CN213558031U

CN213558031U - Storage tank for vacuum pressure impregnation

Info

Publication number: CN213558031U
Application number: CN202022447779.5U
Authority: CN
Inventors: 徐凤; 刘春晓; 罗佳强
Original assignee: Shenyang Weike Vacuum Technology Co ltd
Current assignee: Shenyang Weike Vacuum Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-29
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a basin for vacuum pressure impregnation relates to vacuum pressure impregnation equipment technical field, which comprises a tank body, a driving device, agitating unit and heat transfer device, the internal impregnating solution that is used for holding of jar, driving device's output shaft is connected with agitating unit's one end, agitating unit's the other end stretches into to internal portion of jar, and driving device is used for driving agitating unit and stirs the internal impregnating solution of jar, heat transfer device installs on the outer wall of the jar body, and heat transfer device is used for heating or cooling the internal impregnating solution of jar, the internal fin that still is equipped with of jar, fin fixed mounting is at the inside wall of the jar body, the lower part of the jar body still is equipped with the intercommunication mouth, intercommunication mouth department is used for through pipeline and impregnating tank intercommunication, and carry impregnating solution in the impregnating tank, this vacuum pressure impregnation is effectual with the flooding of basin, long service.

Description

Storage tank for vacuum pressure impregnation

Technical Field

The utility model relates to a vacuum pressure impregnation equipment technical field specifically is to relate to a basin for vacuum pressure impregnation.

Background

The vacuum pressure impregnation process (also called VPI process and whole impregnation process) is to pre-dry and remove moisture of workpieces (such as motors, electric appliances, transformer coils, iron cores and the like), cool the workpieces, place the workpieces in a vacuum environment, remove air and volatile matters in the coils, apply certain pressure to impregnation paint liquid after the vacuum is removed by depending on the gravity of the paint liquid in the vacuum environment and the capillary action of the coils and by using dry compressed air or inert gas, so that the paint liquid quickly permeates and fills the interior of an insulating structure. Because the vacuum technology is adopted, the coil can be soaked no matter the size of the coil is dense, and the paint dipping quality is ideal.

In vacuum pressure impregnation, a storage tank is often used to provide the impregnation solution and an impregnation tank is used to provide the impregnation environment. When a work is dipped in a dipping tank, a dipping solution such as an insulating varnish in a storage tank needs to be heated first, and after the dipping is completed, the dipping solution such as the insulating varnish in the storage tank needs to be cooled for storage. And the heat transfer device of current basin is helical coil, at basin internally mounted helical coil, helical coil's body inside lets in circulating water (or other circulation medium), because helical coil soaks in impregnating solution such as insulated paint, in case circulating water or other circulation medium in the helical coil take place to leak, then can pollute the basin content, still can leave the potential safety hazard when influencing the flooding effect, and current helical coil is owing to install inside the basin, when being corroded or rotten because of long-time work by circulation medium, difficult change, not only influence the life of basin, still can lead to whole jar of impregnating solution to scrap entirely, cause serious economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a basin for vacuum pressure flooding to solve the problem that above-mentioned prior art exists, make vacuum pressure flooding effectual, long service life and safe and reliable with the flooding of basin.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a basin for vacuum pressure flooding, including a jar body, drive arrangement, agitating unit and heat transfer device, the internal impregnating solution that is used for holding of jar, drive arrangement's output shaft with agitating unit's one end is connected, agitating unit's the other end stretch into to the internal portion of jar, just drive arrangement is used for the drive agitating unit is right the internal impregnating solution of jar stirs, heat transfer device install in on the outer wall of the jar body, just heat transfer device is used for right the internal impregnating solution of jar heats or cools off, the internal fin that still is equipped with of jar, fin fixed mounting be in the inside wall of the jar body, the lower part of the jar body still is equipped with the intercommunication mouth, intercommunication mouth department is used for through pipeline and impregnating tank intercommunication to carry impregnating solution in to the impregnating tank.

Preferably, the tank body comprises a shell and a top cover, the upper end of the shell is open, the top cover is detachably mounted at the upper end of the shell, a through hole is formed in the top cover, and an output shaft of the driving device penetrates through the through hole and extends into the inner cavity of the shell.

Preferably, be equipped with the inlet on the top cap, the inlet can communicate casing inner chamber and external, just the inlet is used for to the flooding solution lets in the casing, the inlet with department all is equipped with the ooff valve in the intercommunication mouth, the ooff valve is used for controlling respectively the inlet with the switching of intercommunication mouth.

Preferably, the sealing device further comprises a sealing assembly, wherein the sealing assembly is installed between the top cover and the output shaft of the driving device and used for sealing a gap between the inner wall of the through hole and the outer wall of the output shaft of the driving device.

Preferably, the seal assembly comprises a framework oil seal, an oil ring and a stet seal, a mounting box is detachably connected to the through hole, the upper top surface and the lower bottom surface of the mounting box are open, an output shaft of the driving device can penetrate through the mounting box, a bearing is arranged in the mounting box, an output shaft of the driving device is installed in the bearing and penetrates through the bearing to extend into the shell, the framework oil seal, the oil ring and the stet seal are sleeved on the output shaft of the driving device, the inner walls of the framework oil seal, the oil ring and the stet seal are tightly attached to the outer wall of the output shaft of the driving device, and the outer walls of the framework oil seal, the oil ring and the stet seal are tightly attached to the mounting box.

Preferably, the tank body is also internally provided with a temperature sensor and a pressure sensor, the outside of the tank body also comprises a controller, a display screen and an alarm device, the temperature sensor and the pressure sensor are both electrically connected with a controller, the display screen and the alarm device are electrically connected, the temperature sensor and the pressure sensor are respectively used for measuring the temperature and the pressure of the dipping solution in the tank body, respectively transmitting the detected parameters to the controller, displaying the detected temperature value and pressure value on the display screen, pre-storing a temperature range and a pressure range in the controller, and comparing with the actually detected parameters, when the temperature detected by the temperature sensor exceeds the temperature range, or the pressure detected by the pressure sensor exceeds a pressure range, and the controller controls the alarm device to give out alarm sound.

Preferably, the driving device is a motor, and an output shaft of the driving device is connected with the stirring device through a coupling.

Preferably, the heat transfer device is a spiral pipe, the spiral pipe is wound on the outer wall of the tank body in the circumferential direction, the spiral pipe is fixedly connected with the tank body, the upper end of the spiral pipe is close to the upper end of the tank body, the lower end of the spiral pipe is close to the lower end of the tank body, and the heat transfer device is made of carbon steel materials.

Preferably, the lower extreme of jar body still is equipped with a plurality of landing legs, the landing leg is used for supporting the jar body, just the upper end of landing leg with jar body fixed connection, the lower extreme of landing leg is used for contacting ground.

The utility model discloses for prior art gain following technological effect:

the utility model provides a basin for vacuum pressure flooding, the internal flooding solution that is used for holding of jar, heat transfer device installs on the outer wall of the jar body, and heat transfer device is used for heating or cooling to the internal flooding solution of jar, arrange a jar external portion with heat transfer device in, can prevent effectively that heat transfer device internal cooling medium from revealing and polluting the flooding solution, and make things convenient for heat transfer device's maintenance and change, prolong holistic life, the internal fin that still is equipped with of jar, fin fixed mounting is at the inside wall of the jar body, use through fin and heat transfer device cooperation, improve the heat transfer effect, thereby improve the flooding effect of subsequence technology.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a storage tank for vacuum pressure impregnation according to the present invention;

FIG. 2 is a schematic view of the connection between the driving device and the stirring device in the storage tank for vacuum pressure impregnation according to the present invention;

FIG. 3 is an enlarged view of the tank for vacuum pressure impregnation shown in FIG. 1 at A;

in the figure: 1-top cover, 2-shell, 3-heat exchange device, 4-radiating fin, 5-stirring device, 6-driving device, 7-supporting leg, 8-alarming device, 9-display screen, 10-annular mounting pad, 11-bearing box, 12-sealing box, 13-pressing cover, 14-output shaft, 15-second centripetal ball bearing, 16-first centripetal ball bearing, 17-thrust bearing, 18-felt, 19-coupler, 20-framework oil seal, 21-oil ring and 22-steckel seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a basin for vacuum pressure impregnation to the content of solving current basin for vacuum pressure impregnation is easily contaminated, influences the flooding effect, and the short technical problem of life.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the utility model provides a storage tank for vacuum pressure impregnation, which comprises a tank body, a driving device 6, a stirring device 5 and a heat exchange device 3, the lower part of the tank body is further provided with a communication port, the communication port is used for communicating with the impregnation tank through a pipeline, the tank body is used for containing impregnation solution, so that the impregnation tank can impregnate a workpiece, the tank body conveys the impregnation solution into the impregnation tank through a pipeline, an output shaft 14 of the driving device 6 is connected with one end of the stirring device 5, the other end of the stirring device 5 extends into the tank body, preferably, the lower end of the stirring device 5 extends to be close to the inner bottom surface of the tank body, the driving device 6 is used for driving the stirring device 5 to stir the impregnation solution in the tank body, thereby effectively preventing the impregnation solution such as insulating paint from aging and deteriorating, the heat exchange device 3 is installed on the outer wall of the tank body, and the heat exchange device 3, arrange heat transfer device 3 in external portion of jar, can prevent effectively that heat transfer device 3 internal cooling medium from revealing and polluting impregnating solution, and make things convenient for heat transfer device 3's maintenance and change, prolong holistic life, the internal fin 4 that still is equipped with of jar, 4 fixed mounting of fin are at the inside wall of jar body, it is more excellent, fin 4 adopts welded fastening, and spread in jar internal wall fully, fin 4 is preferably aluminum alloy fin, heat radiating area is big, and the thermal efficiency is high, fin 4 can improve the radiating effect of jar side wall, agitating unit 5 can improve the heat transfer effect, guarantee the homogeneity of heat transfer, with fin 4, heat transfer device 3 uses with agitating unit 5 cooperation, the heat transfer effect is improved, and then improve the impregnating effect of back-end process.

Specifically, the jar body includes casing 2 and top cap 1, casing 2's upper end opening, top cap 1 demountable installation is in casing 2's upper end opening part, the convenience is to the internal washing and the maintenance of jar, and through top cap 1 closed casing 2 upper end opening, realize the internal airtight environment of jar, be equipped with the through-hole on top cap 1, drive arrangement 6's output shaft 14 passes the through-hole and stretches into 2 inner chambers of casing, and it is coaxial with casing 2 to guarantee drive arrangement 6's output shaft 14, thereby improve the stirring effect.

Be equipped with the inlet on top cap 1, the inlet can communicate 2 inner chambers of casing and external, and the inlet is used for letting in impregnating solution to casing 2 to realize impregnating solution's replenishment, inlet and intercommunication mouth department all are equipped with the ooff valve, and the ooff valve is used for controlling the switching of inlet and intercommunication mouth respectively, prevents normally open state, leads to impregnating solution to be contaminated.

As shown in fig. 2-3, the utility model provides a basin is used in vacuum pressure flooding still includes seal assembly, seal assembly installs between top cap 1 and drive arrangement 6's output shaft 14 for to the clearance seal between through-hole inner wall and drive arrangement 6's the 14 outer walls of output shaft, prevent to stir the in-process, the impregnating solution overflows through the clearance between through-hole inner wall and drive arrangement 6's the 14 outer walls of output shaft, damage drive arrangement 6, simultaneously, also prevent that the dust in the air from getting into the tank internally, influence the cleanliness factor of impregnating solution.

The sealing assembly comprises a framework oil seal 20, an oil ring 21 and a steckel seal 22, the sealing precision of the shaft is ensured, wherein the steckel seal 22 is generally formed by combining a rubber O-ring and a polytetrafluoroethylene ring, the O-ring is a force application element and provides sufficient sealing force and has a compensation effect on the polytetrafluoroethylene ring, and the steckel seal has the advantages of low friction force, no crawling, small starting force, high pressure resistance, simple groove structure and the like, a mounting box is detachably connected to a through hole, the upper top surface and the lower bottom surface of the mounting box are both open, an output shaft 14 of the driving device 6 can penetrate through the mounting box, a bearing is arranged in the mounting box, the output shaft 14 of the driving device 6 is mounted in the bearing and extends into the shell 2 through the bearing, the rotating stability of the output shaft 14 of the driving device 6 is improved, the framework oil seal 20, the oil ring 21 and the steckel seal 22 are all sleeved on the output shaft, The inner walls of the oil ring 21 and the steckel seal 22 are tightly attached to the outer wall of the output shaft 14 of the driving device 6, and the outer walls of the framework oil seal 20, the oil ring 21 and the steckel seal 22 are tightly attached to the mounting box, so that the sealing between the mounting box and the output shaft 14 of the driving device 6 is realized, the flooding of the dipping solution in the tank body is prevented, the driving device 6 is damaged, and meanwhile, the pollution to the dipping solution caused by the external pollutants entering the tank body is also prevented; as a specific option, the mounting box comprises a sealing box 12 and a bearing box 11, an annular mounting pad 10 is mounted at the through hole, the annular mounting pad 10 is fixed on the top cover 1 through a bolt, the annular mounting pad 10 is coaxial with the through hole, the outer diameter of the annular mounting pad 10 is not less than the inner diameter of the through hole, the bearing box 11 is mounted in the annular mounting pad 10, the upper end of the bearing box 11 is provided with a first annular bulge, the inner wall of the first annular bulge is fixed on the outer wall of the bearing box 11, the lower end face of the first annular bulge is in contact with the upper end face of the annular mounting pad 10, the first annular bulge is fixed with the annular mounting pad 10 through a bolt, the lower end of the bearing box 11 is open, a thrust bearing 17 is mounted at the lower end opening, a ring of felt 18 is further arranged between the output shaft 14 of the driving device 6 and the lower end opening of, a second annular bulge is arranged at the upper end opening of the sealing box 12, the inner wall of the second annular bulge is fixed on the outer wall of the sealing box 12, the lower end face of the second annular bulge is contacted with the upper end face of the first annular bulge, the second annular bulge is fixed with the first annular bulge through a bolt, a first centripetal ball bearing 16 is arranged at the lower end opening of the sealing box 12, a sufficient gap is reserved between the lower end of the sealing box 12 and the bearing box 11 to accommodate a thrust bearing 17 and a bearing cover at the upper end of the thrust bearing 17, a sealing assembly is arranged between the sealing box 12 and an output shaft 14 of the driving device 6, a gland 13 is also arranged at the upper end opening of the bearing cover, the gland 13 is fixed on the second annular bulge through a bolt, a second centripetal ball bearing 15 is arranged between the upper end of the sealing assembly and the lower end of the gland 13, and a gasket is arranged between the, the sealing effect is improved, meanwhile, the output shaft 14 of the driving device 6 is connected with the top cover 1 through the sealing box 12, the bearing box 11, the bearing, the annular mounting pad 10 and the like, the restraint is less, the stress is small, the stability of connection is improved, meanwhile, the rotation of the output shaft 14 of the driving device 6 cannot be influenced, and the service life of the driving device is prolonged.

More excellent, when using, to the utility model provides a vacuum pressure soaks with each parts in the basin lubricated adopting dry-type vacuum grease lubrication, avoided ordinary lubricant oil to drop to lead to in the jar storing the impregnating solution in the jar to be contaminated.

The tank body is also internally provided with a temperature sensor and a pressure sensor, the outside of the tank body also comprises a controller, a display screen 9 and an alarm device 8, the temperature sensor and the pressure sensor are electrically connected with the controller, the display screen 9 and the alarm device 8 are electrically connected, the temperature sensor and the pressure sensor are respectively used for measuring the temperature and the pressure of the dipping solution in the tank body and respectively transmitting the detected parameters to the controller, the display screen 9 displays the detected temperature value and the detected pressure value, the temperature range and the pressure range are prestored in the controller and are compared with the actually detected parameters, when the temperature detected by the temperature sensor exceeds the temperature range or the pressure detected by the pressure sensor exceeds the pressure range, the controller controls the alarm device 8 to send out alarm sound, when the inside of the storage tank is over-temperature and over-pressure, the alarm device 8 can immediately alarm, and simultaneously can also connect the controller with a mobile phone signal of an operator, the error information is sent to the user in a short message mode, so that the user is ensured to rush to the site or inform the site at the first time, faults are handled, and equipment damage or safety accidents are prevented.

Drive arrangement 6 is the motor, is connected through shaft coupling 19 between drive arrangement 6's output shaft 14 and the agitating unit 5, improves to be connected with pivoted stability, nevertheless the utility model provides a drive arrangement 6 of basin is used in vacuum pressure flooding is not limited to the motor, as long as can provide stable drive power for agitating unit 5, make agitating unit 5 rotate can.

The heat exchange device 3 is a spiral pipe, the spiral pipe is wound on the outer wall of the tank body in the circumferential direction and is fixedly connected with the tank body, preferably welded and fixed, the upper end of the spiral pipe is close to the upper end of the tank body, the lower end of the spiral pipe is close to the lower end of the tank body, the outer wall of the tank body can be covered by the spiral pipe, the heat exchange effect is improved, the heat exchange device 3 is made of carbon steel material, carbon steel with good heat conductivity is selected, however, the heat exchange device 3 provided by the utility model is not limited to carbon steel, but can also be made of stainless steel material with good heat conductivity, the heat exchange device 3 is tightly attached to the tank wall, the conductivity coefficient is high, the heat exchange effect is good, when a certain section of spiral pipe is damaged, can directly repair or change it, more excellent, the cross section of spiral pipe is the rectangle, and the spiral pipe is gone up one side that is close to jar external wall and can be the curved surface to with the laminating of jar external wall, improve heat exchange efficiency.

The lower extreme of the jar body still is equipped with a plurality of landing legs 7, and landing leg 7 is used for supporting the jar body, and the upper end and jar body fixed connection of landing leg 7, and the lower extreme of landing leg 7 is used for contacting ground, improves the stability of the jar body.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A storage tank for vacuum pressure impregnation, characterized in that: including a jar body, drive arrangement, agitating unit and heat transfer device, the internal impregnating solution that is used for holding of jar, drive arrangement's output shaft with agitating unit's one end is connected, agitating unit's the other end stretches into extremely the internal portion of jar, just drive arrangement is used for the drive agitating unit is right the internal impregnating solution of jar stirs, heat transfer device install in on the outer wall of the jar body, just heat transfer device is used for right the heating of the internal impregnating solution of jar or cooling, the internal fin that still is equipped with of jar, fin fixed mounting is in the inside wall of the jar body, the lower part of the jar body still is equipped with the intercommunication mouth, intercommunication mouth department is used for through pipeline and impregnating vessel intercommunication to carry impregnating solution in to the impregnating vessel.

2. The tank for vacuum pressure impregnation as set forth in claim 1, wherein: the tank body comprises a shell and a top cover, the upper end of the shell is open, the top cover is detachably mounted at the upper end of the shell, a through hole is formed in the top cover, and an output shaft of the driving device penetrates through the through hole and stretches into the inner cavity of the shell.

3. The tank for vacuum pressure impregnation as set forth in claim 2, wherein: the top cover is provided with a liquid inlet, the liquid inlet can be communicated with the inner cavity of the shell and the outside, the liquid inlet is used for leading in impregnating solution into the shell, the liquid inlet and the communication port are respectively provided with a switch valve, and the switch valves are used for respectively controlling the liquid inlet and the communication port to be opened and closed.

4. The tank for vacuum pressure impregnation as set forth in claim 2, wherein: the sealing assembly is arranged between the top cover and the output shaft of the driving device and used for sealing a gap between the inner wall of the through hole and the outer wall of the output shaft of the driving device.

5. The tank for vacuum pressure impregnation as set forth in claim 4, wherein: the sealing assembly comprises a framework oil seal, an oil ring and a Stent seal, a mounting box is detachably connected to the through hole, the upper top surface and the lower bottom surface of the mounting box are open, an output shaft of the driving device can penetrate through the mounting box, a bearing is arranged in the mounting box, the output shaft of the driving device is installed in the bearing and penetrates through the bearing to stretch into the shell, the framework oil seal, the oil ring and the Stent seal are sleeved on the output shaft of the driving device, the inner walls of the framework oil seal, the oil ring and the Stent seal are tightly attached to the outer wall of the output shaft of the driving device, and the framework oil seal, the oil ring and the outer wall of the Stent seal are tightly attached to the mounting box.

6. The tank for vacuum pressure impregnation as set forth in claim 1, wherein: the tank body is also internally provided with a temperature sensor and a pressure sensor, the outside of the tank body also comprises a controller, a display screen and an alarm device, the temperature sensor and the pressure sensor are both electrically connected with a controller, the display screen and the alarm device are electrically connected, the temperature sensor and the pressure sensor are respectively used for measuring the temperature and the pressure of the dipping solution in the tank body, respectively transmitting the detected parameters to the controller, displaying the detected temperature value and pressure value on the display screen, pre-storing a temperature range and a pressure range in the controller, and comparing with the actually detected parameters, when the temperature detected by the temperature sensor exceeds the temperature range, or the pressure detected by the pressure sensor exceeds a pressure range, and the controller controls the alarm device to give out alarm sound.

7. The tank for vacuum pressure impregnation as set forth in claim 1, wherein: the driving device is a motor, and an output shaft of the driving device is connected with the stirring device through a coupler.

8. The tank for vacuum pressure impregnation as set forth in claim 1, wherein: heat transfer device is the spiral pipe, spiral pipe circumference winding is in on the outer wall of the jar body, just the spiral pipe with jar body fixed connection, the upper end of spiral pipe is close to the upper end of the jar body, the lower extreme of spiral pipe is close to the lower extreme of the jar body, heat transfer device makes for carbon steel material.

9. The tank for vacuum pressure impregnation as set forth in claim 1, wherein: the lower extreme of the jar body still is equipped with a plurality of landing legs, the landing leg is used for supporting the jar body, just the upper end of landing leg with jar body fixed connection, the lower extreme of landing leg is used for contacting ground.