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WO2016120230A1 - Dispositif et procédé de purification d'eau d'extinction de coke contaminée - Google Patents

Dispositif et procédé de purification d'eau d'extinction de coke contaminée Download PDF

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Publication number
WO2016120230A1
WO2016120230A1 PCT/EP2016/051498 EP2016051498W WO2016120230A1 WO 2016120230 A1 WO2016120230 A1 WO 2016120230A1 EP 2016051498 W EP2016051498 W EP 2016051498W WO 2016120230 A1 WO2016120230 A1 WO 2016120230A1
Authority
WO
WIPO (PCT)
Prior art keywords
coke
filter
water
collecting container
cleaning
Prior art date
Application number
PCT/EP2016/051498
Other languages
German (de)
English (en)
Inventor
Bodo Freimuth
Klaus Freimuth
Sabine Stebel
Original Assignee
Thyssenkrupp Industrial Solutions Ag
Thyssenkrupp Ag
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
Application filed by Thyssenkrupp Industrial Solutions Ag, Thyssenkrupp Ag filed Critical Thyssenkrupp Industrial Solutions Ag
Publication of WO2016120230A1 publication Critical patent/WO2016120230A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • 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
    • 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
    • C10B39/00—Cooling or quenching coke
    • C10B39/04—Wet quenching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/152—Water filtration

Definitions

  • the present invention relates to a device for cleaning coke fire water according to the preamble of claim l. Furthermore, the present invention relates to a method for the purification of coke-fire water according to the preamble of claim 9.
  • DE 10 2011 118 937 A1 and DE 10 2004 003 492 A1 already disclose methods and devices for purifying coke fire water, wherein the used, contaminated coke fire water is freed from the coke solid particles by means of a hydrodynamic cleaning device using a hydrocyclone.
  • the invention is thus based on the object, an alternative device or an alternative method for cleaning used, contaminated coke fire water specify.
  • a device or a method is to be specified, whereby an efficient and effective cleaning of used coke fire water is made possible with the simplest possible technical means.
  • This object is achieved by a device having the features of patent claim 1 and a method having the features according to patent claim 9.
  • Cake filtration in the sense of the invention is understood to mean a filtration in which a filter medium (such as a filter screen and / or a filter cloth or the like) of a filtration device is provided with a so-called filter cake and the filter cake applied to the filter medium during filtration itself as a filter medium or part of the (from filter medium of the filter device and cake filter newly formed) filter medium (eg as a hybrid filter medium designated) acts.
  • a filter medium such as a filter screen and / or a filter cloth or the like
  • the filter cake applied to the filter medium during filtration itself as a filter medium or part of the (from filter medium of the filter device and cake filter newly formed) filter medium (eg as a hybrid filter medium designated) acts.
  • Disc filters disk filters
  • drum filters drum filters
  • disk filters are considered as preferred filter devices, whereby a filter device designed as a disk filter (pan filter) is particularly preferably used. Filtering devices of this type are offered for example by the company BOKELA GmbH.
  • a conveying means is arranged between collecting basin and cleaning device in order to convey the contaminated, used coke-drying water from the collecting container into the cleaning device.
  • conveying means is advantageously designed as a pump.
  • the conveying means may also be designed in the form of a screw conveyor, bucket conveyor or the like.
  • the device can also be carried out without a conveying means if sufficient space is provided between the collecting basin and the cleaning device and the coking extinguishing water can be supplied to the cleaning device on the basis of an existing height difference.
  • the collecting container with Absetzverhi concerningsstoffn such as a stirrer or the like, equipped so that settling of the coke solid particles is effectively prevented in the collecting container - finally, the coke solid particles should not be removed by a settling but by cake filtration from the coke extinguishing water.
  • the collecting container is provided with discharge means, such as a screw conveyor or the like, in order to remove the coke solids particles intentionally or unintentionally deposited in the collecting container from the collecting container ,
  • discharge means such as a screw conveyor or the like
  • the filter medium used in the filter device can also be designed or developed as a vacuum filter or pressure filter, which can once again accelerate the cleaning process or increase the degree of drying of the coke solid filtered out as coke solids.
  • the device according to the invention for the purification of contaminated coke dry water is part of a coking plant, wherein the collecting container is formed by a Löschturmtasse a quenching tower of the coking plant.
  • the method according to the invention for purifying coke-fire water is characterized in that, after supplying coke-drying water to a cleaning device during a coke-quenching process (wet-quenching of coke using coke-extinguishing water), the coke-extinguishing water is cleaned by cake filtration.
  • the cleaning of the coke liquor is carried out using a filter medium designed as a disk filter or drum filter or disk filter.
  • the coke-drying water to be filtered by filtration, before it is fed to the device for cleaning is mixed with a filter aid for initiating a so-called flocculation process.
  • the flocculant enlarges (flocculates) smaller suspended particles in the firefighting water and promotes cake filtration.
  • the used coke extinguishing water collected in the collecting container and intended for cleaning is removed by means of anti-settling agents held in motion, so that settling of the coke solid particles is effectively prevented.
  • the used coke liquor can be kept clean by discharging optionally deposited coke solid particles (eg by means of screw conveyor) the collecting container and prevents the possibly existing pump a liquid mixture with an excessive proportion Coke solid particles is supplied.
  • FIG. 1 is a schematic representation of the device according to the invention for the purification of coke-fire water according to a first embodiment
  • Figure 2 shows the cleaning device of the device according to the invention in a preferred
  • Figure 3 shows the device according to the invention for the purification of coke-fire water according to a second embodiment in a schematic representation.
  • FIG. 1 shows the device according to the invention for the purification of contaminated (used) coke fire water in a highly schematic representation.
  • the device comprises a collecting container 2 for receiving contaminated coke extinguishing water, which is supplied to the collecting container 2 from the extinguishing tower of a coking plant (not shown, position A), and a cleaning device 4 for removing the coke solids particles present in the used, contaminated coke extinguishing water.
  • the device comprises a conveying means 6 designed as a pump for conveying the used coke liquor collected in the collecting container 2 into the cleaning device 4.
  • the collecting container 2 is equipped with a trained as agitating Absetzverhi precisesstoff 2.1 and with a constructed as a screw conveyor discharge 2.2, which is to be avoided by the agitator settling of the coke solid particles and being removed via the screw conveyor possibly existing coke solid particles (Koksgruß) from the collecting container 2 can.
  • the coke extinguishing water collected in the collecting container 2 is supplied by means of the pump 6 to the cleaning device 4, in which it is cleaned by means of filter means 4.1 of the coke solids particles.
  • the coke solids particles filtered out via the filter means 4.1 or the filtered coke breeze are transported away via conveying means for further processing (position B), while the cleaned coke fire water is returned to the process via further pumps or the like for further use as fresh coke fire water (position C) ).
  • the filter medium 4.1 is designed as a plate filter.
  • the plate filter is of conventional design and has a filter medium driven by a motor M filter plate 4.11 as a filter medium.
  • the filter plate 4.11 is usually covered with a filter cloth.
  • the disk filter can be assigned different filter segments or partitions, among which the filter disk 4.11 rotates away at a predetermined speed.
  • the filter plate 4.11 is fed using the pump 6 via a pipe system 4.12 in a first filter segment, the contaminated extinguishing water.
  • the plate filter With each coke extinguishing process, the plate filter is supplied with such a large amount of contaminated coke extinguishing water, so that after a short time (from the coke salinity of the extinguishing water of a single extinguishing process) a filter or Koksgrußkuchen predetermined thickness on the filter plate 4.11 sets.
  • a filter or Koksgrußkuchen predetermined thickness on the filter plate 4.11 sets In practice, about 10 coke quenching processes will be carried out within one hour (ie an extinguishing process approximately every six minutes).
  • a discharge bridge may be used, which is placed at a presettable height above the filter plate 4.11 and removes material of the coke cake forming above the preset thickness (e.g., 25-70 mm). In the manner described above, a Koksgrußkuchen desired thickness is built up after a short time, even when first or re-start without built Koksgrußkuchen, so that after a short time the desired cake filtration occurs.
  • the device according to the invention for cleaning coke fire water contaminated by a wet extinguishing process of coke is considered to be in a coking plant integrated component.
  • the collecting container 2 is formed by the extinguishing cup of a quenching tower of a coking plant.
  • the water obtained from the wet-erase process is fed either directly or via a fire truck the extinguishing tower cup and a cleaning water channel or a pipe system 4.12, due to an existing gap between extinguishing tower cup and cleaning device 4, the cleaning device 4 is supplied.
  • the cleaning device 4 for the further description with regard to the cleaning device, reference is made to the description of FIG. 2 at this point.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Coke Industry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

La présente invention concerne un appareil de purification d'eau d'extinction de coke contaminée, qui comprend un récipient collecteur (2) pour recueillir l'eau d'extinction de coke contaminée ainsi qu'un dispositif de nettoyage (4) pour éliminer les particules contenues dans l'eau d'extinction de coke, le dispositif de nettoyage (4) contenant des moyens filtrants (4.1) pour filtrer le gâteau.
PCT/EP2016/051498 2015-01-28 2016-01-26 Dispositif et procédé de purification d'eau d'extinction de coke contaminée WO2016120230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015000930.3 2015-01-28
DE102015000930.3A DE102015000930A1 (de) 2015-01-28 2015-01-28 Vorrichtung und Verfahren zur Reinigung von verunreinigtem Kokslöschwasser

Publications (1)

Publication Number Publication Date
WO2016120230A1 true WO2016120230A1 (fr) 2016-08-04

Family

ID=55273231

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/051498 WO2016120230A1 (fr) 2015-01-28 2016-01-26 Dispositif et procédé de purification d'eau d'extinction de coke contaminée

Country Status (2)

Country Link
DE (1) DE102015000930A1 (fr)
WO (1) WO2016120230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264162A (zh) * 2018-04-08 2018-07-10 朱兆明 一种循环式污水处理设备及其方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109987689A (zh) * 2019-05-13 2019-07-09 山东万和环保节能技术有限公司 熄焦废水处理工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE512335C (de) * 1927-04-12 1930-11-10 Christian Juergensen Dipl Ing Koksloescheinrichtung
US2827424A (en) * 1953-03-09 1958-03-18 Koppers Co Inc Quenching station
DE2850148A1 (de) * 1978-11-18 1980-06-26 Still Carl Gmbh Co Kg Verfahren und vorrichtung zum klaeren von koksloeschwasser
DE3730749A1 (de) * 1987-09-12 1989-03-30 Krupp Koppers Gmbh Verfahren und vorrichtung zum emissionsfreien loeschen von koks
WO2005070835A1 (fr) * 2004-01-23 2005-08-04 Alvalut, S.L. Clarification d'eau d'extinction pour des cokeries
DE102011118937A1 (de) 2011-11-21 2013-05-23 Thyssenkrupp Uhde Gmbh Verfahren und Vorrichtung zur Reinigung von Abwasser aus einem Kokslöschturm mit verkürzter Auffangbeckenverweilzeit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE512335C (de) * 1927-04-12 1930-11-10 Christian Juergensen Dipl Ing Koksloescheinrichtung
US2827424A (en) * 1953-03-09 1958-03-18 Koppers Co Inc Quenching station
DE2850148A1 (de) * 1978-11-18 1980-06-26 Still Carl Gmbh Co Kg Verfahren und vorrichtung zum klaeren von koksloeschwasser
DE3730749A1 (de) * 1987-09-12 1989-03-30 Krupp Koppers Gmbh Verfahren und vorrichtung zum emissionsfreien loeschen von koks
WO2005070835A1 (fr) * 2004-01-23 2005-08-04 Alvalut, S.L. Clarification d'eau d'extinction pour des cokeries
DE102004003492A1 (de) 2004-01-23 2005-08-18 Rag Aktiengesellschaft Löschwasserklärung für Kokereien
DE102011118937A1 (de) 2011-11-21 2013-05-23 Thyssenkrupp Uhde Gmbh Verfahren und Vorrichtung zur Reinigung von Abwasser aus einem Kokslöschturm mit verkürzter Auffangbeckenverweilzeit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264162A (zh) * 2018-04-08 2018-07-10 朱兆明 一种循环式污水处理设备及其方法

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Publication number Publication date
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