CN104534453B - A kind of cold wall type High Temperature High Pressure superheater - Google Patents
A kind of cold wall type High Temperature High Pressure superheater Download PDFInfo
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- CN104534453B CN104534453B CN201410853207.3A CN201410853207A CN104534453B CN 104534453 B CN104534453 B CN 104534453B CN 201410853207 A CN201410853207 A CN 201410853207A CN 104534453 B CN104534453 B CN 104534453B
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Abstract
The invention provides a kind of cold wall type High Temperature High Pressure superheater, including cylinder, described inner barrel forms tube side and shell side, tube side medium it is provided with in described tube side, shell side medium it is provided with in shell side, it is characterized in that, in described cylinder, be provided with the membrane type air cooling wall for isolating shell side medium and cylinder inboard wall.The membrane type air cooling wall of the present invention effectively avoids the contact of high-temperature medium and shell-side cylinder, protects shell-side cylinder；Membrane type air cooling wall is used to substitute exotic material, it is to avoid exotic material comes off the damage caused to equipment in equipment running process.
Description
Technical field
The present invention relates to a kind of cold wall type High Temperature High Pressure superheater.
Background technology
Along with the requirement of low-carbon energy-saving is stepped up by country, the mode of production of the rough formula of chemical industry is the most not
Adapting to the demand for development of modern industry, existing technique also does a lot of work in terms of how improving whole factory efficiency.
Wherein the heat recovery in chemical products production process becomes a kind of effective way improving energy utilization rate.
Heat exchanger is as the main equipment of waste heat recovery, and in chemical process flow, importance highlights all the more, changes according to statistics
The quantity of hot device accounts for chemical industry equipment used and reaches about 40%.But by ordinary heat exchanger obtain high-quality high temperature,
High steam is extremely difficult.
Summary of the invention
It is an object of the invention to overcome existing high temperature, high pressure operating mode heat exchanger selection and structure difficult the asking of design
Topic, it is provided that a kind of be applicable to produce meet the 10MPa of turbine power generation demand, the high pressure superheated steam work of 540 DEG C
The cold wall type High Temperature High Pressure superheater of condition.
In order to achieve the above object, the invention provides a kind of cold wall type High Temperature High Pressure superheater, including cylinder,
Described inner barrel forms tube side and shell side, is provided with tube side medium, is provided with shell side in shell side in described tube side
Medium, it is characterised in that be provided with the membrane type air cooling for isolating shell side medium and cylinder inboard wall in described cylinder
Wall.
Preferably, one end of described cylinder is provided with shell side inlet, and the sidewall of cylinder is provided with shell-side outlet, cylinder
The internal entrance bobbin carriage that is provided with, shell side inlet is connected with entrance bobbin carriage, described membrane type air cooling wall include trachea and
Fin, trachea and fin are welded into tubular structure, and the middle part of described tubular structure forms shell side passage, entrance
Bobbin carriage is connected with the shell side passage in the middle part of membrane type air cooling wall, and the shell side passage in the middle part of membrane type air cooling wall goes out with shell side
Mouth is connected.
It is highly preferred that the sidewall of described cylinder is provided with tube-side inlet and tube side outlet, one end of cylinder is fixed
Connecting tube side bobbin carriage, separated by the first tube sheet between cylinder and tube side bobbin carriage, tube-side inlet connects allotter, point
Orchestration connects one end of trachea, and the other end of trachea is connected through the first tube sheet with tube side bobbin carriage, described pipe
Being provided with the second tube sheet and interior end socket in journey bobbin carriage, the second tube sheet is located at one end of interior end socket and seals even with interior end socket
Connecing, the other end of interior end socket connects tube side outlet, is provided with multiple heat exchange sleeve in described shell side passage, described
Heat exchange sleeve include heat exchange outer tube and be located at the inner catheter in heat exchange outer tube, one end of heat exchange outer tube is through the
One tube sheet connects with tube side bobbin carriage, and the other end connects with one end of inner catheter, and the other end of inner catheter sequentially passes through
First tube sheet and the second tube sheet connect with interior end socket.
It is highly preferred that described trachea does not weld fin in the one end near the first tube sheet.
It is highly preferred that described tube-side inlet has 4, uniformly circumferentially it is distributed on cylinder.
It is highly preferred that the inwall of described entrance bobbin carriage is provided with exotic material.
It is highly preferred that described allotter is annular gas distribution ring.
It is highly preferred that described trachea and the first Tube-sheet Welding.
Preferably, described shell side medium is high-temperature medium, and tube side medium is the cold medium of high pressure, shell side medium and
Tube side medium is separate not to be contacted, and carries out heat exchange in inner barrel.
Compared with prior art, the invention has the beneficial effects as follows:
1, the membrane type air cooling wall of the present invention effectively avoids the contact of high-temperature medium and shell-side cylinder, protects
Shell-side cylinder；Membrane type air cooling wall is used to substitute exotic material, it is to avoid exotic material is at equipment running process
In come off the damage caused to equipment；
2, the present invention uses casing type heat exchanging tubular construction, and the expansion effectively avoiding heat exchanger tube expansion generation should
The power damage to tube sheet；
3, the present invention only has one piece of tube sheet to bear tube side and shell side pressure reduction, and the design of this heat exchanger structure make use of resistance to
High casting die is not by high temperature, and high temperature resistant part is not by the theory of high pressure, thus solves High Temperature High Pressure superheater selection difficulty and ask
Topic.
Accompanying drawing explanation
Fig. 1 is cold wall type High Temperature High Pressure superheater structural representation；
Fig. 2 is heat exchange sleeve structure partial enlarged drawing；
Fig. 3 is dispensing arrangement schematic diagram；
Fig. 4 is membrane type air cooling wall construction schematic diagram；
Fig. 5 is membrane type air cooling wall outlet partial enlarged drawing.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are only used for
The bright present invention rather than restriction the scope of the present invention.In addition, it is to be understood that reading the content that the present invention lectures
Afterwards, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within equally
The application appended claims limited range.
Embodiment
As it is shown in figure 1, be cold wall type High Temperature High Pressure superheater structural representation, described cold wall type high temperature is high
Pressure superheater includes that cylinder, described inner barrel form tube side and shell side, is provided with tube side and is situated between in described tube side
Matter, is provided with shell side medium in shell side, described shell side medium is high-temperature medium, and tube side medium is the cold medium of high pressure,
Shell side medium is separate with tube side medium not to be contacted, and carries out heat exchange in inner barrel.
One end of described cylinder is provided with shell side inlet 1, and the sidewall of cylinder is provided with shell-side outlet 15, in cylinder
Being provided with entrance bobbin carriage 2, the inwall of described entrance bobbin carriage 2 is provided with exotic material.Shell side inlet 1 with enter
Mouth bobbin carriage 2 is connected, and is provided with the membrane type air cooling wall for isolating shell side medium and cylinder inboard wall in described cylinder
5.As shown in Figure 4, described membrane type air cooling wall 5 includes trachea 16 and fin 17, trachea 16 and fin 17
Being welded into tubular structure, the middle part of described tubular structure forms shell side passage, entrance bobbin carriage 2 and membrane type air cooling
Shell side passage in the middle part of wall 5 is connected, and the shell side passage in the middle part of membrane type air cooling wall 5 is connected with shell-side outlet 15
Logical.As it is shown in figure 5, described trachea 16 does not weld fin 17 in the one end near the first tube sheet 14.Institute
The shell side stated includes shell side inlet 1, entrance bobbin carriage 2, shell side passage and shell-side outlet 15.
The sidewall of described cylinder is provided with tube-side inlet 3 and tube side outlet 11, and described tube-side inlet 3 is altogether
There are 4, are uniformly circumferentially distributed on cylinder.One end of cylinder is fixing connects tube side bobbin carriage 12, cylinder and pipe
Separated by the first tube sheet 14 between journey bobbin carriage 12, as it is shown on figure 3, tube-side inlet 3 connects allotter 4, institute
The allotter 4 stated is annular gas distribution ring, and allotter 4 connects one end of trachea 16, another of trachea 16
End is connected through the first tube sheet 14 with tube side bobbin carriage 12, and described trachea 16 welds with the first tube sheet 14,
Being provided with the second tube sheet 13 and interior end socket 10 in described tube side bobbin carriage 12, interior end socket 10 is located at by the second tube sheet 13
One end and be tightly connected with interior end socket 10, the other end of interior end socket 10 connects tube side outlet 11, described
Being provided with multiple heat exchange sleeve in shell side passage, described heat exchange sleeve is fixed on cylinder by the first tube sheet 14.
As in figure 2 it is shown, described heat exchange sleeve includes heat exchange outer tube 7 and the inner catheter 8 being located in heat exchange outer tube 7,
One end of heat exchange outer tube 7 connects through the first tube sheet 14 with tube side bobbin carriage 12, the other end and the one of inner catheter 8
End connection, the other end of inner catheter 8 sequentially passes through the first tube sheet 14 and the second tube sheet 13 connects with interior end socket 10
Logical.Described tube side include tube-side inlet 3, allotter 4, trachea 16, tube side bobbin carriage 12, heat exchange sleeve,
Interior end socket 10 and tube side outlet 11.
During use, high-temperature medium enters heat exchanger from shell side inlet 1, entrance bobbin carriage 2 coated inner wall is high temperature resistant material
Material protection cylinder, when high-temperature medium enters heat exchange area, membrane type air cooling wall 5 substitutes exotic material containment vessel
Journey cylinder.Shell side high-temperature medium carries out heat exchange with tube side medium after deflection plate 6 baffling, when high-temperature medium arrives
During shell-side outlet 15, temperature has reduced the scope that shell side metal material can bear.Above-mentioned design effectively keeps away
Having exempted from cylinder to be damaged by high-temperature medium, the wall of membrane type air cooling simultaneously 5 substitutes exotic material in heat exchange area, it is to avoid
The damage brought to heat exchanger that comes off of exotic material.Cryogenic media enters allotter 4 from tube-side inlet 3,
Cryogenic media is entered the trachea 16 in membrane type air cooling wall 5 by allotter 4, and membrane type air cooling wall 5 is by high-temperature medium
Isolating with shell-side cylinder, membrane type air cooling wall 5 is leaving a segment length not installation fins 17 near tube sheet 14 place,
I.e. the cut-off of fin 17 axial direction is to fin by position 9, therefore forms grid between trachea 16 and can allow and change
High-temperature medium after heat flows out from shell-side outlet 15.Cryogenic media is entered tube side bobbin carriage 12 by trachea, enters back into
Circular passage in heat exchange sleeve, heat exchange sleeve one end uses dome head to close, and therefore cryogenic media is through annular
Entering inner catheter 8 after channel for heat exchange, heated cryogenic media converges in interior end socket 10 and exports 11 from tube side
Flow out.
The cold wall type High Temperature High Pressure superheater of the present invention is primarily directed to high temperature, high pressure operating mode heat exchanger selection and knot
The feature that structure is difficult, is particularly suitable for producing 10MPa, the operating mode of high pressure superheated steam of 540 DEG C, and this is overheated
Steam disclosure satisfy that the demand of turbine power generation.
Claims (9)
1. a cold wall type High Temperature High Pressure superheater, including cylinder,
Described inner barrel forms tube side and shell side, is provided with tube side medium, is provided with shell side medium in shell side, it is characterised in that be provided with membrane type air cooling wall (5) for isolating shell side medium and cylinder inboard wall in described cylinder in described tube side；The sidewall of described cylinder is provided with tube-side inlet (3) and tube side outlet (11), one end of cylinder is fixing connects tube side bobbin carriage (12), separated by the first tube sheet (14) between cylinder and tube side bobbin carriage (12), tube-side inlet (3) connects allotter (4), allotter (4) connects one end of trachea (16), and the other end of trachea (16) is connected through the first tube sheet (14) with tube side bobbin carriage (12).
2. cold wall type High Temperature High Pressure superheater as claimed in claim 1, it is characterized in that, one end of described cylinder is provided with shell side inlet (1), the sidewall of cylinder is provided with shell-side outlet (15), entrance bobbin carriage (2) it is provided with in cylinder, shell side inlet (1) is connected with entrance bobbin carriage (2), described membrane type air cooling wall (5) includes trachea (16) and fin (17), trachea (16) and fin (17) are welded into tubular structure, the middle part of described tubular structure forms shell side passage, entrance bobbin carriage (2) is connected with the shell side passage at membrane type air cooling wall (5) middle part, the shell side passage at membrane type air cooling wall (5) middle part is connected with shell-side outlet (15).
null3. cold wall type High Temperature High Pressure superheater as claimed in claim 2，It is characterized in that，The second tube sheet (13) and interior end socket (10) it is provided with in described tube side bobbin carriage (12)，Second tube sheet (13) is located at one end of interior end socket (10) and is tightly connected with interior end socket (10)，The other end of interior end socket (10) connects tube side outlet (11)，It is provided with multiple heat exchange sleeve in described shell side passage，Described heat exchange sleeve includes heat exchange outer tube (7) and the inner catheter (8) being located in heat exchange outer tube (7)，One end of heat exchange outer tube (7) connects through the first tube sheet (14) with tube side bobbin carriage (12)，The other end connects with the one end of inner catheter (8)，The other end of inner catheter (8) sequentially passes through the first tube sheet (14) and connects with interior end socket (10) with the second tube sheet (13).
4. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that described trachea (16) does not weld fin (17) in the one end near the first tube sheet (14).
5. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that described tube-side inlet (3) has 4, is uniformly circumferentially distributed on cylinder.
6. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that the inwall of described entrance bobbin carriage (2) is provided with exotic material.
7. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that described allotter (4) is annular gas distribution ring.
8. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that described trachea (16) welds with the first tube sheet (14).
9. cold wall type High Temperature High Pressure superheater as claimed in claim 3, it is characterised in that described shell side medium is high-temperature medium, and tube side medium is the cold medium of high pressure, and shell side medium is separate with tube side medium not to be contacted, and carries out heat exchange in inner barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853207.3A CN104534453B (en) | 2014-12-30 | 2014-12-30 | A kind of cold wall type High Temperature High Pressure superheater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410853207.3A CN104534453B (en) | 2014-12-30 | 2014-12-30 | A kind of cold wall type High Temperature High Pressure superheater |
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| CN104534453A CN104534453A (en) | 2015-04-22 |
| CN104534453B true CN104534453B (en) | 2016-11-23 |
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| CN107883370A (en) * | 2016-09-30 | 2018-04-06 | 中石化洛阳工程有限公司 | A kind of vertical steam superheater |
| CN106643222B (en) * | 2016-11-25 | 2019-08-02 | 上海锅炉厂有限公司 | A kind of shell side is from cooling protection movable tube sheets heat exchanger and heat-exchange method |
| CN110514031B (en) * | 2019-07-15 | 2021-07-06 | 合肥通用机械研究院有限公司 | Combined pipe type cryogenic working medium gasification heat exchange equipment |
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| JPH02150604A (en) * | 1988-12-02 | 1990-06-08 | Hitachi Ltd | Method for preventing breakdown of moisture content separating heater drum and device therefor |
| CN101665724A (en) * | 2008-09-05 | 2010-03-10 | 绿色煤电有限公司 | Water-coal-slurry gasification method and gasification furnace |
| CN101703910B (en) * | 2009-08-20 | 2012-10-17 | 上海国际化建工程咨询公司 | Built-in cold wall type shift reactor for heat exchanger and direction connection structure for shift reactor and downstream heat exchanging equipment |
| CN202304517U (en) * | 2011-10-14 | 2012-07-04 | 中国空分设备有限公司 | Medium heat medium reboiling type vaporizer |
| CN104154527A (en) * | 2014-08-15 | 2014-11-19 | 浙江特富锅炉有限公司 | High temperature superheater of steam boiler |
| CN204042925U (en) * | 2014-08-21 | 2014-12-24 | 庆阳长荣机械设备制造有限公司 | The airtight burner of air cold wall type |
| CN204460178U (en) * | 2014-12-30 | 2015-07-08 | 上海锅炉厂有限公司 | Cold wall type HTHP superheater |
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