CN211950823U - Nuclear power station transformer oil pump field test device - Google Patents
Nuclear power station transformer oil pump field test device Download PDFInfo
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- CN211950823U CN211950823U CN202020346218.3U CN202020346218U CN211950823U CN 211950823 U CN211950823 U CN 211950823U CN 202020346218 U CN202020346218 U CN 202020346218U CN 211950823 U CN211950823 U CN 211950823U
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Abstract
The utility model discloses a nuclear power station transformer oil pump field test device, which comprises an oil storage cabinet and a test pipeline connected with the oil storage cabinet, wherein the test pipeline comprises an inlet, an inlet pipe and an outlet which are detachably connected with the oil storage cabinet, and an outlet pipe which is detachably connected with the oil storage cabinet, and is connected between the outlet of the inlet pipe and the inlet of the outlet pipe by a test oil pump, and the outlet pipe is provided with a flow tester for measuring the outlet flow of the tested oil pump. The running accident of the transformer caused by replacing the oil pump with defects is avoided.
Description
Technical Field
The utility model relates to a nuclear power test field especially relates to a nuclear power station transformer oil pump field test device.
Background
The power transformer is an important electrical device in a power system, and is also an important external power supply for guaranteeing nuclear safety besides serving as an external transmission junction in a nuclear power station. The transformer oil pump is an important core component of a transformer cooling system, and is used as a rotating device, and is influenced by factors such as mechanical abrasion, high heat, vibration and the like in long-term operation, so that oil pump faults are easily caused, metal abrasion chips or winding short-circuit products generated by single oil pump faults are brought into a transformer body through oil flow, and internal winding short-circuit faults of a power transformer of a nuclear power station can be caused, so that the safe and reliable operation of the nuclear power station is challenged, and the transformer oil pump needs to be replaced or disassembled for maintenance every 10 refueling periods specified by a nuclear power station maintenance outline. The transformer oil pump is an assembly precision product, and a test operation test and a simulation site working condition operation test are performed after the oil pump is disassembled and overhauled or before a new oil pump is replaced, so that the transformer oil pump is of great importance for verifying the functions of oil pump spare parts and searching defects. Because the transformer oil pump can not be transported in the air for a long time and limited by field conditions, a test run test and a simulation field working condition run test after the oil pump is disassembled and overhauled or before a new oil pump is replaced can not be carried out on the field, and only the functionality verification can be carried out by a delivery professional oil pump manufacturer, so that the limitation is brought to the field work.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a nuclear power station transformer oil pump field test device is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a nuclear power station transformer oil pump field test device, including store up the oil tank and with the test tube way that stores up the oil tank and connect, the test tube way include the import with store up the oil tank can dismantle the connection advance oil pipe and export with store up the oil tank can dismantle the play oil pipe of connecting, be connected between the export of advancing oil pipe and the import of play oil pipe by experimental oil pump, it is used for measuring the flow test appearance by the export flow of experimental oil pump to go out to install one on the oil pipe.
Preferably, the inlet of the oil inlet pipe is connected with the position, close to the bottom, of the first side wall of the oil conservator, an outlet butterfly valve of the oil conservator is arranged at the connecting position, and the oil inlet pipe is connected with the first side wall, extends downwards and bends to extend into a space below the oil conservator; the exit linkage of oil pipe the second lateral wall of oil conservator leans on the position at top, and this outlet of oil pipe is provided with an elbow, the elbow stretches into just export down in the oil conservator, downwardly extending and buckling after oil pipe and second lateral wall connection stretches into the space of oil conservator below, first lateral wall and second lateral wall set up relatively.
Preferably, an outlet of the oil inlet pipe is provided with an oil pump inlet butterfly valve, and the oil pump inlet butterfly valve is connected with an inlet of the tested oil pump through a section of pipeline; and the inlet of the oil outlet pipe is provided with an oil pump outlet butterfly valve, and the oil pump outlet butterfly valve is connected with the outlet of the tested oil pump through a section of pipeline.
Preferably, a corrugated joint is arranged on the oil inlet pipe and/or the oil outlet pipe.
Preferably, the top of the oil conservator is provided with a communicating pipe, the communicating pipe is connected with a respirator, and dry silica gel is placed in the respirator.
Preferably, the bottom of the oil conservator is provided with a sampling valve interface for sampling and analyzing transformer oil and an oil filtering valve interface connected with an oil filter of the transformer.
Preferably, a heating device for adjusting the viscosity of the insulating oil is installed at a position close to the bottom in the oil conservator.
Preferably, the oil conservator is also provided with an oil level gauge.
Preferably, the oil conservator is of a metal cylinder structure, and the top of the oil conservator is provided with a manhole and a lifting lug.
The utility model discloses a nuclear power station transformer oil pump field test device has following beneficial effect: the utility model discloses a nuclear power station transformer oil pump field test device can simulate nuclear power station transformer oil circulation system to satisfy the trial run test and the simulation site work condition operation test before nuclear power station transformer oil pump disintegration is overhauld back or new oil pump implementation change, use the device can effectively shorten the test cost and the time of spare part oil pump, guarantee the usability of spare part oil pump, avoided changing the oil pump of taking the defect and caused the transformer operation accident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
FIG. 1 is a front view of the field test device for the transformer oil pump of the nuclear power station of the present invention;
fig. 2 is the utility model discloses nuclear power station transformer oil pump field test device's side view:
in the figure: 1-oil conservator, 2-tested oil pump, 3-corrugated joint, 4-flow tester, 5-heating device, 6-sampling valve interface, 7-oil level gauge, 8-respirator, 9-oil filtering valve interface, 10 a-oil conservator outlet butterfly valve, 10 b-oil pump inlet butterfly valve, 10 c-oil pump outlet butterfly valve, 11-oil inlet pipe, 12-oil outlet pipe, 13-manhole, 14a, 14 b-lifting lug.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Exemplary embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the embodiments and specific features in the embodiments of the present invention are described in detail in the present application, but not limited to the present application, and the technical features in the embodiments and specific features in the embodiments of the present invention can be combined with each other without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named as a second component, and similarly, a second component may also be named as a first component, without departing from the scope of the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-2, fig. 1 is a front view of the field test device for the transformer oil pump of the nuclear power station, and fig. 2 is a side view of the field test device for the transformer oil pump of the nuclear power station. In fig. 2, a detailed structure is omitted.
The utility model discloses a nuclear power station transformer oil pump field test device including store up oil tank 1 and with the test pipeline that stores up oil tank 1 and connect can carry out the adaptability configuration to the test pipeline according to the type and the interface pipe diameter by experimental oil pump. Wherein, the test pipeline include the import with store up oil tank 1 can dismantle the oil pipe 11 and export of connecting with store up oil tank 1 can dismantle the oil pipe 12 of connecting, by experimental oil pump connection between the export of oil pipe 11 and the import of going out oil pipe 12.
In this embodiment, the oil conservator 1 is supported by a set of support legs. The oil conservator 1 is of a metal cylinder structure and is used for storing transformer insulating oil. The top of the oil conservator 1 is provided with a manhole 13 and a group of lifting lugs 14a and 14 b. The manhole 13 is mainly convenient for maintenance of the interior of the oil storage cabinet 1 in the future, and the lifting lugs 14a and 14b are convenient for hoisting and transporting of a field test device and the requirement of a field overhaul test of a nuclear power station overhaul unit.
Wherein, the inlet of the oil inlet pipe 11 is connected to the bottom of the first side wall (i.e. the right side wall in fig. 1) of the oil conservator 1, and the connection position is configured with an oil conservator outlet butterfly valve 10a, the oil inlet pipe 11 is connected with the first side wall, extends downwards and bends to extend into the space below the oil conservator 1; the exit linkage of oil pipe 12 the second lateral wall (left side wall in figure 1) of oil conservator 1 leans on the position at top, and this oil pipe 12's export is provided with an elbow, the elbow stretches into just export down in the oil conservator 1, downwardly extending and buckling after oil pipe 12 and the second lateral wall are connected stretches into the space of oil conservator 1 below, first lateral wall and second lateral wall set up relatively.
More specifically, in order to adapt to different tested oil pumps, the outlet of the oil inlet pipe 11 is provided with an oil pump inlet butterfly valve 10b, and the oil pump inlet butterfly valve 10b is connected with the inlet of the tested oil pump through a section of pipeline; the inlet of the oil outlet pipe 12 is provided with an oil pump outlet butterfly valve 10c, and the oil pump outlet butterfly valve 10c is connected with the outlet of the tested oil pump through a section of pipeline. In fact, the test pipeline may be a set of components of a nuclear power station transformer centrifugal vane pump and an axial flow vane pump, for example, the oil inlet pipe 11 and the oil outlet pipe 12 are 150mm, and may be adapted to multiple sets of conformal conversion pipelines of different types of oil pumps of a nuclear power station, and the test pipeline is adaptively configured on site according to the type and the interface pipe diameter of the tested oil pump 2. In this embodiment, store up DN150 butterfly valve that oil tank export butterfly valve 10a, oil pump import butterfly valve 10b, oil pump export butterfly valve 10c all adopted, the dismouting and the pipeline matching in the on-the-spot oil pump test process of being convenient for.
