CN217663907U

CN217663907U - Functional type steel mill waste recycling apparatus

Info

Publication number: CN217663907U
Application number: CN202221859124.1U
Authority: CN
Inventors: 池淡辉
Original assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co ltd
Current assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-10-28
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a functional steel plant waste recycling device, which comprises a screening and impurity removing machine, a shearing and crushing machine, a cleaning machine, a drying machine, a packing machine and a preheating furnace which are arranged in sequence, wherein the screening and impurity removing machine comprises a primary screening mechanism and a secondary screening mechanism, the primary screening mechanism comprises a magnetic separation conveying belt, a scrap iron recovery hopper and a waste conveying belt, and a material overturning assembly is erected above the magnetic separation conveying belt; the second grade screening mechanism includes an outer barrel and an inner screen barrel, a gear transmission assembly for driving the inner screen barrel to rotate is arranged in the outer barrel, one end of the inner screen barrel is provided with an inlet pipe communicated with a scrap iron recovery hopper, the other end of the inner screen barrel is provided with a discharge pipe communicated with a shearing crusher, sealing plates are installed at two ends of the outer barrel, and an air exhaust mechanism is installed on the outer side between the two sealing plates. The device has the advantages of high automation degree, good screening effect, high sorting efficiency, low labor cost and good use effect, and can produce better economic and social benefits.

Description

Functional type steel mill waste recycling apparatus

Technical Field

The utility model relates to a steelmaking technical field, concretely relates to functional type steel mill waste recycling recycles device.

Background

The steel scrap refers to discarded ironwork and leftover materials and steel materials in used and scrapped equipment and components, and the steel scrap is called scrap steel; the component is pig iron called scrap iron, which can be called scrap steel. Iron and steel scrap can be recycled and processed for reuse, iron is one of metal elements and is also an important raw material in industrial production, and the so-called scrap iron can be regenerated. Therefore, the adoption of steel scrap to smelt steel also becomes the preferred process in the current steelmaking industry. The existing iron-containing waste materials mainly comprise raw materials such as scrap steel, scrap iron, machine pig iron, iron slag briquettes, scrap iron and the like, and the raw materials are inevitably mixed with impurities such as plastics, waste paper, sludge and the like after being collected. In current technique, by the influence of cost and smelting production line, the mode of edulcoration is mainly all adopted to manual selection to the preliminary treatment of steel scrap in most steel mills, and artifical edulcoration is not only inefficiency, and intensity of labour is big moreover, and too much manual input leads to the running cost to increase moreover. Therefore, it is objectively needed to develop a functional steel plant waste recycling device with reasonable design, high automation degree, high efficiency and good use effect.

Disclosure of Invention

An object of the utility model is to provide a reasonable in design, degree of automation is high, efficient, excellent in use effect's functional type steel mill waste recycling device.

The utility model aims at realizing the method, which comprises a screening shaker, a shearing crusher, a cleaning machine, a dryer, a packer and a preheating furnace which are arranged in sequence, wherein the screening shaker comprises a primary screening mechanism and a secondary screening mechanism, the primary screening mechanism comprises a magnetic separation conveyer belt, a scrap iron recovery hopper and a waste material conveyer belt, a material turning component is erected above the magnetic separation conveyer belt, the feed end of the waste material conveyer belt is positioned below the discharge end of the magnetic separation conveyer belt, and the scrap iron recovery hopper is positioned below the middle part of the magnetic separation conveyer belt; the second grade screening mechanism includes an outer barrel and an inner screen barrel, the inner screen barrel is coaxially rotated and installed in the outer barrel, a gear transmission assembly for driving the inner screen barrel to rotate is arranged in the outer barrel, one end of the inner screen barrel is provided with a feeding pipe communicated with a scrap iron recovery hopper, the other end of the inner screen barrel is provided with a discharging pipe communicated with a shearing crusher, sealing plates are installed at two ends of the outer barrel, and an air exhaust mechanism is installed on the outer side between the two sealing plates.

Further, the magnetic separation conveyer belt includes conveyer belt body and the driver of drive conveyer belt body removal, is provided with the electro-magnet on the conveyer belt body, and the inboard of conveyer belt body is provided with the electric rail with conveyer belt body sliding contact, and the conveyer belt body inboard of scrap iron recovery fill top does not set up the electric rail.

Further, the stirring assembly comprises a support frame and a rotating shaft rotatably mounted on the support frame, the rotating direction of the rotating shaft is perpendicular to the moving direction of the magnetic separation conveying belt, a plurality of stirring rods are uniformly distributed on the rotating shaft, and a plurality of hook teeth are arranged on each stirring rod.

Further, the outer cylinder and the inner screen cylinder are arranged obliquely downwards along the end from the feeding pipe to the end of the discharging pipe, and the inclination angle of the outer cylinder and the inner screen cylinder is 10-20 degrees.

Further, the gear transmission assembly comprises an outer gear ring, a driving gear and a driving motor, the outer gear ring is installed on the outer wall of the middle part of the inner screen cylinder, the driving motor is installed in the outer cylinder body, and the driving gear is installed on an output shaft of the driving motor and is meshed with the outer gear ring.

Further, the both ends of an interior sieve section of thick bamboo are provided with the guide awl with inlet pipe and discharging pipe intercommunication, and an interior sieve section of thick bamboo sets to multistage formula structure, and the sieve mesh size of a sieve section of thick bamboo increases from the inlet pipe end to the discharging pipe end in proper order in the multistage. Preferably, the shape of the sieve holes on each section of the inner sieve cylinder can be more than two of a round hole type, a line hole type and a polygonal hole type.

Further, the mechanism of bleeding includes intake pipe, intake pipe and fan, and the shrouding of the one end inlet pipe one end of intake pipe is connected, and the other end is connected with the fan, the one end of outlet duct is connected with the shrouding of discharging pipe one end, and the other end links to each other with the fan, be provided with on the outlet duct and connect the silo, connect the bottom and the baling press intercommunication of silo.

Compared with the prior art, the device has the advantages that: firstly, the magnetic separation conveying belt of the primary screening mechanism can complete screening separation of steel waste and non-iron waste, specifically, the magnetic separation conveying belt overturns the waste steel in the moving process, so that plastics, waste paper and the like in the waste steel are wound on the overturning and stirring assembly, magnetic waste iron materials are adsorbed on the magnetic separation conveying belt and finally enter a waste iron recovery hopper, the non-iron waste without adsorption force falls onto the waste conveying belt and is conveyed to a set position by the waste conveying belt to be stacked, the screening automation degree of the primary screening mechanism is high, the screening effect is good, the sorting efficiency is high, and the investment of labor cost is greatly reduced; secondly, the secondary magnetic separation mechanism who sets up can carry out the classified screening to the waste iron and steel that the primary magnetic separation mechanism separated out, can prevent like this that the less waste iron and steel of size from getting into to carry out the secondary crushing in the shearing rubbing crusher, can prevent like this that repeated breakage from causing the phenomenon of overgrinding, the waste iron and steel granularity when guaranteeing the packing is even, can effectually guarantee the high-efficient stable operation of whole production line, and has reasonable in design, degree of automation is high, high efficiency, excellent in use effect, can produce better economic benefits and social, and easy popularization and use.

Drawings

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

FIG. 2 is a schematic view of a screening and impurity removing machine;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1-a shear crusher, 2-a cleaning machine, 3-a dryer, 4-a packer, 5-a preheating furnace, 6-a primary screening mechanism, 61-a magnetic separation conveyer belt, 62-a waste recovery hopper, 63-a waste conveyer belt, 64-an electromagnet, 65-an electric rail, 67-a rotating shaft, 68-a turning rod, 7-a secondary screening mechanism, 71-an outer cylinder body, 72-an inner screen cylinder, 73-a feeding pipe, 74-a discharging pipe, 75-a sealing plate, 76-an outer gear ring, 77-a driving gear, 78-a driving motor, 79-a guide cone, 710-a feeding pipe, 711-a discharging pipe, 712-a fan and 713-a receiving tank.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and all modifications and improvements made based on the teachings of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a screening shaker that sets gradually, shearing breaker 1, cleaning machine 2, drying-machine 3, baling press 4 and preheater 5, shearing breaker 1 is used for carrying out the breakage to steel waste, and cleaning machine 2 is used for dividing the material to steel and washs, gets rid of the impurity on steel waste surface, greasy dirt etc. drying-machine 3 is used for drying the steel waste after wasing, and baling press 4 is used for packing into the iron plate that accords with the specification to steel waste, and preheater 5 sets up in front of the steelmaking furnace, is used for heating the preliminary treatment to the iron plate, screening shaker includes first-order screening mechanism 6 and second grade screening mechanism 7, first-order screening mechanism 6 includes magnetic separation conveyer belt 61, scrap recycling hopper 62 and waste conveyer belt 63, the stirring subassembly has been erect to the top of magnetic separation conveyer belt 61, the feed end of waste conveyer belt 63 is located the discharge end below of magnetic separation conveyer belt 61, scrap recycling hopper 62 is located the below in the middle part of magnetic separation conveyer belt 61; two-stage screening mechanism 7 includes an outer barrel 71 and an inner screen drum 72, an inner screen drum 72 coaxial rotation is installed in outer barrel 71, be provided with a drive inner screen drum 72 pivoted gear drive assembly in the outer barrel 71, the one end of an inner screen drum 72 is provided with the inlet pipe 73 with scrap iron recovery hopper 62 intercommunication, and the other end is provided with the discharging pipe 74 with shearing breaker 1 intercommunication, shrouding 75 is installed at the both ends of outer barrel 71, and air exhaust mechanism is installed in the outside between two shrouding 75.

The utility model discloses a theory of operation is: after the recycled steel waste enters a factory, the steel waste enters from the feeding end of the magnetic separation conveying belt 61, the magnetic separation conveying belt 61 is in the moving process, the material turning assembly turns and stirs the waste steel waste, plastics, waste paper and the like in the waste steel are wound on the material turning assembly, the magnetic waste iron material is adsorbed on the magnetic separation conveying belt 61 and finally enters the waste iron recovery hopper 62, non-iron waste without adsorption force drops onto the waste conveying belt 63 and is conveyed to a set position by the waste conveying belt 63 to be stacked, at the moment, the gear transmission assembly drives the inner screen drum 72 to rotate, the waste iron material entering the waste iron recovery hopper 62 enters the inner screen drum 72 through the feeding pipe 73, the inner screen drum 72 can perform classified screening on the preheated iron material in the rotating process, the waste iron material left in the inner screen drum 72 with large size is discharged from the inner screen drum 74 and enters the shearing crusher 1 to perform secondary crushing, the iron material after being subjected to cleaning by the cleaning machine 2, after being dried by the drying machine 3, the waste iron material left in the inner screen drum 72 with small size enters the outer screen drum 71 and enters the outer screen drum after being processed by the outer screen drum 71, and enters the secondary crushing mechanism after being processed into the secondary crushing mechanism. One-level screening mechanism and second grade screening mechanism not only degree of automation is high, and it is effectual to filter, sorts efficiently, by a wide margin the input that has reduced the cost of labor, can prevent moreover that the less iron and steel waste material of size from getting into to carry out the secondary crushing in shearing rubbing crusher 1, can prevent like this that repeated breakage from causing the phenomenon of overgrinding, the iron and steel waste material granularity when can guaranteeing the packing is even, can the high-efficient stable operation of whole production line of effectual assurance.

