CN208269645U - A kind of circular arc die bed aluminium melting furnace - Google Patents

Abstract

The utility model discloses a kind of circular arc die bed aluminium melting furnaces, it includes circular arc die bed furnace body, the fire door that the furnace body rear and front end is arranged in and combustor mouth, the molten aluminum filtering port of furnace body side and the chimney with upper of furnace body is arranged in, lower portion of furnace body in molten aluminum filtering port side is equipped with bearing and bearing support assembly, furnace body in the opposite side of molten aluminum filtering port is externally connected to hydraulic dumping device and support sliding rail, and the hydraulic dumping device includes hydraulic station and hydraulic cylinder.The utility model structure is simple, easy to operate, promotes slag hitting efficiency, improves the service life of aluminium melting furnace.

Description

A kind of circular arc die bed aluminium melting furnace

Technical field

The utility model relates to production of aluminum powder fields, more particularly to a kind of circular arc die bed aluminium melting furnace.

Background technique

Aluminium ingot fusing is production of aluminum powder important procedure, and aluminium ingot is put into furnace by fire door, melts aluminium ingot using diesel heating, It is poured into holding furnace by tilting device through filtering port after aluminium ingot fusing, the flue gas generated in fusion process is discharged by chimney； And always using rectangular aluminium melting furnace aluminum melting in existing production technology, rectangular aluminium melting furnace shape is square, and is inside burner hearth Rectangular right-angle structure, design capacity are about 1.8T.Because combustion space is smaller, slag hitting dead angle is relatively more, and combustion space is smaller Thus when throwing aluminium, aluminium block easily strikes furnace wall, it is impaired to cause structure in the stove, while being also unfavorable for recycling in combustion gas furnace, It is secondary since aluminium melting furnace shape is square, exist and be more easier to deform in the case of a high temperature and cause stove service life shorter etc. Problem.

Utility model content

The utility model in view of the above shortcomings of the prior art, provides that a kind of shape is circular arc die bed, inside is elongated The aluminium melting furnace of polygon inner-cavity structure, can effective overcome the deficiencies in the prior art, realize faster and better aluminum melting, promotion beat Slag efficiency, and improve the service life of aluminium melting furnace.

It is as follows that the utility model solves technical solution provided by above-mentioned technical problem:

A kind of circular arc die bed aluminium melting furnace a comprising bottom is arc-shaped furnace body, and the front end of furnace body is equipped with for throwing The fire door for putting aluminium ingot is equipped with combustor mouth, in the furnace body two side walls relative to fire door or combustor mouth in the rear end of furnace body A side wall be equipped with the molten aluminum filtering port of pouring out liquid aluminium, in another side wall (opposed with said one side wall) of furnace body On be connected with and promote furnace body so that the hydraulic dumping device that molten aluminum is poured out from molten aluminum filtering port, be in same with hydraulic dumping device It is equipped with below the bottom of furnace body arc surface of side when hydraulic dumping device promotes auxiliary circle arc furnace bottom edge when furnace body topples over molten aluminum Its upward sliding and the support sliding rail that plays a supportive role, the bottom of furnace body in molten aluminum filtering port side is connected with to be rotated for furnace body The bearing and bearing support assembly toppled over, the bearing and bearing support assembly, support sliding rail, hydraulic dumping device are arranged at On metal structure pedestal, chimney is equipped at the top of furnace body.

Further, the furnace body inner cavity chamber that inboard wall of furnace body, chimney, fire door, combustor mouth and molten aluminum filtering port are collectively formed For burner hearth, burner hearth longitudinal direction sectional plane is the rectangle for being wherein rescinded angle close to the bottom of fire door side, so that investment fire door Aluminium ingot enter in burner hearth along a slope, elongate structure can make flue gas heat in furnace circulation time extend, make heat utilization Rate is higher.

Further, fire door protrudes between the end of burner hearth and burner hearth bottom surface as an inclined slope surface, slope surface and vertical The angle in direction is 40-65 degree, preferably 60 degree.To generate fierce shock when preventing and launching and expect and then damage aluminium melting furnace.

Further, combustor mouth is beveled, with burner hearth baseplane at 20-30 degree angle, preferably 23 degree of angles, So as to make flame direct projection on aluminium ingot surface, and then heating aluminium ingot melts it faster.

Further, lower portion of furnace body furnace shell be the refractory insulating layer with fire resistant heat preserving effect, refractory insulating layer from outside to It inside successively uses to be combined by asbestos, castable, insulating layer, flame retardant coating and constitute, refractory insulating layer is with a thickness of 350-500mm, preferably About 400mm.

Further, the curvature of the support sliding rail is consistent with the curvature of the bottom circular arc supported.

Further, the hydraulic dumping device includes hydraulic station and hydraulic cylinder.

Further, furnace body outer surface is equipped with the groove profile reinforcing rib for reinforcing furnace body, improves the resistance to deformation of aluminium melting furnace Ability.

Further, the pedestal is iron structure.

The utility model structure is simple, easy to operate, can effective overcome the deficiencies in the prior art, improve production efficiency, subtract Little waste reduces production cost.

Detailed description of the invention

Fig. 1 is the elongated circular arc die bed aluminium melting furnace shape assumption diagram of the utility model.

Fig. 2 is the internal structure chart of the elongated circular arc die bed aluminium melting furnace of the utility model.

Description of symbols:

Chimney 1, fire door 2, combustor mouth 3, molten aluminum filtering port 4, refractory insulating layer 5, reinforcing rib 6, bearing and bearing support Device 7, support sliding rail 8, hydraulic dumping device 9, pedestal 10.

Specific embodiment

The utility model is further illustrated with reference to the accompanying drawing, it should be understood, however, that the following description is exemplary , indicate that the front end of positional relationship, rear end are not constitute on the basis of the positional relationship in attached drawing to any of the utility model Limitation.

As shown in Figure 1, a kind of circular arc die bed aluminium melting furnace of the utility model comprising a bottom is arc-shaped furnace Body, the front end of furnace body are equipped with the fire door 2 for launching aluminium ingot, be equipped with combustor mouth 3 in the rear end of furnace body, relative to fire door or A side wall in the furnace body two side walls of combustor mouth is equipped with the molten aluminum filtering port 4 for pouring out liquid aluminium, in the another of furnace body It is connected with and promotes furnace body so that the hydraulic dumping device 9 that molten aluminum is poured out from molten aluminum filtering port, fills with hydraulic dumping in one side wall It sets and is equipped with below the 9 bottom of furnace body arc surfaces in the same side when hydraulic dumping device 9 promotes auxiliary circle when furnace body topples over molten aluminum Along its upward sliding and the support sliding rail 8 that plays a supportive role, the bottom of furnace body in molten aluminum pour spout side connects arc furnace bottom There are the bearing and bearing support assembly 7 for furnace body rotary dumping, the bearing and bearing support assembly 7 support sliding rail 9, are hydraulic Tilting device is arranged on metal structure pedestal 10, and chimney 1 is equipped at the top of furnace body.

The furnace body inner cavity chamber that inboard wall of furnace body, chimney 1, fire door 2, combustor mouth 3 and molten aluminum filtering port 4 are collectively formed is furnace Thorax, burner hearth longitudinal direction sectional plane are the rectangle for being wherein rescinded angle close to the bottom of fire door side.

Fire door protrudes between the end of burner hearth and burner hearth bottom surface as an inclined slope surface, the angle of slope surface and vertical direction For 40-65 degree, preferably 60 degree.

Combustor mouth is beveled, with burner hearth baseplane at 20-30 degree angle, preferably 23 degree of angles.

Lower portion of furnace body furnace shell is the refractory insulating layer with fire resistant heat preserving effect, and refractory insulating layer successively uses from outside to inside It is combined and is constituted by asbestos, castable, insulating layer, flame retardant coating, refractory insulating layer is with a thickness of 350-500mm, preferably from about 400mm.

The curvature of the support sliding rail 8 is consistent with the curvature of the bottom circular arc supported.

The hydraulic dumping device 9 includes hydraulic station and hydraulic cylinder.

Furnace body outer surface is equipped with the groove profile reinforcing rib 6 for reinforcing furnace body.

The pedestal is iron structure.

In one embodiment, fire door protrudes into the folder of slope surface and vertical direction between the end of burner hearth and burner hearth bottom surface Angle is 60 degree, and refractory insulating layer is with a thickness of 400mm, and combustor mouth and burner hearth baseplane are at 23 degree of angles.

In use, aluminium ingot is entered from the dispensing of fire door 2, since the fire door 2 protrudes into the end inside burner hearth and burner hearth bottom surface Between for an inclined slope surface design, therefore when aluminium ingot launches material, will not clash inboard wall of burner hearth and damage aluminium melting furnace, fire The beveled of burning machine mouth 3 and burner hearth baseplane form 23 degree of angles, and flame direct projection can be made on aluminium ingot surface, heat aluminium ingot, Make aluminium ingot fusing faster, improve efficiency, reduces energy consumption, and the burner hearth that longitudinal section is rescinded angle rectangular configuration can make flue gas heat It is discharged again from chimney 1 after recycling the longer time inside burner hearth, so that the thermal efficiency is further increased, the aluminium that will finally melt Liquid is poured out from molten aluminum pour spout 4, when toppling over, under the action of hydraulic dumping device 9, is slowly lifted furnace body side and with bearing Support device 7 is as movable rotation fulcrum and then makes tilting furnace until molten aluminum is flowed out from molten aluminum pour spout 4, due to furnace body bottom Portion under the action of supporting sliding rail 8 molten aluminum can topple over more thorough, to reduce furnace using circular arc the design of base Thorax slag hitting difficulty, can be such that combustion space is held essentially constant, prolong the service life after long-time service, meanwhile, in burner hearth inside and outside Whole lacing wire is reinforced, and non-deformability enhancing further extends stove service life.

Claims (9)

1. a kind of circular arc die bed aluminium melting furnace, it is characterised in that: it includes that a bottom is arc-shaped furnace body, and the front end of furnace body is set There is the fire door for launching aluminium ingot, is equipped with combustor mouth, in the furnace body two relative to fire door or combustor mouth in the rear end of furnace body A side wall in a side wall is equipped with the molten aluminum filtering port for pouring out liquid aluminium, is connected on another side wall of furnace body by furnace Body is promoted so that the hydraulic dumping device that molten aluminum is poured out from molten aluminum filtering port, the furnace body bottom of the same side is in hydraulic dumping device It is equipped with below portion arc surface when hydraulic dumping device promotes when furnace body topples over molten aluminum auxiliary circle arc furnace bottom along its upward sliding And the support sliding rail to play a supportive role, the bottom of furnace body in molten aluminum filtering port side be connected with for furnace body rotary dumping bearing and Bearing support assembly, the bearing and bearing support assembly, support sliding rail, hydraulic dumping device are arranged at metal structure pedestal On, chimney is equipped at the top of furnace body.

2. aluminium melting furnace according to claim 1, it is characterised in that: inboard wall of furnace body, chimney, fire door, combustor mouth and molten aluminum The furnace body inner cavity chamber that filtering port is collectively formed is burner hearth, and burner hearth longitudinal direction sectional plane is that the bottom wherein close to fire door side is The rectangle of rescinded angle.

3. aluminium melting furnace according to claim 2, it is characterised in that: fire door, which protrudes between the end of burner hearth and burner hearth bottom surface, is The angle of one inclined slope surface, slope surface and vertical direction is 40-65 degree.

4. aluminium melting furnace according to claim 3, it is characterised in that: combustor mouth is beveled, with burner hearth baseplane At 20-30 degree angle.

5. aluminium melting furnace described in any one of -4 according to claim 1, it is characterised in that: lower portion of furnace body furnace shell is to protect with fire resisting The refractory insulating layer of temperature effect, refractory insulating layer successively use combined by asbestos, castable, insulating layer, flame retardant coating from outside to inside It constitutes, refractory insulating layer is with a thickness of 350-500mm.

6. aluminium melting furnace described in any one of -4 according to claim 1, it is characterised in that: it is described support sliding rail curvature with propped up The curvature of the bottom circular arc of support is consistent.

7. aluminium melting furnace described in any one of -4 according to claim 1, it is characterised in that: the hydraulic dumping device includes liquid Pressure station and hydraulic cylinder.

8. aluminium melting furnace described in any one of -4 according to claim 1, it is characterised in that: the furnace body outer surface is equipped with and is used for Reinforce the groove profile reinforcing rib of furnace body.

9. aluminium melting furnace described in any one of -4 according to claim 1, it is characterised in that: the pedestal is iron structure.