JP4174134B2 - Container and water purifier cartridge - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a container that includes a case in which a fluid processing material is stored and a lid that closes the opening of the case, and distributes pressurized fluid in the case.
[0002]
[Prior art]
Conventionally, powders such as powdered activated carbon, granular activated carbon, and ion exchange resin have been used to perform adsorption, filtration, reaction, etc. for liquids such as tap water, well water, and industrial wastewater, and gases such as air, oxygen, and nitrogen. A granular processing material is used. This granular processing material is filled in a cylindrical case or a closed cup-shaped case at one end, and the case is pressurized in the case with the opening of the case sealed with a lid having a fluid entrance. Fluid is circulated. At this time, a sheet-like or linear elastic body may be used as a packing between the case and the lid in order to prevent the powdery processing material inside the container from flowing out and fluid leakage.
[0003]
FIG. 4 shows an example of a container filled with such a treatment material. The case 1 has a flange portion, the lid 2 has a flange portion and a fluid inlet / outlet, the sheet-like elastic body 3, the fastening bolt 4, It is composed of a powdered material 5 and a conduit 6. The conduit 6 is attached to the inside of the lid 2 by a method such as press-fitting, welding, or adhesion, and a mesh or the like is disposed at the tip portion so that the filled granular processing material does not flow out.
FIG. 5 shows an example of a relatively small container, which includes a case 1 having a mounting groove 21 in which the linear elastic body 7 is mounted, a lid 2 having a threaded portion with the case 1 and a fluid inlet / outlet, a wire The elastic body 7, the granular processing material 5, and the conduit 6 are included. The fluid enters from the fluid inlet 10, passes through the granular processing material 5, reverses at the bottom of the container, passes through the conduit 6, and flows out from the fluid outlet 11.
[0004]
[Problems to be solved by the invention]
In the conventional container as shown in FIG. 4, since the flange portion is necessary for sealing with the sheet-like elastic body 3, the case 1 and the lid 2 are made of resin by hindering miniaturization. There was a problem that it was difficult to reduce the weight even if it was molded.
[0005]
Further, in the case of a container in which fluid is sealed using the linear elastic body 7 as shown in FIG. 5, there are the following problems.
First, the position of the linear elastic body 7 is slightly moved by pressurization and depressurization of the container, and along with the movement, the granular processing material 5 enters between the linear elastic body 7 and the case 1 to form a linear shape. Since the elastic body 7 and the case 1 are damaged, the sealing function may be deteriorated in a short period of time.
Further, in this container, the granular processing material 5 and the linear elastic body 7 come into contact with each other due to vibrations or changes in posture when moving to another place, and a part of the granular processing material 5 is linear elastic. If the container remains in a state of being adhered between the body 7 and the case 1 and the container is used, the linear elastic body 7 and the case 1 may be damaged, and the sealing function may be reduced in a short period of time.
At the same time, in this container, when a strong impact such as dropping is received during use, a part of the granular processing material 5 enters between the linear elastic body 7 and the case 1, and the container is used continuously. Since the linear elastic body 7 and the case 1 are damaged, the sealing function may be deteriorated in a short period of time.
[0006]
In view of the above problems, an object of the present invention is to provide a container that can maintain fluid sealing performance for a long time in a container filled with a fluid treatment material, and that satisfies the demands for miniaturization and weight reduction.
[0007]
[Means for Solving the Problems]
The container of the present invention includes a case for housing the particulate treatment member, the cylindrical portion to be inserted in the casing is formed, a container comprising a lid for closing the opening of the case, the lid A container provided with a fluid introduction port and a fluid outlet port , through which a pressurized fluid is circulated, and is provided between the case and the cylindrical portion of the lid, and is in contact with the case and the lid It comprises at least two shaped elastic bodies and a nut that covers the lid and is fixed to the case. The treatment material may be a treatment material that performs any of adsorption, filtration, and reaction in contact with a fluid, and a porous hollow fiber membrane module may be combined with these treatment materials.
The water purifier cartridge of the present invention is characterized in that a powdery treatment material is accommodated in the container.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to the drawings. 1 to 3 show examples of the container of the present invention, but the present invention is not limited to these examples.
[0009]
The container shown in FIG. 1 has a bottomed cylindrical case 1 that opens upward, a fluid inlet 10 and a fluid outlet 11, a lid 2 that closes the opening of the case 1, and a lid for the case 1. 2 is schematically illustrated from a bag-like nut 8 for fixing 2, a linear elastic body 7 that seals the case 1 and the lid 2, a granular processing material 5 filled in the case, and a conduit 6 that guides fluid to the outside. Composed.
The lid 2 includes a top surface portion 2a and a cylindrical portion 2b that is inserted into the case 1 formed on the lower surface thereof. The mounting groove 21 for mounting the linear elastic body 7 is entirely formed on the outer peripheral surface of the cylindrical portion 2b. At least two are formed over the circumference, and a fluid inlet 10 and a fluid outlet 11 are formed in the top surface 2a so as to protrude upward.
And the conduit | pipe 6 is press-fit inside the fluid outlet 11 of the lid | cover 2, and is being fixed to the lid | cover 2 by methods, such as welding and adhesion | attachment. A mesh-like or porous tip member 6 a is disposed at the tip portion of the conduit 6 so that the filled granular processing material 5 does not flow out.
[0010]
The bag-like nut 8 and the case 1 are formed with screws that are screwed together. Then, with the cylindrical portion 2 b of the lid 2 inserted into the case 1, the fluid inlet 10 and the fluid outlet 11 are inserted into the hole 8 a, and the bag-like nut 8 covers the outer edge of the top surface portion 2 a of the lid 2. The bag-like nut 8 and the case 1 are screwed together so as to be sandwiched. The bag-like nut is provided to prevent the lid 2 from coming off from the case 1 in a pressurized state.
The case 1, the lid 2, and the bag-shaped nut 8 are made of ABS resin, polypropylene resin, polysulfone resin, polyacetal resin, polycarbonate resin, polyamide resin, etc. in consideration of pressure resistance during use and moldability during production. The plastic is preferably used, and stainless steel is preferably used when it is desired to have further strength.
The case 1 and the bag-shaped nut 8 can be connected by a bayonet or the like instead of screwing.
[0011]
The container of the present invention includes at least two linear elastic bodies 7 which are provided on one of the case 1 and the lid 2 and urge the other to adhere to the case 1 and the lid 2.
The linear elastic body 7 is a linear or annular rubber elastic body that has a length over the entire circumference of the mounting groove 21 formed in the lid 2 and has a width that is press-fitted into the mounting groove 21. The material is preferably a synthetic rubber such as nitrile rubber, silicon rubber, fluorine rubber, styrene butadiene rubber, chloroprene rubber, ethylene propylene rubber, or butyl rubber.
The linear elastic body 7 is press-fitted into the mounting groove 21 before the case 1 is covered with the lid 2. When the linear elastic body 7 is linear, it press-fits into the mounting groove 21 so that both ends are abutted. Further, when the linear elastic body 7 is annular, the linear elastic body 7 is stretched by applying a tensile force and is fitted into the mounting groove 21 from below the lid 2.
In any linear elastic body 7, the linear elastic body 7 is placed outside the outer peripheral surface of the cylindrical portion 2 b of the lid 2 in a state where the linear elastic body 7 is press-fitted until the linear elastic body 7 comes into contact with the back of the mounting groove 21. It has a thickness that protrudes slightly. The linear elastic body 7 is pressed against the case 1 by fastening the bag-like nut 8 to the case 1 with the lid 2 to which the linear elastic body 7 is attached being sandwiched. Since the surface contact with the case 1 is maintained in the energized state and the case 1 and the lid 2 are in close contact with each other, the connection state between the case 1 and the lid 2 is ensured and the pressurized fluid during use of the container Leakage can be prevented.
In the example shown in FIG. 1, the linear elastic body 7 has the mounting groove 21 formed on the outer peripheral surface of the cylindrical portion 2 b of the lid 2, but instead of this, the mounting groove is formed on the inner peripheral surface side of the case 1. You may do it. In this case, the linear elastic body 7 is press-fitted into the mounting groove of the case 1 before the case 1 is covered with the lid 2. When the linear elastic body 7 is linear, it is press-fitted into the mounting groove so that both ends are abutted. In this state, if the cylindrical portion 2b of the lid 2 is inserted into the opening of the case 1 and the bag-like nut 8 is put on and tightened in the same manner as described above, the linear elastic body 7 becomes the cylindrical portion 2b of the lid 2. In the state of being pressed and biased, the surface contact with the cylindrical portion 2b of the lid 2 is maintained and the case 1 and the lid 2 are in close contact with each other. It is possible to prevent leakage of pressurized fluid in
Furthermore, it is also possible to form attachment grooves in both the lid 2 and the case 1 and attach the linear elastic body 7 by the above-described method.
Alternatively, if the annular linear elastic body 7 is used, the attachment to the lid 2 is possible without forming any attachment groove. That is, the linear elastic body 7 may be stretched by applying a tensile force and attached to the cylindrical portion 2 b of the lid 2 from below the lid 2.
[0012]
The treatment material filled in the case 1 is a known material that performs adsorption of harmful components or odorous components contained in the fluid, filtration of turbidity in the fluid, reaction with the fluid-containing components, depending on the purpose of use of the container. A treatment material can be used, and examples thereof include powdered activated carbon, granular activated carbon, and ion exchange resin. For example, when used as a water purifier, treatment materials such as calcium sulfite, granular activated carbon, dechlorination treatment agents such as ascorbic acid, and ion exchange resins are used. These may be used alone or in combination of two or more.
In the present invention, the fluid may be either liquid or gas, and the type is not limited.
[0013]
When the fluid is passed through the container, the fluid is introduced into the container through the fluid inlet 10 in a pressurized state, passes downward through the granular processing material 5, and is inverted at the bottom of the container. 6, the fluid that has undergone a predetermined process is discharged from the fluid outlet 11.
Here, when the pressurized fluid is introduced and the pressure inside the container is increased, the bag-shaped nut 8 and the case 1 are deformed by the elasticity of the material, and accordingly, the side closer to the granular processing material 5 (hereinafter referred to as the granular processing material 5). , The urging force of the linear elastic body 7a is reduced. As a result, a part of the granular processing material 5 enters between the linear elastic body 7 and the case 1. Thereafter, when the inside of the container is depressurized, the inner linear elastic body 7a returns to the original position while sandwiching the infiltrated powdery granular material with the case 1. By repeating this operation, penetration of the granular processing material 5 between the case 1 and the inner linear elastic body 7a proceeds, and the fluid sealing performance of the inner linear elastic body 7a is lowered. However, the inner linear elastic body 7a stops the intrusion of the granular processing material on the spot, and the granular processing material does not enter above. For this reason, the linear elastic body 7b on the side farther from the granular processing material (hereinafter referred to as the outside) can maintain its sufficient sealing performance over a long period of time.
[0014]
Thus, in the container of the present invention, the inner linear elastic body 7a captures the treatment material that enters between the case 1 and the inner linear elastic body 7a, and the outer linear elastic body 7b is captured. Since it is for protection, it suffices if the treatment material can be stopped in place, and a complete fluid sealing function is not required. On the other hand, the outer linear elastic body 7b is required to have a function of ensuring the sealing of the fluid, and therefore its shape and material are determined so as to exhibit strong rubber elasticity.
FIG. 2 shows an example in which a dust seal is used as the inner linear elastic body. The same members as those in FIG. 1 are denoted by the same reference numerals and description thereof is omitted.
The dust seal 9 is an annular elastic body having a V-shaped, X-shaped or the like cross section, and holds a space in the mounting groove 21 even in a sealed state. As a material for the dust seal, a synthetic rubber such as nitrile rubber, silicon rubber, fluorine rubber, styrene butadiene rubber, chloroprene rubber, ethylene propylene rubber, or butyl rubber is used. The dust seal 9 is attached to the inner attachment groove 21 among the two attachment grooves 21 formed in the cylindrical portion 2 b of the lid 2. Then, the outer linear elastic body 7 b having higher sealing ability is mounted in the mounting groove 21 on the outer side than the dust seal 9. Although the dust seal 9 does not have the fluid sealing ability like the outer linear elastic body 7b, the intrusion of the granular processing material 5 can be stopped in place, so that the outer linear elastic body 7b is sufficiently sealed. The stopping performance can be maintained over a long period of time. Further, as compared with the case where the inner linear elastic body shown in FIG. 1 is used, the dust seal 9 holds a space between the mounting groove 21 in a sealed state, so that the dust seal 9 itself is not damaged. There is an advantage that a large amount of powdered and processed material can be captured.
When the fluid is passed through the container shown in FIG. 2, the fluid is introduced into the container through the fluid inlet 10 in a pressurized state, passes through the granular processing material 5 downward, and is inverted at the bottom of the container. Then, the fluid that has been subjected to the predetermined treatment flows out from the fluid outlet 11 through the conduit 6 upward.
[0015]
FIG. 3 shows an embodiment as a water purifier cartridge. The same members as those in FIG. 1 are denoted by the same reference numerals and description thereof is omitted.
This water purifier cartridge has a cylindrical case 1, a bottom lid 14 that closes one opening of the case 1, a fluid inlet 10 and a fluid outlet 11, and an upper lid 2 that closes the other opening of the case 1. A bag-like nut 8 for fixing the bottom lid 14 and the top lid 2 to the case 1, a linear elastic body 7 for ensuring the sealing of the case 1 and the bottom lid 14 and the case 1 and the top lid 2, Porous hollow fiber membrane module 13 housed in case 1, powdered water treatment material 12 filled around porous hollow fiber membrane module 13, and eyes arranged at the bottom of water treatment material 12 It consists of a dish 15.
The porous hollow fiber membrane module 13 is not particularly limited as long as it is generally used in water purifiers. For example, silicone-based, polyolefin-based, polyester-based, polyamide-based, polysulfone-based, cellulose-based, polyurethane-based A porous hollow fiber membrane such as those converged and fixed with a potting agent and housed in a housing is used (JP-A-5-261253, JP-A-6-340, JP-A-6-342, etc.) See). The illustrated porous hollow fiber membrane module is inserted so that the end of the porous hollow fiber membrane on the fixed part side communicates with the fluid outlet 11 provided in the upper lid, and the other end from the bottom lid 14. The lid 2 is detachably or integrally mounted so as to be separated.
[0016]
The eye plate 15 is provided to prevent the powder-treated material 5 from entering the inside of the porous hollow fiber membrane module 13, and the porous hollow fiber membrane module 13 is mounted in a predetermined position. It is made of a porous material having a donut shape having a module insertion hole 15a at the center, for example, a porous sintered filter, so as to be spaced from the bottom lid 14 and fitted inside the case 1.
When passing the fluid through the container, the fluid is introduced into the container through the fluid inlet 10 in a pressurized state, passes through the water treatment material 12 downward, passes through the eye plate 15, It reaches the space 16 provided below the eye plate 15, then reverses in the space 16, enters the porous hollow fiber membrane module 13, is filtered by the porous hollow fiber membrane module 13, and passes through the upper fluid outlet 11. The fluid that has been subjected to the predetermined treatment is discharged.
In the present invention, at least two linear elastic bodies 7 may be used, but three or more linear elastic bodies can be used for the purpose of more reliable sealing.
[0017]
【The invention's effect】
As described above, the container of the present invention is a container including a case for storing a powdery processing material and a lid that is formed with a cylindrical portion inserted into the case and closes the opening of the case. The lid is provided with a fluid inlet and a fluid outlet, and is a container for circulating a pressurized fluid in the container, and is provided between the case and the cylindrical portion of the lid; The container includes at least two linear elastic bodies that are in close contact with the lid, and a nut that covers the lid and is fixed to the case. In the container of the present invention, when the granular processing material gets in between the case and the inner linear elastic body due to strong pressure such as pressurization and depressurization of the container or dropping, or vibration, the direction of the container Even if the granular processing material comes into contact with the linear elastic body due to fluctuation, drop, etc., and part of the granular processing material remains attached between the case and the inner linear elastic body, The processing material which the linear elastic body arranged invades captures and protects the outer elastic body, and the linear elastic body arranged outside ensures the sealing of the fluid. In this way, in the container of the present invention, reliable fluid sealing can be maintained for a long time by using at least two linear elastic bodies, so that the sealing structure between the case and the lid can be simplified. Accordingly, the case and the lid can be easily manufactured by simple assembly such as screwing, and a reduction in size and weight can be achieved. Therefore, it is suitable for use for the purpose of producing drinking water for home use and purifying air, which are particularly required to be small and light. Furthermore, the fluid sealing performance in the state filled with the granular processing material is dramatically improved, and the sealing performance can be maintained over a long period of time, providing the user with great economic efficiency and convenience. It is. Therefore, the present invention can be widely applied to applications intended for any one of adsorption, filtration, and reaction targeting fluids.
[Brief description of the drawings]
1 is a cross-sectional view of an embodiment of the container of the present invention.
FIG. 2 is a cross-sectional view of an embodiment of the container of the present invention.
FIG. 3 is a cross-sectional view of an embodiment of the container of the present invention.
FIG. 4 is a cross-sectional view of a conventional container.
FIG. 5 is a cross-sectional view of a conventional container.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Case 2 Lid 5 Granular treatment material 7 Linear elastic body 12 Water treatment material 13 Porous hollow fiber membrane module

Claims (4)

A container having a case for storing a powdery treatment material and a lid formed with a cylindrical portion to be inserted into the case and closing the opening of the case. The lid has a fluid inlet and a fluid guide. An outlet is provided , and a pressurized fluid is circulated in the container. The container is provided between the case and the cylindrical portion of the lid, and has at least two linear elastic bodies that are in close contact with the case and the lid. A container comprising: a book; and a nut that covers the lid and is fixed to the case. The container according to claim 1, wherein the treatment material is in contact with a fluid and performs any of adsorption, filtration, and reaction. The container according to claim 1 or 2, wherein a porous hollow fiber membrane module is accommodated in the case. The water purifier cartridge by which the granular water treatment material was accommodated in the container of any one of Claims 1-3.

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