CN213996619U - Converter steel slag screening device - Google Patents

Converter steel slag screening device Download PDF

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Publication number
CN213996619U
CN213996619U CN202022583235.1U CN202022583235U CN213996619U CN 213996619 U CN213996619 U CN 213996619U CN 202022583235 U CN202022583235 U CN 202022583235U CN 213996619 U CN213996619 U CN 213996619U
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China
Prior art keywords
bank
screens
frame
slag
main part
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Active
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CN202022583235.1U
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Chinese (zh)
Inventor
张帅
乔冠男
曹祥
王新刚
李树斌
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Angang Steel Co Ltd
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Angang Steel Co Ltd
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Priority to CN202022583235.1U priority Critical patent/CN213996619U/en
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  • Combined Means For Separation Of Solids (AREA)

Abstract

The utility model provides a converter slag screening plant, includes bank of screens main part, bottom sprag frame, collateral branch strut, lifting hook, bottom sprag frame fixes the bottom in the bank of screens main part, the collateral branch strut is fixed at the both ends of bank of screens main part, is fixed with the lifting hook on the collateral branch strut, the bank of screens main part is triangle-shaped frame, and one side frame is wide clearance bank of screens, and another side frame is narrow clearance bank of screens, bottom sprag frame's size of a dimension and pit plane size phase-match, the device is placed on the bank of screens base of pit bottom. Compared with the prior art, the beneficial effects of the utility model are that: 1) the device can effectively separate the fine crushing converter slag and the iron-containing bulk slag steel; 2) the recycling of the iron-containing bulk slag steel can effectively reduce the cost of the steel and iron materials of the converter.

Description

Converter steel slag screening device
Technical Field
The utility model relates to a ferrous metallurgy field especially relates to a converter slag screening plant.
Background
The converter slag produced in the converter smelting process mainly refers to oxides generated after elements in metal furnace materials are oxidized in the blowing process, wherein iron oxides mainly exist in the form of FeO and account for about 20% of the slag amount. In the smelting process of the converter, steel slag splashing, steel tapping, slag dumping and other factors can cause the steel slag to be deposited in a slag channel under the converter, the production is influenced under the condition of excessive accumulation, and the steel slag must be cleaned in time. In the past, the slag and steel mixture is cleaned in a slag pit by utilizing equipment such as an excavator and the like, and then is discharged as waste, so that the slag and steel mixture cannot be effectively recycled. In recent years, iron and steel enterprises pay more and more attention to cost reduction and efficiency improvement work, and the device is used for recycling large iron-containing steel slag into a furnace to achieve the purposes of cost reduction and efficiency improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a converter slag screening plant through using converter slag separation recovery unit, separates out bold slag and retrieves, can effectively retrieve iron-containing material resource, reaches the purpose of cost reduction increase.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a converter slag screening plant, includes bank of screens main part, bottom sprag frame, collateral branch strut, lifting hook, bottom sprag frame fixes the bottom in the bank of screens main part, the collateral branch strut is fixed at the both ends of bank of screens main part, is fixed with the lifting hook on the collateral branch strut, the bank of screens main part is triangle-shaped frame, and one side frame is wide clearance bank of screens, and another side frame is narrow clearance bank of screens, bottom sprag frame's size of a dimension and pit plane size phase-match, the device is placed on the bank of screens base of pit bottom.
The screen rod gap of the wide gap screen frame is 280mm-320mm, and the screen rod gap of the narrow gap screen frame is 180mm-220 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the device can effectively separate the fine crushing converter slag and the iron-containing bulk slag steel;
2) the recycling of the iron-containing bulk slag steel can effectively reduce the cost of the steel and iron materials of the converter.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic view of the installation of the present invention in a slag pit.
In the figure: 1-top supporting beam, 2-side supporting frame, 3-lifting hook, 4-wide gap sieve frame, 5-bottom supporting frame, 6-narrow gap sieve frame, 7-sieve frame, 8-sieve frame base, 9-slag pit and 10-slag channel.
Detailed Description
The following further describes the embodiments of the present invention:
referring to fig. 1-4, a converter steel slag screening device comprises a screen frame main body, a bottom support frame 5, side support frames 2 and a lifting hook 3, wherein the bottom support frame 5 is fixed at the bottom of the screen frame main body, the side support frames 2 are fixed at two ends of the screen frame main body, the lifting hook 3 is fixed on the side support frames 2, the screen frame main body is a triangular frame, one side frame is a wide gap screen frame 4, the other side frame is a narrow gap screen frame 6, the size of the bottom support frame 5 is matched with the size of the plane size of a slag pit 9, and the device is placed on a screen frame base 8 at the bottom of the slag pit 9.
The screen rod gap of the wide gap screen frame is 280mm-320mm, and the screen rod gap of the narrow gap screen frame is 180mm-220 mm.
When in use:
1) connecting an iron chain of a crane with a screen frame 7 by using a lifting hook 3, placing the screen frame 7 on a screen frame base 8 in a slag pit 9 by using the crane after aligning, and fixing the screen frame 7 in the slag pit 9 by using side support frames 2 on two sides of the screen frame 7;
2) cleaning a steel slag mixture in a slag channel 10 into a slag pit 9 by using an excavator, enabling slag steel to freely fall above a screen frame 7, screening by using steel rod screen frames with different gap widths, separating iron-containing large slag steel into the slag pit, and cleaning the large slag steel by using the excavator;
3) after the large slag steel is screened out, the large slag steel can be directly matched with scrap steel to be added into a converter, so that the slag steel discharged from the converter can be recycled;
4) the key of the device lies in the space and the placing position of the steel bars of the screen frame. The broken slag and the large slag steel can not be effectively separated when the distance between the steel rods is too large or too small.

Claims (2)

1. The utility model provides a converter slag screening plant, its characterized in that, includes bank of screens main part, bottom sprag frame, collateral branch strut, lifting hook, bottom sprag frame fixes the bottom in the bank of screens main part, collateral branch strut fixes the both ends in the bank of screens main part, is fixed with the lifting hook on the collateral branch strut, the bank of screens main part is the triangle-shaped frame, and one side frame is wide clearance bank of screens, and another side frame is narrow clearance bank of screens, bottom sprag frame's size of a dimension and pit plane size phase-match, the device is placed on the bank of screens base of pit bottom.
2. The converter steel slag screening device according to claim 1, wherein the screen rod gap of the wide gap screen frame is 280mm-320mm, and the screen rod gap of the narrow gap screen frame is 180mm-220 mm.
CN202022583235.1U 2020-11-10 2020-11-10 Converter steel slag screening device Active CN213996619U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022583235.1U CN213996619U (en) 2020-11-10 2020-11-10 Converter steel slag screening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022583235.1U CN213996619U (en) 2020-11-10 2020-11-10 Converter steel slag screening device

Publications (1)

Publication Number Publication Date
CN213996619U true CN213996619U (en) 2021-08-20

Family

ID=77303943

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022583235.1U Active CN213996619U (en) 2020-11-10 2020-11-10 Converter steel slag screening device

Country Status (1)

Country Link
CN (1) CN213996619U (en)

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