CN209131445U - The rod baffle heat exchange structure of efficient energy-saving coal air preheater - Google Patents
The rod baffle heat exchange structure of efficient energy-saving coal air preheater Download PDFInfo
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- CN209131445U CN209131445U CN201821753142.5U CN201821753142U CN209131445U CN 209131445 U CN209131445 U CN 209131445U CN 201821753142 U CN201821753142 U CN 201821753142U CN 209131445 U CN209131445 U CN 209131445U
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- baffle
- heat exchange
- horizontal
- semicircle
- length direction
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Abstract
The utility model provides the rod baffle heat exchange structure of efficient energy-saving coal air preheater, ensures that medium and heat exchanger tube come into full contact with, and guarantees that heat exchange sufficiently, improves heat exchange efficiency.It includes fixed tube sheet, several U heat exchanges, the heat exchanging part of the every U heat exchange is located at the heat exchange area of the thickness direction rear end of the fixed tube sheet, weld the fixed tube sheet in length direction one end of horizontal baffle, the length direction other end of the horizontal baffle extends to the straight pipe end of the U heat exchange, the U heat exchange is separated into top straight section by the horizontal baffle, lower part straight section, the arc fold bending section of the U heat exchange is located at the rear area arrangement of the horizontal baffle, the top and bottom of the length direction of the horizontal baffle are respectively arranged with baffle plate component.
Description
Technical field
The utility model relates to a kind of technical field of gas preheater structure, specially efficient energy-saving coal air preheater
Rod baffle heat exchange structure.
Background technique
Existing gas preheater, the medium in shell side pass through the heat exchange of lower section under the effect of gravity after entering from top
It is directly flowed out from lower part after pipe, medium is short in the surface time of contact of heat exchanger tube, and then it is insufficient to cause to exchange heat, and heat exchange efficiency is low
Under.
Summary of the invention
In view of the above-mentioned problems, the utility model provides the rod baffle heat exchange structure of efficient energy-saving coal air preheater, really
It protects medium and heat exchanger tube comes into full contact with, guarantee that heat exchange sufficiently, improves heat exchange efficiency.
The rod baffle heat exchange structure of efficient energy-saving coal air preheater, it is characterised in that: it includes fixed tube sheet, several U-shaped
Heat exchanger tube, the heat exchanging part of the every U heat exchange are located at the heat exchange area of the thickness direction rear end of the fixed tube sheet, water
The fixed tube sheet is welded in length direction one end of flat partition board, and the length direction other end of the horizontal baffle extends to the U
The U heat exchange is separated into top straight section, lower part straight section, institute by the straight pipe end of type heat exchanger tube, the horizontal baffle
The arc fold bending section for stating U heat exchange is located at the rear area arrangement of the horizontal baffle, the length direction of the horizontal baffle
Top and bottom be respectively arranged with baffle plate component, the baffle plate component specifically includes the first semicircle baffle ring, the second half
Circle baffle ring, horizontal baffling bar, vertical rod baffle, horizontal baffling bar, vertical rod baffle are respectively and fixedly connected with first in corresponding position
Semicircle baffle ring, the second semicircle baffle ring correspondence periphery, form the baffling pilot holes of matrix arrangements, one end of several pull rods is solid
Be connected to the fixed tube sheet, the length direction other end of the every pull rod through the first semicircle baffle ring outer periphery Positioning hole,
Be welded to connect the second semicircle baffle ring behind the outer periphery Positioning hole of second semicircle baffle ring, the upper baffle component, under
Portion's baffle plate component is arranged symmetrically relative to the horizontal baffle, and the length direction other end of the horizontal baffle is located at top folding
Setting is positioned between flowing plate component, lower baffle component.
It is further characterized by:
The upper and lower side of the width direction two sides of the horizontal baffle is fixed with latch plate, the outer arc of the latch plate respectively
The inner wall arrangement of the corresponding position of shell is close on side, ensures adaptive division of the horizontal baffle for cavity, guarantees medium
Flow direction is controllable；
It further includes erosion control baffle, and the drawing of respective heights position side is respectively welded in the width direction two sides of the erosion control baffle
Bar；
The erosion control baffle correspond to shell side inlet position be provided with matrix arrangement through aperture.
After the utility model, for medium after shell side inlet entrance, the top for falling to the U heat exchange of underface is straight
Section, is oriented to by horizontal baffle, and medium enters arc fold bending section along baffling pilot hole composed by upper baffle component,
Medium after sufficiently being exchanged heat by arc fold bending section is formed by baffling pilot hole again along lower baffle component and enters down
The heat exchange of portion's straight section, flows out then along shell-side outlet, ensures that medium and heat exchanger tube come into full contact with, and guarantees that heat exchange sufficiently, improves
Heat exchange efficiency.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of the heat exchanger tube of the utility model, baffling component；
The right view structural schematic diagram that Fig. 2 is Fig. 1 (removal heat exchanger tube adds shell)；
Fig. 3 is partial enlargement structural representation at the A of Fig. 1；
Fig. 4 is the right view structural schematic diagram of Fig. 3；
Fig. 5 is the assembly structure diagram of the second semicircle baffle ring and horizontal baffling bar；
Fig. 6 is the assembly structure diagram of the first semicircle baffle ring and vertical rod baffle；
Fig. 7 is partial enlargement structural representation at the B of Fig. 2；
Fig. 8 is the vertical view figure structure schematic representation of the erosion control baffle of the utility model；
Title corresponding to serial number is as follows in figure:
Fixed tube sheet 1, U heat exchange 2, horizontal baffle 3, top straight section 21, lower part straight section 22, arc fold bending section 23,
One semicircle baffle ring 4, the second semicircle baffle ring 5, horizontal baffling bar 6, vertical rod baffle 7, baffling pilot hole 8, pull rod 9, top
Baffle plate component 10, latch plate 12, shell 13, erosion control baffle 14, runs through aperture 15 at lower baffle component 11.
Specific embodiment
The rod baffle heat exchange structure of efficient energy-saving coal air preheater, is shown in Fig. 1-Fig. 8: it includes fixed tube sheet 1, several U-shaped
Heat exchanger tube 2, the heat exchanging part of every single u-shaped heat exchanger tube 2 are located at the heat exchange area of the thickness direction rear end of fixed tube sheet, horizontal baffle
Tube sheet 2 is welded and fixed in 3 length direction one end, and the length direction other end of horizontal baffle 3 extends to the straight tube of U heat exchange 2
U heat exchange 2 is separated into top straight section 21, lower part straight section 22, the arc folding of U heat exchange 2 by section end, horizontal baffle 3
Curved segment 23 is located at the rear area arrangement of horizontal baffle 3, and the top and bottom of the length direction of horizontal baffle 2 are respectively arranged with folding
Flowing plate component, baffle plate component specifically include the first semicircle baffle ring 4, the second semicircle baffle ring 5, horizontal baffling bar 6, vertical folding
Flow post 7, horizontal baffling bar 6, vertical rod baffle 7 are respectively and fixedly connected with the first semicircle baffle ring 4 in corresponding position, the second semicircle baffling
The correspondence periphery of ring 5, the baffling pilot hole 8 for forming matrix arrangements, one end of several pull rods 9 are fixed in fixed tube sheet 1, every drawing
The length direction other end of bar 9 is through the outer periphery Positioning hole of the first semicircle baffle ring 4, the outer periphery Positioning of the second semicircle baffle ring 5
The second semicircle baffle ring 5 is welded to connect behind hole, upper baffle component 10, lower baffle component 11 are relative to horizontal baffle 3
It is arranged symmetrically, the length direction other end of horizontal baffle 3 is fixed between upper baffle component 10, lower baffle component 11
Position setting.
The upper and lower side of the width direction two sides of horizontal baffle 3 is fixed with latch plate 12, the external arc side of latch plate 12 respectively
It is close to the inner wall arrangement of the corresponding position of shell 13, ensures adaptive division of the horizontal baffle 3 for cavity, guarantee medium
Flow direction is controllable；
It further includes erosion control baffle 14, and the drawing of respective heights position side is respectively welded in the width direction two sides of erosion control baffle 14
Bar 9；
Erosion control baffle 14 correspond to shell side inlet position be provided with matrix arrangement through aperture 15.
Its working principles are as follows: medium is oriented to after shell side inlet entrance by erosion control baffle, a part passes through through small
Hole enters the U heat exchange of underface, and another part is changed along the peripheral direction of erosion control baffle from the U-shaped of underface is fallen to
The top straight section of heat pipe, is oriented to by horizontal baffle, and medium enters along baffling pilot hole composed by upper baffle component
To arc fold bending section, the medium after sufficiently being exchanged heat by arc fold bending section is formed by baffling again along lower baffle component and leads
The heat exchange of lower part straight section is entered to hole, is flowed out then along shell-side outlet, is ensured that medium and heat exchanger tube come into full contact with, guarantee to change
It is hot abundant, improve heat exchange efficiency.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (4)
1. the rod baffle heat exchange structure of efficient energy-saving coal air preheater, it is characterised in that: it includes fixed tube sheet, several U-shaped to change
Heat pipe, the heat exchanging part of the every U heat exchange are located at the heat exchange area of the thickness direction rear end of the fixed tube sheet, horizontal
The fixed tube sheet is welded in length direction one end of partition, and the length direction other end of the horizontal baffle extends to described U-shaped
The U heat exchange is separated into top straight section, lower part straight section, the U by the straight pipe end of heat exchanger tube, the horizontal baffle
The arc fold bending section of type heat exchanger tube be located at the horizontal baffle rear area arrangement, the length direction of the horizontal baffle it is upper
End and lower end are respectively arranged with baffle plate component, and the baffle plate component specifically includes the first semicircle baffle ring, the second semicircle folding
Ring, horizontal baffling bar, vertical rod baffle are flowed, horizontal baffling bar, vertical rod baffle are respectively and fixedly connected with the first semicircle in corresponding position
Baffle ring, the second semicircle baffle ring correspondence periphery, formed matrix arrangements baffling pilot hole, one end of several pull rods is fixed in
The length direction other end of the fixed tube sheet, the every pull rod runs through the outer periphery Positioning hole of the first semicircle baffle ring, second
The second semicircle baffle ring, the upper baffle component, lower part folding are welded to connect behind the outer periphery Positioning hole of semicircle baffle ring
Flowing plate component is arranged symmetrically relative to the horizontal baffle, and the length direction other end of the horizontal baffle is located at upper baffle
Setting is positioned between component, lower baffle component.
2. the rod baffle heat exchange structure of efficient energy-saving coal air preheater as described in claim 1, it is characterised in that: the level
The upper and lower side of the width direction two sides of partition is fixed with latch plate respectively, and the external arc side of the latch plate is close to the correspondence of shell
The inner wall of position is arranged.
3. the rod baffle heat exchange structure of efficient energy-saving coal air preheater as described in claim 1, it is characterised in that: it further includes
The pull rod of respective heights position side is respectively welded in the width direction two sides of erosion control baffle, the erosion control baffle.
4. the rod baffle heat exchange structure of efficient energy-saving coal air preheater as claimed in claim 3, it is characterised in that: the erosion control
Baffle correspond to shell side inlet position be provided with matrix arrangement through aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753142.5U CN209131445U (en) | 2018-10-29 | 2018-10-29 | The rod baffle heat exchange structure of efficient energy-saving coal air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753142.5U CN209131445U (en) | 2018-10-29 | 2018-10-29 | The rod baffle heat exchange structure of efficient energy-saving coal air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131445U true CN209131445U (en) | 2019-07-19 |
Family
ID=67232987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753142.5U Active CN209131445U (en) | 2018-10-29 | 2018-10-29 | The rod baffle heat exchange structure of efficient energy-saving coal air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209131445U (en) |
-
2018
- 2018-10-29 CN CN201821753142.5U patent/CN209131445U/en active Active
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