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177 results about "Line heating" patented technology

Preparation method of precise seamless steel tube for drill rod of rotary drilling rig

The invention discloses a preparation method of a precise seamless steel tube for a drill rod of a rotary drilling rig, and relates to the field of steel tubes. Comprising the following steps that raw materials are prepared and smelted, molten iron or high-purity waste steel with low phosphorus content, low sulfur content and low gas content is selected as a main raw material, and then the main raw material is subjected to external refining, component fine adjustment and continuous casting and blank treatment; hot piercing is carried out, specifically, the continuous casting round billet is loaded into an annular heating furnace, a multi-section heating system is adopted for heating, and then hot piercing treatment is carried out in a two-roller skew rolling piercing machine; hot rolling extension is conducted, specifically, the perforated tubular billet is rapidly fed into an online heating furnace, and then rolling is conducted on a multi-rack retained core rod or full-floating core rod continuous pipe rolling machine; and sizing / reducing, and rapidly heating. The steel pipe has rigidity, strength and humanity, the fatigue life of the steel pipe is prolonged, meanwhile, the surface smoothness of an inner hole is high, the dimensional tolerance of the inner diameter and the outer diameter is accurate, the wall thickness uniformity is high, the straightness is good, and in addition, the steel pipe also has high internal cleanliness and good wear resistance.
Owner:JIANGSU HENGXING JINQIAO SPECIAL VEHICLE CO LTD

System and method for inhibiting wafer scratch in double-sided polishing and double-sided polishing equipment

The invention provides a system and method for inhibiting wafer scratching in double-sided polishing and double-sided polishing equipment. The system comprises: a shunt manifold valve group, which shunts a polishing liquid main flow path into at least three independent branches respectively corresponding to the inner, middle and outer areas of a polishing pad; the at least three online heating units are respectively arranged on each branch to independently heat the polishing solution; the temperature monitoring device comprises at least three temperature sensors which are arranged in different areas and is used for monitoring the temperature of the three areas in real time; and the control system independently regulates and controls the power of each heating unit based on temperature feedback, a preset non-uniform radial temperature gradient is established and maintained on the polishing pad, and the gradient is configured that the temperature of the middle area is not lower than that of the inner area, and the temperature of the inner area is higher than that of the outer area. Thermal deformation of the polishing pad is optimized through partitioned independent temperature control, and wafer scratching is effectively restrained.
Owner:XIAN ESWIN MATERIAL TECHNOLOGY CO LTD +1

Double-group heating circuit heating sheet

The utility model provides a heating sheet with double groups of heating circuits, which comprises a bottom film, the upper surface of the bottom film is provided with a front heating component, the lower surface of the bottom film is provided with a back heating component, and the bottom film is provided with circuits. The protection effect can be achieved through the first thermistor and the second thermistor, the first heating bodies and the second heating bodies are arranged in a staggered mode, the heat dissipation area can be increased, the third heating bodies are arranged in an S-shaped bent mode, the heat dissipation area can be further increased, and the heat dissipation efficiency is improved. On-off of the first heating body, the second heating body and the third heating body is respectively controlled through a circuit, front heating, back heating or double-face heating can be selectively controlled, more choices can be provided for users, electronic components can be individually added on the first heating body and the second heating body through arrangement of patch interfaces, and the heating effect is improved. And therefore, different use requirements of users are met.
Owner:SHENZHEN DATANG DINGSHENG TECH CO LTD

Method and system for detecting foreign matters and abnormal heating points of power transmission and transformation line

The invention provides a method and a system for detecting foreign matters and abnormal heating points of a power transmission and transformation line, relates to the technical field of safety detection and image processing, and aims to solve the problems that an existing anomaly detection technology is single in detection model and cannot independently detect the abnormal heating points and the foreign matters at the same time. And the situation that an abnormal heating point is possibly caused by a foreign matter is ignored, the consideration is not comprehensive, and higher detection efficiency and reliability cannot be realized in a complex scene. According to the method, through combination of a power transmission and transformation line foreign matter target identification model and an abnormal heating point identification model, detection of an abnormal heating point and a foreign matter of a power transmission and transformation line is realized at the same time, and based on an abnormal heating point detection result and a foreign matter identification result, whether the foreign matter causes line heating is determined. According to the method, the problems that in the prior art, a detection model is single, and multiple kinds of anomaly detection cannot be independently achieved at the same time are solved, meanwhile, the relevance of the abnormal heating point and the foreign matter is fully considered, and higher detection efficiency and reliability in a complex scene are enhanced.
Owner:SHANDONG UNIV OF FINANCE & ECONOMICS +1

Heating control method for engine gas delivery pipeline of marine gas generator set

The invention discloses a heating control method for an engine gas delivery pipeline of a marine gas generator set, which relates to the technical field of marine gas power systems, and comprises the following steps: collecting multi-dimensional environment state information of the gas delivery pipeline in real time, analyzing gas components and pressure fluctuation data, and calculating the temperature of the gas delivery pipeline; a theoretical dew point temperature and a potential paraffin precipitation temperature under real-time pressure are calculated by combining a fuel gas physical property database, a real-time heat exchange model is constructed by combining a pipeline outer wall temperature gradient and a cabin environment temperature, theoretical temperature attenuation curves of different positions of fuel gas in a pipeline are obtained, condensation and paraffin precipitation risk positions and degrees are predicted after comparison, and a real-time heat exchange model is established. And differential electric heat tracing control strategies of different sections of the pipeline are generated in combination with relative humidity data of the cabin. The method can adapt to the real-time physical property of gas and the heat exchange state of the pipeline section, and the heating control execution mode of the gas pipeline is optimized.
Owner:WEIFANG HUAZHONG POWER EQUIP CO LTD

On-line heater on same side of polycrystalline silicon ingot furnace

The invention relates to the technical field of photovoltaic material production equipment, and discloses a same-side online heater of a polycrystalline silicon ingot furnace, which comprises an ingot furnace body, and is characterized in that the front side of the ingot furnace body is fixedly connected with a mounting frame, and the inner side of the mounting frame is fixedly connected with a heating element fixing frame; a plurality of heating pipes are arranged on the inner side of the heating element fixing frame at equal intervals, connecting conductive columns are fixedly connected to the left side and the right side of the inner wall of the heating element fixing frame, and a flow guide mechanism is arranged on the outer side of the mounting frame and used for improving the heating efficiency of polycrystalline silicon in the ingot furnace body. The preheating gas conveying pipe utilizes heat gathered in the heat insulation layer to conduct preheating, the temperature difference between the preheating gas conveying pipe and a silicon material is reduced, the silicon material is evenly covered with protective gas through the dispersing device, the heat is more evenly distributed in the ingot furnace, more regular crystal structures with fewer defects can be easily formed, the ingot casting quality is improved, the energy consumption of the heating pipe is reduced, and the production cost is reduced.
Owner:SUZHOU SHIJUN MICROELECTRONICS CO LTD

An extended pipe type screw drill stator forming equipment

The present application relates to the technical field of oil exploration, and more particularly to a pipe expanding type screw drill stator forming equipment, comprising: an outer mold structure, comprising an outer mold sleeve, the inner side of the outer mold sleeve having an inner profile line; a mold sleeve driving structure connected with the outer mold structure, used for driving the outer mold structure to rotate along its axis; an inner membrane core, provided in the outer mold sleeve, having a guide neck expanding section and a profile line section, the outer side of the profile line section having an outer profile line; a heating structure, provided at the front side of the guide neck expanding section; a forming support structure, used for supporting the outer mold structure, the mold sleeve driving structure, the inner membrane core and the heating structure; in the processing state, the pipe blank to be processed is heated by the heating structure, expanded in diameter by the guide neck expanding section, and then enters between the outer mold sleeve and the inner membrane core, the outer mold sleeve is driven to rotate by the mold sleeve driving structure, and the stator with the inner and outer profile lines is formed under the action of the inner and outer profile lines, which can solve the problems of deviation, low precision and low processing efficiency of the existing stator forming process.
Owner:CNPC BOHAI EQUIP MFG +2

Heater for nitrogen (HT-N2)

1. The name of the design product: nitrogen heater (HT-N2). 2. The use of the design product: applied in semiconductors, as an online heating device in the nitrogen conveying pipeline, which can heat the nitrogen in the process of flowing, so as to meet the specific requirements of the downstream process on the temperature of nitrogen. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, so the top view is omitted.
Owner:SHANGHAI YANXIANG TECHNOLOGY CO LTD

Low-temperature freezer drain pipe heating equipment

The utility model relates to the technical field of freezer drainage equipment, and discloses low-temperature freezer drainage pipe heating equipment which comprises a conveying pipe, a heating wire and a standby heating wire are arranged in the conveying pipe, a supporting beam is arranged on the inner top wall of the conveying pipe, a fixing clamp is arranged on the supporting beam, and the heating wire and the standby heating wire penetrate through the fixing clamp; the conveying pipe is sleeved with frames, every two frames form a set, a corrugated pipe is arranged between the sets of frames, and cavities are formed in the frames. The heating wire and the standby heating wire are arranged in the conveying pipe, when the main heating wire breaks down, the standby heating wire can immediately take over the heating task, and therefore it is guaranteed that the drainage pipe cannot be blocked due to freezing under any condition, and the supporting beam and the fixing clamp are arranged, so that the drainage pipe is more convenient to use. The stable positioning of the heating wire and the standby heating wire in the conveying pipe is ensured, and the heating wire damage caused by pipeline expansion or contraction is prevented.
Owner:ELITE IND (SHANGHAI) CO LTD

Liquid lead conveying pipe

The utility model relates to the technical field of pipelines, and provides a liquid lead conveying pipe which comprises a pipeline body, a protective shell and an electromagnetic induction coil, the pipeline body is arranged in the protective shell, the two ends of the pipeline body penetrate out of the protective shell, a heat preservation layer is arranged outside the pipeline body, and the electromagnetic induction coil is arranged in the protective shell. And the electromagnetic induction coil is wound on the thermal insulation layer. The pipeline body is heated in an electromagnetic heating mode, accurate control over the heating temperature can be achieved, the liquidity and temperature stability of lead liquid are guaranteed through online heating of the pipeline body, the production efficiency is improved, heat loss can be reduced through the arrangement of the heat preservation layer, and the heating efficiency is improved; and the electromagnetic induction coil and the pipeline body can be protected through the arrangement of the protective shell, and therefore the service life of the electromagnetic induction coil and the service life of the pipeline body can be prolonged.
Owner:JIYUAN WANYANG SMELTING GROUP

Annealing process of zirconium alloy thin-walled short tube and charging bin for heat treatment thereof

This invention belongs to the field of metal material processing technology, and relates to an annealing process for zirconium alloy thin-walled short tubes and its heat treatment loading bin. Based on the specifications of the uniform temperature zone of the vacuum annealing furnace chamber, the specifications of the material rack, the heating method, the loading capacity, the outer diameter and length of the tube, the gas absorption characteristics of the material, and the stability of the tooling structure, this invention specifically designs a loading bin for the heat treatment of thin-walled short tubes for vacuum annealing furnaces. Combined with an improved furnace loading method, adjusted annealing heating curves and annealing process parameters, the heat treatment loading bin is placed on the material rack or loading platform of the vacuum annealing furnace. The tooling is assembled and fixed, the thin-walled short tubes are neatly placed in the heat treatment loading bin, anti-oxidation measures are taken, and process parameters such as the heating curve, heating temperature, and holding time are set according to the furnace loading capacity and tube performance requirements. This ensures that the thin-walled short tubes do not undergo dimensional deformation or surface scratches after heat treatment, improves straightness, prevents surface oxidation, and improves heat treatment efficiency.
Owner:XIAN WESTERN ENERGY MATERIAL TECH CO LTD

Insulating pressing plate machining and forming equipment and production process thereof

The invention relates to the technical field of plate processing, and discloses insulation pressing plate processing and forming equipment and a production process thereof, and the equipment comprises a conveying mechanism, and a feeding mechanism, a preheating mechanism, a punching machine and a transferring mechanism which are sequentially arranged along the working procedure. The feeding mechanism drives a push column to move circularly through a belt, and single-sheet intermittent feeding of the plates is achieved. When a plate enters the conveying mechanism, the limiting mechanism compresses a compression roller through a spring to ensure the stability of the feeding direction of the plate, and the preheating mechanism heats and softens the plate online; the punching machine performs physical positioning and punch forming on the plate through the baffle; the transferring mechanism adsorbs finished products through a vacuum suction cup, and obstacle-avoiding discharging is achieved through cooperation of a rotating air cylinder and an electric sliding rail. According to the device, it can be ensured that plates face the right direction when entering a conveying line, machining deviation is effectively avoided, meanwhile, full-process automatic operation from feeding to discharging is achieved, and the production efficiency and the yield of insulating pressing plates are improved.
Owner:SHANGHAI ELECTRIC INSULATING MATERIAL CO LTD

Up-down heating device for heating plate of paperboard production line

The utility model relates to the technical field of paperboard processing and drying, in particular to a paperboard production line heating plate up-and-down heating device, which is provided with a jacking mechanism with a screwed drive to be matched with a double-sided heating device, so that support plates are convenient to take and the practicability is improved on the basis of quickly drying the support plates; comprising a main rack, a hydraulic cylinder, a telescopic rod, an upper heating plate, a hollow bottom frame, a lower heating plate, guide sleeves, a sliding frame, an inner screw groove connecting frame, a reciprocating motor and a threaded rod, the middle of the bottom end in the main rack is connected with the bottom end of the hollow bottom frame, the top end of the hollow bottom frame is connected with the middle of the bottom end of the lower heating plate, and the guide sleeves are arranged in the left side and the right side of the lower heating plate correspondingly; the top end of the interior of the main rack is connected with the top end of a hydraulic cylinder, the output end of the hydraulic cylinder is in sliding connection with the outer side of a telescopic rod, and the bottom end of the telescopic rod is connected with the middle of the top end of an upper heating plate.
Owner:DONGGUANG WEIBO CARTON MASCH MFG CO LTD

Skirting line heater, skirting line heating control method and device and computer equipment

The invention relates to a skirting line heater, a skirting line heating control method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring historical use information of a user for the skirting line heater; performing heating prediction based on a historical use time period and a historical heating temperature in the historical use information to obtain a predicted starting time period and a predicted heating temperature of a heating assembly of the skirting line heater; acquiring indoor environment information at a target moment before the predicted opening time period; in combination with the indoor environment information and the predicted heating temperature, the heating power of the heating assembly at the target moment is determined; in the process that the heating assembly works according to the heating power, the foreign matter falling risk degree of the heating assembly is determined based on the working information of the heating assembly; and executing risk management and control measures related to the foreign matter falling risk degree. By adopting the method, the safety of the skirting line heater in the using process can be improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Front auxiliary equipment applied to barreled water cover pulling procedure

The utility model relates to front auxiliary equipment applied to a barreled water cover pulling process, which is arranged on a barrel feeding conveying belt and comprises an on-line heater and a steam generator, the on-line heater is arranged above the barrel feeding conveying belt, the on-line heater is provided with a heating channel along the length direction of the on-line heater, a barreled water barrel cover can pass through the heating channel conveniently, and the steam generator is connected with the on-line heater. Two parallel steam distribution pipes are arranged in the on-line heater, are respectively arranged outside the two sides of the heating channel along the length direction of the on-line heater, and are connected with a steam generator; a plurality of steam nozzles are arranged on the two side faces of the heating channel in the length direction of the on-line heater, and the steam nozzles on the same side are connected with the steam distribution pipes on the same side. After the barrel cover is heated and softened, the barrel cover is conveyed into a subsequent automatic cover pulling machine, so that the cover is easily removed, and the damage to the barrel cover is avoided.
Owner:GUANGDONG BAODI NANHUA IND CITY DEV CO LTD

Stainless steel composite long-line heat tracing cable

The invention relates to the field of heat tracing cables, and discloses a stainless steel composite long-line heat tracing cable which comprises a heat tracing cable body, an insulating layer is arranged in the heat tracing cable body, a conductor is arranged in the insulating layer, a main ring is arranged on the heat tracing cable body, the interior of the main ring is hollow, and a rolling structure is arranged outside the main ring. The stainless steel composite long-line heat tracing cable has the advantages that the stainless steel composite long-line heat tracing cable is provided with the rolling structure, the rolling structure can be matched with the water bag to form a simple obstacle avoidance function, accordingly, the smoothness of the cable penetrating into an oil pipe can be further improved while obstacles can be avoided, the cable can be prevented from being damaged, and the service life of the cable can be prolonged. The rolling structure is provided with a main plate and a movable plate, the movable plate can rotate on the main plate, and when a barrier exists in the front, the movable plate is pressed and then rotates to the position below the barrier through extrusion of the water bag, and the water bag controls the cable to continue to move through continuous force.
Owner:WUXI GLOBAL ELECTRICAL EQUIP CO LTD

Heating plate device for fusion sealing welding cover of infusion bottle

The utility model discloses a heating plate device for a fusion sealing welding cover of an infusion bottle, which relates to the technical field of heating plates, and comprises two heating plate bodies consisting of a shell, a heating element and a heat dissipation component, one side of each heating plate body is connected with a connecting wire, and the rear side of each heating plate body is provided with an auxiliary component; and a connecting plate arranged on the rear side of the heating plate body is arranged in the auxiliary assembly, a groove is formed in the bottom end of the connecting plate, and rotating pipes are symmetrically and rotationally arranged on the inner wall of the groove. According to the utility model, through the arrangement of the auxiliary assembly, a plurality of heating plates can be installed or the number of the heating plates can be reduced according to the polypropylene infusion bottles with different sizes, so that the polypropylene infusion bottles with different specifications and bottle caps can be heated and sealed, and meanwhile, the heating plates are connected in parallel and are respectively provided with a branch switch; therefore, the specified heating plate can be used according to the height of the bottle opening of the polypropylene infusion bottle, and the polypropylene infusion bottle and the bottle cap can be heated and sealed conveniently.
Owner:JIANGSU HUAIAN DOUBLE CRANE PHARMA CO LTD

Temperature settable wireless heating device

The utility model discloses a temperature settable wireless heating device, which comprises a base device and a heating main body, the heating main body is arranged above the base device, a first induction device is arranged in the base device, a cavity is arranged at the middle lower part of the heating main body, and a second induction device and a heating device are arranged in the cavity. The base device is in induction connection with a second induction device in the heating main body through a first induction device, and the second induction device supplies power to the heating device for heating; according to the utility model, the base device does not heat, the base upper cover is of a closed integral structure, the liquid dripping on the base upper cover does not cause short circuit or scald risk, the liquid dripping on the base does not boil and splash after being heated, and the safety and the comfort are greatly improved; the temperature sensor is attached to the inner layer of the heating body, the detection precision of the temperature sensor is improved, and the technical problem that according to an existing heating kettle, the liquid temperature sensed by the outer side wall of the kettle body is detected through infrared rays, and the accuracy is low is solved.
Owner:SHANGHAI LAISONG ELECTRONICS

Pipeline anti-crystallization flexible heating jacket

The utility model discloses a pipeline anti-crystallization flexible heating jacket, which comprises a jacket sleeve, a heating assembly, a magic tape, a temperature controller, a cable and a connecting plug, and is characterized in that the heating assembly is fixedly mounted in the jacket sleeve, and the magic tape is fixedly mounted on the jacket sleeve. The heat conduction frame is composed of the heat conduction column, the first heat dissipation plate, the second heat dissipation plate and the clamping head, the heat conduction frame fixes the heating wire and transmits heat, the first heat dissipation plate and the second heat dissipation plate are arranged in a perpendicular and crossed mode, the rectangular shapes are formed in the heating jacket, and when the heat preservation layer is heated by the heating wire, the heat preservation layer is heated. A matrix is formed by the first heat dissipation plate and the second heat dissipation plate, the heat preservation layer is heated more uniformly through the matrix, and local overheating is avoided; when a heating jacket is manufactured, the jacket sleeve can be freely cut, the heat conduction columns, the first heat dissipation plate, the second heat dissipation plate and the clamping head evenly conduct heat on the soft rubber body, the soft rubber body is better cut in the cutting process, and heating wire arrangement is more convenient.
Owner:SHANGHAI BODA INSULATION MATERIALS CO LTD

Paint spraying line heating system

The utility model relates to a paint spraying line heating system and belongs to the technical field of paint spraying equipment, the paint spraying line heating system comprises a supporting assembly and an elastic fixing assembly, the supporting assembly comprises a supporting rod, a connecting column is arranged at the end of one end of the supporting rod, the elastic fixing assembly comprises a pair of outer supporting plates which are oppositely arranged, and the outer supporting plates are used for fixing workpieces; and one ends of the pair of outer supporting plates are hinged to the ends, away from the ends connected with the supporting rods, of the connecting columns, reset springs are arranged between the opposite side walls of the pair of outer supporting plates, and the reset springs are located at the positions, away from the side walls hinged to the connecting columns, of the outer supporting plates. The paint spraying device has the effect that paint can still be evenly sprayed to the workpiece when the hanging tool rotates.
Owner:NINGBO YUDONG AUTOMATION EQUIPMENT CO LTD

Preheating device for wire production

The utility model discloses a preheating device for conducting wire production, which belongs to the technical field of conducting wire processing and comprises a mounting frame body, conducting wire assemblies are arranged on two sides of the upper portion of the mounting frame body, a preheating box body is arranged between the two conducting wire assemblies, preheating assemblies are arranged on the upper side and the lower side in the preheating box body, and a guide assembly is arranged on the inner wall of the preheating box body. The wire can be effectively guided in the preheating process, the moving speed is uniform, heating is uniform, the preheating device can adjust the heating distance of the wire, the surface temperature distribution of the heated wire is uniform, the coating quality and efficiency of an insulating layer are improved, and the production quality of the wire is ensured.
Owner:GOLD CUP ELECTRIC APP CO LTD

Bonding palladium-plated copper wire heating system and synergistic process thereof

The invention discloses a bonding palladium-plated copper wire heating system and a synergistic process thereof, and relates to the field of bonding processing, the bonding palladium-plated copper wire heating system comprises an electroplating pool, a heating seat and a heat treatment seat, a heating cavity is formed in the heating seat, a sealing cover is detachably connected to the heating seat, and a liquid inlet pipe and a liquid outlet pipe are arranged between the electroplating pool and the heating seat; the liquid inlet pipe and the liquid discharge pipe are arranged on the two sides of the heating base respectively, a liquid pump and an electronic thermometer are arranged on the liquid inlet pipe, the electronic thermometer is used for controlling the rotating speed of the liquid pump, and when the temperature of the electronic thermometer rises, the rotating speed of the liquid pump is reduced; heating rods are arranged on two sides of the heat treatment cavity, a conveyor belt is driven at the bottom of the heat treatment cavity, and a driving part for driving the conveyor belt to convey is arranged on the heat treatment seat. The temperature of the electroplating liquid in the electroplating pool is better ensured, and the convenience of using the heating device is improved.
Owner:SHANGHAI WONSUNG ALLOY MATERIAL CO LTD

Heating panel mounting seat and infrared heating plate

The utility model discloses a heating panel mounting seat and an infrared heating plate, and relates to the field of infrared heating source equipment, the heating panel mounting seat comprises a base, the base is provided with an accommodating groove, the accommodating groove is provided with a conductive device mounting position and a temperature measuring device mounting position, a conductive device is arranged in the conductive device mounting position, the conductive device is provided with a power supply end and a wiring end, and the temperature measuring device mounting position is provided with a temperature measuring device. The power supply end is located in the containing groove and faces a groove opening of the containing groove, the temperature measuring device is arranged in the temperature measuring device installation position, the temperature measuring device is provided with a temperature measuring end, the temperature measuring end is located in the containing groove and faces the groove opening of the containing groove, the infrared heating plate heating panel and the heating panel installation base are arranged, and the heating panel is fixed in the containing groove in an adhesive mode. The electrode of the heating panel is in contact with the power supply end of the conductive device, and the heating panel is in contact with the temperature measuring end of the temperature measuring device. The heating panel can be installed without opening holes, stable power supply of the heating panel is guaranteed, the temperature measuring device can be in direct contact with the heating panel to achieve heat conduction type temperature measurement, and the temperature measuring result is visual and accurate.
Owner:BEIJING LIANHUA YONGXING TECH DEV CO LTD

Heating assembly and heating pipe

The invention discloses a heating assembly and a heating pipe, and relates to the technical field of diesel vehicle aftertreatment systems.The heating assembly comprises a heating layer and a wire, and the heating layer is of a spiral strip structure and can be wound around the pipe wall of a pipe to be heated; the wire is embedded in the heating layer, and one end of the wire is provided with a connector and can be externally connected with a power source. The wires are made of tinned copper wires. And the heating layer is made of a PTC (Positive Temperature Coefficient) material. The heating assembly and the heating pipe provided by the invention are good in adaptability and can reduce stock pressure.
Owner:HEBEI CHINAUST AUTOMOTIVE PLASTICS CORP LTD

Line heating element

1. The name of the design product: pipe heating element. 2. The use of the design product: for internal pipe heating of gas delivery equipment. 3. The design features of the design product: in the shape of the product. 4. The picture or photo that best shows the design features: perspective view 1.
Owner:ZHEJIANG DONGKAI SEMICON TECH CO LTD

Coating all-in-one machine

The invention discloses a coating all-in-one machine which comprises a high-frequency machine, a steel wire and an optical fiber, an auxiliary wheel mechanism is arranged on one side of the high-frequency machine, and a coating machine is arranged on the side, away from the coating machine, of the auxiliary wheel mechanism. A steel wire is arranged on the side, away from the auxiliary wheel mechanism, of the coating machine. The high-frequency machine, the auxiliary wheel mechanism, the coating machine and the air cooling device are arranged from left to right. The coating all-in-one machine provided by the invention is used for coating steel wires and can be linked with optical cable production lines, extruded materials are suitable for EAA and the like, meanwhile, three steel wires can be coated at the same time by improving the coating machine head, the extruded appearance is round and smooth, and the adhesive force can reach the standard. The thickness of a coating layer is adjustable, the production line is high in reliability and attractive in appearance, online heating, gluing and cooling of the steel wire can be achieved, optical cable production lines can be linked, the production process is simplified, the production efficiency is improved, and the production cost is saved.
Owner:ANHUI TONGSHENGDE AUTOMATION EQUIP CO LTD

A pine resin insulated and anti-clogging conveying pipeline

This utility model provides a pine resin heat-insulating and anti-clogging conveying pipeline, relating to the technical field of pine resin conveying devices. It includes a main pipe, which comprises a liquid inlet section, a narrowing section, a throat section, an expanding section, and a liquid outlet section, connected end-to-end and fixed to each other. The narrowing section has a truncated conical structure, with the inner diameter of its input end being the same as that of the liquid inlet section, and the inner diameter of its output end being the same as that of the throat section. A heating mechanism is fixedly installed on the outer wall of the throat section, and an insulation pipe is fixedly installed on the outer sleeve of the main pipe. Through the variable diameter structure of narrowing for acceleration and expanding for flow stabilization, the flow state of the resin is actively optimized. After entering the throat section, the kinetic energy of the resin is significantly increased, breaking the laminar flow state and eliminating the stagnant zone at the pipe wall boundary, preventing impurities from depositing. Combined with precise local heating in the throat section, replacing full-line heating, energy consumption is significantly reduced. The external insulation pipe further suppresses heat loss, effectively solving the pipeline blockage problem caused by temperature decreases during long-distance transport, significantly improving production continuity and reducing maintenance costs.
Owner:DANGYANG SENCHENGLINHUA CO LTD

Quartz online heater convenient to maintain

The utility model discloses a quartz on-line heater convenient to maintain, which comprises a heating shell, a quartz heater arranged in the heating shell and heating rod fixing seats arranged on the left side and the right side of the quartz heater, the lower ends of the heating rod fixing seats are fixedly arranged at the bottom of the heating shell, and the tops of heating rods are arranged on the inner upper surface of the heating shell. Two ends of the quartz heater are respectively connected with the heating rod fixing seats and are not in contact with the upper and lower surfaces of the heating shell through the support of the heating rod fixing seats; the heating rod fixing seat on one side is provided with three circular holes for the heating rods to enter and exit, and the sides, inserted into the quartz heater, of the heating rods are closed. The detachable heating rod has the advantages that the detachable heating rod can be well detached and installed on the heating rod, only the damaged heating rod needs to be replaced during replacement, other heating rods are kept immovable, detachment is convenient, the using effect is good, and the maintenance time of equipment maintenance personnel is shortened.
Owner:SUZHOU SEMI PRECISION TECH CO LTD