CN108554183B - Membrane shell disassembling tool for disc tube type membrane column - Google Patents
Membrane shell disassembling tool for disc tube type membrane column Download PDFInfo
- Publication number
- CN108554183B CN108554183B CN201810313366.2A CN201810313366A CN108554183B CN 108554183 B CN108554183 B CN 108554183B CN 201810313366 A CN201810313366 A CN 201810313366A CN 108554183 B CN108554183 B CN 108554183B
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- China
- Prior art keywords
- pull rod
- hole
- disc
- membrane
- central shaft
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention provides a membrane shell disassembling tool for a disc tubular membrane column, which comprises a handle, a central shaft, a fixed disc, a socket wrench, a connecting piece, a pull rod and a clamping part. When in use, the sleeve spanner is sleeved on the nut at the top of the disc tube type membrane column, and the bottom of the membrane shell is held by the holding component. The rotating handle drives the central shaft to move downwards, and the clamping part drives the membrane shell to move upwards. The tool is convenient to carry, labor-saving to operate and capable of avoiding damage to the membrane shell and the membrane column in the disassembly process.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a membrane shell disassembling tool for a disc-tube type membrane column.
Background
At present, the disc-tube type membrane column is widely applied to the sewage treatment fields of treating percolate, chemical sewage, pharmaceutical sewage, desulfurization wastewater of power plants and the like, and achieves better effects. However, the membrane shell of the disc-tube type membrane column is difficult to detach due to the influence of factors such as heat expansion and cold contraction.
At present, most of the industry uses tools such as jacks, crowbars, wedges, and hoists to detach the membrane shell of the membrane column in a jacking, prying, pulling and other modes. Because it is difficult to guarantee that circular membrane shell atress is even, often inefficiency still causes the damage of membrane shell even whole membrane post easily. And the disassembly workload is relatively large when the membrane shell is replaced, which is one of the main problems encountered by operators. Therefore, special tools are required to be developed to disassemble the membrane shell of the disc-tube membrane column.
In view of this, the present invention has been made.
Disclosure of Invention
The invention aims to provide a membrane shell disassembling tool for a disc tube type membrane column.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the invention relates to a membrane shell disassembling tool for a disc tube type membrane column, which comprises a lifting assembly, a grabbing assembly and a connecting piece.
The lifting assembly comprises a handle, a central shaft, a fixed disc and a socket wrench, wherein threads are machined on the surface of the central shaft, a hole is formed in the center of the fixed disc, one end of the central shaft is fixedly connected with the handle, the other end of the central shaft penetrates through the central hole of the fixed disc and is fixedly connected with the socket wrench, the socket wrench is used for being combined with a nut on the top of a disc tube type membrane column, and the central shaft is matched with the fixed disc through threads.
The grabbing component comprises a pull rod and a clamping part, the top of the pull rod is connected with the fixed disc through the connecting piece, the bottom of the pull rod is fixedly connected with the clamping part, and the clamping part is used for being combined with the bottom of the membrane shell of the disc tubular membrane column.
Preferably, the device further comprises a flat bottom thrust ball bearing, wherein the flat bottom thrust ball bearing is positioned between the fixed disc and the socket wrench, and a central shaft ring of the flat bottom thrust ball bearing is fixedly connected with the central shaft.
Preferably, the two ends of the connecting piece are provided with connecting holes.
And a cotter pin is fixed at the upper end of the pull rod, and the size of a pin hole on the cotter pin is matched with that of the connecting hole.
The connecting hole is internally provided with a pin shaft, and the pin shaft is used for fastening, so that the pull rod is connected with the fixed disc.
Preferably, the connecting holes at two ends of the connecting piece are a first connecting hole and a second connecting hole respectively, and the fixing plate is provided with a fixing hole.
The size of the pin hole on the split pin is matched with that of the first connecting hole, and the size of the fixing hole is matched with that of the second connecting hole.
The first pin shaft sequentially penetrates through the first connecting hole and the pin hole, so that the connecting piece and the pull rod are fixed.
The second pin shaft sequentially penetrates through the second connecting hole and the fixing hole to fix the connecting piece and the fixing disc.
Preferably, the number of the pull rods is more than three.
Preferably, the number of the pull rods is three, and the angle between two adjacent pull rods is 120 degrees.
Preferably, the pull rod comprises more than two pull rod units, and the pull rod units are connected through threaded connection and/or a pull rod connecting sleeve.
Preferably, threads are machined at two ends of the pull rod units, the pull rod units are connected through threaded rotation, and then the pull rod connecting sleeve is coated at the connecting part.
