KR20220111477A - Cylindrical membrane humidifier - Google Patents

Abstract

The present invention relates to a cylindrical membrane humidifier. The cylindrical membrane humidifier comprises: a humidifier membrane case including a cylindrical case body extending in length in opposite directions, and a receiving part penetrating the inside of the case body and having openings at both ends; a humidifying membrane assembly including a humidifying membrane including a plurality of hollow fiber membranes through which a first fluid and a second fluid flow inside and outside, respectively, wherein the humidifying membrane assembly is disposed on the receiving part; and an entry/exit case coupled to one end surface of the case body such that the first fluid enters and exits. The humidifier membrane case and the entry/exit case each further include a coupling body and a fastening body protruding in a direction being coupled with each other, wherein the coupling body and the fastening body are rotationally coupled. Accordingly, the assemblability of the cylindrical membrane humidifier can be improved while leakage of fluids is prevented in advance.

Description

Cylindrical membrane humidifier {CYLINDRICAL MEMBRANE HUMIDIFIER}

The present invention relates to a cylindrical membrane humidifier, and more particularly, to a cylindrical membrane humidifier that supplies moisture from a wet fluid to a dry fluid.

A membrane humidifier is a device provided to supply moisture to a fluid with low humidity through moisture exchange between two fluids with different humidity. At this time, the membrane humidifier includes a plurality of hollow fiber membranes (hereinafter referred to as 'hollow fiber membranes'), and different fluids flow inside and outside the hollow fiber membranes so that moisture permeates around the membranes.

Such membrane humidifiers are widely used in hydrogen vehicles in which fuel cells are the power source. In this case, the fuel cell is a device that generates electrical energy by electrochemically reacting fuel and oxidizing agent. A normal battery converts chemical energy from chemical substances pre-filled in the battery into electrical energy, whereas fuel cells continuously generate fuel and oxygen. It is a device that receives electricity from a chemical reaction and supplies electricity generated through a chemical reaction. Here, as the fuel cell needs to maintain a certain level of moisture content to increase the power generation efficiency, a membrane humidifier for the fuel cell is mounted together in the vehicle.

As described above, the membrane humidifier mounted on the vehicle may be formed in various shapes such as a box type or a cylindrical shape, and as a technology for this, currently Korean Patent Publication No. 10-1996477 (“Hollow fiber membrane cartridge type humidification module and manufacturing method thereof)” ", 2019.07.04. Announcement) etc. are disclosed. Referring to FIG. 1, in the above document, a box-shaped hollow fiber membrane cartridge type humidification module 1 in which a plurality of hollow fiber membrane cartridges 2 are partitioned therein, and a plurality of hollow fiber membrane cartridges 4 are partitioned inside. A cylindrical hollow fiber membrane cartridge type humidification module (3) is disclosed. The cylindrical hollow fiber membrane cartridge type humidification module 3 includes a housing accommodating a plurality of hollow fiber membrane cartridges 4, and a cover coupled to both sides of the housing to supply fluid into the plurality of hollow fiber membrane cartridges 4 It includes, and is configured to fix the plurality of hollow fiber membrane cartridges 4 through the potting part on both sides to which the cover is coupled.

As described above, the cylindrical membrane humidifier according to the prior art is generally fixed with a potting part after inserting a hollow fiber membrane in a state in which the inside of the housing is partitioned. continued In addition, the cylindrical membrane humidifier according to the prior art is formed in a structure with a low sealing property as the cover is simply coupled to both sides of the housing, a problem that the flowing fluid flows out occurred.

JP 1995-000517 U (1995.01.06. Public) JP 2836791 B2 (1998.12.14. Announcement) KR 10-1996477 B1 (2019.07.04. Announcement) KR 10-2098641 B1 (2020.04.08. Announcement)

The present invention has been devised to solve the above-described problems, and an object of the present invention is to provide a cylindrical membrane humidifier in which sealing properties and assembly properties can be further improved as the humidification membrane case and the entry/exit case are screwed together. .

Cylindrical membrane humidifier according to the present invention for achieving the above object, a humidifying membrane case comprising a cylindrical case body extending in length to both sides, and a receiving part that penetrates through the inside of the case body and is opened to both end surfaces ; A humidifying membrane assembly including a humidifying membrane including a plurality of hollow fiber membranes in which a first fluid and a second fluid flow to the inside and outside, respectively, and disposed on the receiving part; and an entrance and exit case coupled to one surface of the case body and through which the first fluid enters and exits, wherein the humidifying film case and the entry and exit case further include a coupling body and a coupling body protruding in a direction to be coupled to each other, respectively, the The coupling body and the fastening body may be rotationally coupled.

In addition, the cylindrical membrane humidifier according to the present invention, the coupling body and the coupling body may be screwed to each other.

In addition, the humidification film case, the outlet opening to the one end surface of the case body is connected to the receiving portion; and a partition wall portion disposed on one end surface of the case body to separate one end opening of the accommodating portion and the opening of the outlet from each other; a portion of the coupling body may extend to one side from the partition wall portion.

In addition, the entry and exit case, a first fluid outlet connected to the receiving portion of the humidifying film case, through which the first fluid enters and exits; And it may include a second fluid outlet connected to the outlet of the humidification membrane case through which the second fluid is discharged.

In addition, the cylindrical membrane humidifier according to the present invention, the opening of the outlet may be disposed radially outside the case body than the opening of one end of the receiving part.

In addition, the outlet may be composed of a plurality of unit outlets spaced apart from each other along the circumferential direction of the case body.

In addition, the cylindrical membrane humidifier according to the present invention is screwed so that one of the coupling body and the fastening body is inserted into the other, and a sealing member may be interposed between the coupling body and the fastening body.

In addition, the cylindrical membrane humidifier according to the present invention, threads are respectively formed on the outer circumferential surface of the coupling body and the inner circumferential surface of the fastening body, and the sealing member is interposed between the outer circumferential surface of the coupling body and the inner circumferential surface of the fastening body. .

In addition, the humidification membrane assembly is coupled to the outer surface of the humidification membrane, a cylindrical humidification membrane protection member extending in length to both sides; and a screw fastening part coupled to an outer surface of one side of the humidifying film protective member and screwed to the inner surface of the humidifying film case.

In addition, the humidification membrane assembly, a fixed end connected to the other end surface of the humidification film protective member extending to the other side; further comprising, the outer diameter of the fixed end is formed to be larger than the outer diameter of the humidification film protective member, the case The other inner surface of the body may protrude inward and come into contact with one surface of the fixed end.

In addition, the cylindrical membrane humidifier according to the present invention, the fixed end is made up of a plurality, the plurality of fixed ends can be arranged spaced apart from each other along the circumferential direction of the humidification film protective member.

In addition, a pair of fixed ends among the plurality of fixed ends may be disposed at positions symmetrical with respect to the circumferential center of the humidifying film protective member.

In addition, the case body, one end of the outer surface protrudes to the outside to form a protruding end, one surface of the fastening body coupled to the coupling body may be in contact with the protruding end.

In addition, the entry and exit cases are made of a pair, and the pair of entry and exit cases may be respectively coupled to both end surfaces of the case body.

In the cylindrical membrane humidifier according to the present invention having the above-described configuration, as the humidification membrane case and the entry/exit case are screwed together, it is possible to prevent the first fluid flowing through the coupling between the threads from leaking to the outside. It has the advantage of improving lifespan and reliability.

In addition, the cylindrical membrane humidifier according to the present invention has an advantage in that assembling becomes smoother and productivity is improved by screwing between the humidifying membrane assembly and the humidifying membrane case, and between the humidifying membrane case and the outgoing case. In addition, there is an advantage that the quality of the manufactured devices can be maintained by making the assembly more sophisticated through the fixed end, the protruding end and the matching member.

1 is a perspective view showing a membrane humidifier according to the prior art.
2 is a perspective view of a cylindrical membrane humidifier according to a first embodiment of the present invention.
3 is an exploded perspective view of a cylindrical membrane humidifier according to a first embodiment of the present invention.
4 is a front cross-sectional view of the cylindrical membrane humidifier according to the first embodiment of the present invention.
Figure 5 is a side view of the humidification membrane case according to the first embodiment of the present invention.
6 is a side view of the humidification membrane case in which the humidification membrane assembly according to the first embodiment of the present invention is separated.
7 is a front cross-sectional view of the humidification membrane case according to the first embodiment of the present invention.
8 is a front cross-sectional view of a humidification membrane case according to a second embodiment of the present invention.
9 is a side view of a humidifying film case according to a third embodiment of the present invention.
10 is a perspective view of a humidification membrane assembly according to a fourth embodiment of the present invention.
11 is a perspective view of a humidification membrane assembly according to a fifth embodiment of the present invention.
12 is a front cross-sectional view of a humidification membrane case according to a fifth embodiment of the present invention.
13 is a plan view of a humidification membrane assembly according to a sixth embodiment of the present invention.

Hereinafter, the cylindrical membrane humidifier according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

<First embodiment>

2 and 3 are related to the cylindrical membrane humidifier according to the first embodiment of the present invention. FIG. 2 is a perspective view of the cylindrical membrane humidifier, and FIG. 3 is an exploded perspective view of the cylindrical membrane humidifier, respectively.

2 and 3, the cylindrical membrane humidifier 10 according to the present invention, the first fluid (F ₁ ) and the second fluid (F ₂ ) having different humidity can exchange moisture with each other, humidification It may be configured to include a membrane assembly 100 , a humidification membrane case 200 , or an entry/exit case 300 . At this time, the humidification membrane assembly 100 may include a humidification membrane 110 composed of a plurality of hollow fiber membranes, a first fluid F 1 flows into the hollow fiber membranes, and a second fluid F ₁ flows between the plurality of hollow fiber membranes. A fluid F ₂ may flow.

The humidification film case 200 may include a case body 210 , a coupling body 220 , a receiving part 230 or an outlet 240 . The case body 210 is a cylindrical housing whose length is formed on both sides and is hollow inside to have a receiving part 230 , and the humidification membrane assembly 100 is on the case body 210 internal receiving part 230 . can be placed. In addition, the receiving part 230 may be opened to both end surfaces of the case body 210 . The coupling body 220 may be connected to one or the other end surface of the case body 210 , and may be formed in a pair and connected to both end surfaces of the case body 210 , respectively. At this time, the pair of coupling body 220 may be composed of a first coupling body 221 and a second coupling body 222 . In addition, the coupling body 220 may have a screw thread formed on the outer circumferential surface or the inner circumferential surface, and the screw thread may be wound in both directions.

The entry/exit case 300 is a housing into which the first fluid F ₁ is introduced or discharged, and is formed as a pair and may be respectively coupled to one side and the other side of the humidification membrane case 200 . In this case, the pair of access cases 300 may include a first access case 310 and a second access case 320 . Here, the entry/exit case 300 may include a coupling body 301 that is screw-coupled to the coupling body 220 . To explain this more clearly, the first entry/exit case 310 coupled to one side of the humidification membrane case 200 may include a first housing part 311 in which the first fluid F ₁ flows. In addition, the coupling body 301 may be formed on the other side surface of the first housing 311 . In addition, the coupling body 301 may be disposed on the other inner side of the first housing 311 or may have a shape extending in the other direction from the other end surface of the first housing 311 . At this time, a screw thread that meshes with the screw thread of the coupling body 220 may be formed on the inner circumferential surface or the outer circumferential surface of the coupling body 301 .

The access case 300 may further include a first fluid outlet 302 . At this time, the first fluid outlet 302 is made up of a pair, the first fluid inlet 302a into which the first fluid F ₁ flows, and the first fluid outlet 302b through which the first fluid F ₁ is discharged. can be composed of In this case, the first fluid inlet 302a or the first fluid outlet 302b may be disposed in the first access case 310 and the second access case 320 , respectively. In addition, the access case 300 may further include a second fluid outlet 303 through which the second fluid F ₂ is introduced or discharged. For example, the first inlet case 310 has a first fluid inlet 302a. ) is disposed, and a first fluid outlet 302b and a second fluid outlet 303 may be disposed in the second entry/exit case 310 . And the outlet 240 of the humidification membrane case 200 may be opened toward the side where the second fluid outlet 303 is disposed, for example, the outlet 240 is the other end surface of the case body 210 . It is opened so that the second fluid outlet 303 and the flow path may be connected.

The cylindrical membrane humidifier 10 according to the present invention may further include a matching member 20 to adjust the coupling position of the humidification membrane case 200 and the entry/exit case 300 . At this time, the matching member 20 may control the arrangement structure between the humidification membrane case 200 and the entry/exit case 300 which are connected by rotation as they are screwed together. And the matching member 20 may include a first matching member 21 disposed on the humidifying film case 200 and a second matching member 22 disposed on the entry/exit case 300, It is composed of an assembly line and can be seen by the operator in a visible form, or the first matching member 21 or the second matching member 22 is physically in contact with each other to determine the coupling position.

The cylindrical membrane humidifier 10 according to the present invention is a heat exchanger 400 to control the temperature of the first fluid F ₁ before the first fluid F ₁ is injected into the humidification membrane case 200. may further include. In addition, the heat exchanger 400 may be disposed on the access case 300 , and a receiving part 304 into which the heat exchanger 400 can be inserted may be hollow in the access case 300 . At this time, the third fluid F ₃ formed at a different temperature from the first fluid F ₁ flowing into the entry/exit case 300 may flow in the heat exchanger 400 .

