CN108226075A - A kind of total nitrogen analysis measuring apparatus - Google Patents
A kind of total nitrogen analysis measuring apparatus Download PDFInfo
- Publication number
- CN108226075A CN108226075A CN201711470091.5A CN201711470091A CN108226075A CN 108226075 A CN108226075 A CN 108226075A CN 201711470091 A CN201711470091 A CN 201711470091A CN 108226075 A CN108226075 A CN 108226075A
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- CN
- China
- Prior art keywords
- end outer
- liquid
- light
- unit
- total nitrogen
- 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.)
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Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 33
- 238000004458 analytical method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 238000001514 detection method Methods 0.000 claims abstract description 51
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 9
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims abstract description 8
- 229910052805 deuterium Inorganic materials 0.000 claims abstract description 8
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 8
- 238000004020 luminiscence type Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 238000002835 absorbance Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004457 water analysis Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
Abstract
The invention discloses total nitrogen analysis measuring apparatus; including interior cycle without ammonia protective device with measuring detection light supply apparatus; an interior side external surface of the cycle without ammonia protective device is provided with liquid liquid separation harvester; and the upper end outer surface of liquid liquid separation harvester is provided with liquid level tube; one side external surface of the liquid level tube is provided with liquid level detection device; and the upper end outer surface of liquid level tube is provided with peristaltic pump; the lower end outer surface of the liquid liquid separation harvester is provided with waste liquid valve, and the upper end outer surface for measuring detection light supply apparatus is provided with drain tap.Total nitrogen analysis measuring apparatus to interfere without ammonia in air in entire total nitrogen detection process access, and deuterium lamp is radiated in large space, avoid the problem that flashing is fixed and the different wave length interference of light causes DATA REASONING deviation too big, reduce equipment light source fluctuation, extend equipment reagent service life and extend equipment light source service life, stabilizing equipment detection environment.
Description
Technical field
The present invention relates to water analysis technical field, more particularly to total nitrogen analysis measuring apparatus.
Background technology
The water analysis of total nitrogen is practical to detect reaction product content, then retrodict meter using physical means after chemical reaction
Total nitrogen content in water sample is calculated, using ultraviolet specrophotometer at wavelength 220nm and 275nm, measures absorbance A 220 respectively
And A275, calibration absorbance A is calculated according to formula A=A220-2A275, total nitrogen content is directly proportional to calibration absorbance A, passes through
Standard curve calculates total nitrogen content in sample, and there is also nitrogen in ammonia in gaseous environment, and water is extremely readily soluble in, it is right
Detection in field device has strong interference, and wavelength is that the light wave light source stability of 220nm and 275nm directly affects detection knot
Fruit, for these technical problems, it is proposed that a kind of novel total nitrogen analysis measuring apparatus.
Invention content
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide total nitrogen analysis measuring apparatus.
In order to solve the above technical problem, the present invention provides following technical solutions：
Total nitrogen analysis measuring apparatus of the invention, it is described including interior cycle without ammonia protective device with measuring detection light supply apparatus
An interior side external surface of the cycle without ammonia protective device is provided with liquid liquid separation harvester, and the upper end of liquid liquid separation harvester
Outer surface is provided with liquid level tube, and a side external surface of the liquid level tube is provided with liquid level detection device, and outside the upper end of liquid level tube
Surface is provided with peristaltic pump, and the lower end outer surface of the liquid liquid separation harvester is provided with waste liquid valve, described to measure detection
The upper end outer surface of light supply apparatus is provided with drain tap, and the lower end outer surface for measuring detection light supply apparatus is provided with closing valve
Door, the interior cycle are internally provided with ammonia-free gas room, and the side external surface setting of ammonia-free gas room without ammonia protective device
There is reagent storage room, another side external surface of the ammonia-free gas room is provided with gas circulator, described to measure detection light source dress
The luminescence unit that is internally provided with put is protected from light housing, and luminescence unit is protected from light one end outer surface of housing to be provided with deuterium lamp heat dissipation single
Member, the upper end outer surface that the luminescence unit is protected from light housing are provided with 220nm wavelength light luminescence units, and luminescence unit is protected from light shell
The lower end outer surface of body is provided with 275nm wavelength monochrome light emission units, and the luminescence unit is protected from light being internally provided with for housing
220nm filter units and light splitting converge unit, and luminescence unit is protected from light the other end outer surface of housing and is provided with resolution unit and keeps away
Bare hull body, one end outer surface that the resolution unit is protected from light housing is provided with absorption optical detecting unit, and clears up unit and be protected from light shell
Body is internally provided with total nitrogen detection reaction vessel unit.
Preferably, the 220nm filter units are located at the side that light splitting converges unit, and light splitting converges unit and is located at
The top of 275nm wavelength monochrome light emission units.
Preferably, conduit, and liquid point are provided between the liquid liquid separation harvester 5 and measurement detection light supply apparatus
One end outer surface of liquid harvester is fixed by one end outer surface of conduit with measuring the lower end outer surface of detection light supply apparatus
Connection.
Preferably, the upper end outer surface for measuring detection light supply apparatus is provided with connecting tube, and the drain tap is located at
One side external surface of connecting tube.
Preferably, the quantity of the liquid level detection device is two pairs, and two pairs of liquid level detection device specification sizes are identical, two pairs
Liquid level detection device is symmetrically distributed in the both sides of liquid level tube.
Preferably, the lower end outer surface of the liquid liquid separation harvester is provided with drainage tube, and the waste liquid valve is located at
One side external surface of drainage tube.
The advantageous effect that is reached of the present invention is：Total nitrogen analysis measuring apparatus causes in entire total nitrogen detection process access
Ammonia interferes in no air, and deuterium lamp is radiated in large space, avoids flashing calmly and the different wave length interference of light is drawn
The problem of DATA REASONING deviation is too big is played, reduces equipment light source fluctuation, extend equipment reagent service life and extends equipment light source
Service life, stabilizing equipment detection environment.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of total nitrogen analysis measuring apparatus of the invention；
Fig. 2 is the interior cycle of total nitrogen analysis measuring apparatus of the invention without ammonia protective device structure chart；
Fig. 3 is the measurement detection light source device structure figure of total nitrogen analysis measuring apparatus of the invention；
Fig. 4 is that the light splitting of total nitrogen analysis measuring apparatus of the invention converges cellular construction figure.
In figure：1st, interior cycle is without ammonia protective device；2nd, peristaltic pump；3rd, liquid level detection device；4th, liquid level tube；5th, liquid liquid separation
Harvester；6th, waste liquid valve；7th, detection light supply apparatus is measured；8th, drain tap；9th, closing valve；10th, ammonia-free gas room；
11st, reagent storage room；12nd, gas circulator；13rd, luminescence unit is protected from light housing；14th, deuterium lamp heat-sink unit；15th, 220nm wavelength
Light luminescence unit；16th, 275nm wavelength monochrome light emission unit；17th, 220nm filter units；18th, light splitting converges unit；19th, disappear
Solution unit is protected from light housing；20th, optical detecting unit is absorbed；21st, total nitrogen detection reaction vessel unit.
Specific embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein
It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figs 1-4, total nitrogen analysis measuring apparatus, including interior cycle without ammonia protective device 1 with measuring detection light source dress
7 are put, an interior side external surface of the cycle without ammonia protective device 1 is provided with liquid liquid separation harvester 5, and liquid liquid separation harvester
5 upper end outer surface is provided with liquid level tube 4, and a side external surface of liquid level tube 4 is provided with liquid level detection device 3, and liquid level tube 4
Upper end outer surface is provided with peristaltic pump 2, and the lower end outer surface of liquid liquid separation harvester 5 is provided with waste liquid valve 6, measures detection
The upper end outer surface of light supply apparatus 7 is provided with drain tap 8, and the lower end outer surface for measuring detection light supply apparatus 7 is provided with envelope
Valve closing door 9, interior cycle are internally provided with ammonia-free gas room 10, and the side appearance of ammonia-free gas room 10 without ammonia protective device 1
Face is provided with reagent storage room 11, and another side external surface of ammonia-free gas room 10 is provided with gas circulator 12, measures detection light
The luminescence unit that is internally provided with of source device 7 is protected from light housing 13, and luminescence unit is protected from light one end outer surface of housing 13 and is provided with
Deuterium lamp heat-sink unit 14, the upper end outer surface that luminescence unit is protected from light housing 13 are provided with 220nm wavelength lights luminescence unit 15, and send out
The lower end outer surface that light unit is protected from light housing 13 is provided with 275nm wavelength monochrome light emission unit 16, and luminescence unit is protected from light housing
The 13 220nm filter units 17 that are internally provided with converge unit 18, and luminescence unit is protected from light outside the other end of housing 13 with light splitting
Surface is provided with resolution unit and is protected from light housing 19, and one end outer surface that resolution unit is protected from light housing 19 is provided with absorption light detection list
Member 20, and that clears up that unit is protected from light housing 19 is internally provided with total nitrogen detection reaction vessel unit 21.
220nm filter units 17 are located at the side that light splitting converges unit 18, and light splitting converges unit 18 and is located at 275nm wavelength
The top of monochrome light emission unit 16；Conduit is provided between liquid liquid separation harvester 5 and measurement detection light supply apparatus 7, and
It is detected by one end outer surface of conduit with measuring outside the lower end of light supply apparatus 7 one end outer surface of liquid liquid separation harvester 5
Surface is fixedly connected；The upper end outer surface for measuring detection light supply apparatus 7 is provided with connecting tube, and drain tap 8 is located at connecting tube
One side external surface；The quantity of liquid level detection device 3 is two pairs, and two pairs of 3 specification sizes of liquid level detection device are identical, two pairs of liquid level inspections
Survey the both sides that device 3 is symmetrically distributed in liquid level tube 4；The lower end outer surface of liquid liquid separation harvester 5 is provided with drainage tube, waste liquid
Valve 6 is located at a side external surface of drainage tube.
It should be noted that the present invention is total nitrogen analysis measuring apparatus, in use, rotation and the custom program of peristaltic pump 2
Cooperation so that each reagent respectively by liquid liquid separation harvester 5 from interior cycle without being extracted in ammonia protective device 1, pass through
Liquid level tube 4 and liquid level detection device 3, after determining each reagent dosage respectively, then the rotation by peristaltic pump 2 and custom program
Cooperation reagent and water sample be put into measurement detection light supply apparatus 7 in, wait for chemical reaction after, pass through measurement detect light source
Device 7, detects absorbance, and customized program calculates water sample as a result, again by the rotation of peristaltic pump 2 and the cooperation of custom program
Liquid after reaction is excluded equipment by waste liquid valve 6, is constantly rotated by gas circulator 12 without ammonia
Air in body room 10 and reagent storage room 11 is constantly extracted, then is come out from 10 lower section of ammonia-free gas room, ammonia-free gas room
This difficult volatile acidic liquid of 10 lower section storages, gas remove ammonia by difficult volatile acidic liquid, regularly replace difficult volatilization
Property acidic liquid may be such that except ammonia effect is constant that reagent and water sample react in total nitrogen detection reaction vessel unit 7, pass through
Coordinate with custom program, open 220nm wavelength lights luminescence unit 15 and 275nm wavelength monochrome light emissions in specific time respectively
The power supply of unit 16 converges 18 light source of unit by light splitting and is emitted at same receiving unit absorption optical detecting unit 20,
Water sample data are calculated by custom program, pass through deuterium lamp heat-sink unit 14 so that deuterium lamp illuminator environment temperature declines, and passes through
220nm filter units 17 so that the light stability that 220nm wavelength lights luminescence unit 15 emits is kept away in 220nm wavelength
Exempt from the phenomenon that light source interference of light occur, it is more practical.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of total nitrogen analysis measuring apparatus, including interior cycle without ammonia protective device (1) with measuring detection light supply apparatus (7),
It is characterized in that：An interior side external surface of the cycle without ammonia protective device (1) is provided with liquid liquid separation harvester (5), and liquid
The upper end outer surface of body liquid separation harvester (5) is provided with liquid level tube (4), and a side external surface of the liquid level tube (4) is provided with
Liquid level detection device (3), and the upper end outer surface of liquid level tube (4) is provided with peristaltic pump (2), the liquid liquid separation harvester
(5) lower end outer surface is provided with waste liquid valve (6), and the upper end outer surface for measuring detection light supply apparatus (7) is provided with row
Air valve (8), and the lower end outer surface for measuring detection light supply apparatus (7) is provided with closing valve (9), the interior cycle is protected without ammonia
Protection unit (1) is internally provided with ammonia-free gas room (10), and a side external surface of ammonia-free gas room (10) is provided with reagent and deposits
Room (11) is put, another side external surface of the ammonia-free gas room (10) is provided with gas circulator (12), the measurement detection light
The luminescence unit that is internally provided with of source device (7) is protected from light housing (13), and luminescence unit is protected from light one end outer surface of housing (13)
Deuterium lamp heat-sink unit (14) is provided with, the upper end outer surface that the luminescence unit is protected from light housing (13) is provided with 220nm wavelength lights
Luminescence unit (15), and luminescence unit is protected from light the lower end outer surface of housing (13) and is provided with 275nm wavelength monochrome light emission units
(16), the luminescence unit is protected from light be internally provided with 220nm filter units (17) and the light splitting of housing (13) and converges unit (18),
And luminescence unit is protected from light the other end outer surface of housing (13) and is provided with resolution unit and is protected from light housing (19), the resolution unit is kept away
One end outer surface of bare hull body (19), which is provided with, absorbs optical detecting unit (20), and clears up unit and be protected from light the inside of housing (19) and set
It is equipped with total nitrogen detection reaction vessel unit (21).
2. total nitrogen analysis measuring apparatus according to claim 1, it is characterised in that：220nm filter units (17) position
Converge the side of unit (18), and light splitting converges unit (18) positioned at 275nm wavelength monochrome light emission unit (16) in light splitting
Top.
3. total nitrogen analysis measuring apparatus according to claim 1, it is characterised in that：The liquid liquid separation harvester (5)
Conduit is provided with, and one end outer surface of liquid liquid separation harvester (5) passes through conduit between measurement detection light supply apparatus (7)
One end outer surface with measure detection light supply apparatus (7) lower end outer surface be fixedly connected.
4. total nitrogen analysis measuring apparatus according to claim 1, it is characterised in that：It is described to measure detection light supply apparatus (7)
Upper end outer surface be provided with connecting tube, the drain tap (8) is positioned at a side external surface of connecting tube.
5. total nitrogen analysis measuring apparatus according to claim 1, it is characterised in that：The number of the liquid level detection device (3)
It is two pairs to measure, and two pairs of liquid level detection device (3) specification sizes are identical, and two pairs of liquid level detection devices (3) are symmetrically distributed in liquid level tube
(4) both sides.
6. total nitrogen analysis measuring apparatus according to claim 1, it is characterised in that：The liquid liquid separation harvester (5)
Lower end outer surface be provided with drainage tube, the waste liquid valve (6) is positioned at a side external surface of drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470091.5A CN108226075A (en) | 2017-12-29 | 2017-12-29 | A kind of total nitrogen analysis measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470091.5A CN108226075A (en) | 2017-12-29 | 2017-12-29 | A kind of total nitrogen analysis measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226075A true CN108226075A (en) | 2018-06-29 |
Family
ID=62645898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711470091.5A Pending CN108226075A (en) | 2017-12-29 | 2017-12-29 | A kind of total nitrogen analysis measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108226075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254103A (en) * | 2018-09-17 | 2019-01-22 | 江苏卓正环保科技有限公司 | A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction |
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| CN109254103A (en) * | 2018-09-17 | 2019-01-22 | 江苏卓正环保科技有限公司 | A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction |
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