CN211383865U

CN211383865U - Circulation condensing equipment of vacuum oil purifier

Info

Publication number: CN211383865U
Application number: CN201922255495.3U
Authority: CN
Inventors: 陆凤江; 王长伟
Original assignee: Yangzhou Hualian Electrical Materials Co ltd
Current assignee: Yangzhou Hualian Electrical Materials Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-01
Anticipated expiration: 2029-12-16

Abstract

The utility model provides a circulation condensing equipment of vacuum oil purifier. The circulating condensing device of the vacuum oil purifier comprises a base, the top fixedly connected with condensing box of base, the right side fixedly connected with refrigerator at condensing box top, the bottom intercommunication of refrigerator has the long tube, fixedly connected with baffle between the both sides of condensing box inner wall, the top fixedly connected with fixed block of baffle, the top fixedly connected with condenser pipe of fixed block, the one end of long tube runs through condensing box and condenser pipe in proper order and extends to the inside of condenser pipe, the one end intercommunication that the long tube is located the condenser pipe has the heat exchange tube. The utility model provides a circulation condensing equipment of vacuum oil purifier is provided with the air-cooled barrier pipe that improves the forced air cooling effect, and steam is water at the intraductal condensation of condenser under the cooperation of refrigerator and heat exchange tube, and the pressure that has in the baffle upper part condensation case will accelerate steam condensation simultaneously for this device condensation effect is better.

Description

Circulation condensing equipment of vacuum oil purifier

Technical Field

The utility model relates to a steam condensation field especially relates to a circulation condensing equipment of vacuum oil purifier.

Background

The vacuum oil filter is used in the fields of power plants, power stations, power companies, power transformation industry, railways, petrifaction, metallurgy and the like, and can quickly and efficiently remove harmful substances such as moisture, gas, mechanical impurities and the like in unqualified transformer oil, breaker oil, capacitor oil and the like, so that the flash point and the withstand voltage value are improved.

When the condenser of the existing vacuum oil purifier condenses steam generated by the vacuum oil purifier, the condition of incomplete condensation often occurs, so that gas discharged by the condenser contains a large amount of water vapor, and certain harm is caused to power equipment such as a transformer.

Therefore, it is necessary to provide a circulating condensing device of a vacuum oil purifier to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a circulation condensing equipment of vacuum oil purifier has solved the not thorough problem of condenser steam condensation of current vacuum oil purifier.

In order to solve the technical problem, the utility model provides a circulating condensing device of a vacuum oil purifier, which comprises a base, the top of the base is fixedly connected with a condensing box, the right side of the top of the condensing box is fixedly connected with a refrigerator, the bottom of the refrigerator is communicated with a long pipe, a partition board is fixedly connected between the two sides of the inner wall of the condensing box, the top of the clapboard is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a condenser pipe, one end of the long pipe penetrates through the condensing box and the condensing pipe in sequence and extends to the inside of the condensing pipe, one end of the long pipe, which is positioned in the condensing pipe, is communicated with the heat exchange pipe, fixedly connected with mesh plate between the top of condenser pipe inner wall and the bottom, the one end of heat exchange tube runs through mesh plate and condenser box in proper order and extends to the outside of condenser box, the one end intercommunication that the heat exchange tube is located the condenser pipe outside has the return bend.

Preferably, the inlet intercommunication of refrigerator has the feed liquor pipe, the left side fixedly connected with motor case at base top, the top fixedly connected with condensation box of motor case, the one end of return bend runs through the inside that condensation box just extended to the condensation box, the left side at base top just is located the left side fixedly connected with water storage box of motor case, the top fixedly connected with vacuum steam valve of water storage box, the one end of return bend runs through condensation box and condensation box in proper order and extends to the inside of condensation box, the bottom intercommunication on condenser pipe right side has the intake pipe, the intake pipe bottom runs through the baffle and extends to the outside of baffle.

Preferably, the right side intercommunication of vacuum steam valve has the steam pipe, the right-hand member of steam pipe runs through the condensing box and extends to the inside of condensing box, the bottom fixedly connected with air-cooled fence pipe of condensing box inner wall, the right-hand member of steam pipe and the income gas port intercommunication of air-cooled fence pipe, the gas outlet of air-cooled fence pipe and the bottom intercommunication of intake pipe, the left top intercommunication of condensing box has the blast pipe, the surface of blast pipe is provided with discharge valve.

Preferably, the left side intercommunication of condenser pipe bottom has the outlet pipe, the inside of condensation box is provided with annular fence pipe, the left end of return bend and the income liquid mouth intercommunication of annular fence pipe, the left side fixedly connected with refrigeration pump at condenser box top, the liquid outlet and the feed liquor pipe intercommunication of refrigeration pump.

Preferably, the liquid outlet of the annular barrier pipe is communicated with a liquid return pipe, and the liquid inlet of the refrigeration pump is communicated with the right end of the liquid return pipe.

Preferably, the bottom fixedly connected with air-cooled motor of motor incasement wall, the output shaft fixedly connected with stock of air-cooled motor, the right-hand member of stock runs through motor case and condensing box in proper order and extends to the inside of condensing box, the right-hand member fixedly connected with fan of stock.

Preferably, the left side intercommunication at cistern top has the outlet duct, the left bottom intercommunication of cistern has the drain pipe, the bottom on condenser box right side is provided with the air-out filter screen, the right side fixedly connected with storage water tank at base top, the top intercommunication on condenser box right side has the drain pipe, the right-hand member and the left top intercommunication of storage water tank of drain pipe, the bottom intercommunication on storage water tank right side has the fluid-discharge tube.

Compared with the prior art, the utility model provides a circulation condensing equipment of vacuum oil purifier has following beneficial effect:

the utility model provides a circulation condensing equipment of vacuum oil purifier, this device can get into the steam that vacuum steam valve can release through the steam pipe, steam gets into in the air-cooled fence pipe through the steam pipe that communicates with vacuum steam valve, the output shaft of air-cooled motor drives the fan through the stock and rotates, the fan produces the air current and will flow to the air-cooled fence pipe, steam is dispersed in a plurality of small-size tubules and flow at this moment by the air-cooled fence pipe, the area of contact of steam and fan production air current has been increased, make steam temperature reduction speed faster, the device is provided with refrigerator and refrigeration pump, the refrigeration liquid energy idol inside the refrigerator enters into the heat transfer pipe through the long tube, steam enters into the condenser pipe through the intake pipe at this moment, the refrigerant in the heat transfer pipe will absorb the heat of steam, make steam condense into water rapidly, and be provided with the mesh board in the condenser pipe, the mesh board makes, thereby the steam flow rate is accelerated, the cooling effect is achieved, because the heat exchange tube is of an annular structure, the contact area between the fine steam flow and the heat exchange tube can be increased, the cooling speed is increased, water generated by condensation flows into the condensation box through the water outlet tube, and then flows into the water storage tank, the moisture content in the air in the condensation box is extremely low at the moment, the air flow also flows into the condensation box along with the water outlet tube, so that the air flows into the exhaust tube communicated with the condensation box, the pressure of the exhaust valve arranged in the exhaust tube reaches a certain value in the condensation box to open, the exhaust valve is arranged to ensure that the pressure in the condensation box is certain, the steam is easier to condense, the pressure reaches a certain value, the air flows into the condensation box, at the moment, the refrigerant liquid flows into the annular fence tube in the condensation box through the bent tube, the annular fence tube divides the refrigerant liquid into a plurality of fine flows, and the curved annular, with remaining steam recondensation in the air, the refrigerating fluid will flow into the refrigeration pump through returning the liquid pipe, flow back to in the refrigerator through the feed liquor pipe, closed cycle is accomplished to the refrigerating fluid, can be to steam cycle condensation, moisture and the air that the condensation of ring fence pipe produced will flow into in the water storage box, the comdenstion water is detained in the water storage box, reach a quantitative discharge, the air will be discharged through the outlet duct at water storage box top, accomplish the condensation, this device is provided with can be with steam air-cooled fan and the air-cooled fence pipe that improves the air-cooled effect, the steam of preliminary cooling will be at the intraductal condensation of condenser under the cooperation of refrigerator and heat exchange tube for water, steam condensation will accelerate to the pressure that has in the partial condenser box on the baffle simultaneously, ring fence pipe and condensation box can be with remaining steam recondensation in the air once more, make the extremely low of the air moisture.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a circulating condenser of a vacuum oil purifier according to the present invention;

FIG. 2 is a schematic structural view of the ring fence tube shown in FIG. 1;

FIG. 3 is a schematic structural view of the air-cooled boom pipe shown in FIG. 1;

fig. 4 is a schematic structural view of the mesh plate shown in fig. 1.

Reference numbers in the figures: 1. the base, 2, the condensation box, 3, the refrigerator, 4, the long tube, 5, the baffle, 6, the fixed block, 7, the condenser pipe, 8, the heat exchange tube, 9, the mesh board, 10, the return bend, 11, the motor case, 12, the condensation box, 13, the water storage box, 14, the vacuum steam valve, 15, the intake pipe, 16, the steam pipe, 17, the air-cooled fence pipe, 18, the blast pipe, 19, the outlet pipe, 20, annular fence pipe, 21, the refrigeration pump, 22, the fluid-discharge tube, 23, the liquid return pipe, 24, the feed liquor pipe, 25, discharge valve, 26, air-cooled motor, 27, the stock, 28, the fan, 29, the outlet duct, 30, the drain pipe, 31, the filter screen air-out, 32, storage water tank, 33, the drain pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a circulating condensing device of a vacuum oil purifier according to the present invention; FIG. 2 is a schematic structural view of the ring fence tube shown in FIG. 1; FIG. 3 is a schematic structural view of the air-cooled boom pipe shown in FIG. 1; fig. 4 is a schematic structural view of the mesh plate shown in fig. 1. The circulating condensing device of the vacuum oil purifier comprises a base 1, a condensing box 2 is fixedly connected to the top of the base 1, a refrigerator 3 is fixedly connected to the right side of the top of the condensing box 2, a long pipe 4 is communicated with the bottom of the refrigerator 3, a partition plate 5 is fixedly connected between two sides of the inner wall of the condensing box 2, a fixed block 6 is fixedly connected to the top of the partition plate 5, a condensing pipe 7 is fixedly connected to the top of the fixed block 6, one end of the long pipe 4 sequentially penetrates through the condensing box 2 and the condensing pipe 7 and extends to the inside of the condensing pipe 7, one end of the long pipe 4 located in the condensing pipe 7 is communicated with a heat exchange pipe 8, a mesh plate 9 is fixedly connected between the top and the bottom of the inner wall of the condensing pipe 7, one end of the heat exchange pipe 8 sequentially penetrates through the mesh plate 9 and the condensing box 2 and extends to the outside of the condensing box 2, and one end, the condensation box 2 is divided into two parts by a partition plate 5, the upper part of the whole condensation box 2 is in a closed state, the upper part comprises a pipeline penetrating part and the partition plate 5 which have sealing effects and can generate certain air pressure along with the accumulation of steam to improve the condensation effect, the refrigerator 3 can circulate to reduce the temperature of the refrigerant, the long pipe 4 penetrates through the condensation tube 7 and then is directly communicated with the heat exchange tube 8 instead of the condensation tube 7, the heat tube 8 is in an annular state, the diameter of the pipe body is smaller, meanwhile, multiple layers of surrounding can be arranged to increase the contact area with the steam, the bent pipe 10 is directly communicated with the heat exchange tube 8 instead of the condensation tube 7, during heat exchange, the steam flows in the condensation tube 7, the refrigerant flows in the heat exchange tube 8, the refrigerant and the heat exchange tube transmit heat through the wall of the heat exchange tube 8 with good heat effect to achieve the condensation effect instead of direct contact, water generated by condensation can flow on the partition, the fixed block 6 can not obstruct the condensed water from flowing from left to right, a plurality of small holes are arranged on the mesh plate 9, and the mesh plate 9 can be arranged in a plurality of ways, so that the steam is divided into small steam flows in the condensation pipe 7, the flowing direction of the steam is changed, and the condensation effect is improved.

