CN210180752U

CN210180752U - Sampling and testing device for shale gas exploitation

Info

Publication number: CN210180752U
Application number: CN201920419995.3U
Authority: CN
Inventors: 薛军; 张茂林; 宋惠馨
Original assignee: Huian Taosheng Trading Co
Current assignee: Huian Taosheng Trading Co
Priority date: 2018-09-06
Filing date: 2019-03-29
Publication date: 2020-03-24
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a sampling test device for shale gas sampling, which comprises a frame, a gas source pipe, a metal hose, a buffer tank and a sampling bottle, wherein the middle part of the frame is horizontally provided with a transverse plate, the gas source pipe is communicated with the metal hose and a connecting pipe, the connecting pipe connecting branch pipe is communicated with the top of the buffer tank and is provided with a pressure gauge and a pressure relief pipe, the pressure relief pipe is communicated with a first waste gas tank through a pressure relief header pipe, the right side of each buffer tank is provided with an air inlet pipe which is communicated with the sampling bottle, the top of each sampling bottle is provided with an exhaust pipe, two exhaust pipes are communicated with a second waste gas tank through an exhaust header pipe, compared with the common shale gas sampling device, the utility model has the advantages of simple flow, convenient operation, safety and reasonability, and not only can ensure the purity of the collected shale gas, but also can collect impure gas in the collecting process, and cannot cause the pollution of the atmospheric environment.

Description

Sampling and testing device for shale gas exploitation

Technical Field

The utility model relates to a gaseous detection technical field, concretely relates to sampling test device that is used for shale gas to open adoption.

Background

The shale gas refers to unconventional natural gas which is endowed in a reservoir rock system mainly containing organic-rich shale, is biochemical formation gas, thermal formation gas or a mixture of the biochemical formation gas and the thermal formation gas which are continuously generated, can exist in a free state in natural cracks and pores, exists on the surfaces of kerogen and clay particles in an adsorption state, and is stored in a very small amount in the kerogen and the asphaltene in a dissolved state, wherein the proportion of the free gas is generally 20-85%. In China, the shale gas mainly contains methane, is a clean and efficient energy resource and chemical raw material, is mainly used for resident gas, urban heat supply, power generation, automobile fuel, chemical production and the like, and has very wide application, so that the exploitation of the shale gas is more and more emphasized.

However, most of the existing shale gas sampling and sampling devices are not high in gas production quality, are easily influenced by the external environment, are complex in gas production flow, and easily cause the problem of environmental pollution due to the fact that most of collected waste gas directly discharges air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling test device for shale gas is opened and is adopted to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sampling and sampling test device for shale gas exploitation comprises a frame, a gas source pipe, a metal hose, a connecting pipe, buffer tanks, an air inlet pipe and a sampling bottle, wherein the frame is of a cuboid structure, a transverse plate is horizontally arranged in the middle of the frame, the frame is divided into an upper part and a lower part by the transverse plate, the gas source pipe is communicated with the metal hose through a flange group, one end, away from the gas source pipe, of the metal hose is communicated with the connecting pipe through the flange group, one end, away from the metal hose, of the connecting pipe is communicated with two connecting branch pipes respectively after passing through a stop valve, the two connecting branch pipes are communicated with the two buffer tanks respectively, the tops of the two buffer tanks are provided with a pressure gauge and a pressure relief pipe, the two pressure relief pipes are provided with stop valves, the two pressure relief pipes are communicated with a first waste gas tank through a pressure relief main pipe, first waste gas tank top is provided with the manometer, every the buffer tank right side all be provided with an intake pipe, the one end intercommunication that the buffer tank was kept away from to the intake pipe has the sampling bottle, flange group and stop valve have set gradually in the intake pipe, every sampling bottle top all be provided with the blast pipe, two the blast pipe all be linked together through exhaust manifold and second waste gas tank, exhaust manifold and every the blast pipe on all be provided with flange group and stop valve, the top of second waste gas tank is provided with the manometer.

As a further aspect of the present invention: and a flowmeter and a check valve are arranged on the two connecting branch pipes.

As a further aspect of the present invention: every sampling bottle top all be provided with the sample manometer.

As a further aspect of the present invention: every the sample manometer all include pressure dial plate, communicating pipe, union, sampling tube and needle type valve, the both ends of communicating pipe are provided with pressure dial plate and union respectively, and the union is kept away from the one end and the sampling bottle intercommunication of communicating pipe, and the middle part of communicating pipe is provided with two sampling tubes, every the sampling tube on all be provided with the needle type valve.

As a further aspect of the present invention: four corners of the bottom of the frame are respectively provided with a universal wheel.

As a further aspect of the present invention: and a gas detector is arranged at the top of the frame.

Compare with common shale gas sampling device, the utility model discloses the flow is simple, convenient operation, and safe reasonable more, not only can guarantee the purity of the shale gas of gathering, still can take many bottles of shale gas simultaneously, is favorable to the contrast to experiment testing result, but also can collect the impure gas mixture in the acquisition process, can not cause atmospheric environment's pollution, in addition, also is favorable to the extraction of laboratory to shale gas.

Drawings

Fig. 1 is a schematic structural diagram of a sampling test device for shale gas exploitation.

Fig. 2 is an enlarged view of a-out of a sample sampling test apparatus for shale gas exploitation.

Fig. 3 is a schematic structural diagram of a sampling bottle in a sampling and testing device for shale gas exploitation.

In the figure: the device comprises a frame 1, a universal wheel 2, a transverse plate 3, a gas source pipe 4, a flange group 5, a metal hose 6, a connecting pipe 7, a stop valve 8, a connecting branch pipe 9, a flowmeter 10, a check valve 11, a buffer tank 12, a pressure gauge 13, a pressure relief pipe 14, a pressure relief main pipe 15, an air inlet pipe 16, a sampling bottle 17, a sampling pressure gauge 18, a pressure dial 181, a communicating pipe 182, a movable joint 183, a sampling pipe 184, a needle valve 185, an air exhaust pipe 19, an air exhaust main pipe 20, a first waste gas tank 21, a second waste gas tank 22 and a gas detector 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a sampling and sampling testing device for shale gas extraction includes a frame 1, a gas source pipe 4, a metal hose 6, a connecting pipe 7, buffer tanks 12, a gas inlet pipe 16 and a sampling bottle 17, where the frame 1 is a rectangular parallelepiped, a horizontal plate 3 is horizontally installed in the middle of the frame 1, the frame 1 is divided into an upper part and a lower part by the horizontal plate 3, the gas source pipe 4 is communicated with the metal hose 6 through a flange set 5, the metal hose 6 is more conveniently connected with the gas source pipe 4, one end of the metal hose 6 away from the gas source pipe 4 is communicated with the connecting pipe 7 through the flange set 5, one end of the connecting pipe 7 away from the metal hose is respectively communicated with two connecting branch pipes 9 after passing through a stop valve 8, the two connecting branch pipes 9 are respectively communicated with the two buffer tanks 12, a flow meter 10 and a check valve 11 are installed on the two, the top of two buffer tanks 12 is provided with a pressure gauge 13 and a pressure relief pipe 14, the two pressure relief pipes 14 are provided with a stop valve 8, the two pressure relief pipes 14 are communicated with a first waste gas tank 21 through a pressure relief header pipe 15, the pressure relief header pipe 15 is provided with a flange set 5 and a stop valve 8, the top of the first waste gas tank 21 is provided with the pressure gauge 13, the right side of each buffer tank 12 is provided with an air inlet pipe 16, one end of the air inlet pipe 16 far away from the buffer tank 12 is communicated with a sampling bottle 17, the air inlet pipe 16 is sequentially provided with the flange set 5 and the stop valve 8, the top of each sampling bottle 17 is provided with a sampling pressure gauge 18 and an exhaust pipe 19, the two exhaust pipes 19 are communicated with a second waste gas tank 22 through an exhaust header pipe 20, the exhaust header pipe 20 and each exhaust pipe 19 are provided with the flange set 5 and the stop valve 8, the top of the second exhaust gas tank 22 is provided with a pressure gauge 13.

The working principle of the embodiment is as follows: when the sampling test device for shale gas exploitation is used, the device is moved to a shale gas production pipeline to reserve a gas source pipe 4, a metal hose 6 and the gas source pipe 4 are connected and fixed through a flange group 5, the opening and closing states of stop valves 8 on all pipelines are checked, after the check is confirmed, a valve (not shown in the figure) on the gas source pipe 4 is opened, a shale gas source enters a buffer tank 12 through a connecting pipe 7 and a connecting branch pipe 9, after shale gas passes through the device for a period of time, original gas in the device is discharged, gas exploitation is started, the part of waste gas enters a first waste gas tank 21 and a second waste gas tank 22 respectively for collection and treatment, the pressure in the buffer tank 12 and a sampling bottle 17 is observed through a pressure gauge 13 and a sampling pressure gauge 18, after the gas in the sampling bottle 17 is full of gas, the sampling bottle 17 and the stop valves 8 on the connecting pipe 7 are closed, the sampling bottle 17 is detached and sent to a laboratory for testing.

Compare with common shale gas sampling device, the utility model discloses the flow is simple, convenient operation, and safe reasonable more, not only can guarantee the purity of the shale gas of gathering, still can take many bottles of shale gas simultaneously, is favorable to the contrast to experiment testing result, but also can collect the impure mixer in the collecting process, can not cause atmospheric environment's pollution.

Example 2

Referring to fig. 2, in this embodiment, a sampling pressure gauge 18 is mainly upgraded to facilitate an analysis experiment on shale gas in a sampling bottle 17, each sampling pressure gauge 18 includes a pressure dial 181, a communicating pipe 182, a movable joint 183, sampling pipes 184 and a needle valve 185, the pressure dial 181 and the movable joint 183 are respectively disposed at two ends of the communicating pipe 182, one end of the movable joint 183, which is far away from the communicating pipe 182, is communicated with the sampling bottle 17, two sampling pipes 184 are disposed at the middle of the communicating pipe 182, and a needle valve 185 is disposed on each sampling pipe 184.

Here, when the laboratory carries out extraction analysis to the shale gas in the sampling bottle 17, only need can accomplish through sample manometer 18, with the gaseous experimental apparatus intercommunication on sampling tube 184, slowly open the needle valve 185 on the sample manometer 18, just can accomplish the extraction of shale gas, it is very convenient.

Example 3

Referring to fig. 1, in the embodiment, a frame 1 is upgraded to make the device more convenient and safer to use, that is, four corners of the bottom of the frame 1 are respectively provided with a universal wheel 2, and the top of the frame 1 is provided with a gas detector 23.

Here, universal wheel 2 is convenient for the removal of whole device, and labour saving and time saving during the use more, and gas detection appearance 23 can effectively detect oxygen and other gaseous contents in the air, and when taking place gas leakage, gas detection appearance 23 just can send out the police dispatch newspaper, reminds the staff, has ensured staff's safety.

It should be particularly noted that, in this technical scheme, frame 1, connecting pipe 7, buffer tank 12 and sampling bottle 17 etc. are prior art's application, and metal collapsible tube 6, sample manometer 18 and the concrete installation of gas detector 23 etc., structure are the innovation point of this application, and its simple structure, convenient to use, beneficial effect is showing, collects mixing waste gas at the in-process of gas collection, has avoided environmental pollution, also can ensure the safety of gas production in-process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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

1. The utility model provides a sampling test device that is used for shale gas to open and adopts, includes frame (1), air source pipe (4), metal collapsible tube (6), connecting pipe (7), buffer tank (12), intake pipe (16) and sampling bottle (17), its characterized in that, frame (1) is the cuboid structure, and the middle part horizontal installation of frame (1) has diaphragm (3), and diaphragm (3) divide into upper and lower two parts with frame (1), air source pipe (4) are through flange group (5) and metal collapsible tube (6) intercommunication, and the one end that metal collapsible tube (4) were kept away from in metal collapsible tube (6) is through flange group (5) and connecting pipe (7) intercommunication, and the one end that metal collapsible tube (6) were kept away from in connecting pipe (7) is passed through behind stop valve (8) respectively with two connecting branch pipe (9) intercommunications, two connecting branch pipe (9) communicate with two buffer tank (12) respectively, the top of two buffer tanks (12) is provided with a pressure gauge (13) and a pressure relief pipe (14), the two pressure relief pipes (14) are provided with stop valves (8), the two pressure relief pipes (14) are communicated with a first waste gas tank (21) through a pressure relief header pipe (15), the pressure relief header pipe (15) is provided with a flange set (5) and a stop valve (8), the top of the first waste gas tank (21) is provided with the pressure gauge (13), the right side of each buffer tank (12) is provided with an air inlet pipe (16), one end of the air inlet pipe (16) far away from the buffer tanks (12) is communicated with a sampling bottle (17), the air inlet pipe (16) is sequentially provided with the flange set (5) and the stop valve (8), the top of each sampling bottle (17) is provided with an exhaust pipe (19), and the two exhaust pipes (19) are communicated with a second waste gas tank (22) through an exhaust header pipe (20), the exhaust manifold (20) and each exhaust pipe (19) on all be provided with flange group (5) and stop valve (8), the top of second waste gas tank (22) is provided with manometer (13).

2. Sampling and sampling test device for shale gas exploitation according to claim 1, characterized in that a flow meter (10) and a check valve (11) are mounted on both of the connecting branches (9).

3. A sampling and testing device for shale gas exploitation as claimed in claim 1, wherein a sampling pressure gauge (18) is provided on top of each sampling bottle (17).

4. The sampling and testing device for shale gas exploitation according to claim 3, wherein each sampling pressure gauge (18) comprises a pressure dial (181), a communicating pipe (182), a movable joint (183), sampling pipes (184) and a needle valve (185), the two ends of the communicating pipe (182) are respectively provided with the pressure dial (181) and the movable joint (183), one end of the movable joint (183) far away from the communicating pipe (182) is communicated with the sampling bottle (17), the middle part of the communicating pipe (182) is provided with the two sampling pipes (184), and each sampling pipe (184) is provided with the needle valve (185).

5. The sampling and testing device for shale gas exploitation according to claim 1, wherein four corners of the bottom of the frame (1) are respectively provided with a universal wheel (2).

6. Sample sampling test device for shale gas exploitation according to claim 1, characterized in that a gas detector (23) is provided at the top of the frame (1).