Electromagnetism steam boiler
Technical field
The present invention relates to a kind of steam boiler, more particularly, to a kind of electromagnetism steam boiler.
Background technology
With the development of the social economy, the material life of the mankind becomes increasingly abundant.But the development of social economy, directly results in
The increasingly scarcity of mankind's available resources and going from bad to worse for earth atmosphere environment.Countries in the world all rise to environmental protection
Peak demand.And a paper ban of Environmental Protection in China department, also thoroughly declare that small scall coal-fired boiler is about to exit history in China
Stage.And combustion gas, fuel oil, electrothermal tube and electromagnetic heating type boiler are by the leading products as current boiler industry.People exist
Take leave of after coal-burning boiler, have to face a kind of new selection.In foregoing several new energy boiler products, which kind of boiler
Feed postition advanced technology, steady quality is reliable, and meets national energy-saving environmental requirement again, and who is by fierce market competition
In take the good opportunity.Balance, by contrast, electromagnetic heating type are gone from industrial automation, from energy-conserving and environment-protective, from the angle of safety in production
Boiler will undoubtedly be stood in boiler row steadily due to its advanced technology using hyundai electronicses electromagnetism and industrial automatic control
On the commanding elevation of industry.
Electromagnetic boiler uses electric power regenerative resource, and it can save energy more than three one-tenth compared with electric heating pipe type boiler, uses the longevity
Life is several times even more than ten times of electric heating pipe type boiler.Disposable install uses for many years, and maintenance and repair expense is low;Same combustion gas, combustion
Thermo oil boiler is compared, and is not burnt, the flames of anger, and environment is not polluted, and the advantage of its energy-conserving and environment-protective is fairly obvious, is all being closed in the whole world
Under the overall situation for noting environmental protection, powerful vitality is shown.
But be due to boiler structure design it is unreasonable, the various factors such as processing technology and control technology limitation, market
On also occur without ripe electromagnetic boiler product.
Electromagnetic heating technique is the more universal technology of a use, but most products are all operated in the relatively low shape of frequency
State, its electric energy is not high.Want further to improve its energy-saving efficiency on existing technological layer, unique channel is exactly certain
In the range of improve the working frequency of circuit, and restrict the bottle diameter for improving working frequency just in final power amplifying circuit, both at home and abroad
Existing power device its working frequency all in below 30KHZ.Therefore, it is raising electric energy, it is necessary to improve overall circuit
Working frequency, it is necessary to solve high-frequency high-power amplifying circuit problem.
The content of the invention
The present invention is in view of the shortcomings of the prior art, propose a kind of electromagnetism steam boiler, and reasonable in design, the thermal efficiency is high,
Floor space is small, safe and reliable.
The technical solution adopted in the present invention:
A kind of electromagnetism steam boiler, including the boiler body and electric control system being made up of heating tube and vaporium,
The heating tube makes according to the relevant standard of national pressure vessel, and vaporium is horizontally set at the top of heating tube and and heating tube
Inner chamber is connected, and the boiler body is arranged in case structure body, and heating tube periphery is set before heating coil, the case structure body
Portion is provided with control cabinet, and electric control system is arranged in the control cabinet, according to electromagnetic heating principle, using Electromagnetic Heating side
Formula, organically combines Electromagnetic Heating electronic section with boiler body, and utilizes FET high-frequency high-power feature, leads to
Cross makes heating coil working frequency between 20-50KHZ using the triggers circuit of high stability.
Described electromagnetism steam boiler, with reference to the watt level of Electromagnetic Heating, designs boiler and is produced within the unit interval
The total amount of steam, then by 10:7 ratio, determines the volume of boiler furnace reclaimed water and the volume of vaporium, further according to required work(
Rate calculates the total height of the line footpath of magnet coil, the number of turns of magnet coil and coil.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating are 10~30KW, using a heating tube, design volume
Determine 15~45A of electric current, magnet coil uses cross-sectional area for 25mm2Electromagnetic wire winding 62~48 enclose, wound around coil is a diameter of
169 millimeters, the height of wound around coil is 1100mm.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating are 50~80KW, using two heating tubes, design volume
Determine electric current 80A~120A, one heating coil of winding outside each heating tube, the magnet coil use cross-sectional area for
35mm2Electromagnetic wire winding 45~38 enclose, a diameter of 229 millimeters of wound around coil, the height of wound around coil is 900mm.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating are 90~120KW, using three heating tubes, design
One heating coil of winding outside 135~180A of rated current, each heating tube, magnet coil uses cross-sectional area for 50mm2
Electromagnetic wire winding 24~30 enclose, a diameter of 355 millimeters of wound around coil, the height of wound around coil is 720mm.
Described electromagnetism steam boiler, replicates the specification of its element circuit, by increasing the quantity of heating tube, can make
The high-power steam boiler of four~N number of heating tube, the N is the natural number more than 4.
After described electromagnetism steam boiler, heating tube rust prevention by applying liquid material paint, isothermal holding is done with glass fiber pin felt, is then twined again
Around the ceramic fibre of 10~30 millimeters thicks, coil then has been twined by calculating parameter;The steam outdoor face rust prevention by applying liquid material paint
Afterwards, isothermal holding is done with glass fiber pin felt.
Described electromagnetism steam boiler, 4 road PWM rectangular pulses, the height are produced using high-frequency electromagnetic heating control circuit
Frequency Electromagnetic Heating control circuit includes temperature detection collecting unit, control unit and pre-driver circuit;The drive circuit
Using the bridge circuit being made up of IGBT discrete components, the bridge circuit output connection magnet coil, four of bridge circuit
Bridge arm each includes optical coupling isolator, power push-pull amplifier, filter regulator circuit, and the temperature detection collecting unit determines temperature
The central processing unit of signal Access Control unit is spent, four I/O output ports that the central processing unit of control unit is set are distinguished
The input of the optical coupling isolator of four bridge arms of bridge circuit is connected to, the optical coupling isolator is through preamplifier and swings to
The input of circuit access power push-pull amplifier, the output end of the power push-pull amplifier passes through filter regulator circuit and pincers
Position circuit accesses the input of IGBT discrete components;Power push-pull amplifier uses MOSFET power amplification circuits, is imitated using field
Should pipe high-frequency high-power feature, working frequency is operated between 30-50KHZ, power output is reached more than 120KW.
Described electromagnetism steam boiler, the central processing unit of control unit uses dspIC30F2023 series monolithics, institute
Optical coupling isolator is stated using dual channel high speed optocoupler driver 2ED020I12F2, the central processing unit with described control unit connects
Also safety protective circuit is connect, the safety protective circuit includes busbar voltage detection circuit, over-current signal detection circuit, overheat
Signal deteching circuit, steam pressure detection circuit, vapor (steam) temperature detection circuit, furnace body temperature detection circuit, water level(The upper limit, under
Limit)Detect circuit and detect the Hall current sensor of water-carrying capacity, foregoing each safety protective circuit output signal access is described
Central processing unit, the corresponding execution circuit of single-chip microcomputer output control signal connection safety protective circuit.
Beneficial effects of the present invention:
1st, electromagnetism steam boiler of the present invention, according to the traditional function of electromagnetic heating principle combination steam boiler, electromagnetism plus
Thermoelectricity subdivision simultaneous interpretation system boiler body embryo is organically combined.Heating tube is holded up perpendicular to ground, and evaporation tube, which is horizontally placed on, to be added
On heat pipe, the principle risen naturally according to hot gas will not add carrying vapour in water, be prevented effectively from steam and mix brought uneasiness
Full hidden danger.
2nd, electromagnetism steam boiler of the present invention, organically combines modernized electronic technique with traditional boiler function, using list
Piece machine technology(MCU)And programmable automation control technology(PLC)It is energy-saving and environment-friendly during being dissolved into boiler for producing,
The thermal efficiency is up to more than 95%, can be economized on electricity 20-30% relative to traditional electric heating pipe type boiler.Greatly improve boiler operatiopn from
Dynamicization level, can accomplish round-the-clock automatic time switch machine, reach unattended.
3rd, electromagnetism steam boiler of the present invention, realizes the function of conventional boiler with the mode of electronic electromagnetic, by electric
Change control and greatly save human cost, No leakage, no discharge.It is interior in design by the way of electricity separation external insulation
Portion leakes water, the outside leakage of electricity, using electricity separation formula Electromagnetic Heating mode, it is to avoid the risk that the easy aging of electrothermal tube is easily leaked electricity, its
Preceding safety coefficient improves several orders of magnitude, and service life is greatly prolonged.
4th, the present invention utilizes MOSFET(FET)High-frequency high-power feature, by using the triggers circuit of high stability
Working frequency is operated between 20-50KHZ, preferably solve high frequency electric scale-up problem.Integrated control system and boiler
It is integrated, floor space is small, it is easy to install, it is convenient to promote.
Brief description of the drawings
Fig. 1 is one of electromagnetism steam boiler structural representation of the present invention(Single heating tube);
Fig. 2 is the two of electromagnetism steam boiler structural representation of the present invention(Two heating tubes);
Fig. 3 is the three of electromagnetism steam boiler structural representation of the present invention(Three heating tubes);
Fig. 4 is the four of electromagnetism steam boiler structural representation of the present invention(Four heating tubes);
Fig. 5, Fig. 6 are a pipe, three pipe finished product electromagnetism steam boiler surface structure schematic diagrams respectively;
Fig. 7 is electromagnetism steam boiler temperature control of the present invention and protection location circuit theory diagrams;
Fig. 8 is electromagnetism steam boiler driver circuit schematic diagram of the present invention.
Embodiment
Referring to Fig. 1~Fig. 6, electromagnetism steam boiler of the present invention, including the boiler body being made up of heating tube 1 and vaporium 2
And electric control system, heating tube 1 makes according to the relevant standard of national pressure vessel, and vaporium 2 is horizontally set at heating tube 1
Top and with heating tube cavity connect, the boiler body is arranged in case structure body 3, and the periphery of heating tube 1 sets heater wire
Circle 5, the front portion of case structure body 3 is arranged in the control cabinet provided with the electric control system of control cabinet 4, according to electromagnetic heating
Principle, using Electromagnetic Heating mode, organically combines Electromagnetic Heating electronic section with boiler body, and utilize field-effect
Pipe high-frequency high-power feature, makes the working frequency of heating coil 5 between 30-50KHZ by using the triggers circuit of high stability.
In Fig. 5, Fig. 6, label 6 is touch-screen, and 7 be base.
Described electromagnetism steam boiler, with reference to the watt level of Electromagnetic Heating, designs boiler and is produced within the unit interval
The total amount of steam, then by 10:7 ratio, determines the volume of boiler furnace reclaimed water and the volume of vaporium, further according to required work(
Rate calculates the total height of the line footpath of magnet coil, the number of turns of magnet coil and coil.
Below by embodiment, technical scheme is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 5, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating are 10~30KW, are used
One heating tube, designs 15~45A of rated current, and magnet coil uses cross-sectional area for 25mm2Electromagnetic wire winding 62~48
Circle, a diameter of 169 millimeters of wound around coil, the height of wound around coil is 1100mm.
Embodiment 2
Referring to Fig. 2, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating are 50~80KW, using two
One heating coil of winding outside heating tube, design rated current 80A~120A, each heating tube, the magnet coil is used
Cross-sectional area is 35mm2Electromagnetic wire winding 45~38 enclose, a diameter of 229 millimeters of wound around coil, the height of wound around coil is
900mm。
Embodiment 3
Referring to Fig. 3, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating are 90~120KW, using three
One heating coil of winding outside heating tube, 135~180A of design rated current, each heating tube, magnet coil is using transversal
Area is 50mm2Electromagnetic wire winding 24~30 enclose, a diameter of 355 millimeters of wound around coil, the height of wound around coil is 720mm.
Electromagnetism steam boiler of the present invention, replicates the specification of its element circuit, can by increasing the quantity of heating tube
To make the high-power steam boiler of four heating tubes, five heating tubes, six heating tubes.As shown in figure 4, to add containing four
The electromagnetism steam boiler of heat pipe;Fig. 5 is the electromagnetism steam boiler containing six heating tubes.
After electromagnetism steam boiler of the present invention, the rust prevention by applying liquid material paint of heating tube 1, isothermal holding is done with glass fiber pin felt,
Then the ceramic fibre of 10~30 millimeters thicks is wound again, has then twined coil by calculating parameter;The outer surface of vaporium 2 spray
Apply after antirust paint, isothermal holding is done with glass fiber pin felt.
Embodiment 4
Referring to Fig. 7, Fig. 8, the electromagnetism steam boiler of this present embodiment, and unlike foregoing embodiments:Using high frequency
Electromagnetic Heating control circuit produces 4 road PWM rectangular pulses, and the high-frequency electromagnetic heating control circuit includes temperature detection and gathers single
Member, control unit and pre-driver circuit;The drive circuit uses the bridge circuit being made up of IGBT discrete components, described
Bridge circuit output connection magnet coil, four bridge arms of bridge circuit each include optical coupling isolator, power push-pull amplifier,
Filter regulator circuit, the temperature detection collecting unit determines the central processing unit of temperature signal Access Control unit, and control is single
Four I/O output ports that the central processing unit of member is set are respectively connecting to the optical coupling isolator of four bridge arms of bridge circuit
Input, input of the optical coupling isolator through preamplifier and inverting circuit access power push-pull amplifier, the work(
The output end of rate push-pull amplifier accesses the input of IGBT discrete components by filter regulator circuit and clamp circuit;Power is pushed away
Amplifier is drawn using MOSFET power amplification circuits, using FET high-frequency high-power feature, working frequency is operated in 30-
Between 50KHZ, power output is set to reach more than 120KW.
The central processing unit of control unit uses dspIC30F2023 series monolithics, and the optical coupling isolator uses bilateral
Road high speed photo coupling driver 2ED020I12F2, the central processing unit connection with described control unit also has safety protective circuit, institute
Stating safety protective circuit includes busbar voltage detection circuit, over-current signal detection circuit, heat alarm detection circuit, steam pressure
Detect circuit, vapor (steam) temperature detection circuit, furnace body temperature detection circuit, water level(The upper limit, lower limit)Detect circuit and detection water
The Hall current sensor of flow, aforementioned circuit output signal accesses the single-chip microcomputer, the connection pair of single-chip microcomputer output control signal
The safeguard protection execution circuit answered.
If table 1 below is electromagnetism steam boiler series of products and parameter at different levels;Table 2 is electric heating pipe type boiler with electromagnetic boiler heat
Efficiency comparative's table;Table 3 is high-frequency electromagnetic boiler with traditional boiler operatiopn expense and parameter comparison table at different levels.
From contrast, electromagnetism steam boiler of the present invention, according to electromagnetic heating principle, Electromagnetic Heating and Modern Electronic
Control technology is organically combined with traditional burner pot embryo, using singlechip technology(MCU)And programmable automation control
Technology(PLC)During being dissolved into boiler for producing, the thermal efficiency is up to more than 95%, can be saved relative to traditional electric heating pipe type boiler
Electric 20-30%, it is energy-saving and environment-friendly, greatly improve the automatization level of boiler operatiopn.
In design by the way of electricity separation external insulation, inside is leaked water, the outside leakage of electricity, it is to avoid electrothermal tube is easily old
Change the risk easily leaked electricity, its safety coefficient improves several orders of magnitude, and service life is greatly prolonged.Integrated control system and boiler
It is integrated, floor space is small, it is easy to install, it is convenient to promote.
Table 1:Electromagnetism steam boiler series of products and parameter at different levels:
Table 2:Electric heating pipe type boiler is contrasted with the electromagnetic boiler thermal efficiency:
Table 3:High-frequency electromagnetic boiler is with traditional boiler operatiopn expense and parameter comparison at different levels: