125results about How to "Avoid burn hazard" patented technology

An LED bulb includes a lower cover having ventilation holes formed at outer periphery thereof, and a first coupling opening formed at top side thereof; a separating unit provided within the lower cover at a position between lower edges of the ventilation holes and bottom side of the lower cover, and having a convection pathway formed at top side thereof; a heat sink having bottom end positioned on top side of the separating unit; and an upper cover having top side formed with convection hole corresponding to top end of the heat sink, and a second coupling opening formed at bottom side thereof. When the second and first coupling openings are coupled with each other, the upper and lower covers are assembled together to form a central axis bidirectional convection heat dissipation pathway sequentially through the ventilation hole, the convection pathway, the heat sink and the ventilation hole accordingly.

The present invention provides an electric rice cooker which does not discharge steam. The electric rice cooker comprises a pressure regulating valve which is arranged on an inner cover and used for limiting discharge of steam in an inner pot and maintaining a certain pressure, a steam channel used for discharging the steam discharged from the pressure regulating valve outside of a cover, a heating mechanism used for heating the inner pot, and a control mechanism used for controlling electric power of the heating mechanism; wherein, the cover is provided with a first temperature sensor used for detecting the temperature in the inner pot, the steam channel is provided with a second temperature sensor used for detecting discharge of the steam from the pressure regulating valve through temperature changes, the control mechanism uses the heating mechanism to heat the inner pot according to a prescribed rice cooking process, and controls the electric power supplied to the heating mechanism in the way as follows, when the temperature of the first temperature sensor reaches a prescribed temperature, the control mechanism reduces the electric power supplied to the heating mechanism, and when the second temperature sensor detects the discharge of the steam, the control mechanism enables the electric power supplied to the heating mechanism to be reduced more than the above reduced electric power, so as to maintain the pressure in the inner pot to be higher than the atmospheric pressure within the limits that the pressure regulating valve as far as possible does not perform a pressure regulating motion.

The invention relates to a steam generator and a method for controlling water level thereof, in particular a method for controlling the water level of a high efficiency steam generator, wherein the high efficiency steam generator is provided with a thin and long vertical cylinder; a water source is supplied from the bottom of the vertical cylinder so that the interior of the vertical cylinder form a certain water level; a power supply is connected on a heater wound outside the vertical cylinder; the vertical cylinder is heated so that the water level inside the vertical cylinder generates steam, and the steam is sprayed outwards through a steam discharge device at the top of the vertical cylinder; and the water source is periodically supplied into the thin and long vertical cylinder, and the steam can be continuously generated. The high efficiency steam generator not only can save water and electricity consumption, but also can adjust the water level in the vertical cylinder by using a temperature measurement instrument, a water supply pump and a timer.

The invention discloses a tea set used for boiling, dissolving and dumping tea cream. A dissolver (2) is connected to a pot mouth of a tea pot in a suspended mode. The dissolver (2) which is entirely arranged in the tea pot is composed of a bowl-shaped inward concaved circular platform on the upper portion and a hollow cylinder on the lower portion. The bottom of the hollow cylinder is closed, and the side edge of the bottom is provided with at least two horn-shaped channels (12) which gradually become larger from inside to outside, incline downward and are communicated with an inner cavity of the tea pot. An outward extending arc-shaped glass stick (4) is arranged on the upper portion of a tea pot handle (5). The top end of the arc-shaped glass stick (4) is buckled on a tea pot lid (3). An electromagnetic wave absorbing coating (8) is plated on the outer bottom surface of the tea pot. The tea set used for boiling, dissolving and dumping the tea cream adopts the design element of dragons in the Chinese traditional culture, fuses art and culture, fills up the blank of tea cream brewing tools, promotes the tea culture of China, and better shows the court art of tea cream.

The invention discloses a ceramic oven. The ceramic oven comprises an oven body, a support arranged at the lower end of the oven body and an oven top arranged on the oven body; a charcoal pad, a guide plate and a roasting net are sequentially arranged in the oven body from bottom to top; the oven body is provided with an air inlet; an air door device for adjusting air quantity is arranged at the air inlet; the oven body is provided with a charcoal filling port; the charcoal filling port is positioned between the charcoal pad and the guide plate. The lower oven body is provided with the charcoal filling port additionally, an oven lid is not required to be opened when a user selects smoking or continuous smoldering, the device is used for filling charcoal in any place at any time, and the danger that the user is scalded in the charcoal filling process can be avoided.

The invention relates to an energy-saving electromagnetic water heater, which comprises a controller and a heating cavity made of metal as well as a heating body positioned in the heating cavity. The heating cavity is respectively connected with a water feeding pipe and a water discharging pipe and is externally provided with an electromagnetic coil externally as well as an insulated conductive layer installed or coated on the external surface; the electromagnetic coil is twined outside the insulated conductive layer, which is externally provided with an electromagnetic screening cap; further more, the heating body is in sheet shape, which is installed in cascade; a water flow channel is arranged between the heating sheets. The invention with the design has the advantages of rational structure, long service life and high heat utilizing efficiency without radicalization.

The invention discloses a heat exchanger of an oil heater. The heat exchanger comprises two oil pipes and multiple heat dissipation plates, wherein the two oil pipes are distributed vertically at an interval; and two ends of each heat dissipation plate are disposed on the two oil pipes respectively, an oil way channel communicating with the two oil pipes is disposed inside each heat dissipation plate, eat least one side edge of each heat dissipation plate is bent towards the other heat dissipation plate so as to form a bent part, bent parts with the same bending direction are disposed on the same side edge of at least two heat dissipation plates, and at least a part of one of the adjacent bent parts on the same side is located on the outer side of the other bent part so as to form an air flow channel. The heat exchanger of the oil heater disclosed by the invention has the advantages that flowing strength of air on the outer surface of the heat dissipation plates can be increased; the temperature on edges of the heat dissipation plates can be reduced; the heat dissipation capacity of the heat dissipation plates can be enhanced; and a user is prevented from being scalded during use of the heat exchanger of the oil heater.

The invention discloses an intelligent water dispenser capable of automatically looking for a cup opening. The water dispenser is suitable for water drinking occasions at home, images of a part undera water outlet can be collected by a camera in real time to determine whether or not an object below the water outlet is a cup for taking water. Water can flow out by pressing a water outlet switch button only when the cup is positioned below the water outlet, so that the scald risk caused by children who touch the switch button by mistake is avoided. At the same time, the images of the cup opening below the water outlet are collected by the camera, the center of the cup opening is located, and a control module installed in a water dispenser body can control a sliding rail and adjust the position of the cup, so that the water outlet faces the center of the cup opening, and hot water is prevented from spilling out. A gravity detection module installed on a water inlet can monitor the weightof a water barrel in real time, and a user can be reminded to change the water barrel in time through a voice broadcast module under the condition that there is little water. The water dispenser is user friendly in design, capable of saving electric energy and preventing scalds by mistake, low in cost, convenient to use in families and conducive to popularization.

The numerically controlled constant-temperature water conveying device is one device to make water heater output constant-temperature hot water. The technological scheme includes connecting CPU to operating unit, display, temperature collector and numerically controlled driver; and connecting the mechanical water mixer to the temperature collector and the numerically controlled driver. The temperature collector consists of non-shielded anti-jamming amplifier, temperature sensor connected to the input of the amplifier and A / D converter connected to the output of the amplifier. The mechanical water mixer consists of water mixing seat, water mixing chamber, cold water inputting controller and hot water inputting controller. The present invention has the functions of controlling the temperature of the electric water heater and outputting constant-temperature hot water, and may be used to replace available electric control board.

The invention discloses an accumulated water treatment device of a steaming and baking oven, the steaming and baking oven and a control method. The steaming and baking oven is provided with a cavity used for accommodating articles to be heated. The accumulated water treatment device comprises a heating device; and the heating device heats the bottom of the cavity to perform accumulated water treatment, and controls the on / off state of the accumulated water treatment device according to the detected temperature of the bottom of the cavity so as to perform / stop the accumulated water treatment inthe cavity. The accumulated water treatment device can timely remove accumulated water in the cavity, and can avoid the environment pollution in the cavity of the steaming and baking oven due to bacterium breeding in the accumulated water, so that the work environment in the baking oven is more sanitary. The accumulated water treatment device has the advantages that the cavity bottom deformationand color change cannot be caused in the accumulated water treatment process; meanwhile, the temperature lowering characteristics of the accumulated water are used; the temperature is used for controlling the on / off state of the accumulated water treatment device; the accumulated water treatment process is effectively controlled; the timely treatment on the accumulated water is realized; and the equipment damage or danger due to too high heating temperature is avoided.

The invention discloses a rapid clamping and casting mechanism applied to the field of casting. The rapid clamping and casting mechanism comprises a base, a mold with a casting port at the top is fixedly mounted on the base, a sleeve for placing the mold is rotatably mounted at the top of the base, a plurality of through grooves are formed in the outer side of the sleeve, sliding sleeves are rotatably mounted in the through grooves, first connecting rods slidably connected with the sliding sleeves are rotatably mounted at the top of the base, and the free ends of the multiple first connectingrods are rotatably connected with rollers tangent to the surface of the mold. According to the rapid clamping and casting mechanism, when the sleeve rotates clockwise, the first connecting rods are driven to rotate outwards relative to the mold, the mold is loosened and taken out conveniently, when the sleeve rotates anticlockwise, the first connecting rods are driven to rotate inwards relative tothe mold, the mold is clamped, the mold is fixed conveniently, meanwhile, automatic centering of the mold can be achieved, it is guaranteed that the central axis of the mold and the central axis of the sleeve are collinear, therefore, accurate communication between a casting funnel and the casting port is guaranteed, and molten iron splashing or overflowing during casting is avoided.

The invention discloses an automatic cocoon cooking device. The automatic cocoon cooking device comprises a supporting plate and a cocoon cooking tank of a rectangular structure. A sliding rod is arranged at the bottom of the supporting plate, and a sliding block and a driving mechanism for driving the sliding block to move are arranged on the sliding rod. The cocoon cooking tank is located below the sliding block; an insertion groove is formed in the top end of the cocoon cooking tank, and a cover plate and a cover plate opening and closing mechanism are movably installed in the insertion groove; a cocoon cooking frame and two bearing plates are arranged in the cocoon cooking tank, the two bearing plates are arranged on the inner walls of the two sides of the cocoon cooking tank, the cocoon cooking frame is movably placed on the two bearing plates, connecting rods are arranged at the bottom ends of the two sides of the cocoon cooking frame, and rollers are arranged at the ends of the connecting rods and matched with groove-shaped guide rails vertically arranged on the inner walls of the cocoon cooking tank; cavities are formed in the side walls and the bottom wall of the cocoon cooking tank, and conduction oil and electrical heating rods are arranged in the cavities. A cocoon cooking frame lifting mechanism is arranged at the bottom of the sliding block, a water inlet and air holes are formed in the cover plate, a draining pipe is arranged below one side of the cocoon cooking frame, and a valve is arranged on the draining pipe.

The invention discloses a full-automatic PTFE film / fiber stretching and sintering machine. The full-automatic PTFE film / fiber stretching and sintering machine comprises a box body with a sealed stretching and sintering chamber and a temperature control part, an unwinding device is arranged on one side of the box body, a winding device is arranged on the other side of the box body, in the conveyingdirection of PTFE films / fibers, a plurality of stretching roller assemblies for carrying out constant-force stretching treatment on the PTFE films / fibers and a power mechanism for driving the stretching roller assemblies to rotate at a constant speed are arranged in the stretching and sintering chamber; the full-automatic PTFE film / fiber stretching and sintering machine further comprises a brokenend connecting system which pulls the broken PTFE films / fibers to be sequentially wound on the stretching roller assemblies in a staggered mode and is connected with the winding device when the PTFEfilms / fibers in the stretching and sintering chamber are broken. The invention further discloses a method for stretching and sintering the stretching and sintering machine. By arranging a traction device and a lifting device, the PTFE films / fibers can be sequentially wound on the stretching roller assemblies in a staggered mode again without opening a door, and the problem of breakage of the PTFEfilms / fibers in the stretching and sintering process can be effectively solved.

The invention discloses an anti-skidding cup which comprises a cup body (1), a handle (2) and a circular ring (3), wherein the circular ring (3) is arranged on the handle (2). The anti-skidding cup has the beneficial effects that the skidding of the cup body, the overflowing of liquid in the cup and other problems caused by cup weight or the sweating of the palm of the user can be avoided; and meanwhile, the danger that the palm of the user is scaled because the palm of the user directly contacts the cup body can be avoided. The anti-skidding cup has the advantages of simple structure and low cost, is easy to produce and is beautiful.

The invention discloses an EVA secondary foaming formation machine and a formation method thereof. The EVA secondary foaming formation machine comprises a pedestal. The two sides of the top of the pedestal are both fixedly connected with guide rods, and the top ends of the guide rods are fixedly connected with a top plate. The top of the top plate is fixedly connected with an oil cylinder, and thebottom of the top plate is fixedly connected with a hydraulic telescopic rod. The bottom end of the hydraulic telescopic rod is fixedly connected with a movable block. The surface of the movable block and the surfaces of the guide rods are movably connected. The bottom of the movable block is movably connected with an upper mold, and the top of the pedestal is movably connected with a lower mold.A cold water tank and a hot water tank are arranged on the two sides of the inside of the pedestal correspondingly. According to the EVA secondary foaming formation machine and the formation method thereof, a heating station and a water cooling station are integrally arranged, so that manpower is saved, and the scalding danger of operators is avoided; and meanwhile, the problem that the water cooling station directly sprays the hot molds to generate steam and accordingly the humidity of the working environment is extremely high is evaded, operation is easy, the needs of batch production can be met and using by people is facilitated.

The invention discloses a gas cooker support and a gas cooker, including a cooker, a support seat is arranged on the cooker, and four sets of support rods are hinged on the side of the support seat away from the cooker. The ends of the support rods far away from the support seat are provided with rotating shafts, and the four groups of supporting rods are connected with supporting claws through the rotation of the rotating shafts, and the outside of the four groups of supporting rods is provided with an adjusting ring plate, and the center of the adjusting ring plate is provided with a threaded hole. The outer sides of the four sets of support rods are all provided with external threads that match the threaded holes, and the outer sides of the adjustment ring plate are provided with fixed support sleeves. The fixed support sleeves are vertically installed on the bracket seat, and the fixed support sleeves A push rod is connected, and the push rod is connected with the support seat through a spring. The invention has the advantages of simple structure, convenient use and convenient positioning, and avoids the danger of scalding. Meanwhile, the supporting range of the supporting claws can be adjusted according to the size of the used pot, and the utility model has wide applicability.

The embodiment of the invention provides an intelligent drinking water device and its control method. The intelligent drinking water device includes a mechanical switch, an electronic switch and a controller, the controller is used for judging whether water is normally used or not according to the on-off state of the two switches, if yes, a water discharge amount detection device is indicated to acquire the water discharge amount, if no, the electronic switch is controlled to be turned off, and a playing command is sent to a voice playing device. The control method includes the following steps that the states of the mechanical switch and the electronic switch are detected in real time; when the electronic switch is switched from the off state to the on state, whether the mechanical switch is in the on state or not is judged, if yes, the electronic switch is turned off, a prompting voice is output, if no, the water discharge amount is acquired when the mechanical switch is switched from the off state to the on state. Through the addition of the electronic switch, the states of the two switches are detected in real time, the mechanical switch and the electronic switch have set turning-on sequences, hot water does not flow out easily, and the safety of users and children is ensured to the greatest extent.

The invention relates to the technical field of heater equipment, in particular to a wall-mounted heater and a mural heater. The wall-mounted heater comprises a heating panel, a heating plate and a back plate, wherein the back plate is of a groove-shaped structure; radiating holes are formed in an upper groove wall and a lower groove wall of the back plate; the heating panel is fixedly connected with the upper edges of the groove walls of the back plate; the heating plate is fixedly arranged in the groove of the back plate; a clearance is reserved between the groove bottom of the back plate and the heating plate; a clearance is also reserved between the heating plate and the heating panel; and the heating plate and the heating panel are electrically connected with a power supply. The mural heater comprises the wall-mounted heater and a mural, wherein the mural is fixedly arranged on the outer surface of the heating panel of the wall-mounted heater. The wall-mounted heater and the mural heater, provided by the invention, are excellent in heating effect, reduce the scald situation, are full-bodied in artistic atmosphere and also have the technical advantages of stable structure and high practicality.

The invention discloses an aluminum alloy ingot automatic production line with convenient discharging. The aluminum alloy ingot automatic production line with convenient discharging comprises a bottomplate, a first driving motor is fixedly connected to one side of the top of the bottom plate, and an output shaft of the first driving motor is fixedly connected with a first runner. A second runneris connected to the surface of the first runner through a first belt in a drive mode, a first crawler wheel is fixedly connected to the back face of the second runner, and a second crawler wheel is connected to the surface of the first crawler wheel through a crawler in a drive mode. An ingot groove is fixedly connected to the surface of the crawler, and a first fixing frame is fixedly connected to the left side of the top of the bottom plate. The whole automatic production line can quickly blow off residual moisture and impurities on a casting die, it is ensured that the casting die is cleanand dried, the quality of an aluminum alloy ingot is improved, the service life of the casting die is prolonged, meanwhile, crystallization time of molten liquid is shortened, the efficiency of casting is greatly improved, the safety of the casting process is ensured, and the aluminum alloy ingot automatic production line with convenient discharging is worth being popularized and used in actual production.

The invention discloses an injection mold provided with an anti-jamming mechanism, and relates to the technical field of mold processing and manufacturing. The injection mold comprises a rack, a moving mold component, a fixed mold component, mold ejection mechanisms, a rotating demolding control mechanism, a rotating control mechanism and a rotating control mechanism sliding seat. The injection mold has the beneficial effects that the injection mold has the demolding function, and a demolded mold can be discharged automatically; the rotating demolding control mechanism and the rotating controlmechanism are arranged, so that the jamming phenomenon is prevented when the rotating control mechanism drives the rotating demolding control mechanism to rotate and reset, normal injection molding production operation is guaranteed, and the equipment working efficiency is improved. The moving mold component is arranged at the upper end of the rack, the fixed mold component is arranged in the middle of the rack, the two mold ejection mechanisms are symmetrically arranged on the fixed mold component, the rotating demolding control mechanism is arranged on the rack and is located below the fixed mold component, and the upper end of the rotating demolding control mechanism is attached to the two mold ejection mechanisms.

The invention discloses a biomass energy-saving and environment-friendly furnace. The biomass energy-saving and environment-friendly furnace comprises a box, a furnace fire port, a fuel chamber and anelectric air blower. The lower end of the box is provided with a feed rod. The lower end of the feed rod is provided with a feed hopper. The electric air blower is arranged on the right side of the feed hopper. A driving motor is mounted at the lower end of the electric air blower. A feed pipe is arranged on the right side of the driving motor. The output end of the driving motor is connected with a spiral transmission rod through a connecting rod. The upper end of the spiral transmission rod is provided with an air supply pipeline. A rigid partition board is mounted on the right side of theair supply pipeline. The fuel chamber is arranged on the right side of the electric air blower. The lower end of the fuel chamber is provided with a sealing cover. The upper end of the furnace fire port is provided with an air baffle. The lower end of the fuel chamber is provided with a movable baffle. The lower end of the movable baffle is provided with an ash bin. The lower end of the ash bin isprovided with a water tank. The biomass energy-saving and environment-friendly furnace can absorb heat of the wall of a furnace body through the water tank, and the energy utilization rate of the energy-saving furnace is increased; moreover, the biomass energy-saving and environment-friendly furnace has the advantages that the furnace has the heat insulation and heat preservation effects, the heat storage time of the furnace is shortened, the temperature of the furnace wall is lowered, and the safety performance is improved.

The invention discloses an oil-filled heater. The oil-filled heater comprises two oil tubes and a plurality of cooling fins, wherein the two oil tubes are distributed vertically in a spaced mode; and the two ends of each cooling fin are arranged on the two oil tubes correspondingly, an oil channel communicating with the two oil tubes is formed in each cooling fin, and air chambers, a distance away from the corresponding oil channel, are formed in one or more side edges of each cooling fin; a top air outlet is formed in each air chamber, and air inlets are formed in all opposite side walls of the air chambers; and a guide plate used for guiding air into the corresponding air chamber is arranged in each air inlet. By adoption of the oil-filled heater, the cooling areas of the edges of the cooling fins can be enlarged, the flow intensity of air on the inner surfaces and the outer surfaces of the cooling fins is enhanced, the temperatures of the edges of the cooling fins are increased, the cooling capacity of the cooling fins is improved, and the danger that a user is scalded in the use process of the oil-filled heater is avoided.

The invention discloses a health pot lid, a health pot and a health pot lid usage method. The health pot lid comprises a pot lid, a filtering screen and a filtering screen cover. A round hole is formed in the pot lid, and the filtering screen penetrates the round hole to stretch into a pot body and fixed in the round hole of the pot lid. The filtering screen cover covers the filtering screen and is screwed with the pot lid. According to the health pot lid, the health pot and the health pot lid usage cover, the round hole is formed in the pot lid, the filtering screen penetrates the round hole to stretch into the pot body to be disposed at the round hole of the pot lid, and the filtering screen cover is screwed with the pot lid, so that during usage, the filtering screen can be taken out conveniently for food adding, or foot to be added can be put in the filtering screen by only opening the filtering screen cover, then the filtering screen cover is screwed in, and food can be boiled continuously; the danger of scalding of users due to the fact that food can be added only by opening the pot lid during food adding in the food boiling process is prevented; the health pot lid, the health pot and the health pot lid usage method have the advantages of being safe, practical, convenient to use, low in cost, reliable and the like.

The invention discloses a tiltable electric heating steam-jacked pot in the technical field of electric heating steam-jacked pots. The outer wall of the top of an inner pot body is provided with a boss matched with a hanging lug, wherein the boss props against the top of the hanging lug; a steam channel is arranged between an outer pot body and the inner pot body; a longitudinal sliding plate is arranged at the center of the bottom of the outer pot body; a motor is arranged at the rear side of the top of a supporting seat; an output end of the motor is connected with an adjusting screw rod; afixed block is fixedly arranged at the front side of the motor; a push block is fixed at the front side of the fixed block; the adjusting screw rod sequentially passes through the fixed block and thepush block from back to front and is then connected with a supporting plate; the side wall of the longitudinal sliding plate is provided with a through longitudinal sliding groove; the supporting plate is movably connected with the longitudinal sliding plate by means of a fastening bolt. The tiltable electric heating steam-jacked pot has an angle-adjustable tilting function, so that the convenience of taking and placing materials is improved, and the practicality of the steam-jacked pot is increased.

The invention discloses an intelligent rotary knob of a gas stove, and a control method thereof. The intelligent rotary knob comprises a rotary knob body, a temperature indication module, a temperature detection module and a control module, wherein the temperature indication module is arranged on the surface of the rotary knob body; the temperature detection module is arranged in the rotary knob and is used for detecting the temperature data of the rotary knob body and sending the temperature data to the control module; and the control module is used for detecting whether the temperature dataexceeds a preset threshold value or not, and if yes, the temperature indication module is controlled to light up for indicating. According to the intelligent rotary knob of the gas stove, and the control method thereof provided by the invention, the temperature detection module and the temperature indication module are arranged on the rotary knob, the temperature detection module can detect the temperature of the surface of the rotary knob, and when the temperature is higher than the temperature enabling a user to feel hot in skin, the control module controls and communicates with a circuit the temperature indication module so as to enable the temperature indication module to light up, and the user is prompted that the temperature of the rotary knob is too high, so that the occurrence of the dangers such as scald is prevented.

The invention relates to smoke exhaust equipment of a coal stove. The smoke exhaust equipment comprises a smoke exhaust pipe, a dust collecting cover, a connecting pipe and a box body, wherein the dust collecting cover comprises a funneled upper section, a cylindrical middle section and a funneled lower section, the big ends of the upper section and the lower section are fixedly connected with theupper end and the lower end of the middle section respectively, the lower section of the dust collecting cover is inserted into the box body, a valve which is used for cleaning dust is arranged on the small end of the lower section of the dust collecting cover, one end of the smoke exhaust pipe communicates with the coal stove, the other end of the smoke exhaust pipe communicates with the middlesection of the dust collecting cover, a heat exchange water tank is arranged on the outer side of the smoke exhaust pipe, one end of the connecting pipe communicates with the small end of the upper section, and the other end of the connecting pipe is inserted into the box body. According to the smoke exhaust equipment of the coal stove, heat in the smoke exhaust pipe is fully used, so that the utilization rate of the coal stove is increased, the dust collecting effect is achieved, toxic gas in smoke can be treated, and the pollution is reduced.

The invention discloses a heat-resistant efficient heat-exchanging seamless steel pipe, which comprises an inner pipe and an outer pipe which are arranged coaxially. According to the structural key points, annularly-arrayed heat exchange holes are formed in the inner pipe and the outer pipe correspondingly, heat exchange columns are arranged in the heat exchange holes in a matched mode, the two ends of the heat exchange columns are arranged inside the inner pipe and outside the outer pipe correspondingly, outer threaded parts extending from the middle to the two ends are arranged on the outersurfaces of the heat exchange columns, and locking circular plates and heat dissipation sheets are connected to the outer threaded parts in a screwed mode; and the upper ends of the heat exchange columns are connected with heat dissipation plates, the lower ends of the heat exchange columns are connected with heat exchange balls, cavities are formed in the heat exchange balls and internally provided with purifying particles, and purifying openings communicating with the cavities are formed in the heat exchange balls. Compared with the prior art, the heat-resistant efficient heat-exchanging seamless steel pipe has the beneficial effects that the design is reasonable, the structure is simple, tail gas heat in an exhaust pipe can be rapidly subjected to heat exchange, thus the danger that dueto the excessively high temperature of the exhaust pipe, thermal deformation is formed and other people are scalded is avoided, and the long service life and high safety are achieved.

The invention discloses a chromatographic column temperature control device for a supercritical fluid chromatography system. The device can switch different chromatographic columns online, a preheaterdevice can effectively heat the liquid carbon dioxide to a supercritical state to ensure that the liquid carbon dioxide reach a supercritical state before entering the chromatographic columns, the design of a circulation channel ensures uniform heat in all parts of a column oven, the whole device can be controlled by computer software to control the temperature and select the chromatographic columns, the operation is more convenient, and the automation is high.

The invention belongs to the field of aluminum ingot continuous casting production equipment and discloses a slag removing device of an aluminum ingot continuous casting production line slag removing robot in order to solve the problems that in the process that a slag removing shovel of a robot is replaced in the existing method, the replacing time is long, and high temperature danger is caused. The slag removing device comprises a fixing frame, a slag shovel assembly and a fast replacement clamp; the fixing frame is of a T-shaped structure and comprises a vertical frame and a horizontal frame; one end of the vertical frame is connected with the robot, and the other end of the vertical frame is connected with the horizontal frame; the slag shovel assembly comprises a slag shovel plate and a slag shovel base which are fixedly connected; the slag shovel assembly is located at the position below the fixing frame; and the slag shovel base is detachably connected with the horizontal frame through the fast replacement clamp. The slag removing device can achieve online fast replacement of a slag removing shovel, the work efficiency is improved, high temperature disassembling and assembling operation is avoided, and the safety of the operating process is improved.

The invention discloses an automatic power adjusting electric heater facility and method for automatically adjusting the electric heater power according to the temperature requirements of different crowds, and accordingly, the electric heater shell temperature or the air outlet temperature is automatically adjusted. The method comprises the steps that images of the electric heater facility within the preset range are obtained, a target in the images is recognized, and the target attribute is determined; according to the corresponding relation between different target attributes and the target temperature, the target temperature corresponding to the target attribute of the recognized target is determined; and the temperature of the assigned part of the electric heater facility is collected, and when it is determined that the determined target temperature is not reached, the power of the electric heater facility is adjusted till the determined target temperature is reached.