CN101963606B - Combustion furnace for total organic carbon (TOC) water quality automatic analyzer - Google Patents
Combustion furnace for total organic carbon (TOC) water quality automatic analyzer Download PDFInfo
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- CN101963606B CN101963606B CN200910104624A CN200910104624A CN101963606B CN 101963606 B CN101963606 B CN 101963606B CN 200910104624 A CN200910104624 A CN 200910104624A CN 200910104624 A CN200910104624 A CN 200910104624A CN 101963606 B CN101963606 B CN 101963606B
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Abstract
The invention discloses a combustion furnace for a total organic carbon water quality automatic analyzer, which comprises a glass component, a heating coil, a temperature sensor, a sample outlet, a gas outlet, a protective tube, a catalyst, a combustion furnace shell and heat-preservation cotton. The working process of the combustion furnace is that: a sample enters and reaches the bottom of the glass component from the sample inlet; the catalyst is arranged at the bottom of the glass component; the heating coil heats the sample to 900 DEG C under the catalysis of the catalyst; organic matters in the sample are combusted to generate carbon dioxide which is exhausted from the gas outlet to enter the next stage of the total organic carbon analyzer for treatment; the heat-preservation cotton is arranged between the protective tube and the combustion furnace; temperature measurement points of the temperature sensor are arranged on the outer wall of the protective tube, and are close to the heating coil to measure combustion temperature; and temperature signals obtained by the measurement are transmitted to a controller of the total organic carbon water quality automatic analyzer for processing and control. The combustion furnace solves the problem of difficulty in control over the water sample in combustion.
Description
Technical field
The present invention relates to total organic carbon water quality monitoring technical field, more particularly, relate to a kind of total organic carbon water quality automatic analyzer and use combustion furnace.
Background technology
Total organic carbon (TOC) water quality automatic analyzer is different by principle of work, can be divided into combustion oxidation-non-dispersion infrared absorption process, conductance method, gas chromatography etc.Wherein combustion oxidation-non-dispersion infrared absorption process only needs disposable transformation; Flow process is simple, highly sensitive; Therefore this TOC analyser widely adopts both at home and abroad, and combustion oxidation-non-dispersion infrared absorption process can be divided into minusing and direct method again by the different principle of measuring the TOC value.Which kind of method all need be burnt to water sample, and combustion furnace is most crucial parts, and water sample will carry out heating flame under 900 degrees centigrade, and the design of its combustion furnace is extremely important, and the temperature and pressure that burning is produced etc. all will pass through proper process.
A kind of method and equipment thereof of direct burning underwater micro-organic matter are arranged in the prior art, the organism in the waste water is directly burnt, convert a kind of technology of inorganics into; Be the organic sample of routine to be put into 900-1000 degree centigrade high quartz combustion inner pipe, main burning be organic sample, but when total organic carbon is measured in the water; The sample principal ingredient of being burnt is a water; Be the material of extinguish combustion, said method and equipment are difficult to reach burning fully, so prior art is improved: (1) is the burning quartz ampoule prolongation of 350mm with length; With its 300mm is high temperature combustion zone, and remaining 350mm length quartz ampoule is set as the low temperature gasification district; (2) injector is not interposing at the high-temperature region and puts and low-temperature space; (3) heating temperature is lower in the low temperature gasification district for injector, and the quartz sample device changes the glass injector into, and the quartz capillary of the appearance that wherein is filled with water changes the glass capillary ball into; When water sample is heated gasification, make the space collision in ball of gasification molecule, the molecule that energy is big is gone out kapillary; Slip to the high-temperature region burning; Various molecules are pressed its size of energy separately, successively go out kapillary, successively fully burn in the high-temperature region respectively.
Prior art after the improvement is divided into high temperature combustion zone and low temperature gasification district with quartz ampoule, the complex structure of quartz ampoule, owing to have the branch of high low temperature, and do not have temperature testing equipment, be not easy to control during burning.
Summary of the invention
In view of this, the present invention provides total organic carbon water quality automatic analyzer to use combustion furnace, to reach the purpose that when water sample burns, is easy to control.
To achieve these goals, the invention provides following scheme:
A kind of total organic carbon water quality automatic analyzer is used combustion furnace, comprising: glass assembly, heater coil, temperature sensor, sample inlet, gas vent, protection tube, catalyzer, combustion furnace shell and heat-preservation cotton, wherein:
Said sample inlet places on the said glass assembly, is used to receive sample;
Said glass assembly is installed in the said protection tube, and said protection tube is used to protect said glass assembly, and said glass assembly is equipped with said catalyzer, is used for sample combustion;
Said heater coil places outside the protection tube, is used for heated sample and makes sample combustion;
Said gas vent places outside the glass assembly, is used to discharge the gas after the said sample combustion;
The point for measuring temperature of said temperature sensor places the outer wall of said protection tube, and approaching said heater coil is to detect temperature;
Said heat-preservation cotton places between said protection tube and the combustion furnace shell, and said protection tube adopts corundum material to process.
Preferably, in the above-mentioned combustion furnace, said glass assembly is a quartz ampoule.
Preferably, in the above-mentioned combustion furnace, said heat-preservation cotton is resistant to elevated temperatures high aluminum wool.
Can find out that from above-mentioned technical scheme the integral body heating is carried out to quartz ampoule during sample combustion in the quartz ampoule of combustion furnace subregion not in the embodiment of the invention; Need not the branch of the high low temperature of branch; Carry out catalysis with catalyzer during burning, the burning that makes is complete, and temperature sensor can be measured temperature; The controller place that is sent to signal total organic carbon water quality automatic analyzer handles, and makes burning be easy to control.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The total organic carbon water quality automatic analyzer that Fig. 1 provides for the embodiment of the invention is with the structural representation of combustion furnace.
In the accompanying drawing 1: 1 is glass assembly, and 2 is heater coil, and 3 is temperature sensor, and 4 is sample inlet, and 5 is gas vent, and 6 is protection tube, and 7 is catalyzer, and 8 is the combustion furnace shell, and 9 is heat-preservation cotton.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention discloses total organic carbon water quality automatic analyzer and use combustion furnace; Shown in accompanying drawing 1; Comprise: glass assembly, heater coil, temperature sensor, sample inlet, gas vent, protection tube, catalyzer, combustion furnace shell and heat-preservation cotton, wherein:
Glass assembly: adopt quartz ampoule, catalyzer wherein is housed, sample burns once more;
Heater coil: protection tube is heated;
Temperature sensor: temperature is detected, and be sent to controller and handle.
Sample inlet: sample from then on mouth gets in the quartz ampoule of glass assembly.
Gas vent: the gas after the burning is mouthful discharge from then on.
Protection tube: cover glass assembly.
Catalyzer: adopt Cr2O3, CoO and CuO etc. as catalyzer, guarantee that sample fully burns.
Combustion furnace shell: the shell of combustion furnace.
Heat-preservation cotton: adopt the high aluminum wool of resistant to elevated temperatures insulation material, prevent heat dissipation, the burning efficiency that makes is higher.
Above-mentioned total organic carbon water quality automatic analyzer uses the course of work of combustion furnace to be: sample gets into the bottom of glass assembly from sample inlet; Catalyzer is equipped with in the bottom of glass assembly, and heater coil is heated to 900 degrees centigrade with sample under the catalytic action of catalyzer, and the organic compound combustion in the sample generates carbon dioxide; Under the effect of pressure; Carbon dioxide rises to the top of glass assembly from the bottom of glass assembly, discharge from gas vent, and the next stage that gets into total organic carbon analyzer is handled.Glass assembly is installed in the protection tube, and protection tube adopts corundum material, the high temperature that ability is 1500 degrees centigrade; Be filled with heat-preservation cotton between protection tube and the combustion furnace shell, prevent heat dissipation, make burning efficiency higher; The point for measuring temperature of temperature sensor places the outer wall of protection tube; And near heater coil, in order to measure the temperature of burning, the temperature signal after the measurement is sent to controller and handles and control.
This combustion furnace is the critical piece of high temperature catalytic combustion method total organic carbon analyzer; Sample all was liquid before getting into combustion furnace; After the combustion furnace burning, promptly can be changed into gaseous carbon dioxide; Carbon dioxide gets into the carbon dioxide detecting unit of total organic carbon automatic analyzer, and carbon dioxide detects the content of carbon dioxide, can reflect organic content in the sample through calculating.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (3)
1. a total organic carbon water quality automatic analyzer is used combustion furnace, it is characterized in that, comprising: glass assembly, heater coil, temperature sensor, sample inlet, gas vent, protection tube, combustion furnace shell and heat-preservation cotton, wherein:
Said sample inlet places on the said glass assembly, is used to receive sample;
Said glass assembly is installed in the said protection tube, and said protection tube is protected said glass assembly, and said glass assembly is equipped with the catalyzer that is used for burning sample;
Said heater coil places outside the protection tube, is used for heated sample and makes sample combustion;
Said gas vent places on the said glass assembly, is used to discharge the gas after the said sample combustion;
The point for measuring temperature of said temperature sensor places the outer wall of said protection tube, and approaching said heater coil is to detect temperature;
Said heat-preservation cotton places between protection tube and the combustion furnace shell, and said protection tube adopts corundum material to process.
2. according to the said combustion furnace of claim 1, it is characterized in that said glass assembly is a quartz ampoule.
3. according to the said combustion furnace of claim 1, it is characterized in that said heat-preservation cotton is resistant to elevated temperatures high aluminum wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910104624A CN101963606B (en) | 2009-08-10 | 2009-08-10 | Combustion furnace for total organic carbon (TOC) water quality automatic analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910104624A CN101963606B (en) | 2009-08-10 | 2009-08-10 | Combustion furnace for total organic carbon (TOC) water quality automatic analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963606A CN101963606A (en) | 2011-02-02 |
| CN101963606B true CN101963606B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910104624A Expired - Fee Related CN101963606B (en) | 2009-08-10 | 2009-08-10 | Combustion furnace for total organic carbon (TOC) water quality automatic analyzer |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628650A (en) * | 2012-04-19 | 2012-08-08 | 江苏中国科学院能源动力研究中心 | Pressurizing tube type resistance furnace capable of adjusting length of working section and application method of pressurizing tube type resistance furnace |
| CN102944454B (en) * | 2012-10-23 | 2016-02-10 | 浙江泰林生物技术股份有限公司 | Combustion furnace for total organic carbon determination |
| CN104374614B (en) * | 2014-08-05 | 2016-11-02 | 天津师范大学 | Cracking chemical evapn generation sampling device and the method for analysis for element determination |
| CN104330517B (en) * | 2014-10-22 | 2016-01-20 | 中国石油化工股份有限公司 | A kind of chemicals danger of combustion level estimate device |
| CN105136707B (en) * | 2015-09-25 | 2018-02-27 | 华南理工大学 | A kind of detection means of volatile organic content and catalyzing, oxidizing and purifying efficiency |
| EP3832302A1 (en) | 2019-12-02 | 2021-06-09 | Aerosol d.o.o. | A heating chamber for measuring carbonaceous aerosol, and a device comprising said chamber |
| CN112964751A (en) * | 2021-02-05 | 2021-06-15 | 上海元析仪器有限公司 | Double-layer combustion tube for total organic carbon analyzer |
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2009
- 2009-08-10 CN CN200910104624A patent/CN101963606B/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-106678A 2005.04.21 |
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| CN101963606A (en) | 2011-02-02 |
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