CN213631002U - Solar energy coupling system of oil field heating furnace - Google Patents
Solar energy coupling system of oil field heating furnace Download PDFInfo
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- CN213631002U CN213631002U CN202022575020.5U CN202022575020U CN213631002U CN 213631002 U CN213631002 U CN 213631002U CN 202022575020 U CN202022575020 U CN 202022575020U CN 213631002 U CN213631002 U CN 213631002U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model discloses an oil field heating furnace solar energy coupled system, including solar collector, heat exchanger, circulating pump, heating furnace and low temperature medium circulation pipeline, low temperature medium circulation pipeline includes inlet line and outlet pipeline, inlet line with heat exchanger's low temperature medium entry end is connected, outlet pipeline with heat exchanger's low temperature medium exit end is connected to form the circulation heat transfer system of low temperature medium the inlet line divides the at least pipeline that adjusts the temperature of branch on the road, the export of pipeline that adjusts the temperature is remitted outlet pipeline is provided with bypass pipeline on the road, bypass pipeline with one section parallelly connected setting of outlet pipeline be provided with the heating furnace on the bypass pipeline. The utility model discloses simple structure utilizes solar energy to heat the low temperature medium, can reduce the fuel total consumption, has saved the fossil energy, has avoided secondary pollution, has realized the rational utilization of oil field oil gas resource.
Description
Technical Field
The utility model relates to an oil field well head, defeated and long defeated pipe-line transportation technical field of collection particularly, relate to an oil field heating furnace solar energy coupled system.
Background
In the crude oil production, the viscosity of crude oil produced by some block oil wells is high, the viscosity of some crude oil is as high as 5000 mPa.s, and the crude oil can be loaded and transported only by heating to more than 60 ℃. The crude oil cannot enter an oil pipeline of an oil field for centralized transportation, and only a crude oil storage tank (1-2 tanks of 40m3 are arranged on each well) is arranged at the wellhead for storing the crude oil produced by the oil well, and then the crude oil is transported out by a tank truck. Even if general oil produced from underground also contains wax with a certain component, the wax is dissolved in liquid under the condition of higher temperature, the wax in the oil is separated out and adsorbed on an oil pipeline due to lower external environment temperature in the process of oil transportation, the wax on the oil pipeline is increased and even the pipeline is blocked after the time, and at the moment, an operator must disassemble the oil pipeline to clean the wax in the oil pipeline so as to continue the oil transportation operation. Therefore, no matter in a petroleum crude oil production plant and a crude oil storage tank thereof, or a long-distance petroleum pipeline, a system special for heating the petroleum pipeline and the crude oil storage tank is required to be arranged, so that petroleum in the petroleum pipeline and the oil tank can keep a certain temperature, the state of a liquid-gas mixture is always kept, and the flowing and the transportation are convenient.
Therefore, no matter the oil field production well, the oil storage tank of the oil production plant, the oil pipeline in the plant and the long-distance crude oil pipeline are required to be subjected to the heat tracing process of the pipeline and the oil tank, China is the second oil refining country and the oil consuming country in the world, the third natural gas consuming country, the dependence degree of crude oil on the outside is nearly 70%, and the dependence degree of natural gas on the outside is over 40%. Therefore, the natural gas is used as fuel to heat crude oil for maintaining temperature, and the economic pressure and the cost are obviously increased.
The oil and gas field heating furnace is important equipment in the oil and gas production process, and is especially main energy consumption equipment for oil and gas field production business. The total energy consumption of oil and gas field business is about 2000 million tons of standard coal, wherein crude oil and natural gas account for about 80 percent, and the rest is consumed by various heating furnaces or boilers in a combustion mode except various losses in the gathering and transportation process. Under the process and technical conditions adopted by the current oil and gas field, the controllability of various losses is low, so that the energy utilization level of the oil and gas field is improved, the furnace efficiency of a heating furnace and a boiler is improved, and the fuel consumption of the heating furnace can be reduced by utilizing new technology and new energy.
At present, the solar heating technology is mature day by day and is popularized and applied in related fields, how to couple and cooperate an oil field heating furnace system and solar energy and reduce the consumption of fossil fuels such as oil field natural gas and the like is a problem to be solved urgently in the oil field industry.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem, oil field heating furnace fossil fuel energy consumption is big among the prior art.
In order to solve the problem, the utility model provides an oil field heating furnace solar energy coupled system, make full use of solar energy preheats or the concurrent heating to oil field well head, collection defeated and long-distance pipeline transport medium, has saved the oil transportation cost to fossil fuel's consumption greatly.
The technical scheme of the utility model is realized like this:
a solar energy coupling system of an oil field heating furnace comprises a solar heat collector, a heat exchanger, a circulating pump, a heating furnace and a low-temperature medium circulating pipeline, wherein a heat transfer working medium outlet end of the solar heat collector is connected with a heat transfer working medium inlet end of the heat exchanger through a pipeline, a heat transfer working medium outlet end of the heat exchanger is connected with a heat transfer working medium inlet end of the solar heat collector through the circulating pump so as to form a closed heat transfer working medium circulating system, the low-temperature medium circulating pipeline comprises an inlet pipeline and an outlet pipeline, the inlet pipeline is connected with the low-temperature medium inlet end of the heat exchanger, the outlet pipeline is connected with the low-temperature medium outlet end of the heat exchanger, the inlet pipeline is connected with a low-temperature medium outlet of a header pipe, the outlet pipeline is connected with, at least one temperature adjusting pipeline is branched from the inlet pipeline, the outlet of the temperature adjusting pipeline is converged into the outlet pipeline, a bypass pipeline is arranged on the outlet pipeline, the bypass pipeline is connected with one section of the outlet pipeline in parallel, and a heating furnace is arranged on the bypass pipeline.
In the arrangement, under the condition of sufficient illumination, a heat transfer working medium is continuously and circularly input into the solar heat collector under the action of the circulating pump, solar energy is converted into heat energy through the solar heat collector, the heat transfer working medium in the solar heat collector is heated by the heat energy to form a heat transfer working medium with certain pressure and temperature, the heat transfer working medium enters the high-temperature side of the heat exchanger, a low-temperature medium enters from the low-temperature side of the heat exchanger, the low-temperature medium and the heat transfer working medium are subjected to heat exchange in the heat exchanger, the heated low-temperature medium is sent into a header pipe through an outlet pipeline and is used for heating oil transportation and storage in an oil field, the inlet pipeline and the outlet pipeline are directly communicated through the temperature adjusting pipeline, the low-temperature medium which is not subjected to heat exchange is directly led into the outlet pipeline and is converged with the low-temperature medium after heat exchange, and, the device reduces fuel consumption, saves fancy energy and avoids secondary pollution.
Furthermore, a first temperature controller is arranged on the outlet pipeline, a first regulating valve is arranged on the inlet pipeline, a second regulating valve is arranged on the temperature regulating pipeline, and the first temperature controller is in linkage control with the first regulating valve and the second regulating valve.
The first temperature controller is used for detecting the temperature of the low-temperature medium in the outlet pipeline, the first regulating valve is used for regulating the amount of the low-temperature medium entering the heat exchanger, and the second regulating valve is used for regulating the amount of the low-temperature medium directly converging into the outlet pipeline without heat exchange.
Further, the first temperature controller is arranged at the upstream of the mixing point of the temperature adjusting pipeline and the outlet pipeline, and the first regulating valve is arranged at the downstream of the flow dividing point of the inlet pipeline and the temperature adjusting pipeline.
The temperature of the low-temperature medium flowing out of the heat exchanger is detected by the first temperature controller, the opening degree of the first regulating valve and/or the second regulating valve is regulated according to the detection result, the amount of the low-temperature medium entering the heat exchanger and the amount of the low-temperature medium mixed into the outlet pipeline through the temperature regulating pipeline are controlled, so that the low-temperature medium flowing out of the heat exchanger and the temperature of the low-temperature medium entering the outlet pipeline after passing through the temperature regulating pipeline are mixed to meet the conveying temperature requirement of the oil field gathering or long-distance pipeline,
further, a check valve is disposed on the outlet line, and the check valve is disposed between the mixing point and the first temperature controller.
The check valve is used for preventing the low-temperature medium entering the outlet pipeline from the temperature adjusting pipeline from flowing back upstream along the outlet pipeline to influence the heating efficiency of the system, and particularly when the solar thermal collector does not work, the first adjusting valve can be controlled to be closed, the second adjusting valve is controlled to be opened, the low-temperature medium directly enters the outlet pipeline through the temperature adjusting pipeline at the moment, and the check valve prevents the low-temperature medium from flowing upstream along the outlet pipeline, so that the heating efficiency of the system is ensured.
Furthermore, a second temperature controller is arranged at the downstream of the mixing point of the outlet pipeline and the temperature adjusting pipeline, a second shutoff valve is arranged on an outlet pipeline at the downstream of the second temperature controller, an inlet of the bypass pipeline is arranged between the second temperature controller and the second shutoff valve, and an outlet of the bypass pipeline is converged into the outlet pipeline at the downstream of the second shutoff valve.
The second temperature controller is used for detecting the temperature of the low-temperature medium in the mixed outlet pipeline, and the second shutoff valve is used for controlling whether the low-temperature medium in the outlet pipeline directly enters the inlet of the main pipe.
Furthermore, a first shutoff valve is arranged on the bypass pipeline, and the second temperature controller is in linkage control with the first shutoff valve and the second shutoff valve.
When the second temperature controller detects that the temperature of the low-temperature medium is lower than the conveying temperature requirement of the oil field gathering or long-distance pipeline, the second shutoff valve is disconnected, the first shutoff valve is communicated, the low-temperature medium enters the heating furnace to be heated and is conveyed into the outlet pipeline when the conveying temperature requirement of the oil field gathering or long-distance pipeline is met, when the second temperature controller detects that the temperature of the low-temperature medium meets the conveying temperature requirement of the oil field gathering or long-distance pipeline, the first shutoff valve is disconnected and the second shutoff valve is communicated, the low-temperature medium is directly conveyed into the main pipe through the outlet pipeline without heating of the heating furnace, the heating furnace is not applicable when the illumination is sufficient, when the illumination is insufficient or at night, the heating furnace is used for supplementary heating, and compared with the prior art, the use frequency and the use time of the heating furnace are greatly reduced, the consumption of fossil fuel is reduced, and the oil field heating system is more environment-friendly.
Further, the first shut-off valve is disposed at an upstream position of the heating furnace. The arrangement ensures that the heating furnace is in an emptying state when not in use, avoids the corrosion problem of long-term contact with a low-temperature medium, and prolongs the service life of the heating furnace.
Furthermore, the solar heat collector is any one or more of a groove type heat collector, a tower type heat collector, a Fresnel type heat collector and a disc type heat collector.
The types of the heat collectors can meet the requirements, the groove type heat collector can enable the heat transfer working medium to obtain higher temperature, so that a better heat transfer effect is obtained, and preferably, the heat transfer working medium is heat transfer oil.
Further, the heat exchanger is any one of a shell-and-tube heat exchanger, a double-tube heat exchanger, a plate heat exchanger and an immersion heat exchanger.
Any one of the heat exchangers can obtain a good heat exchange effect, and can be selected according to the field conditions.
Furthermore, the heating furnace is any one of a tubular heating furnace, a fire tube heating furnace, a water jacket heating furnace and a vacuum heating furnace.
Any one of the heating furnaces can obtain a good heat exchange effect, and can be selected according to the field conditions.
Compared with the prior art, the utility model has the advantages of as follows:
1. under the condition of sufficient illumination, the solar energy is utilized to heat the low-temperature medium, so that the total fuel consumption can be reduced, fossil energy is saved, secondary pollution is avoided, and oil and gas resources in the oil field are reasonably utilized;
2. at night or under the condition of insufficient illumination, the solar energy can not supply sufficient heat, and a heating furnace can be adopted for supplementary heating at the moment;
3. through the arrangement of the first temperature controller arranged on the low-temperature medium outlet pipeline and the first regulating valve and the second regulating valve which are controlled in a correlated mode, the temperature of the low-temperature medium outlet can be regulated when the illumination is too sufficient, the low-temperature medium is effectively prevented from being gasified, and meanwhile the temperature of the low-temperature medium passing through the output main pipe meets the requirement.
Drawings
FIG. 1 is a schematic structural diagram of a solar energy coupling system of an oilfield heating furnace according to an embodiment of the present invention;
description of reference numerals:
1. a solar heat collector; 2. a circulation pump; 3. a heat exchanger; 4. heating furnace; 5. a first regulating valve; 6. a second regulating valve; 7. a first temperature controller; 8. a check valve; 9. a second temperature controller; 10. a first shut-off valve; 11. a second shutoff valve; 12. an inlet line; 13. an outlet line; 14. a temperature regulating pipeline; 15. a bypass line; 16. a diversion point; 17. a mixing point.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same reference numerals are given to the same structural or functional components, and redundant description thereof is omitted. The described embodiments are merely illustrative of the inventive concept and do not limit the scope of the invention. Embodiments of the present application will be described in detail below with reference to the drawings.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and are not to be considered limiting of the scope of the present application. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The following describes an oil field heating furnace solar energy coupling system according to an embodiment of the present invention with reference to the accompanying drawings.
The embodiment provides a solar coupling system for an oil field heating furnace, as shown in fig. 1, which comprises a solar heat collector 1, a heat exchanger 3, a circulating pump 2, a heating furnace 4 and a low-temperature medium circulation pipeline, wherein a heat transfer working medium outlet end of the solar heat collector 1 is connected with a heat transfer working medium inlet end of the heat exchanger 3 through a pipeline, a heat transfer working medium outlet end of the heat exchanger 3 is connected with a heat transfer working medium inlet end of the solar heat collector 1 through the circulating pump 2, so as to form a closed heat transfer working medium circulation system, the low-temperature medium circulation pipeline comprises an inlet pipeline 12 and an outlet pipeline 13, the inlet pipeline 12 is connected with the low-temperature medium inlet end of the heat exchanger 3, the outlet pipeline 13 is connected with the low-temperature medium outlet end of the heat exchanger 3, the inlet pipeline 12 is connected with a low-temperature, thereby forming a circulating heat exchange system of low-temperature medium, at least one temperature regulating pipeline 14 is branched from the inlet pipeline 12, the outlet of the temperature regulating pipeline 14 is converged into the outlet pipeline 13, a bypass pipeline 15 is arranged on the outlet pipeline 13, the bypass pipeline 15 is connected with one section of the outlet pipeline 13 in parallel, and a heating furnace 4 is arranged on the bypass pipeline 15. In the arrangement, under the condition of sufficient illumination, a heat transfer working medium is continuously and circularly input into the solar heat collector 1 under the action of the circulating pump 2, solar energy is converted into heat energy through the solar heat collector 1, the heat transfer working medium in the solar heat collector 1 is heated by the heat energy to form a heat transfer working medium with certain pressure and temperature, the heat transfer working medium enters the high-temperature side of the heat exchanger 3, a low-temperature medium enters from the low-temperature side of the heat exchanger 3, the low-temperature medium and the heat transfer working medium are subjected to heat exchange in the heat exchanger 3, the cooled heat transfer working medium is pumped into the solar heat collector 1 by the circulating pump 2 to continuously and circularly absorb heat, the heated low-temperature medium is sent into a header pipe through an outlet pipeline 13 and is used for heating oil transportation and storage of an oil field, and the inlet pipeline 12 and the outlet pipeline 13 are directly communicated, the low-temperature medium which is not subjected to heat exchange is directly led into the outlet pipeline 13 and is converged with the low-temperature medium after heat exchange, the temperature of the low-temperature medium after heat exchange is adjusted, and when the temperature of the mixed low-temperature medium does not meet the conveying temperature requirement of the oil field gathering or long-distance pipeline, the low-temperature medium is conveyed into the heating furnace 4 through the bypass pipeline 15 to be further heated, so that the temperature of the low-temperature medium entering the main pipe from the outlet pipeline 13 is ensured to meet the conveying temperature requirement of the oil field gathering or long-distance pipeline, and the safety of oil transportation and storage of the oil field is ensured.
As an embodiment of the present invention, a first temperature controller 7 is disposed on the outlet pipeline 13, a first regulating valve 5 is disposed on the inlet pipeline 12, a second regulating valve 6 is disposed on the temperature regulating pipeline 14, and the first temperature controller 7 is in linkage control with the first regulating valve 5 and the second regulating valve 6; the first temperature controller 7 is configured to detect a temperature of the low-temperature medium in the outlet line 13, the first regulating valve 5 is configured to adjust an amount of the low-temperature medium entering the heat exchanger 3, and the second regulating valve 6 is configured to adjust an amount of the low-temperature medium directly entering the outlet line 13 without heat exchange.
Preferably, the first temperature controller 7 is disposed upstream of a mixing point 17 of the temperature adjusting pipeline 14 and the outlet pipeline 13, the first adjusting valve 5 is disposed downstream of a branching point 16 of the inlet pipeline 12 and the temperature adjusting pipeline 14, in the present invention, the upstream is upstream of a fluid flowing direction in a conventional sense, and correspondingly, the downstream is downstream of the fluid flowing direction in the conventional sense, in this embodiment, a signal line of the first temperature controller 7 is connected to the controllers of the first adjusting valve 5 and the second adjusting valve 6, the temperature of the low-temperature medium flowing out of the heat exchanger 3 is detected by the first temperature controller 7, the opening degree of the first adjusting valve 5 and/or the second adjusting valve 6 is adjusted according to the detection result, and the amount of the low-temperature medium entering the heat exchanger 3 is controlled, and through the amount of low temperature medium that the said temperature regulating pipeline 14 mixes into the said outlet pipe line 13, thus guarantee to flow out from the said heat exchanger 3 low temperature medium and enter the outlet pipe line 13 after passing through the said temperature regulating pipeline 14 the temperature after mixing and meet the oil field gathering and transporting or long-distance pipeline transport temperature requirement, in the utility model, when the said first temperature controller 7 detects the low temperature medium temperature of the said heat exchanger 3 outlet is too high, adopt the liquid low temperature medium to be easy to be gasified, adjust the aperture of the said first regulating valve 5 according to the linkage at this moment, reduce the temperature of the low temperature medium after heat exchange, can also adjust the aperture of the second regulating valve 6 selectively according to the linkage, thus adjust the low temperature medium temperature after mixing, make it meet the temperature requirement, when the said first temperature controller 7 detects the low temperature medium temperature of the said heat exchanger 3 outlet is too low, the opening degree of the first regulating valve 5 and/or the second regulating valve 6 is/are reduced, so that the temperature of the low-temperature medium after heat exchange is increased.
Preferably, a check valve 8 is further disposed on the outlet pipeline 13, the check valve 8 is disposed between the mixing point 17 and the first temperature controller 7, the check valve 8 is used for preventing the low-temperature medium entering the outlet pipeline 13 from the temperature adjusting pipeline 14 from flowing back upstream along the outlet pipeline 13, which affects the heating efficiency of the system, especially when the solar heat collector 1 is not in operation, the first adjusting valve 5 can be controlled to be closed, the second adjusting valve 6 is controlled to be opened, and the low-temperature medium directly enters the outlet pipeline 13 through the temperature adjusting pipeline 14, the check valve 8 prevents the low-temperature medium from flowing upstream along the outlet pipeline 13, and the heating efficiency of the system is ensured.
As a preferred embodiment of the present invention, a second temperature controller 9 is disposed downstream of a mixing point 17 of the outlet pipeline 13 and the temperature adjusting pipeline 14, a second shut-off valve 11 is disposed on the outlet pipeline 13 downstream of the second temperature controller 9, an inlet of the bypass pipeline 15 is disposed between the second temperature controller 9 and the second shut-off valve 11, an outlet of the bypass pipeline 15 is merged into the outlet pipeline 13 downstream of the second shut-off valve 11, a first shut-off valve 10 is disposed on the bypass pipeline 15, and the second temperature controller 9 is controlled in linkage with the first shut-off valve 10 and the second shut-off valve 11; the second temperature controller 9 is used for detecting the temperature of the low-temperature medium in the mixed outlet pipeline 13, when the temperature of the low-temperature medium is detected to be lower than the conveying temperature requirement of the oil field gathering or long-distance pipeline, the second shutoff valve 11 is disconnected, the first shutoff valve 10 is communicated, the low-temperature medium enters the heating furnace 4 for heating and is conveyed into the outlet pipeline 13 when the conveying temperature requirement of the oil field gathering or long-distance pipeline is met, when the temperature of the low-temperature medium is detected by the second temperature controller 9 and is met, the first shutoff valve 10 is disconnected, the second shutoff valve 11 is communicated, the low-temperature medium is directly conveyed into the main pipe through the outlet pipeline 13 without heating of the heating furnace 4, the heating furnace 4 can not be used when the illumination is sufficient, and the heating furnace 4 is used for supplementary heating when the illumination is insufficient or the illumination is night, compared with the prior art, the using frequency and the using time of the heating furnace 4 are greatly reduced, the consumption of fossil fuel is reduced, and an oil field heating system is more environment-friendly.
Preferably, the first shut-off valve 10 is arranged at the upstream position of the heating furnace 4, and the heating furnace 4 is in an emptying state when not in use, so that the corrosion problem of long-term contact with a low-temperature medium is avoided, and the service life of the heating furnace 4 is prolonged.
Specifically, the solar heat collector 1 is any one or more of a trough heat collector, a tower heat collector, a fresnel heat collector and a disc heat collector, preferably, the trough heat collector, the types of the above heat collectors can meet requirements, and the trough heat collector can enable the heat transfer working medium to obtain higher temperature, so that a better heat transfer effect is obtained, preferably, the heat transfer working medium conducts heat oil.
In this embodiment, the heat exchanger 3 is any one of a shell-and-tube heat exchanger, a double-tube heat exchanger, a plate heat exchanger and an immersion heat exchanger, and the heat exchanger can obtain a good heat exchange effect and can be specifically selected according to the field situation.
Specifically, the heating furnace 4 is any one of a tubular heating furnace, a fire tube heating furnace, a water jacket heating furnace, a vacuum heating furnace and the like, and the any one of the heating furnaces can obtain a good heat exchange effect and can be selected according to the field conditions.
As an embodiment of the present invention, the first temperature controller 7 and the second temperature controller 9 are one or two of a thermocouple temperature controller and a thermal resistor temperature controller, specifically, the first temperature controller 7 and the second temperature controller 9 may be the thermocouple temperature controller or the thermal resistor temperature controller, and also may be one of the thermocouple temperature controller and the thermal resistor temperature controller.
Specifically, the first regulating valve 5 and the second regulating valve 6 may be any one of an electric stop valve and an electric butterfly valve, and the first regulating valve 5 and the second regulating valve 6 may be the same electric stop valve or the electric butterfly valve, or one of them may be the electric stop valve and the other may be the electric butterfly valve.
In this embodiment, the first shut-off valve 10 and the second shut-off valve 11 are one or two of an electric gate valve, an electric ball valve and an electric stop valve, and a good connection or sealed disconnection effect can be obtained by using any one of the above-mentioned valve bodies.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above only are embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A solar coupling system of an oil field heating furnace is characterized by comprising a solar heat collector (1), a heat exchanger (3), a circulating pump (2), a heating furnace (4) and a low-temperature medium circulating pipeline, wherein a heat transfer working medium outlet end of the solar heat collector (1) is connected with a heat transfer working medium inlet end of the heat exchanger (3) through a pipeline, a heat transfer working medium outlet end of the heat exchanger (3) is connected with a heat transfer working medium inlet end of the solar heat collector (1) through the circulating pump (2) so as to form a closed heat transfer working medium circulating system, the low-temperature medium circulating pipeline comprises an inlet pipeline (12) and an outlet pipeline (13), the inlet pipeline (12) is connected with the low-temperature medium inlet end of the heat exchanger (3), and the outlet pipeline (13) is connected with the low-temperature medium outlet end of the, the inlet pipeline (12) is connected with a low-temperature medium outlet of the header pipe, the outlet pipeline (13) is connected with a low-temperature medium inlet of the header pipe, so that a circulating heat exchange system of a low-temperature medium is formed, at least one temperature adjusting pipeline (14) is branched from the inlet pipeline (12), an outlet of the temperature adjusting pipeline (14) is converged into the outlet pipeline (13), a bypass pipeline (15) is arranged on the outlet pipeline (13), the bypass pipeline (15) is connected with one section of the outlet pipeline (13) in parallel, and a heating furnace (4) is arranged on the bypass pipeline (15).
2. The solar coupling system of an oilfield heating furnace according to claim 1, wherein a first temperature controller (7) is arranged on the outlet pipeline (13), a first regulating valve (5) is arranged on the inlet pipeline (12), a second regulating valve (6) is arranged on the temperature regulating pipeline (14), and the first temperature controller (7) is in linkage control with the first regulating valve (5) and the second regulating valve (6).
3. Oilfield heating furnace solar coupling system according to claim 2, wherein the first temperature controller (7) is arranged upstream of a mixing point (17) of the tempering line (14) and the outlet line (13), and the first regulating valve (5) is arranged downstream of a branching point (16) of the inlet line (12) and the tempering line (14).
4. An oilfield heating furnace solar coupling system according to claim 3, wherein a check valve (8) is further provided on the outlet line (13), the check valve (8) being provided between the mixing point (17) and the first temperature controller (7).
5. An oilfield heating furnace solar coupling system according to any one of claims 1-4, wherein a second temperature controller (9) is arranged downstream of a mixing point (17) of the outlet line (13) with the tempering line (14), a second shut-off valve (11) is arranged on the outlet line (13) downstream of the second temperature controller (9), an inlet of the bypass line (15) is arranged between the second temperature controller (9) and the second shut-off valve (11), and an outlet of the bypass line (15) opens into the outlet line (13) downstream of the second shut-off valve (11).
6. The solar coupling system of the oilfield heating furnace according to claim 5, wherein a first shut-off valve (10) is arranged on the bypass pipeline (15), and the second temperature controller (9) is in linkage control with the first shut-off valve (10) and the second shut-off valve (11).
7. An oilfield heating furnace solar coupling system according to claim 6, wherein the first shut-off valve (10) is provided at a position upstream of the heating furnace (4).
8. The solar coupling system of an oilfield heating furnace according to any one of claims 1 to 4, wherein the solar collector (1) is any one or more of a trough collector, a tower collector, a Fresnel collector and a dish collector.
9. An oilfield heating furnace solar coupling system according to any one of claims 1-4, wherein the heat exchanger (3) is any one of a shell-and-tube heat exchanger, a double-tube heat exchanger, a plate heat exchanger and a submerged heat exchanger.
10. The solar coupling system of the oilfield heating furnace according to any one of claims 1 to 4, wherein the heating furnace (4) is any one of a tubular heating furnace, a fire tube heating furnace, a water jacket heating furnace and a vacuum heating furnace.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022401 | 2020-09-16 | ||
| CN2020220224010 | 2020-09-16 |
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| Publication Number | Publication Date |
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| CN213631002U true CN213631002U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022575020.5U Active CN213631002U (en) | 2020-09-16 | 2020-11-10 | Solar energy coupling system of oil field heating furnace |
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| CN (1) | CN213631002U (en) |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |