EP1926799A1 - Cleaning device for cleaning oven doors of a coking chamber of a coke oven - Google Patents
Cleaning device for cleaning oven doors of a coking chamber of a coke ovenInfo
- Publication number
- EP1926799A1 EP1926799A1 EP06706550A EP06706550A EP1926799A1 EP 1926799 A1 EP1926799 A1 EP 1926799A1 EP 06706550 A EP06706550 A EP 06706550A EP 06706550 A EP06706550 A EP 06706550A EP 1926799 A1 EP1926799 A1 EP 1926799A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- door
- nozzles
- cleaning device
- oven
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 178
- 239000000571 coke Substances 0.000 title claims abstract description 17
- 238000004939 coking Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000002679 ablation Methods 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/04—Removing incrustations by mechanical means
-
- 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
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/08—Removing incrustations with liquids
Definitions
- the invention relates to a cleaning device for cleaning a furnace door of a coking chamber of a coke oven according to the preamble of claim 1.
- Another possibility for cleaning the oven door consists in the use of a high-pressure cleaning device, in which in particular water is applied via nozzles to the area to be cleaned.
- Such high-pressure cleaning devices are known both for cleaning the door stopper and the sealing cutting area.
- the disadvantage is that comparatively much water is obtained in an exclusive high-pressure cleaning, which not only leads to a high water consumption, but also increases the risk of accidents, especially in winter by ice formation.
- Another major disadvantage of high-pressure cleaning is that the risk of damage to the sealing cutting area exists due to the high pressures that occur.
- An effective high-pressure cleaning of the sealing edge area requires that the steel emerging from the nozzles is under a correspondingly high pressure. The higher the pressure, the better the cleaning effect.
- a generic cleaning device is known from DE 31 44 222 Al, in which both a mechanical removal device and a high-pressure cleaning device is used.
- the known cleaning device has on opposite sides of a support frame in each case a carriage, on which both bevel cutters and nozzle holders are provided.
- Each nozzle holder has two nozzles for high-pressure water, which cleans the sealing area.
- the known cleaning device has several disadvantages. Since only two relatively small carriages are used, door cleaning takes a comparatively long time. In addition, the problem described above also occurs in the sealing cutting area due to the high-pressure cleaning in this known cleaning device.
- the object of the present invention is therefore to avoid the disadvantages occurring in the prior art.
- the high-pressure cleaning device has rotating nozzles for cleaning the sealing cutting area.
- the invention provides some significant advantages.
- An essential advantage of the present invention is that when using high-pressure rotating nozzles results in an excellent cleaning result in the seal cutting area.
- the rotating nozzles make it possible to work with very high pressures. As the nozzles rotate, it is prevented that a high pressure steel is permanently directed to a specific location.
- the rotating high-pressure nozzles protect the sealing edge of the oven door, because unlike flat or round nozzles, which have a rigid arrangement, no or at least a significantly reduced cutting action at the same pressure is given.
- the risk of damage to the sealing edge by the high-pressure medium is considerably reduced, even if the high-pressure cleaning device remains at one point during the cleaning process for a long time.
- the advantages of low water consumption result in the cleaning device according to the invention, since the area cleaned by the mechanical removal device does not have to be additionally cleaned via the high-pressure cleaning device. Associated with the low water consumption is also a lower environmental impact and a reduced risk of accidents, since ultimately less water is produced and thus the formation of ice in winter is reduced.
- the cleaning medium in rotating high-pressure nozzles, can be supplied with a pressure of more than 50 bar.
- the cleaning medium is supplied at a pressure between 100 bar and 400 bar. With such a pressure when using high-pressure nozzles damages of the sealing edge are not expected, while an excellent cleaning effect is achieved in the seal cutting area.
- the rotating high-pressure nozzles should preferably rotate at a speed of greater than 500 rpm, preferably between 1000 and 4500 rpm, in order to achieve the good cleaning effect in the sealing cutting area on the one hand and the reduced risk of damaging the sealing blade.
- the nozzles used there are designed either as rigid nozzles or as rotating nozzles.
- the use of rigid nozzles in this area it is therefore easily possible, since the risk of damage to the aforementioned door area or the door Plug part at the same pressure of the cleaning medium is considerably lower than the sealing edge.
- the cleaning device according to the invention has a mechanical removal device.
- the removal device can have at least one known from the prior art mechanical removal means, such as a scraper, a scraper, a knife, a scratch and / or a milling cutter. Since the removal agent acts directly on the door stopper for cleaning, the removal means are resiliently mounted in order to avoid damage to the door stopper and / or the removal means.
- a support frame with at least one movable cleaning slide guided on the support frame is provided for the nozzles and / or the removal device. It is preferred that the nozzles and the removal device are provided on a common cleaning slide.
- the cleaning carriage should preferably be designed such that the oven door can be cleaned on both longitudinal sides, so that on both sides nozzles and Abtragsstoff the removal device are provided. It has been found that the cleaning carriage for cleaning at a rate of greater than 20 mm per second, preferably between 25 and 125 mm per second and in particular between 50 and 100 mm per second should be moved.
- the cleaning carriage not only covers a small area of the height of the door, but has a cleaning area with a length which is slightly greater than half the door height of the door ,
- a removal means of the removal device and nozzles of the high-pressure cleaning device should be provided at the cleaning area of the cleaning carriage.
- This embodiment has the advantage that only a very small number of ablation means and nozzles is required to sufficiently clean the longitudinal sides of the oven door.
- the cleaning For example, in the lower position as the starting position, the lower half is cleaned when the cleaning slide is raised by the removal means provided in the lower end region. At the same time, the upper area of the oven door is cleaned by the cleaning agent provided at the upper end of the cleaning area when the cleaning slide is raised.
- the above-mentioned idea of the invention is also of independent importance, that is to say independent of the rotating high-pressure nozzles whose use is particularly preferred.
- the nozzles of the upper and / or lower end region and / or the nozzles of an end region can be controlled separately from one another.
- Such a configuration makes it possible, for example, to activate the nozzles of the lower end region for cleaning when the cleaning slide is first moved, for example. As a result, only the lower half is cleaned in the sealing cutting area.
- the cleaning slide is raised, the door plug area is completely cleaned mechanically via the mechanical removal means.
- the nozzles are then activated in the upper end, so that after the lowering of the cleaning slide and the upper seal cutting area is cleaned.
- the support frame is at least partially housed.
- the enclosure preferably includes lateral, over the height of the support frame extending protective covers.
- the cleaning device according to the invention can be provided both stationary on the coke oven or on a coke oven operating machine. Accordingly, the present invention relates to both a Koksofen- machine and a coke oven each with a cleaning device of the aforementioned type.
- the present invention relates to a method for cleaning an oven door of a coking chamber of a coke oven, as described above in connection with the cleaning area, the length of which is slightly larger than half the height of the oven door, so that in those to be cleaned A low coverage results in areas.
- FIG. 1 is a schematic side view of a cleaning device according to the invention, wherein the cleaning slide is arranged in an upper, first position,
- Fig. 2 is a view corresponding to FIG. 1 of the cleaning device of FIG. 1, wherein the cleaning carriage is arranged in a lower, second position, and
- Fig. 3 is a schematic sectional view of the cleaning device according to the invention, wherein both a part of the mechanical removal device and a part of the Hochdruckpovsein- device is shown.
- a cleaning device 1 for cleaning a furnace door 2 of a coking chamber, not shown, of a coke oven is shown.
- the oven door 2 has a door stopper 3 and at least one outer peripheral sealing cutting edge 4.
- the door plug 3 is usually a stone plug.
- the cleaning device 1 a combined door cleaning is possible.
- the combined door cleaning results from a mechanical removal device 5 for removal cleaning and a nozzle 6 having high pressure cleaning device 7 for high pressure cleaning.
- the mechanical removal device is provided for cleaning a door plug region, namely a side surface 8, while the nozzles 6 are provided at least for cleaning the sealing cutting region 4.
- the high pressure cleaning device 7 in addition to the nozzle 6 high-pressure lines 10 and a pumping device or a pressure generator, which is not shown in detail, has.
- the high pressure cleaning device 7 has rotating nozzles 6 for cleaning the sealing cutting area 10.
- the rotating high-pressure nozzles 6 water is supplied as a cleaning medium with a pressure of about 150 bar, the nozzles 6 rotate at a speed of 3000 to 3500 revolutions per minute.
- the door area 12 between the sealing edge 4 and the door stopper 3 and also the door area 12 adjacent door stopper part 13 is also cleaned by further nozzles 6.
- the door plug 3 on side surfaces which are each provided with two mutually angled individual surfaces. Especially in such a case, it is advisable to clean only the outer side surface 8 via the mechanical removal device 5, while the angled surface 13 is cleaned via the nozzles 6.
- the surface 13 cleaning nozzles 6 may in principle be designed as a rigid, so non-rotating nozzles, since the risk of damage to the door plug by the high-pressure cleaning is low.
- the mechanical Abtrageinrich- device 5 a plurality of knives as Abtragsstoff 14, wherein the blades are each resiliently mounted at the points 15.
- the cleaning device 1 has a support frame 16.
- the support frame 16 has two vertical beams 17, 18 and two horizontal beams 19.
- the support frame 16 forms a closed frame.
- On the vertical beams 17, 18 of the support frame 16 a cleaning slide 20 for the nozzles 6 and the removal device 5 is guided.
- the cleaning carriage 20 is in the present case via a lifting device 21 which is mounted on the lower horizontal support 19, moved up and down.
- the carriage 20 laterally guide rollers 22 which run on the mutually facing side surfaces of the vertical support 17, 18. It is understood that the up and down movement of the cleaning slide 20 can be made by any means.
- the arrangement of guide rollers 22 on the carriage 20 is not required.
- a guide on the vertical supports 17, 18 can also take place via corresponding guide rails or the like.
- the nozzles 6 and the removal device 5 are provided on a common cleaning slide 20.
- the cleaning slide 20 has on both sides of the door stopper 3 in each case a cleaning area 23 with such a length, which is approximately the same Half the door height of the oven door 3 corresponds, preferably slightly larger.
- 1 and 2 also show that cleaning means of both the removal device 5 and the high-pressure cleaning device 7 are provided only at the upper end region 24 and at the lower end region 25 of the cleaning region 23.
- the two removal means 14 are arranged on the inside, while the respective nozzles 6 are arranged on the outside.
- the cleaning carriage 20 is designed such that it has a U-shaped configuration seen in plan view.
- a middle carrier 26 arranged between the two vertical carriers 17, 18 and two lateral side carriers 27 are arranged.
- the two ablation means 14 Immediately following the side support 27 are the two ablation means 14 to absorb the forces occurring when scraping the door stopper 3 better.
- the two side support 27 are connected to one side in each case via a carrier 28 with each other.
- the high pressure nozzles 6 via a corresponding control device both individually and in groups, ie for the upper end portion 24 or for the lower end portion 25 can be controlled. It is therefore possible, if necessary, to control only one group or else only one single nozzle 6.
- Zw transverse cleaning of the upper Schostopfen Kunststoffs 29 and the lower Schostopfen Schemes 30 and the local sealing cutting area 10 is also a high pressure cleaning provided.
- two rotating high-pressure nozzles 6 are provided on the further carriage 31, wherein one of the nozzles 6 cleans the sealing cutting area 10 and the other nozzle cleans the door area 12 as well as parts of the adjacent door-stop area.
- the support frame 16 is at least partially, that is to say enclosed laterally.
- corresponding covers 32 are provided.
- a further middle cover 33 is provided between the two supports 28.
- the cleaning device 1 can be provided both on a coke oven operating machine and stationary on the coke oven.
- the cleaning with the inventive cleaning device 1 can proceed from the upper position of the cleaning slide 20 shown in FIG. 1 such that initially only the upper group of nozzles 6 in the upper end area 24 is activated.
- the lower group of nozzles 6 in the lower end region 25 is initially not acted upon.
- the carriage is then moved down at a speed between 50 and 100 mm per second. In this case, the surface 8 of the door stopper 3 is scraped over the entire length of the cutting means 14 designed as a knife.
- only the upper seal cutting portion is cleaned by the upper nozzle group 6. Subsequently, the position shown in Fig. 2 is reached. Then the upper nozzle group is deactivated, while the lower nozzle group is activated.
- the cleaning slide 20 moves from the position shown in Fig. 2 back into the position shown in Fig. 1, in which case the lower sealing cutting area is then subjected to a high-pressure cleaning.
- the surface 8 is mechanically cleaned very well, while a simple shutdown of the sealing cutting edge area and cleaning via the high-pressure cleaning device 7 is sufficient.
- transverse cleaning is carried out via the further carriages 31 in the upper and lower doorstop area.
- the longitudinal side of the oven door 3 to start only once, taking place over the entire length of a Abtragsault and high-pressure cleaning. In this case, then both nozzle groups are activated simultaneously.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Coke Industry (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005044940 | 2005-09-20 | ||
DE102005051504A DE102005051504A1 (en) | 2005-09-20 | 2005-10-26 | Cleaning device for cleaning oven doors of a coking chamber of a coke oven |
PCT/EP2006/000872 WO2007033703A1 (en) | 2005-09-20 | 2006-02-01 | Cleaning device for cleaning oven doors of a coking chamber of a coke oven |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1926799A1 true EP1926799A1 (en) | 2008-06-04 |
EP1926799B1 EP1926799B1 (en) | 2010-05-05 |
Family
ID=37832713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06706550A Active EP1926799B1 (en) | 2005-09-20 | 2006-02-01 | Cleaning device for cleaning oven doors of a coking chamber of a coke oven |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1926799B1 (en) |
JP (1) | JP2008526481A (en) |
KR (1) | KR101339538B1 (en) |
AT (1) | ATE466918T1 (en) |
AU (1) | AU2006294149A1 (en) |
BR (1) | BRPI0600756B1 (en) |
DE (3) | DE102005051504A1 (en) |
EA (1) | EA014119B1 (en) |
WO (1) | WO2007033703A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007031685B3 (en) * | 2007-07-06 | 2008-10-30 | Schalker Eisenhütte Maschinenfabrik Gmbh | Scraper blade, to clean the stone stopper of a coking oven chamber door, has a guide blade at the spring mounting to compress it on approaching the stopper to apply the scraper with minimum force |
DE102012103539A1 (en) * | 2012-04-23 | 2013-10-24 | Koch Industrieanlagen Gmbh | Device for cleaning the doors of coking plants |
DE102013102623A1 (en) * | 2013-03-14 | 2014-09-18 | Thyssenkrupp Industrial Solutions Gmbh | Method and device for cleaning a coke oven door |
RU2617154C1 (en) * | 2015-10-21 | 2017-04-21 | Общество с ограниченной ответственностью "ТеплоЭнергия" | Surface cleaning method of refractory structures at increased temperatures |
KR101778390B1 (en) | 2015-12-08 | 2017-09-14 | 주식회사 포스코 | Apparatus for coating/cleaning inner space of coke oven door |
JP7233920B2 (en) * | 2018-12-28 | 2023-03-07 | 住友重機械プロセス機器株式会社 | Furnace lid cleaning device, furnace lid cleaning method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1550626A (en) * | 1975-11-10 | 1979-08-15 | British Steel Corp | Cleaning coke oven doors |
DE2636283C2 (en) * | 1976-08-12 | 1984-12-20 | Dr. C. Otto & Co Gmbh, 4630 Bochum | Device for cleaning the doors of coking ovens |
DE3014124A1 (en) * | 1980-04-12 | 1981-10-15 | Koritsu Machine Industries Ltd., Tokyo | Coke oven door cleaner - where jet nozzles are arranged on scraper device for cleaning knife |
DE3144222C2 (en) * | 1981-11-06 | 1983-12-08 | Hartung, Kuhn & Co Maschinenfabrik GmbH, 4000 Düsseldorf | Device for treating doors and door frames of horizontal chamber coking ovens |
JPH07150143A (en) * | 1993-11-30 | 1995-06-13 | Kooritsu Eng Kk | Method and apparatus for cleaning coke oven door |
DE19820238A1 (en) * | 1998-05-06 | 1999-11-11 | Anton Jaeger | Rotor jet for a high pressure cleaner |
JP2000319660A (en) * | 1999-05-14 | 2000-11-21 | Sumitomo Metal Ind Ltd | Oven cover cleaning nozzle apparatus and cleaning equipment having same |
JP2001115164A (en) * | 1999-10-22 | 2001-04-24 | Kobukuro Iron Works Co Ltd | Nozzle jet range variable apparatus and oven lid cleaning apparatus equipped with the same |
-
2005
- 2005-10-26 DE DE102005051504A patent/DE102005051504A1/en not_active Ceased
-
2006
- 2006-02-01 DE DE502006006903T patent/DE502006006903D1/en active Active
- 2006-02-01 KR KR1020087006723A patent/KR101339538B1/en active IP Right Grant
- 2006-02-01 EA EA200800846A patent/EA014119B1/en not_active IP Right Cessation
- 2006-02-01 AU AU2006294149A patent/AU2006294149A1/en not_active Abandoned
- 2006-02-01 JP JP2007549879A patent/JP2008526481A/en active Pending
- 2006-02-01 BR BRPI0600756-2A patent/BRPI0600756B1/en active IP Right Grant
- 2006-02-01 EP EP06706550A patent/EP1926799B1/en active Active
- 2006-02-01 WO PCT/EP2006/000872 patent/WO2007033703A1/en active Application Filing
- 2006-02-01 AT AT06706550T patent/ATE466918T1/en active
- 2006-02-01 DE DE202006020572U patent/DE202006020572U1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2007033703A1 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0600756B1 (en) | 2015-07-21 |
DE102005051504A1 (en) | 2007-03-29 |
BRPI0600756A (en) | 2007-12-18 |
WO2007033703A1 (en) | 2007-03-29 |
KR101339538B1 (en) | 2013-12-10 |
EA014119B1 (en) | 2010-10-29 |
KR20080046200A (en) | 2008-05-26 |
DE202006020572U1 (en) | 2009-01-29 |
DE502006006903D1 (en) | 2010-06-17 |
JP2008526481A (en) | 2008-07-24 |
AU2006294149A1 (en) | 2007-03-29 |
ATE466918T1 (en) | 2010-05-15 |
EA200800846A1 (en) | 2008-10-30 |
EP1926799B1 (en) | 2010-05-05 |
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