KR20140025201A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- KR20140025201A KR20140025201A KR1020120091644A KR20120091644A KR20140025201A KR 20140025201 A KR20140025201 A KR 20140025201A KR 1020120091644 A KR1020120091644 A KR 1020120091644A KR 20120091644 A KR20120091644 A KR 20120091644A KR 20140025201 A KR20140025201 A KR 20140025201A
- Authority
- KR
- South Korea
- Prior art keywords
- heat exchanger
- fluid
- circulation pipe
- case
- present
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
- F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
The present invention relates to a heat exchanger, and more particularly, the outside fluid while the fluid supplied to the inside and the inside of the building, the air conditioner air supply and exhaust, or installed inside the hot air heater such as boiler or air conditioner to move smoothly And a heat exchanger for performing heat exchange with.
A heat exchanger is a device that allows heat exchange between fluids having different temperatures, and each fluid having different temperatures flows separately from each other, and performs heat exchange by heat conduction or radiation effects between the fluids.
Such heat exchangers are widely used in various types of hot air heaters such as boilers and air conditioners.
The double tube heat exchanger in which the inner circulation tube is integrally combined inside the outer circulation tube having different diameter among the heat exchangers to separate the flow of the fluid into the outer circulation tube and the inner circulation tube, and to increase the heat exchange area. It is manufactured by integrating the outer circulation tube and the inner circulation tube in a coil shape.
Accordingly, since the double tube heat exchanger according to the prior art is twisted in a coil shape, the volume thereof increases, thereby increasing the volume of various hot air heaters such as a boiler or an air conditioner on which the heat exchanger is mounted.
In particular, as the volume of the heat exchanger increases, the volume of the domestic boiler or air conditioner installed indoors occupies a lot of space, and there is a problem in that installation and movement are inconvenient.
In order to solve this problem, the present applicant has a heat exchanger installed inside the outer circulation pipe in the Republic of Korea Patent Registration No. 10-0854098 (August 26, 2008, hereinafter referred to as 'Patent Document 1') It has been filed and registered.
However, the heat exchanger according to Patent Document 1 has a problem in that manufacturing work is difficult and workability is deteriorated, as the work to install the inner circulation pipe inside the outer circulation pipe is performed.
In addition, since the heat exchanger according to Patent Document 1 is formed in a spiral shape, there is a problem of being deformed or damaged by an impact or vibration applied from the outside during movement and installation work.
The present invention is to solve the above problems, an object of the present invention to provide a heat exchanger that can smoothly move the fluid circulating therein to improve the heat exchange efficiency.
Another object of the present invention is to provide a heat exchanger capable of improving the heat exchange efficiency by maximizing the surface area of the internal circulation pipe corresponding to the external circulation path.
Still another object of the present invention is to provide a heat exchanger capable of easily performing an installation operation of an internal circulation pipe inside an external circulation passage and preventing damage and deformation due to external shock or vibration.
According to a feature of the present invention for achieving the object as described above, the present invention is provided inside the case and the outer circulation passage to form an external circulation passage through which the first fluid circulates to perform an external circulation tube function; And an inner circulation tube in which a flow path through which the second fluid performing heat exchange with the first fluid circulates is formed, and the inside of the case is formed to be bent in a spiral of spiral shape, the diameter of which gradually increases from the center of the case. The flow path forming plate is formed to form the external circulation flow path.
At each end of the outer circulation passage, an inlet hole for introducing the first fluid and a discharge hole for discharging the first fluid to the outside are formed, and the second fluid is supplied into the inner circulation tube at both ends of the inner circulation pipe. And a discharge hole through which the supply hole and the second fluid are discharged to the outside of the heat exchanger are formed.
The inner circulation pipe is formed with an outer diameter smaller than the minimum inner diameter of the outer circulation flow path and is inserted into and fixed to the center of the outer circulation flow path so that the center is located on the same plane as the outer circulation flow path.
The outer peripheral surface of the inner circulation tube is characterized in that the projection is formed to increase the contact area with the first fluid, and to slow down the circulation speed of the first fluid.
The heat exchanger is connected to the outer circulation passage and the inner circulation pipe provided in each heat exchanger, respectively, a plurality of them are stacked up and down, or arranged in parallel on the same plane is characterized in that installed in one hot air.
As described above, the present invention is to install a spiral-shaped flow path forming plate inside the hexahedral case, and to insert and fix the inner circulation pipe inside the outer circulation flow path formed by the flow path forming plate to manufacture a simple double-tube heat exchanger. Can be.
Accordingly, the present invention smoothly moves the first fluid circulating along the outer circulation passage and the second fluid circulating along the inner circulation tube, thereby performing heat exchange, thereby improving heat exchange efficiency.
In addition, the present invention by installing a flow path forming plate and the inner circulation tube formed in a spiral shape inside the case having a constant volume, it is possible to reduce the total volume of the heat exchanger to minimize the area occupied by the heat exchanger inside the hot air.
In addition, the present invention can be easily manufactured as compared with the conventional method of installing the inner circulation tube in the outer circulation tube by installing the flow path forming plate and the inner circulation tube inside the case can improve the workability.
In addition, the present invention is installed so that the center of the inner circulation pipe is located on the same plane as the center of the outer circulation flow path can be made thinner by minimizing the thickness of the heat exchanger to further reduce the space occupied by the heat in the room efficiency of space utilization Can be increased.
In addition, the present invention can improve the heat exchange efficiency while minimizing the total volume of the heat exchanger to connect a plurality of heat exchangers up and down and / or in parallel to easily produce a heat exchanger of a larger size and capacity, it is possible to maintain efficient heat exchange performance Has the effect.
1 is a perspective view of a heat exchanger according to a first embodiment of the present invention;
2 is a plan sectional view of the heat exchanger shown in FIG. 1;
3 is a side cross-sectional view of the heat exchanger shown in FIG. 1;
4 is a plan sectional view of a heat exchanger according to a second embodiment of the present invention;
5 and 6 are side views of a heat exchanger according to a third embodiment of the present invention;
7 is a plan view of a heat exchanger according to a fourth embodiment of the present invention.
Hereinafter, a heat exchanger according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
1 is a perspective view of a heat exchanger according to a first embodiment of the present invention, FIG. 2 is a plan sectional view of the heat exchanger shown in FIG. 1, and FIG. 3 is a side sectional view of the heat exchanger shown in FIG. 1.
As illustrated in FIGS. 1 to 3, the heat exchanger according to the first embodiment of the present invention forms an
The
That is, the flow
Accordingly, the flow
Here, both ends of the
For example, as shown in FIGS. 1 and 3, an
On the other hand, as shown in Figure 2, the discharge hole 14 'is formed in the upper portion of the center of the
The
To this end, the
Here, the
At both ends of the
For example, as illustrated in FIGS. 1 and 3, a
Of course, as shown in FIG. 2, a
Here, the
And the
As described above, the present invention can install a spiral flow path forming plate inside the hexahedron case, and insert and fix the inner circulation pipe inside the outer circulation flow path formed by the flow path forming plate to manufacture a double pipe heat exchanger having a simple structure. .
Accordingly, the present invention smoothly moves the first fluid circulating along the outer circulation passage and the second fluid circulating along the inner circulation tube, thereby performing heat exchange, thereby improving heat exchange efficiency.
In addition, the present invention by installing a flow path forming plate and the inner circulation tube formed in a spiral shape inside the case having a constant volume, it is possible to reduce the total volume of the heat exchanger to minimize the area occupied by the heat exchanger inside the hot air.
In addition, the present invention can be easily manufactured as compared with the conventional method of installing the inner circulation tube in the outer circulation tube by installing the flow path forming plate and the inner circulation tube inside the case can improve the workability.
In addition, the present invention is installed so that the center of the inner circulation pipe is located on the same plane as the center of the outer circulation flow path can be made thinner by minimizing the thickness of the heat exchanger to further reduce the space occupied by the heat in the room efficiency of space utilization Can be increased.
In addition, the present invention can easily produce a heat exchanger of a larger size and capacity by improving the heat exchange efficiency while minimizing the total volume of the heat exchanger, it is possible to maintain an efficient heat exchange performance.
On the other hand, the present invention, contrary to the above, according to the use of the heat exchanger circulates the first fluid, such as the heat medium or the refrigerant in the inner circulation pipe, and circulates the second fluid heat exchanged by the first fluid through the external circulation passage It can be changed to make.
In addition, the present invention may be modified to form the flow path forming plate and the inner circulation tube in a polygonal shape such as an octagonal shape or a hexagonal shape as well as a spiral shape.
In addition, the present invention by arranging the inlet and outlet holes of the outer circulation flow path and the supply and discharge holes of the inner circulation pipe in the vertical direction, respectively, it is possible to prevent the various pipes connected to the heat exchanger to be entangled or interfere with each other. In addition, the piping connection of the air conditioner can be made more easily, and the arrangement of the piping can be made simple.
4 is a plan sectional view of a heat exchanger according to a second embodiment of the present invention.
The heat exchanger according to the second embodiment of the present invention is the same as the configuration of the heat exchanger according to the first embodiment, except that the first and
The
The
Accordingly, the present invention can increase the heat exchange efficiency between the fluid using the outer peripheral surface and the first and second screw members provided in the inner circulation tube.
On the other hand, the present invention may be modified to form a plurality of the
In addition, the present invention may be modified to include only one of the first and
5 and 6 are side cross-sectional views of a heat exchanger according to a third embodiment of the present invention.
In the third embodiment of the present invention, in order to increase the capacity of the heat exchanger, a plurality of heat exchangers are stacked up and down.
For example, as shown in Figure 5, the
On the other hand, as shown in Figure 6, each
Similarly, each
Accordingly, the present invention by stacking a plurality of heat exchangers up and down to connect the external circulation flow path and the internal circulation pipe to each other or to an external pipe, it is possible to perform a plurality of heat exchanger uniform heat exchange operation efficiency of the heat exchanger Can be increased, and optimum heat exchange performance can be maintained.
7 is a plan view of a heat exchanger according to a fourth embodiment of the present invention.
That is, in the fourth embodiment of the present invention, in order to increase the capacity of the heat exchanger, the plurality of heat exchangers are arranged on the same plane and connected in parallel.
For example, as shown in Figure 7, the supply hole of the
Accordingly, the present invention by placing a plurality of heat exchangers in parallel on the same plane to connect the external circulation flow path and the inner circulation pipe to each other, a plurality of heat exchangers can perform a uniform heat exchange operation to increase the efficiency of the heat exchanger It is possible to maintain the optimum heat exchange performance.
Meanwhile, the present invention may be modified to further increase the capacity of the heat exchanger by mixing the configurations described in the third and fourth embodiments, respectively, and stacking the plurality of heat exchangers up and down, and simultaneously placing them in parallel on the same plane.
Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.
The present invention is applied to a technique for manufacturing a double-tube heat exchanger having a simple structure by installing a spiral flow path forming plate inside a hexahedron case and inserting and fixing an inner circulation pipe inside an external circulation flow path formed by the flow path forming plate. .
The present invention can be applied to heat exchanger technology installed inside and outside the building, air supply and exhaust of the air conditioner, or various types of hot air heaters such as boilers and air conditioners.
10: case 11: flow path forming plate
12: External circulation passage 13: Inlet
14: outlet 20: internal circulation pipe
21: supply hole 22: discharge hole
23: first screw member 24: second screw member
25: first pipe 26: second pipe
Claims (5)
And an inner circulation pipe 20 installed inside the outer circulation path 12 and having a flow path through which a second fluid for performing heat exchange with the first fluid circulates.
Inside the case 10, a flow path forming plate 11 is formed to be bent in a spiral of a spiral shape gradually increasing in diameter from the center of the case 10 to form the external circulation passage 12. Heat exchanger made.
At both ends of the outer circulation passage 12, inflow holes 13 and 13 'into which the first fluid is introduced and discharge holes 14 and 14' through which the first fluid is discharged to the outside are formed, respectively.
At both ends of the inner circulation pipe 20, supply holes 21 and 21 ′ in which the second fluid is supplied into the inner circulation pipe 20 and discharge holes 22 in which the second fluid is discharged to the outside of the heat exchanger 22. , 22 ') is formed.
The inner circulation pipe 20 is formed at an outer diameter smaller than the minimum inner diameter of the outer circulation passage 12 so that the center of the outer circulation passage 12 is located at the same plane as the outer circulation passage 12. Heat exchanger, characterized in that inserted and fixed.
At least one of the inner and outer circumferential surfaces of the inner circulation pipe 20 may include a screw member to increase the contact area with the first fluid or the second fluid and to slow down the circulation speed of the first fluid or the second fluid. Heat exchanger, characterized in that provided.
The heat exchanger is connected to the outer circulation passage 12 and the inner circulation pipe 20 provided in each heat exchanger, respectively, a plurality of them are stacked up and down, or arranged in parallel on the same plane heat exchanger, characterized in that the heat exchanger group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120091644A KR20140025201A (en) | 2012-08-22 | 2012-08-22 | Heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120091644A KR20140025201A (en) | 2012-08-22 | 2012-08-22 | Heat exchanger |
Publications (1)
Publication Number | Publication Date |
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KR20140025201A true KR20140025201A (en) | 2014-03-04 |
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ID=50640502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020120091644A KR20140025201A (en) | 2012-08-22 | 2012-08-22 | Heat exchanger |
Country Status (1)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180000927U (en) * | 2016-09-27 | 2018-04-04 | 원철호 | Heat Exchanger |
KR102206993B1 (en) * | 2020-07-24 | 2021-01-25 | 국방과학연구소 | Multi-stage heat exchanger apparatus |
KR102287936B1 (en) * | 2020-05-14 | 2021-08-06 | 손성욱 | Air-to-water type rotational cross-layer heat exchanger and heat exchange method using the same |
CN113566637A (en) * | 2021-07-27 | 2021-10-29 | 克雷登热能设备(浙江)有限公司 | Novel fin coil pipe |
KR20230083918A (en) * | 2021-12-03 | 2023-06-12 | 우주벤텍 주식회사 | Heat exchager using swirl-type tube body |
-
2012
- 2012-08-22 KR KR1020120091644A patent/KR20140025201A/en active Search and Examination
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180000927U (en) * | 2016-09-27 | 2018-04-04 | 원철호 | Heat Exchanger |
KR102287936B1 (en) * | 2020-05-14 | 2021-08-06 | 손성욱 | Air-to-water type rotational cross-layer heat exchanger and heat exchange method using the same |
KR102206993B1 (en) * | 2020-07-24 | 2021-01-25 | 국방과학연구소 | Multi-stage heat exchanger apparatus |
CN113566637A (en) * | 2021-07-27 | 2021-10-29 | 克雷登热能设备(浙江)有限公司 | Novel fin coil pipe |
KR20230083918A (en) * | 2021-12-03 | 2023-06-12 | 우주벤텍 주식회사 | Heat exchager using swirl-type tube body |
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