CN212483431U - Saturated steam dryness measuring device for steam injection boiler of oil field - Google Patents
Saturated steam dryness measuring device for steam injection boiler of oil field Download PDFInfo
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- CN212483431U CN212483431U CN202021018028.5U CN202021018028U CN212483431U CN 212483431 U CN212483431 U CN 212483431U CN 202021018028 U CN202021018028 U CN 202021018028U CN 212483431 U CN212483431 U CN 212483431U
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Abstract
The utility model relates to a technical field is measured to oil field steam injection boiler with saturated steam quality, is an oil field steam injection boiler with saturated steam quality measuring device, and it includes sampler, heat exchanger and blender, and fixed intercommunication has the air inlet pipeline between sampler and the import of heat exchanger high temperature side, and fixed intercommunication has comdenstion water outlet pipe line between the export of heat exchanger high temperature side and the import of blender, and the fixed intercommunication of heat exchanger top low temperature side import has the super-cooled water inlet pipe line. The utility model has reasonable and compact structure and convenient use, and can obtain more real saturated steam through accurate sampling, so that the sampled saturated steam quality has no error with the actual steam quality of the boiler; the utility model discloses utilize the law of conservation of energy, become the comdenstion water with saturated steam through the mode of condensation, then the actual steam quality of boiler of calculation that the volume of the super-cooled water through consumption can be accurate again, have safety, laborsaving, simple and convenient, efficient characteristics.
Description
Technical Field
The utility model relates to an oil field steam injection boiler measures technical field with saturated steam quality, is an oil field steam injection boiler measures with saturated steam quality device.
Background
The thick oil is mainly mined in a steam driving and steam huff and puff mode, and the steam has the effect of heating underground thick oil by utilizing heat carried by the steam to enable the thick oil to have certain fluidity. The production measures can be made in a targeted manner only by mastering the characteristics of the injected steam. Under the condition of a certain temperature, the heat quantity carried by the steam with different dryness is greatly different. The existing steam dryness testing device for the steam injection boiler in the oil field is mainly used for obtaining the dryness of steam after the content of dry saturated steam and the proportion of liquid water are measured by separating steam from water of the saturated steam. Because the existing small sampling steam-water separation device has incomplete separation, low efficiency and loss of pipeline heat dissipation, the sampled steam dryness has an error with the actual boiler dryness, and therefore, the tested steam dryness is inaccurate; the steam dryness calculated by the operation parameters of the steam injection boiler in the oil field can also be subject to the heat absorption of each part and cannot be accurately measured, the theoretically calculated numerical value is different from the actual operation working condition, and different dryness values exist under the same saturated steam temperature and pressure, so the calculated steam dryness is also inaccurate.
Disclosure of Invention
The utility model provides a steam boiler is annotated with saturated steam quality measuring device in oil field has overcome above-mentioned prior art not enough, and it can effectively solve the unsafe problem of saturated steam quality measurement that current steam boiler steam quality testing arrangement exists is annotated in oil field.
The technical scheme of the utility model is realized through following measure: the utility model provides an oil field steam injection is saturated steam quality measuring device for boiler, includes sampler, heat exchanger and blender, and fixed intercommunication has the inlet line between sampler and the heat exchanger high temperature side import, and fixed intercommunication has comdenstion water outlet pipe line between heat exchanger high temperature side export and the blender import, and the fixed intercommunication of heat exchanger top low temperature side import has super-cooled water inlet pipe line, and fixed intercommunication has super-cooled water outlet pipe line between heat exchanger bottom low temperature side export and the import of blender lower part, and the fixed intercommunication of blender export has mixed liquid outlet pipe line.
The following are further optimization or/and improvement of the technical scheme of the utility model:
at least one first stop valve is fixedly installed on the air inlet pipeline, and a third flow meter is arranged on the air inlet pipeline between the first stop valve and the inlet of the heat exchanger.
The supercooled water inlet pipeline is provided with a temperature transmitter II and a pressure transmitter II respectively, at least one stop valve II is fixedly installed on the supercooled water inlet pipeline between the pressure transmitter II and the top inlet of the heat exchanger, and a flow meter II is arranged on the supercooled water inlet pipeline between the stop valve II and the top inlet of the heat exchanger.
A first pressure transmitter, a first temperature transmitter and a first flowmeter are respectively arranged on the mixed liquid outlet pipeline.
