CN107062980A - A kind of heat exchange tube seal structure of liquid-gas type heat exchanger - Google Patents
A kind of heat exchange tube seal structure of liquid-gas type heat exchanger Download PDFInfo
- Publication number
- CN107062980A CN107062980A CN201611263475.5A CN201611263475A CN107062980A CN 107062980 A CN107062980 A CN 107062980A CN 201611263475 A CN201611263475 A CN 201611263475A CN 107062980 A CN107062980 A CN 107062980A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- liquid
- seal structure
- exchanger tube
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims description 26
- 238000005260 corrosion Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat exchange tube seal structure of liquid-gas type heat exchanger, it is related to the end plate technical field of sealing technology of heat transmission equipment；Including the upper perforated plate with sealing hole, the heat exchanger tube being arranged in the sealing hole and the internal lining pipe being arranged in the heat exchanger tube, the heat exchanger tube to the inwall direction tensioner of the sealing hole, is formed the composite sandwich structural of the inwall heat exchange tube wall internal lining pipe wall of sealing hole by the internal lining pipe.The sealing structure is applied to large-scale liquid-gas type heat exchanger, and available in the heat exchanger in high-temperature flue gas processing system, support strength is big, good sealing effect.
Description
Technical field
The present invention relates to heat transmission equipment end plate technical field of sealing technology, in particular to a kind of heat exchanger tube of liquid-gas formula heat exchanger
Sealing structure.
Background technology
With the increasingly depleted of oil, coal etc., energy problem is increasingly highlighted in face of people, except tapping a new source of energy
Outside, the saving of the existing energy and recycling also turn into people's priority fields of study.
In energy utilization technology, heat exchanger be cooling hot fluid each other heat-shift and be not directly contacted with one
Equipment is planted, pipe heat exchanger therein has a wide range of applications in fields such as coal-burning boiler, waste incineration and generating electricities.
High-temperature flue gas is cooled down as cooling medium using the liquid phase thing such as water, heated water can be used as other field
Thermal medium utilized, such as warm oneself, be improve efficiency of energy utilization effective means；But the density of water compared with for air more
Greatly, for as heat exchanger, with water as tube side cooling media when, in the case of larger, it is ensured that while sealing
The problem of support and load-bearing of heat exchanger tube become urgent need to resolve.
The content of the invention
Present invention aim to provide a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger, it is adaptable to extensive
Liquid-gas formula heat exchanger, available in the heat exchanger in high-temperature flue gas processing system, support strength is big, good sealing effect.
To achieve the above object, a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger designed by the present invention, including band
There are the upper perforated plate of sealing hole, the heat exchanger tube being arranged in the sealing hole and the internal lining pipe being arranged in the heat exchanger tube, institute
Internal lining pipe is stated by the heat exchanger tube to the inwall direction tensioner of the sealing hole, inwall-heat exchange tube wall-liner of sealing hole is formed
The composite sandwich structural of tube wall.
The heat exchanger tube is made of corrosion resistant light material, preferably PTFE material.
As the preferred of above-mentioned technical proposal, corrosion-resistant coating neck is offered on the inwall of the sealing hole lower end, it is described
Corrosion-resistant coating neck is cylindrical in shape, for being connected with corrosion-resistant coating.
As the preferred of above-mentioned technical proposal, the corrosion-resistant coating is included positioned at the anticorrosion sheet material of bottom and positioned at upper
Portion and the position anticorrosion Access Division corresponding with the corrosion-resistant coating neck, the anticorrosion Access Division is shaped as and institute
State tubular of the corrosion-resistant coating neck to adaptation；That is, in the installation position of the corrosion-resistant coating, the inwall of sealing hole-anti-is formd
Corrode the composite sandwich structural of Access Division-heat exchange tube wall-liner tube wall.
As the preferred of above-mentioned technical proposal, the position interval that the inwall of the sealing hole is connected with the heat exchanger tube
It is provided with heat exchanger tube neck.
As the preferred of above-mentioned technical proposal, the longitudinal sectional shape of the heat exchanger tube neck be it is trapezoidal, and trapezoidal bottom,
Outer wall of the i.e. longer bottom close to the heat exchanger tube.
As the preferred of above-mentioned technical proposal, the position that the tube wall of the internal lining pipe is in contact with the heat exchanger tube is provided with
Ripple Access Division.
As the preferred of above-mentioned technical proposal, the ripple Access Division is provided with interval towards the sealing hole inwall direction
Burr, heat exchanger tube groove position is corresponding described in the position of the burr, i.e., the related heat exchange tube wall clamping of described burr
Enter in the heat exchanger tube neck, form the composite intermediate layer interface arrangment of burr-heat exchange tube wall-heat exchanger tube neck.
As the preferred of above-mentioned technical proposal, the hard member that the upper perforated plate and the internal lining pipe are made for stainless steel, institute
It is the soft pipe that PTFE material is made to state heat exchanger tube.
As the preferred of above-mentioned technical proposal, the upper end of the internal lining pipe and the upper end flush of the upper perforated plate,
The bottom of the internal lining pipe is provided with extension beyond the corrosion-resistant coating position.
As the preferred of above-mentioned technical proposal, the extension is the cone that internal diameter is gradually reduced downwards.
Cone plays a part of injection current, can increase the flow velocity of water.
The present invention compared with prior art, with advantages below and beneficial effect：
（1）The heat exchange tube seal structure of the liquid-gas formula heat exchanger is applied to large-scale liquid-gas formula heat exchanger, available for high temperature
In heat exchanger in smoke processing system；
（2）The heat exchange tube seal structure support strength of the liquid-gas formula heat exchanger is big, it is ensured that water-filled heat exchange is in control enough
Support；
（3）The heat exchange tube seal structure good sealing effect of the liquid-gas formula heat exchanger.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the heat exchange tube seal structure of liquid-gas formula heat exchanger.
In figure：Heat exchanger tube a, upper perforated plate 1, sealing hole 11, corrosion-resistant coating neck 11-1, heat exchanger tube neck 11-2, internal lining pipe
12nd, ripple Access Division 12-1, extension 12-2, corrosion-resistant coating 13, anticorrosion sheet material 13-1, anticorrosion Access Division 13-2.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1：With reference to Fig. 1, a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger, including with the stainless of sealing hole 11
Steel upper perforated plate 1, the polytetrafluoroethylene (PTFE) heat exchanger tube a being arranged in the sealing hole 11 and it is arranged in the heat exchanger tube a
Stainless steel internal lining pipe 12, the inwall of the sealing hole 11 is provided with heat exchange with the heat exchanger tube a position intervals being connected
Pipe clamp groove 11-2, the heat exchanger tube neck 11-2 longitudinal sectional shape is trapezoidal, and trapezoidal bottom, an i.e. longer bottom are leaned on
Nearly heat exchanger tube a outer wall, the tube wall of the internal lining pipe 12 is provided with ripple clamping with the heat exchanger tube a positions being in contact
Portion 12-1, the ripple Access Division 12-1 set spaced burr towards the inwall direction of sealing hole 11, the burr
Heat exchanger tube neck 11-2 positions are corresponding described in position, and the internal lining pipe 12 is by the heat exchanger tube a into the sealing hole 11
Wall direction tensioner, i.e., the described related heat exchanger tube a wall clampings of burr enter in the heat exchanger tube neck 11-2, formation burr-change
Heat pipe a walls-heat exchanger tube neck 11-2 composite intermediate layer interface arrangment.
Corrosion-resistant coating neck 11-1, the corrosion-resistant coating neck 11-1 are offered on the inwall of the lower end of sealing hole 11 is in
Tubular, for being connected with corrosion-resistant coating 13, the corrosion-resistant coating 13 includes the anticorrosion sheet material 13-1 and position positioned at bottom
In top and the position anticorrosion Access Division 13-2 corresponding with the corrosion-resistant coating neck 11-1, the anticorrosion Access Division
13-2's is shaped as with the corrosion-resistant coating neck 11-1 to the tubular being adapted to；That is, in the installation position of the corrosion-resistant coating 13,
Form the composite sandwich structural of inwall-anticorrosion Access Division 13-2- heat exchanger tubes a walls-wall of internal lining pipe 12 of sealing hole 11.
Embodiment 2：With reference to Fig. 1, a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger, the difference with embodiment 1
It is：The upper end of the internal lining pipe 12 and the upper end flush of the upper perforated plate 1, the bottom of the internal lining pipe 12 exceeds
The position of corrosion-resistant coating 13 is provided with extension 12-2, and the extension 12-2 is the cone that internal diameter is gradually reduced downwards.
Claims (10)
1. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger, it is characterised in that：Including with sealing hole（11）Upper perforated plate
（1）, be arranged on the sealing hole（11）Interior heat exchanger tube（a）And it is arranged on the heat exchanger tube（a）Interior internal lining pipe（12）, institute
State internal lining pipe（12）By the heat exchanger tube（a）To the sealing hole（11）Inwall direction tensioner, formed sealing hole（11）It is interior
Wall-heat exchanger tube（a）Wall-internal lining pipe（12）The composite sandwich structural of wall.
2. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 1, it is characterised in that：It is described close
Sealing of hole（11）Corrosion-resistant coating neck is offered on the inwall of lower end（11-1）, the corrosion-resistant coating neck（11-1）It is cylindrical in shape, uses
In with corrosion-resistant coating（13）It is connected.
3. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 2, it is characterised in that：It is described anti-
Corrosion layer（13）Including the anticorrosion sheet material positioned at bottom（13-1）And superposed and position and the corrosion-resistant coating card
Groove（11-1）Corresponding anticorrosion Access Division（13-2）, the anticorrosion Access Division（13-2）Be shaped as and the anticorrosion
Layer neck（11-1）To the tubular of adaptation；That is, in the corrosion-resistant coating（13）Installation position, form sealing hole（11）It is interior
Wall-anticorrosion Access Division（13-2）- heat exchanger tube（a）Wall-internal lining pipe（12）The composite sandwich structural of wall.
4. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 1, it is characterised in that：It is described close
Sealing of hole（11）Inwall and the heat exchanger tube（a）The position interval that is connected is provided with heat exchanger tube neck（11-2）.
5. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 4, it is characterised in that：It is described to change
Heat pipe neck（11-2）Longitudinal sectional shape to be trapezoidal, and trapezoidal bottom, an i.e. longer bottom are close to the heat exchanger tube（a）
Outer wall.
6. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 4, it is characterised in that：In described
Bushing pipe（12）Tube wall and the heat exchanger tube（a）The position being in contact is provided with ripple Access Division（12-1）.
7. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 6, it is characterised in that：The ripple
Line Access Division（12-1）Towards the sealing hole（11）Inwall direction sets spaced burr, is changed described in the position of the burr
Heat pipe neck（11-2）Position is corresponding, i.e., the described related heat exchanger tube of burr（a）Wall clamping enters the heat exchanger tube neck
（11-2）It is interior, form burr-heat exchanger tube（a）Wall-heat exchanger tube neck（11-2）Composite intermediate layer interface arrangment.
8. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to any bar in claim 1 ~ 7, its feature exists
In：The upper perforated plate（1）With the internal lining pipe（12）The hard member being made for stainless steel, the heat exchanger tube（a）For PTFE material
The soft pipe being made.
9. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to any bar in claim 2 ~ 7, its feature exists
In：The internal lining pipe（12）Upper end and the upper perforated plate（1）Upper end flush, the internal lining pipe（12）Bottom
Beyond the corrosion-resistant coating（13）Position is provided with extension（12-2）.
10. a kind of heat exchange tube seal structure of liquid-gas formula heat exchanger according to claim 9, it is characterised in that：It is described to prolong
Stretch section（12-2）The cone being gradually reduced downwards for internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263475.5A CN107062980A (en) | 2016-12-30 | 2016-12-30 | A kind of heat exchange tube seal structure of liquid-gas type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263475.5A CN107062980A (en) | 2016-12-30 | 2016-12-30 | A kind of heat exchange tube seal structure of liquid-gas type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107062980A true CN107062980A (en) | 2017-08-18 |
Family
ID=59623515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611263475.5A Pending CN107062980A (en) | 2016-12-30 | 2016-12-30 | A kind of heat exchange tube seal structure of liquid-gas type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111788452A (en) * | 2017-12-15 | 2020-10-16 | 阿法拉伐奥米有限公司 | Erosion-resistant device for shell-and-tube systems |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561514A1 (en) * | 1992-02-24 | 1993-09-22 | Energiagazdálkodási Részvénytársaság | Pipe connection and method of making it |
| RU2173232C2 (en) * | 1999-12-06 | 2001-09-10 | Самарский государственный аэрокосмический университет им. акад.С.П. Королева | Process of fixing pipes in pipe grates |
| CN101469791A (en) * | 2007-12-26 | 2009-07-01 | 上海建设路桥机械设备有限公司 | Connecting method of steel pipe head section and pipe sheet in pressure vessel |
| CN202660960U (en) * | 2012-06-19 | 2013-01-09 | 茂名重力石化机械制造有限公司 | Tube bundle expanded joint sealing structure |
| CN204630446U (en) * | 2015-03-11 | 2015-09-09 | 北京中电科荟热力技术有限公司 | A kind of mounting structure of flue gas heat-exchange unit |
| CN205642116U (en) * | 2016-01-29 | 2016-10-12 | 一铁（北京）金属制品有限公司 | Fluoroplastics pipe heat exchanger tube and tube plate's connection, seal structure |
| CN206479085U (en) * | 2016-12-30 | 2017-09-08 | 湖州鼎诚环保科技有限公司 | A kind of heat exchange tube seal structure of liquid-gas type heat exchanger |
-
2016
- 2016-12-30 CN CN201611263475.5A patent/CN107062980A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561514A1 (en) * | 1992-02-24 | 1993-09-22 | Energiagazdálkodási Részvénytársaság | Pipe connection and method of making it |
| RU2173232C2 (en) * | 1999-12-06 | 2001-09-10 | Самарский государственный аэрокосмический университет им. акад.С.П. Королева | Process of fixing pipes in pipe grates |
| CN101469791A (en) * | 2007-12-26 | 2009-07-01 | 上海建设路桥机械设备有限公司 | Connecting method of steel pipe head section and pipe sheet in pressure vessel |
| CN202660960U (en) * | 2012-06-19 | 2013-01-09 | 茂名重力石化机械制造有限公司 | Tube bundle expanded joint sealing structure |
| CN204630446U (en) * | 2015-03-11 | 2015-09-09 | 北京中电科荟热力技术有限公司 | A kind of mounting structure of flue gas heat-exchange unit |
| CN205642116U (en) * | 2016-01-29 | 2016-10-12 | 一铁（北京）金属制品有限公司 | Fluoroplastics pipe heat exchanger tube and tube plate's connection, seal structure |
| CN206479085U (en) * | 2016-12-30 | 2017-09-08 | 湖州鼎诚环保科技有限公司 | A kind of heat exchange tube seal structure of liquid-gas type heat exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111788452A (en) * | 2017-12-15 | 2020-10-16 | 阿法拉伐奥米有限公司 | Erosion-resistant device for shell-and-tube systems |
| CN111788452B (en) * | 2017-12-15 | 2021-09-28 | 阿法拉伐奥米有限公司 | Erosion-resistant device for shell-and-tube systems |
| US11466942B2 (en) | 2017-12-15 | 2022-10-11 | Alfa Laval Olmi S.P.A | Anti-erosion device for a shell-and-tube equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |