Pneumatic material feeding type automatic slag adding machine

Abstract

The invention discloses a pneumatic material feeding type automatic slag adding machine which comprises a slag trolley, a material box, at least one metering pump, a slag blower, a material mixing pipe and a stirring mechanism, wherein the slag trolley comprises a trolley body on which four wheels and a handle are arranged; the material box is arranged on the trolley body of the slag trolley through a supporting seat; a material box cover is arranged on the material box; the lower part of the material box is conical; at least one material outlet is formed in the bottom of the material box; each metering pump is correspondingly arranged below each material outlet of the material box; an inlet of the slag blower is correspondingly formed below an outlet of each metering pump; the material mixing pipe is correspondingly arranged below an outlet of the slag blower and is connected with a material distribution pipe of a crystallizer through a connection hose; the stirring mechanism comprises a stirring piece and a driving motor thereof; the stirring piece is arranged on the lower part in the material box. By adopting gas continuous feeding, the pneumatic material feeding type automatic slag adding machine has the characteristics that the input and the use are facilitated, the slag adding machine is small in size, protection slag cannot be powdered in a slag adding process, the improvement of the site environment and the reduction of the consumption of the protection slag are facilitated, the slag adding machine body is low in energy consumption, runs with no noise and is low in cost and the like.

Description

technical field [0001] The invention belongs to continuous casting production auxiliary equipment, in particular to a pneumatic feeding type automatic slag adding machine. Background technique [0002] During the continuous casting pouring process, according to the requirements of steel types, different types of mold slag are automatically and evenly added to the molten steel surface of the crystallizer to prevent secondary oxidation of molten steel and excessive heat dissipation, and at the same time play a role in lubrication, heat transfer and filling. air gap etc. [0003] At present, similar manufacturers of domestic continuous casting machines basically use manual addition of mold slag. The disadvantage is that it is difficult to control the amount of slag added, and uneven pushing will easily cause quality problems of slab products. At the same time, artificial mold slag is added, the labor intensity of the operator is relatively high, and the consumption of mold sla...

AI Technical Summary

Problems solved by technology

[0011] 1. The overall length of the equipment is long, the structure is relatively large, and there are many interferences with the field equipment, which is inconvenient to use, including: it is inconvenient to add protective slag in the slag bucket, it is inconvenient to locate, move and store the slag adding machine, and it is inconvenient to replace the tundish It is inconvenient to insert iron plate, remove slag, nozzle replacement or abnormal production of steel type, and it is easy to damage the equipment;

[0012] 2. With screw conveying, the dusting of mold slag is very serious, which affects the performance of mold slag, pollutes the environment, increases the consumption of mold slag, and there is slag adding noise on site; while the system using gravity conveying must compare the platform Large-scale transformation is suitable for new casting machines, and the investment is also larger;

[0013] 3. The function is not perfect, the consumption cannot be counted, the emptying time of the material box is long, and the feeding cannot be adjusted separately according to the characteristics of the crystallizer liquid level on both sides;

[0014] 4. The material of the slag feeding pipe is likely to interfere with the liquid level detection sensor of the crystallizer;

[0015] 5. The mold slag is heated unevenly, and the positive pressure generated during heating makes the slag powder fly out from around the barrel cover

The waste of slag affects the production environment;

[0016] 6. The equipment is complicated, the manufacturing cost is high, the maintenance is difficult, and the energy consumption of the motor is large

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