CN206556490U - A kind of inlet baffle and heat exchanger for heat exchanger - Google Patents
A kind of inlet baffle and heat exchanger for heat exchanger Download PDFInfo
- Publication number
- CN206556490U CN206556490U CN201720036957.0U CN201720036957U CN206556490U CN 206556490 U CN206556490 U CN 206556490U CN 201720036957 U CN201720036957 U CN 201720036957U CN 206556490 U CN206556490 U CN 206556490U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- inlet baffle
- slotted hole
- tube
- inlet
- 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.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The utility model is related to heat exchanger structure Element Technology field, and there is provided a kind of inlet baffle and heat exchanger for heat exchanger；The inlet baffle is the rectangular flat plate for offering multiple slotted holes, and 4 angles of the rectangular flat plate are eliminated；The bond length of inlet baffle is more than the internal diameter of the adapter of heat exchanger.Inlet baffle is used to be soldered to the distance sink tube of heat exchanger or the cylinder inboard wall of heat exchanger；The mode of the welding is two-sided continuous corner connection weld or complete penetraction and fusion in welding banjo fixing butt jointing welding.The length direction of slotted hole is consistent with the tube bank direction of heat exchanger, and the length direction center line of slotted hole is right against the bisector of lower section heat exchange tube spacing, and the slotted hole order of adjacent two row is arranged.Inlet baffle of the present utility model realizes the stronger connection of impingement baffle and bigger tube bank inlet flow area, so as to increase the uniformity of fluid distrbution, reduces droop loss, improves heat transfer effect.
Description
Technical field
The utility model is related to heat exchanger structure Element Technology field, more particularly, to a kind of entering for heat exchanger
Mouth baffle plate and heat exchanger.
Background technology
Impingement baffle is the structural detail that must take into consideration during shell-and-tube heat exchanger is designed.In shell side, impingement baffle, its purpose are set
Be in order to prevent fluid inflow exchange heat pipe directly impact and cause heat exchanger tube erosion, abrasion and shake, and also to
The thermal stress produced due to the non-uniform heat flux of pipe is avoided, to play a part of protecting heat exchanger tube.
The fixed form of impingement baffle generally has two kinds：1) both sides are welded on distance sink tube or pull bar, can be also welded in simultaneously adjacent
Deflection plate or support plate on；2) it is welded on cylinder.The impingement baffle generally used such as Fig. 1 a~1f pattern.But in oil
During frock is put, often occur because impingement baffle causes the case of heat exchanger failure, be mainly presented with：1. impingement baffle takes off from housing
Fall, cause the direct impingement heat transfer pipe of air-flow；Impingement baffle is random " play ", in housing internal cutting heat exchanger tube.2. due to
The setting of rectangle impingement baffle, causes local velocity higher, and flow velocity is uneven, and pressure drop loss is big.
Utility model content
The purpose of this utility model is to cause that fluid local velocity is higher, pressure drop is damaged for the impingement baffle of prior art
There is provided a kind of inlet baffle and heat exchanger for heat exchanger for the problem of losing big；The import of tube bank can be improved to greatest extent
Circulation area, so as to increase the uniformity of fluid distrbution, reduces the loss of pressure drop, improves heat transfer effect.
To achieve these goals, the utility model provides a kind of inlet baffle for heat exchanger, and the inlet baffle is
The rectangular flat plate of multiple slotted holes is offered, and 4 angles of the rectangular flat plate are eliminated；The short side of the inlet baffle
Length is more than the internal diameter of the adapter of heat exchanger.The adapter internal diameter of the heat exchanger is usually 45~55mm.
The inlet baffle provided according to the utility model, it is preferable that the inlet baffle is used to be soldered to determining for heat exchanger
Cylinder inboard wall away from pipe or heat exchanger；The mode of the welding be two-sided continuous corner connection weld, or complete penetraction and fusion in welding dock
Weld.
The inlet baffle provided according to the utility model, it is preferable that the length direction of the slotted hole and the pipe of heat exchanger
Shu Fangxiang is consistent, and the length direction center line of slotted hole is right against the bisector of lower section heat exchange tube spacing, the length of adjacent two row
The arrangement of circular hole order or arrangement straggly.
The inlet baffle provided according to the utility model, it is preferable that the width of the slotted hole is equal to the adjacent of heat exchanger
Spacing between two heat exchange pipe outer walls, the length of the slotted hole is 30~200mm.
The inlet baffle provided according to the utility model, it is preferable that on the length direction of the slotted hole, slotted hole
The number of openings meets following condition：Bridge width is 20~35mm, and the distance with inlet baffle edge is 20~30mm；
Preferably, on the width of the slotted hole, slotted hole the number of openings meets following condition：Adjacent two platoon leader
The spacing of circle hole centreline is equal with the centre-to-centre spacing of the two neighboring heat exchanger tube in lower section, with the distance at inlet baffle edge for 20~
30mm。
The inlet baffle provided according to the utility model, it is preferable that the slotted hole is provided with the side close to heat exchanger tube
Chamfering, the chamfering length is 0~4mm.It can be understood as：When the circular hole sets chamfering in the side close to heat exchanger tube, fall
Angular length degree is more than 0 and less than or equal to 4, and when the circular hole is not provided with chamfering in the side close to heat exchanger tube, chamfering length is
0.It is further preferred that the chamfering is 45 °.
The inlet baffle provided according to the utility model, it is preferable that on the rectangular slab of the inlet baffle, be shaved
The delta-shaped region of 4 each self-formings in angle be located at adapter internal diameter projected on inlet baffle the border circular areas of formation radially to
Outside 20~30mm of outer skew scope.
The inlet baffle provided according to the utility model, it is preferable that the triangle that 4 angles for being eliminated are formed is
Isosceles right triangle.
The utility model also provides a kind of heat exchanger, and the heat exchanger shell pass porch is provided with entrance gear as described above
Plate.
The beneficial effect that the technical solution of the utility model is brought is：Inlet baffle of the present utility model passes through rectangular
Slotted hole is opened up on shape flat board, and eliminates 4 angles unnecessary outside erosion control effective coverage, the stronger company of impingement baffle is realized
Connect and bigger tube bank inlet flow area, so as to increase the uniformity of fluid distrbution, reduce the loss of pressure drop, improve and change
Thermal effect；Accomplish safer, it is more efficient, it is more energy efficient.
Brief description of the drawings
By the way that the utility model illustrative embodiments are described in more detail with reference to accompanying drawing, it is of the present utility model on
State and other purposes, feature and advantage will be apparent, wherein, in the utility model illustrative embodiments, phase
Same reference number typically represents same parts.
Fig. 1 shows the impingement plate structure schematic diagram at heat exchanger entrance pipe in the prior art.
Fig. 2 shows the inlet baffle arrangement schematic diagram of the first embodiment of the utility model.
Fig. 3 shows the inlet baffle arrangement schematic diagram of second of embodiment of the utility model.
Fig. 4 shows the inlet baffle arrangement schematic diagram of the third embodiment of the utility model.
Fig. 5 shows that inlet baffle described in the utility model is applied to the structural representation of tube bank.
Label is described as follows in above-mentioned figure：
1- inlet baffles；2- distance sink tubes (pull bar)；3- housings；4- takes over；5- heat exchanger tubes；6- tube sheets.
Embodiment
Preferred embodiment of the present utility model is more fully described below with reference to accompanying drawings.Although showing this in accompanying drawing
The preferred embodiment of utility model, however, it is to be appreciated that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.
Fig. 2 shows the inlet baffle arrangement schematic diagram of the first embodiment of the utility model.The inlet baffle 1 is to open
Rectangular flat plate provided with multiple slotted holes, and 4 angles of the rectangular flat plate are eliminated, the triangle that 4 angles are formed is equal
For isosceles right triangle；The bond length of the inlet baffle 1 is more than the internal diameter 50mm of the adapter 4 of heat exchanger, and long side is solid
The distance sink tube 2 of deckle, the inlet baffle 1 and heat exchanger uses the welding manner of complete penetraction and fusion in welding banjo fixing butt jointing, it is to avoid inlet baffle
Come off.
