WO2020011017A1 - High-efficiency energy-saving heating tube and preparation method therefor - Google Patents

High-efficiency energy-saving heating tube and preparation method therefor Download PDF

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Publication number
WO2020011017A1
WO2020011017A1 PCT/CN2019/092881 CN2019092881W WO2020011017A1 WO 2020011017 A1 WO2020011017 A1 WO 2020011017A1 CN 2019092881 W CN2019092881 W CN 2019092881W WO 2020011017 A1 WO2020011017 A1 WO 2020011017A1
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Prior art keywords
heating
tube
film
heating film
energy
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PCT/CN2019/092881
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French (fr)
Chinese (zh)
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蒋旭
田瑞雪
李健昱
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江苏先丰纳米材料科技有限公司
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite

Definitions

  • the invention belongs to the field of electric heating, and particularly relates to a high-efficiency energy-saving heating pipe and a preparation method thereof.
  • the surface temperature of the high-temperature heating rod is 400-500 ° C.
  • the traditional high-temperature heating rod is made of tungsten wire and graphite. Tungsten wire heating and graphite rod heating are currently the main materials for heating in quartz heating tubes. The voltage and power are high.
  • Two-dimensional graphene is a new material with good electrical conductivity and electrothermal conversion efficiency. Graphene is made into a thin film with texture. Light, high strength, fast heating and so on.
  • the previous conventional heating with tungsten wires and graphite rods generally required 220V voltage and 350-450W power. The voltage and energy consumption were large. At the same time, the heating temperature was not high, the heating process took a long time, and the thermoelectric conversion efficiency was low.
  • the service life of the material is not high, generally about 5000 hours, which leads to low utilization of the material and increases costs.
  • the purpose of the present invention is to provide an efficient and energy-saving heating tube and a method for preparing the same in order to overcome the shortcomings of the prior art.
  • the combination of specific structures and materials is used to increase the heating tube heating rate and voltage and reduce energy consumption. At the same time improve the efficiency of electricity conversion.
  • a high-efficiency energy-saving heating pipe includes a heating film and copper sheets, molybdenum sheets, set screws, and wires are respectively arranged at two ends of the heating film, and the setting method is to sequentially follow the copper sheet, the heating film, the molybdenum sheet, and the copper sheet. They are arranged in order, and then fixed together by set screws to form a heating film combination structure. Both ends of the heating film combination structure are connected with wires and molybdenum sheets; the heating film combination structure is encapsulated in a packaging tube, and the two ends of the packaging tube Vacuum packaging is performed through ceramic joints, and the wires are led out after passing through the ceramic joints.
  • the heating film is a carbon material heating film.
  • a silver paste layer is coated on the portions where both ends of the heating film are combined with the copper sheet and the molybdenum sheet.
  • the ceramic joint is filled with a protective gas in the packaging tube after being vacuum-sealed.
  • the carbon material heating film may be selected from a graphene film, a carbon nanotube film, a carbon fiber film, or a graphene-carbon fiber-carbon nanotube composite film.
  • the packaging tube is any one of a quartz tube, a glass tube, a ceramic tube, or an alumina tube.
  • the protective gas is nitrogen or an inert gas.
  • the encapsulation tube has a diameter of 10-100 mm and a wall thickness of 2-10 mm.
  • the high-efficiency and energy-saving heating tube according to any one of the above, is applied in the fields of electric oven, electric heating furnace, bath tyre, baking far-infrared heating lamp, chemical heating or medical heating and sterilization.
  • the above-mentioned method for preparing an energy-efficient heating tube includes the following steps:
  • Step 1 Applying silver paste on both sides of the heating film to cure it;
  • Step 2 The two ends of the heat-generating film after the silver paste is cured are bonded together in the order of a copper sheet, a heat-generating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a heat-film composite structure;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 the heating film combination structure is placed in the packaging tube, the two ends of the packaging tube are sealed with ceramic joints, and the wires are led out of the packaging tube through the ceramic head, and the packaging tube is evacuated and filled with an inert gas during the packaging process.
  • a copper sheet, a molybdenum sheet, and a coating of silver paste on the surface of a heating film are used to jointly form a heating film combination structure.
  • the molybdenum sheet is used as a connection member for electricity to achieve good integration Insulation protection at both ends of the heating tube is achieved through ceramic joints.
  • a specific joint electrical connection structure is formed by silver paste, copper sheet, molybdenum sheet and fixing screws, which not only plays the role of fixing the heating film, but also can form a good heating. The whole tube plays a good role in heating.
  • the heating film in the high-efficiency and energy-saving heating tube uses graphene film, carbon nanotube film, graphene-carbon nanotube composite film, graphene-carbon fiber composite film, graphene-carbon fiber-carbon nanotube composite film. Any one can replace the traditional tungsten wires and graphite rods.
  • the conditions during use are 60-80V voltage and 150-200W power, which effectively reduces energy consumption and has a service life of more than 10,000 hours.
  • the high-efficiency energy-saving heating tube heating film provided by the invention has the advantages of low voltage, low power, and low energy consumption, and can be quickly heated in 10 seconds and reach a specified heating temperature (such as 400 ° C.) in 20 seconds.
  • thermoelectric conversion efficiency of conventional tungsten wires and graphite rods is about 70%
  • film thermoelectric conversion efficiency of the high-efficiency and energy-saving heating tube provided by the present invention reaches about 98%.
  • the invention can be well applied to the fields of electric oven, electric heating furnace, paint far-infrared heating lamp, chemical heating industry, medical heating and disinfection, and the like.
  • FIG. 1 is a schematic diagram of an energy-efficient heating pipe provided in Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a connection structure of one end of a heating film combination structure in a high-efficiency energy-saving heating pipe provided in Embodiment 1 of the present invention
  • FIG. 3 is a side view of a connection structure of one end of a heating film combination structure in a high-efficiency energy-saving heating pipe provided in Embodiment 1 of the present invention
  • 1 is a heating film
  • 2 is a packaging tube
  • 3 is a ceramic joint
  • 4 is a silver paste layer
  • 5 is a copper sheet
  • 6 is a molybdenum sheet
  • 7 is a set screw
  • 8 is a wire.
  • FIG. 1 to FIG. 3 a schematic diagram of a high-efficiency energy-saving heating tube and a connection structure and a side view of a heating film combination structure provided in this embodiment are included, including a heating film 1 and two ends of the heating film 1 respectively.
  • the setting method is to arrange copper sheet 5, heating film 1, molybdenum sheet 6, copper sheet 5 in order, and then pass the set screw 7 It is fixed together to form a heating film combination structure.
  • Both ends of the heating film combination structure are connected to the molybdenum sheet 6 by wires 8; the heating film combination structure is encapsulated in a packaging tube 2, and the two ends of the packaging tube 2 are vacuumed by ceramic joints 3 respectively.
  • the wires 8 are led out after passing through the ceramic joint 3.
  • the heat-generating film 1 described above may be a carbon-based heat-generating film, and may specifically be any one of a graphene film, a carbon nanotube film, a carbon fiber film, or a graphene-carbon fiber-carbon nanotube composite film;
  • the silver paste layer is applied to the parts where the two ends are combined with the copper sheet 5 and the molybdenum sheet 6;
  • the packaging tube may be any one of a quartz tube, a glass tube, a ceramic tube or an alumina tube; the ceramic joint is vacuum-sealed Fill the protective tube with protective gas.
  • the heating and efficient heating tube provided in this embodiment is a heating film combination structure composed of a copper sheet, a molybdenum sheet, and a heating film coated with a silver paste layer. Integration is achieved through a set screw, and two heating tubes are realized through a ceramic joint. Insulation protection at the ends, through the silver paste, copper sheet, molybdenum sheet and fixing screw to form a specific joint electrical connection structure, not only plays the role of fixing the heating film, but also can form a good heating tube as a whole, and play a good role in synergy performance.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 the 300 mm ⁇ 10 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 the heating film combination structure is placed in a quartz tube, the two ends of the quartz tube are packaged with a ceramic joint, and the lead is led out of the quartz tube through the ceramic head.
  • the inside of the quartz tube is evacuated and filled with an inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 the 300 mm ⁇ 20 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film combination structure in a 300mm long, 20mm wide, and 2mm thick ceramic tube, use ceramic joints to package the ceramic tube at both ends, and lead the wire through the ceramic head to the outside of the packaging tube. During the packaging process, place the ceramic tube inside Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The two ends of the carbon nanotube film with a size of 300 mm ⁇ 30 mm are coated with silver paste and then cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film assembly structure in a 300mm long, 30mm wide, and 2mm thick glass tube, use ceramic joints to package the glass tube at both ends, and lead the wires out of the glass tube through the ceramic head. During the packaging process, place the glass tube inside. Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The graphene-carbon nanotube composite film with a size of 300 mm ⁇ 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film assembly structure in a 300mm long, 10mm wide, and 2mm thick alumina tube, use ceramic joints to package both ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head.
  • the alumina tube was evacuated and filled with nitrogen.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The graphene-carbon fiber composite film with a size of 400 mm ⁇ 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film assembly structure in a 400mm long, 15mm wide, and 4mm thick quartz tube, use ceramic joints to encapsulate the quartz tube at both ends, and lead the lead out of the quartz tube through the ceramic head. During the packaging process, place the quartz tube inside Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The graphene-carbon nanotube-carbon fiber composite film having a size of 400mm ⁇ 20mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film combination structure in a 400mm long, 30mm wide, and 10mm thick quartz tube, use ceramic joints to package the quartz tube at both ends, and lead the lead out of the quartz tube through the ceramic head. During the packaging process, place the quartz tube inside. Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The graphene-carbon nanotube composite film with a size of 300 mm ⁇ 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film combination structure in a 300mm long, 20mm wide, and 10mm thick ceramic tube, use ceramic joints to package the ceramic tube at both ends, and lead the wire through the ceramic head to the outside of the packaging tube. During the packaging process, place the ceramic tube inside Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 The graphene film having a size of 400 mm ⁇ 30 mm is coated with silver paste at both ends and cured, and then cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film assembly structure in a 400mm long, 30mm wide, and 10mm thick glass tube, use ceramic joints to seal both ends of the glass tube, and lead the wire out of the glass tube through the ceramic head. During the packaging process, place the glass tube inside. Evacuate and fill with inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 the 500mm ⁇ 20mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film combination structure in a 500mm long, 20mm wide, and 8mm thick alumina tube, use ceramic joints to seal the two ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head.
  • the alumina tube was evacuated and filled with an inert gas.
  • a method for preparing an energy-efficient heating pipe includes the following steps:
  • Step 1 the 500 mm ⁇ 30 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
  • Step 2 The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
  • Step 3 the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
  • Step 4 Place the heating film assembly structure in a 500mm long, 30mm wide, and 10mm thick alumina tube, use ceramic joints to seal both ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head.
  • the alumina tube was evacuated and filled with an inert gas.
  • the high-efficiency and energy-saving heating tube prepared in the above embodiments is obtained through performance tests. It has the characteristics of fast heating speed, low energy consumption, and high electrical conversion rate. Among them, the working voltage is 60-80V, the working power is 150-200W, and It is heated to 400-500 ° C in seconds, and the thermoelectric conversion efficiency reaches 98%, which is far better than 70% of the prior art.

Abstract

Disclosed in the present invention are a high-efficiency energy-saving heating tube and a preparation method therefor. The heating tube comprises a heating film, and copper sheets, molybdenum sheets, anchor screws and wires which are respectively provided at two ends of the heating film; the copper sheets, the heating film, the molybdenum sheets and the copper sheets are fixed together by means of the anchor screws to form a heating film assembly structure, and two ends of the heating film assembly structure are connected to the molybdenum sheets by means of the wires; and the heating film assembly structure is encapsulated in an encapsulation tube, and the wires are led out after passing through ceramic connectors. The preparation method comprises: applying a silver paste on two sides of the heating film and curing the silver paste, and then fixing the copper sheets, the heating film, the molybdenum sheets and the copper sheets by means of the anchor screws to obtain the heating film assembly structure; connecting two ends of the heating film assembly structure to the molybdenum sheets by means of the wires; and finally, placing the heating film assembly structure in the encapsulation tube, vacuum encapsulating the two ends of the encapsulation tube by means of the ceramic connectors, and leading the wires out of the encapsulation tube through the ceramic connectors. The high-efficiency energy-saving heating tube provided in the present invention has advantages of low voltage, low energy consumption, environmental protection, long service life, rapid heating speed, and the like.

Description

一种高效节能型加热管及其制备方法High-efficiency energy-saving heating pipe and preparation method thereof 技术领域Technical field
本发明属于电加热领域，特别涉及到一种高效节能型加热管及其制备方法。The invention belongs to the field of electric heating, and particularly relates to a high-efficiency energy-saving heating pipe and a preparation method thereof.
背景技术Background technique
高温加热棒的表面温度在400-500℃，传统的高温加热棒为钨丝材质和石墨材质。钨丝加热和石墨棒加热目前是石英加热管内发热的主要材质，电压和功率较高，二维石墨烯是新型材料，具有较好的电导率和电热转换效率，将石墨烯做成薄膜具有质地轻、强度高、发热快等优点。前常规的采用钨丝加热和石墨棒加热一般需要220V电压、350-450W的功率，电压和能耗较大，同时发热温度不高，发热过程时间长，热电转化效率低，进而导致了采用以上方式材料使用寿命不高，一般为5000小时左右，这样就导致了材料利用率不高，造成了成本升高。The surface temperature of the high-temperature heating rod is 400-500 ° C. The traditional high-temperature heating rod is made of tungsten wire and graphite. Tungsten wire heating and graphite rod heating are currently the main materials for heating in quartz heating tubes. The voltage and power are high. Two-dimensional graphene is a new material with good electrical conductivity and electrothermal conversion efficiency. Graphene is made into a thin film with texture. Light, high strength, fast heating and so on. The previous conventional heating with tungsten wires and graphite rods generally required 220V voltage and 350-450W power. The voltage and energy consumption were large. At the same time, the heating temperature was not high, the heating process took a long time, and the thermoelectric conversion efficiency was low. The service life of the material is not high, generally about 5000 hours, which leads to low utilization of the material and increases costs.
发明内容Summary of the invention
本发明的目的在于为了克服以上现有技术的不足而提供一种高效节能型加热管及其制备方法，通过特定的结构和材料的组合设置，提升加热管加热速率与使用电压，降低能耗，同时提高电转化效率。The purpose of the present invention is to provide an efficient and energy-saving heating tube and a method for preparing the same in order to overcome the shortcomings of the prior art. The combination of specific structures and materials is used to increase the heating tube heating rate and voltage and reduce energy consumption. At the same time improve the efficiency of electricity conversion.
本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:
一种高效节能型加热管，包括发热膜以及在发热膜的两端分别设置有铜片、钼片、卯定螺丝和导线，其中设置方式为依次按照铜片、发热膜、钼片、铜片的顺序进行排布，然后通过卯定螺丝卯定在一起，形成发热膜组合结构，发热膜组合结构两端均采用导线与钼片连接；发热膜组合结构封装于封装管中，封装管两端分别通过陶瓷接头进行真空封装，所述导线穿过陶瓷接头后引出。A high-efficiency energy-saving heating pipe includes a heating film and copper sheets, molybdenum sheets, set screws, and wires are respectively arranged at two ends of the heating film, and the setting method is to sequentially follow the copper sheet, the heating film, the molybdenum sheet, and the copper sheet. They are arranged in order, and then fixed together by set screws to form a heating film combination structure. Both ends of the heating film combination structure are connected with wires and molybdenum sheets; the heating film combination structure is encapsulated in a packaging tube, and the two ends of the packaging tube Vacuum packaging is performed through ceramic joints, and the wires are led out after passing through the ceramic joints.
进一步地，所述的高效节能型加热管，所述发热膜为碳材料发热膜。Further, in the high-efficiency energy-saving heating tube, the heating film is a carbon material heating film.
进一步地，所述的高效节能型加热管，发热膜的两端与铜片和钼片结合的部位均涂刷有银浆层。Further, in the high-efficiency and energy-saving heating tube, a silver paste layer is coated on the portions where both ends of the heating film are combined with the copper sheet and the molybdenum sheet.
进一步地，所述的高效节能型加热管，陶瓷接头真空封装后在封装管中充入保护性气体。Further, in the high-efficiency and energy-saving heating tube, the ceramic joint is filled with a protective gas in the packaging tube after being vacuum-sealed.
更进一步地，所述的高效节能型加热管，所述碳材料发热膜可选择石墨烯膜、碳纳米管膜、碳纤维膜或石墨烯-碳纤维-碳纳米管复合膜中的任意一种。Furthermore, for the high-efficiency energy-saving heating tube, the carbon material heating film may be selected from a graphene film, a carbon nanotube film, a carbon fiber film, or a graphene-carbon fiber-carbon nanotube composite film.
进一步地，所述的高效节能型加热管，所述封装管为石英管、玻璃管、陶瓷管或氧化 铝管中的任意一种。Further, in the high-efficiency and energy-saving heating tube, the packaging tube is any one of a quartz tube, a glass tube, a ceramic tube, or an alumina tube.
更进一步地，所述的高效节能型加热管，所述保护性气体为氮气或惰性气体。Furthermore, in the high-efficiency energy-saving heating tube, the protective gas is nitrogen or an inert gas.
进一步地，所述的高效节能型加热管，所述的封装管直径为10-100mm，壁厚为2～10mm。Further, in the high-efficiency and energy-saving heating tube, the encapsulation tube has a diameter of 10-100 mm and a wall thickness of 2-10 mm.
以上任一项所述的高效节能型加热管，在电烤箱、电加热炉、浴霸、烤漆远红外加热灯、化工加热或医疗加热消毒领域的应用。The high-efficiency and energy-saving heating tube according to any one of the above, is applied in the fields of electric oven, electric heating furnace, bath tyre, baking far-infrared heating lamp, chemical heating or medical heating and sterilization.
一种以上所述的高效节能型加热管的制备方法，包括以下步骤：The above-mentioned method for preparing an energy-efficient heating tube includes the following steps:
步骤1，在发热膜两侧涂刷银浆后固化； Step 1. Applying silver paste on both sides of the heating film to cure it;
步骤2，将银浆固化后的发热膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the heat-generating film after the silver paste is cured are bonded together in the order of a copper sheet, a heat-generating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a heat-film composite structure;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于封装管内，采用陶瓷接头将封装管两头封装，并将导线穿过陶瓷封头引出封装管外，封装过程中将封装管内抽真空并充入惰性气体。 Step 4, the heating film combination structure is placed in the packaging tube, the two ends of the packaging tube are sealed with ceramic joints, and the wires are led out of the packaging tube through the ceramic head, and the packaging tube is evacuated and filled with an inert gas during the packaging process.
本发明提供的高效节能型加热管中，采用铜片、钼片以及发热膜表面涂覆银浆的操作，共同组成了发热膜组合结构，利用钼片作为通电连接件，实现了良好的一体化，通过陶瓷接头实现加热管两端的绝缘保护，通过银浆、铜片、钼片以及卯定螺丝形成了特定的接头接电结构，不仅起到了固定发热膜的作用，同时能够很好的形成加热管整体，协同发挥良好的加热性能。In the high-efficiency and energy-saving heating tube provided by the present invention, a copper sheet, a molybdenum sheet, and a coating of silver paste on the surface of a heating film are used to jointly form a heating film combination structure. The molybdenum sheet is used as a connection member for electricity to achieve good integration Insulation protection at both ends of the heating tube is achieved through ceramic joints. A specific joint electrical connection structure is formed by silver paste, copper sheet, molybdenum sheet and fixing screws, which not only plays the role of fixing the heating film, but also can form a good heating. The whole tube plays a good role in heating.
本发明提供的高效节能型加热管中发热膜采用石墨烯膜、碳纳米管膜、石墨烯-碳纳米管复合膜、石墨烯-碳纤维复合膜、石墨烯-碳纤维-碳纳米管复合膜中的任意一种替代传统的钨丝和石墨棒，使用过程中的条件为60-80V电压、150-200W的功率，有效的降低了能耗，使用寿命达到了10000小时以上。The heating film in the high-efficiency and energy-saving heating tube provided by the present invention uses graphene film, carbon nanotube film, graphene-carbon nanotube composite film, graphene-carbon fiber composite film, graphene-carbon fiber-carbon nanotube composite film. Any one can replace the traditional tungsten wires and graphite rods. The conditions during use are 60-80V voltage and 150-200W power, which effectively reduces energy consumption and has a service life of more than 10,000 hours.
本发明提供的高效节能型加热管发热膜具有低电压、低功率、低能耗的优点，且能10秒内快速加热并在20秒内达到指定加热温度(如400℃)。The high-efficiency energy-saving heating tube heating film provided by the invention has the advantages of low voltage, low power, and low energy consumption, and can be quickly heated in 10 seconds and reach a specified heating temperature (such as 400 ° C.) in 20 seconds.
目前常规钨丝和石墨棒的热电转化效率为70％左右，本发明提供的高效节能型加热管的膜热电转化效率达到了98％左右。本发明能够很好的应用于电烤箱、电加热炉、烤漆远红外加热灯、化工加热行业、医疗加热消毒等领域。At present, the thermoelectric conversion efficiency of conventional tungsten wires and graphite rods is about 70%, and the film thermoelectric conversion efficiency of the high-efficiency and energy-saving heating tube provided by the present invention reaches about 98%. The invention can be well applied to the fields of electric oven, electric heating furnace, paint far-infrared heating lamp, chemical heating industry, medical heating and disinfection, and the like.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明实施例1中提供的高效节能型加热管示意图；FIG. 1 is a schematic diagram of an energy-efficient heating pipe provided in Embodiment 1 of the present invention; FIG.
图2为本发明实施例1中提供的高效节能型加热管中发热膜组合结构的一端连接结构示意图；2 is a schematic diagram of a connection structure of one end of a heating film combination structure in a high-efficiency energy-saving heating pipe provided in Embodiment 1 of the present invention;
图3为本实用新型实施例1中提供的高效节能型加热管中发热膜组合结构的一端连接结构侧视 图；3 is a side view of a connection structure of one end of a heating film combination structure in a high-efficiency energy-saving heating pipe provided in Embodiment 1 of the present invention;
以上图1-图3中，1为发热膜，2为封装管，3为陶瓷接头，4为银浆层，5为铜片，6为钼片，7为卯定螺丝，8为导线。In the above Figures 1 to 3, 1 is a heating film, 2 is a packaging tube, 3 is a ceramic joint, 4 is a silver paste layer, 5 is a copper sheet, 6 is a molybdenum sheet, 7 is a set screw, and 8 is a wire.
具体实施方式：detailed description:
以下通过实施例来进一步帮助本行业技术人员来理解本发明，但不限制本发明的修改和突破，在不脱离本发明的前提下做任何修改都属于本发明的保护范围之内。The following examples further help those skilled in the art to understand the present invention, but do not limit the modifications and breakthroughs of the present invention. Any modification without departing from the present invention falls within the protection scope of the present invention.
实施例1Example 1
如图1-图3所示，分别为本实施例提供的高效节能型加热管示意图以及发热膜组合结构的一端连接结构示意图和侧视图，包括发热膜1以及在发热膜1的两端分别设置有铜片5、钼片6、卯定螺丝7和导线8，其中设置方式为依次按照铜片5、发热膜1、钼片6、铜片5的顺序进行排布，然后通过卯定螺丝7卯定在一起，形成发热膜组合结构，发热膜组合结构两端均采用导线8与钼片6连接；发热膜组合结构封装于封装管2中，封装管2两端分别通过陶瓷接头3进行真空封装，所述导线8穿过陶瓷接头3后引出。As shown in FIG. 1 to FIG. 3, a schematic diagram of a high-efficiency energy-saving heating tube and a connection structure and a side view of a heating film combination structure provided in this embodiment are included, including a heating film 1 and two ends of the heating film 1 respectively. There are copper sheet 5, molybdenum sheet 6, set screw 7 and lead wire 8. The setting method is to arrange copper sheet 5, heating film 1, molybdenum sheet 6, copper sheet 5 in order, and then pass the set screw 7 It is fixed together to form a heating film combination structure. Both ends of the heating film combination structure are connected to the molybdenum sheet 6 by wires 8; the heating film combination structure is encapsulated in a packaging tube 2, and the two ends of the packaging tube 2 are vacuumed by ceramic joints 3 respectively. For packaging, the wires 8 are led out after passing through the ceramic joint 3.
以上所述的发热膜1可采用碳材料的发热膜，具体可以为石墨烯膜、碳纳米管膜、碳纤维膜或石墨烯-碳纤维-碳纳米管复合膜中的任意一种；发热膜1的两端与铜片5和钼片6结合的部位均涂刷有银浆层；所述封装管可以采用石英管、玻璃管、陶瓷管或氧化铝管中的任意一种；在陶瓷接头真空封装后在封装管中充入保护性气体。The heat-generating film 1 described above may be a carbon-based heat-generating film, and may specifically be any one of a graphene film, a carbon nanotube film, a carbon fiber film, or a graphene-carbon fiber-carbon nanotube composite film; The silver paste layer is applied to the parts where the two ends are combined with the copper sheet 5 and the molybdenum sheet 6; the packaging tube may be any one of a quartz tube, a glass tube, a ceramic tube or an alumina tube; the ceramic joint is vacuum-sealed Fill the protective tube with protective gas.
本实施例中提供的高效节能型加热管，通过采用铜片、钼片以及涂刷银浆层的发热膜组成发热膜组合结构，通过卯定螺丝实现了一体化，通过陶瓷接头实现加热管两端的绝缘保护，通过银浆、铜片、钼片以及卯定螺丝形成了特定的接头接电结构，不仅起到了固定发热膜的作用，同时能够很好的形成加热管整体，协同发挥良好的加热性能。The heating and efficient heating tube provided in this embodiment is a heating film combination structure composed of a copper sheet, a molybdenum sheet, and a heating film coated with a silver paste layer. Integration is achieved through a set screw, and two heating tubes are realized through a ceramic joint. Insulation protection at the ends, through the silver paste, copper sheet, molybdenum sheet and fixing screw to form a specific joint electrical connection structure, not only plays the role of fixing the heating film, but also can form a good heating tube as a whole, and play a good role in synergy performance.
实施例2Example 2
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将300mm×10mm尺寸的石墨烯膜两端涂刷银浆后固化，100℃固化30min； Step 1, the 300 mm × 10 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于石英管内，采用陶瓷接头将石英管两头封装，并将导线穿过陶瓷封头引出石英管外，封装过程中将石英管内抽真空并充入惰性气体。 Step 4, the heating film combination structure is placed in a quartz tube, the two ends of the quartz tube are packaged with a ceramic joint, and the lead is led out of the quartz tube through the ceramic head. During the packaging process, the inside of the quartz tube is evacuated and filled with an inert gas.
实施例3Example 3
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将300mm×20mm尺寸的石墨烯膜两端涂刷银浆后固化，100℃固化30min； Step 1, the 300 mm × 20 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于300mm长、20mm宽、2mm厚的陶瓷管内，采用陶瓷接头将陶瓷管两头封装，并将导线穿过陶瓷封头引出封装管外，封装过程中将陶瓷管内抽真空并充入惰性气体。 Step 4. Place the heating film combination structure in a 300mm long, 20mm wide, and 2mm thick ceramic tube, use ceramic joints to package the ceramic tube at both ends, and lead the wire through the ceramic head to the outside of the packaging tube. During the packaging process, place the ceramic tube inside Evacuate and fill with inert gas.
实施例4Example 4
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将300mm×30mm尺寸的碳纳米管膜两端涂刷银浆后固化，100℃固化30min； Step 1. The two ends of the carbon nanotube film with a size of 300 mm × 30 mm are coated with silver paste and then cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于300mm长、30mm宽、2mm厚的玻璃管内，采用陶瓷接头将玻璃管两头封装，并将导线穿过陶瓷封头引出玻璃管外，封装过程中将玻璃管内抽真空并充入惰性气体。 Step 4. Place the heating film assembly structure in a 300mm long, 30mm wide, and 2mm thick glass tube, use ceramic joints to package the glass tube at both ends, and lead the wires out of the glass tube through the ceramic head. During the packaging process, place the glass tube inside. Evacuate and fill with inert gas.
实施例5Example 5
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将300mm×10mm尺寸的石墨烯-碳纳米管复合膜两端涂刷银浆后固化，100℃固化30min； Step 1. The graphene-carbon nanotube composite film with a size of 300 mm × 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于300mm长、10mm宽、2mm厚的氧化铝管内，采用陶瓷接头将氧化铝管两头封装，并将导线穿过陶瓷封头引出氧化铝管外，封装过程中将氧化铝管内抽真空并充入氮气。 Step 4. Place the heating film assembly structure in a 300mm long, 10mm wide, and 2mm thick alumina tube, use ceramic joints to package both ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head. During the packaging process, The alumina tube was evacuated and filled with nitrogen.
实施例6Example 6
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将400mm×10mm尺寸的石墨烯-碳纤维复合膜两端涂刷银浆后固化，100℃固化30min； Step 1. The graphene-carbon fiber composite film with a size of 400 mm × 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于400mm长、15mm宽、4mm厚的石英管内，采用陶瓷接头将石英管两头封装，并将导线穿过陶瓷封头引出石英管外，封装过程中将石英管内抽真空并充入惰性气体。 Step 4. Place the heating film assembly structure in a 400mm long, 15mm wide, and 4mm thick quartz tube, use ceramic joints to encapsulate the quartz tube at both ends, and lead the lead out of the quartz tube through the ceramic head. During the packaging process, place the quartz tube inside Evacuate and fill with inert gas.
实施例7Example 7
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将400mm×20mm尺寸的石墨烯-碳纳米管-碳纤维复合膜两端涂刷银浆后固化，100℃固化30min； Step 1. The graphene-carbon nanotube-carbon fiber composite film having a size of 400mm × 20mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于400mm长、30mm宽、10mm厚的石英管内，采用陶瓷接头将石英管两头封装，并将导线穿过陶瓷封头引出石英管外，封装过程中将石英管内抽真空并充入惰性气体。 Step 4. Place the heating film combination structure in a 400mm long, 30mm wide, and 10mm thick quartz tube, use ceramic joints to package the quartz tube at both ends, and lead the lead out of the quartz tube through the ceramic head. During the packaging process, place the quartz tube inside. Evacuate and fill with inert gas.
实施例8Example 8
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将300mm×10mm尺寸的石墨烯-碳纳米管复合膜两端涂刷银浆后固化，100℃固化30min； Step 1. The graphene-carbon nanotube composite film with a size of 300 mm × 10 mm is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于300mm长、20mm宽、10mm厚的陶瓷管内，采用陶瓷接头将陶瓷管两头封装，并将导线穿过陶瓷封头引出封装管外，封装过程中将陶瓷管内抽真空并充入惰性气体。 Step 4. Place the heating film combination structure in a 300mm long, 20mm wide, and 10mm thick ceramic tube, use ceramic joints to package the ceramic tube at both ends, and lead the wire through the ceramic head to the outside of the packaging tube. During the packaging process, place the ceramic tube inside Evacuate and fill with inert gas.
实施例9Example 9
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将400mm×30mm尺寸的石墨烯膜两端涂刷银浆后固化，100℃固化30min； Step 1. The graphene film having a size of 400 mm × 30 mm is coated with silver paste at both ends and cured, and then cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于400mm长、30mm宽、10mm厚的玻璃管内，采用陶瓷接头将玻璃管两头封装，并将导线穿过陶瓷封头引出玻璃管外，封装过程中将玻璃管内抽真空并充入惰性气体。 Step 4. Place the heating film assembly structure in a 400mm long, 30mm wide, and 10mm thick glass tube, use ceramic joints to seal both ends of the glass tube, and lead the wire out of the glass tube through the ceramic head. During the packaging process, place the glass tube inside. Evacuate and fill with inert gas.
实施例10Example 10
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将500mm×20mm尺寸的石墨烯膜两端涂刷银浆后固化，100℃固化30min； Step 1, the 500mm × 20mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于500mm长、20mm宽、8mm厚的氧化铝管内，采用陶瓷接头将氧化铝管两头封装，并将导线穿过陶瓷封头引出氧化铝管外，封装过程中将氧化铝管内抽真空并充入惰性气体。 Step 4. Place the heating film combination structure in a 500mm long, 20mm wide, and 8mm thick alumina tube, use ceramic joints to seal the two ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head. During the packaging process, The alumina tube was evacuated and filled with an inert gas.
实施例11Example 11
一种高效节能型加热管的制备方法，包括以下步骤：A method for preparing an energy-efficient heating pipe includes the following steps:
步骤1，将500mm×30mm尺寸的石墨烯膜两端涂刷银浆后固化，100℃固化30min； Step 1, the 500 mm × 30 mm size graphene film is coated with silver paste at both ends and cured, and cured at 100 ° C. for 30 minutes;
步骤2，将银浆固化后的石墨烯膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the graphene film after the silver paste is cured are bonded together in the order of a copper sheet, a heating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a combined structure of the heating film;
步骤3，在发热膜组合结构的两端采用导线与钼片连接； Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
步骤4，将发热膜组合结构放置于500mm长、30mm宽、10mm厚的氧化铝管内，采用陶瓷接头将氧化铝管两头封装，并将导线穿过陶瓷封头引出氧化铝管外，封装过程中将氧化铝管内抽真空并充入惰性气体。 Step 4. Place the heating film assembly structure in a 500mm long, 30mm wide, and 10mm thick alumina tube, use ceramic joints to seal both ends of the alumina tube, and lead the lead out of the alumina tube through the ceramic head. During the packaging process, The alumina tube was evacuated and filled with an inert gas.
以上实施例制备得到的高效节能型加热管，经性能测试得到，其具有加热速度快，能耗低，电转化率高的特点，其中工作电压60-80V，工作功率150-200W，能在20秒内加热至400-500℃，同时热电转化效率达到了98％，远远优于现有技术的70％。The high-efficiency and energy-saving heating tube prepared in the above embodiments is obtained through performance tests. It has the characteristics of fast heating speed, low energy consumption, and high electrical conversion rate. Among them, the working voltage is 60-80V, the working power is 150-200W, and It is heated to 400-500 ° C in seconds, and the thermoelectric conversion efficiency reaches 98%, which is far better than 70% of the prior art.

Claims (10)

  1. 一种高效节能型加热管，其特征在于，包括发热膜以及在发热膜的两端分别设置有铜片、钼片、卯定螺丝和导线，其中设置方式为依次按照铜片、发热膜、钼片、铜片的顺序进行排布，然后通过卯定螺丝卯定在一起，形成发热膜组合结构，发热膜组合结构两端均采用导线与钼片连接；发热膜组合结构封装于封装管中，封装管两端分别通过陶瓷接头进行真空封装，所述导线穿过陶瓷接头后引出。A high-efficiency and energy-saving heating pipe, which is characterized in that it includes a heating film and copper sheets, molybdenum sheets, set screws, and wires are respectively provided at two ends of the heating film, wherein the setting method is in accordance with the copper sheet, the heating film, and molybdenum in order. The copper sheet and copper sheet are arranged in order, and then fixed together by set screws to form a heating film combination structure. Both ends of the heating film combination structure are connected to the molybdenum sheet by wires; the heating film combination structure is encapsulated in a packaging tube. Both ends of the packaging tube are vacuum-sealed by ceramic joints, and the wires are led out after passing through the ceramic joints.
  2. 根据权利要求1所述的高效节能型加热管，其特征在于，所述发热膜为碳材料发热膜。The heating tube according to claim 1, wherein the heating film is a carbon material heating film.
  3. 根据权利要求1所述的高效节能型加热管，其特征在于，发热膜的两端与铜片和钼片结合的部位均涂刷有银浆层。The high-efficiency and energy-saving heating pipe according to claim 1, characterized in that a silver paste layer is applied to a portion where both ends of the heating film are combined with the copper sheet and the molybdenum sheet.
  4. 根据权利要求1所述的高效节能型加热管，其特征在于，陶瓷接头真空封装后在封装管中充入保护性气体。The high-efficiency and energy-saving heating tube according to claim 1, characterized in that, after the ceramic joint is vacuum-sealed, a protective gas is filled in the packaging tube.
  5. 根据权利要求2所述的高效节能型加热管，其特征在于，所述碳材料发热膜可选择石墨烯膜、碳纳米管膜、碳纤维膜或石墨烯-碳纤维-碳纳米管复合膜中的任意一种。The high-efficiency and energy-saving heating tube according to claim 2, wherein the carbon material heating film can be selected from a graphene film, a carbon nanotube film, a carbon fiber film, or a graphene-carbon fiber-carbon nanotube composite film. One.
  6. 根据权利要求1所述的高效节能型加热管，其特征在于，所述封装管为石英管、玻璃管、陶瓷管或氧化铝管中的任意一种。The high-efficiency energy-saving heating tube according to claim 1, wherein the packaging tube is any one of a quartz tube, a glass tube, a ceramic tube, or an alumina tube.
  7. 根据权利要求4所述的高效节能型加热管，其特征在于，所述保护性气体为氮气或惰性气体。The high-efficiency energy-saving heating tube according to claim 4, wherein the protective gas is nitrogen or an inert gas.
  8. 根据权利要求1所述的高效节能型加热管，其特征在于，所述的封装管直径为10-100mm，壁厚为2～10mm。The high-efficiency and energy-saving heating tube according to claim 1, wherein the diameter of the packaging tube is 10-100 mm, and the wall thickness is 2-10 mm.
  9. 权利要求1-8任一项所述的高效节能型加热管，在电烤箱、电加热炉、浴霸、烤漆远红外加热灯、化工加热或医疗加热消毒领域的应用。The high-efficiency and energy-saving heating tube according to any one of claims 1 to 8, and its application in the fields of electric oven, electric heating furnace, bath tyre, baking far-infrared heating lamp, chemical heating or medical heating and disinfection.
  10. 一种权利要求1-8任一项所述的高效节能型加热管的制备方法，其特征在于，包括以下步骤：A method for preparing an energy-efficient heating pipe according to any one of claims 1 to 8, characterized in that it comprises the following steps:
    步骤1，在发热膜两侧涂刷银浆后固化；Step 1. Applying silver paste on both sides of the heating film to cure it;
    步骤2，将银浆固化后的发热膜两端分别按照铜片、发热膜、钼片、铜片的顺序贴合在一起，然后通过卯定螺丝卯定成一体，得到发热膜组合结构；Step 2: The two ends of the heat-generating film after the silver paste is cured are bonded together in the order of a copper sheet, a heat-generating film, a molybdenum sheet, and a copper sheet, and then fixed into a body by a set screw to obtain a heat-film composite structure;
    步骤3，在发热膜组合结构的两端采用导线与钼片连接；Step 3, the two ends of the heating film combination structure are connected with a molybdenum sheet by wires;
    步骤4，将发热膜组合结构放置于封装管内，采用陶瓷接头将封装管两头封装，并将导线穿过陶瓷封头引出封装管外，封装过程中将封装管内抽真空并充入惰性气体。Step 4, the heating film combination structure is placed in the packaging tube, the two ends of the packaging tube are sealed with ceramic joints, and the wires are led out of the packaging tube through the ceramic head, and the packaging tube is evacuated and filled with an inert gas during the packaging process.
PCT/CN2019/092881 2018-07-11 2019-06-26 High-efficiency energy-saving heating tube and preparation method therefor WO2020011017A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359981A (en) * 1989-07-27 1991-03-14 Ushio Inc Heater lamp
CN1077582A (en) * 1992-12-31 1993-10-20 廖伟创 A kind of far infrared quartz heating tube and manufacture method thereof
CN2891570Y (en) * 2006-01-26 2007-04-18 吴勤丰 Quartz electric heating tube
CN201766728U (en) * 2010-07-14 2011-03-16 王广祥 Electric heating pipe
CN105128359A (en) * 2015-07-03 2015-12-09 苏州国宇碳纤维科技有限公司 Processing technology for carbon-fiber heating tube
CN208836426U (en) * 2018-07-11 2019-05-07 江苏先丰纳米材料科技有限公司 A kind of high-efficiency and energy-saving type heating tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359981A (en) * 1989-07-27 1991-03-14 Ushio Inc Heater lamp
CN1077582A (en) * 1992-12-31 1993-10-20 廖伟创 A kind of far infrared quartz heating tube and manufacture method thereof
CN2891570Y (en) * 2006-01-26 2007-04-18 吴勤丰 Quartz electric heating tube
CN201766728U (en) * 2010-07-14 2011-03-16 王广祥 Electric heating pipe
CN105128359A (en) * 2015-07-03 2015-12-09 苏州国宇碳纤维科技有限公司 Processing technology for carbon-fiber heating tube
CN208836426U (en) * 2018-07-11 2019-05-07 江苏先丰纳米材料科技有限公司 A kind of high-efficiency and energy-saving type heating tube

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