processes: detection of fluid parameters and valve location signals, data acquisition, data transmission, data comparison and data correction and control adjustment, wherein the detection element and the regulating valve are arranged in a pipeline, and temperature measuring equipment is arranged on the surface of a stove body. Specific steps are as follows: dynamically calculating parameters such as the heat storage capacity of checker bricks, temperature-rise ratio, theoretical wind temperature and the like during the combustion process, and carrying out on-line adjustment of parameters such as combustion air and gas flow, preheating temperature and the like; controlling direction change of the hot blast stove by the highest setting temperature of the checker bricks, a stove top and fume; and during the air supply period, taking hot blast temperature control as a target to determine an air supply curve and air supply time. The method based on calculation of dynamic balance of on-line energy of the hot blast stove effectively controls the heat storage capacity of the checker bricks of the hot blast stove, adjusts air supply quantity and air supply time, and ensures stable output of wind temperature of the hot blast stove.

A thermal wind power generator uses thermal wind of household chimney to generate electrical power. The thermal wind power generator includes a rectangular hood as main body and is arranged on a smoke outlet of a chimney. The hood includes a projected space of inverse funnel shape to collect thermal wind in the chimney. A wind opening is defined at center of the projected space and a blade is arranged at the opening. The blade is electrically connected to a power generator. The hot air flows upward and is collected into the hood to drive the blade. The mechanical momentum of the blade is sent to the power generator.

The invention relates to the technical field of household appliances, in particular to a vertical air conditioner indoor unit and a control method of the indoor unit. The vertical air conditioner indoor unit comprises a unit machine shell, a head, a first wind scattering plate and a second wind scattering plate; therefore, when an air conditioner works, the first wind scattering plate and the second wind scattering plate are controlled to rotate through a drive device, and when the first wind scattering plate rotates to the first wind outlet end, and the second wind scattering plate rotates to the second wind outlet end, the first wind scattering plate and the second wind scattering plate jointly block a wind outlet; due to the fact that a plurality of wind scattering holes are formed in the first wind scattering plate and the second wind scattering plate, the airflow blown to the wind outlet through a wind way assembly can be blown out through the wind scattering holes in the first wind scattering plate and the second wind scattering plate; due to the small size of the wind scattering holes, when the airflow passes through the wind scattering holes, the airflow is dispersed into much tiny silky air to be spread indoors, a user does not need to be blown by cold air or hot air directly, and can feel the cold sense or hot sense in a room, and the user feels more comfortable.

The invention discloses a wind tunnel operation control system based on a distributed architecture, which belongs to the technical field of aerospace ground thermal insulation tests, so as to controleach part in a combustion-gas flow thermal wind tunnel test system to realize thermal examination on a spacecraft thermal protection structure. The distributed control architecture is used, each control subsystem of the wind tunnel has an independent controller, operation control is carried out on a corresponding device, coordination of the whole action is realized through a top-layer master control command and dispatch subsystem, the whole wind tunnel system is ensured to act in a coordinated and orderly mode, software and hardware supports are provided for stable operation of the wind tunnelsystem, and a technical support is provided for condition monitoring and timing control on the equipment.

The invention discloses a plastic film granulator, which comprises a granulator body, a main motor and a control switch. The plastic film granulator is characterized in that the upper right part of the granulator body is provided with a main shaft; the main shaft is provided with a tooth-shaped circular cutter, a striping knife roll driving synchronous belt pulley, a flower-shaped press roll driving synchronous belt pulley and a driven belt pulley in turn from the front to back; the underside of an upper striping knife roll is provided with a lower striping knife roll; the underside of an upper flower-shaped press roll is provided with a lower flower-shaped press roll; and the left side of the upper flower-shaped press roll is vertically provided with an upper thermal wind catcher and a lower thermal wind catcher side by side. The plastic film granulator solves the problems that the prior granulation equipment is easy to cause plastic ageing and cause secondary pollution and the like, and is suitable for regenerating and granulating reclaimed plastic films.

The invention relates to an energy-saving building for generating electricity by utilizing solar thermal wind, and belongs to the technical field of the manufacture of novel energy-saving buildings. The energy-saving building consists of a cylindrical building main body, a transparent layer, a heat absorption layer, a hot airflow channel, a worm-wheel shaft sleeve, a shaft sleeve support, a worm-wheel shaft, a worm wheel and a generator, wherein the transparent layer is connected with the cylindrical building main body; the heat absorption layer is arranged on the inner wall of the transparent layer; the heat absorption layer rolled into a cylindrical shape forms the hot airflow channel; the worm-wheel shaft sleeve is connected with the shaft sleeve support which is connected with the heat absorption layer; and the inside of the worm-wheel shaft sleeve is provided with the worm-wheel shaft of which one end is connected with the worm wheel and the other end is connected with the generator. When the energy-saving building is used, after the transparent layer is radiated by sunlight, infrared rays in the sunlight pass through the transparent layer and reach the heat absorption layer, air in the hot airflow channel is heated to become light and is raised in the hot airflow channel, cold air enters the channel for supplementation through a gate on the bottom layer of the building, and the raising hot airflow pushes the worm wheel to rotate so as to drive the generator on the worm-wheel shaft to rotate for generating the electricity. The energy-saving building has the advantages of reasonable design, simple structure, convenient use and the like.

The invention discloses a fruit and vegetable drying machine, and belongs to the field of drying of agriculture products. The fruit and vegetable drying machine comprises a drying chamber, wherein a feeding opening is formed in the top of the drying chamber; a distributing device is arranged at the upper part of the inner part of the drying chamber, corresponding to the feeding opening, and can beused for uniformly tiling materials on a plurality of feeding turning plates which are sequentially arrayed; a lifting supporting mechanism is arranged on the lower side of each feeding turning plate, and is in transmission connection with a lifting driving device; a discharging channel allowing the materials to fall is reserved on each lifting supporting mechanism; at least one layer of drying supporting layers which are vertically arrayed at intervals are arranged under the distributing device, in the drying chamber; each drying supporting layer comprises a plurality of drying turning plates which are sequentially arrayed; each drying turning plate is rotatably connected to the drying chamber by the corresponding drying rotating shafts; each set of the drying rotating shafts are in transmission connection with the corresponding overturning driving device; and a discharging mechanism is arranged at the bottom of the drying chamber. According to the fruit and vegetable drying machinedisclosed by the invention, the overall length of the turning plates can be opened, and materials on each layer are safely transmitted level by level, so that the situation that the materials are sufficiently in contact with thermal wind is guaranteed, and the materials are sufficiently dried.

The invention relates to a technique to extract effective constituents form tea leaves. The process is capable to achieve high extraction rate and the quality of extracted aromatic oil is high, the processing technique is simple, the cost is low, and can be applied to massive production easily. In terms of the technical proposal, the aromatic oil is extracted from tea leaves through the following process: A. fresh tea leaves are evenly spread in the sun and dried to green; B. the fresh leaves dried to green are moved into a curing room equipped with natural ventilating facilities and maintained for 6-15 hours under normal temperature; C. the leaves are put into a steamer for distillation. Tea greenness deleting machine is adopted to delete greenness for 2-3 passes during the curing process. The fresh tea leaves undergone curing under normal temperature are processed into dry tea leaves after nzyme deactivation and drying, and then put into the steamer for distillation again; D. the nzyme deactivation process adopts traditional technique; E. intermediate thermal-wind is adopted for drying; F. the distillation duration increases 30-60 minutes compared with distillation of fresh leaves. When the dried tea leaves are distilled in the steamer, the tea dusts, tea stalks and pruned leaves are mixed and distilled.

The invention relates to the technical field of drying of food grains, in particular to a food grain drying system through a heat pump. The system comprises a drying tower, a heat pump device, a thermal wind input device and a wet wind output device, wherein the heat pump device comprises a heat pump evaporator, a heat pump cycle wind chamber, a heat pump condenser and a heat pump compressor; the heat pump evaporator, the heat pump cycle wind chamber and the heat pump condenser are sequentially connected; the heat pump cycle wind chamber communicates with the heat pump compressor; the thermal wind input device comprises a thermal wind mixing chamber and a thermal wind transfer pipeline which are sequentially connected with the heat pump condenser; the wet wind output device comprises a wet wind output pipe, a dust removal collecting chamber and a wet wind mixing chamber which are sequentially connected with the drying tower. According to the food grain drying system through the heat pump, provided by the invention, the drying tower, the heat pump device, the thermal wind input device and the wet wind output device form a closed cycle energy recovering structure of dried cycle wind, and the purpose of drying food grains in an environmentally-friendly, energy-saving and efficient manner is achieved.

The invention discloses a thermal wind speed sensing device capable of performing zero compensation automatically. The device comprises an upper sensor chip, a lower sensor chip, a top casing, a bottom casing, support column bodies, a lower support platform and an upper support platform. The upper sensor chip is embedded at the bottom of the upper support platform, and the lower sensor chip is embedded at the top of the lower support platform; and the upper sensor chip is a wind speed sensor chip in a constant-temperature-difference mode, and the lower sensor chip is a wind speed sensor chip in a constant-power mode. A method for measuring wind speeds through the thermal wind speed sensing device comprises placing a thermal wind speed sensing device at a place of a wind speed to be tested; performing measurement, wherein the upper sensor chip works in a constant temperature difference working mode, the lower sensor chip works in a constant temperature working mode, and a single-chip microcomputer system measures and calculates wind speeds; and performing next measurement. The thermal wind speed sensing device can perform zero compensation automatically when used for measuring the wind speeds and has the advantages of being accurate in measurement and wide in wind speed measurement range.

The invention discloses a concentrating photovoltaic-photo-thermal-wind power-thermoelectricity integrated system and belongs to the technical field of solar comprehensive utilization. The integrated system comprises a photovoltaic photo-thermal temperature difference power generation boiler, a concentrating type solar cooker, a solar cooker and boiler support, a ventilation duct, a wind power generating set, solar battery assemblies and a thermal insulation water bin. Solar cell pieces are arranged at the top and the bottom of the photovoltaic-photo-thermal temperature difference power generation boiler for photovoltaic power generation, the concentrating type solar cooker is used for collecting solar energy and reflecting the solar energy to a heat transfer alloy block in the center of the bottom of the photovoltaic-photo-thermal temperature difference power generation boiler, so that water in the boiler is heated, and the heated water automatically enters the thermal insulation water bin for thermal insulation. Meanwhile, the wind power generating set collects wind energy for power generation, the collected wind further cools the solar cell assemblies, and the solar battery assemblies also performs photovoltaic power generation. Solar energy and the wind energy are efficiently collected for power generation, so that comprehensive utilization of clean natural resources is greatly improved.

The invention discloses a high-density polyethene micro porous membrane and a preparation method therefor, and belongs to the field of a film material. The method comprises the steps of: mixing raw materials, melting the mixed raw materials to form thick sheets, and then stretching the thick sheets twice: (1) stretching the thick sheets for the first time: preheating the thick sheets at the temperature of 40-130 DEG C, performing longitudinal stretching under the effect of thermal wind at 90-130 DEG C, wherein the stretching multiple rate is 1-10, and then performing heat shaping so as to obtain the films; (2) performing stretching for the second time: performing lateral uniaxial stretching or vertical and lateral bisynchronous stretching on the films prepared in the step (1) under the effect of thermal wind at 70-110 DEG C, maintaining stretching state for 2-4 minutes, wherein the multiple rate of lateral uniaxial stretching is 1-10, and the total multiple rate of vertical and lateral bisynchronous stretching is 4-16; and then, performing heat shaping so as to obtain finished products. According to the preparation method, in the stretching process, under the effect of thermal wind, a hole forming agent is rapidly volatilized from the films so as to form a micropore structure in mutual penetration, so that an extraction technology is omitted, the consumption of an extracting solvent is further reduced, the cost is reduced and the technological process is simplified.

The invention relates to a camellia oleifera fruit hulling treatment method through flotation separation. The camellia oleifera fruit hulling treatment method comprises the following steps of (1) throwing fruits: throwing fresh picked camellia oleifera fruits into a fruit throwing machine, thoroughly polishing camellia oleifera fruit shells, and performing extrusion and dispersion so as to obtain a camellia oleifera seed and camellia oleifera fruit shell mixture; (2) performing conditioning: performing air-drying transportation on the camellia oleifera seed and camellia oleifera fruit shell mixture obtained in the step (1) at thermal wind of 40-100 DEG C for a transportation period being within 30min, or performing microwave transportation at low frequency being 300MHz-915MHz for a transportation period being within 2min, so that the moisture of fruit shells is maintained to be 30-60%; (3) performing flotation: putting the camellia oleifera seed and camellia oleifera fruit shell mixture obtained in the step (2) into flotation fluid, wherein the density of the flotation fluid is 1-1.1g/cm<3>, enabling camellia oleifera seeds to sink, enabling fruit shells to float upwards, and separately fishing out the camellia oleifera seeds and the fruit shells so as to realize separation; and (4) performing baking: putting the camellia oleifera seeds obtained in the step (3) into a baking machine of 40-100 DEG C, performing thermal wind drying for the time of 30-90min, and removing surface moisture. The method is simple in technological processes, low in requirements for technological conditions, simple in equipment, and small in flour space, and continuous unrestricted mass production can be realized.

The invention belongs to the technical field of cell resuscitation, and discloses a cell resuscitation instrument. The cell resuscitation instrument comprises a body, an upper cover, a vibrating mechanism, a heated tray and a thermal wind heating device, wherein a working cavity is formed in the body; the upper cover is connected to the body to open or close the working cavity; the vibrating mechanism is arranged in the working cavity; the heated tray is connected to the vibrating mechanism; a plurality of placing grooves for placing cell frozen storage containers are formed in the heated tray; and the thermal wind heating device is arranged in the working cavity, and is used for blowing thermal wind to the heated tray and the cell frozen storage containers. According to the cell resuscitation instrument disclosed by the invention, through the vibrating mechanism, the heated tray is driven to sway, so that cells in the cell frozen storage containers are uniformly heated, and quick thawing is realized; a plurality of cell frozen storage containers can be borne by the heated tray in one time, so that the resuscitation efficiency of the cells is improved; and through the thermal windheating device, thermal wind is blown to the heated tray and the cell frozen storage containers, so that the cell frozen storage containers are heated, heat quantity is conducted to the inner cells, quick warming can be realized, and cell resuscitation can be efficiently realized.

The invention discloses an optimal scheduling method for promoting wind power consumption by utilizing a photo-thermal power station. The method comprises the following steps: firstly, a photo-thermal-wind power system structure containing a thermal storage system and an electric heating device is in combined grid-connected operation with a wind power plant; secondly, with the lowest system comprehensive cost as an objective function, through constructing a mathematical model of the photo-thermal power station in detail, utilizing the schedulability of a thermal storage system, the absorptivecapacity of an electric heating device and the good adjusting characteristic of a photo-thermal unit, a wind power optimization model is established; and finally, on the premise that the system cost is not increased, optimal scheduling is performed on the power system by using the model. According to the technical method, the adjusting capability of the system can be improved, the wind power consumption is promoted, the occurrence of wind power climbing events is reduced, and the safety stability and the operation economy of the power system are improved.

The invention discloses a virtual test apparatus for a thermal wind speed sensor in absence of a wind tunnel. Thermal probes for precise temperature control are adopted to apply temperature difference signals directly to the surface of a sensor, thereby simulating the influence of actual wind speed. The apparatus can conveniently collect, analyze, process, display and store a lot of test data of a thermal wind speed sensor, thus providing a basis for automatic test and calibration of the thermal wind speed sensor. The advantage and technical effects of the apparatus are that: computer software and hardware resources and apparatus hardware are combined as a whole body, the great calculating processing capability of a computer and the measuring and control capability of the apparatus hardware are combined to be a system, parameter setting and data collection of test software are simple and feasible, and analysis and processing functions are flexible, so the test efficiency for the thermal wind speed sensor is greatly improved, and the test cost is reduced.

The invention relates to the technical field of sensors, in particular to an array wind speed and direction sensor and a manufacturing method thereof. The array wind speed and direction sensor comprises an upper cover and a bracket that are fastened together. The bracket is provided with a ceramic circuit board. The center of the bracket is provided with a second ventilation tube. The ceramic circuit board is provided with a plurality of thermal sensitive flow chips which are arranged in an array structure. The positions of the plurality of the thermal sensitive flow chips correspond to the positions of a plurality of vent holes on the upper cover one to one. The first ventilation tube of the thermal sensitive flow chips extends out of the second ventilation tube. A wire disposed in the second ventilation tube is connected to the thermal sensitive flow chips. At least for thermal sensitive flow chips are disposed. The array wind speed and direction sensor solves the problem that a thermal wind speed and direction sensor is insufficient in wind direction measurement, and greatly reduces the measured wind speed deviation.

The invention discloses a constant temperature elevator lift car. The constant temperature elevator lift car comprises a lift car body, an air conditioning system and a ventilation system, wherein the air conditioning system comprises an air conditioner principal machine, an air inlet, an exhaust fan, a heat exchange mechanism, a first temperature sensor and a second temperature sensor; the start and stop and operating power of the air conditioner principal machine are controlled by itself according to the temperature difference fed back by the first temperature sensor and the second temperature sensor and a preset target temperature; the ventilation system comprises an air intake fan and an air exchange mechanism; a pulling force sensor is arranged on a lifting steel rope of an elevator; and when the pulling force sensor reaches a preset numerical valve, the air intake fan is started. The constant temperature elevator lift car has the beneficial effects that the interior of the lift car is ventilated and cooled by the heat exchange mechanism provided with refrigerant pipes, the temperature in the lift car can be stably adjusted, the direct impact of cold air/hot air on people taking the elevator is reduced, and the taking experience is improved.

The invention discloses a vaporization device. The vaporization device comprises a housing with a hollow cavity, a feeding opening formed in the top of the housing, a plurality of discharging openingsformed in the top of the housing, a thermal wind pipe which extends into the hollow cavity through the feeding opening, an atomizing nozzle located in the thermal wind pipe, a compressed air pipelineand a hydrogen peroxide solution pipeline which communicate with the atomizing nozzle, a fin pipe which is located below the thermal wind pipe, in the hollow inner cavity, a first heating mechanism enabling high-temperature steam to penetrate in and out of the fin pipe, and a fan cover of which the upper end is connected to the lower end of the thermal wind pipe, and which is used for covering the fin pipe, wherein a gap allowing hydrogen peroxide solution steam to flow upwards to the discharging openings is formed between the fan cover and the inner surface of the housing. According to the vaporization device disclosed by the invention, after being atomized, hydrogen peroxide is reheated to obtain hydrogen peroxide steam, so that energy consumption is relatively low; the hydrogen peroxide steam firstly is in contact with the inner bottom surface of the housing, and then flows upwards to the discharging openings, so that the condensation water carried when the hydrogen peroxide steamflows upwards is greatly reduced, the hydrogen peroxide steam is dry, and the disinfection effect is relatively good.

The present invention provides a cooking method by utilizing hot wind in heating assistance. The cooking method herein employs a combination of a main heater and an auxiliary heater, wherein the main heater and the auxiliary heater have different heat sources, and the auxiliary heater includes a hot wind heater. The cooking method of the invention comprises the following steps: (1) start a cooking utensil and call in a cooking program; (2) start the main heater which supplies heat to the cooking utensil body from below;(3)put cooking objects to the cooking utensil; (4) periodically employ the hot air heater once or more than once during cooking process so as to lead the hot air flow into the cooking utensil and supply direct heat to the cooking objects inside the cooking utensil; (4) after periodical heating, close the hot wind heater or decrease heating power of the hot wind heater. The cooking method makes good use of the advantages of hot wind direct heating, and makes up the defects of traditional cooking methods. The cooking method has effects like stero, rapid and even heating, rapid maturing, rapid water locking, excellent surface process and moisture removal, etc.

The invention provides a wind driven generator icing weather resistance experimental system and method. The wind driven generator icing weather resistance experimental system and method are used for achieving the purpose that in the prior art, the energy of removing the attaching ice on fan blades needs to be researched. The system comprises a wind driven generator blade simulation device, an environmental simulation device and a heat energy consumption testing device. The heat energy consumption testing device provides the heat and tests the situation of temperature changes of the hot air existing before and after the attaching ice drops. The wind driven generator blade simulation device comprises an experimental cavity, a blade and a servo motor. The blade is arranged in the experimentalcavity through a rotating support. The end, connected with the blade, of the rotating support is arranged in the experimental cavity, and the other end of the rotating support is connected with the output end of the servo motor. The rotating support is driven by the servo motor to rotate so as to drive the blade to rotate. By the adoption of the wind driven generator icing weather resistance experimental system and method, the attaching ice removal force or amount under different natural conditions can be tested, and the result is more reliable.