CN219407818U

CN219407818U - Novel ring type coal feeder stores up coal silo structure

Info

Publication number: CN219407818U
Application number: CN202223573237.8U
Authority: CN
Inventors: 王学民; 李琪; 陶涌; 王智磊; 方伟定; 林高峰; 陈柯星; 罗罡; 王飞; 钱锡铭
Original assignee: China Energy Engineering Group Zhejiang Eleteric Power Design Institute Co ltd
Current assignee: China Energy Engineering Group Zhejiang Eleteric Power Design Institute Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-25
Anticipated expiration: 2032-12-31

Abstract

The utility model provides a novel ring type feeder stores up coal silo structure, it includes stores up coal silo body, store up the coal silo body and constitute by the storehouse top at storehouse wall and top, wherein the storehouse wall is whole to be cylindrically, installs the storehouse top at the top of storehouse wall, has seted up the storehouse top passageway on the storehouse top, the inside coal storage area and the below that are provided with the top of cylindrical storehouse wall go out coal working area, and this coal working area has arranged round outer loop funnel, has still arranged the inner ring funnel in outer loop funnel, has arranged the guide limit that the round is inwards drawn close on the storehouse wall outside the outer loop funnel to install coal plough and coal unloading car on outer loop funnel and inner loop funnel, install the belt conveyor in coal plough and coal unloading car's below. The utility model has the advantages of simple structure, small occupied area, convenient construction, reasonable manufacturing cost, better stress performance and the like.

Description

Novel ring type coal feeder stores up coal silo structure

Technical Field

The utility model relates to a novel coal silo structure of a ring type coal feeder, and belongs to the technical field of storage devices.

Background

The large coal storage silo is a coal storage structure of a thermal power plant, the diameter of the coal storage structure is generally 30-50 meters, and for a silo adopting a ring type coal feeder, a central inner cylinder is generally arranged in the silo.

The funnel of conventional ring type feeder silo adopts the annular cone of inside and outside separation, exists the cone diameter big, and area is big, the atress is complicated shortcoming, and its roof adopts the reinforced concrete structure that supports on urceolus and central inner tube, and the construction degree of difficulty is big to owing to the particularity of coal (the discharge gate can not set up too big), make the discharge gate of conventional feeder silo less, lead to the inhomogeneous and discharge velocity scheduling problem of discharging slowly, for this reason, design a novel ring type feeder coal storage silo structure, in order to overcome above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a novel ring type coal feeder coal storage silo structure which is simple in structure, small in occupied area, convenient and fast to construct, reasonable in manufacturing cost, better in stress performance and faster in discharging efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel ring type feeder stores up coal silo structure, it includes stores up coal silo body, store up the coal silo body and constitute by the storehouse top at storehouse wall and top, wherein the storehouse wall is whole to be cylindrically, installs the storehouse top at the top of storehouse wall, has seted up the storehouse top passageway on the storehouse top, the inside coal storage area and the below that are provided with the top of cylindrical storehouse wall go out coal working area, and this coal working area has arranged round outer loop funnel, has still arranged the inner ring funnel in outer loop funnel, has arranged the guide limit that the round is inwards drawn close on the storehouse wall outside the outer loop funnel to install coal plough and coal unloading car on outer loop funnel and inner loop funnel, install the belt conveyor in coal plough and coal unloading car's below.

As preferable: the inner ring funnel is of a conical structure and is arranged at the middle position in the bin, a circle of outer ring funnel is arranged on the outer side wall of the inner ring funnel, one side bottom edge of the outer ring funnel is erected on the inner ring funnel to form a coal falling gap, the other side bottom edge is erected below the guide edge to form a coal falling gap, one side of the gap between the guide edge and the outer ring funnel is located on the guide edge and close to the bin wall, an annular placing platform is arranged on the bin wall, the gap between the inner ring funnel and the outer ring funnel is located below the outer ring funnel, an annular placing platform is also arranged on the placing platform, and a coal plough vehicle is placed on the placing platform and used for ploughing coal for the gap.

As preferable: the inner ring funnel and the outer ring funnel are supported at the lower position inside the bin wall through support rods, a circle of coal unloading annular support layer for placing a coal unloading vehicle is further arranged at the support rods below the inner ring funnel and the outer ring funnel, and a belt conveyor is placed below the coal unloading vehicle annular support layer.

As preferable: reinforcing ribs are further arranged among the inner ring funnel, the outer ring funnel and the guide edges, are of a reinforced concrete pouring structure and are distributed among the inner ring funnel, the outer ring funnel and the guide edges according to a certain distance, and play a role in improving the stress characteristics of the funnels.

The novel coal storage silo structure of the ring type coal feeder has the advantages of simple structure, small occupied area, convenient construction, reasonable manufacturing cost, good stress performance, high discharging efficiency and the like.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Detailed Description

The utility model will be described in detail with reference to the accompanying drawings: as shown in fig. 1, a novel ring type coal feeder coal storage silo structure comprises a coal storage silo body 1, wherein the coal storage silo body 1 is composed of a silo wall 2 and a silo top 3 at the top, the silo wall 2 is integrally cylindrical, the silo top 3 is installed at the top of the silo wall 2, a silo top channel 4 is arranged on the silo top 3, a coal storage area 5 above and a coal discharge working area 6 below are arranged inside the cylindrical silo wall 2, a circle of outer ring hopper 7 is arranged in the coal discharge working area 6, an inner ring hopper 8 is also arranged in the outer ring hopper 7, a circle of inwardly-closed guide edge 9 is arranged on the silo wall 2 outside the outer ring hopper 7, a coal plough (not shown in the figure) and a coal discharge vehicle (not shown in the figure) are installed on the outer ring hopper 7 and the inner ring hopper 8, and a belt conveyor 12 is installed below the coal plough vehicle and the coal discharge vehicle.

According to the utility model, both the outer ring funnel and the inner ring funnel can adopt cast-in-situ reinforced concrete cylinder structures, and are finished through cast-in-situ, and the outer ring funnel and the inner ring funnel are connected through the annular funnel connecting structure, so that the adverse situation of stress of a funnel cantilever can be greatly improved, and the structure is more reasonable.

The inner ring hopper 8 is of a conical structure and is arranged in the middle position in the bin, a circle of outer ring hopper 7 is arranged on the outer side wall of the inner ring hopper 8, a coal falling gap 13 is formed by erecting the bottom edge of one side of the outer ring hopper 7 on the inner ring hopper 8, a coal falling gap 11 is also formed by erecting the bottom edge of the other side below the guide edge 9, an annular placing platform 10 is arranged on one side of the gap between the guide edge 9 and the outer ring hopper 7, which is close to the bin wall 2, of the guide edge 9, an annular placing platform 14 is also arranged on the lower side of the outer ring hopper 7, which is positioned on the gap between the inner ring hopper 8 and the outer ring hopper 7, and a coal plough (not shown in the figure) is arranged on the placing platform and used for plough coal for the gap.

According to the coal plough disclosed by the utility model, one side bottom edge of the outer ring funnel is erected on the inner ring funnel, the other side bottom edge is erected below the guide edge, and gaps for coal falling are formed between the two sides of the outer ring funnel and the inner ring funnel and between the two sides of the outer ring funnel and the inner ring funnel, so that coal for the gaps can be conveniently ploughed through a coal plough.

The inner ring hopper 8 and the outer ring hopper 7 are supported at the lower position inside the bin wall 2 through support rods 15, a circle of coal unloading annular support layer 16 for placing a coal unloading vehicle is further arranged at the support rods 15 below the inner ring hopper 8 and the outer ring hopper 7, and a belt conveyor 12 is placed below the coal unloading vehicle annular support layer 16.

Reinforcing ribs 17 are further arranged among the inner ring funnel 8, the outer ring funnel 7 and the guide edges 9, the reinforcing ribs 17 are of a reinforced concrete pouring structure and distributed among the inner ring funnel, the outer ring funnel and the guide edges according to a certain distance, the effect of improving the stress characteristics of the funnel is achieved, and the adverse situation of the stress of the funnel cantilever can be greatly improved through the reinforcing ribs 17.

The wall of the bin is of a cast-in-situ reinforced concrete structure or a pre-stressed reinforced concrete structure, and is formed by casting in situ, and the structure of the reinforced concrete beam plate at the top of the bin is formed by casting in situ; the cabin roof adopts a steel truss structure, and is combined with the cabin roof to bear force and work together. The top of the conventional ring type coal feeder silo adopts reinforced concrete structures supported on the outer cylinder and the central inner cylinder, and the construction difficulty is high. The utility model cancels a central upright post, provides a novel funnel design, greatly improves the structure of the bin top and ensures that the structure is more reasonable.

The working principle of the utility model is as follows:

the silo adopts a ring-type coal feeder to discharge coal, the lower part of the silo adopts a ring-shaped gap type lower port for feeding, the ring-shaped gap type discharge port of the silo is formed by combining an inverted cone table connected with the inner wall of the silo and a central mushroom cone, and the cross section of the ring-shaped gap type lower port is W-shaped. The annular gap length is larger than the gap of single-port unloading by other equipment, and has the characteristics of large area of a discharge port, good integral fluidity of coal storage, continuous and uniform discharge, balanced lateral pressure of coal on a bin wall and the like.

Opposite to the running direction of the coal unloading vehicle. When the coal plough is started, the coal plough inserted into the slit coal at the lower part of the silo drops the coal plough in the circular slit of the silo to the coal unloading vehicle running in the opposite direction. And then the coal unloading plate of the coal unloading device unloads the coal on the coal unloading vehicle into the coal dropping hopper at the edge of the coal unloading vehicle until the coal drops onto the lower layer of belt conveyor. The inner ring coal unloader and the outer ring coal unloader are symmetrically arranged at coal dropping openings (coal dropping gaps) of the inner ring hopper and the outer ring hopper, respectively correspond to the lower layer of belt conveyors, and a plurality of belt conveyors can be switched.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel ring type feeder stores up coal silo structure, it includes and stores up coal silo body, its characterized in that: the coal storage silo body comprises a silo wall and a silo top at the top, wherein the silo wall is integrally cylindrical, the top of the silo wall is provided with a silo top channel, a coal storage area above and a coal discharging working area below are arranged in the cylindrical silo wall, a circle of outer ring funnels are arranged in the coal discharging working area, an inner ring funnels are further arranged in the outer ring funnels, a circle of inwardly-closed guide edges are arranged on the silo wall outside the outer ring funnels, a coal plough and a coal unloading vehicle are arranged on the outer ring funnels and the inner ring funnels, and a belt conveyor is arranged below the coal plough and the coal unloading vehicle.

2. The novel ring feeder coal storage silo structure of claim 1, wherein: the inner ring funnel is of a conical structure and is arranged at the middle position in the bin, a circle of outer ring funnel is arranged on the outer side wall of the inner ring funnel, one side bottom edge of the outer ring funnel is erected on the inner ring funnel to form a coal falling gap, the other side bottom edge is erected below the guide edge to form a coal falling gap, one side of the gap between the guide edge and the outer ring funnel is located on the guide edge and close to the bin wall, an annular placing platform is arranged on the bin wall, the gap between the inner ring funnel and the outer ring funnel is located below the outer ring funnel, an annular placing platform is also arranged on the placing platform, and a coal plough vehicle is placed on the placing platform and used for ploughing coal for the gap.

3. The novel ring feeder coal storage silo structure of claim 1, wherein: the inner ring funnel and the outer ring funnel are supported at the lower position inside the bin wall through support rods, a circle of coal unloading annular support layer for placing a coal unloading vehicle is further arranged at the support rods below the inner ring funnel and the outer ring funnel, and a belt conveyor is placed below the coal unloading vehicle annular support layer.

4. The novel ring feeder coal storage silo structure of claim 1, wherein: reinforcing ribs are further arranged among the inner ring funnel, the outer ring funnel and the guide edges, are of a reinforced concrete pouring structure and are distributed among the inner ring funnel, the outer ring funnel and the guide edges according to a certain distance, and play a role in improving the stress characteristics of the funnels.