waste slag production rock wool process

EP1061053A1

As recycling use of a waste matter, rock wool is produced by granulating municipal refuse incinerated ash, which cannot be used easily in the powdery form, by a granulator, thereby forming a low-cost solid raw material in the massive form; charging it with adjusting raw ...

Rockwool Stone Wool Manufacturing Production Process Fact Sheet

6. Cutting and Marking • After the cooling zone, the wool is cut to size. • Dust from cutting is captured in a bag-filter and transported to the internal recycling plant. • The product is marked (branded) on either the top and/or bottom of the wool as required to meet

The difference between rock wool and slag wool-Shanghai …

 · The rock wool is generally less than 4, which is a mineral fiber with particularly stable water resistance. The slag wool is generally more than 5 or even more than 6, and its water resistance can only be moderately stable or unstable. of. Due to this difference between the two, slag wool should not be used in humid environments, especially in ...

Clean production and recycling of rock wool solid waste

In the production of rock wool board, the rock wool quilt containing more slag balls is removed to become waste rock wool slag. The molten waste glass body is also one of the waste slag wastes in the production process of rock wool. Because of the difficult degradation and environmental pollution...

EP1061053A1

Basics of slag production - Article on the slag industry from Global Slag

Rock wool : Iron and steel slag products : NIPPON SLAG …

The molten slag is then blown to form fibers by centrifugal force or similar means. The fibrous rock wool is collected in a collection chamber. The process to create the final product differs depending on the application. To create "granulated wool," the rock wool is separated and granulated. To create "formed products" such as board or ...

Alkali-activated slag binders from rock-wool production wastes

Thermal analysis showed that the structurization in the "rock wool production waste-water-NaOH" system is most efficient with the NaOH/waste ratio of 0.02-0.03, and the main newlyformed phases in the solidified alkali-activated slag composites are low-basic

Method for obtaining minimum melting end point temperature in process of producing qualified slag wool from ferroalloy smelting waste …

 · The invention relates to a minimum melting end point temperature in the process of obtaining ferroalloy smelting waste slag to produce qualified mineral woolAnd (4) a method of measuring. The invention first obtains T a 、T b Then comparing the two, taking the ...

Alkali-activated slag binders from rock-wool production wastes

Thermal analysis showed that the structurization in the "rock wool production waste-water-NaOH" system is most efficient with the NaOH/waste ratio of 0.02–0.03, and the main newlyformed phases in the solidified alkali-activated slag composites are low-basic

Recycle Metal From Slag: The Recycling Process

 · Ball mill is for grinding slag (0-20mm) to 0-1mm or smaller size depending on customer requirement. Then output small fine powder go to shaking table for recovery the metals from slag. The shaking table has an extremely high recovery ratio for recovery heavy metals from slag. Then will get metal concentrate from the shaking table.

Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool

 · Materials Research. 2015; 18(1): DOI: Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool Joner Oliveira Alves a *, …

The effect of CaO on the crystallization properties and viscosity of synthetic silicomanganese waste slag for mineral wool production …

 · At the same time, if the melt temperature range is wide within this viscosity range, the process operation difficulty of mineral wool production process can be reduced (Wang et al., 2020). Therefore, the control of slag viscosity has become one of the key factors in the production of mineral wool from silicomanganese slag.

ALKALI-ACTIVATED SLAG BINDERS FROM ROCK-WOOL PRODUCTION WASTES …

The article exposes the results of studies on the production of alkali-activated slag binders from rock-wool production wastes and their composite derivatives, which are resistant to corrosive effects of biological environment. Thermal analysis showed that the structurization in the "rock wool production waste-water-NaOH" system is most efficient with the NaOH/waste ratio of …

CN110255914A

The invention discloses a kind of preparation processes of solid waste silicon manganese slag production mineral wool, comprising the following steps: S1: prepares quenched material: choosing suitable nepheline and flyash, nepheline and flyash are added in high ...

Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool …

Steelmaking slag and residues from granite cuttings are industrial wastes with considerable production, however limited applications. This work studied an inertization and recovery process of such wastes as raw materials into production of rock wool (i.e. a thermo-acoustic insulator with growing market).

How Wool is Made

Wool is manufactured from the raw fibre into yarn via either the woollen or worsted processing system. Yarn is then manufactured into knitted and woven wool textiles and products. Most Australian wool is used for the manufacture of apparel products. The process of turning the raw wool fibre into fabric involves the production of yarn via two ...

Recovery of Steelmaking Slag and Granite Waste in the Production …

PDF | Steelmaking slag and residues from granite cuttings are industrial wastes with considerable production, however limited applications. This work... | …

Rock Wool Panel Producing Process

Rock wool panel producing process is a complicated process. Following is an introduction to the production process of rock wool board by HaoAir Tech. 1. Raw material system Raw materials consist of basalt, dolomite and coke (the …

Mineral wool slag recycling

 · The first step in the process involves melting the mineral feed. The raw material (slag and rock) is loaded into a cupola in alternating layers with coke at weight ratios of about 5 to 6 parts mineral to 1 part coke. As the coke is ignited and burned, the mineral charge is heated to the molten state at a temperature of 1300 to 1650°C (2400 to ...

[PDF] Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool …

Steelmaking slag and residues from granite cuttings are industrial wastes with considerable production, however limited applications. This work studied an inertization and recovery process of such wastes as raw materials into production of rock wool (i.e. a thermo-acoustic insulator with growing market). Several batches were produced aiming the chemical proprieties of a …

Slag

This article is about the metalworking by-product. For the British slang term for a promiscuous woman, see Slut. Slag is a by-product of smelting (pyrometallurgical) ores and used metals. [1] Broadly, it can be classified as ferrous (by-products of processing iron and steel), ferroalloy (by-product of ferroalloy production) or non-ferrous/base metals (by-products of recovering non …

SciELO

The invention discloses a rock wool produced by using phosphorous slag and a preparation method thereof, the rock wool is prepared by phosphorous slag as main raw material and dolomite and bauxite both as auxiliary raw material, wherein the proportions of the ...

What is Stone Wool

 · Stone Wool – Rock Wool. Stone wool, also known as rock wool, is based on natural minerals present in large quantities throughout the earth, e.g. volcanic rock, typically basalt or dolomite. Next to raw materials, also recycled rock wool can be added to the process as well as slag residues from the metal industry.

Metal slag processing // REMONDIS´ Lippe Plant

Practically all of the metals contained in the slag can be recovered. Go to recycling process. The special feature of LEGRAN''s metal slag processing system at the Lippe Plant is the way the material is treated. The slag and spent refractories need to be pulverised before they can be processed and this job is carried out by a rod and ball mill ...

Basics of slag production

 · Slag, as the term will be used here, is any siliceous melt that arises in significant quantity from the various processes used in the production of iron and steel, and more particularly the solid materials that forms when such melts cool. Slag from the production of ferrochrome is also included here; this material is produced in substantial ...

slag wool manufacturing horizontal furnace

The production process start with melting the raw material (Volcanic rock, slag and coke) in the Furnace at 1500 C into a spinning machine to produce the wool as depicted in the above process diagram. Our Expertise is not only limited to horizontal Furnace

Metal slag processing // REMONDIS´ Lippe Plant

Practically all of the metals contained in the slag can be recovered. Go to recycling process. The special feature of LEGRAN''s metal slag processing system at the Lippe Plant is the way the material is treated. The slag and …

Rock Wool Production Line

The rock wool board production line adopts an electronic metering and automatic feeding system to add the raw materials to a closed melting furnace for melting. After being fiberized by a centrifuge, an appropriate amount of bonding agent is added. The raw materials are sent to the curing furnace for plate making through the cotton collector ...

Jammu slag powder production line processing rock

CHAENG steel slag powder production line helps ste CHAENG steel slag powder production line helps steel mills waste residue development and utilization News Date20190518 162004 Steel slag is the solid waste discharged by steel mills during the smelting of ...

Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool

Keywords: steelmaking slag, granite waste, rock wool, thermal insulator 2015; 18(1) Recovery of Steelmaking Slag and Granite Waste in the Production of Rock Wool 205 2.

slag wool manufacturing horizontal furnace

Slag wool has as its chief ingredient blast furnace slag, melted to produce fibres, combined with a smaller amount of heated natural rock. Slag wool will always involve using mostly - up to about 70% slag - material from a blast furnace, a waste product from steel production.

Slag grinding mill micro powder production line

 · Mode 1: The drying and grinding steps are carried out separately. First, the materials are sent to the dryer for drying, and then the dried materials are sent to the ball mill to be ground into powder. Mode 2: Drying and grinding are carried out at the same time, the material is ground with a vertical micro-powder mill, and hot air is blown ...

JP2000202401A

PROBLEM TO BE SOLVED: To produce rock wool having an optimum wool diameter in high yield. SOLUTION: The producing method includes a process for forming molten slag in which molten metal is dispersed by melting incineration ash in a reducing ...

(PDF) Steel Slag and Waste Management

 · Abstract. Steel slag is a waste material produced during the process of steel making. For many. y ears, a large amount of steel slag was deposited in …

Energies | Free Full-Text | Preparation of Slag Wool by …

 · Therefore, much more slag wool product will be required in the Chinese market [], and investigation of novel methods for slag wool production has great significance and prospects. In the traditional way of manufacturing …

Mineral wools (glass, stone/slag, HT)

Content CONTENT 3 1 GENERAL DESCRIPTION 6 1.1 IDENTITY 6 1.1.1 Terminology 6 1.2 PHYSICAL / CHEMICAL PROPERTIES 7 1.2.1 Composition 7 1.2.2 Fibre dimensions 7 1.2.3 Additives 8 1.2.4 Other physico-chemical properties 9 1.3 PRODUCTION AND USE 9 ...

DEKASO Machinery YOUR ENGINEERING PARTNER Rock Wool Production …

Rock wool production lines: machinery for insulation A complete rock wool production line consists of several machines that process the material, from melting to packaging. The "hot" part is located at the beginning of the line where the machines melt the raw material and