Water and gas splashing separation device for sampling of fluid observation well

Abstract

The utility model relates to a water and gas splashing separation device for sampling of a fluid observation well, and belongs to the technical field of sampling equipment of the fluid observation well. The conical mesh screen and the planar mesh screen are combined, and the motor drives the rotating shaft to rotate, so that a water sample is splashed down on the conical mesh screen and the planar mesh screen, the collision speed and the collision area of water flow are increased, the water sample is fully scattered and diffused, the water-gas separation effect is enhanced, radon gas can quickly escape, and the radon gas separation efficiency is improved. Therefore, the degassing efficiency is improved, and the monitoring data is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fluid observation well sampling equipment technical field, concretely relates to a kind of water gas splashing separation device for fluid observation well sampling. BACKGROUND

[0002] Monitoring the dynamic change of gas in underground water is one of the main means of underground fluid earthquake precursor monitoring. Since the escaping gas in underground water participates in the deep circulation of underground water, has active physical and chemical properties, migrates fast, and is less disturbed by the mixing of surface atmosphere, it carries a relatively large amount of information. Therefore, establishing a system that can truly and stably reflect the dynamic change of underground fluid is of great significance for monitoring and forecasting.

[0003] During the monitoring process, it is usually necessary to extract water samples from observation wells for analysis. Due to the flow and pressure change of fluid, water and gas are often mixed, which affects the accuracy of the analysis results. Therefore, it is necessary to separate water and gas. However, the traditional degassing device has low degassing efficiency in actual application, and it is difficult to fully remove the gas in water, resulting in poor degassing effect, inaccurate monitoring data, and affecting the accurate evaluation of the change of underground fluid. UTILITY MODEL CONTENT

[0004] In order to overcome the problem of low degassing efficiency of the traditional degassing device in actual application, difficulty in fully removing gas in water, poor degassing effect, inaccurate monitoring data, and influence on accurate evaluation of the change of underground fluid in the background art, the utility model provides a water gas splashing separation device for fluid observation well sampling. The conical screen and the plane screen are combined, and the rotating shaft is driven by the motor to rotate, so that the water sample forms a splashing effect on the conical screen and the plane screen, increases the collision speed and collision area of the water flow, fully disperses and diffuses the water sample, enhances the water gas separation effect, facilitates the rapid escape of radon gas, and improves the degassing efficiency, so that the monitoring data is more accurate.

[0005] To achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a water gas splashing separation device for fluid observation well sampling mainly includes support, liquid storage cylinder, rotating shaft, conical screen, plane screen, motor, digital detector, gas guide pipe, the liquid storage cylinder is installed on the support, the rotating shaft is installed inside the liquid storage cylinder, the conical screen and the plane screen are installed from bottom to top on the top end of the rotating shaft, the motor is installed at the bottom of the liquid storage cylinder and is in transmission connection with the rotating shaft, the top of the liquid storage cylinder is conical structure, the conical surface of the liquid storage cylinder is installed with water inlet pipe in communication with the overflow port of the constant flow tank of the observation well, the end of the water inlet pipe extends to the top of the conical screen, the top end of the liquid storage cylinder is provided with gas outlet, the gas outlet is connected with the digital detector through the gas guide pipe, and the sidewall of the liquid storage cylinder is provided with L-shaped drain pipe.

[0006] The flat screen is uniformly provided with baffles in the circumferential direction.

[0007] The rotating shaft is axially equidistantly installed with multiple groups of inclined paddles.

[0008] The bottom end of the rotating shaft is installed with a sealing sleeve at the connecting position with the bottom of the liquid storage cylinder.

[0009] The beneficial effects of the present application are as follows:

[0010] The present application combines the conical screen and the flat screen, and drives the rotating shaft to rotate through the motor, so that the water sample forms a splashing effect on the conical screen and the flat screen, increases the collision speed and collision area of the water flow, fully disperses and diffuses the water sample, enhances the water-gas separation effect, is beneficial to the rapid escape of radon gas, improves the degassing efficiency, and makes the monitoring data more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a three-dimensional schematic view of the present application.

[0012] Figure 2 is a three-dimensional schematic view of the internal structure of the present application. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the preferred embodiments of the present application will be described in detail below with reference to the drawings, so as to facilitate the understanding of the skilled in the art.

[0014] The present application discloses a water-gas splashing separation device for fluid observation well sampling, which mainly comprises a support 1, a liquid storage cylinder 2, a rotating shaft 3, a conical screen 4, a flat screen 5, a motor 6, a digital detector 7 and a gas guide pipe 8.

[0015] In use, the water inlet pipe 201 is communicated with the overflow port of the constant flow tank at the observation well, so that the overflow water sample enters the liquid storage cylinder 2 through the water inlet pipe 201, the end of the water inlet pipe 201 extends to the top of the conical mesh screen 4, so that the water sample can directly impact on the conical mesh screen 4, at the same time, the motor 6 is started, the rotating shaft 3 is driven to rotate by the motor 6, so that the conical mesh screen 4 and the plane mesh screen 5 rotate, and the water sample splashes along the surface of the conical mesh screen 4 under the action of centrifugal force, in the splashing process, the gas in the water sample will quickly escape and separate from the water due to its physical and chemical properties, the separated gas moves upward and enters the gas guide pipe 8 through the gas outlet 202, and the gas guide pipe 8 transports the separated gas to the digital detector 7 for real-time monitoring of the gas composition and content; the water sample after degassing treatment accumulates at the bottom of the liquid storage cylinder 2 and is discharged through the drain pipe 203. In the whole process, the device continuously operates, and the water sample in the observation well is continuously separated and detected, so as to realize real-time monitoring of the dynamic change of underground fluid. The utility model can effectively remove the gas in the water sample, improve the degassing efficiency, ensure the accuracy of the monitoring data, and provide reliable support for the earthquake precursor monitoring of underground fluid.

[0016] The plane mesh screen 5 is uniformly provided with baffles 501 in the circumferential direction; when the water sample falls on the plane mesh screen 5, the baffles 501 hinder the straight flow of the water sample, so that more splashing and collision are generated, the dispersion degree of the water sample is improved, the gas in the water sample can be more fully escaped, and the water-gas separation efficiency is improved.

[0017] A plurality of inclined paddles 9 are installed on the rotating shaft 3 at equal intervals in the axial direction; the paddles 9 rotate under the driving of the rotating shaft 3, and the wastewater after degassing in the liquid storage cylinder 2 is stirred, so that the purpose of secondary degassing is achieved, and the water-gas separation effect is improved; the inclined paddles 9 can change the flow direction and speed of the water sample, so that more vortexes are generated, which is beneficial to the escape of the gas.

[0018] The bottom end of the rotating shaft 3 is provided with a sealing sleeve at the connection with the bottom of the liquid storage cylinder 2; the sealing sleeve can prevent the water sample from leaking from the connection between the rotating shaft 3 and the bottom of the liquid storage cylinder 2, and the sealing property of the device is ensured.

[0019] Working process:

[0020] In use, the water inlet pipe 201 is communicated with the overflow port of the constant flow tank at the observation well, so that the overflow water sample enters the liquid storage cylinder 2 through the water inlet pipe 201, the end of the water inlet pipe 201 extends to the top of the conical screen 4, so that the water sample can directly impact on the conical screen 4, at the same time, the motor 6 is started, the rotating shaft 3 is driven to rotate by the motor 6, and the conical screen 4 and the plane screen 5 are further driven to rotate, under the action of the centrifugal force, the water sample splashes along the surface of the conical screen 4, in the splashing process, the gas in the water sample is active due to its physical and chemical properties, and the gas is separated from the water, the separated gas moves upward and enters the gas guide pipe 8 through the gas outlet 202, the gas guide pipe 8 transports the separated gas to the digital detector 7 for real-time monitoring of the gas composition and content; the water sample after the degassing treatment is accumulated at the bottom of the liquid storage cylinder 2, the paddle 9 is rotated under the driving of the rotating shaft 3, the wastewater after degassing in the liquid storage cylinder 2 is stirred, so that the purpose of secondary degassing is achieved, and the water-gas separation effect is improved; in the whole process, the device continuously operates, and the water sample in the observation well is continuously separated and detected, so that the real-time monitoring of the dynamic change of the underground fluid is realized. The utility model can effectively remove the gas in the water sample, improve the degassing efficiency, ensure the accuracy of the monitoring data, and provide reliable support for the earthquake precursor monitoring of the underground fluid.

[0021] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the range defined by the claims of the utility model.

Claims

1. A water-air splash separation device for fluid observation well sampling, characterized by: The water-gas splash separation device for fluid observation well sampling comprises a support (1), a liquid storage cylinder (2), a rotating shaft (3), a conical mesh screen (4), a plane mesh screen (5), a motor (6), a digital detector (7), and a gas guide pipe (8).

2. A water-air splash separator for use in fluid observation well sampling as defined in claim 1, characterized in that: The plane mesh screen (5) is uniformly provided with baffles (501) in the circumferential direction.

3. A water-air splash separator for use in sampling a fluid observation well as claimed in claim 1 or 2, characterized in that: A plurality of groups of inclined paddles (9) are installed on the rotating shaft (3) at equal intervals in the axial direction.

4. A water-air splash separator for use in fluid observation well sampling as defined in claim 3, characterized in that: A sealing sleeve is installed at the bottom end of the rotating shaft (3) and the bottom of the liquid storage cylinder (2).

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