CN102291857B

CN102291857B - Universal electrode heater

Info

Publication number: CN102291857B
Application number: CN201110209757.8A
Authority: CN
Inventors: 冯忠和
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-26
Filing date: 2011-07-26
Publication date: 2014-08-06
Anticipated expiration: 2031-07-26
Also published as: CN102291857A

Abstract

The invention discloses a universal electrode heating tube, which comprises a shell and an electrode installed in the shell; wherein the universal electrode heating tube is formed by a internal integrated electrode and a plurality of external integrated electrode, the internal and the external integrated electrodes not contacted are assembled in the shell provided with an inlet/outlet interface; the integrated fins of the electrode which are crossed with one another and not contacted are arranged at equal intervals to form a gap channel; the gap channel and the inlet/outlet interface form a plurality of fluid rotary channels; the internal and the external integrated electrodes and the base plate are connected with a power supply; and fluid in the channels is electrically connected with the outside through the fins at two sides and the base plate to form a load loop so that energy conversion is realized. The universal electrode heating tube can be widely applied to household appliances, medical treatment and public health, wine making, pharmacy, drying, hot-pressing and petrochemical industry and has high generality; and the serialization and the standardization of a product are easily realized.

Description

Universal electrode heater

Technical field

The invention belongs to electric energy conversion technology, relate to specifically a kind of Universal electrode heater that forms fluid passage with conjoined electrode fin noncontact interfix.

Background technology

Carry out with electrode in electric energy conversion chemical energy heat energy technology existing, mostly adopt single cylindrical arrangement or monolithic stack to form electric field action space, ubiquity electrode active area small occupied space is large, cubic power is little, under the electrode effect of Same Efficieney, electric energy conversion efficiency is low, more cannot realize and form the poly-talented product of the standardized general electric energy conversion of seriation.

Therefore, improve with electrode and carry out electric energy conversion chemical energy heat energy technology, and form the Application and preparation technology of the high-power universal product of high density, become problem in the urgent need to address.

Summary of the invention

In view of present situation, the invention provides a kind of Universal electrode heater that forms fluid passage with conjoined electrode fin noncontact interfix, effect with it under different operating modes, improve electric energy conversion chemical energy heat energy, by the fluid electrode passage that between electrode, non-contacting cooperation forms, the load circuit that its fluid is formed by electrode channel is realized power conversion.

Technical solution of the present invention is: a kind of Universal electrode heater, comprises shell, and be arranged on the electrode of enclosure; Wherein, described electrode is made up of disjunctor fin and substrate, at least intermesh and be assembled in the shell that is provided with inlet and outlet connectors by the noncontact of two disjunctor fins, the disjunctor fin that described noncontact intermeshes is by the clearance channel of equidistant formation, multiple fluid rotating channels that this clearance channel and shell inlet and outlet connectors form, described disjunctor fin, substrate are connected with power supply.

In the present invention, described disjunctor fin is distributed in substrate one or both sides.

Further, described disjunctor fin and substrate are overall electrode groups, or the electricity level group that is composed in series of split.

Further, described disjunctor fin, substrate and electrically connect as single-phase-two-wire, phase three-wire three, three-phase and four-line, or three-phase and four-line in parallel.

Further, described shell is to adopt the insulating material such as high-temperature insulation resin or pottery, or metal shell insulation liner lining or insulating blanket, and its hull shape is circular casing and rectangular enclosure.

Its conjoined electrode moulding simply can adopt electric conducting material drawn, or die casting, or punching press, etc. technique one-shot forming, or adopt weldering, riveting, molten, Deng connecting technique post forming, maximize because conjoined electrode arrangement compactness can realize electrode active area in small space, thereby the large conversion efficiency of cubic power is high.

The fluid (or medium) of indication of the present invention comprises liquid stream, grain flow, or mixed flow variform.

The power supply of indication can adopt direct current or interchange, low frequency or high frequency, and continuous wave or pulse involve the compound power supply of various combination.Realize or ionization, or electrolysis, or the technique such as electric heating, complete the conversion of chemical energy heat energy homenergic.Its versatility can adapt to various mediums, fluid viscosity, and operation pressure, the conditions such as the speed of service design corresponding runner.

Good effect of the present utility model:

One, practical Energy Efficiency Analysis

Three grades of series connection electrode heaters of three-phase and four-line of the present invention, in electric energy conversion thermal energy process, in system, be zero without heater element reactive loss, can long-time continuous load running without not dry combustion method of fouling, not only adapt to various normal pressure open system level pressure closed systems, and manipulation can realize unattended operation control and networking monitoring automatically easily.This heated by electrodes device utilizes the running water water temperature that paddy electricity can be 0.025S by 40 tons of conductivity in 4 hours to promote 93.5 degree, accumulation of energy 4377kw/h can meet 7000 square meters and build the heating of surviving the winter, its volume and cost are only to form with 1/tens of power electric boiler with other heater elements, this to balance electrical network peak clipping add paddy energy-saving and emission-reduction and there is special significance.

In addition, Universal electrode heater is applied multistage connection in series-parallel design, can carry out the coarse adjustment of connection in series-parallel progression by outside wiring switch, can also carry out single-stage fine tuning by current-regulating voltage-regulating equipment such as thyristors, and even phase-splitting separated time fine setting, make its transfer power can adapt to different operating mode technological requirements and the variation of electrical network peak valley bearing capacity, this will maximize and reduce outside high-power adjusting device configuration.

This Universal electrode heater can be widely used in, the kitchen guarding of family electrical equipment, such as water dispenser, water heater, steam pot, dishwasher, disinfection cabinet etc.Also can be widely used in health care, alcoholic pharmacy, dries hot pressing, and the multiple industry such as petrochemical industry, has versatility widely.Its simple moulding and structure, good manufacturability, very easily realizes the seriation standardization of product.

Two, technical indicator analysis

Adopt three grades of series connection electrode heaters of three-phase and four-line, sleeve shell system adopts fire resistant resin single injection-molded, internal diameter 104mm external diameter 124mm, high 380mm, conjoined electrode adopts anticorrosion aluminium alloy stretching section bar, interior conjoined electrode external diameter 104mm height 370mm, outer conjoined electrode external diameter 104mm is highly respectively 50mm, 100mm, 200mm series-connected stage group spacing 5mm, inside and outside conjoined electrode fin assembly building is apart from 1.2mm, space area of passage 1180.13mm^2, the total effective active area 370 of electrode, 345.07mm^2.

Carry out computer simulation electric energy conversion thermal energy test result as follows:

Test condition: 1) fluid natural water (running water); 2) power supply exchanges star-connection, 220V; 3) three grades of full loads; 4) inlet velocity 0.75m/s, (2.7677kg/s); 5) inlet water temperature 298K, (24.85 degree Celsius).

Brief description of the drawings

Fig. 1 is topology view of the present invention;

Fig. 2 is another embodiment of Fig. 1;

Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 are different electrical connection schematic diagrames;

Fig. 9 is different conductivity power limit value test resolutions;

Figure 10 is fixing conductivity startability test resolution.

Embodiment

Below in conjunction with drawings and Examples, the invention will be further described.

Embodiment 1

Universal electrode heater as shown in Figure 1, comprises shell, and the shell of the present embodiment is a sleeve pipe 101, adopts ceramic insulating material to make.Its sleeve pipe 101 inner chambers are by three discontinuous concave arc bodies, are positioned at three circular arc body each interval positions and have a protruding U-shaped trip 101-4, also comprise the interior conjoined electrode 201 and the outer conjoined electrode 301,302,303 that are arranged on sleeve pipe 101 inner chambers.In the present invention, described interior conjoined electrode 201 is by multiple interior disjunctor fin 201-2, be embedded in the upper composition of interior substrate 201-1 that is 120 degree by certain interval, the end nipple of each interior substrate 201-1 is for interior disjunctor fin 201-2, and the cross section of the interior conjoined electrode 201 after combination is rounded.The interior disjunctor fin 201-2 integral part of the interior conjoined electrode 201 of combination is arranged in the concave arc body of sleeve pipe 101 inner chambers, makes the corresponding interior location that forms of U-shaped trip 101-4 of inserting sleeve pipe 101, outstanding position, end of interior substrate 201-1.Described outer conjoined electrode the 301,302, the 303rd, is made up of three grades of series-connected stage groups of split.This outer conjoined electrode 301,302,303 has outer substrate 301-1,302-1,303-1 equally, ?on described outer substrate 301-1, the curved end of 302-1,303-1, be inlaid with interior disjunctor fin by certain interval and form 301-2,302-2,303-2, the cross section of this outer conjoined electrode 301,302,303 is fan shape.When installation, by utilize outer disjunctor fin 301-2 on outer conjoined electrode 301,302,303,302-2,303-2 respectively with interior conjoined electrode 201 on interior disjunctor fin 201-2 insertion interlaced with each other form each inside and outside fin non-contacting equally spaced clearance channel each other, and import and export with sleeve pipe 101 the multiple fluid passages that form, inside and outside substrate is connected with power supply.In the present embodiment, being electrically connected to each other of inside and outside substrate is to utilize on described sleeve pipe 101, to have bolt hole 101-3, interior substrate bolt hole 201-3, outer substrate bolt hole 301-3, after being connected with power lead by bolt (not providing in figure), bolt is connected with interior substrate bolt hole 201-3, outer substrate bolt hole 301-3 respectively through the bolt hole 101-3 on sleeve pipe 101, makes inside and outside disjunctor fin form conductive electrode.In the time of fluid passage that fluid media (medium) forms each other by inside and outside disjunctor fin, form load circuit and realize power conversion.Sleeve pipe 101 two ends of the present embodiment are with importing and exporting flange 101-1, and flange bolt hole 101-2 is connected with external pipe and ground wire.

The electric connection mode of above-described embodiment is three grades of heated by electrodes devices of three-phase and four-line.

Fig. 2 has provided the embodiment different from Fig. 1.Shell is as shown in Figure 2 a rectangular enclosure 101 and is positioned at two inlet and outlet connectors 101-1, the 101-2 that upper and lower side has, also comprise two rectangular substrate 301,302, the electrode that is respectively equipped with snakelike disjunctor fin 301-2,302-2 composition on the body of described two rectangular substrate 301,302, described snakelike disjunctor fin 301-2,302-2 are a pair of convex-concave shapes.Also be arranged on the sealing gasket 201,202 of two shaped as frames between rectangular enclosure 101 both sides and two rectangular substrate 301,302.When installation, the rectangular substrate 301 of both sides, snakelike disjunctor fin 301-2 on 302, 302-2 sees through the sealing gasket 201 of two shaped as frames, 202, make two snakelike disjunctor fin 301-2, the 302-2 each other non-contacting installation of convex-concave coordinates, the snakelike disjunctor fin of two bodies 301-2, two inlet and outlet connectors 101-1 in the clearance space forming between 302-2 and rectangular enclosure 101, 101-2 is communicated with the serpentine fluid rotating channel forming, make the rectangular substrate 301 of both sides, 302 under rectangular enclosure 101 constraint rectangle conjoined electrode fin 301-2, 302-2 forms equally spaced passage to inserting, and import and export with rectangular enclosure 101 the snakelike rotating channel of formation fluid that communicates.On rectangular substrate 301-1, the 302-1 of both sides, have on through hole 301-3,302-3 and two sealing gaskets 201,202 and have through hole 201-1,202-1, the tapped blind hole 101-3 that both sides in each through hole and rectangular enclosure 101 are had is corresponding, and mounting screw (not providing in figure) connects and is connected with external power source in above-mentioned through hole, rectangular enclosure 101 pass through two ends up and down with inlet and outlet connectors 101-1,101-2 be connected with external pipe and ground wire.

The electric connection mode of embodiment 2 is the heated by electrodes device of single-phase-two-wire.

See that Fig. 3, Fig. 4 have provided heated by electrodes device cross sectional shape, the electric connection mode of its two kinds of cross sectional shapes is single-phase-two-wire.

See that Fig. 5, Fig. 6 have provided heated by electrodes device cross sectional shape, the electric connection mode of these two kinds of cross sectional shapes is phase three-wire three.

See that Fig. 7, Fig. 8 have provided heated by electrodes device cross sectional shape, the electric connection mode of these two kinds of cross sectional shapes is three-phase and four-line in parallel.

According to These characteristics, its connected mode, can also arrange out multiple phase, line, the combination of quantity.

In the present invention, related shell is to adopt the insulating material such as high-temperature insulation resin or pottery, or metal shell, while adopting metal shell, insulation liner lining or insulating blanket need to be installed, and hull shape and structure are not limited to circular casing and rectangle.

Fig. 9 has provided different conductivity power limit value test resolutions.With the interval equi-spaced apart 0.005S of natural water conductivity 0.005S-0.06S one by one test result details see, wherein:

Conductivity 0.005S, power limit value 218.83kw, outlet water temperature 316.7K 43.55 degree Celsius.

Conductivity 0.06S, power limit value 2625.91kw, outlet water temperature 522.35K 249.2 degree Celsius.

Figure 10 has provided fixing conductivity startability test resolution.If conductivity is 0.025S, start to full load test result details, power in chart and water temperature curve are fixed slope from 0s to 0.3s and steadily rise, 0.3s to 0.8s basically forms straight line gradually gently in the time of 1.0s, now power and water temperature change less than 0.01%, final steady-state value power 1094.13kw, outlet water temperature 391.48K 118.33 degree Celsius.

From above two test result analysis, three grades of heated by electrodes devices of this three-phase and four-line are steady at setting natural water conductivity variations section operation, the fast thermal inertia of toggle speed is little, especially the zero current of opening a way starts, compared with other metal electric resistance type load equipment short circuit times current starts, adjusting device more simply impacts less to electrical network.

Claims

1. Universal electrode heater, comprises shell, and is arranged on the electrode of enclosure, it is characterized in that, described electrode is to be made up of interior conjoined electrode and outer conjoined electrode, described interior conjoined electrode is by multiple interior disjunctor fins, be embedded on interior substrate and form by certain interval, described outer conjoined electrode is made up of the outer disjunctor fin of inlaying by certain interval on outer substrate and outer substrate curved end, the cross section of described outer conjoined electrode is fan shape, inside and outside conjoined electrode noncontact is assembled in the shell that is provided with inlet and outlet connectors, the disjunctor fin noncontact of inside and outside conjoined electrode intermeshes by equidistant formation clearance channel, this clearance channel and shell inlet and outlet connectors form multiple fluid rotating channels, described inside and outside conjoined electrode substrate is connected with power supply.

2. Universal electrode heater according to claim 1, is characterized in that, described outer conjoined electrode is the electrode group that split is composed in series.