CN211788530U - Quick oil extraction device of transformer body and control system - Google Patents
Quick oil extraction device of transformer body and control system Download PDFInfo
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- CN211788530U CN211788530U CN202020337009.2U CN202020337009U CN211788530U CN 211788530 U CN211788530 U CN 211788530U CN 202020337009 U CN202020337009 U CN 202020337009U CN 211788530 U CN211788530 U CN 211788530U
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Abstract
The utility model relates to a quick oil extraction device of transformer body, include: the oil discharge pipeline structure is formed by connecting two pipelines in parallel, and an electric ball valve and a leakage monitor are respectively arranged on each pipeline; one end of the oil outlet after the two pipelines are connected in parallel and intersected is provided with a vacuum-pumping stop valve at the upper part of the intersected pipeline and a stop valve for oil injection at the lower part of the intersected pipeline. The utility model discloses still relate to a quick oil extraction control system of transformer body. The utility model can further reduce the fire spreading risk after the transformer failure, and has very important significance for the fire safety of the transformer; the device has the characteristics of simple structure and convenience in installation and transportation, can be applied to a conventional alternating current transformer, and has wide application prospect.
Description
Technical Field
The utility model belongs to the technical field of the transformer is manufactured, concretely relates to quick oil extraction device of transformer body and control system are particularly useful for extra-high voltage alternating current, direct current transmission engineering, are equally suitable for conventional transformer.
Background
With the rapid development of a strong smart power grid in China, an oil-immersed power transformer is the key for realizing the normal operation of the power grid, and plays a role of 'heart' in a power system, once serious accidents such as fire disasters occur, the power grid in the whole area is broken down, and the loss is immeasurable.
However, the oil-immersed power transformer inevitably has a risk of generating arc discharge inside the transformer due to an operation overvoltage, a lightning overvoltage, an overload, and the like. Because the transformer oil tank is a totally-enclosed whole, combustible gas generated by discharge can be rapidly gathered in the oil tank, so that the internal pressure of the oil tank can be rapidly increased, and the pressure relief valve can not rapidly relieve pressure, thereby easily causing major accidents such as explosion and the like. Dozens of tons of combustible transformer oil are filled in the transformer, and once the transformer oil flows out in a large area, a major fire accident is caused, and major loss is caused.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a quick oil extraction device of transformer body and control system can be when the transformer conflagration breaks out, according to the judgement of scene of a fire personnel on spot, during the remote start oil extraction realized that the transformer oil shifts rapidly, shifts this internal transformer oil of transformer to the safe oil bath fast, and loss when furthest reduced the conflagration and taken place is the very important means that prevents transformer body explosion and conflagration accident on a large scale. The utility model discloses the technical scheme who adopts as follows:
the utility model provides a quick oil extraction device of transformer body, includes: the oil discharge pipeline structure is formed by connecting two DN150 pipelines in parallel, and an electric ball valve and a leakage monitor are respectively arranged on each pipeline; one end of an oil discharge port after the two pipelines are connected in parallel and intersected is connected with an oil discharge pipe for discharging transformer oil into an oil pool, the upper part of the intersection pipeline at the other end of the two pipelines after the two pipelines are connected in parallel and intersected is provided with a stop valve for vacuumizing, and the lower part of the intersection pipeline is provided with a stop valve for oil injection.
Preferably, the stop valve for vacuum pumping is a DN25 stop valve for vacuum pumping, and the stop valve for oil injection is a DN25 stop valve for oil injection.
Preferably, the two pipelines are made of common carbon steel, and the electric ball valve is made of stainless steel.
Preferably, the oil discharge pipeline structure, the electric ball valve and the leakage monitor which are formed by connecting two pipelines in parallel are all packaged in the fireproof shell.
Preferably, the side wall of the fireproof shell is provided with a terminal strip.
Preferably, the oil drain pipe is a metal hose.
A transformer body quick oil discharge control system comprises: the transformer body rapid oil discharge device comprises a remote control button box, a display module and a display screen, wherein the control button box, the display module and the display screen are in remote communication with the rapid oil discharge device, and send control signals to an electric ball valve of the remote rapid oil discharge device through the control button box for starting the electric ball valve; and the display module and the display screen are used for displaying the state quantity of the far-end transformer body.
Preferably, the state quantity of the far-end transformer body displayed by the display module and the display screen includes but is not limited to: heavy gas signal, power-off signal, fire alarm signal, electric ball valve state, pipeline leakage, and the working environment temperature and humidity of the quick oil discharge device.
Preferably, the control button box, the display module, the display screen and the quick oil discharge device are communicated in a hard contact mode.
The utility model has the advantages that:
the utility model discloses can further reduce the conflagration after the transformer trouble and stretch the risk, with other measures of putting out a fire of transformer together, constitute a science, safe, reliable system, loss when reducing the occurence of failure has very important meaning to transformer fire prevention safety. Meanwhile, the device has the characteristics of simple structure and convenience in installation and transportation, can be applied to a conventional alternating current transformer, and has wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are illustrative of some embodiments of the invention, and that those skilled in the art will be able to derive other drawings without inventive step from these drawings, which are within the scope of the present application.
Fig. 1 is a side view of a quick oil drain device according to an embodiment of the present invention;
fig. 2 is a top view of the quick oil discharge device according to the embodiment of the present invention;
in the figure, 1-a fireproof shell, 2-DN 150 pipelines, 3-an electric ball valve, 4-a leakage detector, 5-a DN25 stop valve for vacuumizing and 6-a DN25 stop valve for oil injection.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, it is a side view of the quick oil discharging device according to the embodiment of the present invention; as shown in fig. 2, it is a top view of the quick oil discharging device according to the embodiment of the present invention. The utility model provides a quick oil extraction device of transformer body, includes: the oil discharge pipeline structure is formed by connecting two DN150 pipelines 2 in parallel, and an electric ball valve 3 and a leakage monitor 4 are respectively arranged on each DN150 pipeline 2. One end of an oil discharge port of the two DN150 pipelines 2 after being connected in parallel and intersected is connected with an oil discharge pipe and used for discharging transformer oil into an oil pool; at the other end of the two paths of DN150 pipelines 2 after being connected in parallel and intersected, the upper part and the lower part of the intersection pipeline are respectively led out of a pipe joint, the upper part of the intersection pipeline is provided with a DN25 stop valve 5 for vacuumizing of an oil discharge pipeline, and the lower part of the intersection pipeline is provided with a DN25 stop valve 6 for oil injection. The oil discharging is that the oil in the transformer body is discharged after the transformer is fired, and the oil filling is to fill the transformer oil into an oil discharging pipeline connected to the transformer body so as to avoid the oil level of the transformer in the transformer body from dropping. And finally, directly connecting one end of the stop valve to a DN150 oil discharge valve (or a valve connected to a plurality of small-caliber oil discharge valves in parallel) reserved on the transformer body through a transition connecting pipe, and arranging the quick oil discharge device on one side of the transformer, close to the accident oil discharge valve and far away from the high-voltage bushing.
The embodiment of the utility model provides an in, the parallelly connected pipeline structure who constitutes of two tunnel DN150 pipelines 2 to and electric ball valve 3, leak detector 4 all encapsulate in fireproof casing 1, are equipped with the terminal row on the 1 lateral wall of fireproof casing, make things convenient for electric ball valve 3 and leak detector 4's power and signal connection. The signal wiring refers to the state signal wiring of the electric ball valve 3 and the leakage detector 4, and uniformly leads the signal wire and the power wire to the terminal strip on the side wall, so that the subsequent wiring operation of the quick oil discharge device is facilitated. The fireproof casing 1 is arranged, so that the fireproof safety performance of the quick oil discharge device can be effectively guaranteed.
The embodiment of the utility model provides an in, quick oil extraction device contains 2 leak detection appearance 4, 2 electric ball valve 3, 2 DN25 stop valves altogether. The electric ball valve 3 is made of stainless steel, and the DN150 pipeline is made of common carbon steel. DN150 and DN25 are the limit to the size of fittings such as pipelines and stop valves, and the fittings with the caliber are selected in the quick oil drainage device, so that the fittings which are most economical and reliable to use are used on the basis of meeting the requirement of quick oil drainage. The leakage monitor 4 is an existing product, monitors whether oil leaks in a transformer pipeline, automatically sends an alarm signal to a background monitoring system after oil leaks, transmits the alarm signal in a hard contact mode, and monitored data are used for guiding operation and maintenance personnel to perform pipeline inspection and maintenance so as to avoid faults caused by excessive oil leakage of the transformer.
The embodiment of the utility model provides an in, the oil extraction pipe that oil drain port one end is connected is one section metal collapsible tube, sets up metal collapsible tube and mainly considers the problem of assembly error, and metal collapsible tube is adjustable, easy to assemble.
The embodiment of the utility model provides an in, DN150 oil drain valve door of reserving on will arranging oil device lug connection to the transformer body fast. During installation, under the condition that the oil drain valve of the transformer body is closed, the transition connecting pipe is connected, then the quick oil drain device is connected, and finally the pipeline between the quick oil drain device and the oil collecting pit is connected. The electric ball valve 3 of the quick oil discharging device adopts a remote manual electric starting mode, and when the necessary condition of oil discharging is met, the electric ball valve 3 is manually started to start oil discharging. When oil is discharged, transformer oil passes through the oil discharge valve of the transformer body and passes through the quick oil discharge device, and then is led to the oil collection pit position in the transformer oil pit through the oil discharge pipeline. During oil discharge, auxiliary means is not needed, the transformer body is discharged through the default oil tank opening, the height of the oil tank is about 10 m, and quick oil discharge can be realized by simply utilizing 10 m of clean oil pressure.
A transformer body quick oil discharge control system comprises: quick oil extraction device of transformer body sets up in control button case, display module and the display screen in a distant place, control button case, display module and display screen and quick oil extraction device realize remote communication, through control button case control distal end quick oil extraction device's electric ball valve 3, be used for starting electric ball valve 3. The display module and the display screen are used for displaying the state quantities of a heavy gas signal, a power-off signal, a fire alarm signal, the state of the electric ball valve, the leakage of a pipeline, the temperature and the humidity of the working environment of the quick oil discharge device and the like of the far-end transformer body. The heavy gas signal and the power-off signal are self-owned signals of the transformer, the fire alarm signal is obtained from a fire-fighting system of the converter station, and the state quantities of the electric ball valve, the pipeline leakage, the working environment temperature and humidity of the quick oil discharge device and the like are signals of the converter transformer quick oil discharge system. The control button box, the display module, the display screen and the quick oil discharge device are communicated in a hard contact mode, and reliable transmission is guaranteed. The above-mentioned techniques for remote communication and activation of the electric ball valve 3 are prior art and will not be described herein.
Finally, it is to be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a quick oil extraction device of transformer body which characterized in that includes: the oil discharge pipeline structure is formed by connecting two DN150 pipelines in parallel, and an electric ball valve and a leakage monitor are respectively arranged on each pipeline; one end of an oil discharge port after the two pipelines are connected in parallel and intersected is connected with an oil discharge pipe, the upper part of an intersection pipeline at the other end of the two pipelines which are connected in parallel and intersected is provided with a stop valve for vacuumizing, and the lower part of the intersection pipeline is provided with a stop valve for oil injection.
2. The quick oil drain device for the transformer body as claimed in claim 1, wherein the stop valve for vacuum pumping is a DN25 stop valve for vacuum pumping, and the stop valve for oil injection is a DN25 stop valve for oil injection.
3. The quick oil discharge device of transformer body according to claim 2, wherein said two pipes are made of common carbon steel, and said electric ball valve is made of stainless steel.
4. The transformer body rapid oil drainage device according to any one of claims 1 to 3, wherein the oil drainage pipeline structure formed by connecting two pipelines in parallel, the electric ball valve and the leakage monitor are all packaged in a fireproof shell.
5. The transformer body quick oil drain device of claim 4, wherein the side wall of the fireproof casing is provided with a terminal row.
6. The quick oil drain device for transformer body as claimed in claim 5, wherein the oil drain pipe is a metal hose.
7. The utility model provides a quick oil extraction control system of transformer body which characterized in that includes: the transformer body rapid oil discharge device of claim 6, which is arranged in a remote control button box, a display module and a display screen, wherein the control button box, the display module and the display screen realize wireless remote communication with the rapid oil discharge device, and send a control signal to an electric ball valve of the remote rapid oil discharge device through the control button box for starting the electric ball valve; and the display module and the display screen are used for displaying the state quantity of the far-end transformer body.
8. The system of claim 7, wherein the display module and the display screen display the state quantity of the remote transformer body, including but not limited to: heavy gas signal, power-off signal, fire alarm signal, electric ball valve state, pipeline leakage, and the working environment temperature and humidity of the quick oil discharge device.
9. The system of claim 7, wherein the control button box, the display module and the display screen communicate with the quick oil discharge device via hard contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020337009.2U CN211788530U (en) | 2020-03-17 | 2020-03-17 | Quick oil extraction device of transformer body and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020337009.2U CN211788530U (en) | 2020-03-17 | 2020-03-17 | Quick oil extraction device of transformer body and control system |
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| CN211788530U true CN211788530U (en) | 2020-10-27 |
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| CN202020337009.2U Active CN211788530U (en) | 2020-03-17 | 2020-03-17 | Quick oil extraction device of transformer body and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403154A (en) * | 2020-03-17 | 2020-07-10 | 山东电力设备有限公司 | Quick oil discharge device, control system and control method for transformer body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403154A (en) * | 2020-03-17 | 2020-07-10 | 山东电力设备有限公司 | Quick oil discharge device, control system and control method for transformer body |
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