CN214476856U - Online oil filter device of transformer - Google Patents
Online oil filter device of transformer Download PDFInfo
- Publication number
- CN214476856U CN214476856U CN202120024856.8U CN202120024856U CN214476856U CN 214476856 U CN214476856 U CN 214476856U CN 202120024856 U CN202120024856 U CN 202120024856U CN 214476856 U CN214476856 U CN 214476856U
- Authority
- CN
- China
- Prior art keywords
- oil
- vacuum
- transformer
- tank
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transformer Cooling (AREA)
Abstract
The utility model discloses an online oil filter device of transformer, including transformer, vacuum separator tank, buffer tank, vacuum pump and buffer tank, the transformer passes through oil inlet pipe and oil outlet pipe and communicates with buffer tank, and the upper portion of buffer tank communicates with the upper portion of vacuum separator tank through vacuum tube A, and the lower part of buffer tank communicates with the upper portion and the lower part of vacuum separator tank through oil pipe A and oil pipe B respectively, and vacuum separator tank upper portion is passed through vacuum tube B and is connected with the buffer tank, and the buffer tank communicates with the vacuum pump through vacuum tube C; the oil outlet pipeline, the oil pipe A and the oil pipe B are all provided with a filtering device and a power device, and the oil inlet pipeline is provided with a power device. Since the technical scheme is used, the utility model has the advantages of structural configuration is reasonable, the use is reliable, adopt it can filter moisture, gas and impurity in the transformer oil on line, guaranteed the quality of transformer oil, prevented the damage of transformer, guaranteed the normal operating of transformer.
Description
Technical Field
The utility model relates to an oil filter, especially an online oil filter of transformer.
Background
At present, for degassing treatment of transformer oil in transformers at home and abroad, in order to pursue the highest efficiency, a vacuum treatment mode is mostly adopted; although this method is feasible, when oil is filtered on line, the input oil may cause serious accidents such as transformer oil breakdown if the input oil is mixed with excessive gas, impurities and moisture because of the high risk coefficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out gas, moisture and impurity to transformer oil on-line oil filter equipment that filters on line.
The utility model aims at realizing through such technical scheme, an online oil filter of transformer, including the transformer, the oil filter still includes vacuum separator, buffer tank, vacuum pump and takes level sensor A's buffer tank, the transformer passes through oil inlet pipe and oil outlet pipe and communicates with the buffer tank, the upper portion of buffer tank communicates with the upper portion of vacuum separator through vacuum tube A, the lower part of buffer tank communicates with the upper portion and the lower part of vacuum separator through oil pipe A and oil pipe B respectively, vacuum separator upper portion passes through vacuum tube B and links to each other with the buffer tank, the buffer tank communicates with the vacuum pump through vacuum tube C; and the oil outlet pipeline, the oil pipe A and the oil pipe B are all provided with a filtering device and a power device, and the oil inlet pipeline is provided with a power device.
The power device comprises a variable frequency motor A with an oil pump, a variable frequency motor B with an oil pump, a variable frequency motor C with an oil pump and a variable frequency motor D with an oil pump, wherein the variable frequency motor A is arranged on the oil inlet pipeline, the variable frequency motor B is arranged on the oil outlet pipeline, the variable frequency motor C with an oil pump is arranged on the oil pipe A, and the variable frequency motor D with an oil pump is arranged on the oil pipe B.
Wherein, filter equipment is including setting up on advancing oil pipe way and being located inverter motor A exit end filter A, setting up on oil pipe way and being located inverter motor B exit end filter B, setting up on oil pipe A and being located inverter motor C exit end filter C and filter D.
In order to control the vacuum pumping of the opening and closing pipeline and the flow of the transformer oil, a solenoid valve A, a solenoid valve B, a solenoid valve C, a solenoid valve D, a solenoid valve E and a solenoid valve F are respectively arranged on the oil inlet pipeline, the oil outlet pipeline, the oil pipe A, the oil pipe B and the vacuum pipe A; the electromagnetic valve A is positioned between the filter A and the transformer, the electromagnetic valve B is positioned between the variable frequency motor B and the transformer, and the electromagnetic valve C and the electromagnetic valve D are both close to the cache oil tank; and the electromagnetic valve F is communicated with the oil inlet pipeline and the oil outlet pipeline.
In order to separate water and gas, a steam-water separation tank, an electronic vacuum gauge and a roots pump are sequentially arranged on the vacuum tube B, the steam-water separation tank is close to the vacuum separation tank, and the roots pump is close to the buffer tank; and a vacuum inflation valve is arranged on the vacuum tube C.
In order to control the oil level to be stable, a liquid level sensor B communicated with the vacuum separation tank is arranged at the lower part of the outer wall of the vacuum separation tank.
In order to eliminate the foam in the vacuum separation tank, an air supply electromagnetic valve and a vacuum meter which are communicated with the vacuum separation tank are arranged on the outer wall of the vacuum separation tank.
In order to heat the transformer oil, a heater, a vacuum pressure gauge, a temperature sensor and a one-way valve A are sequentially arranged on the oil pipe B and between the variable frequency motor D and the vacuum separation tank, the heater is close to the variable frequency motor D, and the one-way valve A is close to the vacuum separation tank.
In order to monitor the running state, a check valve B, a pressure transmitter A, a pressure gauge A and a pressure gauge B are arranged on the oil pipe A, the check valve B is positioned between the variable frequency motor C and the filter C, the pressure transmitter A is positioned between the filter C and the check valve B, and the pressure gauge A is positioned between the filter C and the pressure transmitter A; and the oil pipe B is provided with a pressure transmitter B and a flow switch, the pressure transmitter B is positioned between the variable frequency motor D and the heater, and the flow switch is positioned between the pressure transmitter B and the heater.
Since the technical scheme is used, the utility model has the advantages of structural configuration is reasonable, the use is reliable, adopt it can filter moisture, gas and impurity in the transformer oil on line, guaranteed the quality of transformer oil, prevented the damage of transformer, guaranteed the normal operating of transformer.
Drawings
The drawings of the utility model are as follows:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the appended claims.
Example 1: as shown in fig. 1, an online oil filtering device for a transformer comprises a transformer 37, the oil filtering device further comprises a vacuum separation tank 20, a buffer tank 26, a vacuum pump 28 and a buffer oil tank 6 with a liquid level sensor a4, the transformer 37 is communicated with the buffer oil tank 6 through an oil inlet pipe 38 and an oil outlet pipe 39, the upper part of the buffer oil tank 6 is communicated with the upper part of the vacuum separation tank 20 through a vacuum pipe a40, the lower part of the buffer oil tank 6 is communicated with the upper part and the lower part of the vacuum separation tank 20 through an oil pipe a41 and an oil pipe B42 respectively, the upper part of the vacuum separation tank 20 is connected with the buffer tank 26 through a vacuum pipe B43, and the buffer tank 26 is communicated with the vacuum pump 28 through a vacuum pipe C44; the oil outlet pipeline 39, the oil pipe A41 and the oil pipe B42 are all provided with a filtering device and a power device, and the oil inlet pipeline 38 is provided with a power device.
Wherein, in the utility model discloses in, power device is including setting up the inverter motor A9 of taking the oil pump on oil inlet pipe 38, the inverter motor B2 of taking the oil pump of setting on oil outlet pipe 39, the inverter motor C30 of taking the oil pump of setting on oil pipe A41 and the inverter motor D13 of taking the oil pump of setting on oil pipe B42.
Further, in order to filter impurities and the like in the transformer oil, the filtering device comprises a filter A10 which is arranged on the oil inlet pipeline 38 and is positioned at the outlet end of the variable frequency motor A9, a filter B3 which is arranged on the oil outlet pipeline 39 and is positioned at the outlet end of the variable frequency motor B2, a filter C34 which is arranged on the oil pipe A41 and is positioned at the outlet end of the variable frequency motor C30, and a filter D36.
In order to control the extraction of opening and closing pipeline vacuum and the flow of transformer oil, a solenoid valve A11, a solenoid valve B1, a solenoid valve C7, a solenoid valve D8, a solenoid valve E5 and a solenoid valve F12 are respectively arranged on the oil inlet pipeline 38, the oil outlet pipeline 39, the oil pipe A41, the oil pipe B42 and the vacuum pipe A40; the electromagnetic valve A11 is positioned between the filter A10 and the transformer 37, the electromagnetic valve B1 is positioned between the variable frequency motor B2 and the transformer 37, and the electromagnetic valve C7 and the electromagnetic valve D8 are both close to the buffer oil tank 6; the electromagnetic valve F12 is communicated with the oil inlet pipeline 38 and the oil outlet pipeline 39.
In order to separate water and gas, a steam-water separation tank 23, an electronic vacuum gauge 24 and a roots pump 25 are sequentially arranged on the vacuum pipe B43, wherein the steam-water separation tank 23 is close to the vacuum separation tank 20, and the roots pump 25 is close to the buffer tank 26; a vacuum inflation valve 27 is provided on the vacuum tube C44.
In order to control the oil level to be stable, a liquid level sensor B29 communicating with the vacuum separation tank 20 is provided at a lower portion of an outer wall of the vacuum separation tank 20.
In order to eliminate the foam in the vacuum separation tank, an air supply electromagnetic valve 22 and a vacuum gauge 21 which are communicated with the vacuum separation tank 20 are arranged on the outer wall of the vacuum separation tank 20.
In order to heat the transformer oil, a heater 16, a vacuum pressure gauge 17, a temperature sensor 18 and a one-way valve A19 are sequentially arranged on the oil pipe B42 and between the variable frequency motor D13 and the vacuum separation tank 20, the heater 16 is close to the variable frequency motor D13, and the one-way valve A19 is close to the vacuum separation tank 20.
In order to monitor the operation state, a check valve B31, a pressure transmitter A32, a pressure gauge A33 and a pressure gauge B35 are arranged on the oil pipe A41, the check valve B31 is positioned between a variable frequency motor C30 and a filter C34, the pressure transmitter A32 is positioned between a filter C34 and the check valve B31, and the pressure gauge A33 is positioned between the filter C34 and a pressure transmitter A32; and a pressure transmitter B14 and a flow switch 15 are arranged on the oil pipe B42, the pressure transmitter B14 is positioned between the variable frequency motor D13 and the heater 16, and the flow switch 15 is positioned between the pressure transmitter B14 and the heater 16.
In the utility model, 1-2 tons of new oil is needed to be prepared when the oil pump is operated for the first time, the new oil is connected to an inlet of a solenoid valve B and is conveyed to a filter B through a variable frequency motor B with an oil pump and then enters a buffer oil tank; in order to prevent the air chambers in the pipeline and the tank body, firstly, a vacuum degassing mode (positioned on a control panel) is started, a solenoid valve B1, a solenoid valve E5, a solenoid valve C7, a solenoid valve D8, a solenoid valve A11, a solenoid valve F12, a vacuum inflation valve 27, a starting vacuum pump 28 and a roots pump 25 are automatically opened, a variable frequency motor B2 with an oil pump, a variable frequency motor A9, a variable frequency motor D13 and a variable frequency motor 3C0 are started, the operation is carried out for a specified time, and the air in a vacuum tube A, a vacuum tube B and a vacuum tube C is eliminated.
After the vacuum degassing mode is finished, automatic on-line oil filtering is selected, and the action is taken as a full-automatic mode. At the moment, the oil filter carries out online oil filtering according to the specified action; when the electric vacuum pump is started, the electromagnetic valve C7, the electromagnetic valve D8 and the vacuum inflation valve 27 are started, the vacuum pump 28 is started, the electronic vacuum meter 24 specifies the vacuum degree, the roots pump 25 is started, and the variable frequency motor D13 with the oil pump is started; after passing through the flow switch 15, the flow switch 15 monitors the oil flow rate, and the heater 16 is automatically turned off when the flow rate is too low; the hot oil passes through the temperature sensor 18, the heating is automatically cut off after the hot oil reaches the set temperature, the transformer oil enters the vacuum separation tank 20 through the one-way valve A19, and the separated gas and water vapor pass through the steam-water separation tank 23 and are discharged after passing through the roots pump 25, the buffer tank 26, the vacuum inflation valve 27 and the vacuum pump 28. After passing through a variable frequency motor C30 with an oil pump and a check valve B31, the transformer oil sequentially enters a filter C34 and a filter D36 to filter impurities, and the filtered oil enters a buffer tank 6 through an electromagnetic valve C7. The vacuum pressure gauge 17, the vacuum gauge 21, the pressure gauge 33A and the pressure gauge B35 display the operation vacuum pressure value of the equipment and the operation appointed time.
When the internal circulation mode is finished, the variable frequency motor D13 with the oil pump is closed, the electromagnetic valve D8 is closed, the variable frequency motor C30 with the oil pump is stopped, the electromagnetic valve C7 is closed, and the operation of the vacuum pump is kept. And standing for a designated time, wherein the oil liquid in the buffer oil tank 6 enters a static state. The liquid level sensor A4 automatically records the initial liquid level, the electromagnetic valve B1 and the electromagnetic valve A11 are automatically opened, the variable frequency motor B2 with the oil pump and the variable frequency motor A9 are started, and the system starts to replace the oil to be treated in the transformer according to the set oil injection amount. In the process, the flow of the oil supply pump is automatically adjusted according to the set value, and the liquid level is stabilized at the position recorded by the liquid level sensor A4. If the liquid level fluctuation measured by the liquid level sensor A4 is too large, the equipment closes the variable frequency motor B2 with the oil pump, the variable frequency motor A9, the electromagnetic valve B1 and the electromagnetic valve A11, and the safety of the transformer is protected. After multiple times of circulating filtration, gas, micro water and impurities in the transformer oil can be filtered on line, and the insulativity of the transformer oil is improved.
