64results about How to "Improve preheating efficiency" patented technology

The utility model relates to the technical field of automatic preheating of molds, and discloses a mold preheating device which comprises a workbench, a preheating box is fixedly installed on the upper surface of the workbench, a control panel is fixedly installed on the left surface of the preheating box, a feeding port is formed in the left surface of the preheating box, and first heaters are fixedly installed on the front inner wall and the rear inner wall of the preheating box respectively. According to the automatic mold feeding device, through cooperation of the working table, the preheating box, the control panel, the feeding opening, the first heaters, the second heaters, the sliding grooves, the mold frame, the first air cylinder, the push plate, the clamping grooves, the mold body, the supporting plate, the second air cylinder and other structures, a mold can be automatically conveyed into the preheating box to be preheated; and the time for manually taking and placing the mold back and forth is saved, the mold can be supported, and the bottom of the mold is locally supported, so that the mold is located in the center of the preheating box and can be comprehensively heated, and the preheating efficiency of the mold is improved.

The utility model relates to the technical field of moxa cone forming, in particular to a moxa cone forming device which comprises a water storage tank, a processing tank is arranged on one side of the water storage tank, a drying groove is formed in the top end of the processing tank, a PLC is arranged on the processing tank, and the PLC is electrically connected with corresponding electric elements. According to the wormwood raw material drying device, wormwood raw materials in the drying groove can be preheated through the heater, the wormwood raw materials can be softened, excessive water can be removed, the wormwood raw materials can be stirred through the stirring blades, the wormwood raw materials can be evenly heated, the preheating efficiency of the wormwood raw materials can be improved, follow-up treatment of the wormwood raw materials is facilitated, and the wormwood raw materials can be dried conveniently. Meanwhile, the water pump can drive condensate water in the water storage tank to enter the cooling tank, the moxa cones in the forming tank can be rapidly cooled and shaped, the forming efficiency of the moxa cones can be improved, the production efficiency of the moxa cones can be improved, the refrigerator is matched with the condensation pipe to refrigerate hot water flowing back into the water storage tank, and the cooling effect can be guaranteed.

The invention discloses a furnace charge preheating heat treatment process. The heat treatment method comprises the following steps that S1, furnace charge is added into a feeding trolley on an intermediate frequency furnace platform, and the feeding trolley vibrates to enable the furnace charge to be in a tiled shape; s2, the feeding trolley is transferred to an oxygen-enriched combustion preheating device through a vibration conveying device on an intermediate frequency furnace platform, so that the oxygen-enriched combustion preheating device preheats the tiled furnace charge; and S3, the feeding trolley is transferred to a discharging port through a vibration conveying device on an intermediate frequency furnace platform, and the furnace burden is placed in the intermediate frequency furnace for smelting. Before furnace charge is fed into the intermediate frequency furnace, the furnace charge is brought to the oxygen-enriched combustion preheating device for preheating through cooperation of the feeding trolley and the vibration conveying device, the oxygen-enriched combustion preheating efficiency is high, the smelting time is shortened, and energy consumption is reduced.

The present invention discloses a method for synthesizing large-sized quartz glass by multi-torch CVD, comprising the following steps: igniting the torches to preheat the furnace; introducing hydrogen, oxygen and silicon tetrachloride into each torch until the temperature and pressure in the furnace are in a stable state; increasing the flow rate of hydrogen, oxygen and silicon tetrachloride introduced into each torch, driving the carrier to rotate and lift to the reference point to start deposition to 90% of the carrier depth; stopping the introduction of silicon tetrachloride into the outer ring torch, and continuing to deposit on the surface of the deposition lump to the target height; stopping the introduction of raw materials, and unloading the lump after natural cooling. The present invention adopts multiple groups of torches arranged in inner rings, middle rings and outer rings, and the torch flames do not interfere with each other, and the furnace temperature distribution can be accurately controlled, thereby improving the uniformity of large-sized synthetic quartz lumps, and at the same time improving the preheating efficiency and deposition efficiency; controlling the raw material supply of different ring torches in the two stages of stable deposition, and realizing uniform and stable deposition of large-sized synthetic quartz lumps.

