CN210875137U

CN210875137U - Heat radiation structure of inner magnetic cavity of magnetic continuous homogenizer

Info

Publication number: CN210875137U
Application number: CN201921159540.9U
Authority: CN
Inventors: 张志华
Original assignee: Tbg Marintec Co ltd
Current assignee: Tbg Marintec Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-30
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a heat dissipation structure of a magnetic cavity in a magnetic connection homogenizer, which comprises a fluid homogenizing cavity, a homogenizing transmission mechanism and a fluid heat exchange cavity; the fluid heat exchange cavity is communicated with the fluid homogenizing cavity and forms a heat exchange fluid inlet channel and a heat exchange fluid outlet channel; the homogenizing transmission mechanism comprises a main shaft and a homogenizer impeller, and the homogenizer impeller is arranged on the main shaft; the end of the main shaft extends into the fluid homogenizing cavity and causes the homogenizer impeller to be limited in the fluid homogenizing cavity; the starting end of the main shaft is limited in the fluid heat exchange cavity; the spindle is hollow and provided with a feed hole and a discharge hole, the feed hole is communicated with the heat exchange fluid inlet channel, and the discharge hole is communicated with the heat exchange fluid outlet channel. The fluid heat exchange cavity is communicated with the fluid homogenizing cavity, cold fluid in the fluid homogenizing cavity can enter the fluid heat exchange cavity by the transmission force of the homogenizing transmission mechanism, hot fluid in the fluid heat exchange cavity can return to the fluid homogenizing cavity, and the heat dissipation purpose is achieved through the forced convection circulation.

Description

Heat radiation structure of inner magnetic cavity of magnetic continuous homogenizer

Technical Field

The utility model relates to a magnetism is isotropic symmetry technical field even, more specifically relates to a magnetism is heat radiation structure in isotropic symmetry inner magnetic cavity even.

Background

At present, a large number of homogenizers are used in petrochemical and marine industries, and the homogenizers have a function of improving the performance of fuel oil, so that the homogenizers have higher use value in the field of heavy oil, particularly in the aspect of heavy fuel oil subjected to secondary cracking. The existing homogenizer has different structural principles, but the existing homogenizer is usually in a working mode that a motor drives a shaft to rotate; because the requirement of users on leakage is improved, and the cost control of periodically replacing the mechanical seal is realized, and the transmission mode of magnetic connection is more and more widely applied, technicians structure the transmission mode of magnetic connection driving between the motor and the homogenizer. The motor and the homogenizer adopt a magnetic connection transmission mode, and no mechanical seal is used, so that the interior of the homogenizer is completely sealed, no leakage is generated, and the trouble of replacing the mechanical seal periodically is avoided.

Chinese patent CN204247140U discloses a magnetic force transmission type homogenizer, which comprises a refining barrel body, wherein the refining barrel body is arranged on a mounting seat, a liquid inlet and a liquid outlet are arranged on the refining barrel body, one end of the refining barrel body is provided with a motor, the motor is connected with the refining barrel body through a bell-shaped cover, an external magnetic rotor is arranged in the bell-shaped cover, one end of the external magnetic rotor is connected with an output shaft of the motor, the other end of the external magnetic rotor is connected with an internal magnetic rotor, one end of the internal magnetic rotor is provided with an isolation sleeve, the other end of the internal magnetic rotor is connected with a main shaft, a large turbine disc and a small turbine disc are. The mechanical direct-connection transmission type homogenizer solves the problem of liquid leakage in the working and operating process of the mechanical direct-connection transmission type homogenizer, has the characteristics of simple structure, no leakage, safety and reliability, and can be used for homogenizing, refining and emulsifying treatment of fuel oil and other liquids. However, in use, it is found that because the pressure difference inside the homogenizer is small, the oil in the inner magnetic cavity is difficult to convect with the oil inside the homogenizer, meanwhile, because the inner magnetic rotor rotates at high speed, the oil in the inner magnetic cavity generates heat by friction, the temperature is continuously raised, if the heat cannot be effectively dissipated, the service life of a common ball bearing close to the inner magnetic cavity is greatly shortened, because the temperature is too high, the lubricating property of the oil is reduced, the bearing is seriously worn, the shaft can eccentrically run to cause strong vibration after long-term operation, and even the shaft fracture failure is seriously caused; secondly, the internal magnetic rotor is in a high-temperature environment for a long time, so that the demagnetization phenomenon can occur, the rotating speed of the homogenizer is reduced, and the working effect of the equipment is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the high-speed rotatory friction heating of the interior magnetic rotor of present magnetism link isotropic symmetry, the oil temperature in the interior magnetic cavity constantly rises to the inside pressure differential of isotropic symmetry is less, can't make the hot oil and the outside cold oil convection heat dissipation of interior magnetic cavity, consequently can harm the bearing, and the life of bearing shortens greatly, produces the cracked accident of axle even, also can make interior magnetic rotor take place the demagnetization phenomenon.

In order to solve the technical problem, the utility model provides a following technical scheme:

a heat radiation structure of a magnetic cavity in a magnetic continuous homogenizer comprises a fluid homogenizing cavity, a homogenizing transmission mechanism and a fluid heat exchange cavity; the fluid heat exchange cavity is communicated with the fluid homogenizing cavity and forms a heat exchange fluid inlet channel and a heat exchange fluid outlet channel;

the homogenizing transmission mechanism comprises a main shaft and a homogenizer impeller, and the homogenizer impeller is arranged on the main shaft;

the terminal end of the main shaft extends into the fluid homogenizing cavity and causes the homogenizer impeller to be limited in the fluid homogenizing cavity; the starting end of the main shaft is limited in the fluid heat exchange cavity; the spindle is hollow and provided with a feed hole and a discharge hole, the feed hole is communicated with the heat exchange fluid inlet channel, and the discharge hole is communicated with the heat exchange fluid outlet channel; through the arrangement of the fluid heat exchange cavity, the fluid heat exchange cavity is communicated with the fluid homogenizing cavity, so that when the homogenizer works, the transmission force of the homogenizing transmission mechanism can drive cold fluid in the fluid homogenizing cavity to enter the fluid heat exchange cavity and drive hot fluid in the fluid heat exchange cavity to enter the fluid homogenizing cavity, and the fluid heat exchange cavity can be cooled through the forced convection circulation, so that the temperature of the fluid heat exchange cavity is kept in a normal range.

Preferably, the homogeneous transmission mechanism further comprises an outer magnetic rotor and an inner magnetic rotor; the inner magnetic rotor is sleeved at the starting end of the main shaft and fixed through a bolt; the outer magnetic rotor termination end is provided with a blind hole, and is sleeved on the outer side of the inner magnetic rotor and is in clearance fit with the inner magnetic rotor; the gap is communicated with the heat exchange fluid inlet channel; the linkage is generated through the non-contact magnetic coupling effect between the outer magnetic rotor and the inner magnetic rotor, so that the main shaft is driven to rotate, the main shaft generates centrifugal force due to rotation, the outer magnetic rotor and the inner magnetic rotor are not in direct contact, and the abrasion degree is reduced.

Preferably, an isolation sleeve is arranged between the outer magnetic rotor and the inner magnetic rotor, and the isolation sleeve divides a gap between the outer magnetic rotor and the inner magnetic rotor into a first gap and a second gap;

the isolating sleeve is of a cavity structure with an opening at one end, and the opening end of the isolating sleeve is connected with the side wall of the fluid heat exchange cavity to form a sealed heat exchange channel; the heat exchange channel, the second gap and the fluid homogenizing cavity are communicated; by arranging the isolation sleeve, the leakage of the fluid can be avoided when the fluid flows in the fluid heat exchange cavity.

Preferably, the head of the bolt is fixed with the starting end of the inner magnetic rotor, and the rod part of the bolt is sleeved in the feed hole and is in interference fit with the wall of the feed hole; inner holes are formed in the head part and the rod part of the bolt, and the inner holes are communicated with the feeding hole; through set up the bolt hole in the bolt, can fix internal magnetism rotor and main shaft on the one hand, on the other hand can guarantee again that the cold fluid in the fluid heat exchange chamber can be at bolt and main shaft internal flow, and cold fluid and main shaft, internal magnetism rotor and bolt take place heat exchange, play from inside to main shaft, internal magnetism rotor and bolt effect of cooling down.

Preferably, the fluid heat exchange cavity comprises an internal magnetic heat exchange cavity and a main shaft heat exchange cavity, and the main shaft heat exchange cavity is limited in the fluid homogenizing cavity; a first connecting flange disc is fixedly arranged on the terminating end wall of the inner magnetic heat exchange cavity; a second connecting flange is fixedly arranged on the initial end wall of the main shaft heat exchange cavity; the first connecting flange plate, the second connecting flange plate and the outer side wall of the fluid homogenizing cavity are fastened in a spiral manner, so that the inner magnetic heat exchange cavity, the main shaft heat exchange cavity and the fluid homogenizing cavity are detachably connected;

the starting end of the main shaft is limited in the inner magnetic heat exchange cavity, and the terminating end of the main shaft sequentially penetrates through the first connecting flange plate hole, the second connecting flange plate hole and the main shaft heat exchange cavity and is rotationally connected with the fluid homogenizing cavity; through the arrangement of the first connecting flange plate and the second connecting flange plate, the inner magnetic heat exchange cavity and the main shaft heat exchange cavity are convenient to connect and detach, cold fluid flows in the fluid heat exchange cavity and exchanges heat with the main shaft, and the effect of radiating the outside of the main shaft is achieved.

Preferably, the end face of one end of the first connecting flange plate, which is in contact with the second connecting flange plate, is a first end face, the first end face further comprises a first area far away from the center of the first connecting flange plate and a second area close to the center of the first connecting flange plate, the joint of the first area and the second area is formed into a step-shaped structure, and the distance from the second area to the other end of the first connecting flange plate is ensured to be smaller than the distance from the first area to the other end of the first connecting flange plate;

the end face of one end, which is in contact with the first connecting flange plate, of the second connecting flange plate is a second end face, the second end face further comprises a third area far away from the center of the second connecting flange plate and a fourth area close to the center of the second connecting flange plate, the distance from the fourth area to the other end of the second connecting flange plate is larger than the distance from the third area to the other end of the second connecting flange plate, and a first through hole is formed in the fourth area of the second connecting flange plate;

the first area of the first connecting flange plate is in sealing contact with the third area of the second connecting flange plate, a material passing gap is formed between the second area of the first connecting flange plate and the fourth area of the second connecting flange plate, and the material passing gap, the sealing channel, the first through hole and the fluid homogenizing cavity are communicated to form the heat exchange fluid inlet channel; the joint of the first area and the second area of the first connecting flange plate is formed into a step-shaped structure, so that the connecting end face between the first connecting flange plate and the second connecting flange plate is always kept, the first area and the third area can be in sealing fit, and a material passing gap is formed between the second area and the fourth area, so that fluid leakage can be prevented, and fluid circulation can be guaranteed.

Preferably, an annular first bearing installation position is arranged at the starting end of the main shaft heat exchange cavity, a first bearing is fixedly arranged on the first bearing installation position, and the first bearing is used for fixing the middle part of the main shaft; the end of the main shaft heat exchange cavity is provided with an annular second bearing mounting position, a second bearing is fixedly arranged on the second bearing mounting position, and the second bearing is used for fixing the end of the main shaft; through the setting of first bearing and second bearing for the middle part and the termination of main shaft can be spacing in main shaft heat transfer chamber all the time, can guarantee when cold fluid flows through main shaft heat transfer chamber, can carry out the heat transfer with the middle part of main shaft, the termination of main shaft, first bearing and second bearing, reach the purpose of cooling.

Preferably, a second through hole is formed in a side wall of the main shaft heat exchange cavity, and the main shaft heat exchange cavity is communicated with the fluid homogenizing cavity through the second through hole to form the heat exchange outflow fluid channel; through the arrangement of the second through hole, hot fluid after heat exchange of the inner diameter of the main shaft heat exchange cavity can flow back to the fluid homogenizing cavity, and further homogenization and emulsification treatment of the fluid can be realized.

A magnetic continuous homogenizer with a heat dissipation structure of a magnetic cavity in the magnetic continuous homogenizer.

Preferably, comprises a homogenizer body and a motor; the heat dissipation structure is integrated in the homogenizer body; the homogenizer body is provided with a liquid inlet and a liquid outlet; and an output shaft of the motor is fixed with the initial end of the outer magnetic rotor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the fluid heat exchange cavity, the fluid heat exchange cavity is communicated with the fluid homogenizing cavity, so that when the homogenizer works, the transmission force of the homogenizing transmission mechanism can drive cold fluid in the fluid homogenizing cavity to enter the fluid heat exchange cavity and drive hot fluid in the fluid heat exchange cavity to enter the fluid homogenizing cavity, and the fluid heat exchange cavity can be cooled through the forced convection circulation, so that the temperature of the fluid heat exchange cavity is kept in a normal range.

2. Through set up the bolt hole in the bolt, can fix internal magnetism rotor and main shaft on the one hand, on the other hand can guarantee again that the cold fluid in the fluid heat exchange chamber can be at bolt and main shaft internal flow, and cold fluid and main shaft, internal magnetism rotor and bolt take place heat exchange, play from inside to main shaft, internal magnetism rotor and bolt effect of cooling down.

3. The joint of the first area and the second area of the first connecting flange plate is formed into a step-shaped structure, so that the connecting end face between the first connecting flange plate and the second connecting flange plate is always kept, the first area and the third area can be in sealing fit, and a material passing gap is formed between the second area and the fourth area, so that fluid leakage can be prevented, and fluid circulation can be guaranteed.

4. Through the setting of first bearing and second bearing for the middle part and the termination of main shaft can be spacing in main shaft heat transfer chamber all the time, can guarantee when cold fluid flows through main shaft heat transfer chamber, can carry out the heat transfer with the middle part of main shaft, the termination of main shaft, first bearing and second bearing, reach the purpose to the main shaft outside and bearing cooling, the life of extension main shaft and bearing.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation structure of a magnetic cavity in a magnetic homogenizer according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a spindle according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a transmission mechanism of a homogenizer according to a first embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a bolt according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fluid heat exchange chamber according to a first embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram of embodiment B of the present invention;

fig. 8 is a schematic structural view of a magnetic continuous homogenizer according to a first embodiment of the present invention;

fig. 9 is a schematic structural view of a bolt according to a second embodiment of the present invention;

fig. 10 is a schematic structural view of a magnetic continuous homogenizer according to a third embodiment of the present invention.

The reference numbers illustrate:

1. a fluid homogenizing chamber; 11. a liquid inlet; 12. a liquid outlet; 2. a homogenizing transmission mechanism; 21. a main shaft; 211. a feed port; 212. a discharge hole; 22. a homogenizer impeller; 23. an outer magnetic rotor; 24. an internal magnetic rotor; 25. a bolt; 26. an isolation sleeve; 3. a fluid heat exchange chamber; 31. an internal magnetic heat exchange cavity; 32. A main shaft heat exchange cavity; 321. a first bearing; 322. a second bearing; 323. a second through hole; 33. a first connecting flange; 34. a second connecting flange; 341. a first through hole; 4. a homogenizer body; 5. an electric motor.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1 and fig. 2, the present embodiment discloses a heat dissipation structure for a magnetic cavity in a magnetic homogenizer, which includes a fluid homogenizing cavity 1, a homogenizing transmission mechanism 2, and a fluid heat exchange cavity 3; the fluid heat exchange cavity 3 is communicated with the fluid homogenizing cavity 1 and forms a heat exchange fluid inlet channel and a heat exchange fluid outlet channel;

the homogenizing transmission mechanism 2 comprises a main shaft 21 and a homogenizer impeller 22, and the homogenizer impeller 22 is arranged on the main shaft 21;

the terminal end of the main shaft 21 extends into the fluid homogenizing chamber 1 and causes the homogenizer impeller 22 to be limited in the fluid homogenizing chamber 1; the starting end of the main shaft 21 is limited in the fluid heat exchange cavity 3; the main shaft 21 is hollow and provided with a feed hole 211 and a discharge hole 212, the feed hole 211 is communicated with the heat exchange fluid inlet channel, and the discharge hole 212 is communicated with the heat exchange fluid outlet channel; the direction of the fluid heat exchanging flow is the direction of the arrows in fig. 1, 3, 4, 6 and 7;

in the embodiment, the fluid heat exchange cavity 3 is arranged, and the fluid heat exchange cavity 3 is communicated with the fluid homogenizing cavity 1, so that when the homogenizer works, the transmission force of the homogenizing transmission mechanism 2 can drive the cold fluid in the fluid homogenizing cavity 1 to enter the fluid heat exchange cavity 3, and can drive the hot fluid in the fluid heat exchange cavity 3 to enter the fluid homogenizing cavity 1, and the fluid heat exchange cavity 3 can be cooled through the forced convection circulation, so that the temperature of the fluid heat exchange cavity 3 is kept in a normal range.

As shown in fig. 3, the homogeneous drive mechanism 2 further includes an outer magnetic rotor 23 and an inner magnetic rotor 24; the inner magnetic rotor 24 is sleeved at the starting end of the main shaft 21 and fixed through a bolt 25; the terminating end of the external magnetic rotor 23 is provided with a blind hole, and the terminating end of the external magnetic rotor 23 is sleeved on the outer side of the internal magnetic rotor 24 and is in clearance fit with the internal magnetic rotor 24; the non-contact magnetic coupling between the outer magnetic rotor 23 and the inner magnetic rotor 24 is used for generating linkage, so that the main shaft 21 is driven to rotate, the main shaft 21 generates centrifugal force due to rotation, the outer magnetic rotor 23 is not in direct contact with the inner magnetic rotor 24, and the abrasion degree is reduced.

As shown in fig. 6 and 7, the fluid heat exchange cavity 3 includes an internal magnetic heat exchange cavity 31 and a main shaft heat exchange cavity 32, and the main shaft heat exchange cavity 32 is limited in the fluid homogenizing cavity 1; a first connecting flange plate 33 is fixedly arranged on the terminating end wall of the inner magnetic heat exchange cavity 31; a second connecting flange 34 is fixedly arranged on the initial end wall of the main shaft heat exchange cavity 32; the first connecting flange plate 33, the second connecting flange plate 34 and the outer side wall of the fluid homogenizing cavity 1 are fastened by screws, so that the inner magnetic heat exchange cavity 31, the main shaft heat exchange cavity 32 and the fluid homogenizing cavity 1 are detachably connected;

the starting end of the main shaft 21 is limited in the inner magnetic heat exchange cavity 31, and the terminating end of the main shaft 21 sequentially penetrates through a flange plate hole of a first connecting flange plate 33, a flange plate hole of a second connecting flange plate 34 and the main shaft heat exchange cavity 32 and is rotatably connected with the fluid homogenizing cavity 1;

in this embodiment, the first connecting flange plate 33 and the second connecting flange plate 34 are arranged, so that the inner magnetic heat exchange cavity 31 and the main shaft heat exchange cavity 32 are convenient to connect and detach, and cold fluid flows in the fluid heat exchange cavity 3 to exchange heat with the main shaft 21, thereby achieving the effect of dissipating heat outside the main shaft 21.

The end face of one end, which is in contact with the second connecting flange plate 34, of the first connecting flange plate 33 is a first end face, the first end face further comprises a first area far away from the center of the first connecting flange plate 33 and a second area close to the center of the first connecting flange plate 33, the joint of the first area and the second area is formed into a step-shaped structure, and the distance from the second area to the other end of the first connecting flange plate 33 is ensured to be smaller than the distance from the first area to the other end of the first connecting flange plate 33;

the end face of one end of the second connecting flange 34, which is in contact with the first connecting flange 33, is a second end face, the second end face further comprises a third area far away from the center of the second connecting flange 34 and a fourth area close to the center of the second connecting flange 34, the distance from the fourth area to the other end of the second connecting flange 34 is greater than the distance from the third area to the other end of the second connecting flange 34, and the fourth area of the second connecting flange 34 is provided with a first through hole 341;

the first region of the first connecting flange plate 33 is in sealing contact with the third region of the second connecting flange plate 34 and a material passing gap is ensured to exist between the second region of the first connecting flange plate 33 and the fourth region of the second connecting flange plate 34, and the material passing gap, the sealing channel, the first through hole 341 and the fluid homogenizing chamber 1 are communicated to form the heat exchange fluid inlet channel; the joint of the first area and the second area of the first connecting flange 33 is formed into a step-shaped structure, so that the connecting end surface between the first connecting flange 33 and the second connecting flange 34 is always kept, the first area and the third area can be in sealing fit, and a communicating gap is formed between the second area and the fourth area, so that fluid leakage can be prevented, and fluid circulation can be ensured.

The starting end of the main shaft heat exchange cavity 32 is provided with an annular first bearing mounting position, a first bearing 321 is fixedly arranged on the first bearing mounting position, and the first bearing 321 is used for fixing the middle part of the main shaft 21; an annular second bearing installation position is arranged at the termination end of the main shaft heat exchange cavity 32, a second bearing 322 is fixedly arranged on the second bearing installation position, and the second bearing 322 is used for fixing the termination end of the main shaft 21; through the setting of first bearing 321 and second bearing 322 for the middle part and the termination end of main shaft 21 can be spacing in main shaft heat transfer chamber 32 all the time, can guarantee when cold fluid flows through main shaft heat transfer chamber 32, can carry out the heat transfer with the middle part of main shaft 21, the termination end of main shaft 21, first bearing 321 and second bearing 322, reach the purpose of cooling.

A second through hole 323 is formed in the side wall of the main shaft heat exchange cavity 32, and the main shaft heat exchange cavity 32 is communicated with the fluid homogenizing cavity 1 through a second through hole 321 to form the heat exchange outflow fluid channel; through the arrangement of the second through hole 321, the hot fluid after the heat exchange of the inner diameter of the main shaft heat exchange cavity 32 can flow back to the fluid homogenizing cavity 1, so that the fluid can be further homogenized and emulsified.

As shown in fig. 8, a magnetic continuous homogenizer with a heat dissipation structure for a magnetic cavity in the magnetic continuous homogenizer is provided.

Comprises a homogenizer body 4 and a motor 5; the heat dissipation structure is integrated in the homogenizer body 4; the homogenizer body 4 is provided with a liquid inlet 41 and a liquid outlet 42; the output shaft of the motor 5 is fixed with the initial end of the outer magnetic rotor 23.

The working principle of the embodiment is as follows: when the homogenizer works, firstly, the liquid inlet 41 is communicated with the external cold fluid to enable the external cold fluid to flow into the fluid homogenizing cavity 1, then the liquid outlet 42 is opened, then the motor 5 is opened, the output shaft of the motor 5 drives the external magnetic rotor 23 to start rotating, the internal magnetic rotor 24 generates linkage due to the non-contact magnetic coupling effect between the internal magnetic rotor 24 and the external magnetic rotor 23, so that the main shaft 21 fixed on the internal magnetic rotor 24 rotates at high speed, and further drives the homogenizer impeller 22 at one end of the main shaft 21 to rotate, the homogenizer impeller 22 can homogenize and emulsify the fluid in the fluid homogenizing cavity 1 while rotating, the main shaft 21 can drive the cold fluid heat exchange in the fluid homogenizing cavity 1 to enter the internal magnetic heat dissipation cavity 31 while rotating, the cold fluid flows in the internal magnetic heat dissipation cavity 31 and exchanges heat with the blind holes of the external magnetic rotor 23 and the outer side of the internal magnetic rotor 24, the spindle 21 rotates at a high speed and generates centrifugal force, due to the action of the centrifugal force, fluid in the internal magnetic heat dissipation cavity 31 enters the spindle 21 through the feeding hole 211 on the spindle 21, exchanges heat with the inner wall of the spindle 21, then flows into the spindle heat dissipation cavity 32 from the discharging hole 212, exchanges heat with the outer side of the spindle 21 and the first bearing 321 and the second bearing 322 of the fixed spindle 21, hot fluid flows back into the fluid homogenizing cavity 1 through the heat exchange outflow fluid channel, flows out from the fluid outlet 42 after being homogenized and emulsified by the homogenizer impeller 22, continuously conveys cold fluid from the fluid inlet 41 into the fluid homogenizing cavity 1 when the homogenizer works, flows out from the fluid outlet 42 after internal heat exchange, and dissipates heat to the fluid heat exchange cavity 3 through the forced convection circulation.

Example two

As shown in fig. 4 and 5, the present embodiment is different from the first embodiment in that a separation sleeve 26 is disposed between the outer magnetic rotor 23 and the inner magnetic rotor 24, and the separation sleeve 26 separates a gap between the outer magnetic rotor 23 and the inner magnetic rotor 24 into a first gap and a second gap;

the isolation sleeve 26 is a cavity structure with an opening at one end, and the opening end of the isolation sleeve 26 is connected with the side wall of the fluid heat exchange cavity 3 to form a sealed heat exchange channel; the heat exchange channel, the second gap and the fluid homogenizing cavity 1 are communicated;

the present embodiment can avoid fluid leakage while fluid flows in the fluid heat exchange chamber 3 by the arrangement of the isolation sleeve 26.

Further, the head of the bolt 25 is fixed with the starting end of the inner magnetic rotor 24, and the rod part of the bolt 25 is sleeved in the feed hole 211 and is in interference fit with the hole wall of the feed hole 211; inner holes 251 are formed in the head and the rod of the bolt 25, and the inner holes 251 are communicated with the feeding hole 211;

in this embodiment, the bolt inner hole 251 is formed in the bolt 25, so that the internal magnetic rotor 24 and the main shaft 21 can be fixed, and the cold fluid in the fluid heat exchange chamber 3 can flow inside the bolt 25 and the main shaft 21, and the cold fluid exchanges heat with the main shaft 21, the internal magnetic rotor 24 and the bolt 25, thereby cooling the main shaft 21, the internal magnetic rotor 24 and the bolt 25 from inside.

EXAMPLE III

As shown in fig. 3, 9 and 10, the heat dissipation structure is integrated in the homogenizer body 4; the homogenizer body 4 is provided with a liquid inlet 41 and a liquid outlet 42; the output shaft of the motor 5 is fixed with the starting end of the outer magnetic rotor 23, the liquid inlet 41 is arranged on the outer surface of the homogenizer body 4, and the liquid outlet 42 is arranged at one end of the homogenizer body 4; the port of the other end of the homogenizer body 4 is also provided with a flange which is integrally formed with the homogenizer body, the other side of the flange is also fixedly provided with a motor connecting disc, the output end of the homogenizing transmission mechanism 2 is arranged in a cavity of the motor connecting disc, and the upper side and the lower side of the motor connecting disc are also provided with a plurality of heat dissipation holes, so that external cold air can conveniently enter the motor connecting disc to exchange heat with the output end of the homogenizing transmission mechanism 2, and the purpose of heat dissipation is achieved;

the output end of the homogeneous transmission mechanism comprises a motor 5, the output shaft of the motor 5 is connected with the starting end of an external magnetic rotor 23, the ending end of the external magnetic rotor 23 is sleeved outside an internal magnetic rotor 24, an isolation sleeve 26 is arranged between the external magnetic rotor 23 and the internal magnetic rotor 24, the isolation sleeve 26 is of a V-shaped structure so as to adapt to the flow direction of fluid, the opening end of the isolation sleeve 26 is connected with the inner side surface of the flange end of a motor connecting disc, the internal magnetic rotor 24 is sealed inside the isolation sleeve 26, and the sealing performance of the fluid heat exchange cavity 3 is guaranteed;

the inside cavity of interior magnetic rotor 24, interior magnetic rotor 24 passes through bolt 25 to be fixed the initiating terminal of main shaft 21, bolt 25 is hexagonal holed bolt, and the frictional force between hexagonal bolt and the interior magnetic rotor 24 is big, can strengthen fixing to interior magnetic rotor 24, just the hole both ends of hexagonal holed bolt are linked together with interior magnetic heat transfer chamber 31, main shaft 21 inner chamber respectively for inside the fluid in interior magnetic heat transfer chamber 31 can enter into main shaft 21, and cold fluid and the inside heat exchange that takes place of main shaft 21 play the effect of cooling, can prolong main shaft 21's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a heat radiation structure of magnetism chamber in magnetism homogenizing machine which characterized in that: comprises a fluid homogenizing cavity (1), a homogenizing transmission mechanism (2) and a fluid heat exchange cavity (3); the fluid heat exchange cavity (3) is communicated with the fluid homogenizing cavity (1) and forms a heat exchange fluid inlet channel and a heat exchange fluid outlet channel;

the homogenizing transmission mechanism (2) comprises a main shaft (21) and a homogenizer impeller (22), and the homogenizer impeller (22) is arranged on the main shaft (21);

the terminal end of the main shaft (21) extends into the fluid homogenizing chamber (1) and causes the homogenizer impeller (22) to be limited in the fluid homogenizing chamber (1); the starting end of the main shaft (21) is limited in the fluid heat exchange cavity (3); the main shaft (21) is hollow and provided with a feed hole (211) and a discharge hole (212), the feed hole (211) is communicated with the heat exchange fluid inlet channel, and the discharge hole (212) is communicated with the heat exchange fluid outlet channel.

2. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 1, wherein: the homogeneous transmission mechanism (2) also comprises an outer magnetic rotor (23) and an inner magnetic rotor (24); the inner magnetic rotor (24) is sleeved at the starting end of the main shaft (21) and fixed through a bolt (25); the terminating end of the external magnetic rotor (23) is provided with a blind hole, and the terminating end of the external magnetic rotor (23) is sleeved on the outer side of the internal magnetic rotor (24) and is in clearance fit with the internal magnetic rotor (24); the gap is communicated with the heat exchange fluid inlet channel.

3. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 2, wherein: an isolation sleeve (26) is arranged between the outer magnetic rotor (23) and the inner magnetic rotor (24), and the isolation sleeve (26) divides a gap between the outer magnetic rotor (23) and the inner magnetic rotor (24) into a first gap and a second gap;

the isolation sleeve (26) is of a cavity structure with an opening at one end, and the opening end of the isolation sleeve (26) is connected with the side wall of the fluid heat exchange cavity (3) to form a sealed heat exchange channel; the heat exchange channel, the second gap and the fluid homogenizing cavity (1) are communicated.

4. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 2, wherein: the head of the bolt (25) is fixed with the starting end of the inner magnetic rotor (24), and the rod part of the bolt (25) is sleeved in the feed hole (211) and is in interference fit with the wall of the feed hole (211); inner holes (251) are formed in the head and the rod of the bolt (25), and the inner holes (251) are communicated with the feeding hole (211).

5. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 2, wherein: the fluid heat exchange cavity (3) comprises an internal magnetic heat exchange cavity (31) and a main shaft heat exchange cavity (32), and the main shaft heat exchange cavity (32) is limited in the fluid homogenizing cavity (1); a first connecting flange disc (33) is fixedly arranged on the terminating end wall of the inner magnetic heat exchange cavity (31); a second connecting flange (34) is fixedly arranged on the initial end wall of the main shaft heat exchange cavity (32); the first connecting flange plate (33), the second connecting flange plate (34) and the outer side wall of the fluid homogenizing cavity (1) are fastened in a spiral manner, so that the inner magnetic heat exchange cavity (31), the main shaft heat exchange cavity (32) and the fluid homogenizing cavity (1) are detachably connected;

the starting end of the main shaft (21) is limited in the inner magnetic heat exchange cavity (31), and the terminating end of the main shaft (21) sequentially penetrates through a flange plate hole of a first connecting flange plate (33), a flange plate hole of a second connecting flange plate (34) and the main shaft heat exchange cavity (32) and is rotatably connected with the fluid homogenizing cavity (1).

6. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 5, wherein: the end face of one end, which is in contact with the second connecting flange disc (34), of the first connecting flange disc (33) is a first end face, the first end face further comprises a first area far away from the center of the first connecting flange disc (33) and a second area close to the center of the first connecting flange disc (33), the joint of the first area and the second area is in a step-shaped structure, and the distance from the second area to the other end of the first connecting flange disc (33) is smaller than the distance from the first area to the other end of the first connecting flange disc (33);

the end face of one end, which is in contact with the first connecting flange plate (33), of the second connecting flange plate (34) is a second end face, the second end face further comprises a third area far away from the center of the second connecting flange plate (34) and a fourth area close to the center of the second connecting flange plate (34), the distance from the fourth area to the other end of the second connecting flange plate (34) is greater than the distance from the third area to the other end of the second connecting flange plate (34), and a first through hole (341) is formed in the fourth area of the second connecting flange plate (34);

the first area of the first connecting flange plate (33) is in sealing contact with the third area of the second connecting flange plate (34) and a material passing gap is formed between the second area of the first connecting flange plate (33) and the fourth area of the second connecting flange plate (34), and the material passing gap, the sealing channel, the first through hole (341) and the fluid homogenizing cavity (1) are communicated to form the heat exchange fluid inlet channel.

7. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 5, wherein: the starting end of the main shaft heat exchange cavity (32) is provided with an annular first bearing mounting position, a first bearing (321) is fixedly arranged on the first bearing mounting position, and the first bearing (321) is used for fixing the middle part of the main shaft (21); the end of main shaft heat exchange cavity (32) is provided with an annular second bearing installation position, second bearing (322) have set firmly on the second bearing installation position, second bearing (322) are in order to fix main shaft (21) end.

8. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 5, wherein: a second through hole (323) is formed in the side wall of the main shaft heat exchange cavity (32), and the main shaft heat exchange cavity (32) is communicated with the fluid homogenizing cavity (1) through the second through hole (323) to form the heat exchange outflow fluid channel.

9. The heat dissipation structure of the inner magnetic cavity of the magnetic homogenizer of claim 8, wherein: the homogenizer also comprises a homogenizer body (4) and a motor (5); the heat dissipation structure is integrated in the homogenizer body (4);

the homogenizer body (4) is provided with a liquid inlet (41) and a liquid outlet (42); and an output shaft of the motor (5) is fixed with the initial end of the outer magnetic rotor (23).