CN214644904U - Tube plate crack repairing device for shell-and-tube graphite heat exchanger - Google Patents
Tube plate crack repairing device for shell-and-tube graphite heat exchanger Download PDFInfo
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- CN214644904U CN214644904U CN202120374856.0U CN202120374856U CN214644904U CN 214644904 U CN214644904 U CN 214644904U CN 202120374856 U CN202120374856 U CN 202120374856U CN 214644904 U CN214644904 U CN 214644904U
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Abstract
The utility model provides a shell and tube graphite heat exchanger tube sheet crackle prosthetic devices, includes two solid fixed rings, two solid fixed ring between be equipped with even board, be equipped with the bar hole on even board, the downthehole first sliding plate that is equipped with of bar is equipped with drilling motor on the first sliding plate. The patent of the utility model adopts the above structure, can realize the quick restoration purpose of crackle on the tube sheet part in the heat exchanger pipe, improve and restore the operating efficiency and ensure the restoration precision.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, specific be a tube shell type graphite heat exchanger tube sheet crackle prosthetic devices.
Background
The shell-and-tube heat exchanger is also called a tube-type heat exchanger, and is a dividing wall type heat exchanger which takes the wall surface of a tube bundle sealed in a shell as a heat transfer surface. A shell-and-tube graphite heat exchanger is generally adopted in a phosphoric acid concentration section in the phosphating device as heat exchange equipment and is key core process equipment. The heat exchanger shell, the upper sealing head, the lower sealing head and the like are generally made of metal materials, and the heat exchange tube and the tube plate are made of graphitized materials. However, the graphite is easy to crack, so that the equipment is easy to damage due to the characteristics of low bending resistance and low tensile strength, and particularly the graphite tube plate is difficult to maintain.
Disclosure of Invention
The utility model aims to solve the technical problem that a tube sheet crackle prosthetic devices of shell and tube graphite heat exchanger is provided, can realize the quick restoration purpose of the crackle on the heat exchanger tube plate part, improve and restore the operating efficiency and ensure the restoration precision.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a shell and tube graphite heat exchanger tube sheet crackle prosthetic devices, includes two solid fixed rings, two solid fixed ring between be equipped with even board, be equipped with the bar hole on even board, the downthehole first sliding plate that is equipped with of bar is equipped with drilling motor on the first sliding plate.
In the preferred scheme, the fixed ring is provided with a plurality of threaded holes towards the central axis of the fixed ring, and the threaded holes are penetrated with positioning bolts.
In a preferable scheme, one end of the positioning bolt, which is positioned in the fixed ring, is provided with a rubber pad.
In the preferred scheme, the outer wall of the fixing ring is symmetrically provided with two lug plates, and the two guide rods respectively penetrate through one of the lug plates on the two fixing rings to realize the connection between the two fixing rings.
In the preferred scheme, the side walls of the two sides of the strip-shaped hole are provided with positioning chutes, the side wall of the first sliding plate is provided with a convex block, and the convex block is arranged in the positioning chutes.
In the preferred scheme, one end of the strip-shaped hole is provided with an extension strip hole, the extension strip hole and the strip-shaped hole form a T-shaped hole, a second sliding plate is further arranged in the strip-shaped hole, and the second sliding plate is provided with a graphite rod positioning mechanism.
In a preferable scheme, the positioning sliding groove extends to one side of the extending strip hole close to the strip hole, the protruding blocks on the first sliding plate and the second sliding plate are both L-shaped, and the L-shaped protruding blocks are arranged on different sides of the first sliding plate and the second sliding plate and on end walls of one ends of the first sliding plate and the second sliding plate far away from the extending strip hole.
In a preferred scheme, a motor base is arranged on the first sliding plate, the motor base is arranged on the first sliding plate in a penetrating mode and can move relative to the first sliding plate, the drilling motor is arranged on the motor base, and a handle is arranged on the side wall of the motor base.
In a preferable scheme, the graphite rod positioning mechanism comprises a positioning tube which is arranged on the second sliding plate in a penetrating mode, and the positioning tube is arranged towards the center shaft of the fixing ring.
In a preferred scheme, the positioning pipe is arranged on the positioning pipe seat, and the positioning pipe seat penetrates through the second sliding plate and can move relative to the second sliding plate.
The utility model provides a shell and tube graphite heat exchanger tube sheet crackle prosthetic devices through adopting above-mentioned structure, has following beneficial effect:
(1) the device can ensure the stability of drilling equipment in the drilling process and improve the crack repairing precision;
(2) the graphite rod positioning mechanism additionally arranged can be used as a positioning mechanism for adhesive filling and graphite rod insertion, the problem that the adhesive leaks outwards or the graphite rod is inserted obliquely can be avoided, and the repair quality is guaranteed.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the fixing ring structure of the present invention.
Fig. 3 is a schematic view of the connecting plate structure of the present invention.
Fig. 4 is a schematic diagram of a second sliding plate structure according to the present invention.
In the figure: fixed ring 1, screw hole 2, positioning bolt 3, rubber pad 301, otic placode 4, guide bar 5, even board 6, bar hole 7, location spout 701, first sliding plate 8, drilling motor 9, extension bar hole 10, second sliding plate 11, graphite rod positioning mechanism 12, motor cabinet 13, handle 14, registration arm 15, lug 16, location tube socket 17.
Detailed Description
As shown in fig. 1, the tube plate crack repairing device for the shell-and-tube graphite heat exchanger comprises two fixing rings 1, wherein a connecting plate 6 is arranged between the two fixing rings 1, a strip-shaped hole 7 is formed in the connecting plate 6, a first sliding plate 8 is arranged in the strip-shaped hole 7, and a drilling motor 9 is arranged on the first sliding plate 8.
In the preferred scheme, fixed ring 1 on be equipped with a plurality of screw holes 2 towards fixed ring 1 axis, wear to be equipped with positioning bolt 3 in the screw hole 2.
In a preferable scheme, a rubber pad 301 is arranged at one end of the positioning bolt 3 in the fixing ring 1.
In a preferred scheme, the outer wall of the fixing ring 1 is symmetrically provided with two lug plates 4, and the two guide rods 5 respectively penetrate through one lug plate 4 on the two fixing rings 1 to realize the connection between the two fixing rings 1.
In a preferable scheme, the side walls of the two sides of the strip-shaped hole 7 are provided with positioning chutes 701, the side wall of the first sliding plate 8 is provided with protrusions 16, and the protrusions 16 are arranged in the positioning chutes 701.
In a preferable scheme, a motor base 13 is arranged on the first sliding plate 8, the motor base 13 is arranged on the first sliding plate 8 in a penetrating mode and can move relative to the first sliding plate 8, the drilling motor 9 is arranged on the motor base 13, and a handle 14 is arranged on the side wall of the motor base 13.
Example 2:
on the basis of embodiment 1, one end of the strip-shaped hole 7 is provided with an extension strip hole 10, the extension strip hole 10 and the strip-shaped hole 7 form a T-shaped hole, the strip-shaped hole 7 is further provided with a second sliding plate 11, and the second sliding plate 11 is provided with a graphite rod positioning mechanism 12.
In a preferred embodiment, the positioning sliding groove 701 extends to a side of the elongated hole 10 close to the elongated hole 7, the protruding blocks 16 on the first sliding plate 8 and the second sliding plate 11 are both "L" shaped, and the protruding blocks 16 of the "L" shape are disposed on different sides of the first sliding plate 8 and the second sliding plate 11 and on an end wall of one end of the first sliding plate 8 and the end wall of the second sliding plate 11 far from the elongated hole 10.
In a preferred scheme, the graphite rod positioning mechanism 12 comprises a positioning tube 15 penetrating through the second sliding plate 11, and the positioning tube 15 is arranged towards the central axis of the fixed ring 1.
In a preferred embodiment, the positioning tube 15 is disposed on the positioning tube seat 17, and the positioning tube seat 17 is disposed on the second sliding plate 11 and can move relative to the second sliding plate 11.
The principle of the device is as follows:
sleeving two fixing rings 1 on a heat exchanger tube plate with cracks, expanding the two fixing rings 1 along a guide rod 5 to ensure that the cracks are positioned between the two fixing rings 1, then rotating a positioning bolt 3 to enable a rubber pad 301 at the end part of the positioning bolt 3 to be in contact with the outer wall of the heat exchanger tube plate and tightly prop and fix the heat exchanger tube plate, then installing a connecting plate 6 (the connecting plate 6 is installed between the two fixing rings 1 by adopting a bolt), then manually operating a first sliding plate 8 to enable a drill bit part of a drilling motor 9 on the first sliding plate 8 to be aligned with the crack position, then pushing a motor base 13 in the direction of the heat exchanger tube plate to carry out drilling operation, after completing multiple drilling operation along the crack position, moving the first sliding plate 8 into an extension strip hole 10, moving a second sliding plate 11 into a strip-shaped hole 7, pressing down a positioning tube base 17 to enable a positioning tube 15 to be inserted into the drilled hole, then the graphite rod is inserted along the positioning tube seat 17 after the adhesive is filled, the operations of filling the adhesive in a plurality of holes and inserting the graphite rod are gradually completed, and finally the operation of repairing cracks of the whole heat exchanger tube plate is completed.
Claims (10)
1. The utility model provides a tube sheet crackle prosthetic devices of shell and tube graphite heat exchanger which characterized in that: including two solid fixed ring (1), two solid fixed ring (1) between be equipped with even board (6), be equipped with bar hole (7) on even board (6), be equipped with first sliding plate (8) in bar hole (7), be equipped with drilling motor (9) on first sliding plate (8).
2. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 1, which is characterized in that: the fixing ring (1) is provided with a plurality of threaded holes (2) facing the central axis of the fixing ring (1), and the threaded holes (2) are penetrated with positioning bolts (3).
3. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger as claimed in claim 2, wherein: one end of the positioning bolt (3) in the fixing ring (1) is provided with a rubber pad (301).
4. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 1, which is characterized in that: the outer wall of the fixing ring (1) is symmetrically provided with two ear plates (4), and the two guide rods (5) respectively penetrate through one of the ear plates (4) on the two fixing rings (1) to realize connection between the two fixing rings (1).
5. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 1, which is characterized in that: the side walls of two sides of the strip-shaped hole (7) are provided with positioning chutes (701), the side wall of the first sliding plate (8) is provided with convex blocks (16), and the convex blocks (16) are arranged in the positioning chutes (701).
6. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 5, which is characterized in that: one end of the strip-shaped hole (7) is provided with an extension strip hole (10), the extension strip hole (10) and the strip-shaped hole (7) form a T-shaped hole, a second sliding plate (11) is further arranged in the strip-shaped hole (7), and a graphite rod positioning mechanism (12) is arranged on the second sliding plate (11).
7. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 6, which is characterized in that: the positioning sliding groove (701) extends to one side of the extending strip hole (10) close to the strip hole (7), the protruding blocks (16) on the first sliding plate (8) and the second sliding plate (11) are L-shaped, and the L-shaped protruding blocks (16) are arranged on the different sides of the first sliding plate (8) and the second sliding plate (11) and on the end wall of one end of the first sliding plate (8) and one end of the second sliding plate (11) far away from the extending strip hole (10).
8. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 1, which is characterized in that: the drilling machine is characterized in that a motor base (13) is arranged on the first sliding plate (8), the motor base (13) is arranged on the first sliding plate (8) in a penetrating mode and can move relative to the first sliding plate (8), the drilling motor (9) is arranged on the motor base (13), and a handle (14) is arranged on the side wall of the motor base (13).
9. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 6, which is characterized in that: the graphite rod positioning mechanism (12) comprises a positioning tube (15) which is arranged on the second sliding plate (11) in a penetrating mode, and the positioning tube (15) is arranged towards the middle shaft of the fixing ring (1).
10. The tube plate crack repairing device for the shell-and-tube graphite heat exchanger of claim 9, which is characterized in that: the positioning pipe (15) is arranged on the positioning pipe seat (17), and the positioning pipe seat (17) penetrates through the second sliding plate (11) and can move relative to the second sliding plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374856.0U CN214644904U (en) | 2021-02-18 | 2021-02-18 | Tube plate crack repairing device for shell-and-tube graphite heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374856.0U CN214644904U (en) | 2021-02-18 | 2021-02-18 | Tube plate crack repairing device for shell-and-tube graphite heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214644904U true CN214644904U (en) | 2021-11-09 |
Family
ID=78447948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120374856.0U Active CN214644904U (en) | 2021-02-18 | 2021-02-18 | Tube plate crack repairing device for shell-and-tube graphite heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214644904U (en) |
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2021
- 2021-02-18 CN CN202120374856.0U patent/CN214644904U/en active Active
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