CN103453782B - Three-in-one shell and tube oil-gas heat exchanger - Google Patents
Three-in-one shell and tube oil-gas heat exchanger Download PDFInfo
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- CN103453782B CN103453782B CN201310424649.1A CN201310424649A CN103453782B CN 103453782 B CN103453782 B CN 103453782B CN 201310424649 A CN201310424649 A CN 201310424649A CN 103453782 B CN103453782 B CN 103453782B
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- shell
- tube
- heat exchanger
- end socket
- outside housing
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- 239000003507 refrigerant Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 39
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 241000486406 Trachea Species 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003416 augmentation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 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
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Abstract
The invention discloses a three-in-one shell and tube oil-gas heat exchanger which comprises a shell and a heat exchange tube. The heat exchange tube is arranged in the shell and comprises an outer tube and an inner tube, the inner tube is arranged in the outer tube, the shell comprises a left seal head, a left outer shell, a middle shell, a right outer shell and a right seal head which are sequentially connected with one another, the inner tube axially penetrates the left outer shell, the middle shell and the right outer shell, a left opening of the inner tube is formed in the left seal head, a right opening of the inner tube is formed in the right seal head, the outer tube axially penetrates the middle shell, a left opening of the outer tube is formed in the left outer shell, a right opening of the outer tube is formed in the right outer shell, condensate oil is respectively drained out of a left condensate oil collecting tube and a right condensate oil collecting tube, a left low-temperate oil-gas tube is arranged on the left upper side of the middle shell, a right low-temperature oil-gas tube is arranged on the right upper side of the middle shell, and a plurality of baffle plates are arranged inside the middle shell. The three-in-one shell and tube oil-gas heat exchanger has the advantages that the oil-gas heat exchanger is compact in structure and is corrosion-resistant, heat of three types of liquid with extremely high temperature difference can be assuredly efficiently exchanged in the same heat exchanger, and the three-in-one oil-gas heat exchanger can be widely applied to oil-gas recycling units for trains and wharfs.
Description
Technical field
The invention belongs to dividing wall type heat exchanger technical field, particularly a kind of Trinity shell-tube type oil gas heat exchanger reclaimed for condensing type oil gas.
Background technology
Condensing type oil gas reclaims the low-temperature receiver being provided pole low temperature by cryogenic refrigerating system, by heat exchanger, realizes recycling and purifying air by solidifying for the oil cooling in gas mixture.For fully recycling the cold of separated low-temperature and low-concentration oil gas, high-temperature high concentration oil gas, low-temperature and low-concentration oil gas and cold-producing medium three kinds of great media of the temperature difference need heat exchange in same heat exchange.For common oil gas recycling machine group, extensively adopt efficient aluminum plate fin heat exchanger, its multi-channel structure and compact, heat transfer coefficient is high.But at such as train, harbour with in petroleum vapor recovery unit, unit needs run continuously 24 hours every days, and owing to containing hydrogen sulfide composition in oil gas, aluminum plate fin heat exchanger can not the corrosion of halophile, ice-melt rate is little on the other hand, easily freeze blocking channel and can not using continuously, and therefore aluminum plate fin heat exchanger cannot use at such special occasions.At present, one of alternative replaces aluminum plate fin heat exchanger with two-dimentional fluoro-gas shell and tube exchanger, but energy loss is larger; It two is the methods replacing aluminum plate fin heat exchanger with two-dimentional fluoro-gas shell and tube exchanger and two-dimensional gas-gas shell and tube exchanger combination, solve energy loss problem, but heat exchanger package occupies sizable space, be unfavorable for that condensing type oil gas reclaims unit applying in the field such as train, harbour.
In a word, existing condensing type oil gas reclaims the technical problem that heat exchanger exists and is: under the prerequisite of guarantee three kinds of different temperatures fluid heat transfers, how to realize the small size of heat exchanger and corrosion-resistant.
Summary of the invention
The object of the present invention is to provide a kind of Trinity shell-tube type oil gas heat exchanger, compact conformation, corrosion-resistant, ensure the great three kinds of fluids of temperature difference high efficient heat exchanging in same heat exchanger.
The technical scheme realizing the object of the invention is: a kind of Trinity shell-tube type oil gas heat exchanger, comprises housing and is placed in the heat-transfer pipe in housing;
Described heat-transfer pipe is by outer tube and be placed in pipe in outer tube and form;
Described housing is linked in sequence by left end socket, left outside housing, middle casing, right outside housing and right end socket and forms;
Dividing plate is had in described left end socket, left end socket is at least divided into an external cold-producing medium for refrigerant inlet pipe and enters district, with the cold-producing medium discharge area of an external refrigerant outlet pipe, described right end socket inside is communicated with, flow through for cold-producing medium, described interior pipe passes axially through left outside housing, middle casing and right outside housing, and left side opening is in left end socket, right openings is in right end socket, and cold-producing medium import and export pipe, left end socket, interior pipe and right end socket form coolant channel;
Described left outside housing upper is provided with left high temperature oil tracheae, bottom is provided with the adapter of left condensate, right outside housing upper is provided with right high temperature oil tracheae, bottom is provided with right left condensate adapter, described outer tube passes axially through middle casing, left side opening is in left outside housing, right openings is in right outside housing, left high-temperature oil gas adapter, left outside housing, between outer tube and interior pipe, right outside housing and right high-temperature oil gas take over and form high-temperature oil gas passage, and condensate is respectively from left condensate adapter and right left condensate adapter discharge;
Described middle casing upper left side is provided with left low-temperature oil tracheae, and upper right side is provided with right low-temperature oil tracheae, and middle casing inside is provided with multiple deflection plate, left low-temperature oil tracheae, between middle casing and outer tube and right low-temperature oil tracheae form low temperature gas channel.
Compared with prior art, its remarkable advantage is in the present invention:
(1) compact conformation: three different passages organically combine, utilizes nested structure form in inserted cover, namely large pipe box tubule form that pipe is outer, three separate space in pipe ring, pipe, make the medium of three different temperature fields can direct heat transfer;
(2) heat exchange efficiency is high: high-temperature high concentration oil gas carries out heat exchange by outer efficient heat-exchanging pipe and low-temperature and low-concentration oil gas, the discarded cold of low temperature oil gas is recycled, can reduce the energy consumption of unit 5-8%;
(3) good airproof performance: abandon conventional first expanded joint welding manner again, but expanded joint mode is more first welded in employing, and middle tube head plate and heat exchanger tube solder side are processed into wide, to be deeply 2mm ring groove, can by tube head plate or end socket mother metal, heat exchanger tube mother metal and solder three be organic fuses together during welding like this, guarantee that heat exchanger does not leak; Outer tube, interior pipe all adopt stainless steel internal and external threads bellows tube, can bear-110 DEG C of low temperature, simultaneously also can bear 120 DEG C of high temperature, and key to bear the suddenly cold and hot of-110 DEG C to 120 DEG C and the STRESS VARIATION that causes;
(4) corrosion resistance: all material selection trades mark of heat exchanger are the 316L titanium material steel of 00Cr17Ni14Mo2, both can the corrosion of sulphur-containing substance in anti-oil gas, again can in case the salt air corrosion on seashore, heat exchanger outer surface is coated with epoxy thick-film type finish paint, be commonly called as naval's paint, double insurance has been carried out to Defend salt fog.
Accompanying drawing explanation
Fig. 1 is the outline drawing of Trinity shell-tube type oil gas heat exchanger of the present invention.
Fig. 2 is the profile top view of Trinity shell-tube type oil gas heat exchanger of the present invention.
Fig. 3 is the axial section partial enlarged drawing of Fig. 1.
Fig. 4 is the axial view of end socket in Fig. 1.
Fig. 5 is the axial view of Fig. 1 China and foreign countries housing.
In figure: 11 outer tubes, pipe in 12,21 left end sockets, 211 refrigerant inlet pipes, 22 right end sockets, 212 refrigerant outlet pipes, 31 left outside housings, 311 left high temperature oil tracheaes, 312 left condensate adapters, 32 right outside housings, 321 right high temperature oil tracheaes, 322 right condensate adapters, 4 middle casings, 41 left low-temperature oil tracheaes, 42 right low-temperature oil tracheaes.
Detailed description of the invention
As shown in Figures 1 to 5, Trinity shell-tube type oil gas heat exchanger of the present invention, comprises housing and is placed in the heat-transfer pipe in housing;
Described heat-transfer pipe is by outer tube 11 and be placed in pipe 12 in outer tube and form;
Described housing is linked in sequence by left end socket 21, left outside housing 31, middle casing 4, right outside housing 32 and right end socket 22 and forms;
Dividing plate is had in described left end socket 21, left end socket 21 is at least divided into an external cold-producing medium for refrigerant inlet pipe 211 and enters district, with the cold-producing medium discharge area of an external refrigerant outlet pipe 212, described right end socket 22 inside is communicated with, flow through for cold-producing medium, described interior pipe 12 passes axially through left outside housing 31, middle casing 4 and right outside housing 32, left side opening is in left end socket 21, right openings in right end socket 22, cold-producing medium import and export pipe 211,212, left end socket 21, interior pipe 12 and right end socket 22 form coolant channel;
Cold-producing medium enters the entrance region of left end socket 21 from refrigerant inlet pipe 211, flow through interior pipe 12 outbound tube portion, turn back in right end socket 22, enter interior pipe 12 return tube portion, enter the outlet area of left end socket 21, flow out through refrigerant outlet pipe 212, in the process, cold-producing medium absorbs heat, and becomes gaseous state from liquid state.According to the different demarcation of end socket region quantity, cold-producing medium is at least walked two flow processs, also can be more.This is this professional general knowledge, can determine as required.
Described left outside housing 31 top is provided with left high temperature oil tracheae 311, bottom is provided with left condensate adapter 312, right outside housing 32 top is provided with right high temperature oil tracheae 321, bottom is provided with right condensate adapter 322, described outer tube 11 passes axially through middle casing 4, left side opening is in left outside housing 31, right openings is in right outside housing 32, left high-temperature oil gas adapter 311, left outside housing 31, between outer tube 11 and interior pipe 12, right outside housing 32 and right high-temperature oil gas adapter 321 form high-temperature oil gas passage, condensate is discharged from left condensate adapter 312 and right left condensate adapter 322 respectively,
High-temperature oil gas enters left outside housing 31 from left high-temperature oil gas adapter 311, flows through the space between outer tube 11 and interior pipe 12, to right outside housing 32, discharges with right high-temperature oil gas adapter 321.The low temperature oil gas both direction heat release of high-temperature oil gas simultaneously inwardly outside pipe 12 inner refrigerant and outer tube 11, by most of oil cooling liquation wherein out, discharge from left condensate adapter 312 and right left condensate adapter 322 respectively, reach the object of quick, efficient separation, recovered oil.
Described middle casing 4 upper left side is provided with left low-temperature oil tracheae 41, upper right side is provided with right low-temperature oil tracheae 42, middle casing 4 inside is provided with multiple deflection plate 40, left low-temperature oil tracheae 41, between middle casing 4 and outer tube 11 and right low-temperature oil tracheae 42 form low temperature gas channel.
Delivery temperature through the large gauging of precipitation of right high-temperature oil gas adapter 321 discharge is very low, be rich in a large amount of colds, it is introduced from the right low-temperature oil tracheae 42 middle casing 4, flow through middle casing 4, discharge from left low-temperature oil tracheae 41, deflection plate 40 1 aspect increases its flowing road and extends heat-exchange time, adds strong disturbance, augmentation of heat transfer on the other hand.Thus by cold through passing outer tube 11 high-temperature oil gas, strengthening the recovery of oil, arriving energy-efficient object.
Described heat-transfer pipe is efficient heat-exchanging pipe, with augmentation of heat transfer, reduces heat exchanger volume.
After described interior pipe 12 and left end socket 21 and right end socket 22 adopt and first weld, expanded joint mode is connected.Guarantee that weld does not leak when low temperature, high temperature and suddenly cold and hot.
Described case material is 316L titanium steel.
Outer tube 11 and interior pipe 12 also can adopt 316L material, inside and outside be screw thread, and be efficient corrugated pipe; Due to the profile of bellows tube concave-convex surface, make fluid form stronger turbulent flow in pipe, thus greatly improve the heat exchange number of pipe surfaces externally and internally, make heat exchanger overall heat exchange efficiency than raising 2-3 times of common shell and tube; Its ripple struction, can the thermal stress that produces due to the medium temperature difference of automatic compensating.
Described housing outer surface is coated with epoxy thick-film type finish paint, is commonly called as naval's paint, effectively can prevents the corrosion of sulfide.
Claims (5)
1. a Trinity shell-tube type oil gas heat exchanger, comprises housing and is placed in the heat-transfer pipe in housing, it is characterized in that:
Described heat-transfer pipe is made up of outer tube (11) and the interior pipe (12) be placed in outer tube;
Described housing is linked in sequence by left end socket (21), left outside housing (31), middle casing (4), right outside housing (32) and right end socket (22) and forms;
Dividing plate is had in described left end socket (21), left end socket (21) is at least divided into an external cold-producing medium for refrigerant inlet pipe (211) and enters district, with the cold-producing medium discharge area of an external refrigerant outlet pipe (212), described right end socket (22) inside is communicated with, flow through for cold-producing medium, described interior pipe (12) passes axially through left outside housing (31), middle casing (4) and right outside housing (32), left side opening is in left end socket (21), right openings is in right end socket (22), cold-producing medium enters, outlet (211, 212), left end socket (21), interior pipe (12) and right end socket (22) form coolant channel,
Described left outside housing (31) top is provided with left high temperature oil tracheae (311), bottom is provided with left condensate adapter (312), right outside housing (32) top is provided with right high temperature oil tracheae (321), bottom is provided with right condensate adapter (322), described outer tube (11) passes axially through middle casing (4), left side opening is in left outside housing (31), right openings is in right outside housing (32), left high-temperature oil gas adapter (311), left outside housing (31), between outer tube (11) and interior pipe (12), right outside housing (32) and right high-temperature oil gas adapter (321) form high-temperature oil gas passage, condensate is discharged from left condensate adapter (312) and right condensate adapter (322) respectively,
Described middle casing (4) upper left side is provided with left low-temperature oil tracheae (41), upper right side is provided with right low-temperature oil tracheae (42), middle casing (4) inside is provided with multiple deflection plate (40), left low-temperature oil tracheae (41), between middle casing (4) and outer tube (11) and right low-temperature oil tracheae (42) form low temperature gas channel.
2. Trinitarian shell-tube type oil gas heat exchanger according to claim 1, is characterized in that: described heat-transfer pipe is efficient heat-exchanging pipe.
3. Trinitarian shell-tube type oil gas heat exchanger according to claim 1 and 2, is characterized in that: after described interior pipe (12) and left end socket (21) and right end socket (22) adopt and first weld, expanded joint mode is connected.
4. Trinitarian shell-tube type oil gas heat exchanger according to claim 1, is characterized in that: described case material is 316L titanium steel.
5. Trinitarian shell-tube type oil gas heat exchanger according to claim 1, is characterized in that: described housing outer surface is coated with epoxy thick-film type finish paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310424649.1A CN103453782B (en) | 2013-09-18 | 2013-09-18 | Three-in-one shell and tube oil-gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310424649.1A CN103453782B (en) | 2013-09-18 | 2013-09-18 | Three-in-one shell and tube oil-gas heat exchanger |
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| Publication Number | Publication Date |
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| CN103453782A CN103453782A (en) | 2013-12-18 |
| CN103453782B true CN103453782B (en) | 2015-01-28 |
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| CN201310424649.1A Active CN103453782B (en) | 2013-09-18 | 2013-09-18 | Three-in-one shell and tube oil-gas heat exchanger |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864734B (en) * | 2014-02-23 | 2017-03-15 | 参化（上海）能源科技有限公司 | Condenser and condensation method |
| CN104515420A (en) * | 2014-12-26 | 2015-04-15 | 无锡博利达换热器有限公司 | Heat exchanger integrating air cooling and oil cooling |
| CN104964583B (en) | 2015-07-30 | 2017-01-11 | 镇海石化建安工程有限公司 | Normal pressure tower top oil-gas heat exchanging device and heat exchanging method |
| CN105783554B (en) * | 2016-05-09 | 2017-08-29 | 河北科技大学 | A kind of three-phase interactive mode vortex heat exchanger |
| CN110044104A (en) * | 2019-04-24 | 2019-07-23 | 安徽工程大学 | A kind of shell and tube condenser of included oil cooler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863713A (en) * | 1973-08-27 | 1975-02-04 | Stewart Warner Corp | Heat exchanger |
| CN2094021U (en) * | 1991-05-25 | 1992-01-22 | 程效民 | Tube in tube tubular heat-exchanger |
| CN101446474B (en) * | 2008-12-25 | 2010-04-07 | 化学工业第二设计院宁波工程有限公司 | Casing combined type anti-clogging raw oil heat exchanger |
| CN102486353A (en) * | 2010-12-02 | 2012-06-06 | 王成东 | Energy-saving high efficiency rapid condenser |
| CN203518656U (en) * | 2013-09-18 | 2014-04-02 | 南京都乐制冷设备有限公司 | Three-in-one shell pipe type oil gas heat exchanger |
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Denomination of invention: Trinity shell and tube oil-gas heat exchanger Effective date of registration: 20221025 Granted publication date: 20150128 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: NANJING ALL DELIGHT REFRIGERATION EQUIPMENT Co.,Ltd. Registration number: Y2022980019380 |
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Granted publication date: 20150128 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: NANJING ALL DELIGHT REFRIGERATION EQUIPMENT Co.,Ltd. Registration number: Y2022980019380 |
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