JP5247758B2 - Filter and filter device - Google Patents

Description

  The present invention relates to a filter for filtering a target fluid and a filter device including the filter.

  Conventionally, as a filtering device, as shown in FIG. 15, a filtering device including a filter 200 that filters a target fluid by flowing in and out of the target fluid is known. The filter 200 is housed inside the main body 201 that is a housing and the main body 201, and when the target fluid passes, the filter 200 separates contaminants mixed in the target fluid from the target fluid. A filtering unit (for example, a strainer) 202 for filtering.

  The main body 201 includes a first inlet 203 for flowing in the target fluid, a first outlet 204 for flowing out the target fluid filtered by the filtering unit 202, and a fluid different from the target fluid (hereinafter referred to as the target fluid). A second inlet portion 205 for inflow of “backwash water” and a second outlet portion 206 for outflow of backwash water.

  A first inlet pipe 208 having a first inlet valve 207 is connected to the first inlet section 203, and a first outlet pipe 210 having a first outlet valve 209 is connected to the first outlet section 204, A second inlet pipe 212 having a second inlet valve 211 is connected to the second inlet part 205, and a second outlet pipe 214 having a second outlet valve 213 is connected to the second outlet part 206.

  When processing the target fluid, the filtration device opens the first inlet valve 207 and the first outlet valve 209 and closes the second inlet valve 211 and the second outlet valve 213. As a result, the target fluid from the upstream side flowing in the first inlet pipe 208 flows into the main body 201 through the first inlet 203, passes through the filtering unit 202, and then passes through the first outlet 204. , Flows in the first outlet pipe 210 and is sent to the downstream side.

  Further, when the filtering device continues to process the target fluid, the filtering function is deteriorated due to contaminants attached to the filtering unit 202. Therefore, in order to restore the filtration function, the foreign matter adhering to the filtration unit 202 is discharged from the main body unit 201, that is, backwashing is performed.

  And when performing backwashing, the filtration device closes the first inlet valve 207 and the first outlet valve 209 and opens the second inlet valve 211 and the second outlet valve 213. Thereby, the backwash water flowing in the second inlet pipe 212 flows into the main body 201 via the second inlet 205 and passes through the filter 202 in the direction opposite to the direction in which the target fluid passes. The contaminants adhering to the filtration unit 202 are separated from the filtration unit 202, and flow through the second outlet pipe 214 together with the contaminants via the second outlet unit 206 to be discharged (blowed).

  However, in such a filtering device, for example, the target fluid mixed with a large amount of contaminants may flow into the first inlet 203 when the target fluid flows in. In such a case, it is necessary to disassemble the filter 200 because the accumulated contaminants cannot be discharged by backwashing.

  Further, for example, when a larger amount of foreign matter flows than normally planned, the foreign matter gradually stays in the first inlet 203 with the flow rate of the target fluid substantially maintained, and the filtering function of the filter 200 is increased. When it is lowered, the foreign matter may already be clogged up to the inside of the first inlet pipe 208. In this case, not only the filter 200 is disassembled but also a wide disassembly such as removing the first inlet pipe 208 from the first inlet portion 203 is required.

  Therefore, in view of such circumstances, the present invention disassembles the filter that can flow out the foreign substances staying in the opening provided to flow the target fluid without disassembling, and the filter. It is an object of the present invention to provide a filtration device capable of flowing out foreign substances staying in an opening of a filter provided for inflow of a target fluid to the outside.

Filtration device according to the present invention includes a main body portion having a second opening for flowing out said target fluid from the first opening for flowing the target fluid, housed in the main body, the subject fluid passing in filter and a filtration unit for filtering, outflow said with another fluid from the subject fluid is configured to be flow into the inside of the main body portion, said another fluid to the outside of the main body portion from the first opening capable constructed, further, with adapted to pass through the filtration unit and the direction in which the further fluid to pass through the target fluid on the opposite direction, the further fluid over the entire circumference of the filtration unit pass Thus, the filtration unit is configured to be rotatable.

According to the present invention, the target fluid flows into the main body from the first opening, and after the target fluid is filtered when passing through the filter housed in the main body, the target fluid is opened to the second opening. It can flow out of the main part from the part. Furthermore, after a fluid other than the target fluid flows into the main body, another fluid can flow out of the main body from the first opening.
Furthermore, it is configured so that another fluid passes through the filtration unit in a direction opposite to the direction in which the target fluid passes, and the filtration unit can be rotated so that another fluid passes over the entire circumference of the filtration unit. Therefore, it is possible to remove foreign substances over the entire circumference of the filtration unit.

