vertical shaft kiln patents

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BrickKilns&Performance&Assessment&

Vertical Shaft Brick Kiln (VSBK – India and Vietnam) Down-Draught Kiln (DDK- India) Tunnel Kiln (Vietnam) This study is one of two research components aimed at developing strategies for the introduction and promotion of cleaner walling materials in India Results Energy performance ....

Shaft furnace for burning loose material

Known shaft furnace for roasting granular material with getting gas saturation (see RF patent №2211418, IPC F27 1/00, 13D 3/06, publ 27082003), used to clean the diffusion juice containing cylindrical lining shaft, inlet and outlet of the device, the suction duct of the flue gas is in, gas pump connected to the suction pipe with duct ....

Glossary | Lhoist - Minerals and lime producer

The Annular Shaft Kiln (ASK) is one of the numerous types of lime kiln technologi Starting with a vertical shaft, external combustion chambers have been installed at two levels There are either 4 or 5 chambers on each level, depending upon the size of the kiln An internal cylinder creates an annular zone through which the charge passes ....

Zero Rejection Of Lime During Lance Changing In Maerz Kiln ,

Sep 02, 2018· The maerz kiln is provided with vertical twin shaft kiln (3, 4) Each vertical shaft kiln (3 and 4) has a provision of combustion gas inlet point (5,5) and a level sensor (6) and a lance tip (7), a plurality of lance point (8) as shown in Fig2...

Vertical Shaft Kilns Wikipedia

Vertical Shaft Cement Kiln Us Patent - Praxis-Lacroixde 2020-6-5Vertical shaft cement kilns - writers-block Patent US5738511 - Vertical shaft kiln - Google This invention relates to a a vertical shaft kiln VSK useful for manufacturing cement and other allied products which comprises a rotary nodule Details...

The rotary kiln heat exchanger - Patent search, search ,

The heat exchanger rotary kiln is made of two branches (right and left), and heat exchange elements in the form of paired vertical pipes and form a stage of preheating the raw meal Vertical pipes 4 (ducts) and right branches are in the lower part of the precipitation chamber 5 and is connected to the exhaust fan 6 through the duct 7 and the ....

Indian Patents 264482:ZERO REJECTION OF LIME DURING LANCE ,

The maerz kiln is provided with vertical twin shaft kiln (3,4) Each vertical shaft kiln (3, & 4) have a provision of combustion gas inlet point (5, 5) and a level sensor (6) and a lance tip (7), a plurality of lance point (8) as shown in fig-2 5 one charge of lime stones (9) from charge bin at top of the maerz kiln (1) i...

History of Concrete - CEMEX USA - CEMEX

The first rotary kiln was introduced in England to replace the vertical shaft kilns 1887: , Thomas Edison was issued a patent for rotary kilns 1929: Dr Linus Pauling of the USA formulated a set of principles for the structures of complex silicat 1930:...

Zero Rejection Of Lime During Lance Changing In Maerz Kiln ,

Sep 02, 2018· The maerz kiln is provided with vertical twin shaft kiln (3, 4) Each vertical shaft kiln (3 and 4) has a provision of combustion gas inlet point (5,5) and a level sensor (6) and a lance tip (7), a plurality of lance point (8) as shown in Fig2...

Indian Patents 264482:ZERO REJECTION OF LIME DURING LANCE ,

The maerz kiln is provided with vertical twin shaft kiln (3,4) Each vertical shaft kiln (3, & 4) have a provision of combustion gas inlet point (5, 5) and a level sensor (6) and a lance tip (7), a plurality of lance point (8) as shown in fig-2 5 one charge of lime stones (9) from charge bin at top of the maerz kiln (1) i...

Kilns and furnaces - IMPERIAL CHEMICAL INDUSTRIES LIMITED

17 A vertical shaft kiln as in claim 16 wherein burners are disposed at at least two levels in the shaft 18 A vertical shaft kiln as in claim 16 wherein said programming means is arranged to provide a variation in the flow pattern of hot gaseous fluid in accordance with a cyclic sequence 19...

US3823073A - Calcining coke in vertical kiln - Google Patents

a new method of calcining coke in a vertical kiln in two zones to shorten the kiln residence time and to provide efficient heat transfer to the coke particl green coke is dried, preheated and fed to a choking zone of a vertical klin for calcining in suspension with countercurrent flow of asceding flue gas, ten further calcined in a free all zone of the kiln by contact with ascending ....

Harlan G Graf Inventions, Patents and Patent Applications ,

Date of Patent: October 4, 1983 Assignee: Conoco Inc Inventors: Richard L Davis, Harlan G Graf, Don L Edwards, William B Macbeth, Jr Water cooled vertical gas distributor Patent number: 4344754 Abstract: A vertically disposed gas distributor for injection of combustion air into a shaft kiln The air distributor extends from the upper ....

Method for calcining delayed coke (Patent) | OSTIGOV

Abstract Delayed petroleum coke is calcined in an internally-fired vertical shaft kiln 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...

US3402225A - Method of preparing vertical shaft kiln feed ,

US3402225A - Method of preparing vertical shaft kiln feed for production of portland cement - Google Patents Method of preparing vertical shaft kiln feed for production of portland cement , 1966-10-07 Priority to US58500866 priority Critical patent/US3402225A/en 1968 ,...

verical kiln process for cement production

vertical shaft kiln cement manufacturing process Cleaner production assessment in cement plant using, Process Flow sheet of Cement Manufacturing situated on the top of the kiln Kiln Operation The vertical shaft kilns are fed with raw mix of appro-priate composition in the form of nodul The vertical shaft kiln in which the nodules are converted into clinker consists of a cylindrical shell with ....

CSIR-NEIST, Jorhat

The glorious journey of Advanced Materials Group has started from 1964 At the beginning it was established as Fuel Division for research in Vertical Shaft Kiln technology for cement making In 1967, it was converted to Cement Division for working on Vertical Shaft Kiln (VSK) technology...

US Patent for Vertical type calcination kiln Patent ,

Justia Patents Shaft Type US Patent for Vertical type calcination kiln Patent (Patent # 5,769,627) Vertical type calcination kiln Jun 7, 1996 - Chisaki Co, Ltd A storage device 23 for storing a raw material to be calcined is provided at a position above a kiln cover 1, and the storage device 23 is connected to a preheating space 22 in such ....

Having Agitator Or Movably Mounted Baffle For Shaft Or ,

Oct 22, 2012· Abstract: The apparatus of this invention is a vertical shaft kiln designed for firing aggregate materials In a specific application the kiln is used to fire limestone aggregate (crushed limestone) to produce lime The kiln chamber in this apparatus is defined by an annular space between an outer vertical shaft and an inner vertical shaft...

CEMENT and CONCRETE TECHNOLOGY

The first rotary kiln was introduced in England to replace the vertical shaft kilns 1889 The first concrete reinforced bridge is built 1890 The addition of gypsum when grinding clinker to act as a retardant to the setting of concrete was introduced in the USA Vertical shaft kilns were replaced with rotary kilns and ball mills were used for...

C04B 2 - Lime, magnesia or dolomite - Patents Sitemap

CN204022689U 一种带有发电装置的套筒式竖窑 Shaft Kiln A power unit with the : 12/17/2014: CN204022688U 一种内置燃烧室的石灰竖窑 A built chamber vertical lime kiln : 12/17/2014...

Process for producing calcined coke and rich synthesis gas ,

As shown in the drawing, a vertical shaft kiln 10 is provided with an upper receiving hopper 11 and distribution members 12 for uniformly feeding particulate carbonaceous material An air distributor 13 is provided near the midpoint of kiln 10, and a steam distributor 14 is provided near the bottom of kiln 10...

Concrete Story-Telling

-1886 The first rotary kiln was introduced in England to replace the vertical shaft kilns -1887 Henri Le Chatelier of France established oxide ratios to prepare the proper amount of lime to produce Portland cement He named the components: Alite (tricalcium silicate), Belite (dicalcium silicate), and Celite (tetracalcium aluminoferrite)...

Fercalx Vertical Lime Kilns - Lime Kilns - Autoclaves

The FERCALX VERTICAL LIME KILN *Three Way Pressure System* is today – economically and technically wise - the most updated solution available in the market as far as the limestone calcination process is concerned Single Shaft Kiln combines the simplicity of its concept with advanced technology to reach top performances, producing calcitic quicklime and dolomitic lime for all industrial needs...

Patents Assigned to Conoco In - Justia Patents Search

Justia - Patents - Patents and Patent Application Resourc Abstract: A method and apparatus for controlling the flow of fluids from an open well bore, fluidly communicating the surface and a subterranean formation, the apparatus comprising(a) a slideable base;(b) a support positioned on the base;(c) a pipe engaging device positioned on the support above the base to urge a pipe into the open ....

Method for calcining delayed coke - Conoco, Inc

Vertical shaft kilns have been used for calcining coke British Pat No 770,930 and US Pat No 3,433,713 describe externally-fired gravity-flow shaft kilns for calcining coke These kilns include burners which heat the exterior of the calciner An internally-fired vertical calcining kiln is described in US Pat No 3,823,073...

Fercalx Vertical Lime Kilns - Lime Kilns - Gasification Plant

Single Shaft Kiln combines the simplicity of its concept with advanced technology to reach top performances, producing calcitic quicklime and dolomitic lime for all industrial needs , Innovative solutions certificated by several Patents and Pending Patents applied to the kiln system, , The FERCALX VERTICAL LIME KILN can be heated either ....

Lime Shaft Kilns - ScienceDirect

Aug 01, 2017· The patent was transferred in 1965 to Maerz Ofenbau AG in Zurich / Switzerland which then further developed the kiln process and the kiln design 522 Operating principle Due to the conditions of parallel flow of the kiln charge and the combustion gases in the burning shaft the parallel flow regenerative kiln (PFR kiln) is perfectly suitable ....

Iron Ore Agglomeration Processes and their Historical ,

Dec 28, 2015· At first, vertical ‘shaft kilns were used exclusively in pilot-plant research, moist balls of concentrate being fed into the top and moving downwards against an ascending flow of hot gases which first dried them, and then elevated their temperature to the hardening region Hardened pellets were withdrawn from the bottom of the kiln...

MODERN DISCHAREGE OF VERTICAL SHAFT KILN

Patent US4948364 - Lime kilns - Google Patents In a counter-flow, shaft or vertical type of kiln, the limestone is introduced at the top of the kiln and makes its way slowly down through the device, finally being discharged at the bottom as limeThe shaft kiln of modern times (the last century) has used a liquid or gaseous fuel introduced at a ....