CN216593639U

CN216593639U - Stone coal slag discharging material level alarm device

Info

Publication number: CN216593639U
Application number: CN202122162748.XU
Authority: CN
Inventors: 廉敬龙; 刘更; 刘森; 姚磊
Original assignee: Datang Binchang Power Generation Co ltd; Datang Shaanxi Power Generation Co Ltd
Current assignee: Datang Binchang Power Generation Co ltd; Datang Shaanxi Power Generation Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-05-24
Anticipated expiration: 2031-09-08

Abstract

The utility model provides a pebble coal slag discharge material level alarm device which comprises a slag discharge box, a material level switch and a material guide pipe which are arranged on the slag discharge box, a slag discharge secondary door and a slag discharge primary door which are arranged on the material guide pipe, wherein the top of the slag discharge box is provided with a slag discharge port, the lower end of the material guide pipe is arranged above the slag discharge port, the material level switch is arranged at the slag discharge port, a probe rod at the bottom of the material level switch extends into the slag discharge box, the slag discharge secondary door and the slag discharge primary door are arranged in parallel, the axes of the slag discharge secondary door and the slag discharge primary door are mutually vertical, a flow guide pipe is communicated or stopped under the effects of the slag discharge secondary door and the slag discharge primary door, the material level switch is connected with an upper computer guide line, a flow guide plate is arranged at the lower end of the material guide pipe, and the lower end of the flow guide plate is arranged below the probe rod of the material level switch. According to the utility model, the guide plate is arranged in the deslagging box, so that the pebble coal discharge guide pipe is prolonged, the problem of inaccurate pebble coal level alarm of the coal mill is solved, and the normal use and the service life of the coal mill are ensured.

Description

Stone coal slag discharging material level alarm device

Technical Field

The utility model relates to the technical field of coal mill equipment, in particular to a pebble coal slag discharging material level alarm device.

Background

The ZGM113 coal mill is a medium-speed roller disc type coal mill, pebble coal falls into a primary air chamber after being separated during operation of the coal mill, is scraped into a slag discharging box by a scraper, closes a slag discharging secondary door after a pebble coal trolley is filled with the pebble coal, and sends an alarm to an upper computer (a material level switch is positioned 10cm in front of the center of a pebble coal slag discharging port) to be manually cleaned. As the slag discharging and guiding pipe is arranged at the position behind the mounting position of the material level indicator, as shown in figure 1, pebble coal enters the slag discharging box and is accumulated at the top of the slag discharging box, the actual condition of the material level of the pebble coal cannot be correctly reflected, and the pebble coal is discharged out of time. The pebble coal accumulation in the coal mill affects the service life and normal operation of the coal mill.

Disclosure of Invention

The utility model provides a pebble coal slag discharge material level alarm device which can solve the problem of inaccurate pebble coal material level alarm of a coal mill and ensure the normal use and the service life of the coal mill.

The technical scheme of the utility model is as follows: the utility model provides a stone coal arranges sediment material level alarm device, includes row's sediment case, material level switch and the passage of setting on row's sediment case, sets up row's sediment secondary door and row's sediment primary door on the passage, the top of row's sediment case is equipped with row's cinder notch, the lower extreme setting of passage is in the top of arranging the cinder notch, the material level switch sets up in row's cinder notch department, and the bottom probe rod is deep into to row's sediment incasement, arrange sediment secondary door and arrange a parallel arrangement of sediment door, the axis mutually perpendicular of its axis and honeycomb duct, the honeycomb duct feeds through or ends under the effect of arranging sediment secondary door and arranging sediment primary door, material level switch and host computer wire connection can look over the monitoring result in real time, the lower extreme of passage is equipped with the guide plate, the lower extreme setting of guide plate is in the probe rod below of material level switch.

Preferably, the included angle between the guide plate and the top of the slag discharging box is 35-38 degrees.

Preferably, the guide plate and the guide tube have parallel axes.

Preferably, the guide plate is of a circular arc structure.

Preferably, a protective cover is arranged between the slag discharging port of the slag discharging box and the material guide pipe.

Preferably, the side surface of the slag discharging box is provided with a push-pull handle, and the bottom of the slag discharging box is provided with a traveling wheel.

Preferably, the connecting end of the guide plate and the guide pipe is provided with a connecting rod, the bottom of the guide pipe is provided with a mounting hole, the connecting rod penetrates through the mounting hole to be fixed with the guide pipe through a bolt, and the bolt can be tightened to adjust the angle of the guide plate.

Preferably, the draft tube and the guide plate are connected in a welding mode.

The utility model has the advantages that: according to the utility model, the guide plate is arranged in the deslagging box, the pebble coal discharging and guiding pipe is prolonged, the blanking position is positioned under the material level switch probe, the angles of the guide pipe and the guide plate are adjusted to prevent the high material level alarm from being mistakenly sent due to the fact that the guide pipe and the guide plate are too close to the material level meter, the problem of inaccurate pebble coal material level alarm of the coal mill is solved, and the normal use and the service life of the coal mill are ensured.

Drawings

FIG. 1 is a schematic view of a prior art structure;

FIG. 2 is a schematic structural diagram of a pebble coal slag discharge material level alarm device of the present invention;

FIG. 3 is a schematic view of a deflector structure of the pebble coal slag discharging level alarm device of the present invention;

wherein: 1. the device comprises a material level switch, 2, a material guide pipe, 3, a guide plate, 4, a slag discharge secondary door, 5, a slag discharge primary door, 6 and a connecting rod.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.

The specific implementation mode of the utility model is as follows: as shown in figures 2-3, a pebble coal slag discharge material level alarm device comprises a slag discharge box, a material level switch 1 and a material guide pipe 2 which are arranged on the slag discharge box, a slag discharge secondary door 4 and a slag discharge primary door 5 which are arranged on the material guide pipe 2, the top of the slag discharging box is provided with a slag discharging port, the lower end of the material guide pipe 2 is arranged above the slag discharging port, the material level switch 1 is arranged at the slag discharging port, the bottom feeler lever extends into the slag discharging box, the slag discharging secondary door 4 and the slag discharging primary door 5 are arranged in parallel, the axial line of the guide pipe 2 is vertical to the axial line of the guide pipe 2, the guide pipe 2 is communicated or cut off under the action of a slag discharge secondary door 4 and a slag discharge primary door 5, the material level switch 1 is connected with an upper computer through a guide wire, the monitoring result can be checked in real time, the lower end of the guide pipe 2 is provided with a guide plate 3, and the lower end of the guide plate 3 is arranged below the probe rod of the material level switch 1.

In this embodiment, the included angle between the guide plate 3 and the top of the slag discharging box is 35-38 °.

Further, the guide plate 3 and the guide tube 2 are parallel to each other in axis.

In this embodiment, the baffle 3 has a circular arc structure.

Further, the protective cover is arranged between the slag discharging opening of the slag discharging box and the material guide pipe 2, so that dust can be prevented from being generated in the slag discharging process, and a civilized environment-friendly construction site is built.

Furthermore, the slag discharging box is provided with a push-pull handle on the side face and a walking wheel on the bottom, so that the slag discharging box can be conveniently moved and processed in time after being fully piled.

Further, this embodiment, guide plate 3 and honeycomb duct 2 link are equipped with connecting rod 6, the bottom of honeycomb duct 2 is equipped with the mounting hole, connecting rod 6 passes the mounting hole and realizes through the bolt with honeycomb duct 2 fixed, also can unscrew the angle of bolt adjustment guide plate 3 to the position of adjustment and material level switch 1 probe rod, it is fixed to screw up the bolt after the adjustment.

In this embodiment, the draft tube 2 and the guide plate 3 are welded and connected, and the installation angle and the position of the guide plate are determined and then welded, so that the connection is firmer.

While the preferred embodiments of the utility model have been described, it is to be understood that the utility model is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a stone coal arranges sediment material level alarm device, includes row's sediment case, material level switch and the passage of setting on row's sediment case, sets up row's sediment secondary door and row's sediment primary door on the passage, the top of row's sediment case is equipped with row's cinder notch, the lower extreme setting of passage is in the top of arranging the cinder notch, the material level switch sets up in row's cinder notch department, and the bottom probe rod is deep into row's sediment incasement, arrange sediment secondary door and arrange a parallel arrangement of sediment door, the axis mutually perpendicular of its axis and honeycomb duct, the honeycomb duct feeds through or ends under the effect of arranging sediment secondary door and arranging sediment primary door, material level switch and host computer wire connection can look over the monitoring result in real time, its characterized in that, the lower extreme of passage is equipped with the guide plate, the lower extreme setting of guide plate is in the probe rod below of material level switch.

2. The pebble coal slag discharging material level alarming device as recited in claim 1, wherein an included angle between the guide plate and the top of the slag discharging box is 35-38 degrees.

3. The pebble coal slag discharging material level alarming device of claim 1, wherein the axes of the guide plate and the guide pipe are parallel.

4. The pebble coal slag discharging material level alarming device of claim 1, wherein the guide plate is of a circular arc structure.

5. The pebble coal slag discharging material level alarming device of claim 1, wherein a protective cover is arranged between a slag discharging port of the slag discharging box and the material guide pipe.

6. The pebble coal slag discharging material level alarming device as claimed in claim 1, wherein a push-pull handle is arranged on the side surface of the slag discharging box, and a walking wheel is arranged at the bottom of the slag discharging box.

7. The pebble coal slag discharge material level alarm device according to claim 1, wherein a connecting rod is arranged at the connecting end of the guide plate and the guide pipe, a mounting hole is formed in the bottom of the guide pipe, the connecting rod penetrates through the mounting hole to be fixed with the guide pipe through a bolt, and the angle of the guide plate can be adjusted by tightening the bolt.

8. The pebble coal slag discharging material level alarming device of claim 1, wherein the guide pipe is connected with the guide plate in a welding way.