KR20170072083A - Eddy Current Heater for Natural gas - Google Patents

Eddy Current Heater for Natural gas Download PDF

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Publication number
KR20170072083A
KR20170072083A KR1020150180498A KR20150180498A KR20170072083A KR 20170072083 A KR20170072083 A KR 20170072083A KR 1020150180498 A KR1020150180498 A KR 1020150180498A KR 20150180498 A KR20150180498 A KR 20150180498A KR 20170072083 A KR20170072083 A KR 20170072083A
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South Korea
Prior art keywords
heat exchange
natural gas
gas
eddy current
turbine
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KR1020150180498A
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Korean (ko)
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KR101776435B1 (en
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김수만
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한국가스공사
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    • 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
    • H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • H05B6/102—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces the metal pieces being rotated while induction heated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • 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
    • H05B6/36—Coil arrangements
    • H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • General Induction Heating (AREA)

Abstract

The present invention relates to an eddy current heater device for natural gas, and more particularly, to an eddy current heater device for a natural gas, which is rotatably installed in a gas pipe for supplying natural gas from each gas supply station of a natural gas, The eddy current generating rotor with two magnets having different poles receiving the rotational force of the turbine by rotating the turbine is heated by the eddy current generated by the rotation of the rotating body so that the natural gas can be safely heated The cost of heating natural gas can be minimized to reduce the cost of supplying natural gas, and environmental pollution due to energy consumed in natural gas heating can be prevented.

Description

[0001] Eddy Current Heater for Natural Gas [

The present invention relates to an eddy current heater device for a natural gas, and more particularly, to an eddy current heater device for a natural gas capable of heating a natural gas by rotating a permanent magnet through a turbine.

In general, natural gas is supplied through pipelines piped to the underground, which is once extended from the three natural gas production bases (Incheon, Tongyeong and Pyeongtaek) to the fence boundary of city gas companies or power stations in each region.

 The natural gas produced at the natural gas production base is supplied to the regional supply station through the above-mentioned pipe network, and then supplied to the city gas companies or power plants of the respective regions. Through the city gas companies, the natural gas is supplied to each home, office, It is supplied to the same place of use.

 As described above, natural gas is normally supplied at a reduced pressure of 65 to 75 kg / cm 2 when supplied from a gas supply station to each use place. At this time, when the hydrodynamic pressure is reduced, natural gas The amount of heat is greatly reduced.

 Natural gas is heated to natural gas calorie control device before it is supplied to each use place in the gas supply station, that is, before it is depressurized, and the calorie is supplemented by the natural gas calorie management device. The natural gas calorie management apparatus uses a gas heater using natural gas as fuel.

The gas heater is provided with a heat exchange channel through which natural gas passes through a housing filled with a heating medium, and heats the natural gas through heat exchange between the heating medium and the natural gas passing through the heat exchange channel.

The gas heater continuously heats the natural gas by heating the heating medium in the housing with the burner, circulating the heating medium, heating it in circulation, and then introducing it into the housing.

The gas heater heats natural gas by an indirect heating method through a heating medium, so that the heat efficiency is low, and thus a great amount of energy is consumed for heating the heating medium.

Therefore, there is a problem of increasing the cost of supplying natural gas and causing environmental pollution in generating energy consumed for heating the heating medium.

Domestic patent registration No. 1085858 'Gas heater combustion device' (registered on November 16, 2011)

An object of the present invention is to provide an eddy current heater device for a natural gas capable of heating a natural gas with an eddy current through a permanent magnet by rotating a turbine using a pressure difference of the natural gas.

According to an aspect of the present invention, there is provided an eddy current heater for a natural gas, comprising: a gas supply control unit of a natural gas, rotatably installed in a gas pipe for supplying natural gas to each use place, An eddy current generating rotating body having two or more magnet bodies connected to the rotating shaft of the turbine and rotating with each other and having different poles; And a heat exchange casing in which the eddy current generating rotating body is disposed and a plurality of heat exchange protrusions are formed on an outer circumferential surface.

According to another aspect of the present invention, there is provided an eddy current heater for a natural gas, comprising: a gas supply control unit for a natural gas, rotatably installed in a gas pipe for supplying natural gas to each use place, A turbine having a first rotating shaft and a second rotating shaft protruding from the turbine, a first connecting shaft disposed on a front side of the turbine and connected to the first rotating shaft, and two or more magnet bodies having different poles A first heat exchanging casing in which the first eddy current generating rotating body is disposed, a first eddy current generating rotating body is disposed in the rotating body, a plurality of heat exchanging protrusions are provided on an outer circumferential surface of the rotating body, And a second connecting shaft connected to the second rotating shaft and having at least two different magnets having different polarities, And a second heat exchanger casing disposed on the front side of the turbine in the gas pipe, wherein the second eddy current generating rotating body is disposed in the inner surface of the gas turbine body, the plurality of heat exchange protrusions are disposed on the outer circumferential surface, do.

According to another aspect of the present invention, there is provided an eddy-current heater device for a natural gas, comprising: a heat-exchange channel through which a natural gas passes, inside a housing filled with a heat- And a heating medium circulation line connected to the housing of the gas heater main body to circulate the heating medium, a gas supply station for the eddy current natural gas of the housing natural gas heater, A turbine rotating by a natural gas moving in a gas pipe from a high pressure side to a low pressure side in a gas piping for supplying steam, an eddy current is generated by the rotation of the magnet body by the turbine, To circulate the heat medium circulation line through the heat medium circulation line It characterized in that it comprises an eddy current heating of heating.

The present invention has the effect of safely heating natural gas without additional energy source by heating the natural gas with an eddy current through the permanent magnet by rotating the turbine using the difference in pressure of the natural gas.

The present invention minimizes the cost of heating natural gas, thereby reducing the cost of supplying natural gas and preventing environmental pollution caused by energy consumed in natural gas heating.

1 is a schematic view showing an eddy current heater device for a natural gas according to an embodiment of the present invention.
2 is a sectional view taken along the line AA 'of FIG. 1;
3 to 5 are schematic views showing different embodiments of an eddy current heater device for natural gas according to the present invention;

BRIEF DESCRIPTION OF THE DRAWINGS The invention will be described in detail with reference to the accompanying drawings. Hereinafter, a repeated description, a known function that may obscure the gist of the present invention, and a detailed description of the configuration will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

FIG. 1 is a schematic view showing an eddy current heater device for a natural gas according to the present invention, and FIG. 2 is a cross-sectional view taken along line A-A 'of FIG.

1 and 2, an eddy current heater for a natural gas according to an embodiment of the present invention is installed in a gas piping 1 for supplying natural gas from a gas supply station of a natural gas to each use place, And a turbine (4).

The turbine 4 is rotated by the natural gas moving from the high pressure side to the low pressure side in the gas piping 1, that is, by the pressure difference of the natural gas in the gas piping 1.

The turbine 4 is rotated by a natural gas which is moved from a high pressure side to a low pressure side due to a difference in pressure of natural gas, that is, a pressure difference of the natural gas. The turbine 4 is rotated by the bearing disposed between the gas pipes 1 1 as shown in Fig.

The turbine 4 may be rotatably installed through a bearing mounted on the inner circumferential surface of the gas pipe 1 and may be rotatably installed inside the heat exchange casing 30 through bearings ) May be rotatably supported and installed.

It will be appreciated that the turbine 4 may be modified in various known ways that it can be installed rotatably within the tube.

An eddy current generating rotary body 20 having two magnet bodies 20a having at least mutually different poles is mounted on the rotary shaft 11 of the turbine 4. [

It is noted that the magnet body 20a is a permanent magnet, and may be an electromagnet or a magnet having the N-pole or S-pole.

The eddy current generating rotating body 20 includes at least one of an N pole permanent magnet and an S pole permanent magnet and rotates to generate an eddy current.

The eddy current generating rotating body 20 preferably includes a plurality of N-pole permanent magnets and a plurality of S-pole permanent magnets alternately in the circumferential direction to increase the amount of eddy currents generated.

In the gas pipe 1, a heat exchange casing 30 in which the eddy current generating rotating body 20 is disposed is installed.

A plurality of heat exchange protrusions 30a are provided on the outer circumferential surface of the heat exchange casing 30 to increase the contact area with the natural gas to improve the heat exchange efficiency.

It is noted that the heat exchange casing 30 may be formed in a cylindrical shape having both end portions in the longitudinal direction opened to smoothly move the natural gas, and the end portion may be formed in a clogged shape.

The heat exchange protrusions 30a are arranged radially from the center of the heat exchange casing 30 and are fixed to the outer circumferential surface of the heat exchange casing 30 in the longitudinal direction to form a gas flow passage through which natural gas passes As an example.

The heat exchange casing 30 is mounted and fixed in the gas pipe 1 while the heat exchange protrusion 30a is in contact with the inner circumferential surface of the gas pipe 1. [

When the turbine 4 rotates, the eddy current generating rotating body 20 mounted on the rotating shaft 11 of the turbine 4 rotates to generate an eddy current by the permanent magnets. The generated eddy currents and the eddy currents generated by the heat exchange casing 30 And the natural gas is heated in the gas piping 1 by the generated heat.

The heat exchange casing 30 is heated by rotation of the eddy current generating rotating body 20 to heat the natural gas through heat exchange with the natural gas in the gas pipe 1. The heat exchange casing (30) is cylindrical in shape.

The turbine 4 is attached to the high-pressure side of the gas piping 1 on the front end side of the heat exchange casing 30, that is, on the heat exchange casing 30, and is rotated by high-pressure gas. 1, the natural gas is reduced in pressure after rotating the turbine 4, and then flows into the heat exchange casing 30 or moves to the low pressure side along the gas flow path formed on the outer circumferential surface of the heat exchange casing 30.

That is, the turbine 4 is located at the front end of the heat exchange casing 30 to lower the pressure of the natural gas and then to heat by the eddy current to prevent the temperature of the bearing from rising.

3 is a schematic view showing another embodiment of an eddy current heater device for natural gas according to the present invention in which the turbine 4 is disposed on the rear end side of the heat exchange casing 30, Pressure side of the gas pipe 1 as shown in Fig.

The heat exchange casing 30 includes a cylindrical body portion 30b and a conical body portion 30c protruding toward the high pressure side of the gas pipe 1 toward the tip end side of the cylindrical body portion 30b So that some of the high-pressure natural gas can be separated and heated to the outside of the cylindrical body portion 30b through the cone-shaped body portion 30c.

The eddy current heater for natural gas according to the present invention is characterized in that one end is connected to the gas pipe 1 at the front end side of the heat exchange casing 30 and the other end is connected to the inside of the heat exchange casing 30, 41) for supplying natural gas to the interior of the heat exchange casing (30); And

One end of which is connected to the inside of the heat exchange casing 30 and the other end of which is connected to the gas piping 1 at a position beyond the turbine 4 at the rear end side of the heat exchange casing 30, And a second depressurizing line unit 50 for supplying a part of the natural gas into the gas piping 1 passing through the turbine 4.

The high-pressure side gas separated by the heat exchange casing 30 is heated in the gas piping 1 and the low-temperature low-pressure gas decompressed through the second decompression line unit 50 is heated secondarily to safely Double heating.

When the turbine (4) is mounted on the rear end side of the heat exchange casing (30), the bearing of the turbine (4) may be heated to damage the bearing.

That is, when the turbine 4 is mounted on the rear end side of the heat exchange casing 30, the first depressurizing line portion 40 and the second depressurizing line portion 50 are arranged in the gas piping 1 By partially depressurizing the natural gas and flowing it into the heat exchange casing 30, the bearing of the turbine 4 is prevented from being heated and damaged, the durability of the bearing is improved, and the turbine 4 is stably operated for a long time .

Further, the natural gas is decompressed from a high pressure to a low pressure by the second decompression line unit 50, so that a cold gas is generated and the bearing is cooled.

The turbine 4 is mounted on the rear end side of the heat exchange casing 30 and the first depressurizing line portion 40 and the second depressurizing line portion 50 are connected to the gas piping 1 A part of the natural gas is depressurized and the axial thrust of the turbine 4 can be prevented.

Although not shown, the turbine 10, the eddy current generating rotating body 20, and the heat exchange casing 30 are disposed in the gas piping 1 so as to be spaced apart from each other, It is possible to further improve the heating efficiency of the natural gas by heating the generated rotating body 20 and the heat exchange casing 30.

4 is a schematic view showing still another embodiment of the eddy-current heater device for natural gas according to the present invention.

4, the eddy-current heater device for natural gas according to the present invention includes a gas pipe 1 for supplying natural gas from a gas supply station of a natural gas to each use place, A turbine 4 having a first rotating shaft 11a and a second rotating shaft 11b protruded from the turbine 4 and a first connecting shaft disposed on the front side of the turbine 4 and connected to the first rotating shaft 11a The first eddy-current generating rotary body (21) is provided with two magnet bodies (20a) having at least different poles. The first eddy-current generating rotary body (21) A first heat exchange casing 31 disposed in the gas pipe 1 at a front side of the turbine 4 and a second heat exchange casing 31 disposed at a rear side of the turbine 4, 11b, and at least two magnet bodies 2 having mutually different poles A second eddy current generating rotary body 22 provided with the second eddy current generating rotary body 22 and a plurality of heat exchange protruding parts 30a disposed on the outer circumferential surface thereof, And a second heat exchange casing (32) disposed on the front side of the turbine (4) within the turbine (4).

The first eddy current generating rotating body 21 and the second eddy current generating rotating body 22 are rotated by the rotation of the turbine 4 to generate an eddy current by the permanent magnet, The second heat exchange casing 32 generates heat by the resistance between the first eddy current generating rotary body 21 and the eddy current generated in the second eddy current generating rotary body 22, So that the natural gas is heated in the combustion chamber 1.

The first heat exchanger casing 31 includes a first cylindrical body 31a and a second cylindrical body 31b protruding toward the high pressure side of the gas pipe 1 at a tip end side of the first cylindrical body 31a. 1 cone-shaped body 31b and allows part of high-pressure natural gas to be separated and heated to the outside of the cylindrical body 31a through the cone-shaped body 31b.

The second heat exchange casing (32) is cylindrical in shape.

The eddy current heater device for natural gas according to the present invention heats natural gas in the first heat exchange casing (31) and the second heat exchange casing (32) disposed on the front and rear sides of the turbine (4) To heat the natural gas.

The eddy-current heater device for a natural gas according to the present invention may further include a first connecting shaft disposed between the first rotating shaft 11a and the first connecting shaft to selectively connect and disconnect the first connecting shaft 11a and the first connecting shaft A first clutch portion 60 capable of selectively connecting and disconnecting the second rotating shaft 11b and the second connecting shaft disposed between the second rotating shaft 11b and the second connecting shaft, And a clutch control unit 80 that can control the operation of the first clutch unit 60 and the second clutch unit 70. [

The eddy-current heater device for a natural gas according to the present invention may further include a temperature sensor 90 sensing a temperature in the gas pipe 1 and connected to the clutch control unit 80.

The first clutch portion 60 can selectively connect and disconnect the first rotation shaft 11a and the first connection shaft to control the generation of eddy current by the first eddy current generating rotary body 21, The second clutch portion 70 selectively connects and disconnects the second rotary shaft 11b and the second connection shaft to control the generation of eddy current by the second eddy current generating rotary body 22. [

The clutch control unit 80 controls the operation of the first clutch unit 60 and the second clutch unit 70 according to the temperature of the natural gas sensed by the temperature sensor 90 to generate the first eddy current The rotating body 21 and the second eddy current generating rotating body 22 are selectively rotated.

The eddy-current heater device for natural gas according to the present invention is characterized in that the first eddy current generating rotary body (21) and the second eddy current generating rotary body (22) are selectively rotated according to the temperature of the natural gas, And the bearing of the turbine 10 is cooled to prevent damage due to the heating of the bearing and the generation of axial thrust in the turbine 4 can be prevented.

Although not shown, the turbine 4, the first eddy current generating rotary body 21, the first heat exchange casing 31, the second eddy current generating rotary body 22, and the second heat exchange casing 32 A plurality of the gas pipes 1 may be spaced apart from each other and the natural gas may be heated in multiple stages by a plurality of eddy current generating rotors and heat exchange casings while being depressurized in multiple stages to further improve the heating efficiency of the natural gas.

5, the eddy-current heater device for natural gas according to the present invention includes a heat-exchange channel through which natural gas is passed, through heat exchange between the heat medium and natural gas passing through the heat- (2), a heating medium circulation line (3) connected to the housing of the gas heater main body (2) to circulate the heating medium, and a gas supply control station of the eddy current natural gas of the housing natural gas heater A turbine 4 rotatably installed in a gas pipeline 1 for supplying natural gas as a use place and rotated by natural gas moving from a high pressure side to a low pressure side in a gas piping 1, And the heating medium circulating through the heating medium circulation line 3 is heated by heating the heating medium circulating through the heating medium circulation line 3, thereby generating eddy currents by the rotation of the magnet body 20a caused by the eddy current, And an eddy current heating unit 4 which is connected to the induction heating unit.

The eddy current heating unit 4 includes an eddy current generating rotating body 20 connected to the rotating shaft 11 of the turbine 4 and having two magnet bodies 20a having at least different polarities. And a heat exchange casing 30 in which the eddy current generating rotating body 20 is disposed and a plurality of heat exchange protruding portions 30a are provided on the outer circumferential surface.

The embodiments of the eddy current generating rotating body 20 and the heat exchange casing 30 are not described and described in detail.

The present invention can safely heat the natural gas even without a separate energy source by heating the natural gas with the eddy current through the permanent magnet by rotating the turbine 4 using the difference in pressure of the natural gas.

The present invention minimizes the cost of heating natural gas, thereby reducing the cost of supplying natural gas and preventing environmental pollution caused by energy consumed in natural gas heating.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the above teachings. will be.

1: gas piping 2: gas heater body
3: heat medium circulation line 4: eddy current heating unit
10: turbine 11: rotary shaft
11a: first rotating shaft 11b: second rotating shaft
20: eddy current generation rotating body 20a: magnet body
21: first eddy current generating rotating body 22: second eddy current generating rotating body
30: Heat exchange casing 30a: Heat exchange projection
31: first heat exchange casing 32: second heat exchange casing
40: first decompression line unit 41: pressure reducing valve
50: second pressure reduction line section 60: first clutch section
70: second clutch portion 80: clutch control portion

Claims (16)

A turbine rotatably installed in a gas piping for supplying natural gas from a gas supply station of a natural gas to each use place and rotating by natural gas moving from a high pressure side to a low pressure side in a gas piping;
An eddy current generating rotating body connected to the rotating shaft of the turbine and having two or more magnet bodies rotating and having different polarities; And
And a heat exchange casing which is installed in the gas pipe and in which the eddy current generating rotating body is disposed and a plurality of heat exchange protrusions are formed on an outer circumferential surface of the heat exchange casing. The method according to claim 1,
Wherein the heat exchange protrusions are radially disposed at the center of the heat exchange casing. The method according to claim 1,
Wherein the magnet body includes a plurality of N-pole permanent magnets and a plurality of S-pole permanent magnets alternately disposed in the circumferential direction. The method according to claim 1,
Wherein the turbine is mounted on the high-pressure side of the gas piping on the basis of the heat exchange casing and is rotated by a high-pressure gas. The method according to claim 1,
Wherein the turbine is mounted on the low pressure side of the gas piping with respect to the heat exchange casing,
A first decompression line unit connected to the gas piping at one end of the heat exchange casing and connected to the inside of the heat exchange casing at the other end thereof, and a decompression valve installed to decompress and supply natural gas into the heat exchange casing; And
One end is connected to the inside of the heat exchange casing and the other end is connected to the gas piping at a position past the turbine at the rear end side of the heat exchange casing to supply a part of the natural gas in the heat exchange casing into the gas piping passing through the turbine Further comprising a second depressurizing line unit for depressurizing the second gas. The method of claim 5,
The heat exchange casing includes a cylindrical body portion and a cone-shaped body portion that protrudes toward the high-pressure side of the gas pipe at a tip end side of the cylindrical body portion, And the heater is separated and heated to the outside of the part. A turbine rotatably installed in a gas pipe for supplying natural gas from a gas supply station of a natural gas to each use place and having a first rotary shaft and a second rotary shaft protruded on the front side and the rear side, respectively;
A first eddy current generating rotating body disposed on a front side of the turbine and having a first connecting shaft connected to the first rotating shaft and having two or more magnet bodies having different polarities;
A first heat exchange casing disposed in the gas piping on a front side of the turbine and having a plurality of heat exchange protrusions on an outer circumference thereof,
A second eddy current generating rotating body disposed on the rear side of the turbine and having a second connecting shaft connected to the second rotating shaft and having two or more magnet bodies having different polarities; And
And a second heat exchange casing having a plurality of heat exchange protrusions formed on an outer circumferential surface thereof and disposed on a front side of the turbine in the gas pipe, Eddy current heater device. The method of claim 7,
A first clutch portion disposed between the first rotation shaft and the first connection shaft and capable of selectively connecting and separating the first rotation shaft and the first connection shaft, and a second clutch portion disposed between the second rotation shaft and the second connection shaft A second clutch portion capable of selectively connecting and disconnecting the second rotation shaft and the second connection shaft, and a clutch control portion capable of controlling the operation of the first clutch portion and the second clutch portion, An eddy current heater device for natural gas. The method of claim 8,
Further comprising a temperature sensing sensor connected to the clutch control unit for sensing a temperature in the gas pipe. The method of claim 7,
Wherein the heat exchange protrusions are radially disposed at the center of the first heat exchange casing and the second heat exchange casing. The method of claim 7,
Wherein the magnet body includes a plurality of N-pole permanent magnets and a plurality of S-pole permanent magnets alternately disposed in the circumferential direction. The method of claim 7,
The first heat exchanger casing includes a first cylindrical body and a first cone-shaped body protruding toward the high-pressure side of the gas pipe at a distal end of the first cylindrical body, Wherein a part of the natural gas is separated and heated to the outside of the cylindrical body part. A heat exchange channel through which natural gas passes is provided inside the housing filled with the heating medium, and heat exchange is performed between the heating medium and the natural gas passing through the heat exchange channel.
A heating medium circulation line connected to the housing of the gas heater main body and circulating the heating medium;
And a turbine rotating by a natural gas moving in the gas pipe from the high pressure side to the low pressure side in a gas piping for supplying natural gas from the gas supply control station of the eddy current natural gas of the housing natural gas heater to each use place, ;
And an eddy current heating unit for generating an eddy current by rotation of the magnet body by the turbine and generating heat by resistance caused by the eddy current to heat the heating medium circulating through the heating medium circulation line, Device. 14. The method of claim 13,
Wherein the eddy current heating unit comprises: an eddy current generating rotating body connected to a rotating shaft of the turbine and having two magnet bodies having at least different polarities; And
And a heat exchange casing in which the eddy current generating rotating body is disposed and the heat exchange casing includes a plurality of heat exchange protrusions on an outer circumferential surface thereof. 15. The method of claim 14,
Wherein the heat exchange protrusions are radially disposed at the center of the heat exchange casing. 15. The method of claim 14,
Wherein the magnet body includes a plurality of N-pole permanent magnets and a plurality of S-pole permanent magnets alternately disposed in the circumferential direction.
KR1020150180498A 2015-12-16 2015-12-16 Eddy Current Heater for Natural gas KR101776435B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200042769A (en) 2018-10-16 2020-04-24 한국가스공사 Eddy current heater device

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JP5040084B2 (en) * 2005-08-29 2012-10-03 株式会社デンソー PRESSURE CONTROL DEVICE AND FUEL CELL SYSTEM INCLUDING PRESSURE CONTROL DEVICE
JP2015152190A (en) * 2014-02-12 2015-08-24 トヨタ自動車株式会社 gas turbine heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200042769A (en) 2018-10-16 2020-04-24 한국가스공사 Eddy current heater device

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