CN109254103A - A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction - Google Patents
A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction Download PDFInfo
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- CN109254103A CN109254103A CN201811078742.0A CN201811078742A CN109254103A CN 109254103 A CN109254103 A CN 109254103A CN 201811078742 A CN201811078742 A CN 201811078742A CN 109254103 A CN109254103 A CN 109254103A
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- China
- Prior art keywords
- liquid
- reagent
- light source
- reagent solution
- total nitrogen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/74—Optical detectors
Abstract
The invention discloses a kind of total nitrogen analysis measuring devices rectified a deviation based on data acquisition with internal calculation, including power device, liquid liquid separation acquisition device and reagent solution reaction unit, power device is connected to liquid liquid separation acquisition device by liquid level tube, liquid liquid separation acquisition device is connected to reagent placing tank by more root canal roads, liquid liquid separation acquisition device is connected to reagent solution reaction unit by inlet tube, reagent solution reaction unit is equipped with exhaust pipe, liquid liquid separation acquisition device is equipped with drain pipe, structure of the invention principle is simple, can be improved detection accuracy.
Description
Technical field
The present invention relates to total nitrogen analysis technical field, specially a kind of total nitrogen based on data acquisition with internal calculation correction
Analyze measuring device.
Background technique
The practical water analysis of total nitrogen is to detect reaction product content using physical means after chemically reacting, then retrodict meter
Calculate total nitrogen content in water sample.Using ultraviolet specrophotometer at wavelength 220 nm and 275 nm, absorbance is measured respectively
A220 and A275 calculates calibration absorbance A according to formula A=A220-2A275, and total nitrogen content is directly proportional to calibration absorbance A, leads to
It crosses standard curve and calculates total nitrogen content in sample.Wavelength is that the light wave light source stability of 220 nm and 275 nm directly affects detection
As a result, and equipment practical lower circuit is unstable with energy of light source again, cause monitoring data deviation.
Summary of the invention
The purpose of the present invention is to provide it is a kind of based on data acquisition with internal calculation correction total nitrogen analysis measuring device,
To solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of rectified a deviation based on data acquisition with internal calculation
Total nitrogen analysis measuring device, including power device, liquid liquid separation acquisition device and reagent solution reaction unit, the power
Device uses peristaltic pump, and the power device is connected to liquid liquid separation acquisition device, the liquid liquid separation acquisition dress by liquid level tube
It sets and is connected to reagent placing tank by more root canal roads, the liquid liquid separation acquisition device is connected to reagent solution reaction dress by inlet tube
It sets, the reagent solution reaction unit is equipped with exhaust pipe, and the liquid liquid separation acquisition device is equipped with drain pipe；The feed liquor
Closing valve is installed on pipe, waste liquid valve is installed on the drain pipe, drain tap is installed on the exhaust pipe.
Preferably, the liquid level tube is equipped with high liquid level monitoring sensor and low liquid level monitors sensor.
Preferably, the reagent solution reaction unit is equipped with reaction monitoring and energy of light source control device；The reaction
Monitoring and energy of light source control device include visible light ultraviolet light source, and it is anti-that the light-exposed ultraviolet light source is mounted on reagent solution
It answers outside device, visible light chromatograph, the visible light chromatograph is installed on the reagent solution reaction unit
Host computer is connected by communication unit；The visible light ultraviolet light source right opposite also sets up reception light source.
Preferably, it is mounted on flow control valve on more root canal roads, the flow control valve includes valve body, the valve body
Both ends are connected separately with feed pipe and discharge nozzle, and the feed pipe and discharge nozzle are respectively communicated with the upper end and lower end of drainage conduit
Portion, the feed pipe are equipped with first flowmeter, and the discharge nozzle is equipped with second flowmeter, is equipped in the valve body and adjusts dress
It sets, the regulating device includes two groups of disk sealing components, and one group of disk sealing component is close to feed pipe, another group of disk sealing
Component includes pull rod and movable disc close to discharge nozzle, the disk sealing component, and one end of the pull rod is fixed on valve body
On end wall, the free end of the pull rod is movably connected in movable disc, and the movable disc passes through the bearing through its diameter
It is arranged radially in valve body, the diameter of the movable disc is adapted with the internal diameter of valve body.
Preferably, application method the following steps are included:
A, the cooperation of the rotation of power device and custom program, so that each reagent of reagent placing tank passes through pipeline respectively enters liquid
Liquid separation acquisition device；
B, sensor is monitored by liquid level tube and high liquid level monitoring sensor, low liquid level, after determining each reagent dosage respectively,
Reagent and water sample are put into reagent solution reaction unit by the rotation of power device and the cooperation of custom program again；
C, after waiting chemical reaction, by reaction monitoring and energy of light source control device, absorbance, customized program are detected
Calculate water sample result；
D, liquid after reaction is excluded by waste liquid valve by the rotation of power device and the cooperation of custom program again
Equipment.
Compared with prior art, the beneficial effects of the present invention are:
(1) structure of the invention principle is simple, can be improved detection accuracy；Wherein, reaction monitoring and energy of light source control device energy
Enough so that light source is in stabilized illumination state always in entire total nitrogen detection process, and measure single wavelength LED light, reduction is set
The interference of standby other light sources, stabilizing equipment do sample detection environment, further improve detection accuracy.
(2) flow control valve structure that the present invention uses is novel in design, is cooperated by two groups of disk sealing components, can
So that flow control is more accurate.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is inventive flow regulating valve structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: it is a kind of acquired based on data rectify a deviation with internal calculation it is total
Nitrogen analysis measuring device, including power device 1, liquid liquid separation acquisition device 2 and reagent solution reaction unit 3, the power dress
1 is set using peristaltic pump, the power device 1 is connected to liquid liquid separation acquisition device 2 by liquid level tube 4, and liquid level tube 4 is equipped with high liquid
Position monitoring sensor 13 and low liquid level monitor sensor 14；The liquid liquid separation acquisition device 2 is connected to reagent by more root canal roads 5
Placing tank 6, the liquid liquid separation acquisition device 2 are connected to reagent solution reaction unit 3 by inlet tube 7, and the reagent solution is anti-
Device 3 is answered to be equipped with exhaust pipe 8, the liquid liquid separation acquisition device 2 is equipped with drain pipe 9；Closing is installed on the inlet tube 7
Valve 10 installs waste liquid valve 11 on the drain pipe 9, installs drain tap 12 on the exhaust pipe 8.
In the present invention, reagent solution reaction unit 3 is equipped with reaction monitoring and energy of light source control device；The reaction prison
Surveying with energy of light source control device includes visible light ultraviolet light source 15, and it is molten that the visible light ultraviolet light source 15 is mounted on reagent
Outside liquid reaction unit 3, visible light chromatograph 16 is installed on the reagent solution reaction unit 3, it is described visible photochromic
Spectrum analysis instrument 16 connects host computer 18 by communication unit 17；15 right opposite of visible light ultraviolet light source also sets up reception light
Source 19.Reaction monitoring and energy of light source control device enable to light source in entire total nitrogen detection process to be in stabilized illumination always
State, and single wavelength LED light is measured, the interference of equipment other light sources is reduced, stabilizing equipment does sample detection environment, further
Improve detection accuracy.
