CN103913001B - A kind of concentrating solar thermal-arrest heating in crude oil system of integrated heat storage function - Google Patents
A kind of concentrating solar thermal-arrest heating in crude oil system of integrated heat storage function Download PDFInfo
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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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
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Abstract
The present invention relates to a kind of concentrating solar thermal-arrest heating in crude oil system of integrated heat storage function, crude oil is heated by water-bath jacket furnace and heat exchanger, the connected mode of water-bath jacket furnace and heat exchanger can adopt parallel connection or series connection or connection in series-parallel to combinationally use, heat exchanger connects solar energy heat collector respectively, surge tank and heat storage can, surge tank connects heat exchanger respectively, circulating pump and high-order oil storage tank, solar energy heat collector connects circulating pump respectively, heat exchanger and surge tank, heat storage can connects heat exchanger respectively, surge tank and low level oil storage tank, low level oil storage tank connects heat storage can and high-order oil storage tank respectively, high-order oil storage tank connects low level oil storage tank respectively, circulating pump and surge tank.Advantage of the present invention: concentrating solar can produce higher heat-collecting temperature, by heat-conducting oil heating, for heating in crude oil, integrated heat storage function simultaneously, realizes high temperature in solar energy and utilizes, improve the photo-thermal efficiency of whole system.
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 of integrated heat storage function.
[background technology]
Crude oil in China freezing point is general higher, and viscosity is large, and normal temperature current downflow is poor, therefore all must heat crude oil in crude oil production, process and storage and transport process.Oil recovery in oil field, collect in the process such as defeated and have the energy consumption of about 20% at least for the heating of crude oil and process, 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 there is no small potential safety hazard.
For solving the problem, finding energy-conservation, clean mode of heating and replacing conventional oil field exploitation, collect defeated mode and become study hotspot in recent years.The patent that publication number is the patent of CN1654879, publication number is CN1670422 respectively discloses a kind of solar energy indirect induction system comprising solar energy heat collector, water storage box, crude oil/water heat exchanger and heating furnace, utilizes solar energy part to replace conventional energy resource heated transportation crude oil; Publication number be CN1254053 patent discloses a kind of technology 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 only make use of non-spotlight mode solar thermal collector on solar energy heat collector, and heat-collecting temperature is lower, belong to the low temperature photothermal technique of solar energy, be difficult to the medium and high temperature heat in satisfied industry.Heat transfer medium water is heated to about 80 DEG C by non-spotlight mode solar energy heating crude oil transportation system usually, and utilize the sensible heat of water to carry out heating in crude oil, the thermal efficiency of whole system is lower, and solar energy utilization ratio is not high.Wider heat storage type is in the past mostly utilize the sensible heat of heat storage medium variations in temperature to carry out store heat (as hot water storage tank etc.), there is the shortcomings such as floor space is large, heat storage capacity is low, the accumulation of heat temperature difference is large.And not superfluous for solar energy, solar energy lacks, crude oil is excessive, crude-oil shortage, conduction oil temperature are too high, conduction oil temperature is too low etc., and situation is made the configuration of reasonable efficient system and controls.
[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 of integrated heat storage function 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 for integrated heat storage function, it comprises water-bath jacket furnace, heat exchanger, surge tank, heat storage can, low level oil storage tank, high-order oil storage tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, it is characterized in that, crude oil entrance is connected by pipeline with the interface I of motor-driven valve I, the crude oil input of water-bath jacket furnace is connected by pipeline with the interface II of motor-driven valve I, the crude oil output of water-bath jacket furnace is connected by pipeline with crude exports, the crude oil input of heat exchanger is connected by pipeline with the interface III of motor-driven 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 motor-driven valve II, the conduction oil output of heat exchanger is connected by pipeline with the interface I of motor-driven valve III, the interface II of motor-driven valve III is connected by pipeline with the conduction oil input of surge tank, the conduction oil output of surge tank is connected by pipeline with the import of circulating pump, the gasification conduction oil output of surge tank is connected by pipeline with the gasification conduction oil input of high-order oil storage tank, the conduction oil input of high-order oil storage tank is connected by pipeline with repairing delivery side of pump, the conduction oil output of high-order oil storage tank is connected by pipeline with the import of circulating pump, the high-order oil spilling mouth of oil storage tank is connected by pipeline with the spilling conduction oil input of low level oil storage tank, the high-order oil drain out of oil storage tank is connected by pipeline with the spilling conduction oil input of low level oil storage tank, the import of slippage pump is connected by pipeline with the conduction oil output of low level oil storage tank, the conduction oil input of heat storage can is connected by pipeline with the interface III of motor-driven valve III, the conduction oil output of heat storage can is connected by pipeline with the import of circulating pump, the conduction oil floss hole of heat storage can is connected by pipeline with the conduction oil input of low level oil storage tank, circulation delivery side of pump is connected by pipeline with the conduction oil input of solar energy heat collector, the conduction oil output of solar energy heat collector is connected by pipeline with the interface II of motor-driven valve II, the interface III of motor-driven valve II is connected by pipeline with the interface I of motor-driven valve III.
Conduction oil in described high-order oil storage tank is transported to concentrating solar heat collector by circulating pump and carries out preheating or heating, and the conduction oil reaching uniform temperature carries out heat exchange with heating in crude oil by heat exchanger and crude oil; Meanwhile, by the temperature of thermal resistance monitoring pipeline, utilize motor-driven valve to control switch and the flow of each pipeline, adjust switch and the flow of pipeline in good time; The too high conduction oil of unnecessary or temperature directly enters surge tank or heat storage can without heat exchanger, avoids heating crude oil temperature too high; Unnecessary middle high temperature heat conductive oil enters heat storage can and is stored by heat, when even not having for solar energy heating is inadequate; It is outer defeated that unnecessary crude oil enters the heating of water-bath jacket furnace, the crude oil temperature through heat exchanger heats is too low can be heated further by water-bath jacket furnace outer defeated.
Described water-bath jacket furnace can use burning or electrically heated mode to provide heat, heats crude oil; Described water-bath jacket furnace is provided with crude oil input, crude oil output; Described water-bath jacket furnace is in parallel or connect or connection in series-parallel combinationally uses by pipeline and heat exchanger, ensures the temperature constant of crude oil output under varying environment or operating mode situation; When described water-bath jacket furnace is in parallel with heat exchanger, the crude oil input of water-bath jacket furnace is connected crude oil entrance and crude exports with crude oil output respectively by pipeline; When described water-bath jacket furnace and heat exchanger in series, the crude oil input of water-bath jacket furnace and crude oil output are connected the crude oil input of crude oil entrance and heat exchanger respectively by pipeline, or the crude oil input of water-bath jacket furnace and crude oil output are connected crude oil output and the crude exports of heat exchanger respectively by pipeline; When described water-bath jacket furnace and heat exchanger connection in series-parallel combinationally use, the crude oil input of a water-bath jacket furnace is connected crude oil entrance and crude exports with crude oil output respectively by pipeline, the crude oil input of another water-bath jacket furnace and crude oil output are connected the crude oil input of crude oil entrance and heat exchanger respectively by pipeline, or the crude oil input of another water-bath jacket furnace and crude oil output are connected crude oil output and the crude exports of heat exchanger respectively by pipeline.
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 and the conduction oil input of heat storage can respectively by pipeline; The crude oil input of described heat exchanger connects the crude oil output of crude oil entrance or water-bath jacket furnace by pipeline; The crude oil output of described heat exchanger connects the crude oil input of crude exports or water-bath jacket furnace by pipeline.
Described surge tank can use 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 the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector respectively by pipeline.The conduction oil output of described surge tank connects the conduction oil input of solar energy heat collector by pipeline; The gasification conduction oil output of described surge tank connects the gasification conduction oil input of high-order oil storage tank by pipeline.
Described heat storage can store unnecessary middle high temperature heat conductive oil, and when solar energy heating deficiency does not even have for heating in crude oil; Described heat storage can is provided with conduction oil input, conduction oil output, conduction oil floss hole; The conduction oil input of described heat storage can connects the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector respectively by pipeline; The conduction oil output of described heat storage can connects the conduction oil input of solar energy heat collector by pipeline; The conduction oil floss hole of described heat storage can connects the conduction oil input of low level oil storage tank by pipeline.
Conduction oil in low level oil storage tank for storing the unnecessary conduction oil or low temperature conduction oil that emit from heat storage can, and is transported to high-order oil storage tank by slippage pump by described low level oil storage tank; Described low level oil storage tank is provided with conduction oil input, conduction oil output, overflows conduction oil input; The conduction oil input of described low level oil storage tank connects the conduction oil floss hole of heat storage can by pipeline; The conduction oil output of described low level oil storage tank connects the conduction oil input of high-order oil storage tank by pipeline; The spilling conduction oil input of described low level oil storage tank connects oil spilling mouth and the oil drain out of high-order oil storage tank respectively by pipeline.
Described high-order oil storage tank is for storing the gasification conduction oil carrying the conduction oil come up to emit from surge tank with collection from low level oil storage tank, and conduction oil can be transported to solar energy heat collector from the conduction oil output of high-order oil storage tank, unnecessary conduction oil can be discharged into low level oil storage tank from oil spilling mouth and oil drain out; Described high-order oil storage tank is provided with conduction oil input, conduction oil output, oil spilling mouth, oil drain out, gasification conduction oil input; The conduction oil input of described high-order oil storage tank connects the conduction oil output of low level oil storage tank by pipeline; The conduction oil output of described high-order oil storage tank connects the conduction oil input of solar energy heat collector by pipeline; The oil spilling mouth of described high-order oil storage tank and oil drain out are connected the spilling conduction oil input of low level oil storage tank by pipeline; The gasification conduction oil input of described high-order oil storage tank connects the gasification conduction oil output of surge tank by pipeline.
Described solar energy heat collector is concentrating solar collector, is formed by connecting by polylith solar collector panel, and for the conduction oil in water back, heat collector can use groove type heat collector or tower-type heat collector or Fresnel heat collector or dish-style 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 the conduction oil output of high-order oil storage tank and the conduction oil output of surge tank respectively by pipeline; The conduction oil output of described solar energy heat collector connects the conduction oil input of heat exchanger and the conduction oil input of surge tank respectively by pipeline.Described concentrating solar thermal-arrest heating in crude oil system belongs to forced circulation system, and the connection therefore between concentrating solar thermal-arrest panel can adopt parallel connection or series connection or connection in series-parallel to combinationally use; When described concentrating solar thermal-arrest panel is in parallel, the heat conductive oil inlet of multiple thermal-arrest panel is connected with the conduction oil input of solar energy heat collector, and the conduction oil outlet of multiple thermal-arrest panel is connected with the conduction oil output of solar energy heat collector; When described concentrating solar thermal-arrest panel is connected, the heat conductive oil inlet of first thermal-arrest panel is connected with the conduction oil input of solar energy heat collector, 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 combinationally uses, first multiple thermal-arrest panel is in parallel or be connected into one group, then it is in parallel or be together in series to organize thermal-arrest panel more;
Described temperature control equipment uses the temperature of thermal resistance collection pipeline, uses motor-driven valve to control the flow of each pipeline, to reach the object that oily circulating temperature controls, ensures the work well of system under varying environment and operating mode; Described temperature control equipment is provided with thermal resistance I, thermal resistance II, thermal resistance III, motor-driven valve I, motor-driven valve II, motor-driven valve III; Described thermal resistance I is arranged on the pipeline between the crude oil output of heat exchanger and crude exports, and connects motor-driven valve II by lead-in wire; Described thermal resistance II is arranged on the pipeline between the conduction oil output of solar energy heat collector and motor-driven valve II, and connects motor-driven valve I by lead-in wire; On pipeline between the conduction oil output that described thermal resistance III is arranged on motor-driven valve III and heat exchanger, and connect motor-driven valve III 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 input of surge tank, or the conduction oil temperature of the conduction oil output of solar energy heat collector, or the crude oil temperature of crude exports, and be connected to corresponding motor-driven valve by lead-in wire; Described motor-driven valve is used for controlling, from solar energy heat collector to heat exchanger and the conduction oil flow of surge tank, or from heat exchanger and solar energy heat collector to the conduction oil flow of surge tank and heat storage can, or from crude oil entrance to the oil flow of water-bath jacket furnace and heat exchanger.
Concentrating solar thermal-arrest heating in crude oil system of the present invention and heat reservoir thereof have following features:
(1) employ large-area concentrating solar thermal-arrest dash receiver, effectively improve solar energy density by concentrator reflection, focusing sunlight, the middle high temperature realizing solar energy utilizes.
(2) principle of whole system is: the conduction oil of high-order oil storage tank is transported to concentrating solar heat collector by circulating pump and carries out preheating or heating, and the conduction oil reaching uniform temperature carries out heat exchange with heating in crude oil by heat exchanger and crude oil; Meanwhile, by the temperature of thermal resistance monitoring pipeline, utilize motor-driven valve to control switch and the flow of each pipeline, adjust switch and the flow of pipeline in good time; The too high conduction oil of unnecessary or temperature directly enters surge tank or heat storage can without heat exchanger, avoids heating crude oil temperature too high; Unnecessary middle high temperature heat conductive oil enters heat storage can and is stored by heat, when even not having for solar energy heating is inadequate; It is outer defeated that unnecessary crude oil enters the heating of water-bath jacket furnace, the crude oil temperature through heat exchanger heats is too low can be heated further by water-bath jacket furnace outer defeated; The mode that water-bath jacket furnace and heat exchanger can adopt parallel connection or series connection or connection in series-parallel to combinationally use, guarantees that system can stablize normal work under varying environment and operating mode, ensures that the crude oil of 24 hours exports; When conduction oil lacks in system, supplement conduction oil by high-order oil storage tank; When heat storage can oil storage is too much or temperature is too low, the conduction oil in heat storage can be delivered to low level oil storage tank; When oil storage is very few in high-order oil storage tank, by slippage pump, the conduction oil in low level oil storage tank is delivered to high-order oil storage tank; When oil storage is too much in high-order oil storage tank, by oil spilling mouth or oil drain out, unnecessary conduction oil is recycled to low level oil storage tank.
(3) large-area concentrating solar heat collector is equipped with tracking system.For making the concentrator moment can both gather sunshine in maximum efficiency, making thermal-collecting tube play maximum effect and collecting maximum solar energy, requiring that concentrator keeps a best angle all the time with the sun.The connected mode of concentrating solar thermal-arrest panel can adopt parallel connection or series connection or connection in series-parallel to combinationally use.For the restriction of different operation demand or fabricating yard, different connected modes can be adopted, reasonably connect the operational efficiency that effectively can improve system, reduce corresponding energy consumption, reduce manufacturing cost.
(4) heat transferring medium in heat exchanger is conduction oil and crude oil.Common heat exchangers or efficient heat exchanger can be selected according to actual needs, on the basis reduced costs, promote heat conduction reinforced, improve the heat transfer efficiency between conduction oil and crude oil, increase by the crude output heated and the object reducing the optimization system structures such as solar energy heat collector collection area to reach.
(5) be provided with a surge tank in system oil circulation route, diaphragm type or gasbag-type surge tank can be used, 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, for being emitted on the conduction oil of the gasification because temperature is too high in heating process, avoids gasification conduction oil to produce harmful effect to oil circulation.
(6) system is equipped with heat storage can, heat unnecessary for system can be stored by this structure, extends the heating time of system, the solar energy that more efficient utilization gathers.The conduction oil input of heat storage can and surge tank is provided with a motor-driven valve, for controlling the conduction oil flow entering heat storage can and surge tank.When thermal resistance monitoring finds that the conduction oil temperature of the conduction oil output of heat exchanger is too high, the middle high temperature heat conductive oil flow entering heat storage can be increased, waste heat is stored.When the heat that solar energy heat collector can be collected is too low even do not have time, open the motor-driven valve of the conduction oil output of heat storage can, make the middle high temperature heat conductive oil of storage enter heat exchanger, for heating crude oil.
(7) system is provided with two oil storage tanks, and one is positioned at low level, and one is positioned at a high position.Low level oil storage tank for receiving the low temperature conduction oil exported from the conduction oil floss hole of heat storage can, thus can avoid the low temperature conduction oil in heat storage can to enter solar energy heat collector, reduces the efficiency of system.The conduction oil exported from oil spilling mouth and the oil drain out of high-order oil storage tank can also be received simultaneously, control the oil level height of high-order oil storage tank, so that high-order oil storage tank can receive the gasification conduction oil from surge tank smoothly, the oily cycle performance of system is made to keep stability and high efficiency.When high-order oil storage tank oil mass very little time, by slippage pump, the conduction oil of low level oil storage tank is transported to high-order oil storage tank.High-order oil storage tank is arranged on a high position, can utilize gravity that conduction oil is delivered to solar energy heat collector, reduces the energy consumption of circulating pump, plays energy-conserving action.
(8) system additionally uses 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 temperature are too high, conduction oil temperature is too low, suitable efficient processing mode is made to system, realizes stable, the lasting heat supply of system.When the crude oil output of heat exchanger or the crude oil temperature of crude exports too high time, open by motor-driven valve or expand from the conduction oil output of solar energy heat collector directly to the pipeline of the conduction oil input of surge tank, reduce the high temperature heat conductive oil entering heat exchanger, thus reduce the temperature exporting crude oil.When the conduction oil temperature of the conduction oil output of solar energy heat collector is too low, open or expand the pipeline of the crude oil input from crude oil entrance to water-bath jacket furnace by motor-driven valve, water-bath jacket furnace is utilized to heat remaining crude oil, or closedown motor-driven valve, the crude oil inputing or outputing heat exchanger is also heated by water-bath jacket furnace.In addition, this temperature control equipment controls the operation of heat reservoir, is beneficial to system 24 hours continual heating crude oil outer defeated.
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 vapor treatment and accumulating heating, save mass energy consumption, reduce environmental pollution.Compared with non-spotlight mode solar energy, concentrating solar can produce higher heat-collecting temperature, and by heat-conducting oil heating, for heating in crude oil, the middle high temperature realizing solar energy utilizes, and 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 combinationally use, and makes suitable adjustment according to different needs and place.Efficient heat exchanger is used on heat exchanger is selected, energy-saving and cost-reducing, improve industrial benefit.System is integrated heat storage function also, is equipped with surge tank, heat storage can and high-low-position oil storage tank, makes system run all right, safe, efficient and energy-conservation.Simultaneously, the temperature that system uses controls and heat storage function, can, the situation such as solar energy lack, crude oil excessive, crude-oil shortage, conduction oil temperature too high, conduction oil temperature too low superfluous for solar energy, suitable efficient processing mode is made to system, realize system high efficiency, stable, lasting heat supply, make system 24 hours continual by outer for heating crude oil defeated, thus optimize the service efficiency of 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 and heat reservoir thereof;
Fig. 1 a is the structural representation of the concrete enforcement of water-bath jacket furnace and heat exchanger parallel connection in the present invention;
Fig. 1 b is the structural representation of the specific embodiment one of water-bath jacket furnace and heat exchanger in series in the present invention;
Fig. 1 c is the structural representation of the specific embodiment two of water-bath jacket furnace and heat exchanger in series in the present invention;
The structural representation of the concrete enforcement that water-bath jacket furnace and heat exchanger connection in series-parallel combinationally use in Fig. 1 d the present invention;
Being labeled as in accompanying drawing: 1: solar energy heat collector, 2, heat exchanger, 3: water-bath jacket furnace, 4: surge tank, 5: heat storage can, 6: low level oil storage tank, 7: high-order oil storage tank, 8: circulating pump, 9: slippage pump, 10: thermal resistance I, 11: thermal resistance II, 12: thermal resistance III, 13: motor-driven valve I, 14: motor-driven valve II, 15: motor-driven valve III, 16: motor-driven valve IV, 17: motor-driven valve V, 18: motor-driven valve VI, 19: motor-driven valve VII, 20: stop valve I, 21: stop valve II, 22: stop valve III, 23: stop valve IV, 24: stop valve V, 25: stop valve VI, 26: stop valve VII, 27: stop valve VIII, 28: crude oil entrance, 29: the crude oil input of water-bath jacket furnace, 30: the crude oil output of water-bath jacket furnace, 31: crude exports, 32: the crude oil input of heat exchanger, 33: the crude oil output of heat exchanger, 34: crude exports, 35: the conduction oil input of solar energy heat collector, 36: the conduction oil output of solar energy heat collector, 37: the conduction oil input of heat exchanger, 38: the conduction oil output of heat exchanger, 39: the conduction oil input of surge tank, 40: the conduction oil output of surge tank, 41: the gasification conduction oil output of surge tank, 42: the conduction oil input of heat storage can, 43: the conduction oil output of heat storage can, 44: the conduction oil floss hole of heat storage can, 45: the conduction oil input of low level oil storage tank, 46: the conduction oil output of low level oil storage tank, 47: the spilling conduction oil input of low level oil storage tank, 48: the conduction oil input of high-order oil storage tank, 49: the conduction oil output of high-order oil storage tank, 50: the gasification conduction oil input of high-order oil storage tank, 51: the oil spilling mouth of high-order oil storage tank, 52: the oil drain out of high-order oil storage tank, 53: motor-driven valve VIII, 54: motor-driven valve IX, 55: motor-driven valve X, 56: motor-driven valve XI, 57: motor-driven valve XII.
[detailed description of the invention]
The detailed description of the invention of the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function of the present invention is below provided.
Embodiment 1
A concentrating solar thermal-arrest heating in crude oil system for integrated heat storage function, it comprises water-bath jacket furnace, heat exchanger, surge tank, heat storage can, low level oil storage tank, high-order oil storage tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, it is characterized in that, crude oil entrance 28 is connected by pipeline with the interface I of motor-driven valve I13, the crude oil input 29 of water-bath jacket furnace 3 is connected by pipeline with the interface II of motor-driven valve I13, the crude oil output 30 of water-bath jacket furnace 3 is connected by pipeline with crude exports 31, the crude oil input 32 of heat exchanger 2 is connected by pipeline with the interface III of motor-driven valve I13, the crude oil output 33 of heat exchanger 2 is connected by pipeline with crude exports 34, the conduction oil input 37 of heat exchanger 2 is connected by pipeline with the interface I of motor-driven valve II14, the conduction oil output 38 of heat exchanger 2 is connected by pipeline with the interface I of motor-driven valve III15, the interface II of motor-driven valve III15 is connected by pipeline with the conduction oil input 39 of surge tank 4, the conduction oil output 40 of surge tank 4 is connected by pipeline with the import of circulating pump 8, the gasification conduction oil output 41 of surge tank 4 is connected by pipeline with the gasification conduction oil input 50 of high-order oil storage tank 7, the conduction oil input 48 of high-order oil storage tank 7 is connected by pipeline with the outlet of slippage pump 9, the conduction oil output 49 of high-order oil storage tank 7 is connected by pipeline with the import of circulating pump 8, the high-order oil spilling mouth 51 of oil storage tank 7 is connected by pipeline with the spilling conduction oil input 47 of low level oil storage tank 6, the high-order oil drain out 52 of oil storage tank 7 is connected by pipeline with the spilling conduction oil input 47 of low level oil storage tank 6, the import of slippage pump 9 is connected by pipeline with the conduction oil output 46 of low level oil storage tank 6, the conduction oil input 42 of heat storage can 5 is connected by pipeline with the interface III of motor-driven valve III15, the conduction oil output 43 of heat storage can 5 is connected by pipeline with the import of circulating pump 8, the conduction oil floss hole 44 of heat storage can 5 is connected by pipeline with the conduction oil input 45 of low level oil storage tank 6, the outlet of circulating pump 8 is connected by pipeline with the conduction oil input 35 of solar energy heat collector 1, the conduction oil output 36 of solar energy heat collector 1 is connected by pipeline with the interface II of motor-driven valve II14, the interface III of motor-driven valve II14 is connected by pipeline with the interface I of motor-driven valve III15.
Below in conjunction with technological process Fig. 1 of the present invention, illustrate that the present invention adopts the operation principle of the concentrating solar thermal-arrest heating in crude oil system of integrated heat storage function: under normal solar radiation, stop valve II21, stop valve VI25, stop valve VIII27 open, and all the other motor-driven valves and stop valve are closed, open motor-driven valve IV16, control system ON cycle pump 8, is transported to solar energy heat collector 1 by the conduction oil in high-order oil storage tank 7, preheating conduction oil.Conduction oil temperature in loop to be recycled tends towards stability and reaches design temperature, opening stop valve IV23, stop valve V24, motor-driven valve II14 opens conduction oil input 37, motor-driven valve I13 opens crude oil input 32, motor-driven valve II14 closes or reduces conduction oil input 39, and conduction oil and crude oil carry out heat exchange, with heating in crude oil at heat exchanger 2 place.Crude oil after heating is delivered to crude exports 34 through crude oil output 33.The low temperature conduction oil leaving heat exchanger 2 enters surge tank 4, and is again delivered to conduction oil input 35 by circulating pump 8, and heats in solar energy heat collector 1, completes the circulation of heat-conducting oil heating crude system.
When the crude oil temperature that thermal resistance I10 records crude exports 34 place is too high, motor-driven valve II14 opens or expands conduction oil input 39, high temperature heat conductive oil in part is made directly to enter surge tank 4 or heat storage can 5 without heat exchanger 2, the heat of minimizing and crude oil heat exchange, thus make the crude oil temperature of output be tending towards normal.
When the conduction oil temperature that thermal resistance II11 records conduction oil output 36 place is too low, motor-driven valve I13 opens or expands crude oil input 29, reduces the oil flow entering heat exchanger 2, makes crude oil can be heated to suitable temperature outer defeated.Meanwhile, enter the crude oil of water-bath jacket furnace 3, water-bath jacket furnace 3 can be used to heat.Particularly add thermal output what there is no also can to ensure the night of solar energy crude oil, reach the requirement of 24 hours round-the-clock output crude oil.
The conduction oil temperature recording conduction oil input 39 place as thermal resistance III12 is too high, when having unnecessary heat to can be used for storing, open stop valve III22, motor-driven valve III15 opens or expands conduction oil input 42, high temperature heat conductive oil in unnecessary is delivered to heat storage can 5 and stores.When solar energy lacks, motor-driven valve VI18 opens, and the middle high temperature heat conductive oil in heat storage can 5 is delivered to solar energy heat collector 1 by circulating pump 8, then is delivered to heat exchanger 2, carrys out heating in crude oil to provide enough heats.When there is no solar energy, stop valve VII26 can be opened, closing stop valve VI25, stop valve VIII27, directly middle high temperature heat conductive oil being delivered to heat exchanger 2, for heating in crude oil.When the conduction oil memory space in heat storage can 5 is too much or conduction oil temperature is too low, opens motor-driven valve VII19, by conduction oil floss hole 44, conduction oil is delivered to low level oil storage tank 6.
When system pressure too high or unstable time, open motor-driven valve V17, the gasification conduction oil in surge tank 4 discharged, enter cooling in high-order oil storage tank 7 by gasification conduction oil input 50 and store.
When the oil mass stored in high-order oil storage tank 7 is too much, when conduction oil liquid level arrives oil spilling mouth 51, unnecessary conduction oil automatically will be flow to by oil spilling mouth 51 and overflow conduction oil input 47, enters low level oil storage tank 6.When the oil mass stored in high-order oil storage tank 7 is too much, the gasification conduction oil entered from gasification conduction oil input 50 does not have enough spaces to store and liquefaction, then need the oil drain out 52 opening high-order oil storage tank 7, too much conduction oil is disposed to low level oil storage tank 6.When the oil mass that high-order oil storage tank 7 stores is very few, opens slippage pump 9, the conduction oil in low level oil storage tank is delivered to high-order oil storage tank 7, can for systemic circulation.
In the present invention, the structural representation of the concrete enforcement of water-bath jacket furnace and heat exchanger parallel connection as shown in fig. la.Below in conjunction with Fig. 1 a, the present embodiment is described: water-bath jacket furnace 3 and heat exchanger 2 parallel connection use, and the crude oil inputted from crude oil entrance 28 can divide two-way to walk.One tunnel enters water-bath jacket furnace 3 from crude oil input 29 to heat, and be delivered to crude exports 31 from crude oil output 30; Another road enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32, and be delivered to crude exports 34 from crude oil output 33.Can, according to the conduction oil temperature of conduction oil input 37, crude oil be regulated to enter the flow of crude oil input 29 and 32 by motor-driven valve VIII53 in running.
In the present invention, the structural representation of the specific embodiment one of water-bath jacket furnace and heat exchanger in series as shown in figure ib.Below in conjunction with Fig. 1 b, the present embodiment one is described: water-bath jacket furnace 3 and heat exchanger 2 are connected and used, and the crude oil inputted from crude oil entrance 28 can divide two-way to walk.One tunnel enters water-bath jacket furnace 3 from crude oil input 29 to heat, then enter heat exchanger 2 and conduction oil heat exchange from crude oil input 32, and be delivered to crude exports 31 from crude oil output 33; Another road directly enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32 without water-bath jacket furnace 3, and be delivered to crude exports 31 from crude oil output 33.Can according to the conduction oil temperature of conduction oil input 37 in running, regulate crude oil to enter crude oil input 29 by motor-driven valve IX54 and directly enter the flow of crude oil input 32 without water-bath jacket furnace 3, guaranteeing that the crude oil temperature of crude exports 31 reaches outer defeated requirement.
In the present invention, the structural representation of the specific embodiment two of water-bath jacket furnace and heat exchanger in series as shown in figure ic.Below in conjunction with Fig. 1 c, the present embodiment two is described: water-bath jacket furnace 3 and heat exchanger 2 are connected and used, and the crude oil inputted from crude oil entrance 28 can divide two-way to walk.One tunnel enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32, then enter water-bath jacket furnace 3 from crude oil input 29 and heat, and be delivered to crude exports 31 from crude oil output 30; Another road enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32, is then directly delivered to crude exports 31 from crude oil output 33 without water-bath jacket furnace 3.According to the crude oil temperature of crude oil output 33, switch on/off electric valve X55 can be carried out in running.If the crude oil temperature of crude oil output 33 reaches outer defeated requirement, then close crude oil input 29, open the pipeline being directly delivered to crude exports 31; If the crude oil temperature of crude oil output 33 does not reach outer defeated requirement, then close the pipeline being directly delivered to crude exports 31, open crude oil input 29, and use water-bath jacket furnace 3 by heating crude oil to temperature required, then transport to crude exports 31 outward.
In the present invention, the structural representation of the concrete enforcement that water-bath jacket furnace and heat exchanger connection in series-parallel combinationally use is as shown in accompanying drawing 1d.Be described the present embodiment below in conjunction with Fig. 1 d: water-bath jacket furnace 3 and heat exchanger 2 connection in series-parallel combinationally use, crude oil Ke Fen tri-tunnel inputted from crude oil entrance 28 is walked.One tunnel enters water-bath jacket furnace 3 from crude oil input 29 to heat, and be delivered to crude exports 31 from crude oil output 30; Another road enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32, then enter water-bath jacket furnace 3 from crude oil input 29 and heat, and be delivered to crude exports 31 from crude oil output 30; Last road enters heat exchanger 2 and conduction oil heat exchange from crude oil input 32, is then directly delivered to crude exports 34 from crude oil output 33.Can, according to the conduction oil temperature of conduction oil input 37, crude oil be regulated to enter the flow of crude oil input 29 and 32 by motor-driven valve XI56 in running.Under usual operation conditions, the crude oil that crude oil output 33 exports directly is delivered to crude exports 34 without water-bath jacket furnace 3.When system has little time regulate or exceed system equipment ability to bear, according to the crude oil temperature of crude oil output 33, switch on/off electric valve XII57 can be carried out.If the crude oil temperature of crude oil output 33 reaches outer defeated requirement, then direct crude oil is delivered to crude exports 34 from crude oil output 33; If the crude oil temperature of crude oil output 33 does not reach outer defeated requirement, then crude oil is delivered to crude oil input 29 from crude oil output 33, uses water-bath jacket furnace 3 by heating crude oil to temperature required, then transport to crude exports 31 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 for integrated heat storage function, it comprises water-bath jacket furnace, heat exchanger, surge tank, heat storage can, low level oil storage tank, high-order oil storage tank, solar energy heat collector, temperature control equipment, circulating pump and slippage pump, it is characterized in that, crude oil entrance is connected by pipeline with the interface I of motor-driven valve I, the crude oil input of water-bath jacket furnace is connected by pipeline with the interface II of motor-driven valve I, the crude oil output of water-bath jacket furnace is connected by pipeline with crude exports, the crude oil input of heat exchanger is connected by pipeline with the interface III of motor-driven 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 motor-driven valve II, the conduction oil output of heat exchanger is connected by pipeline with the interface I of motor-driven valve III, the interface II of motor-driven valve III is connected by pipeline with the conduction oil input of surge tank, the conduction oil output of surge tank is connected by pipeline with the import of circulating pump, the gasification conduction oil output of surge tank is connected by pipeline with the gasification conduction oil input of high-order oil storage tank, the conduction oil input of high-order oil storage tank is connected by pipeline with repairing delivery side of pump, the conduction oil output of high-order oil storage tank is connected by pipeline with the import of circulating pump, the high-order oil spilling mouth of oil storage tank is connected by pipeline with the spilling conduction oil input of low level oil storage tank, the high-order oil drain out of oil storage tank is connected by pipeline with the spilling conduction oil input of low level oil storage tank, the import of slippage pump is connected by pipeline with the conduction oil output of low level oil storage tank, the conduction oil input of heat storage can is connected by pipeline with the interface III of motor-driven valve III, the conduction oil output of heat storage can is connected by pipeline with the import of circulating pump, the conduction oil floss hole of heat storage can is connected by pipeline with the conduction oil input of low level oil storage tank, circulation delivery side of pump is connected by pipeline with the conduction oil input of solar energy heat collector, the conduction oil output of solar energy heat collector is connected by pipeline with the interface II of motor-driven valve II, the interface III of motor-driven valve II is connected by pipeline with the interface I of motor-driven valve III.
2. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described water-bath jacket furnace uses burning or electrically heated mode to provide heat, heats crude oil; Water-bath jacket furnace is provided with crude oil input, crude oil output; Water-bath jacket furnace is in parallel or to connect or connection in series-parallel combinationally uses by pipeline and heat exchanger.
3. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 2, it is characterized in that, when described water-bath jacket furnace is in parallel with heat exchanger, the crude oil input of water-bath jacket furnace is connected crude oil entrance and crude exports with crude oil output respectively by pipeline;
When described water-bath jacket furnace and heat exchanger in series, the crude oil input of water-bath jacket furnace and crude oil output are connected the crude oil input of crude oil entrance and heat exchanger respectively by pipeline, or the crude oil input of water-bath jacket furnace and crude oil output are connected crude oil output and the crude exports of heat exchanger respectively by pipeline;
When described water-bath jacket furnace and heat exchanger connection in series-parallel combinationally use, the crude oil input of a water-bath jacket furnace is connected crude oil entrance and crude exports with crude oil output respectively by pipeline, the crude oil input of another water-bath jacket furnace and crude oil output are connected the crude oil input of crude oil entrance and heat exchanger respectively by pipeline, or the crude oil input of another water-bath jacket furnace and crude oil output are connected crude oil output and the crude exports of heat exchanger respectively by pipeline.
4. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described heat exchanger is used 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 and the conduction oil input of heat storage can respectively by pipeline; The crude oil input of heat exchanger connects the crude oil output of crude oil entrance or water-bath jacket furnace by pipeline; The crude oil output of heat exchanger connects the crude oil input of crude exports or water-bath jacket furnace by pipeline.
5. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described surge tank uses diaphragm type or gasbag-type surge tank, for the pressure oscillation of buffer system; Surge tank is provided with conduction oil input, conduction oil output, gasification conduction oil output; The conduction oil input of surge tank connects the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector respectively by pipeline; The conduction oil output of surge tank connects the conduction oil input of solar energy heat collector by pipeline; The gasification conduction oil output of surge tank connects the gasification conduction oil input of high-order oil storage tank by pipeline.
6. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described heat storage can is for storing unnecessary middle high temperature heat conductive oil; Heat storage can is provided with conduction oil input, conduction oil output, conduction oil floss hole; The conduction oil input of heat storage can connects the conduction oil output of heat exchanger and the conduction oil output of solar energy heat collector respectively by pipeline; The conduction oil output of heat storage can connects the conduction oil input of solar energy heat collector by pipeline; The conduction oil floss hole of heat storage can connects the conduction oil input of low level oil storage tank by pipeline.
7. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, it is characterized in that, conduction oil in low level oil storage tank for storing the unnecessary conduction oil or low temperature conduction oil that emit from heat storage can, and is transported to high-order oil storage tank by slippage pump by described low level oil storage tank; Low level oil storage tank is provided with conduction oil input, conduction oil output, overflows conduction oil input; The conduction oil input of low level oil storage tank connects the conduction oil floss hole of heat storage can by pipeline; The conduction oil output of low level oil storage tank connects the conduction oil input of high-order oil storage tank by pipeline; The spilling conduction oil input of low level oil storage tank connects oil spilling mouth and the oil drain out of high-order oil storage tank respectively by pipeline.
8. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described high-order oil storage tank is provided with conduction oil input, conduction oil output, oil spilling mouth, oil drain out, gasification conduction oil input; The conduction oil input of high-order oil storage tank connects the conduction oil output of low level oil storage tank by pipeline; The conduction oil output of high-order oil storage tank connects the conduction oil input of solar energy heat collector by pipeline; The oil spilling mouth of high-order oil storage tank and oil drain out are connected the spilling conduction oil input of low level oil storage tank by pipeline; The gasification conduction oil input of high-order oil storage tank connects the gasification conduction oil output of surge tank by pipeline.
9. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, it is characterized in that, described solar energy heat collector is concentrating solar collector, be formed by connecting by polylith light-concentrating solar heat-collection panel, for the conduction oil in water back, heat collector uses groove type heat collector or tower-type heat collector or Fresnel heat collector or dish-style heat collector; Described solar energy heat collector is provided with conduction oil input, conduction oil output; The conduction oil input of solar energy heat collector connects the conduction oil output of high-order oil storage tank and the conduction oil output of surge tank respectively by pipeline; The conduction oil output of solar energy heat collector connects the conduction oil input of heat exchanger and the conduction oil input of surge tank respectively by pipeline; 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 combinationally use;
When described concentrating solar thermal-arrest panel is in parallel, the heat conductive oil inlet of multiple thermal-arrest panel is connected with the conduction oil input of solar energy heat collector, and the conduction oil outlet of multiple thermal-arrest panel is connected with the conduction oil output of solar energy heat collector;
When described concentrating solar thermal-arrest panel is connected, the heat conductive oil inlet of first thermal-arrest panel is connected with the conduction oil input of solar energy heat collector, 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 combinationally uses, first multiple thermal-arrest panel is in parallel or be connected into one group, then it is in parallel or be together in series to organize thermal-arrest panel more.
10. the concentrating solar thermal-arrest heating in crude oil system of a kind of integrated heat storage function as claimed in claim 1, is characterized in that, described temperature control equipment, uses the temperature of thermal resistance collection pipeline, uses motor-driven valve to control the flow of each pipeline; Temperature control equipment is provided with thermal resistance I, thermal resistance II, thermal resistance III, motor-driven valve I, motor-driven valve II, motor-driven valve III; Described thermal resistance I is arranged on the pipeline between the crude oil output of heat exchanger and crude exports, and connects motor-driven valve II by lead-in wire; Described thermal resistance II is arranged on the pipeline between the conduction oil output of solar energy heat collector and motor-driven valve II, and connects motor-driven valve I by lead-in wire; On pipeline between the conduction oil output that described thermal resistance III is arranged on motor-driven valve III and heat exchanger, and connect motor-driven valve III by lead-in wire.
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| CN1654879A (en) * | 2005-02-04 | 2005-08-17 | 华东理工大学 | Solar indirect heating crude oil transportation system |
| CN100489373C (en) * | 2005-03-25 | 2009-05-20 | 华南理工大学 | Heating equipment for crude oil gathering and transferring, and heating method thereof |
| CN201462405U (en) * | 2009-06-19 | 2010-05-12 | 华东理工大学 | Crude oil heating and delivering system of solar-combined heat pump |
| CN201795283U (en) * | 2010-07-23 | 2011-04-13 | 天津市润泓达管件制造有限公司 | Solar high-temperature heat pump heating device for oil gathering and transportation |
| CN103608586B (en) * | 2011-03-13 | 2017-01-18 | 亚伯拉罕·斯得克 | Solar energy system |
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