Special nut components and integrated devices for DTRO membrane columns for sewage treatment

Abstract

The utility model discloses a special nut component and integrated device for DTRO membrane column for sewage treatment, wherein the nut component includes a connecting nut and a lifting assembly, the connecting nut includes a nut body and two load-bearing parts arranged on the nut body, the nut body is connected to the central pull rod of the DTRO membrane column; the lifting assembly includes a screw rod and a limit nut matched with the screw rod; the two load-bearing parts of the screw rod are detachably connected at one end away from the nut body; the integrated device includes a plurality of DTRO membrane columns, and the central pull rod of the DTRO membrane column is connected with a nut component to realize the lifting and moving of the DTRO membrane column and / or the connection with the integrated frame. The nut component of the utility model is applied to the integrated installation, removal, lifting and moving of the DTRO membrane column, and has a simple structure, is convenient and fast, saves manpower, and greatly reduces the risk factor in the process; without changing the function of the traditional nut, the load-bearing part and the lifting assembly are arranged to realize the locking or load-bearing lifting function, so as to achieve multiple uses of one object and save the spare cost of accessories.

Description

Technical Field

[0001] The utility model relates to the technical field of DTRO membrane systems, in particular to a nut component used in the processes of vertical hanging, horizontal hanging and installation integration of a sewage treatment DTRO membrane column. Background Art

[0002] DTRO membrane is a form of reverse osmosis, a membrane assembly specially used to treat high-concentration sewage. Its core technology is disc-tube membrane column. The reverse osmosis membrane and hydraulic guide plate are stacked together, fixed with a central tie rod and end plates, and then placed in a pressure-resistant casing to form a membrane column.

[0003] The installation and disassembly of DTRO membrane columns has become a very important task in the production, operation and maintenance of DTRO integrated equipment. Due to the weight of DTRO membrane columns as high as 70 kg, the high integration of equipment, and the narrow installation space between DTRO membrane columns, the operation is difficult. If the installation is only carried out manually, on the one hand, it will increase the labor intensity of personnel, on the other hand, it will increase the risk of injury to personnel, and at the same time, the efficiency of installation cannot be guaranteed. Summary of the invention

[0004] In order to overcome the above-mentioned defects, the utility model provides a nut component for a sewage treatment DTRO membrane column, which not only has a simple structure, but also can meet the use of the DTRO membrane column in vertical hanging, horizontal hanging and installation integration, while also greatly reducing the risk factor during the operation.

[0005] A technical solution adopted by the utility model to solve the technical problem is to provide a special nut component for DTRO membrane column for sewage treatment, which includes:

[0006] A connecting nut, comprising a nut body and two load-bearing parts arranged on the nut body, wherein the two load-bearing parts are parallel to the axis of the nut body and symmetrically arranged on both sides of the axis; the nut body is connected to the central pull rod of the DTRO membrane column;

[0007] The lifting assembly comprises a screw rod and a limiting nut matched with the screw rod; the screw rod is arranged perpendicular to the axis of the nut body and is detachably connected to one end of the two load-bearing members away from the nut body.

[0008] As a further improvement of the present invention, a threaded inner wall of a drilled hole is formed on the nut body for threaded connection with the central tie rod of the DTRO membrane column.

[0009] As a further improvement of the present invention, the nut body is a hexagonal nut, and the two load-bearing members are close to one end of the nut body and are fixedly connected to two radially opposite outer wall surfaces of the nut body respectively.

[0010] As a further improvement of the present invention, the two load-bearing members are respectively provided with through holes for the screw rod to pass through.

[0011] As a further improvement of the present invention, the nut body and the two load-bearing parts are welded or cast to form an integral structure.

[0012] Another technical solution adopted by the utility model to solve its technical problems is to provide an integrated device, including an integrated frame and a plurality of DTRO membrane columns arranged on the integrated frame, the DTRO membrane column including a shell membrane, an upper flange and a lower flange arranged at both ends of the shell membrane, and a center pull rod arranged in the shell membrane and passing through the upper flange and the lower flange along the central axis of the shell membrane, the two ends of the center pull rod are threaded and locking nuts are respectively tightened to fix the upper flange and the lower flange, at least one end of the center pull rod of the DTRO membrane column is connected to the nut member as described in any one of claims 1 to 4 to realize the movement and lifting of the DTRO membrane column and / or the connection with the integrated frame.

[0013] As a further improvement of the present invention, the integrated frame includes a connecting plate, on which a plurality of mounting holes are arranged at intervals. One end of the central pull rod of each DTRO membrane column passes through the corresponding mounting hole and the connecting nut is tightened respectively to realize the integration of the DTRO membrane column.

[0014] The beneficial effects of the utility model are as follows: through the cooperation of the connecting nut and the lifting assembly, it is applied to the integrated installation, removal, lifting and moving of the DTRO membrane column, with a simple structure, convenience and speed, saving manpower, and greatly reducing the risk factor in the operation process; by arranging the load-bearing parts and the lifting assembly on the nut body without changing the function of the traditional nut, it can realize the functions of locking or load-bearing lifting, so as to achieve multiple uses of one thing and save the spare cost of accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the nut component of the utility model;

[0016] Figure 2 It is a schematic diagram of the exploded structure of the nut component of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the integrated device of the utility model;

[0018] Figure 4 This is a structural schematic diagram of the DTRO membrane column of the utility model in a horizontal hanging state;

[0019] Figure 5 It is a structural schematic diagram of the DTRO membrane column of the utility model in a vertical hanging state.

[0020] Combined with the accompanying drawings, the following description is given:

[0021] 1. Connecting nut; 11. Nut body; 111. Drilling hole; 12. Load-bearing part; 121. Through hole; 2. Lifting assembly; 21. Screw; 22. Limit nut; 3. DTRO membrane column; 31. Shell membrane; 32. Upper flange; 33. Lower flange; 34. Center pull rod; 35. Locking nut; 4. Integrated frame; 41. Connecting plate; 411. Mounting hole. DETAILED DESCRIPTION

[0022] A preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.

[0023] See also Figures 1 to 2 , the utility model provides an embodiment of a nut component dedicated to a DTRO membrane column for sewage treatment.

[0024] The nut component includes a connecting nut 1 and a hanging assembly 2. Specifically, the connecting nut 1 includes a nut body 11, and two load-bearing members 12 arranged on the nut body 11, the two load-bearing members 12 are parallel to the axis of the nut body 11 and symmetrically arranged on both sides of the axis; the nut body 11 is connected to the central pull rod 34 of the DTRO membrane column 3; the hanging assembly 2 includes a screw rod 21 and a limit nut 22 adapted to the screw rod 21; the screw rod 21 is arranged perpendicular to the axis of the nut body 11, and is detachably connected to one end of the two load-bearing members 12 away from the nut body 11.

[0025] The threaded inner wall of a borehole 111 is formed on the nut body 11 for threaded connection with the central tie rod 34 of the DTRO membrane column 3. Another achievable method is to provide a threaded stud on the nut body 11, and the central tie rod 34 of the DTRO membrane column 3 has a threaded hole on its axis that matches the stud.

[0026] The nut body 11 provided in this embodiment is a hexagonal nut, and two load-bearing members 12 are close to one end of the nut body 11 and are respectively fixedly connected to two radially opposite outer wall surfaces of the nut body 11. The nut body 11 and the two load-bearing members 12 are welded or cast to form an integral structure to ensure that the load-bearing members 12 are stably connected to the nut body 11 and will not separate under a certain gravity.

[0027] In this embodiment, the connecting nut 1 is a U-shaped structure formed by a nut body 11 and two load-bearing parts 12, with an opening on one side away from the nut body 11, and a detachable lifting assembly 2 is provided at the opening. When the lifting assembly 2 cooperates with the connecting nut 1, the nut member of this embodiment forms a lifting ring structure that is convenient for cooperating with lifting tools such as ropes or hinge devices to achieve lifting operations; when the lifting assembly 2 is separated from the connecting nut 1, the connecting nut 1 can be used as a conventional locking nut. In this embodiment, the load-bearing part 12 and the lifting assembly 2 are provided on the nut body 11 to achieve functions such as locking or load-bearing lifting without changing the function of the traditional nut, so as to achieve multiple uses of one object and save the spare cost of accessories.

[0028] See also Figure 3 The embodiment of the integrated device provided in the present application comprises an integrated frame 4 and a plurality of DTRO membrane columns 3 arranged on the integrated frame 4, wherein the DTRO membrane column 3 comprises a shell membrane 31, an upper flange 32 and a lower flange 33 arranged at both ends of the shell membrane 31, and a central tie rod 34 arranged in the shell membrane 31 and passing through the upper flange 32 and the lower flange 33 along the central axis of the shell membrane 31, wherein both ends of the central tie rod 34 are threaded and respectively tightened with locking nuts 35 to fix the upper flange 32 and the lower flange 33, and at least one end of the central tie rod 34 of the DTRO membrane column 3 is connected to a nut member to realize the movement and lifting of the DTRO membrane column 3 and / or the connection with the integrated frame 4. The integrated frame 4 comprises a connecting plate 41, on which a plurality of mounting holes 411 are arranged at intervals, and one end of the central tie rod 34 of each DTRO membrane column 3 passes through the corresponding mounting hole 411 and is respectively tightened with a connecting nut 1 to realize the integration of the DTRO membrane column 3.

[0029] See also Figure 4 When nut components are connected to both ends of the central pull rod 34 of the DTRO membrane column 3, the horizontal hanging operation of the DTRO membrane column 3 can be realized, which is convenient for the integration of the DTRO membrane column 3 in the horizontal direction.

[0030] See also Figure 5 When a nut component is connected to one end of the central pull rod 34 of the DTRO membrane column 3, the vertical lifting operation of the DTRO membrane column 3 can be realized and it can be moved to the top of the integrated frame 4 during vertical lifting. After the lower end of the central pull rod 34 is inserted into the mounting hole 411, the connecting nut 1 is used to press it onto the integrated frame 4, which is convenient for the vertical integration of the DTRO membrane column 3. In addition, it can play an assisting function during the removal, replacement, and maintenance of the DTRO membrane column 3, thereby improving the safety of the operation process.

[0031] In summary, the utility model provides a special nut component for DTRO membrane column for sewage treatment, which is used in the integrated installation, dismantling, lifting and moving processes of DTRO membrane column. It has a simple structure, is convenient and fast, saves manpower, and greatly reduces the risk factor in the process. Without changing the function of the traditional nut, load-bearing parts and lifting components are arranged on the nut body to realize the functions of locking or load-bearing lifting, so as to achieve multiple uses of one thing and save the spare cost of accessories.

[0032] Many specific details are described in the above description to facilitate a full understanding of the present invention. However, the above description is only a preferred embodiment of the present invention. The present invention can be implemented in many other ways different from those described herein, so the present invention is not limited by the specific implementation disclosed above. At the same time, any person familiar with the technical field can make many possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. A nut component for DTRO membrane column for sewage treatment, characterized in that: include: A connecting nut (1) comprises a nut body (11) and two load-bearing parts (12) arranged on the nut body (11), wherein the two load-bearing parts (12) are parallel to the axis of the nut body (11) and are symmetrically arranged on both sides of the axis; the nut body (11) is connected to a central pull rod (34) of a DTRO membrane column (3); The lifting assembly (2) comprises a screw rod (21) and a limiting nut (22) matched with the screw rod (21); the screw rod (21) is arranged perpendicular to the axis of the nut body (11) and is detachably connected to one end of the two load-bearing parts (12) away from the nut body (11).

2. The nut member for DTRO membrane column for sewage treatment according to claim 1 is characterized in that: The threaded inner wall of a borehole (111) is formed on the nut body (11) and is used for threaded connection with the central pull rod (34) of the DTRO membrane column (3).

3. The nut member for DTRO membrane column for sewage treatment according to claim 1 is characterized in that: The nut body (11) is a hexagonal nut, and the two load-bearing members (12) are located close to one end of the nut body (11) and are respectively fixedly connected to two radially opposite outer wall surfaces of the nut body (11).

4. The nut member for DTRO membrane column for sewage treatment according to claim 1, characterized in that: The two load-bearing members (12) are respectively provided with a through hole (121) for the screw rod (21) to pass through.

5. The nut member for DTRO membrane column for sewage treatment according to claim 1, characterized in that: The nut body (11) and the two load-bearing parts (12) are welded or cast to form an integral structure.

6. An integrated device, comprising an integrated frame (4) and a plurality of DTRO membrane columns (3) arranged on the integrated frame (4), characterized in that: The DTRO membrane column (3) includes a shell membrane (31), an upper flange (32) and a lower flange (33) arranged at both ends of the shell membrane (31), and a center tie rod (34) arranged in the shell membrane (31) and passing through the upper flange (32) and the lower flange (33) along the central axis of the shell membrane (31), both ends of the center tie rod (34) are threaded and locking nuts (35) are respectively tightened to fix the upper flange (32) and the lower flange (33), at least one end of the center tie rod (34) of the DTRO membrane column (3) is connected to the nut member as described in any one of claims 1 to 5, so as to realize the movement and lifting of the DTRO membrane column (3) and / or the connection with the integrated frame (4).

7. The integrated device according to claim 6, characterized in that: The integrated frame (4) comprises a connecting plate (41) on which a plurality of mounting holes (411) are arranged at intervals. One end of the central pull rod (34) of each DTRO membrane column (3) passes through the corresponding mounting hole (411) and then the connecting nut (1) is tightened to achieve the integration of the DTRO membrane column (3).

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