In the filter according to the present invention, the main body portion, filtered a third opening for flowing said another fluid, the said other fluid is flowed from the third opening in the main body portion portion and a jetting portion jetting toward the, from the first opening passes through the filtration portion and a direction in which the further fluid ejected from the ejection portion to pass through the target fluid on the opposite direction to the outside of the body portion You may comprise so that it may flow out.
In the filter according to another invention, the main body portion, and a third opening for introducing the different further another fluid from said another fluid, the fourth opening for flowing said another fluid and parts, a first ejection portion for ejecting the additional separate fluid to flow from the third opening in the main body portion toward the first opening, the further to flow from the fourth opening in the main body portion comprising of a second ejection portion for the fluid to be ejected toward the filtration unit, and a fifth opening for flowing out said another fluid,
Together configured such that the further alternative fluid ejected from the first ejecting portion flows out from the first opening to the outside of the body portion, the further fluid ejected from the second ejecting portion is the target fluid You may make it a structure which passes a filtration part in the direction opposite to the direction of passing, and flows out of a main-body part from a 5th opening part.

  According to such a configuration, when the target fluid is passed, another fluid passes through the filtration part and flows out of the main body part through the filtration part in a direction opposite to the direction of passing through the filtration part. Therefore, the foreign matter adhering to the filtration part is separated from the filtration part by another fluid and flows out of the main body part from the first opening together with the other fluid.

Further, in the filtration device according to the present invention, the above filter, a connection pipe connected to the first opening, the inlet pipe for flowing the target fluid to the connection tube, said further fluid from the connecting pipe And an outflow pipe for allowing the connection pipe to communicate with the inflow pipe and a state in which the connection pipe communicates with the outflow pipe.

  According to such a configuration, the connection pipe connected to the first opening communicates with the inflow pipe for flowing in the target fluid, and the connection pipe communicates with the outflow pipe for flowing out another fluid. Since the target fluid flows into the inside of the filter from the first opening through the inflow pipe and the connection pipe, another fluid flows from the first opening through the connection pipe and the outflow pipe. The state of flowing out of the filter can be switched.

  In the filtration device according to the present invention, the connection pipe may be connected to an inflow pipe and an outflow pipe, and the inflow pipe and the outflow pipe may be provided with valves.

  According to such a configuration, by opening the valve provided in the inflow pipe and closing the valve provided in the outflow pipe, the connection pipe communicates with the inflow pipe, and conversely, the valve provided in the outflow pipe is opened and connected to the inflow pipe. The connecting pipe communicates with the outflow pipe by closing the provided valve. Therefore, it is possible to switch between a state where the connecting pipe communicates with the inflow pipe and a state where the connecting pipe communicates with the outflow pipe.

As described above, according to the filter according to the present invention, after flowing another fluid inside the main body portion and the target fluid, that flows out of the further fluid from the first opening to the outside of the body portion Therefore, there is an excellent effect that foreign substances staying in the first opening provided for flowing in the target fluid can be flowed out without being decomposed.

  Further, according to the filtration device of the present invention, the state in which the target fluid flows into the inside of the filter from the first opening and the state in which another fluid flows out of the filtration from the first opening are switched. Therefore, the impurities staying in the first opening of the filter provided to flow in the target fluid can be discharged outside without disassembling the filter.

BRIEF DESCRIPTION OF THE DRAWINGS It is a general view of the filter concerning one Embodiment of this invention, Comprising: (a) is a front view, (b) shows a top view. It is a general view of the filter which concerns on the same embodiment, Comprising: (a) is sectional drawing in the AA line of FIG. 1, (b) shows sectional drawing in the BB line of FIG. It is a general view of the filter concerning the embodiment, (a) is a sectional view in the CC line of Drawing 2, and (b) shows the sectional view in the DD line of Drawing 2. It is a piping diagram of the filtration apparatus concerning the embodiment, Comprising: The principal part enlarged view is shown. FIG. 5 is a piping diagram of the filtration device according to the same embodiment, and shows an enlarged view in a region E of FIG. 4. In the filtration processing state of the filtration apparatus concerning the embodiment, (a) is a principal expanded piping figure, (b) shows the whole sectional view in an AA line of Drawing 1 of a filter. (A) is a principal part enlarged piping figure in the backwash process state of the filtration apparatus which concerns on the embodiment, (b) shows the whole sectional view in the AA line of FIG. 1 of a filter. It is a general view of the filter which concerns on other embodiment which concerns on this invention, Comprising: (a) is a front view, (b) shows a top view. In the filtration processing state and backwashing treatment state (of the filtration unit) of the filtration device according to the same embodiment, (a) is an enlarged view of the main part, (b) is an overall view of the filter, and FF in FIG. FIG. FIG. 9 is an overall view of the filter in the filtration processing state and the backwashing treatment state (of the filtration unit) of the filtration device according to the embodiment, where (a) is a cross-sectional view taken along the line GG in FIG. Shows a cross-sectional view taken along line H-H in FIG. In the backwash process state (of the 1st opening part) of the filtration apparatus concerning the embodiment, (a) is a principal part enlarged piping figure, (b) is the whole figure of a filter, and in the GG line of FIG. A cross-sectional view is shown. In the filtration processing state of the filtration device concerning other embodiments of the present invention, (a) shows an important section enlarged piping figure, and (b) shows the whole sectional view of a filter. In the backwash process state of the filter apparatus which concerns on the embodiment, (a) is a principal expanded piping figure, (b) shows the whole sectional drawing of a filter. The principal part enlarged piping diagram of each filtration apparatus which concerns on other embodiment of this invention is shown. The principal part expansion piping figure of the conventional filtration apparatus is shown.

  Hereinafter, a first embodiment of a filter and a filtration device according to the present invention will be described with reference to FIGS.

  As shown in FIGS. 1-3, the filter 1 which concerns on this embodiment has a 1st opening part 2a for flowing in a target fluid, and the main-body part which has the 2nd opening part 2b for flowing out a target fluid. 2 and a filtering unit 3 that filters the target fluid that passes through and is contained in the main body 2, and supplies a fluid (hereinafter also referred to as “backwash water”) different from the target fluid to the inside of the main body 2. The backwash water is configured to be able to flow out of the main body 2 from the first opening 2a.

  Specifically, in the filter 1, the direction in which the backwash water flows into the main body 2 from the third opening 2 c provided in the main body 2 and passes through the filtering unit 3 when the target fluid is filtered. In the opposite direction, the backwash water passes through the filtration unit 3, and the backwash water flows out of the main body 2 from the first opening 2 a.

  And the filter 1 is comprised so that the filtration part 3 can rotate centering | focusing on an up-down direction, and is provided with the rotation means 4 in order to rotate the filtration part 3. FIG. Moreover, the filter 1 is provided with the hollow-shaped isolation | separation part 5 which has the channel | path inside which isolate | separates the target fluid filtered by the filtration part 3 from the target fluid which is not filtered, and guides to the 2nd opening part 2b. Further, the filter 1 includes a jetting unit 6 that jets backwash water flowing into the main body 2 from the third opening 2c toward the filtering unit 3.

  The main body 2 is formed in a columnar shape, and is formed in a hollow shape so as to accommodate the filtration unit 3. The main body 2 has a first opening 2a on one side of the side, a second opening 2b on the other side, and a third opening 2c on the lower surface. In addition, the 1st opening part 2a and the 2nd opening part 2b are formed in the substantially same magnitude | size, and the 3rd opening part 2c is formed smaller than the 1st opening part 2a and the 2nd opening part 2b.

  The filtration part 3 is formed in a hollow shape, and a part thereof is opened. Specifically, the filtration part 3 is formed in a cylindrical shape, with the upper part closed and the lower part opened. The filtering unit 3 is provided with a plurality of holes (not shown) on the side surface, and separates impurities larger than the holes from the target fluid passing through the side surface from outside to inside, that is, filtering the target fluid. Configured as follows.

  Moreover, the filtration part 3 is comprised so that a lower end surface may press on the upper surface of the isolation | separation part 5, and may slidably contact, when rotating. Thus, the target fluid is prevented from flowing into the inside of the filtering unit 3 from between the lower end surface of the filtering unit 3 and the upper surface of the separating unit 5, and the target fluid that has not been filtered is allowed to flow into the filtering unit 3. It is preventing.

  The rotating means 4 extends from the inside of the main body 2 to the outside along the vertical direction, and has a rotating shaft 4a fixed to the filtering unit 3 and an end disposed outside the main body 2 on the rotating shaft 4a. And a handle 4b fixed to the section. Thereby, it is comprised so that the filtration part 3 may rotate, when the rotating shaft 4a rotates via the handle | steering-wheel 4b.

  The isolation part 5 is formed in a cylindrical shape and a hollow shape, and the inside communicates with the inside of the filtration part 3 by an opening 5a provided on the upper surface, and the inside communicates with the second opening 2b by an opening 5b provided on the side surface. To be formed. Further, the isolation part 5 is formed such that the upper surface is larger than the lower end surface of the filtration part 3.

  The ejection portion 6 extends along the vertical direction so as to face the side surface of the filtration unit 3 in order to separate the foreign matter attached (locked) to the outside of the side surface of the filtration unit 3 from the filtration unit 3. A plurality of jet outlets 6a for jetting backwash water are provided in the vertical direction.

  And the ejection part 6 is installed in the vicinity so that it may not interfere with the filtration part 3, and the pressure lost until the backwash water urges impurities is reduced. Moreover, the ejection part 6 is fixed with respect to the main-body part 2, and when the filtration part 3 rotates, the side surface of the filtration part 3 can be backwashed over the perimeter.

  As shown in FIGS. 4 and 5, the filter 1 according to this embodiment supplies seawater as cooling water to a condenser (not shown) that cools steam exhausted from a turbine (not shown). It is employed in the filtration device 100 for supplying. In the filter 1 and the filtration device 100 according to this embodiment, the target fluid is seawater.

  The filtration device 100 includes a first pump 101 for sending a target fluid (hereinafter also referred to as “seawater”) to a condenser, a branching unit 102 for branching a part of seawater sent from the first pump 101, and a branch. The filter 1 which filters the processed seawater, and the 2nd pump 103 for sending the seawater filtered with the filter 1 to the 1st pump 101 as lubricating water for bearings are provided.

  The filtration device 100 is opened when a flow rate detection means (flow rate sensor) 104 that detects the flow rate of the lubricating water for bearings sent to the first pump 101 and when the flow rate detection means 104 does not detect a flow rate of a predetermined amount or more. When the replenishment water valve 105 is opened, clean water as supply water is supplied to the first pump 101 as bearing lubrication water.

  Therefore, the filtering device 100 normally supplies the seawater filtered by the filter 1 to the first pump 101 via the second pump 103, but the seawater sent to the first pump 101 due to a trouble of the filter 1 or the like. When the flow rate is insufficient, clean water is supplied to the first pump 101. Moreover, the clean water as make-up water is also supplied to the filter 1 as backwash water (a fluid different from the target fluid).

  The filtering device 100 includes a filter 1, a connecting pipe (a connecting pipe according to the present invention, hereinafter also referred to as a “first connecting pipe”) 106 connected to the first opening 2 a, a first A state in which an inflow pipe 107 for flowing seawater into the connection pipe 106 and an outflow pipe 108 for flowing backwash water out of the first connection pipe 106 are in communication with the inflow pipe 107; The first connecting pipe 106 is configured to be switchable to a state of communicating with the outflow pipe 108.

  Specifically, in the filtration device 100, one end of the first connection pipe 106 is connected to the first opening 2 a of the filter 1, and the inflow pipe 107 is connected to the other end of the first connection pipe 106. The outflow pipe 108 is connected, and the inflow pipe 107 and the outflow pipe 108 are provided with valves (hereinafter also referred to as “inflow pipe valve” and “outflow pipe valve”) 109 and 110, respectively.

  In the filtering device 100, the second opening 2b is connected to the second connecting pipe 111 for flowing seawater downstream, and the third opening 2c is connected to the second opening 2c for flowing backwash water. 3 connection pipe 112 is connected, and valves (hereinafter also referred to as “second connection pipe valve” and “third connection pipe valve”) 113 and 114 are respectively connected to the second connection pipe 111 and the third connection pipe 112. Provided. In the filtration device 100, a pair of the filter 1, the pipes 106, 107, 108, 111, and 112 and the valves 109, 110, 113, and 114 are arranged in parallel.

  The configurations of the filter 1 and the filtration device 100 according to this embodiment are as described above. Next, the operation of the filter 1 and the filtration device 100 according to this embodiment will be described with reference to FIGS. .

First, when the filtration treatment of seawater, as shown in FIG. 6 (a), by opening the inlet tube valve 109 and the second connection pipe valve 113, closes the outflow pipe valve 1 10 and the third connecting pipe valve 114 . Thereby, the seawater sent from the upstream side flows into the inside of the filter 1 from the first opening 2a through the inflow pipe 107 and the first connection pipe 106, and is filtered inside the filter 1. Thereafter, it flows out of the filter 1 from the second opening 2b and is sent to the downstream side via the second connecting pipe 111 (solid line in FIG. 6A).

  Here, in the inside of the filter 1, as shown in FIG.6 (b), the seawater which flowed in from the 1st opening part 2a flows in into the inside of the filtration part 3 from a side surface. At this time, impurities larger than the holes provided on the side surface of the filtration unit 3 are separated from seawater by adhering (locking) to the side surface of the filtration unit 3. And the seawater filtered by the filtration unit 3 flows into the interior of the isolation unit 5 from the opening 5a provided on the upper surface of the isolation unit 5, and then flows out from the opening 5b provided on the side surface of the isolation unit 5, It flows out from the second opening 2b. In addition, the dotted line in FIG.6 (b) has shown the flow path of seawater.

  Next, when discharging impurities (back washing process), as shown in FIG. 7A, the outflow pipe valve 110 and the third connection pipe valve 114 are opened, and the inflow pipe valve 109 and the second connection valve 114 are opened. The connection pipe valve 113 is closed. Thereby, backwash water flows into the inside of the filter 1 from the 3rd opening part 2c via the 3rd connection pipe 112, and after the backwash process is carried out inside the filter 1, from the 1st opening part 2a, It flows out of the filter 1 and is discharged (blowed) through the first connection pipe 106 and the outflow pipe 108 (solid line in FIG. 7A).

  Here, in the inside of the filter 1, as shown in FIG.7 (b), the backwash water which flowed in from the 3rd opening part 2c flows into the side surface of the filtration part 3 from the jet outlet 6a of the ejection part 6, .... It spouts towards. At this time, since the foreign matter adhered (locked) to the side surface of the filtration unit 3 is urged by the backwash water, the foreign matter is separated from the side surface of the filtration unit 3. And the backwash water flows out from the 1st opening part 2a with a foreign material. At this time, since the filtering unit 3 is rotated by the rotating means 4 (in the direction of the solid line in FIG. 7B), the foreign matter adhered (locked) over the entire circumference of the filtering unit 3 is exposed to the outside. leak. In addition, the dashed-dotted line in FIG.7 (b) has shown the flow path of backwash water.

  As mentioned above, since the filter 1 which concerns on this embodiment can flow backwash water into the inside of the main-body part 2 after flowing backwash water into the exterior of the main-body part 2 from the 1st opening part 2a, Without being decomposed, foreign substances staying in the first opening 2a provided for inflowing seawater can flow out to the outside.

  Moreover, the filter 1 which concerns on this embodiment WHEREIN: Backwash water passes the filtration part 3 in the direction opposite to the direction which passes the filtration part 3 when seawater passes, and from the 1st opening part 2a. Since it flows out of the main body 2, the foreign matter adhering to the filtering unit 3 is separated from the filtering unit 3 by the backwash water and flows out of the main body 2 from the first opening 2 a together with the backwash water. Can do.

  In addition, the filtration device 100 according to the present embodiment opens the inflow pipe valve 109 provided in the inflow pipe 107 and closes the outflow pipe valve 110 provided in the outflow pipe 108, thereby allowing the inflow pipe 107 and the first connection pipe 106. Seawater can flow into the inside of the filter 1 from the first opening 2a, and by opening the outflow pipe valve 110 and closing the inflow pipe valve 109, the first connection pipe 106 and the outflow pipe 108 Wash water can flow out of the filter 1 from the first opening 2a.

  Therefore, since the state in which seawater flows into the inside of the filter 1 from the first opening 2a and the state in which backwash water flows out of the filter 1 from the first opening 2a can be switched. Without decomposing 1, foreign matter staying in the first opening 2 a of the filter 1 provided for inflowing seawater can flow out to the outside.

  Next, a second embodiment of the filter and the filtration device according to the present invention will be described with reference to FIGS. The filter 1 according to the first embodiment is configured such that the backwash water flows out from the first opening 2a after passing through the filter part 3, whereas the filter according to the second embodiment is The backwash water flows out from the first opening without passing through the filtration part.

  As shown in FIGS. 8-11, the filter 11 which concerns on this embodiment is accommodated in the inside of the main-body part 12, and is equipped with the filtration part 13 which filters the target fluid to pass through, and the main-body part 12 contains target fluid. A first opening 12a for flowing in, a second opening 12b for flowing out the target fluid, and a second fluid for flowing in a fluid different from the target fluid (hereinafter referred to as "first backwash water"). The third opening 12c, a fourth opening 12d for flowing in another fluid other than the target fluid (hereinafter referred to as "second backwash water"), and a fifth for flowing out the second backwash water. The first backwash water is configured to be able to flow out of the main body 12 from the first opening 12a.

  And the filter 11 rotates the filtration part 13 comprised so that it can rotate centering on an up-down direction like the filtration part 3, the rotation means 4, and the isolation | separation part 5 in the filter 1 of 1st Embodiment. And a hollow separator 15 having a passage for isolating the target fluid filtered by the filter 13 from the target fluid that has not been filtered and leading to the second opening 12b. .

  Moreover, the filter 11 has the 1st ejection part 16 which ejects the 1st backwash water which flows in into the inside of the main-body part 12 from the 3rd opening part 12c toward the 1st opening part 12a, and 4th opening part 12d. The second backwashing water 17 that spouts the second backwashing water flowing into the main body 12 from the filter 12 toward the filtering unit 13, and the contamination separated from the filtering unit 13 by the second backwashing water and the second backwashing water. And a guide unit 18 for guiding an object to the fifth opening 12e.

  The first jet part 16 is formed with a jet outlet 16a for jetting the first backwash water smaller than the first opening part 12a. And the 1st ejection part 16 is arrange | positioned so that the ejection port 16a may be formed in a substantially circular shape, and the ejection port 16a is substantially concentric with the 1st opening part 12a formed in a substantially circular shape. The first jet part 16 has a lid-like valve body 16b that opens the jet port 16a when jetting the first backwash water and closes the jet port 16a when the first backwash water is not jetted. Is provided.

  The second ejection part 17 extends in the vertical direction so as to face the side surface of the filtration part 13 and interferes with the filtration part 13 in substantially the same manner as the ejection part 16 in the filter 1 of the first embodiment. In addition, a plurality of jet outlets 17a,... For jetting backwash water are provided in the vertical direction.

  The guide portion 18 extends in a cylindrical shape from the fifth opening 12 e toward the side surface of the filtration portion 13. And the guide part 18 is the opening edge part by the side of the filtration part 13 in order to enable back filtration of the filtration part 13 with the 2nd backwash water simultaneously with the object fluid being filtered by the filtration part 13. 18a is arrange | positioned in the vicinity so that it may not interfere with the filtration part 13. FIG. Moreover, the guide part 18 is extended along the up-down direction so that the opening edge part 18a by the side of the filtration part 13 may oppose the 2nd ejection part 17, more specifically, the ejection port 17a.

  In the filtering device 120 including the filter 11, one end of a first connection pipe (“connection pipe” according to the present invention) 121 is connected to the first opening 12 a, and the first connection pipe 121 An inflow pipe 122 for inflowing the target fluid and an outflow pipe 123 for outflow of the first backwash water are connected to the other end, and an inflow pipe valve 124 is provided in the inflow pipe 122. The outflow pipe 123 is provided with an outflow pipe valve 125.

  And in the filtration apparatus 120, the 2nd connection pipe 126 for flowing out an object fluid is connected to the 2nd opening part 12b downstream, and the 1st backwash water flows in into the 3rd opening part 12c. The third connection pipe 127 is connected, the second connection pipe 126 is provided with a second connection pipe valve 128, and the third connection pipe 127 is provided with a third connection pipe valve 129.

  Further, in the filtration device 120, a fourth connection pipe 130 for flowing in the second backwash water is connected to the fourth opening 12d, and the second backwash water flows out to the fifth opening 12e. The fifth connection pipe 131 is connected, the fourth connection pipe 130 is provided with a fourth connection pipe valve 132, and the fifth connection pipe 131 is provided with a fifth connection pipe valve 133.

  The configurations of the filter 11 and the filtration device 120 according to the present embodiment are as described above. Next, the operation of the filter 11 and the filtration device 120 according to the present embodiment will be described.

  First, when subjecting the target fluid to filtration and backwashing the filter 13, as shown in FIG. 9A, an inflow pipe valve 124, a second connection pipe valve 128, a fourth connection pipe valve 132, The fifth connection pipe valve 133 is opened, and the outflow pipe valve 125 and the third connection pipe valve 129 are closed.

  Thus, after the target fluid sent from the upstream side flows into the inside of the filter 11 from the first opening 12a through the inflow pipe 122 and the first connection pipe 121, and is filtered by the filtration section 13. , Flows out of the filter 11 from the second opening 12b, and is sent to the downstream side via the second connection pipe 126. Further, the second backwash water is supplied to the second via the fourth connection pipe 130. After flowing into the inside of the filter 11 from the 4 opening 12d and backwashing the filtering part 13, it flows out from the fifth opening 12e to the outside of the filter 11 through the guide part 18, and the fifth connecting pipe valve 133 Then, it is discharged (blowed) through (solid line flow path in FIG. 9A).

  Here, inside the filter 11, as shown in FIGS. 9B and 10, the target fluid that has flowed from the first opening 12 a is filtered (contaminated contaminants) when passing through the filter 13. Is separated) and flows out from the second opening 12b through the isolation part 15. In addition, the dotted line in FIG.9 (b) and FIG. 10 has shown the flow path of the target fluid.

  At the same time, as shown in FIGS. 9 (b) and 10 (b), the second backwash water flowing in from the fourth opening 12d is filtered from the outlets 17a,. Together with the foreign matter ejected toward the side surface of 13 and separated from the side surface of the filtration unit 3, it flows out from the fifth opening 12e through the guide unit 18 to the outside. At this time, since the filtration unit 13 is rotated by the rotating means 14 (in the direction of the solid line in FIG. 9B and FIG. 10), the backwash process can be performed over the entire circumference of the filtration unit 13. In addition, the dashed-dotted line in FIG.9 (b) and FIG.10 (b) has shown the flow path of the 2nd backwash water.

  Next, when backwashing the first opening 12a, as shown in FIG. 11A, the inflow pipe valve 124, the second connection pipe valve 128, the fourth connection pipe valve 132, and the fifth connection The pipe valve 133 is closed, and the outflow pipe valve 125 and the third connection pipe valve 129 are opened. Thus, after the first backwash water flows into the inside of the filter 11 from the third opening 12c via the third connection pipe 127, the first backwash water flows out of the filter 11 from the first opening 12a, It is discharged (blowed) through the one connecting pipe 121 and the outflow pipe 123 (solid line flow path in FIG. 11A).

  Here, in the inside of the filter 11, as shown in FIG.11 (b), the 1st backwash water which flowed in from the 3rd opening part 12c flows into the 1st opening part 12a from the jet outlet 16a of the jetting part 16. FIG. It spouts towards. At this time, the valve body 16b that has closed the jet nozzle 16a is rotated by being biased by the first backwash water to open the jet nozzle 16a. And the 1st backwash water flows out outside from the 1st opening part 12a with the foreign material which stays in the 1st opening part 12a, for example. In addition, the dashed-dotted line in FIG.11 (b) has shown the flow path of 1st backwash water.

  As described above, the filter 11 according to this embodiment allows the first backwash water to flow into the main body 12 from the third opening 12c and then flows out of the main body 12 from the first opening 12a. Therefore, the foreign matter staying in the first opening 12a provided to flow in the target fluid can be discharged to the outside without being decomposed.

  Moreover, the filter 11 which concerns on this embodiment is the 2nd reverse flow which flowed in via the 4th opening part 12d separately from the 1st ejection part 16 which ejects the 1st backwash water toward the 1st opening part 12a. In order to provide the 2nd ejection part 17 which ejects washing water toward the filtration part 13, and the guide part 18 which guides the ejected 2nd backwash water to the 1st opening part 12a with a foreign material, it filters target fluid. Simultaneously with the treatment, the backwashing treatment of the filtration unit 13 can be performed. Therefore, since clogging or the like does not occur in the filtration unit 13, the target fluid can be continuously filtered.

  Note that the filter and the filtration device according to the present invention are not limited to the above-described embodiments, and it is needless to say that various modifications can be made without departing from the gist of the present invention. Further, the configurations and methods of the plurality of embodiments described above may be arbitrarily adopted and combined (even if the configurations and methods according to one embodiment are applied to the configurations and methods according to other embodiments). Of course, it is of course possible to arbitrarily select configurations, methods, and the like according to various modifications described below and employ them in the configurations, methods, and the like according to the above-described embodiments.

  For example, in the filters 1 and 11 according to the above embodiment, the case where the backwash water flows from the third openings 2c and 12c has been described. However, the present invention is not limited to this case, and the backwash water is supplied from the second opening. It may be inflow. That is, it is not an essential configuration to provide a new opening in addition to the opening for flowing backwash water, that is, the second opening.

  For example, as shown in FIGS. 12 and 13, the filter 21 includes a main body 22 having a first opening 22a for flowing in the target fluid and a second opening 22b for flowing out the target fluid, And a filtration unit 23 that filters the target fluid that is housed in the main body 22 and that passes through the main body 22, and is configured to allow backwash water to flow into the main body 22 from the second opening 22b. May be configured to be able to flow out from the first opening 22a to the outside of the main body 22.

  Moreover, in the filtration apparatus 140 provided with this filter 21, the one end part of the 1st connection pipe 141 is connected to the 1st opening part 22a, and the other end part of the 1st connection pipe 141 is object from the upstream. A first inflow pipe 142 for inflowing fluid and a first outflow pipe 143 for outflow of backwash water are connected, and the first inflow pipe 142 is provided with a first inflow pipe valve 144, The first outflow pipe 143 is provided with a first outflow pipe valve 145.

  Furthermore, in the filtering device 140, one end of the second connection pipe 146 is connected to the second opening 22b, and the other end of the second connection pipe 146 is connected to the second opening 22b for flowing the target fluid downstream. 2 outflow pipe 147 and a second inflow pipe 148 for flowing backwash water are connected, the second outflow pipe 147 is provided with a second outflow pipe valve 149, and the second inflow pipe 148 includes A second inflow pipe valve 150 is provided.

  Then, when filtering the target fluid, the filtering device 140 opens the first inflow pipe valve 144 and the second outflow pipe valve 149 and opens the first outflow pipe valve 145 and the second inflow, as shown in FIG. When the pipe valve 150 is closed (the solid line in FIG. 12A) and backwashed with backwash water, the first inlet pipe valve 144 and the second outlet pipe valve are shown in FIG. 149 is closed, and the first outflow pipe valve 145 and the second inflow pipe valve 150 are opened (the solid line in FIG. 13A). In addition, the dotted line in FIG.12 (b) shows the flow path of object fluid, and the dashed-dotted line in FIG.13 (b) shows the flow path of backwash water.

  In the filtration devices 100 and 120 according to the above embodiment, the valves 109, 110, 124, and 125 are connected to the inflow pipes 107 and 122 and the outflow pipes 108 and 123, respectively, connected to the (first) connection pipes 106 and 121. However, the present invention is not limited to this case.

  For example, as shown in FIG. 14 (a), one end of a connection pipe 151 is connected to the first opening 30a of the filter 30, and the other end of the connection pipe 151 is connected via a three-way valve 152 to the target. An inflow pipe 153 for inflowing fluid from the upstream side and an outflow pipe 154 for discharging backwash water may be connected.

  According to this configuration, the three-way valve 152 can switch between a state in which the connection pipe 151 communicates with the inflow pipe 153 and a state in which the connection pipe 151 communicates with the outflow pipe 154. Therefore, it is not necessary to provide separate valves for the inflow pipe 153 and the outflow pipe 154, respectively, and it is possible to eliminate a valve operation error and the presence of a reservoir that cannot be backwashed.

  Further, for example, the connection pipe and the inflow pipe may be switched or the connection pipe and the outflow pipe may be switched by a single flexible pipe. That is, of the inflow pipe and the outflow pipe, one connected to the flexible pipe communicates with the connection pipe, and the other not connected to the flexible pipe is opened. In short, the filtering device is configured to be able to switch between a state in which the target fluid flows into the filter from the first opening and a state in which another fluid flows out of the filter from the first opening. That's fine.

  Moreover, in the filter 1 and the filtration apparatus 100 which concern on the said 1st Embodiment, although the target fluid was seawater and the fluid different from a target fluid, ie, the case where backwash water is a clean water, It is not limited to such a case. For example, the target fluid may be a liquid other than seawater, or may be a gas, a solid, or a mixture of two or three thereof. In addition, the fluid other than the target fluid may be a liquid other than backwash water (clean water), or may be a gas, a solid, or a mixture of these two or three.

  Moreover, the filter which concerns on this invention may be comprised so that the rotation filtration part can rotate automatically. For example, in 1st Embodiment, it replaces with the handle | steering-wheel 4b, and the drive part (motor) is provided, and the filtration part 3 may be comprised so that it can rotate automatically via the rotating shaft 4a.

  Further, the filtration device according to the present invention may be configured to be able to automatically switch the operation of each valve. For example, as illustrated in FIG. 14B, the filtering device 155 includes the filters 1 and 1 according to the first embodiment arranged in parallel, and the inlet portion (first opening) of the target fluid in each filter 1. The pressure difference between 2a and the exit part (2nd opening part) 2b may be detected, and the filtration process of the object fluid and the backwash process of the filter 1 may be comprised so that control is possible.

  Such a filtering device includes, for example, a first pressure sensor 156 that detects the pressure of the first opening 2 a of the filter 1, a second pressure sensor 157 that detects the pressure of the second opening 2 b of the filter 1, You may provide the control part (not shown) which controls the opening / closing operation | movement of each motor operated valve (not numbered) by the pressure value detected by the 1 pressure sensor 156 and the 2nd pressure sensor 157.

  DESCRIPTION OF SYMBOLS 1 ... Filter, 2 ... Main-body part, 2a ... 1st opening part, 2b ... 2nd opening part, 3 ... Filtration part, 100 ... Filtration apparatus, 106 ... (1st) Connecting pipe, 107 ... Inflow pipe, 108 ... Outflow pipe, 109 ... (inflow pipe) valve, 110 ... (outflow pipe) valve

Claims (5)

A body portion having a second opening for flowing out the first opening for flowing the target fluid the fluid of interest is contained in the main body, and a filtration unit for filtering the target fluid through In the filter,
Wherein with another fluid with the fluid to be arranged in a can flow into the interior of the body portion, the further fluid outlet capable consist first opening to the outside of the main body portion,
Moreover, with the further fluid is configured to pass through the filtration portion on the opposite direction to the direction in which the target fluid passes, so that the further fluid passes over the entire circumference of the filtration unit, the filtration unit The filter is configured to be rotatable. The body portion is provided with a third opening for flowing said another fluid, and a jetting section of the further fluid flow from the third opening in the main body portion is ejected toward the filtration unit,
From the first opening passes through the filtration portion and a direction in which the further fluid ejected from the ejection portion to pass through the target fluid on the opposite direction to claim 1 configured to flow outside of the main body portion The filter according to the description. Body portion, and a third opening for introducing the different further another fluid from said another fluid, and a fourth opening for flowing said another fluid, inside the main body from the third opening the jetted toward said first ejecting portion for ejecting toward the further another fluid to the first opening for flowing, said another fluid to flow from the fourth opening in the main body portion to the filtration unit to the 2 comprising: a jetting portion, and a fifth opening for flowing out said another fluid,
Together configured such that the further alternative fluid ejected from the first ejecting portion flows out from the first opening to the outside of the body portion, the further fluid ejected from the second ejecting portion is the target fluid The filter according to claim 1, wherein the filter is configured to pass through the filtration portion in a direction opposite to the passage direction and to flow out of the main body portion from the fifth opening portion. And filter according to claim 1 or 2, a connecting pipe connected to the first opening, the inlet pipe for flowing the target fluid to the connection tube, for flowing the another fluid from the connecting pipe An outflow pipe is configured to be switchable between a state in which the connection pipe communicates with the inflow pipe and a state in which the connection pipe communicates with the outflow pipe.   The filtration device according to claim 4, wherein an inflow pipe and an outflow pipe are connected to the connection pipe, and a valve is provided in each of the inflow pipe and the outflow pipe.

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