Further, magnetic separation conveyer belt 61 includes the conveyer belt body and the driver that the drive conveyer belt body removed, be provided with electro-magnet 64 on the conveyer belt body, electro-magnet 64 is the soft magnetic sheet that uses among the prior art, the inboard of conveyer belt body is provided with the electric rail 65 with conveyer belt body sliding contact, the conveyer belt body inboard of scrap iron recovery fill 62 top does not set up electric rail 65. Because the electromagnet 64 is connected with the electric rail 65, the electromagnet 64 with magnetism can tightly adsorb iron materials on the surface of the conveying belt body, when steel waste materials are conveyed to the discharge end of the conveying body, because the conveying belt body moves downwards, the non-iron waste materials without adsorption force drop to the waste material conveying belt 63, the iron materials are continuously adsorbed on the electromagnet 64 and are transmitted below the conveying belt body, when the steel waste materials are conveyed to the upper part of the scrap iron recycling hopper 62, because the electric rail 65 is not arranged on the scrap iron recycling hopper 62, the electromagnet 64 is not electrified and loses magnetism, the iron materials fall off from the electromagnet 64 and enter the scrap iron recycling hopper 62, and the screening and the separation of the steel waste materials are completed.

Further, the stirring subassembly includes that the support frame installs the pivot 67 on the support frame with rotating, and pivot 67 passes through the driver and drives, and the driver is the motor, and the direction of rotation of pivot 67 is perpendicular with the moving direction of magnetic separation conveyer belt 6, the equipartition is provided with a plurality of stirring poles 68 in the pivot 67, all is provided with a plurality of gullets on every stirring pole 68, and pivot 67 drives stirring pole 68 and gullet rotation in the pivoted in-process, and stirring pole 68 and gullet just can hook plastics, waste paper etc. at the pivoted in-process to reach the mesh of edulcoration.

Furthermore, in order to prevent the iron and steel waste from being blocked in the inner screen cylinder 72, the outer cylinder 71 and the inner screen cylinder 72 are arranged along the end of the feeding pipe 73 to the end of the discharging pipe 74 in a downward inclined manner, and the inclined angle is 10-20 degrees, and the outer cylinder 71 and the inner screen cylinder 72 are arranged in a downward inclined manner, so that the blocking phenomenon of the inner screen cylinder 72 can be avoided under the condition of ensuring the screening effect.

Further, gear drive assembly includes outer ring gear 76, drive gear 77 and driving motor 78, and driving motor 78 is prior art, according to the direct purchase cost of the structure of using, outer ring gear 76 is installed on the outer wall at interior sieve section of thick bamboo 72 middle part, driving motor 78 is installed in outer barrel 71, drive gear 77 install on driving motor 78's output shaft and with outer ring gear 76 intermeshing, driving motor 78 drives driving gear 77 and rotates, and driving gear 77 drives outer ring gear 76 at the pivoted in-process and rotates, and then drives interior sieve section of thick bamboo 72 and rotate.

Further, in order to improve the screening effect of the inner screen cylinder 72, two ends of the inner screen cylinder 72 are provided with guide cones 79 communicated with the feeding pipe 73 and the discharging pipe 74, the inner screen cylinder 72 is provided with a multi-section structure, and the screen hole sizes of the multi-section inner screen cylinder 72 are sequentially increased from the end of the feeding pipe 73 to the end of the discharging pipe 74. Preferably, since the recycled steel scrap has different shapes and sizes, two or more of a circular hole type, a linear hole type and a polygonal hole type can be arranged on the screen hole shape of each section of the inner screen cylinder 72, so that the screening effect can be greatly improved.

Further, the air exhaust mechanism comprises an air inlet pipe 710, an air inlet pipe 711 and a fan 712, the sealing plate 75 at one end of the inlet pipe 710 is connected with the sealing plate 75 at one end of the inlet pipe 710, the other end of the inlet pipe 710 is connected with the fan 712, one end of the air outlet pipe 711 is connected with the sealing plate 75 at one end of the discharge pipe 74, the other end of the air outlet pipe 712 is connected with the fan 712, a material receiving groove 713 is arranged on the air outlet pipe 712, the bottom of the material receiving groove 713 is communicated with the packing machine 4, relatively small waste iron materials screened out through the inner screen cylinder 72 fall into the outer cylinder 71, the fan 712 is started at the moment, the fan 712 supplies air to the outer cylinder 71 through the air inlet pipe 710, and under the action of wind, the waste iron materials in the outer cylinder 71 are discharged through the air outlet pipe 712 and enter the material receiving groove 713.

Claims

1. The utility model provides a functional type steel mill waste recycling recycles device, includes screening shaker, shearing breaker (1), cleaning machine (2), drying-machine (3), baling press (4) and preheater (5) that set gradually, its characterized in that: the screening impurity remover comprises a primary screening mechanism (6) and a secondary screening mechanism (7), wherein the primary screening mechanism (6) comprises a magnetic separation conveyer belt (61), a scrap iron recovery hopper (62) and a waste conveyer belt (63), a material turning assembly is erected above the magnetic separation conveyer belt (61), the feed end of the waste conveyer belt (63) is positioned below the discharge end of the magnetic separation conveyer belt (61), and the scrap iron recovery hopper (62) is positioned below the middle part of the magnetic separation conveyer belt (61); second grade screening mechanism (7) are including outer barrel (71) and an interior sieve section of thick bamboo (72), an interior sieve section of thick bamboo (72) coaxial rotation is installed in outer barrel (71), be provided with sieve section of thick bamboo (72) pivoted gear drive subassembly in the drive in outer barrel (71), the one end of an interior sieve section of thick bamboo (72) is provided with inlet pipe (73) with scrap iron recovery hopper (62) intercommunication, and the other end is provided with discharging pipe (74) with shearing breaker (1) intercommunication, shrouding (75) are installed at the both ends of outer barrel (71), and air exhaust mechanism is installed in the outside between two shrouding (75).

2. The functional steel mill waste recycling device according to claim 1, wherein: magnetic separation conveyer belt (61) are including conveyer belt body and the driver that the drive conveyer belt body removed, be provided with electro-magnet (64) on the conveyer belt body, the inboard of conveyer belt body be provided with conveyer belt body sliding contact's electric rail (65), the conveyer belt body inboard of scrap iron recovery hopper (62) top does not set up electric rail (65).

3. The functional steel mill waste recycling device according to claim 1, wherein: the stirring assembly comprises a support frame and a rotating shaft (67) which is rotatably installed on the support frame, the rotating direction of the rotating shaft (67) is perpendicular to the moving direction of the magnetic separation conveying belt (61), a plurality of stirring rods (68) are uniformly distributed on the rotating shaft (67), and a plurality of hook teeth are arranged on each stirring rod (68).

4. The functional steel mill waste recycling device according to claim 1, wherein: the outer cylinder body (71) and the inner screen cylinder (72) are arranged obliquely downwards from the end of the feeding pipe (73) to the end of the discharging pipe (74), and the inclination angle is 10-20 degrees.

5. The functional steel mill waste recycling device according to claim 1, wherein: the gear transmission assembly comprises an outer gear ring (76), a driving gear (77) and a driving motor (78), the outer gear ring (76) is installed on the outer wall of the middle part of the inner screen drum (72), the driving motor (78) is installed in the outer drum body (71), and the driving gear (77) is installed on an output shaft of the driving motor (78) and is meshed with the outer gear ring (76).

6. The functional steel mill waste recycling device according to claim 1, wherein: the two ends of the inner screen drum (72) are provided with guide cones (79) communicated with the feeding pipe (73) and the discharging pipe (74), the inner screen drum (72) is arranged to be of a multi-section structure, and the sizes of the screen holes of the multi-section inner screen drum (72) are sequentially increased from the end of the feeding pipe (73) to the end of the discharging pipe (74).

7. The functional steel mill waste recycling device according to claim 6, wherein: the sieve pore shape on each section of the inner sieve cylinder (72) can be more than two of a round pore type, a linear pore type and a polygonal pore type.

8. The functional type steel mill waste recycling apparatus according to claim 1, wherein: air exhaust mechanism includes intake pipe (710), outlet duct (712) and fan (711), shrouding (75) of one end inlet pipe (73) one end of intake pipe (710) are connected, and the other end is connected with fan (711), the one end of outlet duct (712) is connected with shrouding (75) of discharging pipe (74) one end, and the other end links to each other with fan (711), be provided with on outlet duct (712) and connect silo (713), connect the bottom and baling press (4) the intercommunication of silo (713).