CN1800697A - Control apparatus and control method for solar heating in crude oil gathering and transportation - Google Patents
Control apparatus and control method for solar heating in crude oil gathering and transportation Download PDFInfo
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- CN1800697A CN1800697A CN 200510033761 CN200510033761A CN1800697A CN 1800697 A CN1800697 A CN 1800697A CN 200510033761 CN200510033761 CN 200510033761 CN 200510033761 A CN200510033761 A CN 200510033761A CN 1800697 A CN1800697 A CN 1800697A
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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
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Abstract
The invention relates to a controller of solar heating transmission device and relative method. The controller comprises a signal collector for detecting the environment parameters when transmitting base oil; an output execution device for starting the heating on the base oil transmission, and a control module for receiving environment parameters and controlling said device. Wherein, the control module is electrically connected to the signal collector and the output execution device; the control method comprises solar collection heating water circulation, heating circulation of water accumulation tank and the heat exchanger temperature-control. The invention can realize the control on the base oil transmission.
Description
Technical field
The invention belongs to the automation field of solar energy heating technology, particularly relate to a kind of solar heating in crude oil gathering defeated control gear and controlling method.
Background technique
At present oilfield applications need consume a large amount of energy in link such as recover the oil, collection is defeated.The former oil freezing point of China is generally higher, and viscosity is big, and the normal temperature current downflow is poor, therefore must heat the transportation process after oil well is fuel-displaced and insulation.In processes such as the oil recovery in oil field, collection be defeated, have at least the energy consumption about 20% to be used for heating crude oil and processing, traditional technology that crude oil is heated in transmission course typically uses burning coal, fuel oil, rock gas, electrically heated method, this not only causes a large amount of energy consumptions and serious environmental pollution problem, and has no small potential safety hazard.
Energy crisis and environmental pollution problem have become the focus of current social common concern.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.In effective measures can taking aspect the reduction oilfield exploitation energy consumption is to utilize alternative energy source or waste heat.If the heat of the enough solar energy of energy comes heating in crude oil, can be the oil field and save a large amount of energy consumptions.On the crude oil transmission field, utilize heliotechnics also to begin to set about research at present, and core technology wherein is exactly to design a cover can control the defeated control gear of solar heating in crude oil gathering comprehensively.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of control gear that solar energy heats crude oil when crude oil transmission of controlling is provided.
Another object of the present invention is to provide the controlling method of the original transmission of a kind of solar energy heating according to this control gear.
In order to reach goal of the invention one, the technical solution used in the present invention is:
A kind of control gear of solar heating in crude oil transmission, the signal pickup assembly that comprises detectable crude oil transmission place working environment parameter, with the output actuating device that starts the solar heat collector that transmission is heated to crude oil, with the reception environment parameter and control the control module of solar heat collector, described control module is electrically connected with signal pickup assembly and output actuating device respectively.
Solar heat collector of the present invention comprises: water storage box, be connected with water storage box and can heat the water in the water storage box solar thermal collector, be connected the heat exchanger that also can realize water/oily heat exchange simultaneously with water storage box and crude oil transmission pipeline.
Signal pickup assembly of the present invention comprises A/D acquisition module and pulse counter module, and the temperature transducer and the flow transducer that are electrically connected with A/D acquisition module and pulse counter module respectively.
Output actuating device of the present invention comprises output control module and pid control module, and the water pump that is electrically connected with output control module, solenoid valve and electric control valve that is electrically connected with pid control module and burner.
Described A/D acquisition module, pulse counter module, output control module and pid control module are integrated into an industry control modular assembly, and described industry control modular assembly is electrically connected with control module.
Control module of the present invention can also be connected with the outer monitoring management system by network.
Control module comprises processor and Logic control module, described Logic control module comprises solar energy heating control module and water storage box heat supply control module, and described solar energy heating control module also comprises solar energy heating water cycle control module and water/oily heat exchange control module.
Output control module of the present invention comprises 2 road pid control modules and 14 tunnel output control signals, described 2 road pid control modules are respectively applied for control electric control valve and burner, in described 14 tunnel output control signals, 8 tunnel control electromagnetic valve, 3 tunnel control of pump, 1 tunnel control heat tape and 2 tunnel control alarms are arranged.
The defeated control gear of solar heating in crude oil gathering of the present invention can also be connected with the upper management system by network interface.
