KR102169154B1 - Heat exchager using multi-coil type tube - Google Patents

Abstract

According to the present invention, disclosed is a heat exchanger using a multi-coil type tube which comprises: a housing having upper and lower covers, and a circulation port, through which a heat medium is discharged, at one side thereof; a heat medium tube for supplying the heat medium thereinto while penetrating the housing; a plurality of coil type tubes sequentially arranged while being formed in a coil shape on the outside of the heat medium tube; an upper cap forming an upper chamber while covering the upper cover, and having an inlet communicating with the upper chamber; and a lower cap forming the lower chamber while covering the lower cover, and having an outlet communicating with the lower chamber. In the heat exchanger for exchanging heat between the heat medium in the housing and LNG passing through the coil type tubes, each of the coil type tubes is compressed in a vertical direction and is bonded to each other to be formed in a cylindrical shape. According to the present invention, the flow of the heating medium can be guided without a separate chamber partitioning wall.

Description

Heat exchanger using multi-coil type tube {Heat exchager using multi-coil type tube}

The present invention relates to a heat exchanger, and more particularly, to a heat exchanger using a multi-coil tube capable of heating, cooling, vaporizing or liquefying a working fluid through heat exchange between a working fluid flowing through a plurality of overlapping coiled tubes and a heat medium. About.

Natural gas (NG), a low-pollution energy source that is widely used in real life, is very bulky at room temperature, making it difficult to transport and store. Therefore, to facilitate storage and transport, it is converted into liquefied natural gas (hereinafter referred to as LNG), which is in a cryogenic liquefied state, occupying only 1/600 of the volume of gas, and transported and stored.

Since liquefied natural gas is in a liquefied state, it cannot be used immediately, so a vaporizer that converts it into gaseous natural gas through heat exchange is required.

Two substances exist inside the vaporizer. In the case of LNG, heat is supplied to evaporate, and in the case of the heat medium flowing through the heater tube, heat is taken away and liquefied or the temperature decreases. The temperature of LNG is about -163°C, and steam or hot water can be used mainly as a heat medium. In the case of hot water, glycol propylene is mixed.

Including such a vaporizer, heat exchangers using heat exchange are used in all fields of industry. The heat exchanger is used not only for vaporizing liquid, but also for heating, cooling, or liquefying the working fluid.

In most of the heat exchangers, the key is to increase the contact area and contact time so that heat exchange between the heat medium and the working fluid occurs actively so that heat exchange occurs in a short time.

For this purpose, as in the prior art below, a tube through which the working fluid flows is installed in a spiral, coil, or spiral shape, and heat exchange is performed while passing the heat medium to the outside of the tube.

At this time, various attempts have been made to improve heat exchange efficiency by variously deforming the shape of the tube or by overlapping one or more coiled tubes in a radial direction.

However, in the case of the prior art, even if the tube is tightly wound in a coil shape, since there is a gap between the tubes, it is inevitable to have a structure in which a space divided by a separate partition wall is made and each tube is accommodated in each space.

This complicates the structure of the heat exchanger and has a problem of increasing the scale and weight in order to handle a relatively large capacity.

In addition, there is a problem in that the heat exchange tube is damaged or damaged when used for a long period of time due to external vibrations or shocks such as ships.

In addition, there has been a demand for structural changes to improve heat exchange efficiency.

Republic of Korea Patent Laid-Open Patent 10-2016-0139530 (2016.12.7.) "Heat exchanger equipped with a baffle and a spacing plate" Republic of Korea Patent Publication 10-2016-0139528 (2016.12.7.) "Pluggable spiral flow type heat exchanger" Korean Patent Registration 10-1723461 (2017.3.30.) "Double tube heat exchanger using airflow arrangement method of gas and liquid" Korean Patent Registration 10-1723458 (2017.3.30.) "Heat exchanger using multi-chamber circulation method"

Accordingly, the present invention is to solve the above-described problems, and an object of the present invention is to have a structure in which one or more coil-type tubes are superimposed, but the tubes are in close contact with each other, and thus It is to provide a heat exchanger using a multi-coil type tube that can guide the flow.

Another object of the present invention is to provide a heat exchanger using a multi-coil type tube that can prevent the tube from being damaged or damaged by external or internal vibration or impact, such as a ship.

Another object of the present invention is to provide a heat exchanger using a multi-coil type tube having a structure capable of simultaneously heat-exchanging one or more working fluids.

The heat exchanger using a multi-coil type tube according to the present invention for achieving the above object includes a housing having an upper cover and a lower cover, and a circulation port through which a heat medium is discharged, and supplying a heat medium therein while passing through the housing. A heat medium pipe, a plurality of coil-type tubes sequentially arranged in a coil shape on the outside of the heat medium pipe, and an upper cap forming an upper chamber while covering the upper cover and having an inlet communicating with the upper chamber, A heat exchanger comprising a lower cap that forms a lower chamber while covering the lower cover and has an outlet communicating with the lower chamber, and allows heat exchange between the heat medium in the housing and the LNG passing through the coiled tube. In this case, each of the coiled tubes may be compressed in a vertical direction and bonded to each other to have a cylindrical shape.

A heat exchanger using a multi-coil tube according to another embodiment of the present invention includes a housing having an upper cover and a lower cover, and a circulation hole through which a heat medium is discharged, and a heat medium pipe that passes through the housing and supplies a heat medium therein. , A plurality of coiled tubes sequentially arranged while forming a coil shape on the outside of the heat medium pipe, an upper cap forming an upper chamber while covering the upper cover, and a lower cap forming a lower chamber while covering the lower cover In a heat exchanger for heat exchange between the heat medium in the housing and the working fluid passing through the coiled tube, each of the coiled tubes is compressed in a vertical direction and joined to each other to form a cylindrical shape, An upper baffle for dividing the upper chamber into an inlet chamber and an outlet chamber may be formed inside the upper chamber, and an inlet port and an outlet port communicating with the inlet chamber and the discharge chamber may be formed in the upper cap.

A heat exchanger using a multi-coil type tube according to another embodiment of the present invention includes a housing having an upper cover and a lower cover, and a circulation hole through which a heat medium is discharged, and a heat medium pipe that passes through the housing and supplies a heat medium therein. And, a plurality of coiled tubes sequentially arranged in a coil shape on the outside of the heat transfer tube, an upper cap forming an upper chamber while covering the upper cover, and a lower part forming a lower chamber while covering the lower cover In a heat exchanger comprising a cap and allowing heat exchange between the heat medium in the housing and the working fluid passing through the coiled tube, each of the coiled tubes is compressed in a vertical direction and joined to each other to form a cylindrical shape. , A first upper baffle, a second upper baffle, and a third upper baffle that divide the upper chamber into a first inlet chamber, an inlet chamber, a discharge chamber, and a second inlet chamber are formed inside the upper chamber, and the upper cap A first inlet, an inlet, an outlet, and a second inlet are formed in the first inlet chamber, the inlet chamber, the outlet chamber, and the second inlet chamber, respectively, and the lower chamber is formed inside the lower chamber. , A first lower baffle and a second lower baffle divided into a return chamber and a second discharge chamber are formed, and a first discharge port and a second discharge port respectively communicating with the first discharge chamber and the second discharge chamber are formed in the lower cap. Can be formed.

Here, each of the coiled tubes may have a structure in which a plurality of coiled tubes having the same inner diameter overlap each other, and each of the overlapped coiled tubes is bonded to each other to form a cylindrical coiled tube body.

In addition, the coil-type tube body may be disposed to be spaced apart from each other in the order of a first coil-type tube body, a second coil-type tube body, and a third coil-type tube body from the heat transfer tube.

In addition, the heat medium pipe passes through the center of the housing, the upper end thereof is opened to allow the heat medium to flow in, and the other end is sealed, but at least one supply port is formed on the side of the heat medium pipe so that the introduced heat medium may be supplied to the inside of the housing.

In addition, an upper baffle for partitioning the upper chamber may be formed inside the upper chamber, and a lower baffle for partitioning the lower chamber may be formed inside the lower chamber.

Meanwhile, a first blocking wall is formed at a lower portion of the first coil-type tube body to block a gap formed between the lower end of the first coil-type tube body and the lower cover, and the second coil-type tube body has the A second blocking wall is formed to block the gap formed between the upper end and the upper cover of the second coiled tube body, and at the lower portion of the third coiled tube body, between the lower end and the lower cover of the third coiled tube body A third blocking wall is formed to block the formed gap, so that the heat medium discharged to the supply port flows upward along between the heat medium pipe and the first coil-type tube body, and the first coil-type tube body and the second coil-type tube It flows downward between sieves, flows upwardly between the second coil-type tube body and the third coil-type tube body, flows downward between the third coil-type tube body and the inner surface of the housing, and then discharges to the circulation port.

At this time, each of the first, second, and third coil-type tubes is arranged to have different spiral directions to induce a eddy current of the heating medium to rise or fall, thereby maximizing heat exchange efficiency.

Alternatively, each of the first, second, and third coil-type tubes may have a structure in which a coil-type heater provided in a coil shape is inserted between overlapping coil-type tubes.

According to the present invention described above, there are the following effects.

First, since the coiled tube is pressed and bonded to have a cylindrical structure, there is no need to divide the inside of the housing into a separate space. That is, the structure of the heat exchanger is simplified, the size can be reduced, and the manufacturing cost is also reduced.

Second, since the coiled tubes are arranged in different spiral directions, the rising or falling heat medium forms a eddy current, thereby maximizing heat exchange performance and achieving uniform heat exchange throughout to save energy.

Third, it is possible to heat-exchange more than one working fluid at the same time.

Fourth, since each coil-type tube body is bonded to each other and has an integral structure, it is fixed between the upper cover and the lower cover coupled to the heat transfer tube, so that damage or damage from external or internal vibrations and impacts is prevented.

1 is a perspective view showing the appearance of a heat exchanger using a multi-coil tube according to an embodiment of the present invention
Figure 2 is a longitudinal sectional perspective view of the present invention shown in Figure 1
3 is an exploded view of the coiled tube of the present invention shown in FIG. 2
Figure 4 is a plan view of the coil-type tube body of the present invention shown in Figure 2
Figure 5 is an operating state diagram of the present invention
6 is a perspective view of the upper chamber of the present invention
7 is a perspective view showing a coil heater of the present invention
8 is a longitudinal sectional perspective view showing another embodiment of the present invention
9 is an operating state diagram of the present invention shown in FIG.
10 is a longitudinal sectional perspective view showing another embodiment of the present invention
11 is an operating state diagram of the present invention shown in FIG. 10

Hereinafter, an embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

For reference, the description with reference to the drawings is for easier understanding of the present invention, and the scope of the present invention is not limited thereto. Further, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, a detailed description will be omitted.

1 is a perspective view showing the appearance of a heat exchanger using a multi-coil type tube according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional perspective view of the present invention shown in FIG. 1.

Referring to the diagram, the present invention may be configured to include a housing 100, a heat medium pipe 200, a coiled tube 300, an upper cap 400 and a lower cap 500, and a barrier wall 600. have.

First, the housing 100 will be described.

The housing 100 is a hollow cylinder with an empty inside so that heat exchange can occur therein. And the upper and lower portions of the housing 100 are sealed with an upper cover 110 and a lower cover 120, respectively. The upper cover 110 and the lower cover 120 may have a structure capable of being fastened or disassembled, respectively.

In addition, a circulation port 130 is formed on one side of the housing 100 so that the internal heat medium is discharged and circulated.

For reference, the housing 100 preferably has a structure in which an insulating material (not shown) is attached to minimize heat dissipation to the outside.

Next, the heating medium pipe 200 will be described.

The heat medium pipe 200 is a pipe for supplying the heat medium into the housing 100 and has a circular tube shape.

In addition, the heat medium pipe 200 is inserted and received through the center of the housing 100 vertically.

At this time, the upper end of the heat medium pipe 200 is opened to allow the heat medium to flow in, while the lower end has a closed structure.

So, in order to supply the heat medium introduced to the upper end of the heat medium pipe 200 to the housing 100, a supply port 210 is formed on the side of the heat medium pipe 200. One or more supply ports 210 may be formed.

It is preferable that the supply port 210 is formed under the heat medium pipe 200 so that the heat medium is first supplied to the lower portion of the housing 100 and then rises.

For reference, since the heat medium pipe is a structure in which the upper cover and the lower cover are fixed and coil-type tubes are installed and fixed therebetween, the overall distance between the upper cover and the lower cover is maintained to damage the coil-type tube from vibration and shock. Can be prevented.

Next, the coiled tube 300 will be described with reference to FIGS. 3, 4 and 5 together.

3 is an exploded view of the coil-type tube of the present invention shown in Figure 2, Figure 4 is a plan view of the coil-type tube body of the present invention shown in Figure 2, Figure 5 is an operating state diagram of the present invention.

The coiled tube 300 has a shape in which a linear tube is wound in a spiral shape, and a working fluid flows in at one end of the tube inlet 300_in, and flows out to the other end of the tube outlet 300_out.

The coiled tube 300 is installed around the outer periphery of the heat medium tube 200. That is, it is installed concentrically with the heat medium pipe 200 in the center.

In this case, only one coiled tube 300 may be installed, but a plurality of coiled tubes 300 may be provided sequentially in a radial direction. That is, a plurality of coil-type tubes 300 having different inner diameters may be arranged in the order of small inner diameters around the heat medium pipe 200.

For example, as shown in FIG. 2, three coiled tubes 300 may be provided.

That is, three of the first coil type tube 310, the second coil type tube 320, and the third coil type tube 330 may be arranged to be spaced apart from each other from an order close to the heat medium tube 200. .

At this time, each of the coiled tubes 300 has a cylindrical shape without gap by bonding to each other in a state of being compressed in the vertical direction.

This can use a tube welding method, specifically a brazing welding, arc welding method, etc. in a state where the coiled tube 300 is pressed up and down. Of course, another method, for example, a method of tying in the longitudinal direction using a wire or a steel band may be used, but is not limited thereto.

In this way, since the coiled tubes 300 are bonded to each other to form a cylindrical shape, there is no need for a partition wall structure dividing the interior of the housing 100 in order to accommodate each coiled tube 300 in a separate space. This is because the coiled tube 300 itself serves as a partition wall.

Therefore, the heat medium cannot pass through the side surface of the coiled tube 300.

In addition, each coil-shaped tube 300 may be a coil-shaped tube body 300A having a structure in which a plurality of coil-shaped tubes 300 having the same inner diameter overlap each other, as shown in FIG. 3. That is, each coil-shaped tube body may serve as a baffle.

Also at this time, each coil-shaped tube 300 has a structure in which each coil-type tube 300 is compressed and bonded to each other. This is to increase the tube inlet (300_in) and the tube outlet (300_out) through which the working fluid is introduced and discharged to inject a large amount of working fluid at once to heat exchange.

3 shows one coiled tube body 310A, 320A by overlapping eight coiled tubes 310-1 to 310-8, 320-1 to 320-8, and 330-1 to 330-8. , 330A).

Accordingly, since one coil-type tube body 300A has a plurality of working fluid tube inlets 300_in and tube outlets 300_out, a large amount of working fluid can be introduced and discharged at once.

In this way, a plurality of the first coil-type tubes 310 are overlapped to form a first coil-type tube body 310A, and a plurality of the second coil-type tubes 320 are overlapped to form a second coil-type tube body 320A. , A plurality of third coil-type tubes 330 may be overlapped to form a third coil-type tube body 330A.

Meanwhile, each of the coiled tubular bodies 300A may be arranged to have different helical directions as shown in FIG. 4.

In other words, each coil-shaped tube body 300A may have a structure in which the coil-shaped tube bodies 300A are alternately wound in different spiral directions. That is, the odd-numbered coiled tube body may be formed in a clockwise direction, and the even-numbered coiled tube body may be formed in a counterclockwise direction.

For example, as shown, when the first coil-type tube body 310A is wound in a clockwise direction, the second coil-type tube body 320A is counterclockwise, and the third coil-type tube body 330A is You can have a structure that draws a spiral in a clockwise direction again.

Due to this structure, the heat medium flowing between each coil-type tube body generates eddy currents along the formed spiral, so that uniform heat exchange occurs between the heat medium and the working fluid, thereby increasing heat exchange efficiency.

On the other hand, it is preferable to further include a blocking wall 600 to guide the heat medium supplied through the heat medium pipe 200 to sequentially pass between the coiled tube bodies.

That is, the coiled tube body 300A positioned at odd number from the inside of the coiled tube body 300A has a barrier wall 600 between the lower end and the lower cover 120, and the coiled tube body positioned at even numbered The sieve (300A) is provided with a blocking wall (600) between the top and the upper cover (110).

Since the blocking wall 600 is attached to the end of the coil-shaped tube body 300A and has an extended shape, it may have a circular tube shape.

For example, a first blocking wall 610 that blocks a gap formed between the lower end of the first coiled tube body 310A and the lower cover 120 is disposed under the first coiled tube body 310A. Is attached, and a second blocking wall 620 that blocks the gap formed between the upper end of the second coiled tube body 320A and the upper cover 110 is attached to the upper portion of the second coiled tube body 320A In addition, a third blocking wall 630 that blocks the gap formed between the lower end of the third coiled tube body 330A and the lower cover 120 may be attached to the lower portion of the third coiled tube body 330A. I can.

Accordingly, as shown in FIG. 5, the heat medium supplied through the supply port 210 initially flows upward along the heat medium pipe 200 and the first coil-type tube body 310A, and then the first It flows downward between the coil-type tube body 310A and the second coil-type tube body 320A, and flows upwardly between the second coil-type tube body 320A and the third coil-type tube body 330A, and After flowing downward between the three-coil tube body 330A and the inner surface of the housing 100, it is discharged through the circulation port 130.

As the heat medium flows through such a path, the contact area and the contact time with each coil-type tube body 300A increase, thereby increasing heat exchange efficiency.

Next, the upper cap 400 and the lower cap 500 will be described.

The upper cap 400 covers the upper portion of the housing 100 and is coupled to the upper cover 110. An upper chamber 420 is formed between the upper cap 400 and the upper cover 110.

Likewise, the lower cap 500 covers the lower portion of the housing 100 and is coupled to the lower cover 120. A lower chamber 520 is formed between the lower cap 500 and the lower cover 120.

At this time, the upper cap 400 has an inlet port 410 that communicates with the upper chamber 420 and through which the working fluid can be introduced, and the lower cap 500 communicates with the lower chamber 520 and operates. An outlet 510 through which fluid can be discharged is formed.

Here, at least one inlet 410 and an outlet 510 may be formed.

In the present invention, the upper chamber 420 and the lower chamber 520 may be partitioned by baffles such that one or more spaces are formed. 6 is a perspective view of the upper chamber of the present invention.

To this end, an upper baffle 430 having a partition wall shape is provided inside the upper chamber 420 to divide the upper chamber 420 into several spaces, and a lower baffle 530 is also inside the lower chamber 520. ) Is provided to divide the lower chamber 520 into several spaces.

One or more of the upper baffle 430 and the lower baffle 530 may each be provided to divide the upper chamber 420 and the lower chamber 520.

For example, as shown, a first upper baffle 431, a second upper baffle 432, and a third upper baffle 433 are formed in the upper chamber 420, so that the first upper chamber 421 ), a second upper chamber 422, a third upper chamber 424, and a fourth upper chamber 424.

Similarly, by forming a first lower baffle 531, a second lower baffle 532, and a third lower baffle 533 inside the lower chamber 520, the first lower chamber 521 and the second lower chamber ( It can be divided into 522, a third lower chamber 523, and a fourth lower chamber 524.

In addition, the first, second, third, and fourth upper chambers 421, 422, 423, and 424 may have first, second, third, and fourth inlets (411. 412. 413. 414) formed, respectively, and the first, second, third, and fourth upper chambers 421, 422, 423, and 424, respectively. 1st, 2nd, 3rd, and 4th discharge ports 511. 512. 513. 514 may be formed in the 1st, 2nd, 3rd, 4th lower chambers 521, 522. 523. 524, respectively.

Accordingly, the working fluid can be introduced and discharged into each of the partitioned chambers.

The upper baffle 430 and the lower baffle 530 control the flow of the incoming working fluid. Specifically, it functions as a buffer to stabilize the incoming working fluid and prevent vibration, so that the inflow and outflow of the working fluid through the tube inlet 300_in of each coiled tube 300 is smooth.

In addition, since the tube inlet 300_in and the tube outlet 300_out of different coil-type tubes 300 are accommodated in the partitioned space of the upper chamber 420 and the lower chamber 520, different working fluids can be heat-exchanged. .

For example, referring to the diagram, a portion of the tube inlet 300_in of the third coil-type tube body 330A is accommodated in the first upper chamber 421, and the second and third upper chambers 422. 423 are accommodated. Part of the tube inlet 300_in among the first, second, and third coiled tube bodies 310A, 320A, and 330A is accommodated, and some of the third coiled tube bodies 330A are provided in the fourth upper chamber 424 By allowing the inlet 300_in to be accommodated, different operating fluids can be injected into the first, second, third, and fourth inlets 411, 412, 413, and 414, respectively, to perform heat exchange.

Similarly, some of the tube outlets 300_out among the third coil-type tube bodies 330A are accommodated in the first lower chamber 521, and the first, second, and third coil-types in the second and third lower chambers 522.523 are accommodated. Some of the tube outlets 300_out among the tube bodies 310A, 320A, and 330A are accommodated, and some of the tube outlets 300_out among the third coil-type tube bodies 330A are accommodated in the fourth lower chamber 524. Different working fluids may be discharged through the first, second, third, and fourth discharge ports 511, 512, 513, and 514, respectively.

Alternatively, as shown in FIG. 7, each of the first, second, and third coil-type tube bodies may have a structure in which a coil-type heater 700 having the same shape as that of the coil-type tube is further included. 7 is a perspective view showing a coil heater of the present invention.

In other words, by replacing any one coil type tube included in the coil type tube body 300A with a coil type heater 700 and bonding to each other, direct from the coil type heater 700 to the coil type tube 300 Heat transfer can be achieved.

Of course, the coil-type heater 700 is for heating or vaporization, but it will be natural that a coil-type cooler can be used for cooling or liquefaction.

By using such a coil type heater, there is an advantage that separate devices or structures such as boilers, coolers, and pumps for heating or cooling the heat medium can be greatly reduced. Therefore, it is possible to downsize the equipment.

Hereinafter, another embodiment of the present invention will be described with reference to FIG. 8. 8 is a longitudinal sectional perspective view showing another embodiment of the present invention, and FIG. 9 is an operational state diagram of the present invention shown in FIG.

Referring to the diagram, the present invention may include a housing 100, a heat medium pipe 200, a coiled tube 300, an upper cap 400 and a lower cap 500.

In another embodiment of the present invention, after the working fluid flows into any one inlet 410 formed in the upper cap 400, it passes through the coiled tube 300, and then the outlet 510 of the lower cap 500. ) Is not discharged, but rises again and is discharged to another discharge port 510 formed in the upper cap 400.

The housing 100, the heat transfer tube 200, and the coil-type tube 300 have the same structure and function as the above-described structure and function, so the description is omitted, and the upper cap 400 and the lower cap 500 and the upper chamber are different. The 420 and the lower chamber 520 will be described.

Specifically, the upper cap 400 covers the upper cover 110 of the housing 100 and forms an upper chamber 420 therein. In addition, the lower cap 500 forms a lower chamber 520 therein while covering the lower cover 120.

In this case, the upper baffle 430 is installed across the center of the upper chamber 420, and the inlet chamber 425 and the discharge chamber 426 are respectively formed on the left and right sides. The inlet chamber 425 accommodates the tube inlets 300_in of some of the coiled tubes 300 of the coiled tube bodies 300A, and the discharge chamber 426 is among the coiled tube bodies 300A. The tube outlets 300_out of the remaining coiled tube 300 are accommodated.

Here, a working fluid inlet 410 communicating with the inlet chamber 425 is formed at one side of the upper cap 400, and a working fluid outlet 510 communicating with the discharge chamber 426 is formed at the other side. .

On the other hand, a separate inlet or outlet is not formed in the lower cap 500.

Therefore, as shown in FIG. 9, the working fluid introduced through the inlet 410 is introduced through the inlet of the coiled tubes 300 accommodated in the inlet chamber 425, and the coiled tube body 300A After passing through ), they are discharged through the tube outlets 300_out of the coil-type tubes 300 and are collected into the lower chamber 520.

The working fluid filled in the lower chamber 520 flows back through the inlet of the coiled tubes 300 accommodated in the discharge chamber 426 and flows back, passing through the coiled tube body 300A, and then the coiled tube ( After collecting into the discharge chamber 426 through the tube outlets 300_out of 300), they are discharged through the discharge port 510.

Another embodiment will be described below. 10 is a longitudinal sectional perspective view showing another embodiment of the present invention, and FIG. 11 is an operational state diagram of the present invention shown in FIG.

Referring to the diagram, the present invention may include a housing 100, a heat medium pipe 200, a coiled tube 300, an upper cap 400 and a lower cap 500.

Another embodiment of the present invention is that some of the working fluid flows into any one inlet 410 formed in the upper cap 400, passes through the coiled tube 300, and then the lower cap 500 Discharged through the outlet 510, the rest of the working fluid flows into the other inlet 410 formed in the upper cap 400, passes through the coiled tube 300, and then rises again to the upper cap 400 It is a method of being discharged through another discharge port 510 formed in the. That is, it corresponds to a method of mixing the two embodiments.

Also in this embodiment, the housing 100, the heat medium pipe 200, and the coil-type tube 300 are similar to the above-described structure and function, so the description is omitted, and the upper cap 400 and the lower cap ( 500) and the upper chamber 420 and the lower chamber 520 will be described.

Specifically, the upper cap 400 covers the upper cover 110 of the housing 100 and forms an upper chamber 420 therein. In addition, the lower cap 500 forms a lower chamber 520 therein while covering the lower cover 120.

At this time, in the upper chamber 420, a first upper baffle 431, a second upper baffle 432, and a third upper baffle 433 are installed to transfer the upper chamber 420 to a first inflow chamber 425a, It is divided into an inlet chamber 425, a discharge chamber 426, and a second inlet chamber 425b.

The first inlet chamber 425a and the second inlet chamber 425b accommodate inlets of some of the coiled tubes 300 of the coiled tubular body 300A, and the inlet chamber 425 is also The inlets of the other part of the coiled tube 300 are accommodated among the tube bodies 300A, and the discharge chamber 426 accommodates the outlets of the remaining coiled tubes 300 among the coiled tube bodies 300A. .

Here, a first inlet 411 of the working fluid in communication with the first inlet chamber 425a is formed on one side of the upper cap 400, and the second inlet chamber 425b is connected to the other side. A second inlet 412 is formed, and an inlet 410 communicating with the inlet chamber 425 and an outlet communicating with the discharge chamber 426 between the first inlet 411 and the second inlet 412 Each of 510 is formed.

Meanwhile, a first lower baffle 531 and a second lower baffle 532 are installed inside the lower chamber 520 to transfer the lower chamber 520 to a first discharge chamber 426a, a return chamber 426c, and It is divided into a second discharge chamber 426b.

Each of the first discharge chamber 426a and the second discharge chamber 426b accommodates the tube outlets 300_out of the coiled tubes 300 accommodated in the first inflow chamber 425a and the second inflow chamber 425b. do.

And the return chamber (426c) is a tube outlet (300_out) of the coil-type tubes 300 accommodated in the inlet chamber 425 and the tube inlet (300_in) of the coil-type tubes 300 accommodated in the discharge chamber 426. Accept.

In addition, a first discharge port 510 of the working fluid in communication with the first discharge chamber 426a is formed on one side of the lower cap 500, and a first discharge port 510 of the working fluid in communication with the second discharge chamber 426b is formed on the other side. 2 outlets 510 are formed.

Accordingly, as shown in FIG. 11, the working fluid introduced into the first and second inlet ports 410 passes through the tube inlets 300_in of the coiled tubes 300 accommodated in the first and second inlet chambers 425. The first and second outlets are collected through the first and second discharge chambers 426 through the tube outlets 300_out of the coiled tubes 300 after passing through the coiled tube body 300A. It is discharged to the outside through 510.

And the working fluid introduced into the inlet 410 is introduced through the tube inlet 300_in of the coiled tubes 300 accommodated in the inlet chamber 425, and after passing through the coiled tube body 300A, the coil After collecting into the return chamber (426c) through the tube outlet (300_out) of the type tubes (300), it is introduced through the tube inlet (300_in) of the other coil-type tubes (300) accommodated in the return chamber (426c) and flows back. After passing through the coil-shaped tube body 300A, it may be collected into the discharge chamber 426 and then discharged through the discharge port 510.

Although the exemplary embodiments of the present invention have been described above with reference to the drawings, a person of ordinary skill in the field to which the present invention belongs will be able to perform various applications and modifications within the scope of the present invention based on the above contents. Therefore, the scope of the present invention is limited to the described embodiments and should not be determined, and should not be determined by the claims to be described later, but also by those equivalents to the claims.

100: housing 110: upper cover
120: lower cover 130: circulation port
200: heat medium pipe 210: supply port
300: coiled tube 300_in: inlet
300_out: outlet 310: first coil type tube
320: second coil type tube 330: third coil type tube
300A: Coil type tube body 310A: First coil type tube body
320A: 2nd coil type tube body 330A: 3rd coil type tube body
400: upper cap 410: inlet
411: first inlet 412: second inlet
413: 3rd inlet 414: 4th inlet
420: upper chamber 421: first upper chamber
422: second upper chamber 423: third upper chamber
424: fourth upper chamber 425: inflow chamber
425a: first inlet chamber 425b: second inlet chamber
426: discharge chamber 426a: first discharge chamber
426b: second discharge chamber 426c: return chamber
430: upper baffle 431: first upper baffle
432: second upper baffle 433: third upper baffle
500: lower cap 510: outlet
511: first outlet 512: second outlet
513: third outlet 514: fourth outlet
520: lower chamber 521: first lower chamber
522: second lower chamber 523: third lower chamber
524: fourth lower chamber 530: lower baffle
531: first lower baffle 532: second lower baffle
533: third lower baffle
600: barrier wall 610: first barrier wall
620: second blocking wall 630: third blocking wall
700: coil type heater

Claims (12)

A housing having an upper cover and a lower cover, and a circulation port through which the heat medium is discharged, and a heat medium tube passing through the housing and supplying the heat medium therein, and a plurality of sequentially arranged coils formed outside the heat medium tube. A coil-shaped tube, an upper cap forming an upper chamber while covering the upper cover, and an inlet port communicating with the upper chamber, and a lower chamber forming a lower chamber while covering the lower cover, and an outlet communicating with the lower chamber are formed. In a heat exchanger comprising a lower cap to perform heat exchange between the heat medium in the housing and the working fluid passing through the coiled tube,
Each of the coiled tubes is provided so that a plurality of coiled tubes having the same inner diameter overlap each other, and each of the overlapped coiled tubes is bonded to each other while being compressed in the vertical direction to form a cylindrical coiled tube body,
The coil-type tube bodies are spaced apart from each other in the order of a first coil-type tube body, a second coil-type tube body, and a third coil-type tube body, respectively, from the heat transfer tube,
The heat medium pipe passes through the center of the housing, the upper end is opened to allow the heat medium to flow in, the other end is sealed, but at least one supply port is formed on the side to supply the introduced heat medium to the inside of the housing,
An upper baffle for partitioning the upper chamber is formed inside the upper chamber, and a lower baffle for partitioning the lower chamber is formed inside the lower chamber,
A first blocking wall is formed at a lower portion of the first coil-type tube body to block a gap formed between a lower end of the first coil-type tube body and a lower cover, and the second blocking wall is formed at an upper portion of the second coil-type tube body. A second blocking wall is formed to block the gap formed between the upper end and the upper cover of the coil-type tube body, and a gap formed between the lower end and the lower cover of the third coil-type tube body is formed below the third coil-type tube body. A third blocking wall is formed to block the heat medium, and the heat medium discharged to the supply port flows upward along between the heat medium pipe and the first coil-type tube body, and between the first coil-type tube body and the second coil-type tube body. A multi-coil, characterized in that it flows downward, flows upward between the second coil-type tube body and the third coil-type tube body, flows downward between the third coil-type tube body and the inner surface of the housing, and is discharged to the circulation port. Heat exchanger using a type tube. delete delete delete delete delete The method of claim 1,
Each of the first, second, and third coil-type tube bodies are arranged to have different spiral directions. The method of claim 7,
Each of the first, second, and third coiled tube bodies is a heat exchanger using a multi-coil-type tube, characterized in that a coil-type heater provided in a coil shape is inserted between overlapping coil-type tubes. delete A housing having an upper cover and a lower cover, and a circulation port through which the heat medium is discharged, and a heat medium tube passing through the housing and supplying the heat medium therein, and a plurality of sequentially arranged coils formed outside the heat medium tube. It comprises a coil-type tube, an upper cap that forms an upper chamber while covering the upper cover, and a lower cap that forms a lower chamber while covering the lower cover, and passes through the heat medium in the housing and the coil-type tube. In a heat exchanger that allows heat exchange between working fluids,
Each of the coiled tubes is compressed in the vertical direction and bonded to each other to form a cylindrical shape,
Inside the upper chamber, a first upper baffle, a second upper baffle, and a third upper baffle that divide the upper chamber into a first inlet chamber, an inlet chamber, a discharge chamber, and a second inlet chamber are formed, and the upper cap A first inlet, an inlet, an outlet, and a second inlet are formed to communicate with the first inlet chamber, inlet chamber, outlet chamber, and second inlet chamber, respectively,
A first lower baffle and a second lower baffle that divide the lower chamber into a first discharge chamber, a return chamber, and a second discharge chamber are formed in the lower chamber, and the first discharge chamber and the second discharge chamber are formed in the lower cap. A heat exchanger using a multi-coil type tube, characterized in that a first outlet and a second outlet communicated with the discharge chamber, respectively. The method of claim 10,
Each of the coiled tubes is provided so that a plurality of coiled tubes having the same inner diameter overlap each other, and each of the overlapped coiled tubes is bonded to each other to form a cylindrical coiled tube body. heat exchanger. The method of claim 11,
The heat medium pipe passes through the center of the housing, the upper end is opened to allow the heat medium to flow in, and the other end is sealed, but at least one supply port is formed at the side to supply the introduced heat medium to the interior of the housing. Heat exchanger using coiled tube.

Images