The utility model has reasonable and compact structure and convenient use, and can obtain more real saturated steam through accurate sampling, so that the sampled saturated steam quality has no error with the actual steam quality of the boiler; the utility model discloses utilize the law of conservation of energy, become the comdenstion water with saturated steam through the mode of condensation, then the actual steam quality of boiler of calculation that the volume of the super-cooled water through consumption can be accurate again, have safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: the system comprises a gas inlet pipeline 1, a sampler 2, a stop valve I3, a heat exchanger 4, a mixer 5, a mixed liquid outlet pipeline 6, a flow meter I7, a temperature transmitter I8, a pressure transmitter I9, a stop valve II 10, a supercooled water inlet pipeline 11, a temperature transmitter II 12, a pressure transmitter II 13, a flow meter II 14, a flow meter III 15, a supercooled water outlet pipeline 16 and a condensed water outlet pipeline 17.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached figure 1, the saturated steam dryness measuring device for the steam injection boiler in the oil field comprises a sampler 2, a heat exchanger 4 and a mixer 5, wherein an air inlet pipeline 1 is fixedly communicated between the sampler 2 and a high-temperature side inlet of the heat exchanger 4, a condensed water outlet pipeline 17 is fixedly communicated between a high-temperature side outlet of the heat exchanger 4 and an inlet of the mixer 5, a supercooled water inlet pipeline 11 is fixedly communicated between a top low-temperature side inlet of the heat exchanger 4, a supercooled water outlet pipeline 16 is fixedly communicated between a bottom low-temperature side outlet of the heat exchanger 4 and a lower inlet of the mixer 5, and a mixed liquid outlet pipeline 6 is fixedly communicated between an outlet of the.
The utility model discloses a sampler 2, get saturated steam among the oil field steam injection boiler saturated steam outlet pipeline and carry to heat exchanger 4, and the super-cooled water of carrying with super-cooled water inlet pipeline 11 carries out the heat transfer in heat exchanger 4, use the heat transfer area of heat exchanger 4 as the benchmark, accessible valve adjustment control saturated steam's flow and super-cooled water's flow, guarantee that the whole condensation of saturated steam is the comdenstion water, super-cooled water also does not vaporize, condensate water and super-cooled water after the heat transfer intensive mixing in blender 5, detect the temperature of mixed liquid in the export of blender 5, pressure and flow, mixed liquid retrieval and utilization in blender 5 to boiler or other usage, combine saturated steam, super-cooled water and mixed liquid's temperature, pressure and flow, utilize the accurate dryness fraction that calculates oil field steam injection boiler outlet steam of energy conservation law.
The utility model discloses can take out the inside saturated steam of saturated steam outlet pipeline through sampler 2, can obtain truer saturated steam for the saturated steam quality and the actual steam quality of boiler of sample are error-free.
The utility model discloses utilize the law of conservation of energy, become the comdenstion water with saturated steam through the mode of condensation, then can be accurate through the volume of the super-cooled water of consumption calculate the actual steam quality of boiler again, it can effectual solution current oil field steam injection boiler steam quality testing arrangement because of the steam-water separation of saturated steam not thorough, inefficiency and pipeline radiating loss cause measuring error's problem, have safety, laborsaving, simple and convenient, efficient characteristics.
The utility model discloses install on the saturated steam outlet pipeline of oil field steam injection boiler, can be accurate sample and measure the dryness fraction of oil field steam injection boiler export steam to utilize the heat heating underground viscous crude that steam carried, can improve viscous crude output, reduce cost.
The utility model discloses can reduce the volume of whole device with the inside of heat exchanger 4 embedding mixer 5, can merge this device modularization into the control system of boiler, realize automatic operation, can the quality of saturated steam in the real-time supervision saturated steam outlet pipeline.
The saturated steam dryness measuring device for the steam injection boiler in the oil field can be further optimized or/and improved according to actual needs:
as shown in fig. 1, at least one stop valve one 3 is fixedly installed on the air inlet pipeline 1, and a flow meter three 15 is arranged on the air inlet pipeline 1 between the stop valve one 3 and the inlet of the heat exchanger 4.
The utility model discloses parameter like pressure and temperature to the saturated steam of difference, through the aperture of adjusting stop valve 3 to measure the flow of saturated steam by flowmeter three 15.
As shown in the attached figure 1, a second temperature transmitter 12 and a second pressure transmitter 13 are respectively arranged on the supercooled water inlet pipeline 11, at least one second stop valve 10 is fixedly arranged on the supercooled water inlet pipeline 11 between the second pressure transmitter 13 and the top inlet of the heat exchanger 4, and a second flow meter 14 is arranged on the supercooled water inlet pipeline 11 between the second stop valve 10 and the top inlet of the heat exchanger 4.
The utility model discloses the aperture of subcooled water through adjusting two 10 of stop valves to measure the flow of subcooled water by two 14 of flowmeter, measure the temperature and the pressure of subcooled water by two 12 of temperature transmitter and two 13 of pressure transmitter.
As shown in fig. 1, a pressure transmitter 9, a temperature transmitter 8 and a flowmeter 7 are respectively arranged on the mixed liquid outlet pipeline 6.
The utility model discloses to mix the back in blender 5 with condensate water and super-cooled water after the heat transfer, measure flow, temperature and the pressure of the mixed liquid after mixing by pressure transmitter 9, temperature transmitter 8 and flowmeter 7.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
The utility model discloses best embodiment's use: the sampler 4 extracts saturated steam from a saturated steam outlet pipeline, the flow of the saturated steam is regulated by a first stop valve 3 on an air inlet pipeline 1, the saturated steam is metered by a third flowmeter 15 and then enters a heat exchanger 4, supercooled water is subjected to temperature and pressure measurement by a second temperature transmitter 12 and a second pressure transmitter 13 on a supercooled water inlet pipeline 11, the flow of the supercooled water is regulated by a second stop valve 10, the supercooled water is metered by a second flowmeter 14 and then enters the heat exchanger 4, the saturated steam and the supercooled water exchange heat in the heat exchanger 4, the opening degree of the first stop valve 3 and the second stop valve 10 is regulated by taking the heat exchange area of the heat exchanger 4 as a reference, the flow of the saturated steam and the supercooled water is regulated, the saturated steam is ensured to be completely condensed into condensed water, the supercooled water is not vaporized, the condensed water after heat exchange enters a mixer 5 through a condensed water outlet pipeline 17, after the condensed water and the supercooled water after heat exchange are fully mixed in the mixer 5, the mixed liquid is metered by the first pressure transmitter 9, the first temperature transmitter 8 and the first flowmeter 7 respectively, then flows out through the mixed liquid outlet pipeline 6 and is recycled into a boiler, and the dryness of the saturated steam is calculated by combining the temperature, the pressure and the flow of the saturated steam, the supercooled water and the mixed liquid through the law of energy conservation.
Claims (5)
1. The utility model provides a saturated steam quality measuring device for oil field steam injection boiler, its characterized in that includes sampler, heat exchanger and blender, and fixed intercommunication has the inlet line between sampler and the heat exchanger high temperature side import, and fixed intercommunication has comdenstion water outlet pipe line between heat exchanger high temperature side export and the blender import, and the fixed intercommunication of heat exchanger top low temperature side import has supercooled water inlet pipe line, and fixed intercommunication has supercooled water outlet pipe line between heat exchanger bottom low temperature side export and the import of blender lower part, and the fixed intercommunication of blender export has mixed liquid outlet pipe line.
2. The saturated steam dryness measuring device for the steam injection boiler in the oil field as claimed in claim 1, wherein at least one first stop valve is fixedly installed on the gas inlet line, and a third flow meter is arranged on the gas inlet line between the first stop valve and the inlet of the heat exchanger.
3. The device for measuring the dryness of the saturated steam for the steam injection boiler in the oil field according to the claim 1 or 2, characterized in that a second temperature transmitter and a second pressure transmitter are respectively arranged on a supercooled water inlet pipeline, at least one second stop valve is fixedly arranged on the supercooled water inlet pipeline between the second pressure transmitter and the top inlet of the heat exchanger, and a second flowmeter is arranged on the supercooled water inlet pipeline between the second stop valve and the top inlet of the heat exchanger.
4. The device for measuring the dryness of the saturated steam for the steam injection boiler in the oil field according to claim 1 or 2, wherein a first pressure transmitter, a first temperature transmitter and a first flowmeter are respectively arranged on the mixed liquid outlet pipeline.
5. The saturated steam dryness measuring device for the steam injection boiler in the oil field as claimed in claim 3, wherein a first pressure transmitter, a first temperature transmitter and a first flowmeter are respectively arranged on the mixed liquid outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021018028.5U CN212483431U (en) | 2020-06-05 | 2020-06-05 | Saturated steam dryness measuring device for steam injection boiler of oil field |
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| CN202021018028.5U CN212483431U (en) | 2020-06-05 | 2020-06-05 | Saturated steam dryness measuring device for steam injection boiler of oil field |
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| CN212483431U true CN212483431U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219547A (en) * | 2021-04-14 | 2022-10-21 | 中国石油天然气股份有限公司 | Wellhead steam dryness monitoring device and wellhead steam dryness monitoring method |
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2020
- 2020-06-05 CN CN202021018028.5U patent/CN212483431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219547A (en) * | 2021-04-14 | 2022-10-21 | 中国石油天然气股份有限公司 | Wellhead steam dryness monitoring device and wellhead steam dryness monitoring method |
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