CN115901365A - Device for collecting and releasing rare gas sample in soil - Google Patents

Device for collecting and releasing rare gas sample in soil Download PDF

Info

Publication number
CN115901365A
CN115901365A CN202211237599.1A CN202211237599A CN115901365A CN 115901365 A CN115901365 A CN 115901365A CN 202211237599 A CN202211237599 A CN 202211237599A CN 115901365 A CN115901365 A CN 115901365A
Authority
CN
China
Prior art keywords
copper pipe
releasing
observation window
rod
collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211237599.1A
Other languages
Chinese (zh)
Inventor
石晓
徐可
刘汉彬
李军杰
金贵善
张建锋
韩娟
张佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Research Institute of Uranium Geology
Original Assignee
Beijing Research Institute of Uranium Geology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Research Institute of Uranium Geology filed Critical Beijing Research Institute of Uranium Geology
Priority to CN202211237599.1A priority Critical patent/CN115901365A/en
Publication of CN115901365A publication Critical patent/CN115901365A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The invention belongs to the technical field of determination of content and isotope composition of rare gas samples in soil, and particularly relates to a device for collecting and releasing rare gas samples in soil. The device comprises a collecting device and a releasing device, wherein the collecting device comprises a hydraulic tong head frame, a first fixing rod, a metal tong head, a first cylindrical tong head, a second cylindrical tong head, a first power rod and a hydraulic bearing rod, and the releasing device comprises an observation window upper flange, an observation window, a jackscrew, an observation window lower flange, a gas releasing device upper cover, a copper pipe fixing clamp, a movable handle, a connecting rod, a second power rod, a gas releasing device lower cover, a first copper pipe extrusion pad, a first vacuum pipeline, a second copper pipe extrusion pad, a second vacuum pipeline and a second fixing rod. The invention can solve the problems of complex sealing operation of the copper pipe, difficult field application and the like, realizes the connection and the use of the sealed copper pipe and a gas purification system, and improves the testing precision and the testing efficiency.

Description

Device for collecting and releasing rare gas sample in soil
Technical Field
The invention belongs to the technical field of determination of content and isotope composition of rare gas samples in soil, and particularly relates to a device for collecting and releasing rare gas samples in soil.
Background
The rare gas analysis is one of important means of the geoscience research, and has important research significance in the interaction process of an ore forming fluid source and a shell mantle.
The rare gas content in the soil is low, the soil is easily interfered by the outside, and the key for accurately measuring the rare gas content and the isotope composition is to reduce the sample pollution and improve the sample purity in the processes of sample sampling, transportation and release analysis.
Common rare gas sampling devices mainly comprise stainless steel bottles, copper tubes, glass bottles, gas sampling bags, syringes and the like. The stainless steel has the advantages of high temperature resistance, high pressure resistance, strong corrosion resistance, nonflammability, insusceptibility to explosion, good stability in the process of gas sample collection and transportation and the like, and has the defects of large volume, heavy weight, difficulty in carrying and the like; the glass bottle is simple to operate and easy to carry, the permeability for storing rare gas is different along with the difference of glass structures, but the glass material is not suitable for long-distance transportation and is not suitable for long-time storage; the gas sampling bag has the greatest advantages of convenience, rapidness and portability, but due to the problem of material, the gas sampling bag is high in permeability, rare gas is easy to permeate and be polluted, and the sampling bag contains organic materials such as polyethylene and adhesive, so that organic matters such as benzene, ketone, ether and ester are easy to release, and difficulty is caused in later-stage purification and analysis of the rare gas; the collection mode of the injector is simple and convenient to operate, but the storage time of gas in the injector is closely related to the property, concentration, air tightness and the like of the sample.
The copper pipe is a sampling device which is widely applied at present, has good sealing performance and high collection rate, is easy to store and transport, but the field sealing device of the copper pipe is complex and is not easy to carry, so that a device which is suitable for collecting and releasing the rare gas sample in the field soil is needed to be provided, and the content and the isotope composition of the rare gas in the soil are accurately determined.
Disclosure of Invention
The invention solves the technical problem of providing a device for collecting and releasing a rare gas sample in soil, solves the problems of complex sealing operation of a copper pipe, difficult field application and the like, realizes the connection use of the sealed copper pipe and a gas purification system, and improves the test precision and the test efficiency.
The technical scheme adopted by the invention is as follows:
a device for collecting and releasing a rare gas sample in soil comprises a collecting device and a releasing device, wherein the collecting device comprises a hydraulic tong head frame, a first fixing rod, a metal tong head, a first cylindrical tong head, a second cylindrical tong head, a first power rod and a hydraulic bearing rod, the hydraulic tong head frame is of a U-shaped structure, the first fixing rod is fixedly installed at one end of the inner wall of the hydraulic tong head frame, and the metal tong head is fixedly installed on the first fixing rod; the other end of the inner wall of the hydraulic tong head frame is provided with a through hole, a hydraulic bearing rod penetrates through the through hole and is fixed on the hydraulic frame, one end of the hydraulic bearing rod is connected with a hydraulic device, the other end of the hydraulic bearing rod is connected with a first power rod, and a metal tong head is fixedly arranged on the first power rod;
the release device comprises an observation window upper flange, an observation window, a jackscrew, an observation window lower flange, a gas release device upper cover, a copper pipe fixing clamp, a movable handle, a connecting rod, a second power rod, a gas release device lower cover, a first copper pipe extrusion pad, a first vacuum pipeline, a second copper pipe extrusion pad, a second vacuum pipeline and a second fixing rod, wherein a cavity is formed in the center of the gas release device lower cover, a second fixing rod is fixedly installed on the inner wall of the cavity, and a second copper pipe extrusion pad is fixedly installed at the front end of the second fixing rod; a through hole is formed in the opposite inner wall of the connecting rod, the connecting rod penetrates through the through hole and is fixed in the inner wall of the lower cover of the gas release device, and the second power rod penetrates through the connecting rod; one end of the second power rod is fixedly provided with a movable handle, and the other end of the second power rod is fixedly provided with a first copper pipe extrusion pad; a first vacuum pipeline and a second vacuum pipeline are respectively arranged on the inner walls of the other two sides of the cavity; the bottom of the cavity is provided with a plurality of bolt holes, and the copper pipe fixing clamp is fixed in the cavity through hexagon socket head cap bolts; the upper surface of the cavity is provided with a plurality of bolt holes, and the upper cover of the releasing device is fixedly connected with the lower cover of the gas releasing device through hexagon socket head cap bolts; and an observation window lower flange is arranged on the upper end face of the upper cover of the gas release device, the observation window upper flange is fixedly connected with the observation window lower flange through an inner hexagon bolt, and an observation window is arranged between the observation window upper flange and the observation window lower flange.
The front end of the metal binding clip is provided with a cylindrical groove, the first cylindrical binding clip and the second cylindrical binding clip are fixed in the cylindrical groove, and the first cylindrical binding clip and the second cylindrical binding clip are opposite in position.
The copper pipe is placed between the first cylindrical binding clip and the second cylindrical binding clip, and the second cylindrical binding clip is pushed by the hydraulic device to extrude the copper pipe, so that the copper pipe is sealed.
And the joint of the second power rod and the connecting rod is sealed by a polytetrafluoroethylene material.
The first copper pipe extrusion pad is opposite to the second copper pipe extrusion pad in position, and the first copper pipe extrusion pad is pushed by the movable handle.
The inner walls of the first copper pipe extrusion pad and the second copper pipe extrusion pad are provided with diamond patterns to prevent the rotation of the copper pipe sealing end.
The first vacuum pipeline is connected with the gas purification system, and the second vacuum pipeline is connected with the vacuum system.
The copper pipe fixation clamp is characterized in that a rhombic groove is formed in the center of the copper pipe fixation clamp, a copper pipe is fixed, stripes are arranged on the inner wall of the rhombic groove, the copper pipe is prevented from rotating, a fixation pad is arranged on the copper pipe fixation clamp, and a bolt hole matched with an inner hexagon bolt is formed in the fixation pad.
The upper surface of the cavity is also provided with a rectangular groove, a rectangular gasket is placed in the rectangular groove and used for sealing the upper cover of the gas release device and the lower cover of the gas release device, and the material of the rectangular gasket is polytetrafluoroethylene.
A first circular gasket is arranged between the observation window and the upper flange of the observation window, and a second circular gasket is arranged between the observation window and the lower flange of the observation window; the observation window is the borosilicate material, the material of first circular packing ring, second circular packing ring is polytetrafluoroethylene.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention provides a device for collecting and releasing a rare gas sample in soil, which comprises a hydraulic tong head, a copper pipe, an observation window, a copper pipe fixing clamp, an upper cover and a lower cover of a releasing device and the like, and realizes the collection, detection and analysis of the rare gas sample.
(2) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a copper pipe, can effectively reduce the gas adsorption inner wall, and is convenient for field gas collection, carrying and transportation.
(3) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a hydraulic tungsten steel binding clip and can effectively realize the sealing and the pinching off of a copper pipe;
(4) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a rare gas sample releasing device, has small volume and good sealing property, and can quickly obtain high vacuum;
(5) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a copper pipe fixing clamp with a diamond-shaped groove, can effectively fix a copper pipe, and can prevent the copper pipe from rotating due to uneven stress because the inner wall of the diamond-shaped groove is provided with stripes;
(6) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts an observation window and can observe the state of a copper pipe sealing end in real time;
(7) The invention provides a device for collecting and releasing a rare gas sample in soil, wherein a copper pipe extrusion pad is adopted to effectively extrude a copper pipe sealing section, so that the rare gas sample in the copper pipe can be conveniently released, and diamond patterns on the copper pipe extrusion pad can effectively prevent the copper pipe sealing end from rotating;
(8) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a movable handle to conveniently control a copper pipe extrusion pad and conveniently extrude a copper pipe;
(9) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a first vacuum pipeline to connect a gas releasing device and a gas purifying system, and can conveniently realize detection and analysis of the rare gas sample;
(10) The invention provides a device for collecting and releasing a rare gas sample in soil, wherein a second vacuum pipeline is adopted to connect a gas releasing device and a vacuum system, so that the high vacuum state and the atmospheric pressure balance state of an internal cavity of the gas releasing device can be conveniently realized;
(11) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts an inner hexagon bolt to facilitate the fixation and the disassembly of the device;
(12) The invention provides a device for collecting and releasing rare gas samples in soil, which adopts a polytetrafluoroethylene gasket to ensure that the device has good sealing performance;
(13) The invention provides a device for collecting and releasing a rare gas sample in soil, which adopts a jackscrew design, is convenient for opening an upper cover of a releasing device and replacing a copper pipe.
Drawings
FIG. 1 is a schematic view of the rare gas sample collection apparatus of the present invention;
FIG. 2 is a schematic view of the rare gas sample delivery device of the present invention;
