CN109406814A - A kind of sample retrieval system - Google Patents
A kind of sample retrieval system Download PDFInfo
- Publication number
- CN109406814A CN109406814A CN201811580950.0A CN201811580950A CN109406814A CN 109406814 A CN109406814 A CN 109406814A CN 201811580950 A CN201811580950 A CN 201811580950A CN 109406814 A CN109406814 A CN 109406814A
- Authority
- CN
- China
- Prior art keywords
- interface
- nitrogen
- tap line
- outlet
- air inlet
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 130
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 65
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000004458 analytical method Methods 0.000 claims abstract description 25
- 238000010926 purge Methods 0.000 claims abstract description 19
- 230000002441 reversible effect Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000011796 hollow space material Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 23
- 230000006872 improvement Effects 0.000 description 4
- 210000002966 serum Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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 present invention discloses a kind of sample retrieval system, including nitrogen purging tap line, leakage fluid dram tap line, analysis interface tap line and reversible needle group jacket assembly.It includes by the sequentially connected nitrogen interface of pipeline, nitrogen component and nitrogen switch that nitrogen, which purges tap line, and nitrogen interface connects air pump, and nitrogen component generates nitrogen, nitrogen switch control pipeline connection and closing.Nitrogen purging tap line outlet end is sequentially connected reversible needle group jacket assembly and threeway import, threeway outlet is separately connected leakage fluid dram tap line and analysis interface tap line, the leakage fluid dram connection waste liquid pool of leakage fluid dram tap line, analysis interface tap line linking parsing tool interface system.All sampling operations of the sample retrieval system, progress are completed in the pipeline for being completely closed No leakage, guarantee that sample and environment will not be contaminated, operator will not be injured.
Description
Technical field
The invention belongs to industrial production fluid sample processing equipment technical field, specifically a kind of sample retrieval systems.
Background technique
In daily industrial processes, it usually needs be sampled point to liquid charging stock, intermediate products and final products
Analysis.And industrial raw material, intermediate products and final products are usually poisonous and hazardous chemical substance.In sampling process, if
Directly topple over mode with original, be analysed to sample be sent into analysis instrument in, it is possible to cause sample to be revealed, it is some have wave
The sample of hair property can also enter in external environment.On the one hand, the sample of leakage pollutes the environment, causes personal wound to operator
Evil；On the other hand, sample is contacted with external environment, it is also possible to be caused sample by air pollution, be caused testing result inaccurate.
Summary of the invention
Goal of the invention: the purpose of the present invention is provide a kind of sample retrieval system, structure for the deficiency in current technology
Simply, it can facilitate and securely achieve sampling analysis function.
Technical solution: to achieve the above object, the present invention provides a kind of sample retrieval system, including nitrogen purges bypass duct
Line, leakage fluid dram tap line, analysis interface tap line and reversible needle group jacket assembly, the nitrogen purge tap line
Including by the sequentially connected nitrogen interface of pipeline, nitrogen component and nitrogen switch, nitrogen interface connects air pump, and nitrogen component produces
Raw nitrogen, nitrogen switch control pipeline connection and closing；Nitrogen purges tap line outlet end and connects reversible needle group sheath
Component, the reversible needle group jacket assembly include intake interface and outlet interface, and the intake interface and outlet interface are
Two hollow tubular structures of coaxial arrangement, intake interface and outlet interface opposite end are connected with swivel head, air inlet connecting
Mouth end is air inlet swivel head, and outlet interface end is outlet swivel head, and air inlet swivel head and outlet swivel head can be around air inlet connectings
Mouth and the rotation of outlet interface axis, air inlet swivel head outer wall, which radially extends, is provided with air inlet pipe, and outlet swivel head outer wall is along diameter
There is escape pipe to being extended, air inlet pipe inner hollow simultaneously passes through connection intake interface hollow space inside air inlet swivel head, out
Pipe is hollow and passes through connection outlet interface hollow space inside outlet swivel head, outside air inlet swivel head and outlet swivel head
Portion surrounds and is provided with rotary connecting joint, the rotary connecting joint be socketed in outside intake interface and outlet interface end can be around axis
The hollow tube of line rotation, rotary connecting joint middle position are provided with connecting bracket, and the connecting bracket is axis vertical air inlet
The tube body of interface axis, air inlet pipe and an air outlet pipe, which is placed side by side, to be set in connecting bracket, and outside is socketed with needle tubing, air inlet pipe and is gone out
The needle tubing of tracheae socket runs through the fixation bracket being fixedly connected with connecting bracket, and fixed cantilever tip has sealing made of rubber
Pad, needle tubing is through gasket and outer wall and gasket are in close contact；Intake interface connects nitrogen and purges tap line, outlet interface
Threeway import is connected, threeway outlet is separately connected leakage fluid dram tap line and analysis interface tap line, leakage fluid dram tap line
Leakage fluid dram connection waste liquid pool, analysis interface tap line linking parsing tool interface system.
As a kind of improvement of this programme, intake interface and outlet interface position is relatively fixed and axis keeps horizontal.
As a kind of improvement of this programme, protective case is additionally provided in the connecting bracket, the protective case includes sheath
Main body, the sheath body are the hollow box-like structure of lower ending opening, and sheath body upper end is connect with connecting bracket, needle guard head
Inside sheath body.
As a kind of improvement of this programme, the sheath body open end be provided with can open and close lid.
As a kind of improvement of this programme, the sheath body and lid are made of transparent plastic.
The utility model has the advantages that a kind of sample retrieval system of the present invention, in use, will be obtained in industrial processes first
Fluid sample be put into sampling bottle, sampling bottle is typically the vial of the serum cap of sealing.It opens nitrogen and purges branch
The nitrogen of pipeline switchs, and threeway is turned to interconnection analysis interface tap line, starts the gas of nitrogen component and nitrogen interface
Pump makes in entire pipeline full of nitrogen.Nitrogen switch is closed later, opens the lid of sheath body end, rotation protective case is extremely
Downward, sampling bottle is put into sheath body for lower section, syringe needle pointed end, and the serum cap by needle guard head through sampling bottle is stretched
Enter in bottle, closes lid.Then rotation protective case stands upside down, and entire sampling bottle is made to stand upside down, and opens nitrogen switch.Nitrogen passes through air inlet
Pipe and its needle guard of outside enter in sampling bottle, and fluid sample is pushed into escape pipe, and fluid sample passes through outlet interface, three
Logical and analysis interface tap line enters in analysis instrument.After the completion of analysis, threeway is rotated to connection leakage fluid dram tap line,
Extra sample can be entered in waste liquid pool by leakage fluid dram branch relationship in sampling bottle.
The sample retrieval system, all sampling operations of progress are in the pipeline and structure for being completely closed No leakage
It completes, guarantees that sample and environment will not be contaminated, operator will not be injured.Operator executes to be switched by pipeline, i.e.,
The functions such as automatic sampling, automatic-discharging residual sample can be achieved.
Detailed description of the invention
Fig. 1, the sample recovery structure schematic diagram；
Fig. 2, the reversible needle group jacket assembly structural schematic diagram；
Enlarged diagram at Fig. 3, the rotary connecting joint；
Fig. 4, the reversible needle group jacket assembly turned upside down figure；
Reference signs list: 1, nitrogen purges tap line；2, reversible needle group jacket assembly；3, leakage fluid dram tap line；
4, analysis interface tap line；5, sample thief；21, intake interface；22, outlet interface；23, air inlet swivel head；24, outlet rotates
Head；25, rotary connecting joint；26, connecting bracket；27, sheath body；28, lid；29, fixed bracket；30, needle tubing；31, it seals
Pad；231, air inlet pipe；241, escape pipe.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
It is a kind of sample retrieval system as shown in Figure 1, including nitrogen purges tap line 1, leakage fluid dram tap line 3, divides
Analyse interface tap line 4 and reversible needle group jacket assembly 2.It includes being sequentially connected by pipeline that nitrogen, which purges tap line 1,
Nitrogen interface, nitrogen component and nitrogen switch, nitrogen interface connect air pump, air pump to by nitrogen interface to nitrogen purge branch
Nitrogen is passed through in road pipeline 1, nitrogen component generates nitrogen, nitrogen switch control pipeline connection and closing.Nitrogen purges bypass duct
1 outlet end of line is sequentially connected reversible needle group jacket assembly 2 and threeway import, and threeway outlet is separately connected leakage fluid dram bypass duct
Line 3 and analysis interface tap line 4, the leakage fluid dram connection waste liquid pool of leakage fluid dram tap line 3, analysis interface tap line 4 connect
Connect analysis instrument interface.
As shown in Figures 2 and 3, reversible needle group jacket assembly 2 includes intake interface 21 and outlet interface 22, intake interface
21 and outlet interface 22 be coaxial arrangement two hollow tubular structures, intake interface 21 and 22 position of outlet interface are relatively fixed
And axis keeps horizontal.Intake interface 21 and 22 opposite end of outlet interface are connected with swivel head, 21 end of intake interface
For air inlet swivel head 23,22 end of outlet interface is outlet swivel head 24, and air inlet swivel head 23 and outlet swivel head 24 can move into
Gas interface 21 and the rotation of 22 axis of outlet interface, 23 outer wall of air inlet swivel head, which radially extends, is provided with air inlet pipe 231, out cyclone
24 outer wall of rotary head, which radially extends, is provided with escape pipe 241,231 inner hollow of air inlet pipe and by joining inside air inlet swivel head 23
Logical 21 hollow space of intake interface, 241 inner hollow of escape pipe simultaneously pass through in 24 inside connection outlet interface 22 of outlet swivel head
It is surrounded outside empty part, air inlet swivel head 23 and outlet swivel head 24 and is provided with rotary connecting joint 25.
Rotary connecting joint 25 be socketed in outside 22 end of intake interface 21 and outlet interface rotate about the axis it is hollow
Tube body, 25 middle position of rotary connecting joint are provided with connecting bracket 26, and connecting bracket 26 is 21 axis of axis vertical air inlet interface
Tube body, air inlet pipe 231 and escape pipe 241 are placed side by side and are set in connecting bracket 26, and outside is socketed with needle tubing 30, air inlet pipe
231 and the needle tubing 30 that is socketed of escape pipe 241 run through the fixation bracket 29 that is fixedly connected with connecting bracket 26, fixed 29 top of bracket
There are gasket 31 made of rubber, needle tubing 30 is through gasket 31 and outer wall and gasket 31 are in close contact.Intake interface 21
It connects nitrogen and purges tap line 1, outlet interface 22 connects threeway import.It is additionally provided with protective case in connecting bracket 26, protects
Set includes sheath body 27, and sheath body 27 is the hollow box-like structure of lower ending opening, 27 upper end of sheath body and connecting bracket
26 connections, needle guard head is located inside sheath body 27.27 open end of sheath body be provided with can open and close lid 28.Shield
Set main body 27 and lid 28 are made of transparent plastic.
In actual use, concrete operations process is as follows:
1) fluid sample obtained in industrial processes is put into sampling bottle, sampling bottle is typically the serum cap of sealing
Vial.
2) the nitrogen switch of nitrogen purging tap line 1 is opened, and threeway is turned into interconnection analysis interface tap line
4, start the air pump of nitrogen component and nitrogen interface, makes in entire pipeline full of nitrogen.
3) nitrogen switch is closed, the lid 28 of 27 end of sheath body, rotation protective case to lower section, syringe needle sharp end are opened
Downward, sampling bottle is put into sheath body 27 for portion, and the serum cap by needle guard head through sampling bottle protrudes into bottle, closes lid
Body 28.
4) as shown in figure 4, rotation protective case stands upside down, entire sampling bottle is made to stand upside down.
5) nitrogen switch is opened, nitrogen is entered in sampling bottle by air inlet pipe 231 and its external needle guard, and by liquid-like
Product are pushed into escape pipe 241, and fluid sample enters analysis instrument by outlet interface 22, threeway and analysis interface tap line 4
In.
6) after the completion of analyzing, threeway is rotated to connection leakage fluid dram tap line 3, extra sample can pass through in sampling bottle
Leakage fluid dram branch relationship enters in waste liquid pool.
Through the above steps, the function of sampling analysis and discharging of waste liquid may be implemented.In step 4, when protective case stands upside down,
Sampling bottle is equally stood upside down, and liquid flow to lower section under the effect of gravity and submerges needle guard in sampling bottle.Nitrogen passes through air inlet pipe 231
Needle guard enters in bottle, and nitrogen volume increases in sampling bottle, by liquid be pushed into escape pipe 241 in and the flow progresses in pipeline.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (5)
1. a kind of sample retrieval system, which is characterized in that including nitrogen purging tap line (1), leakage fluid dram tap line (3),
Analysis interface tap line (4) and reversible needle group jacket assembly (2), nitrogen purging tap line (1) include passing through
The sequentially connected nitrogen interface of pipeline, nitrogen component and nitrogen switch, nitrogen interface connect air pump, and nitrogen component generates nitrogen,
Nitrogen switch control pipeline connection and closing；Nitrogen purges tap line (1) outlet end and connects reversible needle group jacket assembly
(2), the reversible needle group jacket assembly (2) includes intake interface (21) and outlet interface (22), the intake interface
(21) and outlet interface (22) is two hollow tubular structures being coaxially disposed, and intake interface (21) and outlet interface (22) are opposite
End is connected with swivel head, and intake interface (21) end is air inlet swivel head (23), and outlet interface (22) end is outlet
Swivel head (24), air inlet swivel head (23) and outlet swivel head (24) can turn around intake interface (21) and outlet interface (22) axis
Dynamic, air inlet swivel head (23) outer wall, which radially extends, to be provided with air inlet pipe (231), and outlet swivel head (24) outer wall radially extends
It is provided with escape pipe (241), air inlet pipe (231) inner hollow simultaneously passes through air inlet swivel head (23) internal connection intake interface (21)
Hollow space, escape pipe (241) inner hollow simultaneously pass through outlet swivel head (24) internal connection outlet interface (22) hollow space,
It surrounds and is provided with rotary connecting joint (25) outside air inlet swivel head (23) and outlet swivel head (24), the rotary connecting joint (25)
For the hollow tube rotated about the axis being socketed in outside intake interface (21) and outlet interface (22) end, rotary connecting joint
(25) middle position is provided with connecting bracket (26), and the connecting bracket (26) is the pipe of axis vertical air inlet interface (21) axis
Body, air inlet pipe (231) and escape pipe (241), which are placed side by side, to be set in connecting bracket (26), and outside is socketed with needle tubing (30), air inlet
Pipe (231) and the needle tubing (30) of escape pipe (241) socket run through the fixation bracket (29) being fixedly connected with connecting bracket (26), Gu
Fixed rack (29) top has gasket made of rubber (31), and needle tubing (30) is through gasket (31) and outer wall and gasket
(31) it is in close contact；Intake interface (21) connects nitrogen and purges tap line (1), outlet interface (22) connection threeway import, and three
Pass-out mouth is separately connected leakage fluid dram tap line (3) and analysis interface tap line (4), the drain of leakage fluid dram tap line (3)
Mouth connection waste liquid pool, analysis interface tap line (4) linking parsing tool interface system.
2. a kind of sample retrieval system as described in claim 1, it is characterised in that: intake interface (21) and outlet interface (22)
Position is relatively fixed and axis keeps horizontal.
3. a kind of sample retrieval system as claimed in claim 2, it is characterised in that: also set up on the connecting bracket (26)
There is protective case, the protective case includes sheath body (27), and the sheath body (27) is the hollow box-like structure of lower ending opening,
Sheath body (27) upper end is connect with connecting bracket (26), and it is internal that needle guard head is located at sheath body (27).
4. a kind of sample retrieval system as claimed in claim 3, it is characterised in that: sheath body (27) the open end setting
Have can open and close lid (28).
5. a kind of sample retrieval system as claimed in claim 4, it is characterised in that: the sheath body (27) and lid (28)
It is made of transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580950.0A CN109406814B (en) | 2018-12-24 | 2018-12-24 | Sample recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580950.0A CN109406814B (en) | 2018-12-24 | 2018-12-24 | Sample recovery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109406814A true CN109406814A (en) | 2019-03-01 |
| CN109406814B CN109406814B (en) | 2024-04-12 |
Family
ID=65460705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580950.0A Active CN109406814B (en) | 2018-12-24 | 2018-12-24 | Sample recovery system |
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| Country | Link |
|---|---|
| CN (1) | CN109406814B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101706380A (en) * | 2009-11-19 | 2010-05-12 | 上海高桥捷派克石化工程建设有限公司 | Three-way sampling head device and using method thereof |
| CN203337620U (en) * | 2013-03-19 | 2013-12-11 | 尚德军 | Pretreatment device suitable for residue analysis of pesticide and veterinary drug |
| CN203965192U (en) * | 2014-07-01 | 2014-11-26 | 淄博市临淄齐美特工贸有限公司 | A kind of enclosed sampling apparatus |
| CN204611027U (en) * | 2015-05-06 | 2015-09-02 | 安策阀门（太仓）有限公司 | A kind of sampling cock with flushing line |
| CN209342737U (en) * | 2018-12-24 | 2019-09-03 | 江苏科维仪表控制工程有限公司 | A kind of sample retrieval system |
-
2018
- 2018-12-24 CN CN201811580950.0A patent/CN109406814B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101706380A (en) * | 2009-11-19 | 2010-05-12 | 上海高桥捷派克石化工程建设有限公司 | Three-way sampling head device and using method thereof |
| CN203337620U (en) * | 2013-03-19 | 2013-12-11 | 尚德军 | Pretreatment device suitable for residue analysis of pesticide and veterinary drug |
| CN203965192U (en) * | 2014-07-01 | 2014-11-26 | 淄博市临淄齐美特工贸有限公司 | A kind of enclosed sampling apparatus |
| CN204611027U (en) * | 2015-05-06 | 2015-09-02 | 安策阀门（太仓）有限公司 | A kind of sampling cock with flushing line |
| CN209342737U (en) * | 2018-12-24 | 2019-09-03 | 江苏科维仪表控制工程有限公司 | A kind of sample retrieval system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109406814B (en) | 2024-04-12 |
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