CN205581005U - A chemical analyser pipe -line system that flows for assembling nitrogen assay - Google Patents
A chemical analyser pipe -line system that flows for assembling nitrogen assay Download PDFInfo
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- CN205581005U CN205581005U CN201620393260.4U CN201620393260U CN205581005U CN 205581005 U CN205581005 U CN 205581005U CN 201620393260 U CN201620393260 U CN 201620393260U CN 205581005 U CN205581005 U CN 205581005U
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Abstract
The utility model relates to a chemical analyser pipe -line system that flows for assembling nitrogen assay, it includes the sample pipeline, dilute the pipeline, filter the pipeline, buffering pipeline and color development pipeline, sample pipeline and the import of diluting the first hybrid tube of pipeline intercommunication, the first layer import of the export intercommunication cerini dialyser cerini of first hybrid tube, the first layer export of cerini dialyser cerini is through sample dialysis sewer pipe and first three -way pipe intercommunication waste liquid groove, filter the second floor import of pipeline intercommunication cerini dialyser cerini, the second floor export of cerini dialyser cerini and the import of buffer tube way intercommunication second hybrid tube, the export of second hybrid tube and the import of color development pipeline intercommunication third hybrid tube, the import of the mobile colorimetric pool of export intercommunication of third hybrid tube, reaction product sewer pipe and second three -way pipe intercommunication waste liquid groove are passed through in the export of mobile colorimetric pool, first three -way pipe and second three -way pipe all communicate prevents the crystallization pipeline. The utility model discloses can prevent to produce the infusibility crystallization and block the sewer pipe, being convenient for, total nitrogen assay is experimental continuously to go on.
Description
Technical field
This utility model relates to determinator, especially with regard to a kind of stream measured for total nitrogen content
Dynamic chemical analyzer pipe-line system.
Background technology
Total nitrogen content measures classical method mainly two classes: one is employing titrimetry measurement after digestion,
One is employing air heat inducing defecation by enema and suppository measurement after burning, and it represents method is Kjeldahl method and Dumas method.Cigarette
In grass industry, institute's accepted standard method is improved from Kjeldahl method is continuous flow method, and the method is according to row
Industry standard YC/T161-2002 " the mensuration continuous flow method of Nicotiana tabacum L. and tobacco product total nitrogen ", its
Principle approximates with Kjeldahl's method, uses digestion catalysis method that itrogenous organic substance is converted into ammonium salt (sulfur
Acid ammonium) it is retained in Digestive system, use Flow Analyzer to be reacted with colour reagent by Digestive system subsequently,
The absorbance measuring product realizes the mensuration of total nitrogen.
It is noted that industry standard YC/T161-2002 is while specification detection method, also
Recommend a kind of specification is applicable to the continuous Flow Meter pipeline mould that tobacco product total nitrogen content measures
Block.This ducting module there is problems in that in process of the test
1, easily produce insoluble crystallization and block sewer pipe, affect total nitrogen content determination test
Carry out.
2, peristaltic pump tube and reaction are relatively big with the caliber of thread mixing pipe, wherein sodium chloride/sulphuric acid water
The flow of solution is even up to 1.4ml/min；The big flow in extra heavy pipe footpath is in use: 1) reagent
Consumption is big, wastes more；2) test kit finite capacity in instrument, causes single batch to detect
Sample size less；3) waste liquid is more, considers that liquid waste processing work is negative from laboratory safety angle
Carry on a shoulder pole heavier；4) unstable factor that big flow and less mixing tube cause causes absorbance to fluctuate relatively
Greatly, sample detection collimation and accuracy need to be improved further.
3, the number of turn of glass screw mixing tube is less, and each mixing all uses the thread mixing pipe of 5 circles.
Utility model content
The purpose of this utility model is to propose a kind of flowing chemical analysis measured for total nitrogen content
Instrument pipe-line system, it is prevented from insoluble crystallization and blocks sewer pipe.
For achieving the above object, this utility model provides a kind of stream measured for total nitrogen content
Dynamic chemical analyzer pipe-line system, it includes sample inlet, dilution pipeline, filter pipeline, delays
Washing pipe road and develop the color pipeline, described sample inlet and described dilution pipeline connection the first mixing tube
Import, the ground floor import of the outlet dialyser of described first mixing tube, described dialyser
Ground floor outlet by sample dialysis sewer pipe and the first tee T connection waste liquid tank, described mistake
The second layer import of dialyser described in filter pipeline connection, the second layer outlet of described dialyser and institute
State the import of buffering pipeline connection the second mixing tube, the outlet of described second mixing tube and described aobvious
The import of color pipeline connection the 3rd mixing tube, the outlet flowing colorimetric of described 3rd mixing tube
The import in pond, the outlet of described flow colorimetric pond is by product sewer pipe and the second tee T
Connection waste liquid tank；Described sample dialysis sewer pipe is prevented also by described first tee T connection first
Crystallization pipeline, described product sewer pipe connects the second anti-caking also by described second tee T
Brilliant pipeline.
One preferably or in alternative embodiment, described sample inlet, dilution pipeline, filter pipeline,
Buffering pipeline and colour developing pipeline all include the peristaltic pump tube connected at entrance, each described peristaltic pump
The caliber of pipe reduces 20%～60% both with respect to standard pipe size.
One preferably or in alternative embodiment, described sample inlet, dilution pipeline, filter pipeline,
Buffering pipeline and colour developing pipeline also include the connecting line connecting described peristaltic pump tube, each described
The caliber of connecting line reduces 40%～70% both with respect to standard pipe size.
One, preferably or in alternative embodiment, described dilution pipeline includes two pipelines, and one is
Being passed through the pipeline of air, another is the pipeline being passed through solvent.
One, preferably or in alternative embodiment, described filter pipeline includes two pipelines, and one is
Being passed through the pipeline of air, another is the pipeline being passed through solvent.
One, preferably or in alternative embodiment, described colour developing pipeline includes two pipelines, and one is
Being passed through the pipeline of developer, another is the pipeline being passed through oxidising agent, is passed through the pipe of developer
Road connects the outlet of described second mixing tube and entering of described 3rd mixing tube by the 3rd tee T
Pipeline between Kou, the pipeline being passed through oxidising agent is mixed by the 4th tee T connection described second
Close the pipeline between outlet and the import of described 3rd mixing tube of pipe, and described 4th tee T
It is positioned at the downstream of described 3rd tee T.
One preferably or in alternative embodiment, described 3rd tee T and described 4th tee T it
Between pipeline be provided with the 4th mixing tube.
One preferably or in alternative embodiment, described 4th tee T and described 3rd mixing tube it
Between pipeline be additionally provided with reacting by heating groove.
One preferably or in alternative embodiment, described first crystallization-preventive pipeline and described second anti-caking
Brilliant pipeline is the pipeline being passed through sodium hydrate aqueous solution.
One, preferably or in alternative embodiment, described first mixing tube is that the glass screw of 5 circles mixes
Closing pipe, described second mixing tube is the glass screw mixing tube of 10 circles, and described 3rd mixing tube is 10
The glass screw mixing tube of circle.
One, preferably or in alternative embodiment, described 4th mixing tube is that the glass screw of 10 circles mixes
Close pipe.
Based on technique scheme, this utility model at least has the advantages that
The flowing chemical analyzer pipe-line system measured for total nitrogen content that this utility model provides,
Sample dialysis sewer pipe all connects crystallization-preventive pipeline, anti-caking by tee T with product sewer pipe
It is passed through crystallization-preventive solution, it is possible to prevent that insoluble crystallization blocks sewer pipe in brilliant pipeline,
It is easy to total nitrogen content determination test persistently carry out.
The flowing chemical analyzer pipe-line system for total nitrogen content mensuration that this utility model provides is fitted
For universal Flow Analyzer, it is particularly useful for realizing total nitrogen content in Nicotiana tabacum L. and tobacco product
Mensuration.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes this
A part for application, schematic description and description of the present utility model is used for explaining this practicality
Novel, it is not intended that improper restriction of the present utility model.In the accompanying drawings:
The flowing chemical analyzer pipeline measured for total nitrogen content that Fig. 1 provides for this utility model
The schematic diagram of system；
The interface connection diagram of the dialyser that Fig. 2 provides for this utility model.
Label in accompanying drawing:
1-sample inlet；
2-dilutes pipeline；201-is passed through the pipeline of air；202-is passed through the pipeline of solvent (preferably
Solvent is sodium chloride and sulphuric acid mixed aqueous solution)；
3-filter pipeline；301-is passed through the pipeline of air；302-is passed through the pipeline of solvent (preferably
Solvent is sodium chloride and sulphuric acid mixed aqueous solution)；
(preferred buffer is sodium potassium tartrate tetrahydrate, disodium hydrogen phosphate, hydroxide to 4-buffering pipeline
Sodium mixed aqueous solution)；
5-develops the color pipeline；501-is passed through the pipeline of developer, and (preferred developer is bigcatkin willow sour water
Solution or sodium nitroprusside aqueous solution)；502-is passed through the pipeline of oxidising agent (preferably
Reagent is sodium dichloro cyanurate aqueous solution or aqueous sodium hypochlorite solution)；
6-the first mixing tube；
7-dialyser；701-ground floor import；702-ground floor exports；703-second layer import；
The 704-second layer exports；
8-the first tee T；9-waste liquid tank；10-the second mixing tube；11-the 3rd mixing tube；12-
Flow colorimetric pond；13-the second tee T；14-the first crystallization-preventive pipeline；15-the second crystallization-preventive pipe
Road；16-the 3rd tee T；17-the 4th tee T；18-the 4th mixing tube；19-reacting by heating groove；
20,21,22,23,24-glass three-way pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in embodiment is entered
Row clearly and completely describes.Obviously, described embodiment is only one of the present utility model
Divide embodiment rather than whole embodiments.Based on embodiment of the present utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ",
Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only
It is for the ease of describing this utility model and simplifying description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as the restriction to this utility model protection domain.
As it is shown in figure 1, the liquidation credit measured for total nitrogen content provided for this utility model
The illustrative examples of analyzer pipe-line system, in this illustrative examples, surveys for total nitrogen content
Fixed flowing chemical analyzer pipe-line system includes sample inlet 1, dilution pipeline 2, filter pipeline
(flowing phase pipeline) 3, buffering pipeline 4 and colour developing pipeline 5.Wherein, logical in sample inlet 1
The sample solution for needing to measure total nitrogen content entered；Be passed through in dilution pipeline 2 is molten for dilution
Liquid, for being diluted sample solution；Be passed through in filter pipeline 3 for filtering solution, use
In in dialyser 7, sample solution being filtered；Be passed through in buffering pipeline 4 is molten for buffering
Liquid, for being adjusted pH value to the sample solution after filtering；Lead in colour developing pipeline 5
Enter for developer, developer is for reacting with sample solution, it is simple at flow colorimetric pond
Measure the absorbance of product in 12, and then realize the mensuration to sample solution total nitrogen content.
As in figure 2 it is shown, dialyser 7 includes ground floor and the second layer.Wherein, ground floor includes
Ground floor import 701, ground floor outlet 702, second layer import 703 and second layer outlet 704.
Dialyser 7 can use thin film dialyser, and dialyzer is 6 inches of films (152mm).
As it is shown in figure 1, sample inlet 1 is divided into two, one connects first with dilution pipeline 2
The import of mixing tube 6, another connects waste liquid tank 9.The outlet of the first mixing tube 6 is saturating
The ground floor import 701 of parser 7, the ground floor outlet 702 of dialyser 7 is dialysed by sample
Sewer pipe and the first tee T 8 connect waste liquid tank 9；Filter pipeline 3 connects the of dialyser 7
Two layers of import 703, the second layer outlet 704 of dialyser 7 connects second with separator tube road 4 and mixes
Closing the import of pipe 10, the outlet of the second mixing tube 10 connects the 3rd mixing tube with colour developing pipeline 5
The import of 11, the import of the outlet flow colorimetric pond 12 of the 3rd mixing tube 11, flowing ratio
The outlet in color pond 12 connects waste liquid tank 9 by product sewer pipe and the second tee T 13；Sample
Product dialysis sewer pipe connects the first crystallization-preventive pipeline 14, product also by the first tee T 8
Sewer pipe connects the second crystallization-preventive pipeline 15 also by the second tee T 13.First crystallization-preventive pipeline
It is passed through crystallization-preventive solution in 14 and enters sample dialysis sewer pipe, be passed through in the second crystallization-preventive pipeline 15
Crystallization-preventive solution enters product sewer pipe, is used for preventing that insoluble crystallization blocks
Sewer pipe, it is simple to total nitrogen content determination test is persistently carried out.
In the various embodiments described above, dilution pipeline 2 can include two pipelines, and one can be logical
Entering the pipeline 201 of air, another can be the pipeline 202 being passed through solvent, and preferred solvent is
Sodium chloride and sulphuric acid mixed aqueous solution.
In the various embodiments described above, filter pipeline 3 can include two pipelines, and one can be logical
Entering the pipeline 301 of air, another can be the pipeline 302 being passed through solvent, and preferred solvent is
Sodium chloride and sulphuric acid mixed aqueous solution.
In the various embodiments described above, the buffer being passed through in buffering pipeline 4 is preferably Soluble tartar.
Sodium, disodium hydrogen phosphate, sodium hydroxide mixed aqueous solution.
In the various embodiments described above, colour developing pipeline 5 can include two pipelines, and one can be logical
Entering the pipeline 501 of developer, preferred developer is aqueous solution of salicylic acid or nitroso-group ferrum cyaniding
Sodium water solution, another can be the pipeline 502 being passed through oxidising agent, preferred oxidising agent
For sodium dichloro cyanurate aqueous solution or aqueous sodium hypochlorite solution.Wherein, the pipe of developer it is passed through
Road 501 connects outlet and the 3rd mixing tube 11 of the second mixing tube 10 by the 3rd tee T 16
Import between pipeline, the pipeline 502 being passed through oxidising agent is connected by the 4th tee T 17
Pipeline between outlet and the import of the 3rd mixing tube 11 of the second mixing tube 10, and the four or three
Siphunculus 17 is positioned at the downstream (along solution flow direction) of the 3rd tee T 16.
In above-described embodiment, the pipeline between the 3rd tee T 16 and the 4th tee T 17 is permissible
It is provided with the 4th mixing tube 18.And the pipeline between the 4th tee T 17 and the 3rd mixing tube 11
It is also provided with reacting by heating groove 19.
In the various embodiments described above, the first crystallization-preventive pipeline 14 and the second crystallization-preventive pipeline 15
Think the pipeline being passed through sodium hydrate aqueous solution, the sodium hydrate aqueous solution being passed through and pipe-line system
In acid solution reaction, prevent insoluble crystallization, it is possible to keep waste-solution line lead to
Freely.
In the various embodiments described above, the glass screw mixing tube of the first mixing tube 6 preferably 5 circles；
The glass screw mixing tube of the second mixing tube 10 preferably 10 circles；3rd mixing tube 11 is preferred
It it is the glass screw mixing tube of 10 circles；The glass screw of the 4th mixing tube 18 preferably 10 circles
Mixing tube.Above-mentioned employing multiturn glass screw mixing tube, it is possible to be easy to solution and fully carry out mixing instead
Should.
In the various embodiments described above, reacting by heating groove 19 preferably includes 20 circle helical heating pipes,
Heating full and uniform, the temperature of reacting by heating groove 19 controls at 37 degrees centigrade.
In the various embodiments described above, sample inlet 1, dilution pipeline 2, filter pipeline 3, separator tube
Road 4 and colour developing pipeline 5 all include peristaltic pump tube and connecting line, and wherein, peristaltic pump tube is positioned at
The porch of pipe-line system, its connection peristaltic pump and connecting line, and the caliber of peristaltic pump tube is equal
Reducing 20%～60% relative to standard pipe size, the caliber of connecting line is both with respect to standard pipe size
Reduce 40%～70%.
Wherein, standard pipe size refers to according to industry standard YC/T161-2002 " Nicotiana tabacum L. and Nicotiana tabacum L. system
The mensuration continuous flow method of product total nitrogen " in corresponding caliber.This utility model arrange relative to
The ducting module that the caliber of standard pipe-line system reduces, it is possible to solution reagent consumption, flowed fluctuation,
The problems such as mixing homogeneity, it is more practical and necessary for using angle to consider from laboratory.
While reducing pipeline diameter, it is prevented from the resistance of insoluble crystallization to this utility model
Plug sewer pipe.
In the various embodiments described above, flow colorimetric pond 12 is 2.0mm*15mm flow cell, uses
660nm optical filter.
In sum, this utility model, by increase and decrease pipeline, reduces caliber, changes connected mode etc.,
Have that reagent in experimentation is not wasted, experimental period shortens, reaction is more complete, single batch sample
The advantages such as product examine quantitation increase.
The flowing chemical analyzer pipe that for total nitrogen content measure that this utility model provide is set forth below
One specific embodiment of road system, in this specific embodiment, sample inlet 1, dilution pipeline 2,
Filter pipeline 3, buffering pipeline 4 and colour developing pipeline 5 all include the peristaltic pump connected at entrance
Pipe and the connecting line of connection peristaltic pump tube, wherein, peristaltic pump tube connects peristaltic pump, and uses breast
Glue material peristaltic pump tube, internal diameter is 0.015～0.073 inch, connecting line for PE material
Plastic pipe, internal diameter is 0.034 inch and 0.015 inch, and tee T is glass three-way pipe, and internal diameter is
0.034 inch, mixing tube is glass screw mixing tube, and internal diameter is 0.034 inch, and dialyser 7 is
Thin film dialyser 7, reacting by heating groove 19 is 37 degrees Centigrade reactive tanks.
The sample cell of PE material connects the first interface of glass three-way pipe 24, from glass three-way pipe 24
The second interface and the 3rd interface be divided into two-way, wherein, the second interface of glass three-way pipe 24 is with big
The peristaltic pump tube (226ul/min) of flow connects, after be passed directly into waste liquid tank；Glass three-way pipe 24
The 3rd interface be connected with the peristaltic pump tube (118ul/min) of low discharge, by PE material 0.015
Inch low discharge plastic pipe is connected with the first interface of glass three-way 21.Air and sodium chloride-sulphuric acid
Aqueous solution is respectively by peristaltic pump tube (being passed through the pipeline 201 of air) and the 385ul/min of 166ul/min
Peristaltic pump tube (being passed through the pipeline 202 of solvent, preferred solvent is sodium chloride and sulphuric acid mixing water
Solution) pump into system, after the corresponding first interface passing through glass three-way pipe 20 and the second interface mix
It is connected with the second interface of glass three-way pipe 21 through the 3rd interface of glass three-way pipe 20.Through glass
Flow out, through 5 circles from the 3rd interface of glass three-way pipe 21 after glass tee T 21 mixing
Glass screw mixing tube (the first mixing tube 6) mix after with the ground floor import of dialyser 7
701 connect, and after dialysis, sample waste is exported 702 by the ground floor of dialyser 7 and passes to waste liquid tank.
Furtherly, additionally two-way air and sodium chloride-aqueous sulfuric acid respectively by 166ul/min's
Peristaltic pump tube (being passed through the pipeline 301 of air) and the peristaltic pump tube of 482ul/min (are passed through solvent
Pipeline 302, preferred solvent is sodium chloride and sulphuric acid mixed aqueous solution) pump into system, corresponding
Through the of glass three-way pipe 23 after being mixed by the first interface of glass three-way pipe 23 and the second interface
Three interfaces are connected with the second layer import 703 of dialyser 7.Through purification sample mix solution by
Second layer outlet 704 outflow of dialyser 7, by the plastic pipe of PE material 0.034 inch inner diameter
It is connected with the first interface of glass three-way pipe 22.
Buffer solution pumps into system by the peristaltic pump tube (buffering pipeline 4) of 226ul/min, connects
The second interface to glass three-way pipe 22 mixes with sample solution after purification, and mixed liquor is through glass three-way
3rd interface of pipe 22 flows out, and is connected to glass screw mixing tube (second mixing of 10 circles
Pipe 10) mix.By the solution of thread mixing pipe mix homogeneously through PE material 0.034 English
The plastic pipe of very little internal diameter is connected to the first interface of glass three-way pipe 16.
The aqueous solution of salicylic acid peristaltic pump tube (being passed through the pipeline 501 of developer) by 166ul/min
Pumping into system, the second interface being connected to glass three-way pipe 16 mixes with sample solution, through glass three
3rd interface of siphunculus 16 flows out, and is then connected to the glass screw mixing tube the (the 4th of 10 circles
Mixing tube 18) mix.By the solution of thread mixing pipe mix homogeneously through PE material 0.034
The plastic pipe of inch inner diameter is connected to the first interface of glass three-way pipe 17.
Sodium dichloro cyanurate aqueous solution (is passed through oxidising agent by the peristaltic pump tube of 74ul/min
Pipeline 502) pump into system, the second interface being connected to glass three-way pipe 17 mixes with sample solution,
Through the 3rd interface outflow of glass three-way pipe 17, it is then connected to one and has 20 circle heating coil
Reacting by heating groove 19 (pipe) carry out mix chromogenic reaction, the temperature of reacting by heating groove 19 (pipe)
Control at 37 degrees Celsius.Heated reactive tank 19 (pipe) reacted mixing nitrite ion passes through one
With flow colorimetric pond 12 (inspection after 10 circle glass screw mixing tube (the 3rd mixing tube 11) mix homogeneously
Survey module) connect, after testing after waste liquid be passed through waste liquid tank 9.
In sum, this utility model is for preventing product from producing insoluble knot in acid condition
Partial crystallization goes out to block sewer pipe, therefore, adds two sodium hydrate aqueous solution pipelines, through 947ul/min
Peristaltic pump tube pump into system after, saturating with sample respectively through the first tee T 8 and the second tee T 13
Analysis sewer pipe and product sewer pipe connect mixing, then by waste liquid by the first tee T 8 and second
Tee T 13 is derived to waste liquid tank；Caliber is reduced further, it is achieved pipe with small pipe diameter relative to standard pipe size
The purpose of low discharge.
This utility model has flow velocity and does not steadily quickly block, and caliber is less (compares tradition milliliter level
The flow line module of flow), detection is the shortest, and reagent consumption is few, and accuracy of detection is high,
The outstanding features such as single detection sample size is big, economic and environment-friendly.
In description of the present utility model, it is to be understood that use " first ", " second ", " the
Three " etc. word limits parts, it is only for be easy to distinguish above-mentioned parts, as
Stated otherwise, above-mentioned word is not had not to have particular meaning, therefore it is not intended that to this practicality
The restriction of novel protected scope.
Finally should be noted that: above example is only in order to illustrate technical side of the present utility model
Case is not intended to limit；Although this utility model having been carried out specifically with reference to preferred embodiment
Bright, those of ordinary skill in the field are it is understood that still can be to tool of the present utility model
Body embodiment is modified or portion of techniques feature is carried out equivalent；Without deviating from this
The spirit of utility model technical scheme, it all should contain the technology being claimed at this utility model
In the middle of aspects.
Claims (11)
1. the flowing chemical analyzer pipe-line system measured for total nitrogen content, it is characterised in that:
Including sample inlet (1), dilution pipeline (2), filter pipeline (3), buffering pipeline (4)
With colour developing pipeline (5), described sample inlet (1) connects first with described dilution pipeline (2)
The import of mixing tube (6), the outlet dialyser (7) of described first mixing tube (6)
Ground floor import (701), ground floor outlet (702) of described dialyser (7) passes through sample
Dialysis sewer pipe and the first tee T (8) connection waste liquid tank (9), described filter pipeline (3)
Connect the second layer import (703) of described dialyser (7), the second of described dialyser (7)
Layer outlet (704) connects the import of the second mixing tube (10) with described buffering pipeline (4),
The outlet of described second mixing tube (10) connects the 3rd mixing tube (11) with described colour developing pipeline (5)
Import, the import of the outlet flow colorimetric pond (12) of described 3rd mixing tube (11),
The outlet of described flow colorimetric pond (12) is by product sewer pipe and the second tee T (13)
Connection waste liquid tank (9)；Described sample dialysis sewer pipe is also by described first tee T (8)
Connecting the first crystallization-preventive pipeline (14), described product sewer pipe is also by the described 2nd 3
Siphunculus (13) connects the second crystallization-preventive pipeline (15).
2. the flowing chemical analyzer pipeline measured for total nitrogen content as claimed in claim 1
System, it is characterised in that: described sample inlet (1), dilution pipeline (2), filter pipeline
(3), buffering pipeline (4) and colour developing pipeline (5) all include the peristaltic pump connected at entrance
Pipe, the caliber of each described peristaltic pump tube reduces 20%～60% both with respect to standard pipe size.
3. the flowing chemical analyzer pipeline measured for total nitrogen content as claimed in claim 2
System, it is characterised in that: described sample inlet (1), dilution pipeline (2), filter pipeline
(3), buffering pipeline (4) and colour developing pipeline (5) also include and connect described peristaltic pump tube
Connecting line, the caliber of each described connecting line both with respect to standard pipe size reduce 40%～
70%.
4. the as claimed in claim 1 flowing chemical analyzer pipeline system measured for total nitrogen content
System, it is characterised in that: described dilution pipeline (2) includes two pipelines, and one for being passed through air
Pipeline (201), another is the pipeline (202) being passed through solvent.
5. the flowing chemical analyzer pipeline measured for total nitrogen content as claimed in claim 1
System, it is characterised in that: described filter pipeline (3) includes two pipelines, and one for being passed through sky
The pipeline (301) of gas, another is the pipeline (302) being passed through solvent.
6. the as claimed in claim 1 flowing chemical analyzer pipeline system measured for total nitrogen content
System, it is characterised in that: described colour developing pipeline (5) includes two pipelines, and one for being passed through colour developing
The pipeline (501) of agent, another is the pipeline (502) being passed through oxidising agent, is passed through colour developing
The pipeline (501) of agent connects described second mixing tube (10) by the 3rd tee T (16)
Pipeline between outlet and the import of described 3rd mixing tube (11), is passed through the pipe of oxidising agent
Road (502) by the 4th tee T (17) connect the outlet of described second mixing tube (10) with
Pipeline between the import of described 3rd mixing tube (11), and described 4th tee T (17)
It is positioned at the downstream of described 3rd tee T (16).
7. the as claimed in claim 6 flowing chemical analyzer pipeline system measured for total nitrogen content
System, it is characterised in that: described 3rd tee T (16) and described 4th tee T (17) it
Between pipeline be provided with the 4th mixing tube (18).
8. the as claimed in claim 7 flowing chemical analyzer pipeline system measured for total nitrogen content
System, it is characterised in that: described 4th tee T (17) and described 3rd mixing tube (11) it
Between pipeline be additionally provided with reacting by heating groove (19).
9. the as claimed in claim 1 flowing chemical analyzer pipeline system measured for total nitrogen content
System, it is characterised in that: described first crystallization-preventive pipeline (14) and described second crystallization-preventive pipeline
(15) it is and is passed through the pipeline of sodium hydrate aqueous solution.
10. the flowing chemical analyzer pipeline measured for total nitrogen content as claimed in claim 1
System, it is characterised in that: described first mixing tube (6) is the glass screw mixing tube of 5 circles,
Described second mixing tube (10) is the glass screw mixing tube of 10 circles, described 3rd mixing tube (11)
It it is the glass screw mixing tube of 10 circles.
The 11. flowing chemical analyzer pipelines measured for total nitrogen content as claimed in claim 7
System, it is characterised in that: described 4th mixing tube (18) is the glass screw mixing tube of 10 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620393260.4U CN205581005U (en) | 2016-05-04 | 2016-05-04 | A chemical analyser pipe -line system that flows for assembling nitrogen assay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620393260.4U CN205581005U (en) | 2016-05-04 | 2016-05-04 | A chemical analyser pipe -line system that flows for assembling nitrogen assay |
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| CN205581005U true CN205581005U (en) | 2016-09-14 |
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| CN201620393260.4U Active CN205581005U (en) | 2016-05-04 | 2016-05-04 | A chemical analyser pipe -line system that flows for assembling nitrogen assay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374610A (en) * | 2018-11-08 | 2019-02-22 | 浙江中烟工业有限责任公司 | A kind of device and method measuring cigarette paper calcium content |
| CN110346361A (en) * | 2019-08-23 | 2019-10-18 | 中国科学院沈阳应用生态研究所 | The measuring method of ammonium nitrogen, nitric nitrogen, nitrite nitrogen and total dissolved nitrogen in a kind of sample |
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- 2016-05-04 CN CN201620393260.4U patent/CN205581005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374610A (en) * | 2018-11-08 | 2019-02-22 | 浙江中烟工业有限责任公司 | A kind of device and method measuring cigarette paper calcium content |
| CN109374610B (en) * | 2018-11-08 | 2021-09-28 | 浙江中烟工业有限责任公司 | Device and method for measuring calcium content of cigarette paper |
| CN110346361A (en) * | 2019-08-23 | 2019-10-18 | 中国科学院沈阳应用生态研究所 | The measuring method of ammonium nitrogen, nitric nitrogen, nitrite nitrogen and total dissolved nitrogen in a kind of sample |
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