CN103760284A - Chromatographic column heating device - Google Patents
Chromatographic column heating device Download PDFInfo
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- CN103760284A CN103760284A CN201310754095.1A CN201310754095A CN103760284A CN 103760284 A CN103760284 A CN 103760284A CN 201310754095 A CN201310754095 A CN 201310754095A CN 103760284 A CN103760284 A CN 103760284A
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- chromatographic column
- heating
- temperature
- heating module
- circulating fan
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Abstract
The invention relates to a chromatographic column heating device, which belongs to the field of an online monitoring technology of a transformer oil chromatograph. The chromatographic column heating device comprises a chromatographic column, a heating module, a circulating fan and a thermal box body which contains the chromatographic column, the heating module and the circulating fan, wherein the circulating an is arranged between the chromatographic column and the heating module. When the chromatographic column heating device works, the heat in the heating module is released rapidly by the circulating fan, the airflow is rotated in the box body by the rotation of the fan, the temperature in the whole box body is even, and therefore the function of temperature increment of the chromatographic column is achieved; because the thermal manner is adopted to the box body, the temperature variation in the box body is smaller, and the beneficial effects of uniform temperature on the chromatographic column are realized.
Description
Technical field
The invention belongs to transformer oil chromatographic on-line monitoring technique field, relate in particular to a kind of chromatographic column heating arrangement.
Background technology
At present, in transformer oil chromatographic on-line monitoring manufacturing, all chromatographic columns are to be all wrapped on heating aluminium ingot, by heating rod, aluminium ingot is heated, the mode by aluminium ingot, heat being delivered in chromatographic column again completes, therefore adopt original manufacturing process, exist a lot of shortcomings, the position that as inhomogeneous in parts heating-up temperature, heating rod easily burns, chromatographic column is wound around can not accurately be controlled at the region of heating.
Specifically, in transformer online monitoring field, from following several aspects, give an example, 1. heat inhomogeneous, the good aluminium of conduction that conventional production technology is chosen, by punching the heating rod of certain power be inserted in aluminium on aluminium, but can not reach the perfect condition that makes aluminium material surface temperature equalization far away from actual situation heating state, due in process, aluminium can not be punched intensive, add a lot of heating rods, perforate is many, to the intensity of aluminium, also can exert an influence, there is uncertain factor, and described PTC heating module, by ceramic heating assembly and ripple aluminum strip, formed through high temperature is gluing, there is thermal resistance little, the advantage that heat exchange efficiency is high, it is a kind of automatic constant-temperature, the electric heater of power saving, 2. heating rod easily burns, common heating rod, aspect raw-material selection, nationwide examination for graduation qualification is considered a lot, but in installation process, consider the power problem of heating rod, power difference can make aluminium ingot surface heating inhomogeneous, also can non-uniform temperature thereby be heated parts, affect function, if heating rod is long-time exposed in air again, rising due to temperature, it can be its surface oxidation, finally that heating rod short circuit is burnt, do not reach the function of heating, and its a large outstanding feature of PTC heating module is in security performance, under any applicable cases, all can not produce as the surface of electric heating tubing well heater " rubescent " phenomenon, thereby cause scald, short circuit, the potential safety hazards such as fire.3. parts winding position is difficult to control, and because each parts is that machining forms, machine is opened by people, after through installing additional, be difficult to guarantee that parts can be fitted in the surface of aluminium ingot very stably, if it is not in place to fit, there will be equally above-mentioned heating non-uniform phenomenon.
Summary of the invention
For above-mentioned technical matters, the invention provides a kind of efficiency of heating surface, improving product chromatographic column heating arrangement in serviceable life that improves.
For solving the problems of the technologies described above, the technical scheme that chromatographic column heating arrangement of the present invention adopts is, chromatographic column heating arrangement comprises chromatographic column, heating module, circulating fan and holds a thermal-insulating body for described chromatographic column, heating module, circulating fan, and described circulating fan is between chromatographic column and heating module.
During chromatographic column heating arrangement work of the present invention, by circulating fan, the heat in heating module is discharged fast, utilize the rotation of fan that air-flow is rotated in casing, make the temperature of whole box house reach even, thereby reach the function that chromatogram column temperature promotes, casing adopts heat preserving mode, makes box house temperature variation less, makes temperature in chromatographic column reach balanced beneficial effect.
Accompanying drawing explanation
Fig. 1 is chromatographic column heating arrangement structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is made and being further illustrated.
As shown in the figure, chromatographic column heating arrangement of the present invention comprises chromatographic column 4, heating module 1, circulating fan 2 and holds the thermal-insulating body 5 of described chromatographic column, heating module, circulating fan, and described circulating fan is between chromatographic column and heating module.
As preferably; described heating module is PTC heating module; adopt PTC heating module; the design heating-up temperature of this heating module body is at the multiscale below 200 degrees Celsius; body is all not rubescent and have a protecting insulating layer in any case; any application scenario does not all need the processing of lowering the temperature of the heat-barrier materials such as asbestos, can relieved use do not exist human body scalded and the problem of initiation fire, to environment without any pollution.Described heating module is comprised of through high temperature is gluing ceramic heating assembly and ripple aluminum strip, belongs to matured product.
Chromatographic column heating arrangement of the present invention, mounting process comprises the following steps:
A) choose PTC heating module and the circulating fan of suitable power, be arranged in special thermal-insulating body, the power lead on heating module is drawn simultaneously;
B) temp probe 3 is arranged on to the side of measured object, lead-in wire is drawn;
C) according to chromatographic principles, chromatographic column is arranged on to 5CM place, circulating fan below, needs to fix, one end of chromatographic column is connected to gas sensor, and the other end is connected to the import of six-way valve;
D), in installation process, should be noted the mode of connection of power lead, solid-state relay, temperature controller, temp probe;
E) finally check that whether each link exists gas leakage, covers casing.
For practical function, distance between described circulating fan and chromatographic column is 5cm, by circulating fan, the heat in heating module is discharged fast, utilize the rotation of fan that air-flow is rotated in casing, thereby control the temperature of box house in setting the scope requiring, make whole interior environment temperature reach balanced, thereby make internal part temperature equalization, and traditional type of heating is first aluminium ingot surface temperature to be risen, but due to aluminium ingot can not satisfied temperature as heater block equilibrium, so be also difficult to reach balanced in the part temperatures of heating.Chromatographic column heating arrangement of the present invention adopts thermal-insulating body, and assurance casing internal temperature is poor is ± 0.1 ℃, and described temperature controller need be used in conjunction with by temp probe and solid-state relay.
On process issues, the PTC heating module that the present invention adopts and circulating fan are used in conjunction with that to reach box house temperature even, cause heater block temperature even, rather than rely on heating rod heating aluminium ingot transferring heat to heater block, so can greatly reduce on material cost, product machining period.And adopt unsettled heating process only need to give full play to the effect of each components and parts, do not need to carry out any outer processing, direct-assembling, increases work efficiency.
Adopt chromatographic column heating arrangement of the present invention, in transformer oil chromatographic on-line monitoring field, can not have unstability of base line stable condition, also can not cause because of unstability of base line the phenomenon of the precise decreasing of product; The present invention also has the advantages such as production cost is low, with short production cycle.
The description of above embodiment is comparatively concrete, detailed; but can not therefore be interpreted as the restriction to this patent scope; it should be noted that; for the person of ordinary skill of the art; without departing from the inventive concept of the premise; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (3)
1. a chromatographic column heating arrangement, is characterized in that: comprise chromatographic column, heating module, circulating fan and hold the thermal-insulating body of described chromatographic column, heating module, circulating fan, described circulating fan is between chromatographic column and heating module.
2. chromatographic column heating arrangement according to claim 1, is characterized in that: described heating module is ptc heater.
3. according to chromatographic column heating arrangement described in claim 1 or 2, it is characterized in that: the distance between described circulating fan and chromatographic column is 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754095.1A CN103760284A (en) | 2013-12-31 | 2013-12-31 | Chromatographic column heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754095.1A CN103760284A (en) | 2013-12-31 | 2013-12-31 | Chromatographic column heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103760284A true CN103760284A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754095.1A Pending CN103760284A (en) | 2013-12-31 | 2013-12-31 | Chromatographic column heating device |
Country Status (1)
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| CN (1) | CN103760284A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348931A (en) * | 2015-11-09 | 2016-02-24 | 江苏有能电力自动化有限公司 | High-efficiency chromatography heating device |
| CN110632233A (en) * | 2019-10-24 | 2019-12-31 | 上海裕达实业有限公司 | Constant temperature chromatographic device |
| CN114608935A (en) * | 2022-03-28 | 2022-06-10 | 武汉大学 | Rock multi-field coupling loading test system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU754305A2 (en) * | 1978-04-27 | 1980-08-07 | Sp K B Gazovoj Khromatografii | Chromatograph |
| US4305276A (en) * | 1979-05-25 | 1981-12-15 | Siemens Aktiengesellschaft | Temperature controlled oven chamber for gas chromatography |
| US5837883A (en) * | 1996-06-27 | 1998-11-17 | Shimadzu Corporation | Gas chromatograph/mass spectrometer |
| CN101762661A (en) * | 2010-01-28 | 2010-06-30 | 靳斌 | Chromatographic column box and gas chromatographer thereof |
| CN102489279A (en) * | 2011-11-24 | 2012-06-13 | 河南中分仪器股份有限公司 | Chromatographic column activation device |
-
2013
- 2013-12-31 CN CN201310754095.1A patent/CN103760284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU754305A2 (en) * | 1978-04-27 | 1980-08-07 | Sp K B Gazovoj Khromatografii | Chromatograph |
| US4305276A (en) * | 1979-05-25 | 1981-12-15 | Siemens Aktiengesellschaft | Temperature controlled oven chamber for gas chromatography |
| US5837883A (en) * | 1996-06-27 | 1998-11-17 | Shimadzu Corporation | Gas chromatograph/mass spectrometer |
| CN101762661A (en) * | 2010-01-28 | 2010-06-30 | 靳斌 | Chromatographic column box and gas chromatographer thereof |
| CN102489279A (en) * | 2011-11-24 | 2012-06-13 | 河南中分仪器股份有限公司 | Chromatographic column activation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348931A (en) * | 2015-11-09 | 2016-02-24 | 江苏有能电力自动化有限公司 | High-efficiency chromatography heating device |
| CN110632233A (en) * | 2019-10-24 | 2019-12-31 | 上海裕达实业有限公司 | Constant temperature chromatographic device |
| CN114608935A (en) * | 2022-03-28 | 2022-06-10 | 武汉大学 | Rock multi-field coupling loading test system and method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |