CN102291857A

CN102291857A - Universal electrode heater

Info

Publication number: CN102291857A
Application number: CN2011102097578A
Authority: CN
Inventors: 冯忠和
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-26
Filing date: 2011-07-26
Publication date: 2011-12-21
Anticipated expiration: 2031-07-26
Also published as: CN102291857B

Abstract

The invention discloses a universal electrode heater, which comprises a shell and an electrode installed in the shell. The universal electrode heater is characterized in that: the electrode consists of integrated fins and a base plate; at least two integrated fins which are crossed with one another and not contacted are assembled in the shell provided with an inlet/outlet interface; the integrated fins 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 integrated fins 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 heater 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

The current electrode heater

Technical field

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

Background technology

Carry out with electrode in the electric energy conversion chemical energy heat energy technology existing, mostly adopt the stack of single cylindrical arrangement or monolithic to form the electric field action space, ubiquity electrode active area small occupied space is big, cubic power is little, electric energy conversion efficient is low under with the electrode effect of constant power, more can't realize forming the poly-talented product of seriation standardized universal electric energy conversion.

Therefore, improve with electrode and carry out electric energy conversion chemical energy heat energy technology, and the preparation application technology that forms the high-power universal product of high density, the problem that presses for solution become.

Summary of the invention

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

Technical solution of the present invention is: a kind of current electrode heater comprises shell, and is installed in the electrode of enclosure; Wherein, described electrode is made up of disjunctor fin and substrate, at least intermesh by the noncontact of two disjunctor fins and be assembled in the shell that is provided with inlet and outlet connectors, the disjunctor fin that described noncontact intermeshes is by the clearance channel of equidistant formation, a plurality of 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 the substrate one or both sides.

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

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 insulating material such as high-temperature insulation resin or pottery, or metal shell liner insulating bushing or insulating blanket, and its hull shape is circular casing and rectangular enclosure.

Its conjoined electrode moulding simply can be adopted the electric conducting material drawn, or die casting, or punching press, etc. the technology one-shot forming, or adopt weldering, riveting, molten, Deng connecting the technology post forming,, conjoined electrode can in small space, realize maximization of electrode active area thereby the big conversion efficiency height of cubic power because arranging compactness.

The fluid of indication of the present invention (or medium) comprises flow of liquid, 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 technology such as electric heating, the conversion of chemical energy heat energy homenergic finished.Its versatility can adapt to various mediums, fluid viscosity, and operation pressure, conditions such as the speed of service design corresponding runner.

Good effect of the present utility model:

One, practical efficiency analysis

Three grades of series connection of three-phase and four-line of the present invention electrode heater, no heater element reactive loss is zero in the system in electric energy conversion thermal energy process, but no not dry combustion method of fouling long-time continuous load running, not only adapt to various normal pressure open system level pressure closed systems, and control and to realize unattended operation control and networking monitoring automatically easily.This heated by electrodes device utilizes the paddy electricity 40 tons of conductivity can be spent for the running water water temperature lifting 93.5 of 0.025S in 4 hours, accumulation of energy 4377kw/h can satisfy 7000 square meters and build the heating of surviving the winter, its volume and cost only are to constitute with 1/tens of power electric boiler with other heater elements, this to the balance electrical network peak clipping add the paddy energy-saving and emission-reduction and have special significance.

In addition, the current electrode heater is used multistage connection in series-parallel design, can carry out the coarse adjustment of connection in series-parallel progression by the outside wiring switch, can also carry out the 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 current 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, the pharmacy of system wine, oven dry hot pressing, multiple industry such as petrochemical industry has versatility widely.Its simple moulding and structure, favorable manufacturability very easily realizes the seriation standardization of product.

Two, technical indicator analysis

Adopt three grades of series connection of three-phase and four-line electrode heater, sleeve shell system adopts the 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 highly is respectively 50mm, 100mm, 200mm series-connected stage group spacing 5mm, inside and outside conjoined electrode fin assembly building be apart from 1.2mm, space area of passage 1180.13mm^2, the total effective active area 370 of electrode, 345.07mm^2.

It is as follows to carry out computer simulation electric energy conversion thermal energy test result:

Test condition: 1) fluid natural water (running water); 2) power supply exchanges star-like wiring, 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).

Description of drawings

Fig. 1 is a 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 the different schematic diagrames that are electrically connected;

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

Figure 10 is fixing conductivity startability test resolution.

Embodiment

The invention will be further described below in conjunction with drawings and Examples.

Embodiment 1

See current electrode heater shown in Figure 1, comprise shell, the shell of 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 the U-shaped trip 101-4 that three circular arc body each interval positions have a projection, also comprise the interior conjoined electrode 201 and the outer conjoined electrode 301,302,303 that are installed in sleeve pipe 101 inner chambers.Among the present invention, conjoined electrode 201 is by disjunctor fin 201-2 in a plurality of in described, be embedded in the interior substrate 201-1 that is 120 degree by certain interval and go up composition, the end nipple of substrate 201-1 is for interior disjunctor fin 201-2 in each, and the cross section of the interior conjoined electrode 201 after the combination is rounded.The interior disjunctor fin 201-2 integral part of interior conjoined electrode 201 of combination is installed in the concave arc body of sleeve pipe 101 inner chambers, forms the location in the corresponding U-shaped trip 101-4 that inserts sleeve pipe 101 in outstanding position, the end of substrate 201-1 in making.Described outer conjoined electrode the 301,302, the 303rd is made up of three grades of series-connected stage groups of split.Should have outer substrate 301-1,302-1,303-1 equally by outer conjoined electrode 301,302,303, disjunctor fin 301-2,302-2,303-2 in being inlaid with by certain interval on the curved end of substrate 301-1,302-1,303-1 outside described, the cross section of this outer conjoined electrode 301,302,303 is fan shape.During installation, with utilize outer disjunctor fin 301-2 on the outer conjoined electrode 301,302,303,302-2,303-2 respectively with interior conjoined electrode 201 on the non-contacting each other equally spaced clearance channel of each inside and outside fin of interior disjunctor fin 201-2 insertion interlaced with each other formation, and import and export a plurality of fluid passages that form with sleeve pipe 101, then 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 to have bolt hole 101-3, interior substrate bolt hole 201-3, outer substrate bolt hole 301-3 on described sleeve pipe 101, by bolt (not providing among the figure) with after power lead is connected, the bolt hole 101-3 that bolt is passed on the sleeve pipe 101 is connected with interior substrate bolt hole 201-3, outer substrate bolt hole 301-3 respectively, makes inside and outside disjunctor fin form conductive electrode.When 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 present embodiment have imports and exports flange 101-1, and flange bolt hole 101-2 is connected with external pipe and ground wire.

The electric connection mode of the foregoing description is three grades of heated by electrodes devices of three-phase and four-line.

Fig. 2 has provided the embodiment different with Fig. 1.See that shell shown in Figure 2 is 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, be respectively equipped with the electrode that snakelike disjunctor fin 301-2,302-2 form 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 installed in the sealing gasket 201,202 of two shaped as frames between rectangular enclosure 101 both sides and two rectangular substrate 301,302.During 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 non-contacting installation of convex-concave each other cooperates, the snakelike disjunctor fin of two bodies 301-2, two inlet and outlet connectors 101-1 on clearance space that forms between the 302-2 and the rectangular enclosure 101,101-2 is communicated with the serpentine fluid rotating channel that forms, 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 imports and exports the snakelike rotating channel of formation fluid that communicates with rectangular enclosure 101.Have on the rectangular substrate 301-1 of both sides, the 302-1 on through hole 301-3,302-3 and two sealing gaskets 201,202 and have through hole 201-1,202-1, make the tapped blind hole 101-3 that both sides had on each through hole and the rectangular enclosure 101 corresponding, and mounting screw (not providing among the figure) connection is connected with external power source in above-mentioned through hole, and rectangular enclosure 101 is connected with external pipe and ground wire by inlet and outlet connectors 101-1, the 101-2 that two ends have up and down.

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 a 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 a 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 a three-phase and four-line in parallel.

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

In the present invention, related shell is to adopt insulating material such as high-temperature insulation resin or pottery, or metal shell, when adopting metal shell, needs liner insulating bushing or insulating blanket are 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 the 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 fixedly conductivity startability test resolution.If conductivity is 0.025S, start to full load test details as a result, power in the chart and water temperature curve are fixed slope from 0s to 0.3s and steadily rise, 0.3s basically form straight line gradually gently when the 1.0s to 0.8s, this moment, power and water temperature changed 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, compare with other metallic resistance type load equipment short circuit times current starts, adjusting device is simpler to be impacted littler to electrical network.

Claims

1. the current electrode heater comprises shell, and is installed in the electrode of enclosure; It is characterized in that, described electrode is made up of disjunctor fin and substrate, at least intermesh by the noncontact of two disjunctor fins and be assembled in the shell that is provided with inlet and outlet connectors, the disjunctor fin that described noncontact intermeshes is by the clearance channel of equidistant formation, a plurality of fluid rotating channels that this clearance channel and shell inlet and outlet connectors form, described disjunctor fin, substrate are connected with power supply.

2. according to the described current electrode heater of claim 1, it is characterized in that described disjunctor fin is distributed in the substrate one or both sides.

3. according to the described current electrode heater of claim 1, its feature this in, described disjunctor fin and substrate are overall electrode groups, or the electricity level group that is composed in series of split.

4. according to claim 1 or 2 described current electrode heaters, it is characterized in that 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.

5. according to the described current electrode heater of claim 1, it is characterized in that described shell is to adopt insulating material such as high-temperature insulation resin or pottery, or metal shell liner insulating bushing or insulating blanket, its hull shape is circular casing and rectangular enclosure.