Coke Calcining Refractory Products High Heat Application
The History and Future Challenges of Calcined Petroleum
Calcined petroleum coke is used for the production of carbon anodes in the Hall Héroult aluminum smelting process due to a combination of low impurity levels ready availability and relatively low cost This article provides a review of the history and use of calcined petroleum coke for anode production and describes the different calcining technologies used by the industry
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Coke Calcining PlantsHarbisonWalker International
34 rows Coke calcining plants receive green petroleum coke from oil refineries The green coke is
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calcined petroleum coke vertical shaft kiln furnace
Lime calcining system rotary kiln using a lime kiln for calcining petroleum coke ph rotary kiln calcining correorromineram the kvs preheater rotary kiln calcining system is selected when a uniform high quality lime product is requiredetso can also supply vertical shaft and fluid bed types of lime calcining systems but it is the kvs preheater
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Petrol CokeCargo Handbookthe world s largest cargo
This coke can either be fuel grade high in sulphur and metals or anode grade low in sulphur and metals The raw coke directly out of the coker is often referred to as green coke In this context green means unprocessed The further processing of green coke by calcining in a rotary kiln removes residual volatile hydrocarbons from the coke
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Dryout of Refractory Lining Heatup Treatment Hotwork
In most industries it has become widely accepted the only truly effective means of drying out and heating up refractory is to deploy high velocity burners With over 250 high velocity burner units worldwide Hotwork International is the best choice for your project
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Coke calciner heat recovery system Conference OSTI GOV
This paper discusses the application of a heat recovery system to an existing petroleum coke calcining facility The system was applied to the hot exhaust gas stream from the calciner that had previously been directed out of a 100 foot refractory lined stack
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Refractory Materials for Coke Oven
Generally speaking refractory materials for coke ovens include silicon bricks semi silica bricks clay bricks high alumina bricks thermal insulation refractory materials refractory fiber products refractory mud etc 1 Carbonization Chamber Carbonization chamber is periodic work the temperature of the furnace wall surface decreases to
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Coke Calcining RSS Refractory Sales Service
Coke Calcining RSS Dixie has numerous products installed in coke calcining plants across the country The majority of coke calcining plants process petroleum coke which is then used in the primary aluminum steel and chemical production industries Calcining coke involves heating the material to remove moisture and volatiles which increases
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Kazakhstan Petroleum Coke Calcining Waste Heat Boiler
Kazakhstan Petroleum Coke Calcining Waste Heat Boiler Project 08 11 47 Kazakhstan petroleum coke calcining project is an important project contracted by China Non ferrous Metal Industry s Foreign Engineering and Construction Co Ltd hereinafter referred to as NFC in kazakhstan Two 65 meter long rotary kilns rotate at a constant speed and continuously produce calcined coke
Get PriceRefractory materials are mainly applied to coke oven
Application It s applied to the position of combustion chamber of coke oven to improve heat conduction efficiency save energy and protect environment High thermal conductivity silica brick Application It s widely applied to the coke oven heat storage chamber chute and
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Refractories and Classification of RefractoriesIspatGuru
These four types are i heat resistant insulating materials for application temperatures up to 1100 deg C examples are calcium silicate materials products from siliceous earth perlite or vermiculite silica based micro porous heat insulators and alumino silicate fibers ii refractory insulating materials for application temperatures up
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2 2 Lime Kiln Principles and Operations
Shell Heat Loss 11 4 MM Btu/hr Slide 18 Lime Kiln Heat Rate Overall Heat Rate = 8 4 MM Btu/ton CaO Contribution Heat rate Fraction Remedy Calcining reaction 2 82 34 No change possible Heat to evap water 1 75 21 Increase mud dry solids Heat in exit gas 1 50 18 Decrease exit gas temp Shell heat loss 1 10 13 Insulating refractory
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Products RSS Refractory Sales Service
Our products are used in iron and steel foundries and mills aluminum and other non ferrous industries petrochemical and chemical plants coke calcining plants and pulp and paper mills Our world class range of quality monolithic refractory products includes
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Coke calciner heat recovery system Conference OSTI GOV
OSTI GOV Conference Coke calciner heat recovery system Coke calciner heat recovery system Full Record Other Related Research
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Coke Oven IndustryZhengzhou Sijihuo Refractory Co Ltd
Coke Oven Industry Coke oven is a thermal equipment for metallurgical coke it is a large industrial kiln with complex structure and continuous production The coke oven is mainly composed of carbonization chamber combustion chamber and heat storage chamber lined with refractory materials around these areas
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Development of an Advanced Combined Heat and Power
Flow chart of the petroleum coke calcining process in an electrothermal fluidized bed integrated with waste heat utilization The calcining process is composed of the petroleum coke charger black fluidized bed calciner with electrodes and nitrogen supply red and gas cleaning system yellow gold The waste
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EPA1Method and apparatus for calcining delayed
Particulate carbonaceous material for example delayed petroleum coke is calcined in an internally fired vertical shaft kiln 10 A downwardly moving bed of green coke is preheated in the top of the kiln by rising combustion gases then heat soaked at calcining temperatures in the intermediate section of the kiln and finally cooled by recycle gas moving upwardly from the lower part of the kiln
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Refractory Silica Bricks For Coke OvenRS Refractory
As the coke is heated by conduction of wall of combustor with coking coal in the coking chamber the refractory silica bricks for coke oven should have higher thermal conductivity During the temperature range of coke oven combustor refractory silica bricks have higher thermal conductivity than fire clay bricks and high alumina bricks
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MODELLING OF THE COKE CALCINING KILNScienceDirect
The challenge is to reach a high calcining temperature with a low heating rate without unduly lengthening the kiln 90 REDUCTION AND CASTING OF ALUMINUM Green coke feed Zone 1 Green under calcined coke Calcined coke to cooler Fig 3 Schematic presentation of coke calcining kiln fitted with shell mounted fan Fuel less operation
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Coke Oven Silica Fire Brick Insulating High Temp Fire
Coke Oven Silica Fire Brick Insulating High Temp Fire Brick Customized Size Why Choose us Provide satisfactory service to you Quality is our culture With us you money is safe business is safe We specialize in refractory products for nearly 20 years 1 Features
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Refractories for kiln production of carbon materials
The first process of carbon production is to calcine the carbon raw materials that is the carbon raw materials under the condition of isolated air for high temperature heat treatment 1250 1500℃ in order to remove the water and volatile materials improve the density of raw materials mechanical strength and oxidation resistance improve the electrical conductivity of raw materials
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Refractory Silica Bricks For Coke OvenRS Refractory
Refractory silica bricks for coke oven have a good thermal conductivity when service in the temperature over 600℃ High temperature bulk stability There is lower 1 remaining quartz in the silica bricks that have good crystal type transform When operating coke oven normally the brickwork can keep bulk stability and tightness
Get PricePetrol CokeCargo Handbookthe world s largest cargo
This coke can either be fuel grade high in sulphur and metals or anode grade low in sulphur and metals The raw coke directly out of the coker is often referred to as green coke In this context green means unprocessed The further processing of green coke by calcining in a rotary kiln removes residual volatile hydrocarbons from the coke
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Coke Consumptionan overview ScienceDirect Topics
The volatile combustible matter of green coke ranges from as low as 6 to as high as 20 wt so for all these applications the raw petroleum coke should be thermally upgraded prior to its use in a process called calcination to obtain CPC Pet coke calcining is therefore the process whereby green coke or raw petroleum coke is thermally
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Processing coal to produce cokes by rotary kiln Henan
Coke calcining systems com ding needle sponge shot fluid or tar pitch green cokes The rotary kiln is also able to optimize the coke calcining operating parameters be it residence time temperature gradient and heat up rate all of which impact product quality Product quality KVS coke calcining systems can produce a quality product specifica
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Refractory Supplies Coke Calcining Resco Products
Coke Calcining Refractory The coke calcining process is dependent on the duration and temperature the petroleum green coke endures while traveling through the rotary kiln To achieve optimal properties of density and conductivity the coke must stay at a temperature of °C or higher
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Utilization of Process Off Gas as a Fuel for Improved
Flow chart of the petroleum coke calcining process in an electrothermal fluidized bed integrated with waste heat utilization The calcining process is composed of the petroleum coke charger black fluidized bed calciner with electrodes and nitrogen supply red and gas cleaning system yellow gold The waste
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Production and Application of Calcined Coke In Rotary
diagram of typical kiln calciner is shown in figure2 Calcined coke is produced from delayed process green coke by a process of further heating at temperatures up to 1200oC The product of calcining removes virtually the entire residual hydrocarbon including PAHs and the result is a dustier material Calcined coke is characterized as either anode grade coke or graphite needle grade coke depending upon its physical and chemical characteristics with needle grade coke having a higher purity than anode grade coke which is used in electric furnaces in aluminum and steel smelting Petroleum coke calcining
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Coke Calcining RSS Refractory Sales Service
Rotary kilns are lined with refractory monolithics or brick As the coke travels down the rotary kiln it passes through numerous sections some containing refractory lifters and refractory lined air injection nozzles Rotary kilns are heated via the firing hood at the discharge end of the kiln
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Petroleum Coke Calcining SystemsMetso Outotec
Petroleum coke calcining is a three step process including drying devolatization and densification The coke calcining process is a time temperature function conducted in an oxygen deficient atmosphere Important control variables are heating rate air addition rate and final calcination temperature
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Processing coal to produce cokes by rotary kiln Henan
Coke calcining systems com ding needle sponge shot fluid or tar pitch green cokes The rotary kiln is also able to optimize the coke calcining operating parameters be it residence time temperature gradient and heat up rate all of which impact product quality Product quality KVS coke calcining systems can produce a quality product specifica
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Typical temperatures for a rotary coke calcining kiln are between 2200°F 1200°C and 2400°F 1315°C Alumina silica refractories in the 40 to 70 Al2O3 range are appropriate for these normal operating temperatures Petroleum coke calcining operators prefer single
Get PriceCalcined Petroleum Coke Coal Tar PitchRain Carbon Inc
Phone Coal Tar and Petroleum Distillation Products Pitch Products Pitch products are produced by Rain Carbon Inc from coal tar pitch CTP a derivative of coal tar distillation as well as from specialty petroleum feedstocks CTP is mainly used as a binder for the production of carbon anodes essential for aluminum smelting
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Application selection of refractory materials for rotary
Application selection of refractory materials for rotary kilns in these 5 industries one is magnesium aluminate spinel brick for calcination belt the transition belt is high alumina brick the pre heat belt is clay brick and the insulation layer is refractory fiber or light brick The coke powder and other reducing agents are added to
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Heat Ready Solutions for Every Refractory Application
From gasifiers to blast furnaces to kilns our dedicated application specialists provide solutions that keep your business moving Whether it s our people or our high heat products we re intensely focused on meeting today s demands for strength wear resistance and insulating properties So name your refractory requirements
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