CN207703711U - A kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument - Google Patents
A kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument Download PDFInfo
- Publication number
- CN207703711U CN207703711U CN201820006244.4U CN201820006244U CN207703711U CN 207703711 U CN207703711 U CN 207703711U CN 201820006244 U CN201820006244 U CN 201820006244U CN 207703711 U CN207703711 U CN 207703711U
- Authority
- CN
- China
- Prior art keywords
- mercury
- air inlet
- gas circuit
- inlet pipe
- bottle
- 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
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 99
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 229940049311 joint gel Drugs 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 238000001391 atomic fluorescence spectroscopy Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 by compression pump Chemical group 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides a kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument, it measures air inlet pipe and is connected by mercury reducing bottle with the inner termination for measuring escape pipe, measurement air inlet pipe and the external end head for measuring escape pipe are respectively connected to air inlet and the gas outlet of Testing Mercury by cold Atom Absorphotometry instrument, it measures and is sequentially installed with No.1 triple valve from outside to inside in air inlet pipe, No. two three-way pipes and No. three three-way pipes, absorption bottle air inlet pipe is connected to No.1 triple valve, absorption bottle escape pipe is connected to No. two three-way pipes, reducing agent sample introduction component is connected to No. three three-way pipes, present arrangement avoids mercury vapour volatilizations and frequently plug to switch air inlet/outlet, the problems such as frequent operation；Solve need manually plug air inlet, gas outlet present situation, avoid the influence of mercury vapour spilling to health during plug of existing device, valve design simultaneously can solve the problems, such as the hermetic reclaim after mercury vapour measurement well, improve accuracy of detection.
Description
Technical field
The utility model belongs to detection measuring apparatus device field, is related to the improvement device of mercury vapourmeter, specially a kind of use
In the sealing gas circuit switch sampling device of Testing Mercury by cold Atom Absorphotometry instrument.
Background technology
In recent years, the technology of mercury continues to develop in determination of the environment.The country promulgated according to Chinese Ministry of Environmental Protection, Ministry of Agriculture etc., department
Standard generally has the methods of spectrophotometry, cold atomic absorption spectrometry, atomic fluorescence spectrometry, existing ring to the measurement of mercury
The common method in border monitoring station is cold atomic absorption spectrometry and atomic fluorescence spectrometry.
The principle of AFS DETERMINATION mercury is：In acid medium, mercury is by potassium borohydride reduction in determination sample
It at atomic state mercury, is brought into atomizer by carrier gas, under special mercury hollow cathode light irradiation, ground state mercury atom is excited supreme
Energy state, deactivate return to ground state when, launch characteristic wavelength and obtain fluorescence, fluorescence intensity is directly proportional to mercury content, Jin Eryu
Standard series is more quantitative.
Clod Vapour Atomic Absorption measure mercury principle be：Sample is first cleared up and is processed into solution, and keeps the state of mercury therein complete
Portion is converted to dimercurion, is then placed in reaction bulb, and stannous chloride reducing agent, at this time, bivalent mercury quilt are added at normal temperatures
It is reduced into mercury atom, by compression pump, mercury atom is blown in absorption tube, the characteristic spectral line for the mercury that high-pressure sodium lamp is sent out at this time
253.7nm, the absorption tube that this light passes through make the intensity of spectral line weaken after mercury atom therein absorbs this characteristic spectral line, weaken journey
Degree is directly proportional to the quantity of mercury in mercury atom steam, accordingly can in determination sample mercury content.
The Clod Vapour Atomic Absorption instrument market price about 5000-10000 members, the atom fluorimetry instrument market price is about 10 ~ 30
Wan Yuan（With reference to State Administration of Quality Supervision, Inspection and Quarantine's equipment purchase in 2016）.Major part testing agency measures mercury still with economical and practical cold original at present
Based on sub- absorption apparatus, but it is existing production family Clod Vapour Atomic Absorption instrument match reduction bottle because sealing with gas circuit switched design in the presence of with
Lower problem：
1, mercury simple substance is overflowed in plug, leads to absorption of human body, is impacted to human body；
2, cumbersome, it needs manually to switch between reducing bottle, absorption bottle：
3, test reduction process be an instantaneous process, in the case that it is non-it is closed mercury simple substance can be caused largely to overflow,
Cause experimental data inaccurate；
4, it is non-it is closed in the case of mercury cannot be fully absorbed, the mercury simple substance of spilling pollutes the environment.
