Comparision Straight Grate Versus Grate Kiln Cooler

Schematic of the straight grate pelletizing process.

The efficiency of using 40.4-60.7 vol.% of sunflower husks on the combined machine "straight grate - rotary kiln - annular cooler" to partially replace natural gas in iron ore pellets ...

comparision straight grate versus grate kiln cooler

iron ore pellets: The Grate-Kiln system and the straight grate system. ... speed control of the grate, kiln and cooler are available to the operator.

Comparative analysis of straight grate machines and …

At present, mainly straight grate machines (SGM) and combined facilities grate-tube-type kiln-cooler (GKC) are used for heat-strengthening induration of iron ore pellets.

Advanced Process Control for Clinker Rotary Kiln and Grate Cooler

1. Introduction. The cement industry involves energy-intensive processes such as clinker rotary kilns and clinker grate coolers. Clinker is the fundamental component of the cement, which is produced through a baking process in a kiln and a subsequent cooling process in a cooler, and large amounts of thermal and electric energy are required [].In many cement …

"A Comparison of Pellet Quality from Straight-grate and …

A clear distinction between the dustiness of grate-kiln and straight-grate fired pellets is established. We conclude that grate-kiln-cooler systems provide superior pellet …

"A Comparison of Pellet Quality from Straight-grate and Grate-kiln …

A clear distinction between the dustiness of grate-kiln and straight-grate fired pellets is established. We conclude that grate-kiln-cooler systems provide superior pellet quality, but at the cost of some pellet production rate.

–– Iron Ore Pelletization Iron Ore …

Comparison Straight Grate vs. Grate Kiln Operation 39 Straight Grate Grate Kiln • Capable of firing gas, or liquids (no solid fuels) • Capable of firing solid fuel, gas, or liquids •Higher electrical power consumption due to deep bed of pellets •Significantlylower electrical power consumption •Fuel consumption is similar •Fuel ...

Recent technological advancements in high capacity …

One straight grate indurating machine versus the Grate Kiln's three "in line" processes leads to significant upsides, proven in plants designed/built by Outotec:

Overall comparison of straight grate (SG) and grate-kiln …

Firstly, in this study, the CMC has been shown to produce green and dry pellets with better values of compressive strength to those of bentonite. The action of the binder early on in pelletization...

Solved 9. Compare between Straight-grate and Grate-kiln

Compare between Straight-grate and Grate-kiln pelletizing process with respect to final product quality. * (2 points) Enter your answer . Show transcribed image text. Here's the best way to solve it. Solution. Answered by. Chemical engineering expert. View the …

A Comparison of Pellet Quality from Straight-grate and Grate-kiln …

(DOI: 10.1080/08827508.2018.1536050) Both straight-grate and grate-kiln furnaces have been accepted in the iron ore industry. Both are considered to be roughly equal when comparing overall costs and expenses versus the final product p...

Overall comparison of straight grate (SG) and …

Firstly, in this study, the CMC has been shown to produce green and dry pellets with better values of compressive strength to those of bentonite. The action of the binder early on in pelletization...

(PDF) The grate-kiln induration machine

There are three main processes to produce iron ore pellets, including the grate-kiln process, the shaft furnace process, and the straight grate process [5, 6]. The most widely used industrial ...

CONTRIBUTIONS TO THE TECHNOLOGY COMPARISON …

Rigorous modeling of the Traveling Grate stage in the iron …

The main types of induration processes are Straight Grate (SG) and Grate-Kiln-Cooler (GKC) [4]. GKC is widely used in the mining industry due to its high production …

CONTRIBUTIONS TO THE TECHNOLOGY COMPARISON BETWEEN STRAIGHT GRATE …

The most important differences include that a grate-kiln has three distinct pieces of equipment, a preheat grate, a rotary kiln and an annular cooler, whereas in the case of a straight grate, the entire indurating process is done on one piece of equipment only. In addition, both technological solutions have differences in their recuperation ...

CONTRIBUTIONS TO THE TECHNOLOGY COMPARISON …

technical and economical distinctions between the two pelletizing technologies. The most important differences include that a grate-kiln has three distinct pieces of equipment, a preheat grate, a rotary kiln and an annular cooler, whereas in the case of a stra.

A Comparison of Pellet Quality from Straight-grate and …

A clear distinction between the dustiness of grate-kiln and straight-grate fired pellets is established. We conclude that grate-kiln-cooler systems provide superior pellet …

A Comparison of Pellet Quality from Straight-grate and Grate-kiln …

A clear distinction between the dustiness of grate-kiln and straight-grate fired pellets is established. We conclude that grate-kiln-cooler systems provide superior pellet quality, but at the cost of some pellet production rate.

Rigorous modeling of the Traveling Grate stage in the iron …

The main types of induration processes are Straight Grate (SG) and Grate-Kiln-Cooler (GKC) [4]. GKC is widely used in the mining industry due to its high production capacity, adaptability to different types of materials and fuels, and production of pellets with higher quality, due to better thermal homogenization, when compared to SG [ [5], [6 ...

Typical Grate-Kiln Pelletizing System

Download scientific diagram | Typical Grate-Kiln Pelletizing System from publication: CONTRIBUÇÃO PARA COMPARAÇÕES ENTRE AS TECNOLOGIAS STRAIGHT GRATE E GRATE-KILN | | ResearchGate, the ...

CONTRIBUTIONS TO THE TECHNOLOGY COMPARISON BETWEEN STRAIGHT GRATE …

The most important differences include that a grate-kiln has three distinct pieces of equipment, a preheat grate, a rotary kiln and an annular cooler, whereas in the case of a straight grate, the entire indurating process is done on one piece of equipment only.

"A Comparison of Pellet Quality from Straight-grate and Grate-kiln …

Both straight-grate and grate-kiln furnaces have been accepted in the iron ore industry. Both are considered to be roughly equal when comparing overall costs and expenses versus the final product production rate. However, the product quality of these two systems is not equal. ... We conclude that grate-kiln-cooler systems provide superior ...

Grate cooler

The grate cooler is a quenching type cement cooler applied for the cement manufacturing plant. According to the movement mode of the grate, the grate cooler can be divided into three types, rotary type, vibrating type, and push-type grate cooler, with the development of cooler technology, push-type grate cooler is considered the most common clinker cooler in the cement production …

CONTRIBUTIONS TO THE TECHNOLOGY …

The most important differences include that a grate-kiln has three distinct pieces of equipment, a preheat grate, a rotary kiln and an annular cooler, whereas in the case of a straight grate, the entire indurating process is done on one piece of …

A Comparison of Pellet Quality from Straight-grate and Grate-kiln

A clear distinction between the dustiness of grate-kiln and straight-grate fired pellets is established. We conclude that grate-kiln-cooler systems provide superior pellet quality, but at...

Pelletizing Process

Grate-Kiln-Cooler process simplifies the process control. When required, the burner has ability to simultaneously fire two fuels, gas and oil, and switch on-stream from one fuel to another.

Expert System for Control Guidance of Grate-Kiln Pellet …

culates in grate-kiln-cooler system and is considered to be the main reason for grate-kiln control complexity. Influence factors of each section of grate-kiln system (Fig. 3) were indicated by analysis of pellet flow and gas flow. Figure 3 shows that: …

Intelligent Control of Grate-kiln-cooler Process of Iron Ore …

Grate-kiln-cooler has become a major process of producing iron ore pellets in China. Due to the diversity of the raw materials used and the multi-device multi-variable characteristics, this process still encounters with control problem. An attempt was proposed to deal with this issue. The three-device-integrated feature of the process was ...

Grate Kiln For Sale – Grate Kiln System | AGICO Grate Kiln …

The grate kiln system is composed of three major pieces of equipment: traveling grate, rotary kiln, and annular cooler. It is widely applied in iron ore pelletizing plants, chemical plants, and other industries. AGICO offers high-quality iron ore pelletizing equipment. ... Straight Grate Vs Grate Kiln. Pellets produced by grate kiln system have ...