CN214811355U - Device for crushing iron tailings - Google Patents

Abstract

The utility model discloses a device for crushing iron tailings, which comprises a shell, wherein a feed inlet is arranged above the shell, a discharge outlet is arranged below the shell, and a crushing device and a counterattack device are arranged in the shell; a feeding sieve plate is arranged below the feeding hole and is used for dividing the iron tailings entering from the feeding hole into two parts; the crushing device is positioned below the feeding sieve plate and comprises a crushing cavity and a rotary crushing device, and the rotary crushing device is positioned below the crushing cavity; the crushing cavity comprises a first crushing cavity and a second crushing cavity which are arranged in a bilateral symmetry mode, and the rotary crushing device comprises a first rotating device and a second rotating device which are arranged in a bilateral symmetry mode; the counterattack device comprises a counterattack frame. After the iron tailings are secondarily crushed by the crushing device, the iron tailings are thrown to the impact device to be crushed again, so that the iron tailings are sufficiently crushed, the crushing efficiency is high, the device has high automation degree, the waste of manpower and material resources is reduced, and the cost for crushing the iron tailings can be reduced.

Description

Device for crushing iron tailings

Technical Field

The utility model belongs to the technical field of breaker, a device for broken iron tailing is related to.

Background

Iron tailings are tailings produced during the production of iron ore, and are solid composites of metal oxides and various mineral components. The composition materials of the iron tailings vary with the distribution area of the iron tailings. In recent years, the development of the steel industry in China is rapid, and the quantity of the iron tailings is increased. The generation of iron tailings presents several problems: such as serious environmental pollution, large land occupation, high cost for treating iron tailings and maintaining tailings ponds and prominent safety problem. Researchers use the iron tailings in roadbed pavements, but the iron tailings after mineral separation have large particle size and need to be crushed. At present, the iron tailings are crushed by common industrial equipment such as a jaw crusher, a hammer crusher, a toothed roll crusher and the like, but the crushing cost is higher, and more manpower and financial resources are wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that above-mentioned prior art exists, the utility model aims to provide a device for broken iron tailing has reduced the waste of manpower and materials, and crushing efficiency is high, can reduce the cost of broken iron tailing.

The utility model discloses a realize through following technical scheme:

a device for crushing iron tailings comprises a shell, wherein a feed inlet is formed above the shell, a discharge outlet is formed below the shell, and a crushing device and a counterattack device are arranged in the shell; a feeding sieve plate is arranged below the feeding hole and is used for dividing the iron tailings entering from the feeding hole into two parts;

the crushing device is positioned below the feeding sieve plate and comprises a crushing cavity and a rotary crushing device, and the rotary crushing device is positioned below the crushing cavity;

the crushing cavity comprises a first crushing cavity and a second crushing cavity which are arranged in a bilateral symmetry mode, and the rotary crushing device comprises a first rotating device and a second rotating device which are arranged in a bilateral symmetry mode;

the counterattack device comprises a counterattack frame.

Further, the feeding sieve plate is V-shaped, and the opening of the feeding sieve plate faces downwards.

Furthermore, first rotary device and second rotary device all include the carousel, are equipped with a plurality of tup on the edge of carousel, and the carousel passes through main shaft connection drive arrangement.

Further, the rotating directions of the two rotating discs are opposite.

Further, the driving device employs a motor.

Furthermore, the impact frame is fixedly connected to the shell through a pull rod.

Furthermore, the impact frame comprises a front impact frame and a rear impact frame which are fixedly connected.

Furthermore, the front impact frame and the rear impact frame are both provided with impact lining plates.

Furthermore, the material of the counterattack lining plate is chromium alloy steel or rare earth wear-resistant steel.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses a device for crushing iron tailings, wherein a crushing device and a counterattack device are arranged in a shell; the crushing device comprises a crushing cavity and a rotary crushing device, and the rotary crushing device is positioned below the crushing cavity; the crushing cavity comprises a first crushing cavity and a second crushing cavity which are arranged in a bilateral symmetry mode, the iron tailings achieve the crushing effect in the first crushing cavity and the second crushing cavity in the crushing process, and the rotary crushing device comprises a first rotating device and a second rotating device which are arranged in a bilateral symmetry mode; a feeding sieve plate is arranged below the feeding hole, and the iron tailings entering from the feeding hole are divided into two parts, so that crushing devices which are not divided from left to right can crush the iron tailings simultaneously, and the working efficiency is improved; the iron tailings directly fall into a rotary crushing device rotating at a high speed from a crushing cavity on the upper part of the machine; the rotary crushing device continuously hammers the iron tailings to crush the iron tailings, high-speed collision and high-density crushing are generated between the rotary crushing device and flying stones which are shunted around the rotary crushing device under the action of high-speed centrifugal force, stone materials are mutually beaten and then form eddy motion between the rotary crushing device and the shell to cause multiple times of mutual beating and crushing, and when the rotary crushing device rotates, the crushed iron tailings are thrown to the counterattack device to be crushed again, so that the iron tailings are sufficiently crushed. The device easy operation, degree of automation is high, has reduced the waste of manpower and materials, has improved production efficiency to the device's crushing efficiency is high, and broken the same quality's iron tailing, required electric energy is less, therefore electric energy consumption is low, can reduce the cost of broken iron tailing.

Further, first rotary device and second rotary device all include the carousel, are equipped with a plurality of tup on the edge of carousel, and when the carousel rotated, the tup can be continuous hits the iron tailings, and then reaches the effect of broken iron tailings.

Furthermore, the two rotary tables rotate in opposite directions, so that the iron tailings can be fully collided and can be continuously crushed.

Furthermore, the impact lining plate is made of chromium alloy steel or rare earth wear-resistant steel, so that the strength is high, and the impact on the crushed objects can be continuously realized.

Drawings

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

FIG. 2 is a schematic view of the structure of the impact device;

fig. 3 is a schematic structural view of a first crushing chamber.

Wherein: the device comprises a feeding hole 1, a feeding sieve plate 2, a front impact frame 3, a rear impact frame 4, a pull rod 5, a bolt 5-1, an impact lining plate 6, a first motor 7, a second motor 8, a first crushing cavity 9, crushing teeth 10, a second crushing cavity 11, a first rotating disc 12, a second rotating disc 13, a main shaft 14, a hammer 15, a shell 16 and a discharging hole 17.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings:

as shown in fig. 1, the utility model discloses a device for broken iron tailings, including casing 16, it has feed inlet 1 to open above casing 16, is equipped with discharge gate 17 below casing 16, is equipped with breaker and counterattack device in casing 16. The crushing device comprises a crushing cavity and a rotary crushing device, the crushing cavity comprises a first crushing cavity 9 and a second crushing cavity 11 which are arranged in a bilateral symmetry mode, and the rotary crushing device comprises a first rotating device and a second rotating device which are arranged in a bilateral symmetry mode.

Specifically, the first rotating device comprises a first rotating disc 12, a plurality of hammers 15 are arranged on the edge of the first rotating disc 12, and the first rotating disc 12 is connected with a first motor 7 through a main shaft 14; the second rotating device comprises a second rotating disk 13, a plurality of hammers 15 are arranged on the edge of the second rotating disk 13, and the second rotating disk 13 is connected with a second motor 8 through another main shaft. The setting directions of the hammer heads 15 on the first rotating disc 12 and the second rotating disc 13 are opposite, and the rotating directions of the two rotating discs are opposite.

Turning on the first motor 7, and driving the first rotary table 12 to rotate around the main shaft 14 at a high speed anticlockwise through the output shaft of the motor; the second motor 8 is turned on, and the second rotary disk 13 is driven by the output shaft of the motor to rotate clockwise at a high speed around the main shaft 14.

A feeding sieve plate 2 is arranged below the feeding port 1, the feeding sieve plate 2 is V-shaped, and the opening of the feeding sieve plate is downward. The iron tailings enter the shell 16 through the feed inlet 1 and are separated into two parts through the feed sieve plate 2, wherein one part enters the first crushing cavity 9, and the other part enters the second crushing cavity 11.

As shown in fig. 3, the first crushing cavity 9 and the second crushing cavity 11 are both formed by two separated crushing bodies, the inner walls of the crushing bodies are provided with crushing teeth 10, the two separated crushing bodies are respectively connected with a stepping motor, when the iron tailings enter the crushing cavities, the crushing teeth 10 of the two crushing bodies move relatively under the action of the stepping motor, namely, the crushing teeth 10 on the two sides are engaged back and forth, so that the purpose of crushing the iron tailings is achieved.

As shown in fig. 2, the impact device comprises a front impact frame 3 and a rear impact frame 4, wherein both the two impact frames are provided with impact lining plates 6, and the impact lining plates 6 are made of high-strength chromium alloy steel, rare earth wear-resistant steel and other materials and can continuously impact broken objects. The impact lining plate 6 continuously collides the iron tailings in the crushing process to realize the rebound of the iron tailings, wherein the front impact frame 3 and the rear impact frame 4 are fixed by bolts 5-1, and the impact frames are fixedly connected with the shell 16 through pull rods 5 and bolts.

When the iron tailings enter the reaction zone, the iron tailings are impacted by the reaction lining plate 6, and are continuously crushed. The impact lining plate 6 rebounds the iron tailings to the plate hammer action area where the rotary crushing device is located again, so that the iron tailings are crushed in the plate hammer action area.

The iron tailings directly fall into a rotary crushing device rotating at a high speed from a crushing cavity on the upper part of the machine; the hammer head 15 on the rotary crushing device continuously hammers the iron tailings to crush the iron tailings, under the action of high-speed centrifugal force, the iron tailings and flying stones which are distributed around the turntable in an umbrella-shaped mode generate high-speed collision and high-density crushing, and after the stones are mutually beaten, eddy motion is formed between the turntable and the shell to cause multiple times of mutual beating and crushing. Wherein two carousel clockwise rotation and anticlockwise rotation respectively are favorable to the abundant collision of indisputable tailing, constantly carry out the breakage to indisputable tailing, and the broken particle diameter that reaches needs, crushing efficiency is high. When the rotary disc rotates, the crushed iron tailings are thrown to the impact device to be crushed again, so that the iron tailings are sufficiently crushed.

As shown in fig. 1, the iron tailings enter the shell 16 through the feed inlet 1, and first enter the crushing chamber along the feed screen 2. When the first motor 7 and the second motor 8 are turned on, the first rotary table 12 rotates around the spindle 14 at a high speed counterclockwise under the driving of the first motor 7, and the second rotary table 13 rotates around the spindle 14 at a high speed clockwise under the driving of the second motor 8. When the iron tailings enter the plate hammer action area, the hammer head 15 of the first rotary disc 12 continuously impacts and crushes the iron tailings, and the crushed iron tailings are thrown to the counterattack device to be crushed again while rotating. In the impact device, impact lining plates 6 on the front impact frame 3 and the rear impact frame 4 rebound to a plate hammer action area to be crushed again. At the same time, the impact of the impact on the lining plate 6 is applied, the crushing is continued, and the process is repeated. The iron tailings enter the rotary crushing device from the crushing cavity from large to small to be repeatedly crushed, the iron tailings are continuously and fully crushed until the materials are crushed to the required granularity, and at the moment, the crushed iron tailings are stored in the shell 16 and finally discharged from the discharge hole 17.

Claims (9)

1. The device for crushing the iron tailings is characterized by comprising a shell (16), wherein a feeding hole (1) is formed above the shell (16), a discharging hole (17) is formed below the shell (16), and a crushing device and a counterattack device are arranged in the shell (16); a feeding sieve plate (2) is arranged below the feeding hole (1), and the feeding sieve plate (2) is used for dividing the iron tailings entering from the feeding hole (1) into two parts;

the crushing device is positioned below the feeding sieve plate (2), the crushing device comprises a crushing cavity and a rotary crushing device, and the rotary crushing device is positioned below the crushing cavity;

the crushing cavity comprises a first crushing cavity (9) and a second crushing cavity (11) which are arranged in a bilateral symmetry mode, and the rotary crushing device comprises a first rotating device and a second rotating device which are arranged in a bilateral symmetry mode;

the counterattack device comprises a counterattack frame.

2. An apparatus for crushing iron tailings according to claim 1, wherein the feeding screen deck (2) is V-shaped with the opening facing downwards.

3. An apparatus for crushing iron tailings according to claim 1, wherein the first and second rotating means each comprise a rotating disc, a plurality of hammers (15) are provided on the edge of the rotating disc, and the rotating disc is connected to the driving means through a main shaft (14).

4. An apparatus for crushing iron tailings according to claim 3 wherein the two discs rotate in opposite directions.

5. An apparatus for crushing iron tailings according to claim 3 wherein the drive means employs an electric motor.

6. An apparatus for crushing iron tailings according to claim 1, wherein the impact frame is fixedly connected to the casing (16) by a tie rod (5).

7. The apparatus for crushing iron tailings according to any one of claims 1 to 6, wherein the impact frame comprises a front impact frame (3) and a rear impact frame (4), and the front impact frame (3) and the rear impact frame (4) are fixedly connected.

8. A plant for crushing iron tailings according to claim 7, wherein the impact liners (6) are provided on both the front impact frame (3) and the rear impact frame (4).

9. The apparatus for crushing iron tailings according to claim 8, wherein the impact lining plate (6) is made of chromium alloy steel or rare earth wear-resistant steel.

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