CN1247964A - Miniature electrical boiler capable of being fitted with improved water heating fin - Google Patents

Abstract

The miniature electrical boiler consists of directly heated water heater with mazy pipeline, water pump, circular water pipe, heat radiator, water tank, etc. The water heater is a single-layer or multi-layer large-power heating body comprising electrothermal films with ceramic dielectric. The afterheat is abosrbed by water. The water heating system of obsolete coal-burning boiler may be reduced in electric heating system through separating and refitting.

Description

Miniature little boilers heated electrically of stackable technological transformation hot-water heating section of jurisdiction

The invention belongs to field of electric heating, is a kind of heating electric heater.

The most universal means of winter heating are to send water the circulation heat radiation of to hot-water heating section of jurisdiction with pump behind the coal-burning boiler manufacture hot water, and main disadvantage has 4 points: the one, and boiler fired coal causes environmental pollution; The 2nd, the delivery pipeline is long, and it is big that heat radiation causes heat energy to run off; The 3rd, settle accounts heating cost by economic law after the service incompatibility housing reform of " big-pot " formula, the 4th, " low load with strong power " wastes energy; Raising along with the people's living standard, with electricity for coal, adopt the family of space heater more and more, the new problem that produces is that the electric wire capacity of household is not enough, easily produce overheated fire or the electric shock accidents of causing of electric wire, with electricity for coal after if cause the hot-water heating section of jurisdiction to stop using then easily bursting by freezing winter, repair trouble, utilize original water-heating system, the technical scheme that replaces coal-burning boiler with combustion boiler furnace or boilers heated electrically goes out mutually then, the subject matter of its existence is that cost is big, wherein fires boiler furnace and does not thoroughly solve CO yet ₂The environmental issue of atmosphere pollution and CO leak and cause life-threatening problem, and then the power consumption installed capacity is big for boilers heated electrically, and power saving, big-pot problem and problems such as " low load with strong power " still can't resolve.

The present invention discloses miniature little boilers heated electrically of a kind of stackable technological transformation hot-water heating section of jurisdiction, can utilize former hot-water heating section of jurisdiction flexible combination to become the heating system of different capacity, and safe, energy-conservation, convenient cheapness replaces coal-burning boiler.

The technology of the present invention feature is the pipeline labyrinth directly-heated type water heater 1 by stackable combination, water pump 2, circulating water pipe 3, fin 4, water receiver 21 grades are combined into, wherein 1 is that a kind of multiple layer metal pipe labyrinth by at least three layers makes its double layer of metal labyrinth, outside bend pipe 6 and 7 absorb waste heat, middle one or more layers is equipped with the directly-heated type water heater of little heating 9, inboard near 6 and 7 respectively has a metallic plate 8 to be adjacent to 6 and 7 respectively, water is after row's labyrinth metal tube water inlet 11 enters the labyrinth metal tube from the side, the labyrinth Guan Houzai that at first enters opposite side enters labyrinth, intermediate layer metal tube 5 and flows out via delivery port 12, most of heat energy of 9 electric heating work is absorbed by the conduction of the water in the pile warp 5, when 9 small part heat energy have little time to be absorbed by flowing water in 5, heat energy be radiated on 8 and convert to conduction heat by with 8 labyrinth, the both sides metal winding pipes of being close to 6 and 7 in the cold water that flows through absorb, between 8 and 9, be equipped with heatproof insulating materials such as asbestos or the composite filled thing of magnesia 10 guarantee heatings 9 and be in and work in the environment that meets the electrical safety standard; The some little heatings 9 of electric heating device of the present invention parallel series/parallel on the metal tube 5 of labyrinth, metal winding pipe intermediate layer, labyrinth are formed, 5 bend to the parallel isometric labyrinth, plane of many rows (is optimum structure with eight rows), little heating 9 on series/parallel on the parallel copper pipe, the 9th, a kind of periphery is handled and is gone up Electric radiant Heating Film, inner headed face and both ends of the surface are pipe shape ceramic dielectric electrothermic film elements of insulation, 9 along symmetrical center line can Hough separately, can clamp after being fitted on the copper pipe 5 makes 9 and 5 fully to be adjacent to, fully conduction heat energy is to flowing through the water heating in the metal tube 5,9 cylindrical two ends are coated with silver-colored conductive electrode 14 on Electric radiant Heating Film 13, ceramic dielectric pipe 16 is reserved with Hough and divides the line of rabbet joint 15 on symmetrical center line, 9 can put forth effort separately to become little heating of a pair of semicircle column type structure and can conveniently fit on the metal tube 5 from 15, use foil electrode card 17 and 14 very to contact and utilize standard Luo silk to be screwed among the Luo silk hole of reserving on 17 18,9 parallel connections in a row are separately fixed on 5, the serial connection line utilizes 17 to connect between in a row 9, usually adopt eight and four strings parallel high power electrothermal membrane element structure of totally three twelve earthly branches elements 9 compositions, make every element 9 be in work under the 55V voltage; The parameter of power setting according to the present invention also can adopt two and two strings, eight and five strings, many and many string structures such as eight and six strings are formed, with the fabrication yield height of element 9, packaging technology is easy, and characteristics such as auxiliary material utilization rate height and the external power supply voltage parameter that is suitable for are the basis of series/parallel; Adopt known resistive film growing technology on the element 9 of the present invention, promptly utilize the crystallization butter of tin to add the alcoholic solution of adjusting agent and stabilizing agent and in 300～600 ℃ of temperature, decompose the oxide semiconductor film technology that produces tin, the present invention utilizes known Electric radiant Heating Film preparation technique to make electrothermic film element and the technology that is superimposed as high-power parts is 88100015.9 referring to the patent No., and name is called " large power, electrically heat exchange body and treatment technology thereof " disclosed patented method; Water pump 2 and fin 4 that the present invention adopts, water pipe 3 all is ripe standard components, the present invention is owing to there are the seasonal work characteristics, palpus will be by labyrinth type metal tube 6,7,5, heating 9, insulating materials 10 structural members such as grade just can be installed in the shell body 20 after being closed with the Kapton bag 19 of a heatproof, even in the not electric heating work of wet environment midium or long term, are encapsulated in various parts in 19 and material and also can not be invaded by moisture and cause electric leakage; When the present invention adopts 17 series/parallels 9 to form the large power, electrically thermal part, the electroheat member of series/parallel can be disconnected the switch-dividing control work of adopting, example four and four strings, three twelve earthly branches 9 can be formed 20 series/parallels respectively and add twelve earthly branches series/parallel structure, make respectively at 1.8Kw (20 five and four strings), work respectively under 1.2Kw (twelve earthly branches three and four strings) and synthetic 3Kw (three twelve earthly branches eight and the four strings) state; On hot-water outlet 12 copper pipe 5, post a warm element 22 of limit; can cut off the electricity supply automatically just in case leak in the circulation heating system or during insufficient water with protect 9 only the thermal technology prevent overheated consequence; 22 can be bimetal leaf temperature control element or disposable fuse; the use that also bimetal leaf temperature control element and disposable fuse can be together in series, wherein the limit temperature temperature of disposable fuse can be a little more than the bimetal leaf temperature control element.

Advantage of the present invention is that the metal labyrinth pipe 5 that little heating 9 is housed can be one or more layers, in the shell body 20 of a miniature volume, can multilayer stack combinations large power, electrically thermal part, make power bracket design leeway big, the water heater of assembling back work, can be that one or more water heater stack is used, the outlet pipe that utilizes previous water heater is connected with back one water inlet pipe and arbitrarily conveniently enlarges installed capacity and further enlarges the use power bracket and reduce cost of manufacture and convenient for maintaining or make things convenient for the local replacing water heater, little heating 9 of the present invention and use all can standardized designs and manufacturing, assembling can make things convenient for continuous productive process, volume of the present invention is small and exquisite, utilize existing water-heating system, can be divided into some replacement boiler technology reforms and become the hot-water heating circulatory system, technological transformation and function setting choice are flexible, the present invention is used for the expense that install at the new home, its cost is also far below the expense of the boiler that is eliminated, particularly install can be by electrical equipment standard application lead up to specification for the electrical equipment of the water heater among the present invention, directly installs behind ammeter and does not resemble the space heater randomness and abuse power supply and cause dangerous accident.

Fig. 1 is work of the present invention and system's scheme of installation.

Fig. 2 is water heater internal structure schematic diagram among the present invention.

Fig. 3 is little heating structural representation.

Fig. 4 is the electrode card structural representation.

Fig. 5 is the electric heating structure scheme of installation of part, water heater intermediate layer.

Fig. 6 is the water heater structural representation that removes panel.

Further specify operation principle of the present invention below in conjunction with accompanying drawing: water heater 1 water flowing energising also ensures the sufficient quantity of water by holder 21, water pump 2 than water heater among the present invention in advance and prolongation work make flow of hot water get back in 1 constantly again through 22 circulation heating and flow through 4 to continue heat radiation through fin 4 and along 3; During the former water-heating system of technological transformation,, and connect with serial connection feed water heater 1,2 one-tenths closed cycle systems of water pump and get final product, superseded original boiler and become little boilers heated electrically as long as close water inlet and return pipe in the heating scope are all cut off; If the heating scope is big, then can be with the back work of the serial connection of the water heater more than, and the several cooling fins group is worked simultaneously, promptly this little boilers heated electrically can superpose water heater and reach the purpose that replaces coal-burning boiler in the different mining warm range.

Claims (4)

1, a kind of miniature little boilers heated electrically of stackable technological transformation hot-water heating sheet, it is characterized in that forming by the pipeline labyrinth directly-heated type water heater 1 of stackable combination, water pump 2, circulating water pipe 3, fin 4, water receiver 21 etc., wherein water heater 1 is a kind of at least three layers multiple layer metal pipe labyrinth, water inlet is after row's labyrinth metal tube water inlet 11 enters the labyrinth metal tube from the side, be introduced into the labyrinth metal tube of opposite side, after enter labyrinth, intermediate layer metal tube 5 again and flow out; The inboard respectively has been adjacent to a metallic plate 8 on the both sides metal tube 6 and 7 of multilayer labyrinth metal tube; The some little heatings 9 of parallel series/parallel on the metal tube metallic intermediate layer pipe 5 of labyrinth.

2, miniature little boilers heated electrically as claim one described stackable technological transformation hot-water heating section of jurisdiction, the metal labyrinth pipe 5 that it is characterized in that being equipped with little heating 9 can be one or more layers, in the shell body 20 of a miniature volume, can multilayer stack combinations high power electrothermal membrane element, water heater after the assembling can be one or more, joins with the outlet pipe of previous water heater and back one water inlet pipe.

3, miniature little boilers heated electrically of stackable technological transformation hot-water heating as claimed in claim 1 section of jurisdiction, it is characterized in that little heating 9 adopts pipe shape ceramic dielectric electrothermic film element, but 9 divide the line of rabbet joint 15 Houghs separately along symmetrical centre, 9 both ends of the surface and interior garden face insulate, 9 periphery is handled and is gone up Electric radiant Heating Film, and 9 series/parallels in a row are combined in to bend on parallel isometric labyrinth, the plane metal tube 5 of many rows forms the high power electrothermal membrane element.

4, little boilers heated electrically of stackable technological transformation hot-water heating as claimed in claim 1 section of jurisdiction, it is characterized in that the labyrinth metal tube 6,7,5 in the water heater, heating 9 is installed in the shell body 20 after structures such as insulating materials 10 are closed with a heat-resisting Kapton bag 19.

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