Invention content
It devises one kind for deficiency, applicant existing for above-mentioned existing Testing Mercury by cold Atom Absorphotometry instrument and can solve to leak
The whole process of mercury simple substance seals a kind of closed sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument, can be effective
Solve the problems, such as that have device has the volatilization of mercury simple substance during restoring mercury；Provide a kind of compact, make it is simple and
Easily operated novel environment-protecting device can be controlled by valve and complete being switched fast for sealing between measurement pattern and absorption mode.
The utility model is realized in this way：A kind of sealing gas circuit switch sampling for Testing Mercury by cold Atom Absorphotometry instrument fills
It sets, including gas circuit babinet, mercury absorption bottle and mercury reducing bottle, includes measuring air inlet pipe, measuring escape pipe, inhale in the gas circuit babinet
Bottle air inlet pipe, absorption bottle escape pipe and reducing agent sample introduction component are received, the inner termination for measuring air inlet pipe and measurement escape pipe passes through mercury
Reducing bottle is connected, and the external end head of measurement air inlet pipe and measurement escape pipe is respectively connected to the air inlet of Testing Mercury by cold Atom Absorphotometry instrument
And gas outlet, it measures and is sequentially installed with No.1 triple valve, No. two three-way pipes and No. three three-way pipes from outside to inside in air inlet pipe, absorb
Bottle air inlet pipe is connected to No.1 triple valve, and absorption bottle escape pipe is connected to No. two three-way pipes, and reducing agent sample introduction component is connected to three
Number three-way pipe.
Further, to be equipped with first between No.1 triple valve and No. two three-way pipes in the measurement air inlet pipe non-return
Valve is equipped with the second check (non-return) valve on the absorption bottle escape pipe between mercury absorption bottle and No. two three-way pipes.
Further, the gas circuit babinet is a rectangular box, extend to measurement air inlet pipe outside gas circuit babinet and
It is telescopic hose construction to measure duct portion.
Further, the external end head connector for measuring air inlet pipe and measuring escape pipe is silica gel bell and spigot joint, silica gel socket
Head can be socketed interface of the diameter between 4-6mm.
Further, card slot is for loading and unloading mercury reducing bottle and mercury absorption bottle there are two being opened up on the outside of the gas circuit babinet.
Further, the reducing agent sample introduction component is syringe-shaped sampling device.
Further, the present apparatus further includes back sticker.
Compared with the product of existing producer, the utility model achieves apparent technological progress, and the utility model is brought
Technique effect：The present apparatus avoids mercury vapour volatilization and frequent plug under the premise of hardly changing original apparatus structure
The problems such as switching air inlet/outlet, frequent operation；Gas circuit and valve design, solve needs manually plug air inlet, gas outlet
Present situation, avoid existing device mercury vapour during plug and overflow influence to health, while valve design can be fine
Solve the problems, such as mercury vapour measure after hermetic reclaim, improve accuracy of detection；Closed reducing agent sampling system, and it is normal
Reducing bottle comparison is advised, the influence for being added that generation mercury vapour generates human body in reducing agent is avoided；The seal of entire product is kept away
Human body is exempted to be injured by more mercury simple substance, so that original cumbersome operation is become simple and convenient, improve operating efficiency
More meet human oriented design simultaneously.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument；
Wherein：1-gas circuit babinet, 2-mercury absorption bottles, 3-mercury reducing bottles, 4-measure air inlet pipe, 5-measure escape pipes,
6-absorption bottle air inlet pipe, 7-absorption bottle escape pipes, 8-reducing agent sample introduction components, 9-No.1 triple valves, 10-No. two threeways
Pipe, 11-No. three three-way pipes, the 12-the first check (non-return) valve, the 13-the second check (non-return) valve, 14-Testing Mercury by cold Atom Absorphotometry instrument.
Specific implementation mode
Embodiment 1：As shown in Figure 1, a kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument, including
Gas circuit babinet 1, mercury absorption bottle 2 and mercury reducing bottle 3, the interior gas circuit babinet 1 includes measuring air inlet pipe 4, measuring escape pipe 5, inhale
Bottle air inlet pipe 6, absorption bottle escape pipe 7 and reducing agent sample introduction component 8 are received, the inner termination for measuring air inlet pipe 4 and measurement escape pipe 5 is logical
It crosses mercury reducing bottle 3 to be connected, the external end head for measuring air inlet pipe 4 and measurement escape pipe 5 is respectively connected to Testing Mercury by cold Atom Absorphotometry instrument
Air inlet and gas outlet, measure air inlet pipe 4 on be sequentially installed with 9, No. two three-way pipes 10 and three of No.1 triple valve from outside to inside
Number three-way pipe 11, absorption bottle air inlet pipe 6 are connected to No.1 triple valve 9, and absorption bottle escape pipe 7 is connected to No. two three-way pipes 10, also
Former agent sample introduction component 8 is connected to No. three three-way pipes 11.In use, mercury absorption bottle 2 and mercury reducing bottle 3 respectively with respective tracheae pair
Connect installation, by measure air inlet pipe 4 and measure escape pipe 5 outer end respectively to connect Testing Mercury by cold Atom Absorphotometry instrument 14 inlet end and
No.1 triple valve 9 is opened in outlet side, so that No. two three-way pipes 10 is all kept connection on measuring air inlet pipe 4, by reducing agent sample introduction portion
Part 8 and No. three installations of three-way pipe 11 connect, and by mercury sample access mercury reducing bottle 3 to be detected, start Testing Mercury by cold Atom Absorphotometry instrument
14 start to detect, and gas enters measurement air inlet pipe 4 from Testing Mercury by cold Atom Absorphotometry instrument and opened into mercury reducing bottle 3 in mercury reducing bottle 3
Beginning inside recycles, and starts reducing agent sample introduction component 8, it is interior and to be detected that the suitable measurement air inlet pipe 4 of reducing agent is pushed into mercury reducing bottle 3
Mercury example reaction, the Elemental Mercury after reaction enter completion detection work in Testing Mercury by cold Atom Absorphotometry instrument along escape pipe 5 is measured, then
Rotation No.1 triple valve 9 makes it be switched to the state that air inlet pipe 4 is connected to absorption bottle air inlet pipe 6 that measures, and mercury simple substance enters mercury suction
It receives bottle 2 to be absorbed, then be connect with mercury reducing bottle 3 by absorption bottle escape pipe 7, it is all in the pipeline after detecting to ensure
Mercury elementary gas is completed recycling in mercury absorption bottle 2 and is absorbed, and after the completion of absorption, closes Testing Mercury by cold Atom Absorphotometry instrument, completes mercury
Detect work.
Sealing gas circuit switch sampling device provided in this embodiment, gas circuit and valve design solve in traditional equipment operation also
Needed when former, absorption process manually plug air inlet, gas outlet present situation, avoid existing apparatus and pulled out in detection process
Mercury vapour overflows influence to health during inserting, at the same valve design can solve well it is close after mercury vapour measures
Close recycling problem.It is docked so that removing artificial manual switching between mercury reducing bottle 3 and mercury absorption bottle 2 from, whole process is in seal shape
The switching of gas circuit is completed under state, and realizes the sample introduction of reducing agent in the case of hermetically sealed, be ensure that detection process is hermetically sealed, is kept away
The leakage for having exempted from mercury simple substance also improves operation Discussing Convenience and accuracy under the premise of guaranteeing safety, and improves work effect
Rate.
Further, it measures in air inlet pipe 4 and first check (non-return) valve is installed between No.1 triple valve 9 and No. two three-way pipes 10
12, the second check (non-return) valve 13 is installed on the absorption bottle escape pipe 7 between mercury absorption bottle 2 and No. two three-way pipes 10.Second is non-return
Valve 13 prevents measurement 4 gas of air inlet pipe from entering absorption bottle escape pipe 7, and installation check (non-return) valve can ensure the unidirectional smooth stream of gas circuit
It is logical, improve accuracy.
