CN207716930U - A kind of detachable straight pipe heat exchanger of core - Google Patents
A kind of detachable straight pipe heat exchanger of core Download PDFInfo
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- CN207716930U CN207716930U CN201820042683.0U CN201820042683U CN207716930U CN 207716930 U CN207716930 U CN 207716930U CN 201820042683 U CN201820042683 U CN 201820042683U CN 207716930 U CN207716930 U CN 207716930U
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- shell
- tube sheet
- heat exchanger
- bobbin carriage
- tube
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Abstract
The utility model discloses a kind of detachable straight pipe heat exchanger of core, the diameter of first tube sheet is more than the internal diameter of the shell, it exposes the outer perimeter section of the shell and is seated between the first channel flange and the shell flange of respective side, and first tube sheet separates first bobbin carriage with shell；The diameter of second tube sheet is less than the internal diameter of the shell, and the outer sheath of second tube sheet is equipped with a lantern ring, and the gap between the lantern ring and the second tube sheet is sealed to form closed entirety by sealing ring, second bobbin carriage is separated with shell.The heat exchanger structure of the utility model is novel, the shortcomings that not only having realized the sealing between tube side and shell side, but also overcome floating head type and stuffing box heat exchanger, core convenient disassembly, and sealing performance is more preferably, it is cost-effective.
Description
Technical field
The utility model is related to heat exchanger fields, and in particular to a kind of heat exchanger of on-fixed tube-sheet type.
Background technology
Currently, in shell-and-tube heat exchanger field, straight pipe heat exchanger and U-tube heat exchanger can be divided into according to heat exchange form of tubes,
It can be divided into fixed tube-sheet exchanger and on-fixed tube-sheet heat exchanger according to tube sheet and shell fixed form.
On-fixed tube-sheet heat exchanger can disassemble progress clearly primarily to solving the core that heat exchanger tube is formed
It washes or replaces and design, on-fixed tube-sheet heat exchanger has U-tube heat exchanger, movable tube sheets heat exchanger and stuffing box type heat exchange again
Point of device, wherein movable tube sheets heat exchanger and stuffing box heat exchanger are straight pipe heat exchanger.
Only have one end to be fixed with shell in the tube sheet of movable tube sheets heat exchanger both ends, the other end can be moved freely with respect to shell, be claimed
To raise the nose above water to breathe；Floating head is made of floating tubesheet, hook circle and floating head end cap, is releasable connection, tube bank can extract out out of shell.But it is tied
Structure is complicated, and cost is higher than fixed tube-sheet exchanger, and equipment is heavy, and consumption of materials is big, and floating head end tegillum nothing in operation
Method inspection, when manufacture, are higher to seal request.
The design feature of stuffing box heat exchanger is similar with movable tube sheets heat exchanger, and part of raising the nose above water to breathe is exposed at other than shell,
It raises the nose above water to breathe and uses stuffing box type sealing structure at the sliding contact surface of shell；Its structure is simple compared with movable tube sheets heat exchanger, processing system
It makes conveniently, saves material, cost is cheaper, and tube bank can extract out out of shell, can be cleaned in pipe, between pipe, ties up
It repaiies conveniently, but because being also easy to produce leakage at filler, stuffing box heat exchanger applies in general to the relatively low occasion of operating pressure, and not
Suitable for volatile, inflammable, explosive, toxic and valuable medium, temperature in use is also limited by the physical property of filler.
Invention content
Goal of the invention：The utility model aim is in view of the deficiencies of the prior art, to provide a kind of simple in structure, leakproofness
The excellent detachable straight pipe heat exchanger of core of energy.
Technical solution：The detachable straight pipe heat exchanger of core described in the utility model, including shell are located at shell both ends
First bobbin carriage and the second bobbin carriage, and penetrate in the shell and be connected to the core of two bobbin carriage inner cavities；The core includes being located at
The first tube sheet between two bobbin carriages and shell and the second tube sheet, and if being fixed between first tube sheet and the second tube sheet
The both ends of the hollow heat exchanger tube of dry root, the heat exchanger tube are each passed through the first tube sheet and the second tube sheet, by the first bobbin carriage and second
The inner cavity of bobbin carriage is connected to；
The diameter of first tube sheet is more than the internal diameter of the shell, and the outer perimeter section for exposing the shell is seated at first
Between channel flange and the shell flange of respective side, first tube sheet is fixed by first channel flange and shell flange
Between the first bobbin carriage and shell, first bobbin carriage is separated with shell；
The diameter of second tube sheet is less than the internal diameter of the shell, and the outer sheath of second tube sheet is equipped with a lantern ring,
The lantern ring is fixed between second channel flange and the shell flange of respective side, the seam between the lantern ring and the second tube sheet
Gap seals to form closed entirety by sealing ring, and second bobbin carriage is separated with shell.
Further preferably technical solution is the utility model, the contact surface of first tube sheet and the first channel flange
On the contact surface of upper, the first tube sheet and the shell flange of respective side, on the contact surface of the lantern ring and the second channel flange, and
Be both provided with gasket on the contact surface of lantern ring and the shell flange of respective side, several gaskets by first bobbin carriage,
The inner cavity of second bobbin carriage and shell is closed.
Preferably, the lantern ring is inner conical lantern ring, and the width of inner ring is less than outer ring width, and the both sides of inner ring are respectively arranged
There is a sealing ring, two sealing rings are by the gap sealing between the lantern ring and second tube sheet.
Preferably, the sealing ring is O-ring seal.
Preferably, the both ends of the heat exchanger tube expanded joint or are weldingly fixed on first tube sheet and the second tube sheet respectively,
The port at heat exchanger tube both ends is concordant with first tube sheet and lateral surface of second tube sheet far from shell side respectively.
Preferably, between first channel flange and the shell flange of respective side and first channel flange with
It is bolted between the shell flange of respective side.
Preferably, it is provided with tube side first interface on the outside of first bobbin carriage, one end far from shell passes through the first pipe
Case end socket blocks；It is provided with tube side second interface on the outside of second bobbin carriage, one end far from shell passes through the second bobbin carriage
End socket blocks；It is provided with shell side first interface on the outside of one end of the shell, shell side second interface is provided on the outside of the other end；Institute
The bottom for stating the first bobbin carriage, the second bobbin carriage and shell is also respectively provided with sewage draining exit.
Preferably, several bafflings are additionally provided between the shell side first interface and shell side second interface in the shell
Plate, for the baffle plate by the pull rod arranged for interval that is fixed on the first tube sheet in the shell, the heat exchanger tube passes through institute
Baffle plate is stated, both ends are separately fixed on first tube sheet and the second tube sheet.
Advantageous effect：（1）Tube sheet form is clamped using flange in the heat exchanger side of the utility model, and the first tube sheet is fixed
Between the first bobbin carriage and shell, to separate the first bobbin carriage and shell, the form of lantern ring, and profit are clamped by flange for the other side
With the gap between sealing ring sealing ring and the second tube sheet, lantern ring and the second tube sheet is made to form closed entirety, by described
Two bobbin carriages are separated with shell, the sealing between the final tube side and shell side for realizing heat exchanger；Meanwhile core can in the utility model
Dismounting, core is whole by the extraction of the first tube sheet side, and the diameter of the second tube sheet is less than the internal diameter of shell, does not interfere with tearing open for core
It unloads, the structure novel of the utility model had not only realized the sealing between tube side and shell side, but also overcome floating head type and stuffing box type
The shortcomings that heat exchanger, core convenient disassembly, and sealing performance is more preferably, it is cost-effective；
（2）In the utility model on the contact surface of the first tube sheet and the first channel flange, the first tube sheet and respective side
On the contact surface of shell flange, on the contact surface of the lantern ring and the second channel flange and the shell method of lantern ring and respective side
It is both provided with gasket on blue contact surface, the leakproofness between tube side and shell side is can further ensure that, promotes heat exchanger
Heat exchange efficiency；
（3）Lantern ring is inner conical lantern ring in the utility model, and the width of inner ring is less than outer ring width, and in inner ring
Both sides are each provided with a sealing ring, improve the leakproofness between lantern ring and the second tube sheet, it is ensured that lantern ring and the second tube sheet are formed
Complete sealing structure seals the second bobbin carriage and shell respectively.
Description of the drawings
Fig. 1 is the structural schematic diagram of the detachable straight pipe heat exchanger of core described in the utility model；
Fig. 2 is the a-quadrant enlarged drawing of Fig. 1；
Fig. 3 is the B area method figure of Fig. 1；
In figure, the first bobbin carriages of 1- end socket, the first bobbin carriages of 2-, 3- tube sides first interface, 4- shell sides first interface, 5- shells,
6- pull rods, 7- baffle plates, 8- heat exchanger tubes, 9- tube sides second interface, the second bobbin carriages of 10-, the second bobbin carriages of 11- end socket, 12- blowdowns
Mouth, 13- shell sides second interface, the first channel flanges of 14-, the first gaskets of 15-, the first tube sheets of 16-, the second gaskets of 17-,
18- first shells flange, 19- bolts, 20- second shells flange, 21- inner conicals lantern ring, the second channel flanges of 22-, 23- thirds
Gasket, the first O-ring seals of 24-, the second tube sheets of 25-, the second O-ring seals of 26-, the 4th gaskets of 27-.
Specific implementation mode
Technical solutions of the utility model are described in detail below by attached drawing, but the scope of protection of the utility model
It is not limited to the embodiment.
Embodiment：A kind of detachable straight pipe heat exchanger of core, including shell 5 are located at first bobbin carriage 2 at 5 both ends of shell
With the second bobbin carriage 10, and the core of two bobbin carriage inner cavities is penetrated in shell 5 and is connected to.
In each section, core includes the first tube sheet 16 and the second tube sheet 25, Yi Jigu between two bobbin carriages and shell 5
Several hollow heat exchanger tubes 8 being scheduled between the first tube sheet 16 and the second tube sheet 25, the both ends difference expanded joint of heat exchanger tube 8 or weldering
Connect and be fixed on the first tube sheet 16 and the second tube sheet 25, the port at 8 both ends of heat exchanger tube respectively with the first tube sheet 16 and the second tube sheet
25 lateral surfaces far from shell side are concordant, and the first bobbin carriage 2 is connected to the inner cavity of the second bobbin carriage 10.
The outside of first bobbin carriage 2 is provided with tube side first interface 3, and one end far from shell passes through 1 envelope of the first bobbin carriage end socket
It is stifled；The outside of second bobbin carriage 10 is provided with tube side second interface 9, and one end far from shell passes through 11 envelope of the second bobbin carriage end socket
It is stifled.
The one end side of shell 5 is provided with shell side first interface 4, and other end side is provided with shell side second interface 13；Shell
Several baffle plates 7 are additionally provided between shell side first interface 4 and shell side second interface 13 in body 5, baffle plate 7 is by being fixed on
6 arranged for interval of pull rod on first tube sheet 16 is in shell 5, and heat exchanger tube 8 passes through baffle plate 7, and both ends are separately fixed at the first pipe
On plate 16 and the second tube sheet 25.
The bottom of first bobbin carriage 2, the second bobbin carriage 10 and shell 5 is also respectively provided with sewage draining exit 12.
Core is detachable structure, wherein the diameter of the first tube sheet 16 is more than the internal diameter of shell 5, exposes the outer of shell 5
Circle part is seated between the first channel flange 14 and the first shell flange 18 of respective side, the first channel flange 14 and first shell
Flange 18 is fixed by bolt 19, and the first tube sheet 16 is fixed between the first bobbin carriage 2 and shell 5, will by the first tube sheet 16
The inner cavity of first bobbin carriage 2 and shell 5 separates；It is close it to be provided with first on contact surface of first tube sheet 16 with the first channel flange 14
Packing 15, the first tube sheet 16 are provided with the second gasket 17 on the contact surface of first shell flange 18.
The diameter of second tube sheet 25 is less than the internal diameter of shell 5, and the outer sheath of the second tube sheet 25 is equipped with an inner conical lantern ring 21,
The width of its inner ring is less than outer ring width, which is fixed on the second shell of the second channel flange 22 and respective side
Between flange 20, the second channel flange 22 is fixed with second shell flange 20 by bolt 19.The two of 21 inner ring of inner conical lantern ring
Side is each provided with an O-ring seal, respectively the first O-ring seal 24 and the second O-ring seal 26, and two O-ring seals will
Gap sealing between inner conical lantern ring 21 and the second tube sheet 25 makes inner conical lantern ring 21 be formed with the second tube sheet 25 closed whole
Body separates the second bobbin carriage 10 with shell 5；Inner conical lantern ring 21 with to be provided with third on the contact surface of the second channel flange 22 close
Packing 23, inner conical lantern ring 21 and the contact surface of second shell flange 20 are provided with the 4th gasket 27.
In dismounting, core is extracted out by 16 side of the second tube sheet, cleaning is completed or replaces.
As described above, although the utility model has been indicated and described with reference to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (8)
1. a kind of detachable straight pipe heat exchanger of core, including shell are located at first bobbin carriage and the second bobbin carriage at shell both ends, with
And penetrate in the shell and be connected to the core of two bobbin carriage inner cavities；The core includes between two bobbin carriages and shell
One tube sheet and the second tube sheet, and several hollow heat exchanger tubes being fixed between first tube sheet and the second tube sheet, institute
The both ends for stating heat exchanger tube are each passed through the first tube sheet and the second tube sheet, and the inner cavity of the first bobbin carriage and the second bobbin carriage is connected to；
It is characterized in that, the diameter of first tube sheet is more than the internal diameter of the shell, expose the outer perimeter section of the shell
It is seated between the first channel flange and the shell flange of respective side, first tube sheet passes through first channel flange and shell
Flange is fixed between the first bobbin carriage and shell, and first bobbin carriage is separated with shell；
The diameter of second tube sheet is less than the internal diameter of the shell, and the outer sheath of second tube sheet is equipped with a lantern ring, the set
Ring is fixed between the second channel flange and the shell flange of respective side, and the gap between the lantern ring and the second tube sheet passes through close
Seal seals to form closed entirety, and second bobbin carriage is separated with shell.
2. the detachable straight pipe heat exchanger of core according to claim 1, which is characterized in that first tube sheet and first
On the contact surface of channel flange, on the contact surface of the shell flange of the first tube sheet and respective side, the lantern ring and the second bobbin carriage method
It is both provided with gasket, several sealings on blue contact surface and on the contact surface of lantern ring and the shell flange of respective side
Pad is closed by the inner cavity of first bobbin carriage, the second bobbin carriage and shell.
3. the detachable straight pipe heat exchanger of core according to claim 1, which is characterized in that the lantern ring is inner conical set
Ring, the width of inner ring are less than outer ring width, and the both sides of inner ring are each provided with a sealing ring, two sealing rings by the lantern ring with
Gap sealing between second tube sheet.
4. the detachable straight pipe heat exchanger of core according to claim 3, which is characterized in that the sealing ring is O-shaped close
Seal.
5. the detachable straight pipe heat exchanger of core according to claim 1, which is characterized in that the both ends of the heat exchanger tube point
Other expanded joint is weldingly fixed on first tube sheet and the second tube sheet, the port at heat exchanger tube both ends respectively with first tube sheet
It is concordant with lateral surface of second tube sheet far from shell side.
6. the detachable straight pipe heat exchanger of core according to claim 1, which is characterized in that first channel flange with
Consolidated by bolt between the shell flange of respective side and between first channel flange and the shell flange of respective side
It is fixed.
7. the detachable straight pipe heat exchanger of core according to claim 1, which is characterized in that the outside of first bobbin carriage
It is provided with tube side first interface, one end far from shell is blocked by the first bobbin carriage end socket；The outside of second bobbin carriage is arranged
There is tube side second interface, one end far from shell is blocked by the second bobbin carriage end socket；It is provided on the outside of one end of the shell
Shell side first interface, other end outside are provided with shell side second interface；The bottom of first bobbin carriage, the second bobbin carriage and shell is also
It is respectively arranged with sewage draining exit.
8. the detachable straight pipe heat exchanger of core according to claim 7, which is characterized in that in the shell in the shell
Several baffle plates are additionally provided between journey first interface and shell side second interface, the baffle plate is by being fixed on the first tube sheet
Pull rod arranged for interval in the shell, the heat exchanger tube pass through the baffle plate, both ends be separately fixed at it is described first pipe
On plate and the second tube sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042683.0U CN207716930U (en) | 2018-01-10 | 2018-01-10 | A kind of detachable straight pipe heat exchanger of core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042683.0U CN207716930U (en) | 2018-01-10 | 2018-01-10 | A kind of detachable straight pipe heat exchanger of core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716930U true CN207716930U (en) | 2018-08-10 |
Family
ID=63051440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820042683.0U Active CN207716930U (en) | 2018-01-10 | 2018-01-10 | A kind of detachable straight pipe heat exchanger of core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207716930U (en) |
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2018
- 2018-01-10 CN CN201820042683.0U patent/CN207716930U/en active Active
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