CN207147286U - A kind of removable lamella heat exchanger with impingement baffle - Google Patents
A kind of removable lamella heat exchanger with impingement baffle Download PDFInfo
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- CN207147286U CN207147286U CN201720359194.3U CN201720359194U CN207147286U CN 207147286 U CN207147286 U CN 207147286U CN 201720359194 U CN201720359194 U CN 201720359194U CN 207147286 U CN207147286 U CN 207147286U
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- impingement baffle
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Abstract
A kind of removable lamella heat exchanger with impingement baffle, including：The housing of heat exchanger is provided with shell-side inlet flange and shell-side outlet flange, core body is provided with the housing, one end of the core body is provided with plate side-entrance flange, the other end of the core body is provided with plate side outlet flange, plate side-entrance and plate side outlet are arranged horizontally, and plate side liquid and shell fluid form pure reverse flow between plate；Impingement baffle is installed, the impingement baffle is an arc surface, and arc surface is with circle with core body, and the arc length of arc surface is more than the internal diameter of shell-side inlet flange and shell-side outlet flange between housing and core body；The centre of impingement baffle is provided with side plate, impingement baffle is formed two sections, the not homonymy of two sections of impingement baffles respectively sets side plate, and three side plates are connected as a single entity and are fixed on the inwall of housing, wherein one section of impingement baffle corresponds to shell-side inlet, another section of impingement baffle corresponds to shell-side outlet.
Description
Technical field
The utility model belongs to the heat exchanger of chemical field, more specifically a kind of removable shell-and-plate heat exchange with impingement baffle
Device.
Background technology
GB/T151-2014《Heat exchanger》The 6.8.1 articles regulation (page 29)：Meet following occasion for the moment, should be in shell
Journey inlet pipes set impingement baffle or guide shell：
(1) monophasic fluid of non-abrasion, ρ v2＞ 2230kg/ (ms2), (ρ-density, kg/m3；V- flow velocitys, m/s) when；
(2) there are the fluid under the liquid of abrasion, including boiling point, ρ v2＞ 740kg/ (ms2)；
(3) there are the gas, steam (gas) and gas-liquid mixture of abrasion.
In recent years, lamella heat exchanger integrates the advantages of board-like, shell-and-tube heat exchanger, has that heat transfer efficiency is high, end
Hold the temperature difference is small, high temperature high voltage resistant, densification and it is in light weight the advantages that, be widely used in chemical industry, refrigeration, food and medicine
Deng in production procedure.However, lamella heat exchanger of the prior art has the following disadvantages：
(1) existing lamella heat exchanger structure is without impingement plate structure.When gas flow rate is excessive, plate core is easily washed out.
Such as：In startup-shutdown, shell-side has water hammer appearance when walking steam.
(2) existing lamella heat exchanger structure, if plate effluent number of passes is more than 1, inlet and outlet are arranged in core body both sides, core
Body and housing can be sealed by welding manner, caused core body not split out, are not easy to clean and maintenance.
With requirement more and more higher of the chemical plant installations to equipment, when device designs, pay the utmost attention to efficient shell-and-plate and change
Hot device.But for the problem present on, need further improvement, related operating mode is adaptive to it.
Utility model content
The purpose of this utility model is to provide a kind of removable lamella heat exchanger with impingement baffle, makes lamella heat exchanger more
Add and adapt to complex working condition, furthermore such that it can be in the case of the multipaths of plate side, core body is removable, facilitates clean and maintenance, with
The defects of further improving in the prior art or deficiency.
To achieve the above object, the removable lamella heat exchanger provided by the utility model with impingement baffle, including：
The housing (2) of heat exchanger is provided with shell-side inlet flange (1) and shell-side outlet flange (6), and core is provided with the housing
Body (15), one end of the core body are provided with plate side-entrance flange (5), and the other end of the core body is provided with plate side outlet flange (7), plate side
Import and plate side outlet are arranged horizontally, and plate side liquid and shell fluid form pure reverse flow between plate；
Impingement baffle (17) is installed, the impingement baffle is an arc surface (18), and arc surface is with core body between housing and core body
Concentric, the arc length of arc surface are more than the internal diameter of shell-side inlet flange and shell-side outlet flange；The centre of impingement baffle is provided with side
Plate (20), impingement baffle is formed two sections, the not homonymies of two sections of impingement baffles respectively sets side plate (19,21), three side plates (19,20,
21) it is connected as a single entity and is fixed on the inwall of housing, wherein one section of impingement baffle corresponds to shell-side inlet, another section of impingement baffle corresponds to shell
Side outlet.
In the removable lamella heat exchanger with impingement baffle, core body is the spaced polylith heat exchange plate of stacking
(16) laser welding, is used between heat exchange plate.
In the removable lamella heat exchanger with impingement baffle, heat exchange plate surface is corrugated plating, and the ripple of corrugated plating is deep
Spend between 2mm-10mm, the pitch of ripple is between 5mm-20mm.
In the removable lamella heat exchanger with impingement baffle, during the multipaths of plate side, the side of core body passes through core body flange
(4) pass through with shell flange (3) bolt connection, opposite side by plate side outlet flange (7), flange (8), flange (9), sealing gasket
(26), sealing ring (24) connects with the removable flange combination structure that steel loop (25) forms.
In the removable lamella heat exchanger with impingement baffle, the internal diameter of housing is 1.1-2.0 times of heat exchange plate diameter.
In the removable lamella heat exchanger with impingement baffle, the arc length of impingement baffle arc surface be more than shell-side inlet flange and
More than shell-side outlet flange inner diameter 50mm；The arc angle of arc surface is 90 ° -120 °；Distance between arc surface and inner walls
More than 50mm；The inner surface of arc surface is not more than 30mm with the distance of heat exchange plate external diameter.
In the removable lamella heat exchanger with impingement baffle, impingement baffle is stainless steel or carbon steel, the minimum of stainless steel
Thickness is 3mm, and the minimum thickness of carbon steel is 4.5mm.
In the removable lamella heat exchanger with impingement baffle, adapter (22) one end of housing connection and the through hole of housing connect
Connecing, the other end is connected with flange (9), and being provided with sealing ring (24) between the adapter (23) of core body connection and flange (9) realizes sealing,
Take between (23) and flange (8) and be provided with flange seal gasket (26) realization sealing；Flange (8,9), steel loop (25), gasket seal
(26) connected with sealing ring (24) by bolt (29), nut (30,31), realize sealing effectiveness.
In the removable lamella heat exchanger with impingement baffle, steel loop is two-flap type structure.
The utility model can reach following benefit：
1) effectively prevent big flow rates of fluid from directly impacting plate core, cause the erosion of plate core and produce leakage, while make fluid
Into the uniform flow distribution of shell-side runner.
2) in the startup-shutdown stage, avoid due to the non-uniform heat flux of core body and caused thermal stress, to play protection core body
Effect.
3) noise pollution is reduced.Shell-side fluid is entered fashionable, the vertical heat exchange core body in its direction, can cause the vibration of core body, touch
Noise noise is hit, causes environmental pollution.After impingement baffle, the problem is efficiently solved.
4) in the case of the multipaths of plate side, by removable flange combination device, core body can be split out, convenient cleaning dimension
Shield.
Brief description of the drawings
It is of the present utility model by reading the detailed description made to non-limiting example made with reference to the following drawings
Other features, objects and advantages will become more apparent upon：
Fig. 1 is the schematic diagram of removable lamella heat exchanger of the utility model with impingement baffle；
Fig. 2 is the plate side flow schematic diagram of the utility model embodiment；
Fig. 3 is the core body figure of the utility model embodiment；
Fig. 4 is the schematic diagram of the utility model embodiment shell-side flow；
Fig. 5 is the schematic diagram inside the utility model embodiment core body；
Fig. 6 is the structural representation of the utility model embodiment impingement baffle；
Fig. 7 is the schematic three dimensional views of the removable flange combination structure of the utility model embodiment.
Fig. 8 is the schematic diagram of the removable flange combination structure of the utility model embodiment.
Description of reference numerals：
1 shell-side inlet flange；2 housings；3 shell flanges；4 core body flanges；5 plate side-entrance flanges；6 shell-side outlet flanges；7
Plate side outlet flange；8 flanges；9 flanges；10 plate side first passes；The flow of 11 plate side the 3rd；The flow of 12 plate side the 5th；13 plate sides
Second procedure；The flow of 14 plate side the 4th；15 heat exchange core bodies；16 heat exchange plates；17 impingement baffles；18 arc surfaces；19 side plates；20 sides
Plate；21 side plates；22 adapters；23 adapters；24 sealing rings；25 two-flap type steel loops；26 gasket seals；27 weld seams；28 adapters；29 spiral shells
Bolt；30 nuts；31 nuts；32 weld seams；33 weld seams.
Embodiment
A kind of removable lamella heat exchanger with impingement baffle that the utility model embodiment provides, including heat exchanger shell 2,
Core body 15, impingement baffle 17, removable flange combination device (plate side outlet flange 7, flange 8, flange 9, sealing gasket 26, sealing ring 24
With steel loop 25) etc..Housing is provided with shell-side inlet flange 1 and shell-side outlet flange 6, and core body is provided with the He of plate side-entrance flange 5
Plate side outlet flange 7.The operation principle of lamella heat exchanger is that plate side liquid flows into from plate side-entrance flange 5, from plate side outlet
Flange 7 flows out.Shell fluid flows into from shell-side inlet flange 1, is flowed out from shell-side outlet flange 6.In the utility model：
(1) impingement plate structure in housing causes shell fluid to be flowed into from shell-side inlet flange 1, collides impingement baffle 17 and sends out
Raw baffling, the annular space flowed between housing 2 and core body 15, then the shell-side runner of the inside of core body 2 is flowed into, with plate side liquid
After being exchanged heat, the opposite side annular space that then flows out between housing 2 and core body 15, after converging, from shell-side outlet
Flange 6 flows out.
(2) when removable flange combination device can cause plate side multipaths, core body can still be split out.Specific dismounting core body
Flow is as follows：Bolt 29, nut 30 and the structure of nut 31 are opened, dismantle successively welding sub-assembly (plate side outlet flange 7, flange 8
With adapter 28), steel loop 25, sealing ring 24 and sealing gasket 26, that is, realize the removable of the side.It is further to remove core body flange 4
With the connecting bolt of shell flange 3, core body 15 is extracted out from the side of core body flange 4, you can split out core body, carry out cleaning dimension
Shield.
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining related invention, rather than to restriction of the present utility model.Further need exist for illustrating
, for the ease of description, the part related to the utility model is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It refer to described in Fig. 1, the removable lamella heat exchanger of the present utility model with impingement baffle, including housing 2 and core body
15.Housing 2 is provided with shell-side inlet flange 1 and shell-side outlet flange 6, and core body 15 is provided with plate side-entrance flange 5 and plate side goes out
Mouth flange 7.The operation principle of the heat exchanger is that plate side liquid flows into from plate side-entrance flange 5, is flowed out from plate side outlet flange 7.
Shell fluid flows into from shell-side inlet flange 1, is flowed out from shell-side outlet flange 6.
Fig. 2 gives the core body figure of lamella heat exchanger, can more clearly see the plate side flowing of lamella heat exchanger
Schematic diagram.In figure by taking the flow of plate side 5 as an example, plate side liquid is flowed into from plate side-entrance flange 5, and plate side first pass is passed through in plate
10th, plate side second procedure 13, the flow 11 of plate side the 3rd, the flow 14 of plate side the 4th, the flow 12 of plate side the 5th, most afterwards through plate side outlet
Flange 7 flows out.
Fig. 3 gives the structure chart of core body 15, the core body be after being laminated by multiple heat exchange plates 16 by laser welding and
Into.As a kind of preferred embodiment, the surface of heat exchange plate 16 is corrugated surface, so can farthest make fluid turbulent to the greatest extent,
To prevent heat exchanger to be blocked.The generation type of core body is：Two coaxial placements of heat exchange plate 16, respectively will be same on heat exchange plate
Two circular holes welding (laser welding) of one position together, forms plate pair, forms and forms one between two plates of the plate pair
Individual shell-side runner；Then by multiple plates to coaxial placement, by the cylindrical welding (laser welding) of adjacent two plate pair together,
Core body 15 is formed, a plate side runner is constituted between adjacent two plates pair.Finally, each plate centering two of core body 15
Passage forms shell side passageway between plate, and runner forms plate side runner between plate pair and plate pair.Used heat exchange plate
16 is generally circular, and diameter range is between 0.2m-1.4m, and the ripple's depth of corrugated plating is between 2mm-10mm, the section of ripple
Away between 5mm-20mm.
Fig. 4 gives the shell-side flow schematic diagram of lamella heat exchanger, can more clearly see shell-and-plate shell fluid
Flow regime.Shell fluid flows into from shell-side inlet flange 1, collides impingement baffle 17 and baffling occurs, flow into housing 2 and core body
Annular space between 15, then the shell-side runner of the inside of core body 15 is flowed into, after being exchanged heat with plate side liquid, then flow out to
Opposite side annular space between housing 2 and core body 15, after converging, flowed out from shell-side outlet flange 6.
Fig. 5 gives shell-and-plate core body schematic internal view.The internal diameter of housing 2 be 1.1-2.0 times of the diameter of heat exchange plate 16 it
Between.When in figure between shell fluid inflow plate, level flows to the right.15 liang of adapters of core body should be horizontally disposed, plate side liquid Ying Congtu
The right ports shown enter, and left hole outflow, level flows to the left, and plate side liquid and shell fluid form pure reverse flow between plate
It is dynamic.
Fig. 6 gives the structural representation of impingement baffle 17.Impingement baffle 17 is by an arc surface 18, side plate 19, side plate 20 and side
Plate 21 forms.The arc length of arc surface 18 should be greater than more than the internal diameter 50mm of flange 1.The arc angle of arc surface 18 should 90 ° -120 ° it
Between.The distance between arc surface 18 and housing 2 should be greater than 50mm.The center of circle of arc section 18 and the concentric of heat exchange plate 16, circular arc
The distance of inner surface and heat exchange plate external diameter is no more than 30mm.The material of impingement baffle 17 is usually stainless steel or carbon steel, stainless
Steel minimum thickness is 3mm, and the minimum thickness of carbon steel is 4.5mm.Impingement baffle 17 is welded on housing 2, but core body should not be hindered
Dismounting.
Fig. 7 gives the schematic three dimensional views of removable flange combination device, and removable flange combination structure mainly goes out including plate side
Mouth flange 7, flange 8, flange 9, sealing gasket 26, sealing ring 24 and steel loop 25 etc..
As described previously for the plate side multipaths core body in the present embodiment, side passes through core body flange 4 and shell flange 3
Connection.Other side is connected by removable flange combination structure, to realize removable function.
Fig. 8 gives the schematic diagram of removable flange combination structure.As illustrated, the one end of 2 adapter of housing 22 on housing 2 with leading to
Hole is welded, and one end is welded with flange 9, it is seen that weld seam 33.Adapter 23 on heat exchange core body 15 is with flange 9 by sealing
Circle 24 realizes sealing.The function of sealing ring 24 is to ensure shell fluid and extraneous sealing.Adapter 23 on heat exchange core body 15 is same
When sealed with flange 8 by gasket seal 26.The function of gasket seal 26 is to ensure plate side liquid and extraneous sealing.
Flange 8, flange 9, steel loop 25, gasket seal 26 and sealing ring 24 are connected by bolt 29, nut 30, nut 31,
Realize sealing effectiveness.Wherein steel loop 25 uses two-flap type structure.Plate side outlet flange 7 is connected with pipeline.
During specific dismounting core body, it can be carried out according to following flow：
Bolt 29, nut 30 and the structure of nut 31 are opened, dismantle successively welding sub-assembly (plate side outlet flange 7, flange 8
With adapter 28), steel loop 25, sealing ring 24, sealing gasket 26, that is, realize the removable of the side.It is further to remove the He of core body flange 4
The connecting bolt of shell flange 3, core body 15 is extracted out from the side of core body flange 4, you can split out core body, carry out clean and maintenance.
Above description is only preferred embodiment of the present utility model and the explanation to institute's application technology principle.This area skill
Art personnel should be appreciated that in the utility model involved invention scope, however it is not limited to the particular combination of above-mentioned technical characteristic and
Into technical scheme, while should also cover in the case where not departing from the inventive concept, by above-mentioned technical characteristic or its be equal
Other technical schemes that feature is combined and formed.Such as features described above with it is (but unlimited disclosed in the utility model
In) there is the technical characteristic technical scheme being replaced mutually and formed of similar functions.
Claims (9)
1. a kind of removable lamella heat exchanger with impingement baffle, it is characterized in that, including：
The housing of heat exchanger（2）It is provided with shell-side inlet flange（1）With shell-side outlet flange（6）, the housing is interior to be provided with core body
（15）, one end of the core body is provided with plate side-entrance flange（5）, the other end of the core body is provided with plate side outlet flange（7）, plate side is entered
Mouth and plate side outlet are arranged horizontally, and plate side liquid and shell fluid form pure reverse flow between plate；
Impingement baffle is installed between housing and core body（17）, the impingement baffle is an arc surface（18）, arc surface is same circle with core body,
The arc length of arc surface is more than the internal diameter of shell-side inlet flange and shell-side outlet flange；The centre of impingement baffle is provided with side plate（20）,
Impingement baffle is set to form two sections, the not homonymy of two sections of impingement baffles respectively sets side plate（19、21）, three side plates（19、20、21）It is linked as one
Body is simultaneously fixed on the inwall of housing, wherein one section of impingement baffle corresponds to shell-side inlet, another section of impingement baffle corresponds to shell-side outlet.
2. the removable lamella heat exchanger with impingement baffle according to claim 1, it is characterized in that, core body is arranged at intervals for stacking
Polylith heat exchange plate（16）, laser welding is used between heat exchange plate.
3. the removable lamella heat exchanger according to claim 1 or claim 2 with impingement baffle, it is characterized in that, heat exchange plate surface is
Corrugated plating, the ripple's depth of corrugated plating is between 2mm-10mm, and the pitch of ripple is between 5mm-20mm.
4. the removable lamella heat exchanger with impingement baffle according to claim 1, it is characterized in that, during the multipaths of plate side, core body
Side pass through core body flange（4）With shell flange（3）Bolt connection, opposite side pass through by plate side outlet flange（7）, flange
（8）, flange（9）, gasket seal（26）, sealing ring（24）And steel loop（25）The removable flange combination structure connection of composition.
5. the removable lamella heat exchanger with impingement baffle according to claim 1, it is characterized in that, the internal diameter of housing is heat exchanger plates
1.1-2.0 times of piece diameter.
6. the removable lamella heat exchanger with impingement baffle according to claim 1, it is characterized in that, the arc length of impingement baffle arc surface
More than shell-side inlet flange and more than shell-side outlet flange inner diameter 50mm；The arc angle of arc surface is 90 ° -120 °；Arc surface
Distance between inner walls is more than 50mm；The inner surface of arc surface is not more than 30mm with the distance of heat exchange plate external diameter.
7. according to the removable lamella heat exchanger with impingement baffle of claim 1 or 6, it is characterized in that, impingement baffle is stainless steel
Or carbon steel, the minimum thickness of stainless steel is 3mm, and the minimum thickness of carbon steel is 4.5mm.
8. the removable lamella heat exchanger with impingement baffle according to claim 1, it is characterized in that, the adapter of housing connection（22）
The through hole of one end and housing connects, the other end and flange（9）Connection, the adapter of core body connection（23）With flange（9）Between be provided with
Sealing ring（24）Realize sealing, adapter（23）With flange（8）Between be provided with flange seal gasket（26）Realize sealing；Flange（8、
9）, steel loop（25）, gasket seal（26）And sealing ring（24）Pass through bolt（29）, nut（30、31）Connection, realize sealing effect
Fruit.
9. the removable lamella heat exchanger with impingement baffle according to claim 8, it is characterized in that, steel loop is two-flap type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359194.3U CN207147286U (en) | 2017-04-07 | 2017-04-07 | A kind of removable lamella heat exchanger with impingement baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359194.3U CN207147286U (en) | 2017-04-07 | 2017-04-07 | A kind of removable lamella heat exchanger with impingement baffle |
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| Publication Number | Publication Date |
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| CN207147286U true CN207147286U (en) | 2018-03-27 |
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ID=61658066
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720359194.3U Active CN207147286U (en) | 2017-04-07 | 2017-04-07 | A kind of removable lamella heat exchanger with impingement baffle |
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| Country | Link |
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| CN (1) | CN207147286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470065A (en) * | 2018-12-13 | 2019-03-15 | 艾普尔换热器(苏州)有限公司 | A kind of double core lamella heat exchanger |
-
2017
- 2017-04-07 CN CN201720359194.3U patent/CN207147286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470065A (en) * | 2018-12-13 | 2019-03-15 | 艾普尔换热器(苏州)有限公司 | A kind of double core lamella heat exchanger |
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