EP3271509A1 - Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik - Google Patents
Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrikInfo
- Publication number
- EP3271509A1 EP3271509A1 EP16722084.7A EP16722084A EP3271509A1 EP 3271509 A1 EP3271509 A1 EP 3271509A1 EP 16722084 A EP16722084 A EP 16722084A EP 3271509 A1 EP3271509 A1 EP 3271509A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vessel
- heat
- base material
- vessels
- solids content
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002994 raw material Substances 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 82
- 238000012546 transfer Methods 0.000 claims description 35
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 230000032258 transport Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 description 12
- 230000004048 modification Effects 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 101150041213 FES1 gene Proteins 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
Definitions
- Process and device for increasing a solids content of a base material control device, plant for processing a base material and paper mill
- the invention relates to an apparatus for increasing a solid content in a base material, particularly for raised stabili ⁇ hung the solid content of a black liquor, preferably a EindampfVorraum of black liquor, comprising a plurality of vessels, wherein it is provided for increasing the solids content of the heat energy to act on the base material, wherein a passage of the base material from a first vessel over Wenig ⁇ is provided to a last vessel least another vessel.
- the invention relates to a method for increasing a solids content of a base material, in particular for increasing a solids content of a black liquor in the production of pulp, preferably a method for
- the invention relates to a control device, a system for processing a base material and a Textilfab ⁇ rik.
- a base material is, for example, black liquor.
- Pulp is a starting material in the production of Pa ⁇ pier.
- a black liquor is a large amount of lignin-containing water obtained by the digestion of wood.
- Black liquor also contains dissolved inorganic Sal ⁇ ze such as sodium sulfide and magnesium oxide. Black liquor is advantageously freed (evaporated) for the production of energy by a large part of the water and subsequently the (solid) ten) organic constituents (especially lignin and its derivatives) of the black liquor burned.
- the black liquor with the aid of (water) vapor is evaporated, the black liquor ⁇ successively passes through the vessels in which the solid content ⁇ is successively increased.
- the black liquor originating from the digestion process is also referred to as a thin liquor and has a solids content of 10% to 15%.
- the aim is to increase the solids content of the black liquor after passing through a device to increase the solids content to about 80%.
- Recovery boiler is burned and thereby large amounts of heat energy are provided.
- EP 0 334 398 A2 describes a process for reducing deposits in systems for evaporating sulphide liquors, wherein the temperature is reduced in individual stages of the evaporation.
- This object is achieved by a device according to claim 1 and by a method according to claim 8. Further, the object is achieved by a control device according to claim 10, by a plant according to claim 11 and by a paper mill according to claim 12.
- a base material is understood here as a suspension or solution of a substance in a liquid, for example black liquor.
- organic components of wastewater e.g., sewage sludge
- inorganic constituents can be recovered from the raw material.
- a device Under a heat pump, a device is understood, which transfers from a reservoir or vessel heat energy in another vessel or reservoir, the temperature of the reservoir or vessel in which the thermal energy is übertra ⁇ gene may be higher than the temperature in the vessel or the reservoir from which the thermal energy originates.
- a heat exchanger serves to transfer heat energy from a vessel / reservoir / higher temperature substance to a low temperature substance.
- a vessel is understood as meaning a reaction vessel, a kettle, a short-tube evaporator, a long-tube evaporator, a falling-film evaporator or a pressure vessel.
- the vessel preferably has an inlet and an outlet, the base material passing through the inlet into the Introduced vessel and is removed through the outlet back out of the vessel.
- the individual tubes are connected together by INTR ⁇ gene, wherein the vessels LASS also inputs and having discharge ports for a heat carrier.
- a first vessel is understood here to mean the vessel which is first passed through by the base material. The reason ⁇ material then passes through the other vessels. Finally, the raw material passes through the last vessel.
- the heat transfer medium in particular water vapor, passes through the Ge ⁇ Barrels in the same direction as the base fabric.
- the sauceträ ⁇ ger can also pass through the vessels in a parallel manner, ie each part of the heat carrier is assigned to a vessel. In this case, heat energy is transferred from the heat transfer medium to the base material in each of the vessels.
- the transmitted heat energy heats the base material and evaporates part of the liquid in the base material.
- the ver ⁇ evaporated portion of the raw material can be separated from the raw material and the solids content is thus higher for a pres ⁇ fenen vessel.
- the heat carrier undergoes advantageous firstly the first Ge ⁇ fäß, then fäß the other vessels and finally the last overall.
- the heat transfer medium passes through the vessels in the opposite direction.
- the heat carrier can also be passed through the vessels in parallel.
- a heat carrier is used to supply the heat energy for the base material.
- Under ei ⁇ nem heat carrier is generally understood as a substance having a high temperature which is adapted to supply heat energy to a vessel, in particular shear through a heat exchangers.
- the heat carrier with the highest temperature is used to heat the one vessel, which is neither first nor last run through by the raw material. After one vessel, the other vessels in serial and / or parallel flow direction are applied to the heat carrier.
- the raw material passes through a first Ge ⁇ fäß initially, then at least one other vessel, to a last vessel.
- the solids content of the raw material is increased.
- the hard ⁇ oxygen content is further increased from a low concentration (about 10% to 20%) by evaporation of the excess water or other liquid in each of the vessels so that, after leaving the last vessel of the raw material egg NEN solids content of about 70%.
- the (at least one) heat pump is used to increase the Tempe ⁇ temperature of the base material and / or the heat carrier at least in a vessel, in particular on the temperature of the heat transfer and / or the base material addition.
- the thermal energy for the further increase in the Feststoffge ⁇ halts of the base material in a vessel is taken from either egg ⁇ nem other subsequent vessel or reservoir, which is for example a reservoir of excess thermal energy from a further treatment step of the base ⁇ material.
- the method is characterized in that heat energy is introduced by means of at least one heat pump into at least one vessel and that the at least one heat pump removes the heat energy from a reservoir and / or one of the vessels. Also in the method described here is the Influence of heat energy on the base to increase the solids content by reducing the level of liquid in the base.
- the control means is advantageously used for controlling and / or regulating a method described herein, are seen with sensors for the determination of temperatures in the vessels, the temperature of the heat carrier, a solid content of the base ⁇ substance and / or pressure values from the individual vessels superiors and wherein the control device based on the
- Temperatures, the solids content of the base material, the pressure ⁇ values from the individual vessels, for controlling and / or regulating the at least one heat pump is provided.
- the sensors transmit the determined values via a technical data connection to the control device.
- the control device preferably regulates the supply of heat energy for the heat transfer medium and / or for the base material taking into account the determined values by means of an algorithm which maximizes the solids content after passage of the base material through the vessels.
- the control means may be those integrated into the STEU ⁇ ng the plant, in particular of the paper mill or a part.
- the reservoir is the excess heat energy resulting from the production or processing of the base material.
- the re ⁇ servoir can serve as storage for heat energy. Both energy is advantageous, the invention is ⁇ saves, as also provided an opportunity to increase the solids ⁇ salary in the evaporation of the raw material.
- the combustion of the black liquor residues leads to less sulfur dioxide in the combustion exhaust gases.
- heat energy transported counter to the direction of the ⁇ run of the base cloth through the individual vessels The heat pump transports a portion of the heat energy in ⁇ example, from the last vessel in the penultimate vessel.
- the heat pump can withdraw a portion of the heat energy from the Wär ⁇ melie and / or a part of the heat energy to the base.
- a heat pump and / or a further heat pump can transfer the heat from at least one vessel into at least one further vessel.
- the temperature in at least one of the vessels can be increased and thus the solids content of the basic substance can be further increased with such a device.
- the vessels for the gradual increase in the Feststoffge ⁇ halts the base fabric are provided, wherein in the first vessel, the temperature of the basic material and / or the heat transfer medium is hö ⁇ forth when the temperature in the last vessel.
- the gradual decrease of the temperature in the vessels is due to the transfer of heat energy (by the heat transfer medium) to the base material in the vessels.
- heat energy is removed from the heat carrier.
- the heat transfer medium is transferred from the first vessel into a further vessel, thermal energy also being withdrawn from the heat carrier in the further vessel and the solids content of the base material being further increased with the heat energy removed.
- the heat pump for transporting heat energy from the last vessel is provided in a further vessel.
- a further vessel is provided in particular before the last vessel by vessel ⁇ accumulated here.
- An advantage of this embodiment is the possibility even with a limited number of vessels, for example five, to obtain a very high solids content of a base material.
- the device has at least one sensor and a control device, wherein the control device and / or sensors for controlling and / or regulating the supply of heat energy are provided in at least one vessel.
- the at least ⁇ a heat pump controlled or regulated so that the solid content is increased with a limited supply of heat energy.
- the sensors are used in particular for the determina tion ⁇ of the solids content of the raw material in the vessel to determine the temperature of the basic material and / or the heat carrier in one of the vessels, for determining the pressure of the base material and / or the heat carrier in the vessel.
- the control or regulation of the at least one heat pump with the aid of the control device can be effected by a comparison of the heat energy transferred with a simulation.
- the method for increasing the solids content of the base material is simulated and the results of the simulation form the basis of the control or regulation of the heat pump.
- the heat energy is transferred from a last vessel into the penultimate vessel.
- the vessel Under the penultimate vessel, the vessel is understood, which passes through the base material before entering the last vessel.
- a heat pump is used to transfer heat energy from a reservoir into a vessel, in particular the vessel last passed through the base material.
- Another optional heat pump can heat energy from the last vessel and / or the re ⁇ servoir transmitted in at least one other vessel, in particular the penultimate vessel.
- FIG. 1 is a construction diagram of the apparatus for increasing the solids content of a base material
- a base material 1 in particular a black liquor, is transferred into a first vessel Gl.
- the temperature of the base material 1 is increased by means of a heat transfer medium D.
- a temperature Tl is present in the vessel Gl.
- T2 the temperature of the base material 1 is increased by means of the heat transfer medium D.
- the vessel G2 part of the liquid evaporates from the base material 1 and the solids content of the base material 1 is further increased.
- Subsequent vessels G3, G4, G5 serve the same purpose, namely the further increase of the solids content of the basic 1.
- the heat transfer medium D is introduced, for example, into the first vessel G1, the heat transfer medium D subsequently being removed from the first vessel Gl in the second vessel G2, then in the third vessel G3, then in the fourth vessel G4, etc. is transferred.
- the possible flow directions of the heat transfer medium D through the vessels Gl, G2, G3, G4, G5 are symbolized by the underbro ⁇ rupted (double) arrows. So are other directions of passage of the heat carrier D through the vessels Gl,
- the thermal energy is transferred AQ example, by a Wär ⁇ exchanger (located in the vessels) from the heat carrier D to the base fabric. 1
- a Wär ⁇ exchanger located in the vessels
- Base material is present in each of the vessels G1, G2, G3, G4, G5, but is symbolically shown in this figure and the following figures in the second vessel G2.
- a transfer of heat energy AQ can he follow ⁇ also by direct contact of the heat carrier D with the base first
- the heat exchanger is shown symbolically leidglich in the second vessel G2.
- the heat transfer medium D can first in the fifth Ge ⁇ vessel G5, then in the fourth vessel G4, etc. to the first Be transferred to vessel Gl. In such a case, the temperature rises from the first vessel Gl to the fifth vessel G5 and thus also the stepwise increase of the solids content of the base material.
- the base material 1 subsequently passes through a first vessel Gl, a second vessel G2 up to a fifth vessel G5, and in the individual vessels Gl, G2, G3, G4, G5 there is a vessel (assigned to the respective vessel) ) Temperature Tl, T2, T3, T4, T5, ie in the first vessel Gl a first temperature Tl, in the second vessel G2 a second temperature T2, etc.
- a heat ⁇ pump WP which transfers heat energy AQ from the fourth vessel G4 in the fifth vessel G5 or the fifth vessel G5 in the fourth vessel G4, depending on the passage of the heat carrier D.
- the temperature T4 in the fourth vessel decreases, and the temperature T5 in the fifth vessel G5 is increased, or vice versa, according to the direction of transport of the heat energy AQ.
- the content of the solid in the base material 1 is increased, in one of the vessels G4, G5 evaporates more liquid out of the base material 1, and thus the solids content of the base material 1 in comparison to the current state of technology with the advanced Plant can be increased significantly.
- a control device SE which is connected to sensors S, in particular temperature sensors S, which determines the temperature in the fourth vessel G4 and the temperature T5 in the fifth vessel G5.
- 3 shows the course of the temperature of the base material 1 in the vessels Gl, G2, G3, G4, G5.
- T1 first temperature
- T2 second temperature
- T2 etc.
- the FIG shows the temperature profile of the heat carrier D and / or the Grundstof ⁇ fes 1 without the use of a heat pump WP.
- the temperature Tl, T2, T3, T4, T5 decreases steadily from vessel to vessel.
- a corresponding other pattern of the temperatures Tl, T2, T3, T4, T5 may also result.
- FIG. 4 shows a representation of the temperatures T1, T2, T3, T4, T5 for a device P according to the first modification.
- FIG. 4 shows the influence of the heat pump WP on the temperatures in the fourth vessel G4 and in the fifth vessel G5.
- the heat energy transferred from the fifth vessel AQ G5 in the four ⁇ te vessel G4 causes a lowering of the temperature T5 in the fifth vessel G5 with a simultaneous increase in temperature of the temperature T4 in the fourth vessel G4.
- FIG 5 shows a second modification of the device P.
- This is a further heat pump WP ⁇ for the transfer of energy jacketener ⁇ AQ from the fourth vessel to the third vessel G4 vice versa or G3.
- a heat pump WP is likewise shown between the fourth vessel G4 and the fifth vessel G5 in the second modification.
- By pointing in both directions arrows are both possible directions of transmission of the heat energy AQ indicated. Due to the different directions of transmission, there are several ways of combining a transmission of heat energy AQ. It is possible to transfer heat energy AQ from the fifth vessel G5 and the third vessel G3 into the fourth vessel G4,
- control device SE (not shown) with the aid of (temperature) sensors S control or regulate the use of the heat pump WP and the other heat pump WP ⁇ .
- control device shown in FIG. Due to the additional heat pump, the solids content of the
- Base material 1 can be further increased by means of the device P shown. Both heat pumps WP, WP ⁇ are controlled or regulated by the control device SE. The direction of the transfer of the heat energy AQ can be controlled or regulated by the control device SE.
- the third modification of the device P comprises the heat pump WP and optionally the further heat pump WP ⁇ , which serve to increase the temperature T4, T5 in the fourth vessel G4 and the fifth vessel G5 ,
- the heat pump transfers WP or
- Heat pumps WP, WP ⁇ heat energy AQ from a reservoir R in the respective vessel G4, G5.
- Particularly advantageous in this embodiment of the device P is a simple control of the temperatures T4, T5 by means of the control device SE, which is connected to the sensors S for determining the temperature T4, T5.
- the reservoir R can be a steam boiler or a source of waste heat, for example a paper mill.
- Sensors S can also be assigned in the other vessels for determining the relevant variables (temperature, pressure, solids content, former composition).
- FIG. 7 shows, on the basis of FIG. 4, the effect of the heat pumps (or heat exchangers) WP, WP ⁇ thus used on the temperature profile of the base material 1 in the individual vessels E1 through G5. Analogously to FIG.
- the temperatures T1, T2, T3, T4, T5 in the individual vessels E1, G2, G3, G4, G5 are shown in a diagram.
- the transfer of heat energy AQ in the fourth vessel G4 and the fifth vessel G5 is the on ⁇ increased the temperature T4, shown in the penultimate G4 vessel and last vessel G5 T5.
- the temperature rise of the nickelträ ⁇ gers D and / or the base material 1 is symbolized by the respective hatched part. Is symbolically, supplied from the reservoir R, AQ heat energy, which establishes the temperature rose ⁇ turan, symboli ⁇ Siert by the shaded arrows.
- the invention relates to a method and a device P for increasing a solids content of a base material 1, in particular for increasing the solids content of a black liquor 1 in the production of pulp for papermaking, preferably a EindampfVorraum of black liquor, comprising a plurality of vessels Gl, G2, G3, G4, G5 and at least one heat pump WP, WP ⁇ , heat energy AQ being provided to increase the solids content for acting on the base material 1.
- a passage of the base material 1 takes place from a first vessel Gl to at least one further vessel G2, G3, G4 to a last vessel G5.
- At least one heat pump WP, WP ⁇ advantageously serves to transport heat energy AQ into at least one vessel G1, G2, G3, G4, G5, and the at least one heat pump WP, WP ⁇ removes the heat energy AQ from a reservoir R and / or one of the vessels G1, G2, G3, G4, G5.
- a higher solids content of the base material 1 can be achieved.
Landscapes
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15166997.5A EP3091123A1 (de) | 2015-05-08 | 2015-05-08 | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik |
PCT/EP2016/059249 WO2016180627A1 (de) | 2015-05-08 | 2016-04-26 | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3271509A1 true EP3271509A1 (de) | 2018-01-24 |
EP3271509B1 EP3271509B1 (de) | 2019-09-25 |
Family
ID=53174838
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15166997.5A Withdrawn EP3091123A1 (de) | 2015-05-08 | 2015-05-08 | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik |
EP16722084.7A Active EP3271509B1 (de) | 2015-05-08 | 2016-04-26 | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15166997.5A Withdrawn EP3091123A1 (de) | 2015-05-08 | 2015-05-08 | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP3091123A1 (de) |
CN (1) | CN107532380B (de) |
BR (1) | BR112017023372B1 (de) |
WO (1) | WO2016180627A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL72241C (de) * | 1951-04-26 | |||
US3176756A (en) * | 1960-09-23 | 1965-04-06 | Bailey Meter Co | Control system for multiple-effect evaporators |
US4619732A (en) * | 1983-12-02 | 1986-10-28 | The Institute Of Paper Chemistry | Method for drying pulping liquor to a burnable solid |
DE3809663A1 (de) | 1988-03-23 | 1989-10-12 | Metallgesellschaft Ag | Verfahren zur verminderung von ablagerungen in anlagen zur eindampfung von sulfitablaugen |
FI85515C (fi) * | 1990-07-09 | 1996-04-10 | Ahlstroem Oy | Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet |
WO1994010355A1 (en) | 1992-10-30 | 1994-05-11 | Japan Casting & Forging Corporation | High-strength hot-rolled steel sheet excellent in uniform elongation after cold working and process for producing the same |
SE505603C2 (sv) | 1994-10-20 | 1997-09-22 | Kvaerner Pulping Tech | Metod att slutindunsta svartlut i flera steg där luten förs i serie genom stegen och primärånga tillförs varje steg |
-
2015
- 2015-05-08 EP EP15166997.5A patent/EP3091123A1/de not_active Withdrawn
-
2016
- 2016-04-26 EP EP16722084.7A patent/EP3271509B1/de active Active
- 2016-04-26 CN CN201680024697.3A patent/CN107532380B/zh active Active
- 2016-04-26 WO PCT/EP2016/059249 patent/WO2016180627A1/de active Application Filing
- 2016-04-26 BR BR112017023372-0A patent/BR112017023372B1/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN107532380A (zh) | 2018-01-02 |
EP3091123A1 (de) | 2016-11-09 |
WO2016180627A1 (de) | 2016-11-17 |
BR112017023372A2 (pt) | 2018-07-24 |
BR112017023372B1 (pt) | 2022-04-05 |
CN107532380B (zh) | 2020-01-17 |
EP3271509B1 (de) | 2019-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3174622B1 (de) | Verfahren zur regeneration einer membranwand in einer destillationsvorrichtung | |
EP3140519B1 (de) | Verfahren und anordnung zum betrieb einer dampfturbinenanlage in kombination mit einer thermischen wasseraufbereitung | |
DE69922547T2 (de) | Verfahren und vorrichtung zum aufkonzentrieren von feststoffhaltigem schlamm | |
DE3031454A1 (de) | Seitenstrom-kondensationssystem und verfahren zum betreiben desselben | |
DE2334481C3 (de) | Vorrichtung zur Gewinnung von Reinwasser aus Seewasser | |
EP3448813B1 (de) | Meerwasserentsalzungsvorrichtung zum entsalzen von meerwasser | |
DE1767207A1 (de) | Destillationsanlage | |
DE3245391C2 (de) | Verfahren zur kontinuierlichen Auflösung von in Flüssigkeit feinverteiltem Material | |
DE69520366T2 (de) | Verfahren zur abschliessenden eindampfung von schwarzlauge | |
DE1233506B (de) | Verfahren zum Reinigen einer Primaerfluessigkeit in einem Kompakt-Kernreaktor | |
DE69804032T2 (de) | Anlage zur Verbrennung von emulgiertem Schweröl | |
EP3271509B1 (de) | Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik | |
DE2207035A1 (de) | ||
DE1117804B (de) | Vorrichtung zur kontinuierlichen Desodorisation und destillativen Neutralisation von OElen und Fetten | |
DE1517385A1 (de) | Vorrichtung zum Verdampfen von Seewasser | |
EP3705458B1 (de) | Verfahren zur aufbereitung ammoniakhaltiger flüssigkeiten und anlage zur durchführung des verfahrens | |
DE2324351A1 (de) | Anlage zum behandeln von schlamm, insbesondere abwasserschlamm | |
DE3143587C2 (de) | Verfahren zur verbesserten Verwendung von beim Herstellungsprozeß für Holzschliff erzeugter Wärmeenergie | |
DE977101C (de) | Verfahren zur Aufarbeitung von organische Stoffe enthaltenden Abwaessern und Abfallaugen durch Behandlung mit Sauerstoff enthaltenden Gasen bei erhoehter Temperatur und erhoehtem Druck | |
DE3108130C2 (de) | Vorrichtung zur Dampferzeugung aus der Abwärme und/oder Kühlung industrieller Anlagen | |
DE19524216A1 (de) | Anlage für die Vorwärmung und Entgasung von Wasser | |
DE10114213A1 (de) | Verfahren und Vorrichtung zur Verbrennung von Schwarzlauge | |
DE2934964C2 (de) | Verfahren und Vorrichtung zur Ausnutzung des Wärmeinhaltes von Kondensaten und/oder Brüden bei der Entspannungsverdampfung von Zuckersirupen | |
DE102014112140A1 (de) | Verfahren und eine Vorrichtung zur Aufbereitung von Abwasser aus Produktions- oder Arbeitsverfahren | |
DE2930545C2 (de) | Verfahren zur Eindampfung von Schwarzlaugen aus Einjahrespflanzen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20171018 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20181113 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20190521 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SCHWARZ, HERMANN Inventor name: MIELKE, JUERGEN |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502016006801 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1183939 Country of ref document: AT Kind code of ref document: T Effective date: 20191015 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20190925 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191225 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191225 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191226 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: SIEMENS SCHWEIZ AG, CH |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200127 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200224 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502016006801 Country of ref document: DE |
|
PG2D | Information on lapse in contracting state deleted |
Ref country code: IS |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200126 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20200626 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502016006801 Country of ref document: DE Owner name: SIEMENS ENERGY GLOBAL GMBH & CO. KG, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200426 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200430 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200430 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200430 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20200430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200430 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20200426 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200426 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20200426 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190925 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: PC Ref document number: 1183939 Country of ref document: AT Kind code of ref document: T Owner name: SIEMENS ENERGY GLOBAL GMBH & CO. KG, DE Effective date: 20221018 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20230421 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FI Payment date: 20231228 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240429 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20240417 Year of fee payment: 9 |