CN202057635U - Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil - Google Patents

Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil Download PDF

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Publication number
CN202057635U
CN202057635U CN2011201571717U CN201120157171U CN202057635U CN 202057635 U CN202057635 U CN 202057635U CN 2011201571717 U CN2011201571717 U CN 2011201571717U CN 201120157171 U CN201120157171 U CN 201120157171U CN 202057635 U CN202057635 U CN 202057635U
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CN
China
Prior art keywords
heat
heating
gas chromatography
gas
insulation layer
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Expired - Lifetime
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CN2011201571717U
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Chinese (zh)
Inventor
谢奇峰
唐平
张建学
禚莉
陈正潮
葛伟
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Guodian Nanjing Automation Co Ltd
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Guodian Nanjing Automation Co Ltd
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Priority to CN2011201571717U priority Critical patent/CN202057635U/en
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Publication of CN202057635U publication Critical patent/CN202057635U/en
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Abstract

The utility model discloses a gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil, which comprises a casting furnace and is characterized in that an insulating layer is arranged outside the casting furnace; a circulating fan, heating rods and temperature sensors are arranged in the casting furnace; the heating rods and the temperature sensors are connected with the casting furnace through threads; and the circulating fan, the heating rods and the leads of the temperature sensors are connected with plate punching terminals. By adopting the gas chromatography heating attemperator for the on-line analysis on the dissolved gas in the insulating oil, the problem that the internal temperature of a column box is influenced by the external environment temperature in the operation process of a field device is solved, and the performance of a chromatographic column and a detector is improved.

Description

The gas chromatography heating and heat-insulating device of oil dissolved gas on-line analysis is used to insulate
Technical field
The utility model relates to a kind of gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate, and belongs to gas chromatographicanalyzer table technical field.
Background technology
Filling type power equipments such as transformer are hinge equipment important in the electric system, and their running status is carried out on-line monitoring, guaranteed that its safe operation is the key measure that improves whole Operation of Electric Systems reliability.Intelligentized requirement improves gradually to electrical network along with development, the social demand of electrical network, will become the indispensable ingredient of intelligent transformer station as the on-line monitoring of the transformer of heart component.
At present, employed insulation oil dissolved gas on-Line Monitor Device major part all is to adopt the gas chromatographic analysis principle on the market, the type of heating of chromatographic column mainly adopts modes such as baking oven, heating plate, coating, sleeve pipe heating, has that volume is big, programming rate is slow or non-uniform temperature, quick heating, cooling wait deficiency slowly.
The utility model content
Technical problem to be solved in the utility model is, solve chromatographic column operational process center pillar case internal temperature be subjected to ambient temperature influence problem, improve the performance of chromatographic column and detecting device.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate, comprise the casting stove, it is characterized in that: be outside equipped with heat-insulation layer, be provided with circulating fan, heating rod and temperature sensor at the casting furnace interior at the casting stove, described heating rod, temperature sensor are connected with the casting stove by screw thread, and the lead of circulating fan, heating rod, temperature sensor is connected with the threading terminal.
The gas chromatography heating and heat-insulating device of the aforesaid oil dissolved gas on-line analysis that is used to insulate, it is characterized in that: described heat-insulation layer comprises square heat-insulation layer shell, post chamber door and the back shroud that is arranged at the casting stove outside, is connected with hasp by hinge between post chamber door and the heat-insulation layer shell.
The gas chromatography heating and heat-insulating device of the aforesaid oil dissolved gas on-line analysis that is used to insulate is characterized in that: fill insulant material between heat-insulation layer shell and casting stove, back shroud with cast fill insulant material between the stove.Described insulation material is exhausted combustion, high temperature resistant, Heat stability is good, pyroconductivity is low, thermal capacitance is little, anti-mechanical vibration are good, expanded by heating is little, heat-proof quality is good insulation material.
The gas chromatography heating and heat-insulating device of aforesaid a kind of oil dissolved gas on-line analysis that is used to insulate is characterized in that: the casting stove is a cast molding, adopts that heat-conductive characteristic is good, mechanical property is strong, corrosion-resistant, material that shielding properties is good.
The gas chromatography heating and heat-insulating device of the aforesaid oil dissolved gas on-line analysis that is used to insulate, it is characterized in that: circulating fan is an aerofoil fan high temperature resistant, that the life-span is long, noise is little.
The gas chromatography heating and heat-insulating device of the aforesaid oil dissolved gas on-line analysis that is used to insulate; it is characterized in that: also comprise temperature control and protection system, temperature control comprises the accurate control module of temperature, high low temperature protected location and control circuit with protection system.
The beneficial effect that the utility model reaches: device of the present utility model is formed by adding hot-cast stove, heat-insulation layer, circulating fan, temperature control and protection.Chromatographic column, detecting device, sampling device are installed in the casting furnace interior, and this device heating is fast, casting furnace interior temperature stabilization is even, have solved the influence that field device operational process center pillar case internal temperature is subjected to ambient temperature, improve the performance of chromatographic column and detecting device.
Description of drawings
Fig. 1 is the gas chromatography heating and heat-insulating device front elevation of the oil dissolved gas on-line analysis that is used to insulate of the present utility model;
Fig. 2 is a rear view of the present utility model;
Fig. 3 is a cut-open view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Implementation column 1:
The gas chromatography heating and heat-insulating device of oil dissolved gas on-line analysis is used to insulate, comprise casting stove 2, it is characterized in that: be outside equipped with heat-insulation layer, be provided with circulating fan 3, heating rod 4 and temperature sensor 5 at the casting furnace interior at the casting stove, described heating rod 4, temperature sensor 5 are connected with casting stove 2 by screw thread, and the lead of circulating fan, heating rod, temperature sensor is connected with the threading terminal.Described heat-insulation layer comprises square heat-insulation layer shell 1, post chamber door 6 and the back shroud 7 that is arranged at the casting stove outside, is connected with hasp by hinge between post chamber door and the insulation cladding.Fill insulant material between heat-insulation layer shell 1 and casting stove, fill insulant material between back shroud 7 and the casting stove.The post case is of a size of 340 * 380mm, and casting stove thickness is 22mm, and fan dimension 92 * 92 * 25mm, heating rod power are 90W.
Implementation column 2:
The post case is of a size of 300 * 340mm, and casting stove thickness is 22mm, and fan dimension 60 * 60 * 20mm, heating rod power are 80W.Other technical characterictic is identical with embodiment 1.
The gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate of the present utility model, install according to the following steps:
1. heat-insulation layer shell 1 processing and the processing of post chamber door, the post chamber door adopts double-layer heat insulation design, is connected by hinge, hasp between post chamber door and the insulation cladding;
2. 2 cast moldings of casting stove, the surface finish of casting stove, casting stove surface working heating rod, platinum resistance mounting hole, circulating fan mounting hole etc.;
3. install the pad post additional between heat-insulation layer shell 1 and the casting stove 2, pass through bolt from the device outside and post case inside.
4. fill insulant material between heat-insulation layer shell 1 and casting stove 2 is installed the threading terminal, threading two is logical, and casting furnace interior circulating fan 3, other parts are installed;
5. heating rod 4, temperature sensor 5 are installed in casting stove 2 back sides, and with heating rod 4, temperature sensor 5 coating heat-conducting silicone greases, heating rod 4, temperature sensor 5 are connected with casting stove 2 by screw thread before installing;
6. circulating fan 3, heating rod 4, temperature sensor 5 leads and other component leads thereof are connected with the threading terminal; Temperature sensor 5 is made for the platinum resistance original paper, and waterproof, anticorrosion armouring platinum resistance have the precision height, and is sensitive, thermal response time is fast, reliable and stable, long service life.Heating rod 4 is a high temperature magnesium powder, and high temperature resistant, corrosion resistant stainless steel, joint filling material are made, and has good security performance, the thermal efficiency, even, the long service life of heating.
7. post case back side fill insulant material, mounting rear cover plate 7; Described device front double-layer heat insulation post chamber door 6 is connected with heat-insulation layer shell 1 hinge, hasp, makes things convenient for the inner fitting operation of post case.7 designs of the detachable back shroud in the device back side are connected by screw with heat-insulation layer shell 1.Heat-insulation layer shell 1 sidewall is reserved threading terminal mounting hole, reaches carrier gas, sample gas import two logical mounting holes.
8. the erection column chamber door 6.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within the protection domain of the present utility model.

Claims (5)

1. the gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate, comprise casting stove (2), it is characterized in that: be outside equipped with heat-insulation layer at the casting stove, be provided with circulating fan (3), heating rod (4) and temperature sensor (5) at the casting furnace interior, described heating rod (4), temperature sensor (5) are connected with casting stove (2) by screw thread, and the lead of circulating fan, heating rod, temperature sensor is connected with the threading terminal.
2. the gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate according to claim 1, it is characterized in that: described heat-insulation layer comprises square heat-insulation layer shell (1), post chamber door (6) and the back shroud (7) that is arranged at the casting stove outside, is connected with hasp by hinge between post chamber door and the heat-insulation layer shell.
3. the gas chromatography heating and heat-insulating device of the oil dissolved gas on-line analysis that is used to insulate according to claim 2 is characterized in that: fill insulant material between heat-insulation layer shell (1) and casting stove, back shroud (7) with cast fill insulant material between the stove.
4. according to the gas chromatography heating and heat-insulating device of claim 1 or the 2 or 3 described oil dissolved gas on-line analyses that are used to insulate, it is characterized in that: circulating fan (3) is an aerofoil fan.
5. according to the gas chromatography heating and heat-insulating device of claim 1 or the 2 or 3 described oil dissolved gas on-line analyses that are used to insulate; it is characterized in that: also comprise temperature control and protection system, temperature control comprises the accurate control module of temperature, high low temperature protected location and control circuit with protection system.
CN2011201571717U 2011-05-17 2011-05-17 Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil Expired - Lifetime CN202057635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201571717U CN202057635U (en) 2011-05-17 2011-05-17 Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201571717U CN202057635U (en) 2011-05-17 2011-05-17 Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil

Publications (1)

Publication Number Publication Date
CN202057635U true CN202057635U (en) 2011-11-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105929094A (en) * 2016-04-18 2016-09-07 沈阳汉威科技有限公司 Heat insulation box of gas chromatographic column
CN112578162A (en) * 2020-11-20 2021-03-30 旺矽科技(苏州)有限公司 Efficient preheating device for probe card

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105929094A (en) * 2016-04-18 2016-09-07 沈阳汉威科技有限公司 Heat insulation box of gas chromatographic column
CN112578162A (en) * 2020-11-20 2021-03-30 旺矽科技(苏州)有限公司 Efficient preheating device for probe card

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: GUODIAN NANJING AUTOMATION HAIJI TECHNOLOGY CO., LTD.

Assignor: Nanjing Automation Co., Ltd., China Electronics Corp.

Contract record no.: 2012320000154

Denomination of utility model: Gas chromatography heating attemperator for on-line analysis on dissolved gas in insulating oil

Granted publication date: 20111130

License type: Exclusive License

Record date: 20120302

CX01 Expiry of patent term

Granted publication date: 20111130

CX01 Expiry of patent term