WO2010136101A1 - Vorrichtung zum ausgleich von abweichungen aus der koaxialen anordnung von bestandteilen eines regelorgans zur kontrolle des gasdruckes einer koksofenkammer - Google Patents
Vorrichtung zum ausgleich von abweichungen aus der koaxialen anordnung von bestandteilen eines regelorgans zur kontrolle des gasdruckes einer koksofenkammer Download PDFInfo
- Publication number
- WO2010136101A1 WO2010136101A1 PCT/EP2010/002578 EP2010002578W WO2010136101A1 WO 2010136101 A1 WO2010136101 A1 WO 2010136101A1 EP 2010002578 W EP2010002578 W EP 2010002578W WO 2010136101 A1 WO2010136101 A1 WO 2010136101A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oven chamber
- coke oven
- gas pressure
- cup
- controlling
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
- C10B41/08—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for the withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B45/00—Other details
Definitions
- the invention relates to a device for compensating deviations from the coaxial arrangement of components of a control arrangement, wherein the control arrangement consists of control element, crown tube and immersion cup, and which serves to control the gas pressure of a coke oven chamber, wherein the control arrangement is a dip cup with a Wassertauchung contains, which closes the gas space of a coke oven chamber against the gas supply or subsequent system parts, and the height of the water level of the water immersion is a control for controlling the gas pressure, and the control arrangement further includes a dip tube, which at its dipping into the water of the immersion cup end specially shaped crown tube forms and which contains a control element for regulating the water level.
- the invention ensures that there are no deviations in the concentric alignment of the control arrangement and that the sealing plug of the control element always moves centrically and sealingly into the intended sealing seat of the sealing plug of the immersion cup.
- a coking gas is produced, which as a rule passes into the gas space above the coke cake and is led from there to further processing.
- the coking gas accumulates with a certain pressure, which depends on the time course of the coking process.
- the time course of the gas output of a coke oven chamber during the coking cycle has a well predictable course. Since this is not constant, but depends on the instantaneous stage of the coking process, fluctuations in the pressure in the gas space of the coke oven chamber occur in the course of the coking process.
- An exemplary embodiment for this purpose is to direct the coking gas to be discharged from the coke oven chamber through a quantity of water of the type known as water immersion, so that the gas pressure in the coke oven chamber is controlled by the level of water immersion and its pressure. About the water immersion is then the gas space of a so-called gas template, which is a collection tank for the ejected coking gas and is always filled by the overflowing water from the immersion cup with a sump amount of water. Since a separation of the pressure in the coke oven chamber and in the gas reservoir is possible by this construction, an improved suction can be carried out from the gas reservoir, so that overall better processing of the coke oven gas and an emission reduction is possible.
- EP 649455 B1 An exemplary construction and the method operated therewith are taught by EP 649455 B1.
- the gas space of the coke oven chamber is connected to a riser, which opens into a dip tube formed as a Steigrohrkrümmer, which in turn dips into a cup-shaped closure.
- This cup-shaped closure which can also be described as a dipping cup, is filled with water via a coal water pipe.
- the coal water pipe is controlled by a control valve which, depending on the pressure conditions in the coke oven chamber, keeps the water level in the immersion cup at a precisely determinable level.
- the gas pressure in each coke oven chamber can be controlled and the carbonization gas output over the entire coke oven battery or coke oven bank can be controlled over time or kept constant.
- the dip tube is provided at its plunging end with a special shape to prevent an edge parallel to the water level leads to an overshoot of the pressure control and pulsation of the dive.
- the dip tube opens into a dip cup, which has a drain-like outlet. This can be closed with a plug-like control valve, which can be moved over a leading through the dip tube movement rod into the drain. In this way, the drainage can be closed, so that the so-called immersion bucket, which takes over the function of the immersion cup, always has a precisely adjustable water level.
- the coke oven chamber is equipped with pressure measuring devices, over which the height of the moving rod and thus the water level in the dip cup is regulated. As the coke oven gas flow over time is always similar during a coking cycle, it can be recorded by a process computer, so that the changes in the timing of the movement bar in subsequent coking cycles are small.
- This system has the disadvantage that, during operation of the system, the riser pipe and the movement rod contained therein may change in position with the sealing plug of the drain in the sealing seat provided therefor.
- Cause are, for example, stretching operations or setting processes in the coke oven chamber due to temperature fluctuations during operation.
- the closure plug no longer closes tightly, so that the water level in the immersion cup is no longer reliably controlled during operation.
- the moving rod can be bent or the immersion cup can be pushed away laterally. This leads to an uncontrolled change in the water level in the immersion cup and thus to a no longer controllable pressure in the coke oven chamber.
- the invention solves this problem by a device comprising a dip cup, which is fastened with brackets on the ceiling of the gas template, which are deflectable, so that the dip cup is spatially movable while simultaneously on the inner side of the immersion cup or on the outer side of the dip tube space-retaining elements are attached, which prevent a shift of the immersion cup against the dip tube.
- the immersion cup is spatially flexible during expansion or setting operations in relation to the gas reservoir and thus in relation to the coke oven chamber, while at the same time the immersion cup is spatially fixed relative to the immersion tube.
- the movable brackets can be formed, for example, by wire ropes or chain links, while the space-supporting elements are formed by sheets or bolts which are fastened either to the inner sides of the immersion cup or to the outer sides of the dip tube.
- the dipping end of the Immersion tube may be referred to as a crown tube, since it is provided with a shape that prevents pulsations when the gas flows into the immersion cup.
- Claimed is in particular a device for regulating the
- Gas pressure of a coke oven chamber comprising • a riser, which leads out vertically from a coke oven chamber, and which is connected to a manifold which branches off from the riser in the lateral direction and vertically downwards into a dip tube, which leads into a dip cup, wherein at least one Water inlet is contained in the manifold, and • a dipping cup, which has a tapered bottom, and that of
- Run bottom carries at its lower end an outlet for the water, and which is open at the top or contains an outlet for the coking gas in the upper part, and
- a crown tube which forms the inlet into the immersion cup with water level of the vertically downwardly extending dip tube and which is equipped with serrated or gap-shaped recesses in the edges, and
- a control element which regulates the outflow quantity by opening or closing the lower drainage pipe of the opening at the bottom, and which is connected to a movement rod which leads up through the inner space of the crown pipe and through the lid of the dip tube to a moving mechanism, and characterized in that
- the dipping cup is flexibly suspended with at least three deflectable elements, so that it is movable horizontally; and • the crown tube on the outer side or the immersion cup on the inner side in the immersion cup contains guide elements which guide the crown tube serve in the dip cup, which are located between the crown tube and immersion cup and which allow by their size a specific mobility within the immersion cup.
- the device is such that the immersion cup at its upper
- the dipping cup is at least attached three of these devices to ensure a secure hold of the dipping cup in the template. Typically, these are three, but they can be four or five. Any number of these fixtures for attaching the immersion cup in the gas template are possible.
- the construction should also prevent the immersion cup is dragged when operating the control element, because the plug of the control element can stick by Teeranlagerungen from the Koksofengaskondensaten the sealing seat of the dip cup. For this reason, the space-retaining elements are generally deflected only in the horizontal direction. For this reason, hold-down can be provided which restrict the freedom of movement of the immersion cup in the vertical direction. Hold-downs can be exemplary screwed connections in the suspension of the immersion cup on the ceiling of the gas supply, which limit the suspension of the immersion cup in the mobility.
- the dip tube and in particular the crown tube are equipped at the outer edge with guide elements. These may be bolts projecting from the outer side of the riser pipe or crown pipe. These can be adjustable, for example, in size or length of the crown tube. This allows the distance crown tube immersion cup to be kept at a precisely defined distance.
- the guide elements can also on the inner side of
- the inner edge of the immersion cup may be provided with elements that ensure a well-defined distance crown tube immersion cup during the entire coking process. These may be adjustable in size or length of the dip cup.
- the guide elements may be exemplified by sheets. These can be shaped.
- the guide elements may also be exemplified by bolts or pipe sections.
- the control element can also be of any kind. This is preferably a movement rod to which a closure plug is attached at the lower end. In the motion rod then a control element for the water flow is integrated, through which - depending on the control signals of a process computer, for example - the water level in the immersion cup can be controlled.
- control element which is described by way of example in EP 1390440 B1, wherein a dip tube is used, which is connected to the gas space of the coke oven chamber and ends in the dip cup, wherein the dip cup an overflow and a has closable drain up, and the dip tube is formed with an end portion whose free gas outlet cross section is dependent on the liquid level in the dip cup.
- the liquid level is controlled by a drain pipe for water, the one-sided end of which protrudes into the dip tube and the shell-side inlet openings for the inflow of water, and within the drain pipe on both sides open slide is arranged, the inlet openings of the drain pipe in accordance with its position closes in the longitudinal direction and forms a vertically adjustable overflow for the water flowing into the drain pipe, and the inlet end of the drain pipe is surrounded by a siphon pipe which closes the drain pipe top and opening below the dip tube in the dip cup ring channel for the inflow of Water forms.
