GB218943A - Improved apparatus for straining cellulose, paperpulp or the like - Google Patents
Improved apparatus for straining cellulose, paperpulp or the likeInfo
- 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
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.
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) |
-
1924
- 1924-02-06 GB GB314724A patent/GB218943A/en not_active Expired
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