KR200347516Y1 - Multistage plate type liquid waste heat exchanger - Google Patents

Abstract

The present invention saves energy consumed for heating and cooling by recovering the energy source of various hot water drain, condensate, ripe water, cooling water, cold water, etc. which are discharged after use in building and production facilities, and reusing it as water supply preheating and precooling source. Therefore, the present invention relates to a multi-stage plate type wastewater heat exchanger, which is an electrothermal system for the purpose of reducing the production cost and recovering the energy of the environmental pollutant.

The present invention has an even number of first and second heat transfer parts installed between a pair of fixed plates and a central diaphragm placed on both sides, a plurality of heat transfer tubes installed through the fixing plate and the diaphragm, and heat transfer tubes of the first and second heat transfer units. A plurality of induction side plates are installed on both sides of the upper and lower heat exchangers to be rotated at right angles, and the heat dissipation fluid inflow paths are formed at upper and lower positions of the first heat exchanger pipes. The first and second upper guide plate, the first and second lower guide plate, which is disposed under the lower heat transfer pipe of the first and second heat transfer part, and the guide bar is integrally installed in the opposite position before and after, The water supply unit is installed as a supply passage of the fluid into the heat transfer pipe and the water supply unit, which is integrally installed on one side of the other side fixed plate of the water supply unit and serves as a return passage of the fluid at the end of the heat transfer pipe It is made by providing.

Description

Multistage plate type liquid waste heat exchanger

The present invention is provided by various hot water drain, steam drain, over flow water, cooling water, chilled water, etc. By recovering the energy source and reusing it as water supply preheating and pre-cooling source, it saves energy consumed for heating and cooling, saving production cost and heat recovery system to reduce the emission of environmental pollutants. The present invention relates to a multi-stage plate wastewater heat exchanger.

The heat-dissipating fluid, which is the source of exhaust energy, was highly polluted and precipitated or corrosive fluid, which corrodes the heat pipe or blocks or scales the heat flow path, resulting in heat transfer failure, thereby rapidly reducing heat transfer efficiency.

In view of the characteristics of the heat-dissipating fluid, a stainless steel square tube having excellent mechanical properties even under high corrosion resistance and low temperature is used as a conventional wastewater heat exchanger using a narrow cross section, a wide width, and a long length. -0005325 No. Wastewater Heat Exchanger with Self-Cleaning Function, and `` Patent Application No. 2001-0054670 Named Wastewater Heat Recovery Machine Using Heat Exchanger of Wastewater Heat '', and `` Patent Application No. 2002-0007521 '' Waste heat recovery system by cross flow type heat exchanger ”has been proposed.

The prior art commonly used a square tube as a heat transfer tube, the heat-hydraulic fluid flowing through the inner flow path of the heat transfer pipe, the heat dissipation fluid flowing through the outer flow path of the heat transfer pipe flows in an orthogonal, counter-current or incense, co-current manner, the heat exchange is made, A pair of fixing plates constitute a single heat transfer portion, and the heat transfer tube having a narrow cross section and a long length and having a long length is inserted into and stacked in multiple stages to form a single flow path inside the heat transfer portion.

However, the conventional heat transfer tube has a width as the flow path formed therein is formed as a single flow path (1-pass) or 2-pass (2-pass) as well as the outer flow path of the heat transfer pipe is also formed as a single flow path (1-pass). The fluid circulating along the inner and outer flow paths of the wide and long heat pipes flows toward the center axis of the inlet and outlet with low pressure. Therefore, in the case of hydrothermal fluids, the flow rate gradually decreases toward both width directions of the heat pipes, so the fluid does not flow smoothly. It will form a dead water zone, a stagnant zone.

In addition, in the case of the heat-dissipating fluid, the flow velocity gradually decreases toward both sides of the heat transfer tube, thereby forming a shooter zone.

If such a catchment zone occurs in the inner and outer flow paths of the heat transfer pipe, the effective heat transfer area is reduced, and the heat transfer efficiency is drastically reduced. In particular, in the flow path of the heat dissipation fluid, deposits accumulate and corrode or scale the heat transfer fluid. Preventing the problem was causing a serious heat disorder.