in the figure: the clamp comprises a copper pipe 1, a hydraulic clamp head frame 2, a first fixing rod 3, a metal clamp head 4, a first cylindrical clamp head 5, a second cylindrical clamp head 6, a first power rod 7, a hydraulic receiving rod 8, an upper flange of an observation window 13, a first circular gasket 14, an observation window 15, a second circular gasket 17, a jackscrew 19, a lower flange of the observation window 21, an upper cover of a gas release device 23, a rectangular gasket 26, a copper pipe fixing clamp 27, a diamond-shaped groove 32, a fixing pad 33, a movable handle 34, a connecting rod 35, a second power rod 36, a lower cover of the gas release device 37, a first copper pipe extrusion pad 38, a first vacuum pipeline 39, a second copper pipe extrusion pad 40, a rectangular groove 41, a second vacuum pipeline 42 and a second fixing rod 43.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIG. 1, the invention provides a device for collecting and releasing rare gas samples in soil, wherein the collecting device comprises a hydraulic tong head frame 2, a first fixing rod 3, a metal tong head 4, a first cylindrical tong head 5, a second cylindrical tong head 6, a first power rod 7 and a hydraulic bearing rod 8,
the hydraulic tong head frame 2 is of a U-shaped structure, a first fixing rod 3 is fixedly mounted at one end of the inner wall of the hydraulic tong head frame, and a metal tong head 4 is fixedly mounted on the first fixing rod 3; the other end of the inner wall of the hydraulic tong head frame 2 is provided with a through hole, a hydraulic bearing rod 8 penetrates through the through hole and is fixed on the hydraulic frame 2, one end of the hydraulic bearing rod 8 is connected with a hydraulic device, the other end of the hydraulic bearing rod is connected with a first power rod 7, and a metal tong head 4 is fixedly arranged on the first power rod 7; a cylindrical groove is formed in the front end of the metal binding clip 4, the first cylindrical binding clip 5 and the second cylindrical binding clip 6 are fixed in the cylindrical groove, and the first cylindrical binding clip 5 and the second cylindrical binding clip 6 are opposite in position; the hydraulic device pushes the second cylindrical tong head 6 through a first power rod 7;
the copper pipe 1 is placed between the first cylindrical binding clip 5 and the second cylindrical binding clip 6, and the second cylindrical binding clip 6 is pushed by a hydraulic device to extrude the copper pipe 1, so that the copper pipe 1 is sealed;
the hydraulic tong head frame 2 is made of 316 type stainless steel.
The first fixing rod 3, the metal tong head 4, the first power rod 7 and the hydraulic bearing rod 8 are made of 316-type stainless steel.
The first cylindrical tong head 5 and the second cylindrical tong head 6 are made of tungsten steel.
As shown in fig. 2, the invention provides a device for collecting and releasing a rare gas sample in soil, wherein the releasing device comprises an upper observation window flange 13, a first circular gasket 14, an observation window 15, a second circular gasket 17, a jackscrew 19, a lower observation window flange 21, an upper gas releasing device cover 23, a rectangular gasket 26, a copper pipe fixing clamp 27, a diamond-shaped groove 32, a fixing pad 33, a movable handle 34, a connecting rod 35, a second power rod 36, a lower gas releasing device cover 37, a first copper pipe pressing pad 38, a first vacuum pipeline 39, a second copper pipe pressing pad 40, a rectangular groove 41, a second vacuum pipeline 42 and a second fixing rod 43,
a cavity is formed in the center of the lower cover 37 of the gas release device, a second fixing rod 43 is fixedly mounted on the inner wall of the cavity, and a second copper pipe extrusion pad 40 is fixedly mounted at the front end of the second fixing rod 43; a through hole is formed in the opposite inner wall of the gas release device, the connecting rod 35 penetrates through the through hole and is fixed in the inner wall of a lower cover 37 of the gas release device, the second power rod 36 penetrates through the connecting rod 35, and the joint of the second power rod 36 and the connecting rod 35 is sealed by a polytetrafluoroethylene material; one end of the second power rod 36 is fixedly provided with a movable handle 34, the other end of the second power rod is fixedly provided with a first copper pipe extrusion pad 38, the first copper pipe extrusion pad 38 is opposite to the second copper pipe extrusion pad 40, and the first copper pipe extrusion pad 38 can be pushed by the movable handle 34; diamond patterns are arranged on the inner walls of the first copper pipe extrusion pad 38 and the second copper pipe extrusion pad 40, so that the rotation of the sealing end of the copper pipe can be effectively prevented, and the material is 316 type stainless steel;
a first vacuum pipeline 39 and a second vacuum pipeline 42 are respectively arranged on the inner walls of the other two sides of the cavity, the first vacuum pipeline 39 is connected with a gas purification system, and the second vacuum pipeline 42 is connected with a vacuum system;
the bottom of the cavity is provided with a plurality of bolt holes, and the copper pipe fixing clamp 27 is fixed in the cavity through hexagon socket head cap bolts; the copper pipe fixing clamp 27 is characterized in that a diamond-shaped groove 32 is formed in the center of the copper pipe fixing clamp 27 and can be used for fixing a copper pipe, stripes are arranged on the inner wall of the diamond-shaped groove 32 and can prevent the copper pipe from rotating, a fixing pad 33 is arranged on the copper pipe fixing clamp 27, and a bolt hole matched with an inner hexagon bolt is formed in the fixing pad 33;
the upper surface of the cavity is provided with a plurality of bolt holes, and the upper cover 23 of the releasing device is fixedly connected with the lower cover 37 of the gas releasing device through hexagon socket head cap bolts; a rectangular cavity 41 is further formed in the upper surface of the cavity, and a rectangular gasket 26 is placed in the rectangular cavity 41 and used for sealing the upper cover 23 and the lower cover 37 of the gas release device, wherein the rectangular gasket is made of polytetrafluoroethylene;
an observation window lower flange 21 is arranged on the upper end face of the gas release device upper cover 23, the observation window upper flange 13 is fixedly connected with the observation window lower flange 21 through a hexagon socket head cap screw, an observation window 15 is arranged between the observation window upper flange 13 and the observation window lower flange 21, a first circular gasket 14 is arranged between the observation window 15 and the observation window upper flange 13, and a second circular gasket 17 is arranged between the observation window 15 and the observation window lower flange 21;
the observation window 15 is made of a high borosilicate material, and the first circular gasket 14 and the second circular gasket 17 are made of polytetrafluoroethylene;
the top end face of the upper cover 23 of the gas release device is provided with a jackscrew 19, and the upper cover 23 of the release device is opened through the jackscrew 19.
The invention provides a method for collecting and releasing a rare gas sample, which specifically comprises the following steps:
step 1, copper pipe sealing filled with rare gas
One end of a copper pipe 1 filled with rare gas is placed in a jaw of a hydraulic clamp, a hydraulic device is connected with a hydraulic bearing rod 8, a pushing device, a first power rod 7 extrudes a second cylindrical tong head 6 under hydraulic pushing, the second cylindrical tong head 6 and a first cylindrical tong head 5 extrude the copper pipe 1, and one end of the copper pipe is extruded into a straight line; and operating the hydraulic device, returning the first power rod 7 to the original position, taking out the copper pipe 1, putting the other end of the copper pipe 1 into a jaw of the hydraulic clamp, and completing the sealing process with the copper pipe, namely the copper pipe 1 filled with the rare gas sample.
Step 2, releasing rare gas in the copper pipe
Opening the hexagon socket head cap bolt between the upper cover 23 of the gas releasing device and the lower cover 37 of the gas releasing device, slowly rotating the jackscrew 19, opening the upper cover 23 of the gas releasing device, opening the upper cover of the copper tube fixing clamp 27, placing the sealed copper tube 1 in the diamond-shaped groove 32 of the copper tube fixing clamp 27, vertically clamping the sealing port of the copper tube 1 between the first copper tube extrusion pad 38 and the second copper tube extrusion pad 40, preventing the copper tube 1 from rotating due to the diamond-shaped grains on the extrusion pads, closing the upper cover of the copper tube fixing clamp 27, closing the upper cover 23 of the gas releasing device, screwing the hexagon socket head cap bolt between the upper cover 23 of the releasing device and the lower cover 37 of the releasing device, and completing the sealing of the releasing device.
The gas release device is evacuated to 10 by a vacuum system connected to a second vacuum line 42 -3 Pa, slowly rotating the movable handle 34, the movable handle 34 pushing the second power rod 36, the second power rod 36 continuing to push the first copper pipe extrusion pad 38, and the sealing state of the sealing opening of the copper pipe 1 can be observed in real time through the observation window 15, and the sealing opening of the copper pipe 1 is between the first copper pipe extrusion pad 38 and the second copper pipe extrusion pad 40The deformation is carried out under the extrusion, the rare gas in the copper pipe 1 is freely diffused into a vacuum cavity of the gas release device, and a rare gas sample is purified and then enters mass spectrometry through a gas purification system connected with the first vacuum pipeline 39.
Step 3, copper pipe replacement
After the copper pipe 1 is analyzed, air is put into the air release device through a vacuum system connected with the second vacuum pipeline 42 until the air pressure of the inner cavity and the air pressure of the outer cavity of the device are balanced; the upper cover 23 of the gas release device is taken down, the movable handle 34 is rotated to enable the first copper pipe extrusion pad 38 and the second copper pipe extrusion pad 40 not to extrude the copper pipe 1 any more, the upper cover of the copper pipe fixing clamp 27 is opened, the copper pipe 1 which is analyzed is taken out, another copper pipe which is sealed well is placed, the upper cover of the copper pipe fixing clamp 27 is covered, the movable handle 34 is pushed slowly, the sealing port of the copper pipe is vertically clamped between the first copper pipe extrusion pad 38 and the second copper pipe extrusion pad 40, the upper cover 23 of the gas release device is covered, the jackscrew 19 is taken down, and then the copper pipe replacement is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The device for collecting and releasing the rare gas sample in the soil is characterized by comprising a collecting device and a releasing device, wherein the collecting device comprises a hydraulic tong head frame (2), a first fixing rod (3), a metal tong head (4), a first cylindrical tong head (5), a second cylindrical tong head (6), a first power rod (7) and a hydraulic bearing rod (8), the hydraulic tong head frame (2) is of a U-shaped structure, the first fixing rod (3) is fixedly arranged at one end of the inner wall of the hydraulic tong head frame, and the metal tong head (4) is fixedly arranged on the first fixing rod (3); a through hole is formed in the other end of the inner wall of the hydraulic tong head frame (2), a hydraulic bearing rod (8) penetrates through the through hole and is fixed on the hydraulic tong head frame (2), one end of the hydraulic bearing rod (8) is connected with a hydraulic device, the other end of the hydraulic bearing rod is connected with a first power rod (7), and a metal tong head (4) is fixedly mounted on the first power rod (7);
the release device comprises an observation window upper flange (13), an observation window (15), a jackscrew (19), an observation window lower flange (21), a gas release device upper cover (23), a copper pipe fixing clamp (27), a movable handle (34), a connecting rod (35), a second power rod (36), a gas release device lower cover (37), a first copper pipe extrusion pad (38), a first vacuum pipeline (39), a second copper pipe extrusion pad (40), a second vacuum pipeline (42) and a second fixing rod (43), wherein a cavity is formed in the center of the gas release device lower cover (37), the inner wall of the cavity is fixedly provided with the second fixing rod (43), and the front end of the second fixing rod (43) is fixedly provided with the second copper pipe extrusion pad (40); a through hole is formed in the opposite inner wall of the gas release device, a connecting rod (35) penetrates through the through hole and is fixed in the inner wall of a lower cover (37) of the gas release device, and a second power rod (36) penetrates through the connecting rod (35); one end of the second power rod (36) is fixedly provided with a movable handle (34), and the other end of the second power rod is fixedly provided with a first copper pipe extrusion pad (38); a first vacuum pipeline (39) and a second vacuum pipeline (42) are respectively arranged on the inner walls of the other two sides of the cavity; the bottom of the cavity is provided with a plurality of bolt holes, and the copper pipe fixing clamp (27) is fixed in the cavity through hexagon socket head cap screws; the upper surface of the cavity is provided with a plurality of bolt holes, and the upper cover (23) of the releasing device is fixedly connected with the lower cover (37) of the gas releasing device through hexagon socket head cap bolts; the upper end face of the upper cover (23) of the gas release device is provided with an observation window lower flange (21), the observation window upper flange (13) is fixedly connected with the observation window lower flange (21) through a hexagon socket head cap screw, and an observation window (15) is arranged between the observation window upper flange (13) and the observation window lower flange (21).
2. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 1, wherein the front end of the metal binding clip (4) is provided with a cylindrical groove, the first cylindrical binding clip (5) and the second cylindrical binding clip (6) are fixed in the cylindrical groove, and the first cylindrical binding clip (5) and the second cylindrical binding clip (6) are opposite.
3. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 2, wherein the copper tube (1) is placed between the first cylindrical binding clip (5) and the second cylindrical binding clip (6), and the second cylindrical binding clip (6) is pushed by a hydraulic device to extrude the copper tube (1) to complete the sealing of the copper tube (1).
4. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 1, wherein the connection position of the second power rod (36) and the connecting rod (35) is sealed by polytetrafluoroethylene material.
5. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 4, wherein the first copper pipe extrusion pad (38) is opposite to the second copper pipe extrusion pad (40), and the first copper pipe extrusion pad (38) is pushed by the movable handle (34).
6. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 5, wherein the inner walls of the first copper pipe extrusion pad (38) and the second copper pipe extrusion pad (40) are provided with diamond patterns to prevent the rotation of the sealing end of the copper pipe.
7. The device for the collection and release of rare gases samples in soils according to claim 1, characterized in that said first vacuum line (39) is connected to a gas purification system and said second vacuum line (42) is connected to a vacuum system.
8. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 1, wherein a diamond-shaped groove (32) is formed in the center of the copper pipe fixing clamp (27), a copper pipe is fixed, stripes are formed on the inner wall of the diamond-shaped groove (32) to prevent the copper pipe from rotating, a fixing pad (33) is arranged on the copper pipe fixing clamp (27), and a bolt hole matched with an inner hexagon bolt is formed in the fixing pad (33).
9. The device for collecting and releasing the rare gas sample in the soil as claimed in claim 1, wherein a rectangular groove (41) is further formed on the upper surface of the cavity, and a rectangular gasket (26) is placed in the rectangular groove (41) for sealing the upper cover (23) and the lower cover (37) of the gas releasing device, and is made of polytetrafluoroethylene.
10. The device for collecting and releasing rare gas samples in soil according to claim 1, wherein a first circular gasket (14) is arranged between the observation window (15) and the observation window upper flange (13), and a second circular gasket (17) is arranged between the observation window (15) and the observation window lower flange (21); the observation window (15) is the borosilicate material, the material of first circular packing ring (14), second circular packing ring (17) is polytetrafluoroethylene.
CN202211237599.1A 2022-10-10 2022-10-10 Device for collecting and releasing rare gas sample in soil Pending CN115901365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211237599.1A CN115901365A (en) 2022-10-10 2022-10-10 Device for collecting and releasing rare gas sample in soil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211237599.1A CN115901365A (en) 2022-10-10 2022-10-10 Device for collecting and releasing rare gas sample in soil

