CN114017931A - Low-carbon environment-friendly heating method for crude oil - Google Patents
Low-carbon environment-friendly heating method for crude oil Download PDFInfo
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- CN114017931A CN114017931A CN202111066366.5A CN202111066366A CN114017931A CN 114017931 A CN114017931 A CN 114017931A CN 202111066366 A CN202111066366 A CN 202111066366A CN 114017931 A CN114017931 A CN 114017931A
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- China
- Prior art keywords
- heat
- crude oil
- heating
- electric heater
- low
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
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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
The invention relates to a low-carbon environment-friendly heating method for crude oil, which can independently heat and store heat through a solar heater or can doubly heat and store heat through the solar heater and an electric heater by virtue of a heating mode taking the solar heater as a main part and the electric heater as an auxiliary part and an integrated design of a heat storage and heat storage module, and can independently charge the heat storage and heat storage bank at a valley power period or other periods even under extreme weather conditions by virtue of the electric heater, so that enough heat sources are ensured to be used for heating the crude oil, the energy storage and heating modes are more flexible and diversified, the cost for heating the crude oil is lower, the heating mode is more green and low-carbon, the working efficiency is higher, and the overall modularized design is more simplified.
Description
Technical Field
The invention relates to the field of petroleum heating, in particular to a low-carbon environment-friendly heating method for crude oil.
Background
In the process of collecting oil fields, the wellhead of a production well under the oil field is heated, and crude oil is extracted from the underground and needs to be lifted to about 60 ℃ from 30 ℃ for convenient transportation and use. Oil field oil well heating originally uses oil field associated gas to heat, but along with the intensification of national environmental protection dynamics, the heat source that original gas boiler form provided at present has been unable to use. Therefore, a low-carbon environment-friendly heating method for crude oil, which has a flexible and stable energy storage mode, high working efficiency and a simple structure, is needed.
Disclosure of Invention
The invention aims to provide a low-carbon environment-friendly heating method for crude oil, which has a low-carbon environment-friendly heating mode, a heat storage function, high working efficiency and a simple structure.
In order to ensure that the heating mode is flexible, the energy storage is stable, the working efficiency is high and the structure is simple in the using process, the invention designs a low-carbon environment-friendly heating method for crude oil by using a heating mode taking a solar heater as a main part and an electric heater as an auxiliary part and an integration thought of a heat storage and heat storage module, and the method comprises the following steps:
s1, collecting heat by taking a solar heater as a main part and an electric heater as an auxiliary part, and transferring the heat energy obtained by the conversion of the absorbed sunlight heat or the electric heat to an energy storage heat reservoir for heat storage;
s2, the energy storage heat reservoir transfers the stored heat to the crude oil heat exchanger, one end of the crude oil heat exchanger is connected with a crude oil inlet pipeline of the crude oil heating system, and the crude oil is heated by the transferred heat to reduce the viscosity;
and S3, discharging the low-consistency crude oil from the crude oil heat exchanger through a crude oil outlet pipeline.
The invention has the advantages that the energy storage heating mode which mainly uses the solar heater and assists the electric heater is more flexible and diversified, the cost for heating the petroleum is lower, the heating mode is more environment-friendly, the working efficiency is higher, and the overall modular design is more simplified.
Further, the step S1 further includes the following steps:
a1, when the outside weather is sunny, the solar heater works alone to collect heat and transfer the heat to the energy storage heat reservoir;
a2, when the heat energy provided by the energy storage heat reservoir is insufficient or when the outside weather is cloudy, the electric heater is used for auxiliary heating to provide enough heat energy for the crude oil heat exchanger.
Further, the step a2 further includes the following steps:
b1, in the heating process of the electric heater, the heat energy of the first section is directly transmitted to the crude oil heat exchanger for heat supply, so as to ensure the temperature in the heat exchanger;
b2, the redundant heat energy of the electric heater flows back to the energy storage heat reservoir to store heat.
Furthermore, the solar heater, the electric heater, the energy storage heat reservoir and the crude oil heating system are in a series connection structure. Through the design of series connection structure, guarantee the direct output of energy and input.
Further, the electric heaters are arranged in an array. Through the design that the array was arranged, can select the electric heater of different quantity to work according to the demand, the working effect is nimble changeable more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a low carbon, environmentally friendly heating method for crude oil according to the present invention.
The corresponding part names indicated by the numbers in the figures:
1. a solar heater; 2. an energy storage thermal reservoir; 3. an electric heater; 4. an expansion tank; 5. a crude oil heat exchanger; 6. a crude oil heating system; 7. a crude oil inlet pipe; 8. crude oil outlet pipeline.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
the invention aims to provide a low-carbon environment-friendly heating method for crude oil, which has the advantages of flexible and stable energy storage mode, high working efficiency and simple structure.
As shown in fig. 1, in order to ensure that the energy storage mode is flexible and stable, the working efficiency is high, and the structure is simple in the using process, the invention relates to a low-carbon environment-friendly heating method for crude oil, which comprises the following steps:
s1, collecting heat by taking the solar heater 1 as a main part and the electric heater 3 as an auxiliary part, and transferring the heat energy obtained by the absorbed sunlight heat or electric heat conversion into the energy storage heat reservoir 2 for heat storage;
s2, the energy storage heat reservoir 2 transfers the stored heat to the crude oil heat exchanger 5, one end of the crude oil heat exchanger 5 is connected with a crude oil inlet pipeline 7 of the crude oil heating system 6, and the crude oil is heated by the transferred heat to reduce the viscosity;
s3, discharging the low consistency crude oil from the crude oil heat exchanger 5 through the crude oil outlet pipe 8.
The solar oil heating system has the advantages that the solar heater 1 is used as a main heating mode, the electric heater 3 is used as an auxiliary heating mode, the heat storage and heat storage module is arranged, the cost for heating oil is lower, the heating mode is more environment-friendly, the working efficiency is higher, and the overall modularized design is more simplified.
Further, the step S1 further includes the following steps:
a1, when the outside weather is sunny, the solar heater 1 works alone to collect heat and transfer the heat to the energy storage heat reservoir 2;
a2, when the heat energy provided in the energy storage heat reservoir 2 is insufficient or when the outside weather is cloudy, the electric heater 3 performs auxiliary heating to provide enough heat energy for the crude oil heat exchanger 5.
Further, the step a2 further includes the following steps:
b1, in the heating process of the electric heater 3, the heat energy of the first section is directly transmitted to the heat exchanger 5 for heat supply, so as to ensure the temperature in the crude oil heat exchanger 5;
b2, the redundant heat energy of the electric heater 3 flows back to the energy storage heat reservoir 2 to store heat.
Further, the solar heater 1, the electric heater 3, the energy storage heat reservoir 2 and the crude oil heating system 6 are in a series structure. Through the design of series connection structure, guarantee the direct output of energy and input.
Further, the electric heaters 3 are arranged in an array. Through the design that the array was arranged, can select the electric heater of different quantity to work according to the demand, the working effect is nimble changeable more.
In actual operation, under the condition of sufficient solar energy on sunny days, the electric heater 3 is not started in the valley power time period, and solar energy in the daytime is independently utilized to provide heat; when the sun is absent in the daytime, the electric heater 3 is started in the valley power time period, and the electric heater 3 can be stopped when the energy storage heat reservoir 2 is heated to 85 ℃; when the sun is in the daytime but the solar energy is insufficient, the heat supplement quantity Q1 required at night is set, the heat supplement quantity Q1 can be regulated and controlled according to specific conditions, the inlet and outlet temperatures T1 and T4 of the electric heater 3 and the system flow are used for calculating the heat integrated value Q2 in the valley power time period, when Q1-Q2 are less than the set value, the set value can be regulated and controlled according to the specific conditions, the heating can be stopped, and if the temperature of the heat reservoir reaches 85 ℃ (adjustable) in the process, the electric heater 3 is stopped, and the electric heater 3 can perform combined heating in the daytime and the solar energy. The three modes are adjusted according to weather conditions, and can be controlled and adjusted according to the following two ways: the remote platform can be linked with the weather forecast, the weather forecast of the next day is estimated when the valley electricity of each day starts, and the mode is automatically selected according to the weather forecast condition; or a remote control platform can be used for grouping all the sub-projects of the oil field, the weather of the next day is estimated by artificially combining weather forecast at night every day, and the Q1 value of the mode and the combined mode is selected and adjusted, so that the control function is realized. The remote platform is used for issuing commands in batches, the overall operation is simple, and the reliability is high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A low-carbon environment-friendly heating method for crude oil is characterized by comprising the following steps:
s1, collecting heat by taking a solar heater as a main part and an electric heater as an auxiliary part, and transferring the heat energy obtained by the conversion of the absorbed sunlight heat or the electric heat to an energy storage heat reservoir for heat storage;
s2, the energy storage heat reservoir transfers the stored heat to the crude oil heat exchanger, one end of the crude oil heat exchanger is connected with a crude oil inlet pipeline of the crude oil heating system, and the crude oil is heated by the transferred heat to reduce the viscosity;
and S3, discharging the low-consistency crude oil from the crude oil heat exchanger through a crude oil outlet pipeline.
2. The low carbon, environmental friendly method for adding crude oil as claimed in claim 1, wherein the step S1 further comprises the steps of:
a1, when the outside weather is sunny, the solar heater works alone to collect heat and transfer the heat to the energy storage heat reservoir;
a2, when the heat energy provided by the energy storage heat reservoir is insufficient or when the outside weather is cloudy, the electric heater is used for auxiliary heating to provide enough heat energy for the crude oil heat exchanger.
3. The low-carbon environment-friendly heating method for crude oil as claimed in claim 2, wherein the step A2 further comprises the following steps:
b1, in the heating process of the electric heater, the heat energy of the first section is directly transmitted to the crude oil heat exchanger for heat supply, so as to ensure the temperature in the heat exchanger;
b2, the redundant heat energy of the electric heater flows back to the energy storage heat reservoir to store heat.
4. The low carbon, environmentally friendly heating method for crude oil of claim 1, wherein: the solar heater, the electric heater, the energy storage heat reservoir and the crude oil heating system are in a series structure.
5. The low carbon, environmentally friendly heating method for crude oil of claim 1, wherein: the electric heaters are arranged in an array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111066366.5A CN114017931A (en) | 2021-09-13 | 2021-09-13 | Low-carbon environment-friendly heating method for crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111066366.5A CN114017931A (en) | 2021-09-13 | 2021-09-13 | Low-carbon environment-friendly heating method for crude oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114017931A true CN114017931A (en) | 2022-02-08 |
Family
ID=80054244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111066366.5A Withdrawn CN114017931A (en) | 2021-09-13 | 2021-09-13 | Low-carbon environment-friendly heating method for crude oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114017931A (en) |
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2021
- 2021-09-13 CN CN202111066366.5A patent/CN114017931A/en not_active Withdrawn
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Application publication date: 20220208 |
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