64 results about "Dry heat" patented technology

The invention discloses an automatic shell-making wire environment simulation system. The system comprises an environmental parameter testing unit, a heat and mass transfer model establishing unit and an optimization processing unit. The environmental parameter testing unit is used for testing environmental parameters influencing the drying process of the shell-making drying cabin through testing equipment, evaluating the uniformity of airflow in the drying cabin and the change condition of the environmental parameters, and sending testing and evaluating results to the heat and mass transfer model establishing unit; the environmental parameters at least comprise wind speed. And the heat and mass transfer model building unit is used for building a shell drying heat transfer model and a shell drying mass transfer model, evaluating the shell drying heat transfer model and the shell drying mass transfer model based on the model expression indexes after building is completed, and analyzing the influence of the environmental parameters on shell heat transfer and mass transfer based on the information transmitted by the environmental parameter testing unit. And the optimization processing unit is used for introducing the influence of load, airflow in the drying cabin and air into the established shell drying heat transfer model and shell drying mass transfer model for simulation and optimization.

The invention relates to the technical field of dry-type heat exchanger equipment, in particular to a dry-type heat exchanger assembly for a water chiller, which comprises a front shell and a rear shell which are detachably connected through bolts. A supporting frame is fixedly arranged in the rear shell, the supporting frame is connected with the inner wall of the rear side of the rear shell through four fixing rods, a coil pipe is erected, and the coil pipe is sleeved with a plurality of fins. A cleaning mechanism is arranged at the top of the rear shell, comprises a supporting block, a sliding block, a brush plate and a driving assembly and is used for automatically cleaning dust on the surfaces of the coil pipe and the fins. A ventilation hole is formed in the front side wall of the front shell, a fan is installed, a dust filtering mesh cover capable of being conveniently disassembled is arranged, a groove is formed in the rear side of the dust filtering mesh cover and slidably connected with the sealing strip in an inserted mode, and clamping grooves in the two sides are matched with a clamping mechanism to achieve rapid assembly and disassembly. Impurities are effectively intercepted through the dust filtering mesh cover and the clamping mechanism, and the pollution speed and the cleaning frequency of the heat exchange coil pipe are reduced; meanwhile, an automatic cleaning and blowing system is integrated, the cleaning efficiency is improved, and the heat exchange effect and the continuous operation reliability of equipment are guaranteed.

The invention provides a continuous forming production line for a non-electroplating golden imitation metal PET sheet, and belongs to the technical field of golden imitation metal PET sheet production. Comprising a processing chamber and a cleaning chamber, the processing chamber and the cleaning chamber are communicated and form the front portion of the production line, and a dust-free area and an air arch area are arranged in the processing chamber. By arranging the self-adaptive drying device and the wind power generation device, plasma wind generated by the wind power generation device and external airflow are mixed and blown to a heated metal net, a cleaning agent on the surface of a base material is dried, meanwhile, in the drying process, the self-adaptive drying device can enable drying heat to be dynamically matched with the humidity of the base material, and the drying efficiency is improved. And meanwhile, positive and negative charges in the air flow can neutralize metal dust with charges on the surface of the base material, remove static electricity on the surface of the base material and blow off the metal dust on the surface of the base material, so that the effect of secondarily cleaning the base material is achieved, and the machining precision of a final product is improved.

The utility model discloses a metal matrix composite material drying and heat preservation device, particularly relates to the technical field of drying and heat preservation, and comprises a drying box, a plurality of drying lamps are arranged at the top of the inner wall of the drying box, mounting plates are arranged on the two sides of the inner wall of the drying box, and a plurality of grooves are formed in one side of each mounting plate. And heating resistance wires are arranged in the multiple grooves, a containing plate is arranged at the bottom of the inner wall of the drying box, and a containing mechanism is arranged on the front side of the drying box. Through the arrangement of the placing mechanism, when the metal-based composite material is placed in the drying box for drying and heat preservation, an operator does not need to manually clean the surface of the metal-based composite material; instead, a brush plate and a blowing connecting pipe in the placing mechanism can be used for cleaning in the process of placing the metal-based composite material in the placing mechanism, so that the use convenience of the device is obviously improved.

The utility model discloses a heat stress simulation open top box, and relates to the technical field of forestry and plant ecology. The heat stress simulation open top box comprises a first FRP sunlight plate (fiber reinforced plastic plate), the top of the first FRP sunlight plate is provided with a closing mechanism, and the top of the first FRP sunlight plate is provided with a transmission mechanism. According to the heat stress simulation open-top box, the temperature in the first FRP sunlight plate can be controlled by arranging a rotating ring, firstly, when an air temperature sensor senses that the temperature in the first FRP sunlight plate is low, a temperature intelligent controller starts a motor to drive a lead screw to control the second FRP sunlight plate to rotate, the second FRP sunlight plate is subjected to screwing and closing-up treatment, and the heat stress simulation open-top box is formed; when the air humidity sensor senses that the air humidity in the first FRP sunlight plate is high, the dehumidifier is started through the humidity intelligent controller to reduce the air humidity, and the device can conveniently control the temperature and humidity in the first FRP sunlight plate to achieve the purpose of simulating dry and hot and humid and hot environments.

The application is suitable for the technical field of household appliances, and provides a drying module and a clothes processing device. The drying module comprises a main drying air duct and a moisture absorption and removal assembly arranged in the main drying air duct and used as a drying heat source. The moisture absorption and removal assembly is used as the drying heat source in the main drying air duct, so that the condenser of an additional heat pump system in the main drying air duct is saved, the structural complexity and cost of the clothes processing device are simplified, the moisture absorption and removal assembly absorbs water vapor in air in the main drying air duct, the dehumidification efficiency in the main drying air duct is improved, the released adsorption heat in the moisture absorption process is used for heating the air in the main drying air duct, the air entering the drum is kept in a suitable temperature range, a complicated temperature control structure is not needed, the structure is simplified and the cost is reduced, and low temperature and high drying efficiency are maintained.

The invention discloses an intelligent thermal shrinkage rate detection all-in-one machine and method for customizing garment fabric, and belongs to the technical field of customizing garment fabric detection.The intelligent thermal shrinkage rate detection all-in-one machine for customizing garment fabric comprises a detection box, and the inner wall of the detection box is of a heat insulation and preservation structure; a boiling water detection cabin, a dry heat detection cabin and a damp heat detection cabin are arranged in the detection box, the dry heat detection cabin is arranged at the top of the boiling water detection cabin, and the damp heat detection cabin is arranged at the side edge of the dry heat detection cabin; heating parts are arranged at the bottoms of the boiling water detection cabin and the dry heat detection cabin; one side of the boiling water detection cabin, one side of the dry heat detection cabin and one side of the damp heat detection cabin are provided with long-strip-shaped openings, cabin doors are correspondingly arranged at the position of the detection box, cloth to be detected is arranged in the detection box, the detection box is of a square structure, the top of the detection box is of an open structure, and the bottom of the detection box is of a screen structure capable of ventilating or passing water.

The utility model discloses detection equipment for quick-drying heat dissipation fabric, which comprises a detection frame, water spraying simulation devices are mounted on the upper side and the lower side of the detection frame, and a heat dissipation fabric pressing device is mounted at the lower end of the detection frame. According to the utility model, the heat dissipation fabric is pressed and fixed by installing the heat dissipation fabric pressing device, and the heat dissipation fabric is further pressed by the first semicircular raised lines and the second semicircular raised lines which are arranged up and down and staggered, so that the heat dissipation fabric is prevented from being pulled down due to the gravity of water during water spray detection; the wetting condition of the heat dissipation fabric in rainy days is simulated through water sprayed by the water spray nozzles and air blown out by the fan, the humidity of the heat dissipation fabric is recorded according to time changes, the heat dissipation fabric is dried through the additionally-arranged hot-air blower, the height of the hot-air blower is changed by adjusting the air cylinder, and then the temperature change is changed. And the drying condition of the heat dissipation fabric is recorded according to different temperatures.

The invention discloses a fabric drying thermal power intelligent control method and system based on moisture rate feedback driving, and relates to the field of thermal power intelligent control. Firstly, data such as the fabric running speed, the current thermal power and the outlet actually-measured moisture rate are collected, and the fabric drying process is dynamically deduced through an algorithm model based on a self-adaptive predictor; therefore, the time-delay-free predictive tidal rate without the influence of the transmission time delay is obtained. And on this basis, a decoupling error between the time-delay-free predicted moisture rate and a set target moisture rate is calculated, the error is input into a PID controller for operation, and an accurate thermal power adjustment amount is calculated to drive a heating actuator. In the process, time domain dislocation caused by physical distance is effectively overcome, repeated adjustment and energy waste caused by feedback lag are avoided, and the stability of drying control and the consistency of product quality are remarkably improved.

This utility model relates to a drying heat recovery device applied in the field of drying technology. It includes a heat exchange component, a condensation component fixedly connected to the lower end of the heat exchange component, and a condensate tank fixedly connected to the lower end of the condensation component. The heat exchange component includes a mounting shell, with an air inlet and an air outlet fixedly connected to the upper end of the mounting shell. The air inlet is located to the left of the air outlet. A partition is fixedly connected to the inner cavity of the mounting shell, dividing the mounting shell into two channels: a cooling channel on the left and a heating channel on the right. By adding a phase change substance inside the heat pipe, the synergistic effect of phase change heat transfer and tube bundle condensation effectively achieves the graded recovery of sensible and latent heat in the drying exhaust gas. This lowers the dew point of the recovered water vapor gas, allowing it to reabsorb moisture from the material and recirculate into the dryer to dry the material. This allows some of the residual heat to be used again in the dryer, further improving the latent heat recovery effect.

The application discloses a kind of water-soluble pulp dot array dynamic drying device and method, it is related to water-soluble pulp production technical field.The present application mainly includes dryer, exhaust pipe, first shunt branch pipe, second shunt branch pipe, humidity treatment pipe, gas collecting tank, hot air return pipe, backflow branch pipe, injection branch pipe and the like structure.The present application is injected by external injection pipe external dry air flow, according to the moving direction of water-soluble pulp and carries out step-by-step temperature rising type horizontal air flow drying, and heated dry air flow is discharged through exhaust pipe, and carries out humidity detection, and the hot air flow that meets the drying requirement is introduced into gas collecting tank, and carries out secondary temperature detection, according to the air flow reference temperature required by each drying air flow guide groove, carries out the highest standard hot air flow recycling, to improve the drying efficiency of water-soluble pulp, also guarantee the drying forming quality of water-soluble pulp, also relatively efficient recycling of dry heat energy lost.

The invention discloses a waste heat flue gas sludge drying system and a control method thereof.The system comprises a drying box and further comprises a control module, and the control module correspondingly controls a conveying belt and a surge tank according to real-time detection results of an inlet temperature detection device, an outlet temperature detection device and a humidity detection device; waste heat flue gas is introduced into the flue gas channel in the drying box, sludge to be dried is conveyed to the conveying belts at all positions in the drying box, sludge drying is achieved through the drying heat exchange process of the sludge in the drying box and the waste heat flue gas in the flue gas channel, and redundant heat energy of the waste heat flue gas is effectively utilized; according to the sludge drying device, the sludge is effectively dried, consumption of redundant heat energy is reduced, meanwhile, high carbon emission and high operation cost caused by depending on steam, natural gas or coal-fired boiler heat supply are reduced, the effective drying cost is low, and carbon emission pollution can be effectively reduced.

A system and method separate a process fluid stream into a liquid phase carbon dioxide stream and a carbon dioxide depleted stream containing a remaining light gas. The systems and methods use a drying heat exchanger to contact a process fluid stream with a dryer contact liquid to remove moisture from the process fluid stream. The gaseous process fluid stream is separated from the wet dryer contact liquid stream and directed to an extraction heat exchanger where it is contacted with an extraction contact liquid such that carbon dioxide is removed from the process fluid stream while forming a processed process fluid stream and a carbon dioxide enriched extraction contact liquid stream.

A dry-wet combined heat exchange device includes a rack, a plate-shaped dry heat exchanger and a plate-shaped wet heat exchanger. A placement cavity is formed in the rack. A first ventilation opening extends vertically through the top of the placement cavity, and a second ventilation opening extends horizontally through one or more sides of the placement cavity. The plate-shaped dry heat exchanger is obliquely arranged in the placement cavity to divide the placement cavity into an upper cavity and a lower cavity, and has an upper plate surface facing the first ventilation opening and a lower plate surface facing at least one second ventilation opening. The plate-shaped wet heat exchanger is disposed at and transverse to the first ventilation opening and / or at least one second ventilation opening.

The present application belongs to the technical field of heating equipment, and discloses a system and method for heating by utilizing the heat of flue gas of a heating furnace. The system comprises a heating furnace and a waste heat utilization device. The heating furnace comprises a furnace body and a furnace core fixedly arranged in the furnace body. The waste heat utilization device comprises a dry heat dissipation module and a heat absorption water tank module. The dry heat dissipation module comprises an upper heat dissipation tank, a lower heat dissipation tank and a heat dissipation pipe. The heat absorption water tank module comprises a heat exchange tank and a flue gas heat dissipation tank. A water jacket is formed between the inner wall of the heat exchange tank and the outer wall of the flue gas heat dissipation tank. A plurality of water pipes are fixedly arranged in the flue gas heat dissipation tank and are in communication with the water jacket. The method comprises adapting different fuels by setting different furnace cores and furnace cans, and adapting different heat utilization scenarios by selecting and matching the dry heat dissipation module and the heat absorption water tank module. The present application has the advantages of flexible adaptation to different fuels and different heat utilization modes, free combination according to real-time requirements, high practicability and high commercial value.

A dry heat type air source heat pump system belongs to the field of heating air conditioning. The condenser outlet and inlet of the heat pump unit are respectively communicated with the heating water supply pipeline and the water return pipeline. The evaporator outlet and inlet of the heat pump unit are respectively communicated with the intermediate water supply pipeline and the water return pipeline. The intermediate circulating pump is installed on the intermediate water return pipeline. The inlet of the surface cooler is communicated with the intermediate water supply pipeline. The outlet of the surface cooler is communicated with the intermediate water return pipeline. One end of the heat storage heat exchanger is communicated with the heating water return pipeline through the heat storage primary water supply and return pipeline. Two communication points are located between the heat pump unit and the heating circulating pump. The other end of the heat storage heat exchanger is communicated with the hot water tank through the heat storage secondary water supply and return pipeline. The defrost water supply pipeline is communicated with the outlet of the cold and hot water tanks. The defrost water return pipeline is communicated with the inlet of the cold and hot water tanks. The application realizes the cold and hot diversion of the refrigerant in the surface cooler through the increase of the defrost branch, and solves the problems of long heating time of the antifreeze, large energy consumption and large heat loss of the air heat exchanger during defrosting.

The utility model discloses a preserved fruit airing room with drying and heat supplying functions, which relates to the technical field of preserved fruit drying appliances and comprises a box body, first air chambers are arranged on two sides of the front end of the box body, a second air chamber is vertically arranged in the middle of the rear end of the box body, an air suction chamber is arranged on the upper portion of the front end of the box body, and a mounting chamber is arranged at the rear end of the second air chamber. According to the preserved fruit drying device, through cooperation of the first air chamber, the second air chamber, the first hot air fan and the second hot air fan, warm air can be conveniently conveyed into the drying chamber to dry preserved fruits, and the drying efficiency of the preserved fruits is improved; through cooperation of an exhaust fan and an air suction chamber, damp and hot water vapor in the drying chamber is conveniently sucked into the air suction chamber, and the drying effect of the preserved fruits is improved; through cooperation of the condensing device and the guide pipe, water-vapor separation is conveniently achieved, separated high-temperature gas enters the heating device through the gas outlet pipe to be recycled, the high efficiency of heat recycling is improved, energy consumption is reduced, and finally the problem that heat cannot be recycled is solved.

The application provides a heat exchange device and an air source heat pump system with the same, relates to a heating device technical field, and through the design of the heat exchange device, the flow guide air duct can generate slit airflow, which plays a role of flow guiding on heat exchange airflow which needs to pass through the heat exchange device heat exchange main body, and the heat exchange airflow obtained after flow guiding is mixed with slit airflow and / or room temperature air, and then is blown out through the air outlet of the heat exchange device. The airflow is enlarged through blowing, soft air outlet is realized, the problem that the air outlet temperature is high in the prior art and dry heat feeling is easily generated is solved, the device is matched with the function of the electric auxiliary heating device, the uniform air outlet effect is realized, the heating mode of mainly radiating heating supplemented by air forced convection is realized, noise is greatly reduced, the device is narrow, the air outlet is closer to the ground, heating is more comfortable, and the appearance is small and beautiful.

The utility model belongs to the field of oil painting cloth drying rod, especially, relate to an oil painting cloth drying oven convenient to fix oil painting cloth. The utility model provides an oil painting cloth drying oven convenient to fix oil painting cloth, include: drying box, the front end opening is hinged with the box door of lock catch through hinged joint, the bottom of drying box is equipped with hot -blast component, fixed mechanism is located in drying box inner chamber for fixing oil painting cloth, the fixed mechanism includes: fixed frame, both ends are slidably penetrated with two T type rods, the both ends of fixed frame inboard two T type rods are fixedly connected with connecting plate, the adsorption cooperation of first magnet plate and second magnet plate simplifies oil painting cloth fixed operation, reduces fixed time -consuming, and the cooperation of spring and T type rod can assist the adjustment canvas tension, benefit guaranteeing stress even, hot -blast component provides drying heat source simultaneously, and even component drives oil painting cloth rotation, makes each area of canvas heat more even, reduces the wrinkle after drying, promotes subsequent coating effect and finished product quality.

The utility model discloses a drying heat preservation conveyor, which relates to the drying field and comprises a rack, a conveying belt is mounted on the rack, a driving component is mounted at the bottom of the rack, and the driving component is suitable for driving the conveying belt to operate on the rack; the drying box body is mounted on the rack; the heat source body comprises a heating box and a fixing box, a heating cavity is formed in the heating box, the fixing box is installed at the bottom of the heating box, and the bottom of the fixing box communicates with the drying box body; the turnover mechanism comprises a position plate, a fixing seat and a turnover motor, and a transmission component is installed at the output end of the turnover motor; two groups of sliding track plates are arranged on the fixed seat, a turnover plate is mounted on the two groups of sliding track plates, and the turnover plate slides and turns over on the sliding track plates; a bending opening is formed in the end, facing the advancing direction of the conveying belt, of the sliding rail plate and is suitable for abutting against the overturning plate, and the technical problems that workpieces are difficult to continuously overturn and dry and need to be fixed are solved.

The utility model provides a multi-loop electric energy meter suitable for an extreme environment. The multi-loop electric energy meter suitable for the extreme environment comprises a multi-layer sealing protective shell, an integrated multi-loop metering module and a heat-conducting temperature-equalizing unit, wherein the integrated multi-loop metering module and the heat-conducting temperature-equalizing unit are arranged in the multi-layer sealing protective shell; the heat conduction and temperature equalization unit is used for conducting heat of a heating element of the integrated multi-loop metering module to the outer surface of the multi-layer sealing protective shell and finally dissipating the heat to the external environment. According to the utility model, the multi-layer sealing protective shell is combined with the labyrinth seal and the low-temperature-resistant rubber ring, so that the invasion of high sand wind, rain, snow and condensation is effectively resisted, and the cleanness and dryness of the internal environment of the multi-layer sealing protective shell are ensured; meanwhile, the multi-loop electric energy meter can bear extremely cold, high dry heat and strong ultraviolet radiation due to the weather-resistant material of the outer-layer protective shell, the wide temperature range stability of the inner-layer supporting framework and the buffering effect of the middle heat insulation layer, the structure is not embrittled, not deformed and not aged, and the service life of the multi-loop electric energy meter is prolonged. And the long-term operation reliability and the service life in extreme environments in regions such as Xinjiang and the like are improved.

The utility model relates to a dryer, and discloses a down feather drying heat energy recycling device which comprises a first drying box used for drying down feather, the first drying box is communicated with a second drying box through a first conveying pipe, an air heater is installed on the top of the second drying box, and an air outlet of the air heater faces the bottom of the second drying box. A preheating box is installed around the first drying box, the inner wall of the preheating box is the inner wall of the first drying box, a heat conduction box is installed around the second drying box, the inner wall of the heat conduction box is the inner wall of the second drying box, the heat conduction box communicates with the preheating box through a first pipeline, a first circulating pump is installed on the first pipeline, and the heat conduction box communicates with the preheating box through a second pipeline. And a second circulating pump is mounted on the second pipeline. According to the device, heat energy of the heat conduction box around the second drying box is conveyed to the preheating box around the first drying box through the first pipeline, the second pipeline and the circulating pump, efficient heat energy recycling is achieved, energy consumption is greatly reduced, and the energy utilization rate is increased.

The application discloses a moisture-proof paperboard box for marine transportation, which comprises an outer box body, an inner box body and an intermediate piece, the inner box body is located inside the outer box body, the intermediate piece is located between the outer box body and the inner box body, the outer box body comprises an outer bottom wall and a plurality of outer side walls, and a buffer piece is arranged on the upper side of the outer bottom wall; the inner box body is detachably arranged inside the outer box body, the inner box body comprises an inner bottom wall and a plurality of inner side walls, the lower surface of the inner bottom wall is attached to the buffer piece, and gaps are formed between the inner side walls and the outer side walls; the intermediate piece is arranged in the gaps, at least one of the outer side walls and the intermediate piece is a water-impermeable plate-shaped piece, the intermediate piece is a hollow plate-shaped piece which can spray air when being extruded and can return to the original position and inhale air after the extrusion is released; the hollow plate-shaped piece is provided with an air inlet and an air outlet, and the air outlet is located in the gap; a plurality of through holes are arranged on the side walls of the inner box body, and the air outlet is at least partially aligned with the through holes. The application has the advantages of moisture-proof, air-permeable and drying heat dissipation.

The invention discloses a high-temperature dry heat event monitoring method and system based on multi-source data fusion, and the method comprises the steps: obtaining multi-source information from a meteorological record satellite image and a ground observation channel, and obtaining a heterogeneous data set containing a format time scale and a spatial resolution difference; performing format unification and scale alignment on the heterogeneous data set, and processing time sequence inconsistency and resolution variation to obtain a standardized data set; according to time-space attributes in the standardized data set, combining different source features by using a multi-modal fusion algorithm, and filtering the fused feature set to obtain an optimized feature set; for the optimized feature set, using a convolutional neural network to extract high-level abstract representation, capturing a spatio-temporal evolution mode of the high-temperature dry heat event, and obtaining an event dynamic feature vector; and calculating the similarity between the event dynamic feature vector and a historical reference, if the similarity exceeds a first preset threshold, generating an early warning signal, and determining the risk level of the potential high-temperature dry heat event.

The utility model discloses a rotating wheel of a penetrating and baking heat shrink tube machine, which comprises a rotating wheel body, a plurality of heating grooves are arranged on the edge of the rotating wheel body along the circumferential direction, each heating groove is provided with an inner cushion block in a matching way, the inner side of each inner cushion block is provided with a processing placing groove, and a plurality of clamping parts are formed on the outer wall of each inner cushion block. A plurality of clamping grooves are formed in the inner wall of each heating groove; during assembling, the inner cushion blocks slide into the corresponding heating grooves from one side face of the rotating wheel body to be attached, and the multiple clamping parts slide into the multiple clamping grooves in a one-to-one correspondence mode. Compared with the prior art, the plurality of clamping parts on the inner cushion block are matched with the plurality of clamping grooves in the inner wall of the heating groove in a one-to-one correspondence manner to ensure that the inner cushion block is stably mounted in the corresponding heating groove, a workpiece is placed in the processing placement groove in the inner side of the inner cushion block to be subjected to thermal shrinkage processing, and dirt remains on the inner cushion block; when dirt is cleaned, the inner cushion block slides out of the heating groove, so that dirt left on the inner cushion block can be cleaned conveniently.

The invention provides a gas hot water heating clothes dryer control method and device and a clothes dryer, the gas hot water heating clothes dryer comprises a roller, a first combustion chamber and a second combustion chamber, the first combustion chamber is used for providing heating hot water and bathroom hot water, and the method comprises the steps that the state of the first combustion chamber is obtained on the basis of receiving a drying program starting instruction; if the first combustion chamber is in the working state, the first combustion chamber serves as a drying heat source; if the first combustion chamber is in the flameout state, a second combustion chamber is started and serves as a drying heat source; acquiring first temperature and humidity detected by a first temperature and humidity sensor and second temperature and humidity detected by a second temperature and humidity sensor; and controlling the drying program to enter different drying stages according to the first temperature and humidity and the second temperature and humidity, wherein the drying parameters of the different drying stages are different. According to the method, the waste heat for heating or providing bathroom hot water can be used for drying, so that the heat is fully utilized, and the energy is saved.

The invention relates to the technical field of solid waste treatment, and discloses a red mud deep reduction double-heat-source roasting and cascade waste heat recovery system which comprises a feeding pretreatment system, a double-layer cylinder cooling kiln, a natural gas heating rotary kiln, an electromagnetic heating rotary kiln and a dust recovery control system. Original red mud pellets are sequentially dried through the feeding pretreatment system and preheated in the outer space of the double-layer barrel cooling kiln, then enter the natural gas heating rotary kiln to be rapidly heated, then enter the electromagnetic heating rotary kiln to be subjected to precise constant-temperature reduction roasting, and finally enter the inner space of the double-layer barrel cooling kiln to be cooled. The double-layer cylinder cooling kiln realizes dividing wall type heat exchange between the high-temperature reduced pellets and the original red mud pellets so as to recover sensible heat; hot air exhausted from the internal space is dedusted and then introduced into the pretreatment system to serve as a drying heat source. Double heat sources are connected in series, rapid temperature rising and high-precision constant-temperature control of materials are both considered, and the comprehensive energy consumption of the system is reduced by combining a stepped waste heat recovery structure.

The invention discloses a humidifying air duct switching structure and a fan heater thereof, and relates to the technical field of air conditioning. The device comprises a ventilation frame, wherein one end of the ventilation frame is communicated with a heating frame; the adjusting air guide frame comprises mounting blocks fixedly connected to the upper side and the lower side of the heating frame, a plurality of rotating rods are rotationally mounted between the two mounting blocks, two sealing blades with the two side ends attached to each other are arranged on each rotating rod, and a driving part used for driving the rotating rods to rotate synchronously is mounted at the top of the heating frame. The adjustable air guide frame is arranged, in the dry heat mode, heat is horizontally blown out of the heating frame through a blowing fan, in the humidification mode, the heating frame can be sealed through sealing blades, airflow enters a humidification air outlet frame, then air is humidified through a water absorption filter block and then blown out, the two modes are switched for use, the energy efficiency can be guaranteed during heating, and the energy efficiency is improved. And the wet curtain does not need to be stored, water drops are prevented from dripping during humidification, and safety and convenience are improved.

This invention relates to the field of drying technology, specifically to a sludge drying heat reuse system based on intelligent waste heat scheduling. The system includes a multi-source waste heat collection network, segmented sludge drying equipment, and a waste heat scheduling controller. Each physical section of the drying equipment has an independent temperature control valve group on its air intake branch. The waste heat scheduling controller is equipped with a waste heat time-series prediction model and a sludge drying stage identification model. It calculates the predicted temperature and flow rate sequences of each waste heat source within a future set time period and identifies the current drying stage of the sludge. Based on the preset optimal temperature curve and predicted sequence corresponding to the drying stage, the controller generates opening adjustment commands for each independent temperature control valve group. This invention eliminates the phase difference between waste heat transmission delay and sludge heat absorption demand, ensuring that the heat input of each section matches the heat absorption pattern of the sludge phase change stage, thus avoiding localized overheating and insufficient heating in the drying equipment.

The utility model belongs to sand shell drying technical field, concretely relates to a kind of foundry sand shell drying device, including main box, clamping rotating mechanism is arranged on main box, and clamping rotating mechanism side is provided with drying execution mechanism. Through the drying execution mechanism being set, start heater to heat heating pipe to generate heat, start first air extractor to extract heat from box body, enter main box by hot air pipe, so that the heat in main box can be evenly distributed, start discharge assembly, first pump body to dry wind body is extracted into square box, to dry the foundry sand shell in main box, after a certain time is dried, start first pump body to dry heat in main box through the moisture-removing plate in square box, drying plate, dry moisture in heat and discharge, start second pump body and make moisture to be discharged through moisture-removing pipe, ensure drying effect, increase air circulation simultaneously, improve the drying hardening efficiency of foundry sand shell, it is convenient to use, and it is strong in practicality.