CN220893903U

CN220893903U - Gas sampling device

Info

Publication number: CN220893903U
Application number: CN202321531911.8U
Authority: CN
Inventors: 于吉青; 赵霞; 赵淑芳; 孟凡忠; 董金华; 齐勇; 张锋军; 闫国栋; 李静; 龚光明; 谢海鲜; 田明瑞; 郭建文; 张淑霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-05-03
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a gas sampling device, which comprises a storage box provided with a winding roller in a circumferential rotation way, wherein a sampling pipe fitting is movably arranged on the storage box, and a pull rope is wound on the winding roller, wherein: the sampling pipe fitting is provided with a protective cover in a communicating manner, a shielding cover is fixedly installed in the protective cover, a sampling controller is fixedly installed in the shielding cover, and the sampling pipe fitting is divided into an outer pipe and an inner pipe according to the structure. According to the gas sampling device provided by the utility model, a plurality of sampling controllers on the sampling pipe fitting reach preset positions, and the gas at the current positions is extracted and conveyed to a gas detector in a storage box through an inner pipe for detection; the inner pipe above the sampling controller is sealed by the sampling controller, so that the inner pipe below the sampling controller conveys gas through the outer pipe above the sampling controller, the sampling controller at the current position is skipped to extract the gas, a plurality of sampling controllers perform layered sampling work on the preset position in the well, and the workload of operators is reduced.

Description

Gas sampling device

Technical Field

The utility model relates to the technical field of gas sampling equipment, in particular to a gas sampling device.

Background

In oil extraction plants, the gas in the well is required to be sampled and detected in advance, and a gas collecting head is usually placed at a preset depth in the well, and then the gas in the well at the current depth is sampled and sampled.

According to publication (bulletin) No.: CN211179170U, publication (bulletin) day: 2020-08-04 discloses a gas sampling device for oil extraction factory, including the bottom plate, the lower fixed surface of bottom plate is connected with the well body, the last fixed surface of bottom plate is connected with the cylinder, the bottom of bottom plate is equipped with the plate body, four draw-in grooves have been seted up to the front surface symmetry of plate body, the joint has body of rod, first body, second body and third body in four draw-in grooves of plate body respectively, the body of rod with the output fixed connection of cylinder, the front surface of plate body is located the box is all installed to one side of draw-in groove, and the setting of cylinder drives the plate body through the body of rod, can adjust gas sampling depth, and the first body of pipe, second body and the third body of four draw-in grooves of plate body joint respectively can be simultaneously at different degree of depth, and the layering carries out gas sampling, does not need the sample separately of complexity, promptly makes things convenient for the staff to sample investigation, reduces work progress, has still improved work safety simultaneously.

In the prior art including the above patent, since in the process of sampling the gas in the well, the operator is required to continuously adjust the sampling depth to achieve the purpose of stratified sampling, and the operation is required to be performed a plurality of times to achieve the purpose of separate sampling, the operation is cumbersome, the workload of the operator is increased, and the safety problem of the operator is accompanied.

Disclosure of utility model

The utility model aims to provide a gas sampling device, which solves the problems of tedious and time-consuming operation caused by multiple times of operation of operators when carrying out layered sampling on gases with different depths.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a gaseous sampling device, is provided with the containing box of wind-up roll including circumference rotation, the activity is provided with sampling pipe fitting on the containing box, around being equipped with the stay cord on the wind-up roll, wherein:

A protective cover is communicated with the sampling pipe fitting, a shielding cover is fixedly arranged in the protective cover, and a sampling controller is fixedly arranged in the shielding cover;

The sampling pipe fitting is divided into an outer pipe and an inner pipe according to the structure, and the sampling controller is respectively matched with the outer pipe and the inner pipe;

The protective cover is movably provided with a blocking piece, and the blocking piece is fixedly provided with a pointed cone.

Preferably, the shielding cover is fixedly provided with a balancing weight, and the pull rope is respectively matched with the balancing weight and the protective cover.

Preferably, the shielding cover is provided with an air suction hole, and the air suction hole is respectively matched with the outer pipe and the inner pipe.

Preferably, a winding frame is fixedly installed on the storage box, and the winding roller is rotatably arranged on the winding frame.

Preferably, a plurality of brackets are fixedly arranged between the outer tube and the inner tube.

Preferably, a plurality of one-way valves are fixedly arranged in the sampling controller.

Preferably, the protective cover is specifically a stainless steel metal cover.

Preferably, a damping pad is fixedly arranged between the plugging piece and the protective cover.

In the above technical scheme, the gas sampling device provided by the utility model has the following beneficial effects: the sampling pipe fitting is taken out from the storage box and is placed in the well by matching with the pull rope, so that a plurality of sampling controllers on the sampling pipe fitting reach preset positions, and the plurality of sampling controllers extract the gas at the current position and convey the gas to a gas detector in the storage box for detection through the inner pipe; when the sampling is needed to be carried out on different positions in the well, the sampling controller seals the inner tube above the sampling controller, so that the inner tube below the sampling controller conveys gas through the outer tube above the sampling controller, the sampling controller at the current position is skipped to extract the gas, the sampling controllers carry out layered sampling work on the preset positions in the well, and the workload of operators is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a sampling device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a sampling tube, a shield, and a shielding cover provided by an embodiment of the present utility model;

FIG. 3 is a schematic view of a sampling tube and a shielding cover according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic structural diagram of a according to an embodiment of the present utility model;

Fig. 5 is an enlarged schematic view of structure B according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A storage box; 2. a winding frame; 21. a wind-up roll; 22. a pull rope; 23. balancing weight; 31. sampling pipe fittings; 311. an outer tube; 312. an inner tube; 313. a bracket; 32. a protective cover; 33. a shielding cover; 331. an air suction hole; 34. a sampling controller; 35. a blocking member; 351. and (5) a pointed cone.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a gas sampling device, including the containing box 1 that circumference rotation is provided with wind-up roll 21, the activity is provided with sampling pipe fitting 31 on the containing box 1, winds on the wind-up roll 21 and is equipped with stay cord 22, wherein:

A protective cover 32 is arranged on the sampling pipe fitting 31 in a communicated manner, a shielding cover 33 is fixedly arranged in the protective cover 32, and a sampling controller 34 is fixedly arranged in the shielding cover 33;

The sampling pipe fitting 31 is divided into an outer pipe 311 and an inner pipe 312 according to the structure, and the sampling controller 34 is respectively matched with the outer pipe 311 and the inner pipe 312;

The protective cover 32 is movably provided with a blocking piece 35, and a pointed cone 351 is fixedly arranged on the blocking piece 35.

Specifically, as shown in fig. 1, 2, 3 and 4, a gas detector is fixedly installed in the storage box 1, the gas detector is specifically Zhuo An, the blocking piece 35 slides on the side wall of the protective cover 32 and cannot be separated, and the blocking piece 35 is specifically a stainless steel metal sheet. The sampling pipe fitting 31 is taken out from the storage box 1, and the sampling pipe fitting 31 is placed in a well by matching with the pull rope 22, so that a plurality of sampling controllers 34 on the sampling pipe fitting 31 reach preset positions, and the gas at the current position is extracted by the plurality of sampling controllers 34 and conveyed to a gas detector in the storage box 1 for detection through the inner pipe 312; when sampling is required to be performed at different positions in the well, the sampling controller 34 seals the inner tube 312 above the sampling controller 34 so that the inner tube 312 below the sampling controller conveys gas through the outer tube 311 above the sampling controller to skip the sampling controller 34 at the current position to extract the gas, so that the sampling controllers 34 perform layered sampling work on the preset position in the well, and the workload of operators is reduced; when the sampling pipe fitting 31 is close to the inner wall of the well to perform sampling operation, soil on the inner wall of the well can be prevented from blocking the sampling controller 34 due to the action of the protective cover 32, meanwhile, the pointed cone 351 on the blocking piece 35 is inserted into the inner wall of the well, and the blocking piece 35 is made to slide to a preset position on the protective cover 32, so that the blocking piece 35 can block the opening at the bottom of the protective cover 32, and the soil on the inner wall of the well is reduced from entering the protective cover 32.

As an embodiment of the present invention, the counterweight 23 is fixedly installed on the shielding cover 33, and the pull rope 22 is respectively matched with the counterweight 23 and the protecting cover 32.

Specifically, as shown in fig. 1, the pull cord 22 passes through the protective cover 32 and is fixed, and the pull cord 22 is specifically a wire rope. The sampling pipe fitting 31 can be more conveniently fallen into the well through the balancing weight 23, and the sampling pipe fitting 31 can be kept in a vertical state under the action of the plurality of protective covers 32 by being matched with the pull ropes 22.

As a further embodiment of the present invention, the shielding cover 33 is provided with an air pumping hole 331, and the air pumping hole 331 is respectively matched with the outer tube 311 and the inner tube 312.

Specifically, as shown in fig. 3 and fig. 4, the sampling controller 34 is used for sampling gas at the current position in the well through the gas pumping hole 331, and meanwhile, the sampling controller 34 can seal the upper inner pipe 312, so that the sampling controller 34 does not sample through the gas pumping hole 331 at the current position, and the gas pumping hole 331 in the protective cover 32 can effectively avoid the soil on the inner wall of the well from blocking the gas pumping hole 331.

As another embodiment of the present invention, a winding frame 2 is fixedly installed on the storage box 1, and a winding roller 21 is rotatably installed on the winding frame 2.

Specifically, as shown in fig. 1, a driving motor is fixedly installed on the winding frame 2, the driving motor is powered by a 220V direct-plug power supply, and the winding roller 21 is fixedly installed at the output end of the driving motor. The winding roller 21 can conveniently pay off and take up the pull rope 22 through the driving motor.

As still another embodiment further provided in the present invention, a plurality of brackets 313 are fixedly installed between the outer tube 311 and the inner tube 312.

Specifically, as shown in fig. 2 and 5, the support 313 allows a cavity to exist between the outer tube 311 and the inner tube 312. The support 313 ensures the stability of the outer tube 311 and the inner tube 312 during operation, while the hollow space serves to ensure the gas communication between the outer tube 311 and the inner tube 312.

As yet another embodiment of the present invention, a plurality of one-way valves are fixedly mounted within the sampling controller 34.

Under the action of the one-way valve arranged in the sampling controller 34, the sampling controller 34 is convenient to seal the inner pipe 312, and the outer pipe 311 can be sealed at the same time, so that the gas is ensured to be sampled in a layered manner when the sampling controllers 34 work sequentially, and the sampling controller 34 is only responsible for extracting the gas and sealing the sampling pipe fitting 31.

As yet another embodiment further provided by the present invention, the shield 32 is embodied as a stainless steel metal shield.

Under the action of the protective cover 32 of the stainless steel metal cover, the protective cover 32 has high-efficiency corrosion resistance when dealing with the humid environment in the well, and the protective effect of the protective cover 32 on the sampling controller 34 is improved.

As a further embodiment of the present invention, a damping pad is fixedly installed between the blocking member 35 and the shield 32.

Under the action of the plugging piece 35 of the damping pad, the plugging piece 35 is not easy to deviate when sliding on the side wall of the protective cover 32, so that the plugging piece 35 can keep stable when driving the pointed cone 351 to be inserted into the inner wall of the well, and the damping pad is specifically a rubber pad.

Working principle: the sampling pipe fitting 31 is taken out of the storage box 1, so that the driving motor drives the wind-up roller 21 to rotate to realize paying-off of the pull rope 22, the pull rope 22 is matched with the balancing weight 23 to place the sampling pipe fitting 31 in a well, a plurality of sampling controllers 34 on the sampling pipe fitting 31 reach preset positions, and the plurality of sampling controllers 34 extract gas at the current positions and convey the gas to a gas detector in the storage box 1 for detection through the inner pipe 312; when sampling is required to be performed at different positions in the well, the sampling controller 34 seals the inner tube 312 above the sampling controller 34 so that the inner tube 312 below the sampling controller conveys gas through the outer tube 311 above the sampling controller to skip the sampling controller 34 at the current position to extract the gas, so that the sampling controllers 34 perform layered sampling work on the preset position in the well, and the workload of operators is reduced; when the sampling pipe fitting 31 is close to the inner wall of the well to perform sampling operation, soil on the inner wall of the well can be prevented from blocking the sampling controller 34 due to the action of the protective cover 32, meanwhile, the pointed cone 351 on the blocking piece 35 is inserted into the inner wall of the well, and the blocking piece 35 is made to slide to a preset position on the protective cover 32, so that the blocking piece 35 can block the opening at the bottom of the protective cover 32, and the soil on the inner wall of the well is reduced from entering the protective cover 32.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a gas sampling device, its characterized in that, including collecting box (1) that circumference rotation is provided with wind-up roll (21), the activity is provided with sampling pipe fitting (31) on collecting box (1), wind on wind-up roll (21) and be equipped with stay cord (22), wherein:

A protective cover (32) is communicated with the sampling pipe fitting (31), a shielding cover (33) is fixedly arranged in the protective cover (32), and a sampling controller (34) is fixedly arranged in the shielding cover (33);

the sampling pipe fitting (31) is divided into an outer pipe (311) and an inner pipe (312) according to the structure, and the sampling controller (34) is respectively matched with the outer pipe (311) and the inner pipe (312);

the protective cover (32) is movably provided with a blocking piece (35), and a pointed cone (351) is fixedly arranged on the blocking piece (35).

2. A gas sampling apparatus according to claim 1, wherein the shielding cover (33) is fixedly provided with a balancing weight (23), and the pull rope (22) is respectively matched with the balancing weight (23) and the protecting cover (32).

3. A gas sampling apparatus according to claim 1, wherein the shielding cover (33) is provided with a pumping hole (331), and the pumping hole (331) is respectively matched with the outer tube (311) and the inner tube (312).

4. The gas sampling device according to claim 1, wherein a winding frame (2) is fixedly installed on the storage box (1), and the winding roller (21) is rotatably arranged on the winding frame (2).

5. A gas sampling apparatus according to claim 1, wherein a plurality of brackets (313) are fixedly mounted between the outer tube (311) and the inner tube (312).

6. A gas sampling apparatus according to claim 1, wherein a plurality of one-way valves are fixedly mounted within the sampling controller (34).

7. A gas sampling arrangement according to claim 1, wherein the shield (32) is in particular a stainless steel metal shield.

8. A gas sampling apparatus according to claim 1, wherein a damping pad is fixedly mounted between the blocking member (35) and the shield (32).