Therefore, maximizing the effective heat transfer area of the heat pipe by preventing the formation of a catchment zone in the inner and outer flow paths of the wide and long heat pipe is the biggest factor that determines the performance of the wastewater heat exchanger.

On the other hand, prior art has been proposed to install a sedimentation tank at the bottom of the heat exchanger for the purpose of increasing the recovery rate of the double energy by preventing the heat transfer failure by the sediment, in this case, the outlet pipe of the heat dissipation fluid and the drain pipe of the sedimentation tank is separated As it is installed, the sediment accumulated in the sedimentation tank can be discharged through the drain pipe together with the washing water only during the washing, whereas in the operation of the heat exchanger, the sediment is stagnant and prevents the radiating fluid from flowing to the outlet side. It is a situation that causes a problem that results in forming another shooter.

The present invention is to solve the above problems, the inner flow path of the heat transfer pipe is formed in three or more passages (3-pass) according to the width of the heat transfer pipe by the flow rate of the hydrothermal fluid so that the hydrothermal fluid is three pass (3-pass) At the same time, the outer flow path of the heat transfer pipe is divided into a plurality of channels according to the length of the heat transfer pipe by the flow rate of the heat dissipation fluid, and the heat dissipation fluid is circulated downward in the heat dissipation flow path which is divided into a plurality of water discharge zones. The main purpose of the invention is to make it possible to maximize the heat transfer efficiency by preventing.

Another object of the present invention is to create an induction side plate alternately for each of the heat dissipation flow passages divided into a plurality of sides of the heat transfer pipe so that the heat dissipation fluid is reversely circulated horizontally by the natural convection method by the density difference from the top to the bottom, so that it is generated in the conventional single flow path. It is to prevent the shooter area to be improved to improve the heat transfer efficiency and at the same time to maintain a constant temperature distribution of the hydrothermal fluid to reverse circulation the inner flow path of the heat pipe.

In addition, another object of the present invention is to install a top guide plate formed with a dispersion member for evenly dissipating the heat-dissipating fluid in the upper portion of the upper heat exchanger tube for each of the plurality of heat dissipation flow passages divided into a plurality of dispersion members in the lower portion of the lower heat transfer tube Is formed and the guide plate is integrated to prevent the accumulation of sediment, so that the heat dissipation fluid is evenly distributed on both sides to prevent the formation of sandwater. To be able to provide.

In addition, another object of the present invention is to integrally install the outlet pipe of the heat dissipation fluid in the drain pipe installed in the lower portion of the guide receiver to be discharged to the outside at the same time as well as to discharge the heat dissipation fluid and sediment at the same time through the outlet pipe. High-density sediment is often discharged through the drain pipe so as to prevent the catchment area around the draw basin.

The present invention by achieving the above object can solve the conventional problem that the heat transfer efficiency is drastically reduced by preventing flow path blockage or scale generation caused by heat contamination fluid containing a lot of sediment and pollution, As the entire area of the multi-stacked heat pipes becomes effective heat transfer area by preventing the catchment zones generated in the inner and outer flow paths of the heat sink, the heat-dissipating fluid possessed by the heat-dissipating fluid is circulated in an orthogonal and countercurrent manner. By quickly recovering and reusing it as an energy source, it is possible to provide a wastewater heat exchanger that can reduce the amount of energy used and at the same time significantly reduce the emission of combustion pollutants.

Figure 1 is an exploded perspective view of an embodiment of the subject innovation reverse circulation wastewater heat exchanger

2 is an exploded perspective view of the first and second heat transfer parts of the present invention;

3 is a front sectional view showing the internal structure of the present invention;

Figure 4 is a side cross-sectional view showing the internal structure of the present invention,

(A) is a side cross-sectional view of the second heat transfer unit

(B) is sectional side view of first heat transfer part

5 is a cross-sectional plan view of the heat radiation fluid flow of the first and second upper guide plates of the present invention

6 is a cross-sectional plan view of the heat-dissipating fluid flow of the present invention even-layer heat pipe

7 is a plan view of the heat-dissipating fluid flow of the odd-layer heat pipe of the present invention

8 is a cross-sectional plan view of the heat dissipation fluid flow of the first and second lower guide plates of the present invention

9 is a perspective view of one embodiment of the present invention

10 is a cross-sectional view of the hydrothermal fluid flow of the odd-layer heat pipe of the present invention

11 is a plan view of the hydrothermal fluid flow of the even-bed heat pipe of the present invention

12 is an exploded perspective view of the present invention lower guide plate and the guide receiving

13 is an exploded perspective view of the heat transfer tube of the present invention

14 is a perspective view of another embodiment of the water supply of the present invention

15 is a cross-sectional view of a hydrothermal fluid flow of an odd layer heat pipe to which a water supply unit according to another embodiment of the present invention is applied;

16 is a cross-sectional view of the hydrothermal fluid flow of the even-layer heat pipe to which the water supply unit according to another embodiment of the present invention is applied.

17 is a cross-sectional plan view of the heat dissipation fluid flow of the upper circulating plate of the forward circulation wastewater heat exchanger according to another embodiment of the present invention

18 is a cross-sectional plan view of the heat radiation fluid flow of another embodiment of the present invention even-layer heat pipe

19 is a cross-sectional plan view of the heat-dissipating fluid flow of an odd-layer heat pipe of another embodiment of the present invention

20 is a cross-sectional view of the heat dissipation fluid flow of the lower guide plate according to another embodiment of the present invention

[Explanation of symbols on the main parts of the drawings]

10: first heat transfer portion 10a: second heat transfer portion

10b: third heat transfer portion 12: fixing plate

13: plate 17: heat dissipation fluid inlet pipe

20: heat pipe 21: the first sequence

22: the second sequence 23: the third sequence

24, 24a: heat radiation path 30: guide plate

40: first upper guide plate 40a: second upper guide plate

41: heat dissipation fluid inlet 42, 52: dispersion member

50: first lower guide plate 50a: second lower guide plate

51: guide plate 53: drain pipe

54: outlet pipe 60, 60a: water supply

61: first waterway 62: second waterway

63: third waterway 66: multiple waterway

70: return part

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

The present invention is characterized in that it is configured by dividing a single flow path of the conventional heat dissipation fluid to have a plurality of flow paths, the first and second heat transfer parts 10 having an even number of divided flow paths preferentially Looking at the configuration of the multi-stage plate-type wastewater heat exchanger (1) having a (10a) schematically shows an even number of first and second heat transfer parts (10) provided between a pair of fixed plates (12) placed on both sides and a diaphragm (13) in the center. 10a, a plurality of heat pipes 20 installed in multiple stages through the fixing plate 12 and the diaphragm 13, and on both sides of the heat transfer pipes 20 of the first and second heat transfer parts 10 and 10a. , Installed in a plurality of induction side plates 30 to be alternately installed in the lower alternating current to rotate the heat dissipation flow passage at right angles, and is disposed on the uppermost heat transfer pipes 20 of the first and second heat transfer parts 10 and 10a. After the first and second upper guide plates 40, 40a and the first and second heat transfer parts 10 and 10a having the heat dissipating fluid inflow path 41 formed at opposite positions, The first and second lower guide plates 50 and 50a which are disposed below the heat pipe 20 and installed in an opposite position before and after the heat pipe 20 are integrally installed on one side of the fixing plate 12. It is integrally installed on one side of the water supply unit 60 (60a) and the other side fixing plate 12 of the water supply unit 60 (60a) to serve as a supply passage of the fluid into the heat transfer tube (20). It can be seen that it is composed of a return portion 70 that serves as a return passage of the fluid at the end.

It will be described in more detail to enable the present invention made of the schematic configuration described above.

1 to 2 have an even number of flow paths, the heat dissipation fluid flowing into each flow path is an embodiment of a multi-stage plate type wastewater heat exchanger (1) of the downward reverse circulation flow in the opposite direction, respectively, The first and second heat transfer parts 10 and 10a of the body have a pair of fixing plates 12 formed with a plurality of heat pipe insertion grooves 11 formed in a vertical direction at regular intervals, and are divided equally between the fixing plates 12. The plate 13 is installed so that the upper plate 14 and the front and rear plates 15 and 16 are spoken on the upper and front and rear portions between the fixing plate 12 and the plate 13, while the upper plate 14 At the center of the heat dissipation fluid inlet tube 17 through which the heat dissipation fluid flows is integrally installed.

The plurality of heat transfer tubes 20 installed through the plurality of heat transfer tube insertion grooves 11 formed in multiple stages on the fixing plate 12 and the diaphragm 13 have a narrow cross-section and a length of a pair of squares in the center. The first sequence channel 21 is formed, and the second and third sequence channels 22 and 23 are integrally spoken on both sides of the first sequence channel 21.

Therefore, a plurality of heat dissipation passages 24 and 24a through which heat dissipation fluids can flow are formed between the heat transfer tubes 20 installed in the multi-stage, while the heat transfer tube 20 and the front and rear plates 15 and 16 are formed. ) Forms a certain space spaced by a certain distance.

Here, the fixing plate 12 fixes both ends of the heat transfer tube 20 without flow, and at the same time, separates the hydrothermal fluid and the heat dissipating fluid. The plates 13 installed between the fixing plates 12 are heat transfer tubes even at high pressure fluid. While supporting the heat transfer pipe 20 to sufficiently endure the 20, it serves as a partition plate for dividing the flow path of the heat-dissipating fluid into a plurality of pieces so as to prevent the heat transfer failure caused by the catcher's area.

The induction side plate 30, which guides the heat dissipation fluid to flow at right angles, prevents the heat dissipation fluid from being circulated to the lower portion of the heat transfer pipe 20. As shown in FIG. 10a is repeatedly installed on both sides of the heat transfer pipe 20 alternately, and the other side of the induction side plate 30 naturally forms a flow path 25 and 25a, while the induction side plate 30 is formed. A plurality of air pin holes 31 are formed in the upper surface.

The air pin hole 31 is guided to the upper layer to prevent the air injected into the heat dissipation fluid circulated downward in multiple stages along the heat dissipation passages 24 and 24a to stagnate under the induction side plate 30 to cause a heat transfer failure. Will be discharged to the outside.

Herein, the heat dissipation fluid flowing into the first and second heat transfer parts 10 and 10a is installed on the first and second heat transfer parts 10 and 10a so as to have a downward reverse circulation method that flows in opposite directions. 30 and the flow paths 25 and 25a are installed at positions opposite to each other so that the temperature distribution of the hydrothermal fluid flowing inside the heat pipe 20 is always maintained to improve heat transfer efficiency, and the top heat pipe 20 The induction side plate 30 installed in the heat dissipation fluid inflow path 41 is preferably disposed below.

The first and second upper guide plates 40 and 40a disposed on the uppermost heat transfer pipe 20 of the first and second heat transfer parts 10 and 10a are classified into a plurality of heat dissipating fluid inlet pipes 17. By inducing the reverse heat circulation flows along the heat radiating flow passages 24 and 24a divided into a plurality of heat dissipating fluids, and by securing a divided space spaced by a predetermined distance from each of the front and rear plates (15, 16) The divided space serves as a heat dissipation fluid inflow path 41, and the heat dissipation fluid inflow path 41 receives the heat dissipation fluid introduced through the first and second upper guide plates 40 and 40a of the heat transfer pipe 20. It serves as a return passage to be circulated downward to the induction side plate (30).

That is, the first and second heat transfer parts 10 and 10a have heat dissipation fluid inflow paths 41 formed at positions opposite to each other, and the first heat transfer part 10 has a front plate fixed to one side of the back plate 16. A heat dissipation fluid inflow path 41 is formed to be spaced apart by a predetermined distance (15), and the second heat transfer part 10a is spaced apart from the rear plate 16 by a predetermined distance with one side fixed to the front plate 15. The heat dissipation fluid inflow path 41 is formed.