Publications (1)

Publication Number Publication Date
CN115901365A true CN115901365A (en) 2023-04-04

Family

ID=86473492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211237599.1A Pending CN115901365A (en) 2022-10-10 2022-10-10 Device for collecting and releasing rare gas sample in soil

Country Status (1)

Country Link
CN (1) CN115901365A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118794755A (en) * 2024-09-13 2024-10-18 中国地质科学院地质研究所 Copper pipe sealing gas sampling system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118794755A (en) * 2024-09-13 2024-10-18 中国地质科学院地质研究所 Copper pipe sealing gas sampling system and method
CN118794755B (en) * 2024-09-13 2024-11-08 中国地质科学院地质研究所 Copper pipe sealing gas sampling system and method

Similar Documents

Publication Publication Date Title
CN103234778A (en) Device for enriching semi-volatile organic compounds in underground water
CN115901365A (en) Device for collecting and releasing rare gas sample in soil
CN106568614A (en) A sampling device for dissolved gas analysis of a water sample and a sampling method thereof
US5714696A (en) Fluid sampling apparatus and method
CN107966349B (en) Gas-liquid separator for monitoring gas in liquid
CN211955717U (en) On-line monitoring device
CN108387649A (en) Detection method that is a kind of while detecting a variety of pernicious gases in workplace
CN115541452B (en) Hydrogen permeation experimental device and experimental method for nonmetallic tubing in gas-phase hydrogen environment
CN115561123B (en) Hydrogen permeation experimental device and experimental method for metal pipe in gas phase hydrogen environment
CN207540844U (en) A kind of natural gas sample collecting apparatus
CN211954808U (en) Metering type air pressure sampler
Caldwell et al. An inexpensive apparatus facilitating the storage of oxygen sensitive compounds
CN1786701A (en) Method for determining content of (18) 0 isotope in water
CN211856046U (en) Device for collecting soil breathing gas
CN115112793B (en) Device and method for online determination of carbon dioxide and carbon isotopes in inclusion by crushing method
CN206177636U (en) Sampling device of water sample dissolved gas analysis
CN110631376B (en) Miniature double-vacuum furnace tube and use method thereof
CN108899104B (en) Is used for preparing85Method of Kr standard source
CN103529171B (en) A kind of method of argon, helium, nitrogen mixed gas for welding being carried out to quality of production control
CN203178108U (en) Enriching device for semi-volatile organic compounds in underground water
CN118794755B (en) Copper pipe sealing gas sampling system and method
CN221351343U (en) Gas sampling adsorption tube
CN112556262B (en) Medicine inspection sampling box
CN111289311A (en) Mixed emergency cooling type high-temperature flue gas sampling device and method
CN218584450U (en) Natural gas pipeline with natural gas sampling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination