CN204903240U - From evacuation sample connecting device - Google Patents
From evacuation sample connecting device Download PDFInfo
- Publication number
- CN204903240U CN204903240U CN201520474349.9U CN201520474349U CN204903240U CN 204903240 U CN204903240 U CN 204903240U CN 201520474349 U CN201520474349 U CN 201520474349U CN 204903240 U CN204903240 U CN 204903240U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- sample
- reducing connecting
- sampling
- way valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 claims abstract description 67
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000003306 harvesting Methods 0.000 abstract 1
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a trip valve (1), sample connection pipeline (2), reducing connecting pipe (3) and sampling bag (4) of from evacuation sample connecting device, including setting gradually reducing connecting pipe (3) connect sampling bag (4) through a three -way valve (5), with three -way valve (5) are connected still includes one real empty can (6). The utility model discloses a from evacuation sample connecting device at first adopts the scheme from the evacuation, realizes the very replacement of air in the sampling bag, and the noresidue at harvest time air has remain the composition integrality of sample medium, next is connected the concentric reducer and sets the spiro union to with the reducing connecting pipe, makes things convenient for the different pipe diameter of adaptation under cost -effective prerequisite, secondly, the three -way valve be connected to the sample connection pipeline through a flexible rubber hose, solved the problem of the regional unable construction that the welding of sample connection pipeline and reducing connecting pipe the time can not get angry, last, whole operation is closed, has avoided the emission of sample medium extravagant.
Description
Technical Field
The utility model belongs to the gas sampling field in the industrial production, concretely relates to from evacuation sample connecting device.
Background
In the daily production of enterprise, inevitable needs carry out sample analysis to the medium, and the mouth pipeline of taking a sample and reducing connecting pipe adopt welded connection in this process, and then reducing connecting pipe is connected with the rubber tube of being connected of sample bag. During the sample, open the sampling tube trip valve and can realize that the sampling medium gets into in the sample bag, take off sample bag and sample bag connection rubber tube again, artificially extrude the sampling medium in the sample bag (during the rail avoided the air to get into the sample connection pipeline this moment, the sampling tube trip valve keeps the open mode always), accomplish once to catch up with the air replacement operation, so three to quartic accomplish basically and catch up with the air replacement operation in the sample bag, later take a sample once more to accomplish the sample work.
The prior method has the following defects: 1) in the prior method, the sampling port pipeline and the reducing connecting pipe are connected by welding, so that the construction can not be carried out in areas which can not be fired, such as a coal gas facility operation area, and the application range of the sampling port pipeline and the reducing connecting pipe is limited; 2) the operation of manually extruding the sample medium in the sampling bag is adopted during sampling in the existing method, the sampling medium cannot be expelled by 100 percent, and the accuracy of the measurement result of the sampling medium is finally influenced; 3) when the sampling is carried out by the existing method, the stop valve of the sampling tube is in a normally open state, so that the discharge of sampling media is wasted.
The patent application numbers are: 200420056732.4 discloses a simple sampling port device, which comprises a sampling port, a sampling rubber column, a pressing nut and other main parts, wherein the sampling rubber column is arranged outside the sampling port, the sampling rubber column is fastened on the sampling port by the pressing nut, the pressing nut corresponds to the sampling port and is provided with a sampling hole, and the sampling hole is communicated with the end face of the pressing nut. But the utility model mainly describes the connecting structure at the sampling opening.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a from evacuation sample connecting device, its technical scheme specifically as follows:
the utility model provides a from evacuation sample connecting device, is including trip valve, sample connection pipeline, reducing connecting pipe and the sample bag that sets gradually, its characterized in that:
the reducing connecting pipe is connected with the sampling bag through a three-way valve;
and the vacuum tank is connected with the three-way valve.
According to the utility model discloses a from evacuation sample connecting device, its characterized in that:
the sampling port pipeline is connected with the reducing connecting pipe through a joint,
the large-caliber end of the joint is connected with the sampling port pipeline,
the small-caliber end of the joint is connected with the reducing connecting pipe.
According to the utility model discloses a from evacuation sample connecting device, its characterized in that:
a rubber hose is arranged at the joint of the three-way valve and the reducing connecting pipe,
the rubber hose runs through the reducing connecting pipe and is connected to the pipeline of the sampling port.
According to the utility model discloses a from evacuation sample connecting device, its characterized in that:
the small-caliber end of the joint is in threaded connection with the reducing connecting pipe.
According to the utility model discloses a from evacuation sample connecting device, its characterized in that:
a rubber hose is arranged at the joint of the three-way valve and the reducing connecting pipe,
the rubber hose runs through the reducing connecting pipe and is connected with the reducer and is connected to the sampling port pipeline.
The utility model discloses a self-vacuumizing sampling connecting device, firstly, the scheme of self-vacuumizing is adopted, the hundred percent replacement of air in a sampling bag is realized, no residual air exists, and the component integrity of a sampling medium is kept; secondly, the connecting reducer and the reducing connecting pipe are arranged in a threaded manner, so that different pipe diameters can be conveniently adapted on the premise of saving cost; thirdly, the three-way valve is connected to the sampling port pipeline through a rubber hose, so that the problem that the area which cannot be fired cannot be constructed when the sampling port pipeline and the reducing connecting pipe are welded is solved; and finally, the whole operation is closed, so that the waste of the discharge of the sampling medium is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an assembly diagram of the present invention.
In the figure, 1 is a stop valve, 2 is a sampling port pipeline, and 3 is a reducing connecting pipe; 4 is a sampling bag; 5 is a three-way valve; 6 is a vacuum tank; and 7 is a joint.
Detailed Description
The self-vacuuming sampling connection device of the present invention will be further described in detail with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the self-vacuumizing sampling connection device comprises a shut-off valve 1, a sampling port pipeline 2, a reducing connection pipe 3 and a sampling bag 4 which are arranged in sequence, wherein the reducing connection pipe 3 is connected with the sampling bag 4 through a three-way valve 5;
and a vacuum tank 6 is also arranged and connected with the three-way valve 5.
Wherein,
the sampling port pipeline 2 is connected with a reducing connecting pipe 3 through a joint 7,
the large-aperture end of the joint 7 is connected with the sampling port pipeline 2,
the small-caliber end of the joint 7 is connected with the reducing connecting pipe 3.
Wherein,
a rubber hose is arranged at the joint of the three-way valve 5 and the reducing connecting pipe 3,
the rubber hose runs through the reducing connecting pipe 3 and is connected to the sampling port pipeline 2.
Wherein,
the small-caliber end of the joint 7 is in threaded connection with the reducing connecting pipe 3.
Wherein,
a rubber hose is arranged at the joint of the three-way valve 5 and the reducing connecting pipe 3,
the rubber hose runs through the reducing connecting pipe and is connected with the reducer and is connected to the sampling port pipeline.
The working process is as follows:
the big head of the big head and the small head of the big head are inserted into the sampling port pipeline, the reducing connecting pipe is in threaded connection with the small head of the big head and the small head of the big head, the three-way valve penetrates through the reducing connecting pipe through a rubber hose and is connected with the big head and the small head of the big head and connected to the sampling port pipeline, and the vacuum tank and the sampling bag are connected to the corresponding port of the three.
During the sample, open the sampling tube trip valve, the sample medium gets into in the sample bag, close the sampling tube trip valve, open the vacuum tank valve, utilize the vacuum negative pressure in the vacuum tank to find time the sample medium in with the sample bag completely, close the vacuum tank valve, accomplish once to catch up with the air replacement operation, so relapse two to the cubic and accomplish and catch up with the air replacement work, later take a sample once more, thereby accomplish the sample work, the method adopts the method from the evacuation, the air replacement realizes 100% replacement in the sample bag, there is not residual air, furthest's the composition that has kept the sample medium, the authenticity of sample has been ensured, it is effectual to take a sample.
The utility model discloses a self-vacuumizing sampling connecting device, firstly, the scheme of self-vacuumizing is adopted, the hundred percent replacement of air in a sampling bag is realized, no residual air exists, and the component integrity of a sampling medium is kept; secondly, the connecting reducer and the reducing connecting pipe are arranged in a threaded manner, so that different pipe diameters can be conveniently adapted on the premise of saving cost; thirdly, the three-way valve is connected to the sampling port pipeline through a rubber hose, so that the problem that the area which cannot be fired cannot be constructed when the sampling port pipeline and the reducing connecting pipe are welded is solved; and finally, the whole operation is closed, so that the waste of the discharge of the sampling medium is avoided.
Claims (5)
1. The utility model provides a from evacuation sample connecting device, is including trip valve (1), sample connection pipeline (2), reducing connecting pipe (3) and sample bag (4) that set gradually, its characterized in that:
the reducing connecting pipe (3) is connected with the sampling bag (4) through a three-way valve (5);
and the vacuum tank (6) is connected with the three-way valve (5).
2. A self-evacuating sample connection device as claimed in claim 1, wherein:
the sampling port pipeline (2) is connected with the reducing connecting pipe (3) through a joint (7),
the large-aperture end of the joint (7) is connected with the sampling port pipeline (2),
the small-caliber end of the joint (7) is connected with the reducing connecting pipe (3).
3. A self-evacuating sample connection device as claimed in claim 1, wherein:
a rubber hose is arranged at the joint of the three-way valve (5) and the reducing connecting pipe (3),
the rubber hose runs through the reducing connecting pipe (3) and is connected to the sampling port pipeline (2).
4. A self-evacuating sample connection device as claimed in claim 2, wherein:
the small-caliber end of the joint (7) is in threaded connection with the reducing connecting pipe (3).
5. A self-evacuating sample connection device as claimed in claim 2, wherein:
a rubber hose is arranged at the joint of the three-way valve (5) and the reducing connecting pipe (3),
the rubber hose runs through the reducing connecting pipe and is connected with the reducer and is connected to the sampling port pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474349.9U CN204903240U (en) | 2015-06-30 | 2015-06-30 | From evacuation sample connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474349.9U CN204903240U (en) | 2015-06-30 | 2015-06-30 | From evacuation sample connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903240U true CN204903240U (en) | 2015-12-23 |
Family
ID=54925408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520474349.9U Expired - Fee Related CN204903240U (en) | 2015-06-30 | 2015-06-30 | From evacuation sample connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204903240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198021A (en) * | 2020-09-21 | 2021-01-08 | 石家庄东方药业股份有限公司 | Sample processing method in industrial production of oral solid preparation medicine |
| CN114062056A (en) * | 2021-10-09 | 2022-02-18 | 中核核电运行管理有限公司 | Sampling device suitable for negative pressure and malleation gas pipeline |
-
2015
- 2015-06-30 CN CN201520474349.9U patent/CN204903240U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198021A (en) * | 2020-09-21 | 2021-01-08 | 石家庄东方药业股份有限公司 | Sample processing method in industrial production of oral solid preparation medicine |
| CN114062056A (en) * | 2021-10-09 | 2022-02-18 | 中核核电运行管理有限公司 | Sampling device suitable for negative pressure and malleation gas pipeline |
| CN114062056B (en) * | 2021-10-09 | 2024-03-19 | 中核核电运行管理有限公司 | Sampling device suitable for negative pressure and positive pressure gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160630 |