Embodiment 2：On the basis of embodiment 1, gas circuit babinet 1 is a rectangular box, is extended to outside gas circuit babinet 1
Measurement air inlet pipe 4 and to measure escape pipe 5 part be telescopic hose construction.Telescopic hose construction can be more easily
Air inlet pipe 4 will be measured and measurement escape pipe 5 carries out dragging and mercury reducing bottle 3 docks, increase and use to obtain convenience；It measures
Air inlet pipe 4 and the external end head connector for measuring escape pipe 5 are silica gel bell and spigot joint, and silica gel bell and spigot joint can be socketed diameter between 4-6mm
Interface.Such structure enables to the external end head connector for measuring air inlet pipe 4 and measurement escape pipe 5 that can be adapted to various producers
The docking of the mercury reducing bottle 3 of the various models of production increases practicability and applicable surface.Block there are two opening up in 1 outside of gas circuit babinet
Slot is for loading and unloading mercury reducing bottle 3 and mercury absorption bottle 2.Card slot can be used in storage and place mercury reducing bottle 3 and mercury absorption bottle 2；Reduction
Agent sample introduction component 8 is syringe-shaped sampling device, and promotes sample introduction for automatic or manual formula；The present apparatus further includes back sticker, is used
In fixed whole device, stability when device uses is improved.
Claims (7)
1. a kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument, which is characterized in that including gas circuit babinet,
Mercury absorption bottle and mercury reducing bottle, the interior gas circuit babinet includes measuring air inlet pipe, measuring escape pipe, absorption bottle air inlet pipe, absorb
Bottle escape pipe and reducing agent sample introduction component measure air inlet pipe and are connected by mercury reducing bottle with the inner termination for measuring escape pipe, survey
Amount air inlet pipe and the external end head for measuring escape pipe are respectively connected to air inlet and the gas outlet of Testing Mercury by cold Atom Absorphotometry instrument, measure into
No.1 triple valve, No. two three-way pipes and No. three three-way pipes, absorption bottle air inlet pipe are sequentially installed on tracheae from outside to inside to be connected to
No.1 triple valve, absorption bottle escape pipe are connected to No. two three-way pipes, and reducing agent sample introduction component is connected to No. three three-way pipes.
2. sealing gas circuit switch sampling device according to claim 1, which is characterized in that one in the measurement air inlet pipe
Number the first check (non-return) valve is installed between triple valve and No. two three-way pipes, the absorption bottle between mercury absorption bottle and No. two three-way pipes goes out
Second check (non-return) valve is installed on tracheae.
3. sealing gas circuit switch sampling device according to claim 1, which is characterized in that the gas circuit babinet is one long
Square box, the measurement air inlet pipe extended to outside gas circuit babinet are telescopic hose construction with duct portion is measured.
4. sealing gas circuit switch sampling device according to claim 1, which is characterized in that the measurement air inlet pipe and measurement
The external end head connector of escape pipe is silica gel bell and spigot joint, and silica gel bell and spigot joint can be socketed interface of the diameter between 4-6mm.
5. sealing gas circuit switch sampling device according to claim 1, which is characterized in that opened up on the outside of the gas circuit babinet
There are two card slots for loading and unloading mercury reducing bottle and mercury absorption bottle.
6. sealing gas circuit switch sampling device according to claim 1, which is characterized in that the reducing agent sample introduction component is
Syringe-shaped sampling device.
7. sealing gas circuit switch sampling device according to claim 1, which is characterized in that the present apparatus further includes back glue
Patch, back sticker are located at the back or bottom of the present apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006244.4U CN207703711U (en) | 2018-01-03 | 2018-01-03 | A kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006244.4U CN207703711U (en) | 2018-01-03 | 2018-01-03 | A kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703711U true CN207703711U (en) | 2018-08-07 |
Family
ID=63031187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006244.4U Expired - Fee Related CN207703711U (en) | 2018-01-03 | 2018-01-03 | A kind of sealing gas circuit switch sampling device for Testing Mercury by cold Atom Absorphotometry instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297067A (en) * | 2018-11-12 | 2019-10-01 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment unit and its preprocess method |
| CN110687248A (en) * | 2019-01-30 | 2020-01-14 | 杭州超钜科技有限公司 | System and method for rapidly detecting trace mercury in liquid |
-
2018
- 2018-01-03 CN CN201820006244.4U patent/CN207703711U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297067A (en) * | 2018-11-12 | 2019-10-01 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment unit and its preprocess method |
| CN110297067B (en) * | 2018-11-12 | 2021-10-19 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment device and pretreatment method thereof |
| CN110687248A (en) * | 2019-01-30 | 2020-01-14 | 杭州超钜科技有限公司 | System and method for rapidly detecting trace mercury in liquid |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |