CN203533605U - Ceramic material radiant tube burner heat exchanger - Google Patents
Ceramic material radiant tube burner heat exchanger Download PDFInfo
- Publication number
- CN203533605U CN203533605U CN201320612790.XU CN201320612790U CN203533605U CN 203533605 U CN203533605 U CN 203533605U CN 201320612790 U CN201320612790 U CN 201320612790U CN 203533605 U CN203533605 U CN 203533605U
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- Prior art keywords
- heat exchanger
- flange
- exchanger shell
- heat
- end plate
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- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 13
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000005855 radiation Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 15
- 238000005495 investment casting Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 19
- 238000005070 sampling Methods 0.000 abstract 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Combustion Of Fluid Fuel (AREA)
- Gas Burners (AREA)
Abstract
The utility model provides a supporting carborundum ceramic material radiant tube nozzle heat exchanger that uses of radiant tube nozzle. The heat exchanger comprises a ceramic heat exchange tube, an air inlet tube, a butt-clamping flange, a heat exchanger shell end plate, a preheated air outlet tube and a sampling tube, wherein the ceramic heat exchange tube is designed in a double-sided concave-convex hemispherical structure and is fixed on the heat exchanger shell end plate through the butt-clamping flange; the air inlet pipe penetrates into the ceramic heat exchange pipe from the center of the end plate of the heat exchanger shell; the preheating air outlet pipe penetrates through the end face flange on the heat exchanger shell and is fixed with the heat exchanger shell and the end plate of the heat exchanger shell, and the sampling pipe penetrates through a sampling hole formed in the heat exchanger shell and is welded and fixed with the heat exchanger shell. The device can improve the heat exchange efficiency, thereby prolonging the service life of the radiant tube.
Description
Technical field
The utility model relates to technical field of heat exchange devices, relates in particular to a kind of and radiation pipe burner tip heat exchanger matching used silicon carbide ceramics material of radiation pipe burner tip.
Background technology
In recent years, along with the lifting to product quality and performance requirement, radiant tube heating technique at home metal heat treatmet field had obtained promotion and application more and more widely.The domestic research for radiant tube heating technique is also more and more deep, for the requirement of radiation pipe burner tip waste heat recovery, pollutant emission, heating quality and burning control accuracy, improves constantly.On radiation pipe burner tip flue gas waste heat recovery, completed the transition to more efficient heat exchange modes such as fin type heat exchange and injection heat transfers by original pipe type heat transfer, radiation pipe burner tip also develops into even triple-travel heat exchange of two-pass by original one-stroke heat exchange, air preheating temperature, flue gas waste heat recovery rate further improves.
Because radiation pipe burner tip application of temperature is higher, aspect heat exchanger material selection, substantially take heat resisting steel material as main, according to different application of temperature, select different heat resisting steel grades.By adopting pitted skin casting, finned tube casting, air jet etc. to be used for increasing heat transfer effect to heat resisting steel, reduce fume side heat resisting steel application of temperature simultaneously, increase the service life of heat exchanger.But in the last few years; along with the continuous lifting to product quality and performance requirement; need to be under high environment temperature application of radiation pipe burner; serviceability temperature often can reach more than furnace temperature 1150-1200 ℃; radiant tube surface temperature need to reach more than 1200 ℃; the radiation pipe burner tip heat exchanger of traditional heat resisting steel material is applied under this type of furnace temperature, only has 2-3 month common service life.In radiant tube, flue-gas temperature has reached the limiting temperature of metal material application, can consider that the material of applying temperature resistant grade and economic use replaces heat resisting steel to complete the waste heat recovery process of radiation pipe burner tip.
Summary of the invention
Technical problem to be solved in the utility model is the technical deficiency over against above-mentioned existence, and a kind of raising heat exchange efficiency is provided, and with this, improves the radiant tube ceramic material radiation pipe burner tip heat exchanger in service life.