- the invention has the advantage of ensuring a flexible arrangement of the immersion cup in a gas sample, which is flexible compared to the stretching and setting processes, for example by the action of temperature and yet ensures a constant distance immersion cup - crown tube.
- FIG. 1 shows a device according to the prior art, which is suitable for installation of the device according to the invention and shows the arrangement in the coke oven chamber.
- FIG. 2 shows the device according to the invention with guide elements on the inside of the immersion cup.
- FIG. 3 shows the device according to the invention with guide elements on the inside of the outside of the crown tube.
- FIG. 4 shows the device according to the invention with guide elements on the inside of the Dip cup.
- FIG. Figure 5 shows the device according to the invention with paired guide elements on the inside of the immersion cup and the outside of the crown tube.
- FIG. Figure 1 shows a prior art device useful for the use of the device according to the invention.
- the coking gas is passed into a gas reservoir (2).
- a riser (3) via which the coking gas is carried out of the coke oven chamber.
- the regulation of the gas pressure in the coke oven chamber is regulated by the water level in the immersion cup (4), which is filled with water from an inlet (5).
- the coking gas is introduced into the water via a crown tube (6). Shown are also the dip tube (7), the suspension of the immersion cup (8), which may extend to the ceiling of the gas sample, and the sealing plug of the control element (9).
- FIG. Figure 2 shows a device according to the invention attached to the inside of the immersion cup (4).
- These are sheets, pipe sections or bolts as guide elements (10a), which ensure a constant distance between the immersion cup (4) and the crown tube (6).
- the immersion cup (4) is attached to the upper ceiling of the gas reservoir (2), wherein expandable chain links as deflectable elements (11) ensure that it is movable and can thus follow stretching or setting operations of the coke oven chamber.
- the crown tube (6) has serrated impressions (6a), through which the coking gas flows through the water level (12) into the original. Also visible is the sealing plug (9) of the control element.
- the control device consists of a siphon tube (13a), a vertically adjustable slide (13b) and a drain pipe (13c), wherein via the siphon pipe (13a) an inflow of water into the dip cup (4) takes place or an outflow through the drain pipe (13c ) in the gas template (2), which can be controlled by the position of the vertically adjustable slide (13b) and the associated movement rod (14).
- the movement bar is connected to a movement mechanism.
- FIG. Fig. 3 shows a device according to the invention attached to the outside of the crown tube (6). These are also plates, pipe sections or bolts as guide elements (10b), which ensure a constant distance between the immersion cup (4) and the crown tube (6).
- the immersion cup (4) is attached to the upper ceiling of the gas reservoir (2), wherein expandable chain links as deflectable ele- ments (11) ensure that it is movable and can thus follow stretching or setting operations of the coke oven chamber.
- FIG. 4 shows a device according to the invention, in which metal sheets, pipe sections or bolts are fastened as guide elements (10b, 10c) of a pair of guide elements both on the outside of the crown tube (6) and on the inside of the immersion cup.
- guide elements (10b) which are made for example of sheet metal, as a piece of pipe or as a bolt and ensure a constant distance between the immersion cup (4) and the crown tube (6).
- the immersion cup (4) is attached to the upper ceiling of the gas reservoir (2), wherein expandable chain links as deflectable elements (11) ensure that it is movable and can thus follow stretching or setting operations of the coke oven chamber.
- FIG. Figure 5 shows a device according to the invention attached to the outside of the crown tube (6).
- guide elements (10a) which are made for example of sheet metal, as a piece of pipe or as a bolt and ensure a constant distance between the immersion cup (4) and the crown tube (6).
- the immersion cup (4) is fixed to the upper ceiling of the gas reservoir (2), wherein stretchable wire cable links (15) ensure that it is movable and so can follow stretching or setting of the coke oven chamber.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coke Industry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2011012675A MX2011012675A (es) | 2009-05-29 | 2010-04-27 | Dispositivo para compensar desviaciones de una disposicion coaxial de componentes de un organo regulador para controlar la presion de gas de una camara de horno de coque. |
| US13/261,024 US8926800B2 (en) | 2009-05-29 | 2010-04-27 | Device for compensating deviations from a coaxial arrangement of components of a regulating organ to control the gas pressure of a coke oven chamber |
| CN201080023933.2A CN102449116B (zh) | 2009-05-29 | 2010-04-27 | 用于补偿控制焦炉室气压的调节机构的组成部分的同轴布置的偏差的装置 |
| EP10717552A EP2435532A1 (de) | 2009-05-29 | 2010-04-27 | Vorrichtung zum ausgleich von abweichungen aus der koaxialen anordnung von bestandteilen eines regelorgans zur kontrolle des gasdruckes einer koksofenkammer |
| BRPI1012918A BRPI1012918A2 (pt) | 2009-05-29 | 2010-04-27 | dispositivo para compensação de desvios de um arranjo coaxial de componentes de um órgão de regulação para controlar a pressão do gás de uma câmara do forno de coque |
| CA2761996A CA2761996A1 (en) | 2009-05-29 | 2010-04-27 | Device for compensating deviations from a coaxial arrangement of components of a regulating organ to control the gas pressure of a coke oven chamber |
| JP2012512223A JP2012528207A (ja) | 2009-05-29 | 2010-04-27 | コークス炉室のガス圧を調整するための調整機構の複数の構成部分の同軸配置のずれを補償するための装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009023222.2 | 2009-05-29 | ||
| DE200910023222 DE102009023222B3 (de) | 2009-05-29 | 2009-05-29 | Vorrichtung zum Ausgleich von Abweichungen aus der koaxialen Anordnung von Bestandteilen eines Regelorgans zur Kontrolle des Gasdruckes einer Kokosofenkammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010136101A1 true WO2010136101A1 (de) | 2010-12-02 |
Family
ID=42731848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2010/002578 Ceased WO2010136101A1 (de) | 2009-05-29 | 2010-04-27 | Vorrichtung zum ausgleich von abweichungen aus der koaxialen anordnung von bestandteilen eines regelorgans zur kontrolle des gasdruckes einer koksofenkammer |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8926800B2 (de) |
| EP (1) | EP2435532A1 (de) |
| JP (1) | JP2012528207A (de) |
| KR (1) | KR20120027270A (de) |
| CN (1) | CN102449116B (de) |
| BR (1) | BRPI1012918A2 (de) |
| CA (1) | CA2761996A1 (de) |
| DE (1) | DE102009023222B3 (de) |
| MX (1) | MX2011012675A (de) |
| TW (1) | TWI472603B (de) |
| WO (1) | WO2010136101A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009023222B3 (de) * | 2009-05-29 | 2010-12-16 | Uhde Gmbh | Vorrichtung zum Ausgleich von Abweichungen aus der koaxialen Anordnung von Bestandteilen eines Regelorgans zur Kontrolle des Gasdruckes einer Kokosofenkammer |
| DE102010047025A1 (de) | 2010-09-30 | 2012-04-05 | Uhde Gmbh | Vorrichtung und Verfahren zur Aufstellung eines Regelorgans zur Kontrolle des Gasdruckes einer Koksofenkammer ohne dehnungsbedingte Abweichung der Regelanordnung |
| KR101322904B1 (ko) * | 2012-04-03 | 2013-10-29 | 주식회사 포스코 | 용융로 연소대 모의 실험 장치 |
| EP2743332B1 (de) * | 2012-12-14 | 2017-04-12 | DMT GmbH & Co. KG | Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern |
| KR101410062B1 (ko) | 2013-05-21 | 2014-06-25 | 주식회사 포스코 | 건식소화설비의 더스트 캐쳐에 구비된 수냉관용 금속 포집장치 |
| DE102014107174A1 (de) * | 2014-05-21 | 2015-11-26 | Thyssenkrupp Ag | Stellvorrichtung zur Betätigung eines Elementes innerhalb eines von Koksofengas durchströmten Gasraumes und Verfahren zum Betreiben der Stellvorrichtung |
| CN103980917B (zh) * | 2014-05-28 | 2016-04-20 | 武汉科技大学 | 焦炉碳化室压力调节系统电磁线圈调压用水封装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE526974C (de) * | 1928-09-19 | 1931-06-12 | Still Fa Carl | Absperrvorrichtung fuer Steigerohre von Kammeroefen |
| DE4424874C1 (de) * | 1994-07-14 | 1996-01-11 | Dmt Gmbh | Verfahren und Vorrichtung zur Vorlagenberieselung und Füllgasabsaugung einer Koksofenbatterie |
| US20040084293A1 (en) * | 2001-05-18 | 2004-05-06 | Frank Krebber | Method for operating a coke-oven battery |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1540513A (en) * | 1922-09-28 | 1925-06-02 | John J Cavett | Sealed valve |
| DE525974C (de) | 1929-11-16 | 1931-06-03 | August Friedrichsen | Anhaengerkupplung, insbesondere fuer Kraftfahrzeuge |
| US2082118A (en) * | 1934-11-02 | 1937-06-01 | Wilputte Coke Oven Corp | Valved gas off-take |
| US2211156A (en) * | 1938-07-05 | 1940-08-13 | Fuel Refining Corp | Ascension pipe connection |
| US4168208A (en) * | 1977-06-29 | 1979-09-18 | Dr. C. Otto & Comp. G.M.B.H. | Ascension pipe closure for coke oven batteries |
| DE2730221A1 (de) * | 1977-07-05 | 1979-01-25 | Otto & Co Gmbh Dr C | Einrichtung an verkokungsoefen |
| US4286792A (en) * | 1980-03-10 | 1981-09-01 | United States Steel Corporation | Self-replenishing seal for the gas offtake piping of a coke oven and sealing method |
| DE4321676C2 (de) | 1992-07-14 | 1995-11-16 | Bergwerksverband Gmbh | Verfahren und Vorrichtung zur Regelung des Gasdruckes einer Koksofenkammer |
| DE10124310C1 (de) * | 2001-05-17 | 2002-10-10 | Thyssen Krupp Encoke Gmbh | Vorrichtung zum Regeln des Gasdruckes in einer Koksofenkammer |
| EP2000520A1 (de) * | 2007-06-08 | 2008-12-10 | Paul Wurth S.A. | Abzugsrohrsystem für einen Koksofen |
| EP2014741A1 (de) * | 2007-07-11 | 2009-01-14 | Paul Wurth S.A. | Abzugsrohrsystem für einen Koksofen |
| DE102009023222B3 (de) * | 2009-05-29 | 2010-12-16 | Uhde Gmbh | Vorrichtung zum Ausgleich von Abweichungen aus der koaxialen Anordnung von Bestandteilen eines Regelorgans zur Kontrolle des Gasdruckes einer Kokosofenkammer |
-
2009
- 2009-05-29 DE DE200910023222 patent/DE102009023222B3/de not_active Expired - Fee Related
-
2010
- 2010-04-27 MX MX2011012675A patent/MX2011012675A/es active IP Right Grant
- 2010-04-27 CN CN201080023933.2A patent/CN102449116B/zh not_active Expired - Fee Related
- 2010-04-27 EP EP10717552A patent/EP2435532A1/de not_active Withdrawn
- 2010-04-27 BR BRPI1012918A patent/BRPI1012918A2/pt not_active IP Right Cessation
- 2010-04-27 CA CA2761996A patent/CA2761996A1/en not_active Abandoned
- 2010-04-27 US US13/261,024 patent/US8926800B2/en not_active Expired - Fee Related
- 2010-04-27 JP JP2012512223A patent/JP2012528207A/ja active Pending
- 2010-04-27 KR KR1020117028290A patent/KR20120027270A/ko not_active Ceased
- 2010-04-27 WO PCT/EP2010/002578 patent/WO2010136101A1/de not_active Ceased
- 2010-05-24 TW TW99116499A patent/TWI472603B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE526974C (de) * | 1928-09-19 | 1931-06-12 | Still Fa Carl | Absperrvorrichtung fuer Steigerohre von Kammeroefen |
| DE4424874C1 (de) * | 1994-07-14 | 1996-01-11 | Dmt Gmbh | Verfahren und Vorrichtung zur Vorlagenberieselung und Füllgasabsaugung einer Koksofenbatterie |
| US20040084293A1 (en) * | 2001-05-18 | 2004-05-06 | Frank Krebber | Method for operating a coke-oven battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102449116B (zh) | 2014-04-02 |
| DE102009023222B3 (de) | 2010-12-16 |
| JP2012528207A (ja) | 2012-11-12 |
| US8926800B2 (en) | 2015-01-06 |
| CA2761996A1 (en) | 2010-12-02 |
| MX2011012675A (es) | 2012-04-02 |
| EP2435532A1 (de) | 2012-04-04 |
| US20120118721A1 (en) | 2012-05-17 |
| TWI472603B (zh) | 2015-02-11 |
| CN102449116A (zh) | 2012-05-09 |
| KR20120027270A (ko) | 2012-03-21 |
| BRPI1012918A2 (pt) | 2016-04-05 |
| TW201111490A (en) | 2011-04-01 |
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