CN216745415U - Energy-saving heating furnace for powder metallurgy - Google Patents

Abstract

The utility model discloses an energy-saving heating furnace for powder metallurgy, and particularly relates to the technical field of powder metallurgy. According to the utility model, the motor drives the rotating shaft to rotate, materials flow into the cavity through the through hole in the rotating shaft and flow into the disc at the bottom through the cavity, the disc rotates along with the rotating shaft, so that the materials are uniformly sprayed into the furnace body from the plurality of discharge holes, the materials are prevented from being accumulated together to form blocks, the stirring rod is matched for rotating and stirring, the materials are heated more uniformly, the melting effect of the materials is improved, and the heat insulation sleeve is sleeved on the outer side of the furnace body and can reduce the heat emission.

Description

Energy-saving heating furnace for powder metallurgy

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to an energy-saving heating furnace for powder metallurgy.

Background

Powder metallurgy includes powder making and products, wherein powder making is mainly a metallurgical process, while powder metallurgy products far exceed the scope of materials and metallurgy, and are often materials and metallurgy, machinery, mechanics and other technologies, and the powder metallurgy technology can obtain various metals with greatly different melting points and densities, and can improve the material performance, so that the powder metallurgy technology is widely used for production of parts, manufacturing of vehicle body shells and the like.

When the existing heating furnace is used, materials are directly conveyed into the furnace body through the feeding pipe and are easily accumulated together, so that the transmission of heat is influenced, the materials are heated unevenly, and the processing effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide an energy-saving heating furnace for powder metallurgy to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an energy-saving heating furnace for powder metallurgy, includes the furnace body, furnace body outer wall cover is equipped with the insulation cover, the fixed feeder hopper that is equipped with in furnace body top, the feeder hopper top is equipped with the motor, the fixed pivot that is equipped with in motor output shaft bottom, the pivot bottom runs through feeder hopper, insulation cover and furnace body in proper order and extends to inside the furnace body, pivot outer wall cover is equipped with the disc, a plurality of discharge openings have been seted up on disc bottom surface, the disc is established in the furnace body, the inside cavity of having seted up of pivot, two through-holes have all been seted up to cavity top and bottom, and two through-holes are linked together with inside, the disc of feeder hopper respectively, the fixed filling tube that is equipped with in feeder hopper top one side, the fixed heat exchange assembly and the defeated gas subassembly of being equipped with of insulation cover one side outer wall.

In a preferred embodiment, the outer walls of the front side and the rear side of the motor are fixedly provided with mounting frames, and the bottom of each mounting frame is fixedly connected with the top of the heat preservation sleeve, so that the stability of the motor in use is improved.

In a preferred embodiment, a plurality of stirring rods are fixedly arranged on the outer wall surface of the rotating shaft and are uniformly distributed on the rotating shaft, and the stirring rods are used for fully scattering materials, so that the heating effect of the materials is improved.

In a preferred embodiment, a discharging pipe is fixedly arranged at the bottom of the furnace body, and an electromagnetic valve is arranged on the discharging pipe, so that the opening and closing of the discharging pipe can be conveniently controlled.

In a preferred embodiment, heat exchange assembly includes the heat transfer case, the heat transfer case is fixed on the insulation cover, the inside fixed spiral pipe that is equipped with of heat transfer case, spiral pipe one end runs through heat transfer case and furnace body in proper order and extends to the furnace body in, the spiral pipe other end runs through the heat transfer case and extends to the heat transfer case outside, and the flue gas that the heating produced passes through the spiral pipe and gives off the heat to the heat transfer incasement for heat the air.

In a preferred embodiment, the gas transmission subassembly includes the air pump, the air pump is fixed on the insulation cover outer wall, the outlet duct one end of air pump runs through the heat transfer case and communicates with heat transfer bottom of the case portion, the fixed hose that is equipped with in heat transfer roof portion, the fixed two gas-supply pipes that are equipped with of hose one end, two gas-supply pipes are all fixed at the feeder hopper top and are linked together with the feeder hopper inner chamber, use the air pump to carry the air toward the heat transfer incasement, and the air can preheat the material in carrying the feeder hopper after the heating.

In a preferred embodiment, a plurality of supporting legs are fixedly arranged at the bottom of the heat preservation sleeve, and the supporting legs are uniformly distributed at the bottom of the heat preservation sleeve, so that the stability of the whole device in use is improved.

The utility model has the technical effects and advantages that:

1. the material melting furnace has the advantages that the rotating shaft is driven to rotate by the motor, materials flow into the cavity through the through hole in the rotating shaft and flow into the disc at the bottom through the cavity, the disc rotates along with the rotating shaft, the materials are uniformly sprayed into the furnace body from the discharge holes, the materials are prevented from being accumulated together to form blocks, the materials are heated more uniformly by rotating and stirring the material melting furnace in a matching manner with the stirring rod, the melting effect of the materials is improved, and the heat dissipation can be reduced by the heat insulation sleeve which is sleeved on the outer side of the furnace body.

2. Derive the flue gas that produces in with the furnace body through using the spiral pipe, the flue gas gives off the heat exchange incasement with the heat through the spiral pipe, use the air pump to carry the air toward the heat transfer in-line, the air is after the heat heating of heat exchange incasement, flow to two air pipes from the hose again in, spout in the feeder hopper from the air-supply pipe, both can avoid material blocking up through-hole and cavity, can preheat the material again, thereby improve the speed of being heated of material, need not reuse solitary firing equipment to heat the air, greatly reduced the cost of device, avoid the thermal waste of flue gas.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the furnace body of the present invention;

FIG. 3 is a cross-sectional view of a feed hopper of the present invention;

FIG. 4 is a cross-sectional view of a heat exchange box of the present invention;

fig. 5 is a sectional view of a rotating shaft of the present invention.

The reference signs are: 1. a furnace body; 2. a thermal insulation sleeve; 3. a feed hopper; 4. a motor; 5. a rotating shaft; 6. a disc; 7. a discharge hole; 8. a cavity; 9. a through hole; 10. a feed tube; 11. a mounting frame; 12. a stirring rod; 13. a discharge pipe; 14. an electromagnetic valve; 15. a heat exchange box; 16. a spiral tube; 17. an air pump; 18. a hose; 19. a gas delivery pipe.

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.

Referring to the attached drawings 1, 2, 3 and 5 of the specification, the energy-saving heating furnace for powder metallurgy of the embodiment comprises a furnace body 1, wherein a heat insulation sleeve 2 is sleeved on the outer wall of the furnace body 1, the outer side of the furnace body 1 plays a role in heat insulation, heat loss is reduced, a feed hopper 3 is fixedly arranged at the top of the furnace body 1, a motor 4 is arranged at the top of the feed hopper 3, mounting frames 11 are fixedly arranged on the outer walls of the front side and the rear side of the motor 4, the bottom of each mounting frame 11 is fixedly connected with the top of the heat insulation sleeve 2 and used for improving the stability of the motor 4 in use, a rotating shaft 5 is fixedly arranged at the bottom of an output shaft of the motor 4, the bottom of the rotating shaft 5 sequentially penetrates through the feed hopper 3, the heat insulation sleeve 2 and the furnace body 1 and extends into the furnace body 1, a disc 6 is sleeved on the outer wall of the rotating shaft 5, a plurality of discharge holes 7 are formed in the bottom surface of the disc 6, and when the disc 6 rotates along with the rotating shaft 5, make inside material from the even spill of a plurality of discharge openings 7, improve the effect of being heated of material, disc 6 is established in furnace body 1, 5 inside cavitys 8 of having seted up of pivot, two through-holes 9 have all been seted up to cavity 8 top and bottom, and two through-holes 9 are linked together with feeder hopper 3 inside, disc 6 inside respectively, the fixed filling tube 10 that is equipped with in 3 top one side of feeder hopper, 2 one side outer wall of insulation cover is fixed and is equipped with heat exchange assemblies and defeated gas subassembly, 5 outer wall fixed surface of pivot are equipped with a plurality of puddlers 12, and a plurality of puddlers 12 evenly distributed on pivot 5 uses puddler 12 to break up the material fully, improves the effect of being heated of material, 1 fixed row of being equipped with in bottom of furnace body expects pipe 13, arrange and be equipped with solenoid valve 14 on the material pipe 13, convenient control arranges opening and shutting of material pipe 13.

The implementation scenario is specifically as follows: when using, the staff is connected with external material's conveyer pipe and the filling tube 10 on the feeder hopper 3 earlier, the material flows in feeder hopper 3 through filling tube 10, then through the through-hole 9 on the pivot 5 flows in the cavity 8, flow in the disc 6 of bottom through cavity 8 again, it is rotatory to use motor 4 to drive pivot 5, disc 6 is rotatory together with pivot 5, make the material from a plurality of discharge openings 7 on disc 6 even spill in furnace body 1, avoid the material to pile up and form blockily together, the rotatory stirring of cooperation puddler 12, it is more even to make the material be heated, the effect of melting of material has been improved, 1 outside cover of furnace body is equipped with insulation cover 2, insulation cover 2 can reduce thermal giving off.

Referring to the attached drawings 1, 2 and 4 of the specification, the energy-saving heating furnace for powder metallurgy of the embodiment comprises a heat exchange assembly and a gas delivery assembly, wherein the heat exchange assembly comprises a heat exchange box 15, the heat exchange box 15 is fixed on a heat insulation sleeve 2, a spiral pipe 16 is fixedly arranged inside the heat exchange box 15, one end of the spiral pipe 16 sequentially penetrates through the heat exchange box 15 and a furnace body 1 and extends into the furnace body 1, the other end of the spiral pipe 16 penetrates through the heat exchange box 15 and extends to the outer side of the heat exchange box 15, smoke generated by heating dissipates heat into the heat exchange box 15 through the spiral pipe 16 for heating air, the gas delivery assembly comprises a gas pump 17, the gas pump 17 is fixed on the outer wall of the heat insulation sleeve 2, one end of a gas outlet pipe of the gas pump 17 penetrates through the heat exchange box 15 and is communicated with the bottom of the heat exchange box 15, a hose 18 is fixedly arranged at the top of the heat exchange box 15, one end of the hose 18 is fixedly provided with two gas delivery pipes 19, two gas-supply pipes 19 are all fixed at 3 tops of feeder hopper and are linked together with 3 inner chambers of feeder hopper, use air pump 17 to carry the air toward heat transfer case 15 in, the air is carried feeder hopper 3 after the heating in, can preheat the material, 2 fixed a plurality of supporting legs that are equipped with in bottom of insulation cover, a plurality of supporting legs are in 2 bottom evenly distributed of insulation cover, increase the stability of whole device when using.

The implementation scenario is specifically as follows: when using furnace body 1 to heat the material, the flue gas of production flows to the spiral pipe 16 in from furnace body 1 top, the flue gas gives off the heat to in the heat transfer case 15 through spiral pipe 16, then use air pump 17 to carry the air suction of external world in the heat exchange line, the air heats the back through the heat in the heat transfer case 15, flow to in two gas-supply pipes 19 from hose 18 again, spout in feeder hopper 3 from gas-supply pipe 19, both can avoid the material to block up through-hole 9 and cavity 8, can heat the material earlier again, thereby improve the heated rate of material, utilize the heat in the flue gas to realize the heating to the air, need not reuse solitary heating equipment to heat the air again, greatly reduced the cost of device, avoid the thermal waste of flue gas.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. The utility model provides a powder metallurgy is with energy-saving heating furnace, includes furnace body (1), its characterized in that: the outer wall sleeve of the furnace body (1) is provided with a heat preservation sleeve (2), the top of the furnace body (1) is fixedly provided with a feed hopper (3), the top of the feed hopper (3) is provided with a motor (4), the bottom of an output shaft of the motor (4) is fixedly provided with a rotating shaft (5), the bottom of the rotating shaft (5) sequentially penetrates through the feed hopper (3), the heat preservation sleeve (2) and the furnace body (1) and extends into the furnace body (1), the outer wall sleeve of the rotating shaft (5) is provided with a disc (6), the surface of the bottom of the disc (6) is provided with a plurality of discharge holes (7), the disc (6) is arranged in the furnace body (1), a cavity (8) is arranged in the rotating shaft (5), the top and the bottom of the cavity (8) are respectively provided with two through holes (9), the two through holes (9) are respectively communicated with the interior of the feed hopper (3) and the interior of the disc (6), one side of the top of the feed hopper (3) is fixedly provided with a feed pipe (10), and a heat exchange assembly and a gas transmission assembly are fixedly arranged on the outer wall of one side of the heat insulation sleeve (2).

2. The energy-saving heating furnace for powder metallurgy according to claim 1, characterized in that: all fixedly on both sides outer wall around motor (4) be equipped with mounting bracket (11), mounting bracket (11) bottom and insulation support (2) top fixed connection.

3. The energy-saving heating furnace for powder metallurgy according to claim 1, characterized in that: the outer wall surface of the rotating shaft (5) is fixedly provided with a plurality of stirring rods (12), and the stirring rods (12) are uniformly distributed on the rotating shaft (5).

4. The energy-saving heating furnace for powder metallurgy according to claim 1, characterized in that: the furnace body (1) bottom is fixed and is equipped with row material pipe (13), be equipped with solenoid valve (14) on arranging material pipe (13).

5. The energy-saving heating furnace for powder metallurgy according to claim 1, characterized in that: the heat exchange assembly comprises a heat exchange box (15), the heat exchange box (15) is fixed on the heat insulation sleeve (2), a spiral pipe (16) is fixedly arranged inside the heat exchange box (15), one end of the spiral pipe (16) sequentially penetrates through the heat exchange box (15) and the furnace body (1) and extends into the furnace body (1), and the other end of the spiral pipe (16) penetrates through the heat exchange box (15) and extends to the outer side of the heat exchange box (15).

6. The energy-saving heating furnace for powder metallurgy according to claim 5, characterized in that: the gas transmission subassembly includes air pump (17), air pump (17) are fixed on insulation cover (2) outer wall, the outlet duct one end of air pump (17) runs through heat transfer case (15) and is linked together bottom heat transfer case (15), heat transfer case (15) top is fixed and is equipped with hose (18), hose (18) one end is fixed and is equipped with two gas-supply pipes (19), and two gas-supply pipes (19) are all fixed at feeder hopper (3) top and are linked together with feeder hopper (3) inner chamber.

7. The energy-saving heating furnace for powder metallurgy according to claim 1, characterized in that: a plurality of supporting legs are fixedly arranged at the bottom of the heat insulation sleeve (2) and are uniformly distributed at the bottom of the heat insulation sleeve (2).

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