CN210915401U - Degassing device for gas observation of high-salinity water well - Google Patents

Abstract

The utility model relates to a degasser for high salinity well gas observation, including the degasification jar, there are water inlet and gas outlet at the top of degasification jar, the side of degasification jar is equipped with a return bend and forms the outlet, the return bend is located the one end in the degasification jar perpendicularly down, the other end of return bend is the level form and stretches out outside the degasification jar, the return bend is located to wrap up on the mouth of pipe in the degasification jar has the steel mesh, the cavity in the degasification jar is the degasification chamber, be equipped with the splash net of level setting in the degasification chamber, the splash net is higher than the return bend, the bottom of degasification jar is equipped with ultrasonic generator, ultrasonic generator's ultrasonic oscillator is located the. The utility model discloses a splash and fall degasification and ultrasonic degassing's dual degasification, increase the escape efficiency of solution gas in the well spring water, improve the escape tolerance. Mineral ions in water are difficult to adsorb and precipitate in the degassing cavity through ultrasonic oscillation, so that pipeline blockage caused by mineralized matter scaling is avoided, degassing amount is stable, and the service life of the degassing device is prolonged.

Description

Degassing device for gas observation of high-salinity water well

Technical Field

The utility model relates to a seismic precursor gas observation technical field especially relates to a degasser that is used for high salinity well gas to survey.

Background

The important part of the chemical observation of the earthquake precursor is the dynamic change observation of the concentration of dissolved gas and escaping gas in underground water. Generally, the observation object of the gas component observation instrument is limited to a gas-phase medium, so that an important step in the earthquake precursor gas observation is to remove gas in a water body, collect and convey the gas to a gas analysis instrument. The water well with obvious crust information usually comprises a thermal spring well and a flowing well, and earthquake monitoring researchers in China design some degassing devices according to actual application conditions and obtain better observation effect in application. However, for some well springs with high mineral content, mineral ions in water are oxidized and scaled in the long-term use process of the degassing device, so that the internal volume of the degassing device is greatly changed, the water flow and the gas flow of the water outlet and the gas outlet are reduced due to scaling, the degassing effect is reduced, the observation effect is worsened along with the lengthening of the use time, and the analysis of earthquake precursor data is seriously influenced.

Disclosure of Invention

The utility model discloses a solve above-mentioned technical problem, provide a degasser for high salinity well gas is surveyd, adopt the nature to splash degasification and ultrasonic cavitation degasification and deviate from the solution gas of aquatic to through the vibration, make aquatic mineral ion be difficult to adsorb the sediment, have degasification effectual, long service life, high temperature resistant, the characteristics of maintenance cycle length.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a degasification jar that is equipped with water inlet, outlet and gas outlet, the cavity in the degasification jar is the degasification chamber, is equipped with the splash net that the level set up in the degasification chamber, and the bottom of degasification jar is equipped with ultrasonic generrator, and ultrasonic generrator's supersound oscillator is located the bottom in degasification chamber, and the top of degasification jar is located to the water inlet, and the side of degasification jar is located to the outlet and is located below the splash net, water inlet, outlet and gas outlet all with degasification chamber UNICOM. Well water enters the degassing cavity through the water inlet and splashes to the splashing net from a high position, gas carried in the water after collision is impacted by collision force to generate unbalanced energy and escape, the gas is discharged from the gas outlet, and water drops fall into the bottom of the degassing tank. The water that falls into degasser bottom still can have some slight gas, the ultrasonic vibrator is under drive control circuit's control, form certain oscillation frequency, make through the bubble in the liquid pearl that the splash refines under high-frequency vibration, cavitation nucleation gathering forms the big bubble, the effusion surface of water, also discharge from the gas outlet, the water after the gas of deviating from passes through the outlet and discharges, and simultaneously, aquatic mineral ion is under ultrasonic oscillation, also discharge from the outlet along with it, make aquatic mineral ion be difficult to adsorb the sediment in the degasification intracavity, thereby avoid causing the pipeline to block up because of the mineralized substance scale deposit. According to the technical scheme, dual degassing of splash degassing and ultrasonic degassing is adopted, so that the escape efficiency of dissolved gas in well spring water is increased, and the escape gas quantity is increased. Meanwhile, the ultrasonic vibration is adopted to avoid the scaling of mineralized substances, improve the degassing stability and prolong the service life of the degassing device.

Preferably, the splash net is fully distributed with water falling holes, the bottom of the degassing tank is provided with a support rod vertical to the degassing tank, and the top end of the support rod is connected with the splash net. A gap is arranged between the edge of the splash net and the inner wall of the degassing tank, so that degassed water can fall into the bottom of the degassing tank conveniently. The splash net which is full of the water falling hole increases the impact force to water, improves the degassing effect, and enables the degassed water energy to fall to the bottom of the degassing tank more quickly and smoothly.

Preferably, the air outlet is arranged at the top of the degassing tank. The gas that is deviate from the water is convenient to collect, and is delivered to the gas analysis instrument.

Preferably, the side surface of the degassing tank is provided with a bent pipe to form the water outlet, one end of the bent pipe positioned in the degassing tank faces downwards vertically, and the other end of the bent pipe horizontally extends out of the degassing tank. The inner end of the bent pipe extends into the liquid level in the degassing cavity, and the outer end of the bent pipe is higher than the liquid level in the degassing cavity to form a water seal pipe, so that air is prevented from entering the degassing cavity through the water outlet.

Preferably, a steel mesh is arranged on the pipe orifice of the elbow pipe positioned in the degassing tank. The steel mesh is the porous steel mesh, and the water that contains the bubble touches the steel mesh, and the surface of water is escaped to the resistance bubble, discharges from the gas outlet, further improves degasification effect.

Preferably, the ultrasonic generator comprises a driving control circuit for driving the ultrasonic vibrator, the driving control circuit comprises an amplitude adjusting module, a frequency adjusting module, a signal transmission module, a timing control module and a power supply module for providing working voltage for the whole driving control circuit, the output ends of the amplitude adjusting module and the frequency adjusting module are respectively connected with the input end of the signal transmission module, the output end of the signal transmission module is connected with the ultrasonic vibrator, and the timing control module controls the timing on-off of the power supply module. The power module provides power for the ultrasonic vibrator and converts alternating current into direct current. The amplitude adjusting module changes the voltage input to the ultrasonic vibrator through the voltage adjusting circuit, so that the vibration amplitude of the ultrasonic vibrator is changed. The frequency adjustment module changes the vibration frequency of the ultrasonic vibrator. The timing control module is used for timing and controlling the power-on and power-off time of the power supply module, so that the ultrasonic vibrator can be started and stopped automatically, the energy consumption is saved, the service life is prolonged, and the continuous online analysis meter degassing processing device is suitable for degassing of a continuous online analyzer. The amplitude modulation parameter of the amplitude regulation module and the frequency modulation parameter of the frequency regulation module are respectively transmitted to the ultrasonic vibrator through the signal transmission module, and the vibration state of the ultrasonic vibrator is controlled.

The utility model has the advantages that: the dual degassing of splash degassing and ultrasonic degassing is adopted, so that the escape efficiency of the dissolved gas in the well spring water is increased, and the escape gas quantity is increased. Mineral ions in water are difficult to adsorb and precipitate in the degassing cavity through ultrasonic oscillation, so that pipeline blockage caused by mineralized matter scaling is avoided, degassing efficiency is improved, degassing amount is stable, the service life of a degassing device is prolonged, and maintenance period is prolonged.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a block diagram of a circuit principle connection structure of a drive control circuit of the middle ultrasonic vibrator of the present invention.

In the figure, 1, a degassing tank, 2, a degassing cavity, 3, a water inlet, 4, an air outlet, 5, an ultrasonic generator, 6, an ultrasonic vibrator, 7, a splash net, 8, a support rod, 9, a bent pipe, 10, a water outlet, 11, a steel net, 51, an amplitude adjusting module, 52, a frequency adjusting module, 53, a signal transmission module, 54, a timing control module and 55, a power supply module are arranged.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the degassing device for observing the gas of the high-salinity well comprises a cylindrical degassing tank 1, the degassing tank is an anti-corrosion metal tank body, a cavity in the degassing tank is a degassing cavity 2, the volume of the degassing tank is not less than 3L, a water inlet 3 and a gas outlet 4 which are communicated with the degassing cavity are formed in the top of the degassing tank, the diameter of the water inlet is 10mm, an ultrasonic generator 5 is installed at the bottom of the degassing tank, an ultrasonic vibrator 6 of the ultrasonic generator is located at the bottom of the degassing cavity, a horizontally-arranged splash net 7 is arranged at the middle lower part of the degassing cavity, the diameter of the splash net is 8cm, water falling holes with the diameter of 0.5mm are formed in the splash net, a supporting rod 8 perpendicular to the bottom is fixed at the center of the degassing tank, and the splash net is installed at the top end of the supporting rod. The side of degassing tank is equipped with a return bend 9 with degasification chamber UNICOM and forms outlet 10, the outlet diameter is 1.5 times of water inlet diameter, prevent that the inflow is great and the outlet discharge is less when causing the gas collection volume in the degasification intracavity to diminish, influence degasification effect, the return bend is a 90 return bend, the one end that the return bend is located in the degasification tank is perpendicular downwards, stretch into the intracavity liquid level of degasification, the other end of return bend is the level form and stretches out outside the degasification tank, and be higher than the intracavity liquid level of degasification 2cm, form the water-sealed pipe, the return bend is located below the splash net, the return bend is located and is equipped with one deck steel mesh 11 on the mouth of pipe in the degasification tank, be covered with the aperture on.

As shown in fig. 2, the ultrasonic generator 5 includes a driving control circuit for driving the ultrasonic vibrator 6, the driving control circuit includes an amplitude adjusting module 51, a frequency adjusting module 52, a signal transmission module 53, a timing control module 54, and a power module 55 for providing a working voltage for the entire driving control circuit, output terminals of the amplitude adjusting module and the frequency adjusting module are respectively connected to an input terminal of the signal transmission module, and an output terminal of the signal transmission module is connected to the ultrasonic vibrator. The power module provides power for the ultrasonic vibrator and converts alternating current into direct current. The amplitude adjusting module changes the voltage input to the ultrasonic vibrator through the voltage adjusting circuit, so that the vibration amplitude of the ultrasonic vibrator is changed. The frequency adjustment module changes the vibration frequency of the ultrasonic vibrator. The timing control module is used for timing and controlling the power-on and power-off time of the power supply module, so that the ultrasonic vibrator can be started and stopped automatically, the energy consumption is saved, the service life is prolonged, and the continuous online analysis meter degassing processing device is suitable for degassing of a continuous online analyzer. The amplitude modulation parameter of the amplitude regulation module and the frequency modulation parameter of the frequency regulation module are respectively transmitted to the ultrasonic vibrator through the signal transmission module, and the vibration state of the ultrasonic vibrator is controlled.

The working process is as follows: the timing control module outputs a starting command to the power supply module, the ultrasonic vibrator performs high-frequency vibration with proper amplitude and frequency under the control of the amplitude adjusting module and the frequency adjusting module, well spring water enters the degassing cavity through the water inlet and splashes from a high position to the porous splashing net, the well spring water carrying gas is dispersed to form small liquid beads after colliding with the splashing net, the small liquid beads penetrate through the splashing net and are thrown into the bottom of the degassing tank to form water-sealed liquid, and after the well spring water carrying gas collides with the splashing net, the gas carried by the well spring water is impacted by collision force and escapes and is discharged from the gas outlet, and after part of fine gas enters the water-sealed liquid, the fine gas is cavitated to form large bubbles under the ultrasonic vibration action of the ultrasonic vibrator, the escaped liquid is also discharged from the gas outlet. And the liquid after the gas is removed is discharged through the water outlet, in the discharging process, a small part of gas-containing liquid touches the steel mesh at the bent pipe opening, bubbles are broken after being subjected to the resistance of the steel mesh and also escape from the liquid, and the escaped gas is also discharged from the gas outlet. Meanwhile, mineral ions in the liquid are discharged from the water outlet along with the liquid under ultrasonic oscillation, so that the mineral ions in the water are difficult to adsorb and precipitate in the degassing cavity, pipeline blockage caused by mineralized matter scaling is avoided, degassing stability is improved, the service life of the degassing device is prolonged, manual maintenance is reduced, the phenomenon that degassing amount changes in the using process of the degassing device is avoided, and the purpose of outputting a stable and continuous gas source for the gas analyzer is achieved.

Claims (6)

1. The utility model provides a degasser for high salinity well gas observation, its characterized in that is including the degasification jar that is equipped with water inlet, outlet and gas outlet, the cavity in the degasification jar is the degasification chamber, be equipped with the splash net that the level set up in the degasification chamber, the bottom of degasification jar is equipped with ultrasonic generator, ultrasonic generator's ultrasonic vibrator is located the bottom in degasification chamber, the top in degasification jar is located to the water inlet, the side of degasification jar is located to the outlet and is located splash net's below, water inlet, outlet and gas outlet all with degasification chamber UNICOM.

2. The degasser of claim 1, wherein the splash screen is covered with water falling holes, the bottom of the degasser tank is provided with a support rod perpendicular to the bottom, and the top of the support rod is connected with the splash screen.

3. The degasser for gas observation of high salinity water well according to claim 1, wherein the gas outlet is provided at the top of the degasser tank.

4. A degasser for observing gas in high salinity well according to claim 1, 2 or 3, wherein the degassing tank is provided with a bent pipe at its side to form the water outlet, one end of the bent pipe in the degassing tank faces downwards vertically, and the other end of the bent pipe horizontally extends out of the degassing tank.

5. The degasser of claim 4, wherein the elbow is provided with a steel mesh at the pipe opening inside the degasser tank.

6. The degasser of claim 1, wherein the ultrasonic generator comprises a driving control circuit for driving the ultrasonic vibrator, the driving control circuit comprises an amplitude adjusting module, a frequency adjusting module, a signal transmission module, a timing control module and a power module for providing working voltage for the whole driving control circuit, the output ends of the amplitude adjusting module and the frequency adjusting module are respectively connected with the input end of the signal transmission module, the output end of the signal transmission module is connected with the ultrasonic vibrator, and the timing control module controls the timing power-on and power-off of the power module.

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