CN208432444U - Solution gas negative pressure sampler - Google Patents
Solution gas negative pressure sampler Download PDFInfo
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- CN208432444U CN208432444U CN201820964051.XU CN201820964051U CN208432444U CN 208432444 U CN208432444 U CN 208432444U CN 201820964051 U CN201820964051 U CN 201820964051U CN 208432444 U CN208432444 U CN 208432444U
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- piston
- gas
- negative pressure
- lead screw
- glass tube
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Abstract
The utility model provides solution gas negative pressure sampler, is realized by following technological means: it is mainly made of gas-liquid connector 1, positive-negative pressure gauge 2, fixed screw 3, metal cylinder 4, glass tube 5, piston 6, lead screw 7, escape pipe 8, capping 9, air outlet valve 10 and crank 11.The utility model has the beneficial effects that design is reasonable and practical, due to being provided with escape pipe and air outlet valve on piston, sampling is safe and reliable, it is convenient to use, it avoids hazardous gas to leak, has ensured operator's physical and mental health, saved working time, productivity effect is improved, popularity is suitble to use.
Description
Technical field
The utility model relates to sampler technical fields, especially solution gas negative pressure sampler
Background technique
Current gas sample collector can only be directed in the presence of having free state gas and sample.When there are gas in liquid
Body, but under stress gas all dissolution or micro precipitation in the case where, gas sample can not be carried out.Such as in oil field shaft mouth pipe
Want on road obtain natural gas gas sample, when testing hydrogen sulfide content, can only just dress positive pressure respirator, during discharge into
Row sampling and testing, it is time-consuming and laborious, seriously affect daily production and economic benefit.
Utility model content
It is to be realized by following technological means: gas the purpose of this utility model is to provide solution gas negative pressure sampler
Liquid connector is connected on pressure piping valve to be detected with screw thread, quick coupling, flange method, and is sealed, in gas-liquid connector
Portion sets gas-liquid access, and one end connects positive-negative pressure gauge, and the other end connects the cylindrical cavity being made of glass tube and piston, gas-liquid
Connector top sets annular groove receiving O-ring and glass tube forms reliable sealing, and gas-liquid connector and metal cylinder are with fixed screw shape
At rigid connection, gas-liquid connector and capping are threadably fixed on the both ends of metal cylinder by fixed screw, constitute sampler
Shell, the edge that upper piston area is equipped with counterbore and lead screw protrusion moves in a circle, and makes piston that lead screw be followed to move up and down, piston
It is equipped with through-hole and accommodates escape pipe, escape pipe and piston gluing, screw thread mode link together, and are formed simultaneously sealing, outlet
Valve one end connects escape pipe, and the other end connects the connector of sampling container, and lead screw is blocked in the fixation of crank one end.
Metal cylinder be it is round tubular, and be provided with peep hole, inserted between metal cylinder and glass tube epoxy resin or its
His material forms effective support to glass tube to transmit pressure, improves glass tube voltage endurance capability.Both ends respectively with gas-liquid import
It is reliably connected with capping by fixed screw formation, constitutes the shell of sampler.Glass tube can be quartz glass tube and be also possible to
Lucite tube or the production of other transparent materials, the peep hole that can pass through metal cylinder see inside.Glass tube accommodates piston and exists
Interior movement, and formed and sealed by O-ring, it is ensured that piston lower portion space is sealed and can be observed.Piston is short cylinder,
It is provided with annular groove on periphery and accommodates O-ring, is formed and is sealed with glass tube.Upper piston area, which is provided with counterbore, can accommodate lead screw protrusion
Edge moves in a circle, and the head for being equipped with round thin lid and can limiting lead screw protrusion moves up and down, and thin cover can be with high-strength with piston
Spend glue bond, it is also possible to which screw is fixed.Be additionally provided with through-hole on piston and accommodate escape pipe, escape pipe and piston gluing, screw thread or
