CN115466629B

CN115466629B - Production device and production method of transformer oil

Info

Publication number: CN115466629B
Application number: CN202210950703.5A
Authority: CN
Inventors: 李美娜; 范思中; 吴远东
Original assignee: Shenzhen Shiyun Materials Co ltd
Current assignee: Shenzhen Shiyun Materials Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-06-13
Anticipated expiration: 2042-08-09
Also published as: CN115466629A

Abstract

The invention discloses a production device and a production method of transformer oil, relates to the technical field of production devices of transformer oil, and solves the problems that most of clean transformer oil is a product of fractionation in petroleum, no purification operation is performed on the polluted transformer oil, and secondary utilization of a transformer is impossible. The utility model provides a production device and production method of transformer oil, includes the buffer tank, the lower extreme of buffer tank is connected with filtering mechanism, filtering mechanism's lower extreme is connected with temporary storage tank, temporary storage tank's lower extreme is connected with first connecting pipe, the one end of first connecting pipe is connected with condensing mechanism. According to the invention, the upper end of the tank shell is fixedly provided with the liquid inlet, and the diameter of the liquid inlet is larger than that of the liquid outlet at the lower end of the tank shell, so that the transformer oil can flow into the tank shell rapidly through the liquid inlet, and the liquid outlet can enable the voltage transformer to flow out slowly, so that the tank shell has a buffer storage effect on the whole transformer oil.

Description

Production device and production method of transformer oil

Technical Field

The invention relates to the field of transformer oil production, in particular to a production device and a production method of transformer oil.

Background

With the rapid development of social economy, the transformer oil production can be oil obtained by refining crude oil, or pure transformer oil obtained by purifying transformer oil used in a transformer for a certain period of time, wherein the transformer oil is a fractionation product of petroleum, and the main components of the transformer oil are compounds such as alkane, naphthenic saturated hydrocarbon, aromatic unsaturated hydrocarbon and the like, commonly known as square shed oil, light yellow transparent liquid and a freezing point of minus 45 ℃.

The good transformer oil is clean and transparent liquid, and the transformer oil after long-term use has sediment, mechanical impurity suspended matters and cotton-like substances, so that the transformer oil is extremely easy to be polluted and oxidized by water vapor in the air and generates resin and sediment, the service life of the transformer oil is greatly reduced, and meanwhile, the transformer oil is turbid and milky, so that the oil contains moisture.

However, most of the existing clean transformer oil is a product of fractionation in petroleum, the polluted transformer oil is not subjected to purification operation, and the transformer cannot be reused; and only the transformer oil at the fractionation place from petroleum can be used, so that a great amount of waste of the transformer oil is caused, and the fractionation output of the transformer oil is dependent. Therefore, the existing requirements are not met, and a production device and a production method of the transformer oil are provided.

Disclosure of Invention

The invention aims to provide a production device and a production method of transformer oil, which aim to solve the problems that most of the existing clean transformer oil is a product of fractionation in petroleum, the polluted transformer oil is not purified, and the transformer cannot be reused in the background art; and only the transformer oil at the fractionation position from petroleum can be used, so that a great amount of transformer oil is wasted, and the fractionation yield of the transformer oil is dependent.

In order to achieve the above purpose, the present invention provides the following technical solutions: the production device of the transformer oil comprises a buffer tank, wherein the lower end of the buffer tank is connected with a filtering mechanism, the lower end of the filtering mechanism is connected with a temporary storage tank, the lower end of the temporary storage tank is connected with a first connecting pipe, one end of the first connecting pipe is connected with a condensing mechanism, one end of the condensing mechanism is connected with a second connecting pipe, one end of the second connecting pipe is connected with a waste liquid storage tank, the rear side of the upper end of the condensing mechanism is connected with a third connecting pipe, the rear end of the third connecting pipe is connected with an oil storage tank, and one side of the upper end of the oil storage tank is fixedly provided with an air valve;

the filter mechanism comprises a filter shell, a first matching plate, a second metal net, a filter cavity, a first metal net, a solid filter and an activated carbon block, wherein the first matching plate is arranged on one end face oblique inserting device of the filter shell, the second matching plate is arranged on the lower oblique inserting device of the first matching plate, the two first metal nets are welded on the inner side of the first matching plate, the solid filter is fixedly arranged between the two first metal nets, the filter cavity is fixedly arranged on the solid filter, the two second metal nets are welded on the inner side of the second matching plate, and the activated carbon block is fixedly arranged between the two second metal nets.

Preferably, the filter mechanism is located between the buffer tank and the temporary storage tank in a forty-five-degree angle connection mode, and the front side and the rear side of the lower end of one side of the filter mechanism are respectively connected with a support plate.

Preferably, a buffer plate is fixedly arranged between the second metal net and the first metal net, the buffer plate is fixedly arranged on one side close to the second metal net, and a side hole is formed in the corner of the buffer plate in a penetrating mode.

Preferably, the buffer tank comprises a tank shell, a liquid outlet and a liquid inlet, wherein the liquid inlet is fixedly arranged at the upper end inside the tank shell, the liquid outlet is fixedly arranged at one side of the lower end inside the tank shell, and the diameter of the liquid outlet is smaller than that of the liquid inlet.

Preferably, the condensing mechanism comprises an outer tank body, an inner tank body, a condensing ring and refrigerating sheets, the inner tank body is supported and arranged in the middle of the inner portion of the outer tank body, the condensing ring is fixedly arranged on the periphery of the inner tank body, the plurality of refrigerating sheets are adhered to the surface of the condensing ring, and an end plate connecting mechanism is arranged at the upper end of the outer tank body in a matched mode.

Preferably, the first connecting pipe and the end plate connecting mechanism are connected in an inserting and assembling way, the third connecting pipe penetrates through the end plate connecting mechanism and extends to the inside of the inner tank body, and the middle of the bottom end of the inner tank body is fixedly connected with the second connecting pipe.

Preferably, the end plate connecting mechanism comprises an upper end plate, a connecting sleeve column, an inner cavity, a connecting spring and a clamping block, wherein the connecting sleeve column is fixedly arranged in the middle of the upper end plate, two inner cavities are fixedly arranged on two sides of the inner portion of the connecting sleeve column, the inner cavities are internally connected with the connecting spring, and one end of the connecting spring is connected with the clamping block.

Preferably, the metal lantern ring is fixedly arranged around one end of the first connecting pipe, two clamping grooves are fixedly formed in two sides of the surface of the metal lantern ring, one end inside the inner cavity is connected with the clamping block through the connecting type spring, the other end of the clamping block is clamped in the metal lantern ring, the middle of the connecting sleeve column is penetrated and provided with a plug-in mounting hole, and one section of plug-in mounting of the metal lantern ring and the first connecting pipe is positioned in the plug-in mounting hole on the inner side of the connecting sleeve column.

Preferably, the first connecting pipe is connected with a third pressure pump, the second connecting pipe is connected with a second pressure pump, and the third connecting pipe is connected with a first pressure pump.

Compared with the prior art, the production device has the beneficial effects that: the diameter of the liquid inlet is larger than that of the liquid outlet at the lower end of the tank body shell, so that the transformer oil can quickly flow into the tank body shell through the liquid inlet, and the voltage device can slowly flow out through the liquid outlet, so that the tank body shell has a buffer storage effect on the whole transformer oil; the integral filtering mechanism is set to incline at an angle of forty-five degrees, so that the transformer oil can flow downwards under the influence of gravity, and further, the two filtering devices inside the filtering mechanism separate and filter solid impurities and mixed gas in the transformer oil; the integral first metal net is inserted and arranged at the upper end of the filter shell, so that when impurities are excessively accumulated in the filter cavity, a worker can pull out the integral first matching plate and the first metal net from the filter shell to clean the impurities accumulated in the filter cavity, and similarly, when the gas absorbed in the activated carbon block is saturated, the integral second matching plate and the second metal net can be pulled out to replace the activated carbon block; the pressure relief treatment can be carried out on the air pressure in the oil storage tank by fixedly arranging the oil storage tank, so that more liquid can be filled in the oil storage tank; through the fixed linking sleeve that sets up in centre department at last end plate upper end for linking sleeve inside both sides can be fixed and set up the inner chamber, then when the metal lantern ring cartridge of holistic first linking pipe one end is in the cartridge hole of linking sleeve centre department, the inside connection formula spring of inner chamber can elasticity can promote the fixture block outside, and then make holistic four fixture block pairwise press and the clamping in the draw-in groove on the metal lantern ring, can carry out the clamping fixed to holistic first linking pipe and metal lantern ring, make holistic first linking pipe deviate from in can following end plate coupling mechanism through this kind of setting, and end plate coupling mechanism clamping is located the upper end of outer jar body, end plate coupling mechanism can take off from condensing mechanism, the staff has made things convenient for the maintenance to condensing mechanism internals.

The invention also provides a production method of the production device of the transformer oil, which comprises the following steps:

(A) Firstly, waste transformer oil flows into the tank body shell through pipelines such as a connecting pipe, flows into the tank body shell from a liquid inlet at the upper end of the tank body shell, flows out from a liquid outlet at the lower end of the tank body shell, and flows into the upper side of the filter shell;

(B) At the moment, the transformer oil can flow through the inside of a first matching plate at the upper end of the filter shell, and two first metal nets are connected in the first matching plate, and solid filters are filled in the two first metal nets, so that the solid filters can filter impurities of the whole transformer oil;

(C) Then the transformer is provided with a buffer plate which is fixedly arranged at the middle part inside the filter shell and is close to the middle part inside the filter shell, so that the buffer plate can buffer the flowing transformer oil again, the transformer oil slowly flows into the activated carbon block, and the effect of the activated carbon block on the transformer oil filtration is improved;

(D) The activated carbon block can be used for adhering the gas of the transformer oil, so as to filter the gas bubbles of the transformer oil, and then the transformer oil flows out from the lower section of the filter shell and enters a temporary storage tank for storage, and the temporary storage tank can be used for temporarily storing the transformer oil;

(E) The third pressure pump is opened, so that the first connecting pipe drives the transformer oil in the temporary storage tank into the inner tank body at the inner side of the outer tank body, a condensation ring and a refrigerating sheet are fixedly arranged around the outer surface of the inner tank body, the whole transformer oil is kept stand in the inner tank body, the condensation ring and the refrigerating sheet can cool the transformer oil in the inner tank body to minus five ℃ at the moment, mixed water in the transformer oil freezes at the bottom end of the inner tank body, and the transformer oil is arranged at the upper side of the inner tank body;

(F) And finally, opening a first pressure pump on the third connecting pipe, extracting pure transformer oil at the upper side inside the inner tank body into the oil storage tank, placing the whole condensing mechanism for a period of time, melting solid water at the bottom end of the inner tank body along with the temperature rise, opening a second pressure pump on the second connecting pipe, and extracting redundant mixed liquid into the waste liquid storage tank.

Compared with the prior art, the production method has the beneficial effects that:

according to the invention, the filter cavity is fixedly arranged between the inside of the first metal net and the inside of the solid filter, when transformer oil passes through the first metal net, the transformer oil is firstly deposited in the filter cavity on the solid filter, and the solid filter is made of fine sand, so that the whole transformer oil is filtered, and solid impurities in the transformer are accumulated in the filter cavity; through the side holes penetrating through the end corners of the buffer plate, the transformer oil slowly flows out, when the transformer oil is more, the transformer oil can be gradually accumulated in the vertical direction of the buffer plate, and then gradually flows into the activated carbon block in the vertical direction of the buffer plate; through fixedly being provided with condensation ring and refrigeration piece around the outer surface of inner tank body, condensation ring and refrigeration piece can cool to below-zero five ℃ to the inside transformer oil of inner tank body, then freeze with the water deposit of transformer oil mixture, and the freezing point of transformer oil is below-zero forty-five ℃, and transformer oil still is liquid, at this moment carries out the extraction with liquid transformer oil, can obtain pure transformer oil.

Drawings

FIG. 1 is a schematic view of the overall front side perspective of the present invention;

FIG. 2 is a schematic view of the overall rear side perspective of the present invention;

FIG. 3 is a front cut-away view of the overall structure of the filter mechanism, buffer tank, temporary storage tank and condensing mechanism of the present invention;

FIG. 4 is an enlarged view of the invention in section at A in FIG. 3;

FIG. 5 is an enlarged view of the invention in section at B in FIG. 3;

fig. 6 is an enlarged view of the present invention in section at C in fig. 5.

In the figure: 1. a filtering mechanism; 101. a filter housing; 102. a first mating plate; 103. a second mating plate; 104. a second metal mesh; 105. a filter chamber; 106. a first metal mesh; 107. a solid filter; 108. an activated carbon block; 109. a buffer plate; 2. a buffer tank; 201. a can body housing; 202. a liquid outlet; 203. a liquid inlet; 3. a temporary storage tank; 4. a first connection pipe; 5. a condensing mechanism; 501. an outer can; 502. an inner tank; 503. a condensing ring; 504. a cooling sheet; 6. a second connection pipe; 7. an end plate connecting mechanism; 701. an upper end plate; 702. connecting sleeve columns; 703. an inner cavity; 704. a connecting spring; 705. a clamping block; 8. a third connection pipe; 9. an oil storage tank; 10. a first pressure pump; 11. a second pressure pump; 12. a third pressure pump; 13. a waste liquid storage tank; 14. a metal collar; 15. a clamping groove; 16. and an air valve.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1 to 6, an embodiment of the present invention provides: the production device of the transformer oil comprises a buffer tank 2, wherein the lower end of the buffer tank 2 is connected with a filtering mechanism 1, the lower end of the filtering mechanism 1 is connected with a temporary storage tank 3, the lower end of the temporary storage tank 3 is connected with a first connecting pipe 4, one end of the first connecting pipe 4 is connected with a condensing mechanism 5, one end of the condensing mechanism 5 is connected with a second connecting pipe 6, one end of the second connecting pipe 6 is connected with a waste liquid storage tank 13, the rear side of the upper end of the condensing mechanism 5 is connected with a third connecting pipe 8, the rear end of the third connecting pipe 8 is connected with an oil storage tank 9, and one side of the upper end of the oil storage tank 9 is fixedly provided with an air valve 16;

the filter mechanism 1 comprises a filter shell 101, a first matching plate 102, a second matching plate 103, a second metal net 104, a filter cavity 105, a first metal net 106, a solid filter 107 and an activated carbon block 108, wherein the first matching plate 102 is arranged on one end face of the filter shell 101 in an inclined inserting mode, the second matching plate 103 is arranged on the lower side of the first matching plate 102 in an inclined inserting mode, two first metal nets 106 are welded on the inner side of the first matching plate 102, the solid filter 107 is fixedly arranged between the two first metal nets 106, the filter cavity 105 is fixedly arranged on the solid filter 107, the two second metal nets 104 are welded on the inner side of the second matching plate 103, the activated carbon block 108 is fixedly arranged between the two second metal nets 104, the filter mechanism 1 is connected between the buffer tank 2 and the temporary storage tank 3 in a forty-five-degree angle mode, a supporting plate is arranged on the front side and the rear side of the lower end of one side of the filter mechanism 1 in an inclined mode, and the filter mechanism 1 is connected in a forty-five-degree angle mode, so that transformer oil inside can flow obliquely.

Further, a buffer plate 109 is fixedly arranged between the second metal net 104 and the first metal net 106, the buffer plate 109 is fixedly arranged on one side close to the second metal net 104, side holes are formed in the end corners of the buffer plate 109 in a penetrating mode, and the side holes enable transformer oil in the inclined upper portion of the buffer plate 109 to slowly flow out.

Further, buffer tank 2 includes a tank body shell 201, a liquid outlet 202, a liquid inlet 203, the inside upper end of tank body shell 201 is fixedly provided with liquid inlet 203, the inside lower extreme one side of tank body shell 201 is fixedly provided with liquid outlet 202, the diameter of liquid outlet 202 is less than the diameter of liquid inlet 203, the diameter of liquid outlet 202 is less so that transformer oil can stay in the inside time of tank body shell 201 longer.

Further, the condensing mechanism 5 comprises an outer tank body 501, an inner tank body 502, a condensing ring 503 and refrigerating sheets 504, the inner tank body 502 is supported and arranged in the middle of the inner portion of the outer tank body 501, the condensing ring 503 is fixedly arranged on the surface of the periphery of the inner tank body 502, the plurality of refrigerating sheets 504 are adhered and arranged on the surface of the condensing ring 503, and an end plate connecting mechanism 7 is arranged at the upper end of the outer tank body 501 in a matched mode.

Further, the first connecting pipe 4 and the end plate connecting mechanism 7 are connected in a plug-in fit manner, the third connecting pipe 8 penetrates through the end plate connecting mechanism 7 and extends to the inside of the inner tank 502, and the middle of the bottom end of the inner tank 502 is fixedly connected with the second connecting pipe 6.

Further, the end plate connecting mechanism 7 comprises an upper end plate 701, a connecting sleeve column 702, an inner cavity 703, a connecting spring 704 and a clamping block 705, wherein the connecting sleeve column 702 is fixedly arranged in the middle of the upper end plate 701, two inner cavities 703 are fixedly arranged on two sides of the inner portion of the connecting sleeve column 702, the connecting spring 704 is arranged in the inner portion of the inner cavity 703, and one end of the connecting spring 704 is connected with the clamping block 705.

Further, the metal lantern ring 14 is fixedly arranged around one end of the first connecting pipe 4, two clamping grooves 15 are fixedly arranged on two sides of the surface of the metal lantern ring 14, one end inside the inner cavity 703 is connected with the clamping block 705 through the connecting spring 704, the other end of the clamping block 705 is clamped in the metal lantern ring 14, the middle of the connecting sleeve column 702 is penetrated and provided with a plug-in hole, one section of plug-in mounting of the metal lantern ring 14 and the first connecting pipe 4 is positioned in the plug-in hole on the inner side of the connecting sleeve column 702, and the plug-in hole on the inner side of the connecting sleeve column 702 greatly improves one section of fixity of the whole metal lantern ring 14 and the first connecting pipe 4.

Further, a third pressure pump 12 is connected to the first connecting pipe 4, a second pressure pump 11 is connected to the second connecting pipe 6, and a first pressure pump 10 is connected to the third connecting pipe 8.

Based on the production device of the transformer oil, the invention also provides a production method of the production device of the transformer oil, and the production method comprises the following steps:

(A) Firstly, waste transformer oil flows into a tank shell 201 through a pipeline such as a connecting pipe, flows into the tank shell 201 from a liquid inlet 203 at the upper end of the tank shell 201, flows out from a liquid outlet 202 at the lower end of the tank shell 201 and flows into the upper side of the filter shell 101;

(B) At this time, the transformer oil can flow through the inside of the first matching plate 102 at the upper end of the filter shell 101, and the two first metal nets 106 are connected inside the first matching plate 102, and the solid filters 107 are filled in the two first metal nets 106, so that the solid filters 107 can filter impurities of the whole transformer oil;

(C) Then the transformer flows through the middle part inside the filter shell 101, and the buffer plate 109 is fixedly arranged near the middle part inside the filter shell 101, so that the buffer plate 109 can buffer the flowing transformer oil again, the transformer oil slowly flows into the activated carbon block 108, and the effect of the activated carbon block 108 on the transformer oil is improved;

(D) The activated carbon block 108 can be used for adhering the gas of the transformer oil, so as to filter the gas bubbles of the transformer oil, and then the transformer oil flows out from the lower section of the filter shell 101 and enters the temporary storage tank 3 for storage, and the temporary storage tank 3 can be used for temporarily storing the transformer oil;

(E) The third pressure pump 12 is opened, so that the first connecting pipe 4 drives the transformer oil in the temporary storage tank 3 into the inner tank 502 at the inner side of the outer tank 501, a condensation ring 503 and a refrigerating sheet 504 are fixedly arranged around the outer surface of the inner tank 502, the whole transformer oil is kept stand in the inner tank 502, the condensation ring 503 and the refrigerating sheet 504 can cool the transformer oil in the inner tank 502 to minus five ℃, at this time, mixed water in the transformer oil freezes at the bottom end of the inner tank 502, and the transformer oil is arranged at the upper side of the inner tank 502;

(F) Finally, a first pressure pump 10 on the third connecting pipe 8 is opened, pure transformer oil at the upper side inside the inner tank 502 is pumped into the oil storage tank 9, the whole condensing mechanism 5 is placed for a period of time, solid water at the bottom end of the inner tank 502 is melted along with the temperature rise, a second pressure pump 11 on the second connecting pipe 6 is opened, and redundant mixed liquid is pumped into the waste liquid storage tank 13.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a production device of transformer oil, includes buffer tank (2), its characterized in that: the lower extreme of buffer tank (2) is connected with filtering mechanism (1), the lower extreme of filtering mechanism (1) is connected with temporary storage tank (3), the lower extreme of temporary storage tank (3) is connected with first connecting pipe (4), the one end of first connecting pipe (4) is connected with condensing mechanism (5), the one end of condensing mechanism (5) is connected with second connecting pipe (6), the one end of second connecting pipe (6) is connected with waste liquid holding vessel (13), the rear side of condensing mechanism (5) upper end is connected with third connecting pipe (8), the rear end of third connecting pipe (8) is connected with oil storage tank (9), the upper end one side of oil storage tank (9) is fixed and is provided with pneumatic valve (16);

the filter mechanism (1) comprises a filter shell (101), a first matching plate (102), a second matching plate (103), a second metal net (104), a filter cavity (105), a first metal net (106), a solid filter (107) and an activated carbon block (108), wherein the first matching plate (102) is obliquely inserted into one end face of the filter shell (101), the second matching plate (103) is obliquely inserted into the lower part of the first matching plate (102), two first metal nets (106) are welded on the inner side of the first matching plate (102), the solid filter (107) is fixedly arranged between the two first metal nets (106), the filter cavity (105) is fixedly arranged on the solid filter (107), two second metal nets (104) are welded on the inner side of the second matching plate (103), and the activated carbon block (108) is fixedly arranged between the two second metal nets (104);

the condensing mechanism (5) comprises an outer tank body (501), an inner tank body (502), a condensing ring (503) and refrigerating sheets (504), wherein the inner tank body (502) is supported and arranged in the middle of the inner portion of the outer tank body (501), the condensing ring (503) is fixedly arranged on the periphery of the inner tank body (502), the plurality of refrigerating sheets (504) are adhered to the surface of the condensing ring (503), and an end plate connecting mechanism (7) is arranged at the upper end of the outer tank body (501) in a matched mode.

2. The device for producing transformer oil according to claim 1, wherein: the filter mechanism (1) is connected between the buffer tank (2) and the temporary storage tank (3) in a forty-five-degree angle, and the front side and the rear side of the lower end of one side of the filter mechanism (1) are respectively connected with a support plate.

3. The device for producing transformer oil according to claim 1, wherein: a buffer plate (109) is fixedly arranged between the second metal net (104) and the first metal net (106), the buffer plate (109) is fixedly arranged on one side close to the second metal net (104), and side holes are formed in the end corners of the buffer plate (109) in a penetrating mode.

4. The device for producing transformer oil according to claim 1, wherein: the buffer tank (2) comprises a tank shell (201), a liquid outlet (202) and a liquid inlet (203), wherein the liquid inlet (203) is fixedly arranged at the upper end inside the tank shell (201), the liquid outlet (202) is fixedly arranged at one side of the lower end inside the tank shell (201), and the diameter of the liquid outlet (202) is smaller than that of the liquid inlet (203).

5. The device for producing transformer oil according to claim 1, wherein: the first connecting pipe (4) and the end plate connecting mechanism (7) are connected in an inserting and assembling mode, the third connecting pipe (8) penetrates through the end plate connecting mechanism (7) and extends to the inside of the inner tank body (502), and the middle of the bottom end of the inner tank body (502) is fixedly connected with the second connecting pipe (6).

6. The device for producing transformer oil according to claim 5, wherein: end plate coupling mechanism (7) are including last end plate (701), connection sleeve post (702), inner chamber (703), connection type spring (704), fixture block (705), the fixed connection sleeve post (702) that is provided with in centre department of last end plate (701), the inside both sides of connection sleeve post (702) are all fixed and are provided with two inner chambers (703), inner chamber (703) internal connection is provided with connection type spring (704), the one end of connection type spring (704) is connected with fixture block (705).

7. The device for producing transformer oil according to claim 6, wherein: the utility model discloses a connecting sleeve column, including metal lantern ring (14), clamping block (705), connecting sleeve column (702), metal lantern ring (14), connecting sleeve column (702) and connecting sleeve column, the fixed metal lantern ring (14) that is provided with all around of one end of first connecting tube (4), both sides on metal lantern ring (14) surface are all fixed and are provided with two draw-in grooves (15), connect through connection type spring (704) between the inside one end of inner chamber (703) and clamping block (705), the other end cartridge of clamping block (705) is located metal lantern ring (14), the centre department of connecting sleeve column (702) runs through and is provided with the cartridge hole, one section cartridge of metal lantern ring (14) and first connecting tube (4) is located the inboard cartridge hole of connecting sleeve column (702).

8. The device for producing transformer oil according to claim 1, wherein: the first connecting pipe (4) is connected with a third pressure pump (12), the second connecting pipe (6) is connected with a second pressure pump (11), and the third connecting pipe (8) is connected with a first pressure pump (10).

9. A production method of transformer oil is characterized by comprising the following steps: the method comprises the following steps:

(A) Firstly, waste transformer oil flows into a tank shell (201) through a pipeline such as a connecting pipe, flows into the tank shell (201) from a liquid inlet (203) at the upper end of the tank shell (201), flows out from a liquid outlet (202) at the lower end of the tank shell (201), and flows into the upper side of the interior of a filter shell (101);

(B) At the moment, the transformer oil flows through the inside of a first matching plate (102) at the upper end of a filter shell (101), two first metal nets (106) are connected in the first matching plate (102), and solid filters (107) are filled in the two first metal nets (106), so that the solid filters (107) filter impurities of the whole transformer oil;

(C) Then the transformer is provided with a buffer plate (109) which is fixedly arranged at the middle part inside the filter shell (101) and is close to the middle part inside the filter shell (101), so that the buffer plate (109) has a buffer effect on flowing transformer oil again, the transformer oil slowly flows into the activated carbon block (108), and the effect of the activated carbon block (108) on the transformer oil is improved;

(D) The activated carbon block (108) is used for carrying out gas adhesion on the transformer oil, so as to filter the gas bubbles of the transformer oil, and then the transformer oil flows out from the lower section of the filter shell (101) and enters the temporary storage tank (3) for storage, and the temporary storage tank (3) is used for temporarily storing the transformer oil;

(E) Opening a third pressure pump (12) to enable a first connecting pipe (4) to pump transformer oil in a temporary storage tank (3) into an inner tank body (502) at the inner side of an outer tank body (501), fixedly arranging a condensation ring (503) and a refrigerating sheet (504) around the outer surface of the inner tank body (502), standing the whole transformer oil in the inner tank body (502), enabling the condensation ring (503) and the refrigerating sheet (504) to cool the transformer oil in the inner tank body (502) to minus five ℃, at the moment, freezing mixed water in the transformer oil at the bottom end of the inner tank body (502), and enabling the transformer oil to be on the upper side of the inner tank body (502);

(F) Finally, a first pressure pump (10) on a third connecting pipe (8) is opened, pure transformer oil at the upper side inside the inner tank body (502) is pumped into the oil storage tank (9), and after the integral condensing mechanism (5) is placed for a period of time, solid water at the bottom end of the inner tank body (502) is melted along with the temperature rise, a second pressure pump (11) on a second connecting pipe (6) is opened, and redundant mixed liquid is pumped into the waste liquid storage tank (13).