CN219043383U

CN219043383U - Anti-blocking feeding pipe chute of coal mill

Info

Publication number: CN219043383U
Application number: CN202222870117.8U
Authority: CN
Inventors: 杨宗武; 雷强
Original assignee: Huaxin Holdings Henan Co Ltd
Current assignee: Huaxin Holdings Henan Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-05-19
Anticipated expiration: 2033-02-28

Abstract

The utility model provides an anti-blocking feeding pipe chute of a coal mill, wherein two ends of the chute are respectively provided with a connecting frame, the connecting frames are positioned outside the two ends of the chute, and the lower part of the chute is also provided with a vibrating motor; the short rods with uniform intervals are arranged between the connecting frame and the outer wall of the chute, the short rods are inserted into slots on the inner side of the connecting frame, a spring is arranged on each short rod, two ends of the spring are respectively connected with the outer wall of the chute and the inner wall of the connecting frame, and the two connecting frames are respectively connected to the coal mill and the feeding equipment. The beneficial effects are that: the connecting frames are arranged at the two ends of the chute, when the chute vibrates under the driving of the vibrating motor, the chute vibrates on the two connecting frames, so that the normal operation of the coal mill cannot be influenced, the vibrating motor can be started at high power, attachments in the chute can be cleaned better, and the chute is prevented from being blocked.

Description

Anti-blocking feeding pipe chute of coal mill

Technical Field

The utility model relates to the technical field of coal mills, in particular to an anti-blocking feeding pipe chute of a coal mill.

Background

The coal mill feed pipe chute mainly conveys raw coal, ground coal water and other auxiliary materials, such as coal water slurry additives, limestone and the like, to important equipment in a coal mill barrel. The feeding pipe chute is provided with an inclined angle, the upper end opening is simultaneously connected with equipment such as a coal weighing feeder, a coal grinding water pipeline, a coal water slurry adding machine, a limestone adding machine and the like, and the lower end opening is connected into the body.

When the existing dead weight chute is used for feeding, firstly coal, water, auxiliary materials and the like are mixed to form a mixed material, and the dead weight of the mixed material is utilized to slide into a coal mill barrel from an opening at the upper end of the chute. Because the mixed material contains raw material coal, ground coal water, a water-coal slurry additive, limestone and the like, the mixed material has the physical characteristics of paste adhesion and the like, when the pipe wall channel of the chute is longer, the top ground coal water only can wash the top position of the chute, and in the sliding process of the mixed material in the chute, the ground coal water is gradually separated from other materials with larger viscosity along with friction between the mixed material and the pipe wall of the chute, the ground coal water slides downwards preferentially, and the rest materials with larger viscosity can adhere to the inner wall of the chute to cause accumulation. If the treatment cannot be found timely, large-area blockage can be caused, equipment is required to be shut down for cleaning the blockage, and a chute is cleaned for a long time.

The prior patent CN201020636090.0 discloses an anti-blocking chute, wherein a manganese steel plate is arranged on the impact surface of the chute, the manganese steel plate is arranged on the impact surface of the chute in a hanging way at the upper part, a vibrator is arranged on the easy material accumulation surface of the chute, and the inclination angle of the front surface and the rear surface of the chute is 67 degrees. Although the vibrator can clean up the materials adhered at dead corners, the integral vibration of the device is unfavorable for the operation of equipment, the chute is easy to damage, and the service life of the equipment is reduced.

Disclosure of Invention

The utility model provides a novel laser ultrasonic visual detector based on at least one of the technical problems.

An anti-blocking feed pipe chute for a coal pulverizer, comprising: the device comprises a chute and connecting frames, wherein two ends of the chute are respectively provided with a connecting frame, the connecting frames are positioned outside the two ends of the chute, and a vibrating motor is arranged at the lower part of the chute; the utility model discloses a coal pulverizer, including the chute, the link with be equipped with the link in the chute, the link with be equipped with the quarter butt of interval uniformity between the outer wall of chute, the quarter butt inserts in the inboard slot of link, every all be equipped with a spring on the quarter butt, the both ends of spring respectively with the chute outer wall with on the link inner wall, two the link is connected to coal pulverizer and firing equipment respectively.

Further, a supporting frame is also arranged in the middle of the chute, the supporting frame has the same structure as the connecting frame, and the supporting frame is fixedly connected with the fixing frame.

Further, a plurality of sliding grooves are formed in the inner wall of the slot, the sliding grooves are located at the middle lower portion of the slot, a plurality of sliding rods are arranged at the front ends of the short rods, and the sliding rods are inserted into the sliding grooves.

The beneficial effects are that: the connecting frames are arranged at the two ends of the chute, when the chute vibrates under the driving of the vibrating motor, the chute vibrates on the two connecting frames, so that the normal operation of the coal mill cannot be influenced, the vibrating motor can be started at high power, attachments in the chute can be cleaned better, and the chute is prevented from being blocked.

Drawings

FIG. 1 shows a schematic structural view of the present utility model;

FIG. 2 shows a cross-sectional block diagram of a chute of the present utility model;

fig. 3 shows a block diagram of the short bar of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

1-3, an anti-blocking feed pipe chute for a coal pulverizer, comprising: chute 1, link 2, the both ends of chute 1 respectively are equipped with a link 2, and link 2 is located the outside at chute 1 both ends, and two links 2 are connected to coal pulverizer and firing equipment respectively, have screw 6 on the link 2, utilize the bolt to fix link 2 on coal pulverizer and firing equipment.

The lower part at chute 1 still is equipped with vibrating motor 3, and vibrating motor 3 starts the back and can drive chute 1 vibration, and chute 1 can prevent under the circumstances of vibration that the great material of viscidity can adhere in chute 1 inner wall, is equipped with the quarter butt 7 of interval between link 2 and the outer wall of chute 1, and quarter butt 7 inserts in the inboard slot 6 of link 2, all is equipped with a spring 8 on every quarter butt 7, and the both ends of spring 8 are respectively with on chute 1 outer wall and the link 2 inner wall.

The short rod 7 and the spring 8 are matched for use, so that the chute 1 can be manufactured, the chute 1 can collide with the connecting frame 2 during vibration, and vibration energy transmitted to the connecting frame 2 through the short rod 7 can be reduced.

Example 1

When the length of the chute 1 is longer, a supporting frame 4 can be added, the structure of the supporting frame arranged in the middle of the chute 1 is the same as that of the connecting frame 2, and the supporting frame 4 is fixedly connected with the fixing frame 5.

Example two

A plurality of symmetrical sliding grooves 9 are formed in the inner wall of the slot 6, the sliding grooves 9 are positioned at the middle lower part of the slot 6, a plurality of sliding rods 10 are arranged at the front end of the short rod 7, the sliding rods 10 are inserted into the sliding grooves 9, when the sliding grooves 1 vibrate, the sliding rods 10 move in the sliding grooves 9 and cannot slide out of the sliding grooves 9, and therefore the short rod 7 cannot be separated from the sliding grooves 9, namely: the short bars 7 do not fall off the connecting frame 2, which ensures that the chute 1 is always mounted on the connecting frame 2.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a prevent stifled inlet pipe chute of coal pulverizer which characterized in that includes: the device comprises a chute and connecting frames, wherein two ends of the chute are respectively provided with a connecting frame, the connecting frames are positioned outside the two ends of the chute, and a vibrating motor is arranged at the lower part of the chute; the utility model discloses a coal pulverizer, including the chute, the link with be equipped with the link in the chute, the link with be equipped with the quarter butt of interval uniformity between the outer wall of chute, the quarter butt inserts in the inboard slot of link, every all be equipped with a spring on the quarter butt, the both ends of spring respectively with the chute outer wall with on the link inner wall, two the link is connected to coal pulverizer and firing equipment respectively.

2. The coal mill anti-blocking feed pipe chute according to claim 1, wherein a support frame is also arranged in the middle of the chute, the support frame has the same structure as the connecting frame, and the support frame is fixedly connected with the fixing frame.

3. The coal mill anti-blocking feed pipe chute according to claim 1, wherein a plurality of sliding grooves are formed in the inner wall of the slot, the sliding grooves are located at the middle lower portion of the slot, a plurality of sliding rods are arranged at the front ends of the short rods, and the sliding rods are inserted into the sliding grooves.