CN104280341A - Equipment for detecting carbon content of steel samples - Google Patents
Equipment for detecting carbon content of steel samples Download PDFInfo
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- CN104280341A CN104280341A CN201410581921.1A CN201410581921A CN104280341A CN 104280341 A CN104280341 A CN 104280341A CN 201410581921 A CN201410581921 A CN 201410581921A CN 104280341 A CN104280341 A CN 104280341A
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Abstract
The invention discloses equipment for detecting carbon content of steel samples. The equipment comprises an electric arc ignition furnace, a gas inlet device, a desulfurization device, a gas guide device and a gas concentration detection device, wherein the steel samples are combusted in the electric arc ignition furnace at high temperature to generate furnace gas; the furnace gas is sent into the desulfurization device through the gas inlet device to remove the sulfur dioxide gas in the furnace gas, and further sent into a detection chamber of the gas concentration detection device after being subjected to flow counting in the gas guide device; and the light beam generated by a laser enters the detection chamber from a first light inlet through an incidence optical fiber, is reflected by an optical reflector at a second light outlet so as to return to the detection chamber from a second light inlet, and then enters a detection optical fiber at a first light outlet to detect the concentration of the gas in the detection chamber so as to obtain the content of the carbon in the samples. The equipment for detecting carbon content of steel samples is capable of measuring the content of carbon in the samples according to the amount of the carbon dioxide generated by the combustion of the detected steel samples, and is simple in structure, high in detection precision and long in service life.
Description
Technical field
The present invention relates to ferrous materials analysis technical field, particularly relate to a kind of steel samples carbon content checkout equipment.
Background technology
In steel casting field, needing to carry out component concentration to sample and carry out determination and analysis, the carbon content especially in sample, is one of important indicator of the quality of evaluating material, and therefore, the analysis of the carbon content in material is in widespread attention.Usually, the carbometer device carbon content detected in iron and steel is adopted to be that the carbon contained in sample generates carbon dioxide, then carries out absorption to determine to infrared light by carbon dioxide by being burnt by solid powder sample, this instrument operating accuracy requires high, easily affects the accuracy of detection of carbon.
Summary of the invention
For solving the technical matters existed in background technology, the present invention proposes a kind of steel samples carbon content checkout equipment, can according to the carbon content detected in the quantitative determination sample of the carbon dioxide that steel samples burning produces, device structure is simple, accuracy of detection is high, and instrument is not easily corroded in testing process.
A kind of steel samples carbon content checkout equipment that the present invention proposes, comprising: arc ignition stove, admission gear, desulfurizing device, gas operated device, gas concentration detection apparatus;
Gas concentration detection apparatus comprises sensing chamber, vacuum pump, laser instrument, optical reflective devices, incident optical, detection fiber, sensing chamber has the detection space be made up of light-proof material, detection space is provided with air intake opening and exhausr port on sensing chamber's sidewall, vacuum pump is used for vacuumizing the carrying out of sensing chamber, vent valve is provided with in described exhaust ports, the sidewall of sensing chamber is also provided with the first transmission region and the second transmission region that are oppositely arranged, first transmission region is provided with the first light entrance and the first light exit, second transmission region is provided with the second light entrance and the second light exit, laser instrument, incident optical, detection fiber is positioned at the first transmission region side, the output terminal of laser instrument connects the input end of incident optical, the output terminal of incident optical is connected to the first light entrance, the input end of detection fiber is connected to the first light exit place, optical reflective devices is positioned at the second transmission region place, the input end of optical reflective devices and output terminal are connected to the second light entrance and the second light exit place,
Desulfurizing device comprises sulphur removal bottle, the first liquid storage bottle, the second liquid storage bottle, the first feed tube and the second feed tube, first liquid storage bottle is for holding starch solution, second liquid storage bottle is for holding iodine potassium solution, sulphur removal bottle is provided with gas access, gas vent, inlet and waste liquid outlet, first feed tube one end is sealedly connected on the inlet place of sulphur removal bottle, the other end seals with the first liquid storage bottle and is communicated with, second feed tube one end is sealedly connected on the inlet place of sulphur removal bottle, and the other end seals with the second liquid storage bottle and is communicated with;
Admission gear one end is sealedly connected on the gas access place of sulphur removal bottle, and the other end seals with arc ignition stove and is communicated with, and admission gear is used for the furnace gas produced in arc ignition stove to introduce in sulphur removal bottle;
Gas operated device one end is sealedly connected on the gas outlet of sulphur removal bottle, and the other end is sealedly connected on the air intake opening place of sensing chamber, and gas operated device is provided with flow measurement device.
Preferably, optical reflective devices is the conical reflecting prism plating corrosion-resistant reflectance coating.
Preferably, admission gear is provided with filtration unit.
Preferably, gas operated device is provided with drying device.
Preferably, incident optical collimating element is provided with at the output terminal of incident optical.
Preferably, detection fiber collimating element is provided with at the input end of detection fiber.
In the present invention, the steel samples carbon content checkout equipment proposed, it comprises: arc ignition stove, admission gear, desulfurizing device, gas operated device, gas concentration detection apparatus, steel samples high-temp combustion in arc ignition stove produces furnace gas, furnace gas sends in desulfurizing device the sulfur dioxide gas removed wherein by admission gear, then send in the sensing chamber of gas concentration detection apparatus after gas operated device metering flow, after the light beam that laser instrument produces enters sensing chamber by incident optical from the first light entrance, reflected by optical reflective devices at the second light exit place and return sensing chamber from the second light entrance, then detection fiber is entered at the first light exit place, realize the detection to gas concentration in sensing chamber, thus draw the carbon content in sample.By the steel samples carbon content checkout equipment of above-mentioned optimal design, desulfurizing device is adopted to remove the sulfur dioxide gas produced in steel samples burning, laser instrument, optical fiber and optical reflective devices is adopted to coordinate, can detect the gas concentration of two positions in sensing chamber simultaneously, and reduce and detect the error of light beam in conductive process, improve accuracy of detection, instrument is not easily corroded in testing process simultaneously, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of steel samples carbon content checkout equipment that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of steel samples carbon content checkout equipment that the present invention proposes.
With reference to Fig. 1, the steel samples carbon content checkout equipment that the present invention proposes, comprising: arc ignition stove 1, admission gear 2, desulfurizing device, gas operated device 4, gas concentration detection apparatus;
Gas concentration detection apparatus comprises sensing chamber 51, vacuum pump 52, laser instrument 53, conical reflecting prism 54, incident optical 55, detection fiber 56, incident optical collimating element 58, detection fiber collimating element 59, sensing chamber 51 has the detection space be made up of light-proof material, detection space is provided with air intake opening and exhausr port on sensing chamber 51 sidewall, vacuum pump 52 is for vacuumizing the carrying out of sensing chamber 51, vent valve 57 is provided with in described exhaust ports, the sidewall of sensing chamber 51 is also provided with the first transmission region and the second transmission region that are oppositely arranged, first transmission region is provided with the first light entrance 511 and the first light exit 512, second transmission region is provided with the second light entrance 513 and the second light exit 514, laser instrument 53, incident optical 55, detection fiber 56, incident optical collimating element 58, detection fiber collimating element 59 is positioned at the first transmission region side, the output terminal of laser instrument 53 connects the input end of incident optical 55, the output terminal of incident optical 55 connects the input end of incident optical fiber collimator part 58, the output terminal of incident optical collimating element 58 is connected to the first light entrance 511 place, the input end of detection fiber collimating element 59 is connected to the first light exit 512 place, the output terminal of detection fiber collimating element 59 connects the input end of detection fiber 56, conical reflecting prism 54 is positioned at the second transmission region place, the input end of conical reflecting prism 54 and output terminal are connected to the second light entrance 513 and the second light exit 514 place, conical reflecting prism 54 surface is coated with corrosion-resistant reflectance coating,
Desulfurizing device comprises sulphur removal bottle 31, first liquid storage bottle 32, second liquid storage bottle 33, first feed tube 34 and the second feed tube 35, first liquid storage bottle 32 is for holding starch solution, second liquid storage bottle 33 is for holding iodine potassium solution, sulphur removal bottle 31 is provided with gas access, gas vent, inlet and waste liquid outlet, first feed tube 34 one end is sealedly connected on the inlet place of sulphur removal bottle 31, the other end seals with the first liquid storage bottle 32 and is communicated with, second feed tube 35 one end is sealedly connected on the inlet place of sulphur removal bottle 31, and the other end seals with the second liquid storage bottle 33 and is communicated with;
Admission gear 2 one end is sealedly connected on the gas access place of sulphur removal bottle 31, the other end seals with arc ignition stove 1 and is communicated with, admission gear 2 is introduced in sulphur removal bottle 31 for the furnace gas will produced in arc ignition stove 1, admission gear 2 is provided with filtration unit 21, for filtering the solid impurity contained in furnace gas;
Gas operated device 4 one end is sealedly connected on the gas outlet of sulphur removal bottle 31, the other end is sealedly connected on the air intake opening place of sensing chamber 51, gas operated device 4 is provided with flow measurement device 41 and drying device 42, and drying device 42 is for making the furnace-heated through desulfurizing device 3.
The steel samples carbon content checkout equipment of the present embodiment detects in the process of the carbon content of steel samples, first detected sample is placed in arc ignition stove, by the first feed tube of desulfurizing device from the first liquid storage bottle to preset starch solution in sulphur removal bottle, the vacuum pump of gas concentration detection apparatus vacuumizes sensing chamber, oxygen is passed in arc ignition stove, the furnace gas that high-temperature heating sample produces at 1300 DEG C enters admission gear, filter in the starch solution passed into after solid impurity in sulphur removal bottle through filtration unit, second feed tube is from the second liquid storage bottle to titration iodine potassium solution in sulphur removal bottle simultaneously, the color of starch solution is changed, when starch solution color reverses back priming color in liquid storage bottle, second feed tube stops feed liquor, sulfur dioxide gas contained in furnace gas absorbs complete in sulphur removal bottle, furnace gas through sulphur removal enters gas operated device, the steam that the drying device absorption furnace gas that gas operated device is arranged adheres to through starch solution, after the volume of flow measurement device metering furnace gas, furnace gas enters in the sensing chamber of gas concentration detection apparatus, the light beam that laser instrument sends passes through incident optical, sensing chamber is entered from the first light entrance after incident optical collimating element collimation, light beam is by penetrating sensing chamber from the second light exit after the furnace gas of sensing chamber inside, again sensing chamber is entered by the second light entrance by after conical reflecting prismatic reflection, by being penetrated by the first light exit after the furnace gas in sensing chamber, then by entering detection fiber after detection fiber collimating element collimation, obtain gas concentration in sensing chamber, the carbon content in steel samples is drawn according to gas flow and gas concentration.
In the present embodiment, the steel samples carbon content checkout equipment proposed, it comprises: arc ignition stove, admission gear, desulfurizing device, gas operated device, gas concentration detection apparatus, steel samples high-temp combustion in arc ignition stove produces furnace gas, furnace gas sends in desulfurizing device the sulfur dioxide gas removed wherein by admission gear, then send in the sensing chamber of gas concentration detection apparatus after gas operated device metering flow, after the light beam that laser instrument produces enters sensing chamber by incident optical from the first light entrance, reflected by optical reflective devices at the second light exit place and return sensing chamber from the second light entrance, then detection fiber is entered at the first light exit place, realize the detection to gas concentration in sensing chamber, thus draw the carbon content in sample.By the steel samples carbon content checkout equipment of above-mentioned optimal design, desulfurizing device is adopted to remove the sulfur dioxide gas produced in steel samples burning, laser instrument, optical fiber and optical reflective devices is adopted to coordinate, can detect the gas concentration of two positions in sensing chamber simultaneously, and reduce and detect the error of light beam in conductive process, improve accuracy of detection, instrument is not easily corroded in testing process simultaneously, long service life.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a steel samples carbon content checkout equipment, is characterized in that, comprising: arc ignition stove (1), admission gear (2), desulfurizing device, gas operated device (4), gas concentration detection apparatus;
Gas concentration detection apparatus comprises sensing chamber (51), vacuum pump (52), laser instrument (53), optical reflective devices (54), incident optical (55), detection fiber (56), sensing chamber (51) has the detection space be made up of light-proof material, detection space is provided with air intake opening and exhausr port on sensing chamber (51) sidewall, vacuum pump (52) is for vacuumizing the carrying out of sensing chamber (51), vent valve (57) is provided with in described exhaust ports, the sidewall of sensing chamber (51) is also provided with the first transmission region be oppositely arranged and the second transmission region, first transmission region is provided with the first light entrance (511) and the first light exit (512), second transmission region is provided with the second light entrance (513) and the second light exit (514), laser instrument (53), incident optical (55), detection fiber (56) is positioned at the first transmission region side, the output terminal of laser instrument (53) connects the input end of incident optical (55), the output terminal of incident optical (55) is connected to the first light entrance (511) place, the input end of detection fiber (56) is connected to the first light exit (512) place, optical reflective devices (54) is positioned at the second transmission region place, the input end of optical reflective devices (54) and output terminal are connected to the second light entrance (513) and the second light exit (514) place,
Desulfurizing device comprises sulphur removal bottle (31), first liquid storage bottle (32), second liquid storage bottle (33), first feed tube (34) and the second feed tube (35), first liquid storage bottle (32) is for holding starch solution, second liquid storage bottle (33) is for holding iodine potassium solution, sulphur removal bottle (31) is provided with gas access, gas vent, inlet and waste liquid outlet, first feed tube (34) one end is sealedly connected on the inlet place of sulphur removal bottle (31), the other end seals with the first liquid storage bottle (32) and is communicated with, second feed tube (35) one end is sealedly connected on the inlet place of sulphur removal bottle (31), the other end seals with the second liquid storage bottle (33) and is communicated with,
Admission gear (2) one end is sealedly connected on the gas access place of sulphur removal bottle (31), the other end seals with arc ignition stove (1) and is communicated with, and admission gear (2) is introduced in sulphur removal bottle (31) for the furnace gas will produced in arc ignition stove (1);
Gas operated device (4) one end is sealedly connected on the gas outlet of sulphur removal bottle (31), the other end is sealedly connected on the air intake opening place of sensing chamber (51), and gas operated device (4) is provided with flow measurement device (41).
2. steel samples carbon content checkout equipment according to claim 1, is characterized in that, optical reflective devices (54) is the conical reflecting prism of the corrosion-resistant reflectance coating of plating.
3. steel samples carbon content checkout equipment according to claim 1 and 2, is characterized in that, admission gear (2) is provided with filtration unit (21).
4. steel samples carbon content checkout equipment according to claim 3, is characterized in that, gas operated device (4) is provided with drying device (42).
5. the steel samples carbon content checkout equipment according to claim 1,2 or 4, is characterized in that, is provided with incident optical collimating element (58) at the output terminal of incident optical (55).
6. the steel samples carbon content checkout equipment according to claim 1,2,4 or 5, is characterized in that, is provided with detection fiber collimating element (59) at the input end of detection fiber (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581921.1A CN104280341A (en) | 2014-10-27 | 2014-10-27 | Equipment for detecting carbon content of steel samples |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410581921.1A CN104280341A (en) | 2014-10-27 | 2014-10-27 | Equipment for detecting carbon content of steel samples |
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| CN104280341A true CN104280341A (en) | 2015-01-14 |
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| CN201410581921.1A Pending CN104280341A (en) | 2014-10-27 | 2014-10-27 | Equipment for detecting carbon content of steel samples |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591624Y (en) * | 2002-01-30 | 2003-12-10 | 李志标 | Automatic analysis meter for cement, carbon & sulfur |
| CN2819221Y (en) * | 2005-09-08 | 2006-09-20 | 孙笑欢 | Determined part of automatic carbon sulfur analyzer |
| CN101514920A (en) * | 2008-02-20 | 2009-08-26 | 厦门大学 | Ultraviolet spectrophotometer, detecting head |
| CN102564999A (en) * | 2010-12-15 | 2012-07-11 | 西安金和光学科技有限公司 | Gas sensing device |
| JP2013040772A (en) * | 2011-08-11 | 2013-02-28 | Jvc Kenwood Corp | Optical analysis apparatus and optical analysis method |
-
2014
- 2014-10-27 CN CN201410581921.1A patent/CN104280341A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591624Y (en) * | 2002-01-30 | 2003-12-10 | 李志标 | Automatic analysis meter for cement, carbon & sulfur |
| CN2819221Y (en) * | 2005-09-08 | 2006-09-20 | 孙笑欢 | Determined part of automatic carbon sulfur analyzer |
| CN101514920A (en) * | 2008-02-20 | 2009-08-26 | 厦门大学 | Ultraviolet spectrophotometer, detecting head |
| CN102564999A (en) * | 2010-12-15 | 2012-07-11 | 西安金和光学科技有限公司 | Gas sensing device |
| JP2013040772A (en) * | 2011-08-11 | 2013-02-28 | Jvc Kenwood Corp | Optical analysis apparatus and optical analysis method |
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Effective date of registration: 20151127 Address after: The economic development zone of Longgang road and Yaohai road junction Qi Garden real District of Hefei City, Anhui province 230000 two B group 39 building 803 room Applicant after: HEFEI ZAIDE MACROMOLECULE MATERIAL CO., LTD. Address before: 230000 No. 45 West Chaohu Road, upper town, Feixi County, Anhui, Hefei Applicant before: HEFEI ZHUOYUE ANALYTICAL INSTRUMENTS CO., LTD. |
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Application publication date: 20150114 |
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