In order to reach goal of the invention two, the technical solution used in the present invention is:
A kind of controlling method of solar heating in crude oil transmission comprises that solar thermal collector adds hot water circuit, water storage box heat supply circulation, heat exchanger temperature control,
Described solar thermal collector adds hot water circuit and comprises:
(1), signal pickup assembly detects solar radiation quantity when sufficient, control module starts solar energy heating water cycle control module, control of pump and solar thermal collector work utilize the water in the solar thermal collector heating water storage box; Be higher than 8 ℃ of solar thermal collector inlet water temperatures or above when signal pickup assembly detects solar thermal collector outlet water temperature, continue to keep the work of solar energy heating water cycle control module;
(2), detect that solar thermal collector outlet water temperature is higher than 5 ℃ of heat exchanger entrance oil temperature or when above when signal pickup assembly, start water/oily heat exchange control module simultaneously, control electromagnetic valve work, the hot water inflow heat exchanger that the solar thermal collector outlet is flowed out, hot water carries out heat exchange with low temperature crude oil in heat exchanger;
(3), when signal pickup assembly detects solar thermal collector outlet water temperature and is not higher than 3 ℃ of solar thermal collector inlet water temperatures, stop solar energy heating water cycle control module;
Described water storage box heat supply circulation comprises:
When (A), enough hot water being arranged in signal pickup assembly detects water storage box and the temperature difference between solar thermal collector outlet water temperature and the oily temperature of heat exchanger entrance during less than 5 ℃, start water storage box heat supply control module, allow the water in the water storage box enter heat exchanger, utilize accumulation of heat and crude oil to carry out heat exchange;
(B), in the process of carrying out regenerative heat exchange, be higher than 5 ℃ of the oil temperature of heat exchanger entrance or when above, then switch to the solar energy heating control module if signal pickup assembly detects solar thermal collector outlet water temperature;
Described heat exchanger temperature control comprises: the flow of the circulating water by signal pickup assembly heat exchanging device detects, when the heat exchanger heating-up temperature is too high, the shunting of control module control hot water, make unnecessary hot water enter water storage box, if temperature is still too high, then suspend recycle pump, reduce circulating water flow by heat exchanger.
The control hot water shunting of heat exchanger temperature control of the present invention adopts PID to regulate control subsystem, and PID regulates the controlling method of control subsystem to temperature control employing ratio infinitesimal calculus, and concrete pid algorithm model is:
Wherein e (t) is the t current outer difference of failing the target temperature of temperature and requirement of crude oil constantly, K
pBe proportionality constant.
Technological scheme two of the present invention can also comprise step (C), and described step (C) is:
When the temperature difference that detects the water temperature of the water temperature of heat exchanger exit and heat exchanger entrance when signal pickup assembly is not more than 1 ℃, stop solar energy heating control module and water storage box heat supply control module simultaneously, start burner the crude oil heating of burning.
Control structure of the present invention is simple, then can realize the expectant control target by common control apparatus, control module of the present invention adopts solar energy heating control module, water storage box heat supply module, heat exchanger temperature control module relatively independent, make program structure clear, two separate being independent of each other of module guarantee accuracy and the promptness controlled; And in running, solar energy heating control module and water storage box heat supply module can according to circumstances automatically switch, when solar-heating is not enough, to start water storage box and utilize accumulation of heat to heat, when solar-heating is sufficient, restart the solar thermal collector heating, in this way, can utilize solar energy to large extent, the heat exchanger temperature control module is controlled the flow of the circulating water by heat exchanger, to reach the heating crude oil temperature controlling; When the heat exchanger heating-up temperature is too high, the present invention can be by reconciling the aperture shunting hot water of electric control valve, make unnecessary heat enter heat-accumulating box, if temperature is still too high, then suspend recycle pump, minimizing has strengthened the heat utilization efficiency of hot water and the working life of heat exchanger by the circulating water flow of heat exchanger.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is applied to the structural representation of crude oil transmission heating for the present invention;
Fig. 3 is a workflow diagram of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
Structural representation of the present invention as shown in Figure 1, its embodiment's schematic representation that is applied to crude oil transmission heating comprises as shown in Figure 2
Signal pickup assembly, by A/D acquisition module 1 and pulse counter module 2, and temperature transducer 11 that is electrically connected with A/D acquisition module 1 and pulse counter module 2 respectively and flow transducer 21 compositions;
The output actuating device, by output control module 3 and pid control module 4, and the water pump 31 that is electrically connected with output control module 3, solenoid valve 32, heat tape 33, alarm 34 and the electric control valve 41 that is electrically connected with pid control module 4 and burner 42 compositions;
Control module comprises processor and Logic control module, and control module can adopt industrial control rack 6.
Described A/D acquisition module 1, pulse counter module 2, output control module 3 and pid control module 4 are integrated into an industry control modular assembly 5, temperature transducer 11 is connected with industry control modular assembly 5 by temperature transmitter 12, and described industry control modular assembly 5 is electrically connected with industrial control rack 6.
Solar heat collector comprises: water storage box 7, be connected with water storage box 7 and can heat the water in the water storage box solar thermal collector 8, be connected the heat exchanger 9 that also can realize water/oily heat exchange simultaneously with water storage box 7 and crude oil transmission pipeline.
Industrial control rack 6 of the present invention can also be connected with the outer monitoring management system by network.
The described Logic control module of control module comprises solar energy heating control module and water storage box heat supply control module, and described solar energy heating control module also comprises solar energy heating water cycle control module and water/oily heat exchange control module.
Working procedure of the present invention comprises that solar thermal collector adds hot water circuit, water storage box heat supply circulation, heat exchanger temperature control, its fundamental diagram as shown in Figure 3, among the figure, T1 represents the inlet water temperature of solar thermal collector, the outlet water temperature that T2 represents solar thermal collector, the water temperature that T3 represents water storage box, the inlet water temperature that T4 represents heat exchanger, the outlet water temperature that T5 represents heat exchanger, the inlet oil temperature that T6 represents heat exchanger, the outlet oil temperature that T7 represents heat exchanger.
Described solar thermal collector adds hot water circuit and comprises:
(1), signal pickup assembly detects solar radiation quantity when sufficient, control module starts solar energy heating water cycle control module, control of pump and solar thermal collector work utilize the water in the solar thermal collector heating water storage box; Be higher than T18 ℃ of solar thermal collector inlet water temperature or above when signal pickup assembly detects solar thermal collector outlet water temperature T 2, continue to keep the work of solar energy heating water cycle control module;
(2), detect that solar thermal collector outlet water temperature T 2 is higher than warm T65 ℃ of heat exchanger entrance oil or when above when signal pickup assembly, start water/oily heat exchange control module simultaneously, control electromagnetic valve work, the hot water inflow heat exchanger that the solar thermal collector outlet is flowed out, hot water carries out heat exchange with low temperature crude oil in heat exchanger;
(3), when signal pickup assembly detects solar thermal collector outlet water temperature T 2 and is not higher than 3 ℃ of solar thermal collector inlet water temperature T1, stop solar energy heating water cycle control module;
Described water storage box heat supply circulation comprises:
When (A), enough hot water being arranged in signal pickup assembly detects water storage box and the temperature difference between solar thermal collector outlet water temperature T 2 and the oily warm T6 of heat exchanger entrance during less than 5 ℃, start water storage box heat supply control module, allow the water in the water storage box enter heat exchanger, utilize accumulation of heat and crude oil to carry out heat exchange;
(B), in the process of carrying out regenerative heat exchange, be higher than 5 ℃ of the oily temperature T6 of heat exchanger entrance or when above, then switch to the solar energy heating control module if signal pickup assembly detects solar thermal collector outlet water temperature T 2;
(C), when the temperature difference of the water temperature T 5 that detects heat exchanger exit when signal pickup assembly and the water temperature T 4 of heat exchanger entrance is not more than 1 ℃, stop solar energy heating control module and water storage box heat supply control module simultaneously, start burner to the crude oil heating of burning;
Described heat exchanger temperature control comprises: the flow of the circulating water by signal pickup assembly heat exchanging device detects, when the heat exchanger heating-up temperature is too high, the shunting of control module control hot water, make unnecessary hot water enter water storage box, if temperature is still too high, then suspend recycle pump, reduce circulating water flow by heat exchanger.
The control hot water shunting of heat exchanger temperature control of the present invention adopts PID to regulate control subsystem, and PID regulates the controlling method of control subsystem to temperature control employing ratio infinitesimal calculus, and concrete pid algorithm model is:
Wherein e (t) is the t current outer difference of failing the target temperature of temperature and requirement of crude oil constantly, and Kp is a proportionality constant.
Technological scheme two of the present invention can also comprise step (C), and described step (C) is:
Each of the present invention's energy real-time dynamic monitoring control module formed the runnability of module, and the alert if that sets in advance is checked, is not subjected to the influence of other system, thereby improves the reliability of system.If need the situation of warning, system will start acoustooptic alarm system.And be provided with the storage that the comprehensive platform database is used for data, the drafting of various data and curves, the printing of form.The storage data mainly contain: gas consumption, gas consumption curve, heat collector outlet temperature curve, water jacket furnace outlet temperature curve, heat exchanger outlet temperature curve, anomalous event daily record.
Claims (10)
1, a kind of control gear of solar heating in crude oil transmission is characterized in that comprising
The signal pickup assembly of detectable crude oil transmission place working environment parameter; With
The output actuating device of the startup solar heat collector that transmission is heated to crude oil; With
The reception environment parameter is also controlled the control module of solar heat collector;
Described control module is electrically connected with signal pickup assembly and output actuating device respectively.
2, the control gear of solar heating in crude oil transmission according to claim 1 is characterized in that described solar heat collector comprises:
Water storage box, be connected with water storage box and can heat the water in the water storage box solar thermal collector, be connected the heat exchanger that also can realize water/oily heat exchange simultaneously with water storage box and crude oil transmission pipeline.
3, the control gear of solar heating in crude oil transmission according to claim 1 and 2, it is characterized in that described signal pickup assembly comprises A/D acquisition module and pulse counter module, and the temperature transducer and the flow transducer that are electrically connected with A/D acquisition module and pulse counter module respectively.
4, the control gear of solar heating in crude oil transmission according to claim 3, it is characterized in that described output actuating device comprises output control module and pid control module, and the water pump that is electrically connected with output control module, solenoid valve and electric control valve that is electrically connected with pid control module and burner.
5, the control gear of solar heating in crude oil transmission according to claim 4, it is characterized in that described A/D acquisition module, pulse counter module, output control module and pid control module are integrated into an industry control modular assembly, described industry control modular assembly is electrically connected with control module.
6, the control gear of solar heating in crude oil transmission according to claim 5 is characterized in that described control module can be connected with the outer monitoring management system by network.
7, the control gear of solar heating in crude oil transmission according to claim 6, it is characterized in that described control module comprises processor and Logic control module, described Logic control module comprises solar energy heating control module and water storage box heat supply control module, and described solar energy heating control module also comprises solar energy heating water cycle control module and water/oily heat exchange control module.
8, a kind of controlling method that adopts the control gear of the described solar heating in crude oil transmission of claim 1 is characterized in that described controlling method comprises that solar thermal collector adds hot water circuit, water storage box heat supply circulation, heat exchanger temperature control,
Described solar thermal collector adds hot water circuit and comprises:
(1), signal pickup assembly detects solar radiation quantity when sufficient, control module starts solar energy heating water cycle control module, control of pump and solar thermal collector work utilize the water in the solar thermal collector heating water storage box; Be higher than 8 ℃ of solar thermal collector inlet water temperatures or above when signal pickup assembly detects solar thermal collector outlet water temperature, continue to keep the work of solar energy heating water cycle control module;
(2), detect that solar thermal collector outlet water temperature is higher than 5 ℃ of heat exchanger entrance oil temperature or when above when signal pickup assembly, start water/oily heat exchange control module simultaneously, control electromagnetic valve work, the hot water inflow heat exchanger that the solar thermal collector outlet is flowed out, hot water carries out heat exchange with low temperature crude oil in heat exchanger;
(3), when signal pickup assembly detects solar thermal collector outlet water temperature and is not higher than 3 ℃ of solar thermal collector inlet water temperatures, stop solar energy heating water cycle control module;
Described water storage box heat supply circulation comprises:
When (A), enough hot water being arranged in signal pickup assembly detects water storage box and the temperature difference between solar thermal collector outlet water temperature and the oily temperature of heat exchanger entrance during less than 5 ℃, start water storage box heat supply control module, allow the water in the water storage box enter heat exchanger, utilize accumulation of heat and crude oil to carry out heat exchange;
(B), in the process of carrying out regenerative heat exchange, be higher than 5 ℃ of the oil temperature of heat exchanger entrance or when above, then switch to the solar energy heating control module if signal pickup assembly detects solar thermal collector outlet water temperature;
Described heat exchanger temperature control comprises: the flow of the circulating water by signal pickup assembly heat exchanging device detects, when the heat exchanger heating-up temperature is too high, the shunting of control module control hot water, make unnecessary hot water enter water storage box, if temperature is still too high, then suspend recycle pump, reduce circulating water flow by heat exchanger.
9, the controlling method of solar heating in crude oil transmission according to claim 8, the control hot water shunting that it is characterized in that described heat exchanger temperature control adopts PID to regulate control subsystem, PID regulates the controlling method of control subsystem to temperature control employing ratio infinitesimal calculus, and concrete pid algorithm model is:
Wherein e (t) is the t current outer difference of failing the target temperature of temperature and requirement of crude oil constantly, and Kp is a proportionality constant.
10, the controlling method of solar heating in crude oil transmission according to claim 9 is characterized in that also comprising step (C), and described step (C) is:
When the temperature difference that detects the water temperature of the water temperature of heat exchanger exit and heat exchanger entrance when signal pickup assembly is not more than 1 ℃, stop solar energy heating control module and water storage box heat supply control module simultaneously, start burner the crude oil heating of burning.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100337618A CN100424407C (en) | 2005-03-25 | 2005-03-25 | Control apparatus and control method for solar heating in crude oil gathering and transportation |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100337618A CN100424407C (en) | 2005-03-25 | 2005-03-25 | Control apparatus and control method for solar heating in crude oil gathering and transportation |
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| CN1800697A true CN1800697A (en) | 2006-07-12 |
| CN100424407C CN100424407C (en) | 2008-10-08 |
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| CNB2005100337618A Expired - Fee Related CN100424407C (en) | 2005-03-25 | 2005-03-25 | Control apparatus and control method for solar heating in crude oil gathering and transportation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360232A (en) * | 2011-08-25 | 2012-02-22 | 南京邮电大学 | Light-tracking solar-powered mobile phone-controlled automatic heating method |
| CN101539240B (en) * | 2009-04-24 | 2012-11-14 | 西安长庆科技工程有限责任公司 | Crude oil mixed-transferring integrated device and method |
| CN103175189A (en) * | 2013-04-10 | 2013-06-26 | 南京工业大学 | Soft water preheating system of solar boiler |
| CN106015939A (en) * | 2016-05-10 | 2016-10-12 | 江苏利文机械有限公司 | Pipeline device for heating and conveying petroleum |
| CN104420850B (en) * | 2013-09-11 | 2017-02-08 | 中国石油天然气股份有限公司 | Well site crude 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 |
| CN110656912A (en) * | 2019-09-24 | 2020-01-07 | 中国石油天然气股份有限公司 | Oil field ground gathering and transferring system and gathering and transferring method |
| CN113551430A (en) * | 2021-07-30 | 2021-10-26 | 尚阳储能(北京)科技有限公司 | Solar heating method and equipment for crude oil |
-
2005
- 2005-03-25 CN CNB2005100337618A patent/CN100424407C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539240B (en) * | 2009-04-24 | 2012-11-14 | 西安长庆科技工程有限责任公司 | Crude oil mixed-transferring integrated device and method |
| CN102360232A (en) * | 2011-08-25 | 2012-02-22 | 南京邮电大学 | Light-tracking solar-powered mobile phone-controlled automatic heating method |
| CN102360232B (en) * | 2011-08-25 | 2013-08-07 | 南京邮电大学 | Light-tracking solar-powered mobile phone-controlled automatic heating method |
| CN103175189A (en) * | 2013-04-10 | 2013-06-26 | 南京工业大学 | Soft water preheating system of solar boiler |
| CN104420850B (en) * | 2013-09-11 | 2017-02-08 | 中国石油天然气股份有限公司 | Well site crude 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 |
| CN106015939A (en) * | 2016-05-10 | 2016-10-12 | 江苏利文机械有限公司 | Pipeline device for heating and conveying petroleum |
| CN110656912A (en) * | 2019-09-24 | 2020-01-07 | 中国石油天然气股份有限公司 | Oil field ground gathering and transferring system and gathering and transferring method |
| CN113551430A (en) * | 2021-07-30 | 2021-10-26 | 尚阳储能(北京)科技有限公司 | Solar heating method and equipment for crude oil |
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| Publication number | Publication date |
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| CN100424407C (en) | 2008-10-08 |
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