CN206832675U - A kind of liquid phase static state gas phase molecular absorption spectrometer - Google Patents
A kind of liquid phase static state gas phase molecular absorption spectrometer Download PDFInfo
- Publication number
- CN206832675U CN206832675U CN201720494134.2U CN201720494134U CN206832675U CN 206832675 U CN206832675 U CN 206832675U CN 201720494134 U CN201720494134 U CN 201720494134U CN 206832675 U CN206832675 U CN 206832675U
- Authority
- CN
- China
- Prior art keywords
- path device
- gas
- liquid phase
- absorption spectrometer
- static state
- 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.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of liquid phase static state gas phase molecular absorption spectrometer, including control device, fluid path device, gas path device and light path device, control device controls connection fluid path device, gas path device and light path device respectively, gas path device is connected with fluid path device, light path device respectively, wherein, fluid path device includes automatic sampler, mixing arrangement, the separate reactor being sequentially connected；Light path device includes light supply apparatus, extinction pipe, filter, the photoelectric detector being sequentially connected；Gas path device includes compressed air source unit, separate reactor, extinction pipe, the wastemaster being sequentially connected；Blow device is provided with inside separate reactor.Can be by the gas that the water sample for entering separate reactor and chemical reagent reflect after liquid phase separation enters gas phase, the under test gas in gas phase is purged with carrier gas again and determines absorbance into extinction pipe, prevent a large amount of foams in liquid phase on water sample from entering in extinction pipe, increase the accuracy of molecular absorption spectrometer measured value.
Description
Technical field
It the utility model is related to optic analytical instrument, and in particular to a kind of liquid phase static state gas phase molecular absorption spectrometer.
Background technology
Gas-phase molecular absorption spectrometry method is with being detected based on the gas that detected composition is resolved into the absorption intensity of light
The relation for surveying constituent concentration observes law of Beer this principle to be quantitative determined, first by chemical reaction during detection,
Ion in the aqueous solution or molecule are converted into certain gas, gas molecule in the case of by ectocine, is not being located generally
In relatively steady state, referred to as ground state gas molecule.But once these gas molecules receive the light spoke of specific wavelength
When penetrating, it is easy to produce corresponding molecular vibration.Energy needed for molecular vibration occurs is certain, and this specific energy is referred to as
Characterization of molecules spectral line.But existing gas phase molecular absorption spectrometer easily produces a large amount of anionic surfaces work agent etc. in water sample
Foam be blown into gas circuit or even extinction pipe, make measurement result unstable or can not determine completely, cause the low accuracy rate in data
For unserviced automation gas phase molecular absorption spectrometer, because instrument can not judge that foam blocks gas circuit and extinction in time
Guan Shi, measure continue to carry out, and cause measurement result invalid or even damage instrument.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of liquid phase static state gas phase molecular absorption spectrometer, can incite somebody to action
Into the gas that water sample and the chemical reagent of separate reactor reflect after liquid phase separation enters gas phase, then with carrier gas by gas phase
In under test gas purge and determine absorbance into extinction pipe, prevent a large amount of foams in liquid phase on water sample from entering extinction pipe
In, the accuracy of increase molecular absorption spectrometer measured value, to solve the defects of prior art causes.
Following technical scheme is provided to solve above-mentioned technical problem the utility model：A kind of liquid phase static state gas molecule in space is inhaled
Spectrometer is received, including control device, fluid path device, gas path device and light path device, the control device control connection respectively
The fluid path device, the gas path device and the light path device, the gas path device respectively with the fluid path device, described
Light path device connects, wherein, the fluid path device includes the automatic sampler, mixing arrangement and separation reaction being sequentially connected
Device；The light path device includes light supply apparatus, extinction pipe, filter and the photoelectric detector being sequentially connected；The gas circuit dress
Put compressed air source unit, the separate reactor, the extinction pipe and wastemaster including being sequentially connected；
Blow device is provided with inside the separate reactor.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, the blow device is provided with part and leant out
The admission line of the separate reactor, the admission line are connected with the compressed air source unit.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, the top of the separate reactor, which is provided with, to be connected
Connect the outlet pipe of the extinction pipe.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, the outlet pipe and the extinction pipe it
Between be provided with dehydrater.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, data are provided with inside the control device and are received
Device and data processing equipment are sent out, it is described to have data collector electrical connection and the data processing equipment.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, the light supply apparatus be hollow cathode lamp or
Deuterium lamp.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, it is provided with grating inside the photoelectric detector
Unilateral device and signal amplifier or photocell or CCD photoelectric conversion arrays.
A kind of above-mentioned liquid phase static state gas phase molecular absorption spectrometer, wherein, the mixing arrangement is mixed pipe line.
The effect of the technical scheme provided according to a kind of liquid phase static state gas phase molecular absorption spectrometer of above-mentioned the utility model
It is：Can be by the gas that the water sample for entering separate reactor and chemical reagent reflect after liquid phase separation enters gas phase, then use
Under test gas in gas phase is purged and determines absorbance into extinction pipe by carrier gas, prevents a large amount of foams in liquid phase on water sample from entering
Into extinction pipe, increase the accuracy of molecular absorption spectrometer measured value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of liquid phase static state gas phase molecular absorption spectrometer；
Fig. 2 is the structural representation of second embodiment.
Wherein, reference is as follows：Control device 101, fluid path device 102, gas path device 103, light path device 104, from
Dynamic injector 105, mixing arrangement 106, separate reactor 107, light supply apparatus 108, extinction pipe 109, filter 110, photoelectricity inspection
Survey device 111, compressed air source unit 112, wastemaster 113, dehydrater 201.
Embodiment
In order that technological means, creation feature, reached purpose and effect that utility model is realized are easy to understand, lower knot
Conjunction is specifically illustrating, and the utility model is expanded on further.
First embodiment of the present utility model is to provide a kind of liquid phase static state gas phase molecular absorption spectrometer, it is therefore an objective to will enter
Enter gas that the water sample of separate reactor and chemical reagent reflect after liquid phase separation enters gas phase, then with carrier gas by gas phase
Under test gas purge and determine absorbance into extinction pipe, prevent a large amount of foams in liquid phase on water sample from entering in extinction pipe,
Increase the accuracy of molecular absorption spectrometer measured value.
As shown in figure 1, a kind of liquid phase static state gas phase molecular absorption spectrometer, including control device 101, fluid path device 102,
Gas path device 103 and light path device 104, control device 101 control respectively connection fluid path device 102, gas path device 103 and
Light path device 104, gas path device 103 are connected with fluid path device 102, light path device 104 respectively, wherein, fluid path device 102 includes
Automatic sampler 105, mixing arrangement 106 and the separate reactor 107 being sequentially connected；Light path device 104 includes being sequentially connected
Light supply apparatus 108, extinction pipe 109, filter 110 and photoelectric detector 111；Gas path device 103 includes what is be sequentially connected
Compressed air source unit 112, separate reactor 107, extinction pipe 109 and wastemaster 113；The inside of separate reactor 107, which is provided with, blows
Sweeping device.
The blow device that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses is provided with part
The admission line of separate reactor 107 is leant out, admission line is connected with compressed air source unit 112.
A kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides is to be based on gas-phase molecular absorption spectrometry method
The principle of detection gas, its operating process are as follows：
Control device 101, fluid path device 102, gas path device 103 and light path device 104 are assembled, passes through control first
The control operation fluid path device 102 of device 101, sample and the classes of agents needed for reaction by entering automatically in fluid path device 102
Sample device 105 introduces fluid path device 102, and it is mixed and fed into separate reactor as needed for detection reaction in mixing arrangement 106
107, reagent makes by well-mixed sample and reagent progress in separate reactor 107 according to the detection demand of target substance
Chemical reaction；Secondly, control device 101 controls gas path device 103, and detection is pressed into separation reaction by compressed air source unit 112 with carrier gas
Device 107, the characteristic gas available for target substance content in detection sample are brought into extinction pipe 109 by carrier gas；Finally, control dress
Put 101 control light path devices 104, the characteristic gas brought into the light irradiation extinction pipe 109 that light supply apparatus 108 is sent by carrier gas,
A part of light is absorbed by the gas in extinction pipe 109, and remaining light passes through filter 110, selects test substance sink effect
Strong feature light beam, its luminous intensity are converted by the optical detector into corresponding electric signal, and the change of signal can be used for determining determinand
The content of matter.Waste liquid, the waste gas generated in detection process, gurry processing unit is sent into, avoids causing environmental pollution.
The operation principle of separate reactor 107 in a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides
It is：After chemical reagent enters separate reactor 107 with water sample by sample channel, water sample and chemical reagent abundant rapid reaction point
Solution under test gas be transferred to gas phase, the carrier gas in compressed air source unit 112 enters blow device, blow device by admission line
Under test gas in the gas phase of separate reactor 107 is purged to extinction pipe 109 and determines absorbance.
The top for the separate reactor 107 that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses
Outlet pipe provided with connection extinction pipe 109.
The outlet pipe that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses and extinction pipe 109
Between be provided with dehydrater 201.
The inside of control device 101 that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses is provided with
Data collector and data processing equipment, there are data collector electrical connection and data processing equipment.
The light supply apparatus 108 that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses is hollow the moon
Pole lamp or deuterium lamp.
Set inside the photoelectric detector 111 that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses
There are grating one side device and signal amplifier or photocell or CCD photoelectric conversion arrays.
The mixing arrangement 106 that a kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment provides uses is mixing tube
Road, just mixed when chemical reagent is entering separate reactor 107 with water sample.
When a kind of liquid phase static state gas phase molecular absorption spectrometer provided using the present embodiment is measured nitrite nitrogen
Specific experiment data it is as follows：
1. the measure of nitrite nitrogen calibration curve is as shown in table 1：
Table 1
| Standard point | Blank | 1 | 2 | 3 | 4 | 5 |
| Concentration（mg/L） | 0.00 | 0.50 | 1.00 | 1.50 | 2.00 | 2.50 |
| Absorbance（Abs） | 0.0007 | 0.0482 | 0.0977 | 0.1416 | 0.1857 | 0.2364 |
Intercept b=0.0009 of the slope k of curve correlation coefficient r=0.9998=0.0934
2. use nitrite nitrogen calibration curve（Table 1）It is as shown in table 2 to measure each standard point concentration value：
Table 2
| Standard point | Blank | 1 | 2 | 3 | 4 | 5 |
| Concentration（mg/L） | 0.00 | 0.50 | 1.00 | 1.50 | 2.00 | 2.50 |
| The concentration of measure | 0.00 | 0.51 | 0.99 | 1.52 | 1.98 | 2.50 |
The concentration value and standard point concentration value error of measure are ≤2%.
3. the detection limit for determining nitrite nitrogen is as shown in table 3：
Table 3
| Blank solution | 1 | 2 | 3 | 4 | 5 | 6 | Sb |
| Absorbance（Abs） | 0.0004 | 0.0003 | 0.0005 | 0.0003 | 0.0004 | 0.0004 | 0.000075 |
To determine the standard deviation of 6 blank solutions（Sb）Divided by Slope of Calibration Curve（The 0.0934 of table 1）As detection
Limit（DL）.With formula：DL=3Sb/k calculates detection limit：
0.0934=the 0.0024mg/L of ÷ of DL=3 × 0.000075, are less than《HJ/ T197-2005 water quality nitrite nitrogens
Determine gas-phase molecular absorption spectrometry method》Detection limit 0.003mg/L.
Nitrite nitrogen unifies the measure of standard specimen
Standard specimen value：0.102mg/L±0.006mg/L.
Measured value：0.104mg/L .
Error is：0.004mg/L, less than 0.006mg/L.
4.1.5mg/L nitrite nitrogen titer repeats（n=7）Measurement accuracy is as shown in table 4：
Table 4
| Determine number | 1 | 2 | 3 | 4 | 5 | 6 | Relative standard deviation |
| Absorbance A | 0.1352 | 0.1365 | 0.1372 | 0.1349 | 0.1378 | 0.1370 | CV=0.84% |
This CV=0.84% is optimum value, general provision CV≤3%.
Second embodiment：
A kind of liquid phase static state gas phase molecular absorption spectrometer that the present embodiment unlike first embodiment provides uses
Outlet pipe and extinction pipe between be provided with dehydrater, prevent excessive moisture enter in extinction pipe cause detect data not
Accurate situation, and prevent from damaging instrument.
To sum up, a kind of liquid phase static state gas phase molecular absorption spectrometer of the present utility model, separate reactor will can be entered
The gas that reflects of water sample and chemical reagent the under test gas in gas phase is blown after liquid phase separation enters gas phase, then with carrier gas
It is swept in extinction pipe and determines absorbance, prevent a large amount of foams in liquid phase on water sample from entering in extinction pipe, increases molecule absorption
The accuracy of spectrometer measurement numerical value.
The specific embodiment of utility model is described above.It is to be appreciated that utility model is not limited to
Above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as being given with the common mode in this area
To implement；Those skilled in the art, which can make various deformations or amendments within the scope of the claims and make, some simply to push away
Drill, deform or replace, this has no effect on the substantive content of utility model.
Claims (8)
1. a kind of liquid phase static state gas phase molecular absorption spectrometer, including control device, fluid path device, gas path device and light path dress
Put, the control device controls connection fluid path device, the gas path device and the light path device, the gas circuit respectively
Device is connected with the fluid path device, the light path device respectively, it is characterised in that the fluid path device includes what is be sequentially connected
Automatic sampler, mixing arrangement and separate reactor；The light path device include be sequentially connected light supply apparatus, extinction pipe,
Filter and photoelectric detector；The gas path device includes the compressed air source unit, the separate reactor, the suction being sequentially connected
Light pipe and wastemaster；
Blow device is provided with inside the separate reactor.
A kind of 2. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 1, it is characterised in that the blow device
The admission line that part leans out the separate reactor is provided with, the admission line is connected with the compressed air source unit.
A kind of 3. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 2, it is characterised in that the separation reaction
The top of device is provided with the outlet pipe for connecting the extinction pipe.
A kind of 4. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 3, it is characterised in that the outlet pipe
Dehydrater is provided between the extinction pipe.
A kind of 5. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 1, it is characterised in that the control device
Inside is provided with data collector and data processing equipment, described to have data collector electrical connection and the data processing equipment.
A kind of 6. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 1, it is characterised in that the light supply apparatus
For hollow cathode lamp or deuterium lamp.
A kind of 7. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 1, it is characterised in that the Photoelectric Detection
Grating one side device and signal amplifier or photocell or CCD photoelectric conversion arrays are provided with inside device.
A kind of 8. liquid phase static state gas phase molecular absorption spectrometer as claimed in claim 1, it is characterised in that the mixing arrangement
For mixed pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494134.2U CN206832675U (en) | 2017-05-05 | 2017-05-05 | A kind of liquid phase static state gas phase molecular absorption spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494134.2U CN206832675U (en) | 2017-05-05 | 2017-05-05 | A kind of liquid phase static state gas phase molecular absorption spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832675U true CN206832675U (en) | 2018-01-02 |
Family
ID=60769253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720494134.2U Active CN206832675U (en) | 2017-05-05 | 2017-05-05 | A kind of liquid phase static state gas phase molecular absorption spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801947A (en) * | 2017-05-05 | 2018-11-13 | 上海安杰环保科技股份有限公司 | A kind of liquid phase static state gas phase molecular absorption spectrometer |
-
2017
- 2017-05-05 CN CN201720494134.2U patent/CN206832675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801947A (en) * | 2017-05-05 | 2018-11-13 | 上海安杰环保科技股份有限公司 | A kind of liquid phase static state gas phase molecular absorption spectrometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102809546B (en) | Low-concentration flue gas infra-red analyzer and detection method | |
| CN206300893U (en) | A kind of multiple light courcess gas phase adsorption spectrometer | |
| CN110808203B (en) | Device and method for quickly and accurately detecting impurities in high-purity hydrogen for hydrogen fuel cell | |
| CN206832675U (en) | A kind of liquid phase static state gas phase molecular absorption spectrometer | |
| CN201681043U (en) | Gas phase molecular absorption spectrometer | |
| CN107782677A (en) | A kind of all-wave length gas phase molecular absorption spectrometer | |
| CN107703222B (en) | Method for determining trace organic amine in atmospheric particulates | |
| CN206020258U (en) | A kind of all-wave length gas phase molecular absorption spectrometer | |
| CN1241009C (en) | In-situ monitoring method and apparatus for ultracritical fluid technology condition | |
| CN101329288B (en) | Correcting method of boron and phosphorus content measurement in BPSG | |
| CN113155797B (en) | Method and device for realizing interference judgment and interference-free measurement of OH free radical measurement | |
| CN108801947A (en) | A kind of liquid phase static state gas phase molecular absorption spectrometer | |
| CN109596540A (en) | Gas phase molecular absorption spectrometer with redundancy function of temperature control | |
| WO2019129269A1 (en) | Paper-based sample feeding device and method | |
| CN206832676U (en) | One kind separation reaction unit | |
| CN210269595U (en) | Gas phase molecular absorption spectrometer for intermittent flow sample introduction | |
| CN206020259U (en) | A kind of Portable gas-phase molecular absorption spectrometer | |
| JP3274187B2 (en) | Emission spectroscopy method | |
| CN113376280A (en) | Method for simultaneously detecting 94 amino acids in urine sample | |
| CN112834685A (en) | Method for measuring total phosphorus concentration in surface water | |
| CN110320299B (en) | Rapid detection method for COD in organic sewage | |
| CN114354520A (en) | Device and method for detecting VOCs in water | |
| CN104849223A (en) | Full spectrum on-line detection device and method for multiple organic mixed pollution wastewater concentration | |
| CN206020157U (en) | A kind of gas cleaning plant | |
| CN219348641U (en) | Atomizer with automatic cleaning function and liquid cathode glow discharge spectrometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201908 room 224, district F, 689 lane, rofen Road, Baoshan District, Shanghai, 224. Patentee after: Shanghai Anjie Zhichuang Technology Co.,Ltd. Address before: 201908 room 224, district F, 689 lane, rofen Road, Baoshan District, Shanghai, 224. Patentee before: SHANGHAI ANJIE ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |