CN101963606A - 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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- CN101963606A CN101963606A CN2009101046247A CN200910104624A CN101963606A CN 101963606 A CN101963606 A CN 101963606A CN 2009101046247 A CN2009101046247 A CN 2009101046247A CN 200910104624 A CN200910104624 A CN 200910104624A CN 101963606 A CN101963606 A CN 101963606A
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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 (TOC) water quality automatic analyzer combustion furnace.
Background technology
Total organic carbon (TOC) water quality automatic analyzer can be divided into combustion oxidation-non-dispersion infrared absorption process, conductance method, gas chromatography etc. by the principle of work difference.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 needs burns 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 suitable processing.
Method and equipment thereof that a kind of direct burning underwater micro-organic matter is arranged in the prior art, organism in the waste water is directly burnt, be converted to a kind of technology of inorganics, be the organic sample of routine to be put into 900-1000 degree centigrade high quartz combustion inner pipe, mainly burning is organic sample, but when total organic carbon is measured in the water, burned sample principal ingredient is a water, it is the material of extinguish combustion, said method and equipment are difficult to reach burning fully, therefore prior art is improved: (1) is the burning quartz ampoule prolongation of 350mm with length, is high temperature combustion zone with its 300mm, 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) injector is lower at low temperature gasification district heating temperature, the quartz sample device changes the glass injector into, the quartz capillary of sample of wherein being 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 invention provides total organic carbon (TOC) water quality automatic analyzer 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 (TOC) water quality automatic analyzer combustion furnace comprises: glass assembly, heater coil, temperature sensor, sample inlet, gas vent, protection tube, catalyzer, combustion furnace shell and heat-preservation cotton, wherein:
Described sample inlet places on the described glass assembly, is used to receive sample;
Described glass assembly is installed in the described protection tube, and described protection tube is used to protect described glass assembly, and described glass assembly is equipped with described catalyzer, is used for sample combustion;
Described heater coil places outside the protection tube, is used for heated sample and makes sample combustion;
Described gas vent places outside the glass assembly, is used to discharge the gas after the described sample combustion;
The point for measuring temperature of described temperature sensor places the outer wall of described protection tube, and approaching described heater coil is to detect temperature;
Described heat-preservation cotton places between described protection tube and the combustion furnace shell.
Preferably, in the above-mentioned combustion furnace, described glass assembly is a quartz ampoule.
Preferably, in the above-mentioned combustion furnace, described heat-preservation cotton is resistant to elevated temperatures high aluminum wool.
From above-mentioned technical scheme as can be seen, the quartz ampoule of combustion furnace subregion not in the embodiment of the invention, during sample combustion quartz ampoule is carried out the integral body heating, 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 signal is sent to total organic carbon (TOC) 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, apparently, 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 that Fig. 1 provides for the embodiment of the invention (TOC) the water quality automatic analyzer 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
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, 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 belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention discloses total organic carbon (TOC) water quality automatic analyzer combustion furnace; as shown in Figure 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 enters 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 (TOC) water quality automatic analyzer with the course of work of combustion furnace is: sample enters the bottom of glass assembly from sample inlet, catalyzer is equipped with in the bottom of glass assembly, heater coil is heated to 900 degrees centigrade with sample under the catalytic action of catalyzer, 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, the next stage that enters total organic carbon analyzer is handled.Glass assembly is installed in the protection tube; 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 entering combustion furnace, after the combustion furnace burning, promptly can be changed into gaseous carbon dioxide, carbon dioxide enters the carbon dioxide detecting unit of total organic carbon automatic analyzer, carbon dioxide detects the content of carbon dioxide, can reflect organic content in the sample by 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 herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, 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 combustion furnace 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:
Described sample inlet places on the described glass assembly, is used to receive sample;
Described glass assembly is installed in the described protection tube, and described protection tube is protected described glass assembly, and described glass assembly is equipped with the catalyzer that is used for burning sample;
Described heater coil places outside the protection tube, is used for heated sample and makes sample combustion;
Described gas vent places on the described glass assembly, is used to discharge the gas after the described sample combustion;
The point for measuring temperature of described temperature sensor places the outer wall of described protection tube, and approaching described heater coil is to detect temperature;
Described heat-preservation cotton places between protection tube and the combustion furnace shell.
2. according to the described combustion furnace of claim 1, it is characterized in that described glass assembly is a quartz ampoule.
3. according to the described combustion furnace of claim 1, it is characterized in that described 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN101963606A true CN101963606A (en) | 2011-02-02 |
| CN101963606B 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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Cited By (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 |
| CN102944454A (en) * | 2012-10-23 | 2013-02-27 | 杭州泰林生物技术设备有限公司 | Combustion furnace for total organic carbon determination |
| CN104330517A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Device for testing combustion risk grade of chemical substance |
| CN104374614A (en) * | 2014-08-05 | 2015-02-25 | 天津师范大学 | Cracking-chemical steam generation sample-introduction apparatus for element determination and analysis method |
| CN105136707A (en) * | 2015-09-25 | 2015-12-09 | 华南理工大学 | Detection device of volatile organic compound content and catalytic oxidation purification 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 |
-
2009
- 2009-08-10 CN CN200910104624A patent/CN101963606B/en not_active Expired - Fee Related
Cited By (11)
| 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 |
| CN102944454A (en) * | 2012-10-23 | 2013-02-27 | 杭州泰林生物技术设备有限公司 | Combustion furnace for total organic carbon determination |
| 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 |
| CN104374614A (en) * | 2014-08-05 | 2015-02-25 | 天津师范大学 | Cracking-chemical steam generation sample-introduction apparatus for element determination and analysis method |
| 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 |
| CN104330517A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Device for testing combustion risk grade of chemical substance |
| 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 |
| CN105136707A (en) * | 2015-09-25 | 2015-12-09 | 华南理工大学 | Detection device of volatile organic compound content and catalytic oxidation purification efficiency |
| 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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| Publication number | Publication date |
|---|---|
| CN101963606B (en) | 2012-09-05 |
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