quenching of clinker due to water spray

Basic Desuperheater Types Spirax Sarco

Water spray desuperheating This type of desuperheating represents the vast majority of desuperheating applications In water spray desuperheaters, superheated steam is passed through a section of pipe fitted with one or more spray nozzl These inject a fine spray of cooling water into the superheated steam, which causes the water to be ....

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The European Research on Severe Accidents in Generation

The porosity formation in the melt layer and the cooling process due to the injection of water via porous concrete at bottom is calculated with the MEWA code Figure 4 shows the status of quenching after about 300 s melt temperature field together with water and steam velociti...

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Cement Industry Process Technology

Due to segregation, fine clinker has always its preferred side see above Different bed resistance on either side and only one air chamber across the entire width often cause fluidization of the fine clinker laying on top This fluidized clinker does no longer follow the speed of the grate, but shoots much faster towards the cooler discharge end...

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Disinfection and hygiene Lechler

Assembly with retaining nut Automatic jet alignment due to dove-tail guide Stable spray angle Parabolic distribution of liqu Spray pipes with these nozzles show an extremely uniform total liquid distribution Applications Cleaning installations, cooling headers, spray pipes, roll cooling, cooling of rolled stock...

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Cement hydration the role of adsorption and crystal growth

The finely powdered mixture of clinker and gypsum is marketed as standard Portland cement PC, often called ordinary Portland cement , which is then mixed with water The mass ratio of water to cement, w/c, typically ranges from 03 to 05, although sufficient water to fully react with cement would require w/c to be about 038 or greater...

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Quenching Process and Mediums Steel Metallurgy

Spray-quenching by water under pressure, can provide cooling rates more than still brine, or caustic soda solution The high cooling power of water is mainly clue to high specific heat and high latent heal of vapourisation Water quenching also breaks the scale formed during heating 2 ,...

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PDF Characterization of Tungsten Carbide coatings ,

The steel received a heat treatment of quenching performed by heating to 850 176 C, followed by cooling in water and tempering at a temperature of 450 176 C with air cooling...

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water quenching systems deformed steel bars

5The deformed bar hardening and tempering line spray system is using multi-stage stainless steel water ring, and the pressure and flow of the water ring can be automatically adjusted to meet the requirements of different hardenability 6 The deformed bars after hardening and tempering doesn t need straightening, no bending and no deformation...

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Influence of surface roughness on heat transfer during ,

Apr 17, 2020 0183 32 The experimental work aims at investigating the influence of surface roughness on heat transfer by using different nozzl Part of the rough surfaces are provided directly by the industry These surfaces of casting products possess considerable roughness up to millimeters which can be either unstructured or with typical grooves in the casting direction ,...

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The effect of size distribution of slag particles obtained ,

Dry granulation, as a new process of molten blast furnace slag BFS treatment, is an attractive alternative to water quenching The performance of BFS obtained from dry ,...

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Eckehard SPECHT Otto

A hot aluminum alloy AA6082 and nickel disc of 560 176 C and 850 176 C was cooled by water spray of various spray flux under different condition of experiment ,...

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Precision Spray Injectors

spray 180095SPRAY Intl Tel 16306655000 7 CRUDE OVERHEAD WATER WASH IN DISTILLATION COLUMN Problem Fire Caused by Corrosion A refinery, trying to avoid the expense of a water wash injector, experienced a major fire Rapid corrosion in an overhead duct in the distillation column resulted in a gas leak...

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White Cement Manufacturing Process 6 Steps White Cement Plant

Water Quenching Aluminum - Tom Croucher Associates...

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Khaja Steel and Cement

Quenching Stage Under the Quenching stage, water spray is used as a cooling treatment to the hot ribbed bars The effectiveness of the water spraying equipment in this stage is critical as to rapidly harden the surface layer, faster than the critical rate, to form the marten site while core remains austenite Tempering Stage...

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PDF BEHAVIOUR OF VOLATILE MATERIALS IN CEMENT KILN ,

This is probably due to the limiting effect of vapour saturation by alkali compounds, as confirmed by studies of the treatment of kiln dust in a 100 mm diameter fluidised bed Tettmar et ai, 1978 to examine the feasibility of producing clinker from cement kiln flue dust with capture of the alkalis distilled from the bed for possible use in the ....

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Water Cost Index

Scenario 1 A Water Agency cannot obtain bank financing for Phase 2 of a seawater desalination plant project due to previous cost overruns on Phase 1 Yet the Agency lacks the water it needs to supply a contractually specified daily volume of water to its largest customer, with a consequent risk of large penalties for each day of insufficient volume...

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3 Best practices for incineration

other conditions necessary to destroy pathogens, minimize emissions, avoid clinker formation and slagging of the ash in the primary chamber , avoid refractory damage destruction, and minimize fuel consumption Good combustion practice GCP elements also should be followed to control dioxin and furan emissions Brna and Kilgroe 1989...

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Vertical Roller Mills And Water Spray Crusher Mills ,

Cement clinker grinding method using vertical roller mill and , Spray nozzle Patent 4097000 Issued on 06/27/1978 , of the coarse powder to be returned to the vertical roller mill is , be ground such as water alone or a mixture of water ,...

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white cement quality control

we are using petroleum coke for kiln calinator firing in white cementwater quenching is done inside the kiln for whiteness additional furnace oil is alos used continously in the main burner to counter the effect of water quenching otherwise during water quenching main burner flame disturbs unburnt coal particles come with clinker...

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Cement Manufacturing

Water requirements for bearing cooling and the cement cooler are about 2300 1/kkg 550 gal/ton of product All cooling water is recycled to the spray-cooled reservoir In the reservoir about 230 1/kkg 55 gal/ton of product is evaporated This plant also uses water to cool cement clinker in a direct-contact process...

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Evaluation of spray

Feb 01, 2011 0183 32 This study evaluates the suitability of a water treatment plant spray-dried atomized sludge as a prime material for clinker manufacture A study of the thermal behaviour of the atomized sludge was followed by a comparison of the burnability of two raw mixes, one control made with industrial prime materials limestone, clay, sand and the other with the ,...

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DE102007042543A1

The invention relates to a method and a device for the treatment of laden hot gas, in particular of hot compressed gasification gas from entrained flow gasifiers in the partial oxidation of dusty and / or liquid, ash-containing feedstocks in the air stream...

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A DRY QUENCHING PROCESS FOR WHITE CEMENT CLINKER ,

Referring to Figure 2 of the accompanying drawings, red hot clinker from the rotary kiln having a temperature of above 1200 deg C are discharged in a decoloriser/quencher where water is added for quenching During wet quenching by water, clinker is dried by super heated steam, dry white cement clinker having temperature below 200 deg C is ....

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Water Quenching Aluminum

When using spray quenching techniques, care must be taken to insure that the quenching procedure is adequate for achieving the required properties in all parts being heat treated The use of spray quenching normally results in much lower quench rates when compared to cold water or glycol quenching...

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Materials Science and Engineering

The contents of calcium sulphoaluminate C 4 A 3 S 175 mineral were set as a series 5-20 percent and accordingly fixed tricalcium silicate C 3 S mineral contents at 30, 45, 60 percent respectively in alite-sulphoaluminate cement clinker The burning and properties of clinker were investigated Results showed that For certain C 3 S content, the clinker sintering is loose when the content ,...

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TEMPERATURE AND EFFECTS IN QUENCHING

T295 INITIALTEMPERATUREANDMASSEFFECTSIN QUENCHING ByHJFrenchandOZKlopsch ABSTRACT Inthisreportaregivenresultsofquenchingexperimentswithhigh-carbon ....

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Quench Sensitivity of 7475 Aluminum Alloy Using End ,

Jan 04, 2021 0183 32 The end-quenching test was performed in accordance with ASTM A25526 on a custom-designed end-quenching apparatus Fig 1 The sample for end-quenching is a 120-mm-long cylinder bar with diameter of 25 mm The bars were first solution treated at 470 176 C for 1 h then rapidly moved to the end-quenching apparatus to undergo water spray cooling...

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An experimental investigation of film boiling with ,

Mar 11, 2021 0183 32 The paper describes new experiments on cooling of metallic spherical and cylindrical bodies in film boiling with submerged impinging jet of the same liqu The submerged jet impingement is considered as a method of destabilization of the vapor film around a cooled body during film boiling due to initiating a cold spot at the stagnation point...

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Spray quenching Article about spray quenching by The ,

Water spray quenching of metals got a lot of attention due to its very high cooling efficiency It is shown in Figures 11 a , 11 b , 11 c , and 11 d that maximum surface heat flux during spray quenching of the samples decreases with increasing thickness of the sample...

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Cement and its effect to the environment A case study in ,

the incoming material Kiln feed Regardless of the type, the clinker cooler is installed to improve the product quality by quenching the clinker For drying and grinding of coal and feeding to the kiln systems such as direct firing, semi-direct firing and indirect firing are used...

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