Wherein, install a flow tester 4 on the oil pipe 12 for measure by the outlet flow of test oil pump.
Preferably, a corrugated joint 3 is installed on the oil inlet pipe 11. Of course, it is also possible to install a corrugated section 3 on the oil outlet pipe 12, or to install a corrugated section 3 on each of the oil inlet pipe 11 and the oil outlet pipe 12. The corrugated joint 3 is mainly convenient for assembling and testing the pipeline and the oil pump on site, and can be used for compensating and absorbing pipeline vibration or deformation caused by the oil pump in the starting moment and the running process, effectively improving the running test condition of the transformer oil pump, and reducing environmental noise so as to facilitate site diagnosis and reason investigation of oil pump defects.
Preferably, the top of the oil conservator 1 is provided with a communicating pipe, the communicating pipe is connected with a breather 8, and dry silica gel is placed in the breather 8, so that overpressure or negative pressure inside the test device in the oil pump test process is avoided, and meanwhile, insulating oil caused by the fact that the test device is communicated with the outside air is prevented from being damped.
Preferably, the bottom of the oil conservator 1 is provided with a sampling valve interface 6 for sampling and analyzing transformer oil and an oil filtering valve interface 9 connected with a transformer oil filter. The sampling valve interface 6 is mainly convenient for sampling and analyzing the insulating oil before and after the transformer oil pump test. The oil filter valve interface 9 is used for ensuring that the quality of insulating oil in the oil conservator 1 is qualified before the test of the transformer oil pump, and oil stains and the like in the oil conservator 1 can be discharged together under the required condition.
Preferably, a heating device 5 for viscosity adjustment of the insulating oil is installed at a bottom position inside the conservator 1 (e.g., at a bottom position of a left side wall in fig. 1). The heating device 5 is mainly used for ensuring that the viscosity of the transformer insulating oil is not reduced due to the excessively low environmental temperature, avoiding influencing the test process, and is particularly suitable for field tests of the transformer oil pump in the arctic weather of a nuclear power station in the north.
Preferably, the oil conservator 1 is further provided with an oil level gauge 7, so that oil level monitoring and oil level adjustment of the oil conservator 1 are facilitated. In this embodiment, the oil level indicator 7 is specifically a U-shaped oil level indicator 7, and a part of the U-shaped oil level indicator 7 extends into the oil conservator 1, and a part of the U-shaped oil level indicator is located outside the oil conservator 1, and liquid level monitoring is realized by using a communicating vessel principle.
The test device of this embodiment has realized that nuclear power station transformer oil pump disintegrates and overhauls back or new oil pump implement to change before parameter measurement and functional test, and its beneficial effect lies in:
1) can simulate nuclear power station transformer oil circulation system to satisfy the trial run test and the simulation on-the-spot operating mode operation test of nuclear power station transformer oil pump after the disintegration maintenance or before new oil pump implement to change, use the device can effectively shorten the test cost and the time of spare part oil pump, guarantee the usability of spare part oil pump, avoided changing the oil pump that takes the defect and caused transformer operating accident.
2) The shape and the pipe diameter of a pipeline connected with the oil pump are matched with different types of oil pumps of the power transformer of the nuclear power station, so that the test requirement of completing the oil pumps of various types of transformers by one set of test device is met, the application range of the oil pump test device is greatly improved, and the test cost is reduced;
3) the oil conservator communicated with the breather realizes the requirement that the small-volume oil conservator finishes a large-flow oil pump test, not only avoids the overpressure or negative pressure of the system at the moment of starting the oil pump and in the running process, but also avoids the insulating oil in the oil conservator from being affected with damp;
4) the oil pump inlet butterfly valve and the oil pump outlet butterfly valve are arranged, so that the oil pump can be conveniently disassembled and assembled in the field oil pump test process, and the state evaluation of a plurality of oil pumps can be quickly finished;
5) and a heating device is arranged in the oil storage cabinet, so that the viscosity of the transformer insulating oil is prevented from being reduced due to too low environmental temperature, and the test process is not influenced. The device is particularly suitable for field tests of the transformer oil pump of the nuclear power station in northern extremely cold weather;
6) the test time of the spare part oil pump can be effectively shortened, the availability of the spare part oil pump is ensured, and the running accident of the transformer caused by replacing the defective oil pump is avoided;
7) the transportation and test prices of the external oil pump factory are high, and the purchase of a complete set of special oil pump test device is expensive; the number of the in-service oil pumps of the transformer of the nuclear power station is large, periodic replacement or disassembly maintenance work needs to be carried out on each oil pump step by step according to the service life of the oil pump and the long-term plan of the overhaul, and the test device of the embodiment saves a large amount of cost for performance identification work before the oil pump is replaced;
8) the oil pump performance testing device is easy to realize, high in universality and convenient to test the oil pump performance.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a nuclear power station transformer oil pump field test device, its characterized in that, including the oil storage cabinet and with the test tube way that the oil storage cabinet is connected, the test tube way include the import with the oil storage cabinet can be dismantled into oil pipe and export of connecting with the oil storage cabinet can be dismantled out oil pipe of connecting, by experimental oil pump connection between the export of advancing oil pipe and the import of going out oil pipe, it is used for measuring the flow test appearance by the export flow of experimental oil pump to go out to install one on the oil pipe.
2. The device of claim 1, wherein the inlet of the oil inlet pipe is connected to the first side wall of the oil conservator near the bottom, and a butterfly valve for the outlet of the oil conservator is arranged at the connection position, the oil inlet pipe is connected with the first side wall, extends downwards and bends to extend into the space below the oil conservator; the exit linkage of oil pipe the second lateral wall of oil conservator leans on the position at top, and this outlet of oil pipe is provided with an elbow, the elbow stretches into just export down in the oil conservator, downwardly extending and buckling after oil pipe and second lateral wall connection stretches into the space of oil conservator below, first lateral wall and second lateral wall set up relatively.
3. The device according to claim 1, characterized in that the outlet of the oil inlet pipe is provided with an oil pump inlet butterfly valve which is connected with the inlet of the tested oil pump through a pipeline; and the inlet of the oil outlet pipe is provided with an oil pump outlet butterfly valve, and the oil pump outlet butterfly valve is connected with the outlet of the tested oil pump through a section of pipeline.
4. The apparatus of claim 1, wherein a corrugated section is mounted on the oil inlet pipe and/or the oil outlet pipe.
5. The device according to claim 1, wherein a communicating pipe is arranged at the top of the oil conservator, a breather is connected to the communicating pipe, and dry silica gel is placed in the breather.
6. The device of claim 1, wherein the bottom of the oil conservator is provided with a sampling valve interface for sampling and analyzing transformer oil and an oil filter valve interface connected with a transformer oil filter.
7. The apparatus of claim 1, wherein a heating device for viscosity adjustment of the insulating oil is installed at a bottom position inside the conservator.
8. The apparatus of claim 1, wherein the conservator is further fitted with an oil level gauge.
9. The device of claim 1, wherein the oil conservator is of a metal cylinder structure, and a manhole and a lifting lug are arranged at the top of the oil conservator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346218.3U CN211950823U (en) | 2020-03-18 | 2020-03-18 | Nuclear power station transformer oil pump field test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346218.3U CN211950823U (en) | 2020-03-18 | 2020-03-18 | Nuclear power station transformer oil pump field test device |
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| Publication Number | Publication Date |
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| CN211950823U true CN211950823U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020346218.3U Active CN211950823U (en) | 2020-03-18 | 2020-03-18 | Nuclear power station transformer oil pump field test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464417A (en) * | 2021-06-24 | 2021-10-01 | 西安阿尔斯通永济电气设备有限公司 | Oil pump lift experimental device |
| CN113643879A (en) * | 2021-07-28 | 2021-11-12 | 唐丽铭 | Transformer of annular conservator |
-
2020
- 2020-03-18 CN CN202020346218.3U patent/CN211950823U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464417A (en) * | 2021-06-24 | 2021-10-01 | 西安阿尔斯通永济电气设备有限公司 | Oil pump lift experimental device |
| CN113464417B (en) * | 2021-06-24 | 2023-01-03 | 西安阿尔斯通永济电气设备有限公司 | Oil pump lift experimental device |
| CN113643879A (en) * | 2021-07-28 | 2021-11-12 | 唐丽铭 | Transformer of annular conservator |
| CN113643879B (en) * | 2021-07-28 | 2023-01-24 | 沈阳沈西变压器制造有限公司 | Transformer of annular conservator |
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