CN102267608B - Natural circulation phase-change heating oil storage tank - Google Patents

Natural circulation phase-change heating oil storage tank Download PDF

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CN102267608B
CN102267608B CN201110091206.6A CN201110091206A CN102267608B CN 102267608 B CN102267608 B CN 102267608B CN 201110091206 A CN201110091206 A CN 201110091206A CN 102267608 B CN102267608 B CN 102267608B
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storage tank
pipeline
tank
crude oil
oil
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CN102267608A (en
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郑廷震
杨增森
张伟峰
宋雨国
魏刚
刘凯
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刘凯
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Abstract

The invention relates to a natural circulation phase-change heating oil storage tank. The technical scheme is as follows: the natural circulation phase-change heating oil storage tank consists of a phase-change heating furnace, an oil storage tank and a pipeline system, wherein the phase-change heating furnace is connected with the oil storage tank by the pipeline system; the oil storage tank comprises two forms such as a normal pressure tank or a bearing and separating tank; the pipeline system consists of a crude oil pipeline, a gas pipeline and water-vapor circulation pipelines, and the crude oil pipeline and the gas pipeline are laid under a foundation line; the water-vapor circulation pipelines are erected from the air, and are divided into an upper layer and a lower layer, wherein the upper layer is high-temperature water-vapor tank inlet pipelines and the lower layer is a condensed water return pipeline. When in working, phase change is utilized for heat transferring so as to realize backflow naturally without needing a forced circulation system such as a hot water pump and the like, and the heat efficiency reaches or exceeds that of the 'heart-burn' structure; the matched heating furnace combines the advantages of a water jacket furnace and a pipe type furnace, and is equipped with a single-well coiled pipe; especially, a hearth adopts a water-cooling wall structure, and a fire grate adopts water-cooling pipes without using refractory bricks, so that the volume is smaller, the weight is light, the heat loss is less, and the heat efficiency is high. The heating furnace can achieve the purpose of burning three types of fuels such as coal, gas and oil simultaneously.

Description

Natural-circulation phase-transition heating oil storage tank
One, technical field:
The present invention relates to a kind of oil field heating arrangement, particularly a kind of natural-circulation phase-transition heating oil storage tank that is applicable to heating crude oil, storage and shipment that oil field individual well draws oil tank and Multifunction tank.
Two, background technology:
At present, the individual well that China's development of the field is used draws oil tank to mainly contain two kinds of normal pressure elevated tank and pressure-bearing Multifunction tanks, its heating original paper version is " the baked wheaten cake heart " structure, fire cylinder directly heats crude oil, the security regulations of GB50183-2004 < < petroleum gas engineering design fire safety rules > > had not so both been met, and in real world applications, really frequently having large tank blast accident to occur, hidden danger is very big; And pressure-bearing Multifunction tank can not be coal-fired, when if source of the gas is inadequate, will affect production, also there is application Split type structure, be that heating furnace separates with petrol storage tank, heat that heating furnace produces is absorbed by thermal medium, carry out heat exchange, but heating furnace used is generally atmospheric pressure kiln by circulation pump forced conveyance to heat exchanger in petrol storage tank, relative permitivity is large, add frequently, have a narrow range of temperature (water temperature is less than 100 degrees Celsius), easily fouling, thermal effect are low, are difficult to meet real need of production; And the long-term use continuously of circulation pump, fault rate is high, big energy-consuming.
Three, summary of the invention:
Object of the present invention is exactly in view of the foregoing defects the prior art has, a kind of natural-circulation phase-transition heating oil storage tank is provided, heating furnace and petrol storage tank are Split type structure, its spacing > 15m, meets the security regulations of GB50183-2004 < < petroleum gas engineering design fire safety rules > >.
Its technical scheme is: mainly phase change heating furnace, petrol storage tank and three of pipeline systems, consist of, phase change heating furnace connects petrol storage tank by pipeline system; Described petrol storage tank has normal pressure tank or two kinds of forms of pressure-bearing separating tank; Described pipeline system is comprised of crude oil pipeline, gas pipeline, Water, steam circulation pipeline, and crude oil pipeline, gas pipeline are layed in below ground baseline; Water, steam circulation pipeline is from setting up in the air, minute two-layer up and down, and top is superheated vapor tube for entering can line, and bottom is condensate return pipeline.
Above-mentioned phase change heating furnace is mainly by bearing, combustion chamber, shell, crude oil coil pipe, smoke box, chimney, upper cover, smoke pipe, low head, inner core, furnace grate tube, seal ring forms, the fixed combustion chamber, top of bearing, the outside of combustion chamber is inner core fixedly, described combustion chamber passes through smoke pipe, smoke box is connected with chimney, the two ends up and down of described smoke pipe are fixedly upper cover and low head respectively, between base and smoke box, by shell, fix, by shell, inner core, upper cover, low head and seal ring form relatively airtight water-soluble furnace chamber, crude oil coil pipe is placed in furnace chamber, and spiral winding is around smoke pipe, furnace grate tube is fixed on combustion chamber bottom and communicates with furnace chamber.
Above-mentioned a kind of normal pressure tank is horizontal cuboid, by fangs, tank body, upper heat exchanger, lower heat exchanger, crude oil diffuser, oil drain hole, pneumostome, formed, tank body is fixed on fangs, upper heat exchanger, lower heat exchanger, crude oil diffuser are separately fixed at middle bottom in tank body, and pneumostome is placed in the top of tank body.
Above-mentioned another kind of pressure-bearing separating tank is Horizontal cylinder body, by fangs, tank body, upper heat exchanger, lower heat exchanger, crude oil diffuser, oil drain hole, safety valve and a minute gas bag, formed, tank body is fixed on fangs, upper heat exchanger, lower heat exchanger, crude oil diffuser are separately fixed at middle bottom in tank body, and safety valve and minute gas bag are placed in the top of tank body.
Wherein, the outside port that connects of combustion chamber, the upper and lower side of shell respectively fixedly condensate return mouth and steam outlet communicate with furnace chamber, the below of steam outlet is liquidometer communicating with furnace chamber fixedly.
The invention has the beneficial effects as follows: safe and reliable, native system comformability is extremely wide, petrol storage tank can be designed to normal pressure and two kinds of forms of pressure-bearing, when oil product air content is large, uses the isolated natural fuels of pressure resistant vessel tank as heating furnace fuel, can be greatly cost-saving; Heating furnace all can be used as fuel with coal, gas, oil, and heat to many petrol storage tanks simultaneously and save local and be easy to manage, by being provided with crude oil in heat exchanger bottom, enter tank diffuser, can make into tank crude oil rapidly, be uniformly distributed in heat exchanger bottom periphery, expand contact surface, extend heat-exchange time, manufacture turbulent flow, heat waste is little, thermal effect is high, improves heat exchange efficiency.
Four, accompanying drawing explanation:
Accompanying drawing 1 is the constructional drawing of phase change heating furnace of the present invention;
Accompanying drawing 2 is normal pressure petrol storage tank heating procedure schematic diagrams of the first technical scheme of the present invention;
Accompanying drawing 3 is the separated petrol storage tank heating procedure of pressure-bearing schematic diagrams of the second technical scheme of the present invention.
In upper figure: fangs A, tank body B, upper heat exchanger C, lower heat exchanger D, crude oil diffuser E, oil drain hole F, pneumostome G, phase change heating furnace H, safety valve I and minute gas bag J;
Bearing 1, condensate return mouth 2, port 3, combustion chamber 4, shell 5, crude oil coil pipe 6, liquidometer 7, steam outlet 8, smoke box 9, chimney 10, upper cover 11, crude exports 12, smoke pipe 13, crude oil import 14, low head 15, inner core 16, furnace grate tube 17, seal ring 18.
Five, the specific embodiment:
Embodiment 1: 1-2 by reference to the accompanying drawings, and the invention will be further described:
The present invention is mainly comprised of phase change heating furnace H, petrol storage tank and three of pipeline systems, and phase change heating furnace connects petrol storage tank by pipeline system; Described petrol storage tank has normal pressure tank or two kinds of forms of pressure-bearing separating tank; Described pipeline system is comprised of crude oil pipeline, gas pipeline, Water, steam circulation pipeline, valve, and crude oil pipeline, gas pipeline are layed in below ground baseline; Water, steam circulation pipeline is from setting up in the air, minute two-layer up and down, and top is superheated vapor tube for entering can line, and bottom is condensate return pipeline.
Wherein, normal pressure tank is horizontal cuboid, by fangs A, tank body B, upper heat exchanger C, lower heat exchanger D, crude oil diffuser E, oil drain hole F, pneumostome G, formed, tank body B is fixed on fangs A, upper heat exchanger C, lower heat exchanger D, crude oil diffuser E are separately fixed at middle bottom in tank body, and pneumostome G is placed in the top of tank body.
Wherein, phase change heating furnace is mainly by bearing 1, combustion chamber 4, shell 5, crude oil coil pipe 6, smoke box 9, chimney 10, upper cover 11, smoke pipe 13, low head 15, inner core 16, furnace grate tube 17, seal ring 18 forms, the fixed combustion chamber, top 4 of bearing 1, the outside of combustion chamber 4 is inner core 16 fixedly, described combustion chamber 4 is by smoke pipe 13, smoke box 9 is connected with chimney 10, the two ends up and down of described smoke pipe 13 are individually fixed in upper cover 11 and low head 15, between base and smoke box, by shell, fix, by shell 5, inner core 16, upper cover 11, low head 15 and seal ring 18 form relatively airtight water-soluble furnace chamber, crude oil coil pipe is placed in furnace chamber, and be spirally wound on around smoke pipe, furnace grate tube 17 is fixed on combustion chamber bottom and communicates with furnace chamber.
Wherein, the outside port 3 that connects of combustion chamber, the upper and lower side of shell respectively fixedly condensate return mouth 2 and steam outlet 8 communicate with furnace chamber, the below of steam outlet is liquidometer 7 communicating with furnace chamber fixedly.
Its principle of work is: coal, natural fuels or fuel oil produce high warm flue gas in combustion chambers burn, hot flue gas makes its high-temperature evaporation with radiation, conduction pattern by the superconduction heating agent in inner core, smoke pipe heated shell, heating agent steam meets outside crude oil coil pipe heating, with superconducting heat transfer type, enter the hot tube heat exchanger in petrol storage tank simultaneously, after phase-change heat-exchange, with liquid state, through reflux pipeline, get back in heating furnace housing, the work so going round and beginning again, realizes the heating to well product in petrol storage tank.
Heating furnace and petrol storage tank are Split type structure, its spacing > 15m, meets the security regulations of GB50183-2004 < < petroleum gas engineering design fire safety rules > >.During work, utilize phase-change heat-exchange, natural back flow, does not need by forced circulation systems such as hot water pumps, and thermal effect meets or exceeds " the baked wheaten cake heart " structure; The supporting heating furnace of institute, in conjunction with water jacket furnace and pipe heater advantage, is furnished with individual well coil pipe, and especially burner hearth adopts water wall structure, and fire grate adopts water cooling tube structure, and without fire brick, volume is little, lightweight more, and heat waste is little, and thermal effect is high.This heating furnace can coal, gas, three kinds of fuel of oil burn simultaneously.
Embodiment 2: by reference to the accompanying drawings 3, and the invention will be further described:
Another kind of pressure-bearing separating tank is Horizontal cylinder body, by fangs A, tank body B, upper heat exchanger C, lower heat exchanger D, crude oil diffuser E, oil drain hole F, safety valve I and a minute gas bag J, formed, tank body B is fixed on fangs A, upper heat exchanger C, lower heat exchanger D, crude oil diffuser E are separately fixed at middle bottom in tank body, and safety valve I and minute gas bag J are placed in the top of tank body.
Advantage of the present invention is as follows:
1, safe and reliable, 15 meters of heating furnace and petrol storage tank spacing >, the safety that meets GB50183-2004 < < petroleum gas engineering design fire safety rules > > is stipulated with fire; Be furnished with thermostatic control valve, can, according to medium temperature, automatically regulate thermal source size.
2, native system comformability is extremely wide, and petrol storage tank can be designed to normal pressure and two kinds of forms of pressure-bearing, when oil product air content is large, uses the isolated natural fuels of pressure resistant vessel tank as heating furnace fuel, can be greatly cost-saving; Heating furnace all can be used as fuel with coal, gas, oil, and heats to many petrol storage tanks simultaneously and save local and be easy to manage.
3, convenient management, utilizes phase-change heat-exchange, and natural back flow does not need by forced circulation systems such as hot water pumps, saves handling cost; System is utilized phase transition of vacuum super-conducting efficient heat transfer technology in Space Science and Technology, heat absorption, conduct heat fast, efficiency is high.
4,, because be provided with individual well heating coil, to entering the preheating of tank crude oil, so thermal effect is more remarkable, and can reduce wellhead back pressure, increase crude output.(because individual well coil pipe is water-bath structure, with respect to pipe heater, in the time of effectively preventing from stopping dry combustion method because of local overheating generation coking, pipe explosion accident.)
5, burner hearth adopts water wall structure, and without fire brick, heat waste is little, thermal effect is high.And due to compact conformation, volume is little, lightweight, and consumable quantity is few, and manufacturing cost is also low.Fire grate adopts water cooling tube structure, not easy burn-out.
6, petrol storage tank heat exchanger is connect in parallel with upside and downside hierarchy, by valve, controls, and can move at the same time or separately.When the high liquid level of oil storage, operation, can make levels crude oil heat exchange even simultaneously, and speed is accelerated, and does not stay dead angle; When the low liquid level of oil storage, can close upper valve, concentrate bottom crude oil is effectively heated, can lower heat waste, do not flog a dead horse, make heat exchange faster.
7, in heat exchanger bottom, be provided with crude oil and enter tank diffuser, can make into tank crude oil rapidly, be uniformly distributed in heat exchanger bottom periphery, expand contact surface, extend heat-exchange time, manufacture turbulent flow, improve heat exchange efficiency.

Claims (4)

1. a natural-circulation phase-transition heating oil storage tank, is characterized in that: mainly phase change heating furnace, petrol storage tank and three of pipeline systems, consist of, phase change heating furnace connects petrol storage tank by pipeline system; Described petrol storage tank can be two kinds of normal pressure tank or pressure-bearing separating tanks; Described pipeline system is comprised of crude oil pipeline, gas pipeline, Water, steam circulation pipeline, and crude oil pipeline, gas pipeline are layed in below ground baseline; Water, steam circulation pipeline is from setting up in the air, minute two-layer up and down, and top is superheated vapor tube for entering can line, and bottom is condensate return pipeline;
Described petrol storage tank is connect in parallel with upside and downside hierarchy, by valve, controls, and can move at the same time or separately; When the high liquid level of oil storage, operation, can make levels crude oil heat exchange even simultaneously, and speed is accelerated, and does not stay dead angle; When the low liquid level of oil storage, can close upper valve, concentrate bottom crude oil is effectively heated, can lower heat waste, do not flog a dead horse, make heat exchange faster;
In petrol storage tank bottom, be provided with crude oil and enter tank diffuser, can make into tank crude oil rapidly, be uniformly distributed in petrol storage tank bottom periphery, expand contact surface, extend heat-exchange time, manufacture turbulent flow, improve heat exchange efficiency.
2. natural-circulation phase-transition heating oil storage tank according to claim 1, is characterized in that: described phase change heating furnace is mainly by bearing (1), combustion chamber (4), shell (5), crude oil coil pipe (6), smoke box (9), chimney (10), upper cover (11), smoke pipe (13), low head (15), inner core (16), furnace grate tube (17), seal ring (18) forms, the fixed combustion chamber, top (4) of bearing (1), and the outside of combustion chamber (4) is inner core (16) fixedly, and described combustion chamber (4) is by smoke pipe (13), smoke box (9) is connected with chimney (10), and the two ends up and down of described smoke pipe (13) are fixedly upper cover (11) and low head (15) respectively, fixes, by shell (5) between base and smoke box by shell, inner core (16), upper cover (11), low head (15) and seal ring (18) form relatively airtight water-soluble furnace chamber, and crude oil coil pipe is placed in furnace chamber, and is spirally wound on around smoke pipe, and furnace grate tube (17) is fixed on combustion chamber bottom and communicates with furnace chamber.
3. natural-circulation phase-transition heating oil storage tank according to claim 1, it is characterized in that: described normal pressure tank is horizontal cuboid, by fangs (A), tank body (B), upper heat exchanger (C), lower heat exchanger (D), crude oil diffuser (E), oil drain hole (F), pneumostome (G), formed, tank body (B) is fixed on fangs (A), upper heat exchanger (C), lower heat exchanger (D), crude oil diffuser (E) are separately fixed at middle bottom in tank body, and pneumostome (G) is placed in the top of tank body.
4. natural-circulation phase-transition heating oil storage tank according to claim 1, it is characterized in that: described pressure-bearing separating tank is Horizontal cylinder body, by fangs (A), tank body (B), upper heat exchanger (C), lower heat exchanger (D), crude oil diffuser (E), oil drain hole (F), safety valve (I) and a minute gas bag (J), formed, tank body (B) is fixed on fangs (A), upper heat exchanger (C), lower heat exchanger (D), crude oil diffuser (E) are separately fixed at middle bottom in tank body, and safety valve (I) and minute gas bag (J) are placed in the top of tank body.
CN201110091206.6A 2011-03-31 2011-03-31 Natural circulation phase-change heating oil storage tank Expired - Fee Related CN102267608B (en)

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Publication number Priority date Publication date Assignee Title
CN107902279A (en) * 2017-12-15 2018-04-13 佛山高富中石油燃料沥青有限责任公司 A kind of conduction oil oil storage tank
CN117847781A (en) * 2023-12-25 2024-04-09 东营市瑞兽节能设备有限公司 Energy efficiency multiplied crude oil double-superposition heating device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201362466Y (en) * 2008-11-10 2009-12-16 皇明太阳能集团有限公司 Solar petroleum storage tank heating system
CN201589418U (en) * 2009-11-20 2010-09-22 王凯一 Combined type circulatory heating system
CN201712987U (en) * 2010-05-19 2011-01-19 青岛青大物产股份有限公司 Capsanthin storage tank
CN202138751U (en) * 2011-03-31 2012-02-08 刘凯 Natural-circulation phase-transition heating oil storage tank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201362466Y (en) * 2008-11-10 2009-12-16 皇明太阳能集团有限公司 Solar petroleum storage tank heating system
CN201589418U (en) * 2009-11-20 2010-09-22 王凯一 Combined type circulatory heating system
CN201712987U (en) * 2010-05-19 2011-01-19 青岛青大物产股份有限公司 Capsanthin storage tank
CN202138751U (en) * 2011-03-31 2012-02-08 刘凯 Natural-circulation phase-transition heating oil storage tank

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