CN109650744A - A kind of preparation method of heating tube and hot-water heating system with the heating tube - Google Patents

A kind of preparation method of heating tube and hot-water heating system with the heating tube Download PDF

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Publication number
CN109650744A
CN109650744A CN201910066779.XA CN201910066779A CN109650744A CN 109650744 A CN109650744 A CN 109650744A CN 201910066779 A CN201910066779 A CN 201910066779A CN 109650744 A CN109650744 A CN 109650744A
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water
heating tube
heating
hot
film
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成磊
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Guigang Hongde Management Consulting Co.,Ltd.
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Foshan Kang Xinjiang Electrical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3607Coatings of the type glass/inorganic compound/metal
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3623Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a chloride, bromide or iodide
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3634Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing carbon, a carbide or oxycarbide
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3644Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/89Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • C04B41/90Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being a metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/28Methods of steam generation characterised by form of heating method in boilers heated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818Arrangement or mounting of electric heating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028Continuous-flow heaters
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00Coatings on glass
    • C03C2217/70Properties of coatings
    • C03C2217/78Coatings specially designed to be durable, e.g. scratch-resistant
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/10Deposition methods
    • C03C2218/11Deposition methods from solutions or suspensions
    • C03C2218/112Deposition methods from solutions or suspensions by spraying

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Inorganic Chemistry (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Resistance Heating (AREA)

Abstract

The invention discloses a kind of preparation method of heating tube and with the hot-water heating system of the heating tube.The electric conductivity of heating tube made from the preparation method of the heating tube, Electric radiant Heating Film is strong, and film power attenuation rate is greatly lowered.The spraying plating of Electric radiant Heating Film treatment fluid is formed Electric radiant Heating Film using ultrasonic spray by the preparation method of the heating tube on the surface of heating tube carrier, and ultrasonic spray has the advantages that, convenient for control spray time, the uniformity of Electric radiant Heating Film obtained is more preferable.When the hot-water heating system works, water inputs water inlet line from flowmeter, and the water in water inlet line is pumped into electrothermal film heater by water pump by linker;Electrothermal film heater exports after water is heated into hot water/steam;The hot-water heating system can export hot water, moreover it is possible to export boiled water/steam, feature-rich and compact-sized, overall volume is small.

Description

A kind of preparation method of heating tube and hot-water heating system with the heating tube
Technical field
The present invention relates to the preparation method of heating equipment technical field more particularly to a kind of heating tube and there is the heating The hot-water heating system of pipe.
Background technique
Electric radiant Heating Film is as special material thin layer facial heating material made of the surface high-temp sintering of related substrate.Electric heating Film heater element is that at a certain temperature, one layer of oxidized metal film resistance forms on uniform metallization on the glass substrate, be can be used as Different electrical heating elements, such as shower, boiler, electric-heating coffee cup.Electrothermal membrane heating element is sent out as a kind of face Thermal element, has many advantages, such as electrothermal efficiency height, and heating speed is fast.Therefore, electrothermal membrane heating element development potentiality is huge, meets Low-carbon economy development trend.
But the Electric radiant Heating Film being prepared by traditional raw material and formula, after long-time hot operation, film resistor Can significantly it increase, power attenuation is serious, to influence the working performance of heating tube.And it is mostly used greatly when Electric radiant Heating Film production Press atomization method is by Electric radiant Heating Film spraying plating on carrier, and still, the thickness and the uniformity of Electric radiant Heating Film made from press atomization method are difficult to Control.
In addition, hot water facility can only export hot water mostly, have a single function.But user is in real life, in addition to hot water Outside, it is also necessary to the boiled water drunk or for clean steam.Therefore, traditional hot water facility is not able to satisfy the needs of user, uses If desired equipment that family generates steam or hot water, it is also necessary in addition purchase.
Therefore, it is urgent to provide a kind of preparation method of heating tube and with the hot-water heating system of the heating tube, with solution Certainly the deficiencies in the prior art.
Summary of the invention
Present invention aims at a kind of, and the preparation method of heating tube that provides insufficient for the prior art and have should The hot-water heating system of heating tube.
In order to solve the above-mentioned technical problem, The technical solution adopted by the invention is as follows:
A kind of preparation method of heating tube, its step are as follows,
Step S1: in dehydrated alcohol be added stannic chloride pentahydrate, antimony trichloride, stannic oxide, four tin oxide, boric acid, Glycerol, lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride, obtained solution;It heats the solution to It 65 DEG C~75 DEG C, is uniformly mixed;Solid is cooled to -5 DEG C~0 DEG C after all dissolving, and obtains electric heating film process after filtering Liquid;By the way that lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride these types additive are added in formula, The electric conductivity of Electric radiant Heating Film obtained is strong, and film power attenuation rate is greatly lowered;
Step S2: it is 400 DEG C~600 DEG C that heating tube carrier, which is heated to temperature, by ultrasonic spray by above-mentioned electricity The spraying plating of hotting mask treatment fluid forms Electric radiant Heating Film on the surface of heating tube carrier, and sedimentation time is 10~20min, then keep the temperature 30~ 50min obtains heating tube semi-finished product;The uniformity for the Electric radiant Heating Film being prepared using the above method is good;
Step S3: coating oxidation silver paste in the electric heating film surface of above-mentioned heating tube semi-finished product end respectively, is in temperature Electrode is formed after toasting 15~25min under conditions of 600~700 DEG C, heating tube is made.
More preferably, in step sl, the weight percent of each raw material is respectively as follows: stannic chloride pentahydrate 35~45%, trichlorine Change antimony 4.0~4.5%, stannic oxide 3~5%, four tin oxide 6~10%, boric acid 0.2~0.3%, glycerol 1.5~3.0%, Lanthanum nitrate hexahydrate 0.5~1%, indium nitrate 0.5~1.5%, cerium nitrate hexahydrate 0.1~0.4%, titanium trichloride 1~3%, chlorination Potassium 0.5~1%, dehydrated alcohol 20~50%;The doping of lanthanum, cerium and indium influences the electric conductivity of Electric radiant Heating Film big;By excellent The weight percent of lanthanum nitrate hexahydrate, cerium nitrate hexahydrate and indium nitrate in the feed is selected, the conductive capability of Electric radiant Heating Film obtained is made Enhancing.
More preferably, the material of the heating tube carrier is in devitrified glass, quartz glass, high-boron-silicon glass and ceramics Any one.Devitrified glass, quartz glass, the thermal shock resistance of high-boron-silicon glass and ceramics are good.
More preferably, the oxidation silver paste is the mixture for aoxidizing silver powder, terpineol, graphite powder and lead borosilicate glass powder;Institute The weight percent for stating each raw material in oxidation silver paste is respectively as follows: oxidation silver powder 70~80%, graphite powder 3~5%, lead Pyrex Powder 1~5%, terpineol 10~35%.The adhesive force of electrode made from the oxidation silver paste is good, conducts electricity very well.
The present invention also provides a kind of hot-water heating system with heating tube made from above-mentioned preparation method, including shell with And flowmeter, water inlet line, water pump, inflow temperature sensor, pcb board, linker, the heated by electrothermal film being disposed in the housing Device and leaving water temperature sensors;The pcb board is equipped with electrical power source connection;The flowmeter, the inflow temperature sensor, institute Electrothermal film heater and the leaving water temperature sensors are stated to be electrically connected with the pcb board respectively;The flowmeter is set to described The input end of water inlet line;The outlet end of the water inlet line is connect with the linker;The water pump passes through the linker Water in the water inlet line is pumped into the electrothermal film heater;Water is heated into hot water/steaming by the electrothermal film heater It is exported after vapour;The inflow temperature sensor is used to detect the inflow temperature of the electrothermal film heater;The leaving water temperature passes Sensor is used to detect hot water/steam temperature of the electrothermal film heater output.
More preferably, the linker includes installation pedestal and the water pump installation cavity in the installation pedestal;Institute The bottom for stating water pump installation cavity is equipped with pump intake and pump outlet;It is also set respectively on the inner wall of the installation pedestal There are the first interface being connected to the pump intake, the second interface being connected to the pump outlet and a third to connect Mouthful;The outside wall surface of the installation pedestal is equipped with the water outlet mouthpiece with the third orifice;The water outlet of the water inlet line End is connect with the first interface.
More preferably, the electrothermal film heater include the more heating tubes being sequentially communicated and respectively with the heating The heater water inlet and heater water outlet of pipe connection;The heater water inlet is connected to the second interface;It is described to add Hot device water outlet and the third orifice;Plating is equipped with the Electric radiant Heating Film on the surface of the heating tube.
More preferably, the inflow temperature sensor and the leaving water temperature sensors are NTC temperature sensor.
More preferably, the inflow temperature sensor and the leaving water temperature sensors pass through a mounting plate respectively and are fastened on institute It states on linker.
More preferably, the shell is equipped with PCB protective shell, and the PCB protective shell is covered on the pcb board;It is described into Waterpipe is equipped with the heat sink being bonded with the PCB protective shell.
The invention has the benefit that
1, heating tube made from the preparation method of the heating tube, the electric conductivity of Electric radiant Heating Film is strong, and film power attenuation rate is big Amplitude reduction;By test, which compares traditional Electric radiant Heating Film, and film resistance reduces 30 Ω or more;And identical Under test condition, the film resistance attenuation rate of the Electric radiant Heating Film is only 2.00%, far below the attenuation rate of traditional Electric radiant Heating Film 30.00%;
2, the preparation method of the heating tube uses ultrasonic spray by the spraying plating of Electric radiant Heating Film treatment fluid in heating tube carrier Electric radiant Heating Film is formed on surface, ultrasonic spray has the advantages that convenient for control spray time, the uniformity of Electric radiant Heating Film obtained More preferably;
3, when the hot-water heating system works, water inputs water inlet line from flowmeter, and water pump will be intake by linker Water in pipeline is pumped into electrothermal film heater;Electrothermal film heater exports after water is heated into hot water/steam;The hot water heating Device can export hot water, moreover it is possible to export boiled water/steam, feature-rich and compact-sized, overall volume is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hot-water heating system of the invention a kind of;
Fig. 2 is the explosive view of hot-water heating system of the invention a kind of
Fig. 3 is the structural schematic diagram of the linker in the present invention;
Fig. 4 is the top view of the linker in the present invention;
Fig. 5 is the structural schematic diagram of the electrothermal film heater in the present invention;
Fig. 6 is the structural schematic diagram of the heating tube in the present invention.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, this is presently preferred embodiments of the present invention.
Embodiment 1
A kind of preparation method of heating tube, its step are as follows,
Step S1: in dehydrated alcohol be added stannic chloride pentahydrate, antimony trichloride, stannic oxide, four tin oxide, boric acid, Glycerol, lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride, obtained solution;It heats the solution to It 65 DEG C, is uniformly mixed;Solid is cooled to -5 DEG C after all dissolving, and obtains Electric radiant Heating Film treatment fluid after filtering;
Step S2: it is 400 DEG C that heating tube carrier, which is heated to temperature, by ultrasonic spray by above-mentioned electric heating film process Liquid spraying plating forms Electric radiant Heating Film 811 on the surface of heating tube carrier, then sedimentation time 10min keeps the temperature 30min, added Heat pipe semi-finished product;
Step S3: coating oxidation silver paste in the electric heating film surface of above-mentioned heating tube semi-finished product end respectively, is in temperature Electrode is formed after toasting 15min under conditions of 600 DEG C, heating tube 81 is made.
In step sl, the weight percent of each raw material is respectively as follows: stannic chloride pentahydrate 35%, antimony trichloride 4.0%, two Tin oxide 3%, four tin oxide 6%, boric acid 0.2%, glycerol 1.5%, lanthanum nitrate hexahydrate 0.5%, indium nitrate 0.5%, six water nitre Sour cerium 0.1%, titanium trichloride 1%, potassium chloride 0.5%, remaining is dehydrated alcohol.
The material of the heating tube carrier is any one in devitrified glass, quartz glass, high-boron-silicon glass and ceramics Kind.
The oxidation silver paste is the mixture for aoxidizing silver powder, terpineol, graphite powder and lead borosilicate glass powder;The silver oxide In slurry the weight percent of each raw material be respectively as follows: oxidation silver powder 70%, graphite powder 3%, lead borosilicate glass powder 1%, remaining be terpene Product alcohol.
As shown in figures 1 to 6, the present invention also provides a kind of, and the hot water heating with heating tube made from above-mentioned preparation method fills It sets, flowmeter 2, water inlet line 3 including shell 1 and in the shell 1, water pump 4, inflow temperature sensor 5, PCB Plate 6, linker 7, electrothermal film heater 8 and leaving water temperature sensors 9.The pcb board 6 is equipped with for connecting with extraneous power supply Electrical power source connection 61.The flowmeter 2, the inflow temperature sensor 5, the electrothermal film heater 8 and the water temperature out Sensor 9 is spent to be electrically connected with the pcb board 6 respectively.The flowmeter 2 is set to the input end of the water inlet line 3, the stream Meter 2 is used to detect the flow of water inlet line 3.The outlet end of the water inlet line 3 is connect with the linker 7.The water pump 4 The water in the water inlet line 3 is pumped into the electrothermal film heater 8 by the linker 7.The electrothermal film heater 8 It is exported after water is heated into hot water/steam.The inflow temperature sensor 5 is used to detect the water inlet of the electrothermal film heater 8 Temperature;The leaving water temperature sensors 9 are used to detect hot water/steam temperature that the electrothermal film heater 8 exports.
The working principle of the hot-water heating system are as follows: flowmeter 2 is connected with extraneous water supply line, water through flowmeter flow into Waterpipe 3, flowmeter 2 are used to detect the flow of water inlet line 3.Then water pump 4 passes through linker 7 for the water in water inlet line 3 It is pumped into electrothermal film heater 8.Electrothermal film heater 8 exports after water is heated into hot water/steam.The hot-water heating system can Export hot water, moreover it is possible to export boiled water/steam, feature-rich and compact-sized, overall volume is small.
Fig. 3 and Fig. 4 are please referred to, the linker 7 includes installation pedestal 71 and the water in the installation pedestal 71 Pump installation cavity 72.The bottom of the water pump installation cavity 72 is equipped with pump intake 73 and pump outlet 74.The installation The first interface 75 being connected to the pump intake 73 and the pump outlet are further respectively had on the inner wall of pedestal 71 The second interface 76 and a third interface 77 of 74 connections.The outside wall surface of the installation pedestal 71 is equipped with and the third interface The water outlet mouthpiece 78 of 77 connections.The water outlet of the water inlet line 3 is connect with the first interface 75.
Please refer to Fig. 5 and Fig. 6, the electrothermal film heater 8 include the more heating tubes 81 being sequentially communicated and respectively with The heater water inlet 82 and heater water outlet 83 that the heating tube 81 is connected to.The heater water inlet 82 and described second Interface 76 is connected to.The heater water outlet 83 is connected to the third interface 77.The surface of the heating tube 81 is equipped with electricity Hotting mask 811.The working principle of electrothermal film heater 8 are as follows: the electrode 84 on electrothermal film heater 8 is electrically connected with pcb board 6.Work as electricity After pole 84 is powered, Electric radiant Heating Film 811 is generated heat, and is heated water to 45~100 DEG C or is heated into steam.
The working principle of linker 7 are as follows: the water in water inlet line 3 is connected to by first interface 75 with pump intake 73, Pump intake 73 is pumped into pump outlet 74 by water pump 4, and the water in pump outlet 74 enters electric heating by second interface 76 Film heater 8.After water is heated into hot water, boiled water/steam by electrothermal film heater 8, from the output of third interface 77 to water outlet mouthpiece 78。
The inflow temperature sensor 5 and the leaving water temperature sensors 9 are NTC temperature sensor.The hot water heating Device controls the heating temperature of electrothermal film heater 8 using NTC temperature control principle, by controlling heating temperature, to control electric heating Film heater 8 exports hot water or steam.Using NTC thermistor under certain measurement power, as the temperature rises for resistance value And decline rapidly.Using this characteristic, NTC thermistor can be determined corresponding temperature by measuring its resistance value, thus Achieve the purpose that detect and control temperature.
Referring to Fig. 1, assemble and repair for convenience, the inflow temperature sensor 5 and the leaving water temperature sensors 9 It is fastened on the linker 7 by a mounting plate 10 respectively.Specific to inflow temperature sensor 5 is protruded by a mounting hole In pump outlet 74, leaving water temperature sensors 9 are protruded into third interface 77 by a mounting hole.
Referring to Fig. 1, the shell 1 is equipped with PCB protective shell 11, the PCB protective shell 11 is covered on the pcb board 6 On.The water inlet line 3 is equipped with the heat sink 31 being bonded with the PCB protective shell 11.Heat sink 31 is used for PCB protective shell 11 heat is conducted to water inlet line 3, and the cold water in water inlet line 3 takes away heat, plays preferable heat dissipation effect.
Embodiment 2
The step of 2 difference from Example 1 of embodiment is the preparation method of heating tube, the preparation method of the heating tube It is as follows:
Step S1: in dehydrated alcohol be added stannic chloride pentahydrate, antimony trichloride, stannic oxide, four tin oxide, boric acid, Glycerol, lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride, obtained solution;It heats the solution to It 70 DEG C, is uniformly mixed;Solid is cooled to -2.5 DEG C after all dissolving, and obtains Electric radiant Heating Film treatment fluid after filtering;
Step S2: it is 500 DEG C that heating tube carrier, which is heated to temperature, by ultrasonic spray by above-mentioned electric heating film process Liquid spraying plating forms Electric radiant Heating Film on the surface of heating tube carrier, then sedimentation time 15min keeps the temperature 40min, obtains heating tube Semi-finished product;
Step S3: coating oxidation silver paste in the electric heating film surface of above-mentioned heating tube semi-finished product end respectively, is in temperature Electrode is formed after toasting 20min under conditions of 650 DEG C, heating tube is made.
In step sl, the weight percent of each raw material be respectively as follows: stannic chloride pentahydrate 40%, antimony trichloride 4.25%, Stannic oxide 4%, four tin oxide 8%, boric acid 0.25%, glycerol 2.25%, lanthanum nitrate hexahydrate 0.75%, indium nitrate 1.0%, six Water cerous nitrate 0.25%, titanium trichloride 2%, potassium chloride 0.75%, remaining be dehydrated alcohol;
The material of the heating tube carrier is any one in devitrified glass, quartz glass, high-boron-silicon glass and ceramics Kind.Devitrified glass, quartz glass, the thermal shock resistance of high-boron-silicon glass and ceramics are good.
The oxidation silver paste is the mixture for aoxidizing silver powder, terpineol, graphite powder and lead borosilicate glass powder;The silver oxide In slurry the weight percent of each raw material be respectively as follows: oxidation silver powder 75%, graphite powder 4%, lead borosilicate glass powder 3%, remaining be terpene Product alcohol.
Embodiment 3
Embodiment 3 and embodiment 1, embodiment 2 the difference is that heating tube preparation method, the preparation side of the heating tube The step of method, is as follows:
Step S1: in dehydrated alcohol be added stannic chloride pentahydrate, antimony trichloride, stannic oxide, four tin oxide, boric acid, Glycerol, lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride, obtained solution;It heats the solution to It 75 DEG C, is uniformly mixed;Solid is cooled to 0 DEG C after all dissolving, and obtains Electric radiant Heating Film treatment fluid after filtering;By being formulated Middle addition lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride these types additive, Electric radiant Heating Film obtained Electric conductivity it is strong, film power attenuation rate is greatly lowered;
Step S2: it is 600 DEG C that heating tube carrier, which is heated to temperature, by ultrasonic spray by above-mentioned electric heating film process Liquid spraying plating forms Electric radiant Heating Film on the surface of heating tube carrier, then sedimentation time 20min keeps the temperature 50min, obtains heating tube Semi-finished product;
Step S3: coating oxidation silver paste in the electric heating film surface of above-mentioned heating tube semi-finished product end respectively, is in temperature Electrode is formed after toasting 25min under conditions of 700 DEG C, heating tube is made.
More preferably, in step sl, the weight percent of each raw material is respectively as follows: stannic chloride pentahydrate 45%, antimony trichloride 4.5%, stannic oxide 5%, four tin oxide 10%, boric acid 0.3%, glycerol 3.0%, lanthanum nitrate hexahydrate 1%, indium nitrate 1.5%, Cerium nitrate hexahydrate 0.4%, titanium trichloride 3%, potassium chloride 1%, remaining is dehydrated alcohol.
The material of the heating tube carrier is any one in devitrified glass, quartz glass, high-boron-silicon glass and ceramics Kind.Devitrified glass, quartz glass, the thermal shock resistance of high-boron-silicon glass and ceramics are good.
The oxidation silver paste is the mixture for aoxidizing silver powder, terpineol, graphite powder and lead borosilicate glass powder;The silver oxide The weight percent of each raw material is respectively as follows: oxidation silver powder 80%, graphite powder 5%, lead borosilicate glass powder 5% in slurry, remaining is terpene Product alcohol.
The invention has the benefit that
1, heating tube made from the preparation method of the heating tube, the electric conductivity of Electric radiant Heating Film is strong, and film power attenuation rate is big Amplitude reduction;By test, which compares traditional Electric radiant Heating Film, and film resistance reduces 30 Ω or more;And identical Under test condition, the film resistance attenuation rate of the Electric radiant Heating Film is only 2.00%, far below the attenuation rate of traditional Electric radiant Heating Film 30.00%;
2, the preparation method of the heating tube uses ultrasonic spray by the spraying plating of Electric radiant Heating Film treatment fluid in heating tube carrier Electric radiant Heating Film is formed on surface, ultrasonic spray has the advantages that convenient for control spray time, the uniformity of Electric radiant Heating Film obtained More preferably;
3, when the hot-water heating system works, water inputs water inlet line from flowmeter, and water pump will be intake by linker Water in pipeline is pumped into electrothermal film heater;Electrothermal film heater exports after water is heated into hot water/steam;The hot water heating Device can export hot water, moreover it is possible to export boiled water/steam, feature-rich and compact-sized, overall volume is small.
Present invention is not limited to the embodiments described above, all to realize the present invention using structure similar with the present invention and its method All modes of purpose, it is within the scope of the present invention.

Claims (10)

1. a kind of preparation method of heating tube, it is characterised in that: its step are as follows,
Step S1: in dehydrated alcohol be added stannic chloride pentahydrate, antimony trichloride, stannic oxide, four tin oxide, boric acid, glycerol, Lanthanum nitrate hexahydrate, indium nitrate, cerium nitrate hexahydrate, titanium trichloride and potassium chloride, obtained solution;Heat the solution to 65 DEG C~ It 75 DEG C, is uniformly mixed;Solid is cooled to -5 DEG C~0 DEG C after all dissolving, and obtains Electric radiant Heating Film treatment fluid after filtering;
Step S2: it is 400 DEG C~600 DEG C that heating tube carrier, which is heated to temperature, by ultrasonic spray by above-mentioned Electric radiant Heating Film Treatment fluid spraying plating forms Electric radiant Heating Film on the surface of heating tube carrier, and sedimentation time is 10~20min, then keep the temperature 30~ 50min obtains heating tube semi-finished product;
Step S3: coating oxidation silver paste in the electric heating film surface of above-mentioned heating tube semi-finished product end respectively, temperature be 600~ Electrode is formed after toasting 15~25min under conditions of 700 DEG C, heating tube is made.
2. the preparation method of heating tube as described in claim 1, it is characterised in that: in step sl, the weight hundred of each raw material Point than be respectively as follows: stannic chloride pentahydrate 35~45%, antimony trichloride 4.0~4.5%, stannic oxide 3~5%, four tin oxide 6~ 10%, boric acid 0.2~0.3%, glycerol 1.5~3.0%, lanthanum nitrate hexahydrate 0.5~1%, indium nitrate 0.5~1.5%, six water nitre Sour cerium 0.1~0.4%, titanium trichloride 1~3%, potassium chloride 0.5~1%, dehydrated alcohol 20~50%.
3. the preparation method of heating tube as described in claim 1, it is characterised in that: the material of the heating tube carrier is selected from micro- Any one in crystal glass, quartz glass, high-boron-silicon glass and ceramics.
4. the preparation method of heating tube as described in claim 1, it is characterised in that: the oxidation silver paste is oxidation silver powder, terpene The mixture of product alcohol, graphite powder and lead borosilicate glass powder;The weight percent of each raw material is respectively as follows: oxidation in the oxidation silver paste Silver powder 70~80%, graphite powder 3~5%, lead borosilicate glass powder 1~5%, terpineol 10~35%.
5. a kind of hot-water heating system with heating tube made from the preparation method as described in claim any one of 1-4, special Sign is: including shell and the flowmeter being disposed in the housing, water inlet line, water pump, inflow temperature sensor, pcb board, Linker, electrothermal film heater and leaving water temperature sensors;The pcb board is equipped with electrical power source connection;It is the flowmeter, described Inflow temperature sensor, the electrothermal film heater and the leaving water temperature sensors are electrically connected with the pcb board respectively;Its Be characterized in that: the flowmeter is set to the input end of the water inlet line;The outlet end of the water inlet line and the linker Connection;Water in the water inlet line is pumped into the electrothermal film heater by the water pump by the linker;The electricity Film heater exports after water is heated into hot water/steam;The inflow temperature sensor is for detecting the heated by electrothermal film The inflow temperature of device;The leaving water temperature sensors are used to detect hot water/steam temperature of the electrothermal film heater output.
6. hot-water heating system as claimed in claim 5, it is characterised in that: the linker includes installation pedestal and is set to Water pump in the installation pedestal installs cavity;The bottom of the water pump installation cavity is equipped with pump intake and water pump water outlet Mouthful;The first interface being connected to the pump intake and the water pump are further respectively had on the inner wall of the installation pedestal The second interface and a third interface of water outlet connection;The outside wall surface of the installation pedestal is equipped with to be connected with the third interface Logical water outlet mouthpiece;The water outlet of the water inlet line is connect with the first interface.
7. hot-water heating system as claimed in claim 6, it is characterised in that: the electrothermal film heater includes more and successively connects The logical heating tube and the heater water inlet and heater water outlet being connected to respectively with the heating tube;The heater Water inlet is connected to the second interface;The heater water outlet and the third orifice;The surface of the heating tube Upper plating is equipped with the Electric radiant Heating Film.
8. hot-water heating system as claimed in claim 5, it is characterised in that: the inflow temperature sensor and the water temperature out Spending sensor is NTC temperature sensor.
9. hot-water heating system as claimed in claim 6, it is characterised in that: the inflow temperature sensor and the water temperature out Degree sensor passes through a mounting plate respectively and is fastened on the linker.
10. hot-water heating system as claimed in claim 5, it is characterised in that: the shell is equipped with PCB protective shell, described PCB protective shell is covered on the pcb board;The water inlet line is equipped with the heat sink being bonded with the PCB protective shell.
CN201910066779.XA 2019-01-24 2019-01-24 A kind of preparation method of heating tube and hot-water heating system with the heating tube Pending CN109650744A (en)

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CN108618624A (en) * 2018-07-30 2018-10-09 小熊电器股份有限公司 A kind of instant heating type drinking machine and its heating device, method for heating and controlling
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CN201488238U (en) * 2009-09-02 2010-05-26 美的集团有限公司 Electric heater
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