In the center of the upper surface of the first and second upper guide plates 40 and 40a adjacent to the heat dissipation fluid inlet 41, a mountain-shaped dispersing member 42 gradually opening toward the heat dissipation fluid inlet 41 is provided. It is installed integrally. The dispersion member 42 evenly distributes the heat-dissipating fluid introduced through the heat-dissipating fluid inlet pipe 17 to both sides of the first and second upper guide plates 40 and 40a to form a catchment area easily generated at the inlet. Will be prevented.

The first and second lower guide plates 50 and 50a disposed under the lowermost heat transfer pipe 20 of the first and second heat transfer parts 10 and 10a are disposed at upper portions along the heat dissipation passages 24 and 24a. Induces the heat dissipating fluid that is dissipated while being reversely circulated in the lower part to be introduced into the induction receiving 51, and the induction receiving 51 is integrally installed at the opposite position before and after the heat dissipating fluid is introduced into each other in the opposite direction. 2 Lower guide plate 50, 50a and guide plate 51 is fixedly installed at the lower end of the front, rear plate 15, 16.

In the center of the upper surface of the first and second lower guide plates 50 and 50a adjacent to the guide receiver 51, a dispersion member 52 of a mountain type gradually opening toward the guide receiver 51 is integrally installed. . The dispersion member 52 evenly distributes the heat dissipation fluid that has completed the heat dissipation to both sides, thereby preventing stagnation of the fluid that is likely to occur at the outlet.

The induction receiving 51 is a heat exchanger for the purpose of improving the recovery rate of the double energy by preventing the heat transfer failure caused by the sedimentation by easily inclined sedimentation tank is deposited on the lower bottom surface of the heat exchanger. It is installed at the lower part of, but as the outlet pipe of the heat dissipation fluid and the drain pipe of the sedimentation tank are separately installed, the sediment accumulated in the sedimentation tank can be discharged through the drain pipe together with the washing water only during washing. It is to solve the problem that causes the heat dissipation disturbance caused by the creation of another dead zone by preventing the heat radiation fluid flows to the outlet side.

The induction receiver 51 of the present invention is connected to the drain pipe 53 in the lower side horizontally, and the outlet pipe 54 in which the heat dissipating fluid and the precipitate are simultaneously discharged at a predetermined position of the drain pipe 53. It is installed upright. Therefore, regardless of washing, the coagulation of sediment even during operation as well as always flows with the outlet side fluid of the heat dissipation fluid to discharge the heat dissipation fluid and sediment at the same time through the outlet pipe (54) via the drain pipe (53) And, some of the high concentration precipitate is discharged from time to time through the drain pipe 53 to prevent heat transfer due to the stagnation of the fluid.

On the other hand, the water supply unit 60 is integrally installed on one side of the fixing plate 12 has a plurality of first water supply passage 61 in communication with the heat transfer pipe 20 is formed in multiple stages in the center and the first water supply passage 61 A plurality of second and third water supply channels 62 and 63 are formed in multiple stages on both sides of the), and a hydrothermal fluid inlet and an outlet pipe in which the hydrothermal fluid enters and exits the upper and lower ends of the first water supply channel 61. 64 and 65 are respectively installed

In addition, the return unit 70 integrally installed on one side of the other side fixing plate 12 of the water supply unit 60 serves as a return passage of the hydrothermal fluid, a plurality of first, Two return channels 71 and 72 are formed in multiple stages.

The heat exchange process according to the present invention having such a configuration will be described.

First of all, the heat-dissipating fluid essentially prevents the formation of the catchment area by heat-exchanging while circulating the plurality of equally divided first and second heat-transfer parts 10 and 10a in the reverse direction in opposite directions to each other. The heat dissipation fluid introduced through the heat dissipation fluid inlet pipe 17 is guided to the heat dissipation fluid inlet 41 by the first and second upper guide plates 40 and 40 a, and then the heat dissipation passage by the induction side plate 30. (24) (24a) and flows downward through the flow passage (25) (25a) while agglomerated into the guide 51 through the first and second lower guide plates (50) (50a) and then the outlet pipe ( Through 54).

That is, according to the present invention, as the heat dissipation fluid flows independently through the first and second heat transfer parts 10 and 10a divided into a plurality of parts, the heat generation flows through the inside of the heat transfer pipe 20 while preventing the formation of the catchment area. The temperature distribution of the fluid is kept constant to improve the heat transfer efficiency.

On the other hand, the flow of the hydrothermal fluid has a different flow state between the heat transfer pipe 20 of the odd and even layers of the plurality of heat transfer pipes 20 installed in multiple stages, the hydrothermal fluid passing through the inside of the odd-layer heat pipe 20 10 to 11 return to the first water supply passage 61 of the water supply unit 60, the first and second return of the return unit 70 via the first water supply passage 21 of the heat transfer pipe 20 While flowing into the second and third water supply passages 62 and 63 of the water supply unit 60 via the furnaces 71 and 72 and the second and third hydrothermal furnaces 22 and 23,

The hydrothermal fluid passing through the interior of the even-numbered heat pipe 20 is introduced into the second and third water supply paths 62 and 63 of the water supply unit 60, and then the second and third heat paths 22 of the heat transfer pipe 20 are formed. Inflow into the first water supply passage 61 of the water supply portion 60 via the first and second water return passages 71 and 72 and the first water passage 21 of the return portion 70 via the 23. do.

Accordingly, the hydrothermal fluid introduced through the hydrothermal fluid inlet pipe 64 at the lower end of the first water supply passage 61 of the water supply unit 60 repeatedly flows along the inside of the odd-numbered and even-layer heat pipes 20. While performing as a heat exchange through the hydrothermal fluid discharge pipe 65 of the upper end of the first water supply passage 61 can be withdrawn to the outside.

The hydrothermal fluid of the present invention is able to maximize the heat transfer efficiency by increasing the effective heat transfer area of the entire area of the heat transfer pipe 20 by fundamentally preventing the occurrence of the catchment zone due to pressure loss while reversely circulating the flow path over three euros or more. do.

On the other hand, Figure 14 is another embodiment of the water supply unit 60a of the present invention to allow the hydrothermal fluid to reverse the circulation path upward, a plurality of second, 3 on both sides of the first water supply passage 61 formed in the middle Water supply passages 62 and 63 are formed, and a complex water supply passage 66 is formed to be adjacent to upper and lower ends of the first water supply passage 61 and the third water supply passage 63. The upper and lower portions of the hydrothermal fluid inlet and outlet pipes 64 and 65 for inlet and outlet of the hydrothermal fluid are integrally installed.

The hydrothermal fluid flow by the water supply unit 60a is a complex water supply path 66 or a third water supply unit 60a in the case of the hydrothermal fluid passing through the inside of the odd layer heat transfer pipe 20 as shown in FIGS. 15 to 16. The first water supply flows through the third water supply passage 63 and then through the third water supply passage 23 of the heat transfer pipe 20 and the second water return passage 72 and the first water supply passage 21 of the return portion 70. The hydrothermal fluid introduced into the furnace 61 and introduced into the first water supply passage 61 is the first first water reactor 71 and the second water reactor of the other adjacent first water reactor 21 and the return unit 70. It flows into the 2nd water supply path 62 via the 22.

In addition, the hydrothermal fluid passing through the even-layer heat pipe 20 is introduced into the second water supply passage 62 of the water supply unit 60a, and then the second heat passage 22 and the return unit 70 of the heat transfer tube 20 are provided. The hydrothermal fluid introduced into the first water supply passage 61 via the first water return passage 71 and the first water passage 21 of the first water supply passage 61 is adjacent to another adjacent first water sequence passage. (21) and the second water supply passage 72 and the third water supply passage 23 of the return portion 70 flows into the third water supply passage 63 and the complex water supply passage 66.

