CN108387121A - Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling - Google Patents
Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling Download PDFInfo
- Publication number
- CN108387121A CN108387121A CN201810334881.9A CN201810334881A CN108387121A CN 108387121 A CN108387121 A CN 108387121A CN 201810334881 A CN201810334881 A CN 201810334881A CN 108387121 A CN108387121 A CN 108387121A
- Authority
- CN
- China
- Prior art keywords
- pipe
- screw thread
- flue gas
- nut
- gas waste
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003546 flue gas Substances 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- 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
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/006—Constructions of heat-exchange apparatus characterised by the selection of particular materials of glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/20—Fastening; Joining with threaded elements
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 present invention relates to flue gas waste heat recovery heat exchangers to solve existing heat exchanger and not be suitable for low-temperature flue gas waste heat recycling particularly for the glass heat exchange of heat pipe of low-temperature flue gas waste heat recycling, and cost is high, not easy cleaning, the problem of sealing difference, scheme：Heat exchanger tube is glass heat exchange pipe, and following connection structure is used between exchanger tubes and tubesheets：The flanged external screw thread screwed pipe in one end is screwed on tube sheet, seal groove is provided on flange, washer is equipped in slot, the screwed pipe other end is screwed with middle part nut and end nut, washer is embedded between middle part nut and tube sheet, end nut endoporus is provided with threading steps hole, and screwed pipe end is threaded into stepped hole and is embedded with seal washer.Advantage：1, processing and manufacturing is easy, of low cost；2, recoverable low-temperature flue gas waste heat；Corrosion-resistant, disassembly, cleaning are conveniently；3, multi-sealed effect is good；4, service life is long；5, solve the problems, such as that glass heat exchange pipe and tube sheet are tightly connected, protective glass heat exchanger tube.
Description
Technical field
The present invention relates to flue gas waste heat recovery heat exchangers, exchange heat particularly for the glass tube of low-temperature flue gas waste heat recycling
Device.
Background technology
Flue gas waste heat recovery heat exchanger at present has the following disadvantages in use：（1）Various flue gas waste heat recovery equipments because
Perplexed by low-temperature dew point corrosion problem, the waste heat recovery flue gas being applicable in is generally all at 200 DEG C or more；（2）Heat exchanger tube used is more
For stainless steel, cost is higher, and not easy to clean；（3）It is not easy to and manages after heat exchanger tube is directly replaced with glass material
It is tightly connected between plate, poor sealing between glass tube and tube sheet, is easy that glass tube is caused to damage, influences heat exchange efficiency.Cause
This, a kind of glass heat exchange of heat pipe being used for low-temperature flue gas waste heat recycling, corrosion resistant, easy cleaning, sealing effect is good of design
Be very it is necessary to.
Invention content
The present invention solves existing flue gas waste heat recovery at present and is not suitable for low-temperature flue gas waste heat recycling, cost with heat exchanger
Of high cost, not easy to clean, the problem of sealing effect difference, provides a kind of glass tube heat exchange for low-temperature flue gas waste heat recycling
Device.
The present invention is achieved by the following technical solutions：For the glass heat exchange of heat pipe of low-temperature flue gas waste heat recycling, packet
Flue gas waste heat recovery heat exchanger body is included, the heat exchanger tube of the flue gas waste heat recovery heat exchanger body is glass heat exchange pipe, described
Following Hermetical connecting structure is used between glass heat exchange pipe and tube sheet：External screw thread screwed pipe, the external screw thread are screwed on the tube sheet
Glass heat exchange pipe is installed in screwed pipe, an end of the external screw thread screwed pipe is equipped with sealing flange, the sealing flange and tube sheet phase
To be provided with lower annular seal groove on one side, the lower annular seal groove is embedded with lower seal washer；The external screw thread spiral shell
The pipe other end is pierced by after tube sheet is screwed with middle part nut and end nut successively, and the tube sheet is opposite with middle part nut to be provided on one side
Middle part annular seal groove, the threaded hole that the middle part annular seal groove coordinates with external screw thread screwed pipe and tube sheet connects, in described
Portion's annular seal groove is embedded with middle part seal washer, and the middle part nut is bonded with the another side of tube sheet and compresses middle part gasket
Circle；The endoporus of the end nut is provided with step threaded hole, and external screw thread screwed pipe end is screwed into the level-one of end nut
In ladder threaded hole, end seals washer is embedded between external screw thread screwed pipe end and the cascaded surface of step threaded hole,
The glass heat exchange pipe is penetrated by sealing flange one end of external screw thread screwed pipe, by end nut after end seals washer sealing
Endoporus is pierced by.Lower annular seal groove is provided on sealing flange, lower annular seal groove is embedded with lower seal washer, external screw thread
Screwed pipe is screwed into tube sheet, and sealing flange compresses lower seal washer, gap between external screw thread screwed pipe and tube sheet lower surface into
Row sealing.Middle part nut compresses the middle part seal washer in the annular seal groove of middle part, between external screw thread screwed pipe and tube sheet upper surface
Gap be sealed.The endoporus of end nut is provided with step threaded hole, cascaded surface and the external screw thread spiral shell in step hole
End seals washer is embedded between the end of pipe, the gap between glass heat exchange pipe and external screw thread screwed pipe is sealed.Glass changes
Heat pipe can be recycled 200 DEG C of low-temperature flue gas waste heats below, and the shell side of heat exchanger walks flue gas, and tube side is walked cold water etc. and needed
Add hot medium, realize the recycling of low-temperature flue gas waste heat, and glass heat exchange pipe is corrosion-resistant, without solid with Tube-sheet Welding
It is fixed, it is readily disassembled cleaning.
The present invention has the following advantages：1, processing and manufacturing is easy, of low cost；2,200 DEG C of recoverable or less low temperature
Fume afterheat；Corrosion-resistant, disassembly, cleaning are conveniently；3, multi-sealed effect is good；4, replacing seal washer can prolong the service life；
5, it solves the problems, such as that glass heat exchange pipe is not easy to be tightly connected with tube sheet, plays a protective role to glass heat exchange pipe.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is glass heat exchange pipe and tube sheet Hermetical connecting structure schematic diagram；
In figure：1- tube sheets, 2- glass heat exchange pipes, 3- external screw thread screwed pipes, 4- lower seal washers, the middle parts 5- nut, the ends 6- spiral shell
Mother, the middle parts 7- seal washer, 8- end seals washers.
Specific implementation mode
For the glass heat exchange of heat pipe of low-temperature flue gas waste heat recycling, including flue gas waste heat recovery heat exchanger body, the cigarette
The heat exchanger tube of gas heat recovery heat exchanger ontology is glass heat exchange pipe 2, using following between the glass heat exchange pipe 2 and tube sheet 1
Hermetical connecting structure：It is screwed with external screw thread screwed pipe 3 on the tube sheet 1, glass heat exchange pipe 2 is installed in the external screw thread screwed pipe 3, it is described
One end of external screw thread screwed pipe 3 is equipped with sealing flange, and the sealing flange be on one side the provided with lower annular opposite with tube sheet 1 seals
Slot, the lower annular seal groove are embedded with lower seal washer 4；3 other end of external screw thread screwed pipe is pierced by after tube sheet 1 successively
Be screwed with middle part nut 5 and end nut 6, the tube sheet 1 it is opposite with middle part nut 5 be provided on one side in the middle part of annular seal groove, institute
It states the threaded hole that middle part annular seal groove coordinates with external screw thread screwed pipe 3 and tube sheet 1 to connect, the middle part annular seal groove is embedded
There are middle part seal washer 7, the middle part nut 5 to be bonded with the another side of tube sheet 1 and compress middle part seal washer 7；The end
The endoporus of nut 6 is provided with step threaded hole, and 3 end of external screw thread screwed pipe is screwed into the step screw thread of end nut 6
In hole, end seals washer 8, the glass are embedded between 3 end of external screw thread screwed pipe and the cascaded surface of step threaded hole
Glass heat exchanger tube 2 is penetrated by sealing flange one end of external screw thread screwed pipe 3, by end nut 6 after the sealing of end seals washer 8
Hole is pierced by.
When it is implemented, the end of the external screw thread screwed pipe 3 is provided with the cone-shaped end that inward hole is tilted and penetrated through with endoporus
Seal groove.The tapered inward hole of end seals slot tilts, and when end nut 6 is locked, end seals washer 8 is to glass heat exchange pipe
2 middle part crimps, sealing effect are further promoted.
When installation, first lower seal washer 4 is sleeved on external screw thread screwed pipe 3, the lower annular on embedding sealing flange is close
In sealing groove, external screw thread screwed pipe 3 is screwed into tube sheet 1, sealing flange compression lower seal washer 4 is simultaneously sturdy with 1 lower surface of tube sheet,
After the middle part annular seal groove of 1 upper surface of tube sheet is embedded in middle part seal washer 7, middle part nut 5 is screwed into external screw thread screwed pipe 3,
And middle part seal washer 7 is compressed, the lower surface and 1 upper surface of tube sheet of middle part nut 5 are sturdy.By glass heat exchange pipe 2 by external screw thread
The lower end of screwed pipe 3 penetrates, and end seals washer 8 is arranged in cone-shaped end seal groove, finally changes end nut 6 by glass
2 upper end of heat pipe is inserted in, and 3 upper end of external screw thread screwed pipe, pressed end seal washer 8 are screwed into.
Claims (2)
1. a kind of glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling, including flue gas waste heat recovery heat exchanger body, special
Sign is：The heat exchanger tube of the flue gas waste heat recovery heat exchanger body is glass heat exchange pipe（2）, the glass heat exchange pipe（2）With
Tube sheet（1）Between use following Hermetical connecting structure：The tube sheet（1）On be screwed with external screw thread screwed pipe（3）, the external screw thread screwed pipe
（3）Inside it is installed with glass heat exchange pipe（2）, the external screw thread screwed pipe（3）An end be equipped with sealing flange, the sealing flange with pipe
Plate（1）Opposite is provided with lower annular seal groove on one side, and the lower annular seal groove is embedded with lower seal washer（4）；Institute
State external screw thread screwed pipe（3）The other end is pierced by tube sheet（1）It is screwed with middle part nut successively afterwards（5）And end nut（6）, the tube sheet
（1）With middle part nut（5）Opposite is provided with middle part annular seal groove, the middle part annular seal groove and external screw thread screwed pipe on one side
（3）And tube sheet（1）The threaded hole of cooperation connects, and the middle part annular seal groove is embedded with middle part seal washer（7）, in described
Portion's nut（5）With tube sheet（1）Another side be bonded and compress middle part seal washer（7）；The end nut（6）Endoporus be provided with
Step threaded hole, the external screw thread screwed pipe（3）End is screwed into end nut（6）Step threaded hole in, it is described outer
Screw thread screwed pipe（3）End seals washer is embedded between end and the cascaded surface of step threaded hole（8）, the glass heat exchange pipe
（2）By external screw thread screwed pipe（3）Sealing flange one end penetrate, through end seals washer（8）By end nut after sealing（6）It is interior
Hole is pierced by.
2. the glass heat exchange of heat pipe according to claim 1 for low-temperature flue gas waste heat recycling, it is characterised in that：It is described outer
Screw thread screwed pipe（3）End be provided with inward hole and tilt and the cone-shaped end seal groove that is penetrated through with endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334881.9A CN108387121B (en) | 2018-04-15 | 2018-04-15 | Glass tube heat exchanger for recovering low-temperature flue gas waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334881.9A CN108387121B (en) | 2018-04-15 | 2018-04-15 | Glass tube heat exchanger for recovering low-temperature flue gas waste heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108387121A true CN108387121A (en) | 2018-08-10 |
| CN108387121B CN108387121B (en) | 2024-02-06 |
Family
ID=63064593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810334881.9A Active CN108387121B (en) | 2018-04-15 | 2018-04-15 | Glass tube heat exchanger for recovering low-temperature flue gas waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387121B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945733A (en) * | 2019-04-18 | 2019-06-28 | 青岛达能环保设备股份有限公司 | Fume treatment exchanger tubes and tubesheets connect system |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117821A2 (en) * | 1983-02-28 | 1984-09-05 | Baltimore Aircoil Company, Inc. | Compression sealing of tubes within shell and tube heat exchangers |
| DE3500767A1 (en) * | 1985-01-11 | 1986-08-07 | Friedrich 7181 Satteldorf Müller | Electrically insulating collar |
| CN2225013Y (en) * | 1995-06-15 | 1996-04-17 | 常州市化工设备厂 | Glass-enameled tube shell style heat exchanger |
| CN2283174Y (en) * | 1997-04-30 | 1998-06-03 | 宋国君 | Nut clamping type flange pipe plate for heat exchanger |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN202993956U (en) * | 2012-12-29 | 2013-06-12 | 北京广厦环能科技有限公司 | Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger |
| CN203731927U (en) * | 2013-12-04 | 2014-07-23 | 英特换热设备(浙江)有限公司 | Collector fixing structure suitable for shell-and-tube heat exchanger |
| CN104613239A (en) * | 2014-12-05 | 2015-05-13 | 江门市君盛实业有限公司 | Sealing structure |
| CN105202963A (en) * | 2015-09-29 | 2015-12-30 | 茂名重力石化机械制造有限公司 | Non-welding forced sealing structure for heat exchange tube and tube plate |
| CN105910474A (en) * | 2016-06-29 | 2016-08-31 | 李志典 | Multi-pipe-plate heat exchanger |
| CN106123657A (en) * | 2016-06-20 | 2016-11-16 | 浙江浙能台州第二发电有限责任公司 | Heat medium water tubular type flue gas heat-exchange unit |
| CN205784746U (en) * | 2016-07-13 | 2016-12-07 | 大唐户县第二热电厂 | A kind of fluoroplastics heat exchanger tube flue gas heat-exchange unit |
| CN107255427A (en) * | 2017-07-06 | 2017-10-17 | 天津大学 | A kind of pipe sleeve seal for high temperature bushing type flue gas heat-exchange unit |
| CN208075631U (en) * | 2018-04-15 | 2018-11-09 | 山西阳煤化工机械（集团）有限公司 | Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling |
-
2018
- 2018-04-15 CN CN201810334881.9A patent/CN108387121B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117821A2 (en) * | 1983-02-28 | 1984-09-05 | Baltimore Aircoil Company, Inc. | Compression sealing of tubes within shell and tube heat exchangers |
| DE3500767A1 (en) * | 1985-01-11 | 1986-08-07 | Friedrich 7181 Satteldorf Müller | Electrically insulating collar |
| CN2225013Y (en) * | 1995-06-15 | 1996-04-17 | 常州市化工设备厂 | Glass-enameled tube shell style heat exchanger |
| CN2283174Y (en) * | 1997-04-30 | 1998-06-03 | 宋国君 | Nut clamping type flange pipe plate for heat exchanger |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN202993956U (en) * | 2012-12-29 | 2013-06-12 | 北京广厦环能科技有限公司 | Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger |
| CN203731927U (en) * | 2013-12-04 | 2014-07-23 | 英特换热设备(浙江)有限公司 | Collector fixing structure suitable for shell-and-tube heat exchanger |
| CN104613239A (en) * | 2014-12-05 | 2015-05-13 | 江门市君盛实业有限公司 | Sealing structure |
| CN105202963A (en) * | 2015-09-29 | 2015-12-30 | 茂名重力石化机械制造有限公司 | Non-welding forced sealing structure for heat exchange tube and tube plate |
| CN106123657A (en) * | 2016-06-20 | 2016-11-16 | 浙江浙能台州第二发电有限责任公司 | Heat medium water tubular type flue gas heat-exchange unit |
| CN105910474A (en) * | 2016-06-29 | 2016-08-31 | 李志典 | Multi-pipe-plate heat exchanger |
| CN205784746U (en) * | 2016-07-13 | 2016-12-07 | 大唐户县第二热电厂 | A kind of fluoroplastics heat exchanger tube flue gas heat-exchange unit |
| CN107255427A (en) * | 2017-07-06 | 2017-10-17 | 天津大学 | A kind of pipe sleeve seal for high temperature bushing type flue gas heat-exchange unit |
| CN208075631U (en) * | 2018-04-15 | 2018-11-09 | 山西阳煤化工机械（集团）有限公司 | Glass heat exchange of heat pipe for low-temperature flue gas waste heat recycling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945733A (en) * | 2019-04-18 | 2019-06-28 | 青岛达能环保设备股份有限公司 | Fume treatment exchanger tubes and tubesheets connect system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108387121B (en) | 2024-02-06 |
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