The utility model discloses in, when the oil strain and the oiling pipe diameter be DN25, and design oiling flow is adjustable for 0 ~ 5L/min, and design oil strain velocity of flow is adjustable for 0-30L/min. According to the design of a 1-ton buffer oil tank, the oil filtering time is about 1.8h in a circulating mode, the replacement speed of the oil injection system to the 1-ton oil tank is 5L/min, the time is required to be 3.6h, and the single treatment time is 5.4 h. Considering that the oiling system needs to be arranged at specified intervals when the vacuum system is switched to be connected with the transformer body, the 30 ton oil once circulation pretreatment time is 165h, about 7 days, and 4 times can be circulated in one month, so that the degassing requirement of the transformer oil is completely met.
Claims (9)
1. The utility model provides an online oil filter equipment of transformer, includes transformer (37), characterized by: the oil filtering device further comprises a vacuum separation tank (20), a buffer tank (26), a vacuum pump (28) and a buffer oil tank (6) with a liquid level sensor A (4), wherein the transformer (37) is communicated with the buffer oil tank (6) through an oil inlet pipeline (38) and an oil outlet pipeline (39), the upper part of the buffer oil tank (6) is communicated with the upper part of the vacuum separation tank (20) through a vacuum pipe A (40), the lower part of the buffer oil tank (6) is communicated with the upper part and the lower part of the vacuum separation tank (20) through an oil pipe A (41) and an oil pipe B (42) respectively, the upper part of the vacuum separation tank (20) is connected with the buffer tank (26) through a vacuum pipe B (43), and the buffer tank (26) is communicated with the vacuum pump (28) through a vacuum pipe C (44); and the oil outlet pipeline (39), the oil pipe A (41) and the oil pipe B (42) are respectively provided with a filtering device and a power device, and the oil inlet pipeline (38) is provided with the power device.
2. The online oil filtering device of the transformer as claimed in claim 1, which is characterized in that: the power device comprises a variable frequency motor A (9) with an oil pump, which is arranged on an oil inlet pipeline (38), a variable frequency motor B (2) with an oil pump, which is arranged on an oil outlet pipeline (39), a variable frequency motor C (30) with an oil pump, which is arranged on an oil pipe A (41), and a variable frequency motor D (13) with an oil pump, which is arranged on an oil pipe B (42).
3. The online oil filtering device of the transformer as claimed in claim 2, which is characterized in that: the filtering device comprises a filter A (10) which is arranged on the oil inlet pipeline (38) and is positioned at the outlet end of the variable frequency motor A (9), a filter B (3) which is arranged on the oil outlet pipeline (39) and is positioned at the outlet end of the variable frequency motor B (2), a filter C (34) which is arranged on the oil pipe A (41) and is positioned at the outlet end of the variable frequency motor C (30), and a filter D (36).
4. The online oil filtering device of the transformer as claimed in claim 3, which is characterized in that: the oil inlet pipeline (38), the oil outlet pipeline (39), the oil pipe A (41), the oil pipe B (42) and the vacuum pipe A (40) are respectively provided with a solenoid valve A (11), a solenoid valve B (1), a solenoid valve C (7), a solenoid valve D (8), a solenoid valve E (5) and a solenoid valve F (12); the electromagnetic valve A (11) is positioned between the filter A (10) and the transformer (37), the electromagnetic valve B (1) is positioned between the variable frequency motor B (2) and the transformer (37), and the electromagnetic valve C (7) and the electromagnetic valve D (8) are both close to the buffer oil tank (6); the electromagnetic valve F (12) is communicated with the oil inlet pipeline (38) and the oil outlet pipeline (39).
5. The online oil filtering device of the transformer as claimed in claim 4, which is characterized in that: a steam-water separation tank (23), an electronic vacuum gauge (24) and a roots pump (25) are sequentially arranged on the vacuum tube B (43), the steam-water separation tank (23) is close to the vacuum separation tank (20), and the roots pump (25) is close to the buffer tank (26); a vacuum inflation valve (27) is arranged on the vacuum tube C (44).
6. The online oil filtering device of the transformer as claimed in claim 5, which is characterized in that: and a liquid level sensor B (29) communicated with the vacuum separation tank (20) is arranged at the lower part of the outer wall of the vacuum separation tank (20).
7. The online oil filtering device of the transformer as claimed in claim 5, which is characterized in that: an air supply electromagnetic valve (22) and a vacuum meter (21) which are communicated with the vacuum separation tank (20) are arranged on the outer wall of the vacuum separation tank (20).
8. The online oil filtering device of the transformer as claimed in claim 7, which is characterized in that: the oil pipe B (42) is provided with a heater (16), a vacuum pressure gauge (17), a temperature sensor (18) and a one-way valve A (19) in sequence between the variable frequency motor D (13) and the vacuum separation tank (20), the heater (16) is close to the variable frequency motor D (13), and the one-way valve A (19) is close to the vacuum separation tank (20).
9. The online oil filtering device of the transformer as claimed in claim 8, which is characterized in that: the oil pipe A (41) is provided with a one-way valve B (31), a pressure transmitter A (32), a pressure gauge A (33) and a pressure gauge B (35), the one-way valve B (31) is positioned between the variable frequency motor C (30) and the filter C (34), the pressure transmitter A (32) is positioned between the filter C (34) and the one-way valve B (31), and the pressure gauge A (33) is positioned between the filter C (34) and the pressure transmitter A (32); the oil pipe B (42) is provided with a pressure transmitter B (14) and a flow switch (15), the pressure transmitter B (14) is positioned between the variable frequency motor D (13) and the heater (16), and the flow switch (15) is positioned between the pressure transmitter B (14) and the heater (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120024856.8U CN214476856U (en) | 2021-01-06 | 2021-01-06 | Online oil filter device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120024856.8U CN214476856U (en) | 2021-01-06 | 2021-01-06 | Online oil filter device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476856U true CN214476856U (en) | 2021-10-22 |
Family
ID=78138511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120024856.8U Active CN214476856U (en) | 2021-01-06 | 2021-01-06 | Online oil filter device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665225A (en) * | 2022-04-18 | 2022-06-24 | 四川卓勤新材料科技有限公司 | Automatic oil filtering system for lithium ion battery diaphragm production line and control method |
-
2021
- 2021-01-06 CN CN202120024856.8U patent/CN214476856U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665225A (en) * | 2022-04-18 | 2022-06-24 | 四川卓勤新材料科技有限公司 | Automatic oil filtering system for lithium ion battery diaphragm production line and control method |
| CN114665225B (en) * | 2022-04-18 | 2023-12-01 | 四川卓勤新材料科技有限公司 | Automatic oil filtering system of lithium ion battery diaphragm production line and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214476856U (en) | Online oil filter device of transformer | |
| CN108088089A (en) | A kind of water purifier heating means | |
| CN106812178A (en) | A kind of purification of air purifies water-making machine | |
| CN105351030B (en) | Aero-engine low-temperature starting controller | |
| CN110886600A (en) | Well site flowback fluid treatment integrated device and use method thereof | |
| CN207365390U (en) | A kind of energy saving double intelligent direct drinking machine/water boiling machines of heat | |
| CN206526807U (en) | For producing water reducer automatic temp controller | |
| CN102606885B (en) | Petroleum gas dewatering purifying equipment waste heat recovery heat tracing method | |
| CN216255232U (en) | Heat recovery system of konjak cooking pond | |
| CN110846066B (en) | Well head sleeve pipe associated gas recovery unit | |
| CN208104069U (en) | A kind of intelligence water circulating apparatus | |
| CN211115952U (en) | Well site flowback fluid treatment integrated device | |
| CN207874789U (en) | A kind of oil type die heater board | |
| US9217583B2 (en) | Method for draining thermal oil in a thermosolar plant, and corresponding auxiliary installation for carrying out said method | |
| CN207811706U (en) | A kind of automatic hydrating apparatus of edible oil | |
| CN201006888Y (en) | Immersion type steel roll primary heater unit | |
| CN206817757U (en) | One kind swimming hot spring heat pump | |
| CN206156881U (en) | Under-kitchen water purifier | |
| CN206430432U (en) | A kind of shop equipment cooling system | |
| CN212270177U (en) | Water cooling circulation system capable of achieving induction heating | |
| CN205825189U (en) | Home-use hot water heating blood circulation | |
| CN215906161U (en) | Novel vertical natural gas separation heating treatment device for oil and gas fields | |
| CN105758029B (en) | A kind of solar water heating system of intelligent constant-temperature | |
| CN209631004U (en) | Urea feeding dissolution system | |
| CN204776900U (en) | Acetic acid storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |