CA1084750A - Means for damping the pressure disturbances in the pulp suspension flow in a paper machine - Google Patents
Means for damping the pressure disturbances in the pulp suspension flow in a paper machineInfo
- Publication number
- CA1084750A CA1084750A CA288,138A CA288138A CA1084750A CA 1084750 A CA1084750 A CA 1084750A CA 288138 A CA288138 A CA 288138A CA 1084750 A CA1084750 A CA 1084750A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- flow
- damping
- pressure
- means according
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 76
- 239000000725 suspension Substances 0.000 title description 27
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 208000036366 Sensation of pressure Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/06—Regulating pulp flow
Landscapes
- Paper (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI762826 | 1976-10-05 | ||
| FI762826A FI57282C (fi) | 1976-10-05 | 1976-10-05 | Anordning foer daempning av tryckstoerningar i massasuspensionsstroemningen i en pappersmaskin |
| FI771693 | 1977-05-26 | ||
| FI771693A FI771693A7 (fi) | 1977-05-26 | 1977-05-26 | Elastisk anslutning foer massaroeret till samband med anordning foer daempning av massasuspensionsstroemningens tryckstoeringar i en pappersmaskin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084750A true CA1084750A (en) | 1980-09-02 |
Family
ID=26156841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA288,138A Expired CA1084750A (en) | 1976-10-05 | 1977-10-04 | Means for damping the pressure disturbances in the pulp suspension flow in a paper machine |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4169757A (OSRAM) |
| JP (1) | JPS5370105A (OSRAM) |
| BR (1) | BR7706576A (OSRAM) |
| CA (1) | CA1084750A (OSRAM) |
| DE (1) | DE2744511A1 (OSRAM) |
| FR (1) | FR2367143A1 (OSRAM) |
| GB (1) | GB1568109A (OSRAM) |
| IT (1) | IT1087732B (OSRAM) |
| NO (1) | NO773382L (OSRAM) |
| SE (1) | SE7711098L (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1190988B (it) * | 1982-09-07 | 1988-02-24 | Mondadori Editore Spa | Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta |
| US4612089A (en) * | 1984-03-16 | 1986-09-16 | Devron Engineering Ltd. | Surge suppression device |
| DE3427390A1 (de) * | 1984-07-25 | 1986-02-06 | J.M. Voith Gmbh, 7920 Heidenheim | Sortierer, insbesondere vertikalsichter |
| US4637434A (en) * | 1985-06-07 | 1987-01-20 | Beloit Corporation | Three-way valve for an attenuator |
| US7614568B2 (en) * | 2000-08-24 | 2009-11-10 | Microlin, Llc | Device employing gas generating cell for facilitating controlled release of fluid into ambient environment |
| US8113390B2 (en) * | 2007-04-18 | 2012-02-14 | Microlin, Llc | Gas generation dispenser apparatus and method for on-demand fluid delivery |
| EP2714102B1 (en) | 2011-06-03 | 2018-10-10 | Microlin, LLC | Device for delivery of volatile liquids to gaseous environment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2448118A (en) * | 1945-05-18 | 1948-08-31 | Gulf Oil Corp | Pulsation absorber |
| US3473565A (en) * | 1966-05-25 | 1969-10-21 | Josam Mfg Co | Shock absorber for liquid flow lines |
| US3563852A (en) * | 1967-08-11 | 1971-02-16 | Black Clawson Co | Headbox for twin wire paper making apparatus |
| US4030971A (en) * | 1974-12-13 | 1977-06-21 | Beloit Corporation | System compensating for pressure fluctuations in a paper machine headbox |
-
1977
- 1977-10-03 GB GB40935/77A patent/GB1568109A/en not_active Expired
- 1977-10-03 BR BR7706576A patent/BR7706576A/pt unknown
- 1977-10-04 SE SE7711098A patent/SE7711098L/xx unknown
- 1977-10-04 IT IT28252/77A patent/IT1087732B/it active
- 1977-10-04 NO NO773382A patent/NO773382L/no unknown
- 1977-10-04 DE DE19772744511 patent/DE2744511A1/de not_active Ceased
- 1977-10-04 CA CA288,138A patent/CA1084750A/en not_active Expired
- 1977-10-05 JP JP11913177A patent/JPS5370105A/ja active Pending
- 1977-10-05 FR FR7730019A patent/FR2367143A1/fr active Granted
- 1977-10-05 US US05/839,502 patent/US4169757A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2744511A1 (de) | 1978-04-06 |
| FR2367143A1 (fr) | 1978-05-05 |
| US4169757A (en) | 1979-10-02 |
| SE7711098L (sv) | 1978-04-06 |
| NO773382L (no) | 1978-04-06 |
| IT1087732B (it) | 1985-06-04 |
| FR2367143B3 (OSRAM) | 1980-07-25 |
| BR7706576A (pt) | 1978-06-27 |
| GB1568109A (en) | 1980-05-21 |
| JPS5370105A (en) | 1978-06-22 |
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| FI79365C (fi) | Aktivdaempare foer daempning av tryckvibrationer i inloppslaodan och massaroersystemet i pappers- och kartongmaskiner. | |
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| CN120100718A (zh) | 干式螺杆压缩机脉动消减装置 | |
| RU2061813C1 (ru) | Способ напуска волокнистой массы на сетку бумагоделательной машины |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |