CN206321089U - A kind of shell-and-tube heat exchanger - Google Patents
A kind of shell-and-tube heat exchanger Download PDFInfo
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- CN206321089U CN206321089U CN201621357005.0U CN201621357005U CN206321089U CN 206321089 U CN206321089 U CN 206321089U CN 201621357005 U CN201621357005 U CN 201621357005U CN 206321089 U CN206321089 U CN 206321089U
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- heat exchanger
- shell
- tube
- shaped heat
- plate
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Abstract
The utility model belongs to field of heat exchangers, disclose a kind of shell-and-tube heat exchanger, the housing being connected including bobbin carriage and with bobbin carriage, provided with some groups of U-shaped heat exchanger tubes in the housing, the bent portion office of the U-shaped heat exchanger tube is provided with bend pipe support member, and one group of minimum U-shaped heat exchanger tube of bending radius is in tilted layout.The utility model can effectively reduce the vibration and collision produced between each U-shaped heat exchanger tube due to fluid impact by setting bend pipe support member in the bent portion office of U-shaped heat exchanger tube, it is to avoid the leakage of heat exchanger tube is damaged, and extends the service life of heat exchanger.By the way that one group of minimum U-shaped heat exchanger tube of bending radius is obliquely installed, on the basis of heat exchanger shell diameter is not changed, stringing quantity is added, heat exchange efficiency is improved.
Description
Technical field
The utility model is related to a kind of heat exchanger, more particularly to a kind of shell-and-tube heat exchanger.
Background technology
Aromatic hydrocarbons is the important source material of organic chemical industry, be as weigh a National Petrochemical industrial capacity mark it
One.Deheptanizer reboiler has weight as a kind of one of important component of aromatics production, the quality of its function to aromatics production
Big influence.
The existing generally U-shaped in cross-section shell-and-tube heat exchanger of deheptanizer reboiler, during existing use, above-mentioned de- heptane
Tower reboiler there are problems that following several：1st, the heat exchanger tube below shell-side outlet, because medium is sufficiently heated, vaporization
Increase, velocity of medium increase, causes the heat exchange pipe outer wall in the region to be washed and is thinned to leakage.2nd, the flowing shape to medium is passed through
State is analyzed, and upper several layers of heat exchanger tubes in tube bank stage casing are in the stagnant area of medium, and easily formation is rotten similar to the self-catalysis of crevice corrosion
Environment is lost, the corrosion rate of region heat exchange pipe outer wall is accelerated.3rd, in the process of running, there is vibration in tube bank, cause heat exchange
End-face friction of the pipe at deflection plate pore is thinned, and causes heat exchanger tube to leak.
Utility model content
The purpose of this utility model is to provide a kind of shell-and-tube heat exchanger, to solve the problem of heat exchanger tube damages leakage.
For up to this purpose, the utility model uses following technical scheme：
Provided with some groups of U-shapeds in a kind of shell-and-tube heat exchanger, including bobbin carriage and the housing that is connected with bobbin carriage, the housing
Heat exchanger tube, the bent portion office of the U-shaped heat exchanger tube is provided with bend pipe support member, and the minimum one group of U-shaped heat exchange of bending radius
Pipe is in tilted layout.
Preferably, the bend pipe support member includes the band steel being placed between every group of two neighboring U-shaped heat exchanger tube, it is fixed in
The middle fixing plate of band steel one end, and the vibrationproof arc plate of the band steel other end is fixed in, the middle fixing plate is fixed in shell
In vivo.
Preferably, the bend pipe support member includes being equipped with some semi-circular holes in some steel plate strips, each steel plate strip,
Relative semi-circular hole is collectively forming through hole in two neighboring steel plate strip, and the bent tube section of the U-shaped heat exchanger tube leads to through described
Hole is set, and is fixedly connected between two neighboring steel plate strip.
Preferably, one end away from bobbin carriage is provided with tail support plate in the housing, the U-shaped heat exchanger tube passes through afterbody
Supporting plate is set, and middle fixing plate is fixed on tail support plate.
Preferably, the housing is provided with correspondence shell side import in shell side import and shell-side outlet, the housing
Position is provided with shell side import supporting plate, and the position of correspondence shell-side outlet is provided with shell-side outlet supporting plate.
Preferably, being provided with some double segmental baffles in the housing, the U-shaped heat exchanger tube passes through double segmental baffle
Set.
Preferably, the double segmental baffle includes successively replacing along the direction for the bent tube section for pointing to U-shaped heat exchanger tube
The first double segmental baffle and the second double segmental baffle set.
Preferably, one end that second double segmental baffle points to shell side import offers outage, shell side is pointed to
One end of outlet offers steam vent.
Preferably, being provided with slideway in the housing, the slideway is arranged in the segmental baffle, shell side import support
On plate, shell-side outlet supporting plate and tail support plate.
Preferably, first double segmental baffle and the second double segmental baffle, shell side import supporting plate, shell side go out
Skidway hole is equipped with mouth supporting plate and tail support plate, the slideway is placed in the skidway hole.
The beneficial effects of the utility model：
1st, bend pipe support member is provided with by the bent portion office in U-shaped heat exchanger tube, each U-shaped heat exchanger tube can be effectively reduced
Between the vibration and collision that are produced due to fluid impact, it is to avoid the leakage of heat exchanger tube is damaged, and extends the use of heat exchanger
Life-span.
2nd, by the way that one group of minimum U-shaped heat exchanger tube of bending radius is obliquely installed, heat exchanger shell diameter is not being changed
On the basis of, stringing quantity is added, heat exchange efficiency is improved.
3rd, by setting tail support plate, the stability entirely restrained is added；By set shell side import supporting plate with
And shell-side outlet supporting plate, the vibration frequency of heat exchanger tube when can reduce charging and discharge, so as to reduce bundle vibration, it is to avoid
Heat exchanger tube damages leakage.
4th, by setting double segmental baffle, the flow velocity of shell side medium is not only reduced, shell side medium is reduced and U-shaped is changed
The erosion corrosion of heat pipe, extends the service life of U-shaped heat exchanger tube, also reduce the crossflow velocity of shell side, it is therefore prevented that tube bank is shaken
It is dynamic.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model shell-and-tube heat exchanger；
Fig. 2 is the structural representation of the shell side import supporting plate of the utility model shell-and-tube heat exchanger；
Fig. 3 is the structural representation of the shell-side outlet supporting plate of the utility model shell-and-tube heat exchanger；
Fig. 4 is the stringing schematic diagram of the utility model shell-and-tube heat exchanger；
Fig. 5 is the structural representation of the tail support plate of the utility model shell-and-tube heat exchanger；
Fig. 6 is the supported design schematic diagram of the U-shaped heat exchanger tube bent tube section of the utility model shell-and-tube heat exchanger；
Fig. 7 is the structural representation of the bend pipe support member of the utility model shell-and-tube heat exchanger；
Fig. 8 is the utility model Fig. 7 A to structural representation；
Fig. 9 is the structural representation of the first segmental baffle of the utility model shell-and-tube heat exchanger；
Figure 10 is the structural representation of the second segmental baffle of the utility model shell-and-tube heat exchanger；
Figure 11 is the structural representation of the bend pipe support member of the shell-and-tube heat exchanger of the utility model embodiment 2；
Figure 12 is the utility model Figure 11 A-A to sectional view.
In figure：
1st, bobbin carriage；2nd, housing；3rd, U-shaped heat exchanger tube；4th, bend pipe support member；5th, tail support plate；6th, shell side import supporting plate；
7th, shell-side outlet supporting plate；8th, double segmental baffle；9th, slideway；10th, skidway hole；21st, shell side import；22nd, shell-side outlet；41、
Band steel；42nd, middle fixing plate；43rd, vibrationproof arc plate；4a, steel plate strip；81st, the first double segmental baffle；82nd, the second bouble-bow shape
Deflection plate；821st, outage；822nd, steam vent.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Embodiment 1：
The present embodiment provides a kind of shell-and-tube heat exchanger, as shown in figure 1, the shell-and-tube heat exchanger includes bobbin carriage 1 and bobbin carriage
The housing 2 and some groups of U-shaped heat exchanger tubes 3 in housing 2 of 1 connection, above-mentioned some groups of U-shaped heat exchanger tubes 3 constitute tube bank,
Bend pipe support member 4, tail support plate 5, shell side import supporting plate 6, shell-side outlet supporting plate 7, bouble-bow shape folding are additionally provided with housing 2
Plate 8 and slideway 9 are flowed, wherein above-mentioned U-shaped heat exchanger tube 3 is arranged in bend pipe support member 4, tail support plate 5, shell side import supporting plate
6th, shell-side outlet supporting plate 7, on double segmental baffle 8.
Shell side import 21 is provided with the side of housing 2, opposite side is provided with two shell-side outlets 22, the correspondence shell in housing 2
The position of journey import 21 is provided with above-mentioned shell side import supporting plate 6, is supported in the position of correspondence shell-side outlet 22 provided with shell-side outlet
Plate 7.The specific shell side import supporting plate 6 is full supporting plate structure, as shown in Fig. 2 in the upper end pair of shell side import supporting plate 6
Claim provided with two skidway holes 10, for setting up slideway 9；Above-mentioned shell-side outlet supporting plate 7 is sketch plate structure, as shown in figure 3, its
Specially approximate T-shape structure, two skidway holes 10 for setting up slideway 9 are arranged with its lower end.By setting shell side import branch
Fagging 6 and shell-side outlet supporting plate 7, U-shaped heat exchanger tube damages 3 vibration frequency when can reduce charging and discharge, so as to reduce pipe
The vibration of beam, it is to avoid U-shaped heat exchanger tube 3 damages leakage.
The bent tube sections of above-mentioned some groups of U-shaped heat exchanger tubes 3 is located at the one end of housing 2 away from bobbin carriage 1, and the bent tube section
Bending radius is ascending to be set, i.e., one group of U-shaped heat exchanger tube 3 parcel positioned at outside is located at that group of U-shaped heat exchanger tube 3 of inner side,
Wherein as shown in figure 4, one group of minimum U-shaped heat exchanger tube 3 of bending radius is obliquely installed, angle of inclination is set according to actual needs,
It is preferable to provide in the present embodiment as 15 ° -30 °.One group of minimum U-shaped heat exchanger tube 3 of bending radius is obliquely installed, not changed
On the basis of heat exchanger shell diameter, stringing quantity is added, heat exchange efficiency can be effectively improved.
Tail support plate 5 is arranged in the one end of housing 2 away from bobbin carriage 1, is specifically provided in above-mentioned some groups of U-shapeds heat exchange
Pipe 3 is provided with one end of bent tube section, the stability entirely restrained is added by the tail support plate 5, specifically, such as Fig. 5 institutes
Show, be provided with rectangle square hole 51 in the middle of the tail support plate 5, it is used for the circulation for meeting medium.In its upper and lower ends difference
Two skidway holes 10 are arranged with, for setting up slideway 9.
In the present embodiment, GB151-1999《Shell-and-tube heat exchanger》And GB/T151-2014《Heat exchanger》In to U-shaped
The support of heat exchanger tube bent tube section proposes requirement, i.e.,：As shown in fig. 6, the afterbody of U-shaped heat exchanger tube 3 plays branch close to bent tube section
The deflection plate of support effect, its physical dimension A+B+C sums should be not more than the maximum no-support spaning distance in above-mentioned national standard.Therefore
The present embodiment is provided with above-mentioned bend pipe support member 4 in the bent portion office of U-shaped heat exchanger tube 3, passes through the bend pipe support member 4 realization pair
The support of the bent tube section of U-shaped heat exchanger tube 3.
Specifically, as shown in Figure 7 and Figure 8, bend pipe support member 4 includes some band steels 41, middle fixing plate 42 and prevented
Shaken arc plate 43, and wherein band steel 41 is placed between every group of two neighboring U-shaped heat exchanger tube 3, above-mentioned middle fixing plate 42 and vibrationproof
Arc plate 43 is each perpendicular to band steel 41 and set, and one end fluting of specifically band steel 41 is connected and welded with middle fixing plate 42, separately
One end fluting is connected and welded with vibrationproof arc plate 43, forms firm bend pipe support member 4.Middle fixing plate 42 is fixed in afterbody
In supporting plate 5.When assembling above-mentioned bend pipe support member 4, its assembling process is：Before U-shaped heat exchanger tube 3 is worn, middle fixing plate
42 are first welded with tail support plate 5, and the outermost band steel 41 in both sides and middle fixing plate 42 use sequential welding are welded, in the middle of remaining
Band steel 41 be equidistantly welded on middle fixing plate 42, after the completion of U-shaped heat exchanger tube 3 is worn, vibrationproof arc plate 43 is installed, and
Welded with all band steels 41.
By setting above-mentioned bend pipe support member 4, can effectively reduce produced due to fluid impact between each U-shaped heat exchanger tube 3
Raw vibration and collision, it is to avoid the leakage of U-shaped heat exchanger tube 3 is damaged, and extends the service life of heat exchanger.
In the present embodiment, double segmental baffle 8 is set to multiple, by setting above-mentioned double segmental baffle 8, not only reduces
The flow velocity of shell side medium, reduces erosion corrosion of the shell side medium to U-shaped heat exchanger tube 3, extends the use of U-shaped heat exchanger tube 3
In the life-span, also reduce the crossflow velocity of shell side, it is therefore prevented that bundle vibration.
Above-mentioned double segmental baffle 8 includes the be arranged alternately successively along the direction for the bent tube section for pointing to U-shaped heat exchanger tube 3
One double segmental baffle 81 and the second double segmental baffle 82, as shown in figure 9, the upper and lower ends pair of the first double segmental baffle 81
Claim provided with two skidway holes 10, for setting up slideway 9.As shown in Figure 10, the second double segmental baffle 82 is same in upper and lower ends
It is arranged with two skidway holes 10 for setting up slideway 9.And second double segmental baffle 82 point to one end of shell side import 21
Outage 821 is offered, the one end for pointing to shell-side outlet 22 offers steam vent 822, by setting outage 821 and exhaust
Hole 822, can make liquid and gas circulate more smooth, and the setting of steam vent 822 efficiently solves existing pipe
Upper several layers of U-shaped heat exchanger tubes in beam stage casing are in the stagnant area of medium, easily form the self-catalysis corrosive environment similar to crevice corrosion,
The problem of causing U-shaped heat exchanger tube corrosion leakage, the service life of extension U-shaped heat exchanger tube 3.
In the present embodiment, on shell side import supporting plate 6, shell-side outlet supporting plate 7 and tail support plate 5 as needed
Outage or steam vent are provided with, the circulation for liquid or gas.
In the present embodiment, slideway 9 is set to multiple, and it is uniform to be arranged in housing 2, and it is located in arch baffling respectively
On the skidway hole 10 of plate 8 and tail support plate 5, by setting slideway 9, the firm of tube bank on the one hand can be effectively increased
Degree, it is to avoid the phenomenon that overbending and sinter layer come off occurs in tube bank U-shaped heat exchanger tube 3 in hoisting process, on the other hand
Also allow for taking out tubulature beam.
Embodiment 2：
The present embodiment and the difference of embodiment 1 are that the structure of bend pipe support member 4 is different, remaining structure with embodiment 1
Identical, therefore, the present embodiment is no longer repeated here to remaining structure, and only the structure to the bend pipe support member 4 of the present embodiment is subject to
Explanation.
As shown in figs. 11 and 12, the bend pipe support member 4 of the present embodiment includes some steel plate strip 4a, each steel plate strip 4a
On be equipped with semi-circular hole relative on some semi-circular hole (not shown)s, two neighboring steel plate strip 4a be collectively forming it is logical
Hole, the bent tube section of U-shaped heat exchanger tube 3 is set through through hole, is fixedly connected between two neighboring steel plate strip 4a.Carrying out the bend pipe
During the installation of support member 4, it can first produce first in one piece of supporting plate, the supporting plate and offer hole, its perforate and bouble-bow shape
The perforate of deflection plate 8 is consistent, can with the formulated of double segmental baffle 8, after the completion of need along the center of every group of U-shaped heat exchanger tube 3
Line (1,2,3 etc. shown in Figure 12) cuts into several piece steel plate strip 4a, during cutting, need to control the gap between each steel plate strip 4a
Can not be too big, and every piece of steel plate strip 4a is numbered, correspondence when being easily installed.During assembling tube bank, from inside to outside, one is often installed
During group U-shaped heat exchanger tube 3, one piece of steel plate strip 4a is just put into its both sides, then adjacent two pieces of steel plate strip 4a (are removed into pipe at solderable place
Bridge) continuously welded, the U-shaped heat exchanger tube 3 of adjacent sets is subsequently mounted, the rest may be inferred, until the outermost He of U-shaped heat exchanger tube 3
Steel plate strip 4 is installed.Pass through the structure of this kind of bend pipe support member 4, its applicable various stringing pattern.
Obviously, above-described embodiment of the present utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in
Within the utility model scope of the claims.
Claims (10)
1. a kind of shell-and-tube heat exchanger, including bobbin carriage (1) and the housing (2) that is connected with bobbin carriage (1), is set in the housing (2)
There are some groups of U-shaped heat exchanger tubes (3), it is characterised in that the bent portion office of the U-shaped heat exchanger tube (3) is provided with bend pipe support member
, and one group of minimum U-shaped heat exchanger tube (3) of bending radius is in tilted layout (4).
2. shell-and-tube heat exchanger according to claim 1, it is characterised in that the bend pipe support member (4) includes being placed in often
Band steel (41) between the two neighboring U-shaped heat exchanger tube (3) of group, is fixed in the middle fixing plate (42) of band steel (41) one end, and
The vibrationproof arc plate (43) of band steel (41) other end is fixed in, the middle fixing plate (42) is fixed in housing (2).
3. shell-and-tube heat exchanger according to claim 1, it is characterised in that the bend pipe support member (4) includes some steel
Semicircle relative on some semi-circular holes, two neighboring steel plate strip (4a) is equipped with lath (4a), each steel plate strip (4a)
Hole is collectively forming through hole, and the bent tube section of the U-shaped heat exchanger tube (3) is set through the through hole, two neighboring steel plate strip (4a)
Between be fixedly connected.
4. shell-and-tube heat exchanger according to claim 2, it is characterised in that the one of remote bobbin carriage (1) in the housing (2)
End is provided with tail support plate (5), and the U-shaped heat exchanger tube (3) is set through tail support plate (5), and middle fixing plate (42) is affixed
On tail support plate (5).
5. shell-and-tube heat exchanger according to claim 4, it is characterised in that the housing (2) is provided with shell side import
(21) and shell-side outlet (22), the position of correspondence shell side import (21) is provided with shell side import supporting plate in the housing (2)
(6), the position of correspondence shell-side outlet (22) is provided with shell-side outlet supporting plate (7).
6. shell-and-tube heat exchanger according to claim 5, it is characterised in that some bouble-bow shapes are provided with the housing (2)
Deflection plate (8), the U-shaped heat exchanger tube (3) is set through double segmental baffle (8).
7. shell-and-tube heat exchanger according to claim 6, it is characterised in that the double segmental baffle (8) includes edge and referred to
The first double segmental baffle (81) being arranged alternately successively to the direction of the bent tube section of U-shaped heat exchanger tube (3) and the second bouble-bow shape
Deflection plate (82).
8. shell-and-tube heat exchanger according to claim 7, it is characterised in that second double segmental baffle (82) is pointed to
One end of shell side import (21) offers outage (821), and the one end for pointing to shell-side outlet (22) offers steam vent (822).
9. shell-and-tube heat exchanger according to claim 8, it is characterised in that slideway (9), institute are provided with the housing (2)
State slideway (9) and be arranged in the segmental baffle (8), shell side import supporting plate (6), shell-side outlet supporting plate (7) and afterbody
In supporting plate (5).
10. shell-and-tube heat exchanger according to claim 9, it is characterised in that first double segmental baffle (81),
It is all provided with two double segmental baffles (82), shell side import supporting plate (6), shell-side outlet supporting plate (7) and tail support plate (5)
There is skidway hole (10), the slideway (9) is placed in the skidway hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357005.0U CN206321089U (en) | 2016-12-12 | 2016-12-12 | A kind of shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357005.0U CN206321089U (en) | 2016-12-12 | 2016-12-12 | A kind of shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321089U true CN206321089U (en) | 2017-07-11 |
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ID=59267680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621357005.0U Active CN206321089U (en) | 2016-12-12 | 2016-12-12 | A kind of shell-and-tube heat exchanger |
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| CN (1) | CN206321089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546111A (en) * | 2016-12-12 | 2017-03-29 | 北京广厦环能科技股份有限公司 | A kind of shell-and-tube heat exchanger |
-
2016
- 2016-12-12 CN CN201621357005.0U patent/CN206321089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546111A (en) * | 2016-12-12 | 2017-03-29 | 北京广厦环能科技股份有限公司 | A kind of shell-and-tube heat exchanger |
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