CN206974160U - A kind of industrial smelting furnace - Google Patents

Abstract

The utility model discloses a kind of industrial smelting furnace, the smelting furnace includes heater and body of heater, the heater is by heater and is arranged on heater intracavitary and fits in the heat-insulation layer of heater inwall, and it is placed in the endoceliac spiral winding that generates heat and is formed into the coil group coil with more numbers of turn, the heater, which stands upside down, is arranged at the molten bath bottom of body of heater formation, heater partly runs through furnace bath bottom, and heater is adapted through layer with body of heater and is connected, and the open port of heater is down.The utility model is arranged on molten bath bottom by the way that heater is stood upside down, and facilitates the maintenance and maintenance of heater, decreases the area for rejecting heat to air of heater.Meanwhile heater coil is placed on the inner side of heater, for heating surface, to add the heating surface (area) (HS of heater on the outside of heater, improve heat utilization ratio, reduce the waste of resource.

Description

A kind of industrial smelting furnace

Technical field

It the utility model is related to firing equipment field, more particularly to a kind of industrial smelting furnace.

Background technology

Traditional industrial smelting furnace mainly has two kinds：A kind of is to realize the heating liter to smelting furnace using fuel combustion Temperature, one kind are that pot is heated using electric heating tungsten filament.Both existing furnace heats modes, all first pot is carried out Heat temperature raising, then by conduction of heat, using the heat of pot to being melted object heating in pot smelting furnace.It is and existing Electromagnetism smelting furnace generally, heater is upright to be placed among molten bath, because bath temperature is high, once heater at work When producing failure, it is difficult to repair immediately, will typically wait melt temperature to lower, then repaired, and just putting, heater line It is bad to enclose radiating effect.Meanwhile existing heater coil is enclosed on the outside of crucible, fused mass to be placed on inside crucible, due to Crucible outer surface product is more than inner surface and accumulated, and such a mode of heating heated with inner surface, comparatively, heating surface (area) (HS compared with It is small, meanwhile, outer surface is exposed in the environment, and area of dissipation is also big, and thermal loss is very fast, and heat utilization ratio is very low.

Utility model content

In view of this, the utility model proposes a kind of industrial smelting furnace, by the inner side group for placing the coil in heater Into new type heater, handstand is arranged in the molten bath that body of heater is formed, and can improve the utilization rate of heat, while be also convenient for smelting furnace The maintenance and maintenance of heater.

A kind of industrial smelting furnace, smelting furnace include heater and body of heater, and the heater is by heater and is arranged on heating body cavity Heat-insulation layer that is interior and fitting in heater inwall, and the endoceliac spiral winding of heating is placed in into the coil group line with more numbers of turn Circle composition, the heater, which stands upside down, is arranged at the molten bath bottom of body of heater formation, and heater partly runs through furnace bath bottom, generates heat Body is adapted through layer with body of heater and is connected, and the open port of heater is down.

Preferably, the heater also includes fixed demarcation strip, and the fixed demarcation strip is made up of insulating materials, is placed in spiral shell Among the cavity that spin line circle group is formed.

Preferably, the heater heat-insulation layer extends in heater port position open end to vertical direction, covers hair Hot body opens end face, and continues extension and form extension.

Preferably, the body of heater by through bottom middle and lower part be provided be adapted to heater heat-insulation layer extension closely card Groove.

Preferably, the heater is welded and fixed and sealed through layer with body of heater.

Preferably, the heater is integrally formed with body of heater.

Preferably, the melt pool height that the afterbody of the heater is formed towards molten bath and less than body of heater.

Preferably, the molten bath that body of heater is formed is divided into filling pocket and material-output tank by the heating.

Preferably, the heater, which stands upside down, is arranged at the middle in molten bath.

Preferably, in the molten bath, multiple handstand heaters can be set up and heated.

The beneficial effects of the utility model are：The utility model is arranged on molten bath bottom by the way that heater is stood upside down, side Just the maintenance and maintenance of heater, the area for rejecting heat to air of heater is decreased.Meanwhile heater coil is placed on hair The inner side of hot body, coil are produced magnetic field, heated by the form of electromagnetic induction on the outside of heater, so profit by alternating current With the high characteristic of electromagnetic induction power density, with heater outside for heating surface, the heating surface (area) (HS of heater is added, is improved Heat utilization ratio, reduces the waste of resource, while decreases the materials'use of copper pipe electric wire.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the utility model, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is the profile of the front view of heater；

Fig. 2 is the three-dimensional overall diagram of heater；

Fig. 3 is the top view of heater；

Fig. 4 is the profile of the front view of smelting furnace；

Fig. 5 is the profile of the left view of smelting furnace；

Fig. 6 is the top view of smelting furnace；

Fig. 7 is the stereogram of smelting furnace；

Fig. 8 is the top view of another embodiment smelting furnace of smelting furnace.

