Matches 151 - 200 out of 226 < 1 2 3 4 5 >


Match Document Document Title
4092212 Selective impregnation of heterogenous fiber material before digestion  
Impregnation of fiber material before digestion is accomplished utilizing a minimum amount of equipment. Liquid with entrained fiber material -- both fiber material sufficiently impregnated with...
4078964 Method and apparatus for filling a pressure treatment vessel with a fiber material and liquid mixture  
A method and apparatus for filling a treatment vessel with a fiber material -- liquid mixture. A conventional feeder rotor, having a number of pockets extending therethrough, has each pocket...
4071399 Apparatus and method for the displacement impregnation of cellulosic chips material  
An apparatus and method for the displacement impregnation of cellulosic chips material with digesting liquid. Cellulosic chips material and liquid are fed from a source to a high pressure transfer...
4057461 Method and apparatus for impregnation of fiber material by pressure pulsation  
An apparatus and method for impregnating fiber material with treatment liquid before treatment thereof in a high pressure vertical fiber material treatment vessel. Fiber material and treatment...
4039373 Static discharge device and method for fiber discharge from a pressurized digester  
A static discharger includes a vertical casing connected to a pressurized pulping digester for receiving a stream of fibrous material and having a valve isolated scrap collector positioned on its...
4033811 Method and apparatus for filling of fiber material and liquid to steam phase in treatment vessel  
A method and apparatus for filling a treatment vessel, such as a digestor, with fiber material and liquid. A chips-liquid mixture from a pretreatment vessel is fed through a conventional feeding...
4028171 Method for continuous treatment of fiber material in a vertical array  
A method for continuous treatment of fiber material in a digestor or the like that allows substantial segregation of the digestor treatment zones so as to prevent upflow of liquid from a bottom...
3992248 Continuous feeding system for treatment towers  
An improvement in continuously feeding slurry material to vertical upflow treatment towers. The improvement comprises providing a plurality of spaced apart inlet or outlet openings in the bottom...
3964962 Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit  
Gaseous reaction apparatus wherein a portion of the supplied gas is discharged from the reaction vessel at a location below the upper level of a therein contained columnar mass of material wherein...
3941650 Continuous digester  
A continuous digester in which liquor is drained, at various levels, through a screen into a compartment formed by half rings attached to the interior of the digester. The compartment is provided...
3902962 Liquid separator for lignocellulose containing material  
A liquid separator for de-watering a liquid suspension of lignocellulosic material prior to introducing the same into the reaction chamber where it is treated under elevated pressure. The reaction...
3874996 CHIP FEEDER FOR HIGH PRESSURE PULPING SYSTEM  
A chip feeder comprising a holding tank receiving chips in the form of a slurry by means of a low pressure system and having associated therewith an alternatively operable high pressure recycling...
3849247 SCREENING AND FEEDING DEVICE FOR CELLULOSE DIGESTERS  
A cellulose digesting apparatus having at least one vertical digester in open communication with a pressure-resistant vessel containing a screening device, the screening device comprising a shell...
3843468 METHOD AND APPARATUS OF A TWO ZONED,LIQUID LEVEL CONTROLLED SCREENING AND FEEDING DEVICE FOR CELLULOSE DIGESTION  
3822179 METHOD AND APPARATUS FOR OPTIMIZING STEAM CONSUMPTION OF CONTINUOUS DIGESTER  
3814664 GASEOUS REACTION APPARATUS INCLUDING A PERIPHERAL GAS RECEIVING CHAMBER  
3787284 DEVICE FOR DISCHARGING CELLULOSIC PULP FROM A DIGESTER  
At least three sets of scraper devices are inserted in the bottom of a continuous cellulose digester for forwarding pulp passing along the axis of the digester and within a partition therein...
3785920 METHOD OF TREATING RAW CELLULOSIC MATERIALS  
3785577 APPARATUS FOR THE GASEOUS REACTION OF MATERIAL  
Apparatus comprising a vessel, means for compacting material and supplying the compacted material to the vessel, means for breaking-up the compacted material and spreading the broken-up material...
3758379 REVOLVER FEEDER FOR CELLULOSIC MATERIALS  
3743572 SCREW FEEDER IN A CONTINUOUS CELLULOSE DIGESTER  
3741864 CONTINUOUS DIGESTER CHECK VALVE  
3725193 PROCESS AND APPARATUS FOR THE CHEMICAL REACTION BETWEEN A GAS AND A WOOD PULP  
3684651 DIGESTION OF FIBRE PULP FROM VEGETABLE RAW MATERIAL INCLUDING PULP LEVEL CONTROLS  
3681192 SLUICE FEEDERS FOR INTRODUCING FINELY DIVIDED CHIPS INTO VESSELS UNDER PRESSURE  
3681191 PAPER PULP DIGESTER BLOWDOWN METHOD  
3643878 DEVICE FOR FEEDING DENSE CELLULOSIC PULP INTO A CLOSED CONTAINER  
A means for fluffing cellulosic pulp that should be treated in a gaseous environment, e.g., bleached with a gaseous bleaching agent, consists of a rotary breaker inserted in an inlet chamber at...
3622441 MULTIPLE DISCHARGE STOCK TREATMENT APPARATUS AND METHOD  
Stock treatment apparatus particularly suited for the bleaching of fibrous material such as pulp by chemicals such as chlorine or the hydrosulfides, comprising a generally upright elongated...
3619348 PROCESS FOR CONTINUOUS CELLULOSE COOKING  
The invention provides an apparatus and method for producing cellulosic pulp. A downwardly moving column of cellulosic material is contacted with a countercurrent flow of steam in a steaming zone....
3586600 CONTINUOUS DIGESTING APPARATUS  
3579418 METHOD AND APPARATUS FOR COMMON DIGESTION OF WOOD CHIPS AND SAW DUST  
3579421 CONTINUOUS CELLULOSE DIGESTER WITH TWO SEPARATE PULP OUTLETS  
3579417 CONTINUOUS DIGESTER WOOD CHIP LEVEL CONTROL  
3578554 METHOD FOR COMMON DIGESTION OF TWO DIFFERENTLY PRE-TREATED FRACTIONS OF WOOD CHIPS  
3554864 CONTINUOUS DIGESTER WITH DUAL CHARGING MEANS  
3537953 PULPING PROCESS INCLUDING THE TRANSFER OF WOOD CHIPS FROM A FIRST TO A SECOND DIGESTING LIQUOR  
3519532 CONTINUOUS DIGESTER DISCHARGER CONTAINING AUTOMATIC TEMPERATURE AND LEVEL SENSING MEANS AND METHOD THEREOF  
3492198 HEAT AND TURPENTINE RECOVERY FROM PULP DIGESTERS  
3475271 CELLULOSE DIGESTER WITH WASHING APPARATUS  
3471364 APPARATUS FOR SUBJECTING CELLULOSIC MATERIAL TO COUNTERFLOW OF CONDITIONING FLUID  
3471365 APPARATUS FOR IMPREGNATING FIBROUS MATERIAL  
3434920 APPARATUS FOR CONTINUOUS DIGESTING  
3434921 CONTINUOUS DIGESTER WITH MULTIPLE COLUMN DISCHARGER  
3432382 STATIONARY POCKET FEEDER APPARATUS FOR DIGESTER  
3429773 CONTINUOUS CELLULOSE DIGESTER WITH CHARGING DEVICE  
3411986 Axial flow rotary feeder for cellulose digester  
3397718 Valve means  
3397110 Cleaning of heat exchangers used with cellulose digesters  
3388038 Apparatus for charging a continuous digester  
3347741 Feeder for solid materials  

Matches 151 - 200 out of 226 < 1 2 3 4 5 >