CN110473696B

CN110473696B - Transformer maintenance-free moisture absorber with purification function

Info

Publication number: CN110473696B
Application number: CN201910681519.3A
Authority: CN
Inventors: 张勇; 金瑜孚; 董亮; 朱敏; 赵锋; 汤骏
Original assignee: Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2021-08-06
Anticipated expiration: 2039-07-26
Also published as: CN110473696A

Abstract

The invention discloses a transformer maintenance-free moisture absorber with a purification function, which comprises a bottom cover, a base, a glass cover, a flange, a connecting pipe and an oil collecting cup, wherein the base is arranged on the bottom cover, the glass cover is arranged on one side of the base, which is far away from the bottom cover, the top of the glass cover is provided with a silica gel inlet, the silica gel inlet is connected with a first connecting pipe, the first connecting pipe is fixedly connected with the glass cover through the flange, an inner cavity is arranged in the glass cover, a cylindrical filter plate is arranged in the inner cavity, a cavity is formed between the cylindrical filter plate and the inner wall of the glass cover, an ionization section and a collection section are arranged in the cavity, a filter layer is arranged in the base, a fan is arranged in the bottom cover and below the oil collecting cup, fan blades are arranged on the fan, and a plurality of air dispersing holes are arranged at the bottom of the bottom cover, the insulating effect of the transformer is improved, and the usability of the transformer is improved.

Description

Transformer maintenance-free moisture absorber with purification function

Technical Field

The invention relates to the technical field of transformers, in particular to a maintenance-free moisture absorber with a purification function for a transformer.

Background

The moisture absorber is also called a respirator and is used for removing and drying sundries and moisture in the air entering the transformer (or mutual inductor) oil storage cabinet due to the change of the temperature of the transformer oil so as to ensure the insulating strength of the transformer oil. However, in the existing transformer moisture absorption device, only the moisture absorption effect is achieved, and the waste gas generated inside cannot be effectively treated, so that the waste gas generated in the moisture absorption process enters the oil collection cup along with the inlet, and therefore the waste gas is easily generated in the transformer oil, the insulation effect of the transformer oil is affected, and the normal use of the transformer is affected. Therefore, there is a need for a maintenance-free moisture absorber for transformer with purification function to solve the existing disadvantages.

Disclosure of Invention

The purpose of the invention is as follows: the maintenance-free moisture absorber with the purification function for the transformer is provided to solve the problems in the prior art.

The technical scheme is as follows:

a maintenance-free moisture absorber of a transformer with a purification function comprises a bottom cover, a base, a glass cover, a flange, a connecting pipe and an oil collecting cup, wherein the base is installed on the bottom cover, the glass cover is installed on one side, far away from the bottom cover, of the base, a silica gel inlet is formed in the top of the glass cover, the connecting pipe I is connected to the silica gel inlet, the connecting pipe I is fixedly connected with the glass cover through the flange, an inner cavity is formed in the glass cover, a cylindrical filter plate is arranged in the inner cavity, a cavity is formed between the cylindrical filter plate and the inner wall of the glass cover, the cavity is communicated with the base and the inside of the bottom cover, an ionization section and a collection section are arranged in the cavity, a filter layer is arranged in the base, a fan is installed below the oil collecting cup in the bottom cover, and fan blades are installed on the fan, and the bottom of the bottom cover is provided with a plurality of air dissipation holes.

In a further embodiment, a partition board is arranged at the bottom of the fan, the partition board transversely penetrates through the inside of the bottom cover and divides the inside of the bottom cover into an upper bottom cavity and a lower bottom cavity, the fan can be installed at the lower part in the lamp cover, and the running stability of the fan is improved.

In a further embodiment, an air inlet and an air outlet are respectively arranged on two sides of the partition plate, wherein a backflow channel is formed between the upper part of the air outlet and the inner wall of the bottom cover, so that gas can be subjected to circulating secondary treatment, and the situation that the environment is influenced by directly discharging unqualified gas into the air is avoided.

In a further embodiment, a first channel is arranged below the gas inlet, a second channel is connected to the bottom of the first channel and on one side of the gas outlet, and a first valve and a second valve are respectively mounted on the first channel and the second channel, so that the gas up to the standard and the gas not up to the standard can be conveniently and respectively treated, and the gas not up to the standard is prevented from being mixed together.

In a further embodiment, a purification cavity is arranged below the gas outlet, an inlet of the purification cavity is connected with a gas outlet of the second channel, the gas outlet of the purification cavity is communicated with the backflow channel through the gas outlet, a detector is arranged on the inner wall of the first channel and close to one end of the second channel, and substandard gas can be discharged into the purification cavity independently for secondary purification.

In a further embodiment, a first filter screen, a second filter screen, an activated carbon adsorption screen and a first turbine are sequentially arranged in the purification cavity from left to right, so that unqualified gas can be effectively treated.

In a further embodiment, the bottom of end cover is equipped with detachable gas holder, wherein, be equipped with the connecting pipe opening on the gas holder, be connected with connecting pipe two on the connecting pipe opening, connecting pipe two just keeps away from the one end of gas holder is connected at two inlet end of turbine, two outlet end of turbine are connected with the generator, can collect the gas after handling, supply power to the generator with the gas of collecting for increase new forms of energy's utilization, avoid the waste of new forms of energy.

Has the advantages that: through be equipped with purification device that can purify the function in transformer moisture absorption device, promote to carry out effectual processing at the produced waste gas of moisture absorption in-process, avoid waste gas to enter into the purity that influences transformer oil in the collection oil cup, consequently, increased the insulating effect of transformer, improve the usability of transformer.

Drawings

FIG. 1 is a schematic diagram of an overall architecture according to an embodiment of the present invention;

FIG. 2 is a schematic partial cross-sectional view of a bottom cover according to an embodiment of the invention;

figure 3 is a schematic diagram of a gas storage can end according to an embodiment of the present invention.

In the figure:

1. a bottom cover; 2. a base; 3. a glass cover; 4. a flange; 5. a first connecting pipe; 6. an oil collecting cup; 7. a silica gel inlet; 8. a generator; 9. a cylindrical filter plate; 10. a cavity; 11. an ionization section; 12. a collection section; 13. a filter layer; 14. a fan; 15. a fan blade; 16. a wind-dispersing hole; 17. a partition plate; 18. an air inlet; 19. an air outlet; 20. a return channel; 21. a first channel; 22. a second channel; 23. a first valve; 24. a second valve; 25. purifying the cavity; 26. a detector; 27. a first filter screen; 28. a second filter screen; 29. an activated carbon adsorption net; 30. a first turbine; 31. a gas storage tank; 32. a second connecting pipe; 33. and a second turbine.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

In the first embodiment, as shown in fig. 1, the maintenance-free moisture absorber for a transformer with a purification function according to the embodiment of the present invention includes a bottom cover 1, a base 2, a glass cover 3, a flange 4, a first connecting pipe 5 and an oil collecting cup 6, where the base 2 is installed on the bottom cover 1, the glass cover 3 is installed on one side of the base 2 away from the bottom cover 1, a silica gel inlet 7 is installed at the top of the glass cover 3, the first connecting pipe 5 is connected to the silica gel inlet 7, the first connecting pipe 5 is fixedly connected to the glass cover 3 through the flange 4, an inner cavity is installed in the glass cover 3, a cylindrical filter plate 9 is installed in the inner cavity, a cavity 10 is formed between the cylindrical filter plate 9 and the inner wall of the glass cover 3, the cavity 10 is communicated with the base 2 and the inside of the bottom cover 1, an ionization section 11 and a collection section 12 are installed in the cavity 10, the oil collecting device is characterized in that a filter layer 13 is arranged in the base 2, a fan 14 is arranged in the bottom cover 1 and located below the oil collecting cup 6, fan blades 15 are arranged on the fan 14, and a plurality of air dispersing holes 16 are formed in the bottom of the bottom cover 1. The inside cylinder filter plate 9 that sets up to circular structure at glass cover 3, and, be equipped with a plurality of small opening in one side of cylinder filter plate 9, and it has moisture absorption material to fill in circular structure's cylinder filter plate 9 is inside, produced debris and waste gas side are passed through the small opening and are discharged the cavity that forms between cylinder filter plate 9 and the glass cover 3 inner wall inside moisture absorption, and carry out preliminary treatment through ionization section 11 and collection section 12, then the gas after handling is inside entering end cover 1 through filter layer 13, and discharge under fan 14 and fan blade 15 mutually supporting effect to the gas after the purification, make gas discharge through wind dispersing hole 16.

In the second embodiment, as shown in fig. 2, a partition 17 is disposed at the bottom of the fan 14, the partition 17 crosses the inside of the bottom cover 1 and divides the inside of the bottom cover 1 into an upper bottom chamber and a lower bottom chamber, an air inlet 18 and an air outlet 19 are disposed at two sides of the partition 17, wherein a backflow passage 20 is formed between the upper side of the air outlet 19 and the inner wall of the bottom cover 1, a first passage 21 is disposed below the air inlet 18, a second passage 22 is connected to the first passage 21 and the bottom of one side of the air outlet 19, a first valve 23 and a second valve 24 are respectively mounted on the first passage 21 and the second passage 22, a purification chamber 25 is disposed below the air outlet 19, an inlet of the purification chamber 25 is connected to an exhaust port of the second passage 22, and an exhaust port of the purification chamber 25 is communicated with the backflow passage 20 through the air outlet 19, a detector 26 is arranged on the inner wall of the first channel 21 and at one end close to the second channel 22, a first filter screen 27, a second filter screen 28, an activated carbon adsorption screen 29 and a first turbine 30 are arranged in the purification cavity 25 from left to right in sequence, a partition 17 is arranged at the bottom of the fan 14, when the gas collected in the bottom cover 1 flows into the first channel 21 through the air inlet 18, the gas is detected to reach the standard under the detection of the detector 26, if the gas reaches the standard, the first valve 23 is triggered to be opened, the qualified beneficial gas is directly discharged through the air dispersing hole 16, the gas which does not reach the standard triggers the second valve 24 to be opened, the gas which does not reach the standard is introduced into the purification cavity 25 for secondary purification, secondary purification is carried out under the filtration of the plurality of filter screens and the activated carbon adsorption screen 29, and then the secondarily treated gas is discharged into the return channel 20 through the first turbine 30, and the gas is introduced into the cavity formed between the cylindrical filter plate 9 and the inner wall of the glass cover 3 again through the return passage 20, passes through the ionization section 11, the collection section 12 and the filter layer 13, then is discharged into the first passage 21, and is subjected to secondary detection through the detector 26 again, so that the gas is discharged after reaching the standard.

In a third embodiment, as shown in fig. 3, a detachable gas storage tank 31 is disposed at the bottom of the bottom cover 1, wherein a connection pipe opening is disposed on the gas storage tank 31, a connection pipe second 32 is connected to the connection pipe opening, one end of the connection pipe second 32, which is far away from the gas storage tank 31, is connected to an air inlet end of a turbine second 33, an air outlet end of the turbine second 33 is connected to a generator 8, the processed gas is effectively collected, when a certain amount of the processed gas is collected, the gas in the gas storage tank 31 is introduced into the turbine second 33 to drive the turbine second 33 to work, and the turbine second 33 drives an engine shaft of the generator 8 to operate, so that the generator 8 is charged, and the gas is converted into an electric energy source for use on equipment.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, a cylindrical filter plate 9 with a circular structure is arranged in a glass cover 3, a plurality of leakage holes are formed in one side of the cylindrical filter plate 9, a moisture absorption material is filled in the cylindrical filter plate 9 with the circular structure, impurities and waste gas generated in the moisture absorption process are discharged into a cavity formed between the cylindrical filter plate 9 and the inner wall of the glass cover 3 through the leakage holes and are subjected to primary treatment through an ionization section 11 and a collection section 12, the treated gas enters the bottom cover 1 through a filter layer 13, the purified gas is discharged under the mutual matching action of a fan 14 and fan blades 15, the purified gas is discharged into a channel I21, whether the purified gas reaches the standard is detected through a detector 26, a valve I23 is opened and is discharged into a gas storage tank 31 through a wind dispersing hole 16 if the purified gas reaches the standard, a valve II 24 is opened if the purified gas does not reach the standard, the gas which does not reach the standard is subjected to secondary treatment, is introduced into the cavity 10 through the backflow channel 20 for secondary purification, is subjected to secondary detection through the detector 26 until the gas reaches the standard, is collected in the gas storage tank 31, and then drives the second turbine 33, so that the second turbine 33 drives the generator 8 to generate electricity, and the gas is converted into an electric energy source.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The maintenance-free moisture absorber of the transformer with the purification function is characterized by comprising a bottom cover (1), a base (2), a glass cover (3), a flange (4), a first connecting pipe (5) and an oil collecting cup (6), wherein the base (2) is installed on the bottom cover (1), the glass cover (3) is installed on one side, away from the bottom cover (1), of the base (2), the top of the glass cover (3) is provided with a silica gel inlet (7), the first connecting pipe (5) is connected onto the silica gel inlet (7), the first connecting pipe (5) is fixedly connected with the glass cover (3) through the flange (4), an inner cavity is arranged in the glass cover (3), a cylinder filter plate (9) is arranged in the inner cavity, and a cavity (10) is formed between the cylinder filter plate (9) and the inner wall of the glass cover (3), the cavity (10) is communicated with the base (2) and the inner part of the bottom cover (1), an ionization section (11) and a collection section (12) are arranged in the cavity (10), a filter layer (13) is arranged in the base (2), a fan (14) is arranged below the oil collecting cup (6) in the bottom cover (1), a fan blade (15) is arranged on the fan (14), and a plurality of air dispersing holes (16) are formed in the bottom of the bottom cover (1);

a cylindrical filter plate (9) with a circular structure is arranged in the glass cover (3), a plurality of leakage holes are formed in one side of the cylindrical filter plate (9), and a moisture absorption material is filled in the cylindrical filter plate (9) with the circular structure;

a partition plate (17) is arranged at the bottom of the fan (14), and the partition plate (17) transversely penetrates through the inside of the bottom cover (1) and divides the inside of the bottom cover (1) into an upper bottom cavity and a lower bottom cavity;

an air inlet (18) and an air outlet (19) are respectively arranged on two sides of the partition plate (17), wherein a backflow channel (20) is formed between the upper portion of the air outlet (19) and the inner wall of the bottom cover (1).

2. The transformer maintenance-free moisture absorber with the purification function as claimed in claim 1, wherein a first channel (21) is arranged below the air inlet (18), a second channel (22) is connected to the bottom of the first channel (21) on the side of the air outlet (19), and a first valve (23) and a second valve (24) are respectively mounted on the first channel (21) and the second channel (22).

3. The transformer maintenance-free moisture absorber with the purification function as claimed in claim 2, wherein a purification cavity (25) is arranged below the air outlet (19), an inlet of the purification cavity (25) is connected with an air outlet of the second channel (22), the air outlet of the purification cavity (25) is communicated with the return channel (20) through the air outlet (19), and a detector (26) is mounted on an inner wall of the first channel (21) and at an end close to the second channel (22).

4. The transformer maintenance-free moisture absorber with the purification function as recited in claim 3, wherein the purification cavity (25) is provided with a first filter screen (27), a second filter screen (28), an activated carbon adsorption screen (29) and a first turbine (30) in sequence from left to right.

5. The transformer maintenance-free moisture absorber with the purification function as claimed in claim 1, wherein a detachable air storage tank (31) is arranged at the bottom of the bottom cover (1), wherein a connecting pipe opening is arranged on the air storage tank (31), a second connecting pipe (32) is connected to the connecting pipe opening, one end of the second connecting pipe (32) far away from the air storage tank (31) is connected to an air inlet end of a second turbine (33), and an air outlet end of the second turbine (33) is connected to the generator (8).