CN215628114U

CN215628114U - Magnet steel production cooling device

Info

Publication number: CN215628114U
Application number: CN202122501942.6U
Authority: CN
Inventors: 杨义; 俞新瑶; 潘丁平
Original assignee: Hunan Ruifeng Magnetoelectric Technology Co ltd
Current assignee: Hunan Ruifeng Magnetoelectric Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-01-25
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a magnetic steel production cooling device which comprises a bottom plate, wherein a cooling box is arranged above the bottom plate, a cooling cylinder is fixed inside the cooling box, the upper end and the lower end of the cooling cylinder are fixedly connected with the inner walls of the upper end and the lower end of the cooling box, and a first cooling assembly and a second cooling assembly for cooling magnetic steel are arranged outside the cooling cylinder; the cooling device comprises a cooling cylinder, a first cooling component and a second cooling component, wherein the first cooling component is used for cooling the magnetic steel positioned in the middle position, the second cooling component is positioned in the middle position of the cooling cylinder, and the second cooling component comprises a first mixing mechanism and a second mixing mechanism which are used for mixing liquid nitrogen and air.

Description

Magnet steel production cooling device

Technical Field

The utility model relates to the field of magnetic steel processing, in particular to a magnetic steel production cooling device.

Background

The magnetic steel is generally an alnico alloy, which is synthesized from several hard strong metals, such as iron, aluminum, nickel, cobalt, and the like, and sometimes copper, niobium, and tantalum, and is used for manufacturing an ultra-hard permanent magnet alloy, and in order to obtain good magnetic performance, the magnetic steel is rapidly cooled after tempering treatment.

The utility model discloses a chinese utility model patent that current patent publication number is CN212482131U discloses an efficient magnet circulating water cooling device, through condenser tube, nitrogen gas pipe and heating panel, the heating panel stretches into in the cooling cylinder to can contact with the magnet that is located cooling cylinder central part, at cooperation heat dissipation silicon strip and cooling cylinder, can conduct away the heat on the magnet of cooling cylinder central part, thereby improved the radiating rate who changes the device, very big reinforcing the device's radiating effect.

Above-mentioned cooling device is when using, though can realize the cooling to magnet central part, but directly lets in the cooling cylinder with the liquid nitrogen through the nitrogen gas pipe, makes liquid nitrogen and magnet contact not enough even easily to it is not good to make the cooling effect, to this problem, provides a magnet steel production cooling device now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a magnetic steel production cooling device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a cooling device for magnetic steel production comprises a bottom plate, wherein a cooling box is arranged above the bottom plate, a cooling cylinder is fixed inside the cooling box, the upper end and the lower end of the cooling cylinder are fixedly connected with the inner walls of the upper end and the lower end of the cooling box, a first cooling assembly for cooling magnetic steel is arranged on the outer side of the cooling cylinder, a feeding pipe penetrating through the cooling box and the cooling cylinder is arranged above the cooling box, and the cooling device also comprises a second cooling assembly;

the second cooling assembly is used for cooling the magnetic steel positioned at the middle position, the second cooling assembly is positioned at the middle position of the cooling cylinder, and the second cooling assembly comprises a first mixing mechanism and a second mixing mechanism which are used for mixing liquid nitrogen and air.

As a further scheme of the utility model: the second cooling assembly further comprises a sleeve penetrating through the cooling box, the upper end of the sleeve is connected with a liquid nitrogen inlet pipe used for introducing liquid nitrogen, the bottom end of the sleeve is connected with an air inlet pipe used for introducing air, an air blower is fixed in the middle of the upper portion of the bottom plate, the output end of the air blower is fixedly connected with the air inlet pipe, the first mixing mechanism is located inside the sleeve, the second mixing mechanism is provided with multiple groups, and the multiple groups of second mixing mechanisms are uniformly distributed on the surface of the sleeve.

As a further scheme of the utility model: the inside of sheathed tube is equipped with and is used for the interior barrel that separates first mixing mechanism and second mixing mechanism, the upper and lower end of interior barrel all with sheathed tube inside fixed connection, just interior barrel all is linked together with liquid nitrogen admission pipe, air admission pipe, just the surface of interior barrel evenly is equipped with the perforation that liquid nitrogen and air after the preliminary mixing of being convenient for passed.

As a further scheme of the utility model: first mixing mechanism is including being fixed in the fixed plate of barrel upper and lower extreme, two sets of the middle part of fixed plate is rotated and is connected with the second pivot, the surperficial equidistance of second pivot is equipped with the second blade that the multiunit is used for mixing liquid nitrogen and air.

As a further scheme of the utility model: the second mixing mechanism comprises a plurality of groups of openings located on the surface of the sleeve, a first rotating shaft is rotatably connected inside the openings, and a plurality of groups of first blades used for mixing liquid nitrogen and air are arranged on the surface of the first rotating shaft.

As a further scheme of the utility model: the first cooling assembly comprises a cold water pipe located inside the cooling tank, the cold water pipe is spirally arranged on the outer side surface of the cooling cylinder in a surrounding mode, and one end of the cold water pipe is communicated with the outside cooling water.

As a still further scheme of the utility model: and a sealing cover for increasing the sealing effect is arranged above the feeding pipe.

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

according to the utility model, through the arrangement of the first mixing mechanism, when air and liquid nitrogen enter the inner cylinder, the second blade can be driven to rotate under the action of the airflow, so that the liquid nitrogen and the air can be primarily mixed, the liquid nitrogen in a mist shape can be uniformly distributed in the air, then the primarily mixed liquid nitrogen and air enter between the inner cylinder and the sleeve through the through hole and are discharged through the opening, at the moment, the first blade can be driven to rotate under the action of the airflow, so that the liquid nitrogen and the air can be mixed again, the liquid nitrogen can uniformly enter the cooling cylinder, the magnetic steel in the cooling cylinder can be uniformly cooled, and the cooling effect is improved.

According to the utility model, the first cooling component is arranged, the cooling water is introduced into the cold water pipe, so that the magnetic steel in the cooling cylinder can be cooled, and the second cooling mechanism is arranged, so that the magnetic steel in the middle position can be cooled, the phenomenon of uneven cooling of the magnetic steel is avoided, the cooling effect can be further improved, the structure is simple, and the use is convenient.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the sleeve of the present invention.

Fig. 3 is a schematic structural view of an opening in the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention.

Wherein: 1. a base plate; 2. a cooling tank; 3. a feed pipe; 4. a cooling cylinder; 5. a cold water pipe; 6. a sleeve; 7. an opening; 8. a first rotating shaft; 9. a first blade; 10. an inner cylinder; 11. perforating; 12. a fixing plate; 13. a second rotating shaft; 14. a second blade; 15. liquid nitrogen enters the pipe; 16. an air inlet pipe; 17. a blower; 18. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, a magnetic steel production cooling apparatus includes a bottom plate 1, a cooling tank 2 is disposed above the bottom plate 1, a cooling cylinder 4 is fixed inside the cooling tank 2, upper and lower ends of the cooling cylinder 4 are both fixedly connected to inner walls of the upper and lower ends of the cooling tank 2, a first cooling assembly for cooling magnetic steel is disposed outside the cooling cylinder 4, the first cooling assembly is used for cooling a magnet close to an inner wall of the cooling cylinder 4, a feeding pipe 3 penetrating through the cooling tank 2 and the cooling cylinder 4 is disposed above the cooling tank 2, and a second cooling group is further included;

the second cooling module is used for cooling the magnetic steel positioned at the middle position, so that the magnetic steel positioned at the middle position can be cooled by the cooling device, the condition that the magnetic steel is not uniformly cooled is avoided, the second cooling module is positioned at the middle position of the cooling cylinder 4, the second cooling module comprises a first mixing mechanism and a second mixing mechanism which are used for mixing liquid nitrogen and air, the liquid nitrogen and the air can be sufficiently mixed, the liquid nitrogen which is vaporific can be uniformly distributed in the air, the liquid nitrogen can be uniformly distributed in the cooling cylinder, and the magnetic steel inside the cooling cylinder can be uniformly cooled conveniently.

The second cooling module is including running through sleeve pipe 6 that cooler bin 2 set up, sleeve pipe 6's upper end is connected with the liquid nitrogen admission pipe 15 that is used for letting in the liquid nitrogen, during the use, lets in atomizing liquid nitrogen to the inside of interior barrel 10 through liquid nitrogen admission pipe 15, sleeve pipe 6's bottom is connected with the air admission pipe 16 that is used for letting in the air, bottom plate 1's top middle part is fixed with air-blower 17, air-blower 17's output with air admission pipe 16 fixed connection, during the use, starts air-blower 17, air-blower 17 passes through air admission pipe 16 with external air and carries to the inside of interior barrel 10, first mixing mechanism is located sleeve pipe 6's inside, second mixing mechanism is equipped with the multiunit, and the multiunit second mixing mechanism evenly distributed is on sleeve pipe 6's surface.

The inside of sleeve pipe 6 is equipped with and is used for barrel 10 in first mixing mechanism and the second mixing mechanism is separated, the last lower extreme of interior barrel 10 all with sleeve pipe 6's inside fixed connection, just interior barrel 10 all is linked together with liquid nitrogen admission pipe 15, air admission pipe 16 for barrel 10's inside in air and the liquid nitrogen can get into, just interior barrel 10's surface evenly is equipped with the perforation 11 that the liquid nitrogen and the air after the multiunit preliminary mixing of being convenient for passed, and the liquid nitrogen and the air of being convenient for preliminary mixing can get into between barrel 10 and the sleeve pipe 6, thereby conveniently mix once more.

First mixing mechanism is including being fixed in the fixed plate 12 of barrel 10 upper and lower extreme, and is two sets of the middle part of fixed plate 12 is rotated and is connected with second pivot 13, the surperficial equidistance of second pivot 13 is equipped with the second blade 14 that the multiunit is used for carrying out the mixture to liquid nitrogen and air, during the use, when the inside of barrel 10 in the air admission, under the effect of air current, can drive multiunit second blade 14 and rotate for liquid nitrogen and air can carry out preliminary mixing, make to be the even distribution of vaporific liquid nitrogen ability in the air.

The second mixing mechanism is including being located the multiunit opening 7 on sleeve 6 surface, the inside rotation of opening 7 is connected with first pivot 8, the surface of first pivot 8 is equipped with the multiunit and is used for carrying out the first blade 9 that mixes to liquid nitrogen and air, during the use, liquid nitrogen and air after the preliminary mixing enter into to between barrel 10 and the sleeve 6 through perforation 11 to discharge through opening 7, at this moment under the effect of air current, can drive first blade 9 and rotate, make liquid nitrogen and air mix once more.

First cooling module is including being located 2 inside cold water pipe 5 of cooler bin, cold water pipe 5 be the heliciform around arrange in the outside surface of cooling cylinder 4, just the one end of cold water pipe 5 communicates with external cooling water phase, through letting in the cooling water to the inside of cold water pipe 5, can cool off the inside magnet steel of cooling cylinder 4, simultaneously under second cooling module's effect for this cooling device can carry out even cooling to the magnet steel.

Example 2

Referring to fig. 1 to 4, the difference from embodiment 1 is: a sealing cover 18 for increasing the sealing effect is arranged above the feeding pipe 3, and the sealing performance of the cooling cylinder 4 can be increased by arranging the sealing cover 18, so that the cooling effect can be further improved.

The working principle of the utility model is as follows:

when the utility model is used, firstly, magnetic steel is put into the cooling cylinder 4 through the feeding pipe 3, then the feeding pipe 3 is sealed through the sealing cover 18, atomized liquid nitrogen is introduced into the inner cylinder 10 through the liquid nitrogen inlet pipe 15, simultaneously, the blower 17 is started, the blower 17 conveys outside air into the inner cylinder 10 through the air inlet pipe 16, under the action of air flow, a plurality of groups of second blades 14 can be driven to rotate, so that the liquid nitrogen and the air can be primarily mixed, the atomized liquid nitrogen can be uniformly distributed in the air, then the primarily mixed liquid nitrogen and the air enter between the inner cylinder 10 and the sleeve 6 through the through holes 11 and are discharged through the opening 7, at the moment, the first blades 9 can be driven to rotate under the action of the air flow, so that the liquid nitrogen and the air can be mixed again, and the liquid nitrogen can uniformly enter the cooling cylinder 4, thereby be convenient for carry out even cooling to the inside magnet steel of cooling cylinder 4, simultaneously through letting in the cooling water to the inside of cold water pipe 5, can cool off the inside magnet steel of cooling cylinder 4 for this cooling device can cool off the magnet steel that is located the intermediate position, avoids the inhomogeneous condition of magnet steel cooling to take place.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The magnetic steel production cooling device comprises a bottom plate (1), wherein a cooling box (2) is arranged above the bottom plate (1), a cooling cylinder (4) is fixed inside the cooling box (2), the upper end and the lower end of the cooling cylinder (4) are fixedly connected with the inner walls of the upper end and the lower end of the cooling box (2), a first cooling assembly for cooling magnetic steel is arranged outside the cooling cylinder (4), and a feeding pipe (3) penetrating through the cooling box (2) and the cooling cylinder (4) is arranged above the cooling box (2), and the magnetic steel production cooling device is characterized by further comprising a second cooling assembly;

the second cooling assembly is used for cooling the magnetic steel positioned at the middle position, the second cooling assembly is positioned at the middle position of the cooling cylinder (4), and the second cooling assembly comprises a first mixing mechanism and a second mixing mechanism which are used for mixing liquid nitrogen and air.

2. A magnetic steel production cooling device according to claim 1, wherein the second cooling assembly further includes a sleeve (6) disposed through the cooling box (2), the upper end of the sleeve (6) is connected with a liquid nitrogen inlet pipe (15) for introducing liquid nitrogen, the bottom end of the sleeve (6) is connected with an air inlet pipe (16) for introducing air, an air blower (17) is fixed in the middle of the upper portion of the bottom plate (1), the output end of the air blower (17) is fixedly connected with the air inlet pipe (16), the first mixing mechanism is located inside the sleeve (6), the second mixing mechanism is provided with multiple groups, and the multiple groups of the second mixing mechanism are uniformly distributed on the surface of the sleeve (6).

3. A magnetic steel production cooling device according to claim 2, wherein an inner cylinder (10) for separating the first mixing mechanism from the second mixing mechanism is arranged inside the sleeve (6), the upper end and the lower end of the inner cylinder (10) are fixedly connected with the inside of the sleeve (6), the inner cylinder (10) is communicated with the liquid nitrogen inlet pipe (15) and the air inlet pipe (16), and the surface of the inner cylinder (10) is uniformly provided with a plurality of groups of through holes (11) for the liquid nitrogen and the air after the preliminary mixing to pass through.

4. A magnetic steel production cooling device according to claim 3, wherein the first mixing mechanism comprises fixing plates (12) fixed to the upper and lower ends of the inner cylinder (10), the middle parts of the two groups of fixing plates (12) are rotatably connected with a second rotating shaft (13), and the surface of the second rotating shaft (13) is equidistantly provided with a plurality of groups of second blades (14) for mixing liquid nitrogen and air.

5. A magnetic steel production cooling device according to claim 1, wherein the second mixing mechanism comprises a plurality of sets of openings (7) on the surface of the sleeve (6), the inside of the openings (7) is rotatably connected with a first rotating shaft (8), and the surface of the first rotating shaft (8) is provided with a plurality of sets of first blades (9) for mixing liquid nitrogen and air.

6. The magnetic steel production cooling device according to claim 1, wherein the first cooling assembly comprises a cold water pipe (5) located inside the cooling tank (2), the cold water pipe (5) is spirally arranged on the outer surface of the cooling cylinder (4) in a surrounding manner, and one end of the cold water pipe (5) is communicated with external cooling water.

7. A magnetic steel production cooling device according to claim 1, characterized in that a sealing cover (18) for increasing the sealing effect is arranged above the feeding pipe (3).