CN207279582U - Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator - Google Patents
Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator Download PDFInfo
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- CN207279582U CN207279582U CN201721262588.3U CN201721262588U CN207279582U CN 207279582 U CN207279582 U CN 207279582U CN 201721262588 U CN201721262588 U CN 201721262588U CN 207279582 U CN207279582 U CN 207279582U
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Abstract
The utility model discloses a kind of sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator, including shell-side cylinder, shell-side cylinder is provided with multigroup sword bayonet type jacket for heat exchange pipe, every group of sword bayonet type jacket for heat exchange pipe is made of jacket for heat exchange pipe inner tube, jacket for heat exchange pipe outer tube and jacket for heat exchange pipe outer tube pipe cap.The setting that the utility model passes through sword bayonet type jacket for heat exchange pipe in shell-side cylinder, make high temperature refrigerant in jacket for heat exchange pipe, marmon clamp inner room flowing between outer tube, substantially increase the less turbulence of fluid, enhance heat transfer, and fluid is passed in and out in the same end of sword bayonet type heat exchanger tube, all inlet/outlet pipes all concentrate on the same end of sword bayonet type jacket steam generator, uniformity of temperature profile on whole tube sheet cross section, tube sheet thermal (temperature difference) stress is small, at the same time, one end of sword bayonet type jacket for heat exchange pipe can be with free wxpansion, do not constrain, therefore the thermal expansion difference for considering shell journey can not had to, and sword bayonet type jacket for heat exchange pipe every is all independent, overhaul and replace and is convenient and simple.
Description
Technical field
The utility model belongs to new energy equipment technical field, more particularly to a kind of sword bayonet type jacket for heat exchange tube solar light
Hot electrical power generation steam generator.
Background technology
In light heat generator, steam generator is one of core equipment, passes through suitable high temperature refrigerant（Such as fused salt）
Water is heated in a vapor generator, forms the change in phase, produces steam drive steam turbine generator.Its basic functional principle
For：High temperature refrigerant is conducted heat with boiler feedwater by the convection current of jacket for heat exchange pipe, and water absorbs heat and produces phase transformation generation vapor.
Steam generator in existing light heat generator is generally changed using fixed tube sheet type shell-and-tube heat exchanger or U-tube formula
The structure type of hot device, its main feature and problem are as follows：
1）Fixed tube sheet type steam generator, when pipe side is high-temperature molten salt, it is necessary to using shell side band expansion joint structure；It is special
When being not high pressure, expansion joint is the difficult point in a design and manufacture.When pipe side is high pressure water, easy fouling, and it is more difficult in pipe
Cleaning, and the Double pipe box under high pressure is of high cost.
2）When the structure type using U-tube heat exchanger, if pipe side is high-temperature molten salt, the temperature difference of pipe side inlet and outlet is big,
It will certainly cause the larger thermal (temperature difference) stress of tube sheet；If tube side walks high pressure water, i.e., it can produce the problem of back and forward is same.And U-tube
Structure type, central area are unable to comb, and device diameters are big, and economy is relatively low.
3）Using other comb modes of U-tube, for example, quincunx comb or it is U-shaped it is horizontal, intersect comb vertically, so can be with
Solve the problems, such as that tube sheet thermal (temperature difference) stress is larger.But the design of blossom type comb, manufacture difficulty are larger, the maintenance of heat exchanger tube and replace compared with
It is difficult.U-shaped horizontal, the vertical uniformity of temperature profile intersected comb and be not so good as blossom type.Totally see, the space of both comb modes
Utilization rate is not high, and device diameters all need larger, and economy is relatively low.
Utility model content
The goal of the invention of the utility model is：For above-mentioned problem, there is provided one kind can effectively solve pipe, shell side
Thermal expansion difference displacement caused greatly and tube sheet thermal (temperature difference) stress, and comb space availability ratio is high, compact-sized, design and manufacture are simple
Single, maintenance is with replacing the easy sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator of heat exchanger tube.
What the technical solution of the utility model was realized in：Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam is sent out
Raw device, including shell-side cylinder, bobbin carriage cylinder, shell-side head and bobbin carriage end socket, be provided with the bobbin carriage end socket tube side into
Mouthful, set tube side to export on the bobbin carriage cylinder, the bobbin carriage cylinder is connected by tube sheet with shell-side cylinder, in the shell side
Cylinder lower part is provided with shell side import, and the shell-side cylinder top is provided with shell-side outlet, it is characterised in that：In the shell side
Cylinder is provided with multigroup sword bayonet type jacket for heat exchange pipe, and every group of sword bayonet type jacket for heat exchange pipe is by jacket for heat exchange pipe inner tube, jacket for heat exchange
Pipe outer tube and jacket for heat exchange pipe outer tube pipe cap composition, the jacket for heat exchange pipe inner pipe end are inserted into jacket for heat exchange pipe outer tube
Sword bayonet type structure is formed, is formed between the jacket for heat exchange pipe inner tube and jacket for heat exchange pipe outer tube and is used for high temperature refrigerant flowing
Annular space, the jacket for heat exchange pipe inner tube other end is through bobbin carriage cylinder and tube side inlet communication, outside the jacket for heat exchange pipe
Pipe is through tube sheet and tube side outlet.
Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator described in the utility model, its described bobbin carriage cylinder
Body is connected by channel flange with bobbin carriage end socket.
Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator described in the utility model, it is in the shell side
Its axial direction is provided with some baffle plates being connected with shell-side cylinder inner wall in cylinder.
The utility model makes high temperature refrigerant in jacket for heat exchange pipe by the setting of sword bayonet type jacket for heat exchange pipe in shell-side cylinder
Marmon clamp inner room flowing between inner and outer pipe, substantially increases the less turbulence of fluid, enhances heat transfer, and fluid is in bayonet
The same end disengaging of formula heat exchanger tube, all inlet/outlet pipes all concentrate on the same end of sword bayonet type jacket steam generator, entirely
Uniformity of temperature profile on tube sheet cross section, tube sheet thermal (temperature difference) stress is small, meanwhile, one end of sword bayonet type jacket for heat exchange pipe is can be free
Expansion, do not constrain, therefore the thermal expansion difference for considering shell journey can not had to, and sword bayonet type jacket for heat exchange pipe every is all only
Vertical, overhaul and replace and is more convenient simple.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Marked in figure：1 is shell-side cylinder, and 2 be bobbin carriage cylinder, and 3 be shell-side head, and 4 be bobbin carriage end socket, and 5 be tube side import,
6 export for tube side, and 7 be tube sheet, and 8 be shell side import, and 9 be shell-side outlet, and 10 be jacket for heat exchange pipe inner tube, and 11 be jacket for heat exchange pipe
Outer tube, 12 be jacket for heat exchange pipe outer tube pipe cap, and 13 be channel flange, and 14 be baffle plate.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
As shown in Figure 1, a kind of sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator, including shell-side cylinder 1,
Bobbin carriage cylinder 2, shell-side head 3 and bobbin carriage end socket 4, the bobbin carriage cylinder 2 are connected by channel flange 13 with bobbin carriage end socket 4,
The shell-side cylinder is combined into shell side housing with shell-side head, is connected by tube sheet 7 with bobbin carriage cylinder 2, is formed outside whole equipment
Shell, tube side import 5 is provided with the bobbin carriage end socket 4, sets tube side to export 6 on the bobbin carriage cylinder 2, in the shell side
1 lower part of cylinder is provided with shell side import 8,1 top of shell-side cylinder is provided with shell-side outlet 9, in the shell-side cylinder 1
Its axial direction is provided with some baffle plates 14 being connected with 1 inner wall of shell-side cylinder.
Wherein, the shell-side cylinder 1 is provided with multigroup sword bayonet type jacket for heat exchange pipe, every group of sword bayonet type jacket for heat exchange pipe by
Jacket for heat exchange pipe inner tube 10, jacket for heat exchange pipe outer tube 11 and jacket for heat exchange pipe outer tube pipe cap 12 form, the jacket for heat exchange pipe
10 end of inner tube, which is inserted into jacket for heat exchange pipe outer tube 11, forms sword bayonet type structure, in the jacket for heat exchange pipe inner tube 10 and chuck
The annular space for being used for high temperature refrigerant flowing is formed between heat exchanger tube outer tube 11,10 other end of jacket for heat exchange pipe inner tube passes through
Bobbin carriage cylinder 2 is connected with tube side import 5, and the jacket for heat exchange pipe outer tube 11 is connected through tube sheet 7 with tube side outlet 6.High temperature work
Matter enters jacket for heat exchange pipe inner tube from tube side import, flows to jacket for heat exchange pipe outer tube, then send to downstream and set by tube side outlet
Standby, boiler feedwater enters from shell side import, passes through baffle plate and changes fluid flow direction, so as to fulfill tube side inside and outside heat exchanger tube
The convection current of medium and shell side medium is conducted heat.
The utility model has the advantages that all types U-tube steam generator, i.e. one end of sword bayonet type jacket for heat exchange pipe
It can not be constrained with free wxpansion, therefore the thermal expansion difference for considering shell journey can not had to；Avoid commonly horizontally or vertically
The larger thermal (temperature difference) stress of tube sheet caused by the bend pipe U-tube heat exchanger tube pass inlet and outlet temperature difference is big, overcomes U-tube heat exchanger center
Domain is unable to the defects of comb, and more U-shaped plum blossom type heat exchanger is designed in comb and more held with replacing with manufacture, heat exchanger tube maintenance
Easily.
The utility model has the advantages that fixed tube sheet type steam generator, i.e., stringing is compact, every heat exchanger tube independence, in
Heart district domain can whole stringings, therefore under same heat exchange area, required device diameters are small, and consumptive material and floor space are small, economical
Reasonability is high.Fixed tube sheet type steam generator tube side, shell side thermal expansion difference are big, it is necessary to using shell side expansion joint structure, due to
Boiler feedwater is high pressure, therefore the high pressure expansion joint of shell side is the difficult point in a design and manufacture, and is also held in actual operation
Easily there is fatigue damage.One end of sword bayonet type jacket for heat exchange pipe steam generator can not constrained with free wxpansion, therefore can
With the thermal expansion difference without considering shell journey.The high pressure Double pipe box of fixed tube-sheet exchanger, high material consumption, cost is higher,
And sword bayonet type jacket for heat exchange pipe steam generator is passed in and out using fluid in the same end of sword bayonet type heat exchanger tube, all inlet/outlet pipes
The same end is all concentrated on, therefore only needs to set a bobbin carriage, is occupied little space, economy is high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator, including shell-side cylinder（1）, bobbin carriage cylinder（2）, shell
Journey end socket（3）And bobbin carriage end socket（4）, in the bobbin carriage end socket（4）On be provided with tube side import（5）, in the bobbin carriage cylinder
（2）Upper setting tube side exports（6）, the bobbin carriage cylinder（2）Pass through tube sheet（7）With shell-side cylinder（1）Connection, in the shell side cylinder
Body（1）Lower part is provided with shell side import（8）, in the shell-side cylinder（1）Top is provided with shell-side outlet（9）, it is characterised in that：
In the shell-side cylinder（1）Multigroup sword bayonet type jacket for heat exchange pipe is provided with, every group of sword bayonet type jacket for heat exchange pipe is by jacket for heat exchange pipe
Inner tube（10）, jacket for heat exchange pipe outer tube（11）And jacket for heat exchange pipe outer tube pipe cap（12）Composition, the jacket for heat exchange pipe inner tube
（10）End is inserted into jacket for heat exchange pipe outer tube（11）Interior formation sword bayonet type structure, in the jacket for heat exchange pipe inner tube（10）With folder
Cover heat exchanger tube outer tube（11）Between formed be used for high temperature refrigerant flowing annular space, the jacket for heat exchange pipe inner tube（10）It is another
Hold through bobbin carriage cylinder（2）With tube side import（5）Connection, the jacket for heat exchange pipe outer tube（11）Through tube sheet（7）Go out with tube side
Mouthful（6）Connection.
2. sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator according to claim 1, it is characterised in that：
The bobbin carriage cylinder（2）Pass through channel flange（13）With bobbin carriage end socket（4）Connection.
3. sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator according to claim 1 or 2, its feature exist
In：In the shell-side cylinder（1）It is interior that its axial direction is provided with some and shell-side cylinder（1）The baffle plate of inner wall connection（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262588.3U CN207279582U (en) | 2017-09-29 | 2017-09-29 | Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262588.3U CN207279582U (en) | 2017-09-29 | 2017-09-29 | Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator |
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| Publication Number | Publication Date |
|---|---|
| CN207279582U true CN207279582U (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721262588.3U Active CN207279582U (en) | 2017-09-29 | 2017-09-29 | Sword bayonet type jacket for heat exchange tube solar photo-thermal power generation steam generator |
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| CN (1) | CN207279582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575792A (en) * | 2019-08-26 | 2019-12-17 | 清华大学 | Heat exchange type sulfuric acid catalytic decomposition reactor and catalytic method |
-
2017
- 2017-09-29 CN CN201721262588.3U patent/CN207279582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575792A (en) * | 2019-08-26 | 2019-12-17 | 清华大学 | Heat exchange type sulfuric acid catalytic decomposition reactor and catalytic method |
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