CN212159706U

CN212159706U - Oil gas sample introduction device of transformer

Info

Publication number: CN212159706U
Application number: CN202020646108.9U
Authority: CN
Inventors: 狄厚伟; 张家豪
Original assignee: Shandong Huifen Instrument Co ltd
Current assignee: Shandong Huifen Instrument Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-15
Anticipated expiration: 2030-04-26

Abstract

The utility model belongs to the field of transformers, in particular to a transformer oil gas sampling device, aiming at the problems that the separation effect is poor and the color change of the chromatographic column inside a supporter is inconvenient to observe after the prior chromatographic column is used for a period of time, the utility model provides a proposal that comprises a double-column joint combination, the top of the double-column joint combination is provided with an upper end hole, the inner movable clamping of the upper end hole of the double-column joint combination is provided with a vaporizing chamber with an opening at the top, the inner part under the vaporizing chamber can be separated from the movable clamping and is provided with a pre-column, the outer side of the pre-column is sleeved with an O-shaped ring, the opening part at the top under the vaporizing chamber is sealed and jointed with the vaporizing chamber, the outer side threads on the vaporizing chamber and under the vaporizing chamber are connected with the same fastening bolt, the design of the pre-column of the utility model is novel, a quartz tube is transparent, meanwhile, if a corresponding device is matched, the pre-column can be reduced and can be repeatedly used.

Description

Oil gas sample introduction device of transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a transformer oil gas sampling device.

Background

Oil gas sampling systems of oil chromatographs can be divided into the following categories:

1. headspace sample introduction: connecting a sample inlet of a head space sample injector capable of vacuumizing with a sample inlet of an oil chromatograph, injecting a certain volume of oil sample (such as 5ml) into a head space bottle, putting the head space sample injector into the head space sample injector, wherein the head space sample injector can be provided with a program for performing nitrogen injection replacement, vacuumizing, oscillation and the like, treating the oil sample according to national standards, and feeding the treated sample into the sample inlet of the oil chromatograph;

2. mechanical oscillation method: injecting 40ml of oil sample into a 100ml injector according to the national standard, exhausting air in the injector, then injecting 5ml of high-purity nitrogen, sealing, placing into a vibration instrument, setting a program to start vibration, and after the vibration is finished, removing 1ml of gas above the oil sample and injecting into a sample inlet of an oil chromatograph;

at present, 9 gases such as hydrogen, oxygen, nitrogen, carbon monoxide, carbon dioxide, methane, ethylene, ethane, acetylene and the like in transformer oil are detected by the two methods, the oil gas after sample injection enters a chromatographic column, the chromatographic column is the core part of a chromatograph, the 9 gases are separated, and the performance of the chromatographic column directly influences the accuracy of analysis data! The two chromatographic columns are generally arranged, one chromatographic column is 4 meters, the other chromatographic column is 0.8 meter, the reutilization rate of the chromatographic column with 0.8 meter is not high, the separation effect is poor, hydrogen, oxygen, nitrogen, carbon monoxide and carbon dioxide cannot be separated, the peak tailing is serious, and a pre-column which has good pollution resistance and large specific surface area and can adsorb oil gas as far as possible is urgently needed; the supporter in the pre-column is high temperature resistant and is convenient for reduction; meanwhile, the supporter in the pre-column can not adsorb the component to be detected; and the pre-column is transparent, so that the pollution condition of the supporter can be observed conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the prior art has a chromatographic column after being used for a period of time, the separation effect is poor, the color of the chromatographic column inside the supporter is inconvenient to observe, and the oil gas sampling device of the transformer is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a transformer oil gas sampling device, includes the combination of double column joint, the upper end hole has been seted up at the top of the combination of double column joint, the inside activity card that the upper end hole of the combination of double column joint was equipped with the top and is provided with under the open-ended vaporizer, the inside under the vaporizer can break away from the activity card and is equipped with the pre-column, the outside cover of pre-column is equipped with O type circle, the sealed laminating of top opening part under the vaporizer has on the vaporizer, the outside threaded connection under on the vaporizer and the vaporizer has same fastening bolt, the top and the bottom of pre-column closely laminate with bottom inner wall under the vaporizer and the top inner wall on the vaporizer respectively, the jack has been seted up at the top on the vaporizer, can break away from the activity card in the jack on the vaporizer and be equipped with T type pad, the aperture of T type pad has been seted up at the top, and the aperture department of T, the top of director extends to the top of T type pad, the outside cover of director is equipped with the heat dissipation cap, and the bottom of heat dissipation cap has seted up the lockhole, outside threaded connection on lockhole and the vaporizer.

Preferably, in order to facilitate the installation of the pre-column, the pre-column comprises a quartz tube, two symmetrically arranged quartz cottons are filled on the inner wall of the quartz tube, the quartz cottons are silanized quartz cottons, a TS supporter is filled in the quartz tube, and the top and the bottom of the TS supporter are respectively and tightly attached to one side of the two quartz cottons, which is close to each other.

Preferably, in order to accurately perform the filling work of the quartz wool and the TS supporter in the inner part of the pre-column, the filling length of the two quartz wools is five millimeters, and the filling length of the TS supporter is sixty-one millimeter.

In the utility model, the sample feeding device is assembled by the guider 1, the heat dissipation cap, the T-shaped pad, the upper part of the vaporization chamber, the fastening nut, the lower part of the vaporization chamber and the double-column joint, the design of the sample feeding device is simple, the operation is convenient, the pre-column of the sample feeding device is convenient to replace, thereby protecting the transformer oil analysis column and prolonging the service life of the analysis column;

2. the design of the pre-column is novel, the quartz tube is transparent and high temperature resistant, whether the TS supporter is polluted by oil gas or not can be conveniently observed, and meanwhile, if the pre-column is matched with a corresponding device, the pre-column can be restored and can be repeatedly used.

Drawings

Fig. 1 is a schematic view of an exploded structure of a transformer oil gas sampling device provided by the utility model;

fig. 2 is the utility model provides a transformer oil gas sampling device's integrated configuration schematic diagram.

In the figure: the device comprises a guide 1, a heat dissipation cap 2, a 3T-shaped pad, a vaporization chamber 4, a fastening nut 5, an O-shaped ring 6, a double-column joint 7, a vaporization chamber 8, a pre-column 9, a quartz tube 9.1, quartz wool 9.2 and a TS supporter 9.3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-2, a transformer oil gas sampling device comprises a double-column joint combination 7, an upper end hole is arranged at the top of the double-column joint combination 7, a vaporizing chamber lower 8 with an opening arranged at the top is movably clamped inside the upper end hole of the double-column joint combination 7, a pre-column 9 can be movably clamped and arranged in the vaporizing chamber lower 8 in a detachable mode, an O-shaped ring 6 is sleeved outside the pre-column 9, a vaporizing chamber upper 4 is hermetically attached to the opening at the top of the vaporizing chamber lower 8, the outer sides of the vaporizing chamber upper 4 and the vaporizing chamber lower 8 are in threaded connection with a same fastening bolt 5, the top and the bottom of the pre-column 9 are respectively and tightly attached to the inner wall at the bottom of the vaporizing chamber lower 8 and the inner wall at the top of the vaporizing chamber upper 4, a jack is arranged at the top of the vaporizing chamber upper 4, a T-shaped pad 3 can be movably clamped and arranged in the jack of the vaporizing chamber upper 4, a small hole is arranged at the top, the top of guider 1 extends to the top of T type pad 3, and the outside cover of guider 1 is equipped with heat dissipation cap 2, and the bottom of heat dissipation cap 2 has seted up the lockhole, the outside threaded connection of 4 on lockhole and the vaporizer.

Example two

The following further improvements are made on the basis of the first embodiment:

the utility model discloses in, for the installation work of carrying out pre-column 9 in order to make things convenient for, pre-column 9 includes a quartz capsule 9.1, and it has two quartz cottons 9.2 that the symmetry set up to fill on quartz capsule 9.1's the inner wall, and quartz cotton 9.2 is the silanization quartz cotton, and the inside packing of quartz capsule 9.1 has TS supporter 9.3, and TS supporter 9.3's top and bottom are closely laminated with one side that two quartz cottons 9.2 are close to each other respectively.

The utility model discloses in, for the accurate filling work of carrying out quartz wool 9.2 and TS supporter 9.3 to 9 inside pre-column, the length that two quartz wool 9.2 were filled is five millimeters, and TS supporter 9.3's filling length is sixty one millimeter.

In the utility model, when in use, the pre-column 9 is filled, the filling process comprises the steps of taking a certain amount of quartz cotton 9.2 to be arranged at the lower end of a quartz tube 9.1, the length is about 5mm, then arranging a TS supporter 9.3 in the quartz tube 9.1, the length is about 61mm, finally arranging the quartz cotton 9.2 at the upper end of the quartz tube 9.1, the length is about 5mm, and the sample injection device is arranged and installed in the specific process that the pre-column 9 is inserted into an upper end hole of a double-column joint combination 7 and is fixed at the lower end of a vaporization chamber lower 8, an O-shaped ring 6 is sleeved at the upper end of the pre-column 9, a central hole of the vaporization chamber upper 4 is sleeved into the pre-column 9 and pressed on the vaporization chamber lower 8, the T-shaped pad 3 is fastened by a fastening nut 5, the thin end of the T-shaped pad is inserted into a sample injection hole of the vaporization chamber upper 4, a small hole at the upper end of the T-shaped pad is fastened by a heat dissipation cap 2 after a guider 1 is inserted into the sample injection chamber, the installation of the pre-, then the pre-column 9 is pumped out of the lower part 8 of the vaporizing chamber.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a transformer oil gas sampling device, includes double column joint combination (7), its characterized in that, the upper end hole has been seted up at the top of double column joint combination (7), the inside activity card that the upper end hole was gone up to double column joint combination (7) is equipped with the top and is provided with under the open-ended vaporizer (8), the inside of (8) can break away from the activity card and be equipped with in advance post (9) under the vaporizer, the outside cover of in advance post (9) is equipped with O type circle (6), the sealed laminating of the top opening part of (8) has on the vaporizer (4) under the vaporizer, the outside threaded connection of (8) has same fastening bolt (5) under (4) and the vaporizer on the vaporizer, the top and the bottom of in advance post (9) closely laminate with the bottom inner wall of (8) under the vaporizer and the top inner wall of (4) on the vaporizer respectively, the jack has been seted up at the top of (4) on the vaporizer, can break away from the activity in the jack of (4) on the vaporizer and clamp T type pad (3), the aperture has been seted up at the top of T type pad (3), and the aperture department of T type pad (3) can break away from the activity card and be equipped with director (1), the top of director (1) extends to the top of T type pad (3), the outside cover of director (1) is equipped with radiator cap (2), and the bottom of radiator cap (2) has seted up the lockhole, the outside threaded connection of (4) on lockhole and the vaporizer.

2. The oil gas sampling device of the transformer according to claim 1, wherein the pre-column (9) comprises a quartz tube (9.1), the inner wall of the quartz tube (9.1) is filled with two quartz cottons (9.2) which are symmetrically arranged, the quartz cottons (9.2) are silanized quartz cottons, the inside of the quartz tube (9.1) is filled with a TS supporter (9.3), and the top and the bottom of the TS supporter (9.3) are respectively closely attached to the side, close to each other, of the two quartz cottons (9.2).

3. The transformer oil and gas sampling device according to claim 2, wherein the filling length of the two quartz wool (9.2) is five millimeters, and the filling length of the TS supporter (9.3) is sixty-one millimeter.