CN110716006A - Combustion furnace for material detection - Google Patents
Combustion furnace for material detection Download PDFInfo
- Publication number
- CN110716006A CN110716006A CN201810756622.5A CN201810756622A CN110716006A CN 110716006 A CN110716006 A CN 110716006A CN 201810756622 A CN201810756622 A CN 201810756622A CN 110716006 A CN110716006 A CN 110716006A
- Authority
- CN
- China
- Prior art keywords
- furnace
- furnace body
- base
- crucible
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000004154 testing of material Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- 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
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Abstract
The invention discloses a combustion furnace for material detection, which comprises a furnace end and a furnace body, wherein the furnace end is arranged above the furnace body, the furnace end and the furnace body form a closed cavity structure with a downward opening, and an induction heating coil is wound outside the furnace body; the lower end of the furnace body is provided with a furnace base, and the furnace base is provided with an air outlet channel communicated with the furnace body; the crucible feeding device is characterized in that a base is arranged below the furnace body, a crucible bracket is arranged on the base and used for arranging a crucible, the base can move up and down to feed the crucible into the furnace body, and the base can form plugging on an opening at the lower end of the furnace body while feeding the crucible into the furnace body. This fires burning furnace simple structure adopts induction heating coil to realize the heating to the interior sample of crucible, when heating the crucible, sets up heat-generating body pottery above the crucible, realizes the all-round heating to the interior sample of crucible, makes the sample can obtain abundant burning, has guaranteed the precision that detects.
Description
Technical Field
The invention relates to the technical field of material detection equipment, in particular to a combustion furnace for a high-frequency infrared carbon-sulfur analyzer.
Background
An infrared carbon and sulfur analyzer is a detection device for detecting the content of carbon and sulfur elements in a sample, and is widely used for detecting the carbon and sulfur elements of various materials at present. During detection, carbon and sulfur in a sample are heated at high temperature under the condition of oxygen enrichment to generate carbon dioxide and sulfur dioxide gas, the gas enters a corresponding absorption cell after being processed to absorb corresponding infrared radiation light, the absorbed infrared radiation light is incident on a detector and is converted into an electric signal by the detector, and the content of carbon and sulfur in the material can be obtained through computer processing.
When an existing infrared carbon-sulfur analyzer detects a sample, the sample to be detected needs to be placed into a crucible, and then the crucible is sent into a combustion furnace to be heated at a high temperature. The high-frequency induction heating mode is to heat a sample by generating induction current through the oscillation of a high-frequency oscillation circuit, and is widely applied to the heating of a combustion furnace for material detection at present and is a high-frequency furnace. The sample in the high-frequency furnace can be efficiently combusted, so that carbon dioxide and sulfur dioxide can be released to the maximum extent. However, the existing high-frequency furnace is complex in structure, and the sample in the crucible is heated unevenly because the sample is not placed uniformly in the crucible, so that the sample cannot be combusted sufficiently, and the measurement result is influenced.
Disclosure of Invention
The invention aims to solve the technical problems of the existing combustion furnace, and provides a combustion furnace for material detection, which adopts a high-frequency induction heating mode for heating, has a simple structure, and solves the problem of uneven heating process while realizing sufficient heating of a sample.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a combustion furnace for material detection comprises a furnace end and a furnace body, wherein the furnace end is arranged above the furnace body, the furnace end and the furnace body form a closed cavity structure with a downward opening, an induction heating coil is wound outside the furnace body, the furnace end comprises an end cover arranged at the upper end of the furnace body and a fixed seat arranged on the end cover, an air inlet valve and an air inlet channel are arranged on the fixed seat, the air inlet valve is connected to the air inlet channel, a guide rod is arranged at the lower end of the fixed seat, an air blowing channel is arranged on the guide rod and communicated with the air inlet channel, and a cover plate is fixedly arranged; the lower end of the furnace body is provided with a furnace base, and the furnace base is provided with an air outlet channel communicated with the furnace body; the crucible furnace is characterized in that a base is arranged below the furnace body, a crucible bracket is arranged on the base and used for arranging a crucible, the base can move up and down to send the crucible into the furnace body, the base can form a plug for an opening at the lower end of the furnace body when sending the crucible into the furnace body, the furnace base is arranged between the furnace body and the base, a sealing mechanism capable of sealing the opening between the furnace body and the base is arranged on the furnace base, and a notch used for communicating the furnace body and an air outlet channel is formed in the end part of the lower end of the furnace body.
In the above technical scheme, further, an air cylinder is arranged above the fixing base, a guide block and a cleaning brush are sleeved on the guide rod, the cleaning brush is fixedly connected to the guide block, the guide block can slide up and down along the guide rod, the cleaning brush is matched with the inner wall of the furnace body, two guide holes are arranged on the fixing base, guide pillars are respectively arranged in the guide holes, one end of each guide pillar is connected with a piston rod of the air cylinder, and the other end of each guide pillar extends into the furnace body and is connected with the guide block.
In the above technical solution, further, the cover plate is made of heating body ceramics.
Among the above-mentioned technical scheme, furtherly, sealing mechanism is including setting up the sealing lip at furnace base inner wall upper end and lower extreme respectively, be provided with the sealing ring in the sealing lip respectively.
The invention has the following beneficial effects: this fires burning furnace simple structure adopts induction heating coil to realize the heating to the interior sample of crucible, when heating the crucible, sets up heat-generating body pottery above the crucible, realizes the all-round heating to the interior sample of crucible, makes the sample can obtain abundant burning, has guaranteed the precision that detects.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. the furnace comprises a furnace end, 101, an end cover, 102, a fixed seat, 2, a furnace body, 201, a notch, 3, a cylinder, 4, an air inlet valve, 5, an air inlet channel, 6, a guide rod, 7, an air blowing channel, 8, a guide block, 9, a cleaning brush, 10, a cover plate, 11, a guide column, 12, an induction heating coil, 13, a crucible, 14, a crucible bracket, 15, a base, 16, a furnace seat, 17, a sealing lip, 18, a sealing ring, 19 and an air outlet channel.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the combustion furnace for material detection in this embodiment includes a furnace head 1 and a furnace body 2, where the furnace head 1 is disposed above the furnace body 2, and the furnace head 1 and the furnace body 2 form a closed cavity structure with a downward opening.
An induction heating coil 12 is wound outside the furnace body 2, and a sample in the furnace body is heated in an induction heating mode.
The furnace end 1 comprises an end cover 101 arranged at the upper end of the furnace body 2 and a fixed seat 102 arranged on the end cover, wherein an air inlet valve 4 and an air inlet channel 5 are arranged on the fixed seat 102, and the air inlet valve 4 is connected to the air inlet channel 5. The air inlet valve is connected with oxygen, and the oxygen is conveyed to the sample in the furnace body through the air inlet valve and the air inlet channel, so that the sample can be fully combusted in an oxygen-enriched environment. In this embodiment, the cylinder 3 is arranged above the fixing seat 102, the guide rod 6 is sleeved with the guide block 8 and the cleaning brush 9, the cleaning brush 9 is fixedly connected to the guide block 8, the guide block 8 can slide up and down along the guide rod 6, the cleaning brush 9 is matched with the inner wall of the furnace body, the fixing seat 102 is provided with two guide holes, guide pillars 11 are respectively arranged in the guide holes, one end of each guide pillar 11 is connected with the piston rod of the cylinder 3, and the other end of each guide pillar 11 extends into the furnace body 2 and is connected with the guide block 8. The guide block is pushed by the cylinder to slide up and down on the guide rod, and the guide block drives the cleaning brush to clean the inner wall of the furnace body in the up-and-down sliding process. And a sealing ring is arranged between the guide pillar and the guide hole to seal the furnace body.
The lower end of the fixed seat 102 is provided with a guide rod 6, the guide rod 6 is provided with an air blowing channel 7, the air blowing channel 7 is communicated with the air inlet channel 5, and the other end of the guide rod 6 is fixedly provided with a cover plate 10. Oxygen enters the blowing channel through the air inlet channel, through holes communicated with the blowing channel are also formed in the end cover, and the oxygen enters the crucible through the through holes in the end cover to form an oxygen-enriched environment in the crucible; in this embodiment, the cover plate 10 is made of a heating element ceramic. When the sample in the crucible is heated, the cover plate covers the crucible, and when the sample is heated, the heating body ceramic is heated simultaneously to heat the sample in the crucible, so that the sample in the crucible is heated in an all-around manner, the sample in the furnace body can be heated fully and uniformly, and the sample can be combusted fully in an oxygen-enriched environment.
The lower end of the furnace body 2 is provided with a furnace base 16, the furnace base 16 is provided with an air outlet channel 19 communicated with the furnace body, the air outlet channel is transversely arranged on the furnace base, and the furnace base sleeve is arranged at the lower end of the furnace body. The crucible furnace is characterized in that a base 15 is arranged below the furnace body 2, a crucible bracket 14 is arranged on the base 15, the crucible bracket 14 is used for arranging a crucible 13, the base 15 can move up and down to send the crucible into the furnace body, the base 15 seals an opening at the lower end of the furnace body when sending the crucible into the furnace body, a furnace base 16 is arranged between the furnace body 2 and the base 15, a sealing mechanism capable of sealing the opening between the furnace body and the base is arranged on the furnace base 16, and a notch 201 used for communicating the furnace body and an air outlet channel is arranged at the end part of the lower end of the furnace body 2. At the moment, the lower end of the furnace body is sealed and sealed by the base and the furnace base, so that a sealed space is formed by the furnace body, gas and unburnt oxygen generated by the sufficient combustion of the sample in the furnace body enter the gas outlet channel through the notch on the furnace body and enter the absorption cell of the carbon-sulfur analyzer through the gas outlet channel for absorption, and the detection of the carbon and sulfur contents in the sample is realized.
Preferably, the sealing mechanism in this embodiment comprises sealing lips 17 respectively disposed at the upper end and the lower end of the inner wall of the oven base, and sealing rings 18 respectively disposed inside the sealing lips 17. The sealing ring is made of high-temperature-resistant sealing materials, the sealing ring at the upper end of the inner wall of the furnace base forms sealing with the furnace body, and the sealing ring at the lower end of the inner wall of the furnace base forms sealing with the base, so that the furnace body is well sealed through the base and the furnace base.
The present specification and figures are to be regarded as illustrative rather than restrictive, and it is intended that all such alterations and modifications that fall within the true spirit and scope of the invention, and that all such modifications and variations are included within the scope of the invention as determined by the appended claims without the use of inventive faculty.
Claims (4)
1. A furnace for material testing, comprising: the induction heating furnace comprises a furnace end and a furnace body, wherein the furnace end is arranged above the furnace body, the furnace end and the furnace body form a closed cavity structure with a downward opening, an induction heating coil is wound outside the furnace body, the furnace end comprises an end cover arranged at the upper end of the furnace body and a fixed seat arranged on the end cover, an air inlet valve and an air inlet channel are arranged on the fixed seat, the air inlet valve is connected to the air inlet channel, a guide rod is arranged at the lower end of the fixed seat, an air blowing channel is arranged on the guide rod and communicated with the air inlet channel, and; the lower end of the furnace body is provided with a furnace base, and the furnace base is provided with an air outlet channel communicated with the furnace body; the crucible furnace is characterized in that a base is arranged below the furnace body, a crucible bracket is arranged on the base and used for arranging a crucible, the base can move up and down to send the crucible into the furnace body, the base can form a plug for an opening at the lower end of the furnace body when sending the crucible into the furnace body, the furnace base is arranged between the furnace body and the base, a sealing mechanism capable of sealing the opening between the furnace body and the base is arranged on the furnace base, and a notch used for communicating the furnace body and an air outlet channel is formed in the end part of the lower end of the furnace body.
2. The combustion furnace for material detection as recited in claim 1, wherein: the cleaning device is characterized in that an air cylinder is arranged above the fixed seat, a guide block and a cleaning brush are sleeved on the guide rod, the cleaning brush is fixedly connected to the guide block, the guide block can slide up and down along the guide rod, the cleaning brush is matched with the inner wall of the furnace body, two guide holes are formed in the fixed seat, guide pillars are respectively arranged in the guide holes, one end of each guide pillar is connected with a piston rod of the air cylinder, and the other end of each guide pillar extends into the furnace body and is connected with the.
3. The combustion furnace for material detection as recited in claim 1, wherein: the cover plate is made of heating body ceramics.
4. The combustion furnace for material detection as recited in claim 1, wherein: the sealing mechanism comprises sealing lips which are respectively arranged at the upper end and the lower end of the inner wall of the furnace base, and sealing rings are respectively arranged in the sealing lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756622.5A CN110716006A (en) | 2018-07-11 | 2018-07-11 | Combustion furnace for material detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756622.5A CN110716006A (en) | 2018-07-11 | 2018-07-11 | Combustion furnace for material detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110716006A true CN110716006A (en) | 2020-01-21 |
Family
ID=69208946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810756622.5A Pending CN110716006A (en) | 2018-07-11 | 2018-07-11 | Combustion furnace for material detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110716006A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587809A (en) * | 2004-08-03 | 2005-03-02 | 上海德凯仪器有限公司 | Burning device of infrared carbon-sulphur analyzer |
| CN203530495U (en) * | 2013-11-14 | 2014-04-09 | 乐山新天源太阳能科技有限公司 | Polycrystalline silicon ingot casting device |
| CN206399824U (en) * | 2016-12-30 | 2017-08-11 | 南京麒麟科学仪器集团有限公司 | Coreless induction furnace and infrared carbon sulfur analyzer |
| CN207066983U (en) * | 2017-08-14 | 2018-03-02 | 四川赛恩思仪器有限公司 | A kind of combustion furnace of fast assembling-disassembling burner |
| CN207574663U (en) * | 2017-11-22 | 2018-07-06 | 南阳师范学院 | A kind of jewellery finishing heating unit |
-
2018
- 2018-07-11 CN CN201810756622.5A patent/CN110716006A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587809A (en) * | 2004-08-03 | 2005-03-02 | 上海德凯仪器有限公司 | Burning device of infrared carbon-sulphur analyzer |
| CN203530495U (en) * | 2013-11-14 | 2014-04-09 | 乐山新天源太阳能科技有限公司 | Polycrystalline silicon ingot casting device |
| CN206399824U (en) * | 2016-12-30 | 2017-08-11 | 南京麒麟科学仪器集团有限公司 | Coreless induction furnace and infrared carbon sulfur analyzer |
| CN207066983U (en) * | 2017-08-14 | 2018-03-02 | 四川赛恩思仪器有限公司 | A kind of combustion furnace of fast assembling-disassembling burner |
| CN207574663U (en) * | 2017-11-22 | 2018-07-06 | 南阳师范学院 | A kind of jewellery finishing heating unit |
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Application publication date: 20200121 |
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