DE1944158A1 - Verfahren und Vorrichtung zur Regelung des Druckes im Druckeinlaufkasten von Papiermaschinen - Google Patents
Verfahren und Vorrichtung zur Regelung des Druckes im Druckeinlaufkasten von PapiermaschinenInfo
- Publication number
- DE1944158A1 DE1944158A1 DE19691944158 DE1944158A DE1944158A1 DE 1944158 A1 DE1944158 A1 DE 1944158A1 DE 19691944158 DE19691944158 DE 19691944158 DE 1944158 A DE1944158 A DE 1944158A DE 1944158 A1 DE1944158 A1 DE 1944158A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- inlet box
- sump
- volume
- change
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 230000001105 regulatory effect Effects 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000792859 Enema Species 0.000 description 3
- 239000007920 enema Substances 0.000 description 3
- 229940095399 enema Drugs 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009747 swallowing Effects 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/2937—Gas pressure discharge of liquids feed traps [e.g., to boiler]
- Y10T137/294—Gas pressure controlled by amount of liquids in boiler or discharge receiver
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/3115—Gas pressure storage over or displacement of liquid
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Paper (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI99168 | 1968-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1944158A1 true DE1944158A1 (de) | 1970-04-02 |
Family
ID=8504931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691944158 Pending DE1944158A1 (de) | 1968-09-24 | 1969-08-30 | Verfahren und Vorrichtung zur Regelung des Druckes im Druckeinlaufkasten von Papiermaschinen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3649446A (enExample) |
| DE (1) | DE1944158A1 (enExample) |
| GB (1) | GB1233999A (enExample) |
| SE (1) | SE365009B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2367142A1 (fr) * | 1976-10-05 | 1978-05-05 | Valmet Oy | Systeme amortisseur des variations de pressions de l'ecoulement de suspension de pulpe dans la boite de tete hydraulique d'une machine a papier |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030971A (en) * | 1974-12-13 | 1977-06-21 | Beloit Corporation | System compensating for pressure fluctuations in a paper machine headbox |
| US4443156A (en) * | 1981-02-10 | 1984-04-17 | Dunnam Jr James A | Automatic natural gas compressor control system |
| FI79365C (fi) * | 1988-03-28 | 1989-12-11 | Ahlstroem Valmet | Aktivdaempare foer daempning av tryckvibrationer i inloppslaodan och massaroersystemet i pappers- och kartongmaskiner. |
| US6149770A (en) * | 1998-04-14 | 2000-11-21 | Honeywell-Measurex Corporation | Underwire water weight turbulence sensor |
| PL3813560T3 (pl) | 2018-06-29 | 2022-11-21 | Philip Morris Products S.A. | Sposób i urządzenie do odlewania wstęgi z materiału zawierającego alkaloidy |
-
1969
- 1969-03-31 SE SE04502/69A patent/SE365009B/xx unknown
- 1969-04-07 US US814115A patent/US3649446A/en not_active Expired - Lifetime
- 1969-04-09 GB GB1233999D patent/GB1233999A/en not_active Expired
- 1969-08-30 DE DE19691944158 patent/DE1944158A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2367142A1 (fr) * | 1976-10-05 | 1978-05-05 | Valmet Oy | Systeme amortisseur des variations de pressions de l'ecoulement de suspension de pulpe dans la boite de tete hydraulique d'une machine a papier |
Also Published As
| Publication number | Publication date |
|---|---|
| SE365009B (enExample) | 1974-03-11 |
| GB1233999A (enExample) | 1971-06-03 |
| US3649446A (en) | 1972-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |