CN210029302U - Automatic feeding device for side-blown smelting - Google Patents

Abstract

The utility model relates to an automatic feeding device for side-blown smelting, which comprises a side-blown smelting furnace, wherein a feeding hole is formed at the upper end of the side-blown smelting furnace; and a feed inlet of the side-blown smelting furnace is connected with a sintering block feeding mechanism and an auxiliary material feeding mechanism. The utility model provides an automatic loading attachment of side-blown smelting has realized that bold sintered cake measurement is carried, adopts bucket conveyor, and equipment area is little, avoids band conveyer's wide-angle to carry. The metering conveying of coke, limestone, quartzite and iron ore in certain sizes is realized, the field environment is improved, the labor efficiency is improved, and the using amount of auxiliary materials is reduced.

Description

Automatic feeding device for side-blown smelting

Technical Field

The utility model relates to an environmental protection field, concretely relates to automatic loading attachment that side-blown smelted.

Background

At present when the side-blown smelting furnace is handled solid danger and is useless, mostly adopt small handcart or forklift feeding, the ubiquitous degree of automation is low, and low in labor efficiency, the cost of labor is high, and scene auxiliary material stacks in a jumble, because of reinforced inaccurate measurement, leads to the auxiliary material to add on a large scale simultaneously, and the metal recovery rate reduces, and the smelting sediment increases. In addition, the sintered blocks are generally high in hardness and large in particle size, a conventional rubber belt scale is adopted, a belt is easily abraded in the conveying process or the conveying distance is long due to the conveying angle, and a large field is needed.

The invention discloses a patent document CN 207109068U, which relates to an automatic conveying system for furnace burden of a secondary lead smelting furnace, and mainly introduces automatic feeding of lead slime, does not relate to auxiliary material feeding, and does not introduce sintering fast conveying.

The existing device introduces and adopts some modes to realize the conveying of materials, but the conveying of the heavy metal sludge sinter cake and auxiliary materials of the side-blown smelting furnace is not reported at present.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the automatic feeding device for side-blown smelting is provided, and the problems of low feeding automation degree and low labor efficiency are solved.

The utility model provides a technical scheme that its technical problem adopted is: an automatic feeding device for side-blown smelting comprises a side-blown smelting furnace, wherein a feeding hole is formed in the upper end of the side-blown smelting furnace;

and a feed inlet of the side-blown smelting furnace is connected with a sintering block feeding mechanism and an auxiliary material feeding mechanism.

Further, the connected sinter cake feeding mechanism comprises a main bin, a first level indicator, a first gate valve, a first electronic belt scale and a hopper conveyor;

the first material level meter is fixedly arranged in the main material bin, the first gate valve is fixedly arranged at a discharge port at the lower end of the main material bin, and the first electronic belt scale is positioned below the discharge port of the main material bin and is suitable for receiving the sinter cake in the main material bin; the first electronic belt scale is located at the feeding end of the hopper conveyor, and the discharging end of the hopper conveyor is located above the feeding hole of the side-blown smelting furnace.

Further, the auxiliary material feeding mechanism comprises a quartz stone discharging mechanism, a limestone discharging mechanism, an iron ore discharging mechanism, a coke discharging mechanism, an electric grab bucket and a belt conveyor;

the discharge gates of the quartz stone discharging mechanism, the limestone discharging mechanism, the iron ore discharging mechanism and the coke discharging mechanism are all located above the feeding end of the belt conveyor, and the discharging end of the belt conveyor is located above the feeding hole of the side-blown smelting furnace.

Furthermore, each discharging mechanism comprises an auxiliary material bin, a second material level meter, a second gate valve and a second electronic belt scale;

the second level indicator is fixedly arranged in the auxiliary material bin, the second gate valve is fixedly arranged at a discharge port at the lower end of the auxiliary material bin, and the second electronic belt scale is positioned below the discharge port of the auxiliary material bin; and the second electronic belt scale is positioned above the feeding end of the belt conveyor.

Further, the gate valve is an electronic gate valve.

The utility model has the advantages that:

the utility model provides an automatic loading attachment of side-blown smelting has realized that bold sintered cake measurement is carried, adopts bucket conveyor, and equipment area is little, avoids band conveyer's wide-angle to carry.

The metering conveying of coke, limestone, quartzite and iron ore in certain sizes is realized, the field environment is improved, the labor efficiency is improved, and the using amount of auxiliary materials is reduced.

The whole-process preparation metering weighing is adopted, so that the materials are accurately added according to the proportion, and the operation of the whole equipment device is ensured.

The whole-process preparation metering weighing is adopted, so that the materials are accurately added according to the proportion, and the operation of the whole equipment device is ensured.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of an automatic feeding device for side-blown smelting according to the present invention;

wherein, 1, side-blown smelting stove, 2, fritting piece feed mechanism, 21, major ingredient storehouse, 22, first charge level indicator, 23, first push-pull valve, 24, first electronic belt weigher, 25, hopper conveyor, 3A, quartz discharge mechanism, 3B, lime stone discharge mechanism, 3C, iron ore discharge mechanism, 3D, coke discharge mechanism, 31, auxiliary material storehouse, 32, second charge level indicator, 33, second electronic belt weigher, 34, second push-pull valve, 4, belt conveyor, 5, electronic grab bucket.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, an automatic feeding device for side-blown smelting comprises a side-blown smelting furnace 1, wherein a feeding hole is formed in the upper end of the side-blown smelting furnace 1; and a feed inlet of the side-blown smelting furnace 1 is connected with a sinter cake feeding mechanism 2 and an auxiliary material feeding mechanism.

Specifically, the connected sinter cake feeding mechanism 2 comprises a main bin 21, a first level indicator 22, a first gate valve 23, a first electronic belt scale 24 and a hopper conveyor 25;

the first level indicator 22 is fixedly arranged in the main bin 21 and is used for detecting the position of a sintering block in the main bin 21;

first push-pull valve 23 is fixed to be set up in main feed bin 21 lower extreme discharge gate department, and first push-pull valve 23 is the electron push-pull valve, and the electron push-pull valve is present ripe product in this field, does not do here and gives unnecessary details.

The first electronic belt scale 24 is positioned below the discharge hole of the main storage bin 21 and is suitable for receiving the sinter cake in the main storage bin 21; the first electronic belt scale 24 is located at the feeding end of the hopper conveyor 25, and the discharging end of the hopper conveyor 25 is located above the feeding hole of the side-blown smelting furnace 1.

Specifically, auxiliary material feed mechanism is used for adding slagging constituent (quartz, lime stone, iron ore) in the side-blown smelting furnace 1, consequently, auxiliary material feed mechanism includes 4 sub-mechanisms, specifically is quartz discharge mechanism 3A, lime stone discharge mechanism 3B, iron ore discharge mechanism 3C, coke discharge mechanism 3D, electronic grab 5 and band conveyer 4.

The discharge gates of each quartz stone discharging mechanism 3A, the limestone discharging mechanism 3B, the iron ore discharging mechanism 3C and the coke discharging mechanism 3D are all located above the feeding end of the belt conveyor 4, and the discharging end of the belt conveyor 4 is located above the feeding hole of the side-blown smelting furnace 1.

Specifically, each discharging mechanism comprises an auxiliary bin 31, a second level indicator 32, a second gate valve 34 and a second electronic belt scale 33;

the second level indicator 32 is fixedly arranged in the auxiliary material bins 31 and is respectively used for detecting the positions of quartz stone, limestone and iron ore in each auxiliary material bin 31;

the second gate valve 34 is fixedly arranged at a discharge outlet at the lower end of the auxiliary material bin 31, the second gate valve 34 is an electronic gate valve, and the electronic gate valve is an existing mature product in the field and is not described herein any more. The second electronic belt scale 33 is positioned below the discharge port of the auxiliary material bin 31; the second electronic belt scale 33 is located above the feeding end of the belt conveyor 4.

The utility model discloses in hopper conveyor 25, band conveyer 4, first electronic belt balance 24, second electronic belt balance 33, first charge level indicator 22 and second charge level indicator 32 that relate are present ripe product, obtain through direct purchase on the market.

During operation, the heavy metal mud is through 100mm fritting blocks after the sintering in entering main feed bin 21, and the fritting block passes through main feed bin 21, and first push-pull valve 23 control fritting block falls into first electronic belt weigher 24 measurement and weighs, and later the fritting block falls to hopper conveyor 25, then carries to side-blown smelting furnace 1 and smelts the recovery metal, and the fritting block is given the material piece and is spilled over soon or the load is too fast at the fritting block, carries out PLC control through first charge level indicator 22 and electronic push-pull valve respectively.

Then coke and slag formers (quartz stone, limestone and iron ore) are sequentially and respectively added, the coke, the quartz stone, the limestone and the iron ore with the thickness of 40mm in the large storage bin are respectively grabbed into the auxiliary material bins 31 through the electric grab bucket 5, the respective materials are measured through the electric second electronic belt scale 33 according to the pre-calculated amount and are sequentially conveyed to the side-blown smelting furnace 1 through the belt conveyor 4, and the heights and the discharge amount in the auxiliary material bins 31 are also respectively controlled through the second material level meter 32 and the second gate valve 34. When the material column descends to a certain height, the next cycle is started.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (5)

1. An automatic feeding device for side-blown smelting is characterized by comprising a side-blown smelting furnace, wherein a feeding hole is formed in the upper end of the side-blown smelting furnace;

and a feed inlet of the side-blown smelting furnace is connected with a sintering block feeding mechanism and an auxiliary material feeding mechanism.

2. The automatic feeding device for the side-blown smelting of claim 1, wherein the connecting sinter cake feeding mechanism comprises a main storage bin, a first level indicator, a first gate valve, a first electronic belt scale and a hopper conveyor;

the first material level meter is fixedly arranged in the main material bin, the first gate valve is fixedly arranged at a discharge port at the lower end of the main material bin, and the first electronic belt scale is positioned below the discharge port of the main material bin and is suitable for receiving the sinter cake in the main material bin; the first electronic belt scale is located at the feeding end of the hopper conveyor, and the discharging end of the hopper conveyor is located above the feeding hole of the side-blown smelting furnace.

3. The automatic feeding device for the side-blown smelting according to claim 1, wherein the auxiliary material feeding mechanism comprises a quartz stone discharging mechanism, a limestone discharging mechanism, an iron ore discharging mechanism, a coke discharging mechanism, an electric grab and a belt conveyer;

the discharge gates of the quartz stone discharging mechanism, the limestone discharging mechanism, the iron ore discharging mechanism and the coke discharging mechanism are all located above the feeding end of the belt conveyor, and the discharging end of the belt conveyor is located above the feeding hole of the side-blown smelting furnace.

4. The automatic feeding device for the side-blown smelting of claim 3, wherein each discharging mechanism comprises an auxiliary bin, a second level indicator, a second gate valve and a second electronic belt scale;

the second level indicator is fixedly arranged in the auxiliary material bin, the second gate valve is fixedly arranged at a discharge port at the lower end of the auxiliary material bin, and the second electronic belt scale is positioned below the discharge port of the auxiliary material bin; and the second electronic belt scale is positioned above the feeding end of the belt conveyor.

5. The automatic feeding device for the side-blown smelting according to claim 2 or 4, wherein the gate valve is an electronic gate valve.

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