TW200922702A - Membrane cleaning fluid supply joint and filtration equipment - Google Patents

Abstract

Provided is a film washing fluid supply joint for adjusting the supply of such a film washing fluid to a lower pipe of a filtration film module as is supplied into the lower pipe at the filtration film washing time of the filtration film module. The film washing fluid supply joint comprises a joint member for connecting the lower pipe of the filtration film module and a branch pipe of a header pipe watertight. The film washing fluid supply joint is characterized in that the joint member includes a cylinder portion, into which the lower pipe is inserted from one end portion and into which the branch pipe is inserted from the other end portion, in that a predetermined clearance is formed between the inner circumference of the cylinder portion and at least one of the outer circumference of the lower pipe and the outer circumference of the branch pipe, in that a discharge port for discharging the film washing fluid to the outer circumference of the lower pipe or the branch pipe is formed in that portion of the cylinder portion, in which the clearance is formed, and in that a supply pipe for supplying the film washing fluid is connected to the discharge port.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a membrane cleaning fluid supply joint and a filtration device including the membrane cleaning fluid supply joint, the membrane cleaning fluid supply being coupled to a filter membrane module When the filter membrane of the group is cleaned, the cleaning fluid is supplied into the piping below the membrane module. For example, the introduction of a gas into a pipe for transporting raw water to a filter membrane module through a raw water introduction port provided in the filter cartridge module is disclosed in Japanese Laid-Open Patent Publication No. 200-079364. When a gas is introduced into the filtration membrane module, a gas or a liquid is introduced into the filtration side of the filtration membrane, so that the gas or liquid is transmitted from the filtration side of the membrane to the raw water side. Patent Document 1: JP-A-2001-079364 SUMMARY OF THE INVENTION Problems to be Solved by the Invention However, in the above-described prior examples, there is a problem in that when the filter membrane of the filter cartridge is cleaned, Near the discharge port, the supply amount of air or chemical liquid supplied to the pipe under the filter membrane module increases, and the supply amount decreases from the discharge port, and is not uniformly supplied to the entire filter membrane. Thus, one side of the filter membrane cannot be sufficiently cleaned. The present invention has been made to solve the above problems, and an object of the invention is to provide a membrane cleaning fluid supply joint and a filter device for providing a membrane cleaning fluid supply joint. The membrane cleaning fluid supply joint is a filter membrane for a filter and a membrane module. When cleaning is performed, the cleaning fluid supplied to the piping under the smear group can be uniformly supplied to the entire filtration membrane. Means for Solving the Problem The crucible cleaning fluid supply joint of the present invention for achieving the above object is characterized in that, when the filter membrane of the (four) membrane module is cleaned, the filter membrane module is The supply pipe cleaning fluid in the lower pipe is connected to the joint member of the branch pipe of the pipe manifold at the lower portion of the filter film module, and the joint member has a tubular portion, and the above-mentioned = pipe is from the end portion thereof Inserted, and the branch pipe is inserted from the other end portion, and is at least one of the inner circumferential surface of the tubular portion, the outer circumferential surface of the lower pipe, and the outer circumferential surface of the branch pipe; A portion of the tubular portion where the gap is provided is provided with a supply pipe for discharging the film cleaning fluid to the outer peripheral surface of the branch pipe, and a supply pipe for connecting the body to the discharge port. Use machine

In the case of the above-mentioned lower portion of the lower pipe and the branch pipe, the above-mentioned lower portion is in the axial direction of the lower pipe and the branch pipe. The joint member is rr: the flow path resistance of the cleaning fluid in the lower pipe and the branch pipe. , " The supply of the film cleaning fluid of the 卩 & amp amp ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' The τ portion pipe and the branch pipe are attached to the dam portion 34488.doc 200922702, and the thread portion of the screw portion that can be rotated a is provided on the inner peripheral portion: the outer peripheral end of the tubular portion is in the outer cap and respectively And the sealing member is placed in the cover opening pipe or the branch pipe, and the screw portion of the peripheral portion of the outer circumference of the cylindrical portion is screwed and fastened to the upper plate. a threaded portion of the adjacent end portion is pressed against the end of the tubular portion = the outer surface of the lost tube or the outer peripheral surface of the branch tube to be γ-sealed, and the joint member is watertightly connected to the lower tube and the branch In the fourth aspect of the present invention, the film cleaning flow 4 of the invention is characterized in that the inner peripheral surface of the discharge port is provided with respect to the cylindrical portion. The axis direction is inclined by a slope of a special angle. The crucible cleaning of the present invention flows through the inner peripheral surface of the tubular portion, and the groove is formed in the membrane cleaning stream of the present invention, at least the joint member, and the constituent member of the first to fourth embodiment is supplied to the joint. The fifth configuration is characterized in that a groove communicating with the discharge port is formed, and the entire inner circumferential surface of the cylindrical portion around the shaft is formed. Further, the sixth configuration of the constituent body supply joint according to any one of the above 1st to 5th is characterized in that the tubular portion is transparent, and it is visually recognized that the membrane cleaning fluid is uniformly dispersed in the tubular portion from the spray: The entire circumferential surface of the tubular portion is uniformly supplied to the lower pipe. According to a seventh aspect of the present invention, in the seventh aspect of the present invention, the film cleaning fluid supply connector is characterized in that the film cleaning fluid is air, and the inner circumferential surface of the space 4 and the outer circumferential surface of the lower pipe are The gap is set to 134488.doc 200922702. The above-mentioned discharge port is provided in a portion of the tubular portion where the gap is provided, and air is ejected to the outer peripheral surface of the lower pipe. Further, the present invention is characterized in that the over-twisting device includes: a diaphragm module having a filter membrane; and a fluid supply connector for membrane cleaning, which is used in the filtration and membrane module. In the cleaning, the film cleaning fluid is supplied to the lower portion of the membrane module, and the supply pipe supplies the medium cleaning fluid to the membrane cleaning fluid supply connector. The membrane cleaning fluid supply connector includes a joint member. The joint member is connected to the branch pipe of the fish tube at the lower portion of the diaphragm module in a watertight structure, the joint member has a tubular portion, the lower pipe is inserted from the side thereof, and the branch pipe is from the other - the end portion of the side is inserted, and a specific gap is provided between the inner circumferential surface of the above-mentioned inner surface, the outer circumferential surface of the lower piping, and the outer surface of the branch pipe: at least one of the surfaces, and the portion having the gap is provided The above-mentioned lower = discharge film cleaning (four) body is sprayed on the above-mentioned ^^ supply pipe. The effect of the above invention is based on the first configuration of the discharge port 2 provided in the tubular portion of the joint member according to the present invention, and if the outer surface of the branch pipe is discharged from the outer surface of the branch pipe,俨 、 , " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "

The peripheral surface of the lower pipe or the branch H can be seen to be able to clean the flow of the crucible: < the wall surface and the ring portion are uniformly fed to the end of the second or second branch in the circumferential direction. The second structure of the fluid supply joint is connected to the axial direction of the lower pipe and the branch pipe by the 134488.doc 200922702 = ,, whereby the distance between the ends of the lower pipe or the branch pipe can be adjusted, and as a result, the gap can be adjusted. Membrane in the flow = the flow path resistance of the fluid, so that the flow can be adjusted. According to the third embodiment of the membrane cleaning fluid supply #«. U ^ i according to the present invention, the screw is screwed and fastened to the opposite ends of the tubular portion respectively: This can be sealed with a watertight member Between the outer surface of the cylinder and the outer surface of the cylinder, ^r μ 丹布4 is equipped with ^+^4 4 Ρ ^ surface and the branch pipe (4) Ding De seal, so that a reliable seal can be achieved. According to the present invention, the cleaning money supply _ is provided with the 喑屮 constituting ' because the inner circumferential surface is constituted by the rim of the wheel D / the specific angle with respect to the cylindrical portion, so that the cleaning fluid can be adjusted # $ (4) of the discharge port is formed in the gap between the inner circumferential surface of the nozzle and the outer circumferential surface of the outer surface of the nozzle or the outer surface of the branch Clear the flow resistance of the fluid in the field, so that the flow can be adjusted. The k for the membrane cleaning fluid according to the present invention is provided in the fifth embodiment of the sneezing and sneezing, and the membrane cleaning fluid is ejected through the eye outlet, and the piping is outside the circumference and the tenth is easy. ° Or the wall surface of the outer surface of the branch, and the cleaning fluid is wound around the garment so that the body can be supplied from the end or the branch of the lower jaw to the lower jaw and the shape of the garment. Heart = again, the size of the groove or the flow path resistance of the film cleaning fluid in the D-circle groove can be appropriately set. One knife is adjusted to supply the membrane cleaning fluid according to the present invention to at least the joint member of the ... Amber's sixth configuration, due to the cow's jing. p is transparent, so it can be visually observed: the film cleaning fluid sprayed from the 134488.doc 200922702 spout in the tube is hooked and the flow rate is checked. In the seventh configuration of the joint member, the inner peripheral surface of the joint member is provided with a specific inner circumferential surface and a lower inner tube. The portion having the above-mentioned gap, the ', / the discharge port is provided in the cylindrical portion, and the outer surface of the lower portion of the pipe is formed by the user, and the inner peripheral surface of the tubular portion and the lower root are formed in a gap to surround the cylinder. The inner peripheral surface of the outer peripheral surface of the shaft is formed as a flow regulating area: if air is ejected from the wall surface of the outer peripheral surface of the cylinder, the air temporarily stays; ::?: :in the area Then, it is wound from the end of the lower pipe to the inside of the lower pipe. 1Study ί, :According to this: Ming's filter device 'If it is installed in the joint outlet, the lower part is equipped with nil. The cleaning is used. B 3 The outer surface of the above-mentioned branch is sprayed out of the outer surface of the membrane or the outer surface of the branch. The product of the second test nucleus s is surrounded by the θ surface and can be used to clean the membrane = the end of the e or the end of the branch f is supplied to the lower pipe. [Embodiment] The embodiment of the membrane cleaning fluid supply connector of the present invention is described with reference to the drawings. FIG. 2 is a cross-sectional view showing the configuration of a reduction device equipped with a (four) 臈 module. The filter membrane module is the heart of the present invention. The flow regulating joint of the first embodiment of the clean fluid supply joint is subjected to:: connection. Further, a cross-sectional explanatory view and an exploded perspective view showing the configuration of the first embodiment of the first embodiment of the flow 134488.doc 200922702, and FIG. 3 show the discharge port of the film cleaning fluid provided in the tubular portion and the end portion of the lower piping. A cross-sectional explanatory view of the case where the distance between the lower pipes is in the axial direction.

As shown in Fig. 1, the filter device 2 includes a hollow fiber filter cartridge module 3, a flow rate adjusting joint 1, and a supply pipe 丨5. The hollow fiber filter membrane module 3 is a module with a hollow fiber filter membrane. The flow rate adjusting joint 1 is for supplying a film cleaning fluid to the lower pipe 6 of the hollow fiber filter cartridge module 3 when the hollow fiber membrane of the hollow fiber filtration membrane module 3 is cleaned. The flow rate adjustment joint 本 of the present embodiment is an example of a membrane cleaning fluid supply joint, and is constituted by the discharge port U, the orifice 19, and the joint member 4, and when the membrane cleaning fluid is supplied into the lower piping 6, 'may be The flow rate of the film cleaning fluid is adjusted. In the present embodiment, the air for washing and cleaning will be described as an example of a fluid for film cleaning. The raw material is supplied to the branch pipe 5a of the header 5, and the raw material supply flow path lower pipe 6 to be the hollow fiber filter medium module 3 is watertightly connected by the joint member 4. Further, the joint member 4 is freely movable in the axial direction of the lower pipe 6 and the branch pipe 5a (in the upper and lower directions in the drawing) with respect to the lower pipe 6 and the branch pipe & the lower pipe 6 and the branch pipe 5a are connected by the joint member 4 On the other hand, the lower pipe 6 and the branch pipe are relatively freely moved in the W-axis direction (the upper and lower directions in FIG. 1), and are connected in this manner. As shown in Fig. 2, the joint member 4 is provided with a transparent cylindrical portion 9, and a lower pipe 6 is inserted from the end of the one of the cymbals, and a branch g5a is inserted from the other end. a pair of cap-shaped nuts 25, the inner peripheral portion of the basin is provided with a female screw portion 25a screwed to the ribs 9a, 9b of the 134488.doc 200922702, and the male screw portion is externally attached to the lower pipe 6 and the branch pipe 5a. And a pair of annular rubber linings (sealing members) 27 provided in the outer peripheral portion of the tubular portion 9 and housed in the above-described pen-shaped nut 25 and externally attached to the lower pipe 6 or the branch pipe &阴 The female screw portion of the inner peripheral portion of the cap nut 25 is screwed and fastened to the male screw portion % provided at both outer peripheral portions of the cylindrical portion 9, thereby being crimped to the end face 9 of the tubular portion 9 . Sealing is performed between the outer peripheral surface of the lower piping 6 or the outer peripheral surface of the 5a branch pipe; and the sliding ring 26 is housed in the cap nut training and is externally attached to the lower pipe 6 or the branch pipe 5a, respectively, from the cap nut 25 The rubber pad 27 is slidably protected on the side. The rubber gasket 27 has a triangular cross section. Further, the 'sealing member is not limited to the annular rubber lining 27 having a triangular cross section, and various types of sealing members can be applied, and the ring-shaped ring can also be used. The joint member 4 of the flow regulating member W is watertightly connected to the branch pipe h by a watertight structure composed of a pair of cap nuts 橡胶 a pair of rubber pads 27 (sealing members). Further, the joint member of the flow regulating joint 1 is made of a resin, and thus has a strong anti-corrosion property. In Fig. 1, the component indicated by the symbol 7 is a filtrate discharge header, and the branch: 7a of the discharge header 7 and the upper portion of the discharge channel of the fiber filter module 3 are formed. The pipe 8 is connected by the joint member 4, and the joint member 4 is the same as the joint member that is freely movable in the axial direction (upward and downward directions) of the lower pipe 6 and the branch pipe 53. Furthermore, the connection between the branch pipe 7a of the sputum discharge header 7 and the joint member 4 of the upper pipe 8 is WD11°, which is shown by 8V Ί2, and the hollow fiber filter membrane is attached to the lower end of the body 13 Support member of Fig. #134488.doc 13 200922702 When the filtration operation is performed in the filtration device 2 shown in Fig. 1, the raw liquid is supplied from the raw liquid supply header 5 through the raw liquid supply pump from the raw material storage tank (not shown). The raw material supply flow path lower pipe 6 is supplied to the hollow fiber filtration membrane module 3, and the raw liquid is filtered from the inside of the hollow fiber membrane of the hollow fiber filtration membrane module 3 to the outside (inward filtration), or from the outside. The inner side (external pressure type over-permeation) is subjected to squeezing, and the filtrate is stored in a filter sump (not shown) via the filtrate discharge header 7 through the filtrate discharge passage upper pipe 8'. The element indicated by the symbol 1G is a reflux liquid flow path, and a part of the raw liquid which has not passed through the hollow fiber membrane is returned from the reflux liquid flow path 1 to a raw liquid storage tank (not shown). On the other hand, the cylindrical portion 9 of the joint member 4 Inner week_, and lower part A special gap § is provided between the outer circumferences of the pipe 6 (Fig. 2, Fig. 3), and a portion where the gap 5 is provided in the tubular portion 9 is provided to eject air to the lower portion of the lower fitting 6 The discharge port of the wall surface of the outer surface of the surface "or the branch pipe" = the pipe head portion 12 is connected to the discharge port 1 through the branch pipe ... and the supply pipe 15 to be in the inner periphery of the cylindrical portion 9 of the joint member 4 _, and the portion of the outer peripheral surface 6a of the 卩6 is provided with a specific portion 9 provided with the gap 5, and is provided with a wall surface for "the outer peripheral surface of the tubular portion 6 of the tubular portion 6" The discharge port u,:: is discharged to the supply pipe 15 to which the air is connected to the lower portion. If the air is discharged from the outlet port U to the outer peripheral surface of the lower pipe 6, the wall is discharged from the discharge port 11 The air to be withdrawn is 134488.doc 200922702, and the outer peripheral surface of the lower pipe 6 or the wall surface of the outer peripheral surface 5al of the branch pipe 53 is %, -尧, and flows back to the back side of the lower pipe 6, and then the pipe is branched from the lower portion. The end portion 6 is uniformly supplied to the lower pipe 6 in the circumferential direction. In particular, in the present embodiment, When the air is used as the film cleaning fluid, if the air is ejected to the wall surface of the outer peripheral surface 6a of the lower pipe 6, the discharged gas temporarily stays in the gap δ of the bag shape, that is, temporarily stays in the flow rate adjusting region 16, which The bag-like gap 5 is formed by the outer peripheral surface of the lower pipe 6, the inner surface 9 of the tubular portion 9 of the joint member 4, and a rubber gasket which is crimped to the tubular portion. The end surface of the lower end pipe 6 and the outer peripheral surface 63 of the lower pipe 6 are sealed. Thereafter, the air remaining in the flow rate adjusting portion is uniformly supplied into the lower pipe 6 from the end portion 6b of the lower pipe 6 in the circumferential direction. Furthermore, the elements indicated by the reference numeral 19 in the figure are used to uniformly supply the hollow fiber filter membrane modules connected in parallel to each other, and the orifices of the '° 1 rolling are appropriately adjusted to be formed in the joint member. The inner circumferential surface of the tubular portion 9 of the fourth portion, such as the gap δ' between the outer circumferential surface of the lower piping 6 or the outer circumferential surface 5 of the branch pipe, adjusts the volume of the flow regulating region 16 to thereby function with the orifice 19 The same degree of flow path resistance knife can be used, or the hole can be omitted In the second, since the tubular portion 9 of the joint member 4 is composed of a transparent resin (transparent member), it can be visually observed that the hollow milk discharged from the discharge port is uniformly dispersed in the tubular portion 9 The entire circumference of the tubular portion 9 has a uniform flow of air. In addition, the postal 〇 喷 喷 冉 冉 冉 冉 冉 冉 冉 冉 亦可 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 Next, the action of moving the flow regulating joint 丨 in the axial direction of the lower pipe 6 and the lower pipe 6 and 134488.doc 200922702 will be described. As shown in Fig. 2 (4), the lower pipe 6 is opposite to the branch pipe 5a, and the solid line is used.

When the portion pipe 6 and the branch pipe are moved downward in the axial direction, the distance d between the end portions 5a2 of the tf5a of the lower pipe 6 is shortened (refer to one of the lock lines in FIG. 2 (4)), and the lower pipe 6 is turned upward. When moving, the distance D between the end portion 6b of the lower pipe 6 and the end portion W of the branch pipe 5a becomes long. Thus, the lower pipe 6 is relatively moved in the axial direction with respect to the branch pipe 5&, whereby the distance D between the end portion 讣 of the pipe portion 6 and the branch portion 2 can be adjusted. Further, similarly, the branch pipe (four) is relatively moved in the axial direction with respect to the lower accommodating portion 6, whereby the distance 〇 between the lower pipe 6, the end portion 6b, and the end portion 5a2 of the branch pipe 5a can be adjusted. Further, Fig. 3 (a) and (8) show a case where the lower pipe 6 and the branch pipe 5a are provided at a specific position, and the distance 〇 between the lower pipe 6 and the Sf 5a is fixed. Here, the cap nut 25' of both ends of the joint member 4 is loosened by the state shown in Fig. 3 (4), and the joint member 4 is moved in the axial direction (e.g., upward) of the lower pipe 6 and the branch pipe 5a. 'Therefore the state shown in Fig. 3 (8) is formed. Thereby, the distance L in the axial direction between the discharge port Π and the end portion 下部 of the lower pipe 6 is enlarged, and the flow resistance of the air flowing in the gap δ (flow rate adjustment region 16) and supplied to the lower pipe 6 is increased. Big. As a result, the supply amount of the air supplied to the lower pipe 6 is reduced. On the contrary, when the joint member * is moved downward from the state shown in Fig. 3 (b) to the state shown in Fig. 3 (a), the axis between the discharge port U and the end portion of the lower pipe 6 is located at the axis. The distance L in the direction is shortened, the air flow path resistance is reduced, and the supply amount of the air supplied to the lower pipe 6 is increased. I34488.doc 200922702=According to such a configuration, the insertion pipe 6 is moved to the lower pipe 6 of the joint member 4 or relatively moved in the axial direction of the lower pipe 6 and the branch pipe 5a, whereby the end portion 6b and the branch pipe of the lower pipe 6 can be branched. W end:; the distance D between the circumferential piping 6 and the branching axis direction. ...the next f

Further, according to the above configuration, the joint pipe 6 and the branch pipe 5K are disposed in the axial direction of the lower pipe 6 and the branch pipe 4, and the air discharge port u and the lower pipe can be adjusted. (4) The distance L in the axial direction (the axial direction of the lower pipe 6 and the branch pipe 5 & 5). Thereby, the volume of the flow regulating area 16 is changed to adjust the flow path resistance of the air, so that the flow rate can be adjusted. As described above, according to the present embodiment, when air is ejected from the discharge port 11 provided in the tubular portion 9 of the joint member 4 to the outer circumference® 6a of the lower pipe 6, the air is discharged along the outer peripheral surface of the lower pipe 6. The wall surface of 6a is surrounded and flows back to the back side of the lower pipe 6, so that the end material from the lower pipe 6 is uniformly supplied into the lower pipe 6 in the circumferential direction. As a result, air can be uniformly supplied to the lower pipe 6. Further, 'the air ejection port η may be disposed at a position facing the outer peripheral surface of the branch pipe. In this case, if air is ejected from the discharge port 11 provided in the cartridge 9 of the joint member 4 to the branch pipe 5 & The outer peripheral surface 5 is sprayed: the rolling is surrounded by the wall surface of the outer peripheral surface 5al of the branch pipe 5a, and flows back to the back side of the branch pipe 5a so that the air is self-braking the end portion w, uniformly in the circumferential direction It is raised and supplied to the lower piping 6. As a result, air can be uniformly supplied to the lower piping 6. Next, referring to Figs. 4(4) and 5(a), the membrane 134488.doc 200922702 of the second embodiment of the present invention is cleaned. The fluid supply joint is described as a solid state. The flow regulating joint 1B is not the membrane clearing of the second embodiment. The full moon is a k-body supply joint, and FIG. 5(a) is an enlarged view of the lower joint. The picture of the end 6b of the surface sb. As shown in Fig. 4 (a) and Fig. 5 (a), the flow rate adjustment negative 1 B is provided with a joint member 4B. In the tubular portion 9 of the joint member 4B, as the membrane clearing and opening m film "the air outlet 1 1 s of the fluid is placed in the position facing the lower piping 6 and the outer peripheral surface 6a, the inside of the cylindrical portion 9 is provided. The circumferential surface 9d is constituted by the inclined surface 17A, and the inch 2, the bait and the 5th inclined surface 17A are inclined by a certain angle 相对 with respect to the axial direction of the tubular portion 9 (the upper and lower directions in Fig. 4). If it is explained in more detail ' Then, the inner diameter of the upper side of the inclined surface 17A is larger than the inner diameter of the lower side. According to this configuration, that is, by slanting the inclined surface 17Α with respect to the axial direction of the same portion 9 to form a 兮g· strike The inner peripheral surface Μ ' of the cylindrical portion 9 in which the air ejection port 11 is disposed is further disposed so that the flow regulating region 16 can be made by the inclined surface / 7 /A

The volume changes in the radial direction with respect to the axial direction of the lower pipe 6 and the branch f5a. The flow rate adjusting region 16 is formed on the inner peripheral surface 9d of the tubular portion 9 where the discharge port W is provided, and faces the outlet. 11 is the lower portion of the pipe 6 between the outer peripheral faces 6a. Further, as shown in Fig. 5 (4), the width Sa (see the solid line of 5 (a)) is larger than the width δ Μ with reference to the two-point lock line of 5 (4), and the width (four), when the end portion 6b of the lower pipe 6 is disposed on the upper side, the lower pipe The width δ of the gap between the end portion 6 of the 6 and the tubular portion (4) is the width of the end portion 6a and the inside of the tubular portion 9 when the end portion of the lower pipe 6 is placed on the lower side. The width of the gap δ between the circumferences. Therefore, the flow path resistance of the air supplied to the air in the lower pipe 6 from the flow rate adjustment region is smaller than the lower portion f6 when disposed on the lower side when the lower pipe 6 is disposed on the upper side, 134488.doc 18 200922702 : The resistance of the flow path of the two gas is described above. Therefore, the joint member is moved in the axial direction of the pipe force rl/ of the joint member, thereby adjusting the flow resistance of the air == efficiently performing the flow adjustment. The other configuration of the present embodiment is substantially the same as that of the first embodiment, and the flow regulating joint 1B' can be expected to have the same effect as the joint 1 of the first embodiment, that is, the joint 1 . 5(b) The fluid supply joint according to the third embodiment of the present invention will be described. The flow rate adjustment is shown as a cross section of the membrane cleaning fluid supply joint of the third embodiment == The lc is provided with a joint member. In the four parts of the joint: the air outlet of the film cleaning fluid, n

5 is placed at a position facing the outer peripheral surface 5al of the branch pipe 5& the n H is only 罝, and the inner circumferential surface 9d of the dam portion 9 is formed by the inclined surface 17B, and the inclined surface 倾斜 is inclined with respect to the sleeve direction of the tubular portion 9 If the specific angle is described in more detail, the slope is the inner diameter of the lower side of the 7B larger than the inner diameter of the upper side. 2H is formed by inclining the inclined surface 17B of the special angle 相对 with respect to the axial direction of the cylindrical portion 9, thereby constituting the inner peripheral surface 9d' of the (four) portion 9 in which the air ejection port u is provided, whereby the flow regulating region can be made by the inclined surface 17B. The volume of the crucible changes in the radial direction with respect to the axial direction of the lower pipe 6 and the branch pipe 5, and the flow rate adjustment region 16 is formed on the inner circumferential surface of the tubular portion 9 where the discharge port is provided, and faces The branch pipe 5 of the discharge port u is between the outer peripheral surface 5 a 1 . Further, as shown in Fig. 5 (8), the width Sc (refer to the solid line of Fig. 5 (4)) is larger than the width 134488.doc 19- 200922702

Sd (refer to the two-point lock line of Fig. 5 (4)), the width is the gap δ between the end portion 5a2 of the branch pipe 5a and the inner peripheral surface 9d of the tubular portion 9 when the end portion 5& 2 of the branch pipe is disposed on the lower side The width is the width between the end portion 5a2 of the branch pipe 53 and the inner peripheral surface 9d of the tubular portion 9 when the end portion 5a2 of the branch pipe 5a is disposed on the upper side. Therefore, the flow path resistance of the air supplied from the flow rate adjustment region 16 to the air in the lower accommodating portion 6 is smaller than the air flow resistance when the branch pipe 5a is disposed on the lower side, and is smaller than the air when the branch pipe 5a is disposed on the upper side.

Machine resistance. Therefore, the joint member 4C is moved in the axial direction of the lower pipe 6 and the branch pipe 5a, whereby the flow path resistance of the air can be adjusted, and the flow rate adjustment can be performed efficiently. Further, in the present embodiment, the description is omitted, and the flow regulating joint lc of the present embodiment is the same as the flow regulating joint 1 of the first embodiment. The effect. A film cleaning fluid supply joint according to a fourth embodiment of the present invention will be described with reference to Fig. 6 . Fig. 6 is a cross-sectional view showing the flow rate adjusting joint (1) as a film cleaning fluid supply joint of the fourth embodiment. As shown in Fig. 6, the flow rate adjusting joint (1) is provided with a joint member 4D. In the tubular portion 9 of the joint member 41), the air which is the film cleaning fluid is disposed at a position facing the outer peripheral surface 6a of the lower portion. Further, a groove 18 having a square cross section is formed on the inner peripheral surface 9 (1 of the inner peripheral surface 9 of the tubular portion 9). The groove 18 is formed over the entire inner peripheral surface 9d of the cylindrical portion 9 around the shaft. Further, although not shown, the discharge port 11 may be provided at a position facing the outer peripheral surface 5al of the branch pipe 5&, so as to be provided in communication with the discharge port 11, and distributed around the shaft formed in the cylindrical portion 9. The groove on the entire circumference of the inner peripheral surface 9d 134488.doc •20- 200922702. According to this configuration, that is, the inner circumference of the n ARn where the air ejector 11 is placed at the air outlet 11 On the surface 9d, the same portion 9 of η is connected, and the groove 18 of the Πn 喷 喷 Π 18 疴 疴 疴 疴 疴 疴 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个 整个The ejected process gas can be easily surrounded by the surface 6a of the lower pipe 6 or the outer peripheral surface 5al of the branch pipe 5a via the groove®, so that the air can be evacuated from the end of the lower pipe 6 - V, Shi eats the milk noodles. Mb or the end of the branch 5a 5

It is supplied to the lower piping 6 in a uniform manner. In addition to the square π々 heart shape, the cross section and the groove 18 can also be applied to various shapes such as a semicircular shape, a semi-elliptical shape, a semi-prefective round, a " a thousand-long shape, and a triangular shape. The field also adjusts the flow resistance of the air in the groove 18 by the size or shape of the groove 18, thereby adjusting the flow rate of the air. Further, in the present embodiment, the other configurations omitted from the configuration are substantially First Embodiment: The same effect as the flow rate adjustment joint 约 of the embodiment can be expected by the flow rate adjusting joint 1D of the present embodiment. Next, the film cleaning method according to the fifth embodiment of the present invention will be described with reference to Fig. 7 . The fluid supply connection joint will be described. In Fig. 7, the flow rate adjustment joint IE is shown as the membrane cleaning fluid supply joint of the fifth embodiment, and Fig. 7 (4) is a perspective view of the flow rate adjustment joint 1E, and Fig. 7 (b) is a flow rate adjustment joint. In the cross-sectional view, as shown in Fig. 7, the flow regulating joint 1E is provided with a joint member 4E which is connected to the lower pipe 6 and the branch 5a of the header by a Ο ring (watertight structure) 35. 4E has a lower pipe 6 inserted from the end of one side, and a cylindrical portion 3 of the branch pipe 5 & is inserted from the other end. The cylindrical portion has a cross section in which the cylindrical shape is divided into half. The two semi-cuts of the arc shape 134488.doc -21 - 200922702 pieces 31, 32. On the half-cut members 31, 32, the clips and the sides extend along the overlapping edge portions. The half-cut members 31, 32 The clips 31a and 仏 are overlapped with each other and are fastened by the bolts 33. The knuckles 35 are attached to the ends of the tubular portion 30 by using the bolts 33. In this way, the built-in O-ring 35 is pressed into contact with the outer peripheral surface 6a of the lower pipe 6 and the outer peripheral surface 5ai of the branch f 5a to form a watertight structure. The inner peripheral surface and the lower pipe of the tubular portion 3〇 are formed. Between the outer peripheral surface 6a, a specific gap δ is set as the flow rate adjusting region 16, and a portion for providing the air for the film cleaning fluid to the outer peripheral surface of the lower pipe 6 is provided at a portion where the gap § is provided. When nU is taken out, a supply pipe 15 for supplying air is connected to the discharge σ11. According to the flow rate adjusting joint 1 of the present embodiment, when the air is ejected from the discharge port u of the tubular member 3G which is attached to the joint member, and is discharged to the outer peripheral surface 6a of the lower pipe 6, the air which is discharged from the mouth is along the lower pipe 6 The wall surface of the outer peripheral surface 6a is rounded and flows back to the side of the lower pipe ώ s 6 so that the end portion 6a of the air pipe 2 is uniformly supplied to the lower portion in the circumferential direction. As a result, the present invention has been described in the above description of the present invention. However, the present invention is not limited to the above embodiment. ^ ^ ^ In the embodiment, as the membrane, the fluid for the sputum is exemplified by the use of the f-film to clean and clean the air, or the nitrogen to be cleaned and cleaned and contact with the hollow fiber membrane to decompose the cleaning dirt or The emulsion of ozone or hydrogen peroxide is used as a ^^^. Further, the fluid for membrane cleaning is also "the chemical liquid for chemical cleaning with U, and the proportion of chemical liquid at this time" Lighter than for 134488.doc -22- 200922702 The specific gravity of the raw liquid in the filter membrane module. [Simplified illustration of the drawing] Fig. 1 is a cross-sectional explanatory view showing the constitution of a filtering device equipped with a filter membrane module. The membrane module is cleaned by the membrane of the present invention. Fig. 2(a) is a cross-sectional explanatory view showing a configuration of a flow rate adjusting joint according to a third embodiment of the membrane cleaning fluid supply joint of the present invention. , system

An exploded perspective view showing the configuration of the flow rate adjusting joint according to the first embodiment of the membrane cleaning fluid supply fitting of the present invention. Fig. 3 is a cross-sectional view showing a state in which the distance in the axial direction of the lower pipe between the discharge port of the film cleaning fluid provided in the tubular portion and the end portion of the lower portion is adjusted, and Fig. 3 (4) shows the discharge port. In the case where the distance from the end portion of the lower pipe is short, FIG. 3(b) shows a case where the above distance is longer than the distance in FIG. 3(4). Fig. 4 (a) is a cross-sectional view showing a flow regulating joint according to a fourth embodiment of the membrane cleaning fluid supply joint of the present invention, and shows an inner circumference of a tubular portion facing the outer peripheral surface of the lower pipe by a slope. A photograph of the publication of an example of a surface. X, Fig. 4(b) is a cross-sectional view showing the flow regulating joint of the third embodiment of the membrane cleaning fluid supply joint of the present invention, and is not formed by the inclined surface to the cylindrical portion facing the outer peripheral surface of the branch pipe. An illustration of a section of the week. Fig. 5 (a) is a cross-sectional view showing a flow rate adjusting joint of a first aspect of the membrane cleaning fluid supply joint of the present invention, and is an enlarged view showing an inner peripheral surface of a tubular portion that faces the outer peripheral surface of the lower piping by borrowing. 134488.doc 23· 200922702 ′′′′′′′′′′′′′′′′′′′′′′′′′′′’’’’’’’’’ The cross section of the tubular portion of the tubular portion facing the peripheral surface by the inclined surface is enlarged, and the cross-sectional view of the end portion of the branch pipe is enlarged. Fig. 6 is a view showing the first embodiment of the fluid supply connector for membrane cleaning of the present invention. 4 is a cross-sectional explanatory view of a flow rate adjusting joint of the embodiment, and the phantom system shows a cross-sectional explanatory view of an example of the case where the inner peripheral surface of the cylindrical portion of the discharge port where the film cleaning fluid is provided is connected. The groove of the discharge port is formed over the entire inner peripheral surface of the tubular portion. Fig. 7 (4) is a perspective view showing the flow regulating joint of the first embodiment of the film cleaning & body supply joint of the present invention. ) is an enlarged representation of the hair A cross-sectional view of a part of the flow regulating joint of the fifth embodiment of the membrane cleaning fluid supply joint. [Description of main components] 1. 1B flow regulating joint (fluid cleaning fluid supply joint) 2 Filtering device 3 hollow fiber Filter membrane module (filtration membrane module) 4, 4B, 4C, 4D, 4E joint member 5 stock solution supply header (collector) 5a branch pipe 6 lower pipe 9, 30 cylinder 134488.doc 200922702 9a, 9b male thread 9d inner peripheral surface of the cylinder portion 11 discharge port 15 supply pipe 17A, 17B bevel 18 groove 25 cap nut 25a female thread portion (27 rubber gasket (sealing member) 134488.doc -25-

Claims (1)

200922702 X1. Patent application scope·· _ film cleaning fluid supply connector' is characterized in that it is supplied under the clean filter membrane module, Qiufu ""Guiji Temple" is supplied to the filter membrane module g a membrane cleaning fluid, and a joint member that is connected to the branch pipe of the filter membrane module in a watertight manner, and the joint member has a tubular portion, the end portion is inserted, and the branch pipe is detached from the second The system is inserted from the end of the other side from the other side, and the inner peripheral surface of the branch: = the outer peripheral surface of the lower piping and the above-mentioned ten-junction plus the test is only provided with a specific gap In addition to the piping or the above-mentioned branch pipe, it is useful to connect the supply pipe for supply to the lower port at the discharge port of the above-mentioned discharge port. The cleaning fluid 2 is supplied to the membrane cleaning fluid supply connector, and the member is connected to the lower pipe and the pipe to the lower pipe and the pipe. The amount of the film cleaning fluid supplied to the pipe is adjusted by adjusting the flow path resistance of the body to be lifted by the upward movement of the joint member film, and the above-mentioned lower part 3.:: The membrane cleaning fluid supply member of the item 2 or 2 further includes: a pair of cap nuts, wherein the joint pipe and the dip* are externally mounted on the lower part (4), and the inner peripheral portion is provided with a screwable connection The snails at the ends of the outer circumference of the part are placed in the above-mentioned cap nut and are respectively circumscribed in the above-mentioned cap-shaped nut. The lower pipe or the branch pipe is crimped to the cylindrical portion by screwing the screw portion provided on the inner circumference of the cap nut to the screw portion ' provided at both outer peripheral portions of the cylindrical portion End face and the above lower piping Watertight and the upper member of the lower pipe is connected to the pivot tube; to seal between the peripheral surface or outside surface of said manifolds. 4. The membrane cleaning fluid supply fitting according to any one of the items (1), wherein the inner peripheral surface of the tubular portion of the discharge port includes a slope inclined at a specific angle with respect to an axial direction of the ridge. 5. The membrane cleaning fluid supply fitting according to any one of items 1 to 4, wherein the inner peripheral surface of the recessed portion has a groove communicating with the discharge port, and the second and fourth cloths are formed in the cylinder The entire inner facade of the section around the axis 曰 6. As requested! To the middle of the 5th. At least the upper U-cleaning fluid is supplied to the joint, wherein/the tubular portion of the upper joint member is made transparent, and the inside of the nozzle is sprayed/visually dispersed in the above-mentioned nozzle. The above-mentioned film 'clearing> is uniform in the flocculation flow system * in the lower piping: the outer peripheral surface of the mesh and the flow rate is uniformly supplied to the upper month of the first item 1. The cleaning fluid for the above-mentioned film is air: the joint 'in the above-mentioned tube portion A specific gap is formed in the inner circumferential surface of the inner circumference of the one-ton lower pipe, and the discharge port is provided between the outer peripheral surface of the lower pipe and the outer peripheral surface of the lower pipe: the portion having the gap, and the filtering device It is characterized by a wide ceremony. 134488.doc 200922702: equipped with: a diaphragm module with a ruthenium film; a cleaning fluid for: a connector' when it is used to clean the filter membrane of the filter membrane module, to the lower portion of the membrane module Supplying a film cleaning fluid; and supplying the upper (four) clear (four) (four) supply joint to the cleaning fluid, and the film cleaning material supply joint is provided with a joint member, which is connected to the over-film module by a water ceremony structure a lower pipe and a pipe branch pipe, the = joint member includes a tubular portion, the lower pipe is inserted from the side thereof, and the branch pipe is inserted from the other side of the branch pipe; the inner circumferential surface of the tubular portion is At least one of the outer peripheral surfaces of the lower piping is provided with a portion where the gap is provided in the tubular portion, and the film cleaning fluid is discharged from the outer surface of the upper pipe. The supply pipe is connected to the lower outlet. Take the exit 'in the mouth above 134488.doc