CN210757490U

CN210757490U - Dismounting device of reverse osmosis membrane shell end cover

Info

Publication number: CN210757490U
Application number: CN201921292435.2U
Authority: CN
Inventors: 蒋建伟
Original assignee: NANJING AUTO PURIFYING ENGINEERING CO LTD
Current assignee: NANJING AUTO PURIFYING ENGINEERING CO LTD
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-16
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a dismouting device of reverse osmosis membrane shell end cover, including fixed connection's first support, second support and dismouting mechanism in proper order, two first support bodies on the membrane shell support are fixed in by the symmetry to first support constitutes, and each first support is internal all pegs graft mutually with the second support to adjustable interval, the one end vertical fixation that first support body was kept away from to the second support has dismouting mechanism mount pad, dismouting mechanism comprises support piece, runner handle and lead screw, the lead screw parallels with the second support after passing dismouting mechanism mount pad, and its one end installation support piece of nearly first support body, runner handle are fixed to the other end. The utility model discloses can realize that quick effectual dismouting work of membrane shell end cover more is fit for the dismouting that is used for large-scale reverse osmosis membrane shell end cover, simple, high efficiency, specialty.

Description

Dismounting device of reverse osmosis membrane shell end cover

Technical Field

The utility model relates to a dismouting device among the water treatment facilities, especially a dismouting device that is used for reverse osmosis membrane shell end cover belongs to the relevant mechanical maintenance equipment technical field of water treatment trade.

Background

Reverse osmosis equipment is increasingly used in water treatment equipment, and due to the characteristics of the reverse osmosis membranes, the operating pressure is higher, the operating pressure of general industrial equipment is about 10-15bar, the reverse osmosis pressure for seawater desalination is higher, and is about 40-60bar, so that the reverse osmosis membranes are required to be installed in special high-pressure-resistant membrane shells.

The membrane shells used conventionally are all installed from 1 to 7, the number of the membranes and the number of the membrane shells are designed according to the water yield of equipment, two end covers are respectively arranged at two ends of one membrane shell, so that the larger the water yield, the more the number of the membrane shells and the number of the membrane shell end covers are, even hundreds of thousands of membrane shells and end covers exist in a large-scale reverse osmosis system, the reverse osmosis membrane shells are usually installed on a carbon steel or stainless steel bracket, but the sizes of the bracket to the membrane shell end covers are different, and meanwhile, because the reverse osmosis membrane is installed after the whole set of equipment is installed, water inlet and outlet pipelines of the membrane shells are configured, so that the distances between the membrane shells and the bracket are relatively limited and uncertain. And because the operating pressure is higher, the sealing performance required between the membrane shell end cover and the membrane shell is higher, so that the membrane shell end cover is very hard to disassemble and assemble, and the end cover is difficult to be easily taken out of and assembled on the membrane shell.

The tool for detaching the membrane shell end cover is simple in structure and convenient to use, but the tool is single in function, can only be used for detaching the membrane shell end cover and cannot be used for installing the membrane shell end cover, and meanwhile, the stress point of the end cover is positioned at the central water outlet pipe orifice, so that the pipe orifice is easily damaged due to stress. The difficulty of installing the end cap is greater due to the higher sealing requirements between the end cap and the membrane shell. At present, a tool for installing the membrane shell end cover is not available, and all the membrane shell end covers can be installed only manually in a mode of knocking in by a hammer.

The mounting mode of knocking in by a hammer has many defects, firstly, the circular end cover is not uniformly stressed when being knocked, the end cover is difficult to be mounted in place at one time, and meanwhile, the sealing ring is easy to deform or damage to cause water leakage; secondly, no matter what tool is used for beating, the membrane shell and the membrane shell end cover can be damaged correspondingly; and thirdly, the installation efficiency is very low, and when the number of the membrane shell end covers of the large-scale equipment is large, the installation workload is very large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to the problems in the prior art, the dismounting device for the reverse osmosis membrane shell end cover is reasonable in design and convenient to use, can be suitable for all reverse osmosis membrane shell end covers installed on a support, and can improve installation efficiency and installation quality.

In order to achieve the above purpose, the utility model provides a pair of dismouting device of reverse osmosis membrane shell end cover, including fixed connection's first support, second support and dismouting mechanism in proper order, two first support bodies on first support is fixed in the membrane shell support by the symmetry constitute, and each first support is internal all to peg graft mutually with the second support to adjustable interval, the one end vertical fixation that first support body was kept away from to the second support has a dismouting mechanism mount pad, dismouting mechanism comprises support piece, runner handle and lead screw, the lead screw parallels with the second support after passing dismouting mechanism mount pad, its one end installation support piece of nearly first support body, the runner handle is fixed to the other end.

Furthermore, first support includes two first support bodies of parallel arrangement, and the tip of each first support body welded fastening respectively has the fixing base that is used for joint membrane shell support, has a plurality of mounting holes along first support body axial equipartition.

Furthermore, the fixing seat is formed by symmetrically and vertically welding two square pipes below the end part of the first support body, the soft rubber pad used for protecting the surface of the membrane shell is lined inside the fixing seat, and the number of the mounting holes is 5.

Furthermore, the second support includes two parallel arrangement second stake bodies of grafting complex with first stake body, the axial equipartition of second stake body has the through-hole with first stake body matched with. After the second bracket body is inserted into the first bracket body, the mounting hole is coincided with the through hole and fastened through a bolt.

Furthermore, a triangular reinforcing rib is arranged between the second bracket body and the mounting seat of the dismounting mechanism.

Furthermore, one end of the screw rod mounting support is unthreaded, a positioning pin hole is formed in the end of the screw rod mounting support, the other end of the screw rod mounting support is of a square structure, and a rotating wheel handle is mounted and fixed. The support piece is identical with the inside lining structure of membrane shell, comprises welt and support piece body, the center of welt has the trompil that penetrates the lead screw, the support piece body is round platform type structure, and on the last bottom surface of round platform was fixed in the welt, the center of lower bottom surface had the hole that is used for passing the central outlet pipe mouth of end cover, and its edge has the dismantlement hole that is used for dismantling the end cover. The rotating wheel handle adopts a rotating hand wheel matched with the turbine valve and is fixed at one end of a square opening of the screw rod.

The utility model has the advantages that: the utility model discloses can realize the quick effectual dismouting work of membrane shell end cover, simple light just can go on when dismantling the end cover, simultaneously because stress point is not at central water outlet when tearing open the end cover, so can not lead to central water outlet's damage. When the end cover is installed, due to the relation of the supporting piece, the whole end cover is uniformly stressed and can be slowly moved to a corresponding position without being manually knocked, and the membrane shell, the end cover and the sealing ring cannot be damaged. The device is more suitable for the dismouting of large-scale reverse osmosis membrane shell end cover, simple, high efficiency, specialty. The utility model discloses be suitable for batch production, can satisfy the market demand that needs develop this work.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the dismounting mechanism of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is an installation diagram of the present invention.

Description of the drawings: 1-a first bracket, 2-a fixing screw, 3-a fixing hole a, 4-a second bracket, 5-a support, 6-a wheel handle, 7-a rubber pad, 8-a screw rod, 9-an internal screw nut, 10-a fixing hole b, 11-a lining plate, 12-a gasket, 13-a fixing nut, 14-a positioning pin, 15-a fixing screw, 16-a dismounting mechanism, 17-a membrane shell and 18-a membrane shell bracket.

Detailed Description

The embodiment provides a dismounting device for an end cover of a reverse osmosis membrane shell, which has a structure shown in the figure, wherein the whole device is divided into three parts, namely a first bracket 1; second support 2 and dismouting mechanism.

The first support is composed of two first support bodies symmetrically fixed on the membrane shell support, the first support bodies are made of square tubes with the diameters of 50 x 2.5mm, two sections of square tubes are welded at one end and used for being clamped on the membrane shell support, the distance between the two sections of square tubes is 60mm, and the first support bodies are lined with 3mm soft rubber pads in a drawing and used for protecting the support from being painted. The other end is respectively provided with 5 pairs of through holes with the diameter of 14mm according to the size of the drawing, and the device can be used for adjusting the distance between the dismounting mechanism according to the sizes of different supports and membrane shells.

The second support is made of a 40-by-2.5-mm square tube, one end of the second support is welded with an H-shaped square tube as shown in the figure to make a mounting seat of the dismounting mechanism, the second support is reinforced by triangular iron, a 28mm pair of through holes are formed in the center of the H-shaped square tube, and a specially-made 20mm inner wire is welded on the outer side of the H-shaped square tube and used for fixing and rotating the screw rod. The other end is respectively provided with 5 pairs of 14mm through holes according to the size of a drawing, and the distance between the disassembling and assembling mechanisms can be adjusted according to the sizes of different supports and membrane shells when the first support is inserted;

the dismounting mechanism: the whole device consists of a supporting piece, a turning wheel handle, a screw rod and corresponding accessories, and is fixedly installed with the second bracket.

a. The lead screw is made of stainless steel, the diameter of the threaded part is 20mm, one end of the support piece is provided with a 20mm long thread with the diameter of 14mm, the end of the support piece is provided with a 10mm positioning pin hole, and the lead screw rotates to drive the support piece to move back and forth when in use. The other end of the screw rod is of a square structure, and a fixed runner handle can be installed to ensure that the screw rod can rotate along with the rotating runner when the rotating runner is rotated;

b. the support piece is made of a 5mm stainless steel plate, and the structure of the support piece refers to the lining inside the membrane shell. There is 60mm diameter hole in big head one end center, can pass the outlet pipe mouth at end cover center, and the dismouting screw hole position of the original design of membrane shell end cover is opened 3 10mm holes in the edge for support piece and end cover be connected with fixed, can use when tearing open the end cover. The other end of the supporting piece is made of a 5mm stainless steel plate and serves as a lining plate, a hole with the diameter of 20mm is formed in the center of the lining plate, and a hole with the diameter of 14mm can penetrate through one end of the screw rod, so that the screw rod cannot drive the supporting piece to rotate and can only drive the supporting piece to move back and forth.

c. The rotating wheel handle adopts a rotating hand wheel matched with the turbine valve and is fixed at one end of a square opening of the screw rod, so that the screw rod can be driven to rotate when the hand wheel is rotated.

When the present embodiment is used, the operation,

firstly, 2 first supports are respectively clamped on the supports on two sides of the membrane shell, then the second support is inserted into the first supports, the length of the second support is adjusted according to the distance between the supports and the end of the membrane shell, and the second support is fixed by a fixing screw-1, so that the membrane shell can be used.

And (3) disassembling the end cover of the membrane shell: the hand wheel is required to be rotated to enable the supporting piece to be attached to the end cover of the membrane shell tightly, after 3 fixing screws of 8mm are screwed on the end cover, the hand wheel is rotated reversely to drive the supporting piece and the end cover to move outwards along with the rotation of the screw rod until the end cover of the membrane shell can be taken out easily.

After the membrane shell end cover is detached, the fixing screws-1 on the two sides of the first support and the second support are respectively taken out, and the second support is taken down to detach or install the reverse osmosis membrane.

Installing a membrane shell end cover: after the reverse osmosis membrane is installed, the membrane shell end cover is installed, the second support is inserted into the first support again, the length of the second support is adjusted according to the distance between the support and the membrane shell end, the second support is fixed by a fixing screw-1, and then the hand wheel is slowly rotated to enable the support piece to slowly move inwards until the end cover moves to a fixed position, and installation is completed.

The utility model discloses dismouting membrane shell end cover that can be very effective quick, first support draw-in groove liner have 3mm rubber pad, can not damage the support paint during fixed. The end cover can be simply and easily disassembled, and meanwhile, the stress point is not at the central water outlet pipe opening when the end cover is disassembled, so that the central water outlet pipe opening cannot be damaged. When the end cover is installed, due to the relation of the supporting piece, the whole end cover is uniformly stressed and can be slowly moved to a corresponding position without being manually knocked, and the membrane shell, the end cover and the sealing ring cannot be damaged. The device is more suitable for dismounting/mounting the end cover of the large-scale reverse osmosis membrane shell, and is simple, rapid, efficient and professional.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a dismouting device of reverse osmosis membrane shell end cover which characterized in that: including fixed connection's first support, second support and dismouting mechanism in proper order, two first support bodies that first support was fixed in on the membrane shell support by the symmetry constitute, and each first support is internal all to peg graft mutually with the second support to adjustable interval, the one end vertical fixation that first support body was kept away from to the second support has dismouting mechanism mount pad, dismouting mechanism comprises support piece, runner handle and lead screw, the lead screw parallels with the second support after passing dismouting mechanism mount pad, its one end installation support piece of nearly first support body, the runner handle is fixed to the other end.

2. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 1, wherein: the first support comprises two first support bodies which are arranged in parallel, the end part of each first support body is respectively welded and fixed with a fixing seat used for clamping the membrane shell support, and a plurality of mounting holes are uniformly distributed along the axial direction of the first support body.

3. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 2, wherein: the fixing seat is formed by welding two square tubes below the end part of the first support body symmetrically and vertically, and a soft rubber pad used for protecting the surface of the membrane shell is lined inside the fixing seat.

4. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 2, wherein: the number of the mounting holes is 5.

5. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 1, wherein: the second support comprises two second support bodies which are arranged in parallel and matched with the first support body in an inserting mode, and through holes matched with the first support body are evenly distributed in the axial direction of the second support bodies.

6. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 5, wherein: and a triangular reinforcing rib is arranged between the second bracket body and the mounting seat of the dismounting mechanism.

7. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 5, wherein: after the second bracket body is inserted into the first bracket body, the mounting hole coincides with the through hole and is fastened through a bolt.

8. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 1, wherein: one end of the screw rod mounting support piece is unthreaded, a positioning pin hole is formed in the end of the screw rod mounting support piece, the other end of the screw rod mounting support piece is of a square structure, and a rotating wheel handle is mounted and fixed.

9. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 1, wherein: the support piece is identical with the inside lining structure of membrane shell, comprises welt and support piece body, the center of welt has the trompil that penetrates the lead screw, the support piece body is round platform type structure, and on the last bottom surface of round platform was fixed in the welt, the center of lower bottom surface had the hole that is used for passing the central outlet pipe mouth of end cover, and its edge has the dismantlement hole that is used for dismantling the end cover.

10. A device for dismounting and mounting an end cover of a reverse osmosis membrane shell according to claim 1, wherein: the rotating wheel handle adopts a rotating hand wheel matched with the turbine valve and is fixed at one end of a square opening of the screw rod.