CN113049279A - Vapor-liquid separation type medium-high temperature geothermal fluid experimental test system - Google Patents
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- CN113049279A CN113049279A CN202110222299.5A CN202110222299A CN113049279A CN 113049279 A CN113049279 A CN 113049279A CN 202110222299 A CN202110222299 A CN 202110222299A CN 113049279 A CN113049279 A CN 113049279A
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Abstract
The invention provides a vapor-liquid separation type medium-high temperature geothermal fluid experimental test system, which comprises a vapor generator, a water heater, a gas tank, a separator, a cooler, a condensed water circulating pump, a cooling water circulating pump, a condenser and a cooling tower, wherein the vapor generator is connected with the water heater; the steam generator is characterized in that a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the steam generator, a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the water heater, a flowmeter is arranged on an outlet pipeline of the gas tank, the steam generator, the water heater and an outlet pipeline of the gas tank are all connected with an inlet pipeline of the separator, and a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the separator. The invention can simulate the geothermal fluid with high precision.
Description
Technical Field
The invention belongs to the technical field of medium-high temperature geothermal energy productivity tests, and particularly relates to a vapor-liquid separation type medium-high temperature geothermal fluid experimental test system.
Background
Geothermal resources have a series of advantages of abundant reserves, wide distribution, small environmental pollution, reproducibility and the like. Compared with solar energy and wind energy, geothermal resources are not interfered by external factors such as seasons, climates, day and night changes and the like, and can be divided into high-temperature geothermal energy, medium-temperature geothermal energy and low-temperature geothermal energy according to the temperature range of the geothermal energy. The temperature of the low-temperature geothermal energy is generally lower than 90 ℃, the temperature of the medium-temperature geothermal energy is between 90 ℃ and 150 ℃, and the temperature of the high-temperature geothermal energy is higher than 150 ℃. It is generally considered that medium-high temperature geothermal resources have the meaning of geothermal power generation.
In recent years, development and utilization of medium-high temperature resources in heating, cooling, power generation, and the like have been increasingly widespread. Under ideal conditions, substances such as energy carrier water or steam are pumped out from the production well, and after the heat brought to the ground is used up, cold water is injected into the ground again, and the cold water is recycled.
Before the medium-high temperature geothermal resource area is developed and utilized, the heat storage capacity of the medium-high temperature geothermal resource in the area can be estimated by adopting a volume method, but the quantity of energy which can be effectively utilized in the development and utilization process is unknown. Therefore, it is necessary to accurately obtain the available energy of the heat-carrying fluid at the wellhead, which is used as a basic parameter for researching the key scientific and technical problems in the acquisition, conversion and efficient utilization of high-temperature geothermal resource energy, and helps us to understand the development potential of geothermal fields and effectively manage geothermal output.
Therefore, a technical solution for performing high-precision simulation on geothermal fluid to improve experimental accuracy and more accurately obtain the variation of each parameter of a geothermal heat source in the utilization process is needed in the prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing a vapor-liquid separation type medium-high temperature geothermal fluid experimental test system.
A vapor-liquid separation type medium-high temperature geothermal fluid experimental test system comprises a vapor generator, a water heater, a gas tank, a separator, a cooler, a condensate circulating pump, a cooling water circulating pump, a condenser and a cooling tower; the steam generator is characterized in that a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the steam generator, a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the water heater, a flowmeter is arranged on an outlet pipeline of the gas tank, outlet pipelines of the steam generator, the water heater and the gas tank are all connected with an inlet pipeline of the separator, a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the separator, a gas outlet pipeline of the separator is connected with a gas inlet of the condenser, a temperature sensor, a pressure sensor and a flowmeter are arranged on a gas outlet pipeline of the separator, a liquid outlet pipeline of the separator is connected with a gas inlet of the cooler, a temperature sensor, a pressure sensor and a flowmeter are arranged on a liquid outlet pipeline of the separator, the liquid outlet of the cooler and the liquid outlet pipeline of the condenser are connected with the inlet pipeline of the condensate circulating pump, the liquid outlet pipeline of the condenser is provided with a temperature sensor, a pressure sensor and a flowmeter, the gas outlet pipeline of the condenser is provided with a temperature sensor, a pressure sensor and a flowmeter, the inlet pipeline of the condensate circulating pump is provided with a temperature sensor, a pressure sensor and a flowmeter, the outlet pipeline of the condensate circulating pump is respectively connected with the inlet pipelines of the steam generator and the water heater, the outlet pipeline of the condensate circulating pump is provided with a temperature sensor and a pressure sensor, the cooling water outlet of the cooler and the cooling water outlet of the condenser are both connected with the inlet pipeline of the cooling tower, and the inlet pipeline of the cooling tower is provided with a temperature sensor, the outlet pipeline of the cooling tower is connected with the inlet of the cooling water circulating pump, the outlet pipeline of the cooling water circulating pump is respectively connected with the cooling water inlet of the cooler and the cooling water inlet pipeline of the condenser, a temperature sensor is arranged on the cooling water inlet pipeline of the condenser, and a temperature sensor is arranged on the outlet pipeline of the cooling water circulating pump.
The invention has the beneficial effects that:
1. be equipped with steam generator, and be equipped with the valve in the steam generator pipeline, the steam of steam generator output is arranged in the steam state fluid in the geothermal fluid among the simulation reality engineering, and the valve is used for controlling steam generator's steam flow.
2. The device is provided with a water heater, a valve is arranged in a pipeline of the water heater, hot water produced by the water heater is used for simulating liquid fluid in geothermal fluid in real engineering, and the valve is used for controlling the hot water flow of the water heater.
3. The steam generator pipeline and the water heater pipeline are communicated together through a three-way valve, and the valve of the steam generator pipeline and the valve of the water heater pipeline are jointly adjusted to simulate the dryness of the geothermal fluid.
4. Be equipped with the gas pitcher, and be equipped with the valve in the gas pitcher pipeline, the gas of gas pitcher output is arranged in the non-condensable gas in the ground hot-fluid among the simulation reality engineering, and the valve is used for controlling the gas flow of gas pitcher.
5. Be equipped with the condenser, can condense steam and the gas that gets into the condenser, the condenser adopts is shell and tube type heat exchanger, and the comdenstion water gets into the tube side, and steam and gas get into the shell side, and the steam condensation is liquid, and export discharge on the gas passes through the condenser.
6. The steam generator, the outlets of the water heater, the rear outlet of the three-way valve, the outlets of the separator and the outlets of the condenser are respectively provided with a temperature sensor, a pressure sensor and a flowmeter, wherein the temperature sensor and the pressure sensor are used for detecting the state of fluid in the pipe at different temperatures and different pressures, and the flowmeter is used for detecting the volume flow rate of the fluid in the pipeline.
Drawings
FIG. 1 is a system diagram of the present invention.
In the figure: 1-a steam generator; 2-a water heater; 3-a gas tank; 4-a separator; 5-a cooler; 6-a condensate circulating pump; 7-cooling water circulating pump; 8-a condenser; 9-cooling tower.
Detailed Description
The invention is further illustrated by the following specific embodiments.
The experimental test system for the steam-liquid separation type medium-high temperature geothermal fluid shown in fig. 1 comprises a steam generator 1, a water heater 2, a gas tank 3, a separator 4, a cooler 5, a condensed water circulating pump 6, a cooling water circulating pump 7, a condenser 8 and a cooling tower 9; a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the steam generator 1, a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the water heater 2, a flowmeter is arranged on an outlet pipeline of the gas tank 3, the outlet pipelines of the steam generator 1, the water heater 2 and the gas tank 3 are connected with an inlet pipeline of the separator 4 through a four-way valve, a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the separator 4, a gas outlet pipeline of the separator 4 is connected with a gas inlet of the condenser 8, a temperature sensor, a pressure sensor and a flowmeter are arranged on a gas outlet pipeline of the separator 4, a liquid outlet pipeline of the separator 4 is connected with a gas inlet of the cooler 5, a temperature sensor, a pressure sensor and a flowmeter are arranged on a liquid outlet pipeline of the separator 4, a liquid outlet of the cooler 5 and a liquid outlet pipeline of the condenser 8 The pipeline of the mouth is connected, a temperature sensor, a pressure sensor and a flowmeter are arranged on the liquid outlet pipeline of the condenser 8, a temperature sensor, a pressure sensor and a flowmeter are arranged on the gas outlet pipeline of the condenser 8, a temperature sensor, a pressure sensor and a flowmeter are arranged on the inlet pipeline of the condensate circulating pump 6, the outlet pipeline of the condensate circulating pump 6 is connected with the inlet pipelines of the steam generator 1 and the water heater 2 through a three-way valve, a temperature sensor and a pressure sensor are arranged on the outlet pipeline of the condensate circulating pump 6, the cooling water outlet of the cooler 5 and the cooling water outlet of the condenser 8 are both connected with the inlet pipeline of the cooling tower 9, a temperature sensor is arranged on the inlet pipeline of the cooling tower 9, the outlet pipeline of the cooling tower 9 is connected with the inlet of the cooling water circulating pump 7, the outlet pipeline of the cooling water circulating pump 7 is respectively connected with the cooling water inlet of the cooler 5, a temperature sensor is arranged on a cooling water inlet pipeline of the condenser 8, and a temperature sensor is arranged on an outlet pipeline of the cooling water circulating pump 7.
When the system is adopted to verify the productivity test of the medium-high temperature geothermal fluid, the functions of each part are as follows:
the steam generator 1 is used to simulate geothermal steam by adjusting the valve opening in the piping to control the amount of steam generated by the steam generator 1 in the system.
The water heater 2 is used for simulating geothermal water, and the amount of hot water generated by the water heater 2 in the system is controlled by adjusting the opening degree of a valve in a pipeline.
The gas tank 3 is used to simulate the presence of non-condensable gases in the geothermal fluid by adjusting the valve opening in the line to control the amount of gas exiting the gas tank 3 in the system.
The separator 4 provides a space for expanding the volume of the mixed fluid, and the fluid is subjected to flash evaporation through decompression and expansion, so that the mixed fluid is subjected to gas-liquid separation.
The working flow of the system is as follows:
the steam generator 1 generates steam, and the temperature, the pressure and the flow of the steam are respectively measured by a temperature sensor, a pressure sensor and a flowmeter; the hot water generated by the water heater 2 is respectively used for measuring the temperature, the pressure and the flow of the hot water through a temperature sensor, a pressure sensor and a flowmeter; the flow of the non-condensable gas provided by the gas tank 3 is measured by a flowmeter; the outlet pipelines of the steam generator 1 and the water heater 2 are provided with valves, and the valves are used for controlling the flow of steam and hot water by changing the opening degree of the valves and simulating the dryness of geothermal fluid. And a valve is arranged on an outlet pipeline of the gas tank 3, and the valve is used for controlling the flow of the gas by changing the opening of the valve and simulating the content of the non-condensable gas in the geothermal fluid.
The steam generated by the steam generator 1, the hot water generated by the water heater 2 and the gas discharged from the gas tank 3 are collected together and are conveyed into the separator 4 through the four-way valve, and a temperature sensor, a pressure sensor and a flow meter are arranged on an inlet pipeline of the separator 4 and are respectively used for measuring the temperature, the pressure and the flow of the mixed fluid entering the separator 4. The mixed fluid entering the separator 4 is decompressed and expanded in the separator 4, flash evaporation is carried out, and gas-liquid separation is realized; the separated steam and gas flow out through a gas outlet pipeline of the separator 4, and the temperature, pressure and flow of the separated steam and gas are respectively measured by a temperature sensor, a pressure sensor and a flow meter and then flow into the condenser 8.
The separated steam and gas are condensed by a condenser 8, the gas is discharged from a gas outlet pipeline of the condenser 8, and a temperature sensor, a pressure sensor and a flowmeter on the gas outlet pipeline of the condenser 8 respectively detect the temperature, the pressure and the flow of the gas; the separated steam is condensed into liquid condensate water in the condenser 8, and the condensate water flows out from a liquid outlet pipeline of the condenser 8; hot water flowing out of the liquid outlet pipeline of the separator 4 flows into the cooler 5 to be condensed after passing through the liquid outlet pipeline of the separator 4, and the temperature sensor, the pressure sensor and the flow meter on the liquid outlet pipeline of the separator 4 respectively measure the temperature, the pressure and the flow of the flowing hot water.
Condensed water flows out from a condensed water outlet of the cooler 5, is mixed with condensed water discharged from a condensed water outlet of the condenser 8, and is conveyed into a condensed water circulating pump 6 together through a three-way valve, and a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the condensed water circulating pump 6 and are used for measuring the temperature, the pressure and the flow of the mixed condensed water; the condensed water is pressurized by a condensed water circulating pump 6 and is returned to the steam generator 1 and the water heater 2 through a three-way valve. A pressure sensor and a thermometer are arranged on an outlet pipeline of the condensed water circulating pump 6 and are used for measuring the pressure and the temperature of the condensed water after pressurization.
The cooling water circulating pump 7 pressurizes the condensed water from the cooling tower 9, and sends the pressurized condensed water to the cooler 5 and the condenser 8 through the three-way valve, the condensed water is discharged from the cooling water outlet of the cooler 5 after being condensed in the cooler 5, the condensed water is discharged from the cooling water outlet of the condenser 8 after being condensed in the condenser 8, the cooled water from the cooler 5 and the cooled water from the condenser 8 are mixed and then are sent to the cooling tower 9 through the three-way valve, and a thermometer is arranged on an inlet pipeline of the cooling tower 9 and used for measuring the temperature of the cooled water.
When the simulated geothermal fluid is dry steam type geothermal fluid, a valve on an outlet pipeline of the steam generator 1 is opened, a valve on an outlet pipeline of the water heater 2 is closed, and the opening degree of the valve on the outlet pipeline of the gas tank 3 is adjusted to simulate the content of non-condensable gas in the geothermal fluid according to specific conditions.
When the simulated geothermal fluid is wet steam type geothermal fluid, the valves on the outlet pipelines of the steam generator 1 and the water heater 2 are opened, and the opening degree of the valve on the outlet pipeline of the gas tank 3 is adjusted to simulate the content of non-condensable gas in the geothermal fluid according to specific conditions.
When the simulated geothermal fluid is hot water type geothermal fluid, the valve on the outlet pipeline of the steam generator 1 is closed, the valve on the outlet pipeline of the water heater 2 is opened, and the opening degree of the valve on the outlet pipeline of the gas tank 3 is adjusted, so that the content of the non-condensable gas in the geothermal fluid is simulated according to specific conditions.
The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and those skilled in the art can make several variations and modifications without departing from the inventive concept of the present invention, which fall into the protection scope of the present invention.
Claims (1)
1. A vapor-liquid separation type medium-high temperature geothermal fluid experimental test system is characterized by comprising a vapor generator (1), a water heater (2), a gas tank (3), a separator (4), a cooler (5), a condensate circulating pump (6), a cooling water circulating pump (7), a condenser (8) and a cooling tower (9); the device is characterized in that a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the steam generator (1), a temperature sensor, a pressure sensor and a flowmeter are arranged on an outlet pipeline of the water heater (2), a flowmeter is arranged on an outlet pipeline of the gas tank (3), the steam generator (1), the water heater (2) and the outlet pipeline of the gas tank (3) are all connected with an inlet pipeline of the separator (4), a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the separator (4), a gas outlet pipeline of the separator (4) is connected with a gas inlet of the condenser (8), a temperature sensor, a pressure sensor and a flowmeter are arranged on a gas outlet pipeline of the separator (4), a liquid outlet pipeline of the separator (4) is connected with a gas inlet of the cooler (5), the device is characterized in that a temperature sensor, a pressure sensor and a flowmeter are arranged on a liquid outlet pipeline of the separator (4), a liquid outlet of the cooler (5) and a liquid outlet pipeline of the condenser (8) are connected with an inlet pipeline of the condensed water circulating pump (6), a temperature sensor, a pressure sensor and a flowmeter are arranged on a liquid outlet pipeline of the condenser (8), a temperature sensor, a pressure sensor and a flowmeter are arranged on a gas outlet pipeline of the condenser (8), a temperature sensor, a pressure sensor and a flowmeter are arranged on an inlet pipeline of the condensed water circulating pump (6), an outlet pipeline of the condensed water circulating pump (6) is connected with inlet pipelines of the steam generator (1) and the water heater (2) respectively, a temperature sensor and a pressure sensor are arranged on an outlet pipeline of the condensed water circulating pump (6), the cooling water outlet of cooler (5) with the cooling water outlet of condenser (8) all with the inlet pipe connection of cooling tower (9), be provided with temperature sensor on the import pipeline of cooling tower (9), the outlet pipeline of cooling tower (9) with the inlet connection of cooling water circulating pump (7), the outlet pipeline of cooling water circulating pump (7) respectively with the cooling water inlet of cooler (5) with the cooling water inlet pipe connection of condenser (8), be provided with temperature sensor on the cooling water import pipeline of condenser (8), be provided with temperature sensor on the outlet pipeline of cooling water circulating pump (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111030124.0A CN113686391A (en) | 2021-02-28 | 2021-02-28 | Vapor-liquid separation type medium-high temperature geothermal fluid experimental test system |
| CN202110222299.5A CN113049279B (en) | 2021-02-28 | 2021-02-28 | Vapor-liquid separation type medium-high temperature geothermal fluid experimental test system |
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| CN202110222299.5A CN113049279B (en) | 2021-02-28 | 2021-02-28 | Vapor-liquid separation type medium-high temperature geothermal fluid experimental test system |
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| CN202110222299.5A Active CN113049279B (en) | 2021-02-28 | 2021-02-28 | Vapor-liquid separation type medium-high temperature geothermal fluid experimental test system |
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| JP2004346762A (en) * | 2003-05-20 | 2004-12-09 | Mitsubishi Materials Corp | Analyzer, analysis method, and program for geothermal fluid circulation system |
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2021
- 2021-02-28 CN CN202111030124.0A patent/CN113686391A/en active Pending
- 2021-02-28 CN CN202110222299.5A patent/CN113049279B/en active Active
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| JP2004346762A (en) * | 2003-05-20 | 2004-12-09 | Mitsubishi Materials Corp | Analyzer, analysis method, and program for geothermal fluid circulation system |
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| CN113049279B (en) | 2022-04-19 |
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