JP2020089817A - Ion-exchange resin loading device and ion-exchange resin loading method - Google Patents

Abstract

To easily perform an operation of loading ion-exchange resin.SOLUTION: An ion-exchange resin loading device 10 of this invention is applied to a cartridge 40 for an ion exchanger and loads ion-exchange resin through an opening part 42 into a housing space of the cartridge 40 in a state in which a mesh is not disposed. The loading device 10 includes: a mounting stand 12 that mounts the cartridge 40 in a state in which the mesh is not disposed with the opening part 42 being directed upward; a closing jig 30 disposed to a cylindrical member 43 and closing a first opening 45 on the opening part 42 side of the cylindrical member 43; and a pressing jig 20 that presses the ion-exchange resin that is thrown into the housing space toward a rear part of the housing space.SELECTED DRAWING: Figure 2

Description

The present invention relates to an apparatus and method for filling an ion exchange cartridge with an ion exchange resin.

For example, in a fuel cell, a cooling circuit that circulates a cooling liquid (for example, one containing ethylene glycol as a main component) for cooling the fuel cell stack is provided in order to suppress an increase in temperature of the fuel cell stack during power generation. ing. Further, in the fuel cell, when the cooling liquid is thermally decomposed during power generation, ions are generated accordingly, and the ion concentration in the cooling liquid increases, which causes metal corrosion and deterioration of the function of the fuel cell. There is a risk. Therefore, the cooling circuit is provided with an ion exchanger that adsorbs ions contained in the cooling liquid and removes them from the cooling liquid.

The ion exchanger described in Patent Document 1 has a case having an open portion that opens upward and a lower portion provided with an inflow hole through which a cooling liquid flows and an outflow hole through which the cooling liquid flows out and a downward direction. And a cap that is detachably attached to the case and closes the opening. Inside the cap, there are provided tube members that open downward and upward, respectively. An ion exchange resin is filled in the donut-shaped accommodation space formed between the cap and the tube member. A portion of the opening that communicates with the accommodation space is closed by a mesh member. In such an ion exchanger, the cooling liquid flowing into the lower part of the case through the inflow holes flows into the accommodation space through the pores of the mesh member. Then, when passing through the accommodation space, the ions contained in the cooling liquid are adsorbed by the ion exchange resin. Further, the cooling liquid after passing through the accommodation space flows into the tube member through the opening on the upper side of the tube member, is discharged to the outside of the cap through the opening on the lower side of the tube member, and is provided in the lower portion of the case. Outflow through the outflow holes.

JP, 2017-159235, A

By the way, in the ion exchanger described in Patent Document 1, a cartridge removable from the case is configured by the cap, the tube member, the ion exchange resin, the mesh member, and the like.

In such a cartridge, when the ion exchange resin is filled, the ion exchange resin is introduced into the accommodation space through the opening of the cap in a state where the mesh member is not attached. However, since the ion-exchange resin has a low fluidity, the problem that the charged ion-exchange resin does not spread over the entire accommodation space, or the ion-exchange resin is pushed in to spread the ion-exchange resin over the entire accommodation space. Then, there arises a problem that the ion exchange resin enters the inside of the tube member through the opening. As a result, the work of filling the ion exchange resin becomes complicated.

The present invention has been made in view of such circumstances, and an object thereof is to provide an ion-exchange resin filling device and an ion-exchange resin filling method that can easily perform a filling operation. ..

An ion exchange resin filling device for achieving the above object is a cap having an opening, and a cylindrical shape provided inside the cap and opening toward the opening side and a side opposite to the opening side, respectively. A member, an ion-exchange resin filled in a storage space formed between the cap and the tubular member, and a porous member that closes a portion of the opening that communicates with the storage space. Applied to a cartridge for an ion exchanger configured such that the fluid to be ion-exchanged passes through the accommodation space from the porous member and then is discharged to the outside of the cap through the tubular member. The cartridge is filled with an ion exchange resin through the opening in the accommodation space of the cartridge in which the body member is not attached, and the cartridge in the state in which the porous member is not attached A mounting table that mounts it upwards, a closing jig that is attached to the tubular member and closes the opening of the tubular member on the side of the opening, and ion exchange that is introduced into the accommodation space. A pressing jig that presses the resin toward the back of the accommodation space.

According to this structure, it is possible to inject the ion exchange resin toward the accommodation space through the opening while the opening on the opening side of the tubular member is closed by the closing jig. Therefore, it is possible to prevent the ion exchange resin from entering the tubular member.

Moreover, according to the said structure, it becomes possible to press the ion exchange resin thrown into the accommodation space toward the back of the accommodation space by the pressing jig. Therefore, the entire accommodation space can be filled with the ion exchange resin.

An ion exchange resin filling method for achieving the above object is a cap having an opening, and a tubular shape provided inside the cap and opening toward the opening side and a side opposite to the opening side, respectively. A member, an ion-exchange resin filled in a storage space formed between the cap and the tubular member, and a porous member that closes a portion of the opening that communicates with the storage space. Applied to a cartridge for an ion exchanger configured such that the fluid to be ion-exchanged passes through the accommodation space from the porous member and then is discharged to the outside of the cap through the tubular member. A method of filling an ion exchange resin through the opening into the accommodation space of the cartridge without a body member attached, wherein the cartridge without the porous body member is provided with the opening The ion-exchange resin through the opening into the accommodation space while the opening of the tubular member is closed by a closing jig. And a pressing step of pressing the ion-exchange resin injected in the charging step toward the back of the accommodation space by a pressing jig.

According to this method, since the ion exchange resin is injected into the accommodation space through the opening while the opening on the opening side of the tubular member is closed by the closing jig, the ion exchange resin is tubular. It is possible to suppress entry into the member.

Further, according to the above method, since the ion exchange resin that has been introduced into the accommodation space is pressed toward the back of the accommodation space by the pressing jig, the ion exchange resin can be filled throughout the accommodation space. it can.

According to the present invention, the work of filling the ion exchange resin can be easily performed.

The schematic diagram which shows the cartridge for ion exchangers of this embodiment. The perspective view which shows the filling device of the ion exchange resin of the same embodiment. FIG. 3 is an exploded perspective view showing the mounting table, the cartridge, the closing jig, and the movable plate of the embodiment separated from each other. (A) is a perspective view showing the closing jig of the same embodiment, (b) is a rear view showing the closing jig of the same embodiment. FIG. 6 is a perspective view showing a state where the ion exchange resin is pressed toward the inner part of the accommodation space of the cartridge by the pressing jig in the ion exchange resin filling device of the embodiment. FIG. 4 is a cross-sectional view centering on the cartridge, (a) showing a state in which a closing jig is mounted, (b) showing a state immediately after the ion exchange resin is charged, (c) FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 5, showing a state in which the ion exchange resin is pressed by the pressing jig. (A) is a perspective view which shows the example of a change of a closure jig, (b) is sectional drawing which followed the 7-7 line.

Hereinafter, with reference to FIGS. 1 to 6, an embodiment of a filling device (hereinafter, filling device 10) for an ion exchange resin will be described.
A vehicle equipped with a fuel cell is provided with a cooling circuit (not shown) that circulates a cooling liquid for cooling the fuel cell stack. As such a cooling liquid, for example, an antifreezing liquid containing ethylene glycol as a main component is preferable.

As shown in FIG. 1, the cooling circuit is provided with an ion exchanger 60 for removing ions contained in the cooling liquid.
The ion exchanger 60 includes a bottomed cylindrical case 51 having an opening 51a opened upward, and a cartridge 40 detachably provided to the case 51 through the opening 51a and closing the opening 51a. ing.

At the lower part of the case 51, an inflow pipe 52 that allows the cooling liquid to flow into the case 51 and an outflow pipe 53 that causes the cooling liquid to flow out of the case 51 are provided.
As shown in FIG. 1, the cartridge 40 includes a cap 41 having a substantially cylindrical shape with a bottom having an opening 42 opened downward, and a cylinder provided inside the cap 41 on the same axis as the cap 41. The member 43 is provided.

The cap 41 includes a cylindrical body portion 41a having the opening 42, a first cylindrical reduced diameter portion 41b adjacent to the upper portion of the body portion 41a and having a diameter smaller than that of the body portion 41a, and a first reduced diameter portion 41b. It is provided with a second reduced diameter portion 41c which is adjacent to the upper side of the diameter portion 41b and has a bottomed cylindrical shape whose diameter is smaller than that of the first reduced diameter portion 41b.

On the outer peripheral surface of the body portion 41a, a male screw (all not shown) screwed into the female screw of the case 51 is formed. The cartridge 40 is detachably attached to the case 51 by screwing the male screw of the body portion 41 a (cap 41) with the female screw of the case 51.

As shown in FIG. 3, a plurality of (three in this embodiment) positioning protrusions 47 are integrally formed on the inner peripheral surface of the body portion 41a at equal intervals in the circumferential direction.
Each positioning protrusion 47 extends along the axial direction of the cap 41 and projects to the outside of the cap 41 through the opening 42. The positioning protrusion 47 corresponds to the first positioning portion according to the present invention.

As shown in FIGS. 1 and 3, a positioning projection 41d is provided on the shoulder between the body 41a and the first reduced diameter portion 41b. The positioning protrusion 41d corresponds to the second positioning portion according to the present invention.

As shown in FIG. 1, the tubular member 43 has a first opening that opens toward the opening 42 side of the cap 41 (the lower side in the same figure) and the side opposite to the opening 42 (the upper side in the same figure). 45 and a second opening 46.

On the upper part of the cylindrical member 43, a plurality of projecting portions 44a that project toward the outer peripheral side and are arranged at intervals in the circumferential direction, and a circular annular portion 44b that connects the outer peripheries of the respective projecting portions 44a. Is provided with a support portion 44. The annular portion 44b of the support portion 44 is joined to the inner peripheral surface of the first reduced diameter portion 41b of the cap 41. As a result, the tubular member 43 is fixed to the cap 41. Here, the end of the tubular member 43 on the second opening 46 side is spaced downward from the upper bottom surface of the second reduced diameter portion 41c.

An annular first mesh 48 having a center hole is attached between the outer peripheral surface of the tubular member 43 and the inner peripheral surface of the opening 42 of the cap 41 via a gasket (not shown). The first mesh 48 corresponds to the porous member according to the present invention.

An annular second mesh 49 having a central hole is attached between the outer peripheral surface of the tubular member 43 and the inner peripheral surface of the first reduced diameter portion 41b via a gasket (not shown). The second mesh 49 is vertically adjacent to the support portion 44.

The support member 50 is detachably attached to the opening 42 of the cap 41. The support member 50 is a plurality of annular inner ring portions 50a fitted on the outer side of the tubular member 43, and a plurality of support members 50 protruding from the inner ring portion 50a toward the outer peripheral side and spaced from each other in the circumferential direction. It has a protruding portion 50b, and an annular outer annular portion 50c that connects the outer periphery of each protruding portion 50b.

The body 41 a of the cap 41, the tubular member 43, the first mesh 48, and the second mesh 49 form the doughnut-shaped accommodation space S that accommodates the ion exchange resin R.
Here, the pores of each of the meshes 48 and 49 have a size that allows passage of the cooling liquid but prevents passage of the ion exchange resin R.

In such an ion exchanger 60, as shown by the arrow in FIG. 1, the cooling water flowing through the cooling circuit flows into the case 51 through the inflow pipe 52. A part of the cooling water flows in the order of the first mesh 48, the accommodation space S, and the second mesh 49, and then through the gap between the upper end of the tubular member 43 and the upper bottom surface of the cap 41 to the tubular member from the second opening 46. Flows into 43. Then, the cooling liquid flows downward in the tubular member 43, is discharged to the outside of the cartridge 40 through the first opening 45, and then is discharged through the outflow pipe 53. Here, when the cooling liquid passes through the ion exchange resin R filled in the accommodation space S, the ions in the cooling liquid are ion-exchanged and removed.

Next, the filling device 10 for filling the cartridge 40 with the ion exchange resin R will be described.
As shown in FIG. 2, the filling device 10 includes a base plate 11 and a pair of columns 13 fixed to the upper surface of the base plate 11 and extending upward along the vertical direction.

A substantially cylindrical mounting table 12 on which the cartridge 40 can be mounted with the opening 42 of the cap 41 facing upward is fixed to the base plate 11.
As shown in FIG. 3, the mounting table 12 includes a first mounting surface 12a on which a shoulder portion between the body portion 41a of the cap 41 and the first reduced diameter portion 41b is placed, and a first reduced diameter portion 41b. And a second mounting surface 12b on which the shoulder between the second reduced diameter portion 41c and the third mounting surface 12c on which the bottom portion of the second reduced diameter portion 41c is mounted are provided. There is.

As shown in FIGS. 2, 3 and 6, the first mounting surface 12a of the mounting table 12 is provided with a locking recess 12d for locking the positioning protrusion 41d of the cap 41.
A movable plate 14 is supported by the pair of columns 13 so as to be able to move up and down.

As shown in FIGS. 2, 3 and 6B, the movable plate 14 vertically penetrates the plate portion 15 connected to the pair of support columns 13 so as to be able to move up and down and a part of the plate portion 15. It also has a cylindrical tubular portion 16 extending above and below the plate portion 15. A guide member 17 that guides the introduction of the ion exchange resin R into the opening 42 of the cartridge 40 (cap 41) is fitted into the upper opening of the tubular portion 16. The guide member 17 includes a cylindrical fitting portion 18 that is fitted inside the tubular portion 16, and a truncated cone tubular guide portion 19 that extends upward from the fitting portion 18 and has a diameter that increases toward the upper side. And have.

A pressing jig 20 is connected to the pair of columns 13 via an elevating mechanism (not shown) that moves up and down with respect to each column 13.
The pressing jig 20 includes three upper connecting shaft portions 21 extending downward from the elevating mechanism, an annular connecting plate 22 connected to lower ends of the upper connecting shaft portions 21, and a lower surface of the connecting plate 22. It is provided with three lower connecting shaft portions 23 that are connected and extend downward, and three pressing portions 24 that are connected to the lower ends of the respective lower connecting shaft portions 23. Each upper connecting shaft portion 21 and each lower connecting shaft portion 23 extends in the up-down direction.

The lower connecting shaft portions 23 and the pressing portions 24 are provided at equal intervals in the circumferential direction around the central axis of the tubular portion 16.
Each pressing portion 24 of the present embodiment is an annular fan shape having a central angle of 120 degrees.

As shown in FIGS. 2 to 4, the filling device 10 includes the closing jig 30 that is mounted in the opening 42 of the cartridge 40 (cap 41) mounted on the mounting table 12.
As shown in FIG. 3 and FIG. 4, the closing jig 30 is provided with a circular outer ring portion 31 and a central portion of the outer ring portion 31, and closes the first opening 45 of the tubular member 43. 33, and a plurality of (three in the present embodiment) connecting portions 34 that extend along the radial direction of the outer ring portion 31 and connect the outer ring portion 31 and the closing portion 33. The connecting portions 34 are provided at equal intervals in the circumferential direction.

As shown in FIG. 4A, a step portion 32 having an upper surface lower than the upper surface of the outer peripheral portion is provided on the inner peripheral portion of the outer ring portion 31 over the entire circumference.
As shown in FIGS. 4B and 6A to 6C, an annular rib 35 protruding downward is provided on the inner peripheral portion of the outer ring portion 31. The closing jig 30 is attached to the cartridge 40 by inserting the annular rib 35 into the opening 42 of the cartridge 40 (cap 41) (see FIG. 6).

The upper portion of the closing portion 33 has a conical shape. That is, the upper part of the closing portion 33 is provided with an inclined surface 33b that is inclined so as to be positioned further downward from the center of the closing portion 33, that is, toward the outer peripheral side.

As shown in FIG. 4B, a housing recess 33 a for housing the end of the tubular member 43 on the first opening 45 side is provided on the lower surface of the closing portion 33. The first opening 45 is closed by the closing portion 33 when the end portion of the tubular member 43 is received in the receiving recess 33a of the closing portion 33.

