CN108224775B - Heat pump-electromagnetic induction composite crude oil heating device and control method thereof - Google Patents
Heat pump-electromagnetic induction composite crude oil heating device and control method thereof Download PDFInfo
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- CN108224775B CN108224775B CN201810101925.3A CN201810101925A CN108224775B CN 108224775 B CN108224775 B CN 108224775B CN 201810101925 A CN201810101925 A CN 201810101925A CN 108224775 B CN108224775 B CN 108224775B
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- 239000010779 crude oil Substances 0.000 title claims abstract description 57
- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000010521 absorption reaction Methods 0.000 claims abstract description 47
- 238000005338 heat storage Methods 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Abstract
The invention discloses a heat pump-electromagnetic induction composite crude oil heating device and a control method thereof, wherein a heat absorption side outlet of an evaporator is communicated with a heat emission side inlet of the condenser, the heat emission side outlet of the condenser is communicated with the heat absorption side inlet of the evaporator, the heat absorption side outlet of the condenser is sequentially divided into two paths through a temperature controller and a circulating pump, one path is communicated with an inlet of an electromagnetic heater through a first valve, the other path is communicated with an inlet of a heat storage heat exchange water tank through a second valve, an outlet of the electromagnetic heater is communicated with the inlet of the heat storage heat exchange water tank, an outlet of the heat storage heat exchange water tank is communicated with the heat absorption side inlet of the condenser, a crude oil coil is arranged in the heat storage heat exchange water tank, wherein a crude oil input pipeline is communicated with the inlet of the crude oil coil, a crude oil output pipeline is communicated with the outlet of the crude oil coil, the device and the control method thereof can realize original heating, and the device has lower power consumption and energy loss.
Description
Technical Field
The invention belongs to the technical field of oil field gathering and transportation heating in oil and gas ground engineering, and relates to a heat pump-electromagnetic induction composite crude oil heating device and a control method thereof.
Background
In the prior art, a large amount of electric energy is consumed in the crude oil heating process, and a heat pump is a device for preparing domestic hot water or industrial hot water by utilizing a refrigerant compression cycle driven by a compressor and transferring heat of a low-temperature heat source to heated water by adopting an electromagnetic induction heating device to heat crude oil. Common directly-heated heat pump water heating equipment has the defects of low output water temperature, high working energy consumption of a compressor and high heat loss due to structural design defects; the direct utilization of high-frequency electromagnetic induction heating has the advantages of high heating speed, safe and reliable water-electricity separation, but high power consumption.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a heat pump-electromagnetic induction composite crude oil heating device and a control method thereof.
In order to achieve the aim, the heat pump-electromagnetic induction composite crude oil heating device comprises an evaporator, a condenser, a temperature controller, a circulating pump, a first valve, an electromagnetic heater, a second valve, a heat storage and exchange water tank, a crude oil input pipeline and a temperature sensor for detecting the water temperature in the heat storage and exchange water tank;
The heat absorption side outlet of the evaporator is communicated with the heat emission side inlet of the condenser, the heat emission side outlet of the condenser is communicated with the heat absorption side inlet of the evaporator, the heat absorption side outlet of the condenser is divided into two paths after passing through a temperature controller and a circulating pump in sequence, one path is communicated with the inlet of the electromagnetic heater through a first valve, the other path is communicated with the inlet of the heat storage heat exchange water tank through a second valve, the outlet of the electromagnetic heater is communicated with the inlet of the heat storage heat exchange water tank, the outlet of the heat storage heat exchange water tank is communicated with the heat absorption side inlet of the condenser, a crude oil coil is arranged in the heat storage heat exchange water tank, a crude oil input pipeline is communicated with the inlet of the crude oil coil, and a crude oil output pipeline is communicated with the outlet of the crude oil coil;
The input end of the controller is connected with the output end of the temperature controller and the output end of the temperature sensor, and the output end of the controller is connected with the control ends of the first valve, the second valve and the electromagnetic heater.
The heat absorbing side outlet of the evaporator is communicated with the heat releasing side inlet of the condenser through the compressor.
The heat release side outlet of the condenser is communicated with the heat absorption side inlet of the evaporator through the restrictor.
A third valve is arranged between the temperature controller and the circulating pump.
A one-way valve is arranged between the first valve and the electromagnetic heater.
A pollution discharge instrument is arranged between the compressor and the heat release side inlet of the condenser.
The control method of the heat pump-electromagnetic induction composite crude oil heating device comprises the following steps:
The method comprises the steps that oil extraction water enters an evaporator heat release side to release heat, then flows out of the heat release side of the evaporator, high-temperature gas output by the heat absorption side of the evaporator is compressed by a compressor to form high-temperature high-pressure gas, then enters the heat release side of a condenser to release heat, then enters the heat absorption side of the evaporator to absorb heat to form high-temperature gas, hot water output by the heat absorption side of the condenser enters a circulating pump through a temperature controller, the temperature controller detects temperature information of hot water at an outlet of the heat absorption side of the condenser in real time, the temperature information of the hot water at the outlet of the heat absorption side of the condenser is sent to a controller, when the temperature of the hot water at the outlet of the heat absorption side of the condenser is higher than or equal to a preset temperature, a first valve is closed, water output by the circulating pump directly enters a heat storage heat exchange water tank, when the temperature of the hot water at the outlet of the heat absorption side of the condenser is lower than the preset temperature, the first valve is opened, the second valve is closed, the water output by the circulating pump enters an electromagnetic heater through the first valve, the temperature of the hot water at the outlet of the condenser is controlled by the electromagnetic heater to heat the electromagnetic heater, the temperature of the hot water at the outlet of the side of the condenser is heated by the electromagnetic heater, the hot water at the outlet of the heat exchange water at the outlet of the condenser is heated by the heat exchange water at the heat exchange side of the heat exchange water tank, and enters the heat storage water tank after the heat is heated by the heat exchange water at the heat of the heat tank;
Crude oil output from the crude oil input pipeline enters the crude oil coil pipe to absorb heat, and then is discharged through the crude oil output pipeline.
The invention has the following beneficial effects:
When the heat pump-electromagnetic induction composite crude oil heating device and the control method thereof are specifically operated, the crude oil is heated by the heat pump system by utilizing the heat of the oil field produced water based on the fact that the oil field produced water has a certain temperature, and when the heat provided by the heat pump system is insufficient, the electromagnetic heater is used for heating, so that a comprehensive heating system consisting of the heat pump and the electromagnetic heater is formed, the power consumption of crude oil heating is effectively reduced, and the energy loss, the energy consumption and the running cost are reduced.
Drawings
Fig.1 is a schematic structural view of the present invention.
The device comprises an evaporator 1, a compressor 2, a condenser 3, a sewage disposal instrument 4, a throttle 5, a temperature controller 6, a third valve 7, a circulating pump 8, a first valve 9, a one-way valve 10, an electromagnetic heater 11, a crude oil input pipeline 12, a crude oil output pipeline 13, a temperature sensor 14, a heat storage and heat exchange water tank 15, a second valve 16 and a controller 17.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
Referring to fig. 1, the heat pump-electromagnetic induction composite crude oil heating device of the invention comprises an evaporator 1, a condenser 3, a temperature controller 6, a circulating pump 8, a first valve 9, an electromagnetic heater 11, a second valve 16, a heat storage heat exchange water tank 15, a crude oil input pipeline 12 and a temperature sensor 14 for detecting the water temperature in the heat storage heat exchange water tank 15; the heat absorption side outlet of the evaporator 1 is communicated with the heat emission side inlet of the condenser 3, the heat emission side outlet of the condenser 3 is communicated with the heat absorption side inlet of the evaporator 1, the heat absorption side outlet of the condenser 3 is divided into two paths after passing through a temperature controller 6 and a circulating pump 8 in sequence, one path is communicated with the inlet of an electromagnetic heater 11 through a first valve 9, the other path is communicated with the inlet of a heat storage heat exchange water tank 15 through a second valve 16, the outlet of the electromagnetic heater 11 is communicated with the inlet of the heat storage heat exchange water tank 15, the outlet of the heat storage heat exchange water tank 15 is communicated with the heat absorption side inlet of the condenser 3, a crude oil coil is arranged in the heat storage heat exchange water tank 15, a crude oil input pipeline 12 is communicated with the inlet of the crude oil coil, and a crude oil output pipeline 13 is communicated with the outlet of the crude oil coil; the input end of the controller 17 is connected with the output end of the temperature controller 6 and the output end of the temperature sensor 14, and the output end of the controller 17 is connected with the control ends of the first valve 9, the second valve 16 and the electromagnetic heater 11.
The heat absorption side outlet of the evaporator 1 is communicated with the heat release side inlet of the condenser 3 through the compressor 2; the outlet of the heat release side of the condenser 3 is communicated with the inlet of the heat absorption side of the evaporator 1 through a throttle 5; a third valve 7 is arranged between the temperature controller 6 and the circulating pump 8; a one-way valve 10 is arranged between the first valve 9 and the electromagnetic heater 11; a blowdown device 4 is arranged between the compressor 2 and the heat release side inlet of the condenser 3.
The control method of the heat pump-electromagnetic induction composite crude oil heating device comprises the following steps:
The oil extraction water enters the heat release side of the evaporator 1 to release heat, then flows out of the heat release side of the evaporator 1, the high-temperature gas output by the heat absorption side of the evaporator 1 is compressed by the compressor 2 to form high-temperature high-pressure gas, then enters the heat release side of the condenser 3 to release heat, then enters the heat absorption side of the evaporator 1 to absorb heat to form high-temperature gas, the hot water output by the heat absorption side of the condenser 3 enters the circulating pump 8 through the temperature controller 6, the temperature controller 6 detects the temperature information of the hot water at the outlet of the heat absorption side of the condenser 3 in real time, the temperature information of the hot water at the outlet of the heat absorption side of the condenser 3 is sent to the controller 17, when the temperature of the hot water at the outlet of the heat absorption side of the condenser 3 is more than or equal to a preset temperature, the first valve 9 is closed, the second valve 16 is opened, water output by the circulating pump 8 directly enters the heat storage and heat exchange water tank 15, when the temperature of hot water at the outlet of the heat absorption side of the condenser 3 is smaller than a preset temperature, the first valve 9 is opened, the second valve 16 is closed, water output by the circulating pump 8 enters the electromagnetic heater 11 through the first valve 9, the controller 17 controls the electromagnetic heater 11 to heat the water in the electromagnetic heater 11 according to the temperature of the hot water at the outlet of the heat absorption side of the condenser 3, the water heated by the electromagnetic heater 11 enters the heat storage and heat exchange water tank 15, and the water in the heat storage and heat exchange water tank 15 enters the heat absorption side of the condenser 3 after heat exchange, and then absorbs heat in the heat absorption side of the condenser 3 to form hot water;
the crude oil output from the crude oil input pipeline 12 enters the crude oil coil pipe to absorb heat, and then is discharged through the crude oil output pipeline 13.
The electromagnetic heater 11 is a high-frequency electromagnetic heater, and the condenser 3 is a balance condenser; the pollution discharge instrument 4 is an electronic pollution removal instrument; the controller 17 automatically sets the gear of the electromagnetic heater 11 with multi-stage adjustment, achieves automatic regulation and control output, ensures the temperature of hot water, optimizes the operation of the unit and saves energy.
Claims (5)
1. The control method of the heat pump-electromagnetic induction composite crude oil heating device is characterized in that the heat pump-electromagnetic induction composite crude oil heating device comprises an evaporator (1), a condenser (3), a temperature controller (6), a circulating pump (8), a first valve (9), an electromagnetic heater (11), a second valve (16), a heat storage heat exchange water tank (15), a crude oil input pipeline (12) and a temperature sensor (14) for detecting the water temperature in the heat storage heat exchange water tank (15);
The heat absorption side outlet of the evaporator (1) is communicated with the heat emission side inlet of the condenser (3), the heat emission side outlet of the condenser (3) is communicated with the heat absorption side inlet of the evaporator (1), the heat absorption side outlet of the condenser (3) is divided into two paths after passing through a temperature controller (6) and a circulating pump (8) in sequence, one path is communicated with the inlet of the electromagnetic heater (11) through a first valve (9), the other path is communicated with the inlet of the heat storage heat exchange water tank (15) through a second valve (16), the outlet of the electromagnetic heater (11) is communicated with the inlet of the heat storage heat exchange water tank (15), the outlet of the heat storage heat exchange water tank (15) is communicated with the heat absorption side inlet of the condenser (3), a crude oil coil is arranged in the heat storage heat exchange water tank (15), the crude oil input pipeline (12) is communicated with the inlet of the crude oil coil, and the crude oil output pipeline (13) is communicated with the outlet of the crude oil coil;
the input end of the controller (17) is connected with the output end of the temperature controller (6) and the output end of the temperature sensor (14), and the output end of the controller (17) is connected with the control ends of the first valve (9), the second valve (16) and the electromagnetic heater (11);
The heat absorption side outlet of the evaporator (1) is communicated with the heat release side inlet of the condenser (3) through the compressor (2);
The method comprises the following steps:
The oil extraction water enters the heat release side of the evaporator (1) to release heat, then flows out of the heat release side of the evaporator (1), high-temperature gas output by the heat absorption side of the evaporator (1) is compressed by the compressor (2) to form high-temperature high-pressure gas, then enters the heat release side of the condenser (3) to release heat, then enters the heat absorption side of the evaporator (1) to absorb heat to form high-temperature gas, hot water output by the heat absorption side of the condenser (3) enters the circulating pump (8) through the temperature controller (6), the temperature controller (6) detects temperature information of hot water at the outlet of the heat absorption side of the condenser (3) in real time, and sends the temperature information of the hot water at the outlet of the heat absorption side of the condenser (3) to the controller (17), when the temperature of the hot water at the outlet of the heat absorption side of the condenser (3) is more than or equal to a preset temperature, the first valve (9) is closed, the second valve (16) is opened, the water output by the circulating pump (8) is directly enters the heat exchange water tank (15), when the temperature of the hot water at the outlet of the heat absorption side of the condenser (3) is less than the preset temperature, the first valve (16) is opened, the second valve (8) is opened, the electromagnetic heater (11) is controlled to heat the electromagnetic heater (11) according to the temperature of the electromagnetic heater (11) at the outlet of the heat storage water (11) at the first heater (11), the water heated by the electromagnetic heater (11) enters a heat storage and exchange water tank (15), the water in the heat storage and exchange water tank (15) enters the heat absorption side of the condenser (3) after heat exchange, and then absorbs heat in the heat absorption side of the condenser (3) to form hot water;
Crude oil output by the crude oil input pipeline (12) enters the crude oil coil pipe to absorb heat, and then is discharged through the crude oil output pipeline (13).
2. The control method of a heat pump-electromagnetic induction complex crude oil heating apparatus according to claim 1, characterized in that the heat release side outlet of the condenser (3) is communicated with the heat absorption side inlet of the evaporator (1) through the restrictor (5).
3. The control method of the heat pump-electromagnetic induction composite crude oil heating device according to claim 1, characterized in that a third valve (7) is arranged between the temperature controller (6) and the circulating pump (8).
4. The control method of a heat pump-electromagnetic induction composite crude oil heating device according to claim 1, characterized in that a one-way valve (10) is provided between the first valve (9) and the electromagnetic heater (11).
5. The control method of a heat pump-electromagnetic induction composite crude oil heating apparatus according to claim 1, characterized in that a blowdown apparatus (4) is provided between the compressor (2) and the heat release side inlet of the condenser (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101925.3A CN108224775B (en) | 2018-02-01 | Heat pump-electromagnetic induction composite crude oil heating device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101925.3A CN108224775B (en) | 2018-02-01 | Heat pump-electromagnetic induction composite crude oil heating device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108224775A CN108224775A (en) | 2018-06-29 |
| CN108224775B true CN108224775B (en) | 2024-06-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612906Y (en) * | 2002-11-22 | 2004-04-21 | 北京中油华能科技发展有限公司 | Sewage remaining heat recovery heat pump installation for petroleum production factory multi-purpose station |
| TWM455847U (en) * | 2013-02-01 | 2013-06-21 | Home Mark Co Ltd | Auxiliary heating control device for solar water heater |
| CN207936490U (en) * | 2018-02-01 | 2018-10-02 | 中国石油天然气股份有限公司 | A kind of heat pump-electromagnetic induction composite crude oil heating device |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612906Y (en) * | 2002-11-22 | 2004-04-21 | 北京中油华能科技发展有限公司 | Sewage remaining heat recovery heat pump installation for petroleum production factory multi-purpose station |
| TWM455847U (en) * | 2013-02-01 | 2013-06-21 | Home Mark Co Ltd | Auxiliary heating control device for solar water heater |
| CN207936490U (en) * | 2018-02-01 | 2018-10-02 | 中国石油天然气股份有限公司 | A kind of heat pump-electromagnetic induction composite crude oil heating device |
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