CN207159324U - A kind of rotary gas foam device - Google Patents

Abstract

It the utility model is related to a kind of rotary gas foam device, including foaming storehouse and the drive component being fixedly installed on above the foaming storehouse, also include aluminium liquid efferent duct and gas output tube, the aluminium liquid efferent duct vertically rotates the top for being arranged at the foaming storehouse, its inside is hollow and setting, and multiple fluid holes by opening up thereon are connected with the inside in the foaming storehouse；The gas output tube is sealedly and fixedly connected through the aluminium liquid efferent duct and with its axial both ends of the surface, and one end of the gas output tube is fixedly connected with the drive component, and other end is set for closing, and gas spout is offered above the end face；Aluminium liquid is carried out by High voltage output by high-pressure foam gas, then broken up through gas curtain, aluminium liquid repeatedly fully contacts with foamed gas, realizes the gas foaming of aluminium liquid, solves the problems, such as that foaming present in prior art is uneven.

Description

A kind of rotary gas foam device

Technical field

It the utility model is related to foaming aluminum production equipment technology, more particularly to a kind of rotary gas foam device.

Background technology

Because aluminium density is low, rigidity is high, corrosion-resistant and processing forming is good so that the application of aluminium continues to increase.This Kind of trend is in auto industry, and household electrical appliance and building industry are particularly evident, in these fields to complex shape and more high-strength The aluminium of degree has huge demand；At present, foamed aluminium is being prepared using foam melt method, its general principle is that certain foams Agent is added in the aluminium or aluminium alloy of melting, and foaming agent decomposes at high temperature, is discharged gas, is stranded in melt, shape after solidification Into foam metal.Between the foamed aluminium hole that this method is produced independently of each other, it can be used as sound-absorbing padded coaming, but its shortcoming is gas Pore size distribution lack of homogeneity, operating difficulties, production are uncontrollable.

A kind of foaming aluminum holding furnace hopper disclosed in Chinese utility model patent Application No. 201520070669.8 passes Dynamic and agitating device, including gateway roller-way steel construction, gateway guide roller group, siege steel construction, gateway fire door and transmission Device, siege fire resistant heat preserving lining, thermocouple temperature measuring apparatus, heating element heater, roller track group, foaming groove, agitator, venting, Chain wheel rotation device, transmission mechanism, siege expansion gear and siege.The utility model one side furnace bottom roller group lifts with sprocket wheel Device, foaming groove is supported using furnace bottom refractory brick, foaming aluminum liquid stream enters in the groove that foams after completing to foam, and hereafter furnace bottom roller group arrives Working position runs well, and another warmed-up foaming groove runs to foaming station, waits to be foamed, ensure that the continuous of foaming work Property；On the other hand, rotated at a high speed using chain wheel rotation device impeller in agitator, complete stirring for foaming agent and aluminium liquid Mix, the abundant foaming and bubble that ensure that foaming agent are uniformly distributed in aluminium liquid.

Foaming uses high speed Stirring in such scheme, realizes the stirring of foaming agent and aluminium liquid, foaming agent is at high temperature Decompose, discharge gas, bubble is formed in melt, Stirring drives melt, and then forms centrifugal force, and melt is in agitator wall Pressure is formed, reduces air bubble content in melt, while bubble moves upwards because the pressure in melt is different, therefore prior art In foamed melt middle and upper part bubble occupation rate be much larger than bottom, cause bubble portion uneven.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, aluminium liquid to be carried out into height by high-pressure foam gas Pressure output, aluminium liquid are then passed through gas curtain, and aluminium liquid carries out the injection of foamed gas high pressure and fully contact, realizes the uniform hair of aluminium liquid Bubble, solve the problems, such as that foaming present in prior art is uneven.

A kind of rotary gas foam device, including foaming storehouse and the driving group that is fixedly installed on above the foaming storehouse Part, in addition to：

Aluminium liquid efferent duct, the aluminium liquid efferent duct vertically rotates the top for being arranged at the foaming storehouse, inside it To be hollow and set, and it is connected by opening up multiple fluid holes thereon with the inside for foaming storehouse；

Gas output tube；The gas output tube fixes company through the aluminium liquid efferent duct and with its axial both ends of the surface sealing Connect, one end of the gas output tube is fixedly connected with the drive component, and other end is set for closing, the top of the end face Offer gas spout；

Multiple gas compression mouths compression of the foamed gas through opening up thereon inside gas output tube is in aluminium liquid Aluminium liquid inside efferent duct, sprays through fluid hole, forms liquid flow line, and drive component drives gas output tube to rotate, liquid flow The gas curtain formed by gas spout ejection gas is wandered and passed through to line in the shape of a spiral.

Further, the fluid hole is positioned at the inside in the foaming storehouse.

Further, baffle plate that is opening down and being set in umbrella shape is provided with the outer circumference surface of the aluminium liquid efferent duct, Baffle plate gas buffer area formed below；Utility model people thinks that the baffle plate can be outer circumference surface of the continuous type around aluminium liquid efferent duct Upper setting, interim it can also set, baffle plate setting is in the top of fluid hole.

Further, the fluid hole is corresponded with the gas compression mouth and set.

Further, outer circumference surface array arrangement of the fluid hole along the aluminium liquid efferent duct, and vertically set It is equipped with multigroup fluid hole.

Further, the baffle plate is vertically between neighbouring two fluid holes, and from top to down in cone Shape is arranged.

Further, aluminium liquid is sprayed by the fluid hole and slid along in the baffle-panels, square under its outer circumference surface Into aluminium liquid heavy curtain.

Further, in addition to respectively rotary seal coordinates the be installed on the aluminium liquid efferent duct and gas output tube One reducing sleeve and the second reducing sleeve, first reducing sleeve and the second reducing sleeve are respectively positioned at the foaming storehouse and aluminium liquid efferent duct Top.

Further, first reducing sleeve and the second reducing sleeve lead to the aluminium liquid efferent duct and gas output tube respectively The first transfer hole is crossed with the second transfer hole to be connected.

Further, the blast pipe being connected with inside it, the top of the blast pipe are offered at the top of the foaming storehouse Exhaust outlet is offered on outer circumference surface, the foamed gas inside foaming storehouse promote be flexibly set in the air bleeding valve on its top to On be moved to vent position, the inside in storehouse of foaming passes through exhaust outlet and is vented with ft connection pressure release.

The beneficial effects of the utility model：

(1) gas output tube passes through aluminium liquid efferent duct in the utility model, and high-pressure foam gas will through gas compression mouth Aluminium liquid sprays along fluid hole, carries out the preliminary gases at high pressure foaming of aluminium liquid, and the liquid flow line that aluminium liquid is formed through fluid hole fell Gas curtain is passed through in journey, during liquid flow line passes through gas curtain, gas curtain carries out aluminium liquid impact, is formed scattered Aluminium liquid liquid, aluminium liquid and the contact area of foamed gas are improved, complete the gas foaming of aluminium liquid；

(2) multiple baffle plates, and baffle plate tapered setting from top to bottom are vertically provided with the utility model, on The attaching space unit of aluminium liquid and foamed gas is formed between lower adjacent screen, formation junior unit aluminium liquid connects with junior unit gas Fusion is touched, improves the bubbling efficiency of aluminium liquid, the aluminium liquid streamline flow above baffle plate falls within and wandered on baffle plate along its surface in addition, extends The time of contact of aluminium liquid and foamed gas, for aluminium liquid along baffle plate circumferential periphery along wandering, the aluminium liquid chain for forming annular passes through gas Heavy curtain, aluminium liquid and the contact area of foamed gas are further increased, promote the uniform in foaming degree of aluminium liquid；

(3) inside in foaming storehouse is confined space in the utility model, and its top, which is provided with, limits its internal pressure Air bleeding valve, when its internal pressure is more than the elastic force on air bleeding valve, air bleeding valve is moved upward to exhaust outlet, carries out pressure release, pressure release Afterwards, air bleeding valve moves down, seal foaming storehouse, remains inside hair time foaming storehouse containing sufficient foamed gas, while its Inside has certain pressure, is advantageous to the foaming of aluminium liquid, while ensure the foaming adequacy of aluminium liquid；

In summary, the utility model is simple in construction, and the foaming effect of aluminium liquid is good, and frothing percentage is high, solves traditional foaming During foaming inequality the problems such as.

Brief description of the drawings

It is required in being described below to embodiment for the technical scheme of clearer explanation the utility model embodiment The accompanying drawing used is briefly described, it should be apparent that, drawings discussed below is only some embodiments of the utility model, For one of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is the utility model overall structure fragmentary view；

Fig. 2 is the utility model elevational cross-sectional view；

Fig. 3 is enlarged diagram at A in Fig. 2；

Fig. 4 is aluminium liquid efferent duct structural representation；

Fig. 5 is enlarged diagram inside foaming storehouse；

Fig. 6 is enlarged diagram at B in Fig. 2；

Fig. 7 is blast pipe sectional view；

Fig. 8 is relief valve exhaust condition schematic diagram.

Embodiment

The technical scheme in the embodiment of the utility model is clearly and completely illustrated below in conjunction with the accompanying drawings.

Embodiment one

As shown in Figure 1,2 and 3, a kind of rotary gas foam device, including foaming storehouse 1, be fixedly installed on the foaming storehouse 1 Drive component 2, aluminium liquid efferent duct 3 and the gas output tube 4 of top, the aluminium liquid efferent duct 3 vertically rotate setting In the top in the foaming storehouse 1, its inside is hollow and setting, and by opening up multiple fluid holes 31 and the hair thereon The inside in bubble storehouse 1 is connected；The gas output tube 4 is fixed through the aluminium liquid efferent duct 3 and with its axial both ends of the surface sealing Connection, one end of the gas output tube 4 are fixedly connected with the drive component 2, and other end is set for closing, the end face Top offers gas spout 41；Foamed gas inside gas output tube 4 are through opening up multiple gas compressions thereon Aluminium liquid of the compression of mouth 42 inside aluminium liquid efferent duct 3, sprays through fluid hole 31, forms liquid flow line 32, drive component 2 drives Gas output tube 4 rotates, and liquid flow line 32 is wandered and sprays the gas that gas formed through by gas spout 41 in the shape of a spiral Heavy curtain 43.

Embodiment two

Utility model people thinks, preferably to implement the technical scheme, it is necessary to further clear and definite embodiment, therefore Utility model people is carried out the description of example two on the basis of embodiment one.

As shown in Figure 1,2 and 3, a kind of rotary gas foam device, including foaming storehouse 1 and it is fixedly installed on the foaming The drive component 2 of the top of storehouse 1, in addition to：

Aluminium liquid efferent duct 3, the aluminium liquid efferent duct 3 vertically rotates the top for being arranged at the foaming storehouse 1, in it Portion is hollow and setting, and multiple fluid holes 31 by opening up thereon are connected with the inside in the foaming storehouse 1；In aluminium Aluminium liquid inside liquid efferent duct 3 sprays along fluid hole 31 forms liquid flow line 32 with its surrounding, the parabolically shape of liquid flow line 32 Through gas curtain 43, the multiple gas foaming of aluminium liquid is completed；

Gas output tube 4；The gas output tube 4 is through the aluminium liquid efferent duct 3 and solid with its axial both ends of the surface sealing Fixed connection, one end of the gas output tube 4 are fixedly connected with the drive component 2, and other end is set for closing, the end face Top offer gas spout 41；Gas output tube 4 is coaxially disposed with aluminium liquid efferent duct 3, and height is contained in the inside of gas output tube 4 Calm the anger body, while it sprays aluminium liquid high pressure, with forming horizontal plane shape gas curtain 43 through gas spout 41 below；

It is defeated that multiple gas compression mouths 42 compression of the foamed gas through opening up thereon inside gas output tube 4 is in aluminium liquid Aluminium liquid inside outlet pipe 3, sprayed through fluid hole 31, form liquid flow line 32, drive component 2 drives gas output tube 4 to rotate, liquid Body streamline 32 is wandered and sprays the gas curtain 43 that gas formed through by gas spout 41 in the shape of a spiral, in the course of work, Liquid flow line 32 is wandered in the shape of a spiral, and it is different from each Contact position of gas curtain 43, is avoided between aluminium liquid Interfere and influence contact effect of the aluminium liquid with foamed gas.

It should be noted that as shown in Figures 2 and 3, gas output tube 4 passes through aluminium liquid efferent duct 3, and high-pressure foam gas is through gas Body compression port 42 sprays aluminium liquid along fluid hole 31, carries out the first gases at high pressure foaming of aluminium liquid, the dropping process of liquid flow line 32 In pass through gas curtain 43, liquid flow line 32 pass through gas curtain 43 during, gas curtain 43 is carried out to liquid flow line 32 Impact, aluminium liquid form the aluminium liquid of diverging, improve aluminium liquid and the contact area of foamed gas, while improve aluminium liquid frothing percentage.

Further, as shown in Fig. 2 the fluid hole 31 is located at the inside in the foaming storehouse 1, after foamed dose of foaming Aluminium liquid carries out gas foaming, and its foaming process is in the inside in foaming storehouse 1, and it is sealing space that it is internal.

Further, as shown in Figures 3 and 4, it is provided with opening down on the outer circumference surface of the aluminium liquid efferent duct 3 and is in umbrella The baffle plate 33 that shape is set, the baffle plate 33 gas buffer area 34 formed below；Its is upward through the outlet of gas spout 41 for foamed gas Motion, the structure of baffle plate 33 form the concave shaped space of top seal, and more foamed gas are contained in its inside, and aluminium liquid edge is in it Internal fluid hole 31 sprays, and is contacted with the foamed gas in gas buffer area 34, is advantageous to the foaming of aluminium liquid.

Further, as shown in Figures 2 and 3, the baffle plate 33 vertically positioned at neighbouring two fluid holes 31 it Between, and tapered arrangement from top to down；Aluminium liquid falls shape in a ring along baffle plate 33 and passes through gas curtain 43.

It should be noted that as shown in Fig. 2 be vertically provided with multiple baffle plates 33, and baffle plate 33 is in from top to bottom Taper is set, and the attaching space unit of aluminium liquid and foamed gas is formed between neighbouring baffle plate 33, formed junior unit aluminium liquid with The contact fusion of junior unit gas, the bubbling efficiency of aluminium liquid is improved, the aluminium liquid streamline flow of the top of baffle plate 33 falls within baffle plate 33 in addition On wandered along its surface, extend the time of contact of aluminium liquid and foamed gas, aluminium liquid is formed along the circumferential periphery of baffle plate 33 along wandering The aluminium liquid chain of annular passes through gas curtain, further increases aluminium liquid and the contact area of foamed gas, promotes the foaming of aluminium liquid The uniformity.

Further, as shown in figure 3, the fluid hole 31 corresponds setting, high pressure with the gas compression mouth 42 Bubble gas compresses aluminium liquid through gas compression mouth 43 and discharged along fluid hole 31, and its export direction is consistent, beneficial to the strong discharge of aluminium liquid.

Further, as shown in figure 5, outer circumference surface array arrangement of the fluid hole 31 along the aluminium liquid efferent duct 3, and Vertically it is provided with multigroup fluid hole 31；Fluid hole 31 from top to down arrange by circumference array, due to its high and low position relation, So as to the liquid flow line of the ejection of fluid hole 31 of each level height, its shape is different, dry between aluminium liquid streamline so as to avoid Relate to.

Further, as shown in figure 5, aluminium liquid is sprayed by the fluid hole 31 is slid along the face of baffle plate 33, in outside it The aluminium liquid heavy curtain 331 formed below of periphery, multiple fluid holes 31 spray aluminium liquids on baffle plate 33, and are wandered along it, between formation Disconnected property fluid, in rotation process, aluminium liquid heavy curtain 331 is thrown away aluminium liquid efferent duct 3 by centrifugal action in drop-wise, improve aluminium liquid with Foamed gas contact effect.

Further, the aluminium liquid efferent duct 3 and gas are installed on as shown in fig. 6, also including rotary seal respectively and coordinating The first reducing sleeve 5 and the second reducing sleeve 6 on efferent duct 4, the reducing sleeve 6 of the first reducing sleeve 5 and second are located at the hair respectively Steep storehouse 1 and the top of aluminium liquid efferent duct 3.

Further, as shown in fig. 6, the reducing sleeve 6 of first reducing sleeve 5 and second respectively with the aluminium liquid efferent duct 3 It is connected with gas output tube 4 by the first transfer hole 51 with the second transfer hole 61；First reducing sleeve 5 and the second reducing sleeve 6 divide It is not rotatablely connected with aluminium liquid efferent duct 3 and the sealing of gas output tube 4.

Further, should as shown in fig. 7, the top in the foaming storehouse 1 offers the blast pipe 11 being connected with inside it Exhaust outlet 12 is offered on the top outer circumference surface of blast pipe 11, the foamed gas inside foaming storehouse 1 promote elasticity to set Air bleeding valve 13 in its top is moved upward to the position of exhaust outlet 12, and the inside in foaming storehouse 1 passes through exhaust outlet 12 and ft connection Pressure release is vented.

It should be noted that as shown in FIG. 7 and 8, the inside in foaming storehouse 1 is confined space, its top, which is provided with, limits it The air bleeding valve 13 of internal pressure, when its internal pressure is more than the elastic force on air bleeding valve 13, air bleeding valve 13 is moved upward to exhaust Mouthful, progress pressure release, after pressure release, air bleeding valve 13 moves down, seal foaming storehouse 1, remains to contain inside hair time foaming storehouse and fills The foamed gas of foot, while its inside has certain pressure, is advantageous to the foaming of aluminium liquid, while ensure that the foaming of aluminium liquid is abundant Property.

In the utility model, it is to be understood that：Term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just In description the utility model and simplify description, rather than indicate or imply signified equipment or the specific side that element must have Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or implying relative important Property or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ", the feature of " second " can be expressed or Person implicitly includes one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than individual, unless otherwise specifically defined.

It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, the change that any one skilled in the art can readily occur under technical clarification of the present utility model Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with right The protection domain of claim is defined.

Claims (10)

1. a kind of rotary gas foam device, including the driving foamed storehouse (1) and be fixedly installed on above the foaming storehouse (1) Component (2), it is characterised in that also include：

Aluminium liquid efferent duct (3), the aluminium liquid efferent duct (3) vertically rotate the top for being arranged at foaming storehouse (1), its Inside is hollow and setting, and multiple fluid holes (31) by opening up thereon are connected with the inside of foaming storehouse (1)；

Gas output tube (4)；The gas output tube (4) seals through the aluminium liquid efferent duct (3) and with its axial both ends of the surface It is fixedly connected, one end of the gas output tube (4) is fixedly connected with the drive component (2), and other end is set for closing, Gas spout (41) is offered above the end face；

It is defeated that multiple gas compression mouths (42) compression of the internal foamed gas of gas output tube (4) through opening up thereon is in aluminium liquid The internal aluminium liquid of outlet pipe (3), sprays through fluid hole (31), forms liquid flow line (32), and drive component (2) drives gas output tube (4) rotate, the gas curtain formed by gas spout (41) ejection gas is wandered and passed through to liquid flow line (32) in the shape of a spiral (43)。

2. a kind of rotary gas foam device according to claim 1, it is characterised in that the fluid hole (31) is located at The inside of foaming storehouse (1).

A kind of 3. rotary gas foam device according to claim 1, it is characterised in that the aluminium liquid efferent duct (3) Outer circumference surface on be provided with it is opening down and in umbrella shape set baffle plate (33), baffle plate (33) the gas buffer area formed below (34)。

4. a kind of rotary gas foam device according to claim 1, it is characterised in that the fluid hole (31) and institute State gas compression mouth (42) and correspond setting.

5. a kind of rotary gas foam device according to claim 1, it is characterised in that the fluid hole (31) is along institute The outer circumference surface array arrangement of aluminium liquid efferent duct (3) is stated, and is vertically provided with multigroup fluid hole (31).

6. a kind of rotary gas foam device according to claim 3, it is characterised in that the baffle plate (33) is along vertical Direction is between neighbouring two fluid holes (31), and tapered arrangement from top to down.

7. a kind of rotary gas foam device according to claim 3, it is characterised in that aluminium liquid is through the fluid hole (31) spray and slid along the baffle plate (33) face, in the aluminium liquid heavy curtain (331) formed below of its outer circumference surface.

8. a kind of rotary gas foam device according to any one of claims 1 to 7, it is characterised in that also include difference Rotary seal coordinates the first reducing sleeve (5) being installed on the aluminium liquid efferent duct (3) and gas output tube (4) and the second switching Cover (6), first reducing sleeve (5) and the second reducing sleeve (6) respectively positioned at it is described foam storehouse (1) and aluminium liquid efferent duct (3) it is upper Side.

A kind of 9. rotary gas foam device according to claim 8, it is characterised in that first reducing sleeve (5) Pass through the first transfer hole (51) and second with the aluminium liquid efferent duct (3) and gas output tube (4) respectively with the second reducing sleeve (6) Transfer hole (61) is connected.

A kind of 10. rotary gas foam device according to any one of claims 1 to 7, it is characterised in that the foaming storehouse (1) blast pipe (11) being connected with inside it is offered at the top of, is offered on the top outer circumference surface of the blast pipe (11) Exhaust outlet (12), foamed gas internal in foaming storehouse (1), which promote, is flexibly set in the air bleeding valve (13) on its top to moving up Move to exhaust outlet (12) position, the inside of foaming storehouse (1) passes through exhaust outlet (12) and ft connection pressure release is vented.