JP2004219065A - Heat exchanger for waste heat recovery - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat exchanger for waste heat recovery with a simple overall structure and a reduced number of components capable of efficiently raising a temperature of low temperature water. <P>SOLUTION: The heat exchanger for waste heat recovery is characterized by that it is provided with an inflow side water flow unit 10 supplied with low temperature heating object water; an outflow side water flow unit 20 discharging the heating object water; and at least one water passing pipe 30 for heat exchange connecting the inflow side water flow unit 10 and the outflow side water flow unit 20, externally contacting a high temperature heat source, and passing the heating object water through an interior. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

  The present invention relates to a heat exchange device for waste heat recovery that efficiently raises the temperature of water to be heated by exchanging heat between water to be heated and heat source water.

  Conventionally, hot water is obtained by using thermal energy contained in heat source water such as hot wastewater (high-temperature wastewater) discharged from dyeing factories, food factories, and chemical factories, and high-temperature groundwater flowing in the soil. A heat exchange device for waste heat recovery, which is capable of reducing waste heat, has been developed and is being used effectively. For example, Patent Literature 1 discloses "In a waste heat recovery device utilizing heat exchange with waste water (waste water), a fresh water guide pipe having a drop hole formed therein is laminated in a main body, and a drain passage is formed in a zigzag manner therebetween. And a drain plate is installed on both sides of the fresh water guide tube so that the drainage passages are connected to each other. A fresh water guide plate is installed outside the above separate plate, and the fresh water flowing into the fresh water guide tube is installed. The drainage inflow pipe and the drainage drainpipe are installed above and below the drainage passage, respectively, while the cold water inflow pipe and the hot water discharge pipe are installed above and below the fresh water guide plate. Then, the high-temperature wastewater flows into the drainage passage through the drainage inflow pipe, circulates downward in this drainage passage in a zigzag manner, and is discharged to the outside through the drainage drainage pipe. The fresh water that has flowed in passes through the fresh water guide tube and the fresh water guide plate. After being heated by the upper circulating in a zigzag Te, waste heat recovery device configured to be discharged to the outside through the hot water discharge pipe "is disclosed.

  In such a waste heat recovery device, high-temperature wastewater, which is a heat source water having waste heat, is supplied to the upper side of the waste heat recovery device, circulated downward through a drain passage, and circulated downward. Fresh water, which is water, flows in from the lower part of the waste heat recovery device, and is circulated zigzag upward through a fresh water guide pipe. As a result, heat is exchanged between the fresh water and the waste water to raise the temperature of the fresh water.

Republic of Korea Registration Utility Model No. 256619 (registered November 26, 2001)

  However, in the above-mentioned conventional waste heat recovery system, fresh water guide pipes are installed in multiple stages at intervals in the main body, and a drainage passage is secured between the fresh water guide pipes. There was a problem. First, since the fresh water is converted into hot water by heat exchange with the hot water in the main body having a predetermined volume, the heat exchange capacity is limited, and it is difficult to obtain a required amount of hot water. In addition, since the wastewater directly flows through the drainage passage provided between the fresh water guide pipes in the main body, there is a problem that foreign matters accumulate in the drainage passage and the heat exchange function is reduced. Further, there is a problem that the overall structure is complicated, the number of components is large, and the cost is high.

  Therefore, the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to simplify the entire structure, reduce the number of components, and reduce the temperature of the water to be heated (low-temperature water). An object of the present invention is to provide a new and improved heat exchange device for waste heat recovery, which can be efficiently increased.

  In order to solve the above problems, according to one aspect of the present invention, an inflow side water unit to which low-temperature water to be heated is supplied; an outflow side water unit to discharge the water to be heated; an inflow side water unit; At least one heat exchange water pipe, which is connected to the side stream water unit, is in contact with the high-temperature heat source water outside, and has the inside through which the water to be heated flows. A heat exchange device is provided. Here, the water to be heated is water to be heated by the heat exchanger for waste heat recovery, and is low-temperature water. The heat source water is high-temperature water containing waste heat, such as waste heat water from factories or groundwater.

  Such a heat exchange device for waste heat recovery has a simple structure in which an inflow-side and an outflow-side water flow unit are connected by a heat exchange water pipe, and water to be heated (low-temperature water) supplied from the outside flows into the inside. Heat is exchanged between low-temperature water flowing inside the heat exchange water pipe and heat source water (waste water, etc.) that contacts the outside of the heat exchange water pipe. Enhance.

  The inlet-side flowing water unit has a substantially cylindrical shape, and an inlet for water to be heated is provided on one end face, and a heat exchange water pipe is connected to one end face on the other end face. At least one outlet for the target water is provided; the outlet-side water unit has a substantially cylindrical shape, an outlet for the water to be heated is provided on one end face, and a heat exchange outlet on the other end face. You may comprise so that at least one inflow port of the water for a heating to which the other end of a service water pipe is connected may be provided.

  Further, the inflow-side flowing water unit has a substantially pipe shape, an inlet for water to be heated is provided on one side in the short direction, and a water exchange pipe for heat exchange is provided on the other side in the short direction. At least one outlet for the water to be heated to which one end is connected is provided; the outflow-side water unit has a substantially pipe shape, and an outlet for the water to be heated is provided on one side in the lateral direction. Alternatively, at least one inlet for the water to be heated to which the other end of the heat exchange water pipe is connected may be provided on the other side surface in the short direction.

  Further, the inflow-side flowing water unit has a substantially pipe shape, an inlet for water to be heated is provided on one side surface in the longitudinal direction, and a heat exchange water pipe is provided on one side surface in the short side direction. At least one outlet for the water to be heated to which one end is connected is provided; the outlet-side flowing water unit has a substantially pipe shape, and an outlet for the water to be heated is provided on one side surface in the longitudinal direction. At least one inlet for water to be heated is provided on one side in the transverse direction to which the other end of the heat exchange water pipe is connected; the heat exchange device for waste heat recovery comprises: It may be configured to further include a plurality of support members that support the outflow-side flowing water unit; and a plurality of fixing members that are provided between the plurality of support members and that fix the water pipe for heat exchange. Further, the heat exchange water pipe may be fixed by being wound around a plurality of fixing members.

  Further, the water pipe for heat exchange may be constituted by an accordion pipe made of stainless steel.

  According to another aspect of the present invention, there is provided an inflow-side and outflow-side water flow unit having a predetermined shape, through which low-temperature water introduced from outside is discharged. (20) and at least one heat exchange water pipe (30) connected between the inflow side and outflow side water flow units (10) and (20) so as to flow low-temperature water. A heat exchange device for waste heat recovery is provided.

  The inflow side water unit (10) has a cylindrical shape having a water flow space (10a) inside, and has an inflow side inlet (11) formed on one side and a circumferential direction on the other side. A plurality of inflow-side outflow ports (12) are formed at equal intervals; the outflow-side outflow unit (20) has a cylindrical shape having a running water space (20a) therein, and the outflow-side outflow side is formed on one side. An outlet (21) may be formed, and a plurality of outlet-side inlets (22) may be formed on the other side at equal intervals in the circumferential direction.

  The inflow-side water passage unit (10) has a pipe shape having a flowing water space (10a) therein, and an inflow-side inlet (11) is formed at a predetermined position in a longitudinal direction on one side. A plurality of inflow-side outlets (12) are formed on the side at equal intervals in the longitudinal direction; the outflow-side outflow unit (20) has a pipe shape having a running water space (20a) inside, and one side. The outlet side outlet (21) may be formed at a predetermined position in the longitudinal direction, and the outlet side inlet (22) may be formed on the other side at equal intervals in the longitudinal direction.

  The inflow-side water passage unit (10) has a pipe shape having a flowing water space (10a) therein, and an inflow-side inflow port (11) is formed in one of the pipes. The outflow side outflow unit (20) is formed; the outflow side outflow unit (20) has a pipe shape having a running water space (20a) therein, and the inflow side outlet (21) is formed in one side thereof; Outflow-side inlets (22) are formed at equal intervals in the longitudinal direction, and the inflow-side and outflow-side water units (10), (20) are supported by a column-shaped support member (40) that stands vertically below the lower part. The heat exchange water pipe (30) is attached to a fixing member (50) which is fixed so that two members are assembled in one set on the front and rear sides of the support member (40) so as to be horizontally arranged vertically. May be wound so that the arrangement is orderly fixed.

  The heat exchange water pipe (30) may be a stainless steel accordion pipe (A).

  The heat exchange device for waste heat recovery described above is a simple method of connecting the inflow side water unit and the outflow side water unit to the heat exchange water pipe and flowing the externally supplied water to be heated (low temperature water). Structure. Heat exchange between the water to be heated flowing through the heat exchange water pipe installed in contact with the heat source water and the heat source water (exhausted warm water) raises the temperature of the heat source water. . As a result, the amount of water to be heat-exchanged is not limited, and it is possible to prevent foreign matter contained in waste heat water, which is a heat source water, from accumulating in the flowing water path and deteriorating the heat exchange function. Therefore, the installation cost of the apparatus can be reduced.

  As described above, in the heat exchange device for waste heat recovery of the present invention, the water to be heated (low-temperature water) flows into the water exchange pipe connected to the inflow-side and outflow-side water flow units, and the external heat source water ( (Exhaust warm water, etc.). This makes it possible to simplify the entire structure of the heat exchange device for waste heat recovery, reduce the number of components, and efficiently increase the temperature of the water to be heated.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this specification and the drawings, components having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted.

(1st Embodiment)
First, a heat exchange device for waste heat recovery according to a first embodiment of the present invention will be described.

  As shown in FIGS. 1 and 2, the heat exchange device for waste heat recovery (1) according to the present embodiment is, for example, a hollow container into which water to be heated (low-temperature water such as fresh water) flows from the outside. A side water unit (10), an outlet water unit (20) which is a hollow container for discharging heated water to be heated (warm water), an inlet water unit (10) and an outlet water unit (20). 20) and a water exchange pipe (30) for heat exchange.

  The inflow-side flowing water unit (10) guides, for example, low-temperature water supplied from outside via the low-temperature water supply pipe (2) to the heat exchange water pipe (30). The outflow side water unit (20), for example, guides the warmed low-temperature water by passing through the heat exchange water pipe (30) and discharges it to the outside through the hot water discharge pipe (3). The inflow-side and outflow-side water units (10) and (20) can be formed in substantially the same shape, for example, to reduce the production cost. There may be.

  The water exchange pipe for heat exchange (30) is, for example, a flexible pipe, and exchanges heat between low-temperature water flowing inside the pipe and heat source water (discharged water, groundwater, etc.) contacting the outside. ， The temperature of low-temperature water can be increased.

  The “water to be heated” is low-temperature water to be heated by the heat exchanger for waste heat recovery (1), for example, clear water (hereinafter, “water to be heated” is referred to as “low-temperature water”). "). “Heat source water” is waste water (high-temperature waste water, etc.) or high-temperature groundwater discharged from various factories, power plants, buildings, etc., which is a waste heat source having a higher temperature than the low-temperature water. (Hereinafter, "heat source water" may be referred to as "exhausted warm water.")

  The number of heat exchange water pipes (30) may be at least one or more. In the example of FIG. 1, a plurality (for example, three) heat exchange water pipes (30) are provided.

  In the heat exchange device for waste heat recovery (1) having such a configuration, the inflow side water unit (10) and the outflow side water unit (20) are connected by the heat exchange water pipe (30), and supplied from outside. It has a relatively simple structure in which low-temperature water flows in the order of the inflow side water unit (10), the heat exchange water pipe (30), and the outflow side water unit (20). This waste heat recovery heat exchange device (1) heats the low-temperature water by exchanging the low-temperature water flowing inside with the external waste-heat water at the heat exchange water pipe (30). The hot water generated is discharged. The low-temperature water may be heated by passing through the heat exchange device for waste heat recovery (1) only once, or may be repeatedly passed through the water multiple times (ie, circulating the low-temperature water). It may be heated.

  As described above, the waste heat recovery heat exchange device (1) can effectively use waste heat such as waste water and groundwater to heat and discharge low-temperature water such as fresh water by a heat exchange method.

  Such a heat exchanger for waste heat recovery (1) will be described in more detail below.

  The inflow-side flowing water unit (10) has, for example, a cylindrical shape in which a flowing water space (10a) is formed. The inflow side water unit (10) has, for example, an inlet (11) for inflowing low-temperature water from a low-temperature water supply pipe (2) at one end face thereof, and an end face on the other side. Is provided with, for example, a plurality of outlets (12) for allowing low-temperature water to flow out to the heat exchange water pipe (30). The plurality of outlets (12) are arranged at substantially equal intervals along the circumferential direction, for example, on the end face of the inflow-side flowing water unit (10) having a cylindrical shape. Such an inflow side water unit (10) has a function of, for example, distributing low-temperature water from the outside to the plurality of heat exchange water pipes (30) and causing the water to flow out.

  Further, the outflow-side flowing water unit (20) has, for example, a cylindrical shape in which a flowing water space (20a) is formed. The outflow-side water unit (20) has, for example, an outlet (21) at one end face for discharging the low-temperature water heated to the hot water discharge pipe (3), and the other side. For example, a plurality of outlets (22) for allowing heated low-temperature water to flow in from the heat exchange water pipe (30) are provided at the end surface of the water supply pipe. The plurality of inflow ports (22) are arranged at substantially equal intervals along the circumferential direction, for example, on one end face of the outflow-side flowing water unit (20) having a cylindrical shape. Such an outflow side water unit (20) has a function of collecting low-temperature water whose temperature has increased by passing through the plurality of heat exchange water pipes (30) and discharging it to the outside.

  FIG. 3 shows an inflow side water unit (10) and an outflow side water unit (20) according to a modification of the present embodiment. Since the inflow side water unit (10) and the outflow side water unit (20) according to this modification have substantially the same shape, they are denoted by overlapping reference numerals on the same drawing.

  As shown in FIG. 3, the inflow-side flowing water units (10, 20) have a substantially pipe shape such that a flowing water space (10a, 20a) is formed therein. The “pipe shape” here is a hollow shape extending in one direction (longitudinal direction), and may be any hollow shape such as a hollow cylindrical shape or a hollow substantially rectangular parallelepiped shape. In other words, the cross-sectional shape in the short direction of the inflow-side flowing water unit (10, 20) having the pipe shape may be an arbitrary shape such as a substantially circular shape or a rectangular shape. FIG. 3 illustrates the inflow-side flowing water units (10, 20) whose cross-sectional shape in the short direction is, for example, rectangular.

  The inflow side water unit (10) shown in FIG. 3 has, for example, one inflow port (11) at a predetermined position (for example, a central part) in the longitudinal direction on one lateral side, and On the other side surface, a plurality (for example, six) of outlets (12) are provided at substantially equal intervals in the longitudinal direction. The outflow side water unit (20) shown in FIG. 3 is provided with one outlet (21) at a predetermined position (for example, the center) in the longitudinal direction on one side surface in the lateral direction. A plurality of (for example, six) inflow ports (22) are provided at substantially equal intervals in the longitudinal direction on the other side surface in the direction.

  Further, in the waste heat recovery heat exchange device (1) according to the present embodiment as shown in FIGS. 1, 2 and 3, as described above, the inlet (11) of the inflow side water unit (10) is used. ) And the low-temperature water supply pipe (2) are connected, for example, by a connection socket (2a) screwed to the outer peripheral surface of these members. Similarly, the outflow port (21) of the inflow-side flowing water unit (20) and the hot water discharge pipe (3) are connected by, for example, a connection socket (3a) screwed to the outer peripheral surface of these members.

  One end of each of the heat exchange water pipes (30) is connected to the outlet (12) of the inflow side water flow unit (10), and the other end of the heat exchange water pipe (30) is connected to the outflow side. It is connected to the inflow port (22) of the flowing water unit (20). Therefore, the low-temperature water flowing inside each heat exchange water pipe (30) is configured to be able to exchange heat with the external waste heat water via the heat exchange water pipe (30).

  In the present embodiment, one end (end) of the heat exchange water pipe (30) is connected to the outlet (12) of the inflow side water unit (10) by a connecting member (31) attached to the outside thereof. Is done. The other end (end) of the heat exchange water pipe (30) is connected to the inflow port (22) of the outflow-side water unit (20) by a connection member (31) attached to the outside thereof. . This allows the low-temperature water flowing from the inflow-side water flow unit (10) to pass through the inside of the heat exchange water pipe (30), thereby performing heat exchange between the low-temperature water and the waste hot water.

  At this time, as shown in FIG. 4, the connection member (31) includes, for example, an internal connection port (31a), an external connection port (31b), and an airtight packing (31c). One end of the internal connection port (31a) is connected to the outflow port (12) of the inflow side water flow unit (10) or the inflow port (22) of the outflow side water flow unit (20) by, for example, screwing with a connection socket. Is done. The external connection port (31b) is screwed and connected to the outer peripheral side of the other end of the internal connection port (31a). The airtight packing (31c) is sandwiched between the inner peripheral surface of the external connection port (31b) and the outer peripheral surface of the heat exchange water pipe (30). With the configuration of the connecting member (31), the heat exchange water pipe (30) and the inflow side and outflow side water flow units (10) and (20) can be tightly connected to each other, and water leakage can be suitably prevented. it can.

  It is important that the heat exchange water pipe (30) is composed of, for example, a stainless accordion pipe (A). As a result, the stainless steel heat exchange water pipe (30) has improved corrosion resistance to chemicals and the like. It is possible to prevent the water pipe (30) from being easily corroded. Further, by using the accordion pipe, the contact area between the heat exchange water pipe (30) and the waste water can be increased, and the heat exchange efficiency can be improved.

  Further, the heat exchange water pipe (30) made of the stainless accordion pipe (A) has flexibility and can be freely bent. For this reason, as shown in FIG. 5, for example, a plurality of heat exchange water pipes (30) curved in the shape of a helical spring are inserted into a waste heat water tank (4) storing the waste heat water to thereby provide heat exchange. Low-temperature water passing through the inside of the water pipe (30) can efficiently exchange heat with waste water. Alternatively, as shown in FIG. 6, a plurality of heat exchange water pipes (30) curved, for example, in the shape of a spiral spring are buried in the stratum (5) in which high-temperature groundwater is present, so that Low-temperature water passing through the inside of the exchange water pipe (30) can efficiently exchange heat with groundwater.

(Second embodiment)
Next, a heat exchanger for waste heat recovery (1) according to a second embodiment of the present invention will be described with reference to FIG.

  As shown in FIG. 7, the heat exchange device for waste heat recovery (1) according to the second embodiment includes, for example, a substantially pipe-shaped inflow side water unit (10) having a water space (10a) formed therein. A substantially pipe-shaped outflow side water unit (20) having a flow space (20a) formed therein; and an inflow side outflow unit (10) and an outflow side outflow unit (20). An exchange water pipe (30), a plurality of (for example, four) support members (40) for supporting the inflow side water unit (10) and the outflow side water unit (20), and, for example, two support members (40) And a plurality (for example, four) of fixing members (50) for fixing the water exchange pipe (30) for heat exchange.

  The inlet (11) is provided on one side surface (end surface) in the longitudinal direction of the inflow-side flowing water unit (10). A plurality (for example, three) of the outlets (12) are provided at substantially equal intervals in the longitudinal direction on one lateral side of the inflow-side flowing water unit (10).

  Similarly, the outflow port (21) is provided at one end in the longitudinal direction of the outflow side flowing water unit (20). In addition, a plurality of (for example, three) inlets (22) are provided at substantially equal intervals in the longitudinal direction on one lateral side of the outflow-side flowing water unit (20).

  Such an inflow side water unit (10) and an outflow side water unit (20) are disposed so as to extend substantially in the horizontal direction. For example, both ends are supported by two support members (40). I have. The support member (40) is, for example, a column-shaped member standing upright in a substantially vertical direction. The two support members (40) form a set to form the inflow side water flow unit (10) or the outflow side water flow unit (20). We support each.

  For example, two fixing members (50) are arranged between the support members (40) of each set so as to extend in a substantially horizontal direction. That is, for example, two parallel fixing members (50) are provided as a set between two support members (40) supporting the inflow-side flowing water unit (10). For example, two parallel fixing members (50) are provided as a set between the two support members (40) supporting the outflow-side flowing water unit (20).

  A water exchange pipe (30) for heat exchange is wound around these four fixing members (50) and is arranged and fixed in an orderly manner. The number of turns of the heat exchange water pipe (30) may be one or more. It is preferable that the heat exchange water pipes (30) wound around the fixing member (50) are stably fixed by fixing means (51) such as fixing hardware.

  One end (tip) of each heat exchange water pipe (30) is connected to the outlet (12) of the inflow side water unit (10) by the same connection member (31) as in the first embodiment. The other end (end) is connected to the inflow port (22) of the outflow-side flush unit (20).

  In the heat exchange device for waste heat recovery (1) according to the second embodiment having such a configuration, for example, a portion where the water exchange pipe for heat exchange (30) is wound around the fixing member (50) is used as waste water or the like. It is installed so as to be immersed. As a result, low-temperature water supplied from the outside flows into the inflow side water unit (10) from the inflow port (11), and the low-temperature water flows into the plurality of heat exchange water pipes (12) through the outflow port (12). 30) and pass through a heat exchange water pipe (30). At this time, heat is exchanged between the outside of the heat exchange water pipe (30) and the waste water or the like to be heated. Since the heat exchange water pipe (30) is stably fixed to the fixing member (50) as described above, the installation, collection, maintenance, etc. of the waste heat recovery heat exchange device (1) can be easily and easily performed. Can be done quickly.

  As described above, the heat exchange device for waste heat recovery (1) according to the first and second embodiments includes the low-temperature water in the heat exchange flow pipe that connects the inflow-side flow water unit and the outflow-side flow water unit. The water exchange pipe for heat exchange is installed so as to come into contact with waste water or groundwater, and the supplied low-temperature water exchanges heat with the waste water or groundwater to raise the temperature of the low-temperature water. Configuration. This configuration has the following advantages.

  First, there is the flexibility that the heat exchange capacity (such as the amount of hot water) can be arbitrarily set by adjusting the thickness and length of the heat exchange water pipe (30). For this reason, a required amount of hot water can be obtained without being limited by the volume of the main body of the heat exchanger for waste heat recovery (1).

  Secondly, since the low-temperature water flowing inside the apparatus can naturally exchange heat with the external waste water through the heat exchange water pipe (30), the foreign matter contained in the waste water as in the above-mentioned prior art can be obtained. Does not accumulate in the flowing water path and does not deteriorate the heat exchange function.

  Third, the heat exchange device for waste heat recovery (1) has a simplified overall structure and reduces unnecessary components, so that installation costs can be reduced.

  As described above, the preferred embodiments of the present invention have been described with reference to the accompanying drawings, but it is needless to say that the present invention is not limited to such examples. It is clear that a person skilled in the art can conceive various changes or modifications within the scope of the claims, and these naturally belong to the technical scope of the present invention. I understand.

It is a perspective view showing the heat exchange device for waste heat recovery concerning a 1st embodiment of the present invention. 1 is a partially cut-away plan view showing a heat exchange device for waste heat recovery according to a first embodiment of the present invention. It is a partially cutaway plan view showing a heat exchange device for waste heat recovery according to a modification of the first embodiment of the present invention. It is a partial expanded sectional view showing the heat exchanger for waste heat recovery concerning a 1st embodiment of the present invention. It is an explanatory view showing an embodiment of a heat exchanger for waste heat recovery concerning a 1st embodiment of the present invention. It is an explanatory view showing another embodiment of the heat exchanger for waste heat recovery concerning a 1st embodiment of the present invention. It is a perspective view showing the heat exchange device for waste heat recovery concerning a 2nd embodiment of the present invention.

Explanation of reference numerals

1: Heat exchange device for waste heat recovery 10: Inflow side water unit 10a: Running water space 11: Inlet (inlet side inlet)
12: Outlet (inlet side outlet)
20: Outflow side water unit 20a: Running water space 21: Outlet (outflow side outlet)
22: Inlet (outlet side inlet)
30: water exchange pipe for heat exchange 31: connecting member A: accordion pipe made of stainless steel 40: support member 50: fixing member

Claims (5)

An inflow side water unit to which low-temperature water to be heated is supplied;
An outflow side water unit for discharging the water to be heated;
At least one water exchange pipe for connecting the inflow side water unit and the outflow side water unit, which is in contact with a high-temperature heat source water outside, and through which the water to be heated flows inside;
A heat exchange device for waste heat recovery, comprising: The inflow-side flowing water unit has a substantially cylindrical shape, an inlet for the water to be heated is provided on one end face, and one end of the heat exchange water pipe is connected to the other end face. At least one outlet for the water to be heated is provided;
The outflow-side flowing water unit has a substantially cylindrical shape, an outlet of the water to be heated is provided on one end face, and the other end of the heat exchange water pipe is connected to the other end face. The heat exchange device for collecting waste heat according to claim 1, wherein at least one inlet for the water to be heated is provided. The inflow-side flowing water unit has a substantially pipe shape, an inlet for the water to be heated is provided on one side in the short direction, and the heat exchange water pipe is provided on the other side in the short direction. At least one outlet for the water to be heated to which one end is connected is provided;
The outflow-side flowing water unit has a substantially pipe shape, an outlet for the water to be heated is provided on one side in the short direction, and the heat exchange water pipe is provided on the other side in the short direction. The heat exchange device for waste heat recovery according to claim 1, wherein at least one inflow port of the water to be heated is connected to the other end. The inflow-side flowing water unit has a substantially pipe shape, an inlet for the water to be heated is provided on one side in the longitudinal direction, and the heat exchange water pipe is provided on one side in the short direction. At least one outlet for the water to be heated to which one end is connected is provided;
The outflow-side flowing water unit has a substantially pipe shape, an outlet for the water to be heated is provided on one side in the longitudinal direction, and the heat exchange water pipe is provided on one side in the short direction. At least one inlet for the water to be heated to which an end is connected is provided;
A plurality of support members for supporting the inflow-side water flow unit and the outflow-side water flow unit; and a plurality of fixing members disposed between the plurality of support members and fixing the heat exchange water pipe. The heat exchange device for waste heat recovery according to claim 1, wherein The waste heat recovery heat exchange device according to any one of claims 1, 2, 3, and 4, wherein the water exchange pipe for heat exchange is formed of an accordion pipe made of stainless steel.

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