CN109425507A - A kind of sample liquid collection device, elemental analyser and collection method - Google Patents
A kind of sample liquid collection device, elemental analyser and collection method Download PDFInfo
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- CN109425507A CN109425507A CN201710736419.7A CN201710736419A CN109425507A CN 109425507 A CN109425507 A CN 109425507A CN 201710736419 A CN201710736419 A CN 201710736419A CN 109425507 A CN109425507 A CN 109425507A
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- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 11
- 239000003245 coal Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000004448 titration Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003556 assay Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sample liquid collection devices, including multiple groups liquid-collecting bottle component, each group liquid-collecting bottle component to connect one to one with the condenser pipe in elemental analyser, and liquid-collecting bottle component includes more than one liquid-collecting bottle；Switching switch is provided between multiple liquid-collecting bottles.The invention also discloses a kind of elemental analysers, including sample injection unit, high temperature furnace, condensing unit, sample liquid collection device as described above and the analytical unit being sequentially connected.The invention also discloses a kind of collection methods, comprising the following steps: S01, sample liquid are delivered in a liquid-collecting bottle in corresponding liquid-collecting bottle component, and other liquid-collecting bottles are empty bottle；S02, the sample liquid extracted in wherein one or more liquid-collecting bottles are chemically examined；Starting switching switch makes each condenser pipe be corresponding with an empty bottle, regathers sample liquid；S03, step S02 is repeated.Sample liquid collection device, elemental analyser and collection method of the invention all has the advantages that analysis efficiency is high.
Description
Technical field
The invention mainly relates to constituent content analysis technical field in combustible, a kind of sample liquid collection device, member are refered in particular to
Plain analyzer and collection method.
Background technique
In combustible in addition to containing part dirt and water, remaining is all organic substance.Organic substance is again in coal
It is mainly made of elements such as carbon, hydrogen, oxygen, nitrogen, sulphur, they are one of the indexs of coal science classification, can also be used to calculate coal
Calorific value, estimation and forecasting coal low temperature distillation product, be evaluate combustible mass basic foundation.It analyzes in combustible
All measuring instruments of constituent content are collectively referred to as elemental analyser.
In the prior art, in order to accurately and rapidly measure the contents of various elements in coal sample, typically using will
Coal sample is burnt in the high temperature furnace of respective element analyzer, and is filled with oxygen and water vapour simultaneously to be reacted, and is burnt
Gas afterwards is collected after condenser pipe is cooling by liquid-collecting bottle.It is existing when collecting sample liquid, the method generallyd use is one
The corresponding condenser pipe of sample and a liquid-collecting bottle, have the following problems: the collection of sample liquid must assure that in liquid-collecting bottle without liquid
Body, but if desired it is collected simultaneously two or more sample liquids, it is necessary to assure the liquid in each liquid-collecting bottle completely consumes, could again
Pyrohydrolysis is carried out, each sample liquid is collected respectively, a large amount of time is wasted in experimentation.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
The high sample liquid collection device of kind of analysis efficiency, and a kind of elemental analyser easy to operate and collection method are accordingly provided.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of condenser pipe in sample liquid collection device, including multiple groups liquid-collecting bottle component, each group liquid-collecting bottle component and elemental analyser
It connects one to one, the liquid-collecting bottle component includes more than one liquid-collecting bottle；When liquid-collecting bottle component includes multiple liquid-collecting bottles,
Switching switch is provided between multiple liquid-collecting bottles.
As a further improvement of the above technical scheme:
The quantity of the liquid-collecting bottle component is two groups, two condenser pipes in elemental analyser is respectively corresponded, wherein one group of liquid collecting
Bottle component includes a liquid-collecting bottle, and another group of liquid-collecting bottle component includes two liquid-collecting bottles.
The switching switch is multi-channel direction selecting valve.
The invention also discloses a kind of elemental analyser, including it is sample injection unit, high temperature furnace, condensing unit, as described above
Sample liquid collection device and analytical unit, the sample injection unit, high temperature furnace, condensing unit, sample liquid collection device and analytical unit according to
It is secondary to be connected.
The present invention further correspondingly discloses a kind of collection method based on sample liquid collection device as described above, including following step
It is rapid:
The sample liquid of condenser pipe is delivered in a liquid-collecting bottle in corresponding liquid-collecting bottle component in S01, elemental analyser, liquid-collecting bottle
Other liquid-collecting bottles in component are empty bottle；
S02, the sample liquid extracted in wherein one or more liquid-collecting bottles are chemically examined；Starting switching switch keeps each condenser pipe corresponding
There is an empty bottle, regathers the sample liquid of each condenser pipe output；
S03, step S02 is repeated.
Compared with the prior art, the advantages of the present invention are as follows:
Sample liquid collection device of the invention, each condenser pipe are corresponding with one group of liquid-collecting bottle component, and the collection of liquid-collecting bottle component internal
Switching switch is provided between liquid bottle, in carrying out liquid-collecting bottle when sample liquid analysis, by the switching of switching switch so that each condensation
Guan Jun is corresponding at least one empty bottle, to guarantee the collection that can carry out sample liquid when sample liquid analysis simultaneously, effectively improves element
The analysis efficiency of analyzer entirety.Equally there is elemental analyser and collection method of the invention sample liquid as described above to collect dress
The advantages of setting.
Detailed description of the invention
Fig. 1 is the implementation example figure of collection device of the invention in specific application.
Fig. 2 is the overall structure diagram of elemental analyser of the invention.
Figure label indicates: 1, analytical unit；2, heating duct；3, pyrohydrolysis pipe；4, high temperature furnace；5, sample injection unit；
6, liquid-collecting bottle component；601, the first liquid-collecting bottle；602, the second liquid-collecting bottle；603, third liquid-collecting bottle；604, switching switch；7, it condenses
Unit；71, the first condenser pipe；72, the second condenser pipe；8, valve；9, titration solution.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the collection device for elemental analyser of the present embodiment, including multiple groups liquid-collecting bottle component 6, each group
Liquid-collecting bottle component 6 connects one to one with the condenser pipe in elemental analyser, and liquid-collecting bottle component 6 includes more than one liquid collecting
Bottle；When liquid-collecting bottle component 6 includes multiple liquid-collecting bottles, switching switch 604 is provided between multiple liquid-collecting bottles.Of the invention is used for
The collection device of elemental analyser, each condenser pipe are corresponding with one group of liquid-collecting bottle component 6, and the liquid collecting inside liquid-collecting bottle component 6
Switching switch is provided between bottle, in carrying out liquid-collecting bottle when sample liquid analysis, by switching the switching of switch 604 so that each condensation
It is empty bottle that Guan Jun, which is corresponding at least one liquid-collecting bottle, to guarantee the collection that can carry out sample liquid when sample liquid analysis simultaneously, effectively
Improve the analysis efficiency of elemental analyser entirety.
In the present embodiment, the quantity of liquid-collecting bottle component 6 is two groups, respectively corresponds two condenser pipes in elemental analyser,
Wherein one group of liquid-collecting bottle component 6 includes a liquid-collecting bottle, and another group of liquid-collecting bottle component 6 includes two liquid-collecting bottles, two liquid-collecting bottles
Between switching switch be multi-channel direction selecting valve.
The present invention further correspondingly discloses a kind of collection side based on the collection device as described above for elemental analyser
Method, comprising the following steps:
The sample liquid of condenser pipe is delivered in a liquid-collecting bottle in corresponding liquid-collecting bottle component 6 in S01, elemental analyser, liquid collecting
Other liquid-collecting bottles in bottle component 6 are empty bottle；
S02, the sample liquid extracted in wherein one or more liquid-collecting bottles are chemically examined；Starting switching switch 604 keeps each condenser pipe equal
It is corresponding with an empty bottle, regathers the sample liquid of each condenser pipe output；
S03, step S02 is repeated.
Specifically, method of the invention is described further in conjunction with an embodiment:
As shown in Figure 1, wherein the quantity of condenser pipe is two, respectively the first condenser pipe 71 and the second condenser pipe 72；Wherein
One condenser pipe 71 is corresponding with the first liquid-collecting bottle 601 and the second liquid-collecting bottle 602, and the second condenser pipe 72 is corresponding with third liquid-collecting bottle 603,
Wherein selection valve 604 is provided between the first liquid-collecting bottle 601 and the second liquid-collecting bottle 602.
Specific work process are as follows: chemically examine for the first time: two samples gas that pyrohydrolysis generates simultaneously respectively enters first
Condenser pipe 71, the second condenser pipe 72, the liquid-vapor mixture for condensing generation respectively enter third liquid-collecting bottle 603, the second liquid-collecting bottle
602, after completing liquid collecting, the sample liquid first in extraction third liquid-collecting bottle 603 is chemically examined；
Second of chemical examination: after the completion of sample liquid extracts in third liquid-collecting bottle 603, selection valve 604 is adjusted, is connected to the first condenser pipe 71
First liquid-collecting bottle 601, then two samples are put into high temperature furnace 4, pyrohydrolysis, at this time the first liquid collecting are carried out to second group of sample
Bottle 601, third liquid-collecting bottle 603 start to collect the sample liquid of second of pyrohydrolysis, and after the completion of chemically examining for the first time, assay device
The sample liquid that can be extracted in the second liquid-collecting bottle 602 is chemically examined；The sample liquid that first time pyrohydrolysis generates at this time is second
It completes to chemically examine during the pyrohydrolysis of secondary sample, that is to say, that second of pyrohydrolysis process is without waiting for the second liquid-collecting bottle
Just start after sample liquid has extracted in 602；
Third time is chemically examined: after the completion of chemically examining for second, the first liquid-collecting bottle 601, third liquid-collecting bottle 603 being waited to complete to second group
The collection of sample liquid is completed after collecting, and the sample liquid that assay device can extract in third liquid-collecting bottle 603 is chemically examined；
4th chemical examination: after the completion of sample liquid in third liquid-collecting bottle 603 extracts, adjusting selection valve makes the first condenser pipe 71 connection the
Two liquid-collecting bottles 602, then two samples are put into high temperature furnace 4, pyrohydrolysis is carried out to third group sample, at this time the second liquid-collecting bottle
602, third liquid-collecting bottle 603 starts to collect the sample liquid of third time pyrohydrolysis, and after the completion of third time is chemically examined, assay device can
It is chemically examined with extracting the sample liquid in the first liquid-collecting bottle 601；The sample liquid that second of pyrohydrolysis generates at this time is in third time
It completes to chemically examine during the pyrohydrolysis of sample, that is to say, that third time pyrohydrolysis process is without waiting for the first liquid-collecting bottle 601
Interior sample liquid just starts after having extracted.
It is so recycled by above-mentioned steps.
As shown in Fig. 2, the invention also discloses a kind of elemental analyser, including sample injection unit 5, high temperature furnace 4, water vapour hair
Raw device, condensing unit 7, sample liquid collection device as described above and analytical unit 1, high temperature furnace 4, condensing unit 7, liquid-collecting bottle component
6 and analytical unit 1 be sequentially connected, sample injection unit 5 is located at the feed inlet of high temperature furnace 4, the pyrohydrolysis pipe 3 of steam generator with
The heating duct 2 of high temperature furnace 4 is connected.Wherein sample injection unit 5 includes sample presentation boat, push rod and push rod sliding block, and push rod sliding block passes through
Push rod is connected with sample presentation boat, and sample presentation boat realizes sample presentation by the sliding of push rod sliding block, and wherein the power of push rod sliding block can come
From external force mechanisms such as magnetic force movings.Wherein analytical unit 1 includes syringe, valve 8, analysis cell and titration solution 9.Carrying out sample
When product are analyzed, the sample presentation boat for filling with coal sample to be measured is fed through in heating duct 2 and carries out full combustion by push rod sliding block first, simultaneously
It is filled with oxygen in one end of heating duct 2, steam generator passes through pyrohydrolysis pipe 3 simultaneously and is filled with water into heating duct 2
Steam, the gas after the completion of burning carry out flowing into each liquid-collecting bottle after condensation forms liquid by condensing unit 7, the liquid in liquid-collecting bottle
Body is pumped by syringe to analysis cell, then instills titration solution 9, to analyze each element content in solution.
In other embodiments, titration can also be substituted using the methods of ion-selective electrode test method, spectroscopic methodology, chromatography.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (5)
1. a kind of sample liquid collection device, which is characterized in that including multiple groups liquid-collecting bottle component (6), each group liquid-collecting bottle component (6) and member
Condenser pipe in plain analyzer connects one to one, and the liquid-collecting bottle component (6) includes more than one liquid-collecting bottle；Work as liquid-collecting bottle
When component includes multiple liquid-collecting bottles, switching switch (604) is provided between multiple liquid-collecting bottles.
2. sample liquid collection device according to claim 1, which is characterized in that the quantity of the liquid-collecting bottle component (6) is two
Group respectively corresponds two condenser pipes in elemental analyser, wherein one group of liquid-collecting bottle component (6) includes a liquid-collecting bottle, it is another
Group liquid-collecting bottle component (6) includes two liquid-collecting bottles.
3. sample liquid collection device according to claim 1 or 2, which is characterized in that the switching switch (604) is multichannel
Selection valve.
4. a kind of elemental analyser, which is characterized in that including sample injection unit (5), high temperature furnace (4), condensing unit (7), such as right
It is required that sample liquid collection device described in any one of 1 to 3 and analytical unit (1), the sample injection unit (5), high temperature furnace (4),
Condensing unit (7), sample liquid collection device and analytical unit (1) are sequentially connected.
5. a kind of collection method based on sample liquid collection device described in claims 1 or 2 or 3, which is characterized in that including following
Step:
The sample liquid of condenser pipe is delivered in a liquid-collecting bottle in corresponding liquid-collecting bottle component (6) in S01, elemental analyser, collection
Other liquid-collecting bottles in liquid bottle component (6) are empty bottle；
S02, the sample liquid extracted in wherein one or more liquid-collecting bottles are chemically examined；Starting switching switch (604) makes each condenser pipe
It is corresponding with an empty bottle, regathers the sample liquid of each condenser pipe output；
S03, step S02 is repeated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736419.7A CN109425507B (en) | 2017-08-24 | 2017-08-24 | Sample liquid collecting device, element analyzer and collecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736419.7A CN109425507B (en) | 2017-08-24 | 2017-08-24 | Sample liquid collecting device, element analyzer and collecting method |
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| Publication Number | Publication Date |
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| CN109425507A true CN109425507A (en) | 2019-03-05 |
| CN109425507B CN109425507B (en) | 2024-05-24 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634499A (en) * | 1992-07-20 | 1994-02-08 | Mitsubishi Heavy Ind Ltd | Method for automatically collecting gas and method for automatically analyzing gas |
| JPH1010101A (en) * | 1996-03-25 | 1998-01-16 | Electron Sensor Technol Lp | Pre-concentrator collector for detecting minute amount of gaseous chemical substance |
| JPH10104133A (en) * | 1996-10-02 | 1998-04-24 | Shimadzu Corp | Apparatus for collecting gas simple |
| CN202033228U (en) * | 2011-01-26 | 2011-11-09 | 长沙开元仪器股份有限公司 | Elemental analyzer |
| CN204637619U (en) * | 2015-02-15 | 2015-09-16 | 福州外语外贸学院 | A kind of high-efficiency rotating evaporimeter conveniently can collecting liquid |
| CN205317752U (en) * | 2015-12-30 | 2016-06-15 | 广东长天思源环保科技股份有限公司 | Multichannel sampling gas analysis appearance |
| CN207268684U (en) * | 2017-08-24 | 2018-04-24 | 湖南三德科技股份有限公司 | A kind of sample liquid collection device and elemental analyser |
-
2017
- 2017-08-24 CN CN201710736419.7A patent/CN109425507B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634499A (en) * | 1992-07-20 | 1994-02-08 | Mitsubishi Heavy Ind Ltd | Method for automatically collecting gas and method for automatically analyzing gas |
| JPH1010101A (en) * | 1996-03-25 | 1998-01-16 | Electron Sensor Technol Lp | Pre-concentrator collector for detecting minute amount of gaseous chemical substance |
| JPH10104133A (en) * | 1996-10-02 | 1998-04-24 | Shimadzu Corp | Apparatus for collecting gas simple |
| CN202033228U (en) * | 2011-01-26 | 2011-11-09 | 长沙开元仪器股份有限公司 | Elemental analyzer |
| CN204637619U (en) * | 2015-02-15 | 2015-09-16 | 福州外语外贸学院 | A kind of high-efficiency rotating evaporimeter conveniently can collecting liquid |
| CN205317752U (en) * | 2015-12-30 | 2016-06-15 | 广东长天思源环保科技股份有限公司 | Multichannel sampling gas analysis appearance |
| CN207268684U (en) * | 2017-08-24 | 2018-04-24 | 湖南三德科技股份有限公司 | A kind of sample liquid collection device and elemental analyser |
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