SE2350066A1 - Filtrate sampling device - Google Patents
Filtrate sampling deviceInfo
- Publication number
- SE2350066A1 SE2350066A1 SE2350066A SE2350066A SE2350066A1 SE 2350066 A1 SE2350066 A1 SE 2350066A1 SE 2350066 A SE2350066 A SE 2350066A SE 2350066 A SE2350066 A SE 2350066A SE 2350066 A1 SE2350066 A1 SE 2350066A1
- Authority
- SE
- Sweden
- Prior art keywords
- piston rod
- slot screen
- jacket
- filtrate
- f1ltrate
- Prior art date
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 71
- 239000000706 filtrate Substances 0.000 title claims abstract description 68
- 239000000126 substance Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 12
- 239000000835 fiber Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 150000002978 peroxides Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
- B01D29/445—Bar screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6423—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N2001/002—Devices for supplying or distributing samples to an analysing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1062—Sampling under constant temperature, pressure, or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Claims (14)
1.l. Filtratprovtagningsanordning (lOOa, lOOb) för uppsamling av ett filtratprov från en massalösning, filtratprovtagningsanordningen (lOOa, lOOb) innefattar: en mantel (l40a, l40b), en kolvstång (llOa, llOb) innefattande en första ande (llla, lllb) och en andra ande (ll2a, ll2b), varvid kolvstången (llOa, llOb) ar anordnad inuti namnda mantel (l40a, l40b) i mantelns langdriktning (l40a, l40b), och anordnad att röra sig fram och tillbaka inuti manteln (l40a, l40b) i nmntelns (l40a, l40b) langdriktning, och en slitssil (l20a, l20b) anordnad i kolvstàngen (llOa, llOb), varvid i. filtratprovtagningsanordningen innefattar slitssilen (l20a, l20b) ett antal slitsar (123) som stracker sig i kolvstångens (llOa, llOb) langdriktning, och det finns en smal öppning' mellan. mantelns (l40a, l40b) andkant och slitssilen (l20a, l20b), och mantelns (l40a, l40b) andkant ar anordnad att rengöra slitssilen (l20a, l20b) nar kolvstången (llOa, llOb) ror sig in i manteln (l40a, l40b).
2. Filtratprovtagningsanordning (lOOa, lOOb) enligt krav l, dessutom innefattande ett manövreringsorgan (130) anslutet till den andra anden (ll2a, ll2b) av kolvstàngen (llOa, llOb) och anordnad att flytta kolvstången (llOa, llOb) fram och tillbaka inuti manteln (l40a, l40b) i kolvstàngens (llOa, llOb) langdriktning.
3. Filtratprovtagningsanordning (lOOa, lOOb) enligt krav l eller 2, varvid slitssilen (l20a) ar anordnad vid den första anden (llla) av kolvstàngen (llOa).
4. Filtratprovtagningsanordning (lOOa) enligt något av föregående krav, varvid kolvstàngen (llOa) stracker sig till insidan av slitssilen (120a).
5. Filtratprovtagningsanordning (100a) enligt något av föregående krav, varvid slitssilen (120a) innefattar en första ande (121a) och en andra ande (122a), vilken första ande (121a) ar vand mot den andra anden (112a) av kolvstången (110a) och slitssilen (120a) ar öppen vid sin första ande (121a).
6. Filtratprovtagningsanordning (100a) enligt något av föregående krav, varvid. det finns ett fritt utrymme mellan kolvstången (110a) och den inre ytan av slitssilen (120a).
7. Filtratprovtagningsanordning (100b) enligt krav 1 eller 2, varvid slitssilen (120b) ar formad i kolvstången (110b).
8. Filtratprovtagningsanordning (100b) enligt krav 'L varvid slitssilen (120b) ar anordnad vid den första anden (111b) av kolvstången (110b).
9. Filtratprovtagningsanordning (100b) enligt något av föregående krav 7 till 8, varvid kolvstången (110b) ar ihålig.
10. Filtratprovtagningsanordning (100a, 100b) enligt något av föregående krav, varvid bredden (L1) på slitssilens (120a, 120b) slitsar (123) ar 0,1 till 1,0 mm, företradesvis 0,3 till 0,7 mm.
11. Filtratprovtagningsanordning (100a, 100b) enligt något av föregående krav, vidare innefattande en första ventil (161) för att avlagsna fiberinnehållande filtrat.
12. Filtratprovtagningsanordning (100a, 100b) enligt krav 11, vidare innefattande en andra ventil (162) för att styra filtrat till matningar.
13. Filtratprövtagningsanördning (lOOa, lOOb) enligt krav 12, vidare innefattande ett sekundart filter (163) anordnat före den andra ventilen (162).
14.l4. Anvandning av en filtratprövtagningsanördning (lOOa) enligt något av föregående krav för att samla ett filtratpröv från en massalösning för att faststalla filtratets kemiska egenskaper.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20225065A FI130703B1 (sv) | 2022-01-27 | 2022-01-27 | Filtratprovtagare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE2350066A1 true SE2350066A1 (en) | 2023-07-28 |
| SE546222C2 SE546222C2 (en) | 2024-07-16 |
Family
ID=87317284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE2350066A SE546222C2 (en) | 2022-01-27 | 2023-01-25 | Filtrate sampling device for pulp solutions |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN116499804A (sv) |
| FI (1) | FI130703B1 (sv) |
| SE (1) | SE546222C2 (sv) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0724145A2 (en) * | 1995-01-26 | 1996-07-31 | Koei Industry Co., Ltd. | Process and apparatus for filtrate measurement |
| WO2000005562A1 (en) * | 1998-07-10 | 2000-02-03 | Btg Källe Inventing Ab | A device for collecting filtrate samples from a pulp suspension |
| SE515155C2 (sv) * | 1995-12-14 | 2001-06-18 | Metso Field Systems Oy | Anordning för tagning av ett filtratprov från en massasuspension |
| WO2001079807A1 (en) * | 2000-04-14 | 2001-10-25 | Metso Field Systems Oy | Filtering device |
-
2022
- 2022-01-27 FI FI20225065A patent/FI130703B1/sv active
-
2023
- 2023-01-25 SE SE2350066A patent/SE546222C2/en unknown
- 2023-01-29 CN CN202310101649.1A patent/CN116499804A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0724145A2 (en) * | 1995-01-26 | 1996-07-31 | Koei Industry Co., Ltd. | Process and apparatus for filtrate measurement |
| SE515155C2 (sv) * | 1995-12-14 | 2001-06-18 | Metso Field Systems Oy | Anordning för tagning av ett filtratprov från en massasuspension |
| WO2000005562A1 (en) * | 1998-07-10 | 2000-02-03 | Btg Källe Inventing Ab | A device for collecting filtrate samples from a pulp suspension |
| WO2001079807A1 (en) * | 2000-04-14 | 2001-10-25 | Metso Field Systems Oy | Filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| FI130703B1 (sv) | 2024-01-29 |
| SE546222C2 (en) | 2024-07-16 |
| CN116499804A (zh) | 2023-07-28 |
| FI20225065A1 (sv) | 2023-07-28 |
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