CN220113169U - Nested assembly fixture for large tube bundle heat exchanger - Google Patents
Nested assembly fixture for large tube bundle heat exchanger Download PDFInfo
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- CN220113169U CN220113169U CN202320907977.6U CN202320907977U CN220113169U CN 220113169 U CN220113169 U CN 220113169U CN 202320907977 U CN202320907977 U CN 202320907977U CN 220113169 U CN220113169 U CN 220113169U
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000007790 scraping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a nest assembly fixture of large-scale tube bank heat exchanger, tube bank heat exchanger include interior tube bank and shell pass, interior tube bank establish in tube bank push away seat top, shell pass establish on the shell pass fixing base, interior tube bank push away seat and the horizontal central line of shell pass fixing base parallel and level each other, interior tube bank push away the seat including fixed slot frame, lifting base, horizontal pusher, direction curb plate, guided way and pull tab, shell pass fixing base include mounting plate, lifting post and shell Cheng Zhi, through using the assembly seat of adjustable upper and lower height, the centre of a circle between the calibration prevents to appear colliding with the scraping, guarantees the stability when tube bank heat exchanger inlays the suit to the promotion of horizontal pusher can be high-efficient steady push away interior tube bank in the shell pass, reduces manual operation, improves the security of whole assembly.
Description
Technical Field
The utility model belongs to the technical field of nested assembly seats, and in particular relates to a nested assembly fixture for a large-scale tube bundle heat exchanger.
Background
A tube bundle heat exchanger is a typical heat exchange device that exchanges heat between two fluids of different temperatures. With such an apparatus, one fluid can be cooled and the other heated to meet the respective needs. The equipment is widely applied to industrial departments such as chemical industry, petroleum, pharmacy, energy and the like, and is one of important equipment indispensable in chemical production.
The tube bundle heat exchanger mainly comprises two parts, namely a tube bundle and a shell pass, wherein the tube bundle is the simplest heat exchanger with single tube pass in the shell-and-tube heat exchanger, if a heat transfer surface needs to be increased, a method for increasing the number of tubes is generally adopted, and the tube bundle can be divided into the tube bundles after the number of the tubes is increased so as to prevent the reduction of flow velocity and heat transfer coefficient in the tubes caused by the increase of the number of the tubes, and the tube bundle is generally provided with even tube passes and the number of the tube passes is not too large from the viewpoints of manufacture, installation and operation.
The shell side, which mainly includes the E-type, is the most common one, and is single-pass; the F-shaped heat exchanger with two shell passes is characterized in that a longitudinal baffle plate parallel to the axial direction of a pipe is arranged in a shell; the G-type heat exchanger with two shell passes is also provided, and the longitudinal baffle plate is moved away from one section of the tube plate so that shell pass fluid can be split; the H type is similar to the G type, but the inlet and outlet connecting pipes and the longitudinal partition plate are doubled.
However, the volume of the tube bundle and the shell side of the large tube bundle heat exchanger is very huge, and in the process of nesting the tube bundle and the shell side, the tube bundle heat exchanger can be assembled in a manual pulling mode because the centers of the tube bundle and the shell side are not aligned or the force for assembling thrust is uneven, so that the inner surface of the shell side and the outer surface of the tube bundle can not be assembled smoothly or damaged in the assembling process.
