CN220737959U - Nickel-based superalloy chip material recycling production line - Google Patents

Abstract

The utility model belongs to the technical field of nickel-based superalloy scrap recycling, and particularly relates to a nickel-based superalloy scrap recycling production line. The production line comprises a production line feeding end and a production line discharging end, wherein a crushing and screening unit for crushing and screening scraps is sequentially arranged between the production line feeding end and the production line discharging end; the cleaning and drying unit is used for cleaning and drying the screened scraps; a selecting unit for selecting the dried scraps; the sampling and distributing unit is used for sampling and distributing the selected scraps; the sorting unit comprises a magnetic separation module, an identification module and an impurity separation module which are sequentially arranged along the conveying direction, wherein the magnetic separation module comprises at least two magnetic separation mechanisms which are separated along the height direction, the identification module is used for carrying out color sorting on the scraps, and the impurity separation module is used for separating low-density impurities in the scraps. Therefore, the effective selection and separation of impurities in the scraps can be completed, and the quality of the scraps after selection is ensured.

Description

Nickel-based superalloy chip material recycling production line

Technical Field

The utility model belongs to the technical field of nickel-based superalloy scrap recycling, and particularly relates to a nickel-based superalloy scrap recycling production line.

Background

The nickel-based superalloy is a high-performance alloy, has good heat strength performance, heat stability performance and heat fatigue performance, and is widely applied to the aerospace field and used as heat-resistant parts of aeroengines and gas turbines.

The nickel-based superalloy contains a plurality of rare and noble metal elements such as cobalt, niobium, cerium and the like, and has very high price and value; the reduction of raw material cost is the key of realizing cost reduction and efficiency enhancement for enterprises, some cut nickel-based superalloy scraps are inevitably generated in the production and processing process, the scraps inevitably contact oil and dust and are mixed with other metal substances, the scraps containing metal impurities cannot be directly smelted and need to be processed, and if the scraps are directly smelted or are not thoroughly processed, the components cannot be blended in the smelting, so that serious quality accidents are caused.

Therefore, how to effectively remove impurities in the scraps and realize recovery treatment of the nickel-based superalloy scraps is a technical problem to be solved by the technicians in the field.

Disclosure of Invention

The utility model aims to provide a nickel-based superalloy scrap recycling production line, which is characterized in that effective recycling of scraps is completed through a crushing and screening unit, a cleaning and drying unit, a selecting unit and a sampling and distributing unit, meanwhile, the selecting unit comprises a magnetic separation module, an identification module and an impurity separation module, the magnetic separation module comprises at least two magnetic separation mechanisms which are separated in the height direction, the identification module and the impurity separation module are arranged at the discharge end of the magnetic separation module, so that impurities in the scraps can be effectively selected, and the quality of the recycled nickel-based superalloy scraps is improved.

Aiming at the technical problems, the technical scheme provided by the utility model is that the nickel-based superalloy scraps recycling production line comprises a production line feeding end and a production line discharging end, wherein a crushing and screening unit for crushing and screening scraps is sequentially arranged between the production line feeding end and the production line discharging end; the cleaning and drying unit is used for cleaning and drying the screened scraps; a selecting unit for selecting the dried scraps; the sampling and distributing unit is used for sampling and distributing the selected scraps;

the sorting unit comprises a magnetic separation module, an identification module and an impurity separation module which are sequentially arranged along the conveying direction, wherein the magnetic separation module comprises at least two magnetic separation mechanisms which are separated along the height direction, the identification module is used for carrying out color sorting on the scraps, and the impurity separation module is used for separating low-density impurities in the scraps.

Further, the magnetic separation mechanism comprises a magnetic separation frame, a magnetic separation conveying belt is arranged on the magnetic separation frame, and at least one hanging magnetic attraction is arranged above the magnetic separation conveying belt.

Further, at least two suspension magnetic attraction devices are arranged above the magnetic separation conveying belt at intervals along the conveying direction, and a turning device is arranged between at least one pair of adjacent suspension magnetic attraction devices.

Further, the stirring device comprises a stirring frame arranged above the magnetic separation conveying belt, and a plurality of stirring rakes are arranged at positions of the stirring frame corresponding to the magnetic separation conveying belt along the direction of the width of the magnetic separation conveying belt at intervals.

Further, the turning rake is rotatably mounted on the turning rack, and the rotation axis of the turning rake extends along the magnetic separation conveyor belt width direction.

Further, the both ends of magnet separator frame are provided with the magnetic separation axis of rotation respectively, the magnetic separation conveyer belt twines on two magnetic separation axes of rotation, is in the magnetic separation axis of rotation of magnet separator mechanism discharge end is the magnet roller axis of rotation, still set up foreign matter collection mechanism on the magnet separator mechanism, foreign matter collection mechanism is used for collecting by magnet roller axis of rotation absorptive foreign matter.

Further, each of the magnetic separation mechanisms is arranged at intervals along the conveying direction, opposite ends of adjacent magnetic separation mechanisms are overlapped in height, and the foreign matter collecting mechanism comprises a sloping plate integrally arranged below the rotating shaft of the magnetic roller and a receiving tray arranged at the lower end of the sloping plate.

Further, the feeding end of the magnetic separation module is provided with a height limiting device, and the height limiting device is used for limiting the height of incoming materials and avoiding accumulation of scraps.

Further, select the unit still include the vibrating feeder, the washing stoving unit is connected respectively with the magnetic separation module at the both ends of vibrating feeder to the vibrating feeder is arranged towards the feed end slope of magnetic separation module.

Further, the recognition module comprises a plurality of groups of recognition cameras, the irradiation routes of the plurality of groups of recognition cameras are converged at one point, the plurality of groups of recognition cameras are arranged at equal included angle intervals along the conveying direction, the impurity separation module comprises an air separator and a chip separation slideway, the chip separation slideway comprises a first slideway and a second slideway which are inclined and extend in opposite directions, and the air separator is used for blowing low-density impurities in the chip to the first slideway.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The crushing screening unit, the cleaning and drying unit, the selecting unit and the sampling and distributing unit are used for crushing, cleaning, selecting and distributing the scraps, recovering the scraps, the selecting unit comprises a magnetic separation module, a recognition module and an impurity separation module, the magnetic separation module comprises at least two magnetic separation mechanisms which are separated along the height direction, the magnetic separation effect can be improved, the recognition module and the impurity separation module are arranged at the discharge end of the magnetic separation module, the scraps containing impurities can be subjected to color selection through the recognition module, the impurities in the scraps can be effectively selected through specific gravity separation of the impurity separation module, and the quality of the recovered nickel-based superalloy scraps is improved.

(2) The magnetic separation mechanism comprises a suspension magnetic attraction and a magnetic roller rotating shaft, so that the magnetic separation effect is improved.

(3) The height of the scraps entering the magnetic separation unit can be limited through the height limiting device, the scraps are discharged, the scraps are prevented from agglomerating, and subsequent selection is facilitated.

(4) And a turning device is arranged between the two suspension magnetic attraction devices, so that the scraps can be turned over, and the magnetic separation effect is improved.

(5) The turning rake is rotatably arranged on the turning rack, so that the phenomenon that the large-lump scraps cannot be turned to cause material blocking accumulation can be avoided.

Drawings

FIG. 1 is a flow chart of a production line in example 1 of the present utility model.

Fig. 2 is a schematic diagram of the structure of the selecting unit in embodiment 1 of the present utility model.

Fig. 3 is a schematic structural diagram of an identification module and an impurity separation module in embodiment 1 of the present utility model.

Fig. 4 is a schematic structural view of a upender in embodiment 1 of the utility model.

Fig. 5 is a side view of the upender of embodiment 1 of the utility model.

Fig. 6 is a front view of the sampling and distributing device in embodiment 1 of the present utility model.

FIG. 7 is a top view of the sample distribution device according to example 1 of the present utility model.

FIG. 8 is a schematic diagram of the moisture detecting device in embodiment 1 of the present utility model.

In the figure: 1. a selecting unit; 2. selecting a unit mounting frame; 21. a discharge hopper; 22. a ceiling; 23. identifying the separation conveyor belt; 3. a magnetic separation module; 31. a magnetic separation mechanism; 311. magnetic separation conveying belts; 312. a magnetic separation frame; 313. hanging magnetic attraction; 314. a magnetic roller rotating shaft; 315. a sloping plate; 316. a receiving tray; 32. a height limiting device; 33. a material turning device; 331. a mounting frame; 332. a cross beam; 333. a hinge; 334. a turning rake; 4. an identification module; 41. identifying a camera; 5. an impurity separation module; 51. an air classifier; 52. a chip material separation slideway; 521. a first slideway; 522. a second slideway; 6. a vibratory feeder; 7. a moisture detecting device; 71. a moisture detection sensor; 72. a pressure sensor; 73. a mounting plate; 74. a transmission mechanism; 741. a driving motor; 742. a reversing transmission; 743. a vertical transmission rod; 8. a sampling cloth unit; 81. a sampling cloth rack; 82. sampling cloth conveying belt; 83. a sampling arm; 84. temporary storage hopper; 85. a sampling barrel; 86. a position sensor; 87. a variable frequency motor; 88. spoke type weighing sensor; 89. a slip ring; 810. a linear bearing; 811. a slewing bearing; 812. a finished product tray; 813. a finished product charging basket; 814. detecting a position; 815. a transmission structure; 816. and a sampling beam.

S: and a conveying direction.

Detailed Description

For the purposes, technical solutions and advantages of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application:

example 1

Referring to fig. 1 to 8, the nickel-based superalloy scrap recycling production line of the present utility model includes a production line feeding end and a production line discharging end (not shown), between which a crushing and screening unit for crushing and screening scraps is sequentially disposed; the cleaning and drying unit is used for cleaning and drying the screened scraps; a selecting unit 1 for selecting the dried scraps; and a sampling and distributing unit 8 for sampling and distributing the selected scraps. In this embodiment, the discharge end and the feed end of each unit are connected by a conveyor belt to complete conveyance. Of course, in other embodiments, according to actual needs, the connection between the units may be accomplished by a freight car, a mechanical arm, or the like.

As shown in fig. 2 and 3, the sorting unit 1 includes a magnetic separation module 3, an identification module 4, and an impurity separation module 5, which are sequentially arranged in the conveying direction S. The magnetic separation module 3 comprises at least two magnetic separation mechanisms 31 which are separated in the height direction, the identification module 4 is used for carrying out color separation on the scraps, and the impurity separation module 5 is used for separating low-density impurities in the scraps.

As shown in fig. 2, in the present embodiment, the pick unit 1 includes a pick unit mount 2, and a ceiling 22 is provided above the pick unit mount 2. The magnetic separation mechanisms 31 are arranged on the selection mounting frame 331 at intervals along the conveying direction S, and adjacent ends of the two magnetic separation mechanisms 31 are overlapped in the height direction, namely, a discharge end of the upper magnetic separation mechanism 31 and a feed end of the lower magnetic separation mechanism 31 are overlapped in the up-down direction, so that scraps can be thrown onto the lower magnetic separation mechanism 31 after being magnetically separated by the upper magnetic separation mechanism 31. In other embodiments, the number of magnetic separation mechanisms 31 may be set according to actual needs, for example, 3, 4, 5, etc. magnetic separation mechanisms may be arranged at intervals along the height direction and the conveying direction S, and when the actual use needs are satisfied, only one magnetic separation mechanism 31 may be arranged.

In the present embodiment, the magnetic separation mechanism 31 includes a magnetic separation frame 312, a magnetic separation conveyor belt 311 extending in the conveying direction S is provided on the magnetic separation frame 312, and two suspension magnetic attractions 313 are arranged above the magnetic separation conveyor belt 311 at intervals, and the suspension magnetic attractions 313 are used for adsorbing metal impurities. The magnetic separation frame 312 is located at two sides of the magnetic separation conveyer 311, and is provided with an extending section extending upwards, and two hanging magnetic attractions 313 are fixed on the magnetic separation frame 312 through the extending section. In other embodiments, the number of the suspension magnets 313 may be set according to actual needs, such as 3, 4, 5, etc. spaced apart, and only one suspension magnet 313 may be disposed when the actual use needs are satisfied.

As shown in fig. 2, 4 and 5, preferably, a material turning device 33 is disposed between the two hanging magnetic attractions 313, the material turning device 33 includes a material turning frame that is erected above the magnetic separation conveying belt 311, the material turning frame includes a mounting frame 331 that is respectively fixed on the magnetic separation frames 312 on two sides of the magnetic separation conveying belt 311, and a cross beam 332 that is disposed between the two mounting frames 331, and an extending direction of the cross beam 332 is a width direction of the magnetic separation conveying belt 331, that is, is perpendicular to a conveying direction S in fig. 2 in a horizontal plane.

On the crossbeam 332, a plurality of turning-over rakes 334 are arranged at intervals along the extending direction of the crossbeam 332, sharp corners are arranged at the lower ends of the turning-over rakes 334, and the sharp corners of two adjacent turning-over rakes 334 form a space for large-particle-size scraps to pass through, so that the scraps with different sizes can be turned over conveniently. The side of the cross beam 332 facing the conveying direction S is provided with a hinge 333, the turning rake 334 is rotatably mounted on the cross beam 332 by the hinge 333, and the rotation axis of the turning rake 334 extends in the width direction of the magnetic separation conveying belt 311. In this way, the turning device 33 is arranged between the two hanging magnetic attraction devices 313, so that the scraps can be turned over, the scraps on the magnetic separation conveying belt 311 can be discharged, accumulation is avoided, the overall magnetic separation effect is improved, the turning rake 334 is rotatably arranged on the turning frame, the turning rake can be rotated by large scraps, and the phenomenon that the scraps cannot be turned over to cause clamping accumulation is avoided.

In other embodiments, the rake 334 may be secured to the cross beam 332 as may be practical. In other embodiments, the rake 334 may be pivotally mounted to the cross member 332 by a pivot axis, as may be appropriate for actual use.

Preferably, in this embodiment, as shown in fig. 2, a height limiting device 32 is disposed at the feeding end of the magnetic separation module 3, and specifically, the height limiting device 32 is disposed at the feeding end of the magnetic separation mechanism 31 above, so that the height of the incoming materials entering the magnetic separation can be limited by the height limiting device 32, and the accumulated scraps on the height can be discharged, so that accumulation is avoided, and the subsequent magnetic separation is facilitated. In other embodiments, a height limiting device 32 may be disposed at the feeding end of each magnetic separation mechanism 31, so as to avoid the impact of the deposited scraps in the upper magnetic separation mechanism 31 on the overall magnetic separation effect.

In the present embodiment, as shown in fig. 2, two ends of the magnetic separation frame 312 of each magnetic separation mechanism 31 are respectively provided with a magnetic separation rotation shaft, and the magnetic separation conveying belt 311 is wound on the magnetic separation rotation shaft to realize conveyance.

Preferably, in this embodiment, the magnetic separation rotating shaft at the discharge end of the magnetic separation mechanism 31 is a magnetic roller rotating shaft 314, and when the scraps are moved to the position of the magnetic roller rotating shaft 314 by the magnetic separation conveying belt 311, the metal impurities which are not adsorbed by the suspension magnetic attraction 313 can be further adsorbed by the magnetic roller rotating shaft 314, so that in the single magnetic separation mechanism 31, the metal impurities in the scraps can be magnetically separated for three times, and the magnetic separation effect is improved. Specifically, in the present embodiment, the multi-point magnetic field strength of the lower surface of the suspension magnet 313 is greater than 4000 gauss, and the magnetic field strength of the surface of the magnet roller shaft 314 is greater than 9000 gauss.

In this embodiment, as shown in fig. 2, the magnetic separation mechanism 31 further includes a foreign matter collecting mechanism cooperating with the magnetic roller rotating shaft 314, and the foreign matter collecting mechanism is used for collecting the metal foreign matter adsorbed by the magnetic roller rotating shaft 314.

Specifically, at the position of the magnetic separation mechanism 31 below the magnetic roller rotating shaft 314, an inclined plate 315 extending obliquely away from the conveying direction S is provided, the length of the inclined plate 315 in the conveying direction S is greater than the diameter of the magnetic roller rotating shaft 314, and the upper end of the inclined plate 315 is disposed near the end of the magnetic separation mechanism 31, the lower part of the inclined plate 315 exceeds the adsorption range of the magnetic roller rotating shaft 314 and is provided with a receiving disc 316, and both the receiving disc 316 and the inclined plate 315 are fixed on the magnetic separation frame 312. Thus, the metal impurities in the scraps are adsorbed by the magnetic roller rotating shaft 314, are carried away to the lower part of the conveying belt, can enter the inclined plate 315 and fall into the receiving disc 316, and are collected. In other embodiments, the foreign matter collection mechanism may also be a drawer that is disposed below the magnetic roller shaft 314 and is capable of being pulled, and the metal impurities in the magnetic roller shaft 314 may drop into the drawer to complete collection.

In this embodiment, as shown in fig. 2, the selecting unit 1 further includes a vibratory feeder 6, two ends of the vibratory feeder 6 are respectively connected with the cleaning and drying module and the magnetic separation module 3, and a discharge end of the vibratory feeder 6 is obliquely arranged toward a feed end of the magnetic separation module 3. The magnetic separation module 3 further comprises a discharge hopper 21 arranged at the tail end of the magnetic separation module, wherein the discharge hopper 21 is inclined downwards and is wide in upper part and narrow in lower part, so that splashing of scraps can be limited.

In this embodiment, after the scraps are discharged from the discharge hopper 21, as shown in fig. 3, the scraps are conveyed to the identification and separation conveyor belt 23 for color separation and low density separation. Specifically, as shown in fig. 3, the recognition module 4 includes three sets of recognition cameras 41 disposed near the end of the recognition separation conveyor belt 23, and color selection of the scraps is accomplished by the recognition cameras 41. Specifically, the three sets of recognition cameras 41 are arranged at equal angle intervals along the conveying direction S, and the irradiation routes of the three sets of recognition cameras are converged at one point of the recognition separation conveyor belt 23, so that the recognition effect is ensured. Of course, in other embodiments, the number of the recognition cameras 41 may be set according to actual requirements, such as 2 groups, 4 groups, etc., and even only 1 group may be set when the requirements are satisfied.

In the present embodiment, the impurity separating module 5 includes an air classifier 51 and a chip separating chute 52, specifically, as shown in fig. 3, the air classifier 51 is disposed on a side facing away from the identification-separation conveyer belt 23, and an air outlet of the air classifier 51 is disposed below the identification conveyer belt with its air outlet direction facing the identification-separation conveyer belt 23 and parallel to the conveying direction S. The chip separating chute 52 is disposed between the identification and separation conveyer 23 and the air classifier 51, the chip separating chute 52 includes a first chute 521 and a second chute 522 extending opposite to each other in the conveying direction S, and the first chute 521 interfaces with the upper end of the second chute 522, so that when the chip is thrown off through the discharge end of the identification and separation conveyer 23, the low-density impurities can be blown off to the first chute 521 by the air classifier 51, and the high-density usable chip can be dropped to the second chute 522, completing the identification and separation. In this embodiment, the carrying-out ratio of the impurity separating module 5 is 1 to 4, and blowing out one bad impurity can carry out four good materials.

In this embodiment, after passing through the identification and separation module, as shown in fig. 6 and 7, the chip material may be transported to the sampling and distribution unit 8 through the second chute 522, and sampling and distribution are completed by the sampling and distribution unit 8.

Specifically, the sampling and distributing unit 8 comprises a sampling and distributing frame 81, a sampling and distributing conveying belt 82 is arranged in the middle of the height of the sampling and distributing frame, and materials at the discharging end of the selecting unit 1 are conveyed to the sampling and distributing conveying belt 82 through the conveying belt. A hanging magnet 313 is also arranged above the sampling cloth conveyer 82 to carry out secondary magnetic separation. The sampling cloth frame 81 is provided with a sampling beam 816 near the position of the sampling cloth conveyor 82 end, the extending direction of the sampling beam 816 is perpendicular to the conveying direction S, a sampling arm 83 is provided on the sampling beam 816, and the sampling arm 83 can slide along the extending direction of the sampling beam 816. A sampling barrel 85 is arranged on one side of the sampling cloth conveyor belt 82, and the sampling arm 83 can sample and place the scraps on the sampling conveyor belt into the sampling barrel 85 for detection. A detection position 814 is provided on the side of the sampling conveyor facing away from the sampling tub 85, and the sampling arm 83 can place sample scraps at the detection position 816 for detection by a worker.

In this embodiment, a material distributing unit is disposed at an output end of the sampling conveyer belt, specifically, the material distributing unit includes a finished product tray 812, four finished product buckets 813 are disposed above the finished product tray 812 in a circumferential array, a temporary storage hopper 84 is disposed at a discharge end of the sampling conveyer belt, two motors are respectively disposed at two ends of the temporary storage hopper 84 perpendicular to the conveying direction S, and the two motors can drive the temporary storage hopper 84 to move along the direction perpendicular to the conveying direction S. The temporary storage hopper 84 is provided with a gate, and the product bucket 813 is positioned right below the temporary storage hopper 84, so that the product scraps on the sampling conveyor belt are firstly conveyed to the temporary storage hopper 84, and then fall into the product bucket 813 through the temporary storage hopper 84.

In this embodiment, a slewing bearing 811 is disposed at the lower end of the finished product tray 812, a slip ring 89 and a linear bearing 810 are disposed on the slewing bearing 811, and the slewing bearing 811 is connected with a variable frequency motor 87 through a transmission structure 815, so that the variable frequency motor 87 rotates to drive the finished product tray 812 to rotate, and further different finished product buckets 813 are disposed below the temporary storage hopper 84 to complete the distribution.

In this embodiment, the position of the sampling and distributing frame 81 corresponding to the product barrels 813 is provided with a position sensor 86, after the first product barrel 813 is distributed, the product tray 812 rotates, when the position sensor 86 captures the second product barrel 813, the product tray 812 stops rotating, the temporary storage hopper 84 is opened to continue blanking, and the four product barrels 813 are filled in sequence to finish distribution. In this embodiment, the sampling cloth unit 8 is further provided with an alarm device, which is started when the cloth is completed, reminds the staff, automatically controls the full line stop, and retains the manual control. Waiting for the finished product bucket 813 to leave the production line for forklift and the like to be carried, and starting the next production.

In this embodiment, as shown in fig. 1, a sorting unit is further disposed between the feeding end of the production line and the crushing and screening unit, where the sorting unit includes a metal detector, and the sorting unit is configured to unpack the incoming material and perform a material gap with the metal detector to determine the incoming material license plate and batch.

In this embodiment, the crushing and screening unit includes a coarse crushing module, a fine crushing module, and a size screening module. The coarse crushing module comprises a double-roller crusher, the fine crushing module comprises a hammer crusher with a screen, the size screening module comprises a linear screening machine with a double-layer screen, the double-layer screen can screen oversized materials with the side length of more than 25mm and fine materials with the side length of less than 3mm, the oversized materials are continuously put into crushing after being collected, and the fine materials are conveyed to the cleaning and rinsing module.

During actual use, the scraps to be crushed are put into the double-roller crusher through the hopper, enter the buffer hopper after being crushed, fall into the hammer crusher for crushing, and particularly automatically stop crushing when the load of the hammer crusher motor reaches 80%, and automatically start the double-roller crusher to continue crushing until the load of the hammer crusher is less than 30% and is as long as 8 seconds. The crushed materials fall into a large-scale vibration feeder, and the feeding speed is controlled to be 400-600kg/h, so that the crushed materials are put into a size screening module for screening. The size screening module uses a drum screen to fully screen, and comprises two sections of screens with different meshes, so as to complete screening of oversized materials and fine materials.

In this embodiment, the cleaning and rinsing module comprises a three-section crawler transmission box, wherein spraying, ultrasonic cleaning, ultrasonic rinsing and wind cutting are contained. The special washing liquid is used in washing, and the washing liquid comprises 5 to 9 percent of sodium carbonate, 15 to 29 percent of sodium bicarbonate and 3.5 to 4.5 percent of sodium metasilicate by mass percent.

In the embodiment, the cleaning temperature is 60-70 ℃, the cleaning rinsing time is 21-25min, the end of the cleaning rinsing module is provided with sampling cleanliness detection, the sampling is put into a sampling box through timing automatic or manual control by a mechanical arm, a inspector is reminded of taking a sample, and the inspector adopts a chemical analysis method to analyze the cleaning effect. When the turbidity and oil content of the washing liquid reach set values, the automatic brake is opened and discharged into a sewage treatment recycling module, and 90% reclaimed water recycling can be realized after treatment, so that sludge cakes are produced. The cleaned scraps enter a drying module which is in a caterpillar track passing mode and is provided with air cutting and circulating hot air drying, and the drying temperature is between 130 and 150 ℃.

In this embodiment, in order to detect the drying effect, a moisture detecting device 7 as shown in fig. 8 is provided at the discharge end of the drying module, i.e., the discharge end of the cleaning and drying unit. The moisture detecting device 7 includes a moisture detecting sensor 71, and the moisture detecting sensor 71 is configured to detect moisture on the surface of the dried chip.

In this embodiment, the moisture detecting device 7 preferably further includes a transmission mechanism 74, and the transmission mechanism 74 is used to drive the moisture detecting sensor 71 to move up and down. Specifically, the transmission mechanism 74 includes a driving motor 741, an output end of the driving motor 741 is connected with a vertical transmission rod 743 through a reversing transmission 742, a mounting plate 73 is fixed to a lower end of the vertical transmission rod 743, and the moisture detection sensor 71 is fixedly mounted on a lower side surface of the mounting plate 73. Thus, the driving motor 741 can drive the mounting plate 73 to move up and down, and further drive the moisture detection sensor 71 to move up and down, so that the moisture detection of the scraps with different particle diameters can be facilitated.

In this embodiment, the transmission mechanism 74 may be a rack-and-pinion mechanism, one end of the pinion is rotation-stopped mounted on the output shaft of the driving motor 741, the rack is engaged with the pinion and the rack is fixed to the vertical transmission rod 743. In this way, the rack is driven to move up and down by the gear, and then the vertical transmission rod 743 is driven to move up and down.

A pressure sensor 72 is also mounted on the lower side surface of the mounting plate 73, and in this embodiment, the pressure sensor 72 is disposed one on each side of the moisture detection sensor 71, and the lower end of the pressure sensor 72 is not lower than the moisture detection sensor 71. And the line connecting the two pressure sensors 72 is perpendicular to the conveying direction S of the chip material.

The lower end of the pressure sensor 72 is provided with a contact, and the pressure of the pressure sensor 72 pressed against the chip is 10Pa to 20Pa to ensure that the pressure sensor 72 contacts the pressed chip. Thus, the pressure sensor 72 ensures that the chip to be detected is in sufficient contact with the moisture detection sensor 71, and prevents the chip from moving during detection, thereby ensuring detection accuracy.

Through moisture detection device 7, can detect the surface moisture of the chip after drying, and the staff can judge whether chip surface moisture reaches the requirement according to the detection information, does not reach the chip of requirement and dries again, guarantees that chip surface moisture after drying reaches the standard, avoids when the selection technology of follow-up selection unit 1, because chip surface moisture influences the selection, influences actual recovery processing's chip quality.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Claims (10)

1. The nickel-based superalloy chip material recycling production line is characterized by comprising a production line feeding end and a production line discharging end, wherein a crushing and screening unit for crushing and screening the chip materials is sequentially arranged between the production line feeding end and the production line discharging end; the cleaning and drying unit is used for cleaning and drying the screened scraps; a selecting unit for selecting the dried scraps; the sampling and distributing unit is used for sampling and distributing the selected scraps;

the sorting unit comprises a magnetic separation module, an identification module and an impurity separation module which are sequentially arranged along the conveying direction, wherein the magnetic separation module comprises at least two magnetic separation mechanisms which are separated along the height direction, the identification module is used for carrying out color sorting on the scraps, and the impurity separation module is used for separating low-density impurities in the scraps.

2. The nickel-based superalloy chip recycling production line according to claim 1, wherein the magnetic separation mechanism comprises a magnetic separation frame, a magnetic separation conveying belt is arranged on the magnetic separation frame, and at least one suspension magnetic attraction is arranged above the magnetic separation conveying belt.

3. The nickel-based superalloy chip recycling production line according to claim 2, wherein at least two suspension magnets are arranged above the magnetic separation conveyor belt at intervals along the conveying direction, and a turning device is arranged between at least one pair of adjacent suspension magnets.

4. The nickel-base superalloy scrap recycling production line according to claim 3, wherein the turning device comprises a turning frame arranged above the magnetic separation conveyor belt, and a plurality of turning rakes are arranged at intervals along the width direction of the magnetic separation conveyor belt at positions corresponding to the magnetic separation conveyor belt.

5. The nickel-base superalloy chip recycling process line according to claim 4, wherein the turning rake is rotatably mounted on a turning rack, and a rotation axis of the turning rake extends in a magnetic separation conveyor belt width direction.

6. The nickel-based superalloy chip material recycling production line according to claim 2, wherein magnetic separation rotating shafts are respectively arranged at two ends of the magnetic separation frame, the magnetic separation conveying belt is wound on the two magnetic separation rotating shafts, the magnetic separation rotating shaft at the discharge end of the magnetic separation mechanism is a magnetic roller rotating shaft, and a foreign matter collecting mechanism is further arranged on the magnetic separation mechanism and used for collecting foreign matters adsorbed by the magnetic roller rotating shaft.

7. The nickel-based superalloy chip material recycling production line according to claim 6, wherein each of the magnetic separation mechanisms is arranged at intervals in a conveying direction, and opposite ends of adjacent magnetic separation mechanisms are arranged in a height overlapping manner, and the foreign matter collection mechanism includes a sloping plate integrally arranged below the magnet roller rotating shaft and a receiving tray arranged at a lower end of the sloping plate.

8. The nickel-based superalloy chip recycling production line according to claim 2, wherein the feeding end of the magnetic separation module is provided with a height limiting device, and the height limiting device is used for limiting the height of incoming materials and avoiding chip accumulation.

9. The nickel-base superalloy chip recycling production line according to claim 1, wherein the selecting unit further comprises a vibrating feeder, two ends of the vibrating feeder are respectively connected with the cleaning and drying unit and the magnetic separation module, and the vibrating feeder is obliquely arranged towards the feeding end of the magnetic separation module.

10. The nickel-based superalloy chip recycling production line according to claim 1, wherein the identification module comprises a plurality of groups of identification cameras, the irradiation routes of the plurality of groups of identification cameras are converged at one point, the plurality of groups of identification cameras are arranged at equal angle intervals along the conveying direction, the impurity separation module comprises an air separator and a chip separation slideway, the chip separation slideway comprises a first slideway and a second slideway which extend obliquely in opposite directions, and the air separator is used for blowing low-density impurities in the chip to the first slideway.