steel slag bin supporting telescopic head and electric slag discharge door

Physical and Chemical Properties of Steel Slag and …

2019-3-30 · When the standard effort was 600 kN-m/m 3, the optimal water content and maximum dry bulk density of steel slag were 8.5 % and 21.8 kN/m 3 [30].

Electric arc furnace slag

2022-6-25 · Electric arc furnace slag is produced during the manufacture of crude steel by the electric arc furnace (EAF) process. In this process steel scrap with additions of fluxes (e.g., lime[stone] and/or dolomite) are heated to a liquid …

Steel slag grinding plant

2019-9-29 · Heat Treatment. Crushing & Iron Separation. Grinding into Powder. After coming out of converter, steel slag is received and transported by slag pots. Due to the high temperature of the steel slag, the slag pot must have high quality. CHAENG slag pot is made by one-piece casting method, which has strong resistance to deformation.

METHOD OF MANUFACTURING A SLAG DISCHARGE …

The method of manufacturing the slag discharge door, which moves up and down on the slag discharge opening to open and close the slag discharge opening, includes the steps of: forming a door body by forging, forming a coolant passage, a coolant inlet, and a coolant outlet in the door body by drilling, and then finishing a passage that blocks a ...

Steel slag discharge method from slag pan

2011-8-25 · Steel slag discharge method from slag pan. Cite. Download. Patent: JP-2013044034-A: Inventor: HOSHI MASAHIKO. NAKANO SHUJI. OTSUKA MASATOSHI. Assignee: NIPPON STEEL & SUMITOMO METAL CORP. Date: Priority . 2011/08/25. This web page summarizes information in PubChem about patent JP-2013044034-A. This includes chemicals mentioned, …

How is steel made in an electric arc furnace? electric arc …

2022-1-6 · 5) When returning to the furnace after the discharge of steel, start slowly, go fast in the middle, and turn to the slow gear when no slag is left, so as to avoid shaking off the electrode and slag during the process of returning to the furnace after the discharge of steel. It is forbidden to drop a lot of slag in the process of steel ...

CO2 Mineralization and Utilization using Steel Slag for …

2017-12-8 · Both steelmaking via an electric arc furnace and manufacturing of portland cement are energy-intensive and resource-exploiting processes, with great amounts of carbon dioxide (CO2) emission and ...

OEM manufacturer Stainless Steel Rubbish Bin

Single – roll slag machine; Electric feeder; Bucket elevator; Double shaft mixer; Dry ash bulk loader; Pneumatic plug door; Slag silo and auxiliary equipment; Wet-type slag handling equipment for Pulverized Coal Boiler. Dewatering slag silo; High-efficiency concentrator; Hydraulic shutoff door; Scraper slag conveyor; Slag conveyor for ...

Chemical characteristics of iron and steel slag : NIPPON …

2020-10-18 · The primary components of iron and steel slag are limestone (CaO) and silica (SiO 2).Other components of blast furnace slag include alumina (Alsub>2 O 3) and magnesium oxide (MgO), as well as a small amount of sulfur (S), while steelmaking slag contains iron oxide (FeO) and magnesium oxide (MgO) the case of steelmaking slag, the slag contains metal …

Using Steel slag in infrastructure development – Page …

What is Steel Slag. Steel slag is an unavoidable by-product in Iron & Steel making, it is essentially a mixture of metal oxides and silicon dioxide i.e silicate. However, Iron & Steel Slag is non metallic in nature and does not contain hazardous materials. Slag is an alternative construction material with superior environment friendly qualities ...

Steel slag discharge

Steel slag discharge Jul 30, 2019 (1) Removing harmful elements P and S in steel; (2) Steelmaking slag is covered on the surface of molten steel to protect the molten steel from excessive oxidation, absorption of harmful gases, heat preservation and reduction of burning of beneficial elements; (3) Absorbing floating inclusions and reaction ...

Steel Slag Price, 2022 Steel Slag Price Manufacturers

The Fine Quality off Grade Metal Silicon Slag for Steel Making Suppliers. FOB Price: US$ 2769-3100 / Ton. Min. Order: 22 Tons. Inner Mongolia Pusheng Iron &Steel Co., Ltd. View larger video & image. Contact Now. Steel Making Silicon Lump Powder Slag Si Slag Manufacture. FOB Price: US$ 300-1000 / Ton. Min. Order: 5 Tons.

Electric Arc Furnace Slag | ASA | Australasian …

The slag is dark grey in colour and is characteristically harder than blast furnace slag (BFS). It has a density about 20 - 25% greater than basalt or BFS. It crushes to a cubical shape. EAFS in common with most steel slags, is subject to slight …

US Patent for Slag discharge door device for an electric …

A slag discharge door device for an electric furnace is provided. The device prevents slag from flowing out via a slag discharge port by making a discharge control door body move up and down to and from the upper surface of a supporting body where slag is discharged by flowing to the upper surface, and the discharge of slag is controlled, such that during steel-making work in …

Types of iron and steel slag : NIPPON SLAG ASSOCIATION

2020-10-18 · Steelmaking slag. This slag is a byproduct from steelmaking processes in which the components of pig iron and steel-scrap are modified in order to produce steel that is so highly valued for excellent toughness and workability. Steelmaking slag consists of converter slag that is generated by converter and electric arc furnace slag that is ...

86 IRON AND STEEL SLAG

2020-2-7 · U.S. ferrous slag production, but domestic slag sales1 in 2019 were estimated to be 17 million tons valued at about $470 million. Blast furnace slag was about 50% of the tonnage sold and accounted for 88% of the total value of slag, most of which was granulated. Steel slag produced from basic oxygen and electric arc furnaces accounted for the

Steel slag amendment impacts on soil microbial …

2020-4-21 · With the increase in iron/steel production, the higher volume of by-products (slag) generated necessitates its efficient recycling. Because the Linz-Donawitz (LD) slag is rich in silicon (Si) and ...

Applications of Steel Slag Powder and Steel Slag …

2018-1-30 · The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that …

Slag Discharge Door Apparatus For Electric Furnace

2021-10-1 · 1. An electric furnace apparatus, comprising: a door movable between an open position and a closed position, configured to move open a slag discharge outlet in the open position and further configured to close the slag discharge outlet in the closed position; and a door support supporting the door located in the closed position, wherein the door support comprises …

Automatic slag discharge control method and system for …

2020-6-3 · Automatic slag discharge control method and system for converter slag car linkage. Cite. Download. Patent: CN-111624884-A: Inventor: CHEN YUEHUA. LI QINGZHONG. Assignee: WISDRI ENG & RES INC LTD CO. Date: Priority . 2020/06/03. This web page summarizes information in PubChem about patent CN-111624884-A. This includes chemicals mentioned, …

Steel ash bin

2018-11-20 · Pneumatic plug door; Wet-type slag handling equipment for Pulverized Coal Boiler. Dewatering slag silo; High-efficiency concentrator; Hydraulic shutoff door; Scraper slag conveyor; Slag conveyor for gasification furnace Boiler; Single – roll slag machine; Boiler ash removal equipment. Ash bin and auxiliary equipment; Dense phase pneumatic ash ...

Slag Discharge Door Device for an Electric Furnace

A slag discharge door device for an electric furnace is provided. The device prevents slag from flowing out via a slag discharge port by making a discharge control door body move up and down to and from the upper surface of a supporting body where slag is discharged by flowing to the upper surface, and the discharge of slag is controlled, such that during steel-making work in …

Steel Slag | Tarmac

Steel slags provide quality controlled manufactured aggregates for use in construction, unbound and bound sub-bases, cappings, fills such as earthworks and backfill to structures (see Specification for Highway Works Series 500, 600 and 800). Unlike Blast furnace slag steel slag Type 1 sub base or blends there of are not approved for use on NHBC ...

US Patent Application for SLAG DISCHARGE DOOR …

A slag discharge door apparatus for an electric furnace is disclosed. The apparatus includes a door which is operated by a door operator to open or close a slag discharge outlet of the electric furnace, and a door support which supports the door in such a way that a portion of a lower end of the door overlaps with the door support, so that slag is inhibited from leaking out of the electric ...

Steel Slag

Depending on the used production technology, the steel slag can be divided into a basic oxygen steel slag, an electric arc furnace slag and a ladle furnace slag (De Brito and Saika, 2013). The steel slag is used as a secondary cementitious binder, or aggregates for road construction (Sheen et al., 2013; Manso et al., 2004).

Comprehensive Analysis of Steel Slag as Aggregate for …

2021-6-28 · Another study shows how mixing limestone with steel slag as a coarse aggregate can provide an asphalt mixture with high resistance to plastic deformation and good resistance to fatigue failure . Amir et al. analysed the long-term fatigue behaviour of asphalt mixtures containing BOF slag subjected to long-term ageing. The results showed that the ...

Enhanced slag door for electric arc furnace | Request PDF

Request PDF | Enhanced slag door for electric arc furnace | Enhanced Slag Door was originally developed by SMS Concast to avoid presence of operator in …

Advantages and disadvantages of steel slag treatment …

2022-6-20 · Advantages: fast slag discharge, simple process, less land occupation, less investment, small size of steel slag after treatment (about 5mm), stable performance. Disadvantages: improper operation during water quenching of molten slag is prone to explosion, and the uniformity of steel slag grain size is poor. Can only handle liquid slag.

US Patent for Slag discharge door apparatus for electric …

A slag discharge door apparatus for an electric furnace is disclosed. The apparatus includes a door which is operated by a door operator to open or close a slag discharge outlet of the electric furnace, and a door support which supports the door in such a way that a portion of a lower end of the door overlaps with the door support, so that slag is inhibited from leaking out of the electric ...

Electric Arc Furnace (EAF) Slag | US EPA

2022-6-23 · About EAF Slag. EAF slag is a rock-like material generated during the steel-making process. Approximately 130 facilities across the United States generate EAF slag. EAF slag is used as an alternative to rock fragments, both in encapsulated uses (e.g., contained in concrete) and unencapsulated uses (e.g., loose ground cover material).