KR200265612Y1 - A ultrapure water purification system and a filter cartridge therefor - Google Patents

Abstract

The present invention is located on one side of the ultra-pure water production device is fastened with the insertion member of a pair of two to be flowed in and out of the water to be purified, and a set of two to control the opening and closing of the channel by the removal of the insertion member It relates to a filter cartridge of the ultrapure water producing apparatus, characterized in that the coupling member is fixed to one side of the upper end. In addition, the present invention is fixed to one side of the pure water manufacturing apparatus is inserted into a pair of two, the coupling member of a pair of two fixed to the upper side of the filter cartridge to the insertion member is fastened side by side. It is related with the ultrapure water manufacturing apparatus characterized by the above-mentioned.

According to the present invention, the coupling member fixed to the filter cartridge for the ultrapure water production device and the insertion member fixed to the ultrapure water production device are fastened and separated, so that the water channel is automatically opened and closed to prevent leakage when replacing the filter cartridge, and the filter The cartridge can be easily replaced by a simple operation from the ultrapure water production system.

Description

Ultrapure water production apparatus and filter cartridge used for the same {A ultrapure water purification system and a filter cartridge therefor}

The present invention relates to an ultrapure water production apparatus used for a variety of applications, such as microbial culture, chemical experiments and semiconductor cleaning, and more particularly relates to a filter cartridge provided in the ultrapure water production apparatus for purifying influent water to produce ultrapure water.

In general, ultrapure water (ultrapure water) is purified by the primary distilled water or reverse osmosis through a distillation machine is introduced into the ultrapure water production apparatus to produce ultrapure water. At this time, a filter cartridge is provided inside the ultrapure water production apparatus, and is responsible for producing the above-mentioned primary distilled water and purified water with ultrapure water. These filter cartridges are degraded when used for a certain period of time, and by replacing the filter cartridge that has reached the end of its life, it is possible to provide ultrapure water of desired purity.

The filter cartridge of the ultrapure water production apparatus can be largely divided into a housing type and an integral type integrating the filter and the housing, depending on the method of connection. The housing type is a type in which the filter and the container holding the filter can be separated, which can cause leakage due to internal pressure when the filter is replaced, and a high dead volume between the filter and the container can cause water to flow into the filter. There is a problem that is not good for water quality. On the other hand, the integrated unit of the filter and the housing is filled with the inside of the housing as the filler there is an advantage that does not occur the problem of the above-mentioned dead volume, but the connection part of the ultrapure water production apparatus generally O-ring ), One-touch and nut types, so that a large amount of water is discharged out by the internal pressure of the filter when the filter is replaced, similar to the housing type.

Another method of fastening the filter cartridge and the ultrapure water production system is to combine the female thread with the male thread and the male thread with each other, which is also cumbersome because the filter cartridge is replaced by directly operating the male / male screw. There is a risk that the connection part is damaged due to excessive operation, distilled or ultrapure water is leaked by the internal pressure of the filter itself, there is a problem that the ultrapure water device is contaminated.

The present invention has its technical problem to be detachable by a simple operation by replacing the filter cartridge by a method of inserting the insertion member in the coupling member provided with the opening and closing means.

In addition, the present invention is to open and close the opening means so that the fluid can pass when the coupling member and the insertion member is fastened so that the opening and closing means are automatically closed when the coupling member and the insertion member is separated so that ultrapure water is not discharged when the filter cartridge is replaced There is a technical problem to this.

1 is a perspective view of an ultrapure water producing system according to the present invention,

2 is a cross-sectional view showing a filter cartridge of an ultrapure water producing system according to the present invention;

3 to 4 is a side view and a front view of the filter cartridge according to the present invention,

5 is an exploded perspective view of the filter cartridge connector according to the present invention.

<Description of the symbols for the main parts of the drawings>

2: ultrapure water production system 4: sprayer

6: display device 8: locking device

10 filter cartridge 12 first fixing member

12 ': second fixing member 14: first filter

14 ': second filter 20: connector

22: coupling member 24: fastening member

24a: Fastener 24b: Supporting groove

26: support member 26a: support surface

26b: support 28: opening and closing member

28a: projection 28b: hole

28c, 48: ring groove 30: case

30a: Inlet groove 30b: Groove

30c: insertion protrusion 32: support piece

34: first thread groove 36, 38, 40: spring

42, 44: O-ring 46: insertion member

50: fastening groove 52: second screw groove

54: end

The present invention is located on one side of the ultra-pure water production device is fastened with the insertion member of a pair of two to be flowed in and out of the water to be purified, and to control the opening and closing of the channel by the removal of the insertion member in a pair of two It provides a filter cartridge of the ultrapure water producing apparatus, characterized in that one coupling member is fixed to one side of the upper end.

In addition, the present invention is fixed to one side of the ultra-pure water production apparatus is inserted into a pair of two, the coupling member is fastened side by side in a pair of two fixed to the upper side of the filter cartridge. It provides an ultrapure water production apparatus characterized by.

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

1 is a perspective view of an ultrapure water producing system according to the present invention, FIG. 2 is a cross-sectional view showing a filter cartridge of the ultrapure water producing system according to the present invention, FIGS. 3 to 4 are side and front views of the filter cartridge according to the present invention, and FIG. Will be described together with an exploded perspective view of the filter cartridge connector according to the present invention.

As shown in Figure 1 and 2, the ultrapure water production apparatus 2 of the present invention is a pump (not shown) is located to enable the inlet and outlet of the fluid and the injector (4) for discharging ultrapure water to one side thereof In order to purify the incoming inflow water, the filter cartridge 10 is provided to one side of the ultrapure water production apparatus 2. In addition, the door to open and close the inside of the ultrapure water production apparatus for the replacement and repair of parts, and the front side of the door to the display device 6 and the side of the side to adjust the flow rate, purity, time and temperature of the ultrapure water Consists of a locking device (8) for locking the door. Here, the injector 4 is detachable according to a use.

A pair of insertion members 46 that guide the inflow water to be purified to the inner side of the ultrapure water production apparatus 2 to the filter cartridge 10 or guide the ultrapure water purified by the filter cartridge 10 to the outside. It is located on one side of the filter cartridge 10 is composed of a coupling member 22 made of two sets to connect the insertion member 46 and the filter cartridge 10, each coupling member 22 and insertion A pair of members 46 are also called connectors 20.

The first and second filters 14 and 14 'of the filter cartridge 10 are manufactured by injection molding a synthetic resin, and the organic and inorganic materials present in the water are introduced into the first and second filters 14 and 14'. And a substance capable of removing residual components such as ions and microorganisms, and the like, and carbon, carbon fiber and ion exchange resin are generally used as fillers. Meanwhile, depending on the purpose of using ultrapure water, the above-described filler may be used alone or by mixing two or more of the above-mentioned fillers, and may be used by using a filler filled with a filler alone or by manufacturing a single cartridge 10 in which a plurality of filters are connected. Can be. In addition, a sieve is provided at the upper and lower ends of the filter to prevent leakage of the filler on one side of the filter.

One side of the above-described filter cartridge 10 has two coupling members 22 as a pair, the oil and water flows through, and the insertion member 46 is made of ultrapure water to be fastened to the coupling member 22 to the opposite side. It is located in the device.

Referring to the configuration of the coupling member 22 and the insertion member 46 of the filter cartridge 10 having such a configuration as follows.

As shown in FIGS. 3 and 4, the first and second filters 14 and 14 ′ are provided for fixing the first and second filters 14 and 14 ′ to the upper and lower ends of the first and second filters 14 and 14 ′ filled with the filler. The first and second filter fixing members 12 and 12 'are positioned, and the first and second filters 14 and 14' are disposed inside the second filter fixing member 12 'positioned at the lower end of the filter cartridge 10. Waterways (not shown) are formed through which the internal purified water can pass. In addition, one side of the first filter fixing member 12 located at the upper end is formed with a fastening member 24 of two pairs. At this time, any one of the two of the coupling member 22 in a pair is selected and used as the inlet and the other is used as the outlet.

An inflow passage (not shown) is formed inside the second filter fixing member 12 at the top of the filter cartridge 10 so that the inflow flowing through the coupling member 22 is guided to the second filter 14 '. The first filter 14 is formed with a discharge channel through which purified water can be discharged. Accordingly, the inflow water introduced into the coupling member 24 passes through the inflow path formed in the first filter fixing member 12 and is purified primarily by the second filter 14 ', which is purified by the filter cartridge 10. ) Is passed through the channel formed in the second filter fixing member 12 ′ at the lower end thereof, and is transferred to the first filter 14 to be purified again. The ultrapure water thus purified passes through a discharge channel formed inside the first filter fixing member 12 provided at the upper end of the filter cartridge 10, and the other coupling member 22 of the coupling member 22 into which the inflow water is introduced and its coupling It is discharged through the insertion member 46 which is connected to the member 24.

Here, the entirety of the first and second filters 14 and 14 and the first and second filter fixing members 12 and 12 'is referred to as a filter cartridge 10, and the number of filters is not limited, but depending on the application. It is possible to configure one filter cartridge 10 as a plurality.

As shown in FIG. 5, the insertion member 46 is provided with a second screw groove 52 at one side thereof, and the second screw groove 52 is a female thread groove formed on the wall surface of the ultrapure water production apparatus 2 ( It is fixed to the ultrapure water production apparatus 2 by being inserted into (not shown). On the other hand, the other side facing the second screw groove 52 is formed with a cylindrical tube having a predetermined diameter, the end of the cylindrical tube end having a diameter smaller than the diameter of the cylindrical tube ( 54) is formed. The fastening groove 50 formed adjacent to the second screw groove 52 at a predetermined interval from the end 54 is fastened by inserting the fastener 24a of the fastening member 24 into the circular fastening groove 50. The fastening groove 50 is formed along the circumference of the cylinder. In addition, a ring groove 48 is formed at one side of the cylindrical tube so that the O-ring 44 may be inserted and fixed.

On the other hand, the coupling member 22 is inserted and fastened to the above-described insertion member 46 is largely the fastening member 24 for fixing the insertion member 46 and the opening and closing member 28 that serves to open and close the flow path, and the configuration It consists of a case 30 which provides a space in which the element is assembled and seated.

On one side of the fastening member 24, an elliptical fastener 24a formed through the fastening member 24 is formed, and the semicircular support groove 24b is fastened to the fastener 24a so as to be adjacent to the fastener 24a. It is formed in contact with

The opening and closing member 28 has a hole 28b is formed so that the inflow or discharge water flows to one side thereof. This hole 28b leads to a longitudinal termination and provides a passage of fluid. On the other hand, a plurality of projections (28a) are formed at a constant interval of the outer periphery of the hole (28b), the line connecting the ends of the projections (28a) to form a circular, the diameter of one side of the case 30 It is smaller than or equal to the diameter of the inlet groove (30a) provided in. The cylinder having the outer periphery of the boundary between the projection 28a and the hole 28b is formed in the longitudinal direction of the opening and closing member 28 described above, and the ring groove so that the O-ring 38 is inserted and fixed to one side thereof. 28c is formed. In addition, the spring 38 is inserted from the rear of the opening and closing member 28 so as to be fixed to one side of the protrusion 28a in order to give elastic force to the opening and closing member 28.

The case 30 in which the above-described components are assembled and seated has an inflow groove 30a into which the insertion member 46 can be inserted, and the groove 30b is adjacent to the inflow groove 30a. It is formed so that the support member 26 is inserted and seated. The support member 26 is generally cylindrical and its diameter must be larger than the diameter of the support groove 24b of the fastening member 24. A support cylinder 26b having a smaller diameter than the support groove 24b is positioned at one front side of the support member 26 to prevent the fastening member 24 from rising above a predetermined height. On the other hand, the other side of the support (26b) is inserted into the spring 40 in order to give elasticity to the support member 26, by the elastic force of the spring 40 to move the support member 26 in the longitudinal direction Provide power.

In addition, one side of the case 30, that is, the front of the inlet groove (30a) is formed with a support piece 32 for inserting and fixing the fastening member 24, the support piece 32 and the inlet groove ( The fastening member 24 is inserted into and fixed to the space between 30a). At this time, the support (26b) of the support member 26 is fixed to the lower end of the inlet groove (30a) through the support groove 24b, the fixing projection (30c) is provided on one side of the case 30 fastening member 24 The spring 36 is connected to one side of the).

The rear end of the case 30 is formed with a first threaded groove to be fixed to the filter cartridge, and a protrusion having a circumferential shape with a diameter smaller than the outer circumferential diameter of the o-ring 42 into the case 30. After the ring groove 28c of the opening and closing member 28 passes through the projection, the o-ring 42 is inserted into the ring groove 28c, and the opening and closing member 28 is connected to the case 30. Do not let go.

Referring to the fastening method of the coupling member 22 and the insertion member 46 of the connector 20 configured as described above is as follows.

First, when one side of the insertion member 46 is inserted into the inlet groove (30a) of the fastening member 24, the end portion 54 located at the end of the insertion member 46 pushes one side of the opening and closing member 28 and the spring 38 is compressed and the waterway that was closed by the circumferential protrusion (not shown) provided in the interior of the o-ring 42 and the case 30 is opened due to the retraction of the o-ring 42. . At this time, one side of the insertion member 46 pushes one side of the support member 26, and the fastening member 24 fixed by the outer diameter of the support member 26b is supported by the support member 26 due to the retraction of the support member 26b. 1) one side of the fastener 24a of the fastening member 24, which is lifted up, is formed in the fastening groove 50 formed at one side between the ring groove 48 and the second screw groove 52 of the insertion member 46. By being inserted and fastened, the insertion member 46 is not separated from the coupling member 22.

On the contrary, when the insertion member 46 is detached from the coupling member 22, by separating the fastening groove 50 fastened to the insertion member 46 by applying a physical force to the upper end surface of the fastening member 24, The opening and closing member 28 is advanced by the spring 38 positioned in the opening and closing member 28 so that the insertion member 46 is separated, and the o-ring 42 is formed inside the case 30 by this forward force. It is seated on a cylindrical protrusion which is closed to prevent fluid from flowing into the case 30. On the other hand, the support groove 24b of the fastening member 24 descending by the physical force is lowered below the position of the support member 26, and the support groove 26b is advanced by the elastic force of the spring 40 to support the groove. The 24b extends over the outer circumference of the support 26b to prevent the fastening member 24 from being raised.

As described above, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is to be construed that all changes or modifications derived from the meaning and scope of the utility model registration claims to be described later rather than the detailed description and equivalent concepts thereof are included in the scope of the present invention.

The present invention having the configuration and operation effect as described above is fastened and separated by a coupling member fixed to the filter cartridge for ultrapure water production apparatus and the ultrapure water production apparatus, when the water channel is automatically opened and closed to replace the filter cartridge Leakage can be prevented, and the filter cartridge can be easily replaced from the ultrapure water production system by simple operation.

Claims (4)

In the filter cartridge 10 provided on one side of the ultrapure water producing apparatus 2 for purifying the water flowing in, Positioned on one side of the ultrapure water production apparatus (2) is fastened with the insertion member 46 in a pair of two to flow into and out of the water to be purified, and controls the opening and closing of the channel by the removal of the insertion member 46 To, the filter cartridge of the ultrapure water producing apparatus, characterized in that the coupling member (22) of a pair of two is fixed to the upper side. The method of claim 1, When the coupling member 22 and the insertion member 46 are fastened, the end portion 54 of the insertion member 46 pushes one side of the opening and closing member 28 to be provided at one side of the opening and closing member 28. The O-ring 42 is retracted and the channel which was closed by the circumferential protrusion provided in the O-ring 42 and the case 30 is opened and the coupling member 22 is inserted into the insertion member ( 46, the o-ring 42 is advanced by the elastic force of the spring 38 provided on one side of the opening and closing member 28, the forward o-ring 42 of the case 30 The filter cartridge of the ultrapure water producing system, characterized in that seated on the columnar projection provided therein and closes the waterway to automatically control the opening and closing of the waterway. In the ultrapure water producing system (2) equipped with a filter cartridge (10), An insertion member 46 having a set of two is fixed to one side of the ultrapure water production apparatus 2, and a combination of two sets fixed to one side of the upper end of the filter cartridge 10 is coupled to the insertion member 46. Ultrapure water production apparatus, characterized in that the member 22 is fastened side by side. The method of claim 3, wherein The end portion 54 of the insertion member 46 pushes one side of the opening and closing member 28 so that the O-ring 42 provided on one side of the opening and closing member 28 retreats, and the O-ring 42 and Ultra-pure water production apparatus characterized in that the water channel closed by the circumferential projection provided in the case 30 is automatically opened.