GB218943A - Improved apparatus for straining cellulose, paperpulp or the like - Google Patents

Improved apparatus for straining cellulose, paperpulp or the like

Info

Publication number
GB218943A
GB218943A GB314724A GB314724A GB218943A GB 218943 A GB218943 A GB 218943A GB 314724 A GB314724 A GB 314724A GB 314724 A GB314724 A GB 314724A GB 218943 A GB218943 A GB 218943A
Authority
GB
United Kingdom
Prior art keywords
drum
cylinder
straining
trunnions
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB314724A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB314724A priority Critical patent/GB218943A/en
Publication of GB218943A publication Critical patent/GB218943A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/06—Rotary screen-drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

218,943. Nebrich, C. Feb. 6, 1924. Rotary strainers. - Apparatus for straining paper pulp &c. comprises a rotary straining drum with an inner non-rotating cylinder, the space within which is subjected to pressure or agitation impulses which act directly upon a comparatively small quantity of the material in the drum. As shown in Figs 1 and 2, the straining drum 2 has hollow trunnions 3, 4 through which the material to be strained is passed into the drum. There is an opening 7 at the bottom of the inner cylinder 6, the trunnions 5 of which are also hollow. Pressure or vacuum pulsations are communicated to the interior of the cylinder 6 through a pipe 10 passing through one of the trunnions 5, the other serving for discharge of the separated knots &c., which are removed from the drum by spray from a pipe 11 and collected in a trough 8 formed at the-top of the cylinder 6. The apparatus may be arranged so that the pulp passes inwa.rds through the drum for straining. Instead of using pulsations, the liquid within the cylinder 6 may be agitated 'by means of a rotary displacer 14, Fig. 3. The cylinder 6 may be closed and provided with a yielding diaphragm 13, Fig. 4.
GB314724A 1924-02-06 1924-02-06 Improved apparatus for straining cellulose, paperpulp or the like Expired GB218943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB314724A GB218943A (en) 1924-02-06 1924-02-06 Improved apparatus for straining cellulose, paperpulp or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB314724A GB218943A (en) 1924-02-06 1924-02-06 Improved apparatus for straining cellulose, paperpulp or the like

Publications (1)

Publication Number Publication Date
GB218943A true GB218943A (en) 1924-07-17

Family

ID=9752827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB314724A Expired GB218943A (en) 1924-02-06 1924-02-06 Improved apparatus for straining cellulose, paperpulp or the like

Country Status (1)

Country Link
GB (1) GB218943A (en)

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