CN217576790U

CN217576790U - Improve band conveyer sintering material current stabilizer

Info

Publication number: CN217576790U
Application number: CN202221337207.4U
Authority: CN
Inventors: 成继勋; 李泉明; 曹仲勇; 肖琪
Original assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Current assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-14
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses an improved belt conveyor sintering material flow stabilizing device, which comprises a primary belt conveyor and a secondary belt conveyor, wherein a buffer device is arranged between the tail of the primary belt conveyor and the head of the secondary belt conveyor; a set of baffle is provided with relatively in one-level belt feeder both sides, and parallel arrangement has a pair of back shaft between a set of baffle, all is provided with the running roller on every back shaft. The utility model discloses a current stabilizer through installing two running rollers between one-level belt feeder tail and second grade belt feeder aircraft nose, can effectively reduce the blanking height of material, can avoid the impact force too big to produce the influence to the material granularity, and then influence the sinter quality to the raise dust has been restrained.

Description

Improve band conveyer sintering material current stabilizer

Technical Field

The utility model belongs to the material field of carrying, concretely relates to improve band conveyer sintering material current stabilizer.

Background

A belt conveyor is a friction-driven machine that transports material in a continuous manner. The belt conveyor has the characteristics of large conveying capacity, long conveying distance, simple structure, convenience in maintenance, low cost and the like, and is widely applied to industries such as metallurgy, coal, chemical industry and the like. When the belt conveyor is used for conveying the sintering materials, because the independent belt conveyor cannot carry out redirection transportation, the two belt conveyors are usually connected end to realize the same-direction transshipment transportation or redirection transshipment transportation. In the material transportation process, most of sintering raw materials are powdery and scattered materials, and when the discharge end of the first belt conveyor freely falls onto the second belt conveyor, the blanking height greatly generates large buffering force, influences the particle size of the materials and causes dust raising.

At present, the impact force on the belt when the material falls is improved, and a material stop mechanism is mainly arranged at the feed end of the belt, so that the material is buffered to avoid damage to the belt. Patent 201520271395.9 discloses a belt conveyor guide mechanism, and this patent has effectively cushioned the impact when the powder is nearly perpendicular to let out and has caused the injury to the belt through setting up half oval flourishing feed cylinder at the belt feeder feed end, but the impact of material can cause great impact to half oval flourishing feed cylinder simultaneously, causes half oval flourishing feed cylinder wearing and tearing to need often to change. Patent 201320679652.3 discloses a double buffering of belt conveyor receives material device, adopts five roller structures even, can increase the bearing roller displacement volume when the blanking for buffering effect is better. However, when the material transportation amount is large, part of materials can overflow from the middle gap of the carrier roller, so that the materials are scattered and leaked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improve band conveyer sintering material current stabilizer can effectively slow down the impact force of the perpendicular whereabouts in-process of belt, avoids the impact force too big to produce the influence to the material granularity, and then influences the sinter quality, has reduceed material blanking height simultaneously, has reduced the raise dust pollution.

The technical scheme adopted by the utility model is that the improved belt conveyor sintering material flow stabilizing device comprises a primary belt conveyor and a secondary belt conveyor, wherein a buffer device is arranged between the tail of the primary belt conveyor and the head of the secondary belt conveyor; the buffer device comprises a group of baffles which are oppositely arranged on two sides of the one-level belt conveyor, a pair of supporting shafts are arranged between the group of baffles in parallel, and a roller is arranged on each supporting shaft.

The utility model discloses a characteristics still lie in:

the running roller is the I shape structure, and a set of running roller can rotate relatively. The roller comprises a roller head and a roller shaft, and the roller head is in a round table shape; the total length of the rollers is 1/4-1/3 of the width of the first-stage belt conveyor. The roller is arranged at 1/2-2/3 of the falling height of the material; the outer part of the roll shaft is welded with an annular metal material, the surface of the metal material is spirally convex, zigzag convex or triangular convex, and the diameter of the annular metal material is 1.1-1.3 times of that of the roll shaft. The lower end of each baffle is fixed on the secondary belt conveyor, and the upper end of each baffle is 100-150 mm higher than the primary belt conveyor.

The utility model has the advantages that:

(1) The utility model discloses an improve band conveyer sintering material current stabilizer, through installing two running rollers between one-level belt feeder tail and second grade belt feeder aircraft nose, can effectively reduce the blanking height of material, along with the material by the whereabouts of one-level belt feeder discharge end, the impact force of material strengthens gradually along with the height increase, the material whereabouts to the running roller department and continues the whereabouts again, the running roller has effectively cushioned the impact force of material; the running roller is the I-shaped structure, and a set of running roller rotates relatively, and the sintering material falls to running roller department, and the running roller can play the cushioning effect to the material, and the material falls from the gap between two running rollers, can avoid the impact force too big to produce the influence to the material granularity, and then influences the sinter quality to restrain the raise dust.

(2) The utility model discloses an improve band conveyer sintering material current stabilizer, the last welding annular metal material of roller bearing, the metal material surface is made and is continuous protruding parts such as spiral, zigzag, triangle-shaped. The diameter of the annular metal material is 1.1 to 1.3 times of that of the roll shaft. The bulge can increase the frictional force between running roller and the material, prevents that the too big material transportation volume from leading to the material to pile up unable whereabouts on the running roller.

Drawings

Fig. 1 is a schematic structural view of a material flow stabilizer for improving the sintering of a belt conveyor of the present invention;

fig. 2 is a schematic view of the roller structure of the sintering material flow stabilizer for improving the belt conveyor of the present invention.

In the figure, 1 is a first-stage belt conveyor, 2 is a second-stage belt pulley, 3 is a baffle, 4 is a roller, 5 is a support shaft, 6 is a roller head, and 7 is a roller shaft.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model discloses a device for improving belt conveyor sintering material stationary flow, the concrete structure is as shown in figure 1, including first-level belt feeder 1 and second grade belt feeder 2, be provided with buffer between first-level belt feeder 1 afterbody and second grade belt feeder 2 aircraft nose, the material falls into the second grade belt feeder 2 head through buffer from first-level belt feeder 1 afterbody, and the material contacts with buffer and can increase the material cushion effect, strengthens material stability; buffer includes a set of baffle 3 that sets up in 1 both sides of one-level belt feeder relatively, and baffle 3 is used for preventing that the material from spilling over, and parallel arrangement has a pair of back shaft 5 between a set of baffle 3, all is provided with running roller 4 on every back shaft 5.

The rollers 4 are in I-shaped structures, and the group of rollers 4 can rotate relatively.

As shown in fig. 2, the roller 4 includes a roller head 6 and a roller shaft 7, and the roller head 6 is in a circular truncated cone shape; the total length of the roller 4 is 1/4-1/3 of the width of the first-stage belt conveyor 1. The total length of the roller 4 is 1/4-1/3 of the width of the first-stage belt conveyor 1, and the length of the roller shaft 7 is 3/5-9/10 of the total length of the roller 4; the diameter of the bottom surface (namely the end with the larger diameter) of the roller head 6 is 2/5-2/3 of the total length of the roller 4, the diameter of the top surface (namely the end with the smaller diameter) of the roller head 6 is 0.7-0.9 times of the diameter of the bottom surface of the roller head 6, and the bottom foot of the roller head 6 is 75-80 degrees;

the roller 4 is arranged at 1/2-2/3 of the falling height of the material.

The outer part of the roller shaft 7 is welded with an annular metal material, the surface of the metal material is provided with spiral, saw-tooth or triangular bulges, the diameter of the annular metal material is 1.1-1.3 times of that of the roller shaft 7, and the spiral, saw-tooth or triangular bulges arranged on the surface of the metal material can prevent materials from being accumulated on the roller.

The lower end of each baffle 4 is fixed on the secondary belt conveyor 2, the upper end of each baffle 3 is 1100-150 mm higher than the primary belt conveyor, and the length of each baffle 3 is 1.1-1.4 times of the horizontal distance between the tail roller of the primary belt conveyor 1 and the head roller of the secondary belt conveyor 2.

The utility model discloses a working process as follows: the sintering material moves on the fixed track, falls to the buffer device through the 1 afterbody of one-level belt feeder, and running roller 4 on material and the buffer device, material fall to second grade belt feeder 2 from a set of running roller 4 middle whereabouts, accomplishes the buffering process that the material falls into 2 heads of second grade belt feeder through buffer device by 1 afterbody of one-level belt feeder, and the material cushioning power can be increased in the contact of material and buffer device, strengthens material stability, and both sides baffle can prevent that the material from spilling over.

The device of the present invention is described below with reference to specific embodiments:

example 1:

two belt conveyors with the belt width of 500mm are connected end to realize the same-direction transshipment transportation, a buffer device is arranged at 1/2 of the falling position of the material, a roller 4 of the buffer device consists of a roller head 6 and a roller shaft 7, the total length of the roller 4 is 150mm, the roller head 6 is in a circular truncated cone shape, the diameter of the bottom surface of the roller head 6 is 50mm, and the diameter of the top surface of the roller head 6 is 40mm; the bottom foot of the roller head 6 is 75 degrees, the diameter of the roller shaft 7 is 30mm, and the length of the roller shaft 7 is 130mm. When the sintering material falls from the first-level belt conveyor 1, the sintering material firstly contacts with the roller 4 to reduce the buffer force, and the roller 4 surrounds the bearing to weld the spiral metal material, so that the material can be prevented from being accumulated on the roller and then falls to the second-level belt conveyor 2 from between the two rollers 4. The device can effectively reduce the blanking height of materials, improve the influence of impact force on sintering materials in the falling process and ensure the quality of sinter.

Example 2:

two belt conveyors with the belt width of 1000mm are connected end to realize the same-direction transshipment transportation, a buffer device is arranged at 2/3 of the falling position of the material, a roller 4 of the buffer device consists of a roller head 6 and a roller shaft 7, the total length of the roller 4 is 300mm, the roller head 6 is in a circular truncated cone shape, the diameter of the bottom surface of the roller head 6 is 200mm, and the diameter of the top surface is 180mm; the bottom foot of the roller head 6 is 80 degrees, the diameter of the roller shaft 7 is 130mm, and the length of the roller shaft 7 is 900mm. When the sintering material falls from the primary belt conveyor 1, the sintering material firstly contacts with the roller 4 to reduce the buffer force, and the roller 4 surrounds the metal material with the sawtooth-shaped bearing welding outer surface, so that the material can be prevented from being accumulated on the roller and then falls to the secondary belt conveyor 2 from between the two rollers 4. The device can effectively reduce the blanking height of materials, improve the influence of impact force on sintering materials in the falling process and ensure the quality of sinter.

Example 3:

two belt conveyors with the belt width of 800mm are connected end to realize the same-direction transshipment transportation, a buffer device is arranged at 1/2 of the falling position of the material, a roller 4 of the buffer device consists of a roller head 6 and a roller shaft 7, the total length of the roller 4 is 200mm, the roller head 6 is in a circular truncated cone shape, the diameter of the bottom surface of the roller head 6 is 100mm, and the diameter of the top surface is 150mm; the foot of the roller head 6 is 78 degrees, the diameter of the roller shaft 7 is 110mm, and the length of the roller shaft 7 is 600mm. When the sintering material falls from the primary belt conveyor 1, the sintering material firstly contacts with the roller 4 to reduce the buffer force, and the roller 4 surrounds the metal material with the triangular bearing welding outer surface, so that the material can be prevented from being accumulated on the roller and then falls to the secondary belt conveyor 2 from between the two rollers 4. The device can effectively reduce the blanking height of the materials, improve the impact force of the falling process and the influence of sintering materials, and ensure the quality of sintered ores.

Claims

1. The device for improving the sintering material flow stabilization of the belt conveyor is characterized by comprising a primary belt conveyor (1) and a secondary belt conveyor (2), wherein a buffer device is arranged between the tail of the primary belt conveyor (1) and the head of the secondary belt conveyor (2);

buffer includes a set of baffle (3) that set up in one-level belt feeder (1) both sides relatively, and is a set of parallel arrangement has a pair of back shaft (5), every between baffle (3) all be provided with running roller (4) on back shaft (5).

2. The device for improving the sintered material flow stability of the belt conveyor according to claim 1, wherein the rollers (4) are of an I-shaped structure, and a group of the rollers (4) can rotate relatively.

3. The device for improving the sintered material flow stability of the belt conveyor is characterized in that the roller (4) comprises a roller head (6) and a roller shaft (7), wherein the roller head (6) is in a circular truncated cone shape; the total length of the roller (4) is 1/4-1/3 of the width of the first-stage belt conveyor (1).

4. The device for improving the sintered material flow stabilization of the belt conveyor as claimed in claim 3, wherein the roller (4) is arranged at 1/2-2/3 of the falling height of the material.

5. The device for improving the flow stability of the sintered materials of the belt conveyor as claimed in claim 3, wherein the roller shaft (7) is welded with an annular metal material, the surface of the metal material is convex in a spiral shape, a sawtooth shape or a triangular shape, and the diameter of the annular metal material is 1.1 to 1.3 times of the diameter of the roller shaft (7).

6. The device for improving the flow stability of the sintering materials of the belt conveyor is characterized in that the lower end of each baffle (3) is fixed on the secondary belt conveyor (2), and the upper end of each baffle (3) is 100-150 mm higher than that of the primary belt conveyor (1).