CN216245438U

CN216245438U - Dry-pressing magnetic powder production drying kiln for waste heat recovery

Info

Publication number: CN216245438U
Application number: CN202122998268.7U
Authority: CN
Inventors: 马晓伟; 楼旺永; 王玉平; 连江滨
Original assignee: Zhejiang Ante Magnetic Material Co ltd
Current assignee: Zhejiang Ante Magnetic Material Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-08
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a drying kiln for producing dry-pressed magnetic powder for recovering waste heat, belongs to the technical field of magnetic powder production, and solves the problem that hot gas cannot be recycled by the conventional drying kiln. This dry-pressing magnetic powder production is with drying kiln to waste heat recovery, comprising a base plate, the top of bottom plate is provided with the kiln body and stoving structure respectively, the left side of the kiln body is provided with the motor, the output shaft fixedly connected with rotary rod of motor, the other end of rotary rod extends to the inside of the kiln body and rotates rather than the inner wall and be connected, the fixed surface of rotary rod is connected with a plurality of rotating blade, the top of the kiln body is provided with into the hopper respectively, collection box and fan, the intercommunication has the blast pipe between the left side of collection box and the kiln body, the upper and lower both sides of collection box inner chamber all are provided with the hot plate, the inside swing joint of collection box has filter plate. The utility model can not only dry the iron powder evenly, but also recycle the heat.

Description

Dry-pressing magnetic powder production drying kiln for waste heat recovery

Technical Field

The utility model belongs to the technical field of magnetic powder production, and relates to a drying kiln for dry-pressing magnetic powder production, in particular to a drying kiln for dry-pressing magnetic powder production for recovering waste heat.

Background

Magnetic powder, a hard magnetic mono-domain particle. It is mixed with adhesive and solvent to form magnetic slurry, which is coated on the surface of plastic or metal sheet to form magnetic recording material, such as magnetic tape, magnetic disk and magnetic card. The magnetic powder is the core component of the magnetic coating and is the main factor determining the magnetic properties of the magnetic recording medium. Magnetic powder greatly affects the properties of magnetic recording materials.

And the magnetic powder need use the drying kiln to carry out drying process to it after production is accomplished, but present drying kiln when drying the magnetic powder, it is inhomogeneous to dry easily, leads to its easy adhesion together, and the in-process of drying simultaneously generally can exhaust waste gas, and this part waste gas has a large amount of heats when the exhaust, the calorific loss who has easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a waste heat recovery drying kiln for producing dry-pressed magnetic powder.

The purpose of the utility model can be realized by the following technical scheme:

a drying kiln for producing dry-pressed magnetic powder for recovering waste heat comprises a bottom plate, wherein a kiln body and a drying structure are respectively arranged at the top of the bottom plate, a motor is arranged at the left side of the kiln body, a rotary rod is fixedly connected to an output shaft of the motor, the other end of the rotary rod extends into the kiln body and is rotatably connected with the inner wall of the kiln body, a plurality of rotary blades are fixedly connected to the surface of the rotary rod, a feeding hopper, a recovery box and a fan are respectively arranged at the top of the kiln body, an exhaust pipe is communicated between the left side of the recovery box and the kiln body, heating plates are respectively arranged at the upper side and the lower side of the inner cavity of the recovery box, a filter screen plate is movably connected inside the recovery box, a fixed plate is fixedly connected to the top of the filter screen plate, a connecting plate is fixedly connected to the other end of the filter screen plate, an air inlet pipe is communicated between the fan and the recovery box, and an air suction pipe is communicated between the other side of the fan and the kiln body, the right side of the bottom of the kiln body is fixedly connected with a discharge pipe.

The working principle of the utility model is as follows: during the use, can empty the inside to the kiln body through going into the hopper with the magnetic, then starter motor, and drive rotating vane through the rotary rod and carry out even stirring to the magnetic, dry to the magnetic through the stoving structure simultaneously, in order to avoid thermal loss, can start the fan, make its waste gas through the breathing pipe with the internal portion of kiln carry to the inside of collection box, heat again waste gas through the hot plate afterwards, carry out filtration purification treatment through filter plate to waste gas simultaneously, the inside that the gas after the purification got into the kiln body again through the blast pipe heats the magnetic, after the heating is accomplished, the accessible is arranged the material pipe and is taken out the magnetic can.

The drying structure comprises a heating box and a water pump, heating pipes are arranged on two sides of the interior of the heating box, a liquid suction pipe is communicated between the water pump and the heating box, a U-shaped pipe is communicated between the water pump and the interior of the kiln body, and the other end of the U-shaped pipe extends to the outer side of the kiln body and is communicated with the top of the heating box.

By adopting the structure, the interior of the kiln body can be dried.

A U-shaped groove is formed in the kiln body, and the U-shaped pipe is located on the inner wall of the U-shaped groove.

By adopting the structure, the U-shaped pipe is convenient to stably place.

The bottom of collection box inner chamber has seted up the standing groove, and the inside of standing groove is provided with magnet, the bottom of connecting plate is provided with the iron sheet, and uses between magnet and the iron sheet in the cooperation.

By adopting the structure, the filter screen plate is convenient to disassemble and assemble.

The inside of the kiln body is provided with a guide plate, and the guide plate is positioned below the rotating blades.

By adopting the structure, the iron powder is convenient to discharge.

And a liquid discharge pipe is arranged on the left side of the heating box, and a valve is arranged on the surface of the liquid discharge pipe.

By adopting the structure, hot water can be uniformly discharged, and secondary utilization can be conveniently carried out.

Compared with the prior art, this dry pressing drying kiln for magnetic powder production to waste heat recovery has following advantage:

1. according to the utility model, the motor drives the rotating rod and the rotating blades to rotate, so that the rotating blades can stir iron powder to prevent the iron powder from being adhered together to influence the quality of the magnetic powder, meanwhile, the waste gas in the kiln body is extracted through the fan, the waste gas is conveniently discharged to the recovery box, the waste gas is heated by the heating plate, meanwhile, the waste gas can be filtered and purified through the arrangement of the filter screen plate, the filtered hot gas is conveniently conveyed to the interior of the kiln body again, the heat is conveniently recycled, and the problem that the hot gas cannot be recycled in the conventional drying kiln is solved.

2. According to the utility model, through the arrangement of the heating box, the heating pipe, the liquid suction pipe, the water pump and the U-shaped pipe, the heating pipe heats the water source in the heating box, the heated water source is conveyed into the U-shaped pipe through the water pump, and then the magnetic powder in the kiln body is conveniently heated through hot air emitted by the U-shaped pipe.

3. This practicality makes magnet can absorb the iron sheet through the setting of iron sheet and magnet to be convenient for fix filter plate.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front sectional structural schematic view of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a partial sectional structural view in the present invention.

Fig. 5 is a partially enlarged structural view at a in fig. 2 of the present invention.

In the figure, 1, a bottom plate; 2. a kiln body; 3. a motor; 4. rotating the rod; 5. a rotating blade; 6. feeding into a hopper; 7. a discharge pipe; 8. a recycling bin; 9. heating plates; 10. a fixing plate; 11. a filter screen plate; 12. a connecting plate; 13. a magnet; 14. iron sheets; 15. an exhaust pipe; 16. an air inlet pipe; 17. a fan; 18. an air intake duct; 19. a drying structure; 191. a heating box; 192. heating a tube; 193. a water pump; 194. a pipette; 195. a U-shaped pipe; 20. a liquid discharge pipe; 21. a valve; 22. a baffle; 23. a U-shaped groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the drying kiln for producing dry-pressed magnetic powder by recovering waste heat comprises a bottom plate 1, wherein the top of the bottom plate 1 is respectively provided with a kiln body 2 and a drying structure 19, the left side of the kiln body 2 is provided with a motor 3, an output shaft of the motor 3 is fixedly connected with a rotating rod 4, the other end of the rotating rod 4 extends into the kiln body 2 and is rotatably connected with the inner wall of the kiln body, the surface of the rotating rod 4 is fixedly connected with a plurality of rotating blades 5, the top of the kiln body 2 is respectively provided with a feeding hopper 6, a recovery box 8 and a fan 17, an exhaust pipe 15 is communicated between the left side of the recovery box 8 and the kiln body 2, the upper side and the lower side of the inner cavity of the recovery box 8 are both provided with heating plates 9, the inside of the recovery box 8 is movably connected with a filter screen plate 11, the top of the filter screen plate 11 is fixedly connected with a fixing plate 10, and the other end of the filter screen plate 11 is fixedly connected with a connecting plate 12, the intercommunication has intake pipe 16 between fan 17 and the collection box 8, the intercommunication has breathing pipe 18 between the opposite side of fan 17 and the kiln body 2, row's material pipe 7 is arranged to the right side fixedly connected with of the kiln body 2 bottom, drive rotary rod 4 and rotary blade 5's rotation through motor 3, make rotary blade 5 can stir the iron powder, avoid its adhesion together, influence the quality of magnetic powder, simultaneously through the extraction of fan 17 to the inside waste gas of the kiln body 2, and conveniently discharge waste gas to collection box 8, make hot plate 9 carry out heat treatment to waste gas, simultaneously through the setting of filter plate 11, can carry out filtration purification to waste gas, and conveniently carry the inside to the kiln body 2 again with the steam after filtering, thereby conveniently carry out recycle to the heat, the problem that present drying kiln can't carry out recycle to hot gas has been solved.

The drying structure 19 comprises a heating box 191 and a water pump 193, heating pipes 192 are arranged on two sides of the inside of the heating box 191, a water suction pipe 194 is communicated between the water pump 193 and the heating box 191, a U-shaped pipe 195 is communicated between the water pump 193 and the inside of the kiln body 2, the other end of the U-shaped pipe 195 extends to the outside of the kiln body 2 and is communicated with the top of the heating box 191, in the embodiment, through the arrangement of the heating box 191, the heating pipes 192, the water suction pipe 194, the water pump 193 and the U-shaped pipe 195, the heating pipes 192 heat a water source in the heating box 191, the heated water source is conveyed into the U-shaped pipe 195 through the water pump 193, and then the magnetic powder in the kiln body 2 can be heated conveniently through hot air emitted from the U-shaped pipe 195.

U type groove 23 has been seted up to the inside of the kiln body 2, and U type pipe 195 is located the inner wall in U type groove 23, in this embodiment, through the setting in U type groove 23, can avoid it to take place to drop to stable the placing of U type pipe 195.

The standing groove has been seted up to the bottom of 8 inner chambers of collection box, and the inside of standing groove is provided with magnet 13, and the bottom of connecting plate 12 is provided with iron sheet 14, and cooperates the use between magnet 13 and the iron sheet 14, in this embodiment, through the setting of iron sheet 14 and magnet 13, makes magnet 13 can absorb iron sheet 14 to be convenient for fix filter plate 11.

The inside of the kiln body 2 is provided with guide plate 22, and guide plate 22 is located rotating vane 5's below, in this embodiment, through guide plate 22's setting, can lead to the flow direction of the magnetic after the stoving to conveniently discharge the processing to it.

In the present embodiment, the drain pipe 20 and the valve 21 are provided, so that the hot water can be recycled by discharging the recycled hot water through the drain pipe 20 and the valve 21.

The working principle of the utility model is as follows: when the device is used, magnetic powder can be poured into the kiln body 2 through the feeding hopper 6, then the motor 3 is started, the output shaft of the motor 3 drives the rotating blades 5 to uniformly stir the magnetic powder through the rotating rod 4, meanwhile, the heating pipe 192 is started to heat a water source, heated hot water is conveyed into the U-shaped pipe 195 through the water pump 193 and flows into the heating box 191 again through the U-shaped pipe 195 to be circularly heated, then the U-shaped pipe 195 distributes the heat of the U-shaped pipe to the inside of the kiln body 2 to dry the magnetic powder, in order to avoid the loss of the heat, the fan 17 can be started, the fan 17 conveys waste gas in the kiln body 2 to the inside of the recycling box 8 through the air suction pipe 18 and heats the waste gas again through the heating plate 9, meanwhile, the waste gas is filtered and purified through the filter screen plate 11, the purified gas enters the inside of the kiln body 2 again through the exhaust pipe 15 to heat the magnetic powder, after the heating is finished, the magnetic powder can be taken out through the discharge pipe 7.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The drying kiln for producing the waste heat recovered dry-pressed magnetic powder comprises a bottom plate (1) and is characterized in that a kiln body (2) and a drying structure (19) are respectively arranged at the top of the bottom plate (1), a motor (3) is arranged on the left side of the kiln body (2), a rotary rod (4) is fixedly connected with an output shaft of the motor (3), the other end of the rotary rod (4) extends into the kiln body (2) and is rotatably connected with the inner wall of the kiln body, a plurality of rotary blades (5) are fixedly connected to the surface of the rotary rod (4), a hopper (6), a recovery box (8) and a fan (17) are respectively arranged at the top of the kiln body (2), an exhaust pipe (15) is communicated between the left side of the recovery box (8) and the kiln body (2), heating plates (9) are respectively arranged on the upper side and the lower side of the inner cavity of the recovery box (8), and a filter screen plate (11) is movably connected to the interior of the recovery box (8), and the top fixedly connected with fixed plate (10) of filter plate (11), and the other end fixedly connected with connecting plate (12) of filter plate (11), it has intake pipe (16) to communicate between fan (17) and collection box (8), it has breathing pipe (18) to communicate between the opposite side of fan (17) and the kiln body (2), row's material pipe (7) are arranged to the right side fixedly connected with of kiln body (2) bottom.

2. The drying kiln for producing the dry-pressed magnetic powder for recovering the waste heat according to claim 1, wherein the drying structure (19) comprises a heating box (191) and a water pump (193), heating pipes (192) are arranged on two sides of the inside of the heating box (191), a liquid suction pipe (194) is communicated between the water pump (193) and the heating box (191), a U-shaped pipe (195) is communicated between the water pump (193) and the inside of the kiln body (2), and the other end of the U-shaped pipe (195) extends to the outside of the kiln body (2) and is communicated with the top of the heating box (191).

3. The drying kiln for producing the dry-pressed magnetic powder for recovering the waste heat according to claim 2, wherein a U-shaped groove (23) is formed in the kiln body (2), and the U-shaped pipe (195) is positioned on the inner wall of the U-shaped groove (23).

4. The drying kiln for producing dry-pressed magnetic powder for recycling waste heat according to claim 1, wherein a placing groove is formed in the bottom of the inner cavity of the recycling box (8), a magnet (13) is arranged inside the placing groove, an iron sheet (14) is arranged at the bottom of the connecting plate (12), and the magnet (13) and the iron sheet (14) are used in a matching manner.

5. The drying kiln for producing dry-pressed magnetic powder for recovering waste heat according to claim 1, characterized in that a guide plate (22) is arranged inside the kiln body (2), and the guide plate (22) is positioned below the rotating blade (5).

6. The drying kiln for producing dry-pressed magnetic powder for recovering waste heat according to claim 2, wherein a drain pipe (20) is provided at the left side of the heating box (191), and a valve (21) is provided on the surface of the drain pipe (20).