Disclosure of Invention
In order to solve the problem, this paper proposes a nested assembly frock of large-scale tube bank heat exchanger, the tube bank heat exchanger include interior tube bank and shell pass, interior tube bank establish and push away seat top including tube bank, the shell pass establish on the shell pass fixing base, interior tube bank push away seat and the mutual parallel and level of the horizontal central line of shell pass fixing base, interior tube bank push away the seat including fixed slot frame, lifting base, horizontal push away machine, guide plate, guided way and pull tab, shell pass fixing base include fixed bottom plate, lifting post and shell Cheng Zhi, the fixed slot frame inboard be equipped with the lifting base, the top surface both sides of fixed slot frame all be equipped with the pull tab, the top surface of lifting base be equipped with horizontal push away machine, guide plate and guided way, the inboard of guide plate be equipped with the guided way, guided way and be equipped with the interior tube bank support between the guide plate, the both sides outer end of shell pass all be equipped with the pull tab, the pull tab of fixed slot connect with the shell, the bottom surface of the shell side of side plate and the shell side plate be equipped with the bottom plate that the lifting post is equipped with the bottom plate is equipped with to the bottom surface of the wire rope, the bottom plate is equipped with the bottom plate that can be equipped with the bottom plate down in the lifting post through the lifting seat, the bottom surface of the side plate is equipped with the bottom plate of the side plate is equipped with the safety profile of the safety profile, the safety profile of the safety device can be adjusted to the safety and the safety device, and the safety device can be equipped with the bottom down.
The fixed slot frame shape is rectangle roof-channel type cell frame, is equipped with the lifting base in the inslot of fixed slot frame, and the one end outside of fixed slot frame is equipped with PMKD, and the other end top surface of fixed slot frame is equipped with horizontal pushing machine, horizontal pushing machine link to each other with the top surface of lifting base, horizontal pushing machine's a side and lifting base's a terminal surface parallel and level, horizontal pushing machine's the other side transversely is equipped with direction curb plate and guided way, goes up and down horizontal pushing machine and guiding mechanism together through the lifting base to guarantee that whole assembly position is unchangeable, guarantee that the pushing machine can accomplish pushing the unanimously stable promotion of some, guiding mechanism also can accomplish general adaptation with the interior pipe bundle support.
The shape of direction curb plate is rectangle rectangular slab, and the direction curb plate transversely vertically establishes the both sides top surface at the lifting base, is equipped with two parallel guide rails between the direction curb plate of both sides, the I-shaped steel of guide rail shape arc top surface, the guide rail interval communicating inboard of establishing between the direction curb plate, assist the pushing machine through direction curb plate and guide rail and promote, guarantee the steady when removing, prevent to produce the skew about to improve the accuracy of whole assembly.
The shape of interior tube bank support is H type section bar, and the bottom surface of interior tube bank support is horizontal parallel and level, and wherein the top surface of interior tube bank support, outside height are higher than inboard height, and interior tube bank support symmetry establishes respectively between the direction curb plate and the guided way of lifting base both sides, and the kerve medial surface of interior tube bank support links to each other with the guided way lateral surface, and the kerve lateral surface of interior tube bank support links to each other with the medial surface of direction curb plate, the guided way outside with adjacent wire curb plate between the interval the same with the kerve width of interior tube bank support, can also make its fixed skew that prevents in the bottom recess through the interior tube bank support of H type when playing the guide effect, and the radian in interior tube bank outside of just can be adapted to in the setting of top height, conveniently places.
The shape of PMKD is rectangular bottom plate, and the horizontal equidistance in PMKD's top is equipped with a plurality of lifting posts, lifting post horizontal be equipped with two rows, all be equipped with shell Cheng Zhi on the lifting post of every row, shell Cheng Zhi shape is right angled triangle support, the inward symmetry of hypotenuse of shell Cheng Zhi sets up, the hypotenuse top of shell Cheng Zhi is equipped with the shell side, the one end of shell Cheng Zhi is towards inside tube bank pushing seat, the other end of shell side is equipped with limit baffle, place the shell side through the shell Cheng Zhi of slant is convenient, can also adjust the height of each side alone through the lifting post of bottom simultaneously to accomplish fine centre of a circle adjustment, and the pull tab then can make the inner tube bundle pushing seat connect as an organic wholely with the shell side, prevents the displacement that the effort produced.
The beneficial effects are that:
through the assembly seat that uses adjustable upper and lower height, the centre of a circle between the calibration prevents to appear colliding with the scraping, guarantees the stability when tube bank heat exchanger inlays the suit to the promotion of horizontal pushing machine can be high-efficient steady in pushing the shell side with interior tube bundle, reduces manual operation, improves the security of whole assembly.
The transverse pushing machine and the guiding mechanism are lifted together through the lifting base, so that the integral assembly position is unchanged, the pushing machine can push the pushing points consistently and stably, and the guiding mechanism can be matched with the inner tube bundle support in a universal mode.
The pushing machine is assisted by the guide side plates and the guide rails, so that stability in moving is guaranteed, left-right offset is prevented, and the accuracy of integral assembly is improved.
The bottom groove of the inner tube bundle support through the H shape not only can play a guiding role, but also can fix the inner tube bundle support to prevent deflection, and the arrangement of the upper part and the lower part of the top can adapt to the radian of the outer side of the inner tube bundle, so that the inner tube bundle support is convenient to place.
The shell Cheng Zhi with the slant is convenient places the shell journey, can also adjust the height of each side alone through the bottom lifting post simultaneously to accomplish fine centre of a circle adjustment, and draw the lug and then can make interior pipe bundle push away seat and shell journey connect as an organic wholely, prevent the displacement that effort produced.
Drawings
FIG. 1 is a right side schematic view of a nested assembly tooling for a large tube bundle heat exchanger;
FIG. 2 is a left side schematic view of a nested assembly tooling for a large tube bundle heat exchanger;
FIG. 3 is a side view of an inner tube push seat of a nested assembly tooling for a large tube bundle heat exchanger;
in the figure; 1. the device comprises a fixed groove frame, 2, a lifting base, 3, a transverse pushing machine, 4, a guide side plate, 5, an inner tube bundle support, 6, a pull-connection lug, 7, a fixed bottom plate, 8, a lifting column, 9, a shell Cheng Zhi, 10, an inner tube bundle, 11, a shell path, 12 and a guide rail.
Detailed Description
In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
The device comprises a fixed groove frame 1, a lifting base 2, a transverse pushing machine 3, a guide side plate 4, an inner tube bundle support 5, a pull-connection lug 6, an outer shell process fixing seat 7, a lifting column 8, an outer shell Cheng Zhi 9, an inner tube bundle 10, an outer shell process 11 and a guide rail 12.
As shown in fig. 1, 2 and 3;
the nested assembly tooling of the large tube bundle heat exchanger comprises an inner tube bundle 10 and an outer shell 11, wherein the inner tube bundle 10 is arranged above an inner tube bundle pushing seat, the outer shell 11 is arranged on an outer shell fixing seat 7, the inner tube bundle pushing seat is mutually parallel to the transverse central line of the outer shell fixing seat 7, the inner tube bundle pushing seat comprises a fixed groove frame 1, a lifting base 2, a transverse pushing machine 3, a guide side plate 4, a guide rail 12 and a pull-connection lug 6, the outer shell fixing seat 7 comprises a fixed bottom plate, a lifting column 8 and an outer shell Cheng Zhi, the inner side of the fixed groove frame 1 is provided with the lifting base 2, pull-connection lugs 6 are respectively arranged on two sides of the top surface of the fixed groove frame 1, the top surface of the lifting base 2 is provided with the transverse pushing machine 3, the guide side plate 4 and the guide rail 12, the inner side of the guide side plate 4 is provided with the guide rail 12, an inner tube bundle support 5 is arranged between the guide rail 12 and the guide side plate 4, an inner tube bundle 10 is