In the present invention, flow control valve 20 is mounted on more root canal roads 5, the flow control valve 20 includes valve body 21,
The both ends of the valve body 21 are connected separately with feed pipe 22 and discharge nozzle 23, and the feed pipe 22 and discharge nozzle 23 are respectively communicated with pipe
The upper and lower end in road 5, the feed pipe 22 are equipped with first flowmeter 24, and the discharge nozzle 23 is equipped with second flow
Meter 25, the valve body 21 is interior to be equipped with regulating device, and the regulating device includes two groups of disk sealing components 26, one group of disk sealing
Component 26 is close to feed pipe 22, and for another group of disk sealing component 26 close to discharge nozzle 23, the disk sealing component 26 includes drawing
One end of bar 27 and movable disc 28, the pull rod 27 is fixed on the end wall of valve body 21, the free end activity of the pull rod 27
It is connected in movable disc 28, the movable disc 28 is arranged radially in valve body 21 by the bearing through its diameter, institute
The diameter for stating movable disc 28 is adapted with the internal diameter of valve body 21.The flow control valve structure that the present invention uses is novel in design, leads to
It crosses two groups of disk sealing components to cooperate, flow control can be made more accurate.
Working principle: application method of the invention the following steps are included:
A, the cooperation of the rotation of power device and custom program, so that each reagent of reagent placing tank passes through pipeline respectively enters liquid
Liquid separation acquisition device；
B, sensor is monitored by liquid level tube and high liquid level monitoring sensor, low liquid level, after determining each reagent dosage respectively,
Reagent and water sample are put into reagent solution reaction unit by the rotation of power device and the cooperation of custom program again；
C, after waiting chemical reaction, by reaction monitoring and energy of light source control device, absorbance, customized program are detected
Calculate water sample result；
D, liquid after reaction is excluded by waste liquid valve by the rotation of power device and the cooperation of custom program again
Equipment.
In addition, equipment can calculate control reaction monitoring and light when powering on every time by custom program in the present invention
The luminous energy value of source energy control apparatus, and compare by historical data and stable parameter ratio is calculated, so that reaction
Calculated curve smoothness is more accurate, and reaction monitoring and energy of light source control device acquisition energy of light source moment are same temperature point
Near position, generates light emitting control energy power supply and specifically controlled by interior customization PID.So that equipment makes in actual use
With stabilized light source luminous numerical value after number increase, keep data measured more accurate；In conclusion structure of the invention principle is simple,
It can be improved detection accuracy.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction, including power device (1), liquid
Liquid separation acquisition device (2) and reagent solution reaction unit (3), it is characterised in that: the power device (1) uses peristaltic pump, institute
Power device (1) is stated by liquid level tube (4) connection liquid liquid separation acquisition device (2), the liquid liquid separation acquisition device (2) passes through
More root canal roads (5) are connected to reagent placing tank (6), and the liquid liquid separation acquisition device (2) is connected to reagent solution by inlet tube (7)
Reaction unit (3), the reagent solution reaction unit (3) are equipped with exhaust pipe (8), on the liquid liquid separation acquisition device (2)
Equipped with drain pipe (9)；Closing valve (10) are installed on the inlet tube (7), waste liquid valve is installed on the drain pipe (9)
(11), drain tap (12) are installed on the exhaust pipe (8).
2. a kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction according to claim 1,
Be characterized in that: the liquid level tube (4) is equipped with high liquid level monitoring sensor (13) and low liquid level monitoring sensor (14).
3. a kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction according to claim 1,
Be characterized in that: the reagent solution reaction unit (3) is equipped with reaction monitoring and energy of light source control device；The reaction monitoring
It include visible light ultraviolet light source (15) with energy of light source control device, the visible light ultraviolet light source (15) is mounted on reagent
Solution reaction device (3) is external, is equipped with visible light chromatograph (16) on the reagent solution reaction unit (3), described
Visible light chromatograph (16) passes through communication unit (17) connection host computer (18)；The visible light ultraviolet light source (15) is just
Opposite, which is also set up, receives light source (19).
4. a kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction according to claim 1,
It being characterized in that: being mounted on flow control valve (20) on more root canal roads (5), the flow control valve (20) includes valve body (21),
The both ends of the valve body (21) are connected separately with feed pipe (22) and discharge nozzle (23), the feed pipe (22) and discharge nozzle (23)
It is respectively communicated with the upper and lower end of pipeline (5), the feed pipe (22) is equipped with first flowmeter (24), the discharge nozzle
(23) second flowmeter (25) are equipped with, regulating device is equipped in the valve body (21), the regulating device includes two groups of disks
Seal assembly (26), one group of disk sealing component (26) is close to feed pipe (22), and another group of disk sealing component (26) is close to out
Expects pipe (23), the disk sealing component (26) include pull rod (27) and movable disc (28), and one end of the pull rod (27) is solid
It is scheduled on the end wall of valve body (21), the free end of the pull rod (27) is movably connected on movable disc (28), the activity circle
Disk (28) is arranged radially in valve body (21) by the bearing through its diameter, the diameter and valve body of the movable disc (28)
(21) internal diameter is adapted.
5. realizing a kind of making for total nitrogen analysis measuring device rectified a deviation based on data acquisition with internal calculation described in claim 1
With method, it is characterised in that: its application method the following steps are included:
A, the cooperation of the rotation of power device and custom program, so that each reagent of reagent placing tank passes through pipeline respectively enters liquid
Liquid separation acquisition device；
B, sensor is monitored by liquid level tube and high liquid level monitoring sensor, low liquid level, after determining each reagent dosage respectively,
Reagent and water sample are put into reagent solution reaction unit by the rotation of power device and the cooperation of custom program again；
C, after waiting chemical reaction, by reaction monitoring and energy of light source control device, absorbance, customized program are detected
Calculate water sample result；
D, liquid after reaction is excluded by waste liquid valve by the rotation of power device and the cooperation of custom program again
Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078742.0A CN109254103A (en) | 2018-09-17 | 2018-09-17 | A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078742.0A CN109254103A (en) | 2018-09-17 | 2018-09-17 | A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction |
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| CN109254103A true CN109254103A (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811078742.0A Pending CN109254103A (en) | 2018-09-17 | 2018-09-17 | A kind of total nitrogen analysis measuring device based on data acquisition with internal calculation correction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384029A (en) * | 2021-12-20 | 2022-04-22 | 南京菘大仪表有限公司 | Hydrogen peroxide solution hydrogenation efficiency on-line measuring device |
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| CN102147373A (en) * | 2011-01-19 | 2011-08-10 | 重庆大学 | Multi-parameter water quality monitoring system based on micro-optical-electro-mechanical system (MOEMS) micro spectrometer |
| CN104914065A (en) * | 2015-06-05 | 2015-09-16 | 郝炜 | Sewage spectrum analyzer |
| CN105134968A (en) * | 2015-08-12 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Circular disc type flow speed control valve |
| CN108226075A (en) * | 2017-12-29 | 2018-06-29 | 江苏汇环环保科技有限公司 | A kind of total nitrogen analysis measuring apparatus |
| CN209167113U (en) * | 2018-09-17 | 2019-07-26 | 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 |
-
2018
- 2018-09-17 CN CN201811078742.0A patent/CN109254103A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147373A (en) * | 2011-01-19 | 2011-08-10 | 重庆大学 | Multi-parameter water quality monitoring system based on micro-optical-electro-mechanical system (MOEMS) micro spectrometer |
| CN104914065A (en) * | 2015-06-05 | 2015-09-16 | 郝炜 | Sewage spectrum analyzer |
| CN105134968A (en) * | 2015-08-12 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Circular disc type flow speed control valve |
| CN108226075A (en) * | 2017-12-29 | 2018-06-29 | 江苏汇环环保科技有限公司 | A kind of total nitrogen analysis measuring apparatus |
| CN209167113U (en) * | 2018-09-17 | 2019-07-26 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384029A (en) * | 2021-12-20 | 2022-04-22 | 南京菘大仪表有限公司 | Hydrogen peroxide solution hydrogenation efficiency on-line measuring device |
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Application publication date: 20190122 |