CN107504856A - Sealing guiding pad and heat exchanger bobbin carriage for heat exchanger bobbin carriage - Google Patents
Sealing guiding pad and heat exchanger bobbin carriage for heat exchanger bobbin carriage Download PDFInfo
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- CN107504856A CN107504856A CN201710702607.8A CN201710702607A CN107504856A CN 107504856 A CN107504856 A CN 107504856A CN 201710702607 A CN201710702607 A CN 201710702607A CN 107504856 A CN107504856 A CN 107504856A
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- Prior art keywords
- bobbin carriage
- heat exchanger
- journey
- shim body
- chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to technical field of heat exchange, more particularly to a kind of sealing guiding pad for heat exchanger bobbin carriage, including shim body；Shim body has hollow space, and the hollow space of shim body, which is provided with, divides journey crane span structure, and the hollow space of shim body is separated into a disengaging chamber and at least two point journey chamber by point journey crane span structure；Shim body has the annular sealing surface for being used for contacting with bobbin carriage end socket and housing tube sheet, and shim body is tightly connected by annular sealing surface and bobbin carriage end socket and housing tube sheet；Divide journey crane span structure to be used to abut with bobbin carriage end socket and housing tube sheet, will be sealed between each fluid tube side.The sealing guiding pad, the part that shim body removes beyond hollow space form effective sealing surface, and sealing area is sufficiently large so that sealing property is more reliable；And shim body hollow space sets and divides journey crane span structure, not only acts as a point Cheng Zuoyong, improves heat transfer coefficient, and the effect sealed between each tube side is also acted as, make the sealing between each tube side also reliable.
Description
Technical field
The present invention relates to technical field of heat exchange, more particularly to a kind of sealing guiding pad for heat exchanger bobbin carriage and changes
Hot device bobbin carriage.
Background technology
General fixed tube-sheet exchanger is generally made up of bobbin carriage, housing, heat-exchanging tube bundle, tube sheet etc., and wherein bobbin carriage is located at
The both ends of fixed tube-sheet exchanger.The effect of bobbin carriage is that the fluid come from pipeline is uniformly distributed in each heat exchanger tube
In, while the fluid in heat exchanger tube is pooled together again and sends out heat exchanger by exporting.In multi-tube pass heat exchanger, bobbin carriage
Also act as and change fluid flow direction, improve the effect of heat exchange efficiency.
As shown in Figure 1, current fixed tube-sheet exchanger bobbin carriage conventional structure is by 1-1 end sockets (flat cover), 1-2 cylinders
Body, 1-3 flanges, 1-4 pass partitions etc. form.1-1 end sockets (flat cover), 1-2 cylinders, 1-3 flanges are by being welded to connect composition chamber
Body, 1-4 pass partitions are welded in the cavity being made up of 1-1 end sockets (flat cover), 1-2 cylinders, 1-3 flanges.Bobbin carriage passes through 1-3 methods
Blue and housing tube sheet bolt connection, annular sealing gaskets typically is embedded in 1-3 flanges, sealed so that bobbin carriage is formed with housing tube sheet
Connection.After bobbin carriage is connected with housing tube sheet, 1-4 pass partitions play a part of sealing between point journey and each tube side.
But such channel structure common problem has：
1st, the sealing surface of pass partition and flange composition is narrow, and sealing surface often leaks in equipment running process, warp
Often need to change pad；And it can not avoid because its welded flatness of pass partition, perpendicularity are difficult to ensure that, caused each pipe
The insecure problem of sealing between journey.
2nd, influenceed by cylinder size, pass partition setting limited amount, fluid countercurrent current number of passes is few in heat exchanger tube, heat transfer system
Number is low.
