CN201302395Y - Hydrogenation-reaction outflow tube-bundle system of air cooler for machining chloric raw oil - Google Patents
Hydrogenation-reaction outflow tube-bundle system of air cooler for machining chloric raw oil Download PDFInfo
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- CN201302395Y CN201302395Y CN 200820168236 CN200820168236U CN201302395Y CN 201302395 Y CN201302395 Y CN 201302395Y CN 200820168236 CN200820168236 CN 200820168236 CN 200820168236 U CN200820168236 U CN 200820168236U CN 201302395 Y CN201302395 Y CN 201302395Y
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- Prior art keywords
- bobbin carriage
- tube
- pipe
- bundle
- comb bundle
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 15
- 238000003754 machining Methods 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 7
- 239000010962 carbon steel Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 30
- 230000008676 import Effects 0.000 claims description 17
- 239000000460 chlorine Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 abstract description 22
- 230000007797 corrosion Effects 0.000 abstract description 22
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000008021 deposition Effects 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 238000007670 refining Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000772415 Neovison vison Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- -1 therefore Substances 0.000 description 1
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses a hydrogenation-reaction outflow tube-bundle system of an air cooler for machining chloric raw oil. The tube-bundle system comprises four channel boxes and six tube-bank bundles; the channel boxes comprise internal channel boxes and external channel boxes; an outlet of a first channel box is communicated with an inlet of a second channel box through a first tube-bank bundle and a second tube-bank bundle; the outlet of the second channel box is communicated with the inlet of a third channel box through a third tube-bank bundle and a fourth tube-bank bundle; and the outlet of the third channel box is communicated with the inlet of a fourth channel box through a fifth tube-bank bundle and a sixth tube-bank bundle. Two tube bundles of a first tube side adopts composite tubes, thereby avoiding the under-deposit corrosion due to NH4Cl crystal deposition or the partial erosion due to the under-deposit corrosion during the cooling process; because the liquid water amount is increased in a second tube side and a third tube side, the manufacturing cost of a REAC system can be reduced by adopting carbon steel tube bundles; and a reaction outflow inlet horizontally flows into the first channel box, and a reaction outflow outlet horizontally flows out of the fourth channel box, thereby preventing oil, gas and water from unevenly distributing in upper tube-bundles and lower tube-bundles. The hydrogenation-reaction outflow tube-bundle system can improve the safe operational cycle and the economic benefits of a hydrogenation REAC system.
Description
Technical field
The utility model relates to the hydrocracking reaction effluent system architecture that is applied to petroleum chemical industry, relates to a kind of hydrogenation reaction effluent air cooler tube bundle system that is used for chlorine-containing raw oil production processing specifically.
Background technology
The energy is the basis of society, economic development, and wherein petrochemical industry is to ensure the energy security supply as the important support of China's energy industry, effectively solves one of energy starved important channel.Hydrocracking reaction effluent air cooler (Reactor effluent air coolers, abbreviation REAC) system is that poor oil cleans, the nucleus equipment of light materialization of heavy oil device, bear high pressure for a long time, face the special installation of hydrogen, structure is special, the finned tube wall thickness only is 3mm, bear the comprehensive function of multiple corrosion, easily form tube bank leakage perforation and cause the unplanned shutdown accident then, become the significant obstacle of restriction enterprise security production and industry sustainable development.Therefore, the inefficacy of REAC system is the focus that engineering circle is paid close attention to always.
Along with China joined WTO, the import volume of Middle East high-sulfur, heavy crude such as chloride increases steadily, and the oil refining apparatus of many oil refining enterprises has carried out high-sulfur capacity expansion revamping engineering in succession, and the moving corrosion leakage of a lot of REAC system pipes lines has taken place then.Because REAC system process complexity, working condition harshness, failure modes such as the leakage that causes, booster have tangible locality, sudden and risk, the tube bank of REAC system repeatedly takes place and leaks the unplanned shutdown accident that booster causes in domestic how tame oil refining enterprise, not only had a strong impact on the production schedule of enterprise, increased the oil refining cost, but also device and social public security in serious threat.In order effectively to solve the frequent failure problem of REAC system, the NACE T-8 committee, Uop Inc., API association have successively carried out a large amount of investigations, propose flow velocity, corrosion factor Kp value, NH
4HS concentration is as the leading indicator of control REAC system corrosion, and released API 932-A, API 932-B in 2002 and 2004, for design, manufacturing, operation, the check of REAC system provides instruction.But above-mentioned achievement in research mainly comes from the failure analysis of corrosion phenomenon, exists certain limitation in the practical application.Although domestic many oil refining apparatus are in strict accordance with standard design, but still a lot of leakage pipe explosion accidents have taken place, the corrosion of REAC system fails to be controlled at all.In the period of 2005～2007, group of China Petrochemical Industry is repeatedly organizational technology investigation once, and carries out national investigation crash analysis, and the inefficacy case is dissected and shown: invalid position has more present REAC system first tube side, and has NH concurrently
4Cl, NH
4HS deposition underdeposit corrosion and erosion pattern prove absolutely that the underdeposit corrosion of active sulfur body medium and erosion are the key factors that causes REAC system corrosion leakage or booster.
This seminar discovers that for a long time in Middle East high-sulfur, the chlorine-containing raw oil production process, the architectural characteristic of REAC system is the key factor that influences system's corrosion.Therefore, the REAC system architecture that innovative design is fit to high-sulfur, mink cell focus such as chloride processing is most important, transforms bobbin carriage, tube bank, tube side structure and avoids NH by optimizing
4Cl, NH
4HS crystallization deposition underdeposit corrosion or multi-phase flow erosion become solve that processing at present is chloride, the important channel of REAC system frequent failure in the high-sulfur feedstock oil process.
Summary of the invention
The purpose of this utility model is to provide a kind of hydrogenation reaction effluent air cooler tube bundle system that is used for chlorine-containing raw oil production processing, can effectively solve frequent Problem of Failure such as REAC system tube bank ammonium salt crystallization deposition underdeposit corrosion and multi-phase flow erosion in chloride, the sour crude process.This structure can improve REAC entire system corrosion resistance, especially the anti-NH of first tube side
4Cl, NH
4HS crystallization deposition underdeposit corrosion and multi-phase flow erosion ability prolong the service life of REAC system, reduce the probability of happening of unplanned shutdown accident.
In order to achieve the above object, the technical solution adopted in the utility model is:
The utility model comprises first bobbin carriage, the first pipe comb bundle, the second pipe comb bundle, second bobbin carriage, the 3rd pipe comb bundle, the 4th pipe comb bundle, the 3rd bobbin carriage, the 5th pipe comb bundle, the 6th pipe comb bundle and the 4th bobbin carriage; The first pipe comb bundle and the second pipe comb Shu Zucheng, first tube side, the 3rd pipe comb Shu Yudi four pipe comb Shu Zucheng second tube side, the 5th pipe comb Shu Yudi six pipe comb Shu Zucheng the 3rd tube side; First bobbin carriage, second bobbin carriage, the 3rd bobbin carriage, the 4th bobbin carriage constitute by attachment bolt by outside bobbin carriage and inboard bobbin carriage, and wherein first bobbin carriage outside bobbin carriage is provided with the reaction effluent import, and the 4th bobbin carriage outside bobbin carriage is provided with the reaction effluent outlet; The outlet of first bobbin carriage is connected with the second bobbin carriage import by the first pipe comb bundle, the second pipe comb bundle, the outlet of second bobbin carriage is connected by the 3rd pipe comb bundle, the 4th pipe comb Shu Yudi three bobbin carriage imports, and the outlet of the 3rd bobbin carriage is connected by the 5th pipe comb bundle, the 6th pipe comb Shu Yudi four bobbin carriage imports; First bobbin carriage, second bobbin carriage, the 3rd bobbin carriage, the 4th bobbin carriage are axially arranged with the groove that a plurality of sections are rectangle along the outer end that connects tube bank.
Each root tube bank in described first tube side tube bank is formed by the compound interior pipe of compound outer tube and its inside of embedding, the tube bank two ends have a diameter identical with compound interior external diameter of pipe respectively, length is 150～200mm, end is the taper hole of tapering, wherein tube bank is embedded with the external taper bushing pipe with the first bobbin carriage junction, first bobbin carriage and the second bobbin carriage inboard, 2～4mm are exposed in the tube bank two ends, seal by weld seam along compound outer tube external circumferential and inboard bobbin carriage junction; Each root tube bank in the tube bank of second tube side, the tube bank of the 3rd tube side is formed by parent tube, parent tube exposes second bobbin carriage, the 3rd bobbin carriage, the inboard bobbin carriage 1～4mm of the 4th bobbin carriage, seal by weld seam along parent tube external circumferential and inboard bobbin carriage junction, the junction of the wherein parent tube and second bobbin carriage outlet, the outlet of the 3rd bobbin carriage is embedded with the internal taper bushing pipe.
The material of described first bobbin carriage, second bobbin carriage, the 3rd bobbin carriage, the 4th bobbin carriage is 16MnR, and the material of compound outer tube is a carbon steel, and the material of compound interior pipe, external taper bushing pipe and internal taper bushing pipe is 316L; External taper bushing pipe length is 150～200mm, and internal taper bushing pipe length is 150～250mm, and end all has tapering.
The beneficial effect that the utlity model has is:
Two comb bundles of hydrogenation REAC system first tube side are taked the structure of multiple tube, i.e. the inner stainless steel bushing pipe that embeds of carbon steel tube bank can be avoided NH in first tube side tube bank cooling procedure
4The local erosion that Cl crystallization deposition underdeposit corrosion or underdeposit corrosion cause; Second tube side, the 3rd tube side adopt the manufacturing cost of carbon steel tube bank can reduction REAC system because the liquid water yield increases; But bobbin carriage adopts the assembling-disassembling type structure, both has been convenient to the installation of bobbin carriage and tube bank, helps the expanded joint between bushing pipe and the carbon steel parent tube; Reaction effluent import level flows into the first bobbin carriage import, and reaction effluent outlet level flows out the 4th bobbin carriage outlet, effectively avoided between oil, gas, the water three-phase about the skewness problem of comb bundle.The utility model can improve the safe operation cycle of hydrogenation REAC system conscientiously, improves economic benefit of enterprises.
Description of drawings
Fig. 1 is a hydrogenation reaction effluent air cooler tube bundle system structural representation.
Fig. 2 is the enlarged drawing that the single tube bank of first tube side is connected with bobbin carriage.
Fig. 3 is the enlarged drawing that second tube side, the single tube bank of the 3rd tube side are connected with bobbin carriage.
Among the figure: 1, the 5th pipe comb bundle, the 2, the 3rd bobbin carriage, 3, the reaction effluent import, 4, outside bobbin carriage, 5, attachment bolt, 6, first bobbin carriage, 7, inboard bobbin carriage, 8, the first pipe comb bundle, 9, the second pipe comb bundle, the 10, the 3rd pipe comb bundle, 11, the 4th pipe comb bundle, 12, second bobbin carriage, 13, reaction effluent outlet, the 14, the 4th bobbin carriage, 15, the 6th pipe comb bundle, 16, pipe in compound, 17, groove, 18, compound outer tube, 19, external taper bushing pipe, 20, parent tube, 21, the internal taper bushing pipe, 22, weld seam.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the hydrogenation reaction effluent air cooler tube bundle system that is applied to chlorine-containing raw oil production processing comprises first bobbin carriage 6, the first pipe comb bundle 8, the second pipe comb bundle 9, second bobbin carriage 12, the 3rd pipe comb bundle 10, the 4th pipe comb bundle 11, the 3rd bobbin carriage 2, the 5th pipe comb bundle 1, the 6th pipe comb bundle 15, the 4th bobbin carriage 14, reaction effluent import 3, reaction effluent outlet 13; The first pipe comb bundle 8 and the second pipe comb bundle 9 are formed first tube side, and the 3rd pipe comb bundle 10 and the 4th pipe comb bundle 11 are formed second tube side, and the 5th pipe comb bundle 1 and the 6th pipe comb bundle 15 are formed the 3rd tube side; First bobbin carriage 6, second bobbin carriage 12, the 3rd bobbin carriage 2, the 4th bobbin carriage 14 are made of by attachment bolt 5 outside bobbin carriage 4 and inboard bobbin carriage 7; 6 outlets of first bobbin carriage are connected with 12 imports of second bobbin carriage by the first pipe comb bundle 8, the second pipe comb bundle 9, the outlet of second bobbin carriage is connected with 2 imports of the 3rd bobbin carriage through the 3rd pipe comb bundle 10, the 4th pipe comb bundle 11, and 2 outlets of the 3rd bobbin carriage are communicated with 14 imports of the 4th bobbin carriage through the 5th pipe comb bundle 1, the 6th pipe comb bundle 15; First bobbin carriage 6, second bobbin carriage 12, the 3rd bobbin carriage 2, the 4th bobbin carriage 14 are axially established the groove 17 that a plurality of sections are rectangle along the outer end that connects tube bank.
As shown in Figure 2, it is the enlarged drawing that the single tube bank of first tube side is connected with bobbin carriage, the tube bank of first tube side is made up of the compound interior pipe 16 of the compound outer tube 18 of a row and its inside of embedding, compound outer tube 18 and compound interior pipe 16 materials are respectively carbon steel, 316L, the bobbin carriage material is 16MnR, the tube bank two ends are exposed first bobbin carriage 6, second bobbin carriage, 12 inboards, 2～4mm respectively, seal by weld seam 22 along compound outer tube 18 external circumferential and inboard bobbin carriage junction, and welding material is 507; When avoiding restraining the two ends welded seal compound in pipe 16 form stress corrosion with the welding of bobbin carriage dissimilar steel, therefore, fluid inlet end A tube bank have a diameter with compound in to manage 16 external diameters identical, length is 150～200mm, terminal tapering is 1: 10 a taper hole, it is all identical with compound interior pipe with internal diameter that taper hole is embedded in external diameter, 10: 1 external taper bushing pipe 19 of terminal outside chamfering, after installing, pipe 16 constitutes a thin cylinder just with external taper bushing pipe 19 in compound, by electric tube expander this thin cylinder is dilated again, external taper bushing pipe 19 and compound outer tube 18 are combined closely, cause the risk of compound interior pipe stress corrosion cracking when having reduced the welding of compound outer tube and bobbin carriage, the effect of groove 17 mainly is in the process of dilating, and guarantees that compound outer tube 18 contacts with bobbin carriage closely; Fluid outlet A ' tube bank also offer a diameter with compound in to manage 16 external diameters identical, length is 150～200mm, terminal tapering is 10: 1 a taper hole, do not embed bushing pipe in this taper hole, the purpose of opening taper hole with the tube bank of fluid inlet end is identical, is the risk that causes 16 stress corrosions of compound interior pipe when tube bank is welded with bobbin carriage 12 in order to reduce equally.Compound interior pipe 16 materials of the first pipe comb bundle 8, the second pipe comb bundle 9 are selected 316L, mainly are in order to improve the ability of anti-ammonium chloride deposition underdeposit corrosion;
As shown in Figure 3, be the enlarged drawing that second tube side, the single tube bank of the 3rd tube side are connected with bobbin carriage.Each root tube bank in second tube side, the tube bank of the 3rd tube side all is made up of parent tube 20, parent tube 20 exposes the inboard bobbin carriage 1～4mm of second bobbin carriage, the 3rd bobbin carriage, the 4th bobbin carriage, circumferentially seal by weld seam 22 with inboard bobbin carriage junction along parent tube 20 external diameters, welding rod material is 507; Wherein, it is 316L that second bobbin carriage 12, the 3rd bobbin carriage 2 are embedded with material with fluid inlet end B junction, length is 150～250mm, terminal inboard has the internal taper bushing pipe 21 of 1: 10 tapering, after embedding finishes, by electric tube expander internal taper bushing pipe 21 is dilated, guarantee that internal taper bushing pipe 21 and parent tube 20 fit closely, dilate process further groove 17 and help parent tube 20 and fit tightly with bobbin carriage; Not embedding of fluid outlet tube bank B ' bushing pipe;
The first pipe comb bundle 8, the 3rd pipe comb bundle the 10 and the 5th are managed 46 of comb bundle 1 whole comb Shu Junwei, and the second pipe comb bundle 9, the 4th pipe comb bundle 11 and the 6th pipe comb bundle 15 are put in order 45 of comb Shu Junwei, and all tube bank length are 10m.
The concrete course of work of the present utility model:
As shown in Figure 1, at first, fluid media (medium) enters first bobbin carriage 6 through reaction effluent import 3, the outlet of first bobbin carriage 6 flows into second bobbin carriage 12 after the first pipe comb bundle 8 and 9 coolings of the second pipe comb bundle, fluid media (medium) flows into the 3rd bobbin carriage 2 after the 3rd pipe comb bundle 10 and 11 coolings of the 4th pipe comb bundle, and then after the 5th pipe comb bundle 1 and 15 coolings of the 6th pipe comb bundle, flow into the 4th bobbin carriage 14,, finish whole hydrogenation reaction effluent air cooler tube bundle system cooling procedure after reaction effluent outlet 13 is flowed out.Tube bundle system the 6th pipe comb bundle 15 bottoms are provided with blower fan, first to the 6th pipe comb Shu Jinhang are uninterruptedly dried, to reach cooling effect.
Claims (3)
1, a kind of hydrogenation reaction effluent air cooler tube bundle system that is used for chlorine-containing raw oil production processing is characterized in that: comprise first bobbin carriage (6), the first pipe comb bundle (8), the second pipe comb bundle (9), second bobbin carriage (12), the 3rd pipe comb bundle (10), the 4th pipe comb bundle (11), the 3rd bobbin carriage (2), the 5th pipe comb bundle (1), the 6th pipe comb bundle (15) and the 4th bobbin carriage (14); The first pipe comb bundle (8) is formed first tube side with the second pipe comb bundle (9), and the 3rd pipe comb bundle (10) is formed second tube side with the 4th pipe comb bundle (11), and the 5th pipe comb bundle (1) is formed the 3rd tube side with the 6th pipe comb bundle (15); First bobbin carriage (6), second bobbin carriage (12), the 3rd bobbin carriage (2), the 4th bobbin carriage (14) constitute by attachment bolt (5) by outside bobbin carriage (4) and inboard bobbin carriage (7), wherein first bobbin carriage (6) outside bobbin carriage is provided with reaction effluent import (3), and the 4th bobbin carriage outside bobbin carriage is provided with reaction effluent outlet (13); First bobbin carriage (6) outlet is connected with second bobbin carriage (12) import by the first pipe comb bundle (8), the second pipe comb bundle (9), second bobbin carriage (12) outlet is connected with the 3rd bobbin carriage (2) import by the 3rd pipe comb bundle (10), the 4th pipe comb bundle (11), and the 3rd bobbin carriage (2) outlet is connected with the 4th bobbin carriage (14) import by the 5th pipe comb bundle (1), the 6th pipe comb bundle (15); First bobbin carriage (6), second bobbin carriage (12), the 3rd bobbin carriage (2), the 4th bobbin carriage (14) are axially arranged with the groove that a plurality of sections are rectangle (17) along the outer end that connects tube bank.
2, a kind of hydrogenation reaction effluent air cooler tube bundle system that is used for chlorine-containing raw oil production processing according to claim 1, it is characterized in that: each the root tube bank in described first tube side tube bank is formed by the compound interior pipe (16) of compound outer tube (18) and its inside of embedding, the tube bank two ends have a diameter identical with compound interior pipe (16) external diameter respectively, length is 150～200mm, end is the taper hole of tapering, wherein tube bank is embedded with external taper bushing pipe (19) with first bobbin carriage (6) junction, first bobbin carriage (6) and the inboard 2～4mm of second bobbin carriage (12) are exposed in the tube bank two ends, seal by weld seam (22) along compound outer tube (18) external circumferential and inboard bobbin carriage junction; Each root tube bank in the tube bank of second tube side, the tube bank of the 3rd tube side is formed by parent tube (20), parent tube (20) exposes second bobbin carriage (12), the 3rd bobbin carriage (2), the inboard bobbin carriage 1～4mm of the 4th bobbin carriage (14), seal by weld seam (22) along parent tube external circumferential and inboard bobbin carriage junction, the junction of wherein parent tube and second bobbin carriage (12) outlet, the 3rd bobbin carriage (2) outlet is embedded with internal taper bushing pipe (21).
3, a kind of hydrogenation reaction effluent air cooler tube bundle system that is used for chlorine-containing raw oil production processing according to claim 1, it is characterized in that: the material of described first bobbin carriage (6), second bobbin carriage (12), the 3rd bobbin carriage (2), the 4th bobbin carriage (14) is 16MnR, the material of compound outer tube (18) is a carbon steel, and the material of compound interior pipe (16), external taper bushing pipe (19) and internal taper bushing pipe (21) is 316L; External taper bushing pipe (19) length is 150～200mm, and internal taper bushing pipe (21) length is 150～250mm, and end all has tapering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820168236 CN201302395Y (en) | 2008-11-18 | 2008-11-18 | Hydrogenation-reaction outflow tube-bundle system of air cooler for machining chloric raw oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820168236 CN201302395Y (en) | 2008-11-18 | 2008-11-18 | Hydrogenation-reaction outflow tube-bundle system of air cooler for machining chloric raw oil |
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| Publication Number | Publication Date |
|---|---|
| CN201302395Y true CN201302395Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820168236 Expired - Fee Related CN201302395Y (en) | 2008-11-18 | 2008-11-18 | Hydrogenation-reaction outflow tube-bundle system of air cooler for machining chloric raw oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302395Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881566A (en) * | 2010-06-11 | 2010-11-10 | 何巨堂 | Air cooler |
| CN103808165A (en) * | 2014-02-19 | 2014-05-21 | 浙江理工大学 | Hydrogenation reaction effluent air cooler suitable for high chlorine raw oil processing |
-
2008
- 2008-11-18 CN CN 200820168236 patent/CN201302395Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881566A (en) * | 2010-06-11 | 2010-11-10 | 何巨堂 | Air cooler |
| CN101881566B (en) * | 2010-06-11 | 2012-07-04 | 何巨堂 | Air cooler |
| CN103808165A (en) * | 2014-02-19 | 2014-05-21 | 浙江理工大学 | Hydrogenation reaction effluent air cooler suitable for high chlorine raw oil processing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20091218 |