197results about How to "Improve warm-up effect" patented technology

The invention discloses a terpilenol production reaction kettle with an alarm function, and relates to the technical field of alarm devices. The terpilenol production reaction kettle with the alarm function comprises a reaction kettle body and a temperature control alarm device. According to the terpilenol production reaction kettle with the alarm function, stirring blades can rotate along a rotating pipe in a reciprocating mode while rotating along with a rotating shaft, the stirring efficiency can be higher, the stirring effect can be better, a temperature sensor can rotate along with the stirring blades and move up and down, and the temperature sensor is more stable. The detection of the raw material temperature is more accurate and reliable; when the temperature of the materials is detected to be too high, an alarm can be given in time through the alarm, cooling liquid can enter the stirring blades to be rapidly cooled, and when subsequent materials are produced, the cooling liquid absorbing heat can be used for preheating the materials, so that waste heat can be recycled, and more energy conservation and environmental protection are achieved.

The utility model relates to the technical field of cable production, and discloses a preheating device for wire and cable production, which comprises a preheating device body and a mounting shell communicated with one side of the preheating device body, and further comprises a stepping motor bolted at the top of the mounting shell, and an output shaft of the stepping motor is fixedly connected with a connecting shaft; one side of the surface of the connecting shaft is fixedly sleeved with a spur gear; according to the cable cleaning device, the spur gear is matched with the gear ring, so that the surface of a cable can be cleaned by the scraper, the surface of the cable is cleaner, the cable cleaning effect of the cable cleaning device is not improved, the situation that the cable is polluted by foreign matters is reduced, and the service life of the cable is prolonged. And meanwhile, more water can be blown away under the cooperation of the blades and the cleaning mechanism, so that water on the surface of the cable is reduced, the preheating effect of the device on the cable is effectively improved, and the problems that when an existing device is used, the cleaning effect on the cable is poor, and the preheating effect is poor are solved.

The invention discloses a high-efficiency energy-saving preheating device for continuous processing of copper bars, which is characterized in that an annular frame with a plurality of heated cylinders is additionally arranged in a furnace body, a preheating box and a heat insulation box are additionally arranged in the front-back direction of the furnace body, and before second-stage preheating, the copper bars to be treated are subjected to first-stage preheating by the preheating box, and the copper bars to be treated are subjected to second-stage preheating by means of circulation of high-temperature waste gas of the furnace body; during second-stage preheating, an annular frame is driven to rotate circumferentially, copper bars in the preheating box are pushed into a heated barrel one by one through a first electric push cylinder, the multiple copper bars are prevented from being in a stacking environment, the heated barrel changes the heating state of the copper bars in the continuous circumferential rotation process, and the heating uniformity of all the end faces of the copper bars is improved; and after the second-stage preheating is completed, the high-temperature copper bars are pushed into the heat preservation box one by one through the discharging holes by utilizing the second electric push cylinder for heat preservation, and the three links of first-stage preheating, second-stage preheating and heat preservation are circularly and continuously carried out.

The utility model relates to the technical field of annealing furnace equipment, and provides a heating device of a galvanized strip steel annealing furnace, which comprises a furnace body and a cooling cavity, the cooling cavity is arranged in the furnace body, a conveying roller is mounted in the furnace body, a first motor is mounted on the side surface of the furnace body, and the output end of the first motor is connected with the conveying roller. The fuel gas heating assembly is arranged inside the furnace body, the cooling return air preheating assembly is arranged outside the furnace body and comprises a negative pressure fan, the negative pressure fan is installed at the top of the cooling cavity, a pair of gas cavity plates is arranged in the furnace body, the gas cavity plates are communicated with each other, and a constant-temperature cavity is formed in the furnace body. According to the technical scheme, the problems that in the prior art, a preheating mode of an existing annealing furnace is large in energy consumption, in the annealing treatment process, gas used for cooling is directly discharged, a heat source cannot be recycled, energy consumption is large, and the influence on the surrounding ring is large are solved.

The invention relates to the technical field of high-frequency preheating, and discloses a high-frequency preheating device for coating a multi-strand stranded enameled wire core, which comprises a main machine body, a preheating mechanism is arranged outside the main machine body, a mounting chamber is formed in the back surface of the main machine body, and a heat dissipation mechanism and an air guide mechanism are arranged inside the mounting chamber; the heat dissipation mechanism is used for conducting heat dissipation on the interior of the mounting chamber, the air guide mechanism is used for controlling the air outflow direction in the mounting chamber and controlling the air outlet to be switched between external air and the interior of the preheating mechanism, and a temperature sensor is fixedly connected to the interior of the mounting chamber; the preheating mechanism is used for preheating the metal wire core; by controlling the adjusting plate, the adjusting plate can conveniently and selectively seal the inner air cavity or the outer air cavity to adjust the air in the mounting chamber to flow out through the air outlet or flow out through the wire outlet through the outer thermal insulation box, so that different effects are achieved, the use flexibility of the device is effectively improved, and the use diversity of the device is effectively guaranteed.

The invention relates to the field of welding, in particular to a laser welding machine for alloy casting repair, which comprises a laser repair machine. The device further comprises an electric push rod, a supporting plate, a connecting rod, a connecting plate, a metal net and the like. The laser repairing machine is connected with an electric push rod; the telescopic end of the electric push rod is fixedly connected with a supporting plate. The supporting plate is connected with a connecting rod; the connecting rod is fixedly connected with two connecting plates; and the two connecting plates are jointly and fixedly connected with a metal net. An external hot air pump is controlled to convey high-temperature hot air into an air injection cavity through a hot air pipe, the high-temperature hot air in the air injection cavity is sprayed to the welding face of a workpiece from an opened round hole, then the welding face of the workpiece is preheated, the hot air is limited through a limiting plate coated with a heat insulation layer and elastic cloth made of a heat insulation material, and the welding face of the workpiece is preheated. And hot air is blown to the welding surface of the workpiece more intensively, so that the preheating effect is improved.

The aluminum alloy welding hot crack restraining device adopting the preheating structure is applied to the technical field of aluminum alloy welding, a lifting structure is arranged to be matched with a rotating shaft, a guiding piece and a cantilever, and according to the shape of a weldment and the position of a welding seam, the lifting structure is matched with adjustment among the rotating shaft, the guiding piece and the cantilever; the position and angle of the preheating assembly can be adjusted, it is ensured that the preheating assembly makes good contact with the surface of a weldment, and therefore the preheating effect is improved, through the arranged preheating assembly, a weld joint, needing to be welded, of the weldment can be evenly and efficiently preheated before aluminum alloy welding, and therefore the efficient, stable and accurate effects are achieved in the weldment preheating process, and the welding quality is improved. And the welding quality of the aluminum alloy weldment is effectively improved, the generation of defects such as hot cracks is inhibited, and the welding quality of the aluminum alloy is effectively ensured.

The utility model relates to the technical field of automobile emergency starting power supplies, and discloses an automobile emergency starting power supply with a preheating function, which comprises a heat preservation shell, a shell cover is arranged on the outer side of an opening of the heat preservation shell, and two supporting frames are arranged on the upper side face of the side wall of the bottom of the heat preservation shell. Limiting stop blocks are arranged on the front side edge and the rear side edge of the upper side face of each supporting frame, a limiting baffle is arranged on the left side edge of the supporting frame located on the left side, emergency starting power source bodies attached to the limiting stop blocks and the limiting baffles are installed on the upper side faces of the two supporting frames, and electric heating plates are installed on the four walls of the inner side of the heat preservation shell. Through the arrangement of the supporting frame, the emergency starting power source body can be placed in the heat preservation shell in a suspended mode, the electric heating plate is installed on the inner wall of the heat preservation shell and can be prevented from making contact with the emergency starting power source body, and therefore the space where the emergency starting power source body is placed can be heated through the electric heating plate under the cooperation of the heat preservation shell and the shell cover; therefore, the temperature of the whole body can be raised.

The present invention relates to the field of engineering machinery, and discloses a cold start preheating system and engineering machinery. The cold start preheating system includes a fuel preheating module, an antifreeze preheating module, a hydraulic oil preheating module and a main controller. The main controller is configured to: after entering the preheating mode, control the fuel preheating module to start running; when it is determined that the fuel viscosity of the fuel tank is less than a first preset viscosity, control the antifreeze preheating module to start running; when it is determined that the temperature of the battery reaches a first preset temperature, control the hydraulic oil preheating module to start running. The cold start preheating system of the present invention has a short preheating time and a good preheating effect, which can improve the reliability of the engine's smooth cold start in extremely cold areas and shorten the user's waiting time. The cold start preheating system of the present invention can be applied to engineering machinery with a fuel architecture and a new energy architecture.

The invention relates to the technical field of sintering furnaces, and provides a sintering oven furnace for sintering polytetrafluoroethylene and a sintering method of the sintering oven furnace. Air blowers are installed on the two sides of the furnace body, a connecting pipe is installed on the top of the furnace body, a sliding rail is movably installed in the furnace body, and a frame is fixed to the top end of the sliding rail. Through the arrangement of the main disc and the base fixed to the top of the main shaft, when the main shaft rotates, the main screw and the main disc on the main screw rotate at the same time, the main disc rotates at the top of the frame to drive the secondary disc to pass through teeth on the secondary screw and a lower chuck of the secondary disc to rotate, and the secondary disc rotates by 60 degrees every time the main disc rotates by one circle; the polytetrafluoroethylene product close to the center position is rotated to the outer side, so that the product above is in full and uniform contact with hot air, the effect of uniform heating of the sintering oven is achieved, the sintering quality and uniformity of the product are guaranteed, and the production efficiency is improved.

The present invention relates to the technical field of energy-saving roasting of coated sand, and discloses a regenerative coated sand roasting furnace, comprising a main body, a combustion chamber is arranged in the main body, an igniter facing the combustion chamber is installed on the main body, and a feed chamber is fixed on one side of the main body, one side of the combustion chamber is connected to the feed chamber, and the side of the combustion chamber away from the feed chamber is connected to a preheating bag, and the preheating bag is connected to an exhaust pipe; a baffle is arranged in the feed chamber, and a preheating chamber connected to the exhaust pipe is opened in the side wall of the feed chamber; the preheating chamber is connected to the exhaust pipe. The present invention has a simple structure, and the waste gas discharged from the combustion chamber is sent into the feed chamber to preheat the sand particles. The sand particles with a certain temperature enter the combustion chamber, which can reduce the heat consumption in the combustion chamber, thereby reducing the use of natural gas and reducing the roasting cost of the sand particles.

The utility model discloses preheating equipment for calcium oxide production, which comprises a drying box, a preheating device and a preheating device, wherein a feeding pipe is arranged on one side of the top of the drying box; a discharging hole is formed in one end of an inner cavity of the feeding pipe, a feeding mechanism is arranged in the middle of the feeding pipe, the feeding mechanism comprises a rotating pipe, one end of the rotating pipe is connected with the other end of the feeding pipe through a bearing in a rotating and penetrating mode, and a heating mechanism is arranged at the other end of the rotating pipe; the spiral blade is fixed on the outer wall of the rotating pipe; the first gear is fixed to one end of the rotating pipe, and a driving mechanism used for enabling the rotating pipe to rotate is arranged on the outer wall of the first gear; and the air outlet pipe is fixed at the other end of the feeding pipe. By means of the arrangement mode that the feeding mechanism, the driving mechanism and the heating mechanism are matched, calcium oxide in the inner cavity of the feeding pipe can be stably conveyed through the spiral blades, the inner cavity of the feeding pipe can be conveniently preheated and heated through the heating mechanism, the preheating effect is improved, and the overall drying efficiency of the calcium oxide in the drying box is improved.

The invention discloses electrode plate coating processing equipment and method.In the electrode plate coating processing equipment, a feeding unit is used for positioning, placing and adjusting the position of an electrode plate so that a two-finger rotating clamping jaw can clamp the electrode plate conveniently, the two-finger rotating clamping jaw in a conveying unit is used for replacing manual clamping and overturning of the electrode plate, and a sliding rail and a trolley replace manual transferring of the electrode plate; the conveying unit is matched with the preheating unit, the drying unit, the brushing unit and the discharging unit to replace manual work to complete preheating, brushing, drying and discharging operation in electrode plate coating processing, the whole process only needs to manually place an electrode plate on a bracket and can be replaced by a mechanical arm, and the automatic development trend of production and manufacturing is met; the problem that the labor intensity is high due to the fact that manual operation is adopted for electrode plate coating processing at present can be effectively solved, the consistency of preheating and drying time of the electrode plate and the thickness of the coating can be guaranteed, and the electrode plate coating processing quality can be improved.

The utility model relates to a preheating welding station which comprises a box body, a fixing plate and a starting switch are arranged on the box body, a guide rail, welding guns and an ignition needle are arranged on the fixing plate, a movable supporting plate is arranged on the guide rail, the movable supporting plate is used for placing workpieces, the welding guns are arranged on the two sides of the guide rail, the welding guns are connected with a fuel gas assembly, and the fuel gas assembly is connected with the ignition needle. The ignition needle is used for igniting the welding gun, and the ignition needle and the starting switch are electrically connected with a control box. A workpiece to be preheated is placed on the movable supporting plate, the workpiece is externally heated in a circulating mode through the welding guns on the two sides of the guide rail, independent preheating of the workpiece is achieved, the workpiece preheating time in the welding work circulation is shortened, the consistency of the workpiece preheating temperature and the welding temperature is guaranteed, and the workpiece welding quality is improved. The preheating welding table can preheat a plurality of workpieces at the same time, so that the working efficiency is improved; the movable supporting plate moves on the guide rail, the position of the workpiece is adjusted, the preheating effect on the workpiece is guaranteed, and the preheating uniformity of the workpiece is guaranteed.

The utility model relates to a reaction device, and particularly discloses a photocatalytic reduction CO2 reaction device which comprises a water tank, a light source emitter and a heating seat, a heating cylinder is arranged at the upper end of the heating seat, a reaction container is arranged at the upper end of the water tank, a first flow guide pipe and a second flow guide pipe are arranged between the heating seat and the reaction container, and a support is arranged in the reaction container. A catalyst cylinder is arranged at the upper end of the support, and spiral blades are arranged on the outer side of the catalyst cylinder, fixedly connected with the catalyst cylinder and arranged on one side of the first flow guide pipe and one side of the second flow guide pipe. Carbon dioxide and water vapor are input into the reaction container through the two flow guide pipes, and the carbon dioxide and the water vapor entering the reaction container spirally flow along the surfaces of the spiral blade and the catalyst cylinder under the guidance of the spiral blade, so that the carbon dioxide can be in full contact with the water vapor, and the carbon dioxide can fully react with the catalyst cylinder; and the reaction efficiency of the photocatalytic reduction CO2 reaction device is improved.

This utility model discloses a high-temperature steam waste heat recovery and reuse device for deodorization towers, comprising: a deodorization tower body, an mounting base fixedly installed on the outer wall of the deodorization tower body, a preheating box fixedly installed on the top wall of the mounting base, an oil storage tank fixedly installed inside the preheating box, a steam pipe fixedly installed at the top of the deodorization tower body, a diverter fixedly installed at the end of the steam pipe away from the deodorization tower body, a first spiral heat-conducting pipe fixedly installed on the diverter, and a second spiral heat-conducting pipe fixedly installed on the diverter, the first spiral heat-conducting pipe being sleeved on the outer wall of the oil storage tank, and the second spiral heat-conducting pipe being installed in the inner cavity of the oil storage tank. This utility model realizes the utilization of waste heat from the high-temperature steam of the deodorization tower, preheating the edible oil to be deodorized, thus greatly reducing the heating time required for the edible oil to be deodorized during deodorization processing and improving the efficiency of edible oil deodorization processing.

The invention relates to the technical field of water dispensers, and discloses a cold boiled water dispenser, a constant temperature control method and a high temperature sterilization method.The cold boiled water dispenser comprises a heating water tank, a heat exchange module, a control module and a first water inlet valve, and a heating inlet, a boiled water outlet and an exhaust port are formed in the heating water tank; two ends of the first water inlet valve are respectively communicated with an external water source and the heating inlet; the boiled water outlet is connected with a boiled water control valve; the water heater is characterized by further comprising a second water inlet valve and a constant-temperature water tank, a first high-water-level electrode, a first low-water-level electrode, a first electric heating tube and a first temperature probe are arranged in the constant-temperature water tank, a cold water inlet and a constant-temperature outlet are formed in the constant-temperature water tank, and a cold water inlet and a cold water outlet are formed in the heat exchange module. Two ends of the second water inlet valve are respectively communicated with an external water source and the cold water inlet, the cold boiled water outlet is communicated with the cold boiled water inlet, and the constant-temperature outlet is connected with a cold boiled water control valve; the cold boiled water dispenser has a constant-temperature water outlet effect and a high-temperature sterilization effect.

The utility model relates to an efficient displacement heat exchanger, and relates to the technical field of heaters, the efficient displacement heat exchanger comprises a displacement heat exchanger body, and the displacement heat exchanger body comprises a coal hot water inlet pipe, a coal hot water outlet pipe, a heated water inlet pipe and a heated water outlet pipe which are communicated with the displacement heat exchanger body; the coal hot water outlet pipe is fixedly connected and communicated with a waste heat recovery pipe, a first heat exchange coil pipe is installed in the waste heat recovery pipe, the heated water inlet pipe is fixedly connected and communicated with a preheating pipe, and a second heat exchange coil pipe is installed in the preheating pipe. The second heat exchange coil pipe and the first heat exchange coil pipe are fixedly connected and communicated through a connecting pipe used for connecting the second heat exchange coil pipe and the first heat exchange coil pipe, and a pump body used for driving a medium in the connecting pipe to circulate is installed on the connecting pipe. The method has the effect of improving the heat utilization rate of coal heat.

The invention belongs to the technical field of electric arc zinc spraying, and particularly relates to a micro-channel zinc spraying aluminum flat pipe surface zinc spraying technology, a used zinc spraying device comprises a spraying box, a cooling component and a preheating component, the cooling component is arranged at the right end of the interior of the spraying box, and the preheating component is arranged at the left end of the interior of the spraying box. According to the cooling device, the aluminum flat pipe subjected to electric arc zinc spraying is cooled through the cooling component, hot air flow is not generated through heat exchange, the hot air flow is made to conduct preheating treatment on the aluminum flat pipe not subjected to zinc spraying through the preheating component, and heat is reused; meanwhile, the screw pitch of the spiral spoiler is gradually reduced leftwards, that is, the airflow is gradually reduced along a spiral leftward channel of the spiral spoiler, so that the flowing speed of the airflow is gradually increased, the speed of hot airflow entering the preheating sleeve through the air inlet pipe, the purification box and the air outlet pipe is increased, and heat loss of the hot airflow in the flowing transmission process can be reduced; and the preheating effect on the aluminum flat pipe is improved.

The utility model relates to the technical field of waste gas treatment, in particular to a VOC waste gas catalytic pretreatment device which comprises a base, a combustion furnace is fixedly mounted on the top surface of the base, an exhaust pipe is mounted at the top end of the combustion furnace, a combustor is mounted at the bottom of the combustion furnace, and a catalytic bed is mounted at the upper part of the combustion furnace; a preheating cylinder is arranged on the periphery of the combustion furnace, and a spiral partition plate located in the preheating cylinder is fixedly installed on the periphery of the combustion furnace. The periphery of the combustion furnace is provided with an air inlet. The periphery of the preheating cylinder is fixedly connected with an air inlet pipe assembly. Through the arrangement of the preheating cylinder, heat in the combustion furnace can be radiated into the preheating cylinder to preheat waste gas in the preheating cylinder, so that the temperature of the waste gas is increased, and the cost of the treatment process is reduced; and the spiral ventilation cavity is formed between the preheating barrel and the combustion furnace through the spiral partition plate, so that the moving path of the waste gas in the preheating barrel is prolonged, the preheating time of the waste gas in the preheating barrel is prolonged, and the preheating effect of the waste gas is improved.

The invention discloses a drying and cooling device for varnished wire processing, and relates to the technical field of varnished wire processing equipment.The drying and cooling device comprises a winding machine, a drying machine and a cooling box, and preheating pipes penetrate through the interior of the drying machine and the interior of the cooling box; and the preheating mechanism comprises a preheating pipe arranged at the feed port of the dryer. By arranging the preheating mechanism, the surface of the varnished wire entering the dryer can be preheated, the varnished wire is usually provided with a coating or a paint layer, the coating is very sensitive to temperature change, if the coating is directly exposed at high temperature, the coating is prone to cracking or peeling due to thermal shock, and the coating cannot be damaged. The expansion air bag is attached to the outer wall of the enameled wire in an expansion mode, so that the thermal shock effect caused by direct contact with high temperature can be avoided to a certain extent, temperature change is smoother, the risk of coating damage is reduced, and therefore the situation that the enameled wire directly enters a high-temperature drying machine to be dried, and consequently surface coating cracks or blisters or falls off is avoided; therefore, the molding effect of the dried enameled wire is improved.

The invention discloses a reaction kettle with an external raw material heating function, and relates to the technical field of reaction kettles. The invention provides a reaction kettle with a good preheating effect and an external raw material heating function, the reaction kettle comprises a rack and the like, the rack is fixedly connected with a material pump, the rack is fixedly connected with a reaction kettle, the inside of the reaction kettle is rotatably connected with a spiral rotating shaft, the material pump is in threaded connection with a connecting pipe, the connecting pipe is fixedly connected and communicated with a mounting plate frame, and the mounting plate frame is fixedly connected with a protective shell. The protective shell is fixedly connected with a driving motor, the protective shell is rotatably connected with a crankshaft, the protective shell is slidably connected with a movable frame, the movable frame is fixedly connected with paired extrusion plates, and the mounting plate frame is fixedly connected with paired heating pipes. According to the reaction kettle, materials such as oil sludge can be uniformly spread through the extrusion plate, the crankshaft and the like, so that the heating area of the materials is increased, and the flowability of the materials such as the oil sludge can be improved, so that the materials are quickly and uniformly heated, and the preheating effect of the reaction kettle with the external raw material heating function is improved.

This invention relates to a twin-body kiln structure, comprising a kiln I with a chimney I and a kiln II with a chimney II. Chimney I and chimney II are connected by a connecting pipe, which houses a fan. Kiln I has a flow guiding mechanism I corresponding to chimney I, and kiln II has a flow guiding mechanism II corresponding to chimney II. Both kiln I and kiln II are also fitted with jackets on their outer sides, forming insulation chambers between the jackets and their respective kilns I and II. One-way exhaust pipes communicating with the corresponding insulation chambers are installed on the side walls of both kiln I and kiln II. Exhaust pipes connected to the corresponding chimneys I and II are installed on the insulation chambers. This invention effectively recovers heat from the exhaust gases from kiln I and kiln II, achieving energy conservation.

The utility model discloses production equipment for an electronic-grade polycrystalline silicon packaging protective film, belongs to the technical field of film processing, and aims to solve the technical problems that the angles among multiple layers of raw material films are too large before the protective film is compounded, the preheating of the multiple layers of raw material films is not facilitated, and the compounding effect is reduced in the prior art. The production equipment of the electronic-grade polycrystalline silicon packaging protective film comprises a fixed shell, the raw material film rollers are arranged at one end in the fixed shell; the number of the raw material film rollers is at least two; the finished product film roller is arranged at one end, far away from the raw material film roller, in the fixed shell; the positioning pressing roller and the movable pressing roller are arranged at the position, close to the finished product film roller, in the fixed shell, and a driving mechanism used for driving the movable pressing roller to be close to the positioning pressing roller is arranged on the fixed shell; the guide rollers are arranged in the fixed shell and close to the raw material film roller; and a pair of guide rollers are arranged. The production equipment for the electronic-grade polycrystalline silicon packaging protective film has a relatively high pressing effect and is high in adaptability.

The present invention discloses a spiral coil heating flame preheating plug and a diesel engine, belonging to the technical field of engine cold start auxiliary system. The spiral coil heating flame preheating plug comprises a flame cover, a shell, an electromagnetic induction evaporation net, an oil inlet pipe and an electromagnetic induction spiral coil, wherein the wall of the flame cover is provided with ventilation holes, and is coaxially arranged in the inner cavity of the lower part of the shell; the electromagnetic induction evaporation net is sandwiched between the inner wall of the shell and the outer wall of the flame cover; one end of the oil inlet pipe is connected to the electromagnetic induction evaporation net, and the other end can be connected to the oil pump; the electromagnetic induction wire spiral coil is spirally wound on the outer wall of the shell and the position corresponding to the electromagnetic induction evaporation net; the inner cavity of the upper part of the shell forms a mixed gas cavity. The spiral coil heating flame preheating plug can significantly improve the cold start performance of the diesel engine in extremely cold and harsh environments.

The utility model relates to the technical field of cement production, and discloses raw material preheating equipment. The raw material preheating equipment comprises an outer end structure assembly, an inner heat preservation assembly is installed in the outer end structure assembly, a structure plate is installed in the inner heat preservation assembly, a flow guide plate is installed at the upper end of the structure plate, an inner layer is installed at the front end of the flow guide plate, and a ceramic layer is installed in the inner layer. An outlet is formed in the lower end of the inner layer, a conveying assembly is installed at the upper end of the outer end structure assembly, a conveying belt is installed at the lower end of the conveying assembly, a connecting opening is formed in the upper end of the conveying belt, and a conveying screw is installed in the conveying belt; the cement preheating device has the advantages that the problems that cement cannot be uniformly preheated when waste gas enters the device and the subsequent cement preheating effect is poor due to the fact that heat exchange is conducted between kiln tail waste gas and raw materials when a traditional preheating device is used are effectively solved, and the technical problem that the subsequent cement preheating effect is poor is solved.

This utility model relates to the field of blast furnace pulverized coal injection technology, specifically a blast furnace pulverized coal injection preheating system, including a conveying pipe. A heat exchange pipe is sleeved on the upper part of the outer wall of the conveying pipe, and an electric heating tape is wound around the lower part of the outer wall of the conveying pipe. During operation, the hot blast and waste air generated during blast furnace smelting are introduced into the heat exchange pipe through the air inlet pipe, exchanging heat with the conveying pipe to preheat the pulverized coal inside the conveying pipe. This improves energy utilization and reduces waste. The heat generated by the electric heating tape and the insulation effect of the insulation cotton keep the lower half of the conveying pipe at a high temperature, further improving the preheating effect, increasing the temperature of the pulverized coal, reducing the heat absorbed by the pulverized coal after entering the blast furnace, and improving the blast furnace thermal efficiency. Furthermore, when the hot blast and waste air supply is unstable, hot air generated by an external hot air fan can be introduced into the air inlet pipe to ensure stable heat exchange, making the preheating temperature more stable, thereby effectively improving preheating efficiency and energy utilization.

The utility model discloses a stirring device for producing Mannheim potassium sulfate, which relates to the technical field of Mannheim potassium sulfate production and comprises a production box, a preheating box is fixedly mounted at the top of an inner cavity of the production box, a mixing and stirring component is fixedly mounted in the production box, and a turning mechanism is movably mounted at the top of the production box. And a stirring mechanism is movably mounted at the bottom of the production box. The stirring mechanism is arranged, after Mannheim potassium sulfate production raw materials are guided in, a servo motor is started to be matched with a transmission toothed belt to drive a stirring rod to rotate, and therefore the raw materials can be stirred to be matched with a heating ring to conduct effective preheating work, and the preheating effect is improved; and the scraping plate can be driven to rotate while the turning rod is driven to rotate, so that the inner wall of the preheating box body can be effectively scraped and cleaned, and part of raw materials are prevented from adhering to the inner wall.

The present invention provides a casting device for a high-temperature alloy casting guide and a preparation method thereof, and relates to the field of alloy casting. The present invention includes an equipment housing, a discharge valve, a conveyor belt, a feed valve and a high-temperature smelting furnace, wherein a partition frame is fixedly connected inside the high-temperature smelting furnace, and a partition block, a collection frame, a filter screen and a metal pipe are arranged inside the partition frame, and a plurality of stirring frames are fixedly connected to the outside of the metal pipe, and a heat exchange exhaust assembly is installed on the metal pipe. The arrangement of the thin plate, the rubber plate, the two baffles and the sewage pipe of the present invention enables water supply and pumping to be carried out in the same pipeline, thereby reducing the equipment cost investment, and the water supply and pumping of the water supply assembly must pass through the transmission pipe, and the water supply assembly provides uninterrupted power for the transmission assembly.

The invention discloses a carbon fiber preheating heating device and a using method thereof, and relates to the technical field of carbon fiber preheating, the carbon fiber preheating heating device comprises a preheating heating equipment frame, a conveying sliding rail is installed on the preheating heating equipment frame, and a control system for controlling the conveying sliding rail is arranged on the outer wall of the preheating heating equipment frame; a preheating bin is connected to the conveying sliding rail in a sliding mode, an ejection assembly is arranged in the preheating bin, a fiber piece is placed at the top end of the ejection assembly, the end of the ejection assembly is connected with a linkage assembly, the linkage assembly is connected with a clamping assembly, and the clamping assembly is connected with the conveying sliding rail in an inserted mode. The clamping assembly is connected with the output end of the driving motor, and the driving motor is installed on the linkage assembly. Compared with outdoor preheating, the device adopts the sealed preheating bin, air is uniformly heated through the heating element, and uniform distribution of temperature is realized, so that the preheating effect is favorably improved, and the carbon fiber material can reach the preset temperature and preheating state.