CN206020161U - Total nitrogen digestion instrument - Google Patents
Total nitrogen digestion instrument Download PDFInfo
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- CN206020161U CN206020161U CN201620939532.6U CN201620939532U CN206020161U CN 206020161 U CN206020161 U CN 206020161U CN 201620939532 U CN201620939532 U CN 201620939532U CN 206020161 U CN206020161 U CN 206020161U
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- total nitrogen
- coil
- conduit
- uviol lamp
- digestion instrument
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Abstract
A kind of total nitrogen digestion instrument, is connected to spectrogrph, wherein, including sampling device, heater and ultraviolet irradiation device;Sampling device includes threeway and is connected to the conduit of threeway, and conduit includes that the first coil and the second coil, conduit are sequentially connected to ultraviolet irradiation device and spectrogrph after heater;Heater is respectively equipped with heating rod, heat-conducting medium and sleeve pipe from inside to outside, and the first coil is sheathed on heat-conducting medium;Ultraviolet irradiation device includes uviol lamp and is sheathed on the protective cover of uviol lamp, and the second coil is sheathed between uviol lamp and protective cover.This device can carry out rapid-digestion to total nitrogen sample, it is also possible to which other samples that can be cleared up using heating and ultra-vioket radiation are quickly processed, and simple to operate, safety can effectively reduce digestion time, and energy saving has a extensive future.
Description
Technical field
This utility model is related to optic analytical instrument field, and in particular to a kind of total nitrogen digestion instrument.
Background technology
Metabolism and corrupt and industrial wastewater, the discharge of sanitary sewage, nitrogenous fertilizer of the nitrogen in water body essentially from organism
Loss etc..Nitrogen in sewage has 4 kinds of forms, i.e. organic nitrogen, ammonia nitrogen, cultured water (a small amount of) and nitrate nitrogen (nitrifying process
Final product), in typical sewage total nitrogen content be about 40 ~ 50 mg/L.There is excess nitrogen cause eutrophication in water body, make
Water quality deterioration, affects hydrobiological growth and breeding.Gas-phase molecular absorption spectrometry method is to detect one kind side of nitrogen content in water
Method, it is gas that the detection of gas-phase molecular absorption spectrometry method is needed tested conversion, is measured according to the difference of absorbing wavelength, one
As refer to for determining ammonia nitrogen, sulfide, kjeldahl nitrogen, total nitrogen, nitrate, nitrite, sulphite, chloride ion, permanganate
Number.For avoiding the interference of organic nitrogen in water, ammonia nitrogen, cultured water to water sample detection result, it is therefore desirable to by the nitridation in water body
Compound carries out clearing up and processes and be ultimately oxidized as nitrate nitrogen, facilitates water sample detection.Existing digestion procedure is entered using pressure cooker
Row is cleared up, and needs container is carried out wrapping sealing, cumbersome, time-consuming and higher to operation technique requirement, does not only reach pre-
Phase Detection results, also counteracts that the progress of research work.
Utility model content
This utility model provides a kind of total nitrogen digestion instrument, can carry out rapid-digestion, simple to operate, peace to total nitrogen sample
Entirely, digestion time effectively can be reduced, and energy saving, in order to solve defect caused by prior art.
This utility model provides following technical scheme for achieving the above object:A kind of total nitrogen digestion instrument, is connected to light
Spectrometer, wherein, including sampling device, heater and ultraviolet irradiation device;
The sampling device includes threeway and is connected to the conduit of the threeway, the conduit include the first coil with
Second coil, the conduit are connected to the spectrogrph;
The heater is respectively equipped with heating rod, heat-conducting medium and sleeve pipe, the first snakelike pipe box from inside to outside
It is located at the heat-conducting medium;
The ultraviolet irradiation device includes uviol lamp and is sheathed on the protective cover of the uviol lamp, second coil
It is sheathed between the uviol lamp and the protective cover.
Above-mentioned total nitrogen digestion instrument, wherein, the conduit two ends are connected to the spectrogrph injection port.
Above-mentioned total nitrogen digestion instrument, wherein, the heating rod is heated at constant temperature rod.
Above-mentioned total nitrogen digestion instrument, wherein, described sleeve pipe is metal canula.
Above-mentioned total nitrogen digestion instrument, wherein, the wave-length coverage of the uviol lamp is 200 nanometers~220 nanometers.
According to the technical scheme effect of this utility model total nitrogen digestion instrument it is:Total nitrogen sample can quickly be disappeared
Solution, it is also possible to other samples that can be cleared up using heating and ultra-vioket radiation are quickly processed, simple to operate, safety, energy
Enough effectively minimizing digestion times, energy saving.
Description of the drawings
Structural representations of the Fig. 1 for this utility model total nitrogen digestion instrument.
Reference number:Sampling device 1, heater 2, ultraviolet irradiation device 3, threeway 4, conduit 5, the first coil 6,
Two coils 7, heating rod 8, heat-conducting medium 9, sleeve pipe 10, uviol lamp 11, protective cover 12.
Specific 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 this utility model is expanded on further.
A preferred embodiment of the present utility model is to provide total nitrogen digestion instrument, it is therefore an objective to total nitrogen sample can be carried out soon
Speed is cleared up, simple to operate, safety, reduces the waste of the energy.
As shown in figure 1, a kind of total nitrogen digestion instrument, is connected to spectrogrph, wherein, including sampling device 1, heater 2
And ultraviolet irradiation device 3;Sampling device 1 includes threeway 4 and is connected to the conduit 5 of threeway 4, and conduit 5 includes that first is snakelike
Pipe 6 and the second coil 7, conduit 5 are connected to spectrogrph;Heater 2 is respectively equipped with heating rod 8, heat-conducting medium 9 from inside to outside
And sleeve pipe 10, the first coil 6 is sheathed on heat-conducting medium 9;Ultraviolet irradiation device 3 includes uviol lamp 11 and is sheathed on ultraviolet
The protective cover 12 of lamp 11, the second coil 7 are sheathed between uviol lamp 11 and protective cover 12.
The total nitrogen digestion instrument that the present embodiment is provided is based on using the total of Gas-phase Molecular Absorption Spectrometry water sample
During nitrogen, need first to carry out the ammonia in total nitrogen water sample, ammonium salt, nitrite and most of organonitrogen compound by digestion solution
Clear up after being oxidized into nitrate nitrogen, the principle is measured by the gas-phase molecular absorption spectrometry method of nitrate nitrogen, which operated
Journey is as follows:
Water sample is added to conduit 5 from two imports of threeway 4 simultaneously with digestion solution, water sample is with digestion solution in conduit 5
Heater 2 is mixed and fed into, mixed solution of 8 heated at constant temperature of heating rod to water sample with digestion solution is heated, and makes mixing
Potassium peroxydisulfate decomposition, the ammonia aoxidized in water sample to be cleared up, ammonium salt, nitrite and most of organic nitrification in solution
Thing, the water sample after being heated enter into ultraviolet irradiation device 3 with digestion solution mixed solution, and uviol lamp 11 is to water sample and digestion solution
Mixed solution is irradiated, and quickly clears up water sample with digestion solution mixed solution, the water sample irradiated by uviol lamp 11
Gas phase molecular absorption spectrometer is entered into digestion solution mixed solution to be analyzed.
5 two ends of conduit of the total nitrogen digestion instrument that the present embodiment is provided are connected with the injection port of spectrogrph, and sample passes through
Sampling device enters spectrogrph with conduit 5, ensure that sample is rapidly introduced in spectrogrph after clearing up and is detected, prevents
Stablizing for sample is had influence on because of ambient temperature, it is ensured that the accuracy of data.
The heating rod 8 of the total nitrogen digestion instrument that the present embodiment is provided is heated at constant temperature rod, and heated at constant temperature rod is electrically connected to purple
External exposure device, heated at constant temperature rod ensure that the water sample to clearing up in digestion process provides an equilibrium temperature environment, permanent
The heat-conducting medium 9 being arranged outside warm heating rod ensure that 6 thermally equivalent of the first coil, it is ensured that clears up and changes with highest
Rate.
The wave-length coverage of the uviol lamp 11 of the total nitrogen digestion instrument that the present embodiment is provided is 200 nanometers~220 nanometers, can
Quickly sample is cleared up, the protective cover 12 of uviol lamp 11 can isolate ultraviolet light and corrosive gas etc., it is ensured that ultraviolet
The work efficiency of lamp 11 and not being corroded property gas are invaded and harassed, while protective cover 12 can support uviol lamp 11.
The sleeve pipe 10 that the total nitrogen digestion instrument that the present embodiment is provided is adopted is for metal canula, it is possible to increase the effect of reagent preheating
Rate, and ensure that heater 2 is not damaged by extraneous factor with conduit 5.
To sum up, total nitrogen digestion instrument of the present utility model, can carry out rapid-digestion to total nitrogen sample, it is also possible to other
The sample that can be cleared up using heating and ultra-vioket radiation is quickly processed, simple to operate, safety, can effectively be reduced and be cleared up
Time, energy saving.
Above the specific embodiment of utility model is described.It is to be appreciated that utility model is not limited to
Above-mentioned particular implementation, the equipment and structure wherein 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 can make various modifications within the scope of the claims or modification is made and some simply being pushed away
Drill, deform or replace, this has no effect on the flesh and blood of utility model.
Claims (5)
1. a kind of total nitrogen digestion instrument, is connected to spectrogrph, it is characterised in that including sampling device, heater and ultraviolet
Irradiation unit;
The sampling device includes threeway and is connected to the conduit of the threeway, and the conduit includes the first coil and second
Coil, the conduit are connected to the spectrogrph;
The heater is respectively equipped with heating rod, heat-conducting medium and sleeve pipe from inside to outside, and first coil is sheathed on
The heat-conducting medium;
The ultraviolet irradiation device includes uviol lamp and is sheathed on the protective cover of the uviol lamp, and second coil is arranged
Between the uviol lamp and the protective cover.
2. total nitrogen digestion instrument as claimed in claim 1, it is characterised in that the conduit two ends are connected to the spectrum
Instrument injection port.
3. total nitrogen digestion instrument as claimed in claim 1, it is characterised in that the heating rod is heated at constant temperature rod.
4. total nitrogen digestion instrument as claimed in claim 1, it is characterised in that described sleeve pipe is metal canula.
5. total nitrogen digestion instrument as claimed in claim 1, it is characterised in that the wave-length coverage of the uviol lamp is 200 nanometers
~220 nanometers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620939532.6U CN206020161U (en) | 2016-08-25 | 2016-08-25 | Total nitrogen digestion instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620939532.6U CN206020161U (en) | 2016-08-25 | 2016-08-25 | Total nitrogen digestion instrument |
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Publication Number | Publication Date |
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CN206020161U true CN206020161U (en) | 2017-03-15 |
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CN201620939532.6U Active CN206020161U (en) | 2016-08-25 | 2016-08-25 | Total nitrogen digestion instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108911320A (en) * | 2018-06-06 | 2018-11-30 | 东南大学 | A kind of nitrite decomposing processor and method |
CN109580324A (en) * | 2018-11-07 | 2019-04-05 | 河南吉普马斯环境科技有限公司 | Digestion device with redundancy function of temperature control |
CN112903414A (en) * | 2021-02-08 | 2021-06-04 | 杭州帆昂环保科技有限公司 | Multi-parameter automatic water quality analysis method and system |
-
2016
- 2016-08-25 CN CN201620939532.6U patent/CN206020161U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108911320A (en) * | 2018-06-06 | 2018-11-30 | 东南大学 | A kind of nitrite decomposing processor and method |
CN109580324A (en) * | 2018-11-07 | 2019-04-05 | 河南吉普马斯环境科技有限公司 | Digestion device with redundancy function of temperature control |
CN112903414A (en) * | 2021-02-08 | 2021-06-04 | 杭州帆昂环保科技有限公司 | Multi-parameter automatic water quality analysis method and system |
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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. |