CN208537247U - From emptying type closed sampler - Google Patents
From emptying type closed sampler Download PDFInfo
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- CN208537247U CN208537247U CN201821256130.1U CN201821256130U CN208537247U CN 208537247 U CN208537247 U CN 208537247U CN 201821256130 U CN201821256130 U CN 201821256130U CN 208537247 U CN208537247 U CN 208537247U
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- sampling
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Abstract
The utility model relates to one kind from emptying type closed sampler, be related to sample devices technical field, it is intended to which realization carries out emptying process in sampler samples, to be not necessarily to sample when sampling next time.Its drip irrigation device is, including sampling bottle, and sampling bottle one end is connected with feeding pipe, and the other end is connected with gas exhaust piping, is connected with medium source on feeding pipe；Piston is slidably fitted in feeding pipe, piston is connected with the driving device of its sliding of driving far from one end of sampling bottle.When the liquid medium in sampling bottle is soon full of sampling bottle, stop conveying liquid medium, it is slided in feeding pipe to close to sampling bottle direction using driving device driving piston, with the movement of piston, the liquid medium remained in feeding pipe is pushed into sampling bottle.This makes it possible to effectively liquid medium be avoided to remain in feeding pipe, without carrying out down sample in lower sub-sampling, avoid medium contaminated.
Description
Technical field
The utility model relates to sample devices technical field, more particularly to it is a kind of from emptying type closed sampler.
Background technique
Sampler is the important equipment in petrochemical industry production process, and the sampler applied at present includes non-closed adopts
Sample device and closed sampler have begun and are slowly eliminated since non-closed sampler has not met the requirement of environmental protection.
The medium of last sampling can be remained when in use, in sampler using relatively broad closed sampler at present,
It requires first to be discharged sample for upper primary remaining sampling media before each sampling in this way, otherwise will cause in sampling media and mix
Other miscellaneous media, the result of impact analysis chemical examination.
Utility model content
The purpose of the utility model is to provide one kind from emptying type closed sampler, can be situated between automatically to the liquid in pipeline
Matter carries out emptying process, in lower sub-sampling, can guarantee that medium is not contaminated without sample.
The above-mentioned technical purpose of the utility model has the technical scheme that
One kind being connected with feeding pipe, the other end from emptying type closed sampler, including sampling bottle, described sampling bottle one end
It is connected with gas exhaust piping, is connected with medium source on the feeding pipe；Piston, the work are slidably fitted in the feeding pipe
Fill in the driving device that one end far from sampling bottle is connected with its sliding of driving.
By using above-mentioned technical proposal, when original state, piston is located at the one end of feeding pipe far from sampling bottle, medium
Liquid medium in source is transported in sampling bottle by feeding pipe, while high pressure is formed in sampling bottle, will be more in sampling bottle
Remaining air discharge.When the liquid medium in sampling bottle is soon full of sampling bottle, stops conveying liquid medium, filled using driving
It sets driving piston to slide in feeding pipe to close to sampling bottle direction, with the movement of piston, will remain in feeding pipe
Liquid medium push-in sampling bottle in, this makes it possible to effectively liquid medium be avoided to remain in feeding pipe, without
Sample is carried out down when lower sub-sampling, avoids medium contaminated.
Further, the driving device includes the drive rod that the one end of piston far from sampler is arranged in, the driving
Bar stretches out feeding pipe far from one end of piston and is connected with cylinder.
By using above-mentioned technical proposal, cylinder is moved by driving drive rod, and then with piston in feeding pipe
Sliding simplifies the structure of whole device, not only facilitates behaviour while realizing that residual liquid medium is pushed in driving piston sliding
Make, and reduces cost.
Further, feed pipe, the company of the feed pipe and feeding pipe are equipped between the medium source and feeding pipe
Logical place is equipped with valve.
Valve, liquid quilt extra at this time are closed when stopping conveying liquid medium by using above-mentioned technical proposal
Truncation returns in medium source in feed pipe, and under the effect of gravity, will not be transported in feeding pipe again.Meanwhile valve
The connectivity part of feed pipe and feeding pipe is set, when residual liquid medium in feeding pipe is pushed into sampling bottle by piston,
Liquid medium is not had and remains in feed pipe between one end and valve of feeding pipe, while avoiding waste, is avoided down
Residual liquid medium enters in sampling bottle when secondary sampling.
Further, the diversion pipe being obliquely installed is equipped between the feeding pipe and sampling bottle, and the diversion pipe leans on
One end of nearly sampling bottle is lower end, and the water conservancy diversion inside pipe wall is equipped with adherent layer.
By using above-mentioned technical proposal, the liquid medium remained in feeding pipe is squeezed in piston and is shifted onto sampling bottle
When, after liquid medium enters in diversion pipe from feeding pipe, under the guide functions of diversion pipe, liquid medium flows into sampling naturally
In bottle.Under the action of adherent layer, liquid medium is avoided to remain in diversion pipe.
Further, the diversion pipe is equipped with semi-automatic double self-closing connectors that surge, the exhaust close to one end of sampling bottle
Pipeline is equipped with semi-automatic double self-closing pneumatic joints close to one end of sampling bottle.
It is semi-automatic double self-closing to surge connector and semi-automatic double self-closing pneumatic joints not only by using above-mentioned technical proposal
It can be realized the quick connection of diversion pipe and gas exhaust piping and sampling bottle, and the acquisition and shutdown that make liquid medium are one
On a point, while it can be avoided residual liquid water clock, structure is simple, and effect is obvious.
Further, the feeding pipe is equipped with flowmeter.
By using above-mentioned technical proposal, by the liquid medium flow rate of cmf record, the opening and closing of control valve is avoided
Liquid medium in feeding pipe is excessive, and causing sampling bottle to be filled in liquid medium rear feeding pipeline still has residual liquid Jie
Matter, structure is simple, and effect is obvious.
Further, the cylinder, valve and the equal communication link of flowmeter are connected to PLC system.
By using above-mentioned technical proposal, the flow control cylinder and valve shown using PLC system according to flowmeter
Opening and closing, realize intelligent control, reduce labor intensity and guarantee accuracy, structure is simple, and effect is obvious.
Further, the gas exhaust piping is connected with active carbon filter far from one end of sampling bottle.
By using above-mentioned technical proposal, enter in active carbon filter in sampling bottle via the gas of gas exhaust piping discharge
It is discharged again after being filtered, the gaseous contamination environment for avoiding the liquid medium carried in discharge gas from distributing.
In conclusion the utility model has the following beneficial effects:
1, by the way that the piston for pushing residual liquid medium is arranged in feeding pipe, when the liquid medium in sampling bottle
When being soon full of sampling bottle, stops conveying liquid medium, piston is driven to slide in feeding pipe to close to sampling bottle direction, it will
Remain in the liquid medium push-in sampling bottle in feeding pipe.This makes it possible to effectively liquid medium be avoided to remain in feed pipe
In road, without carrying out down sample in lower sub-sampling, avoid medium contaminated；
2, by the way that active carbon filter is arranged far from one end of sampling bottle in gas exhaust piping, to the gas being discharged in sampling bottle
It is discharged again after being filtered, the gaseous contamination environment for avoiding the liquid medium carried in discharge gas from distributing.
Detailed description of the invention
Fig. 1 is the overall structure diagram from emptying type closed sampler；
Fig. 2 is the cross-sectional view from emptying type closed sampler.
In figure, 1, sampling bottle；11, rack；2, medium source；3, feed pipe；31, valve；4, feeding pipe；41, flow
Meter；5, piston；51, drive rod；6, cylinder；61, fixed frame；7, diversion pipe；71, adherent layer；72, semi-automatic double self-closing surge connects
Head；8, gas exhaust piping；81, semi-automatic double self-closing pneumatic joints；9, active carbon filter；91, escape pipe；92, mounting table.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
One kind is from emptying type closed sampler, referring to Fig.1, takes the sampling bottle 1 being placed on rack 11 including level, is adopting
1 one end of sample bottle is connected with horizontally disposed feeding pipe 4, and the other end is connected with gas exhaust piping 8, and gas exhaust piping 8 is equipped with and uses
In the semi-automatic double self-closing pneumatic joints 81 being connect with sampling bottle 1.Connected on feeding pipe 4 by the feed pipe 3 being vertically arranged
It is connected to medium source 2, and the connectivity part of feed pipe 3 and feeding pipe 4 is equipped with valve 31.Liquid medium is from medium source 2 via feeding
Pipe 3 is sent into feeding pipe 4, is re-fed into sampling bottle 1 and is realized sampling.In the process, the gas in sampling bottle 1 is from exhaust pipe
Road 8 is discharged.
Referring to Fig. 2, piston 5 is slidably fitted in feeding pipe 4, piston 5 is connected with driving far from one end of sampling bottle 1
Its driving device slided.Referring to Figures 1 and 2, in the present embodiment, driving device includes being arranged in piston 5 far from sampler
One end and along 4 length direction of feeding pipe setting drive rod 51.Drive rod 51 stretches out feeding pipe far from one end of piston 5
4 and it is connected with cylinder 6；It is equipped with fixed frame 61 in 11 side of rack, cylinder 6 is fixedly mounted on fixed frame 61.Reference Fig. 2,
When original state, piston 5 is located at the one end of feeding pipe 4 far from sampling bottle 1, guarantees the smooth delivery of power of liquid medium.Work as sampling
When liquid medium in bottle 1 is soon full of sampling bottle 1, closes valve 31 and stop conveying liquid medium.Start cylinder 6 and drives piston
5 slide in feeding pipe 4 to close to 1 direction of sampling bottle, with the movement of piston 5, will remain in the liquid in feeding pipe 4
Medium is pushed into sampling bottle 1.
The time for controlling closing valve 31 in time and accurately for convenience in the present embodiment, is feeding referring to Fig.1
Pipeline 4 is equipped with flowmeter 41, and flowmeter 41, valve 31 and cylinder 6 communicate to connect in PLC system, PLC system according to
The opening and closing of flow timely control valve 31 and cylinder 6 that flowmeter 41 is shown, avoids the liquid medium in feeding pipe 4 excessive,
Causing sampling bottle 1 to be filled in liquid medium rear feeding pipeline 4 still has residual liquid medium.
Referring to Fig.1, the diversion pipe 7 being obliquely installed is communicated between feeding pipe 4 and sampling bottle 1, and diversion pipe 7 is close
One end of sampling bottle 1 is lower end, and diversion pipe 7 is equipped with semi-automatic double for what is connect with sampling bottle 1 close to one end of sampling bottle 1
The self-closing connector 72 that surges.When the liquid medium remained in feeding pipe 4 is squeezed and is shifted onto sampling bottle 1 by piston 5, liquid medium
After in from feeding pipe 4 into diversion pipe 7, under the guide functions of diversion pipe 7, liquid medium flows into sampling bottle 1 naturally.Ginseng
Liquid medium is avoided to be adhered in diversion pipe 7 in addition, 7 inner wall of diversion pipe is equipped with adherent layer 71 according to Fig. 2.In the present embodiment
In, adherent layer 71 is sprayed using teflon coating, has high lubrication and non-stickiness, and corrosion resistance is also preferable.
Referring to Fig.1 or Fig. 2, mounting table 92 is equipped with far from the side of fixed frame 61 in rack 11, it is fixed on mounting table 92
Active carbon filter 9, the one end of gas exhaust piping 8 far from sampling bottle 1 are connected to active carbon filter 9.Gas in sampling bottle 1
Enter in active carbon filter 9 from gas exhaust piping 8 and be filtered, the gas that the liquid medium that it is carried distributes is carried out at purification
Reason, then be discharged from the escape pipe 91 on active carbon filter 9, avoid pollution air.
The working principle and application method of the utility model:
PLC system controls Open valve 31, and liquid medium is sent into feeding pipe 4 from medium source 2 via feed pipe 3, then
It is sent into sampling bottle 1 and realizes sampling.In the process, the gas in sampling bottle 1 is discharged into active carbon filter 9 from gas exhaust piping 8
It is discharged after being inside filtered purification.Indicate that sampling bottle 1 soon fills liquid when the flow that flowmeter 41 detects reaches a definite value
After medium, PLC system control valve 31 is closed, and starts cylinder 6.Cylinder 6 drives piston 5 in feeding pipe 4 to close to sampling
The liquid medium remained in feeding pipe 4 is pushed into sampling bottle 1 by the sliding of 1 direction of bottle with the movement of piston 5.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. one kind is from emptying type closed sampler, including sampling bottle (1), described sampling bottle (1) one end is connected with feeding pipe
(4), the other end is connected with gas exhaust piping (8), is connected with medium source (2) on the feeding pipe (4)；It is characterized by: described
It is slidably fitted with piston (5) in feeding pipe (4), the piston (5) is connected with its sliding of driving far from the one end of sampling bottle (1)
Driving device.
2. according to claim 1 from emptying type closed sampler, it is characterised in that: the driving device includes that setting exists
The drive rod (51) of the one end of piston (5) far from sampler, the drive rod (51) stretch out feed pipe far from the one end of piston (5)
Road (4) and it is connected with cylinder (6).
3. according to claim 2 from emptying type closed sampler, it is characterised in that: the medium source (2) and feed pipe
Feed pipe (3) are equipped between road (4), the connectivity part of the feed pipe (3) and feeding pipe (4) is equipped with valve (31).
4. according to claim 1 from emptying type closed sampler described in any one of -3, it is characterised in that: the feed pipe
The diversion pipe (7) being obliquely installed, and the one of the diversion pipe (7) close sampling bottle (1) are equipped between road (4) and sampling bottle (1)
End is lower end, and diversion pipe (7) inner wall is equipped with adherent layer (71).
5. according to claim 4 from emptying type closed sampler, it is characterised in that: the diversion pipe (7) is close to sampling
One end of bottle (1) is equipped with semi-automatic double self-closing connectors that surge (72), and the gas exhaust piping (8) sets close to the one end of sampling bottle (1)
There are semi-automatic double self-closing pneumatic joints (81).
6. according to claim 3 from emptying type closed sampler, it is characterised in that: the feeding pipe (4) is equipped with
Flowmeter (41).
7. according to claim 6 from emptying type closed sampler, it is characterised in that: the cylinder (6), valve (31) with
And flowmeter (41) communication link is connected to PLC system.
8. according to claim 1 from emptying type closed sampler, it is characterised in that: the gas exhaust piping (8) is separate to adopt
One end of sample bottle (1) is connected with active carbon filter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256130.1U CN208537247U (en) | 2018-08-04 | 2018-08-04 | From emptying type closed sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256130.1U CN208537247U (en) | 2018-08-04 | 2018-08-04 | From emptying type closed sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537247U true CN208537247U (en) | 2019-02-22 |
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ID=65386480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821256130.1U Active CN208537247U (en) | 2018-08-04 | 2018-08-04 | From emptying type closed sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN208537247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308016A (en) * | 2019-06-28 | 2019-10-08 | 浙江小桥流水环境科技有限公司 | Multi parameter analysis sample leaving device |
-
2018
- 2018-08-04 CN CN201821256130.1U patent/CN208537247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308016A (en) * | 2019-06-28 | 2019-10-08 | 浙江小桥流水环境科技有限公司 | Multi parameter analysis sample leaving device |
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