CN209132051U - A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment - Google Patents
A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment Download PDFInfo
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- CN209132051U CN209132051U CN201821460838.9U CN201821460838U CN209132051U CN 209132051 U CN209132051 U CN 209132051U CN 201821460838 U CN201821460838 U CN 201821460838U CN 209132051 U CN209132051 U CN 209132051U
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Abstract
The utility model discloses a kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipments, belong to natural gas extraction technical field, it is characterized by also including level-one regulators, two stage pressure regulator, first two-position three-way valve, second two-position three-way valve and blow-down pipe, the level-one regulator inlet end is provided with a pressure gauge universal joint and a pipeline control switch, level-one regulator gas outlet is connect with the two stage pressure regulator air inlet by the first two-position three-way valve, another gas outlet of first two-position three-way valve connects a sampling steel cylinder universal joint, a pipeline control switch and the second two-position three-way valve is arranged in the two stage pressure regulator gas outlet, second two-position three-way valve, two gas outlets are connect with the blow-down pipe and a sampling steel cylinder universal joint respectively, the sampling steel cylinder is only It erects and is placed on firm banking.The utility model structure is simple, small in size, easy to carry, and practicability is splendid.
Description
Technical field
The utility model relates to natural gas extraction technical field more particularly to a kind of sulfur-containing gas sampling steel cylinder front ends just
Take formula multilevel decompression device.
Background technique
Sampling analysis is the main means of natural gas well production performance observation.Wherein, oil pressure sampling it is general not well head into
Row operation, is carried out by the sample point in the gathering and transferring process of station, and sampling operation pressure is lower (being generally not more than 9MPa).However,
Annular space phenomenon with pressure is generally existing in high-pressure gas well at home and abroad, and especially abnormal pressure occurs in high-hydrogen sulfide gas well annular space,
Influence whether that gas well is kept the safety in production, it is to diagnose and administer annular space to play one of the important means of pressure extremely that annular space, which plays pressure analysis, is sampled
It is turned into a kind of very common operation.
In the prior art, China Patent No. is that " ZL201210225594.7 " discloses a kind of " novel throttling decompression dress
Set ", the applying date is on July 3rd, 2012, and publication date is on October 10th, 2012, which mainly includes elasticity
Retaining ring, throttling element, gasket, bushing, regulating valve, plug, nut, annular groove, step, throttle orifice.Throttling element is installed in bushing,
Bushing outlet end is connected with regulating valve arrival end；An annular groove and a step are provided in bushing；Throttling element is provided with multiple sections along axis
Circular cone type hole, cylindrical hole, hyperbola type hole, parabola type hole, circular arc line can be used in discharge orifice, the shape of these throttle orifices respectively
One of type hole；Throttling element arrival end is contacted with circlip, and throttling element outlet end is contacted with gasket；The spiral shell of the plug
Bar passes through the throttle orifice of throttling element, plug and throttling element entrance end in contact；The nut loaded on plug screw rod on, and with throttling
Part exports end in contact；Gasket is mounted on the step in bushing.Good throttle effect of the present invention, reliable operation, maintenance and replacement
It is convenient.
But during existing natural gas sampling analysis, dropping equipment there is a problem in that: 1, it is common on gas field
It is 9MPa that sampling steel cylinder, which generally uses pressure, is able to satisfy the normalization operation needs of gas well waterout monitoring oil pressure sampling.But needle
To annular space air pressure gas well, dedicated fixed sampling throttling set occupied space is built greatly and higher cost；2, some high-pressure gas wells
Oil jacket annulus pressure is even as high as 20MPa or more, only by the casing pressure control valve on christmas tree and the section on sampling steel cylinder
Valve is flowed, pressure is accurately controlled within steel cylinder voltage limiting value, operation difficulty is very big, and there are great security risks.
Utility model content
The utility model aims to solve the problem that the above-mentioned problems in the prior art, provides a kind of sulfur-containing gas sampling steel cylinder
Front end Portable multistage dropping equipment, the utility model structure is simple, occupies little space, easy to carry, using multilevel decompression side
Formula ensures that gas sampled air pressure is reduced to required pressure.
In order to achieve the above-mentioned object of the invention, the technical solution of the utility model is as follows:
A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment, including pressure gauge universal joint, pipeline
Control switch, high pressure sulfur resistive sample hose, pipe clamp, firm banking, sampling steel cylinder, sampling steel cylinder universal joint, it is characterised in that:
It further include level-one regulator, two stage pressure regulator, the first two-position three-way valve, the second two-position three-way valve and blow-down pipe, it is described
Level-one regulator inlet end is provided with a pressure gauge universal joint and a pipeline control switch, the level-one regulator
Gas outlet is connect with the two stage pressure regulator air inlet by the first two-position three-way valve, and first two-position three-way valve is another out
Port connects a sampling steel cylinder universal joint, and a pipeline control switch and second is arranged in the two stage pressure regulator gas outlet
Two-position three-way valve, second two-position three-way valve, two gas outlets respectively with a blow-down pipe and sampling steel cylinder is general connects
Head connection, the sampling steel cylinder are independently disposed on firm banking.
Each component samples hose connection by high pressure sulfur resistive；The high pressure sulfur resistive sampling hose is solid by the pipe clamp
Due on the firm banking.
The level-one regulator includes a pressure regulator valve and two pressure gauges being respectively arranged at before and after pressure regulator valve, described
Two stage pressure regulator includes that a pressure regulator valve and one are set to the subsequent pressure gauge of pressure regulator valve.
Described two sampling steel cylinder universal joints can individually be connect with the sampling steel cylinder.
The blowdown piping can be connect with lye tank, by the residual air neutralisation treatment in pipeline.
The firm banking is general steel plate, and a handrail is respectively welded in the firm banking two sides.
The beneficial effects of the utility model are mainly manifested in following aspect:
(1) the utility model further includes level-one regulator, two stage pressure regulator, the first two-position three-way valve, the second two
Triple valve and blow-down pipe, the level-one regulator inlet end are provided with a pressure gauge universal joint and a pipeline control
Switch, level-one regulator gas outlet are connect with the two stage pressure regulator air inlet by the first two-position three-way valve, institute
It states another gas outlet of the first two-position three-way valve and connects a sampling steel cylinder universal joint, the two stage pressure regulator gas outlet setting
One pipeline control switch and the second two-position three-way valve, second two-position three-way valve, two gas outlets respectively with the blow-down pipe
Line and a sampling steel cylinder universal joint connection.Level-one regulator and two stage pressure regulator are connected in series, and in pressure regulation
Two-position three-way valve is set between device when can make practical application, decompression amount is changed according to the specific air pressure of institute's gas production body, and second liang
The blow-down pipe of position three-way valve connection the residual air in sampling pipe can be discharged, and prevent residual air residual from generating corrosion to device；
The sampling steel cylinder is independently disposed on firm banking, and sampling steel cylinder is set on firm banking and reduces space hold.
(2) the utility model, each component sample hose connection by high pressure sulfur resistive；The high pressure sulfur resistive samples hose
It is fixed on the firm banking by the pipe clamp, high pressure sulfur resistive sampling hose has high pressure resistant and prevents sulfide corrosion
Effect is fixed and reduces the space hold of whole device on the fixed base.
(3) the utility model, before the level-one regulator is respectively arranged at pressure regulator valve including a pressure regulator valve and two
Pressure gauge afterwards, the pressure gauge for being set to pressure regulator valve rear end can determine the gas pressure after level-one is depressured, so as to
Determine whether that second level is taken to be depressured, the two stage pressure regulator includes that a pressure regulator valve and one are set to the subsequent pressure of pressure regulator valve
Pressure gauge in power table second level dropping equipment can determine into the gas pressure in sampling steel cylinder.
(4) the utility model, described two sampling steel cylinder universal joints can individually connect with the sampling steel cylinder, take
Level-one decompression or second level decompression air pressure gas up to standard can be passed through sampling steel cylinder in a manner of most direct.
(5) the utility model, the blowdown piping can be connect with lye tank, can be with by the residual air neutralisation treatment in pipeline
Preferably prevent the pollution of the environment.
(6) the utility model, the firm banking are general steel plate, and a handrail is respectively welded in the firm banking two sides,
Whole device structure is simple, easy to carry.
Detailed description of the invention
Fig. 1 is the utility model connection schematic diagram；
Wherein, 1, pressure gauge universal joint, 2, pipeline control switch, 3, high pressure sulfur resistive sampling hose, 4, pipe clamp, 5, fixation
Pedestal, 6, sampling steel cylinder, 7, sampling steel cylinder universal joint, 8, level-one regulator, 9, two stage pressure regulator, 10, the first two
Triple valve, the 11, second two-position three-way valve, 12, blow-down pipe, 13, pressure regulator valve, 14, pressure gauge, 15, handrail.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1
Referring to Fig. 1, a kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment, including pressure gauge is general connects
First 1, pipeline control switch 2, high pressure sulfur resistive sampling hose 3, pipe clamp 4, firm banking 5, sampling steel cylinder 6, sampling steel cylinder is general connects
First 7, it further include level-one regulator 8, two stage pressure regulator 9, the first two-position three-way valve 10, the second two-position three-way valve 11 and emptying
Pipeline 12,8 inlet end of level-one regulator are provided with a pressure gauge universal joint 1 and a pipeline control switch 2, institute
It states 8 gas outlet of level-one regulator and 9 air inlet of two stage pressure regulator to connect by the first two-position three-way valve 10, described the
Another gas outlet of one two-position three-way valve 10 connects a sampling steel cylinder universal joint 7,9 gas outlet of the two stage pressure regulator setting
One pipeline control switch 2 and the second two-position three-way valve 11, second two-position three-way valve, 11 two gas outlets respectively with it is described
Blow-down pipe 12 and a sampling steel cylinder universal joint 7 connect, and the sampling steel cylinder 6 is independently disposed on firm banking 5.
The present embodiment is most basic embodiment, in use, the pressure gauge universal joint of level-one regulator front end can
It is directly mounted at wellhead sampling point pressure epitope to set, level-one regulator and two stage pressure regulator is connected in series, and work as at it
Level-one or second voltage regulation, second voltage regulation may be selected according to the pressure size situation of institute's sampled well in one two-position three-way valve of middle setting
The two-position three-way valve of device rear end installation releases to the residual air in the device pipeline after the completion of can realizing sampling.
Embodiment 2
Referring to Fig. 1, a kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment, including pressure gauge is general connects
First 1, pipeline control switch 2, high pressure sulfur resistive sampling hose 3, pipe clamp 4, firm banking 5, sampling steel cylinder 6, sampling steel cylinder is general connects
First 7, it further include level-one regulator 8, two stage pressure regulator 9, the first two-position three-way valve 10, the second two-position three-way valve 11 and emptying
Pipeline 12,8 inlet end of level-one regulator are provided with a pressure gauge universal joint 1 and a pipeline control switch 2, institute
It states 8 gas outlet of level-one regulator and 9 air inlet of two stage pressure regulator to connect by the first two-position three-way valve 10, described the
Another gas outlet of one two-position three-way valve 10 connects a sampling steel cylinder universal joint 7,9 gas outlet of the two stage pressure regulator setting
One pipeline control switch 2 and the second two-position three-way valve 11, second two-position three-way valve, 11 two gas outlets respectively with it is described
Blow-down pipe 12 and a sampling steel cylinder universal joint 7 connect, and the sampling steel cylinder 6 is independently disposed on firm banking 5.
Each component samples hose 3 by high pressure sulfur resistive and connects；The high pressure sulfur resistive sampling hose 3 passes through the pipe clamp
4 are fixed on the firm banking 5.
The level-one regulator 8 includes the pressure gauge that a pressure regulator valve 13 and two are respectively arranged at 13 front and back of pressure regulator valve
14, the two stage pressure regulator 9 includes that a pressure regulator valve 13 and one are set to the subsequent pressure gauge 14 of pressure regulator valve 13.
The present embodiment is a better embodiment, in use, high pressure sulfur resistive sampling hose has high pressure resistant and prevents from vulcanizing
The effect of object corrosion is fixed and reduces the space hold of whole device on the fixed base；Level-one regulator and second level tune
The pressure gauge being arranged on pressure device can determine that sampled gas takes level-one decompression or second level decompression, and can be after decompression
Gas real-time air pressure.
Embodiment 3
Referring to Fig. 1, a kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment, including pressure gauge is general connects
First 1, pipeline control switch 2, high pressure sulfur resistive sampling hose 3, pipe clamp 4, firm banking 5, sampling steel cylinder 6, sampling steel cylinder is general connects
First 7, it further include level-one regulator 8, two stage pressure regulator 9, the first two-position three-way valve 10, the second two-position three-way valve 11 and emptying
Pipeline 12,8 inlet end of level-one regulator are provided with a pressure gauge universal joint 1 and a pipeline control switch 2, institute
It states 8 gas outlet of level-one regulator and 9 air inlet of two stage pressure regulator to connect by the first two-position three-way valve 10, described the
Another gas outlet of one two-position three-way valve 10 connects a sampling steel cylinder universal joint 7,9 gas outlet of the two stage pressure regulator setting
One pipeline control switch 2 and the second two-position three-way valve 11, second two-position three-way valve, 11 two gas outlets respectively with it is described
Blow-down pipe 12 and a sampling steel cylinder universal joint 7 connect, and the sampling steel cylinder 6 is independently disposed on firm banking 5.
Each component samples hose 3 by high pressure sulfur resistive and connects；The high pressure sulfur resistive sampling hose 3 passes through the pipe clamp
4 are fixed on the firm banking 5.
The level-one regulator 8 includes the pressure gauge that a pressure regulator valve 13 and two are respectively arranged at 13 front and back of pressure regulator valve
14, the two stage pressure regulator 9 includes that a pressure regulator valve 13 and one are set to the subsequent pressure gauge 14 of pressure regulator valve 13.
Described two sampling steel cylinder universal joints 7 can individually be connect with the sampling steel cylinder 6.
The blowdown piping can be connect with lye tank, by the residual air neutralisation treatment in pipeline.
The firm banking 5 is general steel plate, and a handrail 15 is respectively welded in 5 two sides of firm banking.
The present embodiment is preferred forms, respectively arranged after level-one regulator and two stage pressure regulator pipeline to take
Sample cylinder joint, by opening and closing the pipeline control switch in pipeline, so that no matter the gas in sampled well passes through level-one decompression
Or second level decompression, can be passed directly into sampling steel cylinder；Blowdown piping is connect with lye tank enables the residual air in pipeline to obtain
To dealing carefully with, the pollution of environment is avoided；Whole device is set on steel plate to and is welded on the steel plate handrail, so that whole
A device can carry installation easily.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (6)
1. a kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment, including pressure gauge universal joint (1), pipeline
Control switch (2), high pressure sulfur resistive sampling hose (3), pipe clamp (4), firm banking (5), sampling steel cylinder (6), sampling steel cylinder are general
Connector (7), it is characterised in that: further include level-one regulator (8), two stage pressure regulator (9), the first two-position three-way valve (10),
Second two-position three-way valve (11) and blow-down pipe (12), it is logical that level-one regulator (8) inlet end is provided with a pressure gauge
With connector (1) and a pipeline control switch (2), level-one regulator (8) gas outlet and the two stage pressure regulator (9)
Air inlet is connected by the first two-position three-way valve (10), and another gas outlet of the first two-position three-way valve (10) connects a sampling
A pipeline control switch (2) and the second two three is arranged in steel cylinder universal joint (7), two stage pressure regulator (9) gas outlet
Port valve (11), (11) two gas outlets of second two-position three-way valve respectively with the blow-down pipe (12) and a sampling steel cylinder
Universal joint (7) connection, the sampling steel cylinder (6) are independently disposed on firm banking (5).
2. a kind of sulfur-containing gas sampling steel cylinder front end according to claim 1 Portable multistage dropping equipment, feature
Be: each component passes through high pressure sulfur resistive sampling hose (3) connection；High pressure sulfur resistive sampling hose (3) passes through the pipe
Card (4) is fixed on the firm banking (5).
3. a kind of sulfur-containing gas sampling steel cylinder front end according to claim 1 Portable multistage dropping equipment, feature
Be: the level-one regulator (8) includes a pressure regulator valve (13) and two pressures being respectively arranged at before and after pressure regulator valve (13)
Power table (14), the two stage pressure regulator (9) include that a pressure regulator valve (13) and one are set to pressure regulator valve (13) subsequent pressure
Power table (14).
4. a kind of sulfur-containing gas sampling steel cylinder front end according to claim 1 Portable multistage dropping equipment, feature
Be: described two sampling steel cylinder universal joints (7) can individually connect with the sampling steel cylinder (6).
5. a kind of sulfur-containing gas sampling steel cylinder front end according to claim 1 Portable multistage dropping equipment, feature
Be: the blowdown piping can be connect with lye tank, by the residual air neutralisation treatment in pipeline.
6. a kind of sulfur-containing gas sampling steel cylinder front end according to claim 1 Portable multistage dropping equipment, feature
Be: the firm banking (5) is general steel plate, and a handrail (15) is respectively welded in firm banking (5) two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460838.9U CN209132051U (en) | 2018-09-07 | 2018-09-07 | A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460838.9U CN209132051U (en) | 2018-09-07 | 2018-09-07 | A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment |
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| CN209132051U true CN209132051U (en) | 2019-07-19 |
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| CN201821460838.9U Active CN209132051U (en) | 2018-09-07 | 2018-09-07 | A kind of sulfur-containing gas sampling steel cylinder front end Portable multistage dropping equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470814A (en) * | 2019-08-08 | 2019-11-19 | 张忠青 | For discharging the device of high pressure formation sample |
| CN112304718A (en) * | 2019-07-30 | 2021-02-02 | 中国石油化工股份有限公司 | Sulfur-containing natural gas sampling system |
-
2018
- 2018-09-07 CN CN201821460838.9U patent/CN209132051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304718A (en) * | 2019-07-30 | 2021-02-02 | 中国石油化工股份有限公司 | Sulfur-containing natural gas sampling system |
| CN110470814A (en) * | 2019-08-08 | 2019-11-19 | 张忠青 | For discharging the device of high pressure formation sample |
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