Other modes link together and form sealing.Lead screw one end connection piston can simultaneously move in a circle in piston, and the other end is stretched
The internal screw thread connection air outlet valve and wiper block and crank covered out, lead screw and capping, which include screw thread and formed, to be cooperated, when rotating crank
It can cover and drive piston to move up and down for fulcrum, circular hole is gap in the wiper block in lead screw and wiper block and outlet valve portion
Cooperation, only constrain wiper block and air outlet valve to lead screw axle center distance.Escape pipe one end is fixed on one end on piston and passes through capping
Through-hole be connected with wiper block and air outlet valve, piston lower portion space gases can be connected to air outlet valve by tubule.Capping is logical
It crosses fixed screw to be connected with metal cylinder, lead screw rotation is supported to be threadedly engaged, with the activity direction of through-hole constraint escape pipe, limit
Glass tube processed shifts up.Wiper block and air outlet valve limit itself at a distance from lead screw center with the cylindrical hole that wiper block includes,
So that constraint of the escape pipe being connected on air outlet valve by 3 points one lines, guarantees that it will not be in use because of self-strength problem
Generate bending.Air outlet valve one end connection escape pipe one end connects the connector of suitable sampling container, can be switched on or off outlet
Channel.Crank one end is fixed to block lead screw, and hand, which rotates the other end, to rotate 7 lead screws with lesser power.
The utility model feature:
1, using screw-rod-driven and piston space in cylinder can change, the medium for entering sampler can be dropped
Pressure processing, can achieve negative pressure.
2, the peep hole opened up using cylinder can be pulled out gas process to feed liquor, decompression, negative pressure and be observed.See the positive and negative of connection
Pressure gauge, pressure change can be grasped at any time.
3, using the escape pipe and air outlet valve being arranged on piston, the property of can choose, which obtains gas, prevents liquid from entering outlet
Liquid pressure return pipe road, repetitive operation can be can get and detect enough gas samples by pipe, combination operation.Piston is equipped with circular aperture
The head that thin lid can limit lead screw protrusion moves up and down, and thin lid is glued with piston, or is screwed.
4, it can be moved towards using feature combination operation air outlet valve, sample connection valve, the crank in structure with double-direction control gas-liquid,
Medium can be obtained from pressure pipeline also can squeeze into medium into pipeline from the external world.
The utility model has the beneficial effects that design is reasonable and practical, due to being provided with escape pipe and air outlet valve on piston, take
Sample is safe and reliable, simple and compact for structure, is convenient for carrying, and avoids hazardous gas and leaks, and has ensured operator's physical and mental health, section
About working time, productivity effect is improved, popularity is suitble to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model embodiment 3.
Specific embodiment
As shown in Figure 1 to Figure 3, solution gas negative pressure sampler, mainly by gas-liquid connector 1, positive-negative pressure gauge 2, fixed spiral shell
Silk 3, metal cylinder 4, glass tube 5, piston 6, lead screw 7, escape pipe 8, capping 9, air outlet valve 10 and crank 11 are constituted.
Embodiment 1
See Fig. 1, rotation crank 11 drives lead screw 7 to rotate, in the case where capping 9 includes threaded function, lead screw 7 with piston 6 to
Lower movement excludes the air in glass tube 5, closes air outlet valve 10.Connect the pressure gauge that sampler gas-liquid connector 1 arrives well head pipeline
Valve or sample tap, it is ensured that sealed reliable, while crank 11 or handwheel be upward perpendicular to the ground for sampler.Open the pressure of well head pipeline
Table valve or sample tap valve slowly rotate crank 11, and gas or mixed liquor enter in glass tube 5 through 1 inlet channel of gas-liquid connector, just
Negative pressure table 2 indicates current internal pressure.When seeing from the observation window on metal cylinder 4 into medium, adopted according to its difference
Take corresponding operating.
Such as gas: the volume for making sample needs can be calculated according to pressure, and stop air inlet, close pressure gauge valve or sampling valve.