arranged above the inner tube bundle support 5, pull-connecting lugs 6 are arranged at the outer ends of two sides of the outer shell pass 11, the pull-connecting lugs 6 of the fixed groove frame 1 and the pull-connecting lugs 6 of the outer shell pass 11 are connected through steel ropes, an outer shell Cheng Zhi is arranged at the bottom of the outer shell pass 11, a plurality of lifting columns 8 are arranged at the bottom of the outer shell Cheng Zhi, the bottom surface of the lifting columns 8 is connected with the top surface of the fixed bottom plate, the bottom surface of the fixed bottom plate is flush with the bottom surface of the fixed groove frame 1, the fixed groove frame 1 is in a rectangular top groove type groove frame, a lifting base 2 is arranged in a groove of the fixed groove frame 1, a fixed bottom plate is arranged at the outer side of one end of the fixed groove frame 1, a transverse pushing machine 3 is arranged at the top surface of the other end of the fixed groove frame 1, the transverse pushing machine 3 is connected with the top surface of the lifting base 2, one side surface of the transverse pushing machine 3 is flush with one end surface of the lifting base 2, the other side surface of the transverse pushing machine 3 is transversely provided with a guide side plate 4 and a guide rail 12, the guide side plate 4 is in a rectangular long slat shape, the guide side plates 4 are transversely and vertically arranged on the top surfaces of two sides of the lifting base 2, two parallel guide rails 12 are arranged between the guide side plates 4 on the two sides, I-shaped steel of the arc-shaped top surface of the guide rail shape is arranged on the inner side of the guide side plates 4 in a spacing manner, the shape of the inner tube bundle support 5 is H-shaped section bar, the bottom surface of the inner tube bundle support 5 is transversely flush, the outer side of the top surface of the inner tube bundle support 5 is high and inner side bottom, the inner tube bundle support 5 is symmetrically arranged between the guide side plates 4 and the guide rails 12 on the two sides of the lifting base 2 respectively, the bottom groove medial surface of interior pipe bundle support 5 links to each other with guide rail 12 lateral surface, and the bottom groove lateral surface of interior pipe bundle support 5 links to each other with the medial surface of guide curb plate 4, guide rail 12 outside and adjacent wire curb plate between the interval with interior pipe bundle support 5's bottom groove width the same, fixed baseplate's shape is rectangular bottom plate, fixed baseplate's top transversely equidistant is equipped with a plurality of lifting posts 8, lifting posts 8 transversely be equipped with two rows, all be equipped with shell Cheng Zhi 9 on the lifting post 8 of every row, shell Cheng Zhi shape is right triangle support, the inside symmetry setting of hypotenuse of shell Cheng Zhi 9, the hypotenuse top of shell Cheng Zhi is equipped with shell pass 11, the one end of shell Cheng Zhi 9 is towards inwards tube bank pushing away the seat, the other end of shell pass 11 is equipped with limit baffle.
Implementation examples;
before use, the shell side 11 is hoisted on the shell Cheng Zhi by using an aerial crane, then the inner tube bundle 10 is arranged on the inner tube bundle support 5, and the inner tube bundle 10 and the inner tube bundle support 5 are hoisted on the inner tube bundle pushing seat together by using the aerial crane.
The inner tube bundle support 5 is arranged between the guide side plate 4 and the guide rail 12, after placement, the pull-connecting lugs 6 on the inner tube bundle pushing seat and the pull-connecting lugs 6 on the outer shell side 11 are connected through steel cables, and the height is adjusted through the lifting base 2 and the lifting column 8 according to the circle center position between the inner tube bundle 10 and the outer shell side 11, so that the circle centers of the inner tube bundle 10 and the outer shell side 11 are aligned.
Then the inner tube bundle 10 is slowly pushed into the shell pass 11 by using the transverse pushing machine 3, the shell pass 11 can slide backwards due to pushing force in the pushing process, steel wires are used for fixing the inner tube bundle 10, and the shell pass 11 is prevented from being deviated during assembly.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a nested assembly fixture of large-scale tube bank heat exchanger, tube bank heat exchanger includes interior tube bank and shell journey, its characterized in that, interior tube bank establish in tube bank push away seat top, the shell journey establish on the shell journey fixing base, interior tube bank push away seat and the horizontal central line of shell journey fixing base parallel and level each other, interior tube bank push away seat include fixed slot frame, lifting base, horizontal push away machine, guide side plate, guided way and pull tab, shell journey fixing base include PMKD, lifting post and shell Cheng Zhi, the fixed slot frame inboard be equipped with the lifting base, the top surface both sides of fixed slot frame all are equipped with the pull tab, the top surface of lifting base be equipped with horizontal push away machine, guide side plate and guided way, the inboard of guide side plate be equipped with the guided way, guided way and be equipped with interior tube bank support between the guided way, interior tube bank support top be equipped with the both sides outer end of shell journey all be equipped with the pull tab, the pull tab of fixed slot frame and shell be connected through the bottom surface of shell bottom plate Cheng Zhi, the bottom surface of bottom plate Cheng Zhi of shell of fixed slot frame and shell are equipped with the bottom surface of a plurality of parallel and level post.
2. The nested assembly fixture for the large tube bundle heat exchanger according to claim 1, wherein the fixed groove frame is in a rectangular top groove type groove frame, a lifting base is arranged in a groove of the fixed groove frame, a fixed bottom plate is arranged on the outer side of one end of the fixed groove frame, a transverse pushing machine is arranged on the top surface of the other end of the fixed groove frame, the transverse pushing machine is connected with the top surface of the lifting base, one side surface of the transverse pushing machine is flush with one end surface of the lifting base, and a guide side plate and a guide rail are transversely arranged on the other side surface of the transverse pushing machine.
3. The nested assembly fixture for the large tube bundle heat exchanger according to claim 1, wherein the guide side plates are rectangular long plates, the guide side plates are transversely and vertically arranged on the top surfaces of two sides of the lifting base, two parallel guide rails are arranged between the guide side plates on the two sides, I-shaped steel with arc-shaped top surfaces is arranged on the guide rails, and the guide rails are arranged on the inner sides between the guide side plates in a spacing mode.
4. The nested assembly fixture for the large tube bundle heat exchanger according to claim 3, wherein the inner tube bundle support is in an H-shaped section, the bottom surface of the inner tube bundle support is transversely flush, the outer side of the top surface of the inner tube bundle support is higher than the inner side, the inner tube bundle support is symmetrically arranged between the guide side plates and the guide rails on two sides of the lifting base respectively, the inner side surface of the bottom groove of the inner tube bundle support is connected with the outer side surface of the guide rail, the outer side surface of the bottom groove of the inner tube bundle support is connected with the inner side surface of the guide side plate, and the distance between the outer side of the guide rail and the adjacent wire side plate is the same as the width of the bottom groove of the inner tube bundle support.
5. The nested assembly fixture for the large tube bundle heat exchanger according to claim 1, wherein the fixed bottom plate is rectangular in shape, a plurality of lifting columns are transversely equidistantly arranged above the fixed bottom plate, two rows of lifting columns are transversely arranged, and a shell Cheng Zhi is arranged on each row of lifting columns.
6. The assembly tooling for nesting a large tube bundle heat exchanger of claim 1, wherein the housing Cheng Zhi is a right triangle support, the oblique sides of the housing Cheng Zhi are symmetrically arranged inwards, a housing pass is arranged above the oblique sides of the housing Cheng Zhi, one end of the housing Cheng Zhi faces the pushing seat of the inner tube bundle, and the other end of the housing pass is provided with a limit baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907977.6U CN220113169U (en) | 2023-04-21 | 2023-04-21 | Nested assembly fixture for large tube bundle heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907977.6U CN220113169U (en) | 2023-04-21 | 2023-04-21 | Nested assembly fixture for large tube bundle heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220113169U true CN220113169U (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320907977.6U Active CN220113169U (en) | 2023-04-21 | 2023-04-21 | Nested assembly fixture for large tube bundle heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220113169U (en) |
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- 2023-04-21 CN CN202320907977.6U patent/CN220113169U/en active Active
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