CN210862198U

CN210862198U - Heat radiation structure of sintering furnace cooling area

Info

Publication number: CN210862198U
Application number: CN201921168850.7U
Authority: CN
Inventors: 邓道路; 李旭年; 戴银钢; 王成红
Original assignee: Anji County Kesheng Magnetic Equipment Co ltd
Current assignee: Anji County Kesheng Magnetic Equipment Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-06-26
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a heat radiation structure of a sintering furnace cooling area, which comprises a furnace body, wherein the furnace body is provided with a plurality of furnace chambers in the running direction, the furnace chambers are isolated from each other and are parallel to each other, the furnace chambers are all formed in the heat preservation layer of the furnace body and are built by refractory materials, a track extending along the running direction is arranged in the furnace chambers, a sintering tray is correspondingly arranged on the track in a moving way, magnetic materials for sintering processing are placed on the sintering tray, the top and the bottom of the furnace body are both provided with heat radiation layers, the heat radiation layers are provided with a plurality of heat radiation holes for connecting the heat preservation layer and the external environment of the furnace body, the heat radiation holes are uniformly distributed on the heat radiation layers, the heat preservation layer of the furnace body is provided with an air duct, the air duct extends towards the inside from the two sides of the furnace body, the air duct extends and communicates to the furnace chambers on the close, the defect of cracking is reduced, the invalid cooling time loss can be reduced, and the processing efficiency is improved.

Description

Heat radiation structure of sintering furnace cooling area

Technical Field

The utility model relates to a sintering kiln structure that magnetic material's processing adopted specifically is a heat radiation structure of fritting furnace cooling area.

Background

Magnetic materials are materials that react in some way to a magnetic field. Substances can be classified into diamagnetic substances, paramagnetic substances, ferromagnetic substances, antiferromagnetic substances, and ferrimagnetic substances according to the strength of magnetism exhibited by the substances in an external magnetic field. Most materials are diamagnetic or paramagnetic and they are less reactive to external magnetic fields. Magnetic materials are widely used in various fields, such as the field of automobile accessories, and are used in parts such as speakers, car horns and the like, the magnetic materials are processed by extruding and molding crushed magnetic material powder and sintering, and the sintered magnetic materials can be processed into various shapes.

The processing and forming of the magnetic material is similar to the sintering of bricks, but the shape requirement of the magnetic material can be diversified, the magnetic material is used for being installed and matched in different products and has different magnetic field effects, the curing and forming of the magnetic material are all performed through high-temperature sintering of a kiln, so that the magnetic material needs to be subjected to the processes of preheating, high-temperature calcining, heat preservation, cooling and the like in the sintering process, the kiln is provided with corresponding areas according to the sintering process and process, in addition, because the fuel is cleanly utilized, the kiln structure of natural gas energy sources is more and more, in order to improve the energy utilization efficiency and the production efficiency, the kiln adopts a long-cylinder structure, the sintered products run in a straight-through kiln channel, and the corresponding sintering process is completed after passing through different areas.

The cooling zone of the existing sintering furnace is naturally cooled through the cooling holes at the bottom, the cooling efficiency is low, the process time is long in the production with high yield, the production efficiency is easily influenced, and the efficient cooling structure plays an important role in improving the production efficiency.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a heat radiation structure in sintering furnace cooling area.

The utility model provides a technical scheme that above-mentioned problem adopted is: the furnace comprises a furnace body, wherein a plurality of furnace chambers are arranged in the running direction of the furnace body, the furnace chambers are mutually isolated and arranged and are parallel to each other, the furnace chambers are all formed in a heat insulation layer of the furnace body and are built by refractory materials, tracks extending in the same direction as the running direction are arranged in the furnace chambers, sintering trays are correspondingly arranged on the tracks in a moving mode, magnetic materials for sintering processing are placed on the sintering trays, heat dissipation layers are arranged at the top and the bottom of the furnace body, heat dissipation holes communicated with the heat insulation layer and the external environment of the furnace body are arranged on the heat dissipation layers, a plurality of heat dissipation holes are arranged and uniformly distributed on the heat dissipation layers, a ventilation channel is arranged in the heat insulation layer of the furnace body and extends towards the inside from two sides of the furnace body, the ventilation channel extends and is communicated towards the furnace chamber on one side close to the furnace chamber, an air inlet machine is arranged at the, a diversion channel leading to the heat dissipation layer on the nearest side is arranged on the corresponding side of the furnace chamber, and a heat equalizing layer is also arranged between the heat insulation layer and the heat dissipation layer and uniformly distributes heat in the diversion channel to the heat equalizing layer.

The device is a furnace body structure for sintering magnetic material molding, the improved structure is a cooling area for processing a cooling process, the main realized function is to improve the cooling efficiency by improving the cooling structure, and in addition, the active air supply is controlled by improving the active air supply device, so that the cooling speed is controlled, the magnetic material is cooled stably, the cracking defect is reduced, the invalid cooling time loss can be reduced, and the processing efficiency is improved.

In the structure of the device, the furnace body structure of the cooling area is connected with other furnace body structures into a whole, the cooling area is provided with heat dissipation layers on the upper surface and the lower surface, the heat dissipation layers are provided with heat dissipation holes, the heat dissipation efficiency is improved, and compared with passive radiation heat dissipation, cold air is quantitatively input by adopting active air supply and channels, the fluidity in the furnace is improved, the hottest part in the furnace chamber is transferred to the soaking plate through the diversion holes, and the heat is conducted to the heat dissipation layers to improve the heat dissipation.

Furthermore, the furnace chamber on the furnace body is the setting of upper and lower direction and left and right direction all for the layer, the ventiduct is followed the middle part shaping of furnace body and is extended along the clearance between the furnace chamber middle part, and with the furnace chamber switch-on that corresponds when the upper portion or the lower part of furnace chamber, the water conservancy diversion passageway that the furnace chamber extends to soaking layer is through-connection. The ventilation channel supplies air from the middle to the two sides in a separated mode, the air supply paths are basically the same, and the heat dissipation uniformity is better.

Furthermore, the heat equalizing layer is made of heat conducting materials and is paved outside the heat insulating layer, the heat equalizing layer is of a thin structure, and the edge of the heat equalizing layer is wrapped in a refractory material. The soaking layer is only used for heat conduction, so the soaking layer needs to be fixed in a refractory material and plays a role in protection.

Furthermore, the furnace body is provided with the division board at the both ends of cooling zone, and the division board is connected with the actuating lever that downwardly extending set up, and the actuating lever drives the division board and reciprocates, and the minimum edge of division board downstream does not contact with orbital top surface, the insulating layer has all been formed on the both sides of division board. The partition plate partitions the cooling area as required, and the partition plate is partitioned between the sintering trays.

Furthermore, vent holes which are communicated up and down are formed in the sintering tray, the vent holes are uniformly distributed on the surface of the sintering tray, and the hole diameter of each vent hole is smaller than the diameter of the magnetic material. The sintering tray molding ventilation hole improves the ventilation effect, and the magnetic material on the sintering tray is uniformly cooled.

Compared with the prior art, the utility model, have following advantage and effect: the device is a furnace body structure for sintering magnetic material molding, the improved structure is a cooling area for processing a cooling process, the main realized function is to improve the cooling efficiency by improving the cooling structure, and in addition, the active air supply is controlled by improving the active air supply device, so that the cooling speed is controlled, the magnetic material is cooled stably, the cracking defect is reduced, the invalid cooling time loss can be reduced, and the processing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view in the cross-sectional direction of a furnace body.

In the figure: 1. the furnace body, 2, a furnace chamber, 3, a heat preservation layer, 4, a track, 5, a sintering tray, 6, a heat dissipation layer, 7, heat dissipation holes, 8, a ventilation channel, 9, a flow guide channel, 10 and a heat equalization layer.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

A heat dissipation structure of a sintering furnace cooling area comprises a furnace body 1, wherein a plurality of furnace chambers 2 are arranged in the running direction of the furnace body 1, the furnace chambers 2 are isolated from each other and are parallel to each other, the furnace chambers 2 are formed in a heat insulation layer 3 of the furnace body 1 and are built by refractory materials, a track 4 extending in the same direction as the running direction is arranged in each furnace chamber 2, a sintering tray 5 is correspondingly arranged on each track 4 in a moving mode, magnetic materials for sintering processing are placed on the sintering tray 5, heat dissipation layers 6 are arranged at the top and the bottom of the furnace body 1, heat dissipation holes 7 communicating the heat insulation layer 3 with the external environment of the furnace body 1 are arranged on each heat dissipation layer 6, a plurality of heat dissipation holes 7 are uniformly distributed on each heat dissipation layer 6, a ventilation channel 8 is arranged in the heat insulation layer 3 of the furnace body 1, each ventilation channel 8 extends from two sides of the furnace body 1 to the inside, and each ventilation channel 8 extends and, an air inlet machine is arranged at the outer end of the ventilation channel, an electric control air door is connected to the air inlet machine, the ventilation channel is communicated with the inside of the furnace chamber 2, a flow guide channel 9 leading to the heat dissipation layer 6 on the nearest side is arranged on one corresponding side of the furnace chamber 2, a uniform heating layer 10 is further arranged between the heat preservation layer 3 and the heat dissipation layer 6, and heat in the flow guide channel 9 is uniformly distributed on the uniform heating layer 10.

Furnace chamber 2 on the furnace body 1 all is the setting of layer for upper and lower direction and left and right direction, the middle part shaping of furnace body 1 is followed to the ventiduct 8 and is extended along the clearance between the furnace chamber 2 middle part, and with corresponding furnace chamber 2 switch-on when the upper portion or the lower part through furnace chamber 2, the water conservancy diversion passageway 9 that furnace chamber 2 extends to soaking layer 10 is through-connection.

The heat equalizing layer 10 is paved outside the heat insulating layer 3 by adopting a heat conducting material, the heat equalizing layer 10 is of a thin structure, and the edge of the heat equalizing layer is wrapped in a refractory material.

The furnace body 1 is provided with the division board at the both ends of cooling zone, and the division board is connected with the actuating lever that downwardly extending set up, and the actuating lever drives the division board and reciprocates, and the minimum edge of division board downstream does not contact with the top surface of track 4, the insulating layer has all been formed on the both sides of division board.

The sintering tray 5 is provided with vent holes which are communicated up and down, the vent holes are uniformly distributed on the surface of the sintering tray 5, and the aperture of each vent hole is smaller than the diameter of the magnetic material.

It is obvious to a person skilled in the art that the invention is not limited 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, and that the 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a heat radiation structure in fritting furnace cooling zone, includes furnace body (1), its characterized in that: the furnace body (1) is provided with a plurality of furnace chambers (2) in the running direction, the furnace chambers (2) are mutually isolated and arranged and are parallel to each other, the furnace chambers (2) are formed in a heat insulation layer (3) of the furnace body (1) and are built by refractory materials, a track (4) extending along the same direction as the running direction is arranged in the furnace chambers (2), a sintering tray (5) is correspondingly arranged on the track (4) in a moving way, magnetic materials for sintering processing are placed on the sintering tray (5), heat dissipation layers (6) are arranged at the top and the bottom of the furnace body (1), heat dissipation holes (7) communicating the heat insulation layer (3) with the external environment of the furnace body (1) are arranged on the heat dissipation layers (6), a plurality of heat dissipation holes (7) are uniformly distributed on the heat dissipation layers (6), a ventilation channel (8) is arranged in the heat insulation layer (3) of the furnace body (1), and the ventilation channel (8) extends from the two sides of the furnace body (, the ventilation flue (8) extends to the furnace chamber (2) of close one side and communicates, the outer end of ventilation passageway is provided with the air inlet machine, connect automatically controlled air door on the air inlet machine, the inside of ventilation passageway switch-on furnace chamber (2), be provided with water conservancy diversion passageway (9) that lead to heat dissipation layer (6) of nearest one side in the corresponding one side of furnace chamber (2), still be provided with between heat preservation (3) and heat dissipation layer (6) and heat equally distribute layer (10), heat equipartition in water conservancy diversion passageway (9) is to it on water conservancy diversion layer (10).

2. The heat dissipation structure of the sintering furnace cooling zone according to claim 1, characterized in that: furnace chamber (2) on furnace body (1) are all for the setting of layer to upper and lower direction and left and right direction, air channel (8) are followed the middle part shaping of furnace body (1) and are extended along the clearance between furnace chamber (2) middle part, and with corresponding furnace chamber (2) switch-on when the upper portion or the lower part through furnace chamber (2), water conservancy diversion passageway (9) that furnace chamber (2) extend to soaking layer (10) are the through connection.

3. The heat dissipation structure of the sintering furnace cooling zone according to claim 1, characterized in that: the heat-equalizing layer (10) is paved outside the heat-insulating layer (3) by adopting a heat-conducting material, the heat-equalizing layer (10) is of a thin structure, and the edges of the heat-equalizing layer are wrapped in a refractory material.

4. The heat dissipation structure of the sintering furnace cooling zone according to claim 1, characterized in that: the furnace body (1) is provided with the division board at the both ends of cooling down the district, and the division board is connected with the actuating lever that downwardly extending set up, and the actuating lever drives the division board and reciprocates, and the minimum edge of division board downstream does not contact with the top surface of track (4), the insulating layer has all been formed on the two sides of division board.

5. The heat dissipation structure of the sintering furnace cooling zone according to claim 1, characterized in that: the sintering tray (5) is formed with vent holes which are communicated up and down, the vent holes are uniformly distributed on the surface of the sintering tray (5), and the hole diameter of the vent holes is smaller than the diameter of the magnetic material.