CN105890364B - Methane reformer device of gas chromatograph - Google Patents
Methane reformer device of gas chromatograph Download PDFInfo
- Publication number
- CN105890364B CN105890364B CN201510009534.5A CN201510009534A CN105890364B CN 105890364 B CN105890364 B CN 105890364B CN 201510009534 A CN201510009534 A CN 201510009534A CN 105890364 B CN105890364 B CN 105890364B
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- Prior art keywords
- stainless steel
- transformant
- hole
- heat preservation
- cylinder
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- 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.)
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 38
- 239000010935 stainless steel Substances 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 24
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 13
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Abstract
A methane reformer device of a gas chromatograph belongs to the technical field of analysis and test instruments. The cylindrical metal heating block is fixed on a fixed plate in the stainless steel heat-preserving cylinder, two stainless steel heating rods and a platinum thermal resistor are placed in the heating block, a lead wire of the platinum thermal resistor penetrates out of a right wire outlet hole of the heat-preserving cylinder, and the lead wires of the two stainless steel heating rods are connected in parallel; a hydrogenation pipe welded around ten small circles and a transformant filled with a nickel catalyst are put into a transformant hole of a heating block from the lower side of a heat preservation cylinder, the hydrogenation pipe penetrates out from a left wire outlet hole through an assembly hole on a fixing plate of the heat preservation cylinder, a stainless steel flat pad is penetrated into the upper head of the transformant, and the stainless steel flat pad is screwed on the heating block by a stainless steel nut; filling heat preservation cotton, tightly covering the upper end and the lower end of the heat preservation cylinder by using a self-tightening stainless steel heat preservation cylinder cover with a mounting hole, and extending the two ends of the transformant from the mounting hole. Solves the problems of complex and unreasonable structure, inconvenient installation and maintenance, easy air leakage and the like of the methane reformer device of the gas chromatograph.
Description
Technical Field
The invention belongs to the technical field of analysis and test instruments, and relates to a structural design of a methane reformer of a gas chromatograph.
Background
Analysis of CO and CO by gas chromatograph 2 When the hydrogen flame detector is not used for detecting the hydrogen flame, the hydrogen flame detector is usually used for detecting the hydrogen flame by a thermal conductivity cell detector, but trace CO and CO are analyzed 2 When the sensitivity of the thermal conductivity cell detector is low and cannot be detected, trace CO and CO are required to pass through the methane reformer device 2 After conversion to methane, it is detected by a high sensitivity hydrogen flame detector. Therefore, the performance of the methane reformer device directly influences the conversion rate and the accuracy of analysis results. The existing methane reformer has complex and unreasonable structure, difficult installation and replacement of the reformer tube, and easy air leakage, which results in poor accuracy of analysis results.
Disclosure of Invention
The invention provides a methane reformer device of a gas chromatograph, which is characterized in that: the cylindrical metal heating block is fixed on a fixed plate in the stainless steel heat-preserving cylinder, two stainless steel heating rods and a platinum thermal resistor are placed in the heating block, a lead wire of the platinum thermal resistor penetrates out of a right wire outlet hole of the heat-preserving cylinder, and the lead wires of the two stainless steel heating rods are connected in parallel; a hydrogenation pipe welded around ten small circles and a transformant filled with a nickel catalyst are put into a transformant hole of a heating block from the lower side of a heat preservation cylinder, the hydrogenation pipe penetrates out from a left wire outlet hole through an assembly hole on a fixing plate of the heat preservation cylinder, a stainless steel flat pad is penetrated into the upper head of the transformant, and the stainless steel flat pad is screwed on the heating block by a stainless steel nut; filling heat preservation cotton, tightly covering the upper end and the lower end of the heat preservation cylinder by using a self-tightening stainless steel heat preservation cylinder cover with a mounting hole, and extending the two ends of the transformant from the mounting hole.
The invention has the beneficial effects that: solves the problems of complicated and unreasonable structure, inconvenient installation and maintenance, easy air leakage and the like of the methane reformer device of the gas chromatograph, improves the conversion efficiency and accuracy, has simple process and simple installation, and can directly replace the nickel catalyst without disassembly.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the structure of the heat-preserving cylinder.
Fig. 2 is a schematic view of the structure of the heat insulation cylinder cover of the invention.
FIG. 3 is a schematic diagram of a heating block according to the present invention.
FIG. 4 is a schematic diagram of the structure of a transformant according to the present invention.
FIG. 5 is a schematic diagram of the structure of a welded hydrogenation tube and nickel catalyst-loaded transformant according to the present invention.
Fig. 6 is a schematic diagram of the overall structure of the present invention.
In the drawings, 1, a heat insulation cylinder, 2, a right wire outlet, 3, a left wire outlet, 4, a folding foot, 5, a fixing plate, 6, a support column, 7, an assembly hole, 8, a heat insulation cylinder cover, 9, a mounting hole, 10, a heating block, 11, a converter hole, 12, a heating rod hole, 13, a platinum thermal resistor hole, 14, a converter groove, 15, a wire hole, 16, a small arc angle, 17, a converter, 18, a central hole, 19, an upper horn mouth, 20, a lower horn mouth, 21, a back cutter groove 1, 22, an outer screw thread 1, 23, a cylinder, 24, a back cutter groove 2, 25, an outer screw thread 2, 26, a hexagon body, 27, a counter bore, 28, a small hole, 29, a small spring ring, 30, a hydrogenation pipe, 31, a stainless steel net, 32, a nickel catalyst, 33, a screw, 34, a heating rod, 35, a platinum resistor, 36, a wire, 37, a parallel connection, 38, a flat pad, 39, a nut, 40, thermal insulation cotton
Detailed Description
In the specific embodiment of the heat preservation cylinder, as shown in the figure 1, a stainless steel cylinder with the wall thickness of 1mm is adopted to manufacture the heat preservation cylinder (1), a right wire outlet hole (2) is drilled in the middle right side, and a left wire outlet hole (3) is drilled in the left side; a stainless steel circular plate with four corners provided with folding legs (4) is used as a fixed plate (5), four support columns (6) with holes are riveted on the same circumference, the support columns are mutually vertical, two assembly holes (7) are drilled, and the lower inner part of the stainless steel tube is welded at the folding legs (4). The stainless steel cylinder with the wall thickness of 1mm is a decorative material with neat appearance, has low price, can be directly cut, saves labor and time, and does not waste materials.
In the specific embodiment of the heat-insulating cylinder cover, as shown in figure 2, a heat-insulating cylinder cover (8) is manufactured by adopting a formed self-tightening stainless steel cover matched with a heat-insulating cylinder, and a mounting hole (9) is drilled in the center and is respectively processed into an upper cover and a lower cover. The formed self-tightening stainless steel cover is formed by large-batch stamping, is high in quality and low in cost, and is directly purchased.
In the specific embodiment of the heating block, as shown in fig. 3, a cylindrical metal material is adopted to manufacture the heating block (10), and a through hole is drilled in the center of a circular surface to be used as a transformant hole (11); drilling two heating rod holes (12) on one side of the upper cylindrical surface, and drilling a platinum thermal resistance hole (13) between the two heating rod holes (12); milling a transformant groove (14) at the lower end of the transformant hole (11), drilling four wire holes (15) on the same circumference, wherein the wire holes are mutually perpendicular and matched with the four support columns (6) with holes; the upper and lower edges of the cylinder are each guided by a small arc angle (16).
In the specific embodiment of the transformant, as shown in fig. 4, a hexagonal stainless steel rod is adopted to manufacture the transformant (17), a central hole (18) is drilled, and two ends of the central hole (18) are processed into an upper bell mouth (19) and a lower bell mouth (20) with 60 degrees; an outer screw thread 1 (22) with a cutter return groove 1 (21) and a cylinder (23) are processed at the upper end, an outer screw thread 2 (25) with a cutter return groove 2 (24) is processed at the lower end, a hexagonal body (26) is reserved near the outer screw thread 2 (25), and a small hole (28) with a counter bore (27) communicated with the center hole (18) is drilled on one surface of the hexagonal body (26).
In the concrete embodiment of the welded hydrogenation pipe and the nickel catalyst-loaded transformant, as shown in fig. 5, a stainless steel pipe is adopted to wind around ten circles of small spring rings (29) to manufacture a hydrogenation pipe (30), and the hydrogenation pipe is welded in a counter bore (27) of the transformant (17); the lower end of the central hole (18) is blocked by a thin stainless steel net (31), and the upper end of the central hole (18) is blocked by the thin stainless steel net after the nickel catalyst (32) is filled in the upper bell mouth (19) of the central hole (18).
In the integral embodiment of the methane reformer device of the gas chromatograph, as shown in fig. 6, a cylindrical metal heating block (10) is fixed on four support columns (6) with holes on a fixing plate (5) in a heat preservation cylinder (1) through four wire holes (15) on the heating block (10) by four screws (33), one stainless steel heating rod (34) is respectively placed in two heating rod holes (12) in the heating block (10), one platinum thermal resistor (35) is placed in a platinum thermal resistor hole (13), and leads (36) of the platinum thermal resistor penetrate out from a right wire outlet hole (2) of the heat preservation cylinder (1), and the leads of the two stainless steel heating rods (34) are connected in parallel (37); the method comprises the steps that a welded hydrogenation tube (30) and a transformant (17) provided with a nickel catalyst (32) are placed into a transformant hole (11) of a heating block (10) from the lower surface of a heat preservation cylinder (1), and a small spring ring (29) of the hydrogenation tube (30) penetrates into an assembly hole (7) on a fixing plate (5) of the heat preservation cylinder (1) and penetrates out from a left wire outlet hole (3); threading a stainless steel flat pad (38) through the outer thread 1 (22) on the transformant (17) and screwing the stainless steel flat pad on the heating block (10) by using a stainless steel nut (39); the heat preservation cotton (40) is filled, the upper end and the lower end of the heat preservation cylinder (1) are tightly covered by a self-tightening stainless steel heat preservation cylinder cover (8) with a mounting hole (9), and the two ends of the transformant (17) extend out from the mounting hole (9).
Claims (1)
1. A methane reformer device of a gas chromatograph is characterized in that: a cylindrical metal heating block is fixed on a fixed plate in a stainless steel heat-preserving cylinder, a through hole is drilled in the center of the round surface of the heating block to serve as a transformant hole, a stepped transformant groove is milled at the lower end of the transformant hole, two stainless steel heating rods and a platinum thermal resistor are placed in the heating block, a lead wire of the platinum thermal resistor penetrates out of a right wire outlet hole of the heat-preserving cylinder, and the lead wires of the two stainless steel heating rods are connected in parallel; adopting a hexagonal stainless steel rod to manufacture a transformant, processing a section of outer screw thread 1 and a section of cylinder at the upper end, processing a section of outer screw thread 2 at the lower end, and reserving a section of hexagonal body at the position close to the outer screw thread 2, wherein the outer diameter of the hexagonal body is larger than the outer diameter of the cylinder and is matched with a transformant groove; a hydrogenation pipe welded with ten small circles and a transformant filled with nickel catalyst are put into a transformant hole of a heating block from the lower side of a heat preservation cylinder, the hydrogenation pipe passes through an assembly hole on a fixing plate of the heat preservation cylinder and passes out from a left wire outlet hole, a stainless steel flat pad is penetrated into the upper head of the transformant and is screwed on the heating block by a stainless steel nut; filling heat preservation cotton, tightly covering the upper end and the lower end of the heat preservation cylinder by using a self-tightening stainless steel heat preservation cylinder cover with a mounting hole, and extending the two ends of the transformant from the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009534.5A CN105890364B (en) | 2015-01-02 | 2015-01-02 | Methane reformer device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009534.5A CN105890364B (en) | 2015-01-02 | 2015-01-02 | Methane reformer device of gas chromatograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890364A CN105890364A (en) | 2016-08-24 |
| CN105890364B true CN105890364B (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510009534.5A Active CN105890364B (en) | 2015-01-02 | 2015-01-02 | Methane reformer device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890364B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003344374A (en) * | 2002-05-29 | 2003-12-03 | Saika Gijutsu Kenkyusho | Sample injection port of gas chromatograph |
| CN2648446Y (en) * | 2003-09-09 | 2004-10-13 | 上海天美科学仪器有限公司 | Gas chromatography with mini-inversion stove |
| CN201495093U (en) * | 2009-09-15 | 2010-06-02 | 中国科学院兰州地质研究所 | High-temperature heat converter |
| JP2010216850A (en) * | 2009-03-13 | 2010-09-30 | Shimadzu Corp | Detector for gas chromatography |
| CN103157408A (en) * | 2011-12-14 | 2013-06-19 | 大唐国际化工技术研究院有限公司 | High temperature methanation reactor |
| CN203090876U (en) * | 2013-03-06 | 2013-07-31 | 厦门百得沃智能科技有限公司 | High-pressure catalytic reactor |
| CN103837623A (en) * | 2012-11-23 | 2014-06-04 | 大连方达理化环境科技有限公司 | Short-chain chlorinated paraffin online hydrogenation unit combined with gas chromatograph and application thereof |
| CN204514036U (en) * | 2015-01-02 | 2015-07-29 | 山东鲁南瑞虹化工仪器有限公司 | A kind of gas chromatograph methane conversion furnace apparatus |
-
2015
- 2015-01-02 CN CN201510009534.5A patent/CN105890364B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003344374A (en) * | 2002-05-29 | 2003-12-03 | Saika Gijutsu Kenkyusho | Sample injection port of gas chromatograph |
| CN2648446Y (en) * | 2003-09-09 | 2004-10-13 | 上海天美科学仪器有限公司 | Gas chromatography with mini-inversion stove |
| JP2010216850A (en) * | 2009-03-13 | 2010-09-30 | Shimadzu Corp | Detector for gas chromatography |
| CN201495093U (en) * | 2009-09-15 | 2010-06-02 | 中国科学院兰州地质研究所 | High-temperature heat converter |
| CN103157408A (en) * | 2011-12-14 | 2013-06-19 | 大唐国际化工技术研究院有限公司 | High temperature methanation reactor |
| CN103837623A (en) * | 2012-11-23 | 2014-06-04 | 大连方达理化环境科技有限公司 | Short-chain chlorinated paraffin online hydrogenation unit combined with gas chromatograph and application thereof |
| CN203090876U (en) * | 2013-03-06 | 2013-07-31 | 厦门百得沃智能科技有限公司 | High-pressure catalytic reactor |
| CN204514036U (en) * | 2015-01-02 | 2015-07-29 | 山东鲁南瑞虹化工仪器有限公司 | A kind of gas chromatograph methane conversion furnace apparatus |
Non-Patent Citations (1)
| Title |
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| 岳保珍.《有机合成基础》.北京医科大学、中国协和医科大学联合出版社,2000,第107至111页. * |
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| Publication number | Publication date |
|---|---|
| CN105890364A (en) | 2016-08-24 |
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