JP3015002B2 - Water treatment equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment apparatus mainly used for medical purposes, and more particularly, to a filtration apparatus and a deaeration apparatus which can be freely connected both horizontally and vertically.

[0002]

The inventor of the present invention has previously proposed a filter device which can be connected in series as a device capable of operating a plurality of units in parallel and freely changing the number of units to be processed in parallel. (Japanese Patent Application No. 8-153402). This apparatus effectively utilizes an ultraprecision filtration filter made of a polyethylene porous hollow fiber membrane, and has been well received as a water treatment apparatus particularly related to a dialysis apparatus due to its high versatility.

[0003] However, this filtering device is arranged to be suspended from a wall or the like, and it is inconvenient depending on the installation environment in that the ultra-precision filtration filter cannot be stacked in the height direction. In addition to those that are installed in hospitals related to dialysis equipment other than filtration equipment,
In some cases, it was more convenient to increase the number of connected units in the vertical direction than to increase the number of connected units in the horizontal direction. SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and has as its object to provide a water treatment apparatus that can freely increase the number of units connected not only horizontally but also vertically.

[0004]

To achieve the above object, according to an aspect of the filtration apparatus according to the present invention includes an input passage and an output passage, a bypass passage communicating between both passages, supra fill
Discharge port and inspection port respectively connected to the power passage and operation
An input / output block (VA) including a valve for switching a mode, the input / output block being separately connected to the input passage and the output passage to remove unnecessary matter from the input medium supplied from the input passage and to the output passage; output processing block, and these being in a water treatment device Ru container (6) Tona be integrally accommodated, the processing block, a plurality of processing members will be continuously provided as needed, Each of the processing members has a connecting portion (8) connected to a corresponding portion of another adjacent processing member via a cylindrical connecting member (5), and both ends in the axial direction are open. A processing main body (9) supported by the communication part, and a closing part (10) for supporting the other end of the processing main body and closing this part, are provided with a screw member (7) from outside the storage container. ) By screwing To press the member in the axial direction, it is adapted to integrate the processing block, wherein the bypass
The bypass passage can be set to bypass mode or
It can be set to backwash mode .

[0005] degassing apparatus according to the present invention, an input passage and an output passage, a bypass passage communicating between both passages, dynamic
An input / output block (VA) including a valve for switching an operation mode, a processing block for removing unnecessary matter from an input medium supplied from the input path and outputting the same to the output path, and an input supplied from the input path connecting block to convey medium to the processing block (JT), and these water treatment apparatus Do that because a holding member that integrally holds (6)
The processing block includes a first communication unit (50) in which its own outgoing path is connected to another adjacent outgoing path and a second connecting unit (50) in which its own introductory path is connected to another adjacent outgoing path. The communication unit (51) includes a processing main unit (MO) whose open both ends in the axial direction are held by the first communication unit and the second communication unit. The processing main unit (MO) includes: A deaeration member (40) made of a hollow fiber membrane is incorporated therein, and
Is provided with a flow meter and an ejector, and the input passage
Part of the input medium supplied from the
Is, vacuum ports of the ejector (34a) is connected to the outer space of the degassing member, the bypass passage,
Set to bypass mode by manual operation of the valve
I can do it .

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail based on embodiments. 1A and FIG.
As shown in the right side view of (b) (a storage container is indicated by a broken line), this embodiment is a filtering device that can be connected in the vertical direction, and includes a plurality of filters F1 to F3 and a bypass function. And an input / output unit VA having This filtration device is disclosed in Japanese Patent Application No. 8-15434 as a liquid distribution channel.
This is almost the same as the apparatus disclosed in Japanese Patent Application No. 02 or No. 9-1755. That is, as shown functionally in FIG. 2, when the valves 1a and 1b are in the illustrated state, the raw water from the input passage IN is introduced into the outer space 2 of the filters F1 to F3, and then the filters F1 to F3 The filtered water that has reached the inner space 3 is led out to the output passage OUT. On the other hand, when the valves 1a and 1b are rotated leftward by 90 °, the input path IN and the output path OUT communicate with each other to enter the bypass mode. When only the valve 1a is rotated 90 degrees to the left, the washing water from the input passage IN is filtered by the filters F1 to F3.
Is set in the backwash mode in which the air is introduced into the inner space 3 of the filter F1, passes through the outer space 2 of the filters F1 to F3, and reaches the outlet 4. Although not shown in FIG. 1, the positions of the discharge port 4 and the inspection port 4 'of the input / output unit VA are described in Japanese Patent Application No. 9-36299.
The sample port described in No. 8 is attached so that the water quality can be inspected if necessary.

The filters F1, F2, F3 and the input / output unit VA are connected to each other so as to be detachable by a cylindrical connecting member 5. The filters F1 to F3 and the input / output unit VA are housed in the housing 6 in an integrated state. In this embodiment, the storage container 6 includes a right side plate 6a, a left side plate 6b, a bottom plate 6c, and a back plate 6d. By screwing the operation piece 7 attached to the back plate 6d, each of the filters F1 to F3 is formed. , The main body 9 and the other end 10 are integrated. Both ends of the right side plate 6a and the left side plate 6b are bent inward as shown in the figure, and the bent portion 11 is engaged with one end 8 of the filter and the back plate 6d of the storage container 6. I have. Screw holes 12 are formed in one end 8 of the filter and the input / output unit VA, respectively, corresponding to the four opening holes formed in the right side plate 6a and the left side plate 6b. Then, the fixing screws 13 are screwed through opening holes in the right side plate 6a and the left side plate 6b, thereby maintaining the integrated state of the filters F1 to F3 and the input / output unit VA. The bottom plate 6c of the storage container 6 has four legs 1
The height is adjustable by turning the leg 14. In addition, the right side plate 6a, the left side plate 6b, the bottom plate 6c, and the back plate 6d may be separate bodies or may be formed integrally. Further, the storage container 6 may be formed in a rectangular box shape opened only upward.

FIG. 3 shows the relationship between one end (communication part) 8, main body 9, and other end (end part) 10 of each of filters F1 to F3, and the other end 10, operation piece 7, and back plate 6d. Is a diagram illustrating the relationship. The filter body 9 has a cylindrical filtering member 16 housed in a cylindrical body container 15. The filtration member 16 is, for example, Stellapore (registered trademark), and is configured by housing a hollow fiber membrane 18 in a housing 17 having an opening on the outer peripheral surface. In the case of this filtering member 16, gaskets 19 are provided at both ends of the housing 17, so that the annular projections 20 of the one end 8 and the other end 10 press the gasket 19, so that the inner space 3 and the outer space 2 are pressed. Are sealed in a liquid-tight manner. An opening for receiving the ends of the main body container 15 and the filtering member 16 is formed on the inner surface side (the right side in FIG. 3) of the one end 8 of the filter. The part 8 holds the main body part 9.
Also, the inner surface side of the other end 10 of the filter (left side in FIG. 3).
A similar opening hole is also formed, and the other end 10 of the filter also holds the main body 9 via the O-ring 21. Although only the output-side passage is shown at one end 8 shown in FIG. 3, an input-side passage is also formed in parallel with the output-side passage.
Communicates with the outer space 2 of

The operating piece 7 has a pressing portion 2 formed in a bowl shape.
2, a rotatable shaft 23 supporting the pressing portion 22, and a head 24 integrated with the shaft 23. While the male screw groove is formed in the shaft portion 23, the rear plate 6d
Has a female screw groove corresponding thereto. Therefore, when the head 24 of the operation piece 7 is rotated, the shaft portion 23 enters the rear plate 6 d, and the pressing portion 2 supported by the shaft portion 23.
2 will press the other end 10. The other end 10 has an annular groove 24 that engages with the outer periphery of the pressing portion 22. As described above, in FIGS.
1 to F3 are connected in the vertical direction. For example, if the left side in FIG.
1 to F3 can be connected in the horizontal direction. Also,
1 to 3, one end portion 8 and the other end portion 10 of the filter are separately manufactured one by one, and these are connected by the connecting tool 5. 8 and the other end portion 10 can be integrally formed as a unit. In this case, the use of the connecting tool 5 is unnecessary.

FIG. 4 is a view showing a use state of the deaerator 31 according to the second embodiment, and shows a state in which the deaerator 31 is disposed between the RO tank 30 and the dialysis supply unit. . The RO water from the RO tank 30 is supplied from the input passage IN to the deaerator 31 by the water supply pump 32, and after the dissolved oxygen is removed, is introduced into the dialysis supply device from the output passage OUT. The output passage OUT is connected to the on-off valve B
It is also connected to the RO tank 30 via U, and when the dialysis device is at rest, the degassed RO water is circulated back to the RO tank 30. As shown in FIG. 5, the deaerator 31 includes deaeration membrane modules MO and MO arranged in two stages, upper and lower communication units 50 and 51, an input / output unit VA having a bypass function, and an input / output unit. Connecting block J for transmitting RO water from VA to degassing membrane module MO
And T. The degassing membrane module MO uses, for example, a hollow fiber membrane, and removes dissolved oxygen from RO water passing through the inside of the hollow fiber membrane by evacuating the outside of the hollow fiber membrane. As shown by the arrow in FIG.
Raw water from the input / output unit VA is transmitted to the right side of the deaeration module MO through the connection block JT, and the deaerated water reaching the left side of the deaeration module MO returns to the input / output unit VA.

As shown in FIG. 7, the input / output unit VA switches the operation mode by rotating the valves 1a and 1b by 90 degrees, and supplies the RO water from the RO tank 30 to the deaeration modules MO and MO. Normal mode (S in FIG. 4)
1) and a bypass mode (S2 in FIG. 4) for directly transmitting the RO water to the dialysis supply device can be selected. The connection block JT transmits the RO water supplied from the input / output unit VA to the degassing membrane module MO and supplies a part of the RO water to the ejector 34 to form a negative pressure for the degassing membrane module MO. This is the part to do. The connection block JT is composed of a first block B1 and a second block B2 in detail (see FIG. 6), and the first block B1
Is equipped with an ejector 34, and a flow meter 33 is disposed between the first block B1 and the second block B2. As shown in FIG. 6, most of the supplied RO water is transmitted to the flow meter 33, but part of the supplied RO water is transmitted to the ejector 34. Therefore, a negative pressure is obtained at the vacuum port 34a of the ejector 34, and this is applied to the degassing membrane modules MO, MO. The ejector 34
Between the vacuum port 34a and the deaeration module MO, manual open / close valves 35, 35 are provided so that the deaeration route can be closed as required. Also,
The discharge port 34 b of the ejector 34 is connected to the RO tank 30.

FIG. 8 shows an example of the internal structure of the degassing membrane module MO. In the case of the drawing, two degassing membrane modules MO are connected to one of the left and right communication parts 50 and 51.
, But one left and right communication part 5
Of course, one degassing membrane module MO may be accommodated in 0 and 51, and the connecting portions 50 and 51 may be connected to each other by the connecting tool 5 (FIG. 2). In any case, the deaeration member 40 is held in a liquid-tight state by O-rings 41 provided at both ends thereof. Further, the deaeration member 40 is housed in a cylindrical housing 42, and a deaeration hole 43 is provided in the cylindrical housing 42. As is apparent, this deaeration hole 43 is
It is connected to the vacuum port 34a of the ejector 34. The airtight state of the cylindrical housing 42 is maintained by the O-ring 44.

The deaerator having the above-described structure is housed in a housing having the same structure as the housing 6 shown in the first embodiment. That is, the operation pieces 7 which are accommodated in a storage container composed of the right side plate 6a, the left side plate 6b, the bottom plate 6c, and the back plate 6d and are attached to the back plate 6d are screwed into the left and right communication portions 50, 51 and the module. MO
Also, the connecting block JT and the input / output unit VA are integrated. Note that the entire storage container 6 may be integrally formed as described above. Further, according to the storage container of the present invention, the deaeration module MO can be connected in both the vertical and horizontal directions simply by changing the installation posture.

Although two embodiments of the present invention have been described above, the present invention is not limited to the embodiments. For example, instead of using the ejector 34,
A vacuum pump P may be used (FIG. 9). Also, instead of removing dissolved oxygen using a degassing membrane module MO,
CO2 may be dissolved in tap water flowing inside the degassing membrane. FIG. 10 shows a case where artificial carbonated water is artificially generated in order to improve blood flow in a nursing home or a hospital, and two degassing modules are provided between connecting portions 50 and 51 having the same configuration as in FIG. Contains MO. In this device, the deaeration hole 43 functions as an air supply hole, and a predetermined pressure of CO2 is supplied through the air supply hole 43. This device may also be housed in the same container as in the first embodiment, but may be integrated as a whole by attaching two stainless steel fixing plates 52 from the front and rear.

[0015]

As described above, according to the present invention, it is possible to provide a water treatment apparatus capable of freely increasing the number of units installed in both the vertical and horizontal directions. The water treatment apparatus of the present invention is preferably applied to a medical water treatment apparatus, particularly to a filtration apparatus or a deaeration apparatus used in a hospital or the like. Further, the deaerator according to claim 2 is widely used not only for medical treatment but also as a water treatment device for food.

[Brief description of the drawings]

FIG. 1 is a plan view (a) and a right side view (b) of a filtration device according to a first embodiment.

FIG. 2 is a schematic configuration diagram of the filtration device shown in FIG.

FIG. 3 illustrates the relationship between one end of a filter, a main body, and the other end.

FIG. 4 illustrates a state in which a deaerator according to a second embodiment is disposed between an RO tank and a dialysis supply device.

FIG. 5 schematically shows a water channel in a deaerator according to a second embodiment.

FIG. 6 is a schematic diagram of a waterway in a connecting block.

FIG. 7 is a perspective view showing an input / output block and a connection block.

FIG. 8 illustrates an example of the internal structure of the degassing membrane module MO.

FIG. 9 illustrates a modification of the deaerator according to the second embodiment.

FIG. 10 illustrates another modified example of the deaerator according to the second embodiment.

[Explanation of symbols]

 VA input / output block (input / output unit) F1 to F3 processing block (filter) 5 coupling tool 6 storage container, holder 8 communication unit (one end of filter) 9 processing main unit (9) 10 closing unit (other end of filter) Part) JT connection block MO processing main part (degassing module) 24 ejector 40 degassing member 50 first communication part 51 second communication part

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁷ identification symbol FI B01D 63/04 B01D 63/04 C02F 1/44 C02F 1/44 A (58) Investigation field (Int.Cl. ⁷ , DB name) ) B01D 19/00 B01D 61/18 B01D 61/28 B01D 61/36 B01D 63/00 500 B01D 63/04 C02F 1/44

Claims (2)

(57) [Claims] 1. An input passage and an output passage, a bypass passage communicating between the two passages, and an input / output passage.
Switching between the discharge port and inspection port to be contacted and the operation mode
And an input / output block (VA) including a valve for removing unnecessary substances from an input medium supplied from the input path and outputting the same to the output path. processing block, and, these in container (6) Tona Ru water treatment apparatus for integrally accommodating
The processing block includes a plurality of processing members connected in series as necessary, and each of the processing members corresponds to a corresponding portion of another processing member adjacent via a tubular connecting member (5). The connecting portion (8) connected to the shaft and both ends in the axial direction are opened,
A processing body (9) one end of which is supported by the connecting part (9)
And a closing part (10) for supporting the other end of the processing main body and closing this part, and screwing a screw member (7) from the outside of the storage container so that each processing member is moved in the axial direction. To integrate the processing block, and the bypass passage is provided with a valve.
Can be set to bypass mode or backwash mode by manual operation
A filtering device that can be used. 2. An operation mode for switching between an input passage and an output passage, a bypass passage communicating between the two passages, and an operation mode.
An input / output block (VA) comprising a valve for removing unnecessary substances from an input medium supplied from the input passage and outputting the same to the output passage; and processing the input medium supplied from the input passage. connection block tell block (JT), and a water treatment apparatus Do that because the holding body (6) for holding them integrally, said processing block, in addition to the lead-out passage which is their outlet passage adjacent The first communication part (50) to be communicated, the second communication part (51) when its own introduction path is connected to another adjacent introduction path, and the open both ends in the axial direction are the first communication parts. And a processing main unit (MO) held by the second communication unit.
In O), a deaeration member (40) made of a hollow fiber membrane is incorporated, and a flow meter and an ejector are provided in the connection block (JT), and an input supplied from the input passage is provided. Medium
Is transmitted to an ejector, a vacuum port (34a) of the ejector is connected to an outer space of the degassing member, and the bypass passage is provided for manual operation of the valve.
Therefore, the deaeration device can be set in the bypass mode .