CN-224215843-U - Automatic slag discharging device for metallurgical slag

CN224215843UCN 224215843 UCN224215843 UCN 224215843UCN-224215843-U

Abstract

The utility model relates to an automatic slag discharging device for metallurgical slag, which aims to solve the problems of low slag cooling efficiency and environmental protection in the slag discharging process. The device comprises an L-shaped cooling pipe with a bent bottom, wherein the upper section of the L-shaped cooling pipe is communicated with a slag discharging hole of a metallurgical furnace, a circulating cooling part is arranged on the cooling pipe and used for cooling slag, the dispersing part comprises a rotating power mechanism, a rotating shaft and a dispersing plate, the dispersing plate is densely provided with dispersing holes and is positioned below the slag discharging hole, the rotating power mechanism drives the rotating shaft to rotate, so that slag is discharged from the dispersing holes under the action of gravity and centrifugal force and dispersed into particles so as to be convenient for rapid cooling and subsequent recovery processing, blades are arranged on the rotating shaft and are positioned above the slag discharging hole, the blades synchronously rotate when the rotating shaft rotates, one end of an exhaust gas discharging pipe is communicated with the top of the cooling pipe, and the other end of the exhaust gas discharging pipe is connected with an exhaust gas treatment system and used for discharging and treating exhaust gas generated by cooling of the slag. The utility model improves the cooling efficiency of slag and the slag discharging process is more environment-friendly.

Inventors

ZHAO JINLONG
Zhong Anding
Ling Yuyuan
LI WENQIANG

Assignees

江西铜鼓有色冶金化工有限责任公司

Dates

Publication Date: 20260508
Application Date: 20250610

Claims (5)

1. An automatic slag discharging device for metallurgical slag, which is characterized by comprising: The cooling pipe is of an L-shaped structure with a bent bottom, and the upper section of the cooling pipe is communicated with a slag discharging port of the metallurgical furnace; A circulation cooling portion provided on the cooling pipe; the dispersing part comprises a rotating power mechanism, a rotating shaft and a dispersing plate, wherein the rotating power mechanism is arranged on the cooling pipe, the rotating shaft is rotatably arranged inside the cooling pipe, the rotating shaft is connected with a power output shaft of the rotating power mechanism, the dispersing plate is arranged on the rotating shaft and positioned below the slag discharging port, and a plurality of dispersing holes are densely distributed on the dispersing plate; the blade is arranged on the rotating shaft and is positioned above the slag discharging port; and one end of the waste gas discharge pipe is communicated with the top of the cooling pipe, and the other end of the waste gas discharge pipe is connected with the waste gas treatment system.
2. The automatic slag discharging device of claim 1, wherein the circulating cooling portion comprises: The cooling water input pipe is communicated with the cooling pipe and is positioned below the dispersing part; The cooling water output pipe is communicated with the bottom bending part of the cooling pipe; The cooling water output pipe is communicated with the cooling water tank; The circulating pump is arranged in the cooling water tank, and the output end of the circulating pump is communicated with the cooling water input pipe.
3. An automatic slag discharging device for metallurgical slag according to claim 2, wherein: The cooling water cooling device comprises a cooling pipe, a cooling water output pipe, a cooling water inlet pipe, a cooling water outlet pipe, a filter plate and a cooling water outlet pipe.
4. The automatic slag discharging device for metallurgical slag according to claim 1, wherein: And a slag collecting vehicle is arranged at the outlet position of the bottom end of the cooling pipe.
5. The automatic slag discharging device for metallurgical slag according to claim 1, wherein: The upper surface of the dispersing plate is a curved surface with the center recessed downwards.

Description

Automatic slag discharging device for metallurgical slag Technical Field The utility model relates to the technical field of metallurgy, in particular to an automatic slag discharging device for metallurgical slag. Background In the production process of the metallurgical industry, the treatment of metallurgical slag has been an important link. The traditional metallurgical slag discharging mode often has a plurality of defects. On the one hand, the slag discharged from the metallurgical furnace is usually in the form of blocks, and the blocks have large volume, so that the cooling speed is slow due to the difficulty in rapidly radiating internal heat in the cooling process, thereby not only prolonging the whole production period, but also increasing the energy consumption. In addition, the block slag has a plurality of inconveniences in the subsequent recovery treatment process, such as difficulty in performing efficient screening, magnetic separation and other operations, and the recovery utilization rate of slag is reduced. On the other hand, metallurgical slag generates a large amount of exhaust gas during cooling, and the exhaust gas contains various harmful substances such as dust, harmful gases, etc. The traditional slag discharging device lacks effective waste gas treatment measures, waste gas is directly discharged into the atmosphere, serious pollution is caused to the environment, the health of staff is endangered, and meanwhile, the current environment-friendly production requirement is not met. Therefore, the development of the automatic slag discharging device for the metallurgical slag, which can effectively discharge slag, rapidly cool the slag and effectively treat waste gas, has important practical significance. Disclosure of utility model The utility model aims to provide an automatic slag discharging device for metallurgical slag, which is used for solving the technical problems that the slag is generally in a block shape, the cooling is inconvenient, and the block-shaped slag has a plurality of inconveniences in the subsequent recovery treatment process when the slag is discharged by the traditional slag discharging device. In order to achieve the purpose, the technical scheme adopted by the utility model is that the automatic slag discharging device for the metallurgical slag is provided, and comprises: The cooling pipe is of an L-shaped structure with a bent bottom, and the upper section of the cooling pipe is communicated with a slag discharging port of the metallurgical furnace; A circulation cooling portion provided on the cooling pipe; the dispersing part comprises a rotating power mechanism, a rotating shaft and a dispersing plate, wherein the rotating power mechanism is arranged on the cooling pipe, the rotating shaft is rotatably arranged inside the cooling pipe, the rotating shaft is connected with a power output shaft of the rotating power mechanism, the dispersing plate is arranged on the rotating shaft and positioned below the slag discharging port, and a plurality of dispersing holes are densely distributed on the dispersing plate; the blade is arranged on the rotating shaft and is positioned above the slag discharging port; and one end of the waste gas discharge pipe is communicated with the top of the cooling pipe, and the other end of the waste gas discharge pipe is connected with the waste gas treatment system. In one embodiment, the circulating cooling portion includes: The cooling water input pipe is communicated with the cooling pipe and is positioned below the dispersing part; The cooling water output pipe is communicated with the bottom bending part of the cooling pipe; The cooling water output pipe is communicated with the cooling water tank; The circulating pump is arranged in the cooling water tank, and the output end of the circulating pump is communicated with the cooling water input pipe. In one embodiment, the cooling device further comprises a filter plate, wherein the filter plate is arranged at a bending part in the cooling pipe, and the filter plate covers the inlet of the cooling water output pipe. In one embodiment, a slag collection vehicle is provided at the outlet of the bottom end of the cooling pipe. In one embodiment, the upper surface of the dispersion plate is a curved surface with a concave center. The above-mentioned one or more technical solutions in the embodiments of the present utility model at least have the following technical effects or advantages: According to the automatic metallurgical slag discharging device provided by the embodiment of the utility model, the dispersing part is arranged, so that when slag in a metallurgical furnace enters the cooling pipe and falls onto the dispersing plate, the rotating power mechanism drives the rotating shaft to rotate, and the dispersing plate is driven to synchronously rotate. Under the combined action of gravity and centrifugal force, slag is discharged from the dispersing holes on the disp