CN112253051A - Double-rod discharge device, equipment for controlled release of shallow harmful gas in land and construction method - Google Patents

Abstract

The invention discloses a double-rod discharge device, equipment for controlled release of shallow harmful gas in land and a construction method. Also provided is an apparatus for controlled release of shallow noxious gases in a land area, comprising: a double-rod discharge device comprising the above-mentioned; a hydraulic loading device connected with the double-rod discharging device and providing pressing force for the double-rod discharging device; a controlled gas release means connected to said dual stem discharge means and controlling the rate of gas release; and a gas combustion device connected with the controlled gas release device and used for treating harmful gas. Solves the problems of incomplete gas release and hole site blockage, and is suitable for exhaust application in engineering.

Description

Double-rod discharge device, equipment for controlled release of shallow harmful gas in land and construction method

Technical Field

The invention relates to the technical field of gas-containing stratum construction, in particular to a double-rod discharge device, equipment for controlled release of shallow harmful gas in a land area and a construction method.

Background

With the advance of urbanization, urban rail transit in China is developed newly, however, corresponding problems emerge more and more, shallow gas is distributed in coastal soft soil areas, the shallow gas is buried shallowly, which is unfavorable for underground engineering construction and harmful to human health, the shallow gas is difficult to identify by conventional investigation means and is easy to influence engineering, if corresponding engineering measures are not taken, harm is easy to form in the construction process in the future, construction operation is blocked, normal construction is influenced, and the safety of surrounding buildings and personnel is seriously influenced.

The harm of shallow layer gas becomes one of the major engineering problems in China. In various engineering constructions at home and abroad, phenomena such as tunnel settlement caused by shallow gas, methane explosion, foundation pit uplift, building settlement and the like are frequently seen, and huge economic loss is caused.

The advanced discharge of shallow gas is the key for construction, the existing equipment mainly adopts single-hole uncontrolled discharge, great disturbance can be generated on the surrounding soil body, in addition, silt is easy to block the air hole to influence the exhaust process, and the construction is influenced due to the incomplete discharge. Therefore, it is necessary to develop a device for thoroughly and controllably discharging harmful gases in gas-bearing soil layers.

Disclosure of Invention

The embodiment of the invention aims to provide a double-rod discharge device, equipment for controlled-release shallow harmful gas release in a land area and a construction method, so as to solve the problem that the gas release is not complete in the traditional gas release process and the problem that hole positions are easily blocked in the traditional gas release process.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, an embodiment of the present invention provides a dual-rod discharging device, which includes an exploration gas injection probe and an air release probe, where the exploration gas injection probe includes a first hollow probe, a first porous probe, and an exploration probe, which are sequentially connected from top to bottom, and the air release probe includes a second hollow probe, a second porous probe, and a gyro-type drill, which are sequentially connected from top to bottom.

Furthermore, the diameters of the first hollow probe rod, the first holed probe rod, the exploration probe rod, the second hollow probe rod and the second holed probe rod are all equal.

Further, the air vents on the first porous probe rod and the second porous probe rod are diamond-shaped air vents arranged in an array.

Further, the exploration probe rod comprises a drill bit, a methane concentration sensor, a strain gauge, a pore pressure sensor, a permeable stone, a friction sleeve and a sealing gasket sleeve, wherein the permeable stone is connected to the upper portion of the drill bit along the periphery, the permeable stone is hollow and is provided with the methane concentration sensor, the upper portion of the permeable stone is connected with the sealing gasket, the upper portion of the sealing gasket is connected with the friction sleeve along the periphery, and the inside of the friction sleeve is provided with the pore pressure sensor for measuring the pore water pressure in the pressing-down process and the strain gauge for measuring the friction force of the side wall of the soil body.

And the methane concentration sensor, the pore pressure sensor and the strain gauge are connected with the signal transmitter, and the signal transmitter and the signal receiving device are used for data transmission.

Furthermore, the diameter of the top-shaped drill bit is larger than that of the second porous probe rod, so that the filter screen around the air vent can be prevented from falling off in the drilling process.

In a second aspect, an embodiment of the present invention further provides an apparatus for controlled release of shallow harmful gas in a land area, including:

a dual stem drain comprising the first aspect;

a hydraulic loading device connected with the double-rod discharging device and providing pressing force for the double-rod discharging device;

a controlled gas release means connected to said dual stem discharge means and controlling the rate of gas release; and

a gas combustion device connected with the controlled gas release device and used for treating harmful gas.

Further, the hydraulic loading device comprises a bottom connecting pulley and is used for the loader to slide left and right; the hydraulic loading device also comprises a controller used for controlling the hydraulic loading device.

Further, the controllable air discharging device comprises an air compressor, a steam-cement separator and an air flow control valve, an outlet of the air compressor is communicated with the exploration air injection probe rod through a valve, an inlet of the steam-cement separator is communicated with the air discharge probe rod through a valve, an air outlet of the steam-cement separator is connected with the air flow control valve, a mud-water separation valve is installed at the bottom of the steam-cement separator, and a sedimentation tank is arranged below the mud-water separation valve.

Further, gas combustion device includes box, intake pipe, battery, switch, solenoid valve, some firearm, combustion chamber, the one end of intake pipe links to each other with the gas outlet that has accuse air bleeder, and the other end stretches into the combustion chamber, and some firearm are connected to the combustion chamber, the battery passes through electric wire connection solenoid valve and some firearm, and the switch mounting is used for controlling the solenoid valve to open some firearm outside the box.

In a third aspect, an embodiment of the present invention further provides a construction method for applying the apparatus for controlled release of shallow harmful gas in a land area, including the following steps:

(1) pressing an exploration gas injection probe into a soil layer by a preset depth, and monitoring the methane concentration and soil body parameters in real time in the pressing process;

(2) identifying and determining a gas-containing sandy lens body according to the obtained parameters, and judging that the depth contains shallow gas when the concentration of methane in the lens body exceeds a set threshold value;

(3) inserting the deflation probe into the predetermined position at a predetermined distance from the exploratory gas injection probe, and the insertion depth is shallower than the exploratory gas injection probe by a predetermined distance;

(4) and (4) carrying out gas emission, starting an air compressor when the gas emission is slow, filling gas, increasing the pressure of the soil body, releasing the gas from the air bleeding probe rod, and burning the gas in the gas combustion device after passing through the steam-water-mud separator.

According to the technical scheme, the beneficial effects of the invention are as follows:

(1) the double-rod discharge mode is adopted, so that the problems of incomplete gas release in the traditional gas discharge process and hole site blockage easily caused in the traditional gas discharge process are effectively solved; compared with the existing single-hole sounding deflation, the method can more effectively deflate and probe simultaneously, reduce the sludge blockage degree, and increase the sounding accuracy and the deflation thoroughness.

(2) The combustion of gas can prevent the gas that releases from causing pollution and make personnel's poisoning scheduling problem to the atmosphere, can prevent to produce the explosion in the combustion process and increase construction safety in addition for modified burner.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram (front view) of a device for controlled release of shallow harmful gases in a land area according to an embodiment of the present invention;

FIG. 2 is a schematic view of a surveying gas injection probe according to an embodiment of the present invention (front view);

FIG. 3 is a schematic view (front view) of a deflation probe in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view (front view) of a gas combustion apparatus according to an embodiment of the present invention;

description of reference numerals: 1. shallow gas, 2 exploration probe rod, 3 first holed probe rod, 4 first hollow probe rod, 5 gyro-type drill bit, 6 second holed probe rod, 7 second hollow probe rod, 8 reaction anchor, 9 frame, 10 pulley, 11 loader, 12 fixing hole, 13 controller, 14 signal emitter, 15 first three-way valve, 15 'second three-way valve, 16 first three-way valve switch, 16' second three-way valve switch, 17 top valve, 18 air compressor, 19 signal receiver, 20 barometer, 21 mud-water separating valve, 22 connecting rod, 23 sedimentation tank, 24 steam-water mud separator, 25 air flow control valve, 26 gas burner, 27 switch, 28 flame, 29 diamond air vent, 30 filter screen, 31 drill bit, 32 methane concentration sensor, 33. The device comprises a strain gauge, 34, a pore pressure sensor, 35, a permeable stone, 36, a friction sleeve, 37, a sealing gasket sleeve, 38, an electric wire, 39, an air inlet pipe, 40, a battery, 41, an electromagnetic valve, 42, an igniter, 43 and a combustion chamber.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "on" or "over" other devices or configurations would then be oriented "under" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same reference numerals are used to designate the same devices, and thus, the description thereof will be omitted.

An embodiment of the present invention provides a dual-rod discharging device, as shown in fig. 1-3, comprising an exploratory gas injection probe and a gas discharge probe; the exploration gas injection probe comprises a first hollow probe rod 4, a first porous probe rod 3 and an exploration probe rod 2 which are sequentially connected from top to bottom; the air bleeding probe rod comprises a second hollow probe rod 7, a second porous probe rod 6 and a gyro-type drill bit 5 which are sequentially connected from top to bottom. The exploration gas injection probe rod is used for exploring shallow gas reservoir, and the gassing probe rod is used for gaseous release, and when gas concentration was lower or silt plugged up the gas pocket, gaseous release was comparatively difficult, and air compressor connects the exploration gas injection probe rod and carries out the gas injection, increases shallow gas reservoir pressure, and after the internal-external pressure difference of gassing probe rod increased, gaseous follow the bleed hole and discharge. The gas that adopts two poles to discharge the design on the one hand to solve silt jam and cause discharges the difficulty, on the other hand perfect solution the not thorough problem of gas release, especially to harmful gas concentration lower and influence the region of construction, this equipment still can be applicable to the reconnaissance field.

In this embodiment, preferably, the diameters of the first hollow probe 4, the first holed probe 3, the exploration probe 2, the second hollow probe 7 and the second holed probe 6 are all equal;

in this embodiment, the air vents of the probe rod with holes are rhombic holes 29 arranged in an array. With this design, the intake area is increased.

In this embodiment, the diameter of the top-type drill 5 is larger than the diameter of the air bleeding probe. By adopting the design, the filter screen is prevented from falling off in the drilling process.

In this embodiment, the exploration probe rod 2 includes drill bit 31, methane concentration sensor 32, foil gage 33, pore pressure sensor 34, permeable stone 35, friction sleeve 36 and sealing washer sleeve 37, permeable stone 35 connects in the drill bit 31 top along week, and permeable stone 35 is inside hollow and is equipped with methane concentration sensor 32, and sealing washer 37 is connected to permeable stone 35 top, and friction sleeve 36 is connected along week in sealing washer 37 upper portion, and friction sleeve 36 is inside to be equipped with the pore pressure sensor 34 that is used for measuring the in-process pore water pressure that pushes down and foil gage 33 that is used for measuring soil body lateral wall frictional force. By adopting the design, the lower two ends of the friction sleeve 36 are connected with the sealing gaskets 37, so that when downward exploration is prevented, water permeates into the inside of an instrument to destroy the accuracy of the instrument, the hole pressure sensor 34 and the strain gauge 33 in the friction sleeve 36 and the methane concentration sensor 32 at the lower part can accurately survey the friction force, the pore water pressure and the methane concentration of the side wall of a soil body, and the gas reservoir is accurately identified.

The double-rod discharge device further comprises a signal transmission device, the signal transmission device comprises a signal emitter 14 and a signal receiving device 19, the methane concentration sensor 32, the pore pressure sensor 34 and the strain gauge 33 are all connected with the signal emitter 14, and the signal emitter 14 and the signal receiving device 19 are used for data transmission.

In the sounding process, gas enters the drill bit chamber through the permeable stone 35, is sensed by the methane concentration sensor 32, and is transmitted to the signal transmitter 14 through the electric wire; the signal transmitter 14 is installed at the top end of the first hollow probe 4, and the signal receiver 19 is installed on the air compressor 18 and used for monitoring and acquiring the methane concentration and soil parameter data in real time. By adopting the design, the signal transmitter 14 is connected with the exploration device, so that the soil body parameters and the methane concentration can be monitored in real time, and the data can be transmitted to the signal receiving device 19 in real time, thereby being beneficial to the expansion of the subsequent deflation work.

Based on the above sequential connection from top to bottom, the present invention further provides a device for controlled release of shallow harmful gas in a land area, comprising:

a dual stem drain as described above;

a hydraulic loading device connected with the double-rod discharging device and providing pressing force for the double-rod discharging device;

a controlled gas release means connected to said dual stem discharge means and controlling the rate of gas release; and

a gas combustion device connected with the controlled gas release device and used for treating harmful gas.

Specifically, the hydraulic loading device can include reaction anchor 8, shelf 9, pulley 10, loader 11, fixed orifices 12, controller 13, reaction anchor 8 connects the shelf and is used for inserting the ground end and be used for providing the counter-force for the device, shelf 9 is used for as the support, pulley 10 connects and installs simultaneously on shelf 9 below loader 11, be convenient for the horizontal slip, loader 11 of upper end is used for providing vertical decurrent power for the probe rod, fixed orifices 12 connects and is used for fixed probe rod position on loader 11, controller 13 connects on shelf 9 for control loader. By adopting the design, the counter-force anchor 8 provides counter-force for the whole device after being fixed, the pulley 10 under the loader 11 is designed to slide left and right, the accurate selection of the direct position of the two rods is convenient, and the fixed hole 11 is used for fixing the position of the probe rod and is convenient for stably drilling in during downward exploration.

Specifically, the controlled release device comprises a first three-way valve 15, a second three-way valve 15 ', a first three-way valve switch 16, a second three-way valve switch 16', a top valve 17, an air compressor 18, an air pressure gauge 20, a sludge-water separation valve 21, a support 22, a sedimentation tank 23, a sludge-water separator 24 and an air flow control valve 25. A top valve 17 is arranged at the top end of the second hollow probe rod 6; the outlet of the air compressor 18 is connected with the first hollow probe 4 through a first three-way valve 15, so that air can be conveniently injected into the soil gas reservoir through the first hollow probe 4 and the first porous probe 3; the inlet, the first outlet and the second outlet of the second three-way valve 15 ' are respectively communicated with the second hollow probe rod 6, the top end valve 17 and the steam-cement separator 24, when the probe rod is pressed into a soil body, the top end valve 17 is opened, the valve is closed to be connected with the second three-way valve 15 ' along with the discovery of gas overflow, and the second three-way valve switch 16 ' is opened and connected to the steam-cement separator 24 through a pipeline, the barometer 20 is installed on the right side of the steam-cement separator 24, the bottom of the steam-cement separator is provided with the mud-water separation valve 21, the lower end of the steam-cement separator is provided with the sedimentation tank 23, the middle of the steam-cement separator is connected through the bracket 22, and the upper end of the steam-cement separator 24; the incoming sludge-water mixture passes through the sludge-water separation valve 21 into the settling tank, while the gas enters through the gas flow control valve 25 into the gas combustion system. By adopting the design, the air compressor 18 is connected with the first hollow probe rod 4, when the air is slowly discharged, the air pressure of the soil body is increased, under the condition of high internal and external air pressure difference, the harmful gas can be discharged more quickly and thoroughly, the mud-water separator 18 is connected with the second hollow probe rod 6 through the second three-way valve 15', the steam-water mud can enter one block, the water and mud and the gas are separated to enter the sedimentation tank 23 by opening the mud-water separation valve 21, the gas above enters the gas combustion device through the gas flow control valve 25, and the gas flow is stably controlled, so that the controlled release is realized.

Specifically, the gas combustion device is connected to the steam-water-mud separator and comprises an air inlet pipe 39, a battery 40, an electromagnetic valve 41, an igniter 42, a combustion chamber 43, a switch 27 and the like. The air inlet pipe 39 is connected with the air flow control valve 25 and communicated with the combustion chamber 43, the battery 40 is arranged at the right lower end of the bottom of the box body and is connected with the electromagnetic valve 41 and the igniter 42 through electric wires, the switch 27 is arranged outside the box body, when harmful gas enters the combustion chamber 43 through the air inlet pipe 39, the switch 27 is opened, and the igniter 42 is controlled through the electromagnetic valve 41 to enable the gas to be combusted in the combustion chamber 43. By adopting the design, the gas entering the gas inlet pipe 39 is directly communicated with the combustion chamber 43, the switch 27 controls the igniter 42 through the electromagnetic valve 41, the safe ignition is realized, the explosion condition is prevented, the harmful gas can be treated in the first time by the combustion chamber 43, and the pollution to the air and the harm to the human body are reduced.

The test procedure of the inventive device is briefly described below:

the exploration gas injection probe is pressed into the soil layer to a certain depth, the specific depth is determined according to actual engineering, the exploration device on the exploration probe 2 and the methane concentration sensor 32 are used for identifying a gas-containing sandy lens body on the soil layer, the obtained data are transmitted to the signal transmitter 14 at the top end of the first hollow probe 4, the signal transmitter transmits the signals to the signal receiving device 19, and the signal receiving device collects and records the obtained data in real time.

And identifying the gas reservoir, pressing down the gas discharging probe rod by about 50-100 mm away from the exploration gas injection probe rod through a hydraulic loading device, wherein the pressing-down depth is about 100-500 mm shallower than the exploration gas injection probe rod. When the gas is found to be blown out when the pressure is reduced to the preset depth, the top valve 17 is closed, the three-way valve 15 is connected, and then the gas-cement separator 24 and the gas combustion device 26 are connected through pipelines; the gas starts to be released through the air bleeding probe rod, when the release rate is slow, the air compressor 18 is opened, air with about 0.7MPa is injected into the soil body, the gas pressure in the gas-containing soil is increased, so that the gas is released, and after the release rate in the air bleeding probe rod becomes normal, the air injection is stopped. The released gas enters a steam-cement separator 24, is connected with a gas flow control valve 25 to control the gas release rate, and then is connected to a gas combustion device 26 through a pipeline for combustion.

When the air flow is reduced to 0 or the combustion of the combustion chamber is completely finished, the three-way valve is disconnected, the probe rod is continuously pulled upwards, and when shallow gas appears again, the steps are repeated.

And arranging equipment, namely preparing the controlled double-rod arrangement of the next hole.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a two pole discharging equipment, its characterized in that, includes exploration gas injection probe and gassing probe, exploration gas injection probe includes from last to first hollow probe (4), first porose probe (3) and exploration probe (2) that connect gradually down, the gassing probe includes from last to the porose probe (7) of second, second porose probe (6) and top type drill bit (5) that connect gradually down.

2. The dual rod drain of claim 1, wherein the bleed holes on the first and second apertured probes (3, 6) are diamond bleed holes (29) arranged in an array.

3. The double-rod discharge device according to claim 1, wherein the exploration probe rod (2) comprises a drill bit (31), a methane concentration sensor (32), a strain gauge (33), a pore pressure sensor (34), a permeable stone (35), a friction sleeve (36) and a sealing gasket sleeve (37), the permeable stone (35) is connected above the drill bit (31) along the periphery, the permeable stone (35) is hollow and is provided with the methane concentration sensor (32), the sealing gasket (37) is connected above the permeable stone (35), the friction sleeve (36) is connected on the upper portion of the sealing gasket (37) along the periphery, and the pore pressure sensor (34) for measuring the pore water pressure in the pressing-down process and the strain gauge (33) for measuring the friction force of the side wall of the soil body are arranged inside the friction sleeve (36).

4. The dual-rod discharge device according to claim 1, further comprising a signal transmission device, wherein the signal transmission device comprises a signal emitter (14) and a signal receiving device (19), the methane concentration sensor (32), the pore pressure sensor (34) and the strain gauge (33) are all connected with the signal emitter (14), and the signal emitter (14) and the signal receiving device (19) perform data transmission.

5. A dual rod drainage device as claimed in claim 1, wherein the diameter of the top-of-the-peg (5) is greater than the diameter of the second apertured probe (6) to prevent the screen (30) around the venting holes from falling out during the drilling process.

6. An apparatus for controlled release of shallow noxious gases in a land area, comprising:

a dual stem drain as defined in claim 3;

a hydraulic loading device connected with the double-rod discharging device and providing pressing force for the double-rod discharging device;

a controlled gas release means connected to said dual stem discharge means and controlling the rate of gas release; and

a gas combustion device connected with the controlled gas release device and used for treating harmful gas.

7. The apparatus for controlled release of shallow noxious gases in land areas according to claim 6, wherein the bottom of the hydraulic loading unit is connected to a pulley (10) for sliding the loader left and right.

8. The land area controlled release shallow harmful gas equipment according to claim 6, characterized in that, the controlled release device comprises an air compressor (18), a steam-cement separator (24) and a gas flow control valve (25), the outlet of the air compressor (18) is connected with the exploration gas injection probe rod through a valve, the inlet of the steam-cement separator (24) is connected with the release probe rod through a valve, and the gas outlet of the steam-cement separator (24) is connected with the gas flow control valve (25).

9. The device for controlled release of shallow harmful gas in land areas according to claim 6, wherein the gas combustion device comprises a box body, a gas inlet pipe (39), a battery (40), a switch (27), an electromagnetic valve (41), an igniter (42) and a combustion chamber (43), one end of the gas inlet pipe (39) is connected with a gas outlet of the controlled release device, the other end of the gas inlet pipe extends into the combustion chamber (43), the igniter (42) is connected to the combustion chamber (43), the battery (40) is connected with the electromagnetic valve (41) and the igniter (42) through a wire, and the switch (27) is installed outside the box body and used for controlling the electromagnetic valve to open the igniter.

10. A construction method for applying the equipment for controlled release of shallow harmful gas in the land area according to claim 6, which comprises the following steps:

(1) pressing an exploration gas injection probe into a soil layer by a preset depth, and monitoring the methane concentration and soil body parameters in real time in the pressing process;

(2) identifying and determining a gas-containing sandy lens body according to the obtained parameters, and judging that the depth contains shallow gas when the concentration of methane in the lens body exceeds a set threshold value;

(3) inserting the deflation probe into the predetermined position at a predetermined distance from the exploratory gas injection probe, and the insertion depth is shallower than the exploratory gas injection probe by a predetermined distance;

(4) and (4) carrying out gas emission, starting an air compressor when the gas emission is slow, filling gas, increasing the pressure of the soil body, releasing the gas from the air bleeding probe rod, and burning the gas in the gas combustion device after passing through the steam-water-mud separator.

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