CN209166920U - From pressure release confined gas sampler - Google Patents
From pressure release confined gas sampler Download PDFInfo
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- CN209166920U CN209166920U CN201821614644.XU CN201821614644U CN209166920U CN 209166920 U CN209166920 U CN 209166920U CN 201821614644 U CN201821614644 U CN 201821614644U CN 209166920 U CN209166920 U CN 209166920U
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- valve
- sample
- feeding pipe
- shut
- outlet pipe
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Abstract
The sample feeding pipe, sample outlet pipe that the utility model discloses one kind from pressure release confined gas sampler, including double-head steel bottle and configuration at double-head steel bottle both ends；Sample outlet pipe is installed in sample outlet pipe and empties shut-off valve, sample output valve；Sampling valve is installed on sample feeding pipe, sample feeding pipe empties shut-off valve；And sample outlet pipe empty shut-off valve, pass sequentially through operating condition switching valve in the sample outlet pipe between sample output valve, sample feeding pipe relief pipeline is connected to sampling valve, on the sample feeding pipe between sample feeding pipe emptying shut-off valve.Therefore, the sampler of the utility model works in different states: before sampling in sample feeding pipe in the discharge of outmoded sample, sampling double-head steel bottle early period and sample outlet pipe after the discharge, sampling of outmoded sample in sample feeding pipe extra sample pressure release.It follows that the more environmentally friendly safety of sampler described in the utility model, meanwhile, it is capable to collect fresh sample.
Description
Technical field
It is especially a kind of from pressure relief enclosed sampler the utility model relates to a kind of sampler, it is suitable for poisonous and harmful, easy
It fires explosive, needs the gas sampling of enclosed sampling.
Background technique
In petrochemical plant, in the various risk such as toxic, harmful, inflammable, explosive, low-pressure gas sampling, need
It is executed in strict accordance with the regulation and operation of SH0233-92 " liquefied petroleum gas sampling method ".Currently, meeting the closed of above-mentioned requirements
Sampler, as shown in Figure 1, including both-end steel cylinder, the both ends of both-end steel cylinder are equipped with take over respectively structure, and both-end steel cylinder one end
Straight-through valve is installed on adapter tube, explosion-proof valve is then installed on the adapter tube of the other end；In addition, the adapter tube of both-end steel cylinder one end is connect by pipeline
Head b is connect with one end of sampling pipeline a, and the other end of sampling pipeline a is equipped with pipe joint a；The adapter tube of the both-end steel cylinder other end
It is connect by pipe joint c with one end of sampling line b, the other end for sampling line b is equipped with pipe joint d.It follows that adopting
Sampled with such closed sampler, after sampling, sampling pipeline a, sampling line b in can entrapped gas, and
The general direct emission of these gases, does not meet environmental requirement, meanwhile, there is also security risks.
Summary of the invention
In view of the shortcomings of the prior art, the utility model provides a kind of from pressure relief enclosed sampler, can empty in time
The gas retained in sampling pipeline, Environmental Safety.
To realize above-mentioned technical purpose, the utility model will take the following technical solution:
For one kind from pressure release confined gas sampler, including double-head steel bottle, one end of double-head steel bottle is sample introduction end, be fitted with into
Sample pipe, the other end are sample outlet end, are fitted with sample outlet pipe；Sample outlet pipe emptying is successively installed according to the flow direction of fluid in sample outlet pipe to cut
Only valve, sample output valve；Sampling valve is successively installed according to the flow direction of fluid on sample feeding pipe, sample feeding pipe empties shut-off valve；And in sample out
Operating condition switching valve is passed sequentially through in sample outlet pipe between pipe emptying shut-off valve, sample output valve, sample feeding pipe relief pipeline is connected to sample introduction
On sample feeding pipe between valve, sample feeding pipe emptying shut-off valve；Wherein: sample feeding pipe emptying shut-off valve nestles up the sample introduction end of double-head steel bottle
Installation；And sample outlet pipe emptying shut-off valve nestles up the sample outlet end installation of double-head steel bottle.
The sampling valve is straight-through valve as a further improvement of the utility model, and the operating condition switching valve is three
Port valve.
The sampling valve and the operating condition switching valve are using mechanical connection as a further improvement of the utility model,
The mechanical linkage valve of dynamic control.
The mechanical linkage control device of the mechanical linkage valve is meshed as a further improvement of the utility model,
Gear drive, including triple valve gear and straight-through valve gear, and the diameter of straight-through valve gear is the diameter of triple valve gear
2 times；The regulation handle of triple valve gear and triple valve is connected, and straight-through valve gear then joins with the regulation handle of straight-through valve
Dynamic connection.
The sample feeding pipe empties shut-off valve as a further improvement of the utility model, sample outlet pipe empties shut-off valve, straight
Port valve is needle-valve.
Safety explosion-proof valve is installed on the sample feeding pipe as a further improvement of the utility model,.
According to above-mentioned technical solution, compared with the existing technology, the utility model is had the advantage that
1, the utility model empties shut-off valve, operating condition by successively installing sample outlet pipe according to the flow direction of fluid in sample outlet pipe
Switching valve, sample output valve；Sampling valve is successively installed according to the flow direction of fluid on sample feeding pipe, sample feeding pipe empties shut-off valve；And into
Operating condition switching valve is connected to by sample feeding pipe relief pipeline on sample feeding pipe between sample valve, sample feeding pipe emptying shut-off valve；Thus may be used
Know, the utility model empties shut-off valve, operating condition switching valve, sample output valve, sampling valve, sample feeding pipe emptying cut-off by control sample outlet pipe
Valve, so that the sampler of the utility model works in different states: before sampling in sample feeding pipe before the discharge, sampling of outmoded sample
In phase double-head steel bottle and sample outlet pipe after the discharge, sampling of outmoded sample in sample feeding pipe extra sample pressure release.It follows that this
The more environmentally friendly safety of sampler described in utility model, meanwhile, it is capable to collect fresh sample.
2, the utility model uses the operating condition switching valve of linkage control, sampling valve, then in sampling process, control is more
It is convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing closed sampler；
In Fig. 1: 1'- both-end steel cylinder；2'- straight-through valve；3'- explosion-proof valve；41'- samples pipeline a；42'- samples line b；
51'- pipe joint a；52'- pipe joint b；53'- pipe joint c；54'- pipe joint d；
Fig. 2 is the structural schematic diagram of closed sampler described in the utility model；
Fig. 3 is the structural schematic diagram of mechanical linkage control device described in the utility model；
In figure: 1- double-head steel bottle；2- sampling valve；3- sample feeding pipe empties shut-off valve；4- sample outlet pipe empties shut-off valve；5- operating condition
Switching valve；6- sample output valve；71- straight-through valve gear；72- triple valve gear.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.Unless
In addition it illustrates, component and the positioned opposite of step, expression formula and the unlimited system of numerical value otherwise illustrated in these embodiments
The scope of the utility model.Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not
It is to be drawn according to actual proportionate relationship.It is possible for technology known to person of ordinary skill in the relevant, method and apparatus
It is not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustratively, not as limit
System.Therefore, the other examples of exemplary embodiment can have different values.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation).
It is described in the utility model from pressure release confined gas sampler, as shown in Fig. 2, include double-head steel bottle 1, double-head steel bottle
One end be sample introduction end, be fitted with sample feeding pipe, the other end is sample outlet end, is fitted with sample outlet pipe；Be fitted on the sample feeding pipe into
Sample valve 2 is fitted with sample output valve 6 in sample outlet pipe, and double-head steel bottle installs sample feeding pipe row at the position at itself sample introduction end
Empty shut-off valve 3 nestles up and installs sample outlet pipe emptying shut-off valve 4 at the position of itself sample outlet end, and sample outlet pipe in sample output valve and goes out
Operating condition switching valve 5 is installed on pipeline between sample pipe emptying shut-off valve；The operating condition switching valve is triple valve, operating condition switching valve
Two external connectors are mounted in sample outlet pipe, a remaining external connector by sample feeding pipe relief pipeline be connected to sampling valve with
Sample feeding pipe empties on the pipeline between shut-off valve.
The sampling valve is straight-through valve as a further improvement of the utility model,.
The sampling valve and the operating condition switching valve are using mechanical connection as a further improvement of the utility model,
The mechanical linkage valve of dynamic control.
The mechanical linkage control device of the mechanical linkage valve is meshed as a further improvement of the utility model,
Gear drive, including triple valve gear 72 and straight-through valve gear 71, and the diameter of straight-through valve gear is triple valve gear
2 times of diameter；The regulation handle of triple valve gear and triple valve is connected, and straight-through valve gear then with the adjusting hand of straight-through valve
Handle is connected.Triple valve gear drives triple valve handle angularly to go to, and straight-through valve gear drives straight-through valve handle angularly
Rotation.Linkage handle drives straight-through valve gear angularly to rotate.Straight-through valve gear drives twice of angle of triple valve gear to turn
It is dynamic.When i.e. straight-through valve gear rotates 90 degree, triple valve gear rotates 180 degree.Therefore, when linkage handle rotates 90 degree,
Straight-through valve rotates 90 degree, and triple valve rotates 180 degree.
The sample feeding pipe empties shut-off valve as a further improvement of the utility model, sample outlet pipe empties shut-off valve, straight
Port valve is needle-valve.
Safety explosion-proof valve is installed on the sample feeding pipe as a further improvement of the utility model,.
According to above-mentioned technical solution, the workflow of the utility model is as follows:
1, sample feeding pipe is emptied shut-off valve, sample outlet pipe emptying shut-off valve, steel cylinder to be connected on pipeline, sample feeding pipe emptying cut-off
Valve, sample outlet pipe emptying shut-off valve are in close state.Linkage is in the 1st position (straight-through valve is closed, and triple valve 01 is logical at this time
Road closing, 02 channel conductive)
2, linkage is rotated to the 2nd position (straight-through valve is connected, and 01 channel conductive of triple valve, 02 channel are closed) import
Gas is circulated at sample feeding pipe emptying shut-off valve.
3, open sample feeding pipe emptying shut-off valve respectively, sample outlet pipe empties shut-off valve, gas flow through steel cylinder, triple valve it is 01 logical
Road and check valve enter torch pipeline.
4, it through circulation after a period of time, closes sample outlet pipe and empties shut-off valve.Fresh gas is filled in steel cylinder at this time
Sample.Air venting after sample outlet pipe emptying shut-off valve in pipeline, into torch pipeline.
5, it closes sample feeding pipe and empties shut-off valve, then rotate linkage to the 1st position (straight-through valve closing, triple valve
The closing of 01 channel, 02 channel conductive).Inlet ductwork comes back to original state, and sample feeding pipe empties between shut-off valve and straight-through valve
Gas torch pipeline is entered by 02 channel and check valve pressure release of triple valve.
6, after above-mentioned steps, pipeline pressure release before and after steel cylinder is live gas sample in steel cylinder at this time, take away steel cylinder,
Sample feeding pipe empties shut-off valve, sample outlet pipe empties shut-off valve.(it is to be connected by self-enclosed quick coupling between pipeline and needle-valve,
Therefore after taking steel cylinder and needle-valve away, pipe line automatic closing).
Claims (6)
1. a kind of, from pressure release confined gas sampler, including double-head steel bottle, one end of double-head steel bottle is sample introduction end, is fitted with sample introduction
Pipe, the other end is sample outlet end, is fitted with sample outlet pipe；It is characterized in that, successively being installed out in sample outlet pipe according to the flow direction of fluid
Sample pipe empties shut-off valve, sample output valve；Sampling valve, sample feeding pipe emptying cut-off are successively installed according to the flow direction of fluid on sample feeding pipe
Valve；And it is emptied in sample outlet pipe and passes sequentially through operating condition switching valve, sample feeding pipe relief pipeline in the sample outlet pipe between shut-off valve, sample output valve
It is connected on the sample feeding pipe between sampling valve, sample feeding pipe emptying shut-off valve；Wherein:
Sample feeding pipe emptying shut-off valve nestles up the sample introduction end installation of double-head steel bottle；And sample outlet pipe emptying shut-off valve nestles up double-ended steel
The sample outlet end installation of bottle.
2. according to claim 1 from pressure release confined gas sampler, which is characterized in that the sampling valve is straight-through
Valve, the operating condition switching valve are triple valve.
3. according to claim 1 from pressure release confined gas sampler, which is characterized in that the sampling valve and described
Operating condition switching valve is the mechanical linkage valve controlled using mechanical linkage.
4. according to claim 3 from pressure release confined gas sampler, which is characterized in that the machinery of the mechanical linkage valve
Linkage control device is the gear drive being meshed, including triple valve gear and straight-through valve gear, and straight-through valve gear
Diameter is 2 times of the diameter of triple valve gear；The regulation handle of triple valve gear and triple valve is connected, and straight-through valve gear
Then it is connected with the regulation handle of straight-through valve.
5. according to claim 1 from pressure release confined gas sampler, which is characterized in that the sample feeding pipe empties cut-off
Valve, sample outlet pipe emptying shut-off valve, straight-through valve are needle-valve.
6. according to claim 1 from pressure release confined gas sampler, which is characterized in that be equipped on the sample feeding pipe
Full explosion-proof valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821614644.XU CN209166920U (en) | 2018-09-30 | 2018-09-30 | From pressure release confined gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821614644.XU CN209166920U (en) | 2018-09-30 | 2018-09-30 | From pressure release confined gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209166920U true CN209166920U (en) | 2019-07-26 |
Family
ID=67332794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821614644.XU Active CN209166920U (en) | 2018-09-30 | 2018-09-30 | From pressure release confined gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209166920U (en) |
-
2018
- 2018-09-30 CN CN201821614644.XU patent/CN209166920U/en active Active
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