Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F22—STEAM GENERATION
  • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
  • F22B1/00—Methods of steam generation characterised by form of heating method
  • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B6/00—Heating by electric, magnetic or electromagnetic fields
  • H05B6/02—Induction heating
  • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications

Definitions

• the invention relates to a device for converting electrical energy into heat and for creating heat exchange. It can be used for heating liquids, for example, in heating and hot water supply systems of industrial and residential buildings, as well as in other areas that require heating and evaporation of fluids.
• Known electric steam generator including an electric single-phase transformer having a dial-up metal core, designed to create a closed magnetic field, the primary winding, located on the core and electrically isolated from it, the tubular secondary winding, insulated in a magnetic field.
• This electric steam generator also includes a jumper connected externally to the turns of the tubular secondary winding and designed to create a short circuit of the turns of the tubular secondary winding.
• the electric steam generator contains the necessary means for forcing fluid through the internal cavity of the tubular secondary winding. (US 1,999,446) But the described electric steam generator, which is one of the analogues to the claimed one, does not allow producing enough heat energy per unit of time to heat water and convert it into steam.
• an electric steam generator consisting of one or several electric single-phase transformers with type-setting metal cores designed to create a closed magnetic field in them, primary windings located on the cores and electrically isolated from them, a common tubular secondary winding located in a magnetic field isolated and covering all racks of metal transformer cores.
• This electric steam generator also contains a jumper made of two parts connecting the outer coils of the common metal tubular secondary winding in a plane perpendicular to the coils to create a short circuit of the coils of the tubular secondary winding at the intersection points of the outer surface of the tubular secondary winding with their diameters parallel to the total magnetic induction vector in stacked metal cores so that nearby points are interconnected by Eski one part of the composite jumper in the form of a sphere, and the remote points are connected electrically by another part of the composite jumper in the form of an arc of a ring.
• this electric steam generator contains means for forcing fluid through the internal cavity of the tubular secondary winding, and the tubular secondary winding is made of several metal sections connected in series, differing from each other in resistance to electrical current so that when electric current passes in each section thermal power is released corresponding to the phase of thermal transformation of water into steam when water moves in the inner cavity of a tubular second winding winding (application for the invention of JSfe 2016137819/07 (059757) from 09/22/2016).
• the secondary tubular winding consists of the heating, evaporating, and superheating sections. These sections of the secondary tubular winding are connected in series and may have the same or different diameter of the internal cavity and different electrical resistance.
• the electrical resistance of the sections of the secondary tubular winding is selected by calculation depending on the required heating temperature of the section.
• This electric the steam generator is the closest analogue (prototype) to the claimed invention in terms of the combination of essential features and the achieved result when used.
• this electric steam generator has significant drawbacks, consisting primarily in the fact that this design of the steam generator, although it allows generating heat energy per unit of time for heating water and converting it into steam in larger quantities than the above described analog, but still its quantity is not enough for use in industrial applications. This is explained by the fact that this design of the steam generator does not allow the use of transformers in the device that are simultaneously connected to different AC sources, differing in phase or frequency, or use multiphase transformers in the device.
• the common short-circuited secondary tubular winding is a single closed loop, covering all the racks of the type-setting metal cores of transformers. It should also be noted that with such a design of the electric steam generator of the prototype, if it is necessary to create an electric steam generator with an increase in its capacity, its metal intensity will increase. And this is explained by the fact that in this case, due to the increase in current consumption and the cross section of the wires of the primary windings, the boundaries of the sections of the secondary tubular winding change, which must be re-designed depending on the electrical power.
• the task that the developer of a new electric steam generator had set for itself was to create such a steam generator that would increase the steam output while reducing the metal consumption and overall dimensions of the steam generator.
• the technical result achieved in the process of solving the task assigned to the developer was the possibility to increase the production of thermal energy per unit of time for heating water and converting it into steam.
• the essence of the claimed invention consists in the fact that in an electric steam generator including electrical transformers having composing metal cores designed to create a closed magnetic field in them, the primary windings located on the cores and are electrically 95 insulated from them, the common tubular secondary winding located in magnetic field in isolation and covering all racks of type-setting metal cores of transformers, intertube, connecting the nearest points, and above tube, connecting mentary most distant point jumper surfaces oo total secondary winding tube in a plane perpendicular to its axis, and means for forcing the fluid through the inner tubular cavity of common secondary winding, the secondary winding is divided into tubular portions encompassing each rack composing metal transformer cores, electrical
• the transformers are multiphase.
• the transformers are three-phase.
• the common secondary tubular winding consists of a package of parallel-connected pipes.
• the sections representing electromagnetic circuits of the common secondary tubular winding are made of different electrical conductivity.
• the pipe sections, which are electromagnetic circuits, the common secondary tubular winding is made of different diameters.
• nadtrubny jumpers are made in the form metal semirings.
• nadtrubny jumpers made in the form of metal semirings, made from one-fifth to a quarter of the diameter of the connected pipes.
• 120 nadtrubny jumpers are made in the form of metal arcs.
• the above-pipe bridges are made in the form of metal brackets.
• the annular jumpers are made in the form of metal spheres.
• the annular lintels are made in the form of metal hollow cylinders.
• annular 125 lintels are made in the form of metal solid cylinders.
• figure 1 shows a General view of the three-phase electric 135 steam generator (axonometric);
• figure 2 tubular secondary winding (axonometric); on fig.Z - section aa of fig. 2
• the electric steam generator consists of two three-phase transformers 1, which include
• metal cores 2 having horizontal and vertical parts.
• the vertical part of the metal cores 2 is designed in the form of pillars 3.
• metal cores 2 of these three-phase transformers are located the primary windings 4 insulated from them. The total for these two three-phase
• transformers 1 secondary tubular winding 5 is made of solid copper pipe and has a supply 6 and outlet 7 pipes.
• the total secondary tubular winding 5 of the electric steam generator is insulated in a magnetic field and rolled up so that it covers all the racks of 3 type-setting metal cores 2 of both transformers 1 in the form of
• the common secondary tubular winding 5 is equipped with temperature sensors 8 and electrical jumpers: overhead 9 and shell-to-side 10. Push-up 9 electrical jumpers connect the most distant points, and shell-side 10 connect the nearest points of the surfaces of the common secondary tube winding 5 in the plane
• Nadtrubnye 9 electric jumpers are made in the form of, for example, metal arcs, half-rings or staples, and the annular 10, in the form of, for example, metal spheres or having the form of cylinders, solid or hollow.
• Tubular 10 electric jumpers in the form of metal spheres are designed for point
• the winding 5 is electrically divided into sections, which are independent short-circuited electromagnetic circuits, which cover the posts of 3 type-setting metal cores 2 and which create magnetic induction. Different electrical conductivities and different diameters on separate sections of the common secondary tubular
• 185 windings 5 are required to control and adjust the generation of the required amount of thermal energy intended to heat water and turn it into steam. Independent short-circuited electromagnetic circuits can dramatically increase the amount of thermal energy produced compared to the prototype.
• the internal cavity of the secondary tubular winding 5 from the inlet 6 to the outlet 7 nozzles will be the actual vaporization chamber.
• each circuit is induced by a magnetic field of the same direction. Selection of electrical parameters of short-circuited circuits,
• the secondary tubular winding 5 may consist of a package of parallel-connected pipes laid in the manner described above.
• the described electric steam generator works as follows. First, the movement of water is ensured by supplying it under pressure through the inlet pipe 6 into the internal cavity of the common
• three-phase transformers all other things being the same, evenly load the electrical network and have smaller wires sections in comparison with single-phase.
• three-phase transformers have primary windings of smaller sizes.
• the first electric steam generator had a single-phase transformer in its design, and another three-phase, according to the technical entity, displayed in the claims.
• the first electric steam generator prototype had a power of 50 kW and its overall dimensions were in mm. 572 x 490 x

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Electromagnetism (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• General Induction Heating (AREA)
• Engine Equipment That Uses Special Cycles (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
• Control Of Eletrric Generators (AREA)

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• 2017
  • 2017-06-21 RU RU2017121852A patent/RU2667833C1/ru active
• 2018
  • 2018-06-19 WO PCT/RU2018/000406 patent/WO2018236251A1/ru active Application Filing
  • 2018-06-19 UA UAA201912243A patent/UA123300C2/uk unknown
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  • 2018-06-19 CN CN201880041372.5A patent/CN110770505B/zh active Active

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