CN209077112U - A kind of bored slag conveying pre-selection device of heat - Google Patents

Abstract

The utility model provides a hot slag conveying pre-selection equipment, which comprises a vibrating feeding device and a pre-selection drum screen. The trough is connected between the feeding bin and the feeding port of the trommel screen, and between the feeding port and the discharging port of the pre-selecting trommel screen, reinforcing ribs, a first screen hole and a second screen hole are arranged in sequence. When in use, hopper and vibrating feeder are used to input steel slag into the sieve cylinder quantitatively and orderly, and convey the slag along the rotation of the sieve cylinder. The first sieve hole in the cylinder wall outputs the small particle material first, and the second sieve hole outputs the medium particle material and the large particle material. The material is discharged from the discharge port. The conveying pre-selection equipment of the utility model can efficiently and orderly separate materials of different specifications in the steel slag, and provide regular raw materials for the subsequent crushing process.

Description

A kind of hot stuffy slag conveying preselection equipment

technical field

The utility model relates to the technical field of smelting slag processing equipment for steel smelting, in particular to a hot smouldering slag conveying preselection equipment.

Background technique

In the patent document CN108187880B, the applicant proposes a complete set of steel slag advanced treatment process, which is based on the design principle of "more breaking and less grinding". The cycle of 3 crushing + 3 screening + 2 magnetic separation + 1 cleaning + 12 points of dust removal" not only recovers more than 99% of the metal cost-effectively, but also regulates the particle size of the tailings for export to 0-5mm , The content of metallic iron is less than 1%. In view of the specific material properties and process requirements of the hot slag and its intermediate products input in the treatment process, a corresponding steel slag pre-selection treatment device should be specially designed to match.

Based on the rich practical experience and professional knowledge of the design and manufacture of such products for many years, and with the application of academic theory, the inventor actively conducts research and innovation to create a more practical hot slag conveying pre-selection equipment.

SUMMARY OF THE INVENTION

Purpose of the invention: In order to meet the technological requirements of the deep treatment of steel slag, the utility model designs a hot stuffy slag conveying pre-selection equipment and a steel slag pretreatment method.

Technical solution: In order to solve the above technical problems, the hot slag conveying pre-selection equipment provided by the utility model includes a vibrating feeding device and a pre-selection trommel screen, and the vibrating feeding device includes a bracket, a feeding bin and a vibrating feeder; The silo is installed on the top of the column, and the feed silo has a top discharge port and a bottom discharge port; the feed bin has three inclined side plates, the inner wall of the side plates has a wear-resistant layer, and the side plates The outer wall of the plate is welded with a C-shaped reinforcing rib; the vibrating feeder is connected with the beam through a spring, a vibration exciter is installed at the bottom of the vibrating feeder, and the top of the vibrating feeder has a feeding slot, and the feeding The top of the trough is docked with the blanking port, and the front end of the feeding trough is docked with the feeding port of the pre-selection trommel screen; the pre-selection trommel screen includes a frame, a roller frame and a screen drum, the roller frame is installed on the rack, and the screen drum is arranged On the roller frame, the sieve drum is an integral structure composed of a throat-shrinking transition section and a circular tube. The feed port is located at the small diameter end of the transition section. The circular tube is arranged with annular reinforcing ribs, the first screen hole, The second sieve hole and the discharge port.

Specifically, the two annular reinforcing ribs are arranged in parallel; the first screen hole is a square hole with a size of 7cm*7cm, the second screen hole is a square hole with a size of 25cm*25cm, and the The inner diameter of the feed port is 138 cm, and the diameter of the circular tube and the discharge port is 220 cm.

Specifically, the first sieve holes are arranged in 8 circles along the circumferential direction of the sieve cylinder, the positions of the first sieve holes in adjacent circles are staggered from each other, and the distance between the circles where the centers of the adjacent first sieve holes are located in the axial direction is 14 cm, The center-to-center distance of adjacent first screen holes in the circumferential direction is 14 cm.

Specifically, the second sieve holes are arranged in four circles along the circumferential direction of the sieve cylinder, the positions of the first sieve holes in adjacent circles are staggered from each other, and the distance between the centers of the adjacent second sieve holes in the axial direction is 50cm, The center-to-center distance of adjacent second mesh openings in the circumferential direction is 50 cm.

Specifically, there are symmetrical rollers on the roller frame, and the rollers are heavy-duty pneumatic rubber tires; the roller frames have two groups, the first group of roller frames is installed between the feeding port and the reinforcing rib, and the second The group roller frame is close to the discharge port of the screen drum.

Specifically, the bracket has a vertical column and a beam connected between the columns, and two sides close to the head of the vibrating feeder have support parts, the support parts have a downward column-shaped first protrusion, the The beam is provided with an upward cylindrical second protrusion. The spring is a cylindrical coil spring. Both ends of the cylindrical coil spring are respectively sleeved on the first protrusion and the second protrusion. The spring is symmetrical on both sides of the vibrating feeder. Arranged, three on each side.

Specifically, the side plates include a first trapezoid side plate, a second trapezoid side plate and a third trapezoid side plate, and the first trapezoid side plate and the third trapezoid side plate are respectively used as two sides of the feeding bin. The third trapezoidal side plate serves as the tail of the feeding bin.

Specifically, the uprights are four square tube uprights, the transverse beam includes a main beam and a sub-beam, the spring is connected to the main beam, and the tail of the vibrating feeder is elastically connected to the sub-beam.

When in use, a feeding bin is installed on the top of the support, and steel slag is used to lay the slope from the ground to the end of the feeding bin, and a loader is used to send the hot slag into the feeding bin through the slope; a vibrating feeder is installed at the bottom of the feeding bin. , the vibration exciter at the bottom of the vibrating feeder drives the feed chute at the top to vibrate, and the steel slag in the feed bin is quantitatively and orderly transported into the sieve cylinder;

The rotating sieve cylinder roughly divides the steel slag into three sizes of 0-60mm, 60-250mm and materials larger than 250mm. The sieve cylinder is arranged along the feeding direction in sequence with the feeding port, the reinforcing ribs, the first sieve hole and the second sieve hole and the discharge port, the first sieve hole is a 7cm*7cm square hole, and the second sieve hole is a 25cm*25cm square hole; the material enters the sieve cylinder from the feeding port, and is transported forward along the rolling of the sieve cylinder , firstly output the small particle material through the first sieve hole, then output the medium particle material through the second sieve hole, and finally discharge a small amount of large particle material from the discharge port.

Specifically, the vibrating feeder is elastically suspended on the frame, and the heavy duty pneumatic rubber tire rollers are installed in pairs on the roller frame. The hub of the tire is connected to the input shaft, and the contact friction force on the surface of the tire is imparted to the circumferential direction of the screen cylinder when the tire rotates. The linear velocity makes the screen drum roll along its geometric center axis. The pretreatment capacity of the utility model is 100-150 tons/hour, which meets the treatment requirement of 500,000 tons of steel slag per year.

Beneficial effects: The utility model adopts a vibrating feeder and an integrated sieve cylinder to preselect steel slag, utilizes the vibrating feeder to input quantitatively and orderly and suspend the rotation of a large-scale drum to continuously transport and screen the steel slag. The materials of different particle grades in the steel slag are sorted into materials of different particle grades that are convenient for subsequent processing. The number of parts and components of the whole set of equipment is small and the connection is reliable. The equipment is not only easy to manufacture, but also convenient for on-site processing and maintenance. The pre-selection of this equipment provides suitable material input for the advanced steel slag treatment process, which improves the overall efficiency of steel slag treatment.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present utility model;

Fig. 2 is the structural representation of preselection trommel screen in Fig. 1;

Fig. 3 is the structural representation of the feeding device in Fig. 1;

In the figure: feeding bin 101, vibrating feeder 102, exciter 103, bracket 104, spring 105, feeding chute 107, feeding port 201, reinforcing rib 202, first sieve hole 203, second sieve hole 204 , the discharge port 205, the roller frame 206, and the rack 207.

Detailed ways

Example:

The use state of the hot muggy slag conveying pre-selection equipment in this embodiment is shown in Figure 1. It has a connected feeding device and a pre-selection trommel screen. The vibrating feeding device has a top feeding bin 101, a vibrating feeder 102 and a bracket 104. The vibrating feeder The feeder 102 has a bottom exciter 103 and a top feed chute 107, the top of the feed chute 107 is connected to the feed bin 101, and the end of the feed chute 107 is connected to the feed port 201 of the preselection trommel. The pre-selection trommel screen has a frame 207, a roller frame 206 and a screen cylinder connected in sequence. The screen cylinder has an integrated cylindrical structure, and between the feeding port 201 and the discharging port 205 are sequentially arranged with reinforcing ribs 202 and first screen holes 203 and the second mesh 204 .

As shown in Figure 2, the sieve drum is an integral structure welded by wear-resistant steel plates, and has a throat-shrunk feed port 201 and a circular tube. The inner diameter of the feed port 201 is 138 cm, and the diameter of the circular tube is 220 cm. Two parallel annular reinforcing ribs 202 for structural reinforcement and shaping are circumferentially arranged at one end of the circular tube close to the feed port 201 , followed by a square first sieve 203 with a size of 7cm*7cm and a size of 25cm. *25cm square second sieve hole 204, and 220cm diameter outlet 205.

The rollers are installed in pairs on the roller frame 206, and a protective cover is provided on the outer surface of the rollers. The rollers are made of heavy-duty pneumatic rubber tires to ensure the stability and friction of the suspension of the screen drum. The hub of the tire is connected to the input shaft. Motor (not shown in the figure) The input shaft is driven to rotate the tire, which in turn gives the sieve drum a linear velocity in the circumferential direction through the contact friction force on the tire surface, so that the sieve drum rolls along its geometric center axis.

As shown in FIG. 3 , the bracket 104 is installed on the ground, the feeding bin 101 is fixedly installed on the top of the bracket 104 , and the vibrating feeder 102 is elastically/floatingly installed on the bracket 104 . The bracket 104 has four vertical square tube columns, and four square tube beams connected between the columns; the beam includes a main beam and a sub-beam, the long side is used as the main beam, and the position close to the front end is arranged to connect the upward convex of the spring. , arranged symmetrically on the left and right. The sub-beam is used to elastically connect the tail end of the vibrating feeder.

The main body of the feeding bin 101 is made of 20mm thick wear-resistant steel plate, and the external welded channel steel reinforcement is formed by connecting the first trapezoid side plate, the second trapezoid side plate and the third trapezoid side plate in sequence, of which the first trapezoid side plate is formed. The trapezoidal side plate and the third trapezoidal side plate serve as two sides of the feeding bin respectively, and the third trapezoidal side plate serves as the tail of the feeding bin. The first trapezoid and the third trapezoid are right-angled trapezoids, the second trapezoid is an isosceles trapezoid, and the inclination angle of the side plates of the first trapezoid is 45°. The outer contour of the vibrating feeder 102 is a cuboid, the vibration exciter 103 is installed at the bottom, and the feeding chute 107 is arranged at the top. steel plate.

When in use, a feeding bin is installed on the top of the bracket, and the hot slag is fed into the feeding bin; a vibrating feeder is installed at the bottom of the feeding bin, and the vibration exciter at the bottom of the vibrating feeder drives the feeding chute on the top. Vibration, the steel slag in the feeding bin is quantitatively and orderly transported to the screen drum.

The screen drum is made of 20mm thick wear-resistant steel plate, supported by four rubber wheels, driven by two 22KW motors, and the speed is adjustable. The steel slag is roughly divided into three specifications of 0-60mm (the first screen hole), 60-250mm (the second screen hole) and 250mm or more (the discharge port), and the conveyor belt is arranged under the first screen hole and the second screen hole. , Arrange a large steel slag cutting workshop at the discharge port.

The material enters the sieve cylinder from the feeding port, and rolls forward to convey it. First, the small particle material is output through the first sieve hole, and then the medium particle material is output through the second sieve hole. Finally, a small amount of large particle material is discharged from the discharge port. cut.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. The components that are not described in detail in the figures can be implemented by the prior art.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "head", "tail", "top", "bottom", "two sides", "vertical", etc. are based on the accompanying drawings The orientation or positional relationship shown. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

This embodiment describes a brand-new steel slag conveying and preselection equipment, but the present invention is not limited to the described embodiment. For those of ordinary skill in the art, within the scope of the principles and technical ideas of the present invention, various changes, modifications, substitutions and deformations to these embodiments still fall within the protection scope of the present invention.

Claims (8)

1. a kind of bored slag of heat conveys pre-selection device, including oscillation feed gear and pre-selection rotary screen, it is characterised in that:

The oscillation feed gear includes bracket, feeding warehouse and oscillating feeder；The feeding warehouse is mounted on the top of column, institute Feeding warehouse is stated with top drain hole and bottom blanking port；The feeding warehouse has three blocks of inclined side plates, the side plate inner wall With wearing layer, the side plate outer wall welds C-shaped reinforcing rib；The oscillating feeder is coupled by spring with crossbeam, the vibration Vibration excitor is installed in the bottom of dynamic batcher, and the top of the oscillating feeder has feed well, the feed well top and blanking Mouth docking, the charging front of the slot are docked with the feed inlet for preselecting rotary screen；

The pre-selection rotary screen includes rack, turning rolls and screen drum, and turning rolls is installed in rack, and screen drum is placed in turning rolls On, the integral structure that screen drum is made of the changeover portion and round tube of larynx contracting shape, the feed inlet is located at the miner diameter end of changeover portion, circle Cyclic reinforcing rib, the first sieve pore, the second sieve pore and discharge port are sequentially arranged on pipe.

2. the bored slag of a kind of heat according to claim 1 conveys pre-selection device, it is characterised in that: the cyclic reinforcing rib is flat Two of row arrangement；First sieve pore is the square hole having a size of 7cm*7cm, and second sieve pore is having a size of 25cm* The square hole of 25cm, the internal diameter of the feed inlet are 138cm, and the diameter of the round tube and discharge port is 220cm.

3. the bored slag of a kind of heat according to claim 2 conveys pre-selection device, it is characterised in that: first sieve pore is along screen drum Circumferential direction is disposed with 8 circles, and the position of the first sieve pore of adjacent turn mutually staggers, in the axial direction circle where adjacent first sieve pore center Distance be 14cm, the center of adjacent first sieve pore is away from being 14cm in the circumferential.

4. the bored slag of a kind of heat according to claim 2 conveys pre-selection device, it is characterised in that: second sieve pore is along screen drum Circumferential direction is disposed with 4 circles, and the position of the first sieve pore of adjacent turn mutually staggers, in the axial direction circle where adjacent second sieve pore center Distance be 50cm, the center of adjacent second sieve pore is away from being 50cm in the circumferential.

5. the bored slag of a kind of heat according to claim 1 conveys pre-selection device, it is characterised in that: have on turning rolls symmetrical Idler wheel, the idler wheel is heavy duty pneumatic rubber tyre；The turning rolls has two groups, first group of turning rolls installation screen drum Between feed inlet and reinforcing rib, discharge port of second group of turning rolls close to screen drum.

6. the bored slag of a kind of heat according to claim 1 conveys pre-selection device, it is characterised in that: the bracket has vertical Column, and the crossbeam being connected between column have support portion, the support portion tool close to the two sides of oscillating feeder stem There is downward the first protrusion of column, there is upward the second protrusion of column on the crossbeam, the spring is pillar shaped helical spring, The both ends of pillar shaped helical spring are respectively sleeved in the first raised second protrusion, and the spring is in the symmetrical cloth in oscillating feeder two sides It sets, every side three.

7. the bored slag of a kind of heat according to claim 1 conveys pre-selection device, it is characterised in that: the side plate includes the first ladder Shape side plate, the second trapezoidal side plate and the trapezoidal side plate of third, the first trapezoidal side plate and the trapezoidal side plate of third are respectively as charging The two sides in storehouse, tail portion of the trapezoidal side plate of third as feeding warehouse.

8. the bored slag of a kind of heat according to claim 1 conveys pre-selection device, it is characterised in that: the column is four square tubes Column, the crossbeam include girder and auxiliary girder, and the spring is connected on girder, tail portion and auxiliary girder of the vibration to batcher Resilient connection.