The utility model solves the technical scheme that its technical problem adopts:
A kind of ceramic material radiation pipe burner tip heat exchanger, comprise heat-exchange ceramic, air blast pipe, to folder flange, heat exchanger shell, heat exchanger shell end plate, preheated air outlet, probe tube, it is characterized in that: described heat-exchange ceramic adopts the design of two-sided concave-convex hemispherical dome structure, inside and outside two sides is provided with hemispherical projection, by folder flange is fixed on heat exchanger shell end plate.Described air blast pipe penetrates heat-exchange ceramic inside from heat exchanger shell end plate center, and be welded and fixed with heat exchanger shell end plate, the end face flange of described preheated air outlet from heat exchanger shell penetrates, screw-in is arranged at the screwed hole on heat exchanger shell end plate, fix with heat exchanger shell and heat exchanger shell end plate, described probe tube penetrates the thief hole being arranged on heat exchanger shell, and is welded and fixed with heat exchanger shell.
In technique scheme, described heat-exchange ceramic adopts carbofrax material to make, and adopt burner technique global formation with no pressure, heat exchanger surface indent hemisphere and evagination hemisphere are along the even interlaced arrangement in heat exchanger length aspect, heat-exchange ceramic end is provided with pressure ring, and afterbody is dome shape design of Sealing Structure.
In technique scheme, described air blast pipe is stainless steel Welding Structure, by flange and seamless steel pipe welding fabrication.
In technique scheme, described is heat resisting steel machined moulding to folder flange, is provided with heat-exchange ceramic locating slot on flange, and flange outside is symmetrically arranged with folder studs, and studs varies in size 4-8 is set according to heat-exchange ceramic internal diameter.
In technique scheme, described heat exchanger shell adopts heat resisting steel hot investment casting moulding, select Ludox technique to cast, on heat exchanger shell, be provided with radiant tube mounting flange, end face flange, exhanst gas outlet flange and housing cover flange, exhanst gas outlet flange side has thief hole, and radiant tube mounting flange and housing cover flange side are provided with sealing circular groove.
In technique scheme, described heat exchanger shell end plate adopts heat resisting steel hot investment casting moulding, select Ludox technique to cast, on heat exchanger shell end plate, be provided with air air intake pore, preheated air outlet installing hole and fixing to folder flange companion flange.
In technique scheme, machine-shaping after described preheated air outlet employing hot investment casting, end is provided with locating flange sheet, is provided with fastener hole on flange plate, and afterbody is major thread structural design, coordinates processing with heat exchanger end plate installing hole.
In technique scheme, described probe tube is adopted as seamless steel pipe and the design of pipe cap syndeton, and pipe cap is fixed by screw thread and seamless steel pipe.
Main beneficial effect of the present utility model is:
1, heat exchanger adopts silicon carbide ceramics structural design, has greatly improved the serviceability temperature of heat exchanger, and the maximum operation (service) temperature of heat exchanger can reach more than 1300 ℃;
2, silicon carbide ceramics heat exchanger tube end face is for being inside and outside concavo-convex dome-type structural design, indent hemisphere and evagination ball are along the even interlaced arrangement in heat exchanger length aspect, heat exchange area increases considerably, and the air preheating temperature of one-stroke heat exchange heat exchanger can reach 600 ℃;
3, to the design of folder flange arrangement, efficiently solve silicon carbide ceramics and heat resisting steel fixation problem, fixed form is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is implemented;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation that the utility model is implemented silicon carbide ceramics heat exchanger tube;
Fig. 4 is that the utility model is implemented and main burner and the matching used structural representation of radiant tube.
In figure: 1-silicon carbide ceramics heat exchanger tube, 2-air blast pipe, 3-is to folder flange, 4-heat exchanger shell, 5-heat exchanger shell end plate, 6-preheated air outlet, 7-probe tube, 8-radiant tube, 9-carborundum radiation pipe burner tip heat exchanger, the main burner of 10-, 11-expansion joint.
The specific embodiment
Below in conjunction with the specific embodiment, to the utility model, embodiment is further described:
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of radiation pipe burner tip heat exchanger of silicon carbide ceramics material.It comprises that silicon carbide ceramics heat exchanger tube 1 adopts non-pressure sintering technology global formation, heat exchanger surface is inside and outside concavo-convex semiglobe design, indent hemisphere and evagination ball are along the even interlaced arrangement in heat exchanger length aspect, the heat exchange area of heat exchanger increases considerably, and the air preheating temperature of one-stroke heat exchange heat exchanger can reach 600 ℃.Heat exchanger tube end is provided with pressure ring, and afterbody is dome shape design of Sealing Structure.The application of silicon carbide ceramics has improved the application of temperature of heat exchanger greatly, and the maximum operation (service) temperature of heat exchanger can reach more than 1300 ℃; Air blast pipe 2 is stainless steel Welding Structure, by flange and seamless steel pipe welding fabrication.Air blast pipe 2 penetrates from heat exchanger shell end plate 5 centers, adopts continuous sealing to be welded and fixed.Air blast pipe 2 is stainless steel Welding Structure, by flange and seamless steel pipe welding fabrication.To folder flange 3, be heat resisting steel machined moulding, be provided with silicon carbide ceramics heat exchanger tube 1 locating slot on flange, flange outside is symmetrically arranged with folder studs, and studs varies in size 4-8 is set according to heat exchanger tube internal diameter.Silicon carbide ceramics heat exchanger tube 1 is by being fixed on heat exchanger shell end plate 5 folder flange 3.Heat exchanger shell 4 adopts heat resisting steel hot investment casting moulding, selects Ludox technique to cast.On heat exchanger shell 4, be provided with radiant tube mounting flange, end face flange, exhanst gas outlet flange and housing cover flange, exhanst gas outlet flange side has thief hole, and radiant tube mounting flange and housing cover flange side are provided with sealing circular groove.Heat exchanger shell end plate 5 adopts heat resisting steel hot investment casting moulding, selects Ludox technique to cast.On end plate, be provided with air air intake pore, preheated air outlet installing hole and fixing to folder flange companion flange.Heat exchanger shell end plate 5 is fixing by bolt and heat exchanger shell 4 sealings.Machine-shaping after the 6 employing hot investment castings of preheated air outlet, end is provided with locating flange sheet, is provided with fastener hole on flange plate, and afterbody is major thread structural design, coordinates processing with heat exchanger shell end plate 5 installing holes.The end face flange of preheated air outlet 6 from heat exchanger shell 4 penetrates, and screws in and is arranged at the screwed hole on heat exchanger shell end plate 5, fixing with heat exchanger shell 4 and heat exchanger shell end plate 5.Probe tube 7 is adopted as seamless steel pipe and the design of pipe cap syndeton, and pipe cap is fixed by screw thread and seamless steel pipe.Probe tube 7 penetrates the thief hole being arranged on heat exchanger shell 4, and is welded and fixed with heat exchanger shell 4.
Fig. 4 has provided the embodiment of heat exchanger while supporting the use with main burner 10 and radiant tube 8.Radiant tube mounting flange on heat exchanger shell 4 is connected with radiant tube 8 heat exchanger sides, and main burner 10 is connected with radiant tube 8 opposite sides by bolt.Between main burner 10 and carborundum radiation pipe burner tip heat exchanger 9, adopt expansion joint 11 to be connected.Silicon carbide ceramics heat exchanger tube 1 with form exhaust gases passes with radiant tube 8 inwall gaps, warm-up combustion-supporting air enters main burner by expansion joint 11 from heat exchanger.Main burner 10 burnings produce flue gas and are passed to 9 imports of silicon carbide ceramics heat exchanger along radiant tube 8 tube sides, by silicon carbide ceramics heat exchanger tube 1, allow the high-temperature flue gas of outer wall and the combustion air of inwall carry out abundant heat exchange, flue gas successively silicon carbide ceramics heat exchanger tube 1, to discharging from heat exchanger shell 4 exhanst gas outlet flanges after folder flange 3, heat exchanger shell end plate 5.Preheated air is from air blast pipe 2 enters, after silicon carbide ceramics heat exchanger tube 1 end baffling along heat exchanger tube inwall and the 2 Clearance Flow heat exchange of air blast pipe, after preheating, combustion air, by preheated air outlet 7, burns by sending into main burner 10 after expansion joint 11.
Protection domain of the present utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not depart from scope and spirit of the present utility model the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, intention of the present utility model also comprises these changes and is out of shape interior.
Claims (8)
1. a ceramic material radiation pipe burner tip heat exchanger, comprise heat-exchange ceramic, air blast pipe, to folder flange, heat exchanger shell, heat exchanger shell end plate, preheated air outlet, probe tube, it is characterized in that: described heat-exchange ceramic adopts the design of two-sided concave-convex hemispherical dome structure, inside and outside two sides is provided with hemispherical projection, by folder flange is fixed on heat exchanger shell end plate; Described air blast pipe penetrates heat-exchange ceramic inside from heat exchanger shell end plate center, and be welded and fixed with heat exchanger shell end plate, the end face flange of described preheated air outlet from heat exchanger shell penetrates, screw-in is arranged at the screwed hole on heat exchanger shell end plate, fix with heat exchanger shell and heat exchanger shell end plate, described probe tube penetrates the thief hole being arranged on heat exchanger shell, and is welded and fixed with heat exchanger shell.
2. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, it is characterized in that: described heat-exchange ceramic adopts carbofrax material to make, and adopt burner technique global formation with no pressure, heat exchanger surface indent hemisphere and evagination hemisphere are along the even interlaced arrangement in heat exchanger length aspect, heat-exchange ceramic end is provided with pressure ring, and afterbody is dome shape design of Sealing Structure.
3. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, is characterized in that: described air blast pipe is stainless steel Welding Structure, by flange and seamless steel pipe welding fabrication.
4. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, it is characterized in that: described is heat resisting steel machined moulding to folder flange, on flange, be provided with heat-exchange ceramic locating slot, flange outside is symmetrically arranged with folder studs, and studs varies in size 4-8 is set according to heat-exchange ceramic internal diameter.
5. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, it is characterized in that: described heat exchanger shell adopts heat resisting steel hot investment casting moulding, select Ludox technique to cast, on heat exchanger shell, be provided with radiant tube mounting flange, end face flange, exhanst gas outlet flange and housing cover flange, exhanst gas outlet flange side has thief hole, and radiant tube mounting flange and housing cover flange side are provided with sealing circular groove.
6. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, it is characterized in that: described heat exchanger shell end plate adopts heat resisting steel hot investment casting moulding, select Ludox technique to cast, on heat exchanger shell end plate, be provided with air air intake pore, preheated air outlet installing hole and fixing to folder flange companion flange.
7. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, it is characterized in that: machine-shaping after described preheated air outlet employing hot investment casting, end is provided with locating flange sheet, on flange plate, be provided with fastener hole, afterbody is major thread structural design, coordinates processing with heat exchanger end plate installing hole.
8. ceramic material radiation pipe burner tip heat exchanger as claimed in claim 1, is characterized in that: described probe tube is adopted as seamless steel pipe and the design of pipe cap syndeton, and pipe cap is fixed by screw thread and seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612790.XU CN203533605U (en) | 2013-09-30 | 2013-09-30 | Ceramic material radiant tube burner heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612790.XU CN203533605U (en) | 2013-09-30 | 2013-09-30 | Ceramic material radiant tube burner heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203533605U true CN203533605U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320612790.XU Expired - Lifetime CN203533605U (en) | 2013-09-30 | 2013-09-30 | Ceramic material radiant tube burner heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203533605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486606A (en) * | 2013-09-30 | 2014-01-01 | 中冶南方(武汉)威仕工业炉有限公司 | Ceramic material radiant tube burner heat exchanger |
| CN106051761A (en) * | 2015-04-16 | 2016-10-26 | 大同特殊钢株式会社 | Radiant tube heating device |
-
2013
- 2013-09-30 CN CN201320612790.XU patent/CN203533605U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486606A (en) * | 2013-09-30 | 2014-01-01 | 中冶南方(武汉)威仕工业炉有限公司 | Ceramic material radiant tube burner heat exchanger |
| CN106051761A (en) * | 2015-04-16 | 2016-10-26 | 大同特殊钢株式会社 | Radiant tube heating device |
| CN106051761B (en) * | 2015-04-16 | 2019-04-26 | 大同特殊钢株式会社 | Radiant tube type heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: WISDRI (WUHAN) THERMAL INDUSTRY Co.,Ltd. Address before: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee before: WISDRI (WUHAN) WISFUR THERMAL TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: WISDRI (WUHAN) WISFUR THERMAL TECHNOLOGY CO.,LTD. Address before: 430205 No. 33 University Park Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WISDRI (WUHAN) WIS INDUSTRIAL FURNACE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |