CN103759438A - Concentrating type solar heat collecting and crude oil heating system - Google Patents
Concentrating type solar heat collecting and crude oil heating system Download PDFInfo
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- CN103759438A CN103759438A CN201410020447.5A CN201410020447A CN103759438A CN 103759438 A CN103759438 A CN 103759438A CN 201410020447 A CN201410020447 A CN 201410020447A CN 103759438 A CN103759438 A CN 103759438A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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Abstract
The invention relates to a concentrating type solar heat collecting and crude oil heating system. Crude oil is heated through a water bath jacket furnace and a heat exchanger, the water bath jacket furnace and the heat exchanger are connected in parallel or in series parallel to be used in combination, a heat transfer oil inlet and a heat transfer oil outlet of the heat exchanger are connected with a solar heat collector and a buffer tank respectively, a heat transfer oil inlet and a heat transfer oil outlet of the buffer tank are connected with the heat exchanger and a circulating pump respectively, a heat transfer oil inlet and a heat transfer oil outlet of an oil supplementing tank are connected with an oil supplementing pump and the circulating pump respectively, a gasified heat transfer oil outlet of the buffer tank is connected with a gasified heat transfer oil inlet of the oil supplementing tank, a heat transfer oil inlet and a heat transfer oil outlet of the solar heat collector are connected with the circulating pump and the heat exchanger respectively, and the heat transfer oil outlet of the solar heat collector is also connected with the buffer tank. The system has the advantages that concentrating solar power can generate higher heat collecting temperature to have heat transfer oil heated and to be used for heating the crude oil, medium and high temperature utilization in the solar power is realized, and optical heat efficiency of the whole system is improved.
Description
[technical field]
The present invention relates to application of solar, specifically, is a kind of concentrating solar thermal-arrest heating in crude oil system.
[background technology]
Crude oil in China freezing point is generally higher, and viscosity is large, and normal temperature current downflow is poor, therefore in crude oil production, processing and storage and transport process, all must heat crude oil.In the oil recovery in oil field, in collecting the process such as defeated, has the energy consumption of 20% left and right at least for heating and the processing of crude oil, traditional heating technique typically uses burns coal, fuel oil, natural gas, electrically heated method, this not only causes a large amount of energy resource consumptions and serious problem of environmental pollution, and has no small potential safety hazard.
For addressing the above problem, find energy-conservation, clean mode of heating and replace conventional oilfield exploitation, collect defeated mode and become study hotspot in recent years.Publication number be the patent of CN1654879, patent that publication number is CN1670422 each a kind of solar energy indirect induction system that comprises solar energy heat collector, water storage box, crude oil/water heat exchanger and heating furnace is disclosed, utilize solar energy partly to replace conventional energy resource heating conveying crude oil; Publication number is that the patent of CN1254053 discloses a kind of technology of utilizing solar energy to carry out oil development, by adopting solar energy, the water filling in oil development process is heated, improve reservoir temperature, pressure, reduce viscosity of crude, mechanical oil recovery is changed into oil flow production.
But prior art has only been utilized non-spotlight mode solar thermal collector on solar energy heating heating in crude oil device, and heat-collecting temperature is lower, belong to the low temperature photothermal technique of solar energy, be difficult to meet the heat for medium and high temperature in industry.Non-spotlight mode solar energy heating crude oil transportation system is heated to heat transfer medium water 80 ℃ of left and right conventionally, utilizes the sensible heat of water to carry out heating in crude oil, and the thermal efficiency of whole system is lower, and solar energy utilization ratio is not high.And not superfluous for solar energy, solar energy lacks, crude oil is excessive, crude-oil shortage, conduction oil excess Temperature, the too low situation of conduction oil temperature are made reasonable efficient system configuration and control.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of concentrating solar thermal-arrest heating in crude oil system is provided.
The object of the invention is to be achieved through the following technical solutions:
A concentrating solar thermal-arrest heating in crude oil system, it comprises water-bath chuck stove, heat exchanger, surge tank, repairing tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, it is characterized in that, the interface I of former oil-in and electric T-shaped valve I is connected by pipeline, the crude oil input of water-bath chuck stove is connected by pipeline with the interface II of electric T-shaped valve I, the crude oil output of water-bath chuck stove is connected by pipeline with crude exports, the crude oil input of heat exchanger is connected by pipeline with the interface III of electric T-shaped valve I, the crude oil output of heat exchanger is connected by pipeline with crude exports, the conduction oil input of heat exchanger is connected by pipeline with the interface I of electric T-shaped valve II, the conduction oil output of heat exchanger and the conduction oil input of surge tank are connected by pipeline, the conduction oil output of surge tank and the import of circulating pump are connected by pipeline, the gasification conduction oil output of surge tank and the gasification conduction oil input of repairing tank are connected by pipeline, the conduction oil input of repairing tank is connected by pipeline with repairing delivery side of pump, the conduction oil output of repairing tank and the import of circulating pump are connected by pipeline, the import of slippage pump is connected by pipeline with the import of circulating pump, the conduction oil input of circulation delivery side of pump and solar energy heat collector is connected by pipeline, the conduction oil output of solar energy heat collector is connected by pipeline with the interface II of electric T-shaped valve II, the interface III of electric T-shaped valve II and the conduction oil input of surge tank are connected by pipeline.
The conduction oil of described repairing tank is transported to concentrating solar heat collector by circulating pump and carries out preheating or heating, and the conduction oil that reaches uniform temperature carries out heat exchange with heating in crude oil by heat exchanger and crude oil; Meanwhile, by thermal resistance, monitor the temperature of pipeline, utilize motor-driven valve to control switch and the flow of each pipeline, adjust switch and the flow of pipeline in good time; Conduction oil unnecessary or excess Temperature directly enters surge tank without heat exchanger, avoids heating crude oil excess Temperature; It is outer defeated that unnecessary crude oil enters the heating of water-bath chuck stove, defeated outside too low can further the heating by water-bath chuck stove of crude oil temperature of heat exchanger heats.
Described water-bath chuck stove can use burning or electrically heated mode that heat is provided, and crude oil is heated; Described water-bath chuck stove is provided with crude oil input, crude oil output; Water-bath chuck stove is used in combination by pipeline and heat exchanger in series or in parallel or connection in series-parallel, guarantees the temperature constant of crude oil output in varying environment or operating mode situation; When described water-bath chuck stove is in parallel with heat exchanger, the crude oil input of water-bath chuck stove is connected respectively former oil-in and crude exports with crude oil output by pipeline; When described water-bath chuck stove and heat exchanger in series, the crude oil input of water-bath chuck stove is connected respectively the crude oil input of former oil-in and heat exchanger by pipeline with crude oil output, or the crude oil input of water-bath chuck stove is connected respectively crude oil output and the crude exports of heat exchanger by pipeline with crude oil output; When described water-bath chuck stove and heat exchanger connection in series-parallel are used in combination, the crude oil input of a water-bath chuck stove is connected respectively former oil-in and crude exports with crude oil output by pipeline, the crude oil input of another water-bath chuck stove is connected respectively the crude oil input of former oil-in and heat exchanger by pipeline with crude oil output, or the crude oil input of another water-bath chuck stove is connected respectively crude oil output and the crude exports of heat exchanger by pipeline with crude oil output.
Described heat exchanger can use common heat exchangers or efficient heat exchanger, for the heat exchange between conduction oil and crude oil; Described heat exchanger is provided with conduction oil input, conduction oil output, crude oil input, crude oil output; The conduction oil input of described heat exchanger connects the conduction oil output of solar energy heat collector by pipeline; The conduction oil output of described heat exchanger connects the conduction oil input of surge tank by pipeline; The crude oil input of described heat exchanger connects the crude oil output of former oil-in or water-bath chuck stove by pipeline; The crude oil output of described heat exchanger connects the crude oil input of crude exports or water-bath chuck stove by pipeline.
Described surge tank can be used diaphragm type or gasbag-type surge tank, for the pressure oscillation of buffer system, regulates the stability of conduction oil temperature, makes system works steadily energy-efficient; Described surge tank is provided with conduction oil input, conduction oil output, gasification conduction oil output; The conduction oil input of described surge tank connects respectively the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector by pipeline; The conduction oil output of described surge tank connects respectively the conduction oil input of solar energy heat collector and the conduction oil input of repairing tank by pipeline; The gasification conduction oil output of described surge tank connects the gasification conduction oil input of repairing tank by pipeline.
Described repairing tank is for the conduction oil of supplementary or storage system, and collection is from the gasification conduction oil of surge tank, is convenient to system-down and safeguards; Described repairing tank is provided with conduction oil input, conduction oil output, gasification conduction oil input; The conduction oil input of described repairing tank connects the conduction oil output of surge tank by pipeline; The conduction oil output of described repairing tank connects the conduction oil input of solar energy heat collector by pipeline; The gasification conduction oil input of described repairing tank connects the gasification conduction oil output of surge tank by pipeline.
Described solar energy heat collector is concentrating solar collector, by polylith solar collector panel, is formed by connecting, and for the conduction oil of water back, heat collector can be used groove type heat collector or tower-type heat collector or Fresnel heat collector or dish formula heat collector; Described solar energy heat collector is provided with conduction oil input, conduction oil output; The conduction oil input of described solar energy heat collector connects respectively the conduction oil output of repairing tank and the conduction oil output of surge tank by pipeline; The conduction oil output of described solar energy heat collector connects respectively the conduction oil input of heat exchanger and the conduction oil input of surge tank by pipeline.Described concentrating solar thermal-arrest heating in crude oil system belongs to forced circulation system, so the connection between concentrating solar thermal-arrest panel can adopt parallel connection or series connection or connection in series-parallel to be used in combination; When described concentrating solar thermal-arrest panel is in parallel, the conduction oil input of the heat conductive oil inlet of a plurality of thermal-arrest panels and solar energy heat collector is connected, and the conduction oil outlet of a plurality of thermal-arrest panels is connected with the conduction oil output of solar energy heat collector; When described concentrating solar thermal-arrest panel is connected, the conduction oil input of the heat conductive oil inlet of first thermal-arrest panel and solar energy heat collector is connected, the conduction oil outlet of thermal-arrest panel is connected with the heat conductive oil inlet of next thermal-arrest panel, and the conduction oil outlet of last thermal-arrest panel is connected with the conduction oil output of solar energy heat collector; When described concentrating solar heat collector surface plate serioparallel is used in combination, first a plurality of thermal-arrest panels are in parallel or be connected into one group, then will organize thermal-arrest panel more and be together in series or parallel;
Described temperature control equipment, the temperature of use thermal resistance collection pipeline, is used motor-driven valve to control the flow of each pipeline, the object of controlling to reach oily circulating temperature, the smooth work of assurance system under varying environment and operating mode; Described temperature control equipment is provided with thermal resistance I, thermal resistance II and electric T-shaped valve I, electric T-shaped valve II; Described thermal resistance I is arranged on the crude oil output and the pipeline between crude exports of heat exchanger, and connects electric T-shaped valve II by lead-in wire; Described thermal resistance II is arranged on the conduction oil output and the pipeline between electric T-shaped valve II of solar energy heat collector, and connects electric T-shaped valve I by lead-in wire; Described thermal resistance is used for monitoring, the crude oil temperature of the crude oil output of heat exchanger, or the conduction oil temperature of the conduction oil output of solar energy heat collector, or the temperature of crude exports, and be connected to corresponding motor-driven valve by lead-in wire; Described motor-driven valve is for controlling, from solar energy heat collector to heat exchanger and the conduction oil flow of surge tank, or the oil flow from former oil-in to water-bath chuck stove and heat exchanger.
Concentrating solar thermal-arrest heating in crude oil system of the present invention has following features:
(1) used large-area concentrating solar thermal-arrest dash receiver, by concentrator reflect, focusing sunlight improves solar energy density effectively, realizes the middle high temperature utilization of solar energy.
(2) principle of whole system is: conduction oil is transported to concentrating solar heat collector by circulating pump, utilizes solar energy to carry out preheating or heating, and the conduction oil that reaches uniform temperature carries out heat exchange with heating in crude oil by heat exchanger and crude oil; Meanwhile, by thermal resistance, monitor the temperature of pipeline, utilize motor-driven valve to control switch and the flow of each pipeline, adjust switch and the flow of pipeline in good time; Conduction oil unnecessary or excess Temperature directly enters surge tank without heat exchanger, avoids heating crude oil excess Temperature; It is outer defeated that unnecessary crude oil enters the heating of water-bath chuck stove, defeated outside too low can further the heating by water-bath chuck stove of crude oil temperature of heat exchanger heats; The mode that water-bath chuck stove and heat exchanger can adopt parallel connection or series connection or connection in series-parallel to be used in combination, guarantees that system can be stablized normal work under varying environment and operating mode, guarantees the crude oil output of 24 hours; When conduction oil lacks in system-down or system, can reclaim conduction oil or supplementary conduction oil by repairing tank.
(3) large-area concentrating solar heat collector is equipped with tracking system.For making concentrator constantly can both gather in maximum efficiency sunshine, make thermal-collecting tube performance maximum effect collect maximum solar energy, require concentrator to keep a best angle with the sun all the time.The connected mode of concentrating solar thermal-arrest panel can adopt parallel connection or series connection and connection in series-parallel to be used in combination.For the restriction of different operation demands or fabricating yard, can adopt different connected modes, reasonably connection can improve the operational efficiency of system effectively, reduces corresponding energy consumption, reduces manufacturing cost.
(4) heat transferring medium in heat exchanger is conduction oil and crude oil.Can select common heat exchangers or efficient heat exchanger according to actual needs, on the basis reducing costs, promote heat conduction reinforced, improve the heat transfer efficiency between conduction oil and crude oil, to reach the object that increases heated crude output and reduce the optimization system structures such as solar energy heat collector collection area.
(5) in system oil circulation route, be provided with a surge tank, can use diaphragm type or gasbag-type surge tank, for the pressure oscillation of buffer system, improve the stability of conduction oil temperature, make system works more steady.Surge tank top has gas discharge outlet, and for being emitted on heating process due to the conduction oil that excess Temperature gasifies, to oil, circulation produces harmful effect to the conduction oil of avoiding gasifying.
(6) system is equipped with repairing tank, by this structure, can supplement or reclaim conduction oil, guarantees the normal work of system or shuts down and safeguard.
(7) system has also adopted advanced temperature control equipment, be furnished with motor-driven valve and thermal resistance, for the situation such as superfluous for solar energy, solar energy lacks, crude oil is excessive, crude-oil shortage, conduction oil excess Temperature, conduction oil temperature are too low, system is made to suitable efficient processing mode, realize stable, the lasting heat supply of system.When the crude oil output of heat exchanger or the crude oil temperature of crude exports are when too high, can open or expand from the conduction oil output of solar energy heat collector directly to the pipeline of the conduction oil input of surge tank by motor-driven valve, reduce the high temperature heat conductive oil that enters heat exchanger, thereby reduce the temperature of output crude oil.When the conduction oil temperature of the conduction oil output of solar energy heat collector is too low, can open or expand from former oil-in to the pipeline of the crude oil input of water-bath chuck stove by motor-driven valve, utilize water-bath chuck stove to heat remaining crude oil, or close motor-driven valve, the crude oil that inputs or outputs heat exchanger is also heated by water-bath chuck stove.
From above disclosed technical scheme, the present invention compared with prior art tool has the following advantages:
Utilize concentrating solar to substitute conventional energy resource and carry out oil field heating exploitation, oil gas processing and accumulating heating, save mass energy consumption, reduce environmental pollution.Compare with non-spotlight mode solar energy, concentrating solar can produce higher heat-collecting temperature, by heat-conducting oil heating, for heating in crude oil, realizes the middle high temperature utilization of solar energy, improves the photo-thermal efficiency of whole system.The connected mode of concentrating solar thermal-arrest panel can adopt parallel connection or series connection or connection in series-parallel to be used in combination, and according to different needs and place, makes suitable adjustment.The mode that water-bath chuck stove in system and heat exchanger can adopt parallel connection or series connection or connection in series-parallel to be used in combination, guarantees that system can be stablized normal work under varying environment and operating mode.On selecting, heat exchanger can select efficient heat exchanger, and energy-saving and cost-reducing, improve industrial production economic benefit.System is also equipped with surge tank and repairing tank, makes system run all right, safe, efficient and energy-conservation.Simultaneously, system is also provided with temperature control system, the situations such as, solar energy superfluous for solar energy lacks, crude oil is excessive, crude-oil shortage, conduction oil excess Temperature, conduction oil temperature are too low, system is made to suitable efficient processing mode, realize stable, the lasting heat supply of system, the heating time of prolongation system, thereby the service efficiency of optimization whole system.
[accompanying drawing explanation]
Fig. 1 is the structural representation of concentrating solar thermal-arrest heating in crude oil system provided by the invention;
Fig. 1 a is the structural representation of the concrete enforcement of water-bath chuck stove and heat exchanger parallel connection in the present invention;
Fig. 1 b is the structural representation of the specific embodiment one of water-bath chuck stove and heat exchanger in series in the present invention;
Fig. 1 c is the structural representation of the specific embodiment two of water-bath chuck stove and heat exchanger in series in the present invention;
The structural representation of the concrete enforcement that in Fig. 1 d the present invention, water-bath chuck stove and heat exchanger connection in series-parallel are used in combination;
Being labeled as in accompanying drawing: 1: solar energy heat collector, 2, heat exchanger, 3: water-bath chuck stove, 4: surge tank, 5: repairing tank, 6: circulating pump, 7: slippage pump, 8: thermal resistance I, 9: thermal resistance II, 10: electric T-shaped valve I, 11: electric T-shaped valve II, 12: stop valve I, 13: stop valve II, 14: stop valve III, 15: stop valve IV, 16: stop valve V, 17: stop valve VI, 18: stop valve VII, 19: stop valve VIII, 20: former oil-in, 21: the crude oil input of water-bath chuck stove, 22: the crude oil output of water-bath chuck stove, 23: crude exports, 24: the crude oil input of heat exchanger, 25: the crude oil output of heat exchanger, 26: crude exports, 27: the conduction oil input of solar energy heat collector, 28: the conduction oil output of solar energy heat collector, 29: the conduction oil input of heat exchanger, 30: the conduction oil output of heat exchanger, 31: the conduction oil input of surge tank, 32: the conduction oil output of surge tank, 33: the gasification conduction oil output of surge tank, 34: the gasification conduction oil input of repairing tank, 35: the conduction oil input of repairing tank, 36: the conduction oil output of repairing tank, 37: electric T-shaped valve III, 38: electric T-shaped valve IV, 39: electric T-shaped valve V, 40: electric T-shaped valve VI, 41: electric T-shaped valve VII.
[specific embodiment]
The specific embodiment of a kind of concentrating solar thermal-arrest of the present invention heating in crude oil system is below provided.
A concentrating solar thermal-arrest heating in crude oil system, it comprises water-bath chuck stove, heat exchanger, surge tank, repairing tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, it is characterized in that, the interface I of former oil-in 20 and electric T-shaped valve I10 is connected by pipeline, the crude oil input 21 of water-bath chuck stove 3 is connected by pipeline with the interface II of electric T-shaped valve I10, the crude oil output 22 of water-bath chuck stove 3 is connected by pipeline with crude exports 23, the crude oil input 24 of heat exchanger 2 is connected by pipeline with the interface III of electric T-shaped valve I10, the crude oil output 25 of heat exchanger 2 is connected by pipeline with crude exports 26, the conduction oil input 29 of heat exchanger 2 is connected by pipeline with the interface I of electric T-shaped valve II11, the conduction oil output 30 of heat exchanger 2 is connected by pipeline with the conduction oil input 31 of surge tank 4, the conduction oil output 32 of surge tank 4 is connected by pipeline with the import of circulating pump 6, the gasification conduction oil output 33 of surge tank 4 and the gasification conduction oil input 34 of repairing tank 5 are connected by pipeline, the conduction oil input 35 of repairing tank 5 is connected by pipeline with the outlet of slippage pump 7, the conduction oil output 36 of repairing tank 5 is connected by pipeline with the import of circulating pump 6, the import of slippage pump 7 is connected by pipeline with the import of circulating pump 6, the conduction oil input 27 of the outlet of circulating pump 6 and solar energy heat collector 1 is connected by pipeline, the conduction oil output 28 of solar energy heat collector 1 is connected by pipeline with the interface II of electric T-shaped valve II11, the interface III of electric T-shaped valve II11 is connected by pipeline with the conduction oil input 31 of surge tank 4.
Adopt the operation principle of concentrating solar thermal-arrest heating in crude oil system: under normal solar radiation, stop valve IV15, stop valve VII18, stop valve VIII19 open, all the other stop valves are closed, electric T-shaped valve II11 opens conduction oil input 31, control system ON cycle pump 6, is transported to solar energy heat collector 1 by the conduction oil in system, by circulating-heating repeatedly, preheating conduction oil, makes it reach certain temperature.Conduction oil preheating in loop to be recycled is complete, open stop valve V16, stop valve VI17, electric T-shaped valve II11 opens conduction oil input 29, electric T-shaped valve I10 opens crude oil input 24, electric T-shaped valve II11 closes or dwindles conduction oil input 31, conduction oil and crude oil carry out heat exchange at heat exchanger 2 places, with heating in crude oil.Crude oil after heating is delivered to crude exports 26 through crude oil output 25.The low temperature conduction oil that leaves heat exchanger 2 enters surge tank 4, and again by circulating pump 6, is delivered to conduction oil input 27, and heats in solar energy heat collector 1, completes the circulation of heat-conducting oil heating crude system.
When thermal resistance I8 records the crude oil output temperature at crude exports 26 places when too high, electric T-shaped valve II11 opens or expansion conduction oil input 31, make high temperature heat conductive oil in part directly enter surge tank 4, reduce the flow of the middle high temperature heat conductive oil that enters heat exchanger 2, thereby make the output temperature of crude oil be tending towards normal.
When thermal resistance II9 records the conduction oil temperature at conduction oil output 28 places when too low, electric T-shaped valve I10 opens or expands crude oil input 21, reduces the oil flow that enters heat exchanger 2, makes crude oil can be heated to fully suitable temperature.Meanwhile, enter the crude oil of water-bath chuck stove 3 by crude oil input 21, use water-bath chuck stove 3 is transported to crude exports 23 outside heating also.Particularly at solar energy, reduce or do not have the thermal output that adds that also can guarantee crude oil night of solar energy, reached the requirement of 24 hours round-the-clock output crude oil.
When system pressure is too high or when unstable, open stop valve II14, the gasification conduction oil in surge tank 4 is discharged, by gasification conduction oil input 34, enter the interior cooling storage of repairing tank 5.
When the conduction oil in system lacks, can pass through opening stop valve II13, the conduction oil in repairing tank 5 is delivered to solar energy heat collector 1 through circulating pump 6.
When system need to be shut down maintenance and repair, close stop valve II13, stop valve III14, stop valve IV15, all the other are opened, and by slippage pump 7, the conduction oil in system are delivered to repairing tank 5.
In the present invention, the structural representation of the concrete enforcement of water-bath chuck stove and heat exchanger parallel connection is as shown in accompanying drawing 1a.Below in conjunction with Fig. 1 a, the present embodiment is described: water-bath chuck stove 3 and heat exchanger 2 use in parallel, can divide two-way to walk from the crude oil of former oil-in 20 inputs.One tunnel is to enter 3 heating of water-bath chuck stove from crude oil input 21, and is delivered to crude exports 23 from crude oil output 22; Another road is to enter heat exchanger 2 and conduction oil heat exchange from crude oil input 24, and is delivered to crude exports 26 from crude oil output 25.In running, can, according to the conduction oil temperature of conduction oil input 29, by electric T-shaped valve III37, regulate crude oil to enter the flow of crude oil input 21 and 24.
In the present invention, the structural representation of the specific embodiment one of water-bath chuck stove and heat exchanger in series is as shown in accompanying drawing 1b.Below in conjunction with Fig. 1 b, the present embodiment one is described: water-bath chuck stove 3 and heat exchanger 2 series connection are used, and from the crude oil of former oil-in 20 inputs, can divide two-way to walk.One tunnel is to enter 3 heating of water-bath chuck stove from crude oil input 21, then enters heat exchanger 2 and conduction oil heat exchange from crude oil input 24, and is delivered to crude exports 23 from crude oil output 25; Another road is directly from crude oil input 24, to enter heat exchanger 2 and conduction oil heat exchange without water-bath chuck stove 3, and is delivered to crude exports 23 from crude oil output 25.Can be according to the conduction oil temperature of conduction oil input 29 in running, by electric T-shaped valve IV38, regulate crude oil to enter crude oil input 21 and without water-bath chuck stove 3, directly enter the flow of crude oil input 24, guaranteeing that the crude oil temperature of crude exports 23 reaches outer defeated requirement.
In the present invention, the structural representation of the specific embodiment two of water-bath chuck stove and heat exchanger in series is as shown in accompanying drawing 1c.Below in conjunction with Fig. 1 c, the present embodiment two is described: water-bath chuck stove 3 and heat exchanger 2 series connection are used, and from the crude oil of former oil-in 20 inputs, can divide two-way to walk.One tunnel is to enter heat exchanger 2 and conduction oil heat exchange from crude oil input 24, then enters 3 heating of water-bath chuck stove from crude oil input 21, and is delivered to crude exports 23 from crude oil output 22; Another road is to enter heat exchanger 2 and conduction oil heat exchange from crude oil input 24, then without water-bath chuck stove 3, directly from crude oil output 25, is delivered to crude exports 23.In running, can, according to the crude oil temperature of crude oil output 25, carry out switch electric T-shaped valve V39.If the crude oil temperature of crude oil output 25 reaches outer defeated requirement, close crude oil input 21, open the pipeline that is directly delivered to crude exports 23; If the crude oil temperature of crude oil output 25 does not reach outer defeated requirement, close the pipeline that is directly delivered to crude exports 23, open crude oil input 21, and use water-bath chuck stove 3 that heating crude oil is extremely temperature required, then transport to crude exports 23 outward.
The structural representation of the concrete enforcement that in the present invention, water-bath chuck stove and heat exchanger connection in series-parallel are used in combination is as shown in accompanying drawing 1d.Below in conjunction with Fig. 1 d, the present embodiment is described: water-bath chuck stove 3 and heat exchanger 2 connection in series-parallel are used in combination, from crude oil Ke Fen tri-tunnels of former oil-in 20 inputs, walk.One tunnel is to enter 3 heating of water-bath chuck stove from crude oil input 21, and is delivered to crude exports 23 from crude oil output 22; Another road is to enter heat exchanger 2 and conduction oil heat exchange from crude oil input 24, then enters 3 heating of water-bath chuck stove from crude oil input 21, and is delivered to crude exports 23 from crude oil output 22; Last road is to enter heat exchanger 2 and conduction oil heat exchange from crude oil input 24, then directly from crude oil output 25, is delivered to crude exports 26.In running, can, according to the conduction oil temperature of conduction oil input 29, by electric T-shaped valve VI40, regulate crude oil to enter the flow of crude oil input 21 and 24.Conventionally under operation conditions, the crude oil of crude oil output 25 outputs is directly delivered to crude exports 26 without water-bath chuck stove 3.When system has little time regulate or exceed system equipment ability to bear, can, according to the crude oil temperature of crude oil output 25, carry out switch electric T-shaped valve VII41.If the crude oil temperature of crude oil output 25 reaches outer defeated requirement, directly crude oil is delivered to crude exports 26 from crude oil output 25; If the crude oil temperature of crude oil output 25 does not reach outer defeated requirement, crude oil is delivered to crude oil input 21 from crude oil output 25, use water-bath chuck stove 3 that heating crude oil is extremely temperature required, then transport to crude exports 23 outward.
Above-described is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (10)
1. a concentrating solar thermal-arrest heating in crude oil system, is characterized in that, it comprises water-bath chuck stove, heat exchanger, surge tank, repairing tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, the interface I of former oil-in and electric T-shaped valve I is connected by pipeline, the crude oil input of water-bath chuck stove is connected by pipeline with the interface II of electric T-shaped valve I, the crude oil output of water-bath chuck stove is connected by pipeline with crude exports, the crude oil input of heat exchanger is connected by pipeline with the interface III of electric T-shaped valve I, the crude oil output of heat exchanger is connected by pipeline with crude exports, the conduction oil input of heat exchanger is connected by pipeline with the interface I of electric T-shaped valve II, the conduction oil output of heat exchanger and the conduction oil input of surge tank are connected by pipeline, the conduction oil output of surge tank and the import of circulating pump are connected by pipeline, the gasification conduction oil output of surge tank and the gasification conduction oil input of repairing tank are connected by pipeline, the conduction oil input of repairing tank is connected by pipeline with repairing delivery side of pump, the conduction oil output of repairing tank and the import of circulating pump are connected by pipeline, the import of slippage pump is connected by pipeline with the import of circulating pump, the conduction oil input of circulation delivery side of pump and solar energy heat collector is connected by pipeline, the conduction oil output of solar energy heat collector is connected by pipeline with the interface II of electric T-shaped valve II, the interface III of electric T-shaped valve II and the conduction oil input of surge tank are connected by pipeline.
2. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, the conduction oil of described repairing tank is transported to concentrating solar heat collector by circulating pump and carries out preheating or heating.
3. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, described water-bath chuck stove uses burning or electrically heated mode that heat is provided, and crude oil is heated; Water-bath chuck stove is provided with crude oil input, crude oil output; Water-bath chuck stove is used in combination by pipeline and heat exchanger in series or in parallel or connection in series-parallel.
4. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 3, it is characterized in that, when described water-bath chuck stove is in parallel with heat exchanger, the crude oil input of water-bath chuck stove is connected respectively former oil-in and crude exports with crude oil output by pipeline;
When described water-bath chuck stove and heat exchanger in series, the crude oil input of water-bath chuck stove is connected respectively the crude oil input of former oil-in and heat exchanger by pipeline with crude oil output, or the crude oil input of water-bath chuck stove is connected respectively crude oil output and the crude exports of heat exchanger by pipeline with crude oil output;
When described water-bath chuck stove and heat exchanger connection in series-parallel are used in combination, the crude oil input of a water-bath chuck stove is connected respectively former oil-in and crude exports with crude oil output by pipeline, the crude oil input of another water-bath chuck stove is connected respectively the crude oil input of former oil-in and heat exchanger by pipeline with crude oil output, or the crude oil input of another water-bath chuck stove is connected respectively crude oil output and the crude exports of heat exchanger by pipeline with crude oil output.
5. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, described heat exchanger uses common heat exchangers or efficient heat exchanger, for the heat exchange between conduction oil and crude oil; Heat exchanger is provided with conduction oil input, conduction oil output, crude oil input, crude oil output; The conduction oil input of heat exchanger connects the conduction oil output of solar energy heat collector by pipeline; The conduction oil output of heat exchanger connects the conduction oil input of surge tank by pipeline; The crude oil input of heat exchanger connects the crude oil output of former oil-in or water-bath chuck stove by pipeline; The crude oil output of heat exchanger connects the crude oil input of crude exports or water-bath chuck stove by pipeline.
6. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, described surge tank is used diaphragm type or gasbag-type surge tank; Surge tank is provided with conduction oil input, conduction oil output, gasification conduction oil output; The conduction oil input of surge tank connects respectively the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector by pipeline; The conduction oil output of surge tank connects respectively the conduction oil input of solar energy heat collector and the conduction oil input of repairing tank by pipeline; The gasification conduction oil output of surge tank connects the gasification conduction oil input of repairing tank by pipeline.
7. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, described repairing tank is for the conduction oil of supplementary or storage system, and collection is from the gasification conduction oil of surge tank; Repairing tank is provided with conduction oil input, conduction oil output, gasification conduction oil input; The conduction oil input of repairing tank connects the conduction oil output of surge tank by pipeline; The conduction oil output of repairing tank connects the conduction oil input of solar energy heat collector by pipeline; The gasification conduction oil input of repairing tank connects the gasification conduction oil output of surge tank by pipeline.
8. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, it is characterized in that, described solar energy heat collector is concentrating solar collector, by polylith solar collector panel, be formed by connecting, for the conduction oil of water back, heat collector is used groove type heat collector or tower-type heat collector or Fresnel heat collector or dish formula heat collector; Solar energy heat collector is provided with conduction oil input, conduction oil output; The conduction oil input of solar energy heat collector connects respectively the conduction oil output of repairing tank and the conduction oil output of surge tank by pipeline; The conduction oil output of solar energy heat collector connects respectively the conduction oil input of heat exchanger and the conduction oil input of surge tank by pipeline.
9. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 8, it is characterized in that, described concentrating solar thermal-arrest heating in crude oil system belongs to forced circulation system, and the connection between concentrating solar thermal-arrest panel adopts parallel connection or series connection or connection in series-parallel to be used in combination;
When described concentrating solar thermal-arrest panel is in parallel, the conduction oil input of the heat conductive oil inlet of a plurality of thermal-arrest panels and solar energy heat collector is connected, and the conduction oil outlet of a plurality of thermal-arrest panels is connected with the conduction oil output of solar energy heat collector;
When described concentrating solar thermal-arrest panel is connected, the conduction oil input of the heat conductive oil inlet of first thermal-arrest panel and solar energy heat collector is connected, the conduction oil outlet of thermal-arrest panel is connected with the heat conductive oil inlet of next thermal-arrest panel, and the conduction oil outlet of last thermal-arrest panel is connected with the conduction oil output of solar energy heat collector;
When described concentrating solar heat collector surface plate serioparallel is used in combination, first a plurality of thermal-arrest panels are in parallel or be connected into one group, then will organize thermal-arrest panel more and be together in series or parallel.
10. a kind of concentrating solar thermal-arrest heating in crude oil system as claimed in claim 1, is characterized in that, described temperature control equipment, and the temperature of use thermal resistance collection pipeline, is used motor-driven valve to control the flow of each pipeline; Described temperature control equipment is provided with thermal resistance I, thermal resistance II and electric T-shaped valve I, electric T-shaped valve II; Thermal resistance I is arranged on the crude oil output and the pipeline between crude exports of heat exchanger, and connects electric T-shaped valve II by lead-in wire; Thermal resistance II is arranged on the conduction oil output and the pipeline between electric T-shaped valve II of solar energy heat collector, and connects electric T-shaped valve I by lead-in wire.
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