CN219776434U - Ferrite stainless steel air cooler - Google Patents
Ferrite stainless steel air cooler Download PDFInfo
- Publication number
- CN219776434U CN219776434U CN202321392948.7U CN202321392948U CN219776434U CN 219776434 U CN219776434 U CN 219776434U CN 202321392948 U CN202321392948 U CN 202321392948U CN 219776434 U CN219776434 U CN 219776434U
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- Prior art keywords
- tube
- floating
- pipe box
- box
- stainless steel
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- 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.)
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 25
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 15
- 239000010935 stainless steel Substances 0.000 title claims abstract description 14
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 13
- 239000010962 carbon steel Substances 0.000 claims abstract description 13
- 238000005253 cladding Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a ferrite stainless steel air cooler, which relates to the technical field of air coolers, and comprises a fixed pipe box, a floating pipe box, a frame and finned pipes, wherein the fixed pipe box and the floating pipe box are respectively arranged at two ends of the frame and form a cooling cavity in the three, and the finned pipes are provided with a plurality of finned pipes and are all arranged in the frame; four plates are arranged on the fixed pipe box and the floating pipe box, and the four plates enclose a box body and are welded into a whole; the utility model has the beneficial effects that: the outer layers of the fixed tube box and the floating tube box are made of carbon steel, the inner layers of the fixed tube box and the floating tube box are made of double-phase steel cladding, so that the difficulty of a welding process is reduced, meanwhile, the fixed tube box and the floating tube box have stronger corrosion resistance, and the base tubes in the fin tubes are made of ferrite stainless steel, so that the fin tubes have good heat conduction performance and corrosion resistance, and the safety performance of the air cooler is improved.
Description
Technical Field
The utility model relates to the technical field of air coolers, in particular to a ferrite stainless steel air cooler.
Background
The air cooler is an air cooler for short, and is a heat exchange device which is used as condensing and cooling equipment and has the largest application in petrochemical industry and oil gas processing production. The air cooler is generally composed of a tube bundle, a tube box, a fan, a shutter, a frame and the like.
Air coolers are widely applied to industries such as petrochemical industry and the like to cool chemical media, but the media are often high in corrosiveness, carbon steel which is commonly used can be corroded to be damaged and fail quickly, and the manufacturing complexity of the air coolers is caused by the special structure of the air coolers when the carbon steel is made of high materials, so that the safety requirements of equipment are sometimes difficult to meet.
Disclosure of Invention
The fixed pipe box and the floating pipe box are made of carbon steel, the inner layer is made of double-phase steel cladding, the difficulty of a welding process is reduced, meanwhile, the fixed pipe box and the floating pipe box have stronger corrosion resistance, and the base pipes in the fin pipes are made of the ferrite stainless steel, so that the fixed pipe box and the floating pipe box have good heat conduction performance and corrosion resistance, and the safety performance of the air cooler is improved.
The aim and the effect of the utility model are achieved by the following specific technical means:
the ferrite stainless steel air cooler comprises a fixed pipe box, a floating pipe box, a frame and finned pipes, wherein the fixed pipe box and the floating pipe box are respectively arranged at two ends of the frame and form a cooling cavity in the frame, and the finned pipes are provided with a plurality of finned pipes and are all arranged in the frame;
the utility model discloses a tube plate welding device, including fixed tube case, floating tube case, fixed tube case, floating tube case, the fixed tube case is equipped with four plates on the fixed tube case and the floating tube case, four the plate encloses into a box and welds in an organic wholely, and both ends are the open end about fixed tube case and the floating tube case, the tube sheet is all installed to one side that fixed tube case and floating tube case are close to the frame, the tube sheet inboard is equipped with the multiple layer second, the plate inboard all is equipped with the multiple layer first, the fin tube peg graft in two between the tube sheet is inside, and fin tube and multiple layer two pass through nickel-based alloy welding.
Further, the tube plate and the plate are both made of carbon steel.
Further, the first and second layers are dual-phase steel layers.
Further, the finned tube comprises a base tube and fins, wherein the base tube is fixed in the frame through a mounting piece, the fins are provided with a plurality of pieces, and the fins are uniformly mounted outside the base tube.
Further, the base pipe is made of ferritic stainless steel.
Furthermore, the fixed pipe box and the floating pipe box are internally provided with a separation partition board, the separation partition board on the floating pipe box is provided with a liquid outlet, and the front side and the rear side of the fixed pipe box are respectively provided with a connecting pipe communicated with the inside of the fixed pipe box.
Further, the outer ends of the fixed pipe box and the floating pipe box are open ends, and the outer ends of the fixed pipe box and the floating pipe box are detachably connected with sealing plates.
Compared with the prior art, the utility model has the beneficial effects that:
the outer layers of the fixed pipe box and the floating pipe box in the ferrite stainless steel air cooler are made of carbon steel, the inner layers of the fixed pipe box and the floating pipe box are made of double-phase steel, the difficulty of a welding process is reduced by using the first double-phase steel and the second double-phase steel, meanwhile, the fixed pipe box and the floating pipe box have high corrosion resistance, and the safety performance of the fixed pipe box and the floating pipe box is improved;
the base pipe is used for guiding chemical media and is made of ferrite stainless steel, wherein the ferrite stainless steel is preferably 06Cr13 or 06Cr13Al, and the base pipe has the characteristics of large heat conductivity, small expansion coefficient, good oxidation resistance and excellent stress corrosion resistance, can effectively prevent the chemical media from being corroded, and ensures the safety performance of the air cooler.
Drawings
FIG. 1 is a schematic top view of the overall cross-sectional structure of the present utility model;
FIG. 2 is a schematic top view of a stationary pipe box according to the present utility model;
FIG. 3 is a schematic top view of a floating tube box according to the present utility model;
FIG. 4 is a schematic top view of a partial cross-sectional structure of a finned tube of the present utility model;
FIG. 5 is a schematic top view of a cross-sectional structure of a base pipe and fins of the present utility model.
The marks in the figure: the device comprises a fixed tube box 1, a sealing plate 2, a floating tube box 3, a frame 4, a finned tube 5, a connecting tube 6, a separation baffle 7, a tube plate 8, a first cladding layer 9, a second cladding layer 10, a plate 11, a nickel-based alloy 12, a base tube 13, fins 14 and a liquid outlet 15.
Detailed Description
Referring to fig. 1-5, embodiments of the present utility model are further described;
the ferrite stainless steel air cooler comprises a fixed pipe box 1, a floating pipe box 3, a frame 4 and finned pipes 5, wherein the fixed pipe box 1 and the floating pipe box 3 are respectively arranged at two ends of the frame 4, a cooling cavity is formed in the fixed pipe box, the floating pipe box and the floating pipe box, and the finned pipes 5 are arranged in the frame 4;
four plate pieces 11 are arranged on the fixed tube box 1 and the floating tube box 3, the four plate pieces 11 are enclosed into a box body and welded into a whole, the left end and the right end of the fixed tube box 1 and the floating tube box 3 are both open ends, tube plates 8 are arranged on one sides of the fixed tube box 1 and the floating tube box 3, which are close to the frame 4, the inner sides of the tube plates 8 are provided with a second cladding 10, the inner sides of the plate pieces 11 are provided with a first cladding 9, the finned tubes 5 are inserted between the inner parts of the two tube plates 8, and the finned tubes 5 and the second cladding 10 are welded through nickel-based alloys 12;
the tube plate 8 and the plate 11 are both made of carbon steel, and the first clad layer 9 and the second clad layer 10 are double-phase steel clad layers;
air coolers are widely applied to industries such as petrochemical industry and the like for cooling chemical media, tube plates 8 on a fixed tube box 1 and a floating tube box 3 are used for supporting and fixing a plurality of fin tubes 5, and the fin tubes 5 are used for rapidly dispersing heat in the chemical media in all parts of the inner part of a cooling cavity of the air cooler;
the chemical medium has stronger corrosiveness, the traditional air cooler is usually made of carbon steel, and the carbon steel is easily corroded by the chemical medium, so that the air cooler is damaged and fails, the use cost is high, the higher the carbon content in the carbon steel is, the higher the hardness is, the higher the strength is, the lower the plasticity is, the manufacturing complexity is caused by the special structure of the air cooler, and the use safety performance of the air cooler is low; the tube plate 8 and the plate 11 are both made of carbon steel, the inner side of the tube plate 8 is provided with the second clad layer 10, the inner side of the plate 11 is provided with the first clad layer 9, and the first clad layer 9 and the second clad layer 10 are both double-phase steel clad layers, so that the outer layers of the fixed tube box 1 and the floating tube box 3 are both made of carbon steel, the inner layer is made of double-phase steel clad layers, and the double-phase steel has the characteristics of austenitic stainless steel and ferritic stainless steel, and compared with ferrite, the double-phase steel has the characteristics of higher plasticity and toughness, no room temperature brittleness, obviously improved intergranular corrosion resistance and welding performance, and meanwhile, the 475 ℃ brittleness and the heat conductivity coefficient of the ferritic stainless steel are also kept high, and the double-phase steel has the characteristics of superplasticity and the like; compared with austenitic stainless steel, the strength is high, intergranular corrosion resistance and chloride stress corrosion resistance are obviously improved, so that the difficulty of a welding process is reduced for the fixed pipe box 1 and the floating pipe box 3 under the use of the first cladding layer 9 and the second cladding layer 10, meanwhile, the fixed pipe box 1 and the floating pipe box 3 have stronger corrosion resistance, and the safety performance of the fixed pipe box 1 and the floating pipe box 3 is improved.
The outer ends of the fixed pipe box 1 and the floating pipe box 3 are open ends, and the outer ends of the fixed pipe box 1 and the floating pipe box 3 are detachably connected with a sealing plate 2;
two sealing plates 2 are respectively arranged at the outer ends of the fixed tube box 1 and the floating tube box 3 through bolts, the sealing plates 2 are detachably connected, welding of a plurality of fin tubes 5 and a second cladding layer 10 on the tube plate 8 is convenient, and meanwhile the air cooler is convenient to overhaul in the later period.
The fixed pipe box 1 and the floating pipe box 3 are internally provided with a separation baffle 7, the separation baffle 7 on the floating pipe box 3 is provided with a liquid outlet 15, and the front side and the rear side of the fixed pipe box 1 are respectively provided with a connecting pipe 6 communicated with the inside of the fixed pipe box 1;
the fixed tube box 1 and the floating tube box 3 are divided into two liquid storage spaces by the separation baffle 7 in the fixed tube box 1 and the floating tube box 3, chemical media to be cooled are pumped into one connecting tube 6 by an oil pump, the chemical media are guided into one liquid storage space in the fixed tube box 1 by the connecting tube 6 and then flow into the finned tube 5 communicated with the liquid storage space, the chemical media can be guided into the floating tube box 3 by the finned tube 5, a fan for radiating the finned tube 5 is arranged in the air cooler, the heat of the finned tube 5 can be radiated by air blown by the fan, the purpose of cooling the chemical media is achieved, the chemical media on one side of the inside of the floating tube box 3 can flow to the other side of the inside of the floating tube box 3 through a liquid outlet 15, then enter the finned tube 5 on the other side again for cooling treatment, finally flow back into the fixed tube box 1, and the cooled chemical media are discharged from the air cooler through the other connecting tube 6.
The fin tube 5 comprises a base tube 13 and fins 14, wherein the base tube 13 is fixed in the frame 4 through a mounting piece, the fins 14 are provided with a plurality of fins, and the fins 14 are uniformly mounted outside the base tube 13;
the base pipe 13 is used for guiding chemical media, the high-temperature chemical media can transfer heat to the base pipe 13 firstly, then the heat is quickly guided into the air through the fins 14, and the chemical media can be cooled down quickly.
The base pipe 13 is made of ferritic stainless steel;
furthermore, the base pipe 13 is made of ferrite stainless steel, and the ferrite stainless steel is preferably 06Cr13 or 06Cr13Al, so that the air cooler has the characteristics of large heat conductivity, small expansion coefficient, good oxidation resistance and excellent stress corrosion resistance, can effectively prevent chemical medium corrosion, and ensures the safety performance of the air cooler.
Claims (7)
1. The utility model provides a ferrite stainless steel air cooler, includes fixed pipe case (1), floating tube case (3), frame (4) and finned tube (5), fixed pipe case (1) and floating tube case (3) are installed respectively in frame (4) both ends and the inside cooling chamber that constitutes of three, finned tube (5) are equipped with a plurality of roots and all install in frame (4), its characterized in that:
fixed pipe case (1) and floating tube case (3) are gone up and all are equipped with four plate (11), four plate (11) enclose into a box and weld in an organic wholely, and both ends are open end about fixed pipe case (1) and floating tube case (3), tube sheet (8) are all installed to one side that fixed pipe case (1) and floating tube case (3) are close to frame (4), tube sheet (8) inboard is equipped with double-deck two (10), plate (11) inboard all is equipped with double-deck one (9), finned tube (5) peg graft in two between tube sheet (8) inside, and finned tube (5) and double-deck two (10) pass through nickel-based alloy (12) welding.
2. The ferritic stainless steel air cooler according to claim 1, wherein: the tube plate (8) and the plate (11) are both made of carbon steel.
3. The ferritic stainless steel air cooler according to claim 1, wherein: the first cladding layer (9) and the second cladding layer (10) are two-phase steel cladding layers.
4. The ferritic stainless steel air cooler according to claim 1, wherein: the fin tube (5) comprises a base tube (13) and fins (14), wherein the base tube (13) is fixed in the frame (4) through a mounting piece, the fins (14) are provided with a plurality of pieces, and the fins (14) are uniformly mounted outside the base tube (13).
5. The ferritic stainless steel air cooler according to claim 4, wherein: the base pipe (13) is made of ferritic stainless steel.
6. The ferritic stainless steel air cooler according to claim 1, wherein: the utility model discloses a floating pipe box, including fixed pipe box (1), floating pipe box (3), branch journey baffle (7) are all installed in fixed pipe box (1) and floating pipe box (3), branch journey baffle (7) on floating pipe box (3) are opened there is leakage fluid dram (15), and both sides all install and be communicated with each other's inside takeover (6) around fixed pipe box (1).
7. The ferritic stainless steel air cooler according to claim 1, wherein: the outer ends of the fixed pipe box (1) and the floating pipe box (3) are open ends, and the outer ends of the fixed pipe box (1) and the floating pipe box (3) are detachably connected with a sealing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392948.7U CN219776434U (en) | 2023-05-31 | 2023-05-31 | Ferrite stainless steel air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392948.7U CN219776434U (en) | 2023-05-31 | 2023-05-31 | Ferrite stainless steel air cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219776434U true CN219776434U (en) | 2023-09-29 |
Family
ID=88103067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321392948.7U Active CN219776434U (en) | 2023-05-31 | 2023-05-31 | Ferrite stainless steel air cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219776434U (en) |
-
2023
- 2023-05-31 CN CN202321392948.7U patent/CN219776434U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |