CN108254226A - A kind of pollution-free closed sampler - Google Patents
A kind of pollution-free closed sampler Download PDFInfo
- Publication number
- CN108254226A CN108254226A CN201810245824.3A CN201810245824A CN108254226A CN 108254226 A CN108254226 A CN 108254226A CN 201810245824 A CN201810245824 A CN 201810245824A CN 108254226 A CN108254226 A CN 108254226A
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- China
- Prior art keywords
- sampling
- sampler
- supporting rack
- probe tube
- control ball
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Classifications
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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
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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 pollution-free closed samplers, include sampler and sampling bottle, are equipped with the sampling bayonet docked with sampling bottle in sampler, the position that material pipeline is docked with sampler offers sample holes；Sampler is internally provided with supporting rack and probe tube；Thief hole is being opened in close to the side of probe tube lower position, sampling control ball is being equipped in supporting rack, sampling control ball is docked with thief hole, for closing or opening structure thief hole.Under mutual cooperation of the present invention by components such as supporting rack, probe tube, sampling control ball, holddown spring, sampling bayonets, material can be prevented and contacted with air, prevent pollution environment, and be readily disassembled and clean；And be conducive to environmental protection, guarantee personal safety, reduce the corrosion of equipment, more reduce low boiling point, highly volatile low boiling chlorosilane Fire explosion the occurrence of.Because sampling bottle is no and the contact of other pollutants, not by pollutant effects such as metals, the cleanliness factor of samples taken ensure that.
Description
Technical field
The present invention relates to Chemical Manufacture industry technology fields, and in particular to a kind of to be taken for the closed of chemical liquid material
Sampling device.
Background technology
Competition with production of polysilicon industry increasingly sharpens, and how to ensure that can product quality become what be won victory in competition
Key factor.Chlorosilane is the intermediate product in improved Siemens production of polysilicon, to pass through the detection to its impurity content
Monitoring is entire to be produced and then monitors product quality.Chlorosilane is with low boiling point, highly volatile, soluble easily in water, inflammable, corrosivity is strong
The features such as, therefore higher is wanted in the requirement for chlorosilane sampler.It is easily made using traditional sampler and traditional sampling mode
Into material leakage and pollution, environmental pollution is detrimental to health and caused.In addition, since the detection of chlorosilane impurity content belongs to
Trace analysis to sampling requirement height, causes sample to pollute, directly affects the real reliability of analysis data when such as sampling, and shows
Some samplers are difficult to meet above-mentioned requirements.
Invention content
The technical problem to be solved by the present invention is to be directed to trace impurity analysis to chlorosilane sampling cleanliness factor high request and
Inflammable, volatile, the toxic special nature of chlorosilane, the problem of safety accident easily occurs, when one kind being provided being fully sealed, sample
Leakage, the pollution-free closed sampler that sample is not caused to pollute are not generated.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of pollution-free closed sampler,
It is characterized in that：Include sampler and sampling bottle, be equipped with the sampling bayonet docked with sampling bottle in sampler, pass through sampling bottle top
Enter to sample bayonet and dock to form sampling structure with sampler；Sampler is docked with material pipeline, and material pipeline is docked with sampler
Position offer the sample holes flowed out for material；Sampler is internally provided with a supporting rack movable up and down, supporting rack
The mechanism that driving supporting rack resets is installed between sampler；Probe tube is additionally provided in sampler, there is object in probe tube
Expect channel, the upper end of material channel connects with sample holes；The sampling bayonet is located at the bottom of supporting rack, and the lower part of probe tube leads to
Enter into sampling bayonet, after connection sample bottle heads into sampling bayonet, the lower part of probe tube is stretched into the bottleneck of sampling bottle；The bottom of probe tube
It holds as enclosed construction, is being opened in thief hole close to the side of probe tube lower position, which crosses the side wall of probe tube
It is connected with the material channel inside probe tube；Sampling control ball is equipped in supporting rack, which docks with thief hole,
Form the closing to thief hole or opening structure；The sampling control ball is connected with retractable driving device, retractable driving device installation
In supporting rack；
It is combined closely and by supporting rack clamping, while make supporting rack upward by heading into sampling bayonet to be formed sampling bottle
It is mobile, sampling control ball and retractable driving device is driven to move upwardly together, sampling control ball is detached from thief hole, and material is from sample introduction
Hole is flowed out after entering the material channel of probe tube by thief hole, is finally flowed into sampling bottle；After the completion of sampling, sampling is removed
Bottle, supporting rack move back down to original position under the action of the mechanism that it is driven to reset, and drive sampling control ball and telescopic drive
Device returns to original position together, and sampling control ball is made to reclose thief hole, and material stops outflow.
