EP2743332B1 - Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern - Google Patents

Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern Download PDF

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Publication number
EP2743332B1
EP2743332B1 EP12008356.3A EP12008356A EP2743332B1 EP 2743332 B1 EP2743332 B1 EP 2743332B1 EP 12008356 A EP12008356 A EP 12008356A EP 2743332 B1 EP2743332 B1 EP 2743332B1
Authority
EP
European Patent Office
Prior art keywords
water
immersion
pipe
cup
sleeve
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.)
Active
Application number
EP12008356.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2743332A1 (de
Inventor
Martin Kirchmeier
Michael Bohn
Manfred Danreiter
Franz Liesewitz
Drazen Gajic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DMT GmbH and Co KG
Original Assignee
DMT GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to ES12008356.3T priority Critical patent/ES2626265T3/es
Application filed by DMT GmbH and Co KG filed Critical DMT GmbH and Co KG
Priority to EP12008356.3A priority patent/EP2743332B1/de
Priority to PL12008356T priority patent/PL2743332T3/pl
Priority to US14/651,568 priority patent/US10190052B2/en
Priority to BR112015013298A priority patent/BR112015013298B1/pt
Priority to CN201380065369.4A priority patent/CN104854218B/zh
Priority to RU2015118245A priority patent/RU2618029C2/ru
Priority to PCT/EP2013/003052 priority patent/WO2014090353A1/en
Priority to CA2894782A priority patent/CA2894782C/en
Priority to JP2015546875A priority patent/JP6319727B2/ja
Priority to UAA201506794A priority patent/UA113675C2/uk
Priority to AU2013357893A priority patent/AU2013357893B2/en
Priority to KR1020157017692A priority patent/KR101734836B1/ko
Priority to TW102145199A priority patent/TWI525188B/zh
Publication of EP2743332A1 publication Critical patent/EP2743332A1/de
Priority to ZA2015/03744A priority patent/ZA201503744B/en
Application granted granted Critical
Publication of EP2743332B1 publication Critical patent/EP2743332B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to an apparatus and a method for controlling or controlling the individual gas pressure of individual ovens of a coke oven battery according to the preamble of the main claim.
  • a device of the type mentioned is known from EP 0 649 455 known. The document discloses several embodiments, of which that of Figure 10 is commented.
  • a vertical portion of the riser elbow protrudes from above into the template.
  • a water seal is provided which provides a seal to the dip tube, which is vertically arranged vertically below the riser elbow.
  • trickle water is supplied, which is to cool the gas and is ultimately collected in the master sump.
  • Above the water labyrinth seal there are water nozzles to keep the water level high within the water labyrinth seal and effect the said seal.
  • the water labyrinth seal is open at the top, which can accumulate dirt, which can hinder the flow of water and worsen the rinsing effect of the water labyrinth seal.
  • the dip tube protrudes at the lower end at least partially into the template sump.
  • the gas pressure should be regulated.
  • the immersion of the dip tube in the template is unfavorable, since in the template usually unevenly condensates and solids deposit and therefore it can come to different levels of water. Upon contact with the condensates, the dip tube becomes dirty. By uneven deposits in the template and the lifting movement of the device waves can be created on the water surface, which negatively affect the pressure control.
  • the water level in the template can only be determined theoretically, the actual water level is unknown and would have to be measured additionally.
  • the extension of the riser elbow and the immersion tube underneath cause an undesirable height and an additional load, which is unacceptable in existing coke oven batteries.
  • the adjusting device for the dip tube can be arranged laterally, above or below, in this case, the template wall is penetrated, a separate seal is necessary.
  • the document also discloses differently designed lower end edges of the dip tube, which influence the gas outlet.
  • the citation also shows various embodiments of diving cups, which for example have drainage openings in the area of the bottom. These drain holes are unfavorable, since they tend to clog through the impurities present in the water. To restore the function, these immersion cups must be periodically cleaned, z. B. by rinsing, tilting the cup or tilting and the use of a cleaning mandrel.
  • the generic WO 94/01513 A1 discloses a method for controlling the gas pressure of a coke oven chamber, wherein a vertically movable pipe is arranged on a riser extension, which is sealed via a dive with respect to the riser elbow extension. The edge of this tube dives into a master sump, whereby a chamber pressure control is effected by different dipping of the tube.
  • the invention has for its object to provide a pressure control device and a method to allow easy and reliable control or control of the gas pressure.
  • the sleeve disposed within the riser pipe serves two purposes. On the one hand, it is provided outside the riser elbow with the actuator for height-adjustable arrangement of the dip tube, on the other hand, it serves to feed the water seal or the water labyrinth seal that is present between the dip tube and the riser manifold. This allows a good seal between the riser and the dip tube over the entire height of the vertical position change.
  • Both the water supply to the sleeve, as well as the actuator are arranged outside of the riser pipe and are therefore not subject to the hot gases and the flammable, toxic, aggressive and polluting components contained therein. These include in particular the constituents of hydrogen, carbon monoxide, methane and hydrocarbons, as well as tar, benzene and naphthalene. Contamination is prevented by this arrangement, increases the reliability.
  • the coke oven gas flows down through the riser pipe in the direction of the template. Since the lower edge of the slidable dip tube dips into the water in the dip cup, the coke oven gas must flow through this water to get into the template. Depending on the immersion depth of the immersion tube in the immersion cup, the path length of the gas changes through the water.
  • the possibly existing slots in the dip tube represent a direct connection from the interior of the dip tube to the template, so that the gas can flow without the detour through the water in the template.
  • the free slot area above the water surface is reduced. This also creates a back pressure, which causes an increase in pressure in the furnace and in the manifold.
  • a part of the coke oven gas flows through the free slot cross-sectional area and a part through the water, in the case of a small gas flow only through the water.
  • the adjustment of the dip tube is so large that it can be completely pulled out of the dip cup. This results in addition to the possibly existing slot area, an annular gap between the lower edge of the dip tube and the water surface through which the coke oven gas can flow through.
  • the immersion tube is immersed more or less deep in the immersion cup during normal operation until the back pressure corresponds to the desired furnace pressure. Deep immersion causes an increase in pressure in the furnace, less deep immersion causes a pressure drop.
  • the dip tube is immersed in the immersion cup so far that neither the back pressure from the oven, nor the suction from the template sufficient to break the water trap in the dip cup.
  • a riser lid is opened, so that the coke oven gas still flowing out, ignites and burns.
  • the oven After the oven has been pressed, that is empty, it has to be filled with coal for the next cooking process (attaching the oven). This is usually done by arranged in the furnace ceiling filling holes or by inserting a coal cake through the oven door. Upon contact of the coal with the hot furnace walls, large quantities of a so-called filling gas are produced and dust is still being whirled up.
  • the riser pipe usually has a substantially vertical section in the region of the template. This allows a calm inflow of the gas for presentation.
  • the vertical portion of the riser elbow allows easy passage of the sleeve through the manifold. In the penetration point, a simple water seal can be provided, the overflow again reaches the interior of the riser and finally the template is supplied.
  • a positioning device for the immersion cup is mounted within the sleeve. This positioning is thereby shielded from the hot gases and is not subject to the already mentioned danger of contamination by the gas, or contained suspended matter.
  • the drive for the positioning can also be arranged outside of the riser, which in turn the reliability increases and does not make it necessary in contrast to the prior art to guide the operating device through the template wall.
  • the positioning device is also advantageous to form the positioning device as a tube and to provide at the upper end with a water supply.
  • the water is used to cool the linkage and to feed the water of the immersion cup, which is preferably located below the dip tube.
  • an outlet opening for the water can be provided, from which the water flows on the inside of the sleeve down and is usually collected in the dip cup.
  • the water level within the dip cup remains constant at the level of the overflow edge.
  • the water supply takes place primarily by at least one sprinkler nozzle, which is located for example within the riser elbow.
  • water is added via the water seal of the sleeve. This water also serves to maintain the constant water level within the immersion cup.
  • the immersion cup Due to the constant overflow of water over the edge of the immersion cup, soiling is permanently rinsed out. While in the prior art, the immersion cup has some narrow drainage holes that can clog and clog the water in the invention over the entire edge of the immersion cup over, so that blockages are not to be feared.
  • the gas outlet takes place with horizontal completion of the dip tube evenly over the entire circumference. However, it is possible to slit the dip tube at its lower end, or to provide it with other regular or irregular termination elements to achieve a smooth gas outlet.
  • the immersion cup In order to pivot the immersion cup, it is advantageous to fix them on one side over at least one bearing point and to pivot about this bearing point with the help of the positioning. For this purpose, it is advantageous if the positioning device is pivotally connected at its lower end with the immersion cup. A chain or a rope are possible as a connection.
  • Another embodiment of the invention may consist in that the device for regulating or controlling the individual gas pressure of individual ovens of a coke oven battery is not assigned to the template, but to the riser manifold. It has a sleeve which is connected at the bottom via at least one line to the water seal and above has a water supply for feeding the water labyrinth seal outside the riser elbow.
  • the vertical portion of the riser, or its extension may be adapted to the diameter of the device, for example, be wider than the riser itself.
  • the invention is also realized by a method, which is characterized in that a dip cup located below the dip tube is constantly filled with water, so that the water overflows over an overflow edge and forms a constant water level, with respect to the lower end of the dip tube for controlling and controlling the gas pressure is set.
  • FIG. 1 shows the vertical section through a pressure control device 15 according to the invention with a coke oven 1, which is guided during operation of coke oven gas 2 within a riser pipe 3 vertically upwards.
  • the riser has at the top of an inspection and cleaning flap, below which an obliquely downwardly directed Steigrohrkrümmer 4 connects.
  • Within the manifold at least one sprinkler nozzle 5 is arranged, through which water can be introduced into the manifold for cooling the coke oven gas.
  • the riser pipe 4 opens with its vertical section 6 in the template 7, which has a horizontal end plate 8 above.
  • a water labyrinth seal 9 is arranged, which comprises a coaxial with the riser pipe extending ring 10 which is connected at the top by a horizontal leg 11 with the vertical portion 6.
  • the manifold 4, or the vertical portion 6 forms together with the ring 10 a downwardly open circular space into which a dip tube 12 projects, which surrounds the lower portion of the riser pipe coaxially.
  • the dip tube 12 has a ring 13, which in turn is arranged coaxially to the dip tube and is secured at its lower end via a horizontal leg 14 on the dip tube.
  • the ring 13 forms together with the dip tube 12 an upwardly open circular space which is filled for the operation of the device 15 shown with water to achieve a water immersion, which allows the dip tube to move vertically during operation of the device and at the same time To ensure sealing.
  • a double-walled sleeve 16 is arranged, which is flow-connected at least via a connecting channel 17 with the circular labyrinth space between the dip tube 12 and the ring 13.
  • the double-walled sleeve 16 thus ends at the bottom in the area of the water labyrinth seal 9. Its upper end is located outside and above the vertical section 6 of the riser elbow and is sealed against the riser pipe by means of a water seal 18. Outside the riser, the sleeve 16 is connected to an actuator 19, by means of which the sleeve 16 and the dip tube 12 are displaceable in the vertical direction.
  • the sleeve 16 still has a water supply 20, which serves the interior of the double-walled sleeve but also via the connecting channels 17, the water labyrinth seal 9 with water fill and reach the previously mentioned height-adjustable gas seal the dip tube opposite the riser manifold.
  • a dip cup 21 which can be pivoted on one side via a bearing assembly 22.
  • the bearing assembly 22 is located at the lower end of a suspension 23, e.g. is attached within the template to the end plate 8.
  • the immersion cup 21 is wider than the dip tube 12 and may be formed as an upwardly open truncated cone. It has lateral walls 24, e.g. are arranged at an angle of 70 ° obliquely to the horizontally extending bottom 25.
  • the immersion cup serves to receive water which, for example, passes through the nozzle 5, the water supply 20 and the water supply 29. The immersion cup is therefore always filled to the brim with water during operation. Since water is constantly flowing, the water flows over the edge into the original, as indicated by the arrow 26. The sloping walls prevent turbulence in the gas outlet.
  • any floatable contaminants that may be contained in it are constantly flushed out. In the prior art, these contaminants remained within the cup, whereupon there is a need to periodically tilt and empty the cup.
  • the positioning device 27 is formed as a hollow tube and has at its upper end via a water supply 29, is guided by the water down.
  • the water from the positioning and off in the interior of the sleeve 16 occur.
  • the water then flows down into the dipping cup 21.
  • the positioning device 27 is pivotally provided at its lower end with a connector 31 which is also hinged to the bottom 25 of the dip cup.
  • the connector can also be designed as a rope or chain.
  • the positioning device 27 is opposite the double-walled sleeve 16 by a e.g. sealed at the upper end of the sleeve stuffing seal 32 sealed.
  • the actual sealing is done by the water.
  • the stuffing gasket prevents the water from escaping from the top of the sleeve when a higher water pressure is set. It allows flexible sealing of the movable rod.
  • the device 15 shown serves to regulate or control the gas pressure of the coke oven 1. From such an oven, gases 2 exit at temperatures of approximately 800 ° Celsius. The escaping from the coke gas is cooled within the riser manifold 4 to about 80 ° Celsius. For cooling, the introduced water, but brings components of the gas, especially the tar for condensing. This results in deposits that are to be minimized in the inventive device in its harmful effect. In particular, the functionality of the controls of the device below should not be affected.
  • the coke oven gas 2 is guided via the riser pipe 4 down into the vertical section 6 thereof.
  • the gas is wetted and cooled, it then passes vertically downwards and is introduced into the immersion tube 21 within the dip tube 12.
  • the dip tube ends within the water area of the immersion cup and below the water level.
  • the gas emerging from the dip tube passes through the water of the dip cup and over the edge of the dip tube in the template and is then removed. By a different immersion height of the dip tube the desired pressure control takes place.
  • FIG. 2 shows the projecting into the dip cup 21 lower end of the dip tube 12, which is located below the water level of the immersion cup 21.
  • This figure also shows the introduction of the water via the water supply 20 into the double-walled sleeve 16 and the forwarding of the water from the bottom closed sleeve over the Connecting channel 17 in the water labyrinth seal 9.
  • the dip tube 12 or the ring 13 over the double-walled sleeve 16 introduced water overflows and enters the immersion cup 21, as indicated by the arrow 33. As a result, solids are flushed out of the water labyrinth seal.
  • FIG. 3 shows the introduction of water via the water supply 29 in the interior of the positioning device 27.
  • the water exits through the opening 30 from the tube of the positioning device 27 and enters the interior of the double-walled sleeve 16.
  • the water flows at the lower end of the sleeve 16 in turn the dipping cup 21.
  • FIG. 4 shows the function of the water seal 18. Water enters in the direction of arrow 35 through the water supply 34 into the interior of the housing and closes the sleeve 16 by means of the water sliding against the riser manifold 4, from.
  • the arrangement of the sleeve and the housing outside of the manifold, as this low temperatures and a lower height can be achieved.
  • FIG. 5 shows the emptying of the dipping cup 21.
  • FIG. 6 shows a variant of the invention, in which the pressure control device is not arranged in the template 7, but in the riser pipe 4, which may be extended and expanded for this purpose, for example.
  • the same parts are provided with the same reference numbers.
  • the control device protrudes into the template, it now ends within the riser, or its extension 38 of the vertical portion 6.
  • the extension is wider than the vertical portion 6 and is located between the riser 4 and the template. 7 and rejuvenates z.
  • the extension 38 has at its upper end via a closure plate 39, by means of which it is attached to the vertical portion 6. At her the suspension 23 of the dipping cup 21 is arranged. At the bottom it has a rejuvenation 37, which also creates the connection to the template 7.
  • the extension 38 is designed so wide that it can accommodate the pressure control device.
  • the basic structure of this embodiment corresponds to that of the previous one described. Only the arrangement within the riser manifold makes the difference.
  • the water labyrinth seal can also be supplemented or replaced by a simple water seal or other seal.

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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)
  • Industrial Gases (AREA)
  • Control Of Fluid Pressure (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP12008356.3A 2012-12-14 2012-12-14 Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern Active EP2743332B1 (de)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP12008356.3A EP2743332B1 (de) 2012-12-14 2012-12-14 Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern
PL12008356T PL2743332T3 (pl) 2012-12-14 2012-12-14 Urządzenie i sposób regulowania oraz sterowania indywidualnym ciśnieniem gazu poszczególnych komór pieca koksowego
ES12008356.3T ES2626265T3 (es) 2012-12-14 2012-12-14 Dispositivo y procedimiento para regular y controlar la presión de gas individual de una cámara de horno de coque
KR1020157017692A KR101734836B1 (ko) 2012-12-14 2013-10-10 가스 압력을 조절 및 제어하기 위한 장치 및 방법
CN201380065369.4A CN104854218B (zh) 2012-12-14 2013-10-10 用于调节和控制气体压力的装置和方法
RU2015118245A RU2618029C2 (ru) 2012-12-14 2013-10-10 Устройство и способ регулирования давления газа и управления этим давлением
PCT/EP2013/003052 WO2014090353A1 (en) 2012-12-14 2013-10-10 Device and method for regulating and controlling the gas pressure
CA2894782A CA2894782C (en) 2012-12-14 2013-10-10 Device and method for regulating and controlling the gas pressure
US14/651,568 US10190052B2 (en) 2012-12-14 2013-10-10 Device and method for regulating and controlling the gas pressure
UAA201506794A UA113675C2 (xx) 2012-12-14 2013-10-10 Пристрій і спосіб регулювання та контролю тиску газу
AU2013357893A AU2013357893B2 (en) 2012-12-14 2013-10-10 Device and method for regulating and controlling the gas pressure
BR112015013298A BR112015013298B1 (pt) 2012-12-14 2013-10-10 dispositivo e método de regulagem ou controle da pressão individual de gás de fornos individuais de uma bateria de fornos de coque
JP2015546875A JP6319727B2 (ja) 2012-12-14 2013-10-10 ガス圧力を調整および制御するための装置および方法
TW102145199A TWI525188B (zh) 2012-12-14 2013-12-09 用以調節與控制氣體壓力的裝置及方法
ZA2015/03744A ZA201503744B (en) 2012-12-14 2015-05-26 Device and method for regulating and controlling the gas pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12008356.3A EP2743332B1 (de) 2012-12-14 2012-12-14 Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern

Publications (2)

Publication Number Publication Date
EP2743332A1 EP2743332A1 (de) 2014-06-18
EP2743332B1 true EP2743332B1 (de) 2017-04-12

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EP12008356.3A Active EP2743332B1 (de) 2012-12-14 2012-12-14 Vorrichtung und Verfahren zum Regeln und Steuern des individuellen Gasdrucks einzelner Koksofenkammern

Country Status (15)

Country Link
US (1) US10190052B2 (ko)
EP (1) EP2743332B1 (ko)
JP (1) JP6319727B2 (ko)
KR (1) KR101734836B1 (ko)
CN (1) CN104854218B (ko)
AU (1) AU2013357893B2 (ko)
BR (1) BR112015013298B1 (ko)
CA (1) CA2894782C (ko)
ES (1) ES2626265T3 (ko)
PL (1) PL2743332T3 (ko)
RU (1) RU2618029C2 (ko)
TW (1) TWI525188B (ko)
UA (1) UA113675C2 (ko)
WO (1) WO2014090353A1 (ko)
ZA (1) ZA201503744B (ko)

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CN110218568B (zh) * 2019-03-16 2024-04-12 山东三木环保工程有限公司 一种焦炉炉顶桥管翻板及上升管水封盖自动联锁开闭装置

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Publication number Publication date
CA2894782C (en) 2016-12-13
AU2013357893A1 (en) 2015-05-28
CN104854218A (zh) 2015-08-19
US20150337205A1 (en) 2015-11-26
EP2743332A1 (de) 2014-06-18
JP2015537109A (ja) 2015-12-24
TW201422802A (zh) 2014-06-16
WO2014090353A1 (en) 2014-06-19
KR20150090245A (ko) 2015-08-05
TWI525188B (zh) 2016-03-11
JP6319727B2 (ja) 2018-05-09
UA113675C2 (xx) 2017-02-27
US10190052B2 (en) 2019-01-29
ES2626265T3 (es) 2017-07-24
BR112015013298A2 (pt) 2017-07-11
RU2618029C2 (ru) 2017-05-02
ZA201503744B (en) 2016-03-30
AU2013357893B2 (en) 2016-01-14
BR112015013298B1 (pt) 2019-09-03
PL2743332T3 (pl) 2017-09-29
KR101734836B1 (ko) 2017-05-12
RU2015118245A (ru) 2017-01-23
CN104854218B (zh) 2018-11-13
CA2894782A1 (en) 2014-06-19

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