FIG. 4 relates to a cylindrical membrane humidifier according to a first embodiment of the present invention, and FIG. 4 shows a front sectional view of the cylindrical membrane humidifier.

4 , the first fluid F ₁ flows into the first fluid inlet 302a of the first entry/exit case 310, passes through the heat exchanger 400, and the third fluid F ₃ ) can be exchanged with And the first fluid F1 passing through the heat exchanger 400 is connected to the other surface of the first housing part 311 of the first entry/exit case 310 and extends to the other side of the first fastening body 301a, and the It can be injected into the humidification membrane assembly 100 through a space formed as the first coupling body 221 connected to one side of the case body 210 of the humidifying membrane case 200 and extending to one side is screwed together. At this time, a sealing member (G) may be interposed between the first fastening body (301a) and the first coupling body (221).

The humidifying film assembly 100 may include a humidifying film 110 , a humidifying film protecting member 120 , or a fixing unit 130 . At this time, the humidification membrane 110 composed of a plurality of hollow fiber membranes may be protected in the form that the humidification membrane protection member 120 wraps around, and the humidification membrane protection member 120 may extend in both directions in a cylindrical shape. And the fixing part 130 can fix the humidification membrane 110 or the humidification membrane protection member 120 inside the case body 210, and the fixing part 130 is a pair of the humidification membrane. It may include a first fixing part 131 and a second fixing part 132 respectively disposed at both ends of the 110 . And the hollow fiber membrane is opened to one end surface of the humidification membrane 110 so that the _first fluid (F ₁ ) can be introduced. This may be limited. In addition, the first fluid (F ₁ ) flowing to the other side along the humidification membrane 110 flows into the second housing part 321 of the second access case 320 to the outside through the first fluid outlet 302b. can be emitted as

A second coupling body 222 extending to the other side of the case body 210 may be screw-coupled to the second coupling body 301b of the second entry/exit case 320, and the second entry/exit case 320 A second fastening body 301b may be disposed inside the second housing part 321 of the . At this time, the sealing member (G) may also be interposed between the second coupling body 222 and the second coupling body (301b). In addition, the second housing part 321 may be partitioned so that the first fluid F ₁ and the second fluid F ₂ flow therein, respectively, and the second fluid outlet 303 of the second entry/exit case 320 . ) introduced through the second fluid (F ₂ ) may be supplied to the outlet 240 of the humidification membrane case 200 . Alternatively, the second fluid F ₂ discharged from the outlet 240 may be discharged through the second fluid outlet 303 . In addition, the humidification membrane case 200 may include a second fluid outlet 201 penetrating the inside and outside of the case body 210, the second fluid outlet 201 of the humidification membrane case 200 Through the second fluid (F ₂ ) may be introduced or discharged.

5 and 6 relate to a cylindrical membrane humidifier according to the first embodiment of the present invention, FIG. 5 is a side view of the humidifying membrane case, and FIG. 6 is a side view of the humidifying membrane case from which the humidifying membrane assembly is separated.

5 and 6 , the opening of the outlet 240 may be disposed radially outside the case body 210 than the opening of the receiving part 230 . That is, the outlet 240 may be disposed to be deflected toward the outer side of the case body 210 . At this time, the humidifying film case 200 may further include a partition wall part 250 disposed on the end surface of the case body 210 to partition between the receiving part 230 and the outlet 240 . To explain this more clearly, the side where the outlet 240 is disposed is defined as the upper side, and the side where the receiving part 230 is disposed is defined as the bottom side.

The partition wall part 250 may extend along the upper periphery of the accommodating part 230 penetrating in a cylindrical shape having a first diameter D ₁ . Accordingly, the upper side of the receiving part 230 on which the partition wall part 250 is disposed may be formed with a second diameter D ₂ smaller than the first diameter D ₁ . Accordingly, one side of the accommodating part 230 may be divided into a first accommodating part 231 having a first diameter D ₁ and a second accommodating part 232 having a second diameter D2, and the humidification When the humidifying film 110 and the humidifying film protective member 120 of the membrane assembly 100 are disposed, it may be fixed to the inner surface of the case body 210 through the protective member 130 . And one end of the plurality of hollow fiber membranes 111 of the humidification membrane 110 may be spaced apart from each other as shown, and the first fluid F 1 may be sealed so that the first fluid F ₁ does not flow by potting between them. . In addition, when the second fluid outlet 201 is formed in the case body 210 , the pipe P is connected and the second fluid F ₂ may flow.

