CN106989959B - A kind of pipeline liquid enclosed sampling method - Google Patents
A kind of pipeline liquid enclosed sampling method Download PDFInfo
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- CN106989959B CN106989959B CN201710429455.9A CN201710429455A CN106989959B CN 106989959 B CN106989959 B CN 106989959B CN 201710429455 A CN201710429455 A CN 201710429455A CN 106989959 B CN106989959 B CN 106989959B
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- syringe needle
- sampling
- mounting hole
- needle
- enclosed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of pipeline liquid enclosed sampling methods, the following steps are included: the assembling of sample devices: preparing a sampling syringe needle, the first mounting hole is vertically provided through at the top of the sampling syringe needle, the bottom of the sampling syringe needle is provided with the second mounting hole with first mounting hole coaxial arrangement, it is provided with the first syringe needle of liquid sample in first mounting hole, the second syringe needle is installed in second mounting hole；Sampling: the first syringe needle is penetrated in the closed gasket of enclosed sampling bottle, the second syringe needle is also inserted into the closed gasket of enclosed sampling bottle after continuing into, when acquisition, liquid is adsorbed after passing through the first syringe needle into sampling bottle, after gas passes through the second syringe needle, it is discharged into active carbon adsorption device by sampling syringe needle；Present invention can ensure that normal sampling, prevents sampling syringe needle stifled, reduces the cost of needle exchange head, also for the consumption for reducing closed gasket.
Description
Technical field
The present invention relates to a kind of pipeline liquid enclosed sampling methods.
Background technique
Petrochemical field quality inspection analysis system pipeline sampling both at home and abroad has been employed sealing sampler at present.Sealing sampler
Most commonly used is two major classes: liquid sampling and gas sample.The container that liquid sampling generallys use is closed glass jar,
And the container that gas sample generallys use is enclosed steel cylinder.
The status of liquid closed sampler sampling at present approximately as:
Material in process pipe is transported to the suction flange of liquid closed sampler by pumping, by liquid closed sampler
Internal pipe valve beats circulation, and then fresh material is inserted into enclosed sampling by thick thin two sampling syringe needles using sampling valve
Bottle realizes sampling: material is entered in bottle by fine needle, while the air in bottle outside bodkin discharge bottle to active carbon adsorption device by adsorbing
It is emptied after processing.
The syringe needle opening of this separated thick thin two sampling probes is scarf, pricks the close of enclosed sampling bottle
Closing on gasket cutting to go down is exactly two holes, and gasket service life is with regard to short, it is also possible to which the gasket little particle cut down can block up
Syringe needle is filled in, once blocking will replace needle assembly, for consuming cost with regard to big, more important is to influence normally to sample.At present
The sampling syringe needle of liquid closed sampler both domestic and external is sampled using separated crosspointer, is adopted always till now.
Summary of the invention
It can guarantee normally to sample the technical problem to be solved in the present invention is to provide one kind, prevent sampling syringe needle stifled, reduce
The cost of needle exchange head, also for the pipeline liquid enclosed sampling method for the consumption for reducing closed gasket,.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of pipeline liquid enclosed sampling method, comprising the following steps:
A, the assembling of sample devices: preparing a sampling syringe needle, is vertically provided through at the top of the sampling syringe needle
First mounting hole is provided with the second mounting hole with first mounting hole coaxial arrangement in the bottom of the sampling syringe needle,
The first syringe needle of liquid sample is provided in first mounting hole, the upper end of first syringe needle has material outlet, institute
The lower end for stating the first syringe needle is sharp end, material inlet is provided at the close lower end position of the first syringe needle outer wall, in institute
It states and the second syringe needle is installed in the second mounting hole, second syringe needle is set in the outside of first syringe needle, second needle
It being formed and is sealed between the lower end and first syringe needle of head, the material inlet is located at the lower section of second syringe needle, and described the
It is provided with air inlet at the outer wall of two syringe needles, is provided with waste gas outlet, second needle at the lateral location of the sampling syringe needle
The upper end of head extends to the inside of the sampling syringe needle, and the upper end of second syringe needle has gas outlet, the gas outlet and institute
Waste gas outlet is stated to communicate；
B, it samples: the first syringe needle being penetrated in the closed gasket of enclosed sampling bottle, is also inserted the second syringe needle after continuing into
Enter in the closed gasket of enclosed sampling bottle, continue into, until the air inlet of the material inlet of the first syringe needle and the second syringe needle is inserted
Enter to the inside of enclosed sampling bottle, when acquisition, liquid is adsorbed after passing through the first syringe needle into sampling bottle, and the second syringe needle can be inhaled
Getter body after gas passes through the second syringe needle, is discharged into active carbon adsorption device by sampling syringe needle, completes sampling operation.
Preferably, the first cutting ferrule is combined between first syringe needle and first mounting hole.
Preferably, the second cutting ferrule is combined between second syringe needle and second mounting hole.
The beneficial effects of the present invention are: carrying out liquid sampling by using this method, gasket seal can be greatly reduced
Consumption, solve the problems, such as that syringe needle is blocked and reduces the cost of needle exchange head assembly, more important is ensure that normally to take
Sample, it is ensured that safety in production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
A kind of pipeline liquid enclosed sampling method shown in refering to fig. 1, comprising the following steps:
A, the assembling of sample devices: preparing a sampling syringe needle 1, vertically runs through setting at the top of the sampling syringe needle 1
There is the first mounting hole 101, the bottom of the sampling syringe needle 1 is provided with second with first mounting hole 101 coaxial arrangement
Mounting hole 102, is provided with the first syringe needle 2 of liquid sample in first mounting hole 101, first syringe needle 2 it is upper
End has material outlet 201, and the lower end of first syringe needle 2 is sharp end, the close lower end position of 2 outer wall of the first syringe needle
Place is provided with material inlet 202, and the second syringe needle 3 is equipped in second mounting hole 102, and second syringe needle 3 is set in
The outside of first syringe needle 2, between the lower end of second syringe needle 3 and first syringe needle 2 formed sealing, the material into
Mouth 202 is located at the lower section of second syringe needle 3, is provided with air inlet 301, the sampling needle at the outer wall of second syringe needle 3
Waste gas outlet 103 is provided at first 1 lateral location, the upper end of second syringe needle 3 extends to the interior of the sampling syringe needle 1
The upper end in portion, second syringe needle 3 has gas outlet 302, and the gas outlet 302 is communicated with the waste gas outlet 103；
B, it samples: the first syringe needle being penetrated in the closed gasket of enclosed sampling bottle, is also inserted the second syringe needle after continuing into
Enter in the closed gasket of enclosed sampling bottle, continue into, until the air inlet of the material inlet of the first syringe needle and the second syringe needle is inserted
Enter to the inside of enclosed sampling bottle, when acquisition, liquid is adsorbed after passing through the first syringe needle into sampling bottle, and the second syringe needle can be inhaled
Getter body after gas passes through the second syringe needle, is discharged into active carbon adsorption device by sampling syringe needle, completes sampling operation.
Preferably, it is combined with the first cutting ferrule 222 between first syringe needle 2 and first mounting hole 101, passes through setting
First cutting ferrule can increase the leakproofness between the first syringe needle and the first mounting hole.
Preferably, it is combined with the second cutting ferrule 333 between second syringe needle 3 and second mounting hole 102, passes through setting
Second cutting ferrule 333 can increase the leakproofness between the second syringe needle 3 and the second mounting hole 102.
The beneficial effects of the present invention are: carrying out liquid sampling by using this method, gasket seal can be greatly reduced
Consumption, solve the problems, such as that syringe needle is blocked and reduces the cost of needle exchange head assembly, more important is ensure that normally to take
Sample, it is ensured that safety in production.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (3)
1. a kind of pipeline liquid enclosed sampling method, it is characterised in that: the following steps are included:
A, the assembling of sample devices: preparing a sampling syringe needle, is vertically provided through first at the top of the sampling syringe needle
Mounting hole is provided with the second mounting hole with first mounting hole coaxial arrangement in the bottom of the sampling syringe needle, described
It is provided with the first syringe needle of liquid sample in first mounting hole, the upper end of first syringe needle has a material outlet, and described the
The lower end of one syringe needle is sharp end, is provided with material inlet at the close lower end position of the first syringe needle outer wall, described the
Second syringe needle is installed, second syringe needle is set in the outside of first syringe needle, second syringe needle in two mounting holes
Sealing is formed between lower end and first syringe needle, the material inlet is located at the lower section of second syringe needle, second needle
It is provided with air inlet at the outer wall of head, is provided with waste gas outlet at the lateral location of the sampling syringe needle, second syringe needle
Upper end extends to the inside of the sampling syringe needle, and the upper end of second syringe needle has gas outlet, and the gas outlet is given up with described
Gas outlet communicates；
B, it samples: the first syringe needle is penetrated in the closed gasket of enclosed sampling bottle, be also inserted into the second syringe needle after continuing into close
It closes in the closed gasket of sampling bottle, continues into, until the material inlet of the first syringe needle and the air inlet of the second syringe needle are inserted into
The inside of enclosed sampling bottle, when acquisition, liquid is adsorbed after passing through the first syringe needle into sampling bottle, and gas can be absorbed in the second syringe needle
Body after gas passes through the second syringe needle, is discharged into active carbon adsorption device by sampling syringe needle, completes sampling operation.
2. pipeline liquid enclosed sampling method according to claim 1, it is characterised in that: first syringe needle and described the
The first cutting ferrule is combined between one mounting hole.
3. pipeline liquid enclosed sampling method according to claim 1, it is characterised in that: second syringe needle and described the
The second cutting ferrule is combined between two mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429455.9A CN106989959B (en) | 2017-06-08 | 2017-06-08 | A kind of pipeline liquid enclosed sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429455.9A CN106989959B (en) | 2017-06-08 | 2017-06-08 | A kind of pipeline liquid enclosed sampling method |
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| Publication Number | Publication Date |
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| CN106989959A CN106989959A (en) | 2017-07-28 |
| CN106989959B true CN106989959B (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710429455.9A Active CN106989959B (en) | 2017-06-08 | 2017-06-08 | A kind of pipeline liquid enclosed sampling method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034579B (en) * | 2017-12-08 | 2024-05-03 | 深圳市博瑞生物科技有限公司 | Sample loading device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226114A (en) * | 2007-12-14 | 2008-07-23 | 中国石化扬子石油化工有限公司 | Enclosed sampling apparatus and method for liquid-solid system with high temperature and high voltage |
| CN201247167Y (en) * | 2008-08-14 | 2009-05-27 | 洛阳毅兴石化电器仪表设备有限公司 | Enclosed sampler for noxious liquid |
| CN201296643Y (en) * | 2009-02-26 | 2009-08-26 | 上海禾丰制药有限公司 | Soup filling syringe needle with air guiding layer |
| CN201852717U (en) * | 2010-05-31 | 2011-06-01 | 闫林 | Theftproof airtight liquid sampler |
| CN202033216U (en) * | 2011-01-21 | 2011-11-09 | 上海宝钢化工有限公司 | Airtight sampling device for liquid sampling under normal temperature |
| CN203502259U (en) * | 2013-07-23 | 2014-03-26 | 南通市三联石化设备制造有限公司 | Sealed sampling device |
| CN104006987A (en) * | 2014-05-13 | 2014-08-27 | 江苏爵格工业设备有限公司 | Closed sampling device |
| CN204924726U (en) * | 2015-09-07 | 2015-12-30 | 中国石油化工股份有限公司 | Airtight sampling device of barreled liquid |
-
2017
- 2017-06-08 CN CN201710429455.9A patent/CN106989959B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226114A (en) * | 2007-12-14 | 2008-07-23 | 中国石化扬子石油化工有限公司 | Enclosed sampling apparatus and method for liquid-solid system with high temperature and high voltage |
| CN201247167Y (en) * | 2008-08-14 | 2009-05-27 | 洛阳毅兴石化电器仪表设备有限公司 | Enclosed sampler for noxious liquid |
| CN201296643Y (en) * | 2009-02-26 | 2009-08-26 | 上海禾丰制药有限公司 | Soup filling syringe needle with air guiding layer |
| CN201852717U (en) * | 2010-05-31 | 2011-06-01 | 闫林 | Theftproof airtight liquid sampler |
| CN202033216U (en) * | 2011-01-21 | 2011-11-09 | 上海宝钢化工有限公司 | Airtight sampling device for liquid sampling under normal temperature |
| CN203502259U (en) * | 2013-07-23 | 2014-03-26 | 南通市三联石化设备制造有限公司 | Sealed sampling device |
| CN104006987A (en) * | 2014-05-13 | 2014-08-27 | 江苏爵格工业设备有限公司 | Closed sampling device |
| CN204924726U (en) * | 2015-09-07 | 2015-12-30 | 中国石油化工股份有限公司 | Airtight sampling device of barreled liquid |
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| Publication number | Publication date |
|---|---|
| CN106989959A (en) | 2017-07-28 |
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