Electromagnetism steam boiler
Technical field
This utility model relates to a kind of steam boiler, especially relates to a kind of electromagnetism steam boiler.
Background technology
Along with socioeconomic development, the material life of the mankind becomes increasingly abundant.But socioeconomic development, directly results in the scarcity day by day of mankind's available resources and going from bad to worse of earth atmosphere environment.Countries in the world have all risen to peak demand to environmental conservation.And a paper ban of Environmental Protection in China department, the most thoroughly declare that small scall coal-fired boiler is about to step down from the stage of history in China.And combustion gas, fuel oil, electrothermal tube and electromagnetic heating type boiler will become the leading products of current boiler industry.People, after taking leave of coal-burning boiler, have to face a kind of new selection.In aforementioned several new forms of energy boiler products, the feed postition advanced technology of which kind of boiler, steady quality is reliable, and meets again national energy-saving environmental requirement, and who will take the good opportunity in the fierce market competition.Going balance from industrial automation, angle from energy-conserving and environment-protective, from safety in production, by contrast, electromagnetic heating type boiler, due to its application hyundai electronics electromagnetism and the advanced technology of industrial automatic control, will be stood on the commanding elevation of boiler industry undoubtedly steadily.
Electromagnetic boiler uses electric power regenerative resource, and more than it can save energy three one-tenth compared with electric heating pipe type boiler, service life is several times even tens times of electric heating pipe type boiler.Disposable installation uses for many years, and maintenance and repair expense is low;Compared with combustion gas, oil burning boiler, do not burn, the flames of anger, environment not to be polluted, the advantage of its energy-conserving and environment-protective is fairly obvious, in the whole world all under the overall situation of concern for the environment protection, shows powerful vitality.
But owing to the design of boiler structure is unreasonable, the various factors such as processing technique and control technology limits, market does not also have the electromagnetic boiler product of maturation occur.
Electromagnetic heating technique is one and uses more universal technology, but most products be all operated in the state that frequency is relatively low, its electric energy is the highest.Want on existing technological layer to improve its energy-saving efficiency further, unique channel is exactly to improve the operating frequency of circuit within the specific limits, and restrict improve operating frequency bottle diameter just at final power amplifying circuit, its operating frequency of existing power device both domestic and external is all at below 30KHZ.Therefore, for improving electric energy, it is necessary to improve the operating frequency of overall circuit, it is necessary to solve a high-frequency high-power amplifying circuit difficult problem.
Summary of the invention
This utility model is not enough for prior art, it is proposed that a kind of electromagnetism steam boiler, reasonable in design, and the thermal efficiency is high, and floor space is little, safe and reliable.
The technical scheme that this utility model is used:
nullA kind of electromagnetism steam boiler,Including by adding heat pipe (1) and boiler body that vaporium (2) is constituted and electric control system,The described heat pipe (1) that adds makes according to country's relevant standard of pressure vessel,Vaporium (2) is horizontally set at and adds the top of heat pipe (1) and connect with adding heat pipe inner chamber,Described boiler body is arranged in case structure body (3),Add heat pipe (1) periphery and set heating coil (5),Described case structure body (3) front portion is provided with control chamber (4),Electric control system is arranged in described control chamber (4),According to electromagnetic heating principle,Use Electromagnetic Heating mode,Electromagnetic Heating electronic section is organically combined with boiler body,And utilize field effect transistor high-frequency high-power feature,By using the triggering circuit of high stability to make heating coil operating frequency between 20-50KHZ.
Described electromagnetism steam boiler, watt level in conjunction with Electromagnetic Heating, design boiler within the unit interval, produce the total amount of steam, then in the ratio of 10:7, determine the volume of water and the volume of vaporium in boiler furnace, calculate the line footpath of solenoid, the number of turns of solenoid and the total height of coil further according to power demand.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating is 10~30KW, uses one to add heat pipe, designs rated current 15~45A, and solenoid uses 25mm2Electromagnetic wire is wound around 62~48 circles, and coil diameter is 169 millimeters, and the height of coil is 1100mm.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating is 50~80KW, uses two to add heat pipe, design rated current 80A~120A, and each heat pipe outside that adds is wound around a heating coil, and described solenoid uses 35mm2Electromagnetic wire is wound around 45~38 circles, and coil diameter is 229 millimeters, and the height of coil is 900mm.
Described electromagnetism steam boiler, the power designs of Electromagnetic Heating is 90~120KW, uses three to add heat pipe, designs rated current 135~180A, and each heat pipe outside that adds is wound around a heating coil, and solenoid uses 50mm2Electromagnetic wire is wound around 24~30 circles, and coil diameter is 355 millimeters, and the height of coil is 720mm.
Described electromagnetism steam boiler, replicates the specification of its element circuit, is added the quantity of heat pipe by increase, can make four~N number of high-power steam boiler adding heat pipe, and described N is the natural number more than 4.
Described electromagnetism steam boiler, after adding heat pipe (1) rust prevention by applying liquid material paint, does isothermal holding with glass fiber pin felt, is wound around the ceramic fibre of 10~30 millimeters thick the most again, has then twined coil by calculating parameter;After described vaporium (2) outer surface rust prevention by applying liquid material paint, do isothermal holding with glass fiber pin felt.
Described electromagnetism steam boiler, uses high-frequency electromagnetic heating control circuit to produce 4 road PWM rectangular pulses, and described high-frequency electromagnetic heating control circuit includes temperature detection collecting unit, control unit and pre-driver circuit;Described drive circuit uses the bridge circuit being made up of IGBT discrete component, the output of described bridge circuit connects solenoid, four brachium pontis of bridge circuit each include optical coupling isolator, power push-pull amplifier, filter regulator circuit, described temperature detection collecting unit measures the central processing unit of temperature signal Access Control unit, four I/O output ports that the central processing unit of control unit is arranged are respectively connecting to the input of the optical coupling isolator of four brachium pontis of bridge circuit, described optical coupling isolator is through preamplifier and the input of inverting circuit access power push-pull amplifier, the outfan of described power push-pull amplifier accesses the input of IGBT discrete component by filter regulator circuit and clamp circuit;Power push-pull amplifier uses MOSFET power amplification circuit, utilizes field effect transistor high-frequency high-power feature, makes operating frequency be operated between 30-50KHZ, make output reach more than 120KW.
Described electromagnetism steam boiler, the central processing unit of control unit uses dspIC30F2023 series monolithic, described optical coupling isolator uses dual channel high speed optocoupler driver 2ED020I12F2, connect with the central processing unit of described control unit and also have safety protective circuit, described safety protective circuit includes busbar voltage testing circuit, over-current signal testing circuit, heat alarm testing circuit, steam pressure testing circuit, vapor (steam) temperature testing circuit, furnace body temperature testing circuit, water level (the upper limit, lower limit) testing circuit and detection discharge Hall current sensor, aforementioned each safety protective circuit output signal accesses affiliated central processing unit, single-chip microcomputer output control signal passes through signal converter to performing circuit, connect with described single-chip microcomputer and have power conditioning circuitry.
The beneficial effects of the utility model:
1, this utility model electromagnetism steam boiler, combines the traditional function of steam boiler according to electromagnetic heating principle, and Electromagnetic Heating electronic section is organically combined with tradition boiler body embryo.Adding heat pipe to be perpendicular to ground and hold up, evaporation tube is horizontally placed on and adds on heat pipe, the principle naturally risen according to steam, will not add carrying vapour in water, is prevented effectively from steam and mixes the hidden danger brought.
2, this utility model electromagnetism steam boiler, modernized electronic technique is organically combined with traditional boiler function, during using singlechip technology (MCU) and automated control technology able to programme (PLC) to be dissolved into boiler for producing, energy-saving and environment-friendly, the thermal efficiency is up to more than 95%, can economize on electricity 20-30% relative to tradition electric heating pipe type boiler.It is greatly improved the automatization level of boiler operatiopn, round-the-clock automatic time switch machine can be accomplished, reach unmanned.
3, this utility model electromagnetism steam boiler, realizes the mode of the function electronic electromagnetic of conventional boiler, controls to be greatly saved human cost by electrification, and No leakage, without discharge.Using the mode of electricity separation external insulation in design, inside leakes water, the outside leakage of electricity, use electricity separation formula Electromagnetic Heating mode, it is to avoid the risk of the easy aging easy electric leakage of electrothermal tube, and its front safety coefficient improves several order of magnitude, is greatly prolonged service life.
4, this utility model utilizes MOSFET(field effect transistor) high-frequency high-power feature, by using the triggering circuit of high stability to make operating frequency be operated between 20-50KHZ, preferably solve high frequency electric scale-up problem.Integrated control system and boiler are integrated, and floor space is little, it is easy to install, convenient popularization.
Accompanying drawing explanation
Fig. 1 is one of this utility model electromagnetism steam boiler structural representation (singly adding heat pipe);
Fig. 2 is two (two add heat pipe) of this utility model electromagnetism steam boiler structural representation;
Fig. 3 is three (three add heat pipe) of this utility model electromagnetism steam boiler structural representation;
Fig. 4 is four (four add heat pipe) of this utility model electromagnetism steam boiler structural representation;
Fig. 5, Fig. 6 are a pipe, three pipe finished product electromagnetism steam boiler surface structure schematic diagrams respectively;
Fig. 7 is that this utility model electromagnetism steam boiler temperature controls and protected location circuit theory diagrams;
Fig. 8 is this utility model electromagnetism steam boiler driving circuit principle figure.
Detailed description of the invention
See Fig. 1~Fig. 6, this utility model electromagnetism steam boiler, including by adding heat pipe 1 and boiler body that vaporium 2 is constituted and electric control system, add heat pipe 1 to make according to country's relevant standard of pressure vessel, vaporium 2 is horizontally set at and adds the top of heat pipe 1 and connect with adding heat pipe inner chamber, described boiler body is arranged in case structure body 3, add heat pipe 1 periphery and set heating coil 5, described case structure body 3 front portion is provided with control chamber 4 electric control system and is arranged in described control chamber, according to electromagnetic heating principle, use Electromagnetic Heating mode, Electromagnetic Heating electronic section is organically combined with boiler body, and utilize field effect transistor high-frequency high-power feature, by using the triggering circuit of high stability to make heating coil 5 operating frequency between 30-50KHZ.
In Fig. 5, Fig. 6, label 6 is touch screen, and 7 is base.
Described electromagnetism steam boiler, watt level in conjunction with Electromagnetic Heating, design boiler within the unit interval, produce the total amount of steam, then in the ratio of 10:7, determine the volume of water and the volume of vaporium in boiler furnace, calculate the line footpath of solenoid, the number of turns of solenoid and the total height of coil further according to power demand.
Below by detailed description of the invention, the technical solution of the utility model is described in further detail.
Embodiment 1
Seeing Fig. 1, Fig. 5, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating is 10~30KW, uses one to add heat pipe, designs rated current 15~45A, and solenoid uses 25mm2Electromagnetic wire is wound around 62~48 circles, and coil diameter is 169 millimeters, and the height of coil is 1100mm.
Embodiment 2
Seeing Fig. 2, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating is 50~80KW, uses two to add heat pipe, design rated current 80A~120A, and each heat pipe outside that adds is wound around a heating coil, and described solenoid uses 35mm2Electromagnetic wire is wound around 45~38 circles, and coil diameter is 229 millimeters, and the height of coil is 900mm.
Embodiment 3
Seeing Fig. 3, the electromagnetism steam boiler of the present embodiment, the power designs of Electromagnetic Heating is 90~120KW, uses three to add heat pipe, designs rated current 135~180A, and each heat pipe outside that adds is wound around a heating coil, and solenoid uses 50mm2Electromagnetic wire is wound around 24~30 circles, and coil diameter is 355 millimeters, and the height of coil is 720mm.
Electromagnetism steam boiler described in the utility model, replicates the specification of its element circuit, is added the quantity of heat pipe by increase, can make four add heat pipe, five add heat pipe, six high-power steam boilers adding heat pipe.As shown in Figure 4, for adding the electromagnetism steam boiler of heat pipe containing four;Fig. 5 is containing six electromagnetism steam boilers adding heat pipe.
Electromagnetism steam boiler described in the utility model, after adding heat pipe 1 rust prevention by applying liquid material paint, does isothermal holding with glass fiber pin felt, is wound around the ceramic fibre of 10~30 millimeters thick the most again, has then twined coil by calculating parameter;After described vaporium 2 outer surface rust prevention by applying liquid material paint, do isothermal holding with glass fiber pin felt.
Embodiment 4
See Fig. 7, Fig. 8, the electromagnetism steam boiler of this present embodiment, unlike foregoing embodiments: using high-frequency electromagnetic heating control circuit to produce 4 road PWM rectangular pulses, described high-frequency electromagnetic heating control circuit includes temperature detection collecting unit, control unit and pre-driver circuit;Described drive circuit uses the bridge circuit being made up of IGBT discrete component, the output of described bridge circuit connects solenoid, four brachium pontis of bridge circuit each include optical coupling isolator, power push-pull amplifier, filter regulator circuit, described temperature detection collecting unit measures the central processing unit of temperature signal Access Control unit, four I/O output ports that the central processing unit of control unit is arranged are respectively connecting to the input of the optical coupling isolator of four brachium pontis of bridge circuit, described optical coupling isolator is through preamplifier and the input of inverting circuit access power push-pull amplifier, the outfan of described power push-pull amplifier accesses the input of IGBT discrete component by filter regulator circuit and clamp circuit;Power push-pull amplifier uses MOSFET power amplification circuit, utilizes field effect transistor high-frequency high-power feature, makes operating frequency be operated between 30-50KHZ, make output reach more than 120KW.
The central processing unit of control unit uses dspIC30F2023 series monolithic, described optical coupling isolator uses dual channel high speed optocoupler driver 2ED020I12F2, connect with the central processing unit of described control unit and also have safety protective circuit, described safety protective circuit includes busbar voltage testing circuit, over-current signal testing circuit, heat alarm testing circuit, steam pressure testing circuit, vapor (steam) temperature testing circuit, furnace body temperature testing circuit, water level (the upper limit, lower limit) testing circuit and detection discharge Hall current sensor, aforementioned circuit output signal accesses affiliated single-chip microcomputer, single-chip microcomputer output control signal passes through signal converter to performing circuit, connect with described single-chip microcomputer and have power conditioning circuitry.
If table 1 below is electromagnetism steam boiler series of products and parameter at different levels;Table 2 is that electric heating pipe type boiler is with electromagnetic boiler thermal efficiency contrast table;Table 3 is that high-frequency electromagnetic boiler is with tradition boiler operatiopn expense and parameter comparison table at different levels.
From contrast, this utility model electromagnetism steam boiler, according to electromagnetic heating principle, Electromagnetic Heating and Modern Electronic are controlled technology organically combine with traditional burner pot embryo, using singlechip technology (MCU) and during automated control technology able to programme (PLC) is dissolved into boiler for producing, the thermal efficiency is up to more than 95%, can economize on electricity 20-30% relative to tradition electric heating pipe type boiler, energy-saving and environment-friendly, it is greatly improved the automatization level of boiler operatiopn.
Using the mode of electricity separation external insulation in design, inside leakes water, the outside leakage of electricity, it is to avoid the risk of the easy aging easy electric leakage of electrothermal tube, and its safety coefficient improves several order of magnitude, is greatly prolonged service life.Integrated control system and boiler are integrated, and floor space is little, it is easy to install, convenient popularization.
Table 1 electromagnetism steam boiler series of products and parameter at different levels:
Table 2 electric heating pipe type boiler is with electromagnetic boiler thermal efficiency contrast table:
Table 3 high-frequency electromagnetic boiler is with tradition boiler operatiopn expense and parameter comparison table at different levels: