CN114905031A - Automatic production system for rare earth alloy - Google Patents
Automatic production system for rare earth alloy Download PDFInfo
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- CN114905031A CN114905031A CN202210584883.XA CN202210584883A CN114905031A CN 114905031 A CN114905031 A CN 114905031A CN 202210584883 A CN202210584883 A CN 202210584883A CN 114905031 A CN114905031 A CN 114905031A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 29
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 title claims abstract description 27
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 27
- 238000012216 screening Methods 0.000 claims abstract description 50
- 239000002994 raw material Substances 0.000 claims abstract description 48
- 238000005303 weighing Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000012768 molten material Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 40
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 4
- 239000012856 weighed raw material Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to an automatic rare earth alloy production system which comprises a batching and feeding unit, a pouring unit and a crushing and screening unit which are sequentially arranged, wherein the batching and feeding unit, the pouring unit and the crushing and screening unit are all connected with a central control unit; the batching and feeding unit is used for weighing raw materials from the raw material bin and conveying the raw materials to the pouring unit, and the central control unit controls the feeding rate of the raw material bin; the pouring unit is used for melting raw materials and pouring and molding the molten material liquid, and the central control unit controls pouring of the molten material liquid; the crushing and screening unit is used for crushing, primary screening, homogenizing and secondary screening of the molten solid from the casting unit to obtain the rare earth alloy product. In the production system, the three units of the batching and feeding unit, the pouring unit and the crushing and screening unit are integrated in a segmented manner, so that the process is compact, the work is accurate, the automation degree of the whole process is improved, and the labor input is reduced while the safe production is realized.
Description
Technical Field
The invention relates to the technical field of rare earth alloy production, in particular to an automatic rare earth alloy production system.
Background
In the rare earth alloy production industry, most enterprises still adopt a large amount of manual work to carry out production operation, and degree of automation is low, for example, adopt artifical batching before the electric stove, artifical for the electric stove to throw the material in batching material loading stage, but artifical batching has uncontrollable error, consumes the manual work, when throwing the material for the electric stove, receives the high temperature liquid influence, and intensity of labour is bigger, takes place the splash easily and burns the accident. In another example, when the ingot is taken out of the furnace for pouring, the tilting electric furnace is poured into the fixed ingot mold and is transported to a discharge yard by a crane for hoisting or a forklift, so that the pouring takes long time and is accompanied with potential safety hazards. For another example, during crushing and screening, homogenization treatment is not carried out, the homogenization degree of the finished product is low, segregation is easy to form, and meanwhile, potential safety hazards are accompanied.
The above factors can cause the production cost of enterprises to be generally higher, and also cause the problems of low production efficiency, poor metering precision, unbalanced product quality, high labor intensity, high safety risk and the like.
Therefore, it is necessary to provide a production system with a segmented integration, a compact process, a precise work, and a reduced labor load while achieving safe production.
Disclosure of Invention
The present application provides a rare earth alloy automated production system in order to solve the above-mentioned technical problem.
The application is realized by the following technical scheme:
an automatic rare earth alloy production system comprises a batching and feeding unit, a pouring unit and a crushing and screening unit which are sequentially arranged, wherein the batching and feeding unit, the pouring unit and the crushing and screening unit are all connected with a central control unit;
the batching and feeding unit is used for weighing raw materials from the raw material bin and conveying the raw materials to the pouring unit, and the central control unit controls the feeding rate of the raw material bin according to the weighing data;
the pouring unit is used for melting raw materials and pouring and molding the molten material liquid, and the central control unit controls pouring of the molten material liquid according to the preset flow and the pouring amount;
and the crushing and screening unit is used for crushing, primary screening, homogenizing and secondary screening of the molten solid from the casting unit to obtain the rare earth alloy product.
Further, the batching and feeding unit comprises a first belt conveyor, a metering hopper, a second belt conveyor and a distributing traveling vehicle, wherein the first belt conveyor is used for conveying raw materials in a raw material bin into the metering hopper for weighing, the second belt conveyor is positioned below the metering hopper, the second belt conveyor is used for conveying the weighed raw materials into the distributing traveling vehicle, the distributing traveling vehicle is used for conveying the raw materials to the pouring unit, and the central control unit controls the starting and stopping of the distributing traveling vehicle;
the weighing hopper feeds weighing data back to the central control unit, and the central control unit controls the conveying speed of the first belt conveyor. The cloth walking car possesses splendid attire, transport and three function of walking simultaneously, when walking to preset position, just transfers the raw materials in the on-vehicle hopper to the third belt feeder to carry to the electric stove in, reduced artificial operation volume. In the prior art, in order to reduce the number of devices, a dynamic belt conveyor is generally adopted to weigh raw materials, but the weighing accuracy is greatly reduced, and the raw materials are weighed by a static metering hopper more accurately.
Preferably, there are six raw material bins, and there are six first belt conveyors and six metering hoppers matched correspondingly.
Furthermore, the cloth walking vehicle comprises a vehicle-mounted hopper, a third belt conveyor arranged below the vehicle-mounted hopper and a base provided with wheels, the third belt conveyor is arranged on the base, the vehicle-mounted hopper is used for containing raw materials conveyed by the second belt conveyor, and the third belt conveyor is used for conveying the raw materials in the vehicle-mounted hopper to the electric furnace.
Preferably, the second belt conveyor is a reversible belt conveyor, and the two cloth traveling vehicles are respectively located on two sides of the second belt conveyor and can be used for batching and feeding two electric furnaces.
Furthermore, the pouring unit comprises an electric furnace and a pouring mold vehicle arranged below the electric furnace, the electric furnace is used for melting the raw materials conveyed by the batching and feeding unit, and the central control unit controls the start and stop of the pouring mold vehicle and the tipping angle and the tipping time of the electric furnace;
the pouring mold vehicle comprises a pouring mold, an oil cylinder and a vehicle frame with wheels, one side of the pouring mold is hinged to the top of the vehicle frame, the other side of the pouring mold is hinged to the top of the oil cylinder, the bottom of the oil cylinder is hinged to the vehicle frame, and the central control unit controls the oil cylinder to adjust the gradient of the pouring mold, so that molten solids slide out of the inclined pouring mold.
Preferably, the pouring unit further comprises a pouring chute arranged below the electric furnace, the pouring chute is obliquely arranged, and the molten material liquid in the electric furnace enters the pouring mould car through the pouring chute.
Further, the crushing and screening unit comprises a coarse crusher, a primary screening device, a homogenizing device, a secondary screening device, a fourth belt conveyor, a fifth belt conveyor, a sixth belt conveyor and a seventh belt conveyor;
the fourth belt conveyor is used for conveying the molten solids of the pouring unit to the coarse crusher, the fifth belt conveyor is used for conveying the coarsely crushed materials to the primary screening equipment, the sixth belt conveyor is used for conveying undersize crushed materials to the homogenizing device, the seventh belt conveyor is used for conveying homogenized crushed materials to the secondary screening equipment, and the rescreened crushed materials are rare earth alloy products;
the homogenizing device comprises a circumferential homogenizing bin and a circumferential distributing device, a plurality of compartments for containing different batches of crushed aggregates are arranged in the circumferential homogenizing bin, the circumferential distributing device is arranged in the middle of the top surface of the circumferential homogenizing bin, and the central control unit controls the circumferential distributing device to distribute the different batches of crushed aggregates to the different compartments. The crushed aggregates of a plurality of batches (namely heats) can be stored in the same circumference homogenizing cabin, so that disordered disorder between homogenizing operations is avoided.
Furthermore, the circumferential material distributor comprises material guide pipes, a speed reducer and a driving mechanism, wherein the material guide pipes, the speed reducer and the driving mechanism are obliquely arranged, the speed reducer is arranged in the middle of the top surface of the circumferential homogenizing bin, output shafts of the speed reducer are vertically arranged, an output shaft of the speed reducer is connected with the top of the material guide pipes, and the speed reducer is used for driving the material guide pipes to rotate around output shafts of the speed reducer so as to sequentially distribute materials to the plurality of compartments.
The screening machine further comprises a fine crushing machine, an eighth belt conveyor and a ninth belt conveyor, wherein the eighth belt conveyor is used for conveying the screened crushed materials after primary screening to the fine crushing machine, and the ninth belt conveyor is used for conveying the crushed materials after fine crushing to the fifth belt conveyor.
Compared with the prior art, the method has the following beneficial effects:
in the production system, the three units of the batching and feeding unit, the pouring unit and the crushing and screening unit are integrated in a segmented manner, so that the process is compact, the work is accurate, the automation degree of the whole process is improved, and the labor investment is reduced while the safety production is realized:
1. the feeding speed of the raw material bin is controlled by the central control unit, so that the batching precision and efficiency of the batching and feeding unit can be improved;
2. in the pouring unit, the central control unit controls the start and stop of the pouring mold car and the tipping angle and the tipping time of the electric furnace, so that the pouring mold car can realize automatic unloading, the working strength of the pouring unit is reduced, and the safety is improved;
3. in the crushing and screening unit, the homogenizing device is additionally arranged, so that the crushed aggregates of different heats can be stored in different compartments of the same circumference homogenizing bin, and after the circumference homogenizing bin is fully stored, all the crushed aggregates of the heats in different compartments are together sent to the re-screening equipment for screening, so that the homogenizing efficiency, the production efficiency and the product quality are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic view of the operation of the ingredient loading unit of the present invention;
FIG. 2 is a schematic structural view of the cloth traveling vehicle of FIG. 1;
FIG. 3 is a schematic view of the operation of the pouring unit of the present invention;
FIG. 4 is a schematic view of the operation of the casting mold car of FIG. 3;
FIG. 5 is a schematic diagram of the operation of the crushing and screening unit of the present invention;
FIG. 6 is a schematic view of the operation of the homogenizing device of FIG. 5;
FIG. 7 is a top view of the circumferential homogenization silo and the circumferential distributor of FIG. 6;
FIG. 8 is a schematic view showing the operation of the circumferential distributor of FIG. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are usually placed when the product of the present invention is used, or orientations or positional relationships that are usually understood by those skilled in the art, which are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 8, the automatic rare earth alloy production system disclosed in this embodiment includes a batching and feeding unit 100, a pouring unit 200, and a crushing and screening unit 300, which are sequentially arranged, where the batching and feeding unit 100, the pouring unit 200, and the crushing and screening unit 300 are all connected to a central control unit 400.
The batching and feeding unit 100 comprises a first belt conveyor 101, a metering hopper 102, a second belt conveyor 103 and a distributing traveling vehicle 104, wherein the first belt conveyor 101 is used for conveying raw materials in a raw material bin 105 into the metering hopper 102 for weighing, the second belt conveyor 103 is positioned below the metering hopper 102, the second belt conveyor 103 is used for conveying the weighed raw materials into the distributing traveling vehicle 104, the distributing traveling vehicle 104 is used for conveying the raw materials into the pouring unit 200, and the central control unit 400 controls the starting and stopping of the distributing traveling vehicle 104; the weighing hopper 102 feeds back the weighing data to the central control unit 400, and the central control unit 400 controls the conveying speed of the first belt conveyor 101.
Further, as shown in fig. 2, the cloth walking vehicle 104 includes a vehicle-mounted hopper 106, a third belt conveyor 107 installed below the vehicle-mounted hopper 106, and a base 109 equipped with wheels 108, the third belt conveyor 107 is installed on the base 109, the vehicle-mounted hopper 106 is used for containing the raw material conveyed by the second belt conveyor 103, and the third belt conveyor 107 is used for conveying the raw material in the vehicle-mounted hopper 106 to the electric furnace 201.
The pouring unit 200 comprises an electric furnace 201 and a pouring mold car 202 arranged below the electric furnace 201, the electric furnace 201 is used for melting raw materials conveyed by the batching and feeding unit 100, the central control unit 400 controls the start and stop of the pouring mold car 202 and controls the tilting angle and the tilting time of the electric furnace 201, and the preset flow and pouring amount can be realized by adjusting the tilting angle and the tilting time; as shown in fig. 4, the casting mold vehicle 202 comprises a casting mold 203, an oil cylinder 204 and a vehicle frame 205 provided with wheels 108, one side of the casting mold 203 is hinged with the top of the vehicle frame 205, the other side of the casting mold 203 is hinged with the top of the oil cylinder 204, the bottom of the oil cylinder 204 is hinged with the vehicle frame 205, and the central control unit 400 controls the oil cylinder 204 to adjust the inclination of the casting mold 203. The electric furnace 201 can be an intermediate frequency furnace or an arc furnace. The automatic tipping of the electric furnace 201 is prior art and will not be described in detail here.
Further, the pouring unit 200 further comprises a pouring chute 206 arranged below the electric furnace 201, the pouring chute 206 is obliquely arranged, and the molten material liquid in the electric furnace 201 enters the pouring mold vehicle 202 through the pouring chute 206.
The crushing and screening unit 300 comprises a rough crusher 301, a primary screening device 302, a homogenizing device 308, a secondary screening device 303, a fourth belt conveyor 304, a fifth belt conveyor 305, a sixth belt conveyor 306 and a seventh belt conveyor 307; the fourth belt conveyor 304 is used for conveying the molten solids of the pouring unit 200 to the rough crusher 301, the fifth belt conveyor 305 is used for conveying the rough crushed materials to the primary screening device 302, the sixth belt conveyor 306 is used for conveying the undersize crushed materials to the homogenizing device 308, the seventh belt conveyor 307 is used for conveying the homogenized crushed materials to the secondary screening device 303, and the rescreened crushed materials are rare earth alloy products.
The homogenizing device 308 comprises a circumferential homogenizing cabin 309 and a circumferential distributing device 310, a plurality of compartments 311 for containing different batches of crushed aggregates are arranged in the circumferential homogenizing cabin 309, the circumferential distributing device 310 comprises a guide pipe 312, a speed reducer 313 and a driving mechanism 314 for driving the speed reducer 313, the speed reducer 313 is mounted in the middle of the top surface of the circumferential homogenizing cabin 309, an output shaft 315 of the speed reducer 313 is vertically arranged, the output shaft 315 of the speed reducer 313 is connected with the top of the guide pipe 312, and the speed reducer 313 is used for driving the guide pipe 312 to rotate around the output shaft 315 of the speed reducer 313 so as to sequentially distribute the crushed aggregates to the compartments 311. In this embodiment, there are six compartments 311, and the driving mechanism 314 may be an electric motor.
The working principle of the embodiment is as follows: the raw materials in the raw material bin 105 are conveyed to the metering hopper 102 through the first belt conveyor 101, and the conveying amount of the first belt conveyor 101 is controlled through a weighing signal of the metering hopper 102, so that the metering error is ensured to be within 0.2% each time. The measured raw material is sent to a material distribution hopper 106 of a material distribution traveling vehicle 104 via a second belt conveyor 103. Then, the material-distribution traveling vehicle 104 travels on the floor of the electric furnace 201, and the raw material in the vehicle-mounted hopper 106 is fed into the electric furnace 201 by the third belt conveyor 107 on the material-distribution traveling vehicle 104.
The electric furnace 201 starts pouring after melting raw materials, when pouring, the central control unit 400 controls the pouring mold car 202 to automatically reach a preset pouring position, the central control unit 400 controls the electric furnace 201 to automatically tip, the central control unit 400 controls the tipping angle and the tipping time of the electric furnace 201 according to preset flow and pouring amount information, the pouring mold car 202 is automatically stopped after the pouring is completed, and the pouring mold car 202 is started to start the pouring work of the next pouring mold car 202. The pouring mold vehicle 202 after pouring automatically moves to the cooling section, and automatically moves to a discharge yard for automatic discharge after the molten solid is cooled to a predetermined temperature. When the casting mold 203 is unloaded, the cylinder 204 is inclined upward, and the molten solid can directly slide out of the casting mold 203.
Referring to fig. 5-8, the molten solid is fed into the coarse crusher 301 through the fourth belt conveyor 304, and after coarse crushing, is fed to the primary screening apparatus 302 through the fifth belt 305 for screening. After the primary screening, the undersized material is conveyed by means of a sixth belt conveyor 306 and a circumferential distributor 310 to a compartment 311 of a circumferential homogenizing silo 309 for temporary storage. When six compartments 311 are filled with crushed aggregates of six furnaces, the crushed aggregates of all furnaces are conveyed to a re-screening device 303 through a seventh belt conveyor 307 to be screened for the second time so as to meet the granularity requirement of the rare earth alloy product, and then the rare earth alloy product is conveyed to a packaging room to be packaged.
Example two
In this embodiment, on the basis of the first embodiment, as shown in fig. 1, there are six raw material bins 105, and there are six first belt conveyors 101 and six weighing hoppers 102 correspondingly. Six raw materials storehouses 105 can be silicon iron storehouse, silicon storehouse, silicon calcium storehouse, magnesium metal storehouse, first rare earth storehouse and second rare earth storehouse respectively. Of course, a raw material bin 105, a first belt conveyor 101 and a measuring hopper 102 can be additionally arranged for standby.
The second belt conveyor 103 is a reversible belt conveyor, the number of the cloth traveling vehicles 104 is two, and the two cloth traveling vehicles 104 are respectively located on two sides of the second belt conveyor 103.
The working principle of the embodiment is as follows: the arrangement of the raw material bins 105, the first belt conveyor 101 and the metering hopper 102 facilitates the simultaneous weighing of multiple raw materials, thereby improving efficiency. The reversible belt conveyor can meet the requirements of two material distribution traveling vehicles 104, thereby meeting the requirements of the batching and the feeding of the two electric furnaces 201.
EXAMPLE III
In this embodiment, on the basis of the first embodiment or the second embodiment, as shown in fig. 5, the crushing and screening unit 300 further includes a fine crusher 316, an eighth belt conveyor 317 and a ninth belt conveyor 318, wherein the eighth belt conveyor 317 is used for conveying the primarily screened crushed materials to the fine crusher 316, and the ninth belt conveyor 318 is used for conveying the finely crushed materials to the fifth belt conveyor 305.
The working principle of the embodiment is as follows: the crushed materials on the screen are sent into a fine crusher 316 for secondary crushing, and then the primary screening equipment 302 is used for screening, so that the utilization rate of the materials can be improved repeatedly.
In order to improve the dust collection effect of each stage of the production system and the overall environmental protection degree of the production system, the dust points of the batching and feeding unit, the pouring unit and the crushing and screening unit are hermetically arranged, and the dust is collected by adopting negative pressure.
The above embodiments are provided to explain the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An automated production system of rare earth alloy, its characterized in that: the device comprises a batching and feeding unit, a pouring unit and a crushing and screening unit which are sequentially arranged, wherein the batching and feeding unit, the pouring unit and the crushing and screening unit are all connected with a central control unit;
the batching and feeding unit is used for weighing raw materials from the raw material bin and conveying the raw materials to the pouring unit, and the central control unit controls the feeding rate of the raw material bin according to the weighing data;
the pouring unit is used for melting raw materials and pouring and molding the molten material liquid, and the central control unit controls pouring of the molten material liquid according to the preset flow and the pouring amount;
and the crushing and screening unit is used for crushing, primary screening, homogenizing and secondary screening the molten solid from the pouring unit to obtain the rare earth alloy product.
2. The automatic production system of rare earth alloy according to claim 1, wherein: the batching and feeding unit comprises a first belt conveyor, a metering hopper, a second belt conveyor and a distributing travelling vehicle, wherein the first belt conveyor is used for conveying raw materials in a raw material bin into the metering hopper for weighing, the second belt conveyor is positioned below the metering hopper and is used for conveying the weighed raw materials into the distributing travelling vehicle, the distributing travelling vehicle is used for conveying the raw materials to the pouring unit, and the central control unit controls the starting and stopping of the distributing travelling vehicle;
the weighing hopper feeds weighing data back to the central control unit, and the central control unit controls the conveying speed of the first belt conveyor.
3. The automatic production system of rare earth alloy according to claim 2, wherein: the former feed bin has six, and first belt feeder, measuring hopper also correspondingly match there are six.
4. The automatic production system of a rare earth alloy according to claim 2 or 3, wherein: the cloth walking vehicle comprises a vehicle-mounted hopper, a third belt conveyor and a base, wherein the third belt conveyor is arranged below the vehicle-mounted hopper, the base is provided with wheels, the third belt conveyor is arranged on the base, the vehicle-mounted hopper is used for containing raw materials conveyed by the second belt conveyor, and the third belt conveyor is used for conveying the raw materials in the vehicle-mounted hopper to the electric furnace.
5. The automatic rare earth alloy production system according to claim 4, wherein: the second belt conveyor is a reversible belt conveyor, and the two cloth traveling vehicles are respectively positioned on two sides of the second belt conveyor.
6. The automatic production system of rare earth alloys according to claim 1, 2, 4 or 5, characterized in that: the pouring unit comprises an electric furnace and a pouring mold car arranged below the electric furnace, the electric furnace is used for melting raw materials conveyed by the batching and feeding unit, and the central control unit controls the start and stop of the pouring mold car and the tipping angle and the tipping time of the electric furnace;
the pouring mold vehicle comprises a pouring mold, an oil cylinder and a vehicle frame with wheels, wherein one side of the pouring mold is hinged to the top of the vehicle frame, the other side of the pouring mold is hinged to the top of the oil cylinder, the bottom of the oil cylinder is hinged to the vehicle frame, and the central control unit controls the oil cylinder to adjust the inclination of the pouring mold.
7. The automatic rare earth alloy production system according to claim 6, wherein: the pouring unit also comprises a pouring chute arranged below the electric furnace, the pouring chute is obliquely arranged, and molten feed liquid in the electric furnace enters the pouring mould car through the pouring chute.
8. The automatic production system of a rare earth alloy according to claim 1 or 7, wherein: the crushing and screening unit comprises a coarse crusher, primary screening equipment, a homogenizing device, secondary screening equipment, a fourth belt conveyor, a fifth belt conveyor, a sixth belt conveyor and a seventh belt conveyor;
the fourth belt conveyor is used for conveying the molten solids of the pouring unit to the coarse crusher, the fifth belt conveyor is used for conveying the coarsely crushed materials to the primary screening equipment, the sixth belt conveyor is used for conveying undersize crushed materials to the homogenizing device, the seventh belt conveyor is used for conveying homogenized crushed materials to the secondary screening equipment, and the rescreened crushed materials are rare earth alloy products;
the homogenizing device comprises a circumferential homogenizing bin and a circumferential distributing device, a plurality of compartments for containing different batches of crushed aggregates are arranged in the circumferential homogenizing bin, the circumferential distributing device is arranged in the middle of the top surface of the circumferential homogenizing bin, and the central control unit controls the circumferential distributing device to distribute the different batches of crushed aggregates to the different compartments.
9. The automatic rare earth alloy production system according to claim 8, wherein: the circumference distributing device comprises a material guide pipe, a speed reducer and a driving mechanism, wherein the material guide pipe, the speed reducer and the driving mechanism are obliquely arranged, the speed reducer is arranged in the middle of the top surface of the circumference homogenizing bin, an output shaft of the speed reducer is vertically arranged, an output shaft of the speed reducer is connected with the top of the material guide pipe, and the speed reducer is used for driving the material guide pipe to rotate around the output shaft of the speed reducer so as to sequentially distribute materials to the plurality of compartments.
10. The automated rare earth alloy production system according to claim 9, wherein: the fine crushing machine is used for conveying the sieved crushed materials after primary screening to the fine crushing machine, and the ninth belt conveyor is used for conveying the crushed materials after fine crushing to the fifth belt conveyor.
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| CN202210584883.XA CN114905031A (en) | 2022-05-27 | 2022-05-27 | Automatic production system for rare earth alloy |
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| CN202210584883.XA CN114905031A (en) | 2022-05-27 | 2022-05-27 | Automatic production system for rare earth alloy |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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