The length direction of the slotted hole is consistent with the tube bank direction of heat exchanger, and the length direction center line of slotted hole is just right
In the bisector of the tube pitch of lower section heat exchanger tube 5, the slotted hole order of adjacent two row is arranged.The width of the slotted hole is equal to heat exchange
Spacing between the outer wall of two neighboring heat exchanger tube 5 of device, the length of the slotted hole is 60~200mm.
On the length direction of the slotted hole, the number of openings of slotted hole meets following condition：Bridge width be 20~
35mm, the distance with the edge of inlet baffle 1 is 20~30mm；On the width of the slotted hole, slotted hole the number of openings
Meet following condition：The spacing of adjacent two platoon leaders circle hole centreline is equal with the centre-to-centre spacing of the two neighboring heat exchanger tube in lower section 5, with entering
The distance at mouth baffle plate 1 edge is 20~30mm.
The slotted hole is provided with chamfering in the side close to heat exchanger tube 5, and the chamfering length is 4mm.The inlet baffle 1
On rectangular slab, the delta-shaped region for 4 each self-formings in angle being shaved projects shape positioned at the internal diameter of adapter 4 on inlet baffle 1
Into border circular areas radially outwards skew 20~30mm scope outside.
When inlet baffle 1 need to mutually be welded by bending realization with housing 3 and distance sink tube 2 (pull bar), the width of its erosion control part
Degree should at least be equal to the length of impingement baffle short side.To play the purpose of erosion control, the size of impingement baffle and the perforate of adapter are relative
Answer, generally impingement baffle is bigger than perforate internal diameter, the minimum that the partial width after bending for erosion control need to meet erosion control area will
Ask.
Fig. 3 shows the inlet baffle arrangement schematic diagram of second of embodiment of the utility model.With the first reality
Apply the inlet baffle arrangement described in mode to compare, difference is, the inwall of cylinder 3 of the inlet baffle 1 and heat exchanger is adopted
With two-sided continuous corner connection weld mode, it is to avoid inlet baffle comes off.
Fig. 4 shows the inlet baffle arrangement schematic diagram of the third embodiment of the utility model.With the first reality
Apply the inlet baffle arrangement described in mode to compare, difference is, the inlet baffle 1 need to be carried out according to the position of distance sink tube
After bending use two-sided continuous corner connection weld mode with the distance sink tube 2 of heat exchanger again, it is to avoid inlet baffle comes off.
The concrete application of inlet baffle of the present utility model on heat exchangers is described below.Fig. 5 shows the entrance gear
Plate is applied to the structural representation of tube bank.The renovable tube bundle of one movable tube sheets heat exchanger, including：Tube sheet 6, distance sink tube (pull bar) 2
With heat exchanger tube 5.The inlet baffle 1 is arranged on to the lower left of heat exchanger tube, that is, at shell side material inlet.
It is described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (8)
1. a kind of inlet baffle for heat exchanger, it is characterised in that the inlet baffle (1) is the length for offering multiple slotted holes
Square plate, and 4 angles of the rectangular flat plate are eliminated；The bond length of the inlet baffle (1) is more than heat exchanger
Take over the internal diameter of (4)；The length direction of the slotted hole is consistent with the tube bank direction of heat exchanger, the length direction center of slotted hole
Line is right against the bisector of lower section heat exchanger tube (5) tube pitch, the slotted hole order arrangement of adjacent two row or arrangement straggly.
2. inlet baffle according to claim 1, it is characterised in that
The inlet baffle (1) is used to be soldered to the distance sink tube (2) of heat exchanger or cylinder (3) inwall of heat exchanger；The weldering
The mode connect be two-sided continuous corner connection weld, or complete penetraction and fusion in welding banjo fixing butt jointing weld.
3. inlet baffle according to claim 1, it is characterised in that
The width of the slotted hole is equal to the spacing between two neighboring heat exchanger tube (5) outer wall of heat exchanger, the slotted hole
Length is 30~200mm.
4. inlet baffle according to claim 1, it is characterised in that
On the length direction of the slotted hole, the number of openings of slotted hole meets following condition：Bridge width is 20~35mm,
Distance with inlet baffle (1) edge is 20~30mm；
On the width of the slotted hole, slotted hole the number of openings meets following condition：Adjacent two platoon leaders circle hole centreline
Spacing it is equal with the centre-to-centre spacing of the two neighboring heat exchanger tube in lower section (5), be 20~30mm with the distance at inlet baffle (1) edge.
5. inlet baffle according to claim 1, it is characterised in that
The slotted hole is provided with chamfering in the side close to heat exchanger tube (5), and the chamfering length is 0~4mm.
6. inlet baffle according to claim 1, it is characterised in that
On the rectangular slab of the inlet baffle (1), the delta-shaped region for 4 each self-formings in angle being shaved is located at adapter (4)
The border circular areas that internal diameter projects formation on inlet baffle (1) is radially outwards offset outside 20~30mm scope.
7. inlet baffle according to claim 1, it is characterised in that
The triangle that 4 angles eliminated are formed is isosceles right triangle.
8. a kind of heat exchanger, it is characterised in that install just like any one of claim 1-7 institutes the heat exchanger shell pass porch
The inlet baffle stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036957.0U CN206556490U (en) | 2017-01-12 | 2017-01-12 | A kind of inlet baffle and heat exchanger for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036957.0U CN206556490U (en) | 2017-01-12 | 2017-01-12 | A kind of inlet baffle and heat exchanger for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556490U true CN206556490U (en) | 2017-10-13 |
Family
ID=60359925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036957.0U Active CN206556490U (en) | 2017-01-12 | 2017-01-12 | A kind of inlet baffle and heat exchanger for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206556490U (en) |
-
2017
- 2017-01-12 CN CN201720036957.0U patent/CN206556490U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6357480B2 (en) | Fin-tube heat exchanger | |
| JP6333973B2 (en) | Heat exchanger plate and heat exchanger | |
| CN104501643B (en) | Tube and shell heat exchanger | |
| JP2019502085A (en) | Fin tube heat exchanger for washing machine / clothing dryer and manufacturing method thereof | |
| CN106288918A (en) | A kind of typing runner cold drawing | |
| JP6917459B2 (en) | Plate heat exchanger | |
| JP2010270982A (en) | Heat exchanger | |
| JP2007205634A (en) | Plate type heat exchanger | |
| JPH08219677A (en) | Plate laminated body as heat exchanger | |
| CN206556490U (en) | A kind of inlet baffle and heat exchanger for heat exchanger | |
| CN210321338U (en) | Plate-shell type heat exchanger based on circular micro-channel wavy-surface heat exchange plate | |
| CN206724774U (en) | A kind of distributed architecture and heat exchanger for heat exchanger shell pass porch | |
| CN206556492U (en) | A kind of top rake arc deflector and heat exchanger for heat exchanger shell pass porch | |
| WO2012075766A1 (en) | Method for manufacturing refrigerant guide tube of heat exchanger, refrigerant guide tube manufactured using the method and heat exchanger with the refrigerant guide tube | |
| CN206556491U (en) | A kind of perforation type impingement baffle and heat exchanger for heat exchanger shell pass porch | |
| KR20190122809A (en) | Heat exchanger plate, plate package using these heat exchanger plate and heat exchanger using such heat exchanger plate | |
| CN110455098A (en) | Winding tube type heat exchanger with baffle plate | |
| TW201702547A (en) | A heat exchanger plate and a plate heat exchanger | |
| CN109539834A (en) | A kind of shell-and-tube heat exchanger | |
| TWI756654B (en) | A heat exchanger plate, and a plate heat exchanger | |
| JP2010519494A (en) | Heat exchanger and manufacturing method thereof | |
| CN201059887Y (en) | Rectangular figure bundled tubes heat exchanger supported by rotational flow piece | |
| CN209558997U (en) | Revolve jet stream heat exchanger tube | |
| CN109945716B (en) | A kind of high-temperature cooler supporting device for heat exchange tube bundle | |
| JP2018155468A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |