Head and tail sealed active seal device with angle adjustable upper cover board for sintering machine

Abstract

The invention refers to a kind of dynamic lock device whose cover angle of the upper cover sealing the head and back of the sintering machine can be adjusted automatically. The device includes a upper board, a movement supporting pole, a limit pole, a localization and lock supporting axis, ash hopper, rigidity sealing board, the pulling force part made up of constant hydraulic system; the device is supported by the movement supporting pole and the sealing supporting, the movement supporting and the upper cover board form the moving pairs, the localization sealing supporting pole and the upper cover board form the back rolling pairs, changes the mechanism of the original back rolling pairs. The invention reduces the coal gas consumption and solid fuel consumption; upgrades the lifespan of igniter, the sintering area can upgrade for 5-10%, upgrade the sintering quantity and quality, and reduce the cost greatly.

Description

[0001] Field [0002] The invention relates to a head and tail sealing device of a sintering machine, in particular to a dynamic sealing device of an upper cover plate angle automatic adjustment for the head and tail sealing of a sintering machine. Background technique [0003] The quality of the sealing performance of the sintering machine plays a very important role in reducing costs and increasing production. In the sealing links of the sintering machine, since the head and tail seals and the sliding plate seal of the trolley are dynamic seals, a flexible and reliable mechanism is necessary to achieve a better sealing effect. At present, the front and rear seals of the sintering machine mostly adopt the form of four-linkage rods, and its main disadvantages are: 1. High precision requirements for manufacturing and installation, otherwise the flexibility of the sealing device will be affected. 2. The cover plate can only move in translation, but the bottom surface of the tro...

AI Technical Summary

Problems solved by technology

At present, the head and tail seals of the sintering machine mostly adopt the form of four-linkages, and its main disadvantages are: 1. High precision requirements for manufacturing and installation, otherwise the flexibility of the sealing device will be affected

2. The cover plate can only move in translation, but the bottom surface of the trolley cannot be on a plane, so it cannot fully seal the bottom surface of the trolley

3. Since the cover plate and the bottom surface of the trolley cannot be fully contacted, the pressure on the unit contact area is relatively large, which will accelerate the wear speed of the bottom surface of the trolley and the cover plate. Therefore, it is necessary to keep the cover plate and the bottom surface of the trolley A certain gap, which will lead to air leakage and the material caused by air leakage to scour the surface of the cover plate, which accelerates the wear of the cover plate

4. Air leakage at the head and tail leads to a reduction in the negative pressure of the head and tail air boxes, reducing the sintering area

The ignition furnace cannot achieve centralized ignition, and the flame in the ignition furnace must be expanded to the exhaust range of the 2# air box, which consumes a large amount of gas, reduces the life of the ignition furnace, reduces the surface quality of the sintered ore, and reduces the yield

The shortcomings of the above aspects lead to a decrease in the speed of the sintering machine, a decrease in output and quality, and an increase in gas, solid fuel, and power consumption.

Images