CN207976014U - A kind of tube bank coiled heat exchanger - Google Patents
A kind of tube bank coiled heat exchanger Download PDFInfo
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- CN207976014U CN207976014U CN201820195544.1U CN201820195544U CN207976014U CN 207976014 U CN207976014 U CN 207976014U CN 201820195544 U CN201820195544 U CN 201820195544U CN 207976014 U CN207976014 U CN 207976014U
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- shell
- tube
- end socket
- heat exchanger
- perforated plate
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Abstract
The utility model proposes a kind of tube bank coiled heat exchanger, including shell, tube sheet, tube bank and end socket, the shell is tubular construction, and the shell includes first shell and second shell, and the thickness of the first shell is more than second shell；The first shell upper end is equipped with upper shell end socket, the side wall of the upper shell end socket is equipped with shell side inlet, the upper end of the upper shell end socket is equipped with upper perforated plate, and the top of the upper perforated plate is equipped with upper tube box end socket, and the top of the upper tube box end socket is exported equipped with tube side；The second shell lower end is equipped with lower shell end socket, the side wall of the lower shell end socket is equipped with shell-side outlet, the lower end of the lower shell end socket is equipped with lower perforated plate, and the lower section of the lower perforated plate is equipped with lower tube box end socket, and the lower section of the lower tube box end socket is exported equipped with tube side；Several tube banks are equipped in the heat exchanger.A kind of tube bank coiled heat exchanger disclosed in the utility model, it is reasonable for structure, it is highly practical, it can realize the heat exchange operation to high temperature fluid.
Description
Technical field
The utility model is related to shell-and-tube heat exchanger technical field, especially a kind of tube bank coiled heat exchanger.
Background technology
Heat exchanger is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as heat exchanger.Heat exchanger is being changed
It is occupied an important position in work, oil, power, food and other many industrial productions, a large amount of of heat exchanger are improved using effective
The utilization rate of the energy, makes entreprise cost reduce, and benefit improves.At present shell-and-tube heat exchanger in China's heat exchanger total output about
Account for 80%, compare common shell-and-tube heat exchanger, winding heat exchange of heat pipe with compact-sized, unit volume with larger heat transfer area,
Without thermal expansion problem, the features such as heat transfer property is high, it is widely used.
A kind of two-tube-pass mixed tube bundle heat exchanger, including shell, tube sheet, method are disclosed in patent document CN105823349A
Orchid, end socket, cylindrical shape partition board, normal straight tube, spiral rib straight tube, helix tube, shell side inlet/outlet pipe, tube side inlet/outlet pipe, row
Liquid pipe and hanging support, wherein：Self-supporting straight tube beam is formed by normal straight tube and spiral rib straight tube, the helix tube is wound
Outside straight tube beam and constitute helical bundle, the both ends of straight tube and helix tube are by solid welding after first swollen due on tube sheet；Upper end seal
Head, cylindrical shape partition board and flange form the open bobbin carriage with tube side inlet/outlet pipe, and cylindrical shape partition board one end is welded in end socket
Side, the circular trough Butt sealing on the other end and tube sheet, and bobbin carriage is divided into two tube side spaces, correspond respectively to straight tube beam and
Helical bundle；Lower end head and flange forming closed bobbin carriage, have been connected to straight tube beam and helical bundle, have constituted two-tube-pass；It should
Heat exchanger extends tube side fluid flow, and mixed tube bundle improves heat exchange efficiency.
However, the heat exchanger shell in above patent document uses integral structure, at the heat exchange for carrying out high temperature fluid
When reason, the temperature at hot inlet is higher, and heat exchanging device structure thermal shock is larger, and heat exchanging device casing rigidity is more demanding；Separately
On the one hand, traditional heat exchangers tube-side inlet causes to impact into fashionable without buffering, fluid to tube bank, and it is higher to also require that tube bank has
Impact strength, improve the manufacturing cost of heat exchanger.Therefore, utility model one kind can high temperature resistant, casing rigidity it is big, fit
For refining oil, the heat exchanger of chemical industry, be very necessary.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of reasonable in design, high temperature resistant, and the tube bank that heat exchange efficiency is high
Coiled heat exchanger.
The utility model proposes a kind of tube bank coiled heat exchangers, which is characterized in that including shell, tube sheet, tube bank and envelope
Head, the shell are tubular construction, and the shell includes first shell and second shell, and the upper part of the housing is divided into first shell
The lower part of body, the shell is divided into second shell, and the thickness of the first shell is more than second shell；The first shell upper end
Equipped with upper shell end socket, the thickness of the upper shell end socket is identical as the thickness of first shell, the side wall of the upper shell end socket
It is equipped with shell side inlet, the upper end of the upper shell end socket is equipped with upper perforated plate, and the top of the upper perforated plate is sealed equipped with upper tube box
The top of head, the upper tube box end socket is exported equipped with tube side；The second shell lower end is equipped with lower shell end socket, the lower shell
The thickness of end socket is identical as the thickness of second shell, and the side wall of the lower shell end socket is equipped with shell-side outlet, the lower shell
The lower end of end socket is equipped with lower perforated plate, and the lower section of the lower perforated plate is equipped with lower tube box end socket, and the lower section of the lower tube box end socket is equipped with
Tube side exports；It is equipped with pore on the upper perforated plate, lower perforated plate, central shaft is equipped between the upper perforated plate and lower perforated plate, it is described
Tube bank is wound on central shaft, spiral winding is on center shaft, described to restrain and the pipe on tube sheet in the same direction for the tube bank
Hole is connected.
Preferably, the upper tube box end socket, lower tube box end socket are hemispherical dome structure.
Preferably, the upper shell end socket is the hemispherical dome structure that top is equipped with the first opening, and first opening is used for
Upper perforated plate is installed, the lower shell end socket is the hemispherical dome structure that lower part is equipped with the second opening, and second opening is for installing
Lower perforated plate.
Preferably, the upper tube box end socket is equipped with take over reinforcing rib, lower tube box end socket and tube-side inlet with tube side exit
Place is equipped with take over reinforcing rib.
Preferably, the side wall of the upper shell end socket is equipped with drain.
Preferably, the side wall of the lower shell end socket is equipped with condensate drain mouth.
Preferably, the outer wall of the first shell is equipped with axial lifting lug.
Preferably, the outer wall of the first shell is equipped with bearing.
Preferably, the outer wall of the second shell is equipped with heat preservation bracing ring.
Preferably, the length ratio of the first shell and second shell is 5：3.
The utility model has the beneficial effects that：
Inventor solves the thermal shock problem at exchanger heat inflow entrance, and the shell of heat exchanging device is studied and visited
Rope finds that the intensity of shell can effectively be enhanced by increasing thickness of shell, but increases the thickness of shell, improves production cost, therefore,
The utility model is using the technical solution that first shell and second shell is respectively set, wherein the thickness of first shell is only thickeied,
And upper shell end socket identical with first shell thickness is used, the hot fluid temperature of heat exchanger shell pass inlet can be prevented excessive,
Rupture caused by causing casing rigidity insufficient, and reduce production cost；In addition, the both ends of the utility model heat exchanging device are added
Upper tube box end socket, the lower tube box end socket of hemispherical dome structure, the fluid to flow into lower perforated plate pore and being flowed out from upper perforated plate pore carry
Cushion space has been supplied, can effectively solve that fluid inflow velocity is excessive to cause that tube-side inlet rupture, temperature is excessively high goes out to tube side for outflow
The larger problem of mouth thermal shock；And it is restrained by several wound forms of inside setting, using tube spacing appropriate, with central shaft
In the intensive coiling of appropriate helical angle, greatly possibly increase the length and quantity of tube bank, namely increases tube shell journey medium and effectively pass
Hot time and area, simultaneously wound formula tube bank also dramatically alleviate the thermal stress that the temperature difference is brought, overcome general fixing pipe
The limitation for the unfavorable factors such as the sheet heat exchanger tube shell journey medium temperature difference is small, and tube sheet and tube bank connector thermal (temperature difference) stress are big keeps this practicality new
Type has thermal coefficient high, and the heat transfer area of heat exchanger is big（It is approximately 2.9 times of same size heat exchanger heat exchange area）, inlet and outlet
The big feature of temperature gradient.A kind of tube bank coiled heat exchanger disclosed in the utility model, reasonable for structure, highly practical, energy
Enough heat exchange operations realized to high temperature fluid.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A direction views of Fig. 1；
Fig. 3 is I enlarged drawing of Fig. 1；
Fig. 4 is II enlarged drawing of Fig. 2；
Fig. 5 is the location drawing of take over reinforcing rib.
Reference numeral：
1：Lower tube box end socket；2：Lower perforated plate；3：Lower shell end socket；4：Tube bank；5：First shell；6：Second shell；7：Branch
Seat；8：Axial lifting lug；9：Upper shell end socket；10：Upper perforated plate；11：Upper tube box end socket；12：Take over reinforcing rib；13：Heat preservation support
Circle；14：Shell side inlet；15：Shell-side outlet；16：Tube-side inlet；17：Tube side exports；18：Drain；19：Condensate drain mouth；20：In
Mandrel.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only the embodiment of the utility model part, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, belongs to the scope of protection of the utility model.
As shown in Fig. 1 to 2, the utility model proposes a kind of tube bank coiled heat exchanger, including shell, the shell is cylinder
Shape structure, the shell includes first shell 5 and second shell 6, and first shell 5 uses welding by both sides binding with second shell 6
Structure, the upper part of the housing are divided into first shell 5, and the lower part of the shell is divided into second shell 6, the thickness of the first shell 5
More than second shell 6, the length ratio of the first shell and second shell is 5：3；5 upper end of the first shell is equipped with upper cylinder
The thickness of body end socket 9, the upper shell end socket 9 is identical as the thickness of first shell 5, is set on the side wall of the upper shell end socket 9
It is the hemispherical dome structure that top is equipped with the first opening to have shell side inlet 14, the upper shell end socket 5, and first opening is for pacifying
Tube sheet 10 is loaded onto, the top of the upper perforated plate 10 is equipped with upper tube box end socket 11, and the top of the upper tube box end socket 11 is equipped with tube side
Outlet 17；6 lower end of the second shell is equipped with lower shell end socket 3, the thickness of the thickness and second shell 6 of the lower shell end socket 3
Spend identical, the side wall of the lower shell end socket 3 is equipped with shell-side outlet 15, and the lower shell end socket 3 is that lower part is opened equipped with second
The hemispherical dome structure of mouth, second opening are equipped with lower tube box end socket 1 for installing lower perforated plate 2, the lower section of the lower perforated plate 2,
The lower section of the lower tube box end socket 1 is equipped with tube side and exports 17, and the upper tube box end socket, lower tube box end socket are hemispherical dome structure；
It is equipped with pore on the upper perforated plate 10, lower perforated plate 2, central shaft 20 is equipped between the upper perforated plate 10 and lower perforated plate 2, in described
Tube bank 4 is wound in mandrel 20, the tube bank 4 is spirally wound in the same direction on central shaft 20, in the tube bank 4 and tube sheet
Pore be connected.
From the above, shell side inlet 15 and upper shell end socket 3, shell-side outlet 15 and the welding pattern of lower shell end socket 3 are equal
The form welded using back chipping, by surface rubbing after welding；In addition, shell side inlet 15 and upper shell end socket 3, shell-side outlet 15 are under
Take over reinforcing rib 12, the intensity for increasing faying face are equipped at cylinder end socket 3.
From the above, as shown in figure 3, being equipped with take over reinforcing rib 12, lower tube box at upper tube box end socket 11 and tube side outlet 17
It also is provided with take over reinforcing rib 12 at end socket 1 and tube-side inlet 16, Fig. 3 is the partial enlarged view of take over reinforcing rib 12, in addition, as schemed
Shown in 5, for the location drawing of take over reinforcing rib 12, the take over reinforcing rib 12 is uniformly distributed.
Also, the side wall of the upper shell end socket 9 is equipped with drain 18, and the side wall of the lower shell end socket 3 is equipped with
Condensate drain mouth 19；The outer wall of the first shell 5 is equipped with axial lifting lug 8；The outer wall of the second shell 6 is equipped with heat preservation and supports
Circle 13, the heat preservation bracing ring 13 is distributed on cylinder, and avoids soldered and other external structures.
From the above, the outer wall of first shell 5 is equipped with bearing 7, and the bearing 7 is fixed using nut, such as Fig. 4 institutes
Show, the bearing 7 uses complete penetraction and fusion in welding structure with first shell 5, and uses arc transition.
It is worth noting that shell side inlet 14, shell-side outlet 15, tube-side inlet 16 pass through companion flange in the utility model
It is connected with equipment pipe, tube side outlet 17 is connected by W.N flange with equipment pipe, is equipped at drain 18, condensate drain mouth 19 whole
Body flange, 4 quantity of tube bank in the utility model can be configured according to actual demand, to realize best heat transfer effect.
When utility model works, high-temperature medium is flowed into from shell side inlet 14, is exchanged heat with the fluid in tube bank 4, temperature
After degree declines, finally flowed out from shell-side outlet 15.Cryogenic media in tube side flows into lower tube box end socket 1, warp from tube-side inlet 16
The pore of lower perforated plate 2, which enters, to be wrapped in the tube bank 4 on central shaft 20, and after heat exchange, the fluid temperature (F.T.) in tube bank 4 increases,
Pore through upper perforated plate 10 enters in upper tube box end socket 11, finally from 17 outflow of tube side outlet；In the present embodiment, shell side enters
Medium temperature at mouth 14 is 484 DEG C, and after heat exchange, the medium temperature that shell-side outlet 15 flows out is 120 DEG C, tube-side inlet 16
The medium temperature at place is 99 DEG C, and after heat exchange, the medium temperature of 17 outflow of tube side outlet is 454 DEG C.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
Claims (10)
1. a kind of tube bank coiled heat exchanger, which is characterized in that including shell, tube sheet, tube bank and end socket, the shell is tubular
Structure, the shell include first shell and second shell, and the upper part of the housing is divided into first shell, the lower part of the shell
Thickness for second shell, the first shell is more than second shell；The first shell upper end is equipped with upper shell end socket, described
The thickness of upper shell end socket is identical as the thickness of first shell, and the side wall of the upper shell end socket is equipped with shell side inlet, described
The upper end of upper shell end socket is equipped with upper perforated plate, and the top of the upper perforated plate is equipped with upper tube box end socket, the upper tube box end socket
Top is exported equipped with tube side；The second shell lower end is equipped with lower shell end socket, the thickness and second shell of the lower shell end socket
The thickness of body is identical, and the side wall of the lower shell end socket is equipped with shell-side outlet, and the lower end of the lower shell end socket is equipped with down tube
The lower section of plate, the lower perforated plate is equipped with lower tube box end socket, and the lower section of the lower tube box end socket is exported equipped with tube side；The upper tube
It is equipped with pore on plate, lower perforated plate, central shaft is equipped between the upper perforated plate and lower perforated plate, pipe is wound on the central shaft
Beam, on center shaft, the tube bank is connected spiral winding with the pore on tube sheet in the same direction for the tube bank.
2. a kind of tube bank coiled heat exchanger according to claim 1, which is characterized in that the upper tube box end socket, down tube
Case end socket is hemispherical dome structure.
3. a kind of tube bank coiled heat exchanger according to claim 2, which is characterized in that upper shell end socket is equipped with for top
The hemispherical dome structure of first opening, first opening are that lower part is equipped with second for installing upper perforated plate, the lower shell end socket
The hemispherical dome structure of opening, second opening is for installing lower perforated plate.
4. a kind of tube bank coiled heat exchanger according to claim 3, which is characterized in that the upper tube box end socket and tube side
Exit is equipped with take over reinforcing rib, and take over reinforcing rib is equipped at the lower tube box end socket and tube-side inlet.
5. a kind of tube bank coiled heat exchanger according to claim 4, which is characterized in that the side wall of the upper shell end socket
It is equipped with drain.
6. a kind of tube bank coiled heat exchanger according to claim 5, which is characterized in that the side wall of the lower shell end socket
It is equipped with condensate drain mouth.
7. a kind of tube bank coiled heat exchanger according to claim 6, which is characterized in that on the outer wall of the first shell
Equipped with axial lifting lug.
8. a kind of tube bank coiled heat exchanger according to claim 7, which is characterized in that on the outer wall of the first shell
Equipped with bearing.
9. a kind of tube bank coiled heat exchanger according to claim 8, which is characterized in that on the outer wall of the second shell
Equipped with heat preservation bracing ring.
10. a kind of tube bank coiled heat exchanger according to claim 9, which is characterized in that the first shell and second
The length ratio of shell is 5：3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195544.1U CN207976014U (en) | 2018-02-05 | 2018-02-05 | A kind of tube bank coiled heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195544.1U CN207976014U (en) | 2018-02-05 | 2018-02-05 | A kind of tube bank coiled heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976014U true CN207976014U (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820195544.1U Active CN207976014U (en) | 2018-02-05 | 2018-02-05 | A kind of tube bank coiled heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN207976014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253821A (en) * | 2018-02-05 | 2018-07-06 | 洛阳石化工程设计有限公司 | A kind of tube bank coiled heat exchanger |
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2018
- 2018-02-05 CN CN201820195544.1U patent/CN207976014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253821A (en) * | 2018-02-05 | 2018-07-06 | 洛阳石化工程设计有限公司 | A kind of tube bank coiled heat exchanger |
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