The inlet of the refrigerator 3 is communicated with a liquid inlet pipe 24, the left side of the top of the base 1 is fixedly connected with a motor box 11, the top of the motor box 11 is fixedly connected with a condensation box 12, one end of an elbow 10 penetrates through the condensation box 12 and extends to the inside of the condensation box 12, the left side of the top of the base 1 is fixedly connected with a water storage box 13 positioned on the left side of the motor box 11, the top of the water storage box 13 is fixedly connected with a vacuum steam valve 14, one end of the elbow 10 sequentially penetrates through the condensation box 2 and the condensation box 12 and extends to the inside of the condensation box 12, the bottom of the right side of the condensation pipe 7 is communicated with an air inlet pipe 15, the bottom end of the air inlet pipe 15 penetrates through a partition plate 5 and extends to the outside of the partition plate 5, the motor box 11 is provided with support legs and is fixedly connected to the top of the base 1, the condensation box 12 is provided, the vacuum steam valve 14 is a component of the vacuum oil purifier and can discharge moisture generated in the working chamber of the vacuum oil purifier.

The right side of the vacuum steam valve 14 is communicated with a steam pipe 16, the right end of the steam pipe 16 penetrates through the condensing box 2 and extends into the condensing box 2, the bottom of the inner wall of the condensing box 2 is fixedly connected with an air-cooling barrier pipe 17, the right end of the steam pipe 16 is communicated with an air inlet of the air-cooling barrier pipe 17, an air outlet of the air-cooling barrier pipe 17 is communicated with the bottom end of an air inlet pipe 15, the top of the left side of the condensing box 2 is communicated with an exhaust pipe 18, an exhaust valve 25 is arranged on the surface of the exhaust pipe 18, a plurality of air-cooling barrier pipes 17 can be arranged, the bottom and the top of the air-cooling barrier pipe 17 are two pipelines, the two pipelines are simultaneously communicated through a plurality of tiny pipelines, the effect of distributing steam for re-integrating steam can be achieved, when the steam is distributed in the tiny pipelines, the contact area between the steam and the air flow is greatly, air-cooled fence pipe 17 goes out the water that the condensation produced and can not accumulate, the outdated moisture of steam flow when the high temperature will be by the evaporation, can not produce the liquid accumulation, air-cooled fence pipe 17 can only play the effect that reduces the steam bulk temperature, do the bedding for follow-up refrigeration liquid heat transfer, share some heats, air-cooled fence pipe 17 is provided with air inlet and gas outlet simultaneously, be used for the intercommunication pipeline, discharge valve 25 is ordinary pressure valve, it is the gas that just can open in the passageway release condensing box 2 a small amount of steam in addition to reach certain pressure value, discharge valve 25 can close to a definite value when condensing box 2 pressure reduction, a pressure in the condensing box 2 is used for maintaining.

A water outlet pipe 19 is communicated with the left side of the bottom of the condensation pipe 7, an annular barrier pipe 20 is arranged inside the condensation box 12, the left end of the elbow pipe 10 is communicated with the liquid inlet of the annular barrier pipe 20, the left side of the top of the condensation box 2 is fixedly connected with a refrigeration pump 21, the liquid outlet and the feed liquor pipe 24 intercommunication of refrigeration pump 21, annular barrier pipe 20 has two pipelines and the tiny pipeline of a plurality of annular to form, two pipelines are through the tiny pipeline intercommunication of a plurality of annular, refrigerant liquid just also gets into in one of them pipeline through the pipe mouth that advances of the tiny pipeline of a plurality of annular, this refrigerant liquid says to shunt again in the tiny pipeline of a plurality of annular, the tiny pipeline of a plurality of annular has good heat conductivity, can be with the steam condensation in condensation box 12, get rid of condensation box 12, annular barrier pipe 20 has the liquid outlet and goes into the liquid mouth, refrigeration pump 21 provides power for the refrigerant liquid flows.

The liquid outlet of the annular barrier pipe 20 is communicated with a liquid return pipe 23, and the liquid inlet of the refrigeration pump 21 is communicated with the right end of the liquid return pipe 23.

Bottom fixedly connected with air-cooled motor 26 of 11 inner walls of motor case, the output shaft fixedly connected with stock 27 of air-cooled motor 26, the right-hand member of stock 27 runs through motor case 11 and condenser box 2 in proper order and extends to the inside of condenser box 2, the right-hand member fixedly connected with fan 28 of stock 27, and the top and the below of stock 27 and the 2 junctions of condenser box all are provided with opening and filter screen for outside air can enter into the latter half of condenser box 2, and the filter screen can be used to filtered air, and stock 27 and the 2 junctions of condenser box are provided with the bearing, makes stock 27 normally rotate and the position can not change.

The left side of the top of the water storage tank 13 is communicated with an air outlet pipe 29, the bottom of the left side of the water storage tank 13 is communicated with a drain pipe 30, the bottom of the right side of the condenser tank 2 is provided with an air outlet filter screen 31, the right side of the top of the base 1 is fixedly connected with a water storage tank 32, the top of the right side of the condenser tank 2 is communicated with a drain pipe 33, the right end of the drain pipe 33 is communicated with the top of the left side of the water storage tank 32, the bottom of the right side of the water storage tank 32 is communicated with a drain pipe 22, the air outlet pipe 29 is arranged at the top to achieve the effect of liquid-gas separation, the air outlet filter screen 31 can prevent impurities in outside air from entering the condenser tank 2, the joint of the water storage tank 32 and the drain pipe 33 is in a sealing state, the water storage tank 32 is, the entire water storage tank 32 is also in a sealed state.

The utility model provides a circulation condensing equipment of vacuum oil purifier's theory of operation as follows:

the vacuum steam valve 14 releases steam generated by the vacuum oil purifier, the steam enters the air-cooled barrier pipe 17 through the steam pipe 16 communicated with the vacuum steam valve 14, the air-cooled motor 26 is started at the moment, the output shaft of the air-cooled motor 26 drives the long rod 27 to rotate, so as to drive the fan 28 to rotate, the fan 28 generates airflow to flow to the air-cooled barrier pipe 17, the air-cooled barrier pipe 17 disperses the steam in a plurality of small thin pipes to flow, the contact area between the steam and the airflow generated by the fan 28 is increased, so that the temperature of the steam is reduced more rapidly, the refrigerating machine 3 and the refrigerating pump 21 are started, refrigerating fluid inside the refrigerating machine 3 enters the heat exchange pipe 8 through the long pipe 4, the steam enters the condensation pipe 7 through the air inlet pipe 15 at the moment, the refrigerant in the heat exchange pipe 8 absorbs heat of the steam, so that the steam is condensed into water rapidly, and the mesh, the mesh plate 9 divides the steam into a plurality of fine steam flows, thereby accelerating the steam flow rate and achieving the cooling effect, the heat exchange tube 8 is of an annular structure, the contact area between the fine steam flows and the heat exchange tube 8 can be increased, the cooling speed is increased, the small holes on the mesh plate 9 can enable the condensed water to pass through the mesh plate 9, when the water in the condensation tube 7 flows to the upper part of the partition plate 5 through the water outlet tube 19 and flows into the water storage tank 32 through the liquid outlet tube 33, the moisture content in the air in the condensation tube 7 is extremely low at the moment, the air flow also flows to the upper part of the partition plate 5 along with the water outlet tube 19, thereby flowing into the exhaust tube 18 communicated with the condensation box 2, the exhaust valve 25 arranged in the exhaust tube 18 reaches a certain value in the condensation box 2 to open, so that the condensation box 2 has a certain pressure, thereby enabling the steam to be more easily condensed and enabling, at this moment, the refrigerant liquid flows into the annular barrier pipe 20 arranged inside the condensation box 12 through the bent pipe 10, the annular barrier pipe 20 divides the refrigerant liquid into a plurality of small flows, meanwhile, the bent annular barrier pipe 20 can increase the contact area between the air and the refrigerant liquid, residual steam in the air is condensed again, the refrigeration pump 21 can provide power for the flowing of the refrigerant liquid, the refrigerant liquid flows into the refrigeration pump 21 through the liquid return pipe 23, so that the refrigerant liquid flows back to the refrigerator 3 through the liquid inlet pipe 24, closed cycle is completed, moisture and air generated by condensation of the annular barrier pipe 20 flow into the water storage box 13, the condensed water is retained in the water storage box 13 and is discharged to a certain amount, and the air is discharged through the air outlet pipe 29 arranged at the top of the water storage box 13 to complete condensation.

the device can lead the steam released by the vacuum steam valve 14 into the air-cooled fence pipe 17 through the steam pipe 16, the fan 28 generates air flow to the air-cooled fence pipe 17, at the moment, the steam is dispersed in a plurality of small thin pipes by the air-cooled fence pipe 17 to flow, the contact area of the steam and the air flow generated by the fan 28 is increased, the temperature reduction speed of the steam is faster, the refrigerating fluid in the refrigerator 3 can enter the heat exchange pipe 8 through the long pipe 4, at the moment, the steam enters the condensing pipe 7, the refrigerant in the heat exchange pipe 8 absorbs the heat of the steam, the steam is rapidly condensed, the mesh plate 9 divides the steam into a plurality of thin steam flows, the steam flow rate is accelerated, the cooling effect is achieved, the heat exchange pipe 8 is of an annular structure, the contact area of the thin steam flows and the heat exchange pipe 8 can be increased, the cooling speed is increased, the water generated by condensation flows into, flows into the water storage tank 32, the exhaust valve 25 arranged in the exhaust pipe 18 enables the pressure in the condensation box 2 to reach a certain value to open, the exhaust valve 25 enables the pressure in the condensation box 2 to have a certain value, steam is enabled to be condensed more easily, the pressure reaches a certain value, air flows into the condensation box 12, the annular barrier pipe 20 divides the refrigerant liquid into a plurality of small flows, meanwhile, the contact area of air and refrigerating fluid can be increased by the curved annular barrier pipe 20, the device is provided with a fan 28 capable of cooling steam by air and an air-cooling barrier pipe 17 for improving the air-cooling effect, the steam subjected to preliminary cooling is condensed into water in the condensation pipe 7 under the cooperation of the refrigerating machine 3 and the heat exchange pipe 8, meanwhile, the steam condensation is accelerated by the pressure in the partial condensation box 2 on the partition plate 5, and the residual steam in the air can be condensed again by the annular barrier pipe 20 and the condensation box 12, so that the moisture content of the air discharged by the device is extremely low.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a circulation condensing equipment of vacuum oil purifier, includes base (1), its characterized in that: the refrigerator comprises a base (1), a condensing box (2) fixedly connected to the top of the base (1), a refrigerator (3) fixedly connected to the right side of the top of the condensing box (2), a long pipe (4) communicated to the bottom of the refrigerator (3), a partition plate (5) fixedly connected to the two sides of the inner wall of the condensing box (2), a fixed block (6) fixedly connected to the top of the partition plate (5), a condensing pipe (7) fixedly connected to the top of the fixed block (6), a mesh plate (9) fixedly connected to the top and the bottom of the inner wall of the condensing pipe (7), a heat exchange pipe (8) communicated to the end of the long pipe (4) located in the condensing pipe (7), and a mesh plate (9) sequentially communicated to the top and the bottom of the inner wall of the condensing pipe (7), wherein one end of the heat exchange pipe (8) sequentially penetrates through the mesh plate (9) and the condensing box (2) and extends to the outside of the condensing box (2), and one end of the heat exchange tube (8) positioned outside the condensation tube (7) is communicated with a bent tube (10).

2. The circulating condensing device of the vacuum oil purifier as defined in claim 1, wherein the liquid inlet of the refrigerator (3) is connected with a liquid inlet pipe (24), the left side of the top of the base (1) is fixedly connected with a motor tank (11), the top of the motor tank (11) is fixedly connected with a condensing box (12), one end of the elbow pipe (10) penetrates through the condensing box (12) and extends to the inside of the condensing box (12), the left side of the top of the base (1) is fixedly connected with a water storage tank (13) and is located at the left side of the motor tank (11), the top of the water storage tank (13) is fixedly connected with a vacuum steam valve (14), one end of the elbow pipe (10) sequentially penetrates through the condensing box (2) and the condensing box (12) and extends to the inside of the condensing box (12), the bottom of the right side of the condensing pipe (7) is connected with an air inlet pipe (15, the bottom end of the air inlet pipe (15) penetrates through the partition plate (5) and extends to the outside of the partition plate (5).

3. The circulating condensing device of the vacuum oil purifier according to claim 2, characterized in that a steam pipe (16) is communicated with the right side of the vacuum steam valve (14), the right end of the steam pipe (16) penetrates through the condenser tank (2) and extends to the inside of the condenser tank (2), an air-cooled fence pipe (17) is fixedly connected to the bottom of the inner wall of the condenser tank (2), the right end of the steam pipe (16) is communicated with an air inlet of the air-cooled fence pipe (17), an air outlet of the air-cooled fence pipe (17) is communicated with the bottom end of an air inlet pipe (15), an exhaust pipe (18) is communicated with the top of the left side of the condenser tank (2), and an exhaust valve (25) is arranged on the surface of the exhaust pipe (18).

4. The circulating condensing device of the vacuum oil purifier as claimed in claim 2, wherein the left side of the bottom of the condensing tube (7) is communicated with a water outlet pipe (19), the inside of the condensing box (12) is provided with an annular fence tube (20), the left end of the elbow (10) is communicated with a liquid inlet of the annular fence tube (20), the left side of the top of the condensing box (2) is fixedly connected with a refrigerating pump (21), and a liquid outlet of the refrigerating pump (21) is communicated with a liquid inlet pipe (24).

5. The circulating condensing device of the vacuum oil purifier as claimed in claim 4, wherein the liquid outlet of the annular fence tube (20) is communicated with a liquid return tube (23), and the liquid inlet of the refrigeration pump (21) is communicated with the right end of the liquid return tube (23).

6. The circulating condensation device of the vacuum oil purifier as claimed in claim 2, wherein the bottom of the inner wall of the motor box (11) is fixedly connected with an air cooling motor (26), the output shaft of the air cooling motor (26) is fixedly connected with a long rod (27), the right end of the long rod (27) penetrates through the motor box (11) and the condensation box (2) in sequence and extends to the inside of the condensation box (2), and the right end of the long rod (27) is fixedly connected with a fan (28).

7. The circulating condensing device of the vacuum oil purifier as claimed in claim 2, wherein the left side of the top of the water storage tank (13) is communicated with an air outlet pipe (29), the bottom of the left side of the water storage tank (13) is communicated with a water outlet pipe (30), the bottom of the right side of the condenser tank (2) is provided with an air outlet filter screen (31), the right side of the top of the base (1) is fixedly connected with a water storage tank (32), the top of the right side of the condenser tank (2) is communicated with a liquid outlet pipe (33), the right end of the liquid outlet pipe (33) is communicated with the top of the left side of the water storage tank (32), and the bottom of the right side of the water.