阅读说明：本技术 一种炉前铝渣的处理设备及方法 (Treatment equipment and method for furnace-front aluminum slag ) 是由 曾虎 许洁 曹建丽 裴丹丹 张新 王海森 邓奎 蒋魏 樊亚强 于 2020-05-26 设计创作，主要内容包括：一种炉前铝渣的处理设备及方法,包含底座；底座安装在地面,底座两侧分别设有一铝液收集座,铝液收集座的顶部面设有渣箱,渣箱的底部面设有出液孔；底座内设有旋转组件,旋转组件包含限位轴承,限位轴承设为两个,且两限位轴承分别位于底座的内底面和内顶面,旋转轴的尾端与下方的限位轴承对应连接,旋转轴的轴身与旋转电机对应连接,且旋转电机与底座对应连接；旋转轴的头端与上方的限位轴承过盈配合,贯穿于底座后与旋转座固定连接,旋转座的顶部面设有升降组件；升降组件设为两个,其中一升降组件用于驱动复合搅拌组件升降,另一用于驱动冷却组件升降,本设备能够有效对铝渣和金属熔体进行分离,并且还具有操作简单、占地空间小的优点。(A treatment device and a method for furnace-front aluminum slag comprise a base; the base is arranged on the ground, two sides of the base are respectively provided with an aluminum liquid collecting seat, the top surface of the aluminum liquid collecting seat is provided with a slag box, and the bottom surface of the slag box is provided with a liquid outlet hole; a rotating assembly is arranged in the base and comprises two limiting bearings, the two limiting bearings are respectively positioned on the inner bottom surface and the inner top surface of the base, the tail end of the rotating shaft is correspondingly connected with the limiting bearing below, the shaft body of the rotating shaft is correspondingly connected with a rotating motor, and the rotating motor is correspondingly connected with the base; the head end of the rotating shaft is in interference fit with the limiting bearing above the rotating shaft, penetrates through the base and is fixedly connected with the rotating seat, and the top surface of the rotating seat is provided with a lifting assembly; lifting unit sets up to two, and one of them lifting unit is used for the compound stirring subassembly of drive to go up and down, and another is used for driving cooling module to go up and down, and this equipment can effectively separate aluminium sediment and metal melt to still have easy operation, take up an area of the little advantage in space.)

1. A treatment facility of stokehole aluminium sediment, characterized by: comprises a base (1), an aluminum liquid collecting seat (2), a slag box (3), a rotating component (4), a lifting component (5), a composite stirring component (6), a cooling component (7) and a control system; the base (1) is arranged on the ground, the ground on the two sides of the base (1) is respectively and symmetrically provided with an aluminum liquid collecting seat (2), the top surface of the aluminum liquid collecting seat (2) is provided with a slag box (3), and the bottom surface of the slag box (3) is provided with a liquid outlet hole (3.1) for the outflow of metal melt; the rotary component (4) is arranged in the base (1), the rotary component (4) comprises two limiting bearings (4.1), a rotary shaft (4.2), a variable-frequency speed-reducing motor (4.5) and a rotary base (4.6), the two limiting bearings (4.1) are respectively positioned on the inner bottom surface and the inner top surface of the base (1), the tail end of the rotary shaft (4.2) is correspondingly and fixedly matched and connected with the limiting bearings (4.1) arranged on the inner bottom surface of the base (1), the shaft body of the rotary shaft (4.2) is correspondingly and drivingly connected with the driving end of the variable-frequency speed-reducing motor (4.5) through a chain (4.3) and a chain wheel (4.4), and the variable-frequency speed-reducing motor (4.5) is correspondingly arranged on the inner side surface of the base (1); the head end of the rotating shaft (4.2) is in interference fit with a limiting bearing (4.1) arranged on the inner top surface of the base (1) and then correspondingly penetrates through the top surface of the base (1), the head end of the rotating shaft (4.2) positioned outside the base (1) is correspondingly and fixedly connected with the bottom surface of the rotating seat (4.6), and the top surface of the rotating seat (4.6) is provided with a lifting assembly (5);

the lifting assembly (5) comprises a slideway (5.1), a sliding frame (5.2), a lifting cylinder (5.3) and a lifting beam (5.4); the slideway (5.1) is vertically arranged on the top surface of the rotating seat (4.6), and the slideway (5.1) is internally provided with a sliding frame (5.2) in a sliding way; the bottom surface of the sliding frame (5.2) is correspondingly connected with the telescopic end of the lifting cylinder (5.3), and the lifting cylinder (5.3) is correspondingly arranged on the top surface of the rotating seat (4.6); the sliding frame (5.2) is correspondingly connected with one end of the lifting cross beam (5.4), and the other end of the lifting cross beam (5.4) is correspondingly connected with the composite stirring component (6) or the cooling component (7); the two lifting assemblies (5) are arranged, the first lifting assembly drives the composite stirring assembly (6) for stirring and separating the aluminum slag in front of the furnace to lift, the second lifting assembly drives the cooling assembly (7) for cooling the separated aluminum slag to lift, and the stirring mechanism of the composite stirring assembly (6) and the cooling mechanism of the cooling assembly (7) correspond to the box opening of the slag box (3) respectively; the rotating assembly (4), the lifting assembly (5), the composite stirring assembly (6) and the cooling assembly (7) are all automatically controlled through a control system in a control box (8), and the control box is correspondingly installed on the outer side face of the base (1).

2. The apparatus for treating stokehole aluminum dross of claim 1, wherein: the use method of the device comprises the following steps:

the method comprises the following steps: a plug is arranged at a liquid outlet hole (3.1) of the slag box (3), 2/3 aluminum slag is filled into the slag box (3), the slag box (3) is installed on an aluminum liquid collecting seat (2) corresponding to the composite stirring assembly (6), and the second lifting assembly is started to drive the cooling assembly (7) to ascend to the highest position;

step two: the control system controls the first lifting assembly to drive the composite stirring assembly (6) to fall into the slag box (3), and then the stirring mechanism carries out primary stirring and separation treatment on the aluminum slag in the slag box (3) for 3-5 min;

step three: the control system controls the first lifting assembly to drive the composite stirring assembly (6) to continuously fall until the stirring mechanism ejects the plug out of the liquid outlet hole (3.1), then the stirring mechanism is started to stir and separate the aluminum slag in the slag box (3) for the second time, when the liquid outlet hole (3.1) does not flow out of the aluminum liquid any more, the stirring mechanism is stopped, then the first lifting assembly is started to drive the composite stirring assembly (6) to ascend, and a new slag box (3) filled with the aluminum slag is arranged at the top of the aluminum liquid collecting seat (2) corresponding to the cooling assembly (7);

step four: the control system controls a rotating shaft (4.2) in the rotating assembly (4) to rotate forward 180 degrees, so that the positions of the composite stirring assembly (6) and the cooling assembly (7) are correspondingly rotated and replaced, and then the first lifting assembly and the composite stirring assembly (6) repeat the second step and the third step; meanwhile, the second lifting assembly drives the cooling assembly (7) to fall until the cooling mechanism is correspondingly abutted against the tank opening of the slag tank (3), and then the cooling mechanism is started to cool the slag tank (3);

step five: when the liquid outlet hole (3.1) of the slag box (3) corresponding to the composite stirring assembly (6) does not flow out of the aluminum liquid any more and the temperature of the slag box (3) corresponding to the cooling assembly (7) is less than 50 ℃, stopping the operation of the stirring mechanism and the cooling mechanism, driving the corresponding assembly to ascend by the first lifting assembly and the second lifting assembly, conveying the cooled slag box (3) and the cooled aluminum liquid collecting seat (2) to the next process, and placing a new slag box (3) and a new aluminum liquid collecting seat (2);

step six: the control system controls the rotating shaft (4.2) of the rotating assembly (4) to rotate reversely by 180 degrees, so that the positions of the composite stirring assembly (6) and the cooling assembly (7) are reset, and the corresponding slag box (3) is stirred, separated, cooled and cooled;

step seven: and repeating the third step to the fifth step to realize automatic continuous treatment of the aluminium slag in front of the furnace.

3. The apparatus for treating stokehole aluminum dross of claim 1, wherein: the outer edge surface of roating seat (4.6) is equipped with stopper (4.6.1) corresponding with compound stirring subassembly (6), and the outer top surface of base (1) is equipped with two limit switch (1.1), and two limit switch (1.1) correspond with a sediment case (3) respectively.

4. The apparatus for treating stokehole aluminum dross of claim 1, wherein: the composite stirring assembly (6) comprises a connecting mechanism and a stirring mechanism, wherein the connecting mechanism comprises a stirring motor (6.1), a stirring shaft (6.4) and a protective cover (6.5); the stirring motor (6.1) is installed on the top face of the corresponding lifting cross beam (5.4), the driving end of the stirring motor (6.1) is in corresponding transmission connection with the head end of the stirring shaft (6.4) through a belt (6.2) and a belt pulley (6.3), the shaft body of the stirring shaft (6.4) is fixedly connected with the corresponding lifting cross beam (5.4), the shaft body at the tail end of the stirring shaft (6.4) is provided with an arc-shaped protecting cover (6.5) capable of covering the tank opening of the slag tank (3), the cover face of the arc-shaped protecting cover (6.5) is provided with a plurality of ultrasonic transmitting devices (6.6) capable of transmitting ultrasonic waves into the slag tank (3), the inner cover face of the arc-shaped protecting cover (6.5) is provided with a heat insulating layer (9), and the tail end of the stirring shaft (6.4) is in corresponding; the stirring mechanism comprises a stirring knife (6.7) and a thimble (6.9), the head end of the stirring knife (6.7) is fixedly connected with the tail end of the stirring shaft (6.4) correspondingly, and the tail end of the stirring knife (6.7) is provided with the thimble (6.9) corresponding to the liquid outlet hole (3.1) at the bottom of the slag box (3).

5. The apparatus for treating stokehole aluminum dross of claim 2, wherein: when the stirring mechanism is used for carrying out first and second stirring separation treatment on the slag box (3) in the second or third step, the stirring shaft (6.4) is driven to rotate by the stirring motor (6.1), the stirring blade (6.7) is driven to rotate by the stirring shaft (6.4) to achieve the purpose of physical stirring, and the stirring time can be shortened to 1-2min by matching with ultrasonic waves emitted by the ultrasonic emission device (6.6);

the stirring motor (6.1) is installed on the top face of the corresponding lifting cross beam (5.4), the driving end of the stirring motor (6.1) is in corresponding transmission connection with the head end of the stirring shaft (6.4) through a belt (6.2) and a belt pulley (6.3), the shaft body of the stirring shaft (6.4) is fixedly connected with the corresponding lifting cross beam (5.4), the shaft body at the tail end of the stirring shaft (6.4) is provided with an arc-shaped protecting cover (6.5) capable of covering the tank opening of the slag tank (3), the cover face of the arc-shaped protecting cover (6.5) is provided with a plurality of ultrasonic transmitting devices (6.6) capable of transmitting ultrasonic waves into the slag tank (3), the inner cover face of the arc-shaped protecting cover (6.5) is provided with a heat insulating layer (9), and the tail end of the stirring shaft (6.4) is in corresponding; the stirring mechanism comprises a stirring knife (6.7) and a thimble (6.9), the head end of the stirring knife (6.7) is fixedly connected with the tail end of the stirring shaft (6.4) correspondingly, and the tail end of the stirring knife (6.7) is provided with the thimble (6.9) corresponding to the liquid outlet hole (3.1) at the bottom of the slag box (3).

6. The apparatus for treating stokehole aluminum dross of claim 2, wherein: in the third step, the stirring mechanism ejects out the plug at the liquid outlet hole (3.1) through the thimble (6.9), the stirring mechanism is provided with a stirring knife (6.7), and one end of the stirring knife (6.7) corresponding to the liquid outlet hole (3.1) is provided with the thimble (6.9).

7. The apparatus for treating stokehole aluminum dross of claim 4, wherein: the cover surface of the arc-shaped protecting cover (6.5) is provided with a feeding pipe (6.9) for inputting cold aluminum ash into the slag box (3) in a penetrating way.

8. The apparatus for treating stokehole aluminum dross of claim 5, wherein: after the stirring mechanism stops working in the third step, injecting cold aluminum ash into the slag box (3) through the material injection pipe (6.9), and then starting the stirring mechanism to stir for 3-4 min; the discharge hole of the material injection pipe (6.9) correspondingly penetrates through the arc-shaped protecting cover (6.5) and then correspondingly faces the inside of the slag box (3).

9. The apparatus for treating stokehole aluminum dross of claim 5, wherein: the cooling assembly (7) comprises a cooling mechanism and a connecting mechanism, and the cooling mechanism comprises a slag box cover (7.1) and an atomizing nozzle (7.3); the slag box cover (7.1) is correspondingly positioned at a box opening of the slag box (3), the slag box cover (7.1) is integrally designed into a hollow structure, a heat insulation layer (9) is arranged on the inner cover surface of the slag box cover (7.1), a sealing strip (7.2) which is correspondingly abutted against the box opening edge of the slag box (3) is arranged on the edge of the inner cover surface, a plurality of atomizing nozzles (7.3) which are correspondingly communicated with the hollow cavity are arranged on the inner side wall of the slag box cover (7.1), the atomizing nozzles (7.3) correspond to the outer wall surface of the slag box (3), and the top surface of the slag box cover (7.1) is correspondingly and fixedly connected with a connecting mechanism of the cooling component (7); coupling mechanism contains cooling tube (7.4) and vacuum pump (7.5), the head end and the external cooling device of cooling tube (7.4) correspond and are connected, the pipe shaft and the lifting beam (5.4) fixed connection that correspond of cooling tube (7.4), the enclosing cover face that flange and sediment case lid (7.1) were passed through to the tail end of cooling tube (7.4) corresponds fixed connection, and this tail end corresponds the intercommunication with the well cavity of sediment case lid (7.1), the top face at lifting beam (5.4) is installed in vacuum pump (7.5), and the pipe of managing to find time of vacuum pump (7.5) corresponds to communicate with sediment case (3) after correspondingly running through sediment case lid (7.1), and the play mouth of cigarette of vacuum pump (7.5) corresponds with outside dust pelletizing system and is connected.

10. The apparatus for treating stokehole aluminum dross of claim 2, wherein: when the cooling mechanism performs cooling treatment in the fourth step, firstly, the inside of the slag box is changed into a vacuum state through a vacuum pump (7.5), then, a cooling medium is introduced into the slag box cover (7.1) through a cooling pipe (7.4), and the cooling medium is sprayed to the outer surface of the slag box (3) through an atomizing nozzle (7.3), so that the cooling treatment is completed;

the cooling assembly (7) comprises a cooling mechanism and a connecting mechanism, and the cooling mechanism comprises a slag box cover (7.1) and an atomizing nozzle (7.3); the slag box cover (7.1) is correspondingly positioned at a box opening of the slag box (3), the slag box cover (7.1) is integrally designed into a hollow structure, a heat insulation layer (9) is arranged on the inner cover surface of the slag box cover (7.1), a sealing strip (7.2) which is correspondingly abutted against the box opening edge of the slag box (3) is arranged on the edge of the inner cover surface, a plurality of atomizing nozzles (7.3) which are correspondingly communicated with the hollow cavity are arranged on the inner side wall of the slag box cover (7.1), the atomizing nozzles (7.3) correspond to the outer wall surface of the slag box (3), and the top surface of the slag box cover (7.1) is correspondingly and fixedly connected with a connecting mechanism of the cooling component (7); coupling mechanism contains cooling tube (7.4) and vacuum pump (7.5), the head end and the external cooling device of cooling tube (7.4) correspond and are connected, the pipe shaft and the lifting beam (5.4) fixed connection that correspond of cooling tube (7.4), the enclosing cover face that flange and sediment case lid (7.1) were passed through to the tail end of cooling tube (7.4) corresponds fixed connection, and this tail end corresponds the intercommunication with the well cavity of sediment case lid (7.1), the top face at lifting beam (5.4) is installed in vacuum pump (7.5), and the pipe of managing to find time of vacuum pump (7.5) corresponds to communicate with sediment case (3) after correspondingly running through sediment case lid (7.1), and the play mouth of cigarette of vacuum pump (7.5) corresponds with outside dust pelletizing system and is connected.

Technical Field

The invention relates to the technical field of aluminum slag treatment, in particular to equipment and a method for treating stokehole aluminum slag.

Background

It is known that, during the smelting process, a part of aluminum slag is generated, and the aluminum slag mainly consists of metal and non-metal impurities, and the heat quantity of the aluminum slag is high, but a certain amount of metal melt is mixed in the aluminum slag before the furnace, the metal melt is dispersed in the aluminum slag in a granular form and adhered to the aluminum slag, and the aluminum content of the metal melt is about 40-70% of the aluminum slag content, if the aluminum slag and the metal melt are not treated, a large amount of aluminum liquid is lost, so that the cost of aluminum smelting is increased; the traditional aluminum slag treatment equipment is an ash frying machine, although the ash frying machine can realize the separation of aluminum slag and metal melt, the ash frying machine has a relatively low separation speed on the aluminum slag and the metal melt, and the metal melt in the high-temperature aluminum slag can be continuously burnt, so that the metal melt in the aluminum slag still has great loss, thereby causing the cost of aluminum smelting to be relatively high;

chinese patent (CN 201910075265.6) discloses an aluminum slag recovery device and an aluminum slag recovery process, wherein aluminum slag in a slag pressing box is squeezed through a pressing plate, so that aluminum liquid in the aluminum slag is extruded out and flows into an aluminum liquid collecting box, the aluminum liquid in the aluminum liquid collecting box flows back to a smelting furnace for continuous use, the residual aluminum slag in the slag pressing box is conveyed into a heating furnace through a conveying device for heating, the heated aluminum slag is put into a centrifugal machine for separating the aluminum liquid from the aluminum slag, the separated aluminum liquid also flows back to the smelting furnace, and the residual aluminum slag is subjected to innocent treatment at the moment; therefore, in summary, there is a need in the market for an apparatus that can effectively separate aluminum dross from molten metal, and that is simple to operate and occupies a small space.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses equipment and a method for treating furnace front aluminum slag.

In order to achieve the purpose, the invention adopts the following technical scheme:

a treatment device for furnace-front aluminum slag comprises a base, an aluminum liquid collecting seat, a slag box, a rotating assembly, a lifting assembly, a composite stirring assembly, a cooling assembly and a control system; the base is arranged on the ground, the ground on the two sides of the base is respectively and symmetrically provided with an aluminum liquid collecting seat, the top surface of the aluminum liquid collecting seat is provided with a slag box, and the bottom surface of the slag box is provided with a liquid outlet hole for the outflow of metal melt; the base is internally provided with a rotating assembly, the rotating assembly comprises two limiting bearings, a rotating shaft, a variable-frequency speed reducing motor and a rotating seat, the two limiting bearings are respectively positioned on the inner bottom surface and the inner top surface of the base, the tail end of the rotating shaft is correspondingly and fixedly matched and connected with the limiting bearings arranged on the inner bottom surface of the base, the shaft body of the rotating shaft is correspondingly and drivingly connected with the driving end of the variable-frequency speed reducing motor through a chain and a chain wheel, and the variable-frequency speed reducing motor is correspondingly arranged on the inner side surface of the base; the head end of the rotating shaft is in interference fit with a limiting bearing arranged on the inner top surface of the base and then correspondingly penetrates through the top surface of the base, the head end of the rotating shaft positioned outside the base is correspondingly and fixedly connected with the bottom surface of the rotating seat, and the top surface of the rotating seat is provided with a lifting assembly;

the lifting assembly comprises a slide way, a sliding frame, a lifting cylinder and a lifting beam; the slideway is vertically arranged on the top surface of the rotating seat, and a sliding frame is arranged in the slideway in a sliding manner; the bottom surface of the sliding frame is correspondingly connected with the telescopic end of the lifting cylinder, and the lifting cylinder is correspondingly arranged on the top surface of the rotating seat; the sliding frame is correspondingly connected with one end of the lifting cross beam, and the other end of the lifting cross beam is correspondingly connected with the composite stirring assembly or the cooling assembly; the two lifting assemblies are arranged, the first lifting assembly drives the composite stirring assembly for stirring and separating the aluminum slag in front of the furnace to lift, the second lifting assembly drives the cooling assembly for cooling the separated aluminum slag to lift, and the stirring mechanism of the composite stirring assembly and the cooling mechanism of the cooling assembly correspond to a tank opening of a slag tank respectively; the rotating assembly, the lifting assembly, the composite stirring assembly and the cooling assembly are automatically controlled by a control system in a control box, and the control box is correspondingly arranged on the outer side surface of the base;

a method for treating furnace front aluminum slag comprises the following steps: arranging a plug at a liquid outlet of the slag box, then filling 2/3 aluminum slag into the slag box, then installing the slag box on an aluminum liquid collecting seat corresponding to the composite stirring assembly, and starting a second lifting assembly to drive the cooling assembly to lift to the highest position;

step two: the control system controls the first lifting assembly to drive the composite stirring assembly to fall into the slag box, and then the stirring mechanism carries out primary stirring separation treatment on the aluminum slag in the slag box for 4-5 min;

step three: the control system controls the first lifting assembly to drive the composite stirring assembly to continuously fall until the stirring mechanism pushes the plug out of the liquid outlet hole, then the stirring mechanism is started to perform secondary stirring separation on the aluminum slag in the slag box, when the liquid outlet hole does not flow out of the aluminum liquid, the stirring mechanism is stopped, then the first lifting assembly is started to drive the composite stirring assembly to ascend, and a new slag box filled with the aluminum slag is arranged at the top of the aluminum liquid collecting seat corresponding to the cooling assembly;

step four: the control system controls a rotating shaft in the rotating assembly to rotate forwards for 180 degrees, so that the positions of the composite stirring assembly and the cooling assembly are correspondingly rotated and replaced, and then the first lifting assembly and the composite stirring assembly repeat the second step and the third step; meanwhile, the second lifting assembly drives the cooling assembly to fall until the cooling mechanism is correspondingly abutted against the tank opening of the slag tank, and then the cooling mechanism is started to cool the slag tank;

step five: when the liquid outlet hole of the slag box corresponding to the composite stirring assembly does not flow out of the aluminum liquid any more and the temperature of the slag box corresponding to the cooling assembly is less than 50 ℃, stopping the operation of the stirring mechanism and the cooling mechanism, driving the corresponding assembly to ascend by the first lifting assembly and the second lifting assembly, conveying the cooled slag box and the cooled aluminum liquid collecting seat to the next process, and placing a new slag box and a new aluminum liquid collecting seat;

step six: the control system controls the rotating shaft of the rotating assembly to rotate reversely by 180 degrees, so that the positions of the composite stirring assembly and the cooling assembly are reset, and the corresponding slag box is stirred, separated, cooled and cooled;

step seven: repeating the third step to the fifth step to realize automatic continuous treatment of the aluminium slag in front of the furnace;

preferably, the outer edge surface of the rotating seat is provided with a limiting block corresponding to the composite stirring assembly, the outer top surface of the base is provided with two limiting switches, and the two limiting switches respectively correspond to a slag box;

preferably, the composite stirring assembly comprises a connecting mechanism and a stirring mechanism, wherein the connecting mechanism comprises a stirring motor, a stirring shaft and a protective cover; the stirring motor is arranged on the top surface of the corresponding lifting cross beam, the driving end of the stirring motor is in corresponding transmission connection with the head end of the stirring shaft through a belt and a belt pulley, the shaft body of the stirring shaft is fixedly connected with the corresponding lifting cross beam, the shaft body at the tail end of the stirring shaft is provided with an arc-shaped protecting cover capable of covering the opening of the slag box, the cover surface of the arc-shaped protecting cover is provided with a plurality of ultrasonic emission devices capable of emitting ultrasonic waves into the slag box, the inner cover surface of the arc-shaped protecting cover is provided with a heat insulation layer, and the tail end of the stirring shaft; the stirring mechanism comprises a stirring knife and a thimble, the head end of the stirring knife is correspondingly and fixedly connected with the tail end of the stirring shaft, and the tail end of the stirring knife is provided with the thimble corresponding to the liquid outlet hole at the bottom of the slag box;

preferably, when the stirring mechanism is used for carrying out the first or second stirring separation treatment on the slag box in the second or third step, the stirring shaft is driven to rotate by the stirring motor, and then the stirring shaft drives the stirring knife to rotate so as to achieve the purpose of physical stirring, and the stirring time can be shortened to 1-2min by matching with the ultrasonic wave emitted by the ultrasonic emission device;

the stirring motor is arranged on the top surface of the corresponding lifting cross beam, the driving end of the stirring motor is in corresponding transmission connection with the head end of the stirring shaft through a belt and a belt pulley, the shaft body of the stirring shaft is fixedly connected with the corresponding lifting cross beam, the shaft body at the tail end of the stirring shaft is provided with an arc-shaped protecting cover capable of covering the opening of the slag box, the cover surface of the arc-shaped protecting cover is provided with a plurality of ultrasonic emission devices capable of emitting ultrasonic waves into the slag box, the inner cover surface of the arc-shaped protecting cover is provided with a heat insulation layer, and the tail end of the stirring shaft; the stirring mechanism comprises a stirring knife and a thimble, the head end of the stirring knife is correspondingly and fixedly connected with the tail end of the stirring shaft, and the tail end of the stirring knife is provided with the thimble corresponding to the liquid outlet hole at the bottom of the slag box;

preferably, in the third step, the stirring mechanism ejects the plug at the liquid outlet through the ejector pin, the stirring mechanism is provided with a stirring knife, and the end of the stirring knife corresponding to the liquid outlet is provided with the ejector pin.

Preferably, a feeding pipe for feeding cold aluminum ash into the slag box penetrates through the cover surface of the arc-shaped protecting cover;

preferably, after the stirring mechanism stops working in the third step, cold aluminum ash is injected into the slag box through the material injection pipe, and then the stirring mechanism is started to stir for 2-3 min; the discharge hole of the material injection pipe correspondingly penetrates through the arc-shaped protecting cover and then correspondingly faces the inside of the slag box;

preferably, the cooling assembly comprises a cooling mechanism and a connecting mechanism, and the cooling mechanism comprises a slag box cover and an atomizing nozzle; the slag box cover is correspondingly positioned at the box opening of the slag box, the slag box cover is integrally designed into a hollow structure, the inner cover surface of the slag box cover is provided with a heat insulation layer, the edge of the inner cover surface is provided with a sealing strip which is correspondingly abutted against the edge of the box opening of the slag box, the inner side wall of the slag box cover is provided with a plurality of atomizing nozzles which are correspondingly communicated with the hollow cavity, the atomizing nozzles correspond to the outer wall surface of the slag box, and the top surface of the slag box cover is correspondingly and fixedly connected with the connecting mechanism of the cooling assembly; the connecting mechanism comprises a cooling pipe and a vacuum pump, the head end of the cooling pipe is correspondingly connected with an external cooling device, the pipe body of the cooling pipe is fixedly connected with a corresponding lifting cross beam, the tail end of the cooling pipe is correspondingly and fixedly connected with the outer cover surface of the slag box cover through a flange, the tail end of the cooling pipe is correspondingly communicated with the hollow cavity of the slag box cover, the vacuum pump is arranged on the top surface of the lifting cross beam, an evacuation pipe of the vacuum pump correspondingly penetrates through the slag box cover and then is correspondingly communicated with the slag box, and a smoke outlet of the vacuum pump is correspondingly connected with an external dust removal system;

preferably, when the cooling mechanism performs cooling treatment in the fourth step, the inside of the slag box is changed into a vacuum state through the vacuum pump, then a cooling medium is introduced into the slag box cover through the cooling pipe, and the cooling medium is sprayed to the outer surface of the slag box through the atomizing nozzle, so that the cooling treatment is completed;

the cooling assembly comprises a cooling mechanism and a connecting mechanism, and the cooling mechanism comprises a slag box cover and an atomizing nozzle; the slag box cover is correspondingly positioned at the box opening of the slag box, the slag box cover is integrally designed into a hollow structure, the inner cover surface of the slag box cover is provided with a heat insulation layer, the edge of the inner cover surface is provided with a sealing strip which is correspondingly abutted against the edge of the box opening of the slag box, the inner side wall of the slag box cover is provided with a plurality of atomizing nozzles which are correspondingly communicated with the hollow cavity, the atomizing nozzles correspond to the outer wall surface of the slag box, and the top surface of the slag box cover is correspondingly and fixedly connected with the connecting mechanism of the cooling assembly; the connecting mechanism comprises a cooling pipe and a vacuum pump, the head end of the cooling pipe is correspondingly connected with an external cooling device, the pipe body of the cooling pipe is fixedly connected with a corresponding lifting cross beam, the tail end of the cooling pipe is correspondingly and fixedly connected with the outer cover surface of the slag box cover through a flange, the tail end of the cooling pipe is correspondingly communicated with the hollow cavity of the slag box cover, and the vacuum pump is arranged on the top surface of the lifting cross beam. The evacuation pipe of the vacuum pump correspondingly penetrates through the slag box cover and then is correspondingly communicated with the slag box, and the smoke outlet of the vacuum pump is correspondingly connected with an external dust removal system.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

according to the equipment and the method for treating the aluminium slag in front of the furnace, the composite stirring assembly and the cooling assembly can be used for simultaneously stirring or cooling two slag boxes, then the positions of the composite stirring assembly and the cooling assembly can be adjusted through the rotating assembly and the lifting assembly, so that the cooling assembly can cool the separated aluminium slag, and the cooled aluminium liquid collecting seat and the slag boxes are conveyed to corresponding procedures, then a new aluminium liquid collecting seat and the slag boxes containing the aluminium slag in front of the furnace are placed, and finally the composite stirring assembly is used for stirring and separating the aluminium slag, so that the equipment can efficiently separate and cool the aluminium slag, and the equipment can continuously treat the aluminium slag in front of the furnace, embodies the automation degree of the equipment, and improves the treatment efficiency of the aluminium slag in front of the furnace;

in addition, ultrasonic waves can be emitted into the slag box through an ultrasonic wave generating device arranged in the composite stirring assembly, so that the aluminum slag and the metal melt in the aluminum slag in front of the furnace can be separated more rapidly and thoroughly, the metal melt in the aluminum slag can be separated rapidly by matching with the stirring of the stirring knife, and the metal melt flows into the aluminum liquid collecting seat along a liquid outlet hole at the bottom of the slag box; because the temperature of stokehole aluminium sediment is higher, consequently when the aluminium liquid is no longer flowed out to the sediment case, through pouring into cold aluminium ash to the aluminium sediment, then stir the sword and stir a period again, can let the aluminium sediment temperature in the sediment case descend fast, can prevent to take out of occasionally when promoting compound stirring subassembly this moment and cause harm to the construction environment.

Drawings

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

FIG. 2 is a schematic structural view of the lifting assembly;

FIG. 3 is a schematic structural view of a composite stirring assembly

Fig. 4 is a schematic structural view of the cooling module.

In the figure: 1. a base; 1.1, a limit switch; 2. an aluminum liquid collecting seat; 3. a slag box; 3.1, liquid outlet holes; 4. a rotating assembly; 4.1, limiting a bearing; 4.2, a rotating shaft; 4.3, a chain; 4.4, a chain wheel; 4.5, a variable-frequency speed reducing motor; 4.6, a rotating seat; 4.6.1, a limiting block; 5. a lifting assembly; 5.1, a slideway; 5.2, a sliding frame; 5.3, a lifting cylinder; 5.4, lifting the cross beam; 6. a composite stirring component; 6.1, a stirring motor; 6.2, a belt; 6.3, a belt pulley; 6.4, a stirring shaft; 6.5, arc-shaped protecting covers; 6.6, an ultrasonic transmitting device; 6.7, a stirring blade; 6.9, a thimble; 6.9, a material injection pipe; 7. a cooling assembly; 7.1, a slag box cover; 7.2, sealing strips; 7.3, an atomizing nozzle; 7.4, cooling pipes; 7.5, a vacuum pump; 8. a control box; 9. an insulating layer.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

The equipment and the method for treating the furnace front aluminum slag are described by combining the attached drawings 1-4, and comprise a base 1, an aluminum liquid collecting base 2, a slag box 3, a rotating assembly 4, a lifting assembly 5, a composite stirring assembly 6 and a cooling assembly 7; the base 1 is arranged on the ground, and particularly, the heat insulation layer 9 is arranged on the outer wall surface of the base 1, so that the heat insulation performance of the base 1 can be improved, and the high-temperature aluminum slag in the slag box 3 and the high-temperature aluminum liquid in the aluminum liquid collecting seat 2 are prevented from damaging the base 1 and a rotating mechanism in the base 1; an aluminum liquid collecting seat 2 is respectively arranged on the ground on the two sides of the base 1, a slag box 3 is arranged on the top surface of the aluminum liquid collecting seat 2, a liquid outlet hole 3.1 for metal melt to flow out is arranged on the bottom surface of the slag box 3, before the slag box 3 is stirred and separated, the liquid outlet hole 3.1 of the slag box 3 is firstly blocked by a plug, and then about two thirds of aluminum slag in front of the furnace is filled into the slag box 3;

the rotary component 4 is arranged in the base 1, the rotary component 4 comprises two limit bearings 4.1, a rotary shaft 4.2, a variable-frequency speed-reducing motor 4.5 and a rotary seat 4.6, the two limit bearings 4.1 are respectively positioned on the inner bottom surface and the inner top surface of the base 1, the rotary shaft 4.2 can be fixed in the base 1 through the two limit bearings 4.1, the rotation of the rotary shaft 4.2 can not be influenced, the tail end of the rotary shaft 4.2 is correspondingly and fixedly matched and connected with the limit bearing 4.1 arranged on the inner bottom surface of the base 1, a shaft body of the rotary shaft 4.2 is correspondingly and fixedly matched and connected with a driving end of the variable-frequency speed-reducing motor 4.5 through a chain 4.3 and a chain wheel 4.4, and the variable-frequency speed-reducing motor 4.5 and the rotary shaft 4.2 can be more conveniently disassembled and assembled through the chain 4.2 and the chain; the variable-frequency speed reducing motor 4.5 is correspondingly arranged on the inner side surface of the base 1, and can control the rotating shaft 4.2 to rotate forwards or backwards and enable the rotating shaft 4.2 to be started or stopped more smoothly, so that the rotating shaft 4.2 is driven by the variable-frequency speed reducing motor 4.5 to rotate forwards or backwards by 180 degrees, and the mutual replacement of the positions of the composite stirring assembly 6 and the cooling assembly 7 can be realized;

according to the requirement, the outer edge surface of the rotating seat 4.6 is provided with a limit block 4.6.1, the outer top surface of the base 1 is provided with a limit switch 1.1 for detecting the position of the limit block 4.6.1, when the rotating shafts 4 and 2 rotate forwards or backwards, whether the limit block 4.6.1 exceeds the limit range can be judged through the limit switch 1.1, if the limit block 4.6.1 exceeds the limit range, the rotating shaft 4.2 stops rotating immediately, if the limit block 4.6.1 does not exceed the limit range, the rotating shaft 4.2 continues to rotate to the working position, namely the composite stirring assembly 6 or the cooling assembly 7 finishes position replacement, so that the two assemblies respectively carry out stirring separation or cooling operation on the corresponding slag box 3; after the head end of the rotating shaft 4.2 is in interference fit with a limiting bearing 4.1 arranged on the inner top surface of the base 1, the head end of the rotating shaft 4.2 correspondingly penetrates through the inner top surface of the base 1, the head end surface of the rotating shaft 4.2 is correspondingly and fixedly connected with the bottom surface of the rotating base 4.6, and the top surface of the rotating base 4.6 is provided with a lifting assembly 5;

the lifting assembly 5 comprises a slideway 5.1, a sliding frame 5.2, a lifting cylinder 5.3 and a lifting beam 5.4; the slideway 5.1 is vertically arranged on the top surface of the rotating seat 4.6, the sliding frame 5.2 is arranged in the slideway 5.1 in a sliding way, and the sliding frame 5.2 moves on the slideway 5.1 through a pulley; the bottom surface of the sliding frame 5.2 is correspondingly connected with the telescopic end of the lifting cylinder 5.3, the lifting cylinder 5.3 is correspondingly arranged on the top surface of the rotating seat 4.6, the sliding frame 5.2 can be driven to move up and down along the slide way 5.1 through the lifting cylinder 5.3, and the lifting cylinder 5.3 is set as an electric cylinder, a hydraulic cylinder or an air cylinder; the sliding frame 5.2 is correspondingly connected with one end of the lifting beam 5.4, the other end of the lifting beam 5.4 is correspondingly connected with the composite stirring component 6 or the cooling component 7, when the rotating component 4 rotates, the sliding way 5.1 and the lifting cylinder 5.3 correspondingly rotate, so that the sliding frame 5.2 and the lifting beam 5.4 are driven to rotate, and finally the purpose of driving the composite stirring component 6 and the cooling component 7 to lift is achieved;

the number of the lifting assemblies 5 is two, wherein the first lifting assembly drives the composite stirring assembly 6 for stirring and separating the aluminium slag in front of the furnace to lift, and the composite stirring assembly 6 comprises a connecting mechanism and a stirring mechanism according to needs, wherein the connecting mechanism comprises a stirring motor 6.1, a stirring shaft 6.4 and a protective cover 6.5; the stirring motor 6.1 is arranged on the top surface corresponding to the lifting beam 5.4, the driving end of the stirring motor 6.1 is in transmission connection with the head end of the stirring shaft 6.4 through a belt 6.2 and a belt pulley 6.3, the transmission between the stirring motor 6.1 and the stirring shaft 6.4 is more stable through the belt transmission mode, particularly, the stirring motor 6.1 is set as a variable frequency motor, so that the stirring speed of the stirring mechanism becomes controllable, the shaft body of the stirring shaft 6.4 is fixedly connected with the corresponding lifting beam 5.4, the position of the stirring shaft 6.4 is fixed through a limit bearing 4.1, the rotation of the stirring shaft 6.4 cannot be influenced, the lifting beam 5.4 can drive the stirring shaft 6.4 to lift during the lifting operation, namely, the whole composite stirring assembly 6 is driven to lift, the tail end shaft body of the stirring shaft 6.4 is provided with an arc-shaped protective cover 6.5 capable of covering the opening of the slag box 3, when the composite stirring assembly 6 is used for stirring and separating the slag box 3, the arc protecting cover 6.5 only covers the box mouth of the slag box 3, can prevent the aluminum slag in the slag box 3 from splashing and is not contacted with the box mouth of the slag box 3, the cover surface of the arc protecting cover 6.5 is provided with a plurality of ultrasonic transmitting devices 6.6 which can send ultrasonic waves into the slag box 3, the separation speed between the aluminum slag and the metal melt can be accelerated through the ultrasonic waves, and the separation degree between the aluminum slag and the metal melt is improved, thereby reducing the burning loss amount of the metal melt, further improving the separation amount of the metal melt, finally improving the aluminum output amount of aluminum smelting, and increasing the production benefit,

particularly, the emission frequency of an emission unit in the ultrasonic emission device 6.6 is 30-60HZ, in addition, a cover surface of the arc-shaped protecting cover 6.5 is provided with a material injection pipe 6.9 for outputting cold aluminum ash to the slag box 3 in a penetrating manner, when aluminum liquid does not flow out of the slag box 3 any more, the temperature of the aluminum slag in the slag box 3 can be rapidly reduced by injecting the cold aluminum ash into the aluminum slag and then stirring by the stirring knife 6.7 for a period of time, and finally the composite stirring assembly 6 is lifted, so that the aluminum slag accidentally brought out can be prevented from causing harm to the construction environment; the inner cover surface of the protecting cover 6.5 is provided with a heat insulating layer 9, and the heat insulating layer 9 can protect the ultrasonic transmitting device 6.6 and the protecting cover 6.5 from high temperature damage, so that the damage of the ultrasonic transmitting device 6.6 and the deformation of the protecting cover 6.5 are prevented; the tail end of the stirring shaft 6.4 is correspondingly connected with the stirring mechanism; the stirring mechanism comprises a stirring knife 6.7 and a thimble 6.9, the head end of the stirring knife 6.7 is correspondingly and fixedly connected with the tail end of the stirring shaft 6.4, the aluminum slag can be broken up as much as possible through the stirring knife 6.7, the aluminum slag and the metal melt are separated through high-speed stirring, the thimble 6.9 corresponding to the liquid outlet hole 3.1 at the bottom of the slag box 3 is arranged at the tail end of the stirring knife 6.7, the thimble 6.9 can eject the plug of the liquid outlet hole 3.1 of the slag box 3, and the separated metal melt can flow into the aluminum liquid collecting seat 2 along the liquid outlet hole 3.1;

the second lifting assembly drives a cooling assembly 7 for cooling the separated aluminum slag to lift, and the cooling assembly 7 comprises a cooling mechanism and a connecting mechanism according to needs, wherein the cooling mechanism comprises a slag box cover 7.1 and an atomizing nozzle 7.3; the slag box cover 7.1 is correspondingly positioned at the box opening of the slag box 3, the whole slag box cover 7.1 is of a hollow structure, the hollow cavity provides a flowing channel for a cooling medium, the inner cover surface of the slag box cover 7.1 is provided with a heat insulation layer 9 which can prevent the slag box cover 7.1 from being heated and deformed, and the edge of the inner cover surface is provided with a sealing strip 7.2 which is correspondingly abutted against the edge of the tank opening of the slag tank 3, when the cooling component 7 works, the slag tank cover 7.1 correspondingly covers the tank opening of the slag tank 3, the sealing performance between the slag box 3 and the slag box cover 7.1 can be enhanced through the sealing strip 7.2, the inner side wall of the slag box cover 7.1 is provided with a plurality of atomizing nozzles 7.3 correspondingly communicated with the hollow cavity, the atomizing nozzles 7.3 correspond to the outer wall surface of the slag box 3, the cooling medium is sprayed to the outer wall surface of the slag box 3 through the atomizing nozzles 7.3, thereby carrying out physical cooling on the slag box 3, and particularly, the cooling medium can be liquid argon, liquid nitrogen or circulating water with pressure; the top surface of the slag box cover 7.1 is correspondingly and fixedly connected with a connecting mechanism of the cooling component 7, the connecting mechanism comprises a cooling pipe 7.4, the head end of the cooling pipe 7.4 is correspondingly connected with an external cooling device, the pipe body of the cooling pipe 7.4 is fixedly connected with a corresponding lifting cross beam 5.4, the tail end of the cooling pipe 7.4 is correspondingly and fixedly connected with the outer cover surface of the slag box cover 7.1 through a flange, the tail end is correspondingly communicated with the hollow cavity of the slag box cover 7.1, and a cooling medium is input into the hollow cavity of the slag box cover 7.1 through the cooling pipe 7.4,

in addition, a vacuum pump 7.5 is installed on the top surface of the lifting beam 5.4, an evacuation pipe of the vacuum pump 7.5 correspondingly penetrates through the slag box cover 7.1 and then is correspondingly communicated with the slag box 3, a smoke outlet of the vacuum pump 7.5 is correspondingly connected with an external dust removal system, and the vacuum pump 7.5 can evacuate the slag box 3 to be in a vacuum state, so that aluminum slag in the slag box 3 is prevented from contacting with air and continuing to burn, a large amount of heat in the slag box 3 can be evacuated in the evacuation process, and cooling of the aluminum slag is accelerated; the stirring mechanism of the composite stirring assembly 6 and the cooling mechanism of the cooling assembly 7 respectively correspond to the tank opening of a slag tank 3; in addition, the rotating assembly 4, the lifting assembly 5, the composite stirring assembly 6 and the cooling assembly 7 in the treatment equipment are all automatically controlled by a control system in a control box 8, the control box 8 is installed on the base 1, and the operation mode of the control system is remote control operation.

The treatment method used by the furnace-front aluminum slag treatment equipment comprises the following steps: arranging a plug at a liquid outlet hole 3.1 of the slag box 3, then filling 2/3 aluminum slag into the slag box 3, then installing the slag box 3 on an aluminum liquid collecting seat 2 corresponding to the composite stirring assembly 6, and starting a second lifting assembly to drive the cooling assembly 7 to ascend to the highest position;

step two: after the first lifting assembly drives the composite stirring assembly 6 to fall into the slag box 3, the stirring mechanism carries out primary stirring and separation treatment on the aluminum slag in the slag box 3 for 3-5min, in addition, the stirring blade 6.7 in the stirring mechanism can carry out effective physical stirring on the aluminum slag, so that the aluminum slag and the metal melt are separated by the action of centrifugal force and the contact of the stirring blade 6.7, the aluminum slag and the metal melt can be quickly and completely separated by the ultrasonic wave emitted by the ultrasonic emission device 6.6, the separation speed of the aluminum slag and the metal melt can be improved when the aluminum slag and the metal melt are matched with the stirring blade 6.7 to work, and the time of the primary stirring and separation treatment is shortened to 1-2 min;

step three: the first lifting assembly drives the composite stirring assembly 6 to continuously fall until the stirring mechanism pushes the plug out of the liquid outlet hole 3.1, the plug can be directly pushed out of the liquid outlet hole 3.1 through the thimble 6.9 as required, then the stirring mechanism is started to stir and separate the aluminum slag in the slag box 3, when the liquid outlet hole 3.1 does not flow out of the aluminum liquid, the stirring mechanism is stopped to act, in addition, cold aluminum ash is introduced into the slag box 3 through the material injection pipe 6.9, and then the stirring mechanism starts stirring work, so that the cold aluminum ash can rapidly cool the aluminum slag; then the first lifting component drives the composite stirring component 6 to ascend, and a new slag box 3 filled with aluminum slag is arranged on the aluminum liquid collecting seat 2 corresponding to the cooling component 7;

step four: rotating the rotating assembly 4 forward by 180 degrees, correspondingly and mutually replacing the positions of the composite stirring assembly 6 and the cooling assembly 7, and then repeating the second step and the third step by the first lifting assembly and the composite stirring assembly 6; meanwhile, the second lifting assembly drives the cooling assembly 7 to fall until the cooling mechanism is correspondingly abutted against the tank opening of the slag tank 3, then the cooling mechanism is started to cool the slag tank 3, and in addition, the cooling medium sprayed by an atomizing nozzle 7.3 in the cooling device can physically cool the slag tank 3; according to the requirement, the vacuum pump 7.5 can change the interior of the slag box 3 into a vacuum environment, and the aluminum slag can not be combusted by isolating the air of the aluminum slag, so that the purpose of cooling the slag box 3 is achieved, and the vacuum pump 7.5 can simultaneously cool the inside and the outside of the slag box 3 by matching with the atomizing nozzle 7.3, so that the cooling time of the slag box 3 is effectively saved;

step five: when the liquid outlet holes 3.1 of the slag box 3 corresponding to the composite stirring assembly 6 do not flow out of the aluminum liquid any more and the temperature of the slag box 3 corresponding to the cooling assembly 7 is less than 50 ℃, stopping the operation of the stirring mechanism and the cooling mechanism, driving the corresponding assemblies to ascend by the first and second lifting assemblies, conveying the cooled slag box 3 and the cooled aluminum liquid collecting seat 2 to the next process, and placing a new slag box 3 and a new aluminum liquid collecting seat 2;

step six: the rotating assembly 4 is rotated reversely by 180 degrees, so that the positions of the composite stirring assembly 6 and the cooling assembly 7 are reset, and the corresponding slag box 3 is stirred, separated, cooled and cooled;

step seven: and repeating the third step to the fifth step to realize automatic continuous treatment of the aluminium slag in front of the furnace.

The present invention is not described in detail in the prior art.