Geothermal water three-phase separation detection device

Abstract

The utility model provides a geothermal water three-phase separation detection device. The geothermal water three-phase separation detection device comprises a water storage tank, a filtering structure and a gas detector, the water storage tank is provided with a water storage cavity, and a water inlet, a water outlet and an air outlet located above the water outlet which are communicated with the water storage cavity are formed in the water storage tank. The filtering structure is connected with the water inlet and can filter silt carried in geothermal water. The gas detector is connected with the gas outlet and can detect gas components in geothermal water. According to the geothermal water three-phase separation detection device, three-phase separation of geothermal water can be guaranteed at the same time, air can be prevented from being mixed in the gas detection process, the detection effect is guaranteed, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of geothermal equipment, and particularly relates to a geothermal water three-phase separation detection device. Background Art

[0002] Geothermal energy, as a new type of clean energy, has a large storage capacity, is renewable, and has a broad development prospect. However, the geothermal water from the heat reservoir contains a small amount of sediment. When the geothermal water rises to the wellhead, due to the pressure reduction, the geothermal water will be in a state of a two-phase mixture of steam and liquid, and the non-condensable gas originally dissolved in the water will also escape. Therefore, it is necessary to detect and analyze the gas components in the geothermal water, which is of great significance for the evaluation and development of geothermal resources, and is also of great importance for safety and environmental management.

[0003] In the prior art, for the detection of geothermal water, usually the geothermal water is first collected, and then the geothermal water is transferred to the detection equipment to detect the gas in the geothermal water. This process involves the collection of geothermal water at the wellhead and the transfer of the collection container, and often air will be mixed in, affecting the detection effect. Moreover, during the collection of geothermal water, impurities such as sediment will enter the collection container, which will cause certain damage to the detection equipment and has poor practicability. Summary of the Utility Model

[0004] An embodiment of the utility model provides a geothermal water three-phase separation detection device, aiming to solve the problem of poor practicability of the existing method for detecting geothermal water.

[0005] To achieve the above object, the technical solution adopted by the utility model is: to provide a geothermal water three-phase separation detection device, including:

[0006] A water storage tank having a water storage chamber, and the water storage tank is provided with a water inlet, a water outlet communicated with the water storage chamber, and a gas outlet located above the water outlet;

[0007] A filtering structure connected to the water inlet for filtering the sediment carried in the geothermal water;

[0008] A gas detector connected to the gas outlet for detecting the gas components in the geothermal water.

[0009] In a possible implementation manner, the filtering structure is a Y-shaped filter.

[0010] In a possible implementation manner, the gas outlet is provided with a waterproof breathable membrane.

[0011] In a possible implementation manner, the geothermal water three-phase separation detection device further includes:

[0012] A solenoid valve, which is arranged at the water outlet;

[0013] A water pressure sensor, which is arranged in the water storage cavity and is located at the water outlet;

[0014] A supporting controller.

[0015] In a possible implementation manner, the water inlet is located at one end of the water storage tank, and the water outlet and the gas outlet are located at the other end of the water storage tank;

[0016] Wherein, a partition plate is arranged in the water storage cavity, and the partition plate divides the water storage cavity into an inlet space and a water storage space, and the tops of the inlet space and the water storage space are communicated.

[0017] In a possible implementation manner, the partition plate is arranged obliquely, with the bottom end of the partition plate close to the water outlet and the top end close to the water inlet.

[0018] In this implementation manner, the filtering structure can be communicated with the outlet pipeline of the geothermal well, and can directly filter the geothermal water entering the water storage tank to ensure the removal of sediment. At the same time, the water storage tank can ensure the gas-liquid separation of the entering geothermal water, and enable the gas to directly enter the gas detector through the gas outlet, and enable the liquid to be directly led out through the water outlet. This structure can ensure the three-phase separation of geothermal water at the same time, and can avoid the mixing of air during the gas detection process, ensure the detection effect, and has strong practicability. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the geothermal water three-phase separation detection device provided by the embodiment of the present invention;

[0020] Description of the Reference Numerals:

[0021] 10. Water storage tank; 11. Inlet space; 12. Water storage space; 13. Partition plate; 14. Water outlet; 15. Gas outlet; 151. Waterproof breathable membrane; 16. Water inlet;

[0022] 20. Filtering structure;

[0023] 30. Gas detector;

[0024] 40. Solenoid valve;

[0025] 50. Water pressure sensor;

[0026] 60. Geothermal well. Detailed Embodiment

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0028] Please refer to Figure 1 , and now the geothermal water three-phase separation detection device provided by the present utility model will be described. The geothermal water three-phase separation detection device includes a water storage tank 10, a filtering structure 20 and a gas detector 30. The water storage tank 10 has a water storage cavity, and the water storage tank 10 is provided with a water inlet 16, a water outlet 14 and an air outlet 15 located above the water outlet 14 that communicate with the water storage cavity. The filtering structure 20 is connected to the water inlet 16 and can filter the sediment carried in the geothermal water. The gas detector 30 is connected to the air outlet 15 and can detect the gas components in the geothermal water.

[0029] Compared with the prior art, for the geothermal water three-phase separation detection device provided in this embodiment, the filtering structure 20 can be connected to the water outlet pipeline of the geothermal well 60, and can directly filter the geothermal water entering the water storage tank 10 to ensure the removal of sediment. At the same time, the water storage tank 10 can ensure the gas-liquid separation of the incoming geothermal water, and enable the gas to directly enter the gas detector 30 through the air outlet 15, and at the same time enable the liquid to be directly led out from the water outlet 14. This structure can ensure the three-phase separation of geothermal water at the same time, and can avoid the mixing of air during the gas detection, ensuring the detection effect and strong practicability.

[0030] It should be noted that a water outlet pipeline is usually provided at the wellhead of the geothermal well 60. The filtering structure 20 can be directly connected to the water outlet pipeline, and water supply is carried out through the pressure pump at the wellhead. This structure and this method are well known to those skilled in the art and will not be elaborated here.

[0031] In addition, in this embodiment, the gas detector 30 can be a semiconductor gas sensor, or an infrared gas sensor, or a laser gas sensor, etc. The above gas detectors 30 are all prior art and will not be elaborated here.

[0032] In some embodiments, the above filtering structure 20 can adopt the structure as Figure 1 shown. Refer to Figure 1 , and the filtering structure 20 is a Y-type filter.

[0033] The Y-type filter is a small device for removing a small amount of solid particles from liquids, which can protect the normal operation of the device. When the fluid enters the filter cartridge with a certain specification filter screen, its impurities are blocked, and the clean filtrate is discharged from the outlet of the filter. When cleaning is required, just remove the detachable filter cartridge, and reinstall it after processing, which is extremely convenient for use and maintenance. This structure can ensure the removal of sediment in geothermal water and avoid damage to the gas detector 30 caused by sediment.

[0034] In some embodiments, the above-mentioned water outlet 14 can adopt the structure as Figure 1 shown. Refer to Figure 1 . The air outlet 15 is provided with a waterproof and breathable membrane 151. The waterproof and breathable membrane 151 can intercept the liquid or water vapor in the water storage tank 10, thereby ensuring the detection effect of the gas.

[0035] The waterproof and breathable membrane 151 can be composed of PP spunbond non-woven fabric, PE high-molecular breathable membrane, and PP spunbond non-woven fabric. The main function of the spunbond non-woven fabric is to enhance the tensile strength, hydrostatic pressure, and protect the middle layer (breathable membrane). The real air permeability mainly depends on the middle layer PE high-molecular breathable membrane. This technology is well-known to those skilled in the art and will not be elaborated here.

[0036] In some embodiments, refer to Figure 1 . The geothermal water three-phase separation detection device further includes a solenoid valve 40, a water pressure sensor 50, and a supporting controller. The solenoid valve 40 is arranged at the water outlet 14. The water pressure sensor 50 is arranged in the water storage cavity and is located at the water outlet 14.

[0037] The pressure sensor can monitor the water pressure at the water outlet 14 in real time and transmit the signal to the controller. Then the controller controls the solenoid valve 40 to ensure that there is a certain amount of liquid in the water storage cavity, so as to avoid the mixing of external air and at the same time avoid the gas in the water storage cavity from overflowing at the water outlet 14, ensuring the detection effect.

[0038] In addition, during the detection of geothermal water, it also includes the detection of the gas volume generated after the geothermal water is transported to the ground. The process of transporting geothermal water to the water storage cavity through the filtering structure 20 is a dynamic process. Therefore, when detecting the gas volume flowing through the air outlet 15 per unit time, it is necessary to ensure a constant water inflow rate and a constant liquid level in the water storage cavity, and then detect the gas volume exported from the air outlet 15. At this time, the initial pressure value of the pressure sensor can be set, and through the controller and the solenoid valve 40, the liquid level in the water storage tank 10 can be ensured to be at a constant height, thereby ensuring the detection of the gas volume.

[0039] Correspondingly, the flow rate can be measured by the gas detector 30. Of course, if the gas detector 30 cannot detect the gas flow rate, a flow meter can also be installed at the air outlet 15.

[0040] In this embodiment, the water outlet 14 can be communicated with the return water pipeline of the wellhead to ensure that the outflowing liquid is directly sent back to the geothermal well 60.

[0041] In some embodiments, the above-mentioned water storage tank 10 can adopt the structure as Figure 1 shown. Refer to Figure 1 , the water inlet 16 is located at one end of the water storage tank 10, and the water outlet 14 and the gas outlet 15 are located at the other end of the water storage tank 10. A partition plate 13 is provided in the water storage cavity, and the partition plate 13 divides the water storage cavity into a water inlet space 11 and a water storage space, and the tops of the water inlet space 11 and the water storage space are communicated.

[0042] It should be noted that the water pressure sensor 50 is located in the water storage space.

[0043] First of all, the water entering the water storage cavity from the water inlet 16 will carry a lot of bubbles. The water inlet 16 and the water outlet 14 are respectively located at both ends of the water storage tank 10, which can ensure that the water entering the water storage tank 10 from the water inlet 16 has a long travel distance to the water outlet 14, so as to facilitate the bubbles carried in the geothermal water to float upward and overflow. And by setting the partition plate 13 in the water storage cavity, it can ensure that when the geothermal water first enters the water inlet space 11, the geothermal water entering from the water inlet 16 is fully intercepted, resisting most of the impacts, and then the geothermal water rises gently and slowly overflows to the water storage space at the top of the partition plate 13, avoiding too many bubbles in the geothermal water in the water storage space, preventing gas from flowing out with the liquid at the water outlet 14, and at the same time ensuring the detection effect of the gas content.

[0044] In some embodiments, the above-mentioned partition plate 13 can adopt the structure as Figure 1 shown. Refer to Figure 1 , the partition plate 13 is inclined, the bottom end of the partition plate 13 is close to the water outlet 14, and the top end is close to the water inlet 16.

[0045] The inclined setting of the partition plate 13 can ensure that when the geothermal water is introduced from the water inlet space 11 to the water storage space, the water overflowing from the top end of the partition plate 13 has a gentle slope for it to slowly flow into the water storage space, avoiding the generation of more bubbles during this process, and thus ensuring the gas detection effect.

[0046] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A three-phase separation detection device for geothermal water, characterized in that: include: A water storage tank having a water storage cavity, wherein the water storage tank is provided with a water inlet and a water outlet communicating with the water storage cavity, and an air outlet located above the water outlet; A filtering structure connected to the water inlet and used to filter the sediment carried in the geothermal water; A gas detector is connected to the gas outlet and is used to detect the gas components in the geothermal water.

2. The geothermal water three-phase separation detection device according to claim 1, characterized in that: The filtering structure is a Y-type filter.

3. The geothermal water three-phase separation detection device according to claim 1, characterized in that: The air outlet is provided with a waterproof and breathable membrane.

4. The geothermal water three-phase separation detection device according to any one of claims 1 to 3, characterized in that: The geothermal water three-phase separation detection device also includes: A solenoid valve, the solenoid valve being arranged at the water outlet; A water pressure sensor is arranged in the water storage cavity and located at the water outlet; Matching controller.

5. The geothermal water three-phase separation detection device according to claim 4, characterized in that: The water inlet is located at one end of the water tank, and the water outlet and the air outlet are located at the other end of the water tank; Wherein, a partition plate is provided in the water storage cavity, and the partition plate divides the water storage cavity into a water inlet space and a water storage space, and the top ends of the water inlet space and the water storage space are connected.

6. The geothermal water three-phase separation detection device according to claim 5, characterized in that: The partition plate is arranged obliquely, with the bottom end of the partition plate close to the water outlet and the top end close to the water inlet.

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