WO2012011681A2

WO2012011681A2 - Heat exchanger

Info

Publication number: WO2012011681A2
Application number: PCT/KR2011/004882
Authority: WO
Inventors: 강창희
Original assignee: Kang Chang Hee
Priority date: 2010-07-20
Filing date: 2011-07-04
Publication date: 2012-01-26
Also published as: KR20100088598A; KR101014241B1; WO2012011681A3

Abstract

A heat exchanger according to the present invention includes: a corrugated board having a plurality of upper lateral recesses defining second lateral projections, and a plurality of lower lateral recesses defining first lateral projections; a top plate disposed over the corrugated board; a bottom plate disposed under the corrugated board; a plurality of border plates sealing the edge of the corrugated board, the top plate, and the bottom plate; a plurality of first means for fluid passage disposed between the corrugated board and the top plate such that the upper lateral recesses communicate with one another; a plurality of second means for fluid passage disposed between the corrugated board and the bottom plate such that the lower lateral recesses communicate with one another; a plurality of first pipes for fluid supply/discharge disposed on the border plate to spread a fluid to the upper lateral recesses of the corrugated board and discharge the fluid; and a plurality of second pipes for fluid supply/discharge disposed on the border plate to spread a fluid to the lower lateral recesses of the corrugated board and discharge the fluid.

Description

Heat exchanger

The present invention relates to a heat exchanger, and more particularly, to a heat exchanger capable of increasing the temperature of outdoor air introduced into a room by recovering heat from indoor air that is ventilated when the room is ventilated with cold outdoor air.

Heat exchangers are used in various places to reduce fuel costs. In particular, heat exchangers are widely used to recover heat from fluids such as waste water.

However, such heat exchangers are mainly used to recover waste heat from fluids such as hot water or oil, but are rarely applied to fluids such as air.

In general, homes and large buildings use a variety of means for indoor ventilation. Such means include a purifier for purifying indoor air and a device for ventilating indoor air to outdoor air. In the case of using a purifier that purifies indoor air, a lot of costs are consumed, and most of the air purifiers are ventilated using ventilation means such as a fan.

In the case of ventilating the indoor air using the ventilation means, since the temperature of the indoor air and the temperature of the outdoor air is almost the same in the spring or autumn, problems such as heat loss do not occur. However, if indoor air is ventilated in summer or winter, hot outdoor air flows into the room in summer, resulting in an increase in the operating temperature of a cooling device such as an air conditioner. In the winter, as cold outdoor air flows into the room, the indoor temperature drops and the operating time of a heating device such as a boiler increases, thereby increasing the waste of electricity or fossil fuel.

As described above, when indoor ventilation is performed in a season such as summer and winter, there is almost no heat exchanger that recovers heat from indoor air flowing out to lower or raise the temperature of the air introduced into the room.

Therefore, when indoor ventilation in summer and winter, heat is recovered from the air that flows from the indoors to the outdoor, and used for the air flowing into the indoors to prevent the rapid drop or rise of the indoor temperature to save fuel costs. It would be desirable to be provided.

Accordingly, an object of the present invention is to provide a heat exchanger that recovers heat from the air flowing from the indoor to the outdoor when the indoor air is ventilated to the outdoor air to increase or decrease the temperature of the air flowing from the outdoor to the indoor. .

In order to achieve the object of the present invention, the heat exchange apparatus according to the first embodiment of the present invention is a bend in which a plurality of upper horizontal bones forming a second horizontal hill and a plurality of lower horizontal bones forming a first horizontal hill A plate, an upper plate placed on an upper portion of the curved plate, a lower plate placed on a lower portion of the curved plate, an edge plate covering the circumference of the curved plate, an upper plate and a lower plate, and formed between the curved plate and the upper plate and having an upper portion. A first fluid passage means for communicating the transverse bones with each other, a second fluid passage means formed between the curved plate and the lower plate for communicating the lower transverse bones with the upper transverse bones of the curved plate A first fluid supply and discharge pipe for discharging and discharging the fluid; and a second fluid supply and discharge pipe for discharging and discharging the fluid to the lower horizontal bones of the curved plate provided at the edge plate. It is sex.

The first fluid passage means according to the first embodiment is characterized in that the first recess formed in at least one of the plurality of first horizontal cross-section formed between the upper horizontal bone.

The second fluid passage means according to the first embodiment is characterized in that the second recessed portion formed in at least one of the plurality of second horizontal cross-links formed between the lower horizontal cross-bones.

According to the first embodiment, a plurality of first and second depressions formed in the first and second horizontal parts are formed, and each of the depressions is formed to be staggered with respect to each of the depressions formed in the neighboring horizontal parts. It features.

According to the first embodiment, the sum of the cross-sectional areas of the depressions formed in the horizontal cross-section is formed to be smaller than the longitudinal cross-sectional area of each cross-shaped bone.

The first fluid passage means according to the second embodiment of the present invention is characterized in that it consists of a plurality of upper depressions formed in a row on the lower surface of the upper plate is in close contact with each of the first horizontal formation formed between the upper horizontal bone. .

According to a second embodiment of the present invention, the second fluid passage means is characterized in that it is composed of a plurality of lower depressions formed in a row on the upper surface of the lower plate is in close contact with each of the second transverse acid formed between the lower transverse bone .

According to the second embodiment of the present invention, the upper and lower recesses respectively formed on the upper plate and the lower plate are formed in plural, and each of the recesses is formed to be staggered with respect to each of the depressions formed in the neighboring lateral mounts.

According to the second embodiment of the present invention, the sum of the cross-sectional areas of the upper and lower recesses formed on the upper and lower plates is formed to be smaller than the longitudinal cross-sectional area of each transverse bone.

The heat exchanger according to the third embodiment of the present invention includes an upper plate, a lower plate, a pipe disposed between the upper plate and the lower plate, and a fluid flowing therein, and a boundary plate installed between the upper plate and the lower plate, A fluid passage means formed on one of the upper and lower plates to communicate with each other between the spaces between the straight portions of the pipe, and a fluid supply and discharge pipe installed on the edge plate to diffuse and move the fluid between the spaces between the straight portions of the pipe. Characterized in that consists of.

According to the third embodiment, the fluid passage means is characterized in that it is composed of one or more depressions formed on the surface of the upper plate or the lower plate that the linear portions of the pipe contact.

According to the third embodiment, a plurality of recesses each formed on a surface of the upper plate or the lower plate to which the straight portions of the pipe contact each other are formed, and a plurality of recesses formed on the surface of the upper plate or the lower plate which contacts one straight portion. It is characterized by being staggered with respect to the depression formed in the surface of the upper plate or the lower plate in contact with the adjacent straight portion.

According to the third embodiment of the present invention, the recessed portion is formed on both the upper and lower plates.

According to the third embodiment of the present invention, the sum of the cross-sectional areas of each of the depressions formed in the upper plate and the lower plate is characterized in that it is formed to be smaller than the longitudinal area of the space between the straight portions of the pipe.

The heat exchanger according to the fourth embodiment of the present invention includes an upper plate, a lower plate, a pipe disposed between the upper plate and the lower plate, and a fluid flowing therein, and a boundary plate installed between the upper plate and the lower plate, A fluid passage means formed on one of the surfaces of the pipe in contact with the upper plate and the lower plate to communicate with each other between the spaces between the straight portions of the pipe, and installed on the edge plate so that the fluid is diffused and discharged between the spaces between the straight portions of the pipe. It is characterized by consisting of a fluid supply and discharge pipe.

According to the fourth embodiment of the present invention, the fluid passage means is characterized in that it consists of a recessed groove formed in at least one of the upper or lower surface of the pipe in contact with the upper plate or lower plate.

According to the fourth embodiment of the present invention, a plurality of recessed grooves formed in the upper or lower surface of the pipe in contact with the upper plate or the lower plate is formed of a plurality,

The recessed grooves formed in one straight portion of the pipe are characterized by being staggered with respect to the recessed grooves formed in the adjacent straight portion.

According to the fourth embodiment of the present invention, the recessed grooves are formed on both the upper and lower surfaces of the straight portions of the pipe contacting the upper plate and the lower plate.

According to the fourth embodiment of the present invention, the recessed grooves formed in the upper and lower surfaces of the pipe are formed to be staggered with each other.

According to a fourth embodiment of the present invention, the sum of the cross-sectional areas of the recessed grooves is formed to be smaller than the longitudinal cross-sectional area of the space between the straight portions of the pipe.

When the heat exchanger according to the present invention is applied to a ventilator, since the ventilation can be performed in the summer or winter when the temperature difference between the indoor and the outdoor is severe, the indoor temperature is hardly affected. The cost can be reduced, and in winter, it is possible to reduce the cost of operating the heating device.

1 is an exploded perspective view of a heat exchanger according to a first embodiment of the present invention.

2 is a perspective view of a heat exchanger according to a first embodiment of the present invention.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is an exploded perspective view of a heat exchanger according to a second embodiment of the present invention.

5 is a perspective view of a heat exchanger according to a second embodiment of the present invention.

6 is a cross-sectional view taken along the line B-B of FIG. 5.

7 is an exploded perspective view of a heat exchanger according to a third embodiment of the present invention.

8 is a perspective view of the heat exchange apparatus combined according to a third embodiment of the present invention.

9 is an exploded perspective view of a heat exchanger according to a fourth embodiment of the present invention.

10 is a perspective view of the heat exchange apparatus combined according to a fourth embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

1 is an exploded perspective view of a heat exchanger according to a first embodiment of the present invention, FIG. 2 is a perspective view of a heat exchanger according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2. to be.

The heat exchange apparatus according to the first embodiment of the present invention includes a curved plate in which a plurality of upper horizontal bones 11 forming a second horizontal hill and a plurality of lower horizontal bones 12 forming a first horizontal hill are formed ( 1), the upper plate (2) located on the upper part of the bending plate (1) during assembly, the lower plate (7) located on the lower part of the bending plate at the time of assembly, the bending plate and the upper plate and the lower plate circumference at the time of assembly Located in the rim plate (3) for separating and sealing the space between the upper plate and the bent plate and the space between the lower plate and the bent plate, and the first fluid is formed between the upper plate and the bent plate to communicate with the upper horizontal bone A fluid flows through the passage means 4, the second fluid passage means 4 ′ formed between the curved plate and the lower plate to communicate the lower horizontal bone with each other, and the upper horizontal bone of the curved plate installed at the edge plate. First fluid supply and discharge pipes (5, 6) to be diffused and moved to discharge, and the rim plate Is provided in fluid moves into the lower lateral diffusion of the bone plate consists of a bent second fluid supply and discharge lines (5 ', 6') to be discharged.

The flexure plate consists of a series of roughly lateral "d" cross-sectional shapes to form the upper transverse bone and the lower transverse bone. The bending plate may be formed by performing a bending operation such as pressing on a single metal plate. In addition, the curved plate is preferably made of a metal material having a high thermal conductivity such as aluminum or copper in order to efficiently exchange heat between the fluid flowing through the upper horizontal bone and the lower horizontal bone, but is not limited thereto.

The first fluid supply pipe (5) is installed so as to communicate with the upper transverse bone on one side of the rim plate in the upper transverse bone (11) at the foremost front of the flexure plate, the first fluid discharge pipe (6) is the rearmost of the flexure plate The other side of the transverse bone is formed on one side of the border plate to communicate with the upper transverse bone.

The second fluid supply pipe 5 'is installed to communicate with the lower transverse bone 12 at the rearmost side of the same rim plate on which the first fluid supply pipe is installed, and the first fluid discharge pipe 6' is the first fluid discharge pipe. It is installed to communicate with the transverse bone 12 of the foremost front in the same border plate is installed.

The first fluid passage means 4 is configured as a first depression 41 in a first horizontal hill which forms a lower horizontal bone 12 between the upper horizontal bones 11. The first recesses 41 formed in the first horizontal mount are staggered with respect to the first recesses formed in the neighboring first horizontal mount. Thus, not only the path of the fluid moving through the first depression increases but also the rapid movement of the fluid is prevented.

The second fluid passage means 4 ′ is configured as a second recess 41 ′ in the second transverse mountain forming the upper transverse bone 11 between the lower transverse bones 12. The second recesses 41 ′ formed in the second horizontal mount are staggered with respect to the second recesses formed in the adjacent second horizontal mount. Thus, not only the path of the fluid moving through the second depression increases but also the rapid movement of the fluid is prevented.

Installation of the first and second fluid supply and discharge pipes to the edge plate is not limited to the drawings and may be performed by other methods. For example, the second fluid discharge pipe 6 'may be installed next to the first fluid supply pipe 5, and the second fluid supply pipe 5' may be installed next to the first fluid discharge pipe 6, and the upper and lower plates may be used. Or it can be installed in any part of four sides of an edge plate.

The edge plate 3, and the upper plate and the lower plate is preferably made of a heat insulating material for minimizing the heat loss of the fluid flowing through the heat exchanger, it can also be heat-insulated outside the top plate, the bottom plate, the edge plate.

The sum of the cross sectional areas of the first depressions 41 formed in the first horizontal ridge forming the lower horizontal bone 12 between the upper horizontal bones 11 is smaller than the longitudinal area of one upper horizontal bone. The sum of the cross-sectional areas of the second recesses 41 'formed in the second horizontal hill which forms the first horizontal bone 11 between the lower horizontal bones 12 is the end of one lower horizontal bone. It is formed to be smaller than the area.

Referring to Figures 1 to 3 the operational relationship of the heat exchanger according to the first embodiment of the present invention configured as described above is as follows.

The heat exchanger according to the first embodiment of the present invention is typically used as part of a device for indoor ventilation after being installed in a buried form in a wall of a house or building. The first fluid supply and

discharge pipes

5 and 6 are used for taking out indoor air to the outside, and the second fluid supply and discharge pipes 5 'and 6' are used for introducing outdoor air into the room.

The first fluid discharge pipe 6 and the second fluid supply pipe 5 'are respectively connected to a predetermined ventilation mechanism such as a fan installed outside the wall and outdoors. The first fluid supply pipe 5 and the second fluid supply pipe 5' are respectively connected to each other. The fluid discharge line 6 'is located indoors.

When the ventilation mechanism installed in the first fluid discharge pipe 6 is operated, indoor air flows into the heat exchanger through the first fluid supply pipe 5 to form each of the upper horizontal bone 11 and the first horizontal acid. It is formed in the lower horizontal bone 12 to be discharged to the outside through the first fluid discharge pipe (6) through the first depressions 41 for communicating the horizontal bone.

On the other hand, when the ventilation mechanism installed in the first fluid discharge pipe 6 is operated and the ventilation mechanism installed in the second fluid supply pipe 5 'is operated, outdoor air is exchanged through the second fluid supply pipe 5'. The second fluid discharge pipe (2) through the second recessed portion 41 'is formed in the upper horizontal bone 11 which is introduced into the device and each of the lower horizontal bone 12 and the second horizontal bone (11) to communicate the lower horizontal bone ( 6 ') to be released into the room.

At this time, since the bending plate 1 is made of a material having high thermal conductivity, the flexure plate 1 moves through the first fluid supply and

discharge pipes

5 and 6 and the second fluid supply and discharge pipes 5 'and 6'. Heat exchange occurs between the fluids.

That is, in winter, when there is a large temperature difference between the indoor and outdoor, the hot air discharged from the indoor to the outdoor through the first fluid supply and

discharge pipes

5 and 6 passes through the curved plate having high thermal conductivity and the second fluid. Since the warm air is introduced into the room through the supply and discharge pipes 5 'and 6', the room temperature is vented without dropping.

Likewise, in summer, the indoor temperature is not heated by ventilation because the hot outside air entering the room is cooled by heat exchange with the cold indoor air discharged to the outside.

Figure 4 is an exploded perspective view of a heat exchanger according to a second embodiment of the present invention, Figure 5 is a perspective view of a heat exchanger according to a second embodiment of the present invention, Figure 6 is a cross-sectional view.

In the heat exchange apparatus according to the second embodiment of the present invention, all other parts are the same except for the first and second fluid passage means 4 and 4 'in the heat exchange apparatus according to the first embodiment.

The first and second fluid passage means 4, 4 'of the heat exchanger according to the second embodiment of the present invention, unlike the first embodiment, the lower transverse bone 12 between the upper transverse bones 11 At least one third depression 42 is formed in a plurality of rows on the lower surface of the upper plate 2 in contact with the first horizontal beam forming the upper horizontal bone 11 and between the lower horizontal bones 12 This is achieved by forming a plurality of one or more fourth recessed portions 42 ′ in a plurality of rows on the upper surface of the lower plate 7 in contact with the second horizontal beam to be formed.

The third and fourth depressions 42 and 42 'are formed to be staggered with respect to neighboring depressions.

Looking at the operating relationship of the heat exchanger according to the second embodiment of the present invention formed as described above are as follows. The fluid supplied through the first fluid supply pipe 5 first moves horizontally along the first horizontal bone 11 and then moves to the next horizontal bone through the third recessed groove 42. In this way, the fluid is moved and finally discharged to the outside through the first fluid discharge pipe (6). The same fluid flow is also made through the second fluid supply and discharge pipes 5 'and 6'.

Therefore, the fluid moving through the first fluid supply and discharge pipe and the fluid moving through the second fluid supply and discharge pipe exchange heat with each other through the curved plate 1.

7 is an exploded perspective view illustrating a configuration of a heat exchanger according to a third embodiment of the present invention, and FIG. 8 schematically illustrates a coupling configuration of a heat exchanger according to a third embodiment. In order to facilitate the understanding of the drawings, the configuration of the side wall 3 is omitted, and also the configuration of the fluid supply and discharge pipe for introducing the indoor air is omitted. In addition, the same reference numerals of the above embodiments are used in the same configuration as the above embodiments without giving a separate reference number.

In the heat exchange apparatus according to the third embodiment of the present invention, unlike the first and second embodiments, the pipe 30 is used instead of forming two fluid flow passages up and down using separate curved plates. To form two fluid flow paths. That is, when the fluid is air, and the indoor air and the outdoor air are to be exchanged, the indoor air moves through the space between the upper and lower plates, and the outdoor air moves through the pipe 30. Then, the first and second fluid passage means 4, 4 'are formed on the upper plate 2 and the lower plate 7, as in the second embodiment. Accordingly, the fluid introduced into the space between the upper plate and the lower plate moves from one space between the straight portions of the pipe to the other space between the linear portions through the fluid passage means.

Fluid passage means 24 used in the third embodiment of the present invention is formed in one or more horizontal lines on the inner surface of the upper plate (2) and lower plate (7) as in the second embodiment and the straight portion of the pipe (30) It consists of recessed grooves 42 and 42 'which are in contact with each other.

Therefore, the heat exchanger according to the third embodiment of the present invention has the configuration as shown in FIG. 8 at the time of assembly, and since the fluid flows in a manner similar to the second embodiment, further detailed description thereof will be omitted. In FIG. 8, since the top plate and the bottom plate have the same configuration, only the top plate is illustrated and the bottom plate is omitted for better understanding of the drawings.

Recessed grooves respectively formed in the upper plate and the lower plate are staggered with respect to the recessed grooves adjacent to each other, not only to increase the path of the fluid moving through the recessed grooves, but also to prevent the rapid movement of the fluid.

In addition, the sum of the cross sectional areas of the recessed grooves is formed to be smaller than the longitudinal area of the space between the straight portions of the pipes. Therefore, the indoor air introduced into the heat exchanger is prevented from flowing to either side, thereby increasing the efficiency of heat exchange.

In the above, it was described as forming a recessed groove in both the upper plate and the lower plate, it is also possible to form a recessed groove in only one of the upper plate and the lower plate.

9 is an exploded perspective view illustrating a configuration of a heat exchanger according to a fourth embodiment of the present invention, and FIG. 10 is a view schematically illustrating a coupling configuration of the heat exchanger according to the fourth embodiment. In order to facilitate the understanding of the drawings, the configuration of the side wall 3 is omitted, and also the configuration of the fluid supply and discharge pipe for introducing the indoor air is omitted. In addition, the same reference numerals of the above embodiments are used in the same configuration as the above embodiments without giving a separate reference number.

As shown in the figure, the fourth embodiment of the present invention has a configuration similar to that of the third embodiment, but instead of forming the first and second fluid passage means on the upper plate and the lower plate, the pipe facing the upper plate or the lower plate. The fluid passage means 34 is formed on the upper or lower surface of the straight portion 30 (in the drawing, only on the upper surface).

The fluid passage means 34 is formed with a recessed groove 342 formed in the pipe. Accordingly, when the pipe 30 is sealed up and down by the upper plate and the lower plate, a fluid passage is formed between the upper plate and the pipe or between the lower plate and the pipe by the recessed groove 342 so that the fluid flows. The recessed grooves formed in the straight portions of the pipe are staggered with respect to the recessed grooves formed in the adjacent straight portions.

Meanwhile, recessed grooves may be formed in both the upper and lower surfaces of the pipe. At this time, the recessed grooves provided on the upper and lower sides of the pipe may be formed at positions corresponding to each other, but the grooves provided on the upper and lower surfaces may be alternately formed. If the grooves provided on both the upper and lower surfaces of the pipe are alternated with each other, vortices occur in the flow of fluid moving from one space between the straight portions of the pipe to the other space, and the fluid is well mixed between the straight portions of the pipe. It allows you to maintain a constant temperature. In other words, when the fluid is indoor air, the temperature of the indoor air is constant throughout the space between the straight portions of the pipe, so that the heat exchange with the outdoor air flowing inside the pipe is performed well.

In addition, the sum of the cross sectional areas of the recessed grooves is formed to be smaller than the longitudinal area of the space between the straight portions of the pipe. Therefore, the indoor air introduced into the heat exchanger is prevented from flowing to either side, thereby increasing the efficiency of heat exchange.

Claims

A curved plate 1 in which a plurality of upper horizontal bones 11 forming a second horizontal shaped hill and a plurality of lower horizontal bones 12 forming a first horizontal hill are formed;

An upper plate 2 positioned at an upper portion of the bending plate 1,

A lower plate 7 positioned below the curved plate 1,

An edge plate 3 disposed around the curved plate and the upper plate and the lower plate to separate and close the space between the upper plate and the curved plate and the space between the lower plate and the curved plate;

A first fluid passage means (4) formed between the upper plate and the curved plate and composed of a first depression (41) for communicating the upper transverse bones (11) with each other;

A second fluid passage means 4 'formed between the lower plate and the curved plate to communicate the lower horizontal bones 12 with each other;

First fluid supply and discharge pipes (5, 6) for discharging and discharging the fluid to the upper transverse bone of the bending plate;

It consists of a second fluid supply and discharge pipe (5 ', 6') for allowing the fluid to be diffused and discharged to the lower transverse bone of the bending plate,

The first fluid passage means 4 is composed of one or more first depressions 41 formed on one or more upper portions of the first horizontal cross-section located between the upper horizontal bone 11, the second fluid passage means Consists of at least one second recessed portion 41 ′ formed at the top of the second cross-shaped mountain located between the horizontal bone 12,

The first recessed part 41 and the second recessed part 41 'respectively formed in the first horizontal part and the second horizontal part are formed in plural, and the first horizontal part and the second horizontal part are formed in the second horizontal part, respectively. And the first and second recesses are staggered with respect to each of the neighboring first and second recesses.
The method of claim 1,

The sum of the cross sectional areas of the first recesses formed in the first horizontal beam is formed to be smaller than the longitudinal area of the upper horizontal bone 11,

The sum of the cross sectional areas of the second recesses formed in the second horizontal section is formed to be smaller than the longitudinal area of the lower horizontal bone (12).
The method of claim 1,

The first fluid passage means 4 is a third recess formed in at least one row in a plurality of horizontal lines on the lower surface of the upper plate (2) which is in close contact with the upper portion of the first horizontal cross-section located between the upper horizontal bone 11 during assembly Consists of a section 42,

The second fluid passage means has at least one fourth recess 42 formed in a plurality of rows on the upper surface of the lower plate 7 which is in close contact with the upper portion of the second horizontal beam located between the lower horizontal bones 11 during assembly. Heat exchanger, characterized in that consisting of.
The method of claim 3,

A plurality of third recessed portions 42 and fourth recessed portions 42 ′ formed on the upper plate 2 and the lower plate 7, respectively,

The third depressions formed in one row are staggered with respect to the third depressions formed in a neighboring row,

And the fourth recesses formed in one row are staggered with respect to the fourth recesses formed in a neighboring row.
The method according to claim 3 or 4,

The sum of the cross-sectional areas of the third recesses formed on the lower surface of the upper plate is formed to be smaller than the longitudinal area of the upper transverse bone 11,

The sum of the cross-sectional areas of the fourth recessed portions formed on the upper surface of the lower plate is characterized in that the formed smaller than the longitudinal cross-sectional area of the lower transverse bone (12).
With the top board (2),

Lower plate (7),

A pipe 30 positioned between the upper plate and the lower plate and flowing fluid therein;

Teturi plate installed between the upper plate and the lower periphery,

A fluid passage means 4 or 4 'formed on one of the upper and lower plates to communicate with each other between the spaces between the straight portions of the pipe;

And a fluid supply and discharge pipe for dispersing and discharging fluid between the spaces between the straight portions of the pipe.
The fluid passage means (4 or 4 ') is characterized in that it consists of at least one recessed portion (42 or 42') formed on the surface of the upper plate or the lower plate to which the linear portions of the pipe contact. Heat exchanger.
The method of claim 7, wherein the plurality of depressions 42 or 42 'are formed on the surface of the upper plate or the lower plate to which the linear portions of the pipe contact each other,

A plurality of depressions formed on the surface of the upper plate or the lower plate in contact with one straight portion is formed so as to be staggered with respect to the depressions formed on the surface of the upper plate or lower plate in contact with the adjacent straight portion.
The heat exchanger of claim 8, wherein the recess is formed on both the upper plate and the lower plate.
The method according to any one of claims 7 to 9,

The sum of the cross-sectional areas of each of the depressions (42, 42 ') formed in the upper plate and the lower plate is smaller than the longitudinal area of the space between the straight portions of the pipe (30).
With the top board (2),

Lower plate (7),

A pipe 30 positioned between the upper plate and the lower plate and flowing fluid therein;

Teturi plate installed between the upper plate and the lower periphery,

A fluid passage means 34 formed on one of the surfaces of the pipe 30 in contact with the upper plate and the lower plate to communicate between the spaces between the straight portions of the pipe;

And a fluid supply and discharge pipe configured to diffuse and move the fluid between the spaces between the straight portions of the pipe to discharge the fluid.
12. The heat exchange apparatus of claim 11, wherein the fluid passage means comprises at least one recessed groove formed in at least one of the upper and lower surfaces of the pipe in contact with the upper and lower plates.
The method of claim 12, wherein the plurality of recessed grooves 342 formed on the upper or lower surface of the pipe in contact with the upper plate or the lower plate is formed of a plurality,

The recessed grooves formed in one straight portion of the pipe are formed to be staggered with respect to the recessed grooves formed in the adjacent straight portion.
The heat exchange apparatus according to claim 12 or 13, wherein the recessed grooves 342 are formed on both upper and lower surfaces of the straight portions of the pipe contacting the upper plate and the lower plate.
15. The heat exchange apparatus of claim 14, wherein the recessed grooves formed in the upper and lower surfaces of the pipe are alternately formed.
14. The heat exchange apparatus according to claim 12 or 13, wherein the sum of the cross sectional areas of the recessed grooves (342) is smaller than the longitudinal area of the space between the straight portions of the pipe.