The utility model relates to the technical field of condensing boilers, and discloses a gas condensing boiler unit which comprises a processing pipeline, a turbulent flow replacing mechanism is arranged in the processing pipeline and comprises an air inlet, a fan, a first condensing pipe, a second condensing pipe and fins, the air inlet is formed in the processing pipeline, the fan is fixedly connected in the processing pipeline, and the fins are arranged in the processing pipeline. The first condensation pipe and the second condensation pipe are arranged in the treatment pipeline, fins are arranged on the surface of the second condensation pipe, flue gas is discharged into the treatment pipeline from the gas inlet, the flue gas is blown away to the first condensation pipe through the fan in the treatment pipeline, and when passing through the first condensation pipe, the flue gas is diverged to be in contact with the second condensation pipe on the other side, so that the flue gas is discharged into the treatment pipeline through the gas inlet; the fins are respectively arranged on the condenser pipe I and the condenser pipe II, so that the contact area with flue gas is increased, the residence time of the flue gas in the treatment pipeline can be effectively prolonged, heat in the flue gas can be absorbed by water in the condenser pipes to the greatest extent, and the preheating efficiency of the water in the condenser pipes is improved.

The application discloses a device and method for preheating scrap steel by using a Fresnel lens array, and belongs to the field of steelmaking, which comprises a three-dimensional adjusting mechanism, the surface of the three-dimensional adjusting mechanism is provided with a cleaning protection mechanism, the upper surface of the three-dimensional adjusting mechanism is provided with a preheating mechanism, the preheating mechanism comprises a supporting frame installed on the upper surface of the three-dimensional adjusting mechanism, the surface of the supporting frame is fixedly connected with a guide ring, and the inside of the guide ring is rotationally connected with a mounting frame corresponding to the supporting frame; through the cooperation of the above devices, a solar position calculation module calculates the azimuth and elevation angles of the sun in real time according to sensor data, and sends instructions to a PLC control cabinet to control the step motor and the servo motor, the angle of the Fresnel lens body is adjusted alone or the angle of the Fresnel lens body array is adjusted as a whole, the focusing precision of the lens array reaches the millimeter level, the angle control precision is not more than 0.1°, and the device can adapt to the change of sunshine and respond quickly.

The invention discloses a grape puree heat treatment time control device and a sterilization process thereof, and relates to the technical field of grape puree heat treatment.The grape puree heat treatment time control device comprises an operation table, a preheating stirring bin is fixedly connected into the operation table, the outer surface of the preheating stirring bin fixedly communicates with a puree feeding port, and the inner wall of the preheating stirring bin is slidably connected with a supporting sliding disc; the middle part of the supporting sliding disc is fixedly connected with a connecting fixed shaft, and the device further comprises a reciprocating pressing mechanism, a multifunctional stirring and cleaning mechanism and a height-adjustable protection mechanism, and the multifunctional stirring and cleaning mechanism is arranged, so that the uniform distribution of grape puree in the stirring barrel can be ensured, the temperature gradient is reduced, and the heat is more quickly transferred into the whole grape puree; compared with stirring in the prior art, the raw materials can be prevented from forming caking or a thermal resistance layer on the barrel wall by cleaning and scraping the inner wall of the stirring barrel, the heat transfer efficiency is further improved, the preheating time is shortened, and the production efficiency is improved.

The invention discloses a constant-temperature foaming tool for a water heater, and belongs to the technical field of equipment for water heater production. A constant-temperature foaming tool for a water heater comprises a containing base plate, a supporting mechanism used for protecting the water heater is installed on one side of the containing base plate, a connecting frame is fixedly installed on the other side of the containing base plate, a cover body is installed on one side of the connecting frame, a lifting mechanism is installed on one side of the cover body, an air distribution ring is installed below the cover body, and air outlet holes are densely formed in the lower end of the air distribution ring. A hot air assembly is installed on the other side of the connecting frame, and a plurality of exhaust pipes are further arranged on the cover body in a penetrating mode. According to the technical scheme, the air distribution ring, the air heater and the lifting mechanism are arranged, additional heating equipment is not needed, the water heater can rapidly reach the appropriate temperature needed by foaming, meanwhile, the exhaust pipe is arranged, entering airflow can blow out dust or sundries involved in the shell of the water heater, and smooth foaming is fully guaranteed.

The utility model discloses a kind of high-efficiency distillation equipment, specifically related to distillation device technical field, including distillation mechanism, the guiding mechanism is arranged at the feeding inlet of distillation mechanism, the periphery of guiding mechanism is provided with waste heat recovery mechanism, the outside of distillation mechanism is provided with collection mechanism.The utility model cooperates with guiding mechanism by setting waste heat recovery mechanism, high-temperature steam generated by distillation is introduced into the heat released by spiral condenser tube, is conducted to the heat absorption cavity in the periphery of heat absorption pipe section by spiral plugboard, the efficient recycling of distillation gas waste heat is realized;Solution needs to flow into material pipe section, heat absorption cavity and outer conical guide tube area in sequence before entering distillation tank, in this process, fully contact with spiral plugboard and absorb waste heat, improve preheating efficiency.

The utility model relates to the technical field of preheating devices for laser cladding, and discloses a preheating device for laser cladding processing, which comprises a working platform, the outer wall of the bottom of the working platform is fixedly connected with a motor frame, and the output end of the motor frame is fixedly connected with a rotating rod through a coupler. Supporting legs are fixedly connected to the outer wall of the bottom of the working platform, a preheating mechanism is arranged on the working platform, an adjusting mechanism is arranged on the preheating mechanism, the preheating mechanism comprises a driving roller, the driving roller is fixedly connected to a rotating rod, a bearing frame is fixedly connected to the outer wall of the top of the working platform, and the bearing frame is fixedly connected to the rotating rod. A supporting frame is fixedly connected to the inner wall of one side of the bearing frame, and a driven roller is connected to the driving roller in a rolling mode. According to the utility model, the driving roller, the driven roller and other structures are arranged, so that when laser cladding workpieces with different sizes are processed, a plurality of devices are simultaneously and oppositely wiped, cleaned and heated, and the preheating efficiency is improved to a certain extent.

The utility model discloses a continuous manganese ore pyrolysis reactor which comprises a reactor main body with supporting legs at the bottom, a conveying assembly and a pyrolysis assembly are installed on the side end face of the reactor main body, the conveying assembly and the pyrolysis assembly are arranged in an inner cavity of the reactor main body in parallel in a spaced mode, the conveying assembly conveys and preheats manganese ore, and the pyrolysis assembly is arranged in an inner cavity of the reactor main body. And the preheated manganese ore is continuously input to the feeding end of the pyrolysis assembly, a cleaning assembly is arranged on the outer wall of the end, away from the feeding end, of the pyrolysis assembly, and the cleaning assembly is used for cleaning part of the outer wall of the pyrolysis assembly. By arranging the conveying assembly, preheating is carried out while conveying is carried out, the preheating time before raw material pyrolysis is shortened, the heat utilization rate is increased, and meanwhile continuous feeding, pyrolysis, screening and deslagging are achieved.

This utility model discloses a liquid seal structure for a fluorosilicic acid preheater, including a fluorosilicic acid preheater. A fluorosilicic acid feed pipe is connected to the bottom of the preheater, a fluorosilicic acid discharge pipe is connected to the top, a steam condensate inlet pipe is connected to the upper side of the preheater, and a heat medium delivery pipe is connected to the lower side of the preheater. A liquid seal structure is provided on the heat medium delivery pipe to increase the liquid level of the steam condensate inside the preheater. This utility model improves the preheating efficiency of fluorosilicic acid by increasing the liquid level of the steam condensate inside the preheater through the liquid seal structure on the heat medium delivery pipe, allowing the heat exchanger tubes inside the preheater to be immersed in the steam condensate.

The utility model relates to lime kiln preheating technical field, concretely is a kind of lime kiln preheating utilization device, including uniform gas frame, the top end fixedly connected with gas outlet frame of uniform gas frame, the one end fixedly connected with gas diffuser cover of uniform gas frame, the one end fixedly connected with gas collection cover of gas outlet frame, the other end of uniform gas frame and gas outlet frame is provided with gas control assembly, the one end of gas diffuser cover and gas collection cover is provided with preheating assembly.The utility model is provided with uniform gas frame, gas outlet frame, gas diffuser cover, gas collection cover, gas control frame, movable cover, preheating tank, first annular groove, first side groove, second side groove, second annular groove, third side groove and gas guide baffle, can make that equipment go to the efficient preheating operation of lime uniform material of lime kiln flue gas waste heat, in actual use process, staff first with the uniform gas frame and gas outlet frame whole through suction valve seat and exhaust valve seat, install on the pipeline of lime kiln flue gas discharge.

The invention relates to the technical field of reaction furnaces, and provides an electrochemical salt technology reaction furnace which comprises a reaction mechanism, a preheating mechanism, an anti-vibration mechanism and a reaction furnace body, the reaction mechanism is installed in the reaction furnace body and suitable for melting molten salt, the preheating mechanism is installed at the top of the reaction furnace body, and the anti-vibration mechanism is installed at the bottom of the reaction furnace body. The preheating mechanism is suitable for preheating molten salt, through the arrangement of a rotating motor, a stirring assembly and other structures, a heating inner container is arranged in the reaction furnace body, the stirring assembly driven by the rotating motor is matched, it is ensured that the molten salt is evenly stirred in the heating process, and a backflow assembly is matched with a follow-up meshing gear through meshing of a driving meshing gear and the follow-up meshing gear; according to the technical scheme, circulating conveying of the materials is achieved, heating circulation of the materials is ensured, the viscometer monitors in real time, once the molten salt reaches the preset viscosity, the discharging assembly is immediately triggered for discharging, the production efficiency is improved, and through the technical scheme, the problems that in the prior art, the production efficiency is low, and energy conservation and environmental protection are insufficient are solved.

The present application relates to the technical field of ceramic fiber filter tube production and processing, in particular to an oven internal heat recovery structure for ceramic fiber filter tube processing, comprising an oven and a heat exchanger arranged on one side of the oven, a hot air circulation assembly is further arranged on the top of the inner wall of the drying chamber, a heat energy recovery assembly is arranged on the top of the oven, and a workpiece preheating assembly is arranged in the preheating chamber. The present application recovers the moisture heat energy discharged from the inside of the drying chamber through the heat energy recovery assembly, and then sends it into the inside of the workpiece preheating assembly, and then preheats the surface of the filter tube, so as to reduce the temperature difference, thereby effectively improving the drying efficiency of the filter tube in the inside of the drying chamber, and recycling the heat energy in the discharged moisture in the inside of the drying chamber to the filter tube, which not only effectively reduces the energy consumption and improves the energy utilization rate, but also effectively saves energy and protects the environment during the ceramic fiber filter tube processing.

The utility model belongs to the technical field of engines, and discloses an oil pan assembly which comprises an oil pan body, a heating part and an oil stirring assembly, an oil containing cavity is formed in the oil pan body, and the heating part is located in the oil containing cavity and used for heating engine oil in the oil containing cavity. The oil stirring assembly comprises stirring blades located in the oil containing cavity and a driving part located outside the oil pan body, and an output shaft of the driving part extends into the oil containing cavity and is connected to the stirring blades, so that the driving part can drive the stirring blades to rotate so as to stir engine oil in the oil containing cavity; according to the engine oil preheating device, the heating piece heats engine oil in the oil containing cavity, meanwhile, the output shaft of the driving piece drives the stirring blade to rotate, so that the stirring blade stirs the engine oil in the oil containing cavity, the engine oil in the oil containing cavity is heated more uniformly, the engine oil preheating efficiency is improved, and the engine oil preheating time is shortened.

The present application provides a heating module and an electronic cigarette device, in which a sleeve is fixedly arranged on the base, the sleeve includes a first accommodating chamber and a second accommodating chamber, the first accommodating chamber is communicated with the second accommodating chamber, and the second accommodating chamber is located at one end of the first accommodating chamber away from the base; a first heating component is fixedly arranged in the first accommodating chamber; a partition tube is arranged on the first heating component and is located in the second accommodating chamber; a second heating component is arranged on the partition tube and is located in the second accommodating chamber; the inner side of the partition tube and the inner side of the second heating component define a placement chamber, and the placement chamber is used to place a smoke-generating medium. The present application adopts two heating components to heat the smoke-generating medium in sections, which improves the preheating efficiency and uniformity, and also improves the efficiency and uniformity of heating the smoke-generating medium during the smoking stage, thereby improving the smoke taste.

The invention provides a film capacitor core winding device with a preheating treatment function and a method and application thereof, and belongs to the technical field of capacitor core winding. The film capacitor core winding device comprises a winding machine box, and a first pole piece roll, a second pole piece roll and a diaphragm roll are installed at different incoming material ends in the winding machine box respectively; a first pole piece and a second pole piece are respectively wound on the first pole piece roll and the second pole piece roll, a film is wound on the diaphragm roll, the first pole piece, the second pole piece and the film are respectively connected with a clamping and cutting device through a transmission device, and the first pole piece, the second pole piece and the film are connected with a roll core through the clamping and cutting device. Preheating temperature control devices are symmetrically mounted on the two sides of the first pole piece, the second pole piece and the film respectively, and a plurality of air supply devices are mounted on the top of the inner side of the winding machine box; the problems that moisture is difficult to remove after the film is wound, and the film is locally oxidized and damaged can be solved.

The utility model relates to metallurgical technical field, specifically disclose a kind of for hydrogen metallurgy hydrogen-rich reducing gas heating system;Including reduction shaft furnace system, high temperature heating furnace, combustion gas preheating furnace, reducing gas preheating furnace, emptying system, hydrogen supply system and air combustion-supporting system;The reduction shaft furnace system, high temperature heating furnace, combustion gas preheating furnace, reducing gas preheating furnace, emptying system are sequentially connected;The reduction shaft furnace system is connected with combustion gas preheating furnace, reducing gas preheating furnace respectively;The hydrogen supply system is connected with combustion gas preheating furnace, reducing gas preheating furnace respectively;The air combustion-supporting system is connected with combustion gas preheating furnace.The utility model carries out preheating and secondary heating to reducing gas, so that the temperature of reducing gas entering reducing gas preheating furnace is higher, greatly improves preheating efficiency, so that heat can be fully recycled, and energy utilization rate is high.

The invention relates to the technical field of glass processing equipment, in particular to preheating equipment for producing characteristic glass. Comprising a support; the outer wall of the bottom of the thermal insulation furnace box is fixedly connected with the outer wall of the top of the bracket; the outer wall of the heating wire is fixedly connected with the side wall in the thermal insulation furnace box; the outer wall of the conveying belt is rotationally connected with the inner wall of the bracket through a rolling roller; the outer wall of the ventilation device is fixedly connected with the outer wall of the bracket; the input end of the circulating fan is fixedly connected with the outer wall of the ventilation device; the outer wall of the conveying device is fixedly connected with the output end of the circulating fan; the ventilation rate in the thermal insulation furnace box can be controlled by arranging the ventilation device composed of the opening and closing device and the receding device, part of high-temperature air can pass through the through groove to be located below the glass through the receding device, and in the gradual moving process of the glass, the bottom of the glass is subjected to preheating treatment as well; and the purpose of uniformly heating the glass is achieved.

The present invention addresses the problem of providing a molten metal filtration unit that is stably disposed in a filtration chamber. This problem is solved by a molten metal filtration unit provided with a pair of side plates and a substantially cylindrical filtration tube that is substantially vertically connected to each of the pair of side plates, the pair of side plates includes a first side plate having a through hole at a portion connected to the filter tube and a second side plate closed at a portion connected to the filter tube, each side plate includes a leg portion vertically disposed from a bottom surface of the side plate, and the number of the leg portions of the first side plate is at least one greater than the number of the leg portions of the second side plate.

The utility model is applicable to the field of steam boilers, and provides a steam boiler with an automatic water replenishing function, which comprises a steam boiler body and a water pump, the steam boiler body comprises a boiler body, a steam port, a sensor and a water replenishing pipe, a partition plate I and a partition plate II are fixedly arranged in the boiler body, and the boiler body is partitioned between the partition plate I and the partition plate II to form a water tank. During use, the water level in the water tank is detected through the sensor, the water pump is controlled to pump water and inject the water into the water tank through the water supplementing pipe when the water level is low through the connected external control system, and meanwhile water supplementing is completed. Heat in high-temperature smoke generated in the combustion chamber is fully released into the water tank through the smoke pipe, heat utilization maximization is guaranteed, low-temperature water in the water supplementing pipe is preheated when the low-temperature water passes through the water supplementing pipe, and the situation that the low-temperature water is directly discharged into the water tank, and consequently the steam temperature changes drastically is prevented.

The utility model discloses a heating device of a plastic packaging machine, which belongs to the technical field of plastic packaging machines and comprises a mounting shell and a heating mechanism, a top cover is mounted at the top end of the inner wall of the mounting shell, the heating mechanism is arranged on the inner walls of the mounting shell and the top cover, the inner walls of the mounting shell and the top cover are rotatably connected with a plurality of uniformly distributed rollers, and the rollers are arranged on the mounting shell and the top cover. A heating block is installed on one side of the inner wall of the roller, a heat conduction ring is fixedly connected to the inner wall of the roller, and one end of the heat conduction ring is fixedly connected with the heating block. By means of the mode, the rollers in the top cover and the mounting shell can be heated through the heating blocks, then heat is evenly conducted to the rollers through the heat conduction rings, the rollers are heated, the first fan rotates to blow out air flow, the air flow becomes hot air through the heating plate, and the hot air is evenly dispersed between the top cover and the mounting shell; the integrated temperature sensor can monitor the temperature in the plastic packaging machine in real time, the preheating speed of the plastic packaging machine can be increased, and auxiliary heating can be conducted on the plastic packaging machine.

A shaping and preheating system for a central mechanism capsule of a tire vulcanizer comprises a capsule, the capsule is connected with an air inlet shaping / vulcanization stop valve and an exhaust shaping / vulcanization stop valve through an air inlet pipeline and an exhaust pipeline respectively, the air inlet shaping / vulcanization stop valve is connected with a shaping / preheating stop valve through a pipeline, the shaping / preheating stop valve is connected with a steam balance valve through a steam pipeline, the steam balance valve is connected with a steam filter through a steam pipeline, and the steam filter is connected with low-pressure steam through a steam pipeline; the shaping / preheating stop valve is connected with a check valve through a nitrogen pipeline, the check valve is connected with a nitrogen balance valve through a nitrogen pipeline, the nitrogen balance valve is connected with a filter through a nitrogen pipeline, and the filter is connected with shaping nitrogen through a nitrogen pipeline; therefore, the system is simple and convenient, the use efficiency of equipment is improved, and the service life of the capsule is ensured.

The utility model relates to a glass kiln body structure which comprises a kiln body, a plurality of heating holes are formed in the top of the kiln body, a sealed heating module is arranged in each heating hole, a nozzle of each sealed heating module faces the interior of the kiln body, and the top of each sealed heating module is connected to a gas conveying pipe. One purpose of the utility model is that the sealed heating module not only can ensure the sealing type of the kiln body and avoid heat loss, but also can vertically jet flames downwards through combustible gas conveyed by the gas conveying pipe so as to achieve the effect of rapid preheating, and the gas conveying pipe is closed after preheating is completed.

The invention discloses an MVR (mechanical vapor recompression) evaporation crystallizer, which belongs to the technical field of evaporation crystallizers, and comprises an evaporation crystallizer body, a discharge pipe is inserted on the bottom wall of the evaporation crystallizer body, and a preheating assembly is arranged on the top wall of the evaporation crystallizer body; the preheating assembly comprises a heating box fixedly installed on the evaporation crystallizer body, a water inlet pipe is inserted into the heating box, a communicating pipe communicated with the evaporation crystallizer body is inserted into the bottom wall of the heating box, a spiral pipe is fixedly installed on the inner wall of the heating box, and a water outlet pipe is inserted into the spiral pipe. And a compressor is fixedly mounted on the side wall of the evaporation crystallizer body. According to the scheme, an impeller is arranged, water vapor can drive the impeller to rotate in the process of passing through the impeller, then a first cleaning rod and a second cleaning rod can be driven to rotate through a rotating rod in the rotating process of the impeller, and bristles are driven to clean dirt on the surface of a spiral coil, so that the preheating efficiency of waste water is improved; therefore, the wastewater evaporation efficiency can be improved.

This utility model discloses a vial dry heat sterilization device in the field of freeze-dried powder injection production equipment. It includes a chassis and a control unit within the chassis, a conveying unit and a housing on the chassis, a preheating chamber, a dry heat sterilization chamber, a cooling chamber, and a temperature sensor within the housing. It also includes a hot air generation unit and a cold air generation unit on the housing. The preheating chamber has a duct, and a guide plate connects to the bottom of the duct. The bottom plate of the guide plate has several evenly distributed exhaust holes, and several exhaust pipes are arranged in an array below the guide plate. Several evenly distributed vertical exhaust ports are opened on the wall of the exhaust pipes. An external air source is connected to the duct. This vial dry heat sterilization device, through the cooperation of the guide plate and exhaust pipes, achieves the effect of loosely packed vials and conveying hot airflow to the surrounding area of ​​the vials, thereby achieving rapid and uniform preheating of the vials.

This utility model relates to the field of energy-saving and environmental protection technology, and discloses a waste heat recovery device for spray drying tower flue gas. It includes a support plate, waste heat recovery mechanisms located on adjacent sides of two support frames, a heat pump fixedly connected to adjacent sides of the two support frames, a hot air furnace fixedly connected to adjacent sides of the two support frames, a spray tower fixedly connected to adjacent sides of the two support frames, a sedimentation tank fixedly connected to adjacent sides of the two support frames, and a spray drying tower a fixedly connected to the top of the support plate. In this utility model, fresh air is heated to 71°C through heat exchange, then heated by the hot air furnace. After the temperature drops to 60°C, it is sent to the spray tower, where the temperature drops to 25°C. The heat pump ensures that the fresh air is always maintained at 45°C, fully utilizing the wasted waste heat of the flue gas to preheat the fresh air in the hot air furnace, thereby achieving the goals of energy saving and consumption reduction, improving economic efficiency, and reducing environmental pollution.

The efficient heating furnace comprises a preheating box and a calcining furnace, a screw elevator is fixedly connected between the preheating box and the calcining furnace, a filtering structure is connected between the preheating box and the calcining furnace and located in front of the screw elevator in an embedded mode, and a crushing structure is installed on the front surface of the preheating box in an embedded mode. The crushing structure comprises two groups of crushing rollers, connecting shafts and a servo motor, the connecting shafts are fixedly mounted on the front surfaces and the rear surfaces of the crushing rollers, the preheating box comprises a feeding hopper, a first smoke outlet, a box body, a first fuel inlet, a stirring motor and a spiral stirring paddle, the feeding hopper is mounted on the upper surface of the box body in an embedded manner, and the stirring motor is mounted on the lower surface of the box body. And a stirring motor is embedded in the lower surface of the box body. According to the efficient heating furnace for limestone calcination, the heating efficiency can be effectively improved, heat generated during calcination can be fully utilized, and resources can be saved.

The utility model relates to a rubber processing preheating device which comprises a bottom plate, a soaking barrel and a drying barrel are respectively installed on the upper surface of the bottom plate, and the included angle between the soaking barrel and the axis of the bottom plate and the included angle between the drying barrel and the axis of the bottom plate are 120 degrees. A hydraulic cylinder is rotationally mounted at the circle center of the upper surface of the bottom plate, and a rotating structure capable of driving the hydraulic cylinder to rotate at equal angles is arranged on the upper surface of the bottom plate; three cantilevers are coaxially mounted at the top of the telescopic end of the hydraulic cylinder at equal angles, filter cartridges are mounted at the ends of the cantilevers, and feeding holes are formed in the tops of the filter cartridges; a filter plate is hinged to one side of the bottom of the filter cylinder and fixed to the other side of the filter cylinder through a bolt. The rubber blocks are placed in the filter cylinder and soaked in the hot water in the soaking barrel, the hot water can make full contact with the surface of each rubber block and rapidly transfer heat, each rubber block is heated evenly, and therefore the preheating efficiency is improved, the preheated rubber blocks can be dried through the drying barrel, redundant water is removed, and the service life of the rubber blocks is prolonged. And the subsequent use is not influenced.