CN215239019U - Hairpin type baffle rod heat exchanger pipe penetrating tool - Google Patents
Hairpin type baffle rod heat exchanger pipe penetrating tool Download PDFInfo
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- CN215239019U CN215239019U CN202120189898.7U CN202120189898U CN215239019U CN 215239019 U CN215239019 U CN 215239019U CN 202120189898 U CN202120189898 U CN 202120189898U CN 215239019 U CN215239019 U CN 215239019U
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- heat exchanger
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- guide rod
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Abstract
A hairpin type baffle rod heat exchanger tube penetrating tool comprises a guide rod, wherein one end of the guide rod sequentially penetrates through baffle rings in a tube bundle and then extends out of the end face of a tube plate, and the other end of the guide rod extends out of a tail baffle ring and then is connected with a connector; the connector is connected with the heat exchange tube. The connector is hollow wedge fluting connector, and the main part is the cone, and the main aspects of this cone have the groove that link up, and the main aspects that have the groove that links up are pressed into the heat transfer pipe entrance and are formed the wedge and expand tightly and be connected with the heat exchanger, and the tip of this cone is equipped with the external screw thread, and this external screw thread passes through the threaded connection of nut and guide bar afterbody and links guide bar and heat exchange tube as an organic whole. The utility model provides a large-scale, overlength hairpin formula baffling rod heat exchanger because baffling ring quantity multiaxis orientation degree of difficulty is big, each group baffling ring rod clearance is wayward, blind wear the problem of the poling difficulty that the unable artificial intervention of heat exchange tube etc. leads to.
Description
Technical Field
The utility model relates to a tubular heat exchanger assembly device specifically indicates a hairpin formula baffling rod heat exchanger poling frock.
Background
The shell-and-tube heat exchanger has a mature structure and wide application parameter range, and is widely applied to the industrial industries such as chemical industry, oil refining, energy and the like. In recent years, with the adjustment of energy structures, clean energy such as hydrogen energy and solar energy has been rapidly developed. Taking the solar photo-thermal power generation field as an example, the method is different from a conventional petrochemical device, has high correlation degree of operation characteristics and solar conditions, generally presents high-parameter and unsteady characteristics, and also puts higher requirements on a heat exchanger. At present, the heat exchanger that corresponds above-mentioned service condition adopts hairpin formula baffling rod structure more, the heat exchange tube is the U-shaped structure, every straight section forms a set of tube bank, for satisfying unsteady state operation heat transfer and reducing equipment investment condition, the heat exchange tube is mostly minor diameter overlength pipe, the barrel should adopt seamless structure or welding seam to polish and handle and reduce the fatigue damage risk, make the heat exchanger need be connected tube sheet and outer barrel at first before the poling, ensure that welding seam quality inspection is qualified after, can install the heat exchange tube, it is big to face baffling ring quantity multiaxial location degree of difficulty in the heat exchange tube blind pass in-process, each set of baffling ring rod rigidity is poor, it is difficult to control to wear the problem of the difficult poling difficulty that leads to such as the unable manual intervention of heat exchange tube blind, the installation accuracy is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hairpin formula baffling pole heat exchanger poling frock through reasonable setting up poling appurtenance and adjusting device, realizes the installation of wearing by the blind of overlength U-shaped pipe in multiunit baffling ring.
The utility model adopts the technical proposal that:
a hairpin type baffle rod heat exchanger tube penetrating tool comprises a guide rod, wherein one end of the guide rod sequentially penetrates through baffle rings in a tube bundle and then extends out of the end face of a tube plate, and the other end of the guide rod extends out of a tail baffle ring and then is connected with a connector; the connector is connected with the heat exchange tube.
The connector is hollow wedge fluting connector, and the main part is the cone, and the main aspects of this cone have the groove that link up, and the main aspects that have the groove that links up are pressed into the heat transfer pipe entrance and are formed the wedge and expand tightly and be connected with the heat exchanger, and the tip of this cone is equipped with the external screw thread, and this external screw thread passes through the threaded connection of nut and guide bar afterbody and links guide bar and heat exchange tube as an organic whole.
The connector is of a welded structure, and the end part of a guide rod extending out of the tail deflection ring is welded with the heat exchange tube.
The device comprises an arc positioner, a controller and a controller, wherein the arc positioner is used for supporting and adjusting the height and the levelness of the tube bundle; the arc positioner consists of an electric lifting turntable and an arc base plate; the supporting point of the electric lifting turntable is of a roller structure, and the arc-shaped base plate is supported by the roller structure.
The utility model discloses a rationally set up poling appurtenance and adjusting device, realize the installation is worn to the blind of overlength U-shaped pipe in multiunit baffling ring. The problem of large-scale, overlength hairpin formula baffling rod heat exchanger because baffling ring quantity is many, the axial positioning degree of difficulty is big, each group baffling ring rod clearance is difficult to control, blind wear heat exchange tube can't artificial intervention etc. lead to the pipe threading difficulty is solved.
Drawings
FIG. 1 is a schematic view of the structure of the working state of the present invention;
fig. 2 is an enlarged schematic view of part ii of fig. 1, which is one embodiment of the connector of the present invention;
fig. 3 is an enlarged view of portion i of fig. 1, showing another embodiment of the connector of the present invention;
fig. 4 is a view from a-a in fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the pipe penetrating tool for the hairpin type baffle rod heat exchanger comprises a guide rod 1, wherein one end of the guide rod 1 sequentially penetrates through baffle rings 2 in a pipe bundle and then extends out of the end face of a pipe plate 3, and the other end of the guide rod 1 extends out of a tail baffle ring and then is connected with a connector 4; the connector 4 is connected to the heat exchange pipe.
Referring to fig. 2, the connector 4 is a hollow wedge-shaped slotted connector, the main body is a cone, the large end of the cone is provided with a through groove, the large end with the through groove is pressed into the inlet of the heat exchange pipe to form wedge-shaped expansion connection with the heat exchanger, the small end of the cone is provided with an external thread, and the external thread connects the guide rod and the heat exchange pipe 5 into a whole through the threaded connection of the nut and the tail part of the guide rod 1.
Referring to fig. 3, the connector 4 is a welded structure, and the end of the guide rod 1 extending out of the tail baffle ring is directly welded and connected with the heat exchange tube 5.
Referring to fig. 4, an arc positioner 6 is included for supporting and adjusting the height and levelness of the tube bundle; the arc positioner 6 consists of an electric lifting turntable and an arc base plate; the supporting point of the electric lifting turntable is a roller structure, the arc-shaped base plate is supported by the roller structure, and the tube bundle and the outer cylinder 7 are placed on the arc-shaped base plate. The height and the levelness of the tube bundle and the outer cylinder 7 are adjusted by adjusting the height of the electric lifting rotary table; the parallelism of the tube bundle and the outer cylinder 7 is adjusted by rotating the electric lifting rotary table, so that the tube penetrating process is facilitated.
The utility model discloses a use method contains following step:
the first step, the tube plate and the baffle ring are erected on the support profile steel, the coaxiality, the rod member direction of the baffle ring, and the verticality of the tube plate, the baffle ring and the support profile steel are adjusted, and the tube plate and the baffle ring are welded into a whole through a connecting rod member.
And secondly, the pipe holes are sequentially penetrated with guide rods row by row, the guide rods pass through each baffle ring under manual guidance, the guide rods extend out of the end surfaces of the pipe plates 3 by about 50mm, the other sides of the guide rods extend out of the tail baffle rings and are adjusted to be consistent in all extending lengths, and connectors are installed at the end parts of the guide rods.
And thirdly, after the two outer barrels are subjected to nondestructive testing, sleeving the two tube bundles and fixing the tube bundles with the tube plate in a spot welding manner, horizontally placing the two tube bundles in an arc positioner, adjusting the tube bundles to an installation reference position by rotating an arc supporting plate of the positioner, adjusting the parallelism and levelness of the axes of the two tube bundles and the parallelism of the end faces of the tube plate by an adjusting plate of a base of the positioner, and welding the barrels and the tube plate after the two tube bundles are qualified.
And fourthly, connecting and locking the heat exchange tubes and the end parts of the guide rods row by row from inside to outside, drawing the guide rods from the tube plate side, withdrawing the guide rods from the baffle ring, simultaneously drawing the heat exchange tubes into the tube bundle, wherein the clearance of the baffle rods is limited by the peripheral guide rods, and the clearance between the guide rods is kept unchanged, so that the jamming risk caused by clearance change in the process of loading the heat exchange tubes is avoided, and the connector is detached after the tail ends of the guide rods are withdrawn from the tube plate, so that tube penetration is completed.
The utility model discloses well problem of noticing: in the pipe penetrating process, the diameter of the guide rod is not smaller than that of the heat exchange pipe, the guide rod is necked with the connecting end of the heat exchange pipe, and an end connector is arranged. The end connector can be connected with the heat exchange tube by adopting a wedge-shaped slotting or welding mode. The arc-shaped supporting plate contacted with the tube bundle can be adjusted according to the outer diameter of the tube bundle. The arc positioner supports at least two places of each tube bundle, and level and direction of height size set up the benchmark scale, and every supports and can independently adjust according to the tube bundle condition.
Claims (4)
1. A hairpin type baffling rod heat exchanger tube penetrating tool is characterized by comprising a guide rod (1), wherein one end of the guide rod (1) sequentially penetrates through baffling rings (2) in a tube bundle and then extends out of the end face of a tube plate (3), and the other end of the guide rod (1) extends out of a tail baffling ring (2) and then is connected with a connector (4); the connector (4) is connected with the heat exchange tube (5).
2. The hairpin baffle rod heat exchanger pipe penetrating tool according to claim 1, wherein the connector (4) is a hollow wedge-shaped slotted connector, the main body is a cone, the large end of the cone is provided with a through groove, the large end provided with the through groove is pressed into the inlet of the heat exchange pipe to form wedge-shaped expansion connection with the heat exchanger, the small end of the cone is provided with an external thread, and the external thread connects the guide rod and the heat exchange pipe into a whole through the threaded connection of a nut and the tail part of the guide rod (1).
3. The hairpin baffle rod heat exchanger pipe penetrating tool according to claim 1, wherein the connector (4) is of a welded structure, and the end part of the guide rod (1) extending out of the tail baffle ring is welded and connected with the heat exchange pipe.
4. The pipe penetrating tool for the hairpin baffle rod heat exchanger according to claim 1,
comprises an arc positioner (6) for supporting and adjusting the height and levelness of the tube bundle; the arc positioner (6) consists of an electric lifting turntable and an arc base plate; the supporting point of the electric lifting turntable is of a roller structure, and the arc-shaped base plate is supported by the roller structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189898.7U CN215239019U (en) | 2021-01-25 | 2021-01-25 | Hairpin type baffle rod heat exchanger pipe penetrating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189898.7U CN215239019U (en) | 2021-01-25 | 2021-01-25 | Hairpin type baffle rod heat exchanger pipe penetrating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215239019U true CN215239019U (en) | 2021-12-21 |
Family
ID=79499349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120189898.7U Active CN215239019U (en) | 2021-01-25 | 2021-01-25 | Hairpin type baffle rod heat exchanger pipe penetrating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215239019U (en) |
-
2021
- 2021-01-25 CN CN202120189898.7U patent/CN215239019U/en active Active
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