Continue pivots rocker 11, lead screw 7 increases with 5 internal volume of glass tube with 6 uplink of piston, when pressure drops to desired value, can connect
Suitable vessel (such as the syringe or gas sampling bag of emptying) is connect at air outlet valve 10, opens air outlet valve 10, space in sampler
Through escape pipe 8 and reservoir, crank 11 is reversely rotated, lead screw 7 is with 6 downlink of piston, space compression in sampler, gas warp
Escape pipe 8 and air outlet valve 10 are transferred to container, close air outlet valve 10 and complete sampling.Sampler is interior if any surplus after obtaining enough samples
Residual air body, pressure gauge valve or sample tap valve on openable well head pipeline continue to rotate crank 11, by medium in glass tube 5
It pushes back in pipeline.
Such as liquid: can appropriate more feed liquors, guarantee that a sampler at least half volume is spare.Close pressure gauge valve or sampling valve.
Continue to rotate crank 11, lead screw 7 is with 6 uplink of piston.Increase with 5 internal volume of glass tube, pressure decline, until negative pressure and stabilization
It is kept for certain time, whether there is or not gas evolutions for liquid level in observation glass tube 5, such as the pipeline internal medium can be confirmed without gas without gas evolution
Body, pressure gauge valve or sample tap valve on openable well head pipeline rotate crank 11, and lead screw 7 is with 6 downlink of piston, by glass
Medium pushes back in pipeline in glass pipe 5.If any gas evolution, the valve of pressure pipeline can be closed, makes space-closed in sampler, is rotated
Crank 11, by lead screw 7 with piston 6, adjustment container internal volume, so that container inner pressure is zero.Suitable vessel is connected (as arranged
Empty syringe or gas sampling bag) it arrives at air outlet valve 10, opening air outlet valve 10, space and reservoir in sampler, reversely
Rotate crank 11,6 downlink of piston, space compression in sampler, gas is transferred to container through escape pipe 8 and air outlet valve 10, closes
Air outlet valve 10.When once-through operation cannot obtain enough sample gas, the pressure gauge valve or sample tap valve of openable well head pipeline are driven
6 downlink of piston, will be depressured in glass tube 5 or liquid pressure return pipe road that Negative pressure is crossed in.It operates, draws before repeating again
Enter liquid and carry out decompression processing, until obtaining enough gas samples.
After obtaining enough samples, behind Gas fluid pressure return pipe road, the pressure gauge valve or sample tap of well head pipeline can be closed, is risen
Piston 6, pressure is reduced to zero or negative pressure in sampler, and connection is rinsed or the liquid (such as water or solvent naphtha) of replacement is to gas outlet,
Air outlet valve 10 is opened, continues to drive 6 uplink of piston, negative pressure can suck in liquid to sampler, close air outlet valve 10, drive piston
6 downlinks open the pressure gauge valve or sample tap valve of well head pipeline, will suck liquid when pressure is higher than pipeline pressure in device to be sampled
Body is pressed into pipeline, and sampler is cleaned, and existing pipeline internal medium is replaced or cleans in gap.
Embodiment 2
See that Fig. 2, gas-liquid connector 1 are connected on pressure piping valve to be detected in a manner of screw thread or special joint, and can
Comprising using O-ring sealing or gluing and heat seal process, shape between plastic seat 3, with plastic seat 3 inside sealing, gas-liquid connector 1
At reliable sealing.For gas-liquid connector 1 with metal cylinder 4 using being weldingly connected, lateral opening hole welds or is threadedly coupled pressure tapping,
To connect positive-negative pressure gauge 2, gas-liquid access is set in plastic seat 3, one end connect positive-negative pressure gauge with position with 1 aperture of gas-liquid connector
2, one end connection is by the cylindrical cavity that glass tube 5 and piston 6 are constituted.3 top of plastic seat sets annular groove and accommodates O-ring and glass
Glass pipe 5 forms reliable sealing, and support glass pipe 5 does not move down.
Positive-negative pressure gauge 2 is connected to gas-liquid connector 1, and there is reliable sealing in junction, and can indicate the pressure in sampler
Value.Metal cylinder 4 be it is round tubular, and be provided with peep hole, inserted between metal cylinder 4 and glass tube 5 epoxy resin or other
Material forms effective support to glass tube to transmit pressure.One end and gas-liquid connector 1 weld, and one end sets 9 spiral shells of screw thread and capping
Line cooperatively forms connection, constitutes the firm shell of sampler.
Glass tube 5 can be quartz glass tube and be also possible to lucite tube or the production of other transparent materials, can pass through gold
The peep hole for belonging to cylinder 4 sees inside.It is mobile inside that glass tube 5 accommodates piston 6, and is formed and sealed by O-ring, it is ensured that piston
6 lower spaces are sealed and can be observed.Piston 6 is short cylinder, and annular groove is provided on periphery and accommodates O-ring, with glass
Glass pipe 5 forms sealing.6 top of piston, which is provided with counterbore and can accommodate the edge of the protrusion of lead screw 7, to move in a circle, and is equipped with round thin lid
The head that 7 protrusion of lead screw can be limited moves up and down, and thin lid can use high-intensitive glue bond with piston, it is also possible to which screw is fixed.Piston 6
On be additionally provided with through-hole and accommodate escape pipe 8, escape pipe 8 can link together with piston 6 with glue or other modes.7 one end of lead screw connects
Take over a job plug and can move in a circle in piston, and the other end stretches out the internal screw thread of capping 9, connect air outlet valve 10 and crank 11, silk
Thick stick 7 and capping 9, which include screw thread and formed, to be cooperated, and 9 can be covered when rotating crank 11 and drives piston 6 to move up and down for fulcrum, lead screw 7
It is clearance fit with circular hole in the wiper block in 10 part of air outlet valve, only constrains the distance that air outlet valve 10 arrives lead screw axle center.Outlet
8 one end of pipe is fixed on piston 6, and one end is connected by the through-hole of capping 9 with air outlet valve 10, can be by 6 lower space gas of piston
Body is connected to air outlet valve by tubule.
Capping 9 is connected by being threadedly engaged with metal cylinder 4, supports lead screw 7 to rotate to include to be threadedly engaged, about with through-hole
The activity direction of beam escape pipe 8, limitation glass tube 5 shift up.
Air outlet valve 10 limits itself at a distance from 7 center of lead screw with the circular hole that wiper block includes, so that being connected to air outlet valve
On constraint of the escape pipe 8 by 3 points one lines, guarantee that it will not be in use because self-strength problem generates bending.Air outlet valve
One end connects escape pipe 8, and one end connects the connector of suitable sampling container, can be switched on or off outlet passageway.Crank 11 1
End is fixed to block lead screw 7, and hand rotates the other end can be with lesser power rotating threaded shaft 7.
Embodiment 3
See that Fig. 3, gas-liquid connector 1 are connected on pressure piping valve to be detected in a manner of screw thread or special joint, and can
Comprising using O-ring sealing or gluing and heat seal process, shape between plastic seat 3, with plastic seat 3 inside sealing, gas-liquid connector 1
At reliable sealing.For gas-liquid connector 1 with metal cylinder 4 using being weldingly connected, lateral opening hole welds or is threadedly coupled pressure tapping,
To connect positive-negative pressure gauge 2, gas-liquid access is set in plastic seat 3, one end connect positive-negative pressure gauge with position with 1 aperture of gas-liquid connector
2, one end connection is by the cylindrical cavity that glass tube 5 and piston 6 are constituted.3 top of plastic seat sets annular groove and accommodates O-ring and glass
Glass pipe 5 forms reliable sealing, and support glass pipe 5 does not move down.Positive-negative pressure gauge 2 connects gas-liquid connector 1, and junction has reliable close
Envelope, and can indicate the pressure value in sampler.Metal cylinder 4 is round tubular, and is provided with peep hole, metal cylinder 4 and glass
Epoxy resin or other materials are inserted between glass pipe 5 to transmit pressure, and effective support is formed to glass tube.One end connects with gas-liquid
First 1 welding, one end set screw thread and are threadedly engaged to be formed and connect with capping 9, the composition firm shell of sampler.Glass tube 5 can be
Quartz glass tube is also possible to lucite tube or the production of other transparent materials, and the peep hole of permeable metal cylinder 4 is seen interior
Portion.Glass tube 5 accommodates the movement inside of piston 6, and passes through O-ring and form sealing, it is ensured that 6 lower space of piston is by sealing and energy quilt
It observes.
Piston 6 is short cylinder, and annular groove is provided on periphery and accommodates O-ring, is formed and is sealed with glass tube 5.On piston 6
Axial location is provided with ladder hole, and the edge that upper part hole can accommodate 7 protrusion of lead screw moves in a circle, and being equipped with round thin lid can
The head of 7 protrusion of limitation lead screw moves up and down, and thin lid can use high-intensitive glue bond with piston 6, it is also possible to which screw is fixed.Piston 6
Axis bottom hole accommodates 7 head tubule of lead screw, and is formed and sealed by O-ring, and 7 substructure of lead screw can be in piston 6 freely
Rotation, because the thin lid reason in 6 top of piston move up and down it is limited.7 one end of lead screw connection piston can simultaneously move in a circle in piston,
The other end stretches out the internal screw thread of capping 9, connects air outlet valve 10 and crank 11, and lead screw 7 and capping 9, which include screw thread and formed, to be cooperated, and turns
Shake and drive piston 6 to move up and down for fulcrum 9 can be covered when 11,8 one end of the channel of tracheae and air outlet valve 10 are set out in lead screw 7
It is connected, one end is connected with 6 lower space of piston, 6 lower space gas of piston can be connected to outlet by 8 channel of escape pipe
Valve.
The through-hole that escape pipe 8 can be in lead screw 7 is also possible to the capillary being inserted into lead screw 7, combines closely with lead screw 7
It is integrated.Play the role of 6 lower space gas conduction of piston to air outlet valve.Capping 9 is by being threadedly engaged and metal cylinder
It is connected, supports lead screw 7 to rotate to include to be threadedly engaged, limitation glass tube 5 shifts up.10 one end of air outlet valve connects in lead screw 7
Escape pipe 8, one end connects the connector of suitable sampling container, can be switched on or off outlet passageway.11 one end of crank is fixed
Lead screw is blocked, hand rotates the other end can be with lesser power rotating threaded shaft 7.
Only each portion's making material and connection type are different for embodiment 1 and embodiment 2, and application method is the same, and embodiment 3 uses
Cored screw replaces the escape pipe in embodiment 1,2, and appropriate adjustment, function and usage and reality are carried out at piston and air outlet valve
It is consistent to apply example 1,2.
Application prospect
Structure is adapted under pressure piping at present, and there is the gas sampling of free state or dissolution work in inside, especially
Natural gas is extracted in the mixed infusion of oil extraction in oil field well head to detect the work of hydrogen sulfide content.It can satisfy wanting for well head field sampling
It asks, the hazardous gas during improving the accuracy of assay and down-sampling leaks risk, ensures that operator is good for safely
Health.Suitable gate can also be connected in sampler feed liquor gas interface, it will be able to meet obtained in solution under normal pressure solution gas into
The requirement of row detection.
Claims (7)
1. solution gas negative pressure sampler, it is characterised in that: gas-liquid connector (1) with screw thread, quick coupling, flange method be connected to
It on the pressure piping valve of detection, and sealing, gas-liquid access is set inside gas-liquid connector (1), one end connects positive-negative pressure gauge (2),
The other end connects the cylindrical cavity being made of glass tube (5) and piston (6), and it is O-shaped that gas-liquid connector (1) top sets annular groove receiving
Circle forms reliable sealing with glass tube (5), and gas-liquid connector (1) and metal cylinder (4) are formed with fixed screw (3) to be rigidly connected,
Gas-liquid connector (1) and capping (9) are threadably fixed on the both ends of metal cylinder (4) by fixed screw (3), constitute sampler
Shell, the edge that piston (6) top is equipped with counterbore and lead screw (7) protrusion moves in a circle, and piston (6) is made to follow lead screw (7)
It moves up and down, piston (6) is equipped with through-hole and accommodates escape pipe (8), and escape pipe (8) is connect with piston (6) gluing, screw thread mode
Together, it is formed simultaneously sealing, air outlet valve (10) one end connects escape pipe (8), and the other end connects the connector of sampling container, shakes
Lead screw (7) are blocked in the fixation of (11) one end.
2. solution gas negative pressure sampler according to claim 1, it is characterised in that: the metal cylinder (4) is set as round
Tubulose, and it is provided with peep hole.
3. solution gas negative pressure sampler according to claim 1 or 2, it is characterised in that: the metal cylinder (4) and glass
Epoxy resin is inserted between pipe (5).
4. solution gas negative pressure sampler according to claim 1 or 2, it is characterised in that: the glass tube (5) can be stone
English glass tube is also possible to lucite tube production, and it is mobile inside that glass tube (5) accommodates piston (6).
5. solution gas negative pressure sampler according to claim 1 or 2, it is characterised in that: the piston (6) is set as short cylindrical
Body is provided with annular groove on periphery and accommodates O-ring, formed and sealed with glass tube (5).
6. solution gas negative pressure sampler according to claim 1 or 2, it is characterised in that: the piston (6) is equipped with round small
The head that the thin lid in hole can limit lead screw (7) protrusion moves up and down, and thin lid is glued with piston, or is screwed.
7. solution gas negative pressure sampler according to claim 1 or 2, it is characterised in that: crank (11) rotation, with envelope
Lid (9) is that fulcrum drives piston (6) to move up and down, and circular hole is gap in the wiper block in lead screw (7) and air outlet valve (10) part
Cooperation only constrains the distance for air outlet valve (10) arriving lead screw axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964051.XU CN208432444U (en) | 2018-06-22 | 2018-06-22 | Solution gas negative pressure sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964051.XU CN208432444U (en) | 2018-06-22 | 2018-06-22 | Solution gas negative pressure sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432444U true CN208432444U (en) | 2019-01-25 |
Family
ID=65101834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820964051.XU Active CN208432444U (en) | 2018-06-22 | 2018-06-22 | Solution gas negative pressure sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN208432444U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426752A (en) * | 2018-06-22 | 2018-08-21 | 杨宁 | Solution gas negative pressure sampler |
| CN110398396A (en) * | 2019-08-22 | 2019-11-01 | 中国航空油料有限责任公司浙江分公司 | A kind of aviation fuel thief-sampler syringe |
| CN114590495A (en) * | 2022-03-14 | 2022-06-07 | 安徽联化新材料有限公司 | Storage device for hydroxypropyl methacrylate |
-
2018
- 2018-06-22 CN CN201820964051.XU patent/CN208432444U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426752A (en) * | 2018-06-22 | 2018-08-21 | 杨宁 | Solution gas negative pressure sampler |
| CN110398396A (en) * | 2019-08-22 | 2019-11-01 | 中国航空油料有限责任公司浙江分公司 | A kind of aviation fuel thief-sampler syringe |
| CN110398396B (en) * | 2019-08-22 | 2020-06-30 | 中国航空油料有限责任公司浙江分公司 | Aviation oil water detector syringe |
| WO2021031530A1 (en) * | 2019-08-22 | 2021-02-25 | 中国航空油料有限责任公司浙江分公司 | Syringe for aviation gasoline water detector |
| CN114590495A (en) * | 2022-03-14 | 2022-06-07 | 安徽联化新材料有限公司 | Storage device for hydroxypropyl methacrylate |
| CN114590495B (en) * | 2022-03-14 | 2023-09-19 | 安徽联化新材料有限公司 | Storage for hydroxypropyl methacrylate |
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