Further, a water conservancy diversion seal groove is equipped in the lower cover of probe tube, water conservancy diversion seal groove is located in sampling bayonet；It leads
The inside of stream seal groove forms horn-like structure, and end opening is more than lower ending opening thereon, and the lower end of probe tube is stretched into close in water conservancy diversion
In the upper end opening of sealing groove, the lower end of water conservancy diversion seal groove is then stretched into the bottleneck of sampling bottle；It is led from the material edge that thief hole flows out
Stream seal groove is flowed into sampling bottle.
Preferably, the mechanism that the driving supporting rack resets is using reset bullet made of resistant material (such as stainless steel)
Spring, which is connected between the top surface of supporting rack and the top of sampler, in sampling process, supporting rack move up and
Compression reseting spring；After sampling, sampling bottle takes out and releases the locking to supporting rack, and supporting rack is in the promotion of resetting spring
Under move down reset.
Preferably, retractable driving device is using holddown spring made of resistant material (such as stainless steel), sampling control
Ball, using ball made of resistant material (such as polytetrafluoroethylene material), is connected to the front end of holddown spring, does not take for one
During sample, sampling control ball closes the thief hole under the action of holddown spring.
Preferably, the water conservancy diversion seal groove is made of polytetrafluoroethylene material.
Further, be arranged below a sealing shroud in sampler, the interface of sealing shroud and sampler is combined closely, for
Sampling bottle docks, to strengthen sealing performance.In order to ensure the sealing of body and bottleneck, anticorrosion sealing shroud is set according to bottleneck size
Meter, can be in different cross section and different size, to be applicable in different size of sampling bottle.
The mutual cooperation that the present invention passes through the components such as supporting rack, probe tube, sampling control ball, holddown spring, sampling bayonet
Under, material can be prevented and contacted with air, prevent pollution environment, and be readily disassembled and clean；Due to entire sampling process be all
It is carried out in confined space, is conducive to environmental protection, guarantees personal safety, reduce the corrosion of equipment, more reduce low boiling point, pole
The occurrence of volatile low boiling chlorosilane Fire explosion.Because sampling bottle is only contacted with chlorosilane, no and other pollutions
Object contacts, and not by pollutant effects such as metals, ensure that the cleanliness factor of samples taken.
Description of the drawings
Fig. 1 is the schematic diagram that the present invention does not sample state；
Fig. 2 is the schematic diagram that the present invention is in sampling state.
In figure, 1 is material pipeline, and 2 be sample holes, and 3 be sampler, and 4 be sampling control ball, and 5 be holddown spring, and 6 be branch
Support, 7 be resetting spring, and 8 be probe tube, and 9 be water conservancy diversion seal groove, and 10 be sampling bayonet, and 11 be sampling bottle, and 12 be thief hole.
Specific embodiment
In the present embodiment, referring to Figures 1 and 2, the pollution-free closed sampler includes sampler 3 and sampling
Bottle 11 is equipped with the sampling bayonet 10 dock with sampling bottle 11 in sampler 3, and sampling bayonet 10 is headed into sampling by sampling bottle 11
The docking of device 3 forms sampling structure；Sampler 3 is docked with material pipeline 1, and material pipeline 1 is offered with the position that sampler 3 docks
For the sample holes 2 of material outflow；Sampler 3 is internally provided with a supporting rack 6 movable up and down, supporting rack 6 and sampler 3
Between be equipped with driving supporting rack reset mechanism；Probe tube 8 is additionally provided in sampler 3, is led in probe tube 8 with material
Road, the upper end of material channel connect with sample holes 2；The sampling bayonet 10 is located at the bottom of supporting rack 6, the lower part of probe tube 8
It is passed into sampling bayonet 10, after connection sample bottle 11 heads into sampling bayonet 10, the bottleneck of sampling bottle 11 is stretched into the lower part of probe tube 8
It is interior；The bottom end of probe tube 8 is enclosed construction, is being opened in thief hole 12 close to the side of 8 lower position of probe tube, the thief hole
12 cross the side wall of probe tube 8 and the material channel connection inside probe tube 8；Sampling control ball 4 is equipped in supporting rack 6, it should
Sampling control ball 4 is docked with thief hole 12, forms the closing to thief hole 12 or opening structure；The sampling control ball 4 is connected with
Retractable driving device, retractable driving device are installed in supporting rack 6；
It is combined closely and by 6 clamping of supporting rack, while make support by heading into sampling bayonet 10 to be formed sampling bottle 11
Frame 6 moves up, and sampling control ball 4 and retractable driving device is driven to move upwardly together, and sampling control ball 4 is detached from thief hole
12, material is flowed out after entering the material channel of probe tube 8 from sample holes 2 by thief hole 12, is finally flowed into sampling bottle 11；It takes
After the completion of sample, sampling bottle 11 is removed, supporting rack 6 moves back down to original position under the action of the mechanism that it is driven to reset, and drives
Sampling control ball 4 and retractable driving device return to original position together, and sampling control ball 4 is made to reclose thief hole 12, and material stops
Outflow.
A water conservancy diversion seal groove 9 is equipped in the lower cover of probe tube 8, water conservancy diversion seal groove 9 is located in sampling bayonet；Water conservancy diversion seals
The inside of slot 9 forms horn-like structure, and end opening is more than lower ending opening thereon, and the lower end of probe tube 8 is stretched into water conservancy diversion seal groove 9
Upper end opening in, the lower end of water conservancy diversion seal groove 9 is then stretched into the bottleneck of sampling bottle 1；It is led from the material edge that thief hole 12 flows out
Stream seal groove 9 is flowed into sampling bottle 11.
The mechanism that the driving supporting rack resets is using resetting spring 7 made of resistant material (such as stainless steel), is somebody's turn to do
Resetting spring 7 is connected between the top surface of supporting rack 6 and the top of sampler 3, in sampling process, supporting rack 6 move up and
Compression reseting spring 7；After sampling, sampling bottle 11 takes out and releases the locking to supporting rack 6, and supporting rack 6 is in resetting spring 7
Promotion under move down reset.
Retractable driving device is using holddown spring 5 made of resistant material (such as stainless steel), and sampling control ball 4 is adopts
The ball made of resistant material (such as polytetrafluoroethylene material) is connected to the front end of holddown spring 5, when not sampling, takes
Sample control ball 4 closes the thief hole 12 under the action of holddown spring 5.
The water conservancy diversion seal groove 9 is made of polytetrafluoroethylene material.
A sealing shroud (not shown) is arranged below in sampler 3, the interface of sealing shroud and sampler 3 is combined closely, is used for
It is docked with sampling bottle, to strengthen sealing performance.
The present invention is described in detail above, described above, only the preferred embodiments of the invention, when cannot
Limit the scope of the present invention, i.e., it is all to make equivalent changes and modifications according to the application range, it all should still belong to covering scope of the present invention
It is interior.
Claims (6)
1. a kind of pollution-free closed sampler, it is characterised in that：Include sampler and sampling bottle, be equipped in sampler with
The sampling bayonet of sampling bottle docking heads into sampling bayonet by sampling bottle and docks to form sampling structure with sampler；Sampler with
Material pipeline docks, and the position that material pipeline is docked with sampler offers the sample holes flowed out for material；Sampler it is interior
Portion is equipped with a supporting rack movable up and down, and the mechanism that driving supporting rack resets is equipped between supporting rack and sampler；It is taking
Probe tube is additionally provided in sample device, there is material channel in probe tube, the upper end of material channel connects with sample holes；The sampling card
Mouth is located at the bottom of supporting rack, and the lower part of probe tube is passed into sampling bayonet, after connection sample bottle heads into sampling bayonet, probe tube
Lower part is stretched into the bottleneck of sampling bottle；The bottom end of probe tube is enclosed construction, is opened up close to the side of probe tube lower position
In thief hole, the material channel which crosses inside the side wall and probe tube of probe tube is connected；It is equipped with and takes in supporting rack
Sample control ball, the sampling control ball are docked with thief hole, form the closing to thief hole or opening structure；The sampling control ball connects
Retractable driving device is connected to, retractable driving device is installed in supporting rack；
It is formed and combined closely and by supporting rack clamping by the way that sampling bottle is headed into sampling bayonet, while make supporting rack to moving up
It is dynamic, sampling control ball and retractable driving device is driven to move upwardly together, sampling control ball is detached from thief hole, and material is from sample holes
It is flowed out by thief hole after into the material channel of probe tube, finally flowed into sampling bottle；After the completion of sampling, sampling bottle is removed,
Supporting rack moves back down to original position under the action of the mechanism that it is driven to reset, and drives sampling control ball and retractable driving device
Original position is returned to together, sampling control ball is made to reclose thief hole, and material stops outflow.
2. pollution-free closed sampler according to claim 1, it is characterised in that：It is equipped in the lower cover of probe tube
One water conservancy diversion seal groove, water conservancy diversion seal groove are located in sampling bayonet；The inside of water conservancy diversion seal groove forms horn-like structure, and the upper end is opened
Mouth is more than lower ending opening, and the lower end of probe tube is stretched into the upper end opening of water conservancy diversion seal groove, and the lower end of water conservancy diversion seal groove is then stretched
In the bottleneck for entering sampling bottle；The material flowed out from thief hole is flowed into along water conservancy diversion seal groove in sampling bottle.
3. pollution-free closed sampler according to claim 1, it is characterised in that：What the driving supporting rack resetted
Mechanism is using resetting spring made of resistant material, which is connected to the top surface of supporting rack and the top of sampler
Between, in sampling process, supporting rack moves up and compression reseting spring；After sampling, sampling bottle takes out and releases to branch
The locking of support, supporting rack move down reset under the promotion of resetting spring.
4. pollution-free closed sampler according to claim 1, it is characterised in that：The retractable driving device is adopts
The holddown spring made of resistant material, sampling control ball, using ball made of resistant material, are connected to pressure for one
The front end of tight spring, when not sampling, sampling control ball closes the thief hole under the action of holddown spring.
5. pollution-free closed sampler according to claim 2, it is characterised in that：The water conservancy diversion seal groove is using poly-
Tetrafluoroethene material is made.
6. pollution-free closed sampler according to claim 1, it is characterised in that：It is close that one is arranged below in sampler
Big envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245824.3A CN108254226B (en) | 2018-03-23 | 2018-03-23 | Pollution-free closed sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245824.3A CN108254226B (en) | 2018-03-23 | 2018-03-23 | Pollution-free closed sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108254226A true CN108254226A (en) | 2018-07-06 |
| CN108254226B CN108254226B (en) | 2020-07-28 |
Family
ID=62746219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810245824.3A Active CN108254226B (en) | 2018-03-23 | 2018-03-23 | Pollution-free closed sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254226B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982796A (en) * | 2018-07-27 | 2018-12-11 | 重庆工商大学 | Detection method suitable for high chlorine and the sewage of high COD |
| CN111257049A (en) * | 2020-02-14 | 2020-06-09 | 中海石油(中国)有限公司 | Sampling device and sampling method for heterogeneous system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111257049A (en) * | 2020-02-14 | 2020-06-09 | 中海石油(中国)有限公司 | Sampling device and sampling method for heterogeneous system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108254226B (en) | 2020-07-28 |
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Address after: 810007 No.1, Jinsi Road, Chengdong economic and Technological Development Zone, Xining City, Qinghai Province Applicant after: Asia silicon (Qinghai) Co.,Ltd. Address before: 810007 Qinghai city of Xining Province Economic and Technological Development Zone No. 1 gold Guilu Applicant before: ASIA SILICON (QINGHAI) Co.,Ltd. |
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