. La polpa e la rivista cartacea del Canada. h un comparativelylight imballatrice e con una pressione di circa 115 libbre pollici persquare chip sono stati compressi per 50 per centof il loro volume originale. Le dimensioni delle balle sarà 29-in. x 33 in. x28-in. ed essi saranno tenuti in alto e in basso da threewooden stecche e legato a tre bande di filo. Un foto-grafico di una balla è mostrato in Fig. 10. È stato suggerito che la pressatura potrebbe avere una decina di dency per chiudere il chip e la penetrazione di rendering dail liquore di cottura più difficile con ordinarychips e la critica è stato anche offerto che thechips migh

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. Pulp and paper magazine of Canada. h a comparativelylight baler and with a pressure of about 115 lbs. persquare inch chips have been compressed to 50 per centof their original volume. The dimensions of the bales will be 29-in. x 33-in. x28-in. and they will be bound top and bottom by threewooden slats and tied by three wire bands. A photo-graph of a bale is shown in Fig. 10. It has been suggested that baling might have a ten-dency to close up the chips and render penetration bythe cooking liquor more difficult than with ordinarychips and the criticism has also been offered that thechips might be considerably broken up in the balingprocess. Chips from some of the bales made have beenexamined but in no case could a tendency toward clos-ing up or breaking up be discovered. There are many advantages to be derived from theuse of dry baled chips. Purchasing by weight insteadof volume and buying chips of a known moisture con-tent will ensure the buyer of getting a known amountof wood instead of a very variable amount as where. Fig. 10.—Bale of Chips Showing IVIethod of Bindingand Tying. buying by the cord in which case both the solid con-tent and moisture content vary. Freight charges on alot of more or less useless material such as bark andsawdust which at best can only be used as fuel will beavoided. There will be very little danger of dry rot, as is the case with wood stored in yards, for eventhough the chips have to be stored the low moisturecontent will greatly reduce the danger of fungus infec-tion. Several advantages are claimed for the use of drycliips in the manufacturing process. There is a de-crease in volume when chips are dried and this allowsa greater amount of chips to be charged into thedigester than with wet chips resulting in an increasedyield of pulp per digester. Owing to the fact that 436 PULP AND PAPER MAGAZINE December 15, 1916. less water is present to dilute the cooking liquor asaving sulphur and coal is made and the almost con-stant amount of m

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• booksubjectpaperma
• bookyear1903