CN1654879A - Solar indirect heating crude oil transportation system - Google Patents
Solar indirect heating crude oil transportation system Download PDFInfo
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- CN1654879A CN1654879A CN 200510023828 CN200510023828A CN1654879A CN 1654879 A CN1654879 A CN 1654879A CN 200510023828 CN200510023828 CN 200510023828 CN 200510023828 A CN200510023828 A CN 200510023828A CN 1654879 A CN1654879 A CN 1654879A
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- hot water
- crude oil
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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
Abstract
This invention discloses a solar indirectly heating and transportation crude oil system, which comprises solar heat collection device, small heat storage box, middle heat exchanger and heating furnace, wherein, the crude oil input pipes are separately connected to the input end of the middle heat exchanger and the crude oil entrance of the heating furnace; the said middle heat exchanger output end is connected to the heating furnace oil entrance through pipes; the input end of hot water of the middle heat exchanger is connected to the hot water output end; the hot water output ends are separately connected to the input end of solar heat collection device and the hot water input end of the water storage box; the solar heat collection device output end is connected to the hot water input end.
Description
Technical field
The present invention relates to the technical field that industry, civilian, the particularly heating crude oil of oilfield enterprise are carried.Specifically a kind of crude oil transportation system that utilizes solar energy as the clean energy resource heating,
Background technique
The condensation point of crude oil of China is generally higher, and viscosity is big, and the normal temperature current downflow is poor, so after crude oil is pooled to the ground metering station from each individual well, must heat and insulation, and each oil is stood just can be sent to after.Usually need be with heating crude oil to 50 °～60 °, to keep its good flowability.Thereby heating crude oil need consume the great amount of conventional energy (rock gas), and along with the fast development and the energy shortage problem of China Petroleum are constantly outstanding, it is very urgent to solve the Crude Oil Transportation power saving.
Urgent day by day energy situation has proposed an urgent demand to exploitation new technology of energy and further development and use renewable energy sources.Solar energy is a kind of natural clean energy resource, and its radiation amount of three days is equivalent to the energy summation of all mineral fuel on the earth, and how developing this natural energy resources is the task that China and countries in the world are all explored in effort.
China's solar energy resources is very abundant, and there is area year irradiation total amount more than 90% in the whole nation greater than 5000MJ/m
2, except that the Sichuan Basin and neighboring region, the solar energy resources in overwhelming majority area quite or surpass the solar energy resources in external same latitude area has excellent development condition and using value, and solar energy utilizes potentiality very big.The most of oil field of China is positioned at the abundant area of solar energy resources, utilizes solar energy to have very advantageous conditions and advantage in oil field development.
In recent years, the report that utilizes solar energy to carry out petroleum production and conveying is constantly arranged abroad.The Badran of Jordan university in 1998 etc. has studied Application of Solar Energy in the industry of heating fuel oil, they have designed the heating that two kinds of solar energy fuel-firing preheating devices are used for fuel oil, fuel oil is heated to 50 ℃, and under this temperature, store, this is to carry terminal to utilize the report the earliest of solar energy heating at fuel oil in the world.This system adopts the mode of the direct heating fuel oil of solar energy, and promptly fuel oil is walked in the solar thermal collector, and there are defectives such as pressure-bearing height, the easy coking of raw material, cleaning difficulty in internal system.
Australia one tame Sunpower Corp. adopted transparent honeycomb material and selective coating etc. in 1999, increased the solar absorption coefficient and suppressed convection current and heat loss through radiation, realized that the solar heat diode technologies is to reach the purpose with the heating crude oil viscosity reduction.Calendar year 2001 Saab.V proposes to utilize transparent insulation material to coat oil transmission line, and this material has two important performances: high transfer ratio and low overall coefficient of heat transfer in fact also are to utilize the solar heat diode technologies.These two kinds of diode technologies are applicable to the conveyance conduit of long distance, are not suitable for metering station or terminal that crude oil is concentrated.Cost of material is also high in addition.
Summary of the invention
Technical problem to be solved by this invention provides a kind of with the alternative part natural gas energy resource of solar energy, reaches the crude oil transportation system that reduces the gas consumption purpose in the indirect heating crude oil transportation process, to overcome the above-mentioned defective that prior art exists.
The technological scheme of technical solution problem of the present invention is as follows:
A kind of solar indirect heating crude oil transportation system is characterized in that, comprises solar heat collector, little hot water storage tank, Intermediate Heat Exchanger and oven,
Described Intermediate Heat Exchanger is provided with crude oil input end, crude oil output terminal, hot water input end and output end of hot water, described oven is provided with former oil-in and crude exports, described crude oil intake pipeline connects the former oil-in of the crude oil input end and the oven of Intermediate Heat Exchanger respectively, and the crude oil output terminal of described Intermediate Heat Exchanger links to each other with the former oil-in of oven by pipeline;
The hot water input end of described Intermediate Heat Exchanger connects the output end of hot water of little hot water storage tank by pipeline;
The output end of hot water of described Intermediate Heat Exchanger connects the input end of solar heat collector and the hot water input end of little hot water storage tank respectively by pipeline;
The output terminal of described solar heat collector connects the hot water input end of little hot water storage tank by pipeline.
As a further improvement on the present invention, the described little hot water storage tank big hot water storage tank that can also be connected in parallel, an output terminal of described little hot water storage tank connects the input end of big hot water storage tank, and the output terminal of big hot water storage tank connects an input end of little hot water storage tank.The unnecessary heat that can be used for system stores, and prolongs the heating time of system.
Described solar heat collector is the solar thermal collector array
Solar indirect heating crude oil transportation system of the present invention has following characteristics:
(1) its principle is to utilize the solar energy in large area collector array to produce heat medium water, and heat medium water is indirect heating crude oil in crude heat exchanger.The present invention do not adopt solar thermal collector directly to connect heating in crude oil former because: the first, there is certain pressure in the Crude Oil Transportation system, present heat collector specification bearing capacity is not enough, even redesign, its bearing structure also is difficult to reliable; The second, directly the coking phenomenon of crude oil in the heat collector may take place because the variation of solar radiation energy is higher sometimes in the temperature in the mode of heating heat collector when temperature is high.The 3rd, the viscosity of crude oil is bigger, has fouling, coking phenomenon, and carrying needs frequent pipe blow-through, is very difficult and clean in heat collector.Adopt the direct heating in crude oil mode of solar energy at present, its key technology is still immature.Adopt the mode of indirect heating then can overcome above deficiency.
(2) adopt the solar energy in large area collector array.According to different collector efficiencies and the isoparametric influence of solar radiation intensity, calculate the needed heat collector area of heating in crude oil through thermomechanics and thermal conduction study; Calculate the variation of heat collector import and export water temperature under the certain flow; The series and parallel optimum organization that calculates large size heat collector square formation through the fluid mechanics that circulating water in the heat collector is carried out distributes.
(3) system's heat exchanger network synthesis optimisation technique.Heat exchange network optimization is with comprehensive between solar thermal collector array, Crude oil heater, the big or small hot water storage tank in the system, and the effectiveness of performance that makes whole system is for optimum state.
By above disclosed technological scheme as can be known, the present invention compared with prior art has following advantage: utilize solar energy to substitute conventional energy resource heating conveying crude oil and save a large amount of energy consumptions, and reduce environmental pollution, environment purification.Advantages such as whole system has rational in infrastructure, and is easy to use.Owing to adopt big or small hot water storage tank, little hot water storage tank is used for the quick startup of system simultaneously, and the unnecessary heat that big hot water storage tank is used for system stores, and prolongs the heating time of system, thereby optimizes the utilization efficiency of whole system.
Description of drawings
Fig. 1 is a solar energy indirect heating Crude Oil Transportation system flow chart of the present invention.
Embodiment
Further specify the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, solar indirect heating crude oil transportation system of the present invention comprises solar heat collector 1, little hot water storage tank 2, Intermediate Heat Exchanger 3 and oven 4.
Described Intermediate Heat Exchanger 3 is provided with crude oil input end 17, crude oil output terminal 18, hot water input end 19 and output end of hot water 20, described oven is provided with former oil-in 22 and crude exports 23, described crude oil intake pipeline 21 connects the former oil-in 22 of the crude oil input end 17 and the oven of Intermediate Heat Exchanger respectively, and the crude oil output terminal 18 of described Intermediate Heat Exchanger 3 links to each other with the former oil-in 22 of oven 4 by pipeline;
The hot water input end 19 of described Intermediate Heat Exchanger 3 connects the output end of hot water of little hot water storage tank 2 by pipeline;
The output end of hot water 20 of described Intermediate Heat Exchanger 3 connects the input end of solar heat collector 1 and the hot water input end 26 of little hot water storage tank 2 respectively by pipeline;
The output terminal of described solar heat collector 1 connects a hot water input end 26 of little hot water storage tank 2 by pipeline.
As preferred implementation of the present invention, the described little hot water storage tank 2 big hot water storage tank 5 that also can be connected in parallel, an output terminal 25 of described little hot water storage tank 2 connects the input end of big hot water storage tank, and the output terminal of big hot water storage tank 5 connects an input end 26 that holds little hot water tank 2.Described solar heat collector 1 is the solar thermal collector array, and this array also is made up of a plurality of solar thermal collector strings, to realize large-area solar energy heating.
Below in conjunction with technological process Fig. 1 of the present invention, illustrate that the present invention adopts the working principle of solar indirect heating crude oil transportation system: under the normal solar radiation condition, recycle pump 27 is opened, the hot water of little hot water storage tank 2 is entered in the Intermediate Heat Exchanger 3 through autocontrol valve 16,14, and this moment, valve 15,6 was closed.Enter the hot water of heat exchanger 3 and crude oil heat exchange after autocontrol valve 8 enters in the collector array 1, after collector array 1 heating, enter little hot water storage tank 2 through autocontrol valve 9 again.This moment, valve 7 was closed.Crude oil to be heated enters heat exchanger through crude oil pipeline 21 through autocontrol valve 12 and heat exchanger crude oil inlet opening, and hot water carries out heat exchange with crude oil in heat exchanger 3, and with heating crude oil.Crude oil after the heating enters in the oven 4 after by crude oil output terminal outlet 18, the heating of lighting a fire automatically of the height of 4 based on crude temperature of oven, and heating back crude oil is exported through oven crude exports 23.When the temperature of finding little hot water storage tank 2 is higher, there is this moment unnecessary heat to store, then automatic ON cycle pump 15, hot water is after autocontrol valve 11 enters big hot water storage tank 5 accumulation of heats, through autocontrol valve 10, behind the 26 times little hot water storage tanks 2 in hot water inlet opening, be sent to heat exchanger 3 again.When the temperature in the collector array 1 is low when water temperature is improved, hot water goes out output terminal 20 through 7 times little hot water storage tanks 2 of autocontrol valve after heat exchanger 3 and crude oil heat exchange, this moment, autocontrol valve 8,9 was closed, and big hot water storage tank 5 is to little hot water storage tank 2 additional heat.If the coolant-temperature gage of heat exchanger hot water output 20 near the coolant-temperature gage at hot water input end 19 places, is then closed entrance point valve 12 automatically, allow this moment crude oil directly enter the oven heating through valve 13.Under night in winter or system overhaul, the situation such as stop using, intrasystem water is sent hot water tank back to through autocontrol valve 15,6, and this moment, autocontrol valve 16,14 was closed.
The present invention adopts a crude heat exchanger 3, to realize the indirect heating of crude oil.
Stability for the operation of assurance system makes the import hot water temperature of heat exchanger not be subjected to directly influencing of solar irradiance transient change, and the hot water of solar thermal collector outlet at first enters little hot water storage tank, enters heat exchanger by little hot water storage tank again.System of the present invention is provided with two hot water storage tanks of size.Little hot water storage tank is mainly used to the quick startup of the system that guarantees, makes the hot water temperature of every morning through the heat collector heating, reaches the needed running temperature of heat exchanger as early as possible.Big hot water storage tank is used for storing unnecessary heat energy, uses when temporary transient have more than is needed energy stores in order to no solar radiation with the form of hot water during the solar radiant energy peak.
Claims (3)
1. a solar indirect heating crude oil transportation system is characterized in that, comprises solar heat collector, little hot water storage tank, Intermediate Heat Exchanger and oven.
Described Intermediate Heat Exchanger is provided with crude oil input end, crude oil output terminal, hot water input end and output end of hot water, described oven is provided with former oil-in and crude exports, described crude oil intake pipeline connects the former oil-in of the crude oil input end and the oven of Intermediate Heat Exchanger respectively, and the crude oil output terminal of described Intermediate Heat Exchanger links to each other with the former oil-in of oven by pipeline;
The hot water input end of described Intermediate Heat Exchanger connects the output end of hot water of little hot water storage tank by pipeline;
The output end of hot water of described Intermediate Heat Exchanger connects the input end of solar heat collector and the hot water input end of little hot water storage tank respectively by pipeline;
The output terminal of described solar heat collector connects the hot water input end of little hot water storage tank by pipeline.
2. solar indirect heating crude oil transportation system according to claim 1, it is characterized in that, the described little hot water storage tank big hot water storage tank that also is connected in parallel, an output terminal of described little hot water storage tank connects the input end of big hot water storage tank, and the output terminal of big hot water storage tank connects an input end of little hot water storage tank.
3. solar indirect heating crude oil transportation system according to claim 1 and 2 is characterized in that, described solar heat collector is the solar thermal collector array.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023828 CN1654879A (en) | 2005-02-04 | 2005-02-04 | Solar indirect heating crude oil transportation system |
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| CN 200510023828 CN1654879A (en) | 2005-02-04 | 2005-02-04 | Solar indirect heating crude oil transportation system |
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| CN1654879A true CN1654879A (en) | 2005-08-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121754A (en) * | 2011-03-07 | 2011-07-13 | 刘忠林 | Solar energy optothermal and vacuum superconducting heating device |
| CN102537664A (en) * | 2011-11-28 | 2012-07-04 | 南京工业大学 | Day and night solar heat tracing system for heavy oil |
| CN102563892A (en) * | 2011-11-28 | 2012-07-11 | 南京工业大学 | Solar energy day and night heat tracing system for crude oil |
| CN103913001A (en) * | 2014-01-16 | 2014-07-09 | 华东理工大学 | Concentrating solar heat collection crude oil heating system integrated with heat storing function |
| CN105953443A (en) * | 2016-05-10 | 2016-09-21 | 江苏利文机械有限公司 | Oil pipeline auxiliary heating device |
| CN104420850B (en) * | 2013-09-11 | 2017-02-08 | 中国石油天然气股份有限公司 | Well field raw oil heating device, heating system and heating control method |
| CN106642687A (en) * | 2015-11-02 | 2017-05-10 | 中国石油化工股份有限公司 | Crude oil heating system and method with heat storage function |
| CN112361620A (en) * | 2020-11-09 | 2021-02-12 | 东营市富宏光热石油工程有限公司 | Sled dress formula light and heat heating device |
-
2005
- 2005-02-04 CN CN 200510023828 patent/CN1654879A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121754A (en) * | 2011-03-07 | 2011-07-13 | 刘忠林 | Solar energy optothermal and vacuum superconducting heating device |
| CN102537664A (en) * | 2011-11-28 | 2012-07-04 | 南京工业大学 | Day and night solar heat tracing system for heavy oil |
| CN102563892A (en) * | 2011-11-28 | 2012-07-11 | 南京工业大学 | Solar energy day and night heat tracing system for crude oil |
| CN104420850B (en) * | 2013-09-11 | 2017-02-08 | 中国石油天然气股份有限公司 | Well field raw oil heating device, heating system and heating control method |
| CN103913001A (en) * | 2014-01-16 | 2014-07-09 | 华东理工大学 | Concentrating solar heat collection crude oil heating system integrated with heat storing function |
| CN106642687A (en) * | 2015-11-02 | 2017-05-10 | 中国石油化工股份有限公司 | Crude oil heating system and method with heat storage function |
| CN105953443A (en) * | 2016-05-10 | 2016-09-21 | 江苏利文机械有限公司 | Oil pipeline auxiliary heating device |
| CN112361620A (en) * | 2020-11-09 | 2021-02-12 | 东营市富宏光热石油工程有限公司 | Sled dress formula light and heat heating device |
| CN112361620B (en) * | 2020-11-09 | 2022-02-25 | 东营市富宏光热石油工程有限公司 | Sled dress formula light and heat heating device |
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