The coupling body 220 may extend in a hollow cylindrical shape, and an upper portion may extend from the partition wall portion 250 , and a lower portion may extend from the case body 210 . And a screw thread (S) may be formed on the outer circumferential surface of the coupling body 220, and a sealing member (G) may be interposed on the screw thread (S). In addition, the sealing member (G) may include a plurality of first sealing members (G ₁ ) for sealing the accommodating part 230 and a second sealing member (G ₂ ) for sealing the outlet (240). . At this time, the first sealing member (G ₁ ) may extend along the circumferential direction of the receiving part 230 , and the second sealing member ( G ₂ ) may extend along the circumferential direction of the outlet ( 240 ). have. Here, the outlet 240 may be composed of a plurality of unit outlets including a first unit outlet 240a and a second unit outlet 240b, and a plurality of unit outlets 240 are provided in the case body 210. They may be spaced apart from each other along the circumferential direction.

7 is a cylindrical membrane humidifier according to the first embodiment of the present invention, and FIG. 7 is a front sectional view of the humidifying membrane case.

Referring to FIG. 7 , the humidification film assembly 100 includes a flow hole 140 penetrating the humidification film protection member 120 , the outer surface of the humidification film protection member 120 and the case body 210 . It may include a flow path switching unit 150 for sealing between the inner surfaces. At this time, the flow hole 140 may be configured in plurality, and the plurality of flow holes 140 include a first flow hole 141 and the humidification film protective member ( A second flow hole 142 disposed on the other side of the 120 may be included. In addition, the flow path switching unit 150 may be disposed between the first flow hole 141 and the second flow hole 142 . In addition, the first flow hole 141 is between the first fixing part 131 and the flow path switching part 150, and the second flow hole 142 is between the flow path switching part 150 and the second fixing part ( 132) may be disposed between. Accordingly, the second fluid (F2) flows in and out from one side of the humidifying film protective member 120, and flows in and out from the other side to flow through the second fluid outlet 201 or outlet 240. have.

The flow path switching unit 150 may be implemented in various forms, such as a rigid member in the shape of a protruding ring or a sealing member made of an elastic material. At this time, the humidification membrane case 200 may further include a flow path switching part 260 protruding inward from the inner surface center of the case body 210, and the flow path switching part 150 of the humidifying membrane assembly 100. And, only one of the flow path switching units 260 of the humidification membrane case 200 may be disposed, or may be implemented in various ways, such as a form coupled to each other or a form in contact with each other.

The humidification film case 200 is disposed on the outer surface of one end of the case body 210, the first protruding end 211 protruding to the outside, or the second protruding end 212 disposed on the outer surface of the other end and protruding to the outside. can do. At this time, the first protruding end 211 and the second protruding end 212 are arranged to limit the position of the entry and exit case 300 inserted along the first coupling body 221 and the second coupling body 222, respectively. On the other side where the outlet 240 is disposed, the barrier rib part 250 may be disposed on the upper side, and the second protruding end 212 may be disposed on the lower side.

<Second embodiment>

8 is a cylindrical membrane humidifier according to a second embodiment of the present invention, and FIG. 8 is a front sectional view of the humidifying membrane case.

Referring to FIG. 8 , the humidifying film case 200 may include a first outlet 241 and a second outlet 242 respectively disposed on both end surfaces of the case body 210 . In addition, the fluid may be introduced or discharged through the first outlet 241 and the second outlet 242 . Here, in the humidification membrane assembly 100, the humidifying membrane 110 is exposed at a position where the first outlet 241 and the second outlet 242 are opposite to the opening opened to the receiving part 230. can be For example, the humidifying film protective member 120 is coupled to the center of both sides of the humidifying film 110, both sides of the humidifying film protecting member 120 are formed to have relatively short lengths, so that both sides of the humidifying film 110 are exposed. can Alternatively, a first protective member 121 and a second protective member 122 may be further disposed at both ends of the humidifying film 110 , and between the first protective member 121 and the humidifying film protecting member 120 . may be spaced apart from each other, and the humidifying film protective member 120 and the second protective member 122 may be spaced apart from each other on both sides. Here, the inner diameter of the center of the case body 210 may be sealed to correspond to the outer diameter of the humidifying film protective member 120 .

In addition, the accommodating part 230 is spaced through the fixing part 130 so that the first coupling body 221 and the second coupling body 222 are inside the first flow port 230a and the second flow port, respectively. 230b may be formed. In this case, the diameter of the first flow port 230a or the second flow port 230b may be larger than the diameter of the receiving part 230 inside the case body 210 .

<Third embodiment>

Figure 9 relates to a cylindrical membrane humidifier according to a third embodiment of the present invention, Figure 9 shows a side view of the humidification membrane case.

9-(a), the humidification membrane 110 of the humidification membrane assembly 100 includes a plurality of hollow fiber membranes 111, and a plurality of cartridges 112 for accommodating the plurality of hollow fiber membranes 111. ) may be further included. At this time, based on the radial and circumferential directions of the case body 210, a plurality of hollow fiber membranes 111 are spaced apart from each other in the plurality of cartridges 112, and the plurality of cartridges 112 may also be spaced apart from each other. . And as shown in FIGS. 9-(a) and 9-(b), the cartridge 112 may be configured in various shapes such as a cylindrical shape or a prismatic shape, and a fluid may flow between the plurality of cartridges 112. space can be secured. In addition, although not shown, the cartridge 112 may circulate through the inner and outer sides while facing in both directions.

9-(c), the humidification membrane 110 of the humidification membrane assembly 100 includes a plurality of hollow fiber membranes 111, and a plurality of partition members dividing the plurality of hollow fiber membranes 111 ( 113) may be further included. At this time, the partition member 113 may divide the inside of the humidification film protective member 120 into a plurality of regions, and may control the fluid to be dispersed and flowed into each region. In addition, a plurality of hollow fiber membranes 111 may be respectively disposed in each region.

Referring to FIG. 9-(d), the partition member 113 divides each region into a main flow path, but may form an auxiliary flow path disposed between each region, and a part of the partition member 113 is penetrated through It is also possible to control the fluid circulation by connecting the main flow path and the auxiliary flow path.

<Fourth embodiment>

10 is a cylindrical membrane humidifier according to a fourth embodiment of the present invention, and FIG. 10 is a perspective view of the humidifying membrane assembly.

Referring to FIG. 10-(a), the first flow hole 141 or the second flow hole 142 is formed in plurality and is spaced apart from each other in the circumferential direction of the humidification film protective member 120, and the humidification It may be formed in a plurality of rows spaced apart from each other in the longitudinal direction of the film protection member 120 . In more detail, the plurality of first flow holes 141 are the 1-1 flow holes 141a spaced apart from each other along the circumferential direction of the humidifying film protective member 120 and the humidifying film protective member 120 . 1 - 2 flow holes 141b spaced apart from each other along the circumferential direction of ) may be spaced apart from each other in the longitudinal direction. At this time, it can be varied in various forms, such as being arranged in a plurality of rows or arranged in a zigzag form with each other, and the second flow hole 142 is also the 2-1 flow hole 142a and the 2-2 flow hole 142a as above. A hole 142b may be included. In this case, the first flow hole 141 is disposed between the first fixing part 131 and the flow path switching part 150 , and the second flow hole 142 is the second fixing part 132 and the flow path switching part 150 . It may be disposed between the units 150 .

Referring to FIG. 10-(b), the first flow hole 141 has a first flow width W ₁ in the longitudinal direction of the humidifying film protective member 120, It may have a first flow length (L ₁ ) in the circumferential direction. And the second flow hole 142 also has a second flow width (W ₂ ) in the longitudinal direction of the humidifying film protective member 120 , and a second flow length (L) in the circumferential direction of the humidifying film protective member 120 . ₂ ) can have. In this case, the first flow hole 141 may have a first flow length L ₁ larger than the first flow width W ₁ , and the second flow hole 142 may also have the second flow width W 1 . The value of the second flow length L ₂ may be larger than the width W ₂ . And the first flow width (W ₁ ) and the second flow width (W ₂ ) are the same as or different from each other, so that the first flow length (L ₁ ) and the second flow length (L ₂ ) are also the same or different from each other can

<Fifth embodiment>

11 and 12 relate to a cylindrical membrane humidifier according to a fifth embodiment of the present invention, wherein FIG. 11 is a perspective view of the humidifying membrane assembly, and FIG. 12 is a front sectional view of the humidifying membrane case, respectively.

Referring to FIG. 11 , the humidification membrane assembly 100 includes a humidification membrane 110 , a humidification membrane protection member 120 , a flow hole 140 , a flow path switching unit 150 , a screw fastening unit 160 or a fixed end. (170). In this case, the screw fastening part 160 may be disposed at one or both ends of the humidifying film protection member 120 , and a screw thread may be formed on the outer surface. And the fixing end 170 may be disposed at the other end of the humidifying film protective member 120 to adjust the insertion position of the screw fastening portion (160). Here, the fixed end 170 may be formed in plurality, including the first fixed end 171 and the second fixed end 172 , and the plurality of fixed ends 170 is the circumference of the humidifying film protective member 120 . They may be spaced apart from each other along the direction. In addition, a sealing member (G) may be disposed on the screw fastening part 160 or the fixed end 170 .

Referring to FIG. 12 , the screw fastening part 160 may be screw-coupled with a screw thread formed in the humidifying film case 200 , and the fixed end 170 based on the circumferential center of the humidifying film protective member 120 . is formed to have a larger outer diameter than the humidification film protective member 120 , thereby limiting the depth of the humidification film case 200 . When the screw fastening part 160 and the fixing end 170 are respectively disposed on both sides, the outer circumferential surface of the screw fastening part 160 and the inner circumferential surface of one end of the case body 210 or the first coupling body 221 . The inner peripheral surfaces may be screwed to each other. Accordingly, the humidification membrane assembly 100 inserted from the other side may be moved to one side.

The fixed end 170 has an outer diameter greater than the inner diameter of the partition wall part 250 of the humidification membrane case 200, and as one side is in contact with the other surface of the partition wall part 250, the insertion depth to one side can be adjusted Here, the outer diameter of the fixed end 170 may be formed smaller than the inner diameter of the second coupling body (222). In this case, the partition part 250 may extend along the circumferential direction of the case body 210 , and a plurality of fixed ends 170 may contact the partition part 250 to control the posture thereof. And some of the plurality of fixed ends 170 may be disposed at positions symmetrical to each other with respect to the circumferential center of the humidifying film protective member 120 . In addition, the outer diameter of the other end of the humidification film protective member 120 may correspond to the inner diameter of the partition part 250 and may be adjacent to each other, and a sealing member (G) may be interposed therebetween. In addition, the outer diameter of one end of the humidification film protective member 120 may correspond to the inner diameter of one end of the case body 210 or the inner diameter of one end of the first coupling body 221 and may be adjacent to each other, and a sealing member (G) therebetween may be interposed.

<Sixth embodiment>

13 is a cylindrical membrane humidifier according to a sixth embodiment of the present invention, and FIG. 13 is a plan view of the humidification membrane assembly.

13-(a) and 13-(b) , the humidifying membrane assembly 100 may include a humidifying membrane 110 and a fixing part 130 . At this time, the humidifying membrane 110 may be composed of a plurality of hollow fiber membranes 111 as described above. And the fixing part 130 is composed of a first fixing part 131 and a second fixing part 132 so that the first fixing part 131 connects one end of the humidifying film 110 to the case body 210 . It is fixed to the inside, and the second fixing part 132 may fix the other end of the humidifying film 110 to the inside of the case body 210 . At this time, the humidification membrane assembly 100 divides the plurality of hollow fiber membranes 111 into a plurality of hollow fiber membrane bundles including the first hollow fiber membrane bundle 111a and the second hollow fiber membrane bundle 111b. Fixed band 180 for dividing And it may further include a fixed frame (190). At this time, the fixing band 180 is made of an elastic material and can be integrated by pressing a plurality of hollow fiber membranes, and the fixing frame 190 is made of a rigid material and divided hollow fiber membrane bundles may be inserted respectively. In this case, the fixing band 180 and the fixing frame 190 are formed in plurality and are spaced apart from each other in the width direction or the height direction to divide the plurality of hollow fiber membranes 111 into a plurality of hollow fiber membrane bundles. At this time, the divided plurality of hollow fiber membrane bundles may be re-assembled or branched along both sides of the longitudinal direction.

The present invention is not limited to the above-described embodiments, and the scope of application is varied, and anyone with ordinary knowledge in the field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims It goes without saying that various modifications are possible.

F ₁ : First fluid F ₂ : Second fluid
F ₃ : third fluid
G: sealing member
G ₁ : first sealing member G ₂ : second sealing member
P: pipe S: thread
10: cylindrical membrane humidifier 20: matching member
21: first matching member 22: second matching member
100: humidification membrane assembly
110: humidification membrane 111: hollow fiber membrane
111a: first hollow fiber membrane bundle 111b: second hollow fiber membrane bundle
112: cartridge 113: partition member
120: humidification film protective member
121: first protection member 122: second protection member
130: fixed part
131: first fixing part 132: second fixing part
140: flow hole
141: first flow hole
141a: 1-1 flow hole 141b: 1-2 flow hole
142: second flow hole
142a: 2-1 flow hole 142b: 2-2 flow hole
150: flow path switching part 160: screw fastening part
170: fixed end
171: first fixed end 172: second fixed end
180: fixed band 190: fixed frame
200: humidification film case 201: second fluid outlet
210: case body
211: first protruding end 212: second protruding end
220: combined body
221: first coupling body 222: second coupling body
230: receiving part
230a: first flow port 230b: second flow port
231: first accommodating part 232: second accommodating part
240: outlet
240a: first unit outlet 240b: second unit outlet
241: first outlet 242: second outlet
250: bulkhead part 260: flow path conversion part
300: access case
301: fastening body
301a: first fastening body 301b: second fastening body
302: first fluid outlet
302a: first fluid inlet 302b: first fluid outlet
303: second fluid outlet
304: storage unit
310: first access case 311: first housing part
320: second access case 321: second housing part
400: heat exchanger

Claims (14)

A humidifying film case including a cylindrical case body extending in length to both sides, and receiving portions that penetrate through the inside of the case body and open to both end surfaces;
A humidifying membrane assembly including a humidifying membrane including a plurality of hollow fiber membranes in which a first fluid and a second fluid flow to the inside and outside, respectively, and disposed on the receiving part; and
an entry/exit case coupled to one end surface of the case body into which the first fluid enters and exits;
includes,
The humidification membrane case and the entry and exit case further include a coupling body and a coupling body protruding in a direction to be coupled to each other, respectively,
Cylindrical membrane humidifier, characterized in that the coupling body and the coupling body are rotationally coupled.
According to claim 1,
Cylindrical membrane humidifier, characterized in that the coupling body and the coupling body are screwed to each other.
According to claim 1,
The humidification film case,
an outlet opening to one end surface of the case body and connected to the accommodating part; and a partition wall portion disposed on one end surface of the case body to separate one end opening of the accommodating portion and the opening of the outlet from each other;
A part of the coupling body,
Cylindrical membrane humidifier, characterized in that extending to one side from the partition wall.
4. The method of claim 3,
The entry case is
a first fluid outlet connected to the accommodating part of the humidification membrane case, and through which the first fluid enters and exits; And Cylindrical membrane humidifier comprising a second fluid outlet connected to the outlet of the humidification membrane case through which the second fluid enters and exits.
4. The method of claim 3,
Cylindrical membrane humidifier, characterized in that the opening of the outlet is disposed radially outside the case body than the opening of one end of the accommodating part.
6. The method of claim 5,
The outlet is a cylindrical membrane humidifier, characterized in that composed of a plurality of unit outlets spaced apart from each other along the circumferential direction of the case body.
3. The method of claim 2,
Screwed so that one of the coupling body and the fastening body is inserted into the other,
Cylindrical membrane humidifier, characterized in that the sealing member is interposed between the coupling body and the fastening body.
8. The method of claim 7,
Threads are respectively formed on the outer circumferential surface of the coupling body and the inner circumferential surface of the fastening body,
Cylindrical membrane humidifier, characterized in that the sealing member is interposed between the outer peripheral surface of the coupling body and the inner peripheral surface of the fastening body.
According to claim 1,
The humidification membrane assembly,
Doedoe coupled to the outer surface of the humidifying film, a cylindrical humidifying film protective member extending in length to both sides; and a screw fastening part coupled to an outer surface of one side of the humidifying film protective member and screwed to the inner surface of the humidifying film case.
10. The method of claim 9,
The humidification membrane assembly,
Further comprising; a fixed end connected to the other end surface of the humidification film protection member and extending to the other side;
The outer diameter of the fixed end is formed larger than the outer diameter of the humidification film protective member,
Cylindrical membrane humidifier, characterized in that the inner surface of the other side of the case body protrudes inwardly and comes into contact with one surface of the fixed end.
11. The method of claim 10,
The fixed end consists of a plurality,
Cylindrical membrane humidifier, characterized in that the plurality of fixed ends are spaced apart from each other along the circumferential direction of the humidification membrane protective member.
12. The method of claim 11,
A pair of fixed ends among the plurality of fixed ends,
Cylindrical membrane humidifier, characterized in that it is disposed at a symmetrical position with respect to the circumferential center of the humidifying membrane protective member.
According to claim 1,
The case body,
Once the outer surface protrudes to the outside, a protruding end is formed,
Cylindrical membrane humidifier, characterized in that one surface of the coupling body coupled to the coupling body is in contact with the protruding end.
14. The method according to any one of claims 1 to 13,
The access case consists of a pair,
Cylindrical membrane humidifier, characterized in that a pair of entry and exit cases are respectively coupled to both end surfaces of the case body.

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