17 to 20 illustrate a multi-stage plate type wastewater heat exchanger having an odd number of first, second and third heat transfer parts 10, 10a, and 10b having an odd number of split passages. 1a), a plurality of diaphragms 13 are provided in equal numbers between a pair of fixing plates 12 placed on both sides, and an odd number of first, second and third lines between the fixing plates 12 and the diaphragm 13 The parts 10, 10a, and 10b are installed, respectively, while the heat-dissipating fluid flowing into the first, second, and third heat transfer parts 10, 10a, and 10b performs a heat exchange operation while circulating in the same direction. .

That is, each of the first, second, and third heat transfer parts 10, 10a, and 10b is disposed at the same position without the heat dissipation fluid inflow path 41, the guide plate 30, and the guide plate 51 being opposed to each other. The heat-dissipating fluid installed in the first, second, and third heat transfer parts 10, 10a, and 10b to be divided into equal parts may be forward-circulated in the same direction.

As a result, the present invention can be divided into a plurality of heat transfer parts according to the overall length of the heat transfer tube 20, but in the case of an even number of heat transfer parts, the heat dissipation fluid takes a reverse circulation method, while the heat transfer parts are in an odd number In the present invention, the fluid takes the forward circulation method, but the heat transfer part is implemented as two or three, but the present invention is not limited thereto, and may be performed in various numbers, and the number of the heat transfer parts may be different from that of the present invention. You will not be able to escape.

The present invention recovers the energy source of various heat-dissipating fluids and reuses them as water supply preheating and precooling source, which saves energy consumption due to heating and cooling, as well as reducing production cost and significantly reducing the amount of environmental pollutants. Will be.

In addition, as a detailed effect, the hydrothermal fluid flowing through the heat pipe is reversely circulated upward in three or more flow paths, thereby preventing the formation of a catchment zone due to pressure loss, thereby significantly improving the heat transfer efficiency.

In addition, the heat dissipation fluid flowing through the outside of the heat transfer pipe is reversely circulated downward in the heat dissipation flow path divided into equal parts. It is possible to provide an improved effect.

Claims (7)

Between the pair of fixing plates 12 placed on both sides, a plurality of plates 13 are installed in the plurality, and the upper plate 14 and the front and rear plates 15 between the fixing plate 12 and the plate 13 at the upper and front and rear surfaces. 16 and the top plate 14 has an even number of first and second heat transfer parts 10, 10a provided with a heat dissipation fluid inlet pipe 17; The second and third sequence passages 22 (2) are provided at both sides of the pair of first sequence passages 21 formed in the center and penetrating through the plurality of heat pipe insertion grooves 11 formed in the fixing plate 12 and the diaphragm 13 ( A plurality of heat transfer tubes 20 of which the square 23 is spoken; A plurality of induction side plates are installed on both sides of the heat transfer pipe 20 of the first and second heat transfer parts 10 and 10a alternately in an up and down direction to guide the heat dissipation flow to flow back and the air fin hole 31 is formed on the upper surface. 30; The heat dissipating fluid inflow path 41 is disposed on the uppermost heat transfer pipe 20 of the first and second heat transfer parts 10 and 10a and spaced apart from the front and rear plates 15 and 16 by a predetermined distance. First and second upper guide plates 40 and 40a formed at a center of the upper surface adjacent to the heat dissipation fluid inlet 41 and having a dispersing member 42 disposed therein to disperse the heat dissipation fluid; The guide bar 51 is disposed below the lower heat transfer pipe 20 of the first and second heat transfer parts 10 and 10a and integrally installed at the opposite positions before and after the center of the upper surface adjacent to the guide bar 51. First and second lower guide plates 50 and 50a provided with a dispersing member 52 for dispersing a heat dissipating fluid therein; A plurality of first water supply passages 61 are integrally installed on one side of the fixing plate 12 and communicated with the heat transfer tube 20 in the center, and are formed in multiple stages. A water supply part 60 (60a) in which the third water supply paths 62 and 63 are formed in multiple stages; The water supply unit 70 is formed integrally on one side of the other side fixing plate 12 of the water supply unit 60 (60a) and a plurality of first and second return passages 71 and 72 in communication with the heat transfer pipe 20. Multi-stage plate wastewater heat exchanger, characterized in that consisting of. The method according to claim 1, The induction side plate 30 provided at one side of the top heat exchanger tube 20 of the first and second heat transfer parts 10 and 10a is disposed below the heat dissipation fluid inflow path 41 and the flow path is located at the other side of the induction side plate 30. (25) and (25a) are formed, the heat dissipating fluid introduced into the first and second heat transfer parts (10) (10a), respectively, multi-stage plate type wastewater heat exchanger, characterized in that configured in a reverse circulation flow in the opposite direction . The method according to claim 1, The drain pipe 53 is horizontally connected to the lower side of the guide receiver 51, and the outlet pipe 54 for simultaneously discharging the heat-dissipating fluid and the sediment at the predetermined position of the drain pipe 53 is integrally installed. Multi-stage plate wastewater heat exchanger. The method according to claim 1, The hydrothermal fluid passing through the inside of the odd-numbered heat transfer tube 20 flows into the first water supply passage 61 of the water supply unit 60 and then passes through the first heat transfer passage 21 of the heat transfer tube 20. The second and third water supply passages 62 and 63 of the water supply unit 60 via the first and second return passages 71 and 72 and the second and third sequence passages 22 and 23. Meanwhile, The hydrothermal fluid passing through the interior of the even-numbered heat pipe 20 is introduced into the second and third water supply paths 62 and 63 of the water supply unit 60, and then the second and third heat paths 22 of the heat transfer pipe 20 are formed. Inflow into the first water supply passage 61 of the water supply portion 60 via the first and second water return passages 71 and 72 and the first water passage 21 of the return portion 70 via the 23. The hydrothermal fluid introduced through the hydrothermal fluid inlet pipe 64 at the lower end of the first water supply passage 61 of the water supply unit 60 undergoes heat exchange while repeatedly performing the process. Multi-stage plate-type wastewater heat exchanger characterized in that it is withdrawn through the fluid outlet pipe (65). The method according to claim 1, The water supply part 60a is provided with a pair of complex water supply passages 66 adjacent to the upper and lower ends of the first water supply passage 61 and the third water supply passage 63, and the upper portion of the complex water supply passage 66, Multi-stage plate-type wastewater heat exchanger, characterized in that the hydrothermal fluid inlet, outlet pipe 64, 65 is formed at the bottom. The method according to claim 1 or 5, The hydrothermal fluid passing through the inside of the odd-numbered heat transfer tube 20 is introduced into the complex water supply passage 66 or the third water supply passage 63 of the water supply unit 60a, and then the third water passage 23 of the heat transfer tube 20. And a hydrothermal fluid introduced into the first water supply passage 61 through the second water return passage 72 and the first hydrothermal passage 21 of the return portion 70, and the hydrothermal fluid introduced into the first water supply passage 61 is adjacent to each other. While flowing into the second water supply path 62 via the first first water passage 21 and the first water return passage 71 and the second water passage 22 of the return portion 70, The hydrothermal fluid passing through the interior of the even-numbered heat transfer tube 20 flows into the second water supply passage 62 of the water supply portion 60a and then the second heat transfer passage 22 and the return portion 70 of the heat transfer tube 20. The hydrothermal fluid introduced into the first water supply passage 61 via the first return passage 71 and the first water passage 21 and introduced into the first water supply passage 61 is connected to another adjacent first water passage ( 21) and the multi-stage plate type, which is introduced into the third water supply passage 63 and the complex water supply passage 66 via the second water return passage 72 and the third water passage 23 of the return portion 70; Wastewater heat exchanger. The method according to claim 1, A plurality of diaphragms 13 are installed between the pair of fixed plates 12 placed on both sides, and an odd number of first, second and third heat transfer parts 10 and 10a are disposed between the fixed plate 12 and the diaphragm 13. 10b is installed, the heat dissipation fluid introduced into each of the first, second and third heat transfer parts 10, 10a and 10b is a multi-stage plate type, characterized in that configured in a forward circulation flow in the same direction Wastewater heat exchanger.