Reference

The coil interface of 100 heater 14

The heater of 11 coil 15

The heat-insulation layer of 12 coil interface 16

13 fix the extension of demarcation strip 17

The filling pocket of 21 body of heater 22

The weld part of 23 material-output tank 24

The molten bath of 25 neck 26

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made The every other embodiment obtained, belong to the scope of the utility model protection.

It should be appreciated that ought be in this specification and in the appended claims in use, term " comprising " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but it is not precluded from one or more of the other feature, whole Body, step, operation, element, component and/or its presence or addition for gathering.

It will be further appreciated that used in the utility model specification and appended book term " and/ Or " refer to any combinations of one or more of the associated item listed and be possible to combine, and including these groups Close.

With reference to the profile for the front view that Fig. 1 is heater 100, in the heater 15 of tubbiness, one layer of heat preservation is provided with Layer 16, heat-insulation layer 16 is attached at the inwall of heater 15, by snap fit heat-insulation layer 16 can also be made to be fixed on heater 15 In chamber.End is opened in heater 15, heat-insulation layer 16 is extended along open vertical direction, heat-insulation layer 16 is covered hair The hot end face of body 15, the heat that the end face of heater 15 is dispersed into environment can be so reduced, improve the utilization rate of heat.Heat-insulation layer continues Extension forms extension 17, and extension can form the handle of heater 100, when heater 15 and heat-insulation layer 16 are bonded into one When overall, in the case of a high temperature, in that context it may be convenient to heater 100 is taken out, can also be coordinated with miscellaneous part.In heater 15 And in the cavity of heat-insulation layer 16 of semi open model that is formed of heat-insulation layer 16, it has been disposed vertically coil 11, the spiral winding of coil 11 is into tool There is the coil group of more numbers of turn.Fixed demarcation strip 13 is placed among the cavity of spiral winding group formation, the fixed low side of demarcation strip 13 with Heat-insulation layer 16 is fixed, and the slightly smaller than fixed demarcation strip width of coil diameter, when coil is put into, passes through coil clamping fixed to separation On plate 13, so that coil is fixed integral by fixed demarcation strip 13 with heat-insulation layer 16, prevent coil 11 from cavity movement, leading The short circuit of induced coil 11, while when preventing that heater 100 from heating, because heat-insulation layer 16 has very high temperature, and if coil If 11 directly contact, coil 11 may be burnt out.Wherein, heat-insulation layer 16 is it is also assumed that be thermal insulation layer, i.e., by heater 15 Heat separated with coil 11 and environment, prevent heat scatter and disappear and coil 11 damage.In order to which the heat in cavity is discharged, also lead to Increase air-blast device is crossed, air blast is carried out to cavity, convection current is formed, heat is discharged；Meanwhile heater coil is placed on heater Inner side, coil passes through alternating current, produces magnetic field, heated by the form of electromagnetic induction on the outside of heater, so using electric The high characteristic of magnetic induction power density, for heating surface, to add the heating surface (area) (HS of heater on the outside of heater, improve heat Utilization rate, reduces the waste of resource, while decreases the materials'use of copper pipe electric wire.

It is the three-dimensional overall diagram of the embodiment of circular shape heater 100 with reference to Fig. 2 and Fig. 3, Fig. 2, Fig. 3 is circular shape heater 100 The top view of embodiment.The profile of calandria is barrel shape, and coil interface 12,14 connects the high-frequency ac power in the external world, coil 11 be hollow hollow metal tube, generally hollow copper tubing, when the cavity inner temperature of heat-insulation layer 16 of semi open model reaches a constant temperature When spending, higher boiling oil or blower fan either can be set toward through-flow logical water in hollow pipe, by air blast by partial heat band Go out, while cool directly to coil 11, prevent that cavity temperature is too high, copper pipe is melted, cause heater 100 to damage.

During work, coil interface 12,14 is connected with high-frequency ac power, and using electromagnetic induction, heater 15 produces heat, As thermal source.

Wherein, the shape of heater 100 can be square, ellipse, can regard the area of factory, and technique needs to carry out spirit Variation living, coil 11 is also not necessarily intended to use copper pipe, can also substituted with higher temperature line, as long as heater 15 is resistant to elevated temperatures Conductor material, typically there is graphite crucible, graphitic carbonaceous silica crucible is relatively low for fused mass melting temperature, can also casting iron pan. Heat-insulation layer 16 is typically incubated with ceramic fibre material, and can be with one-shot forming.Fixed demarcation strip 13 is resistance to typically with what is insulated High-temperature material.

With reference to Fig. 4,5,6 and Fig. 7, smelting furnace is made up of heater 100 and body of heater 21, and the space that body of heater 21 is formed is molten bath 26, the bottom in molten bath 26 body of heater layer by through formation run through through hole, and runs through in body of heater 21 below in layer and be provided with neck 25, when forming smelting furnace with the assembling of heater 100, heater 100, which stands upside down, to be set, and heater 100 half runs through the molten bath bottom of body of heater 21 Layer, the open port of heater 100 is down.Heater 15 cooperatively forms weld part 24 with body of heater 21 through layer welded seal, Certainly, body of heater 21 can also be integrally formed with heater 15.The extension 17 of heat-insulation layer 16 closely blocks with the neck 25 of body of heater 21 Close, heater 100 is integrally attached in molten bath 26.The open port face of heater 100 is higher than the lowermost end face of body of heater 21, makes heat Amount passes to molten bath as far as possible, reduces thermal loss.

The molten bath that body of heater 21 is formed is divided into filling pocket 22 and material-output tank 23 by heater 100.When smelting furnace needs work, Coil interface 14 connects the high-frequency alternating current in the external world, and the material that will be melted is put into filling pocket 22, after material melts, from going out Material pond removes material 23.

In the course of the work, the problem of failure is typically all heater, so, when heater needs to safeguard or ties up When repairing, heater need to only be operated from furnace bottom, it is not necessary to endure the heat wave on smelting furnace surface.

With reference to Fig. 8, smelting furnace can set two heaters in molten bath.It is of course also possible to set it is multiple, can be according to reality The operating mode on border, increase or the number for reducing heater.

Heater, which stands upside down, is arranged at the middle in molten bath, can also be arranged on molten bath corner.

In embodiment provided herein, it should be understood that disclosed heater can be by another way Realize.For example, heater embodiment described above is only schematical, for example, the division of the material, only one Kind division of logic function, can there is other dividing mode when actually realizing.

The utility model embodiment can be sequentially adjusted, merged and deleted according to actual needs.

This programme is described in detail embodiment, and specific case used herein is to structure of the present utility model Principle and embodiment are set forth, and above example is only intended to help and understands that method and its core of the present utility model are thought Think；Meanwhile for those of ordinary skill in the art, according to thought of the present utility model, in embodiment and using model There will be changes are placed, in summary, this specification content should not be construed as to limitation of the present utility model.

Claims (10)

1. a kind of industrial smelting furnace, it is characterised in that the smelting furnace includes heater and body of heater, and the heater is by heater and sets Put in heater intracavitary and fit in the heat-insulation layer of heater inwall, and be placed in the endoceliac spiral winding of heating into multiturn Several coil group coil compositions, the heater, which stands upside down, is arranged at the molten bath bottom of body of heater formation, and heater partly runs through body of heater Molten bath bottom, heater are adapted sealing with body of heater through layer, and the open port of heater is down.

2. smelting furnace as claimed in claim 1, it is characterised in that the heater also includes fixed demarcation strip, the fixation point Dividing plate is made up of insulating materials, is placed among the cavity of spiral winding group formation.

3. smelting furnace as claimed in claim 1, it is characterised in that the heat-insulation layer is in heater port position open end to vertical Direction extends, and covers heater and opens end face, and continues extension and form extension.

4. smelting furnace as claimed in claim 1, it is characterised in that the body of heater by through bottom middle and lower part be provided with and heater Heat-insulation layer extension is adapted to close neck.

5. smelting furnace as claimed in claim 1, it is characterised in that the heater is welded and fixed and sealed through layer with body of heater.

6. smelting furnace as claimed in claim 1, it is characterised in that the heater is integrally formed with body of heater.

7. smelting furnace as claimed in claim 1, it is characterised in that the afterbody of the heater is formed towards molten bath and less than body of heater Melt pool height.

8. smelting furnace as claimed in claim 1, it is characterised in that the molten bath that body of heater is formed is divided into filling pocket by the heater And material-output tank.

9. smelting furnace as claimed in claim 1, it is characterised in that the heater, which stands upside down, is arranged at the middle in molten bath.

10. smelting furnace as claimed in claim 1, it is characterised in that in the molten bath, multiple handstand heaters can be set up and added Heat.