The content of the invention
Based on this, it is necessary to it is unreliable for sealing existing for traditional channel structure, and flow is few, heat transfer coefficient is low
The problems such as, there is provided a kind of sealed reliable, and the sealing for heat exchanger bobbin carriage that can improve heat transfer coefficient of heat exchanger is oriented to
Pad, while additionally provide a kind of heat exchanger bobbin carriage for the sealing guiding pad for being used for heat exchanger bobbin carriage comprising this.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of sealing guiding pad for heat exchanger bobbin carriage, including shim body；Shim body has hollow space, pad
The hollow space of body, which is provided with, divides journey crane span structure, and the hollow space of shim body is separated into a disengaging chamber and extremely by point journey crane span structure
Few more than two points of journey chambers；
Disengaging chamber is used to connect with the fluid inlet or fluid issuing of bobbin carriage end socket；At least two divides journey chamber
Room be used for each self-corresponding pipeline connection, to form fluid tube side respectively；
The part that shim body is removed beyond hollow space forms the annular for being contacted with bobbin carriage end socket and housing tube sheet
Sealing surface, shim body are tightly connected by annular sealing surface and bobbin carriage end socket and housing tube sheet；Point journey crane span structure is used for and bobbin carriage
End socket and housing tube sheet abut, and will be sealed between each fluid tube side.
In one of the embodiments, it is identical with the quantity for the heat exchanger tube that the pipeline of each point of journey chamber includes.
In one of the embodiments, the quantity of heat exchanger tube included with passing in and out the pipeline of chamber is and each point of journey
The half of the quantity for the heat exchanger tube that the pipeline of chamber includes.
In one of the embodiments, pass in and out chamber and the cross sectional shape of point journey chamber is surrounded by straightway, or by justifying
Segmental arc surrounds, or is surrounded by the combination of straightway and arc section.
In one of the embodiments, in shim body, multiple peaces are sequentially arranged at intervals with along the circumference of annular sealing surface
Fill hole.
In one of the embodiments, on the axial direction of shim body, journey crane span structure is divided and positioned at multiple mounting holes
The surface for the shim body that the surface of the shim body of inner side is protruded from the outside of multiple mounting holes.
In one of the embodiments, the thickness of shim body is 5mm-50mm.
In one of the embodiments, the width of annular sealing surface is at least 10mm.
A kind of heat exchanger bobbin carriage, including bobbin carriage end socket and housing tube sheet, in addition to as above described in any one be used for exchange heat
The sealing guiding pad of device bobbin carriage；Sealing guiding pad is arranged between bobbin carriage end socket and housing tube sheet.
In one of the embodiments, bobbin carriage end socket is flat head or convex head.
The above-mentioned sealing guiding pad for heat exchanger bobbin carriage, the part that shim body removes beyond hollow space have been formed
The sealing surface of effect, sealing area are sufficiently large so that after bobbin carriage end socket is connected by the sealing surface of shim body with housing tube sheet,
Fluid is bigger by the flow resistance of sealing surface, and sealing property is more reliable；And shim body hollow space sets and divides journey crane span structure, uses
Abutted in bobbin carriage end socket and housing tube sheet, not only act as a point Cheng Zuoyong, improve heat transfer coefficient, and also act as each tube side it
Between the effect that seals, make the sealing between each tube side also reliable.
Because the sealing guiding pad for heat exchanger bobbin carriage has above-mentioned technique effect, include this and be used for heat exchanger bobbin carriage
Sealing guiding pad also there is corresponding technique effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of traditional channel structure；
Fig. 2 is the structural perspective of the sealing guiding pad provided in an embodiment of the present invention for heat exchanger bobbin carriage；
Fig. 3 is the schematic front view of the sealing guiding pad provided in an embodiment of the present invention for heat exchanger bobbin carriage；
Fig. 4 is the signal that the sealing guiding pad provided in an embodiment of the present invention for heat exchanger bobbin carriage coordinates with housing tube sheet
Figure；
Fig. 5 is Fig. 4 B to schematic diagram；
Fig. 6 is the structural blast schematic diagram of heat exchanger bobbin carriage provided in an embodiment of the present invention.
Wherein：
100- shim bodies；
110- divides journey crane span structure；120- passes in and out chamber；130- divides journey chamber；
140- annular sealing surfaces；141- mounting holes；
200- bobbin carriage end sockets；
210- fluid inlets；
300- housing tube sheets.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and combine attached
Figure, the sealing guiding pad and heat exchanger bobbin carriage for heat exchanger bobbin carriage of the present invention is further elaborated.It should manage
Solution, specific embodiment described herein only to explain the present invention, are not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
As shown in Fig. 2, Fig. 3 and Fig. 6, the sealing guiding pad for heat exchanger bobbin carriage of one embodiment of the invention, including pad
Piece body 100；Shim body 100 has hollow space, and the hollow space of shim body 100, which is provided with, divides journey crane span structure 110, divides Cheng Qiao
The hollow space of shim body 100 is separated into a disengaging chamber 120 and at least two point journey chamber 130 by frame 110；
Disengaging chamber 120 is used to connect with the fluid inlet 210 or fluid issuing of bobbin carriage end socket 200；At least two with
On divide journey chamber 130 be used for each self-corresponding pipeline connection, to form fluid tube side respectively；
The part that shim body 100 is removed beyond hollow space is formed for being connect with bobbin carriage end socket 200 and housing tube sheet 300
Tactile annular sealing surface 140, shim body 100 are sealed by annular sealing surface 140 and bobbin carriage end socket 200 and housing tube sheet 300
Connection；Point journey crane span structure 110 is used to abut with bobbin carriage end socket 200 and housing tube sheet 300, will be sealed between each fluid tube side.
Wherein, shim body 100 preferably uses nonmetallic materials, such as PTFE (polytetrafluoroethylene (PTFE)) etc. to be more suitable as
The material of gasket seal.The thickness of shim body 100 can be 5mm-50mm.
The both ends of general heat exchanger are equipped with bobbin carriage, are referred to as front header and rear header, and the fluid inlet of heat exchanger
210 and fluid issuing be divided on front header and rear header.The sealing guiding pad of the present invention, cannot be only used in front header,
Available in rear header, when sealing guiding pad in the front header provided with fluid inlet 210, disengaging chamber 120 is used to connect
Logical fluid inlet 210, when sealing guiding pad in the rear header provided with fluid issuing, disengaging chamber 120 is used to connect stream
Body exports.
Below by seal guiding pad be used for be provided with fluid inlet 210 front header exemplified by illustrate.
Because hollow space is separated at least two point journey chamber 130 by point journey crane span structure 110, each divide journey chamber
130 with each self-corresponding pipeline connection, it is thus possible to form the fluid tube side consistent with point quantity of journey chamber 130, so, lead to
It is multiple that undue journey crane span structure 110 can be divided into bobbin carriage fluid flow, during applied to heat exchanger, fluid is repeatedly come in heat exchanger tube
Backflow is dynamic, so, at the time of must having that fluid flow direction flows to opposite with fluid in shell side in multiple heat exchanger tubes, is commonly called as countercurrently
Journey, because the heat transfer system that the ratio of heat transfer coefficient following current of countercurrent heat-transfer is conducted heat is high, adverse current number of passes is more, then heat transfer coefficient is high.
During specific making, it is only necessary to worn in the position of the corresponding disengaging chamber 120 of shim body 100 and point journey chamber 130
Hole, to form disengaging chamber 120 and divide journey chamber 130, and the connection wall between chamber and chamber is above-mentioned point journey
Crane span structure 110.Compared to traditional mode that pass partition is welded in cavity and carries out chamber and divides journey, sealing guiding pad of the invention
More point journey chamber 130 can be set.And when bobbin carriage end socket 200 and housing tube sheet 300 connect, divide journey crane span structure 110
Abutted respectively with bobbin carriage end socket 200 and housing tube sheet 300 so that sealed reliable between each fluid tube side.So, biography is avoided the occurrence of
Tube side seals insecure problem caused by welding pass partition in the cavity formed in end socket, cylinder, flange of system.
It is used for and bobbin carriage end socket 200 and housing tube sheet in addition, the part that shim body 100 is removed beyond hollow space is formed
300 contact annular sealing surfaces 140, sealing area is sufficiently large, when bobbin carriage end socket 200, sealing guiding pad and housing tube sheet 300 according to
After secondary connection, fluid is bigger by the flow resistance of sealing surface so that the sealing between bobbin carriage end socket 200 and housing tube sheet 300
More reliable performance.
As a kind of enforceable mode, the quantity phase for the heat exchanger tube that the pipeline connected with each point of journey chamber 130 includes
Together.So, it is unified by the heat exchanger tube quantity for making to include in each fluid tube side, so as to control flow phase in each tube side of heat exchanger
It is uniform Deng, rate of flow of fluid, realize preferable heat transfer effect.
As a kind of enforceable mode, the quantity of the heat exchanger tube that the pipeline that is connected with disengaging chamber 120 includes be with often
The half of the quantity for the heat exchanger tube that the pipeline that individual point of journey chamber 130 connects includes.
Specifically, because disengaging chamber 120 is only used for the one-way flow of fluid, i.e., when sealing guiding pad is used to be provided with fluid
When in the front header of import 210, fluid enters each heat exchanger tube of connection corresponding with the disengaging chamber 120 by passing in and out chamber 120；
When sealing guiding pad in the rear header provided with fluid issuing, in each heat exchanger tube of connection corresponding with disengaging chamber 120
Fluid is exported to heat exchanger by passing in and out chamber 120.And each it is divided to journey chamber 130 to be divided into two equal regions,
One region is used to make the fluid in each heat exchanger tube with the regional connectivity to enter this point of journey chamber 130, and the fluid of entrance from
This point of journey chamber 130 is flowed out in another region, and enters in each heat exchanger tube with another regional connectivity.Therefore, pass through
The quantity for the heat exchanger tube for making to include with the pipeline that disengaging chamber 120 connects is that the pipeline connected with each point of journey chamber 130 includes
Heat exchanger tube quantity half, to be further ensured that flow is equal in each tube side of heat exchanger, rate of flow of fluid is uniform, realize preferable
Heat transfer effect.
Referring to Fig. 4 and Fig. 5, as a kind of enforceable mode, disengaging chamber 120 and the cross sectional shape for dividing journey chamber 130
Surrounded by straightway, or surrounded by arc section, or surrounded by the combination of straightway and arc section.It is preferred that disengaging chamber
The cross sectional shape of room 120 and point journey chamber 130 is surrounded by the combination of straightway and arc section.
Specifically, after the heat exchanger tube on housing tube sheet 300, which is laid out, to be come, according to heat exchanger tube in housing in CAD software
The position arranged in tube sheet 300, and the single tube journey heat exchanger tube quantity by being calculated, the line of demarcation of each chamber is drawn,
Namely divide journey crane span structure 110, in other words divide on the corresponding housing tube sheet 300 of journey crane span structure 110 the bridge region for the pore that exchanges heat.Due to
Divide the bridge region of the corresponding heat exchange pore of journey crane span structure 110, therefore, divide the cross-sectional shapes of journey crane span structure 110 to correspond to the pipe of each heat exchanger tube
The shape (by the waveform that roundlet segmental arc is formed by connecting one by one) that wall is formed by connecting, and the shim body of corresponding no pore
100 part, directly it can be connected by straight line, final shim body 100 forms the chamber closed one by one with a point journey crane span structure 110.
Wherein, it can be calculated according to technological parameters such as bobbin carriage inlet flow rate, heat exchanger tube rate of flow of fluids and determine single tube journey heat exchanger tube
Quantity.For example, negotiable different heat transferring medium in heat exchanger tube, it is contemplated that heat exchange efficiency, the flow velocity of its control of different medium
It is different.Assuming that the flow set of tube side import is Q m3/ h, it is v m/h to control flow velocity of the medium in heat exchanger tube, then needs
Heat exchanger tube quantity summation inner section product be S=Q/v.The internal diameter that heat exchanger tube specification is chosen in design is di, then in single tube side
Heat exchanger tube quantity n=4S/ (π di2).Therefore disengaging chamber 120 is n comprising heat exchanger tube quantity, and each point of journey chamber 130 includes heat exchange
Pipe quantity is 2n.So, by accurately calculating, rational arrangement so that it is reasonable to seal each chamber design of guiding pad, realizes
Preferably sealing divides Cheng Xiaoguo.
Referring to Fig. 2, Fig. 3 and Fig. 6, as a kind of enforceable mode, in shim body 100, along annular sealing surface 140
Circumferentially it is sequentially arranged at intervals with multiple mounting holes 141.Accordingly, bobbin carriage end socket 200 and housing tube sheet 300 be also equipped with
Fixing hole corresponding to multiple mounting holes 141, during connection, pass through the fixing hole of screw bolt passes bobbin carriage end socket 200, shim body
100 mounting hole 141 and the fixing hole of housing tube sheet 300, realize shim body 100 and bobbin carriage end socket 200 and housing pipe
The sealed connection of plate 300, so as to ensure that the sealing reliability of bobbin carriage end socket 200 and housing tube sheet 300.
The width of the annular sealing surface 140 of the sealing guiding pad of the embodiment of the present invention is the 2 of conventional pads seal f ace width
More than times, selectively, the width of annular sealing surface 140 is at least 10mm.In other words, the most narrow place of sealing surface also has 10mm's
Width, therefore better seal effect can be played, ensure the sealing reliability of bobbin carriage end socket 200 and housing tube sheet 300.
As a kind of enforceable mode, on the axial direction of shim body 100, divide journey crane span structure 110 and positioned at more
The surface of the shim body 100 of the individual inner side of mounting hole 141 protrudes from the shim body 100 positioned at multiple outsides of mounting hole 141
Surface.
By being so designed that, the inboard portion of shim body 100 is protruded from Outboard Sections, shim body 100 can be made
Both ends be respectively formed projection platform structure, correspondingly, bobbin carriage end socket 200, and housing tube sheet 300 to should platform structure can
Be respectively equipped with the groove part of cooperation, be so designed that, on the one hand cause bobbin carriage end socket 200, and housing tube sheet 300 respectively with pad
The contact area of piece body 100 further increases, and further enhances the reliability of sealing, on the other hand, also to bobbin carriage end socket
200 with the connection of shim body 100, and housing tube sheet 300 and the connection of shim body 100, serve the effect of positioning, profit
In Kong Yukong alignment.
In other embodiments, it can also be on the axial direction of shim body 100, point journey crane span structure 110 and be located at
The surface of the shim body 100 of multiple inner sides of mounting hole 141 recesses at the shim body positioned at multiple outsides of mounting hole 141
100 surface, even if the both ends of shim body 100 are respectively formed groove, and corresponding make bobbin carriage end socket 200, and housing
The groove of the corresponding shim body 100 of tube sheet 300 is respectively equipped with the platform structure of projection.
Referring to Fig. 6, the embodiment of the present invention additionally provides a kind of heat exchanger bobbin carriage, including bobbin carriage end socket 200 and housing tube sheet
300, in addition to the as above sealing guiding pad for heat exchanger bobbin carriage described in any embodiment；Sealing guiding pad is arranged on bobbin carriage
Between end socket 200 and housing tube sheet 300.
Wherein, bobbin carriage end socket 200 can use flat head, can also use convex head.
The heat exchanger bobbin carriage of the embodiment of the present invention eliminates traditional flange arrangement, and bobbin carriage inner chamber without welding a point journey again
Dividing plate, one need to be only added between bobbin carriage end socket 200 and housing tube sheet 300 and makes simple, ready-made sealing guiding pad, i.e.,
Reliable bobbin carriage sealing can be achieved and divide the effect of journey water conservancy diversion.
When being applied particularly in heat exchanger, heat exchanger both ends are equipped with the heat exchanger bobbin carriage of an embodiment of the present invention, can
Referred to as front header and rear header.
Heat exchanger work when, fluid by front header fluid inlet enter disengaging chamber, subsequently enter in housing unit with
Pass in and out corresponding to chamber in each heat exchanger tube, one of them of the rear header of fluid inflow afterwards is divided in journey chamber, and now fluid is at this
Divide in journey chamber room and once flow direction change occurs, i.e., entered down by the pore that exchanged heat corresponding to second half region in this point of journey chamber room
In each heat exchanger tube of one tube side, it flow back into after heat exchanger tube in one of them point of journey chamber of front header, now flows again
Body occurs once to flow to change in this point of journey chamber room, is entered again by the pore that exchanged heat corresponding to second half region in this point of journey chamber room
In the heat exchanger tube for entering next tube side.Fluid is in forward and backward bobbin carriage, and the stream in heat exchanger tube in housing unit so back and forth
It is dynamic, until disengaging chamber outflow heat exchanger of the fluid by rear header.During being somebody's turn to do, adverse current number of passes is more, and heat transfer coefficient is high, each chamber
Flow is equal, and rate of flow of fluid is uniform, good effect of heat exchange.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of sealing guiding pad for heat exchanger bobbin carriage, it is characterised in that including shim body (100)；The pad sheet
Body (100) has hollow space, and the hollow space of the shim body (100), which is provided with, divides journey crane span structure (110), described to divide journey crane span structure
(110) hollow space of the shim body (100) is separated into a disengaging chamber (120) and at least two point journey
Chamber (130)；
The disengaging chamber (120) is used to connect with the fluid inlet (210) or fluid issuing of bobbin carriage end socket (200)；It is described
It is at least two divide journey chamber (130) be used for each self-corresponding pipeline connection, to form fluid tube side respectively；
The part that the shim body (100) is removed beyond hollow space, which is formed, to be used for and bobbin carriage end socket (200) and housing tube sheet
(300) annular sealing surface (140) of contact, the shim body (100) pass through the annular sealing surface (140) and bobbin carriage end socket
(200) it is tightly connected with housing tube sheet (300)；Described point of journey crane span structure (110) is used for and bobbin carriage end socket (200) and housing tube sheet
(300) abut, will be sealed between each fluid tube side.
2. the sealing guiding pad according to claim 1 for heat exchanger bobbin carriage, it is characterised in that described divide journey with each
The quantity for the heat exchanger tube that the pipeline of chamber (130) connection includes is identical.
3. the sealing guiding pad according to claim 1 for heat exchanger bobbin carriage, it is characterised in that with the disengaging chamber
(120) quantity of heat exchanger tube that the pipeline of connection includes is changing of including of the pipeline connected with each described point of journey chamber (130)
The half of the quantity of heat pipe.
4. the sealing guiding pad for heat exchanger bobbin carriage according to claim any one of 1-3, it is characterised in that it is described enter
The cross sectional shape for going out chamber (120) and described point of journey chamber (130) is surrounded by straightway, or is surrounded by arc section, or
Surrounded by the combination of straightway and arc section.
5. the sealing guiding pad according to claim 1 for heat exchanger bobbin carriage, it is characterised in that the shim body
(100) on, multiple mounting holes (141) circumferentially are sequentially arranged at intervals with along the annular sealing surface (140).
6. the sealing guiding pad according to claim 5 for heat exchanger bobbin carriage, it is characterised in that in the shim body
(100) it is described to divide journey crane span structure (110) and the pad on the inside of multiple mounting holes (141) on axial direction
The surface for the shim body (100) that the surface of body (100) is protruded from the outside of multiple mounting holes (141).
7. the sealing guiding pad according to claim 1 for heat exchanger bobbin carriage, it is characterised in that the shim body
(100) thickness is 5mm-50mm.
8. the sealing guiding pad according to claim 1 for heat exchanger bobbin carriage, it is characterised in that the annular sealing surface
(140) width is at least 10mm.
9. a kind of heat exchanger bobbin carriage, including bobbin carriage end socket (200) and housing tube sheet (300), it is characterised in that also include such as right
It is required that the sealing guiding pad for heat exchanger bobbin carriage described in any one of 1-8；The sealing guiding pad is arranged on the bobbin carriage envelope
Between head (200) and the housing tube sheet (300).
10. heat exchanger bobbin carriage according to claim 9, it is characterised in that the bobbin carriage end socket (200) be flat head or
Person's convex head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702607.8A CN107504856A (en) | 2017-08-16 | 2017-08-16 | Sealing guiding pad and heat exchanger bobbin carriage for heat exchanger bobbin carriage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702607.8A CN107504856A (en) | 2017-08-16 | 2017-08-16 | Sealing guiding pad and heat exchanger bobbin carriage for heat exchanger bobbin carriage |
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| CN107504856A true CN107504856A (en) | 2017-12-22 |
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Cited By (2)
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| CN108168327A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of heat exchanging body |
| CN110160247A (en) * | 2018-02-14 | 2019-08-23 | 建准电机工业股份有限公司 | The guide duct of air-flow switch |
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