6683 results about "Hot blast" patented technology

A clothes drying device, including an air channel, an air path switching assembly, multiple clothes drying apparatuses, and multiple heating apparatuses. The air path switching assembly includes a first multi-position switching component and a second multi-position switching component. The first multi-position switching component and the second multi-position switching component are respectively provided between a hot air input section and intermediate heat source sections and between a hot air output section and the intermediate heat source sections; the first multi-position switching component and the second multi-position switching component have the same number of switching positions and are configured to work in conjunction to each other so that at least one clothes drying apparatus is selectively communicated with the corresponding hot air input section, the hot air output section, and the intermediate heat source sections so as to form a circulation loop.

The invention relates to the technical field of wafer test equipment, in particular to a heating aging test tool which comprises a storage rack and further comprises a wafer clamp placed on the storage rack. The detection assembly comprises a plurality of elastic probes located on one side of the storage rack and a heating disc; and the hot air guide assembly comprises a ventilation male head arranged on one side of the heating disc, an air guide pipe is arranged on the side, away from the ventilation male head, of the heat conduction cover, the air amount in the cavity is gradually decreased from near to far away from the air guide pipe, and the air flow speed is gradually decreased. A hot air flow guide assembly is arranged on a conveying frame, heat of a heating disc is guided to the position above a wafer through airflow through a heat conduction cover, the space above the wafer is divided into a plurality of cavities, the space size and the space shape of each cavity are set, the air flow speed and the contained hot air amount of each space are adjusted, and therefore the heat conduction efficiency of the wafer is improved. The influence of heat loss in the air flow process is reduced, so that the heating effects of all parts of the wafer are similar, and the detection effect is improved.

The invention relates to the technical field of cleaning equipment, and particularly discloses a steam cleaning machine. The cleaning machine comprises a cleaning machine body, a steam generation system, a cleaning agent conveying device, a waste water suction device, a hot air device and a control device are arranged in the cleaning machine body, the cleaning machine body is connected with a multifunctional integrated spray head through a multi-channel connector and a multi-channel connecting pipe, and the multifunctional integrated spray head is of a multi-layer hierarchical structure. The steam nozzle, the cleaning agent nozzle and the spherical suction head are sequentially arranged from inside to outside; during use, steam and a cleaning agent cooperatively soften and decompose dirt, the wastewater suction device sucks sewage through a spherical suction head of the spray head, the hot air device blows out hot air for drying, and all the systems are controlled by the control device. The cleaning device integrates the functions of steam cleaning, cleaning agent assisting, waste water sucking and hot air drying, achieves closed-loop cleaning, is convenient to operate and high in efficiency, and meets the cleaning requirements of floors, furniture, tabletops, household appliance gaps and the like in families, hotels and other scenes.

The utility model discloses a perforated flow guide air plate for wet spunlace drying, which comprises an upper-layer flow guide air plate and a lower-layer flow guide air plate, the upper-layer flow guide air plate and the lower-layer flow guide air plate are both mounted in a drying oven, the upper-layer flow guide air plate is mounted at the upper part of the drying oven, and the lower-layer flow guide air plate is mounted at the lower part of the drying oven. And the lower-layer flow guide air plate is mounted at the lower part of the drying oven. Due to the unique penetrating type design, hot air can directly act on the surfaces of materials, the drying time is greatly shortened, and meanwhile energy consumption is reduced.

The invention belongs to the technical field of board baking, and particularly relates to a board baking device for circuit board production, which comprises a hot air circulation box, the hot air circulation box is connected with a bearing frame through a box top table, a filter assembly is arranged at the top of the bearing frame, a loading plate is longitudinally and slidably arranged in the bearing frame, a fan assembly is arranged on the loading plate, and a heating assembly is arranged at the bottom of the bearing frame. And a box door is mounted on the hot air circulation box. The air cylinder drives the carrying plate and the fan assembly to move downwards synchronously, in the downward moving process of the carrying plate, the carrying plate drives the push plate to move synchronously through the T-shaped plate, the push plate drives the baffle to slide from the airflow cavity to the heat flow cavity through the connecting rod and the sliding rod, airflow passing through the heat flow cavity is reduced, and the airflow is promoted to enter the hot air circulation box through the airflow cavity; and under the condition of ensuring the airflow intensity, the airflow temperature is reduced, the influence of hot air on lead-free soldering tin on the circuit board is reduced, and the phenomenon of poor contact between the circuit board and a component is avoided.

The utility model provides a rotary hot-blast stove with an adjustable air outlet angle, which relates to the technical field of rotary hot-blast stoves and comprises a hot-blast stove body, an adjusting mechanism is arranged at the top of the hot-blast stove body and comprises a fixing pipe, a sleeve block is sleeved on the outer surface of the fixing pipe and is fixedly connected with the fixing pipe, and the air outlet angle of the hot-blast stove is adjustable. A rotating pipe is connected into the sleeve block in a sleeved mode, the rotating pipe is rotationally connected with the sleeve block, and a ratchet wheel is arranged in the sleeve block. According to the hot-blast stove, by arranging the adjusting mechanism, the blowing angle of the hot-blast stove can be adjusted, so that the blowing angle cannot be blocked by part of objects in actual use, it is guaranteed that hot air can be conveyed to the maximum extent, meanwhile, the air outlet angle of the rotating pipe can be adjusted, and the installation limitation of the hot-blast stove is smaller; and the ratchet wheel and the pawl are arranged, and the pawl can limit the ratchet wheel under the action of the first spring.

The invention relates to the technical field of intelligent cigarette manufacturing, and discloses a cigarette making machine parameter setting prediction system based on an incoming material state. The system comprises an incoming material feature acquisition module, a process adaptation analysis module, a parameter mapping calculation module, an abnormal working condition identification module and a prediction parameter generation module which are connected in sequence. The system obtains a tobacco shred moisture content distribution curve and temperature field data in real time, and generates an incoming material state characteristic sequence in combination with the conveying speed; dividing water content fluctuation sections and associating temperature distribution rules according to the water content fluctuation sections, and generating a process adaptive partition map; establishing a time sequence mapping relation between the roller rotating speed and the hot air temperature, and generating a parameter optimization mapping table through stability comparison; and finally outputting a parameter prediction scheme by identifying the abnormal working condition deviating from the standard relationship and combining the matching of historical data and the current incoming material state. According to the system, refined parameter prediction of non-uniform supplied materials can be realized, equipment operation parameters are dynamically optimized, and the stability of cigarette production and the consistency of product quality are improved.

The invention discloses a surrounding furnace tea cooking device which can utilize a first heating body to radiate heat outwards to cook tea or cook a hot pot or bake food and the like, and can also utilize a hot air assembly to heat and utilize an atomization humidification assembly to humidify and reduce dryness. The air blower can accelerate flowing of air in the water tank, the pressure intensity in the water tank is increased, mist is blown out in the circumferential direction, the temperature of air on the circumferential side is increased, mist outlet is even, the coverage range is large, all users sitting on the periphery of the surrounding furnace table can be covered, and meanwhile flowing of air in the heat dissipation cavity can be accelerated through the air blower, and heat dissipation is conducted on the heating furnace assembly. No extra heat dissipation structure is needed, and the practicability is improved.

The invention relates to the field of flow-state solidified soil, and discloses flow-state solidified soil prepared from construction waste, preparation equipment and a preparation method. The pre-dehydration module is used for controlling the water content of discharged materials to be less than or equal to 14%; the system further comprises a main drying system, an auxiliary material adding device, a water adding device and mixing equipment. The main drying system comprises a high-temperature drying area, a high-temperature buffering area and a heat preservation discharging area which are arranged in the vertical direction, materials treated by the pre-dehydration module are lifted into the high-temperature drying area through lifting equipment, the main drying system comprises at least two sets of material conveying belts, and a plurality of hot air openings are evenly formed in the top of the high-temperature drying area; an inlet of the hot air pipe is communicated with an air cavity heated by a heat source; a recovery channel communicating with the portion, close to the bottom, of the heat preservation discharging area is arranged on one side of the main drying system, and an obliquely-arranged dust baffle is arranged in the recovery channel. According to the invention, the problems of fluctuation of construction waste sources and large change of material moisture content in the prior art are solved.

The invention discloses a horizontal sludge dryer which comprises a rack, a first drying cylinder is arranged on the rack in an obliquely downward mode through a supporting piece, a sludge feeding mechanism is arranged in the upper end of the first drying cylinder, and a cyclone conveying mechanism in the first drying cylinder is connected with the air outlet end provided with a screw air compressor through a connecting pipe. A crushing mechanism is arranged at the discharging end of the sludge feeding mechanism, a second drying cylinder is movably connected to the discharging end of the first drying cylinder, a roundabout conveying mechanism is arranged in the second drying cylinder, a hot air inlet pipe is arranged in the lowest end of the second drying cylinder, and a discharging control mechanism is arranged in the lower end of the second drying cylinder. An air outlet is formed in the lower end of the first drying cylinder and connected with a sludge feeding mechanism through an air return pipe, and a first rotation driving mechanism is arranged on the rack. The sludge drying device is simple in structure, sludge can be effectively crushed, heat and mass transfer is enhanced, the drying path is prolonged, and waste heat can be effectively recycled.

The invention discloses a hot air blowing device for a porcelain bushing, and relates to the technical field of electric precipitators, the hot air blowing device comprises an inner top, a heat preservation box with a heat preservation cavity, a suspender, an insulating porcelain bushing and a porcelain bushing cover plate, the heat preservation box is fixed above the inner top, the insulating porcelain bushing is arranged in the heat preservation cavity and fixed above the inner top, and the porcelain bushing cover plate is installed at the top end of the insulating porcelain bushing; the upper end of the hanging rod is connected with a porcelain bushing cover plate, the porcelain bushing cover plate is provided with a plurality of communicating holes used for guiding hot air in the heat preservation cavity into the insulating porcelain bushing, the heat preservation box is provided with an air inlet, the porcelain bushing cover plate is provided with a blowing assembly, and the blowing assembly comprises a plurality of air guide blades and an adjusting assembly used for adjusting the inclination direction of the air guide blades. The air guide blades correspond to the communicating holes and are used for guiding hot air guided in by the communicating holes to the surface of the inner wall of the insulating porcelain sleeve. According to the scheme, the hot air blowing path can be changed by adjusting the angles of the air guide blades, local dust accumulation is avoided, it is guaranteed that the inner wall is evenly cleaned, the cleaning effect is improved, and the equipment operation period is prolonged.

The invention relates to the technical field of automobile parts, in particular to an automobile rubber sealing part and a preparation method thereof. A metal framework base material is stamped in a numerical control mode, and a framework blank is obtained by controlling deviation through a positioning pin; after being slightly roughened, the blank is phosphatized, coated with a special rubber prime coat adhesive and subjected to infrared drying; weighing the raw materials according to the ratio, feeding into an internal mixer by stages, and mixing at controlled temperature and speed to obtain a rubber compound; feeding the mixed rubber into a double-roller open mill to press a continuous rubber sheet in a step-by-step distance-adjusting manner; performing hydraulic cutting by a special cutting die to obtain a slightly large formed rubber sheet; sticking the molded film to the framework into a mold with a positioning boss, exhausting, boosting and vulcanizing to obtain a semi-finished product; feeding the semi-finished product into a hot air oven and introducing nitrogen for secondary vulcanization; and carrying out laser thickness measurement and visual inspection, packaging qualified products in an anti-static manner, and sealing in a corrugated carton. The framework precision and the rubber bonding strength are improved, and degumming is avoided; stable rubber material performance and uniform rubber sheet thickness are guaranteed, and material shortage is reduced; vulcanization displacement and bubbles are prevented, rubber oxidation and aging are inhibited, and the durability and stability of the product are improved.

The invention relates to the technical field of electric heater preheating, in particular to an electric heater preheating system and method. Wherein the electric heater comprises a shell, an electric heating tube and a junction box; the preheating device comprises a hot air module, a control module, a pressure sensor, a temperature and humidity sensor and a switch valve. The hot air module comprises a draught fan, a heating piece and a connecting air pipe, and the connecting air pipe is connected with the first pipe opening so that hot air generated by the hot air module can be input into the shell through the first pipe opening. The second pipe orifice is used for discharging air, the pressure sensor and the temperature and humidity sensor are arranged at the second pipe orifice to detect a pressure value, a temperature value and a humidity value, and the switch valve is arranged at the second pipe orifice to adjust the opening and closing and / or the opening degree of the second pipe orifice. When the electric heater is in a shutdown state, the external preheating device is connected with the electric heater to form a preheating system, energy of a molten salt system does not need to be depended on, non-internal circulation air is utilized, and preheating and moisture removal of the electric heater are achieved.

The invention discloses an automatic combustion control method and system for a slag pulverizer hot blast stove. The method comprises the following steps: acquiring operation parameters of a hot-blast stove and a slag pulverizer; selecting one of a furnace temperature control mode and a flow control mode for execution according to the production stage; the total target gas flow is calculated in the selected mode, wherein the flow control mode is subjected to prospective adjustment according to a linkage rule base of mill operation parameters; the air-fuel ratio is corrected based on double feedback of coal gas components and flue gas residual oxygen; and finally, distributing the target flow to a plurality of burners and executing combustion. Through dual-mode switching and intelligent linkage with the mill, conversion from reaction type control to predictive type control is achieved, thermal lag is effectively overcome, combustion efficiency is ensured through dynamic air-fuel ratio correction, and the energy utilization rate, operation stability and automation level of the system are remarkably improved.

The utility model discloses a double-air-duct industrial and commercial air-cooled energy storage cabinet, which comprises an energy storage cabinet body, the rear side of the energy storage cabinet body is connected with a rear door assembly through a hinge, the inner walls of the two sides of the energy storage cabinet body are connected with symmetrically distributed plug box supporting beams, battery plug boxes are inserted between the upper and lower adjacent plug box supporting beams, and the upper and lower adjacent plug box supporting beams are connected with the battery plug boxes. According to the utility model, external air enters the cold air duct through the condensation air inlet and the evaporation air supply outlet, and cold air is sequentially fed into the battery plug-in box and the bottom of the energy storage cabinet body to cool the battery plug-in box and the high-voltage box; and meanwhile, hot air is discharged from the other side of the battery plug-in box, rises, enters the hot air duct under the suction force of the evaporation return air inlet and is discharged from the condensation air outlet through the hot air duct and the evaporation return air inlet, so that internal air is circulated, and the heat dissipation efficiency is improved.

The cooking utensil comprises a box body and a hot air assembly, the box body comprises a door body and a cooking cavity, the door body is used for opening or closing the cooking cavity, an air inlet area and an air outlet area are arranged on a top plate of the cooking cavity, and the air inlet area is farther away from the door body than the air outlet area; the hot air assembly comprises a flow guide plate, an impeller, a driving part and a heating part, the flow guide plate is arranged on the side, away from the cooking cavity, of the top plate and encloses a heating cavity with the top plate, the air inlet area and the air outlet area communicate with the heating cavity, and the impeller is rotatably arranged in the heating cavity to drive airflow to flow from the air outlet area to the air inlet area; the rotating axis of the impeller is perpendicular to the top plate, the driving piece is arranged on the outer side of the heating cavity, a rotating shaft of the driving piece penetrates through the flow guide plate and is connected with the impeller, and the heating piece is arranged in the heating cavity and located between the impeller and the air inlet area. As the air inlet area is farther away from the door body than the air outlet area, the influence of high-temperature airflow on the door body is reduced, and the problem that temperature rise of the door body exceeds the standard is solved.

The invention relates to the technical field of pyrolyzing furnaces, in particular to a waste photovoltaic panel recycling pyrolyzing furnace which comprises a furnace body, a plurality of liquid discharging grooves communicated with the outside of the furnace body are formed in the bottom of the furnace body, liquid discharging pipes communicated with the liquid discharging grooves are arranged outside the furnace body, and electric control valves are arranged on the liquid discharging pipes. A left lifting furnace door and a right lifting furnace door are movably arranged at openings in the two ends of the furnace body respectively, a left supporting frame and a right supporting frame which enter and exit the furnace body alternately are arranged in the furnace body, side electric heating pipes and bottom electric heating pipes are arranged on the side wall and the bottom of the furnace body, and a hot air circulation assembly extending into the furnace body is arranged on the furnace body. The top of the furnace body communicates with a smoke exhaust pipeline, the smoke exhaust pipeline communicates with a smoke return assembly, the smoke exhaust pipeline is connected with a regulation and control assembly for controlling smoke exhaust, and the side wall of the furnace body communicates with an oxygen supply pipe. Wide application prospects are realized in the technical field of pyrolyzing furnaces.

The invention discloses an agriculture and forestry solid waste baking semi-carbonization treatment process which sequentially comprises the steps of crushing, drying, feeding, preheating and drying, destructive distillation and carbonization, discharging, gas recovery and the like. The device comprises a spiral feeding cylinder, a feeding dispersing mechanism, a rotary inner cylinder, a fixed inner cylinder, a carbonization outer cylinder, a hot air inlet pipe, an air outlet, a waste heat return pipe, a vertical cylinder, a spiral discharging cylinder and a matched water cooling device, the rotary inner cylinder drives a fluted disc to rotate through a driving gear so as to achieve material turning, and the feeding dispersing mechanism adjusts the feeding position to avoid accumulation; the air outlet and the air outlet box recover the combustible gas and convey the combustible gas back to the combustion system for heating the carbonization outer cylinder; according to the invention, the cooperative operation effects of uniform drying of materials, full utilization of heat energy, improvement of carbonization efficiency and continuous and safe discharging are realized.

The utility model relates to the technical field of film production, and discloses spraying equipment for film production, which comprises a machine body, an unwinding roller and a winding roller, a spraying mechanism for spraying liquid, a heating mechanism for accelerating curing of the coating liquid, a drying box fixedly mounted on the machine body and a camera are sequentially arranged along the moving direction of the film. According to the utility model, the position of the heating roller moves upwards and simultaneously drives the transmission rod and the abutting rod to move upwards, at the moment, the abutting rod pushes the air deflectors to rotate through the fixed shaft and the rotating shaft, and the abutting plates on the two groups of air deflectors push the other two groups of air deflectors to move synchronously, so that the size of an air guide port formed by the four groups of air deflectors is larger, and the outlet area is larger; in addition, the thin film coating is preheated through the heating roller, and it is further guaranteed that the thin film coating is not blown away by hot air, and the machining effect of the thin film is not affected.

The utility model discloses a polypropylene multi-unit collaborative devolatilization system, which belongs to the technical field of devolatilization in polypropylene production process, and comprises a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit and a polypropylene powder solid-phase devolatilization unit, the extrusion granulation devolatilization unit comprises an extruder and a granulator, an outlet of the powder collecting tank is connected with a feed port of the extruder, and an outlet of the extruder is connected with the granulator; the granule devolatilization unit comprises a hot air drying stock bin, and an outlet of the granulator is connected with an inlet of the hot air drying stock bin; an outlet of the hot air drying bin is used for being connected with a packaging production line. According to the melt devolatilization system disclosed by the utility model, the batch-type vacuum dryer is additionally arranged, so that the modification of a core equipment double-screw extruder is reduced, the process complexity of the melt devolatilization system is obviously reduced, the devolatilization efficiency is improved, and volatile components can be completely removed.

The invention provides a coating device for paper cup production, and belongs to the technical field of paper cup processing, the coating device comprises a transmission frame and a spraying frame, a paperboard is arranged above the transmission frame, the transmission frame is connected with a lifting assembly, the transmission frame is connected with a collecting box, the coating device further comprises a trowelling assembly, the trowelling assembly is connected with a hot-air blower, and the hot-air blower is connected with the spraying frame. The trowelling assembly is used for uniformly scraping a coating on the surface of the paperboard; the device has the beneficial effects that through the lifting assembly and a V-shaped scraper of the trowelling assembly, it can be guaranteed that the thickness of a coating is uniform, redundant paint can be guided to a collecting box and can be recycled after being treated, and the production cost is reduced; meanwhile, the air heater synchronously blows out hot air after the coating is scraped, rapid curing of the coating is promoted, the product quality is improved, the air heater can switch airflow paths to automatically clean the scraping plate, residual coating is stripped through high-speed airflow, it is avoided that subsequent use is affected by drying and caking, the manual cleaning cost is saved, and the long-term scraping precision is guaranteed.

The utility model provides an emulsified asphalt heating device which comprises an air heater, a tank body and a heating unit, the air heater introduces hot air into an air inlet pipe, and heat is uniformly transferred to emulsified asphalt through a coil pipe. A stirring assembly in the device is composed of a sleeve, a plurality of stirrers, arc-shaped fan blades, a guide cylinder and the like, and the stirrers are driven to rotate under the action of airflow, so that emulsified asphalt is effectively stirred, and layering is avoided. By optimizing the structural design of the coil pipe and the airflow channel, hot air can be uniformly distributed, the heating process of emulsified asphalt is accelerated, and meanwhile, the heating efficiency is improved. Due to the design of the stirring assembly, the emulsified asphalt is always kept uniform in the heating process, and the defects of non-uniform heating and insufficient stirring possibly occurring in a traditional heating device are overcome. In addition, the device can reduce energy waste and achieve an energy-saving effect by accurately controlling the gas flow and the stirring force. The device has the advantages of reasonable structure, simplicity and convenience in operation and good heating and stirring effects.

The invention discloses a rotary kiln pyrolysis process preheating and replacing method which comprises the following steps: replacing and preheating an upgrading system when a rotary kiln is started, performing low-load operation on the rotary kiln, heating the rotary kiln by a rotary kiln hot blast stove and a flue gas fan, closing a pipeline valve from a dry gas fan to a first dust remover, and performing low-load operation on the rotary kiln; a rotary kiln nitrogen replacement valve is slightly opened, nitrogen enters the rotary kiln through a dry gas guide screw for replacement and heat removal, an oil and gas pipeline is preheated, direct cooling tower spraying cooling water and indirect cooling tower circulating cooling water are put into use, a coal gas fan is started for system circulation, and an electrical tar precipitator outlet is opened to a rotary kiln starting line valve; the invention further discloses a rotary kiln quality improvement system, the rotary kiln pyrolysis process preheating and replacement method is adopted, the start-up time is effectively shortened, the investment and operation cost is saved, and meanwhile a foundation is laid for long-period stable operation of the system.

The invention provides a mobile solid heat storage and storage battery coordinated island comprehensive energy system, and belongs to the technical field of electric energy supply, the system comprises a heat storage and heat exchange unit, a heat exchange fan, a thermal insulation layer, an energy storage battery, a rapid power socket, an instrument cabinet, a water circulation system, a heat exchange water pump and an inverter, and the modular and container type design is adopted; and mobile deployment and flexible expansion are realized. According to the system, electric energy is converted into heat energy for storage through the heat storage and exchange unit, time-shifting storage of the electric energy is achieved by means of the energy storage battery, independent supply and efficient complementation of electric energy and heat energy are achieved through intelligent coordination control, electric power, high-temperature hot air and hot water can be stably output, and the diversified energy utilization requirements of remote areas, emergency disaster relief and field operation island scenes are met. According to the invention, the energy self-sufficiency rate and the energy consumption safety of the island scene are obviously improved, the operation cost is reduced, and the method is green and environment-friendly and has national defense, social and economic benefits.

The invention discloses drying equipment for plastic product production, and belongs to the field of drying equipment.The drying equipment comprises a base, and a sleeve is fixedly mounted at the top of the base; the device further comprises a rolling assembly, the rolling assembly comprises a roller rotationally installed in the sleeve, fixing plates are evenly and fixedly installed in an inner cavity of the roller, through holes are evenly formed in the outer wall of the roller, and a hot air pipe is fixedly installed at the bottom of the base. The top end of the hot air pipe penetrates through the base and the sleeve and extends to an inner cavity of the sleeve, a supporting plate is fixedly installed on one side of the top of the base, and a motor is fixedly installed on the side, away from the roller, of the supporting plate. Plastic particles to be dried can fall from top to bottom in a reciprocating mode and roll over, relative movement between materials is increased, the situation that the materials are partially too dry or not completely dried can be remarkably reduced through the method, the overall drying efficiency is improved, and energy consumption can be reduced.

The application discloses a heat treatment device for robot bearings and relates to the technical field of bearing heat treatment, which comprises a heat treatment box, a hanger and a lifting device assembly. The hanger is arranged in the heat treatment box, and the lifting device assembly is arranged on the hanger and is uniformly distributed on the hanger. The lifting device assembly is used for hanging the bearings and shaking the bearings during heat treatment. The bearings are heat treated by hot air of the heat treatment box. Meanwhile, the hot air blows the impeller on the driving shaft and drives the driving shaft to rotate. The inserting rod on the driving shaft moves in the corrugated groove in the lifting cylinder, so that the lifting cylinder moves up and down, the bearings on the hooks are driven to move up and down, meanwhile, the driving block on the driving shaft drives the hooks to move forward and backward through the driving inclined surface on the driving block, so that the bearings are vibrated. On the one hand, the bearings are continuously changed in position on the hooks, so that the heat treatment can be carried out on the blocked positions of the bearings. On the other hand, the bearings are shaken, so that the carbides generated during the heat treatment can be dropped, and the bearings can be more effectively heat treated.

The utility model discloses a diatomite pad cleaning and drying device. The diatomite pad cleaning and drying device comprises a feeding area, a cleaning area, a drying area I, a drying area II and a discharging area which are sequentially arranged. The feeding area is provided with a feeding conveying belt; the cleaning area comprises a rough cleaning section and a fine cleaning section; a roller is arranged in the middle of each of the rough washing section and the fine washing section; a water receiving tank is arranged at the bottom of each of the rough washing section and the fine washing section; the cleaning area is provided with a sewage recycling system; the upper parts of the drying area I and the drying area II are provided with drying covers, the middle parts are provided with drying conveying belts, and the lower parts are provided with hot-air blowers; a hot air duct is arranged in the drying cover; a hot air pipe is connected between the hot air blower and the drying cover; the drying cover covers the drying conveying belt; and air is uniformly discharged from the drying cover. The device can clean and dry the diatomite water-absorbing pad, so that the surface of the diatomite water-absorbing pad is clean, and the diatomite water-absorbing pad is easy to sell.

The tempering furnace for the die steel comprises a furnace body, a supporting seat, a connecting column, a placing frame and an air heater, an opening is formed in the top of the furnace body, a furnace cover for sealing the opening is arranged on the top of the furnace body in a matched mode, the supporting seat is driven by a driver to be rotationally arranged at the bottom in the furnace body, and a connecting groove is formed in the top of the supporting seat; the connecting column is vertically arranged in the furnace body, the top of the connecting column is rotationally connected with the furnace cover through a rotary connecting piece, and the bottom end of the connecting column is in key connection into the connecting groove. The multiple placing frames are arranged on the connecting column in a staggered mode from bottom to top, and each placing frame is provided with a plurality of positioning holes used for placing die steel; a hot air outlet pipe of the air heater is communicated with the inner bottom of the furnace body; compared with the prior art, the die steel tempering device has the following technical effects that multiple pieces of die steel can be subjected to tempering treatment in the cavity at a time, hot air is evenly distributed in the cavity, and the tempering quality of the die steel is improved.

The utility model discloses a treatment device for preparing biomass energy from forestry and agricultural residues, and relates to the technical field of biomass energy preparation, the treatment device comprises a bottom plate and a drying box, the drying box is arranged above the bottom plate, and a plurality of fixing pipes are distributed on the upper surface of the bottom plate in a rectangular array mode; a movable rod is movably sleeved with the fixed rod, the upper end of the movable rod is fixedly connected with the drying box, a hollow plate is arranged on one side of the interior of the drying box, a plurality of nozzles are fixedly arranged on one side of the hollow plate, a transverse pipe is arranged on the other side of the hollow plate in a communicating mode, and one end of the transverse pipe extends out of the drying box. And an air heater is fixedly arranged on one side of the upper surface of the bottom plate, an air outlet of the air heater is fixedly connected with a corrugated pipe, and the upper end of the corrugated pipe communicates with the transverse pipe. According to the biomass energy drying device, prepared biomass energy can be raised and air-dried, and the drying efficiency of the biomass energy can be greatly improved.

The invention belongs to the technical field of intelligent control of industrial heating equipment, and particularly relates to a big data self-learning evolution method for an intelligent burning furnace model of a hot blast stove. According to the method, multi-source data such as fuel components and temperature fields are collected in real time, and a standardized input data set is constructed after wavelet noise reduction and principal component analysis processing. The model can dynamically optimize the air-fuel ratio, predict the hot air temperature and correct the equipment parameter deviation, and stable combustion is achieved. When effective samples are accumulated to a threshold value, the system automatically triggers parameter iteration, key parameters are reserved and secondary parameters are updated by utilizing transfer learning, encryption gradient aggregation and knowledge sharing among multiple furnaces are realized by virtue of federated learning, and distribution and deployment are performed after a global optimization model is formed. And finally, according to the model output, a closed-loop regulation and control fuel valve, a fan and other execution mechanisms are realized, the temperature and energy consumption are monitored in real time to evaluate the evolution effect, and a continuously optimized intelligent control cycle is formed. According to the method, the control precision and the combustion efficiency are remarkably improved, and energy conservation and consumption reduction are effectively achieved.