CN207164020U - Sampling device - Google Patents
Sampling device Download PDFInfo
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- CN207164020U CN207164020U CN201721084233.XU CN201721084233U CN207164020U CN 207164020 U CN207164020 U CN 207164020U CN 201721084233 U CN201721084233 U CN 201721084233U CN 207164020 U CN207164020 U CN 207164020U
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- sample introduction
- sampling device
- needle
- testing sample
- sampling
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- 238000005070 sampling Methods 0.000 title claims abstract description 87
- 238000012360 testing method Methods 0.000 claims abstract description 69
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 120
- 239000007788 liquid Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- WXDJHDMIIZKXSK-UHFFFAOYSA-N iodine dioxide Inorganic materials O=I=O WXDJHDMIIZKXSK-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of sampling device.The sampling device includes：Sampling needle, sample introduction needle and flow regulating unit.Sampling needle is used to gather testing sample；Sample introduction needle is used to be detected at least part testing sample feeding reaction system；And flow regulating unit is connected with sampling needle and sample introduction needle respectively, for adjusting the flow of testing sample in sample introduction needle.Flow control valve is set to adjust the flow velocity of testing sample in sample introduction needle as needed between sample introduction needle and sampling needle, so that sample introduction speed is relatively stable and easily controllable, this advantageously reduces sample introduction error, so as to improve the stability and accuracy of analysis result during moisture measurement.Above-mentioned sampling device can also close flow regulating unit to prevent the entrance of the moisture in air after analysis terminates simultaneously.In addition above-mentioned sampling device provided by the utility model also has the advantages such as simple in construction, manufacturing cost is low.
Description
Technical field
Moisture measurement field is the utility model is related to, in particular to a kind of sampling device.
Background technology
The 1- butylene and ethene, propylene of one of important source material monomer as production polyolefin, its impurity content require pole
To be strict, the especially content of moisture.After the moisture in above-mentioned hydro carbons exceeds certain limit, reactor can be caused
A series of problems, such as reaction fluctuation, electrostatic become phenomena such as big, and this easily causes polymerization efficiency to decline, sheeting blocking pipeline.Therefore,
Need to be measured the micro-moisture in above-mentioned hydro carbons using Karl_Fischer method according to national regulations.Its principle is：Water, iodine
And sulfur dioxide reacts in the presence of organic base and methanol, the iodine number of consumption in the gold titration of storehouse by solution in iodide ion
Oxidation reaction occurs in anode to supplement, the amount of caused iodine with it is by the electricity of electrolytic cell proportional.Therefore, according to farad
Law, you can obtain the water content in sample.Reaction equation is as follows：
H2O+I2+SO2+3C5H5N→2C5H5N·HI+C5H5N·SO3；
C5H5N·SO3+CH3OH→C5H5N·HSO4CH3。
Existing method is mainly directly connected to that the pressure-resistant steel cylinder sample introduction of hydro carbons is housed using sample introduction cleansing pin, and its principle is to enter
Sample cleansing pin is directly inserted into below karl Fischer liquid level, direct injected after then pressure-resistant steel cylinder is connected with sample introduction cleansing pin, blindly
By experience control sample introduction flow velocity, take out pressure-resistant sampling bottle, weighed, record weigh after quality.This can cause to try one's best
Flow velocity is difficult to control, and sample introduction error is larger, in sample the problems such as the analysis result inaccuracy of moisture.
Utility model content
Main purpose of the present utility model is to provide a kind of sampling device, to solve to enter existing for existing sampling device
The problem of sample flow velocity is difficult to control.
To achieve these goals, the utility model provides a kind of sampling device, and sampling device includes：Sampling needle, use
In collection testing sample；Sample introduction needle, at least part testing sample feeding reaction system to be detected；And Flow-rate adjustment
Unit, flow regulating unit are connected with sampling needle and sample introduction needle respectively, for adjusting the flow of testing sample in sample introduction needle.
Further, flow regulating unit includes：Testing sample transfer pipeline, the arrival end of testing sample transfer pipeline with
Sampling needle is connected, and the port of export of testing sample transfer pipeline is connected with sample introduction needle；Flow control valve, flow control valve are set
On testing sample transfer pipeline.
Further, flow control valve includes：Tee pipe fitting, including the first communication port, the second communication port and the 3rd circulation
Mouthful, tee pipe fitting is arranged on testing sample transfer pipeline, the first communication port and the second communication port with testing sample delivery pipe
Road is connected；Dividing plate, dividing plate are arranged on the inside of tee pipe fitting, for the inside of tee pipe fitting to be divided into first chamber and second
Chamber；
Connecting rod, connecting rod are connected through the 3rd communication port with dividing plate, and connecting rod is used relative to the rotatable setting of tee pipe fitting
With the circulation area between adjusting between first chamber and second chamber.
Further, connecting rod and the 3rd communication port screw thread coordinate.
Further, the arrival end of testing sample transfer pipeline coordinates with sampling needle for screw thread, testing sample transfer pipeline
The port of export and sample introduction needle be screw thread cooperation.
Further, one or more spray-holes are provided with sample introduction needle, for testing sample to be sprayed.
Further, spray-hole is multiple, and multiple spray-holes are along the circumferential or axially arranged of sample introduction needle.
Further, spray-hole is arranged at 1~3cm of the port of export away from sample introduction needle.
Further, sampling device also includes fixture, and fixture includes first end and the second end, and first end, which is fixed, to be connected
It is connected on tee pipe fitting, the second end is used to fix sampling device when carrying out sample introduction operation.
Further, first end is set in the outside of the 3rd communication port.
Using the technical solution of the utility model, testing sample is gathered from testing sample feeding mechanism by sampling needle,
Testing sample is delivered in reaction system to the detection for carrying out moisture by sample introduction needle.Flow is set between sample introduction needle and sampling needle
Regulating valve can adjust the flow velocity of testing sample in sample introduction needle as needed so that and sample introduction speed is relatively stable and easily controllable,
This advantageously reduces sample introduction error, so as to improve the stability and accuracy of analysis result during moisture measurement.It is simultaneously above-mentioned
Sampling device can also close flow regulating unit to prevent the entrance of the moisture in air after analysis terminates.In addition this practicality is new
The above-mentioned sampling device that type provides also has the advantages such as simple in construction, manufacturing cost is low.
Brief description of the drawings
A part of Figure of description of the present utility model is formed to be used for providing further understanding to of the present utility model, this
The schematic description and description of utility model is used to explain the utility model, does not form to improper limit of the present utility model
It is fixed.In the accompanying drawings：
Fig. 1 shows the front view of the sampling device provided according to a kind of preferred embodiment of the present utility model；
Fig. 2 shows the side view of the sampling device provided according to a kind of preferred embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, sampling needle；20th, sample introduction needle；30th, flow regulating unit；31st, testing sample transfer pipeline；32nd, Flow-rate adjustment
Valve；321st, tee pipe fitting；322nd, dividing plate；323rd, connecting rod；40th, fixture.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to illustrative embodiments of the present utility model.As used herein, unless the context clearly indicates otherwise, otherwise odd number
Form is also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or
During " comprising ", it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As described by background technology, sample introduction flow velocity existing for existing sampling device is difficult to control problem.To understand
Certainly above-mentioned technical problem, the utility model provide a kind of sampling device, as shown in figure 1, the sampling device includes：Sampling needle
10th, sample introduction needle 20 and flow regulating unit 30.Sampling needle 10 is used to gather testing sample；Sample introduction needle 20 is used at least partly to treat
Test sample product are sent into reaction system and detected；And flow regulating unit 30 is connected with sampling needle 10 and sample introduction needle 20 respectively,
For adjusting the flow of testing sample in sample introduction needle 20.
In sampling device provided by the utility model, gathered by sampling needle 10 from testing sample feeding mechanism and treat test sample
Product, testing sample is delivered in reaction system to the detection for carrying out moisture by sample introduction needle 20.Sample introduction needle 20 and sampling needle 10 it
Between set flow control valve 32 to adjust the flow velocity of testing sample in sample introduction needle 20 as needed so that sample introduction speed is more steady
Fixed and easily controllable, this advantageously reduces sample introduction error, so as to improve the stability and standard of analysis result during moisture measurement
True property.Above-mentioned sampling device can also be entered closing flow regulating unit 30 after analysis terminates with the moisture prevented in air simultaneously
Enter.In addition above-mentioned sampling device provided by the utility model also has the advantages such as simple in construction, manufacturing cost is low.
Above-mentioned sampling device provided by the utility model can efficiently control the flow velocity of testing sample in sample introduction needle 20.Tool
Body, flow regulating unit 30 includes：Testing sample transfer pipeline 31 and flow control valve 32.As shown in figure 1, testing sample is defeated
The arrival end of pipeline 31 is sent to be connected with sampling needle 10, the port of export of testing sample transfer pipeline 31 is connected with sample introduction needle 20.
Flow control valve 32 is arranged on testing sample transfer pipeline 31.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device of meaning or element there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
In sampling device provided by the utility model, flow control valve 32 can use existing commercially available prod.In one kind
In preferred embodiment, as shown in figure 1, flow control valve 32 includes：Tee pipe fitting 321, dividing plate 322 and connecting rod 323.Three-way pipe
Part 321 includes the first communication port, the second communication port and the 3rd communication port, and tee pipe fitting 321 is arranged on testing sample transfer pipeline
On 31, the first communication port and the second communication port are connected with testing sample transfer pipeline 31；Dividing plate 322 is arranged on tee pipe fitting
321 inside, for the inside of tee pipe fitting 321 to be divided into first chamber and second chamber；Connecting rod 323 circulates through the 3rd
Mouthful it is connected with dividing plate 322, and connecting rod 323 is relative to 321 rotatable setting of tee pipe fitting, to adjust first chamber and second
Circulation area between chamber.
In above-mentioned flow control valve 32, dividing plate 322 is arranged in tee pipe fitting 321, and connecting rod 323 is connected with dividing plate 322
Connect, so relative to the rotation of tee pipe fitting 321 dividing plate 322 can be made to occur correspondingly to rotate by connecting rod 323, and then realize
Circulation area between regulation first chamber and second chamber.So also it is achieved that the mesh of the flow velocity of regulation testing sample
's.
Preferably, as shown in figure 1, the communication port screw thread of connecting rod 323 and the 3rd coordinates.
In a kind of preferred embodiment, as shown in figure 1, the arrival end of testing sample transfer pipeline 31 is with sampling needle 10
Screw thread coordinates, and the port of export of testing sample transfer pipeline 31 coordinates with sample introduction needle 20 for screw thread.
The arrival end of testing sample transfer pipeline 31 and sampling needle 10 are coordinated for screw thread, testing sample transfer pipeline 31
The port of export coordinates with sample introduction needle 20 for screw thread, and this enables sampling needle 10 and sample introduction needle 20 to enter with testing sample transfer pipeline 31
Row dismounting separation, so as to select the sample introduction needle 20 of different model and sampling needle 10 as needed.In addition by the He of sampling needle 10
Sample introduction needle 20 carries out screw thread cooperation with testing sample transfer pipeline 31 respectively, also helps and occurs in sample introduction needle 20 and sampling needle 10
During damage, it is only necessary to sample introduction needle 20 and sampling needle 10 are replaced, without changing whole sampling device.Thus relative to
The cost of whole sampling device, the existing only mode of replacement sampling needle 10 and sample introduction needle 20 significantly reduce the dimension of sampling device
Protect cost.
Above-mentioned sampling device provided by the utility model can not only control sample rate, improve water analysis knot in sample
Fruit stability, it is low to also help reduction maintenance cost.In a kind of preferred embodiment, one or more is provided with sample introduction needle 20
Individual spray-hole, for testing sample to be sprayed.One or more spray-holes are set in sample introduction needle 20, are advantageous to make to enter karr
Take the not sample of liquid and karl Fischer reagent is corresponsively more complete, and then measurement result can be made more accurate.
In a kind of preferred embodiment, spray-hole is multiple, and circumference or axial direction of multiple spray-holes along sample introduction needle 20 are set
Put.By multiple spray-holes along the circumferential or axially arranged of sample introduction needle 20, be advantageous to improve in testing sample penetrating karl Fischer liquid
Sample rate it is more uniform, so as to be advantageous to further improve precision of analysis.
In above-mentioned sampling device, the position of spray-hole can arbitrarily be set in sample introduction needle 20.In a kind of preferable implementation
In example, spray-hole is arranged at 1~3cm of the port of export away from sample introduction needle 20.Set at 1~3cm of the port of export away from sample introduction needle 20
Spray-hole, the time delay of the sample introduction speed of testing sample is advantageously reduced, so as to be advantageous to further improve the accurate of analysis knot
Property.
In a kind of preferred embodiment, as illustrated in fig. 1 and 2, sampling device also includes fixture 40, and fixture 40 wraps
First end and the second end are included, first end is fixedly connected on tee pipe fitting 321, and the second end is used to fix when carrying out sample introduction operation
Sampling device.Set fixture 40 to be advantageous to fix sampling device during sample introduction, exist so as to be advantageous to improve sample introduction process
Steadily, carry out in an orderly manner.
Preferably, first end is set in the outside of the 3rd communication port.
For the ease of description, space relative terms 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 appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Embodiment 1
It is sampled using device as illustrated in fig. 1 and 2, to be detected to the moisture in 1- butylene.Specific behaviour
It is as follows to make process：
A. the fixture 40 of sampling device is screwed on karl Fischer instrument.
B. karl Fischer instrument power supply, the air-tightness of inspection apparatus are opened, and waits instrument to reach balance.
C. karl Fischer instrument is demarcated with syringe draw standard water 10uL.Demarcation returns karl Fischer instrument after terminating
Measuring state is returned to, is waited to be measured.
D. pressure bottle is dried with pure nitrogen gas, drying time 5min.And check whether the sealing gasket of pressure bottle is complete
It is good.
E. it is standby with 3/4ths volumes of dried (3) collection liquid phase 1- butylene of pressure bottle about bottle.
F. each pressure bottle is accurately weighed on balance, returned to zero.
G. testing sample (1- butylene) is gathered from pressure bottle by sampling needle 10.Then through testing sample transfer pipeline 31
Into testing sample in flow control valve 32.Then testing sample sprays into below the liquid level of detection liquid (card through sample introduction needle 20
Er Feixiu solution), carry out the detection of moisture.Sample introduction needle 20 should abut bottle wall simultaneously.In an experiment, flow control valve 32 is passed through
Control flow velocity of the testing sample in sample introduction needle 20.After continuing sample introduction 1min, pressure-resistant sampling bottle is removed, closes flow control valve
32, weighed, the mass M after record weighing.
H. after Instrument measuring terminates, register instrument shows the content of water.
Parallel determination is three times.Testing result is shown in Table 1.
Comparative example 1
It is put into and is distinguished as with embodiment 1, one end of sampling needle is connected with the pressure-resistant steel cylinder containing testing sample, with collection
Testing sample.The other end of sampling needle is inserted into below the liquid level of detection liquid, i.e., sample introduction needle and sampling needle are same root pin.
Table 1
| Embodiment | Sample introduction mass M, g | Moisture, mg/kg |
| 1st time | 0.77 | 16 |
| 2nd time | 0.73 | 18 |
| 3rd time | 0.82 | 18 |
| Comparative example 1 | 1.0 | 26 |
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
In sampling device provided by the utility model, gathered by sampling needle from testing sample feeding mechanism and treat test sample
Product, testing sample is delivered in reaction system to the detection for carrying out moisture by sample introduction needle.Set between sample introduction needle and sampling needle
Flow control valve can adjust the flow velocity of testing sample in sample introduction needle as needed so that sample introduction speed is relatively stable and is easy to control
System, this advantageously reduces sample introduction error, so as to improve the stability and accuracy of analysis result during moisture measurement.On simultaneously
Flow regulating unit can also be closed to prevent the entrance of the moisture in air after analysis terminates by stating sampling device.In addition this practicality
The above-mentioned sampling device of new offer also has the advantages such as simple in construction, manufacturing cost is low.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of sampling device, it is characterised in that the sampling device includes：
Sampling needle (10), for gathering testing sample；
Sample introduction needle (20), detected at least partly described testing sample to be sent into reaction system；And
Flow regulating unit (30), the flow regulating unit (30) respectively with the sampling needle (10) and the sample introduction needle (20)
It is connected, for adjusting the flow of testing sample described in the sample introduction needle (20).
2. sampling device according to claim 1, it is characterised in that the flow regulating unit (30) includes：
Testing sample transfer pipeline (31), the arrival end of the testing sample transfer pipeline (31) are connected with the sampling needle (10)
Logical, the port of export of the testing sample transfer pipeline (31) is connected with the sample introduction needle (20)；
Flow control valve (32), the flow control valve (32) are arranged on the testing sample transfer pipeline (31).
3. sampling device according to claim 2, it is characterised in that the flow control valve (32) includes：
Tee pipe fitting (321), including the first communication port, the second communication port and the 3rd communication port, the tee pipe fitting (321) are set
On the testing sample transfer pipeline (31), first communication port and second communication port are defeated with the testing sample
Pipeline (31) is sent to be connected；
Dividing plate (322), the dividing plate (322) are arranged on the inside of the tee pipe fitting (321), for by the tee pipe fitting
(321) inside is divided into first chamber and second chamber；
Connecting rod (323), the connecting rod (323) is connected through the 3rd communication port with the dividing plate (322), and the connecting rod
(323) relative to the tee pipe fitting (321) rotatable setting, to adjust between the first chamber and the second chamber it
Between circulation area.
4. sampling device according to claim 3, it is characterised in that the connecting rod (323) is matched somebody with somebody with the 3rd communication port screw thread
Close.
5. sampling device according to claim 4, it is characterised in that the arrival end of the testing sample transfer pipeline (31)
Coordinate with the sampling needle (10) for screw thread, the port of export and the sample introduction needle (20) of the testing sample transfer pipeline (31) are
Screw thread coordinates.
6. sampling device according to claim 1, it is characterised in that be provided with one or more on the sample introduction needle (20)
Spray-hole, for the testing sample to be sprayed.
7. sampling device according to claim 6, it is characterised in that the spray-hole is multiple, multiple spray-holes
Along the circumferential or axially arranged of the sample introduction needle (20).
8. the sampling device according to claim 6 or 7, it is characterised in that the spray-hole is arranged on away from the sample introduction needle
(20) at 1~3cm of the port of export.
9. sampling device according to claim 3, it is characterised in that the sampling device also includes fixture (40),
The fixture (40) includes first end and the second end, and the first end is fixedly connected on the tee pipe fitting (321), described
Second end is used to fix the sampling device when carrying out sample introduction operation.
10. sampling device according to claim 9, it is characterised in that the first end is set in the 3rd communication port
Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084233.XU CN207164020U (en) | 2017-08-28 | 2017-08-28 | Sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084233.XU CN207164020U (en) | 2017-08-28 | 2017-08-28 | Sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207164020U true CN207164020U (en) | 2018-03-30 |
Family
ID=61719304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721084233.XU Active CN207164020U (en) | 2017-08-28 | 2017-08-28 | Sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207164020U (en) |
-
2017
- 2017-08-28 CN CN201721084233.XU patent/CN207164020U/en active Active
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