The lower surfaces of the closing portion 33, the connecting portions 34, and the annular rib 35 are located on the same plane.
The lower surface of each connecting portion 34 is provided with a locking recess 34a to which each positioning protrusion 47 of the cartridge 40 (cap 41) is locked.

As shown in FIG. 4( a ), a pair of inclined parts are provided on the upper part of each connecting part 34 so as to be positioned downward as they are separated from the center line of the connecting part 34 along the radial direction of the outer ring part 31. The inclined surface 34b is provided.

The three gaps V surrounded by the outer ring portion 31, the connecting portion 34, and the closing portion 33 of the closing jig 30 have an annular fan shape in plan view similar to the pressing portion 24. The inner shape of each gap V is slightly larger than the outer shape of the pressing portion 24. Therefore, each pressing portion 24 can move up and down in each gap V.

Further, the surface of the closing jig 30 is subjected to a well-known water repellent treatment.
The closing jig 30 is made of a synthetic resin material and is integrally formed by injection molding.
Next, a procedure of filling the cartridge 40 with the ion exchange resin R using the filling device 10 will be described.

First, as shown in FIG. 6A, the cartridge 40 in which the first mesh 48 and the support member 50 are not mounted is placed on the mounting table 12 with the opening 42 facing upward. At this time, as described above, the positioning protrusion 41d of the cap 41 is locked to the locking recess 12d of the mounting table 12 to position the cartridge 40 and the mounting table 12 in the circumferential direction (see FIG. 3). ).

Next, the closing jig 30 is attached to the opening 42 of the cap 41. As a result, the first opening 45 of the tubular member 43 is closed by the closing portion 33, and the positioning projection 47 is locked in the locking recess 34a, thereby positioning the cartridge 40 and the closing jig 30 in the circumferential direction. Is done. At this time, a gasket (not shown) is attached to the outer peripheral surface of the annular rib 35 of the closing jig 30 to seal the gap with the opening 42 of the cap 41.

Subsequently, as shown in FIG. 6B, the movable plate 14 is lowered to bring the lower portion of the tubular portion 16 into contact with the step portion 32 of the closing jig 30.
Subsequently, in a state where the first opening 45 of the tubular member 43 is closed by the closing jig 30, the ion exchange resin R is introduced from above the guide member 17 into the accommodation space S of the cartridge 40. At this time, the ion exchange resin R is introduced into the accommodation space S through the openings 42 passing between the coupling portions 34, and is directed to the accommodation space S along the inclined surfaces 33b and 34b of the closing jig 30. Will be guided (the above is the charging process).

By the way, since the ion-exchange resin R has a low fluidity, the charged ion-exchange resin R does not spread throughout the accommodating space S in the accommodating space S immediately after the charging step, as shown in FIG. There are many.

Therefore, as shown in FIGS. 5 and 6C, the pressing portions 24 of the pressing jig 20 are lowered through the gaps V between the connecting portions 34 of the closing jig 30. The charged ion exchange resin R is pressed toward the back of the accommodation space S by each pressing portion 24, and the ion exchange resin R is filled in the entire accommodation space S (the pressing step).

Next, the function and effect of this embodiment will be described.
(1) The filling device 10 of the ion exchange resin R is applied to the cartridge 40 for the ion exchanger 60, and the ion exchange is performed through the opening 42 into the accommodation space S of the cartridge 40 in which the first mesh 48 is not attached. Fill with resin R. The filling device 10 is mounted on the mounting table 12 for mounting the cartridge 40 in the state in which the first mesh 48 is not mounted and the opening 42 facing upward, and the cylindrical member 43, and the opening of the cylindrical member 43. The closing jig 30 that closes the first opening 45 on the 42 side, and the pressing jig 20 that presses the ion exchange resin R that has been introduced into the accommodation space S toward the back of the accommodation space S are provided. There is.

According to such a configuration, the ion exchange resin R is introduced toward the accommodation space S through the opening 42 in a state where the first opening 45 of the tubular member 43 on the opening 42 side is closed by the closing jig 30. Is possible. Therefore, it is possible to suppress the ion exchange resin R from entering the tubular member 43.

Moreover, according to the said structure, it becomes possible to press the ion exchange resin R thrown into the accommodation space S toward the back of the accommodation space S by the pressing jig 20. Therefore, the entire accommodation space S can be filled with the ion exchange resin R. Therefore, the filling operation can be easily performed.

(2) On the upper portion of the closing jig 30, inclined surfaces 33b and 34b for guiding the charged ion exchange resin R toward the accommodation space S are provided.
With such a configuration, the charged ion exchange resin R is guided by its own weight into the accommodation space S along the inclined surfaces 33b and 34b provided on the upper portion of the closing jig 30. Therefore, it is possible to prevent the ion exchange resin R from adhering to the closing jig 30. Therefore, the work of removing the ion exchange resin R attached to the closing jig 30 can be reduced.

(3) The cap 41 has a cylindrical shape. The cap 41 includes a positioning protrusion 47 that positions the closure jig 30 in the circumferential direction, and a positioning protrusion 41d that positions the mounting table in the circumferential direction.

According to this configuration, the cap 41 is positioned with the closing jig 30 by the positioning protrusion 47, and is positioned with the mounting table 12 by the positioning protrusion 41d. Therefore, it becomes easy to align the mounting table 12, the cap 41, and the closing jig 30. Further, the closing jig 30 can be prevented from rotating with respect to the cap 41 by being pushed by the charged ion exchange resin R.

(4) The surface of the closing jig 30 is subjected to water repellent treatment.
With such a configuration, it is possible to prevent the ion exchange resin R from adhering to the surface of the closing jig 30 due to the moisture contained in the ion exchange resin R when the ion exchange resin R is charged. Therefore, the work of removing the ion exchange resin R attached to the closing jig 30 can be reduced.

(5) The filling method of the ion exchange resin R includes a charging step and a pressing step. In the charging step, the cartridge 40 in which the first mesh 48 is not mounted is mounted on the mounting table 12 with the opening 42 facing upward, and the first opening 45 of the tubular member 43 on the opening 42 side. While being closed by the closing jig 30, the ion-exchange resin R is introduced into the accommodation space S through the opening 42. In the pressing step, the ion exchange resin R charged in the charging step is pressed by the pressing jig 20 toward the back of the accommodation space S.

According to such a method, the ion exchange resin R is introduced into the accommodation space S through the opening 42 while the first opening 45 on the opening 42 side of the tubular member 43 is closed by the closing jig 30. Therefore, it is possible to prevent the ion exchange resin R from entering the tubular member 43.

Further, according to the above method, the ion exchange resin R that has been introduced into the accommodation space S is pressed toward the back of the accommodation space S by the pressing jig 20, so that the ion exchange resin R throughout the accommodation space S is pressed. R can be filled. Therefore, the filling operation can be easily performed.

<Example of change>
The above embodiment can be modified as follows, for example. The above-described embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

Mounting the cartridge 40 on the mounting table 12, mounting the closing jig 30 on the cartridge 40, lowering the movable plate 14, and introducing the ion exchange resin R into the accommodation space S, In addition, the whole or part of lowering the pressing jig 20 can be automated.

The water repellent treatment on the surface of the closing jig 30 can be omitted.
-The shape of the upper part of the closing jig can be appropriately changed. For example, as shown in FIGS. 7(a) and 7(b), the upper surface 133b of the closing portion 133 can be formed in a hemispherical shape. Further, the cross-sectional shape of the upper surface 134b of the connecting portion 134, which is orthogonal to the center line of the connecting portion 134, may be semicircular. In the modified example shown in the figure, the same components as those in the above-described embodiment are designated by the same reference numerals, and the components corresponding to those in the above-described embodiment are added with “100” to the reference symbols “**”. The duplicated description will be omitted by adding "1**".

The closing portion 33 of the closing jig 30 may be configured as a plug fitted in the first opening 45 of the tubular member 43.
The closing jig 30 may include at least the closing portion 33, and the outer ring portion 31 and the connecting portion 34 may be omitted.

The movable plate 14 and the closing jig 30 may be connected to each other.
The positioning protrusion 41d and the positioning protrusion 47 can be omitted. In this case, the positioning of the cartridge 40 with respect to the mounting table 12 and the positioning of the closing jig 30 with respect to the cartridge 40 may be performed visually. In particular, when the closing jig 30 is composed of only the closing portion 33, the positioning itself of the closing jig 30 with respect to the cartridge 40 becomes unnecessary.

The ion exchanger 60 is not limited to the one provided in the cooling circuit of the fuel cell, and may be applied to other uses such as a water purifier.

10... Filling device, 11... Base plate, 12... Mounting table, 12a... 1st mounting surface, 12b... 2nd mounting surface, 12c... 3rd mounting surface, 12d... Locking recessed part, 13... Strut, 14... Movable plate, 15... Plate portion, 16... Cylindrical portion, 17... Guide member, 18... Fitting portion, 19... Guide portion, 20... Pressing jig, 21... Upper connecting shaft portion, 22... Connecting plate, 23... Lower connecting shaft portion, 24... Pressing portion, 30, 130... Closing jig, 31... Outer ring portion, 32... Step portion, 33, 133... Closing portion, 33a, 133a... Housing recess, 33b... Sloping surface, 34 , 134... connecting portion, 34a, 134a... locking recess, 34b... inclined surface, 35... annular rib, 40... cartridge, 41... cap, 41a... body portion, 41b... first reduced diameter portion, 41c... second reduction Diameter part, 41d... Positioning projection (second positioning part), 42... Opening part, 43... Cylindrical member, 44... Supporting part, 44a... Projecting part, 44b... Annular part, 45... First opening, 46... 2 openings, 47... Positioning protrusion (first positioning part), 48... First mesh (porous member), 49... Second mesh, 50... Support member, 50b... Projection part, 51... Case, 51a... Opening, 52 Inflow pipe, 53... Outflow pipe, 60... Ion exchanger, 133b, 134b... Top surface.

Claims (5)

A cap having an opening, a tubular member provided inside the cap and opening toward the opening and a side opposite to the opening, and formed between the cap and the tubular member. And a porous member that closes a portion of the opening that communicates with the accommodation space, and a fluid to be ion-exchanged from the porous member to the accommodation space. The accommodation space of the cartridge, which is applied to a cartridge for an ion exchanger configured to be discharged to the outside of the cap through the tubular member after passing through the inside, and in which the porous member is not attached A device for filling an ion exchange resin through the opening,
A mounting table for mounting the cartridge in a state in which the porous member is not mounted, with the opening facing upward;
A closing jig that is attached to the tubular member and closes the opening of the tubular member on the opening side;
An ion exchange resin that has been introduced into the accommodation space, a pressing jig that presses toward the back of the accommodation space,
Ion exchange resin filling device. An upper surface of the closing jig is provided with an inclined surface that guides the charged ion exchange resin toward the accommodation space.
The ion-exchange resin filling device according to claim 1. The cap has a cylindrical shape, and includes a first positioning portion that positions the closure jig in the circumferential direction of the cap, and a second positioning portion that positions the mounting table in the circumferential direction. Is equipped with
The ion-exchange resin filling device according to claim 1 or 2. The surface of the closing jig is subjected to a water repellent treatment,
The ion-exchange resin filling device according to any one of claims 1 to 3. A cap having an opening, a tubular member provided inside the cap and opening toward the opening and a side opposite to the opening, and formed between the cap and the tubular member. And a porous member that closes a portion of the opening that communicates with the accommodation space, and a fluid to be ion-exchanged from the porous member to the accommodation space. The accommodation space of the cartridge, which is applied to a cartridge for an ion exchanger configured to be discharged to the outside of the cap through the tubular member after passing through the inside, and in which the porous member is not attached A method of filling an ion exchange resin through the opening,
A state in which the cartridge in a state in which the porous member is not mounted is placed on a mounting table with the opening facing upward, and the opening of the tubular member on the opening side is closed by a closing jig. Then, a charging step of charging an ion exchange resin toward the accommodation space through the opening,
A pressing step of pressing the ion exchange resin charged in the charging step toward the back of the accommodation space by a pressing jig.
Ion exchange resin filling method.