JP5606166B2 - Water treatment equipment and water treatment equipment lifting equipment - Google Patents

Description

  The present invention relates to a water treatment facility and a lifting device for water treatment equipment, and is a technology related to water treatment equipment for performing sewage treatment, factory wastewater treatment, water purification treatment, and other water treatment.

  Conventionally, this type of water treatment equipment has a membrane separation device, etc., which is installed in a water tank so that it is necessary to lift the water treatment equipment from the water tank for maintenance or replacement. . In such a case, after draining the liquid in the water tank and exposing the water treatment device on the liquid surface, the lifting device and the water treatment device are connected, and the lifting device and the water treatment device are integrated by a crane or the like. Has been raised.

  In addition, as shown in FIG. 20, one end of a traction tool 703 such as a chain is used as a configuration for taking out a water treatment device 702 that is submerged in the water tank 701 without discharging the liquid inside the water tank 701. Some are connected to a water treatment device 702 and the other end of the traction tool 703 is taken out and arranged at a position above the liquid level.

  There exists patent document 1 as a prior art document. In this patent document 1, the membrane unit installed in the aeration tank interposes an automatic detachable joint at the connection part of the filtrate water pipe and the suction pipe, and a rail is disposed in the upper part between the aeration tank and the cleaning tank. A hoist equipped with an automatic locking clamp device is provided so as to be movable on the rail. A suspension piece for clamping with a clamp device is attached to the membrane unit.

Japanese Patent Laid-Open No. 11-309350

  However, when the liquid in the water tank is discharged to expose the water treatment device on the liquid level, the liquid in the water tank cannot be discharged to the public sewer in that state, so the liquid to be discharged is temporarily stored. A water tank or wastewater treatment facility is required. Further, the connecting operation between the lifting device and the water treatment device cannot be performed from the outside of the water tank, and it is necessary for the operator to enter the water tank and perform the connecting operation.

  As shown in FIG. 20, when the traction tool 703 is connected to the water treatment device 701 in advance, the lifting allowance for carrying out the water treatment device 702 from the water tank 701 is the total height of the water treatment device 701 and the traction tool 703. It is necessary to secure this lifting allowance in the work space above the water tank 701.

  When a sufficient lifting allowance cannot be secured in the work space, the water treatment device 702 is positioned inside the water tank 701 as shown in FIG. 20B even when the lifting device is pulled up to the limit position by the crane 704 or the like. In order to completely carry out the water treatment device 702 out of the water tank 701, a suspension work for changing the connecting position of the traction tool 703 connected to the lifting device 700 is necessary.

  As in Patent Document 1, in the case of using a clamp device, when a water treatment device is installed at a deep water position or when the liquid is turbid, such as sludge, the water treatment submerged in the liquid Since the hanging piece of the equipment cannot be seen from above the liquid level, it is difficult to accurately lower the clamping device to the position corresponding to the hanging piece, and it is visually confirmed whether the clamping device has securely held the hanging piece. I can't.

  SUMMARY OF THE INVENTION The present invention solves the above-described problems, and is a water treatment facility and a water treatment device lifting apparatus capable of accurately operating a water treatment device that is immersed in a liquid and cannot be visually observed from outside the water tank. The purpose is to provide.

In order to solve the above problems, water treatment equipment of the present invention, a water treatment device, comprising: a tank body which is immersed the water treatment device, the lifting device for lifting over and out of the tank body, for positioning the lifting up device As a reference part to be used as a reference, a guide rail extending inside and outside the tank is provided, and the lifting device can be attached to and detached from the main body part that can be raised and lowered over the inside and outside of the tank body with the water treatment equipment and the suspension part of the water treatment equipment. And a positioning part that positions the main body part with respect to the guide rail of the reference part and makes the connection part correspond to the suspension part of the water treatment equipment , and the water treatment equipment slides along the guide rail of the reference part A positioning part is provided, and a reference part serving as a reference for positioning the lifting device also serves as a reference part for positioning the water treatment device .

The water treatment equipment lifting device of the present invention is a main body that can be moved up and down along the inside and outside of the tank body with the water treatment equipment, a connection part that can be attached to and detached from the suspension part of the water treatment equipment, and a reference part in the tank. Positioning part for positioning the main body part to correspond the connecting part to the suspension part of the water treatment device, the lock part is provided with a lifting bar having a lock claw that can be engaged with the stopper part of the engaging part, and the reference part The guide rail has a lock release bar that receives the lift bar of the lock part when the main body part is lowered and lifts the lift bar to a lock release position where the lock claw does not engage the stopper part of the engagement part. .

  Moreover, in the lifting device for water treatment equipment according to the present invention, the connection portion is an engagement portion that is displaceable over an engagement position that engages with the suspension portion of the water treatment equipment and a non-engagement position that does not engage with the suspension portion. Further, the present invention is characterized in that it has an engaging operation part for operating the engaging part to be displaced from the outside of the tank.

The water treatment device lifting method of the present invention includes a water treatment device, a tank body in which the water treatment device is immersed, and a lifting device that moves up and down across the inside and outside of the tank body, and a reference portion that serves as a reference for positioning the lifting device The lifting device has a main body part that can be moved up and down along the inside and outside of the tank body with water treatment equipment, a connection part that can be attached to and detached from the suspension part of the water treatment equipment, and a reference part. Positioning the main body with respect to the guide rail and providing a positioning part that corresponds to the suspension part of the water treatment equipment, the water treatment equipment is equipped with an equipment positioning part that slides along the guide rail of the reference part In the water treatment facility where the reference part for positioning the device also serves as the reference part for positioning the water treatment device,
By positioning the main body of the lifting device that can be moved up and down along with the water treatment equipment with respect to the reference portion in the tank with the positioning device of the lifting equipment, the connection portion of the lifting equipment is connected to the water treatment equipment. It corresponds to a hanging part.

  As described above, according to the present invention, it is possible to reliably correspond the connection portion of the lifting device to the hanging portion of the water treatment device even in the submerged portion where the detachment between the lifting device and the water treatment device cannot be visually confirmed. This eliminates the need to discharge the liquid in the tank out of the tank.

  Since the lifting device is fixed directly to the water treatment equipment, the lifting allowance for carrying out the water treatment equipment from the water tank is almost the total height of the water treatment equipment, and it is easy to secure the lifting allowance in the work space above the water tank. Thus, there is no need to change the connecting position of the traction tool as in the prior art.

The schematic diagram which shows the lifting apparatus of the water treatment equipment in embodiment of this invention Perspective view showing the lifting device Perspective view showing the main part of the lifting device A perspective view showing a locked state of the lifting device A perspective view showing the unlocking state of the lifting device The top view which shows the lifting apparatus of the water treatment apparatus in other embodiment of this invention Side view showing the lifting device Side view showing the operation of the connection part of the lifting device The perspective view which shows the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. Perspective view showing the main part of the lifting device The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The perspective view which shows the principal part of the lifting apparatus of the water treatment apparatus in other embodiment of this invention. The top view which shows the effect | action of the lifting apparatus of the water treatment apparatus in the embodiment The principal part of the lifting apparatus of the conventional water treatment equipment is shown, (a) is a front view before lifting, and (b) is a front view showing completion of lifting.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 5, a water treatment facility includes a water treatment device 1 such as a submerged membrane separator, a treatment tank 2 for storing a liquid to be treated and immersing the water treatment device 1, and a water treatment device. 1 includes a lifting device 3 that lifts and lowers 1 over the inside and outside of the treatment tank 2, and a lifting machine 4 such as a hoist crane that drives the lifting device 3 to lift and lower. The suspension is supported. The lifting machine 4 is movable in the horizontal direction along a rail or the like.

  The lifting device 3 has a main body 31 having a rectangular frame shape that can be moved up and down with the water treatment device 1 inside and outside of the treatment tank 2. The main body 31 includes a rope 311 such as a wire and a chain, and a suspension. The hook 42 attached to the tip of the rope body 41 of the lifting machine 4 is hung on the suspension ring 312. The main body 31 has a shape that is substantially the same as the square of the planar shape of the water treatment device 1 and includes a connection portion 32 that can be attached to and detached from the suspension portion 11 of the water treatment device 1. Is a cross-sectional square member 111 provided with a locking hole 112.

  The connection portion 32 includes engagement portions 33 arranged at the four corners of the main body portion 31. The engaging portion 33 is configured such that the shaft portion 331 is rotatable about the shaft center with respect to the main body portion 31, and an engaging claw 332 that can be inserted into the locking hole 112 of the hanging portion 11 at the lower end of the shaft portion 331. The upper end of the shaft portion 331 has a plurality of stopper portions 333 that abut against the main body portion 31, and the stopper portions 333 are provided radially around the shaft portion 331. The engaging portion 33 rotates about the shaft center of the shaft portion 331 so that the engaging claw 332 rotates between an engaging position where the engaging claw 332 engages with the suspending portion 11 and a non-engaging position where the engaging portion 11 does not engage. To displace.

  The connection part 32 has an engagement operation part 34 for displacing the engagement part 33 from the outside of the tank. The engagement operation part 34 is a drive shaft 341 disposed on the main body part 31 and a belt for rotationally driving the drive shaft 341. 342, and the drive shaft 341 and the engaging portion 33 are coupled to each other by a link, a cam, a gear, or the like.

  The connection portion 32 has a lock portion 35 that holds the engagement portion 33 in the engagement position or the non-engagement position. The lock portion 35 is disposed on the main body portion 31 so as to freely move up and down, and the rod 351 It has a fixed elevating bar 352 and a lock claw 353 provided on the elevating bar 352, and the lock claw 353 is displaced by moving up and down between the lock position where the stopper part 333 of the engaging part 33 engages and the unlocking position. .

  The processing tank 2 is provided with a reference portion 21 composed of a pair of guide rails having a quadrangular cross section extending in the vertical direction, and a positioning portion 36 having a U-shaped cross section is provided on the main body 31, and the positioning portion 36 is a reference portion. 21, the main body 31 is positioned with respect to the reference portion 21, and the engaging portion 33 of the connecting portion 32 corresponds to the hanging portion 11 of the water treatment device 1.

  In the present embodiment, the positioning portion 36 slides along the guide rail of the reference portion 21, so that the main body portion 31 moves linearly over the inside and outside of the tank and reliably reaches a fixed position within the tank. However, the reference portion 21 may be a block disposed in the tank instead of the guide rail. In this case, after the main body 31 is submerged in the tank, the main body 31 is pulled by a rope or the like to be positioned. The part 36 is positioned in contact with the block of the reference part 21. The reference portion 21 may be a tank inner wall surface of the processing tank 2, and the main body portion 31 may be provided with a positioning portion 36 such as a roller that contacts the tank inner wall surface of the processing tank 2.

  An unlock bar 22 is fixed to the guide rail of the reference portion 21 at a position spaced apart from the water treatment device 1 by a predetermined distance. When the main body portion 31 is lowered, the lift bar 352 of the lock portion 35 is unlocked. As a result, the locking claw 353 is lifted to the unlocking position where the locking claw 353 is not engaged with the stopper portion 333 of the engaging portion 33, and the engaging claw 332 of the engaging portion 33 is locked in the locking hole 112 of the hanging portion 11 in the unlocked state. Inserted into. The water treatment device 1 is provided with a device positioning portion 12, and the device positioning portion 12 slides along the guide rail of the reference portion 21, whereby the water treatment device 1 moves linearly inside and outside the tank, Surely reach the fixed position inside.

  By the way, when the reference part corresponding to each of the lifting device 3 and the water treatment apparatus 1 is provided separately, the positioning part 36 and the reference part 21 of the lifting device 3 are considered in consideration of the installation error of each reference part. It is necessary to set a gap, and as a result, the gap between the positioning portion 36 and the reference portion 21 is increased.

  However, as in the present invention, the positioning unit 36 of the lifting device 3 and the device positioning unit 12 of the water treatment device 1 share the reference unit 21, that is, the reference unit serving as a reference for positioning the lifting device 3. Since the gap between the positioning portion 36 and the reference portion 21 can be reduced by the 21 serving as a reference portion for positioning the water treatment device 1, vibration generated when the water treatment device 1 is raised and lowered can be suppressed, and lifting caused by the vibration Generation of stress in the device 3 and the water treatment device 1 is suppressed.

  Moreover, the structure of an apparatus can be simplified because the positioning part 36 of the lifting device 3 and the equipment positioning part 12 of the water treatment apparatus 1 share the reference part 21. Furthermore, when the water treatment device 1 is positioned in the same reference portion 21 as the lifting device 3 inside the treatment tank 2, when only the lifting device 3 is lowered to the treatment tank 2 during the lifting operation, the water treatment device 1. The connecting portion 32 of the lifting device 3 can be made to correspond exactly to the hanging portion 11.

  Hereinafter, the operation of the above-described configuration will be described. As shown in FIG. 1, the water treatment device 1 installed inside the treatment tank 2 is disposed at a fixed position of the treatment tank 2 by using a lifting device 3 at the time of installation.

  When the water treatment device 1 is taken out, as shown in FIG. 2, the rope 41 is unwound from the lifting machine 4, and the lifting device 3 is placed in the treatment tank 2 while guiding the positioning portion 36 with the guide rail of the reference portion 21. Lower inside. The lifting device 3 moves linearly from the outside of the tank to the inside of the tank by the positioning part 36 sliding along the guide rail of the reference part 21, so that the lifting device 3 is surely placed at a fixed position on the upper end surface of the water treatment device 1 in the tank. To reach.

  For this reason, the connection part 32 of the lifting device 3 can be reliably made to correspond to the lifting part 11 of the water treatment device 1 even in the submerged portion where the detachment between the lifting device 3 and the water treatment device 1 cannot be visually confirmed. This eliminates the need to discharge the liquid in the tank out of the tank.

  When the lifting device 3 descends, the locking claw 353 maintains the posture of the engaging claw 332 in a locked state where the locking claw 353 is engaged with the stopper portion 333 of the engaging portion 33, and the engaging claw 332 is securely attached to the hanging portion 11. The locking hole 112 is inserted without human intervention. Thereafter, as shown in FIG. 5, when the lifting device 3 is further lowered, the lock bar 352 of the lock portion 35 provided on the main body 31 is received by the lock release bar 22 of the reference portion 21, so that the lock claw 353 is engaged. The part 33 is lifted to the unlocking position where it does not engage with the stopper part 333, and the unlocked state is obtained.

  Next, the drive shaft 341 is driven by operating the belt 342, the engaging portion 33 is rotated, and the engaging claw 332 is displaced from the non-engaging position to the engaging position, and in the axial direction of the shaft portion 331. The engaging claw 332 is locked by the crosspiece 111. In this state, the rope body 41 of the lifting machine 4 is wound up, and the lifting device 3 and the water treatment device 1 are pulled out of the tank.

  While the lifting device 3 is being lifted, the lifting bar 352 of the lock part 35 provided on the main body part 31 is separated from the lock release bar 22 of the reference part 21, so that the lock claw 353 is engaged with the stopper part 333 of the engagement part 33. The lock position is lowered to the locked position.

  In the above process, it is not possible to visually confirm whether or not the locking claw 332 has been inserted into the locking hole 112 from the liquid level. However, the lock unit 35 is not released unless the lifting device 3 is lowered to a predetermined position where the lifting / lowering rod 352 contacts the unlocking bar 22 of the reference unit 21, so that the lifting device 3 reaches the water treatment device 1 due to an error. Even if the engagement operation unit 34 is operated, the engagement unit 33 does not move, and it can be determined whether or not the engagement claw 332 has been inserted into the engagement hole 112 based on whether or not the engagement operation unit 34 can be operated.

  In the middle of ascending the lifting device 3, the elevating bar 352 of the lock part 35 is separated from the lock release bar 22 of the reference part 21, and the lock claw 353 is lowered to the lock position where it engages with the stopper part 333 of the engagement part 33. Will be locked.

  In this way, since the lifting device 3 is directly fixed to the water treatment device 1, the lifting allowance for carrying out the water treatment device 1 from the treatment tank 2 is approximately the total height of the water treatment device 1, and the lifting allowance is set to the treatment tank 2. It is easy to secure in the upper working space, and there is no need to change the connecting position of the traction tool as in the prior art.

  When this water treatment device 1 is installed, the rope 41 is unwound from the lifting machine 4 and the lifting device 3 with the water treatment device 1 is used as the treatment tank 2 while guiding the positioning unit 36 with the guide rail of the reference unit 21. The water treatment device 1 is disposed at a fixed position of the treatment tank 2.

  While the lifting device 3 is being lowered, the lock claw 353 is engaged with the stopper portion 333 of the engaging portion 33 by the lock release bar 22 of the reference portion 21 receiving the lifting bar 352 of the lock portion 35 provided on the main body portion 31. Can be lifted to the unlock position where it does not

  Next, the belt 342 is operated to drive the drive shaft 341, and the engagement portion 33 is rotated to displace the engagement claw 332 from the engagement position to the non-engagement position. The body 41 is rolled up and the lifting device 3 is pulled out of the tank.

  In the above process, it cannot be visually confirmed whether the water treatment device 1 has reached a predetermined position from above the liquid level. However, the lock portion 35 is not released unless the lifting device 3 is lowered to a predetermined position where the lifting / lowering rod 352 contacts the unlocking bar 22 of the reference portion 21. Therefore, it is considered that the water treatment device 1 has reached the predetermined position by mistake. Even if the engagement operation unit 34 is operated, the engagement unit 33 does not move, and it can be determined whether or not the water treatment device 1 has reached a predetermined position by whether or not the engagement operation unit 34 can be operated.

  The engagement operation portion 34 in the above-described embodiment can be a T-shaped operation handle 500 as shown in FIGS. In this case, a magnet 501 is installed in the engaging portion 33, and the lower end of the T-shaped operation handle 500 is connected to the engaging portion 33 by the magnet 501, but the magnetic force of the magnet 501 is used as a guide to make the T-shaped operation handle 500. Can guide you. When the magnet 501 is not used, a derivative such as a guide pipe is installed. Further, as shown in FIGS. 6 to 8, the engaging portion 33 and the hanging portion 11 can be formed on hooks 502 and 503.

  As shown in FIG. 9, the engaging portion 33 is formed as an L-shaped hook 504, and the hanging portion 11 can also have a shape (not shown) corresponding to an L-shaped fixed object. . In this configuration, the lifting device 3 is moved in the horizontal direction, and the L-shaped hook 504 of the engaging portion 33 is engaged with the hanging portion 11. For this reason, as shown in FIG. 15, the positioning unit 36 is a flat plate 505 that comes into contact with the reference unit 21 from one direction, and after the lifting device 3 is lowered to a predetermined position, the lifting device 3 is moved horizontally by a rope or the like. By pulling and pressing the flat plate 505 against the reference portion 21, positioning is performed, and the engaging portion 33 and the hanging portion 11 are engaged. As shown in FIG. 16, the positioning part 36 may be an L-shaped plate 506 that abuts the reference part 21 from one direction. As shown in FIG. 17, the reference part 21 is a pair of guide rods 507. It is also possible to guide the flat plate 508 of the positioning portion 36 between the guide rods 507.

  As shown in FIG. 10, the engaging portion 33 can be a hook 510 installed so as to be able to rotate around the axis of the rotation shaft 509, and the hook 511 is pushed and pulled by a rod 511 connected to one end of the hook 510. 510 is rotated and engaged with the ring portion 512 of the hanging portion 11.

  As shown in FIG. 11, the engaging portion 33 is a hook 513 installed so as to be able to rotate around the axis of the rotating shaft 509, and in a direction to engage the ring portion 515 of the hanging portion 11 by a biasing means such as a spring. It is also possible to engage and disengage from the ring portion 515 of the hanging portion 11 by urging and rotating the hook 513 by pulling the cord body 514 connected to one end of the hook 513.

  As shown in FIGS. 18 and 19, the engaging portion 33 is a block 702 that is rotatably installed around the axis of the rotation shaft 701, and an L-shaped suspension portion 703 is provided on the upper edge of the water treatment device 1. It is also possible to engage and disengage the suspension part 703 by rotating the block 702.

  As shown in FIG. 12, a lever 519 is provided in the engaging portion 33, an operating rod 520 is connected to the lever 519 as the engaging operating portion 34, and the locking rod 522 inserted into the hole 521 formed in the lever 519 is the main body portion. 31 can also be provided. In this case, the locking rod 522 is inserted into the hole 521 of the lever 519 to be in the locked state, and the operating rod 520 is pushed and pulled in the unlocked state in which the locking rod 522 is pulled out from the hole 521 of the lever 519, thereby engaging the engagement portion 33. To operate.

  In this configuration, when the lifting device 3 reaches the water treatment device 1, the tip of the lock rod 522 comes into contact with the water treatment device 1 and the lock rod 522 is lifted upward. That is, the lock is released only when the lifting device 3 is lowered to a predetermined position, and the lever 519 can rotate. Therefore, the lifting device 3 and the water treatment device 1 can be reliably associated with each other even in the liquid in which the attachment / detachment between the lifting device 3 and the water treatment device 1 cannot be visually confirmed.

  As shown in FIGS. 13 and 14, the lock portion 35 is provided with a block 523 on the drive shaft 341, a lock ring 524 that is loosely fitted to the block 523 is suspended by a cable body 525, and the block 523 is rotated on the lock ring 524. It is also possible to provide a lock area 526 to be blocked and a lock release area 527 to allow the block 523 to rotate.

  In this case, as shown in FIG. 13, the lock ring 524 is pulled up by the cable body 525 to lock the lock area 526 corresponding to the block 523, and the lock body 525 is loosened and the lock ring 524 is lowered to lock the lock ring 524. The release area 527 is made to correspond to the block 523 to be in the unlocked state.

  If the suspension ring 312 is coupled to the tip of the rope body 525, the tension is applied to the rope body 525 when the lifting device 3 is lowered, so that the lock body 525 is locked as shown in FIG. When the lifting device 3 is lowered to a predetermined position, the tension applied to the cable body 525 is lost, and the lock is released as shown in FIG.

  As described above, the lock is released only when the lifting device 3 is lowered to a predetermined position, so that the lifting device 3 can be removed even in the liquid portion where the attachment / detachment between the lifting device 3 and the water treatment device 1 cannot be visually confirmed. The water treatment device 1 can be reliably handled.

DESCRIPTION OF SYMBOLS 1 Water treatment equipment 2 Processing tank 3 Lifting device 4 Lifting machine 11 Lifting part 12 Equipment positioning part 21 Reference part 22 Lock release bar 31 Main body part 32 Connection part 33 Engagement part 34 Engagement operation part 35 Lock part 36 Positioning part 41 Cable Body 42 Hook 111 Crosspiece 112 Locking hole 311 Cable body 312 Suspension ring 331 Shaft portion 332 Engaging claw 333 Stopper portion 341 Drive shaft 342 Belt 351 Rod 352 Lifting rod 353 Locking claw 500 T-shaped operation handle 501 Magnet 502, 503, 504 Hook 505, 508 Flat plate 506 L-shaped plate 507 Guide rod 509 Rotating shaft 510, 513 Hook 511 Rod 512, 515 Ring portion 514, 525 Cord body 519 Lever 520 Operation rod 521 Hole 522 Lock rod 523 Block 524 Lock ring 526 Lock area 527 Unlocking area 701 Rotating shaft 702 Block 703 Hanging part

Claims (4)

A water treatment device, and the tank body immersing the water treatment device, comprising a lifting device for lifting over and out of the tank body, a guide rail extending across the vessel and out as a reference part serving as a reference for positioning the hanging up system The lifting device positions the main body part with respect to the guide rail of the reference part, a main part that can be moved up and down with the water treatment equipment over the inside and outside of the tank body, a connection part that can be attached to and detached from the suspension part of the water treatment equipment. The water treatment equipment includes a positioning portion that slides along the guide rail of the reference portion, and a reference that serves as a reference for positioning the lifting device. A water treatment facility characterized in that the portion also serves as a reference portion for positioning the water treatment device . A main body that can be moved up and down along the inside and outside of the tank body with a water treatment device, a connection portion that can be attached to and detached from a suspension portion of the water treatment device, and a main body portion that is positioned with respect to a reference portion in the tank, It has a positioning part that corresponds to the hanging part of the processing equipment,
The connecting portion has a lock portion that holds the engaging portion in the engaged position or the non-engaged position,
The lock portion includes a lifting bar having a lock claw that can be engaged with the stopper portion of the engagement portion,
The guide rail of the reference part has a lock release bar that receives the lift bar of the lock part when the main body part is lowered and lifts the lift bar to a lock release position where the lock claw does not engage the stopper part of the engagement part. A lifting device for water treatment equipment.   The connection portion includes an engagement portion that can be displaced over an engagement position that engages with a suspension portion of the water treatment device and a non-engagement position that does not engage the suspension portion, and an engagement that displaces the engagement portion from the outside of the tank. The apparatus for lifting water treatment equipment according to claim 2, further comprising an operation unit. A water treatment device, a tank body that immerses the water treatment device, a lifting device that moves up and down over the inside and outside of the tank body, and has a guide rail that extends over the inside and outside of the tank as a reference part for positioning the lifting device, The lifting device positions the main body part with respect to the guide rail of the reference part, a main part that can be moved up and down along the inside and outside of the tank body with water treatment equipment, a connection part that can be attached to and detached from the suspension part of the water treatment equipment, and A reference part for positioning the lifting device is provided with a positioning part that makes the connecting part correspond to the suspension part of the water treatment equipment, and the water treatment equipment has a device positioning part that slides along the guide rail of the reference part. In the water treatment facility that also serves as a reference part for positioning the water treatment equipment,
By positioning the main body of the lifting device that can be moved up and down along with the water treatment equipment with respect to the reference portion in the tank with the positioning device of the lifting equipment, the connection portion of the lifting equipment is connected to the water treatment equipment. A method for lifting water treatment equipment, characterized in that it corresponds to a hanging part.

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