KR101435150B1 - Heating system using solar heat - Google Patents

Heating system using solar heat Download PDF

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KR101435150B1
KR101435150B1 KR1020120146321A KR20120146321A KR101435150B1 KR 101435150 B1 KR101435150 B1 KR 101435150B1 KR 1020120146321 A KR1020120146321 A KR 1020120146321A KR 20120146321 A KR20120146321 A KR 20120146321A KR 101435150 B1 KR101435150 B1 KR 101435150B1
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heat exchange
exchange coil
water
heat
coil
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KR1020120146321A
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Korean (ko)
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KR20140077472A (en
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이희곤
주재만
김병찬
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이희곤
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)

Abstract

A heat storage tank and a solar heating system having the same according to the present invention are characterized by comprising a main body in which water supplied from the outside is received in an internal space portion and circulating the hot water supplied from the outside in the space portion, A first heat exchange coil which is heated and which has a first inlet and a first outlet exposed to the upper portion of the main body; and a second heat exchange coil which is disposed close to the first heat exchange coil and circulates water, And a second heat exchanger coil disposed in the second heat exchanger coil and having a second inlet port and a second outlet port exposed to the side of the main body, and water circulating in the space portion, And a third heat exchanger coil having a third inlet port and a third outlet port exposed to the side of the main body.

Description

[0001] HEATING SYSTEM USING SOLAR HEAT [0002]

The present invention relates to a solar heating system, and more particularly, to a solar heating system that circulates hot water heated in a heat collector in a vertical direction of a heat storage tank to heat water in the heat storage tank at all positions, (Scales and the like) are not transferred to the circulating tube for heating, and the heat exchange performance is improved, and a heat storage tank having the same, Heating system.

Generally, a boiler is a device that burns fuel such as gas or oil, heats water with the heat of combustion, or heats water by using electricity to make hot water to heat or supply to a bathroom. Boilers, and electric boilers.

In recent years, a solar heating system that can be used both as a boiler and a solar collector in order to increase the heat efficiency in an oil price era is widely used.

The solar heating system includes a heat collecting plate or a collecting tube for absorbing solar heat, a solar heat receiving unit for collecting solar heat from the collecting plate or the collecting tube and heating the water contained therein by a heat exchange method, And a heat storage tank for storing the heat.

However, since the conventional heat storage tank uses the water contained in the heat storage tank as the heating water of the boiler, the foreign matter (scale, etc.) of the heat storage tank is supplied to the heating water circulation pipe in the state of being contained in the heating water, There is a problem that this is fixed.

Particularly, since the water resistance is greatly increased at the bending portion of the heating water circulation pipe, the foreign matter sticking phenomenon occurs so that the life of the heating water circulation pipe is shortened.

In the conventional heat storage tank, the heat exchange coil is mostly perpendicularly connected to the heat transfer pipe of the collector, so that it is difficult to connect the heat exchange coil and the heat transfer pipe. Also, in the region where the heat exchange coil and the heat transfer pipe are connected, There is a problem that the flow of the hot water is not smooth.

Korean Patent Laid-Open No. 10-2011-0038300 (Apr. 14, 2011), which is related to the present invention, discloses a heating and hot water system in which a boiler and a solar heat storage tank are connected to each other.

An object of the present invention is to provide a heat exchanger which comprises a first heat exchange coil for circulating hot water heated in a collector in a vertical direction of a heat storage tank to heat water in the heat storage tank at all positions, And the second heat exchanger coil and the third heat exchanger coil for supplying the hot water and the heating water to the boiler through the side of the heat storage tank are respectively provided so that the temperature of the water present in each layer of the heat storage tank can be uniformly heated, (Scales and the like) is not transmitted to the heat storage tank and a solar heating system having the same.

A heat storage tank capable of ensuring the efficiency of heating by arranging the heat exchange coil in close proximity to the second heat exchange coil and the third heat exchange coil having a relatively small winding width at the central portion of the first heat exchange coil, And to provide a solar heating system having the same.

In addition, it is possible to directly connect the first heat exchanging coil and the first heat exchanging coil of the heat collecting portion in the vertical direction, thereby facilitating the circulation of the hot water due to the low resistance of the tube resistance, And to provide a solar heating system having the same.

The present invention provides a thermal storage tank comprising a main body in which water supplied from the outside is received in an inner space portion and a heating portion which is disposed in the space portion and circulates the hot water supplied from the outside in the space portion to heat the water, A first heat exchange coil which is disposed in proximity to the first heat exchange coil and discharges water supplied from the outside into the space by draining the hot water through the second inlet port and the first discharge port, And a second heat exchange coil which is disposed in proximity to the second heat exchange coil and discharges water supplied from the outside through the space portion and drains the heat through the heating water, And a third heat exchange coil having a third discharge port exposed to the side of the main body.

The first heat exchange coil and the third heat exchange coil are arranged to have a length in the vertical direction in the space portion so that the whole space of the space portion is heated at the same time and the second heat exchange coil and the third heat exchange coil are disposed at the center position of the first heat exchange coil It is preferable that they are arranged so as to have lengths in the vertical direction.

In addition, the first heat exchange coil, the second heat exchange coil, and the third heat exchange coil may have a corrugated tube shape in order to increase the contact area with water contained in the space portion.

The first heat exchange coil may have a shape of a coil having an up-and-down length in the space so that the entire space of the space is heated at the same time, and the second heat exchange coil and the third heat exchange coil are smaller than the first heat exchange coil Diameter coil, and may be arranged to have a vertical length at the center position of the first heat exchange coil.

A solar heating system having a thermal storage tank according to the present invention includes a heat collecting part, a main body in which water supplied from the outside is received in the inner space part, hot water supplied from the heat collecting part in the space part, A first heat exchange coil which circulates in the first heat exchanger coil to heat the water and has a first inlet and a first outlet exposed to an upper portion of the main body; A second heat exchanger coil which circulates in the first heat exchanger coil to drain the hot water and has a second inlet port and a second outlet port exposed to the side of the main body; A third heat exchange coil in which the third inlet and the third outlet are exposed to the side of the main body, and a third heat exchange coil in which the hot water of the second heat exchange coil and the third heat exchange coil A boiler provided with a heating water circulation pipe for circulating the heating water, and an opening / closing part for selectively opening and closing the second heat exchange coil and the third heat exchange coil, And a control unit for controlling the operation of the boiler.

Here, the second heat exchange coil and the third heat exchange coil may further include a temperature sensor for sensing the temperature of the hot water and the heating water, and for applying the sensed temperature to the control unit.

In addition, the control unit may open the opening / closing unit when the hot water and the heating water supply temperature are set and the hot water and the heating water reach the supply temperature.

The first heat exchange coil and the third heat exchange coil are arranged to have a length in the vertical direction in the space portion so that the whole space of the space portion is heated at the same time, And may be arranged to have a vertical length at the center position of the first heat exchange coil.

In addition, the first heat exchange coil, the second heat exchange coil, and the third heat exchange coil may have a corrugated tube shape in order to increase the contact area with water contained in the space portion.

A first heat exchange coil for circulating hot water heated by a collector in a vertical direction of the heat storage tank to heat water in the heat storage tank at all positions; and a second heat exchange coil for circulating the hot water supply and heating water supplied from the outside along the inside of the heat storage tank, The second heat exchanger coil and the third heat exchanger coil for supplying the hot water and the heating water to the boiler through the side of the heat storage tank are respectively provided so that the temperature of the water present in each layer of the heat storage tank can be uniformly heated, (Such as scale) is not transmitted.

The second heat exchanger coil and the third heat exchanger coil having a relatively small winding width are disposed close to the central portion of the first heat exchanger coil, and the heat exchanger coils are arranged in multiple stages to ensure the efficiency of heating.

In addition, since the heat transfer pipe of the heat collecting portion and the first heat exchanging coil can be directly connected in the vertical direction, the water resistance is small and circulation of the hot water is easy, and the ease of operation and the convenience of connection can be secured.

1 is a view for showing a heat storage tank according to the present invention.
2 is a view showing a first heat exchange coil, a second heat exchange coil and a third heat exchange coil separated from each other in a thermal storage tank according to the present invention.
3 is a view showing a solar heating system having a heat storage tank according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

FIG. 1 is a view for showing a heat storage tank according to the present invention, and FIG. 2 is a view for showing a first heat exchange coil, a second heat exchange coil and a third heat exchange coil separately in a heat storage tank according to the present invention.

3 is a view showing a solar heating system having a heat storage tank according to the present invention.

1 and 2, a thermal storage tank according to an embodiment of the present invention includes a main body 100, a first heat exchange coil 200, a second heat exchange coil 300, and a third heat exchange coil 400).

First, the main body 100 has a cylindrical tank shape in which a space portion 110 is formed, and water supplied from the outside is received in the space portion 110.

Here, a heat insulating layer 120 having a predetermined thickness may be provided outside the body 100, and a heat insulating material 121 may be inserted into the heat insulating layer 120.

The main body 100 may have a water inlet (not shown) through which water can be introduced into the internal space 110 and a drain (not shown) to discharge water to the outside.

A separate water supply pipe (not shown) may be connected to the water supply port and the water discharge port, and a water supply unit (not shown) may be further connected to the water supply pipe connected to the water supply port.

The first heat exchange coil 200 is disposed in the space portion 110 of the main body 100 and circulates the hot water supplied from the heat collecting portion 10 to be described later in the space portion 110.

At this time, the water contained in the space 110 is heated to a predetermined temperature by the hot water circulated along the first heat exchange coil 200.

Both ends of the first heat exchange coil 200 are formed with a first inlet 210 through which water is supplied and a first outlet 220 through which water is discharged.

The first inlet 210 and the first outlet 220 extend along the vertical direction and are exposed to the upper portion of the main body 100.

At this time, the first inlet 210 and the first outlet 220 may be connected to a separate heat transfer pipe 12 for connecting to the heat collecting unit 10 to be described later.

That is, the heated water in the heat collecting part 10 to be described later is supplied to the first inlet 210 through the heat transfer pipe 12.

At the same time, the air is discharged through the first outlet 220 and circulated to the heat collecting part 10.

The longitudinal direction of the first heat exchange coil 200 has a coil shape wound along the vertical direction of the space portion 110.

The first heat exchange coil 200 is disposed in the space 110 so that the entire space of the space 110 is simultaneously heated.

Accordingly, the temperature of the water contained in the space 110 of the main body 100 does not greatly vary according to the height, and the water contained in the space 110 can be heated to a uniform temperature.

In addition, the first heat exchange coil 200 may be made of a copper tube or the like to improve heat transfer performance.

In addition, the first heat exchange coil 200 may have a corrugated tube shape to increase the contact area with the water contained in the space portion 110.

The second heat exchange coil 300 circulates the water supplied from the outside in the space 110 of the main body 100 to discharge it in a hot water state.

At both ends of the second heat exchange coil 300, a second inlet 310 for supplying water and a second outlet 320 for discharging water are formed, respectively.

The second heat exchange coil 300 may include a pump (not shown) for circulating water.

The second inlet 310 and the second outlet 320 may extend horizontally along one direction and may be exposed to the side of the main body 100.

The longitudinal direction of the second heat exchange coil 300 has a coil shape that is wound along the vertical direction of the space portion 110.

The second heat exchange coil 300 is disposed in the space 110 so that the entire space of the space 110 is simultaneously heated.

Accordingly, the temperature of the water contained in the space 110 of the main body 100 does not greatly vary according to the height, and the water contained in the space 110 can be heated to a uniform temperature.

In addition, the second heat exchange coil 300 may be made of a copper tube or the like to improve heat transfer performance.

In particular, the second heat exchange coil 300 has a coil shape with a smaller diameter than the first heat exchange coil 200 described above.

At this time, the second heat exchange coil 300 may be arranged to have a length up and down at the center position of the first heat exchange coil 200.

That is, since the second heat exchange coil 300 is positioned at the center of the first heat exchange coil 200, the heat exchange efficiency with the heated water can be increased and the hot water can be rapidly heated to the supply temperature.

In addition, the second heat exchange coil 300 may be manufactured using a copper pipe or the like to improve the heat exchange performance.

In addition, the second heat exchange coil 300 may have a corrugated tube shape to increase the contact area with the water contained in the space portion 110 of the body 100.

The third heat exchanging coil 400 circulates water supplied from the outside in the space 110 of the body 100 and discharges the water by heating water.

A third inlet 410 for supplying water and a third outlet 420 for discharging water are formed at both ends of the third heat exchanging coil 400, respectively.

The third heat exchange coil 400 may be provided with a pump (not shown) for circulating water.

The third inlet port 410 and the third outlet port 420 may extend horizontally along one direction and may be exposed to the side of the main body 100.

At this time, the third inlet 410 and the third outlet 420 may protrude in parallel with the second inlet 310 and the second outlet 320 described above.

The longitudinal direction of the third heat exchange coil 400 has a coil shape wound along the vertical direction of the space portion 110.

The third heat exchange coil 400 is disposed in the space 110 so that the entire space of the space 110 is heated at the same time.

The third heat exchange coil 400 may be disposed in a state of being overlapped with the second heat exchange coil 300. The third heat exchange coil 400 may be disposed at a certain distance from the second heat exchange coil 300 .

Accordingly, the temperature of the water contained in the space 110 of the main body 100 does not greatly vary according to the height, and the water contained in the space 110 can be heated to a uniform temperature.

In addition, the third heat exchange coil 400 may be made of a copper tube or the like to improve heat transfer performance.

Particularly, the third heat exchange coil 400 has a coil shape smaller in diameter than the first heat exchange coil 200 described above.

At this time, the third heat exchange coil 400 may be arranged to have a vertical length at the center position of the first heat exchange coil 200.

The third heat exchange coil 400 may have a larger diameter than the second heat exchange coil 300.

That is, since the third heat exchange coil 400 and the second heat exchange coil 300 are positioned at the center of the first heat exchange coil 200, the heat exchange efficiency with the heated water can be increased, .

In addition, the third heat exchange coil 400 may be manufactured using a copper pipe or the like to improve the heat exchange performance.

The third heat exchange coil 400 may have a corrugated tube shape to increase the contact area with the water contained in the space 110 of the body 100.

Hereinafter, a solar heating system having a thermal storage tank according to another embodiment of the present invention will be described with reference to FIG. 3, and the same components as those described above will not be repeatedly described.

3, a solar heating system having a thermal storage tank according to another embodiment of the present invention includes a heat collecting part 10, a boiler 500, an opening and closing part 600, and a control part 700. [

First, the heat collecting part 10 includes a frame (not shown) installed outdoors, a heat collecting plate 11 installed in the frame, and the like.

In addition, the second heat exchanging coil 300 and the third heat exchanging coil 400 are provided with temperature sensors T for sensing the temperature of the hot water and the heating water and for applying the sensed temperature to the controller, .

The boiler (500) is supplied with the hot water of the second heat exchange coil (300) and the heating water of the third heat exchange coil (400), respectively.

The boiler 500 includes a heating water circulation pipe 520 for circulating the heating water and a connection pipe 510 connected to the second heat exchange coil 300 and the third heat exchange coil 400 .

At this time, the boiler 500 is supplied with the heating water heated to the supply temperature from the third heat exchange coil 400, and heats the supplied heating water to a predetermined temperature.

Here, the boiler 500 may be provided with a circulation pipe 520 to be circulated to the Ondol or the like in the room so that the heating water can be circulated.

The circulation pipe (520) receives the heating water from the third heat exchange coil (400) and circulates the heating water to the ondol in the room.

The boiler 500 is connected to a power source, and a separate operating unit may be provided.

That is, the hot water delivered from the second heat exchange coil 300 can be transferred to the boiler 500, and the hot water delivered to the boiler 500 can be supplied to the user through the operation of the hot water valve 530 Lt; / RTI >

The opening / closing part 600 selectively opens / closes the second heat exchange coil 300 and the third heat exchange coil 400 by an opening / closing signal transmitted from the controller 700.

The control unit 700 controls the opening and closing operations of the opening and closing unit 600 and the ON and OFF operations of the boiler 500.

When the hot water and the heating water reach the supply temperature, the control unit 700 may open the opening / closing unit 600. [0053]

As a result, the present invention provides a heat exchanger comprising: a first heat exchange coil for circulating hot water heated in a heat collector in a vertical direction of a heat storage tank to heat water in the heat storage tank at all positions; And the second heat exchanger coil and the third heat exchanger coil for supplying the hot water and the heating water to the boiler through the side of the heat storage tank are respectively provided so that the temperature of the water present in each layer of the heat storage tank can be uniformly heated, Foreign matter (scale, etc.) is not transmitted to the pipe.

The second heat exchanger coil and the third heat exchanger coil having a relatively small winding width are disposed close to the central portion of the first heat exchanger coil, and the heat exchanger coils are arranged in multiple stages to ensure the efficiency of heating.

In addition, it is possible to directly connect the continuous transfer pipe of the collecting part and the first heat exchanging coil in the vertical direction, so that the circulation of the hot water is easy because of the low resistance of the tube water, and the ease of operation and the convenience of connection can be ensured.

Although the embodiments of the heat storage tank and the solar heating system having the heat storage tank of the present invention have been described above, it is apparent that various modifications can be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the embodiments described, but should be determined by the equivalents of the claims and the claims.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

10: collecting part 11:
12: Heat transfer pipe 100: Body
110: space part 120: insulating layer
121: Insulation material 200: First heat exchange coil
210: first inlet 220: first outlet
300: second heat exchange coil 310: second inlet
320: second outlet 400: third heat exchange coil
410: Third inlet 420: Third outlet
500: boiler 510: connection piping
520: circulation pipe 530: hot water valve
600: opening / closing unit 700:
T: Temperature sensor

Claims (8)

House collection;
A main body in which water supplied from the outside is accommodated in the inner space portion;
A first heat exchange coil disposed in the space and heating the water by circulating hot water supplied from the heat collector in the space to expose a first inlet and a first outlet to an upper portion of the main body;
A second heat exchange coil disposed adjacent to the first heat exchange coil and circulating water supplied from the outside in the space to drain the hot water, and a second inlet port and a second outlet port exposed to the side of the main body;
A third heat exchange coil disposed close to the second heat exchange coil and circulating water supplied from the outside in the space to drain the heating water, and a third inlet and a third outlet exposed to the side of the main body;
A boiler provided with a heating water circulation pipe for supplying the heating water of the second heat exchange coil and the heating water of the third heat exchange coil respectively and circulating the heating water;
An opening and closing unit for selectively opening and closing the second heat exchange coil and the third heat exchange coil; And
And a control unit for controlling the operation of the opening and closing unit and the boiler.
The method according to claim 1,
The second heat exchanger coil and the third heat exchanger coil,
A temperature sensor for sensing the temperature of the hot water and the heating water and for applying the sensed temperature to the control unit,
Wherein,
Wherein the supply of the hot water and the heating water is preset and when the hot water and the heating water reach the supply temperature, the opening and closing unit is opened.
The method according to claim 1,
Wherein the first heat exchange coil comprises:
The space section being arranged so as to have a vertical length in the space section so that the entire section of the space section is simultaneously heated,
And the second heat exchange coil and the third heat exchange coil,
Wherein the first heat exchange coil has a coil shape with a smaller diameter than the first heat exchange coil.
The method according to claim 1,
The first heat exchange coil, the second heat exchange coil, and the third heat exchange coil,
Wherein the space has a shape of a wrinkle tube for increasing the contact area with water contained in the space. delete delete delete delete
KR1020120146321A 2012-12-14 2012-12-14 Heating system using solar heat KR101435150B1 (en)

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KR1020120146321A KR101435150B1 (en) 2012-12-14 2012-12-14 Heating system using solar heat

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Application Number Priority Date Filing Date Title
KR1020120146321A KR101435150B1 (en) 2012-12-14 2012-12-14 Heating system using solar heat

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KR101435150B1 true KR101435150B1 (en) 2014-08-29

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000018209A (en) * 2000-01-20 2000-04-06 강철규 Solar hot water boiler
JP2004214028A (en) * 2002-12-27 2004-07-29 Sanyo Electric Co Ltd Fuel cell system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000018209A (en) * 2000-01-20 2000-04-06 강철규 Solar hot water boiler
JP2004214028A (en) * 2002-12-27 2004-07-29 Sanyo Electric Co Ltd Fuel cell system

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