Preferably, the holding component is a fixed block, the fixed block comprises a top surface, a bottom surface, a first side surface and a second side surface, the top surface is parallel to the bottom surface, the first side surface and the second side surface are perpendicular to the top surface, the first side surface and the top surface form a first step, the second side surface and the bottom surface form a second step, and the projection of the first step in the vertical direction is located in the projection of the second step in the vertical direction.
Preferably, the fixing block is a cuboid or a cube.
The invention has the beneficial effects that:
the invention provides a membrane shell disassembling tool for a disc tubular membrane column, which comprises a handle, a central shaft, a fixed disc, a socket wrench, a connecting piece, a pull rod and a clamping part. When in use, the sleeve spanner is sleeved on the nut at the top of the disc tube type membrane column, and the bottom of the membrane shell is held by the holding component. The rotating handle drives the central shaft to move downwards, and the clamping part drives the membrane shell to move upwards so as to detach the membrane shell from the membrane column. The tool is convenient to carry, labor-saving to operate and capable of avoiding damage to the membrane shell and the membrane column in the disassembly process.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a disc tube membrane column.
Fig. 2 is a schematic structural view of a membrane shell removal tool for a disc tube membrane column according to the present invention.
Fig. 3 is a schematic structural view of the connection member in the above-mentioned membrane shell removal tool.
Fig. 4 is a schematic structural view of the gripping assembly in the above-mentioned membrane shell removal tool.
In the figure, 1 is a disc tubular membrane column;
11-a membrane shell; 12-film roll; 13-an upper flange; 14-a lower flange; 15-a central pull rod;
16-a water purifying joint; 17-nut; 18-a water inlet; 19-a water outlet; a 20-O-ring;
2-a membrane shell removal tool;
21-a pull assembly;
211-a handle; 212-a central axis; 213-a fixed disk; 214-flat bottom thrust ball bearings;
215-socket wrench;
22-a grip assembly;
221-a tie rod unit; 222-fixing blocks; 2221-first step; 2222-second step;
223-pull rod connecting sleeve;
23-connector
231-first connection holes; 232-a second connection hole; 233-a first pin;
234-a second pin; 235-cotter pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
As shown in fig. 1, the disc-tube membrane column 1 includes a membrane shell 11 and a membrane roll 12. Along the length direction of the membrane shell 11, a membrane roll 12 is spirally arranged in the inner cavity of the membrane shell 11 and is used for treating sewage entering the membrane shell 11. An upper flange 13 is provided at the upper end of the membrane housing 11, and a lower flange 14 is provided at the lower end of the membrane housing 11 for sealing the membrane housing 11. A plurality of O-rings 20 are provided in the membrane housing 11 to seal the respective internal structures. A central tie rod 15 is provided on the central axis of the membrane housing 11, which extends through the upper flange 13, the membrane roll 12 and the lower flange 14. The water purifying connector 16 is wrapped and arranged on the upper periphery of the central pull rod 15, and is used for fixedly connecting the water purifying connector 16 with the upper flange 13. A nut 17 is arranged at the top end of the water purifying joint 16 and is used for fixedly connecting the water purifying joint 16 with the central pull rod 15. A water inlet 18 is arranged above the membrane column 1, and a water outlet 19 is arranged below the membrane column 1. Sewage enters the membrane column 1 from the water inlet 18, forms turbulence between the membrane rolls 12, scours and cleans the surfaces of the membrane rolls 12 to remove pollutants, and finally is discharged from the water outlet 19.
In order to solve the problem that the membrane shell 11 of the disc tube membrane column 1 is difficult to disassemble, the invention provides a membrane shell disassembling tool 2 for the disc tube membrane column, which comprises a lifting assembly 21, a gripping assembly 22 and a connecting piece 23 as shown in fig. 2.
The lifting assembly 21 is used for being combined with the top nut 17 of the disc tube type membrane column membrane shell 11 to stably lift the membrane shell 11. The gripping assembly 22 is used for being combined with the bottom edge of the membrane shell 11, and is matched with the lifting assembly 21 to drive the membrane shell 11 to move upwards. The pulling assembly 21 and the gripping assembly 22 are connected by a connecting piece 23.
Further, the pulling assembly 21 includes a handle 211, a central shaft 212, a fixing plate 213, and a socket wrench 215, the central shaft 212 is threaded, and a hole is formed in the center of the fixing plate 213. One end of the center shaft 212 is fixedly connected with the handle 211, and the other end of the center shaft 212 passes through a center hole of the fixing plate 213 and is fixedly connected with the socket wrench 215. The center shaft 212 is screw-engaged with the fixed plate 213, and the center shaft 212 is rotated in the vertical direction by rotating the handle 211. A hexagonal or dodecagonal hole is provided in the socket 215, the size of which is to be matched to the nut 17 at the top of the disc tubular membrane column 1. When the disc-tube type membrane column is used, the nut 17 at the top of the disc-tube type membrane column 1 is clamped in the built-in hole of the socket spanner 215, the central shaft 212 is enabled to move downwards through the rotating handle 211 to press down the nut 17, and the socket spanner 215 can be replaced according to disc-tube type membrane columns 1 of different types.
The grip assembly 22 includes a pull rod and a gripping member. The top of the pull rod is connected with the fixed disk 213 through the connecting piece 23, and the bottom of the pull rod is fixedly connected with the clamping component. While the nut 17 is pressed down by the lifting assembly 21, the clamping component is combined with the bottom edge of the membrane shell 11, and the clamping component is lifted up and pulled away from the initial position by the linkage of the pull rod.
As an improvement to the pulling assembly 21, a flat bottom thrust ball bearing 214 is also provided between the fixed disk 213 and the socket wrench 215, which acts to bear axial loads in the assembly and avoid frictional damage of the central shaft 212 to the central pull rod 15 of the membrane column 1. The flat bottom thrust ball bearing 214 includes a collar, race, and steel balls, the collar of which is fixed to the central shaft 212. For example, the inner race of the flat bottom thrust ball bearing 214 may be an interference fit with the central shaft 212. When the handle 211 drives the central shaft 212 to rotate, the outer ring of the flat bottom thrust ball bearing 214 drives the socket wrench 215 to rotate, and further the nut 17 at the top of the disc tube type membrane column 1 is pressed down, so that the membrane shell 11 is separated from the membrane column 1.
As an improvement of the connecting member 23, the connecting member 23 may be a strip-shaped plate, and connecting holes are provided at both ends of the connecting member 23. A cotter pin 235 is fixed at the upper end of the pull rod, and the size of a pin hole on the cotter pin 235 is matched with that of the connecting hole. The connection of the tie rod and the fixing plate 213 is achieved by installing a pin in the connection hole and fastening with the pin.
Further, as shown in fig. 3, the connection holes at both ends of the connection member 23 are a first connection hole 231 and a second connection hole 232, respectively, and a fixing hole is provided on the fixing plate 213. The size of the pin hole on the cotter 235 matches the first connection hole 231 and the size of the fixing hole matches the second connection hole 232. The first pin shaft 233 sequentially passes through the first connection hole 231 and the pin hole, so that the connection piece 23 and the pull rod are fixed. The second pin shaft 234 sequentially passes through the second connection hole 232 and the fixing hole, so that the connection piece 23 is fixed with the fixing plate 213. Of course, the fixation between the connection piece and the tie rod and the fixing plate 213 may also be achieved in other ways.
As an improvement to the grip assembly 22, the number of tie rods is three or more. In order to ensure that the multipoint stress below the membrane shell 11 is uniform, the inventor successively tries three pull rods, four pull rods and a structure with arc supports for the two pull rods. Finally, the three-point surface can ensure that the plane where the edge of the film shell 11 is positioned is uniformly stressed, so that a three-pull rod structure is adopted, and the angle between two adjacent pull rods is the most suitable angle of 120 degrees.
In order to facilitate the disassembly of the tie rod and reduce the storage space, the tie rod may include more than two tie rod units 221, and the tie rod units 221 are connected by screw connection and/or a tie rod connecting sleeve 223. In order to achieve the convenience of disassembly and firm combination between the pull rod units 221, threads can be machined at two ends of the pull rod units 221, the pull rod units 221 are connected through threaded rotation, and then the pull rod connecting sleeve 223 is coated on the connecting part to protect the connecting part.
As an improvement to the gripping assembly 22, the gripping member may be a fixed block 222 that is highly stressed per unit area and is less prone to impact with the adjacent membrane column 1. As shown in fig. 4, the fixing block 222 includes a top surface, a bottom surface, a first side surface and a second side surface, the top surface is parallel to the bottom surface, and the first side surface and the second side surface are perpendicular to the top surface. The preferred shape of the fixed block 222 is a cuboid or cube. The first side surface and the top surface form a first step 2221, the second side surface and the bottom surface form a second step 2222, and a projection of the first step 2221 in the vertical direction is located in a projection of the second step 2222 in the vertical direction. When the lifting assembly 21 pushes down the nut 17, the bottom edge of the membrane shell 11 is embedded into the second step 2222 of the fixed block 222, and the handle 211 drives the socket wrench 215 and the fixed block 222 to synchronously move upwards, so that the membrane shell 11 leaves the initial position. Compared with a movable jaw and other holding tools, the fixed block 222 can be directly processed by adopting round steel, has simple process, can be matched by a three-pull-rod structure, and can stably lift the edge of the membrane shell.
The working process of the membrane shell disassembling tool 2 of the disc-tube type membrane column 1 is as follows:
the membrane shell disassembling tool 2 of the disc tube type membrane column 1 is moved downwards, so that three pull rods are positioned on the periphery of the membrane shell 11. The second step 2222 of the fixing block 222 is used for buckling the outer edge of the bottom of the membrane shell 11, and the built-in hole of the socket wrench 215 is sleeved on the nut 17 at the top of the disc tubular membrane column 1, so that the nut 17 is clamped in the built-in hole. The handle 211 is rotated, the central shaft 212 is enabled to move downwards to press down the nut 17 through the transmission of the acting force by the fixed disc 213 and the flat bottom ball pushing bearing 214, and the connecting piece 23 is used for driving the pull rod to move upwards, so that the membrane shell 11 is separated from the membrane column 1.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A membrane shell disassembling tool for a disc tube type membrane column is characterized by comprising a lifting assembly, a grabbing assembly and a connecting piece, wherein,
the lifting assembly comprises a handle, a central shaft, a fixed disc and a socket spanner, wherein threads are machined on the surface of the central shaft, a hole is formed in the center of the fixed disc, one end of the central shaft is fixedly connected with the handle, the other end of the central shaft penetrates through the central hole of the fixed disc and is fixedly connected with the socket spanner, the socket spanner is used for being combined with a nut at the top of a disc tubular membrane column, the central shaft is matched with the fixed disc through threads,
the clamping assembly comprises a pull rod and a clamping part, the top of the pull rod is connected with the fixed disc through the connecting piece, the bottom of the pull rod is fixedly connected with the clamping part, and the clamping part is used for being combined with the bottom of the membrane shell of the disc tubular membrane column;
the film shell disassembling tool for the disc tube type film column further comprises a flat bottom thrust ball bearing, wherein the flat bottom thrust ball bearing is positioned between the fixed disc and the socket wrench, and a central shaft of the flat bottom thrust ball bearing is fixedly connected with the central shaft;
the number of the pull rods is three, and the angle between two adjacent pull rods is 120 degrees;
the clamping component is a fixed block, the fixed block comprises a top surface, a bottom surface, a first side surface and a second side surface, the top surface is parallel to the bottom surface, the first side surface and the second side surface are perpendicular to the top surface, the first side surface and the top surface form a first step, the second side surface and the bottom surface form a second step, and the projection of the first step in the vertical direction is positioned in the projection of the second step in the vertical direction;
the two ends of the connecting piece are provided with connecting holes, the upper end of the pull rod is fixedly provided with a split pin, the size of a pin hole on the split pin is matched with that of the connecting holes,
the connecting hole is internally provided with a pin shaft, and the pin shaft is used for fastening, so that the pull rod is connected with the fixed disc;
the connecting holes at the two ends of the connecting piece are respectively a first connecting hole and a second connecting hole, the fixed disk is provided with a fixed hole,
the size of the pin hole on the split pin is matched with that of the first connecting hole, the size of the fixing hole is matched with that of the second connecting hole,
the first pin shaft sequentially passes through the first connecting hole and the pin hole to fix the connecting piece and the pull rod,
the second pin shaft sequentially penetrates through the second connecting hole and the fixing hole to fix the connecting piece and the fixing disc.
2. Tool according to claim 1, characterized in that the pull rod comprises more than two pull rod units, which are connected by means of a threaded connection and/or a pull rod connection sleeve.
3. The tool according to claim 2, wherein threads are formed at both ends of the pull rod units, the pull rod units are connected by rotating the threads, and then the pull rod connecting sleeve is coated at the connection part.
4. The tool of claim 1, wherein the fixed block is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313366.2A CN108554183B (en) | 2018-04-09 | 2018-04-09 | Membrane shell disassembling tool for disc tube type membrane column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313366.2A CN108554183B (en) | 2018-04-09 | 2018-04-09 | Membrane shell disassembling tool for disc tube type membrane column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108554183A CN108554183A (en) | 2018-09-21 |
| CN108554183B true CN108554183B (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810313366.2A Active CN108554183B (en) | 2018-04-09 | 2018-04-09 | Membrane shell disassembling tool for disc tube type membrane column |
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| Country | Link |
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| CN (1) | CN108554183B (en) |
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| CN108554183A (en) | 2018-09-21 |
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