Iron tailing coarse aggregate crushing and screening device

Abstract

The utility model provides an iron tailing coarse aggregate crushing and screening device which comprises an iron tailing coarse aggregate crushing device, an iron tailing coarse aggregate screening device is arranged on one side of the iron tailing coarse aggregate crushing device, and an iron tailing coarse aggregate conveying device is arranged between the iron tailing coarse aggregate crushing device and the iron tailing coarse aggregate screening device. The iron tailing coarse aggregate crushing device comprises a coarse aggregate crushing roller, a feeding port is formed in the upper end of the coarse aggregate crushing roller, a discharging hopper is arranged at the lower end of the coarse aggregate crushing roller, and the outer side of the coarse aggregate crushing roller is fixedly installed on a crushing supporting frame. In addition, accurate grading of the coarse aggregate of the iron tailings can be achieved, and the utilization efficiency of the iron tailings is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mineral equipment technical field, concretely is a kind of iron tailing coarse aggregate crushing and screening device. BACKGROUND

[0002] Iron tailing is the waste after mineral processing, and is the main component of industrial solid waste. According to incomplete statistics, the tailings and waste rock discharged worldwide each year are more than 10 billion tons, and tailings can be utilized through sand making machines and sand making equipment under specific economic and technical conditions. The solid waste discharged after grinding and selecting useful components of ore is an important source of environmental pollution caused by mining development, especially metal mining development. Discarding tailings not only requires a large amount of land, causing great harm to the surrounding ecological environment, but also requires investment in respective treatment and maintenance costs. Comprehensive recovery and utilization of tailings resources not only can make full use of mineral resources, expand the scope of utilization of mineral resources, and extend the service life of mines; but also is an important means of pollution control and ecological protection; can also save a lot of land and funds, solve the employment problem, benefit human society, and realize the effective unity of resource benefit, economic benefit, social benefit and environmental benefit. After years of research, tailings are applied to the production of building materials and the production of machine-made sand.

[0003] A Chinese patent discloses an iron tailing coarse aggregate crushing and screening device (application number: 202321876721.X) which includes a box body, the box body includes a crushing chamber located at the upper part and a screening chamber located at the lower part, a group of crushing rollers are arranged in the crushing chamber, a screen is arranged in the screening chamber, one side of the screen is connected to the inner wall of the box body through a vibration damping mechanism, and the other side is fixed to a pneumatic cylinder, the pneumatic cylinder is arranged on the outer wall of the box body, the screen passes through the box body and is connected to the piston rod of the pneumatic cylinder, a fan is arranged on one side of the screening chamber, and a heating coil is arranged at the front end of the fan. It not only has low crushing efficiency, but also has poor screening precision. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is to provide an iron tailing coarse aggregate crushing and screening device to solve the problems in the above background technology.

[0005] The technical problems solved by the utility model adopt the following technical scheme to be realized: a kind of iron tailing coarse aggregate crushing and screening device, it includes: iron tailing coarse aggregate crushing device, the one side of iron tailing coarse aggregate crushing device is equipped with iron tailing coarse aggregate screening device, iron tailing coarse aggregate conveying device is equipped between iron tailing coarse aggregate crushing and iron tailing coarse aggregate screening device, the iron tailing coarse aggregate crushing device includes coarse aggregate crushing roller, the upper end of coarse aggregate crushing roller is equipped with feeding port, the lower end of coarse aggregate crushing roller is equipped with discharge hopper, coarse aggregate crushing roller is fixedly installed on crushing support frame outside, coarse aggregate crushing roller is connected on the output end of crushing motor by transmission belt, the shell of crushing motor is fixedly installed on crushing support frame, the feeding port is equipped with feeding hopper, feeding hopper is installed on feeding port by fixed bolt, the discharge end of discharge hopper is arranged on the feed end of iron tailing coarse aggregate conveying device, the feed end of iron tailing coarse aggregate screening device is arranged on the discharge end of iron tailing coarse aggregate conveying device.

[0006] Further, the coarse aggregate crushing roller includes a crushing roller shell, a crushing drive roller is arranged in the crushing roller shell, a plurality of crushing hammer plates are arranged on the crushing drive roller, and the crushing drive roller is installed on the crushing roller shell through rotary support seats at both ends.

[0007] Further, the crushing roller shell includes an upper shell and a lower shell, the upper shell and the lower shell are symmetrically arranged, and the upper shell and the lower shell are fixedly installed through fixed bolts.

[0008] Further, a plurality of crushing inner lining plates are arranged in the coarse aggregate crushing roller, and the crushing inner lining plates are installed in the coarse aggregate crushing roller through fixed bolts.

[0009] Further, the iron tailing coarse aggregate conveying device includes a conveying belt, one end of the conveying belt is installed on a conveying support through a drive roller, and the other end of the conveying belt is installed on the conveying support through a support roller.

[0010] Further, a receiving hopper is arranged on the upper side of the feed end of the conveying belt, a plurality of guide rollers are arranged in the middle of the conveying belt, and one end of the drive roller is connected to the output end of a conveying drive motor through a coupling.

[0011] Further, the iron tailing coarse aggregate screening device includes a screening support frame, a vibrating screening frame is arranged on the upper end of the screening support frame, a vibrating drive device is arranged on one side of the vibrating screening frame, the vibrating drive device is installed on the screening support frame through a drive device mounting bracket, and the vibrating screening frame is installed on the screening support frame through a supporting spring.

[0012] Further, the vibrating screen frame is provided with a screening plate I, a screening plate II and a screening plate III, the screening plate I, the screening plate II and the screening plate III are arranged in parallel, the screening plate I, the screening plate II and the screening plate III are arranged obliquely, and the screening plate I, the screening plate II and the screening plate III are provided with a discharging guide hopper at lower ends.

[0013] Compared with the prior art, the iron tailing coarse aggregate crushing device has the advantages that the iron tailing coarse aggregate can be quickly and efficiently crushed, and the iron tailing coarse aggregate can be accurately graded, so that the utilization efficiency of the iron tailing is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model.

[0015] Fig. 2 It is a structural schematic view of the iron tailing coarse aggregate crushing device.

[0016] Fig. 3 It is a structural schematic view of the coarse aggregate crushing roller.

[0017] Fig. 4 It is a structural schematic view of the iron tailing coarse aggregate screening device.

[0018] Fig. 5 It is a structural schematic view of the iron tailing coarse aggregate conveying device. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings, and it should be noted that, in the description of the utility model, unless otherwise clearly defined and limited, the terms "mounting", "connection" and "connecting" should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or integral connection, can be mechanical connection, or electrical connection, can be direct connection, or indirect connection through an intermediate medium, or internal connection of two elements.

[0020] Example 1

[0021] As Figs. 1-5As shown in the figure, a kind of iron tailing coarse aggregate crushing screening device, including: iron tailing coarse aggregate crushing device 1, one side of the iron tailing coarse aggregate crushing device 1 is equipped with iron tailing coarse aggregate screening device 3, and iron tailing coarse aggregate conveying device 2 is equipped between the iron tailing coarse aggregate crushing 1 and iron tailing coarse aggregate screening device 3, the iron tailing coarse aggregate crushing device 1 includes coarse aggregate crushing roller 11, the upper end of the coarse aggregate crushing roller 11 is equipped with feeding port 12, the lower end of the coarse aggregate crushing roller 11 is equipped with discharge hopper 13, the outer side of the coarse aggregate crushing roller 11 is fixedly installed on crushing support frame 14, and the coarse aggregate crushing roller 11 is connected to the output end of crushing motor 15 by transmission belt, the shell of the crushing motor 15 is fixedly installed on the crushing support frame 14, the feeding port 12 is equipped with feeding hopper 16, the feeding hopper 16 is installed on the feeding port 12 by fixed bolt, and the discharge end of the discharge hopper 13 is arranged on the feeding end of the iron tailing coarse aggregate conveying device 2, and the discharge end of the iron tailing coarse aggregate conveying device is arranged on the feeding end of the iron tailing coarse aggregate screening device 3. The coarse aggregate crushing roller 11 includes crushing roller shell 111, the crushing roller shell 111 is equipped with crushing drive roller 112, the crushing drive roller 112 is equipped with a plurality of crushing hammer plates 113, and the crushing drive roller 112 is installed on the crushing roller shell 111 by rotating support seat 116. The crushing roller shell 111 includes upper shell and lower shell, the upper shell and the lower shell are symmetrically arranged, and the upper shell and the lower shell are fixedly installed by fixed bolt, and the upper shell and the lower shell are installed on the crushing support frame 14. A plurality of crushing inner lining plates 114 are arranged in the coarse aggregate crushing roller 11, and the crushing inner lining plates 114 are installed in the coarse aggregate crushing roller 11 by fixed bolt.

[0022] Example 2

[0023] As Figs. 1-5 shown, a kind of iron tailing coarse aggregate crushing screening device, including: iron tailing coarse aggregate crushing device 1, one side of the iron tailing coarse aggregate crushing device 1 is equipped with iron tailing coarse aggregate screening device 3, and iron tailing coarse aggregate conveying device 2 is equipped between the iron tailing coarse aggregate crushing 1 and iron tailing coarse aggregate screening device 3, the iron tailing coarse aggregate conveying device 2 includes conveying belt 31, one end of the conveying belt 31 is installed on transmission support 33 by drive roller 34, and the other end is installed on transmission support 33 by support roller 35. The upper side of the feeding end of the conveying belt 31 is equipped with receiving hopper 36, the middle part of the conveying belt 31 is equipped with a plurality of guide rollers 32, and one end of the drive roller 34 is connected to the output end of transmission drive motor 37 by coupling.

[0024] Example 3

[0025] As Figs. 1-5As shown, a kind of iron tailings coarse aggregate crushing screening device, including: iron tailings coarse aggregate crushing device 1, one side of the iron tailings coarse aggregate crushing device 1 is equipped with iron tailings coarse aggregate screening device 3, and iron tailings coarse aggregate conveying device 2 is equipped between the iron tailings coarse aggregate crushing 1 and iron tailings coarse aggregate screening device 3, the iron tailings coarse aggregate screening device 3 includes screening support frame 21, the upper end of the screening support frame 21 is equipped with vibrating screening frame 22, one side of the vibrating screening frame 22 is equipped with vibration driving device 26, and vibrating driving device 26 is installed on screening support frame 21 by driving device mounting bracket 27, and the vibrating screening frame 22 is installed on screening support frame 21 by support spring.The vibrating screening frame 22 is equipped with screening plate I 23, screening plate II 24 and screening plate III 25, the screening plate I 23, screening plate II 24 and screening plate III 25 are arranged in parallel, the screening plate I 23, screening plate II 24 and screening plate III 25 are arranged obliquely, and the lower end of the screening plate I 23, screening plate II 24 and screening plate III 25 is equipped with discharge guide hopper.

[0026] The iron tailings coarse aggregate crushing device 1 of the utility model is equipped with iron tailings coarse aggregate screening device 3 on one side, and iron tailings coarse aggregate conveying device 2 is equipped between the iron tailings coarse aggregate crushing 1 and iron tailings coarse aggregate screening device 3, so that not only the rapid and efficient crushing of iron tailings coarse aggregate can be realized, but also the accurate grading of iron tailings coarse aggregate can be realized, and the utilization efficiency of iron tailings is greatly improved.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crushing and screening device for coarse aggregate from iron tailings, comprising: A coarse aggregate crushing device (1) for iron tailings is characterized in that: a coarse aggregate screening device (3) for iron tailings is provided on one side of the coarse aggregate crushing device (1), a coarse aggregate conveying device (2) for iron tailings is provided between the coarse aggregate crushing device (1) and the coarse aggregate screening device (3), the coarse aggregate crushing device (1) for iron tailings includes a coarse aggregate crushing drum (11), a feeding port (12) is provided at the upper end of the coarse aggregate crushing drum (11), a discharge hopper (13) is provided at the lower end of the coarse aggregate crushing drum (11), and a fixed installation is provided on the outer side of the coarse aggregate crushing drum (11). On the crushing support frame (14), the coarse aggregate crushing drum (11) is connected to the output end of the crushing motor (15) via a transmission belt. The housing of the crushing motor (15) is fixedly installed on the crushing support frame (14). A feeding hopper (16) is provided on the feeding port (12). The feeding hopper (16) is installed on the feeding port (12) by fixing bolts. The discharge end of the discharge hopper (13) is set on the feed end of the iron tailings coarse aggregate conveying device (2). The discharge end of the iron tailings coarse aggregate conveying device is set on the feed end of the iron tailings coarse aggregate screening device (3).

2. The iron tailings coarse aggregate crushing and screening device according to claim 1, characterized in that: The coarse aggregate crushing drum (11) includes a crushing drum shell (111), and a crushing drive roller (112) is provided inside the crushing drum shell (111). The crushing drive roller (112) is provided with a plurality of crushing hammer plates (113). The two ends of the crushing drive roller (112) are mounted on the crushing drum shell (111) through rotating support seats (116).

3. The iron tailings coarse aggregate crushing and screening device according to claim 2, characterized in that: The crushing drum housing (111) includes an upper housing and a lower housing, which are symmetrically arranged and fixed together by fixing bolts. The upper housing and the lower housing are mounted on the crushing support frame (14).

4. The iron tailings coarse aggregate crushing and screening device according to claim 1, characterized in that: The coarse aggregate crushing drum (11) is provided with several crushing liners (114), which are installed inside the coarse aggregate crushing drum (11) by fixing bolts.

5. The iron tailings coarse aggregate crushing and screening device according to claim 1, characterized in that: The iron tailings coarse aggregate conveying device (2) includes a conveyor belt (31), one end of which is mounted on the conveyor support (33) via a drive roller (34), and the other end is mounted on the conveyor support (33) via a support roller (35).

6. The iron tailings coarse aggregate crushing and screening device according to claim 5, characterized in that: The upper side of the feed end of the conveyor belt (31) is provided with a receiving hopper (36), and a number of guide rollers (32) are provided in the middle of the conveyor belt (31). One end of the drive roller (34) is connected to the output end of the conveyor drive motor (37) through a coupling.

7. The iron tailings coarse aggregate crushing and screening device according to claim 1, characterized in that: The iron tailings coarse aggregate screening device (3) includes a screening support frame (21), a vibrating screening frame (22) is provided at the upper end of the screening support frame (21), a vibration drive device (26) is provided on one side of the vibrating screening frame (22), the vibration drive device (26) is installed on the screening support frame (21) through a drive device mounting frame (27), and the vibrating screening frame (22) is installed on the screening support frame (21) through a support spring.

8. The iron tailings coarse aggregate crushing and screening device according to claim 7, characterized in that: The vibrating screen frame (22) is provided with screen plate I (23), screen plate II (24), and screen plate III (25). The screen plates I (23), II (24), and III (25) are arranged in parallel. The screen plates I (23), II (24), and III (25) are arranged at an angle. The lower end of the screen plates I (23), II (24), and III (25) is provided with a discharge guide hopper.

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