EP1275925B1 - Verfahren und Vorrichtung zur lokalen Zerstörung kompakter Materialien in heissen thermischen Anlagen - Google Patents
Verfahren und Vorrichtung zur lokalen Zerstörung kompakter Materialien in heissen thermischen Anlagen Download PDFInfo
- Publication number
- EP1275925B1 EP1275925B1 EP02015038A EP02015038A EP1275925B1 EP 1275925 B1 EP1275925 B1 EP 1275925B1 EP 02015038 A EP02015038 A EP 02015038A EP 02015038 A EP02015038 A EP 02015038A EP 1275925 B1 EP1275925 B1 EP 1275925B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- lance
- head
- blasting material
- blasting
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0007—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by explosions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/006—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag using explosives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
- F28G7/005—Cleaning by vibration or pressure waves by explosions or detonations; by pressure waves generated by combustion processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1694—Breaking away the lining or removing parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
Definitions
- the invention relates to a method and a device for the local destruction of compact materials, such as slag approaches, masonry residues, etc. in hot thermal systems such as heat exchangers, industrial furnaces, firing systems, metallurgical melting vessels, using a disintegrating agent, which at the front end of a lance in a coolant flowing through the cooling tank is arranged and brought by holding and moving the rear end of the lance through an opening of the hot thermal plant in the immediate vicinity of the material to be destroyed and ignited by an igniter at an arbitrary time.
- hot thermal systems such as heat exchangers, industrial furnaces, firing systems, metallurgical melting vessels
- EP 1 067 349 A2 it is proposed in EP 1 067 349 A2 to cool the explosive means arranged at the front end of a rod during the introduction into a hot, in-service heat exchanger with a coolant.
- the disintegrating agent is surrounded by a cooling device.
- the coolant flows in at the front end, flows through the cooling device and flows around the disintegrating means arranged at the rear end of the cooling device and then leaves the cooling device through openings in the cover which is semipermeable at its rear end.
- the stated object is procedurally achieved by the method according to claim 1, in particular the fact that the coolant flows into the cooling head formed as a double tube with cooling head and supply head via the lance in the supply head, through the inner tube or the inner cooling jacket to the front end of the cooling head is guided and flows past the explosives containing explosives container over and then between the inner cooling jacket and the outer tube forming the cooling head housing back to the supply head and is promoted from this from the hot thermal plant out.
- the coolant from the cooling tank and to lead out of the hot thermal system again, the disadvantages described in the introduction with known methods are avoided, namely that the coolant remains in the hot thermal systems.
- the coolant is expediently discharged through an outside of the lance line, the length of this line the local conditions, where the coolant must be promoted adapted.
- the supply of the coolant to the cooling tank takes place through the hollow interior of the lance, which at its front end via a screw or plug connection with the supply head of the cooling tank and at its rear end via a clutch, such as a GK clutch, with a coolant inlet, for example a pressurized water line or a coolant pump is connected.
- a clutch such as a GK clutch
- the explosive is cooled by the passing coolant so that even with a longer residence time of the explosive in the hot thermal plant no spontaneous ignition of the explosive can take place and a time-consuming optimal positioning of the lance with the explosive is possible.
- the bulk pack is not arranged around the explosives container, but only at a localized location next to the explosives container.
- aluminum powder could also be used to increase the detonation rate.
- the disintegrant is housed in a separate container.
- pasty, powdery or granular disintegrating agents can be used, since the disintegrant does not come into direct contact with the coolant and can not be washed away.
- FIG. 1 shows a ready-to-use device for explosive device according to the invention with a cooling container 1 in a sectional view, consisting essentially of the cooling head 10 and supply head 11 for cooling a disintegrating means 5 with coolant 4, the cooling container 1 having a lance 3 for positioning and Supply of the cooling tank 1 is connected at the site.
- Coolant inlet 12 is a coolant outlet 15 which connects the coolant outlet 14 of the cooling tank 1 via the flexible coolant discharge line 16 with the arranged on the lance 3 coolant drain line 31.
- the supply head 11 has a plurality of walls 13, 17, 18. These are from the inside to the outside of the cooling head receiving tube 13, in which the explosives container 25 is inserted, the supply pipe 17 with deferred inner cooling jacket 27 and the supply housing 13 with deferred cooling head housing 23. To stabilize the Wandurgen 13, 17, 18 with each other between thedekopfamrohr 18 and the supply pipe 17 three spacer webs 26 and to offset between the supply pipe 17 and the supply housing 13 three spacer webs 24 are arranged.
- the blasting agent container 25 inserted into the cooling head receiving tube 18 consists of a tube with closed ends 28, 29 filled with an insulating and insulating agent 53, 54, for example sand, with the disintegrating agent 5 and the primer 51.
- the ignition cables 52 of the primer 51 are off led out the explosives container 25 and pushed through the rear wall 19 of the cooling head receiving tube 18. From there they are through the coolant inlet opening 12 and through the cavity of the lance 3 and out of this by a screw plug 33 to an example electric ignition (the ignition device is not shown) out.
- the explosives container 25 is located between the explosive container 25 and the inner cooling jacket 27 which is located in a packaging shell 56 granular bulk material 55.
- a packaging shell 56 granular bulk material 55 In Fig. 2, the location of this bulk package 55, 56 and resulting from this position effective direction 57 of the bulk material in the Detonation of the explosive 5 drawn.
- the serving as a closure body of the cooling tank 1 cooling head housing 23rd consists in the illustrated embodiment of a tubular flexible material, which is tied at its front end with a closure means, for example, a Rödeldrahtzwirbel and pushed with its rear end on the supply housing 13 and there is also fixed with a Rödeldrahtzwirbel 21.
- a closure means for example, a Rödeldrahtzwirbel and pushed with its rear end on the supply housing 13 and there is also fixed with a Rödeldrahtzwirbel 21.
- it can be provided as a cooling head housing 23, a sheet metal container.
- the filling of the blasting agent container 25 is carried out as follows: First, one side of the container is closed. At the closure end 28 then a small amount of insulating and insulating material 54, such as sand, filled. Now the explosive 5 is introduced with the primer 51 in the container 25, pushed by means of a loading stick to the closure end 28 and caulked to the pipe wall. The remaining cavity is filled with the insulating and insulating 53, the ignition cable 52 are led out of the container 25. The thus filled container 25 is now closed at the filling end 29 as well. Subsequently, the closed explosives container 25 is pushed into the receiving ring 18 of the supply head 11 and fixed there by frictional engagement, wherein the ignition cable 52 are led out through a hole in the rear wall 19 of the supply head 11.
- insulating and insulating material 54 such as sand
- the supply head 11, the rear end of the cooling container 1, is made of a stable material, such as cast steel and therefore can be used for several blasts. For this purpose, however, it is necessary that a safety distance of at least 50 mm is maintained between the disintegrating means 5 and the supply head 11, which is to be taken into account in the dimensioning of the length of the disintegrating container 25 and of the charged disintegrant quantity.
- cooling head receiving tube 18 In addition to the cooling head receiving tube 18 are located with a larger diameter at the supply head 11, two more walls, namely the supply pipe 17, to which the inner tube or the inner cooling jacket 27 of the cooling head 10 and the supply housing 13, to which the outer tube or the cooling head housing 23 are pushed ,
- the connection between the components is expediently carried out by a clip closure, by screwing or by means of twisted-wire twists (in the case of a flexible tube).
- the granulated bulk material 55 is first introduced between the inner tube or the inner cooling jacket 27 and the explosives container 25 - adjacent to the disintegrating means 5 - wrapped in a dimensionally stable manner with a packaging material 56, for example a plastic film.
- the completion of the preparation is the postponement of the cooling head housing 23 on the supply housing 13 of the supply head 11 and the attachment of the fully assembled cooling tank 1 on the lance 3.
- the ignition cable 52 (or non-illustrated non-tubular hose connection for transmission the shock waves triggering an ignition) are guided through the cavity of the lance 3 to the rear end of the lance 3 and further by connecting thedestoffabhnestutzens 15 of the supply head 11 with the outside of the lance 3 arranged discharge line 31.
- the blasting device according to the invention is now ready for use. It can now be used at any time, including the lead out of the lance 3 and screw plug 33 ignition cable (ignition channel) 52 are connected to the ignition device and theméstoffzu- and -ab experience.
- the coolant 4 After emerging from the inner cooling jacket 27, the coolant 4 is deflected at the rear end of the cooling head housing 23 and now flows between the inner cooling jacket 27 and the cooling head housing 23 back to the supply head 11, where it leaves through the coolant outlet 14 to the outside of the supply head eleventh arranged coolant outlet pipe 15, the flexible coolant discharge line 16 and the outside of the lance 3 arranged coolant discharge line 31 to be discharged from the hot thermal plant.
- the explosive 5 located in the explosive container 25 is intensively and steadily cooled, so that adequate fire protection of the explosive 5 against premature destruction by flame or radiant heat is provided.
- the coolant flow is expediently stopped in order to avoid the disadvantages described in the prior art.
- the illustrated embodiment represents only one possible device for carrying out the method according to the invention.
- the materials to be destroyed and the local conditions Extensive variations are possible, for example with regard to the dimensioning of the cooling tank and lance, the execution of the various couplings and Zündclud die arrangementen, type and amount of disintegrant and granular bulk material, while maintaining the features of the main claim thereby.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
- Furnace Charging Or Discharging (AREA)
- Processing Of Solid Wastes (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10132517A DE10132517A1 (de) | 2001-07-09 | 2001-07-09 | Verfahren und Vorrichtung zur lokalen Zerstörung kompakter Materialien in heissen thermischen Anlagen |
DE10132517 | 2001-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1275925A1 EP1275925A1 (de) | 2003-01-15 |
EP1275925B1 true EP1275925B1 (de) | 2007-02-21 |
Family
ID=7690653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02015038A Expired - Lifetime EP1275925B1 (de) | 2001-07-09 | 2002-07-05 | Verfahren und Vorrichtung zur lokalen Zerstörung kompakter Materialien in heissen thermischen Anlagen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1275925B1 (da) |
AT (1) | ATE354774T1 (da) |
DE (2) | DE10132517A1 (da) |
DK (1) | DK1275925T3 (da) |
ES (1) | ES2282348T3 (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021240414A1 (en) | 2020-05-28 | 2021-12-02 | Bio Protect Group Srl | Method and apparatus for hot or cold cleaning combustion slag by means of an explosive shock wave |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10336178A1 (de) * | 2003-08-07 | 2005-03-03 | Forster Industrie- Und Kesselreinigungsgesellschaft Mbh | Anordnung zum Aufbrechen heisser Massen in Rauchgaskanälen, Nachbrennrosten und anderen dergleichen thermischen Verwertungsanlagen |
DE10337299B4 (de) * | 2003-08-14 | 2010-09-23 | Gert Griesbach | Einrichtung zum Auflockern von in thermischen Anlagen abgelagerten heissen Massen mittels des Sprengens |
DE20321732U1 (de) | 2003-12-19 | 2009-05-28 | Online Cleaning B.V. | Vorrichtung zur Reinigung von Verschmutzungen in Wärmetauschern, Abhitzekesseln und Brennkammern |
EP2548662A1 (en) | 2011-07-22 | 2013-01-23 | Online Cleaning B.V. | Device for and method of cleaning installations online |
CH705845A2 (de) * | 2011-12-07 | 2013-06-14 | Bang & Clean Gmbh | Mit einem explosionsfähigen Gemisch auftreibbare, flexible Behälterhülle für eine Vorrichtung und ein Verfahren zum Entfernen von Ablagerungen in Behältnissen mittels Sprengtechnologie. |
DE202016008755U1 (de) | 2015-12-30 | 2019-06-17 | Conservator Tyche Beheer B.V. | Gekühlte Reinigungsvorrichtung |
PL3770545T3 (pl) | 2019-07-22 | 2024-09-30 | Conservator Tyche Beheer B.V. | Urządzenie i sposób czyszczenia instalacji |
FI129754B (en) * | 2020-02-16 | 2022-08-15 | Konetuuli Oy | DEVICE FOR ON-TIME SLAG REMOVAL |
EP3885686A1 (en) | 2020-03-26 | 2021-09-29 | Conservator Tyche Beheer B.V. | Method of and charge for cleaning incinerator heat exchangers |
DE102020003958A1 (de) | 2020-07-01 | 2022-01-05 | Volker Kruse | Gekühltes Reinigungssystem mit einer Haltevorrichtung für Explosivstoffe und mit richtungsänderndem Element für das Kühlmedium |
EP4160134A1 (en) | 2021-09-30 | 2023-04-05 | Conservator Tyche Beheer B.V. | Device for and method of cleaning the internals of installations |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840365A (en) * | 1954-06-11 | 1958-06-24 | Springit Nv | Method of breaking formation of solid deposits |
GB823353A (en) * | 1956-09-07 | 1959-11-11 | Du Pont | Improvements in or relating to the purging of electric furnaces |
US4391209A (en) * | 1981-06-16 | 1983-07-05 | Arcair Company | Exothermic cutting electrode |
US6321690B1 (en) * | 1997-01-17 | 2001-11-27 | North American Industrial Services, Inc. | Device, system and method for on-line explosive deslagging |
US5769034A (en) * | 1997-01-17 | 1998-06-23 | Zilka; Frank | Device, system and method for on-line explosive deslagging |
-
2001
- 2001-07-09 DE DE10132517A patent/DE10132517A1/de not_active Withdrawn
-
2002
- 2002-07-05 DE DE50209518T patent/DE50209518D1/de not_active Expired - Fee Related
- 2002-07-05 DK DK02015038T patent/DK1275925T3/da active
- 2002-07-05 AT AT02015038T patent/ATE354774T1/de not_active IP Right Cessation
- 2002-07-05 EP EP02015038A patent/EP1275925B1/de not_active Expired - Lifetime
- 2002-07-05 ES ES02015038T patent/ES2282348T3/es not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021240414A1 (en) | 2020-05-28 | 2021-12-02 | Bio Protect Group Srl | Method and apparatus for hot or cold cleaning combustion slag by means of an explosive shock wave |
Also Published As
Publication number | Publication date |
---|---|
DK1275925T3 (da) | 2007-06-18 |
DE50209518D1 (de) | 2007-04-05 |
DE10132517A1 (de) | 2003-01-30 |
EP1275925A1 (de) | 2003-01-15 |
ATE354774T1 (de) | 2007-03-15 |
ES2282348T3 (es) | 2007-10-16 |
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