CN109029052A - The tube bundle support structure of vertical wound tube heat exchanger - Google Patents
The tube bundle support structure of vertical wound tube heat exchanger Download PDFInfo
- Publication number
- CN109029052A CN109029052A CN201810993688.6A CN201810993688A CN109029052A CN 109029052 A CN109029052 A CN 109029052A CN 201810993688 A CN201810993688 A CN 201810993688A CN 109029052 A CN109029052 A CN 109029052A
- Authority
- CN
- China
- Prior art keywords
- tube
- metal plate
- heat exchanger
- support structure
- bundle support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0132—Auxiliary supports for elements for tubes or tube-assemblies formed by slats, tie-rods, articulated or expandable rods
Abstract
The present invention relates to a kind of tube bundle support structures of vertical wound tube heat exchanger, including several blocks of helical metal plates, filler strip, the support function of tube bank is realized in conjunction with central tube and filler strip, central tube both ends outer surface is respectively equipped with several block-shaped, the identical helical metal plate of size, and it is uniformly distributed along central tube periphery, the axis of every piece of metal plate and central tube is spirally diagonally disposed at an angle, the angle is identical as the winding screw angle around pipe, the thickness of metal plate is equal to or less than gap of adjacent two same layers between pipe, the width of metal plate is equal to the height of tube bank.The tube bundle support structure of vertical wound tube heat exchanger of the invention, be the conventional structure based on wound tube heat exchanger and every layer of winding screw angle it is identical under the premise of, effective support can be formed around the tube bank that pipe is constituted to multilayer, do not stop the route for restraining fairlead again, tube bank fairlead can be allowed easily to draw, be connected with tube sheet.
Description
Technical field
The present invention relates to a kind of wound tube heat exchanger more particularly to a kind of tube bundle support knots of vertical wound tube heat exchanger
Structure.
Background technique
Wound tube heat exchanger is also known as wrap-round tubular heat exchanger, and heat exchanger tube surrounds central tube helically coil-like winding, can
With multi-lay winding, each layer can more root canal windings in parallel；The intracorporal heat exchanger tube length of shell can be very long, the number of heat exchanger tube
Amount can be very much, thus are suitable for the heat exchange occasion that the fluid inlet and outlet temperature difference is big, flow is big.Fig. 1 show it is a kind of it is conventional around
The structure chart of pipe heat exchanger, Fig. 2 are the partial enlarged views of Fig. 1；It is helically wound around pipe 10 in the outside of central tube 12,
It generally wants multi-lay winding, constitute tube bank, separated with several filler strips 9, fixed pipe between layers with several pipe collars 11
On filler strip 9, the contact site of filler strip 9 and pipe collar 11 is welded to connect, and the filler strip 9 and central tube 12 of innermost layer weld, tube bank
Outer layer is wrapped up with collet 7, and there are certain intervals between collet 7 and shell 8.By between filler strip 9 and pipe collar 11, central tube 12
It is welded to connect, the gravity entirely restrained is on central tube.For horizontal wound tube heat exchanger (the i.e. axis water of central tube
It is flat), this structure is more stable, and spirally-wound tube plays certain load-bearing effect, and the power that pad is born is little；But for vertical
Wound tube heat exchanger (i.e. shown in Fig. 1) is entirely restrained downward gravity and is born substantially by pad, and more leans on the weldering of central tube
Contact stress is bigger.Since filler strip is relatively thin (general 2~3mm), spot welding is mostly used to connect, therefore the endurance of pad is little.
It therefore, is the stress safety for ensuring to restrain, the support construction for increasing vertical wound tube heat exchanger tube bank is necessary, especially
For large-scale vertical wound tube heat exchanger.
Tube bank is connect by restraining fairlead 5 with tube sheet 3, tube bank may be stopped to draw if increasing tube bundle support structure
The route of pipe 5, therefore design and be of great significance convenient for the tube bundle support structure of tube bank fairlead arrangement.
Summary of the invention
It is for every layer around pipe the object of the present invention is to provide a kind of tube bundle support structure of vertical wound tube heat exchanger
A kind of tube bundle support structure designed by the identical vertical wound tube heat exchanger in winding screw angle can play support to tube bank and make
With, and convenient for tube bank fairlead arrangement.
The technical scheme is that a kind of tube bundle support structure of vertical wound tube heat exchanger, including several pieces of spirals
Shape metal plate, filler strip, central tube both ends outer surface are respectively equipped with several block-shaped, identical helical metal plates of size,
And it is uniformly distributed along central tube periphery, the axis of every block of helical metal plate and central tube is spirally diagonally disposed at an angle,
The angle is identical as the winding screw angle around pipe, and the thickness of helical metal plate is equal to or less than adjacent two same layers between pipe
Gap, the width of helical metal plate is equal to the height of tube bank.
Further, the beginning of any block helical metal plate length direction of one end on the central tube is in central tube table
The circumferential position size in face is equal to the circumferential position size of adjacent spirals metal plate length direction end, the helical metal plate
Circumferential position size of the length direction end on central tube surface is equal to the circumferential direction at adjacent spirals metal plate length direction beginning
Position dimension；
Further, the axis of every piece of helical metal plate beginning of one end on the central tube and end on central tube surface
It is identical to position dimension.
Further, the both ends of the filler strip are respectively welded at the helical metal plate of the top and bottom of tube bundle support structure
Surface, so that tube bundle support structure plays a supporting role to tube bank.
Further, multilayer is wound on the filler strip of the central tube around pipe, every layer of winding screw angle around pipe is identical, around pipe
Fairlead draw from the channel that two pieces of metal plates of adjacent spirals are constituted and be connected with tube sheet.
The beneficial effects of the present invention are:
The tube bundle support structure of vertical wound tube heat exchanger of the invention, be conventional structure based on wound tube heat exchanger,
And under the premise of every layer of winding screw angle is identical, effective support can be formed around the tube bank that pipe is constituted to multilayer, and do not stop to manage
The route of beam fairlead can allow tube bank fairlead easily to be drawn, be connected with tube sheet.
Detailed description of the invention
Fig. 1 is the structure chart of conventional wound tube heat exchanger；
Fig. 2 is the partial enlarged view in Fig. 1；
Fig. 3 is tube bundle support structural front view of the invention；
Fig. 4 is tube bundle support structural perspective of the invention；
Fig. 5 is tube bundle support structure top view of the invention；
Fig. 6 is the tube bundle support structure chart of the invention for arranging one layer around pipe；
Fig. 7 is the structure chart for increasing the wound tube heat exchanger of tube bundle support structure of the invention；
In figure: 1. tube sides adapter tube, 2. tube side ellipse heads, 3. tube sheets, 4. shell side ellipse heads, 5. tube bank fairleads, 6.
By-pass damper, 7. collets, 8. shells, 9. filler strips, 10. take over around pipe, 11. pipe collars, 12. central tubes, 13. shell sides, 14. supports,
15. helical metal plate, 16. metal plate length direction beginnings, 17. metal plate length direction ends.
Specific embodiment
Below by taking the tube bundle support structure that 8 blocks of helical metal plates (each 4 pieces of the both ends of central tube) are constituted as an example, by figure
3~Fig. 7 is illustrated；Fig. 3 is tube bundle support structural front view of the invention, and Fig. 4 is tube bundle support structural upright of the invention
Figure, Fig. 5 is tube bundle support structure top view of the invention, and Fig. 6 is the tube bundle support structure of the invention for arranging one layer around pipe
Figure；Despite the fact that always there is multilayer around pipe, Fig. 6 only depicts one layer around pipe in order to facilitate structure displaying；Fig. 7 then gives
The vertical wound tube heat exchanger overall diagram of tube bundle support structure of the invention is installed.
It is by taking 8 blocks of helical metal plates as an example the technical scheme is that a kind of tube bank of vertical wound tube heat exchanger
Support construction, including 8 blocks of helical metal plates 15 realize the support function of tube bank in conjunction with central tube 12 and filler strip 9, in central tube
4 blocks of helical metal plates 15 are respectively arranged in 12 both ends (top and bottom) outer surface, constitute tube bundle support structure, every piece of metal plate
Size it is identical, the axis of every piece of metal plate and central tube is spirally diagonally disposed at an angle, the angle with around pipe 10
Winding screw angle it is identical, the thickness of metal plate is equal to or slightly less than gap of adjacent two same layers between pipe, metal plate
Width is equal to the height (tube bank from central tube surface to the radial dimension between jackets inner wall) of tube bank, the length of metal plate according to
Depending on principle described in next step.
Further, for the tube bundle support structure of one end any for central tube, any one block of helical metal plate 15 is long
Spend the circumferential position that circumferential position size of the beginning 16 in direction on central tube surface is equal to adjacent metal sheets length direction end 17
Set size (the two axial position size is different), circumferential position size of the metal plate length direction end 17 on central tube surface
Equal to the circumferential position size (the two axial position size is different) at adjacent metal sheets length direction beginning 16；One showed
Kind effect is: for the support construction of one end any for central tube, the axis projection of this several pieces of metal plates shows circumferential direction
The effect that joins end to end (the i.e. axis projection weight at metal plate length direction beginning 16 and adjacent metal sheets length direction end 17
Close, although axial position dimension has differences), begin as shown in figure 5, the axis projection of 4 pieces of metal plates shows 4 pieces of metal plates
The effect that joins end to end at end and end projection.
Further, for the tube bundle support structure of one end any for central tube, 4 pieces of metal plate length direction beginnings 16 exist
The axial position size on central tube surface is identical (circumferential position size is different), and 4 pieces of metal plate length direction ends 17 are at center
The axial position size on cylinder surface is also identical (circumferential position size is different).
Further, the both ends of filler strip 9 are respectively welded at the helical metal plate of the top and bottom in tube bundle support structure
15 surfaces enable tube bundle support structure to play a supporting role tube bank.
Further, in the winding process around pipe 10, make every layer of winding screw angle around pipe all identical, due to every piece of spiral
The layout angle of shape metal plate 15 is identical as the winding screw angle around pipe, thus restraining fairlead 5 can be easily from phase
It is drawn in the channel that adjacent two blocks of helical metal plates 15 are constituted, as shown in fig. 6, fairlead is connected with tube sheet 3 again.
This vertical tube bundle support structure around heat exchange of heat pipe can form effective support around the tube bank that pipe is constituted to multilayer,
It may make tube bank fairlead easily to draw again, be connected with tube sheet.
Claims (5)
1. a kind of tube bundle support structure of vertical wound tube heat exchanger, including several blocks of helical metal plates, filler strips, feature exist
In: central tube both ends outer surface is respectively equipped with several block-shaped, identical helical metal plates of size, and outside central tube
The axis of Zhou Junbu, every block of helical metal plate and central tube is spirally diagonally disposed at an angle, the angle with around pipe
Winding screw angle it is identical, the thickness of helical metal plate is equal to or less than gap of adjacent two same layers between pipe, spiral
The width of shape metal plate is equal to the height of tube bank.
2. the tube bundle support structure of vertical wound tube heat exchanger according to claim 1, it is characterised in that: the central tube
On one end any block helical metal plate length direction beginning central tube surface circumferential position size be equal to it is adjacent
The circumferential position size of helical metal plate length direction end, the helical metal plate length direction end is on central tube surface
Circumferential position size be equal to adjacent spirals metal plate length direction beginning circumferential position size.
3. the tube bundle support structure of vertical wound tube heat exchanger according to claim 1, it is characterised in that: the central tube
On one end axial position size of the every piece of helical metal plate beginning with end on central tube surface it is identical.
4. the tube bundle support structure of vertical wound tube heat exchanger according to claim 1, it is characterised in that: the filler strip
Both ends are respectively welded at the helical metal plate surface of the top and bottom of tube bundle support structure, so that tube bundle support structure is to pipe
Beam is played a supporting role.
5. the tube bundle support structure of vertical wound tube heat exchanger according to claim 4, it is characterised in that: the central tube
Filler strip on be wound with multilayer around pipe, every layer of winding screw angle around pipe is identical, and the fairlead around pipe is from adjacent two pieces of helical forms
It draws in the channel that metal plate is constituted and is connected with tube sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810993688.6A CN109029052B (en) | 2018-08-29 | 2018-08-29 | Tube bundle supporting structure of vertical wound tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810993688.6A CN109029052B (en) | 2018-08-29 | 2018-08-29 | Tube bundle supporting structure of vertical wound tube type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109029052A true CN109029052A (en) | 2018-12-18 |
| CN109029052B CN109029052B (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810993688.6A Active CN109029052B (en) | 2018-08-29 | 2018-08-29 | Tube bundle supporting structure of vertical wound tube type heat exchanger |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695862A (en) * | 2021-09-02 | 2021-11-26 | 宝银特种钢管有限公司 | Sleeving method for multilayer spiral tube bundle with special-shaped space bend |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06180190A (en) * | 1991-05-10 | 1994-06-28 | Man Gutehoffnungshuette Ag | Cylindrical shell and tube heat exchanger |
| CN104406430A (en) * | 2014-11-26 | 2015-03-11 | 中国海洋石油总公司 | Winding tubular heat exchanger provided with vertical partition plate in cavity |
| CN105928392A (en) * | 2016-06-14 | 2016-09-07 | 西安交通大学 | Spiral filler strip type winding pipe heat exchanger |
| CN107702582A (en) * | 2017-10-27 | 2018-02-16 | 中广核研究院有限公司 | Helical bundle support meanss and helical bundle combining structure |
| CN208887449U (en) * | 2018-08-29 | 2019-05-21 | 上海理工大学 | The tube bundle support structure of vertical wound tube heat exchanger |
-
2018
- 2018-08-29 CN CN201810993688.6A patent/CN109029052B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06180190A (en) * | 1991-05-10 | 1994-06-28 | Man Gutehoffnungshuette Ag | Cylindrical shell and tube heat exchanger |
| CN104406430A (en) * | 2014-11-26 | 2015-03-11 | 中国海洋石油总公司 | Winding tubular heat exchanger provided with vertical partition plate in cavity |
| CN105928392A (en) * | 2016-06-14 | 2016-09-07 | 西安交通大学 | Spiral filler strip type winding pipe heat exchanger |
| CN107702582A (en) * | 2017-10-27 | 2018-02-16 | 中广核研究院有限公司 | Helical bundle support meanss and helical bundle combining structure |
| CN208887449U (en) * | 2018-08-29 | 2019-05-21 | 上海理工大学 | The tube bundle support structure of vertical wound tube heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695862A (en) * | 2021-09-02 | 2021-11-26 | 宝银特种钢管有限公司 | Sleeving method for multilayer spiral tube bundle with special-shaped space bend |
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| Publication number | Publication date |
|---|---|
| CN109029052B (en) | 2019-12-24 |
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