CN101280984A - Oilfield residual heat natural gas high temperature heat pump process - Google Patents
Oilfield residual heat natural gas high temperature heat pump process Download PDFInfo
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- CN101280984A CN101280984A CNA2008100157638A CN200810015763A CN101280984A CN 101280984 A CN101280984 A CN 101280984A CN A2008100157638 A CNA2008100157638 A CN A2008100157638A CN 200810015763 A CN200810015763 A CN 200810015763A CN 101280984 A CN101280984 A CN 101280984A
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Abstract
The invention relates to a process of utilizing natural gas heat pump technology to provide high temperature water by taking produced liquid of oil field produced liquid oil well or waste heat of oil field sewage as low grade energy, more particularly an oil field natural gas high temperature heat pump process. The invention provides a secure, environmentally-protecting, simple, reliable process with low running pressure, comparatively simple system and high efficiency. The process uses the oil field produced liquid or waste heat of the oil field sewage to obtain the low grade energy required by the heat pump via a heat exchanger, the heat pump applies the oil field natural gas as power force, the natural gas engine drives heat pump system of the heat pump compressor to reuse the heat energy after being heated by the natural gas heat pump. By adopting the process flow, the oil well produced liquid and the waste heat of the oil field sewage are used for providing hot water and are able to provide stead temperature in contrast to other heat sources.
Description
One, technical field:
The present invention relates to a kind of is low-grade energy with oil field mining liquid oil well produced liquid or oilfield sewage waste heat, utilize the natural gas heat pump techniques, hot industry water, dry water are provided or are the technology of building heating, especially a kind of oilfield residual heat natural gas high temperature heat pump process.
Two, prior art:
There is produced-water reinjection liquid and the oil well produced liquid after crude oil is separated in a large amount of oil fields in China, and only Shengli Oil Field is with regard to 400,000,000 tons/year, and this fluid temperature has higher value more than 30 degrees centigrade; Waste heat with oil well produced liquid, oilfield sewage is an energy sources, making full use of the oil field is power source than the natural gas resource of horn of plenty, with the natural gas engine is power, drive compression heat pump, 69 degrees centigrade to 90 degrees centigrade industry, heating hot water are provided, are used for crude oil exporting heating, the dehydration of crude oil, heat or the higher thermal source of drier for building.Adopt this technology, any energy no longer burns, accomplish safety, environmental protection, the harmonious environment thermal energy that utilizes, can reduce potential safety hazard, environment not had on the basis of any pollution, compare with tradition fire coal, combustion gas, fuel oil, electrical heating, heat pump, energy savings be more than 60%, and mechanical moving element is few, not fragile, the life-span is long, and maintenance is convenient.
Three, summary of the invention:
The object of the invention provides that a kind of safety, environmental protection, operating pressure are low, system is simple relatively, reliable, efficient is high, operating cost is low, corrosion-resistant, good antiscale property, can stablize air-conditioning or industry, the life technology with hot water is provided.
Oilfield residual heat natural gas high temperature heat pump process is to utilize oil well produced liquid or oilfield sewage waste heat, obtain the required low-grade energy of heat pump by heat exchanger, and this heat pump is to use the oil field natural gas as power, drive the heat pump system of heat pump compressor through natural gas engine, after the temperature raising of natural gas heat pump, heat is utilized again.Heat after the temperature raising of natural gas heat pump is used for perhaps, after the temperature raising of natural gas heat pump, with the heat transferred heat exchanger, providing heat through heat exchanger for heating crude oil, the dehydration of crude oil to building heating, required industrial hot water, drying plant.Valve-off 1, oilfield sewage be through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage conduct or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 with the natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water or other media that promote through heat pump reach 65 degrees centigrade to 95 degrees centigrade, and to heat exchanger 2 heat releases, after other medium heat releases of high-temperature-hot-water, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system of power through valve 6; Dewatered oil, outer output oil enter heat exchanger 2 through valve 9 and are heated, and enter multi-purpose station pipeline or gun barrel through valve 8.
Valve-off 1, oilfield sewage or oil well produced liquid, through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, be the building heating through valve 6, after the high-temperature-hot-water heat release, high-temperature-hot-water is the water after the building heating is put, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system continuation heating of power, circulates.
Valve-off 1, oilfield sewage or oil well produced liquid, through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, and after going into the drying box heat release, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system continuation heating of power, circulates through valve 6.
Valve-off 1, oilfield sewage or oil well produced liquid.Through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Secondly, be that water at low temperature (or other media) after the compression heat pump heat absorption of power is through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become the heat source water (or other media) of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The 3rd, the high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, replenishes the water source or circulate by valve 7 to enter the natural gas heat pump with the water of lowering the temperature.After adopting above-mentioned technological process, oil well produced liquid, oilfield sewage waste heat provide hot water, and it is warm to be used for industry, heating for residential area oil well produced liquid, oilfield sewage waste heat system, and the stability of heat source temperature has determined that the hot water temperature's is stable.Compare with other thermals source, oilfield extraction liquid oilfield sewage can provide stable temperature.
Four, description of drawings:
Accompanying drawing 1 is the flow chart of the embodiment of the invention 1;
Accompanying drawing 2 is the flow chart of the embodiment of the invention 2;
Accompanying drawing 3 is the flow chart of the embodiment of the invention 3;
Accompanying drawing 4 is the flow chart of the embodiment of the invention 4.
Five, in specific embodiment: embodiment 1, output oil heating outside or the dehydration of crude oil, being the energy with the heat of the isolated oilfield sewage of crude oil, is power source with the oil field natural gas, utilizes natural gas engine to be power, drives the compression type heat pump work.As Fig. 1, valve-off 1, oilfield sewage be through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage conduct or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 with the natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water or other media that promote through heat pump reach 65 degrees centigrade to 95 degrees centigrade, and to heat exchanger 2 heat releases, after other medium heat releases of high-temperature-hot-water, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system of power through valve 6; Dewatered oil, outer output oil enter heat exchanger 2 through valve 9 and are heated, and enter multi-purpose station pipeline or gun barrel through valve 8.
Embodiment 3, in drying plant is provided, be the energy with the heat of isolated oilfield sewage of crude oil or oil well produced liquid, be power source with the oil field natural gas, utilize natural gas engine to be power, drive the compression type heat pump work.Concrete technology sees Fig. 2 for details: at first, and valve-off 1, oilfield sewage or oil well produced liquid.Through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Secondly, be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The 3rd, the high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, and after going into the drying box heat release, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system continuation heating of power, circulates through valve 6.
Claims (6)
1, a kind of oilfield residual heat natural gas high temperature heat pump process, it is characterized in that: this technology is to utilize oil well produced liquid or oilfield sewage waste heat, obtain the required low-grade energy of heat pump by heat exchanger, and this heat pump is to use the oil field natural gas as power, drive the heat pump system of heat pump compressor through natural gas engine, after the temperature raising of natural gas heat pump, heat is utilized again.
2 oilfield residual heat natural gas high temperature heat pump process according to claim 1, it is characterized in that: the heat after the temperature raising of natural gas heat pump is used for to building heating, required industrial hot water, drying plant, perhaps, after the temperature raising of natural gas heat pump, with the heat transferred heat exchanger, provide heat for heating crude oil, the dehydration of crude oil through heat exchanger.
3, oilfield residual heat natural gas high temperature heat pump process according to claim 2 is characterized in that: valve-off 1, oilfield sewage be through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage conduct or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 with the natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water or other media that promote through heat pump reach 65 degrees centigrade to 95 degrees centigrade, and to heat exchanger 2 heat releases, after other medium heat releases of high-temperature-hot-water, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system of power through valve 6; Dewatered oil, outer output oil enter heat exchanger 2 through valve 9 and are heated, and enter multi-purpose station pipeline or gun barrel through valve 8.
4, oilfield residual heat natural gas high temperature heat pump process according to claim 3 is characterized in that: valve-off 1, oilfield sewage or oil well produced liquid, through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, be the building heating through valve 6, after the high-temperature-hot-water heat release, high-temperature-hot-water is the water after the building heating is put, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system continuation heating of power, circulates.
5, oilfield residual heat natural gas high temperature heat pump process according to claim 4 is characterized in that: valve-off 1, oilfield sewage or oil well produced liquid, through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Be that water at low temperature after the compression heat pump heat absorption of power or other media are through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become heat source water or other media of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, and after going into the drying box heat release, being recycled to the sky hot-air engine through valve 7 is the compression heat pump system continuation heating of power, circulates through valve 6.
6, oilfield residual heat natural gas high temperature heat pump process according to claim 5 is characterized in that: valve-off 1, oilfield sewage or oil well produced liquid.Through valve 2, to heat exchanger 1 heat release, through valve 3 from newly getting back to sewage or oil well produced liquid pipeline or sewage jar; Secondly, be that water at low temperature (or other media) after the compression heat pump heat absorption of power is through valve 4 by natural gas engine, behind heat exchanger 1 absorption heat, become the heat source water (or other media) of the required higher temperature of source heat pump heat, entering with the natural gas engine through valve 5 is the compression heat pump system of power, after the required thermal source of heat pump is provided, through valve 4 circulations; The 3rd, the high-temperature-hot-water that promotes through heat pump reaches 65 degrees centigrade to 95 degrees centigrade, replenishes the water source or circulate by valve 7 to enter the natural gas heat pump with the water of lowering the temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100157638A CN101280984A (en) | 2008-04-28 | 2008-04-28 | Oilfield residual heat natural gas high temperature heat pump process |
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| CNA2008100157638A CN101280984A (en) | 2008-04-28 | 2008-04-28 | Oilfield residual heat natural gas high temperature heat pump process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353166A (en) * | 2011-07-14 | 2012-02-15 | 北京时代博诚能源科技有限公司 | Low-temperature heat recovery process and system for oil field sewage |
| CN103075805A (en) * | 2013-02-01 | 2013-05-01 | 胜利油田胜利勘察设计研究院有限公司 | System for heating crude oil under joint action of heat pump for recovering oil field sewage residual heat and water jacket furnace |
| CN104964484A (en) * | 2015-08-01 | 2015-10-07 | 山东东德石油装备有限公司 | Multifunctional heating device of oil field double-source heat pump |
| CN106595128A (en) * | 2016-11-15 | 2017-04-26 | 西安交通大学 | Heat pump type crude oil dehydration and heating system and method |
-
2008
- 2008-04-28 CN CNA2008100157638A patent/CN101280984A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353166A (en) * | 2011-07-14 | 2012-02-15 | 北京时代博诚能源科技有限公司 | Low-temperature heat recovery process and system for oil field sewage |
| CN103075805A (en) * | 2013-02-01 | 2013-05-01 | 胜利油田胜利勘察设计研究院有限公司 | System for heating crude oil under joint action of heat pump for recovering oil field sewage residual heat and water jacket furnace |
| CN104964484A (en) * | 2015-08-01 | 2015-10-07 | 山东东德石油装备有限公司 | Multifunctional heating device of oil field double-source heat pump |
| CN106595128A (en) * | 2016-11-15 | 2017-04-26 | 西安交通大学 | Heat pump type crude oil dehydration and heating system and method |
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Open date: 20081008 |