patent ep0509581a2 burner for a rotary kiln google patents

(PDF) History of the rotary kiln | Fathi Habashi ...

The rotary kiln was adopted by cement manufacturer in 1824 as Lime was usually produced in a vertical kiln (Fig. 3). soon as Joseph Aspdin (1788-1855), the brick-layer and The process was operated batch-wise; at the end of mason in Leeds, England discovered what he called Port- heating the charge, the kiln was allowed to cool and the land cement1.

Rotary Kilns For Alternative Fuels

Rotary kiln for alternative fuels. The present invention relates to a method for burning raw materials, such as cement raw meal, limestone or other mineral-containing raw materials, by which method the raw materials and a secondary fuel are separately introduced to one and the same rotary kiln in which both the raw material and the secondary fuel are heated by gases formed by burning …

WO2001053751A1

A direct coal fired burner system (22) for a rotary kiln (20) in which the burner (36) has a multi-barrel construction through which primary air for conveying coal is heated with tertiary air sourced from the rotary kiln (20), and the shape of the emerging flame is controlled by a first annulus of swirling tertiary air adjacent the primary airstream and by a second annulus of laminar tertiary ...

CA2066376A1

Burner for a rotary kiln. ABSTRACT A burner for a rotary kiln consists of a central pipe (5) for introducing an oil or gas lance, a first concentric pipe (8) for introducing primary air and a second concentric pipe (1) for introducing a mixture of solid fuel and carrier air into the burning zone of the kiln.

US6347937B1

A direct coal fired burner system for a rotary kiln in which the burner has a multi-barrel construction through which primary air for conveying coal is heated with tertiary air sourced from the rotary kiln, and the shape of the emerging flame is controlled by a first annulus of swirling tertiary air adjacent the primary airstream and by a second annulus of laminar tertiary air …

Burner For A Rotary Kiln Ep0509581a2

2020-9-2 · Burner For A Rotary Kiln Ep0509581a2. 2 way adjustable burner mount gas orfice ring adjustable pilot assembly refractory covered stainless steel burner pipe typical cross section of a gas burner spark ignited gas pilot state of the art burner systems the combustion system is a key element in efficient thermal processing of ores minerals and similar bulk solids in a rotary kiln.

US4377978A

A rotary kiln (16) fired with pulverized coal as the primary fuel with the firing system including a burner (22) capable of utilizing coal, gas or oil. The firing system and burner are such as to provide particular ratio of burner discharge area to primary air flow for coal firing so as not to contaminate the kiln product during coal firing operation.

concrete conveyor patents

2021-7-13 · concrete conveyor - rotec industries inc. Aconveyormechanism particularly for conveyingconcretemix from one place to a place of use. An elongated and movable support frame of unique design is provided and serves several functions, including support of theconveyormechanism and variable adjustment for the idlers supporting a beltconveyor, and …

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tunnel kiln dri water cooling system « BINQ Mining

2013-6-15 · Patent US5613847 – Heat transfer in a tunnel kiln – Google Patents. In a tunnel kiln for the firing of ceramic products in a tunnel kiln having a … 3, the …

New Rotary Kiln Burner Technology Aucbm

New Rotary Kiln Burner Technology Aucbm. Jun 10, 2017 The NSP Cement Technology for Rotary Kiln. 2017.06.10 40 of the fuel from the kiln head burner into the kiln,absorbing the high temperature secondary air from cooling machine and the hot flue gas in the downstream of inverse flow,the fuel catch fire and burn,under the pumping action of the tail fan of the kiln,the …

Rotary Kiln Lining

2019-12-19 · Cement Kiln Refractories Understanding Cement. The durability of the rotary kiln brick lining generally determines the duration of a kiln operating campaign Whilst great efforts are made to ensure appropriate refractory brick materials selection installation deployment zoning and the optimisation of the kiln lightup it is primarily the nature and stability of the subsequent kiln …

kiln alignment pdf

2021-7-17 · Kiln Axis Alignment System 1 Introduction The TomTomTools Kiln Axis Alignment system is an easy and fast way to verify the straightness of rotary kilns or dryers The combination of a modern Robotic Theodolite the powerful software and the unique Accessory Kit facilitate the measurement in a ...

PEDCO rotary cascading bed boiler may have synfuels ...

The Rotary Combustor is a novel concept for burning coal with low SO{sub 2} and NO{sub x} emissions. It burns crushed coal in a fluid bed where the bed is maintained in a rotating drum by centripetal force. Since this force may be varied, the combustor may be very compact, and thus be a direct replacement for a p.c. burner on existing boilers.

US Patent for Process for high free ...

1996-5-29 · The kiln 14 is mounted for rotation relative to feed inlet 12 and cooler 16. Rotary kiln 14 has a drying zone 20, for use in a wet process, a calcining zone 22, a burning zone 24 and an initial cooling zone 26. Rotary kiln 14 extends between a feed port 18 and a clinker outlet 28.

Combustion in-rotary-kilns-precalciners-new-targets-and ...

2018-6-22 · NEW PATENT EP 00.401340.5 of May 16,2000 Enables to control via INTERNET: Fives Pillard improved a well-known probe and offers it with,for SO2, NOx, CO, O2 analyzers : Our specialists operate worldwide. coal/petcoke dosing systems :STAPILDOS Burner Management System :ROTASAFE sampling probes at kiln inlet :ROTASAMPLER : 200 m : 8 …

Rom D. Young Inventions, Patents and Patent Applications ...

2002-11-19 · Abstract: A lightweight aggregate and a process and apparatus by which FCC, petroleum equilibrium fluid-cracking catalyst, a by-product of the oil refinery industry, can be added to the feedstock materials fed into the feed end of a rotary lightweight aggregate kiln or blown into the discharge end of the same kiln by insufflation, or by a combination of both …

recirculation hot air fan for heat eand changer for rotary ...

Patent US4836775 - Air cooled rotary kiln collar - Google Patents. 6 Jun 1989 ... An air cooled rotary kiln collar for use in improving the delivery of ... Adjustable rate fans circulate air through an annular collar at the discharge end of ... Liquid in the hot region of the tubes is acted upon by the heat from the kiln and is evaporated. ...

CERAMIC PATENTS, Journal of the American Ceramic …

CERAMIC PATENTS. G. E . MIDDLETON, Abstractor. General. Kiln. J. C. SCHAFFER.U. S. 1,318,806, October 14, 1919. A series of normally operating, round, down-draft kilns are connected in series by underground and overhead ducts so that they may operate continuously. The products of combustion pass downwardly into the underground duct, thence upwardly through the next adjacent kiln …

Charcoal Generation With Gasification Process

2018-8-28 · FIELD OF INVENTION. This invention relates to a reactor configuration for generation of charcoal from coconut shell and other low ash content biomass using the gasification - a thermo-chemical process; with high yield up to 35 % and also a gaseous fuel for use in thermal or power generation in a environmentally benign manner, with an overall …

Batteries | Free Full-Text | A Critical Review of Lithium ...

A secondary lithium-ion battery (LIB) is a rechargeable electrochemical energy storage device. Since their development in the 1970s, and because of their unique characteristics of high energy capacity and long lifespan, LIBs have become …

Study on reactions of gaseous P2O5 with Ca3(PO4)2 and …

2018-4-1 · In a rotary kiln process for phosphoric acid production, the reaction between gaseous phosphorus pentoxide (P 2 O 5) and phosphate ore and silica contained in feed balls (the so-called P 2 O 5 "absorption") not only reduces phosphorous recovery but also generates a large amount of low melting-point side products. The products may give rise to formation of kiln ring, …

Utilisation of municipal solid wastes for mortar ...

2002-8-1 · The present study is based on the Greek patent 1003333 (Sikalidis et al., 2000), which concerns with; the separation of MSW into two fractions, the light and the heavy one; the burning of the light fraction through a specific burner into a two stages rotary kiln; the introduction of the heavy fraction directly into the ∼1100 °C zone of the ...

Technological prospecting in the production of charcoal: A ...

2019-9-1 · According to Fig. 2, the number of patents on carbonization kilns for charcoal production went through a sharp increase starting in the 1990s tween 1990 and 1999, 25 patent documents were found; between 2000 and 2009, there were 72; and between 2010 and 2017, there were 75, while the latter represents 43% of the patents selected by this research.

US Patent for Rotary kiln with a polygonal lining Patent ...

1995-8-22 · A rotary kiln having a polygonal lining is disclosed for pyro-processing cement, lime, other minerals, as well as other materials. Specifically, utilizing a polygonal lining of brick or a refractory or ceramic material having between 3 and 12 sides improves the heat efficiency or heat transfer between high-temperature gases and a burden of material to be processed by the kiln.

pulverized coal burner | worldcrushers

2013-9-17 · Patent US5937770 – Pulverized coal burner – Google Patents A pulverized coal burner includes a venturi for contracting a flow of a mixture of pulverized coal and primary air toward a central axis of a fuel nozzle 2.

Pulverize Coal Burner | Crusher Mills, Cone Crusher, Jaw ...

A pulverized coal burner including a primary throat having at its forward end a swirler for feeding pulverized coal and primary air in vortical flow, a …. US Patent # 5,937,770. Pulverized coal burner – Patents . A pulverized coal burner includes a venturi for contracting a flow of a mixture of pulverized coal and primary air toward a ...

CERAMIC PATENTS, Journal of the American Ceramic …

CERAMIC PATENTS CERAMIC PATENTS 1919-07-01 00:00:00 Discussion on setting of cements and plasters. E. HATSCHEK. Trans. Faraday Soc., 14,53 (1919).-The reason for the different results obtained by Le Chatelier and Michaelis in regard t o the setting of cement is that one worked in dilute and the other in concentrated solution, and this is practically the whole …

US Patent for Pyrolyzer-kiln system Patent (Patent ...

1990-2-7 · A pyrolyzer-kiln system for generating combustible fume from waste material and supplementing the fuel used to provide heat energy to a clinker kiln. The system includes a pyrolyzer for generating a combustible pyrolytic fume, a kiln for burning the fume as part of a cement-forming process, a conduit for conveying the fume from the pyrolyzer to the kiln, and a …

US Patent Application for Tapered grizzly bars for lime ...

2003-2-27 · A grizzly bar device for a rotating kiln having an annular array of bars having at least two adjacent bars, wherein the thickness the bars is reduced in lateral and radial directions, and gap between the adjacent bars increases in width as the bars extend laterally from front to back of the bar and extend radially inward of the kiln. Another taper on a front face of the bars …

EP0509581A2

A burner for a rotary kiln consists of a central pipe (5) for introducing an oil or gas lance, a first concentric pipe (8) for introducing primary air and a second concentric pipe (1) for introducing a mixture of solid fuel and carrier air into the burning zone of the kiln. The pipes (5, 8 and 1) form mutually annular channels, the primary air channel being located inside the solid fuel/air ...