EP1425436A1 - Ölbeseitigungsvorrichtung zum reinigen von in form von coils vorliegenden rohren - Google Patents
Ölbeseitigungsvorrichtung zum reinigen von in form von coils vorliegenden rohrenInfo
- Publication number
- EP1425436A1 EP1425436A1 EP02772046A EP02772046A EP1425436A1 EP 1425436 A1 EP1425436 A1 EP 1425436A1 EP 02772046 A EP02772046 A EP 02772046A EP 02772046 A EP02772046 A EP 02772046A EP 1425436 A1 EP1425436 A1 EP 1425436A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- line
- gas supply
- connection
- connection head
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
Definitions
- the invention relates to an oil removal device for cleaning pipes in the form of coils with an oven receiving and heating the tubes with or without an associated cooling zone and a gas guiding device for introducing and discharging purge gas into the tubes or from the tubes, the gas supply means for releasable, tight connection with a gas supply line on the one hand or a gas discharge on the other.
- a generic oil removal device is known from the document EP0659907 B1.
- the coil is heated in an oven space and, for cleaning the inside of a tube, a gas is fed into and out of it via a gas supply device.
- the ends of the pipe to be cleaned are connected via two connecting pieces, which are each attached to a pull and push rod and are moved independently of one another and on opposite sides of the furnace space to the corresponding counterparts.
- This connecting device is connected to the pull and push rod via a universal joint, so that a gas-tight connection can also be achieved in the event that the holding frame of the coil is positioned slightly twisted in the furnace space and the connection ends of the connecting device are not parallel to one another.
- a serious disadvantage of the described device results from the mutually independent, mutually independent gas supply and gas discharge connections.
- the tightness of these connections is determined by the contact pressure of the connection device. At high contact pressure, there is a risk that the support frame will be displaced or deformed within the furnace space by the mechanical forces introduced via the connecting device, so that leaks can occur.
- the object of the present invention is to provide a generic oil removal device which enables simple and gas-tight connection of the coils to the gas supply device.
- the gas discharge line serves as a counter-holder for absorbing the mechanical contact pressure of the gas supply line, so that the gas discharge and gas supply line have the connection head between them clamp so that slipping of the coil or the frame due to the mechanical forces of the gas supply and gas discharge is excluded.
- connection head is rigidly integrated or integrated into the frame, which is used to hold coils lying one above the other.
- This connection head is thus positioned by positioning the frame relative to the furnace space and the frame is fixed in its relative position to the furnace space when the connection to the gas supply and gas discharge is established.
- a frame can be equipped with several coils outside of the furnace chamber and then moved into the furnace chamber for treatment.
- the device according to the invention can also be designed such that the two ends of a coil are connected in a gas-supply and gas-discharge manner separately by guide tubes connected to the frame, so that there is a firm connection between the connection head and a gas distribution system.
- the device according to the invention can also be designed such that the two pipe ends of each coil are each connected to the gas-supplying and gas-discharging guide tube via a flexible connecting piece. This considerably simplifies the connection of a coil to the gas supply line and gas discharge line, since geometric tolerances of the outer shape of the coil can be compensated for by the flexible connecting pieces.
- the device according to the invention can furthermore be designed such that the gas supply line and the gas discharge line are at least with their sections adjacent to the connection head aligned in a straight line until they rest against the gas inlet opening or the gas outlet opening and are movable back.
- the connecting pieces of the gas supply and gas discharge line connecting to the connecting head only have to perform a simple linear movement in order to connect to the connecting head.
- the device according to the invention can furthermore be designed in such a way that the gas supply and gas discharge lines, at least with their section adjacent to the connection head, can be moved along an arched path to rest against the gas inlet opening or the gas outlet opening and back.
- the connecting pieces of the gas supply line and gas discharge line adjoining the connection head then only have to be moved along the curved path in order to establish a gas-tight connection with the connection head.
- the device according to the invention can also be designed such that the movement of the gas supply line and the gas discharge line are pneumatically or hydraulically driven.
- the movement of the gas supply line and the gas discharge line are pneumatically or hydraulically driven.
- the device according to the invention can also be designed such that the gas supply line and the gas discharge line are connected to the connection head adjacent sections are pivotally mounted to adapt to any tolerances when the gas line and connection head meet. As a result, the seal on the connection head in the furnace chamber can be made even more reliable.
- the device according to the invention can also be designed such that the gas supply line and the gas discharge line are designed to be axially flexible at their sections adjacent to the connection head. This ensures that the tolerances that occur when the connection head is positioned in the furnace chamber are compensated for in the axial direction without the frame being displaced by the contact forces acting on it.
- the device according to the invention can be designed in such a way that the guide tube for the exhaust gases has a plurality of channels which are separate from one another and each communicate with the outlet of a tube of a specific coil.
- the guide tube for the gases to be supplied can also have a plurality of channels which are separate from one another and each communicate with an inlet of a tube of a specific coil. This enables measurement and control of the gas flow through a specific coil.
- Fig. 1 Vertical section through a frame for receiving several coils with a connection head integrated in the frame
- Fig. 2 Horizontal section through the frame with an integrated connection head
- Fig. 3 Section through the furnace wall, the gas supply and gas discharge line and the frame with an integrated connection head
- the frame 1 (FIG. 1) has superimposed attachments 2, each of which has a space 3 for receiving the coils.
- a connection head 4 with a gas inlet opening 5 and an opposite gas outlet opening 6 is integrated into the frame 1.
- the ends 7 and 8 of the gas feed 15 and gas discharge 16 adjoining the connection head 4 are shown in dashed lines.
- the gas inlet opening 5 and gas outlet opening 6 are aligned axially and opposite to the openings 5, 6 of the connection head 4.
- connection pieces 7, 8 of the gas supply 15 and gas discharge line 16 and the inlet and outlet openings 5, 6 of the connection head 4 are aligned on an axis, so that the connection pieces 7, 8 can be moved along the axis, to establish a connection with the connection head 4.
- FIG. 2 shows the lower part of the frame 1, in which the connection head 4 is integrated in such a way that the connection piece 11 is provided for the gas supply and a connection piece 12 is provided for the gas discharge.
- These connecting pieces 11 and 12 are firmly connected to the frame 1 and, on the other hand, take up the guide tubes 9, which are also firmly connected to the frame 1.
- the flexible connecting pieces 10, which conduct the gas into a coil 13 indicated by dashed lines, are connected to these guide tubes 9. Furthermore, it can be seen that the openings of the connection pieces 11, 12 and the openings of the connection pieces 7, 8 of the gas supply 15 and gas discharge 16 are aligned along an axis.
- FIG. 3 shows a section through the furnace wall 14, through the gas supply line 15 and gas discharge line 16 with the connection pieces 7 and 8 attached thereto and through the connection head 4 with the associated connection pieces 11 and 12.
- the flow of the gas begins here with the supply line 17 in the gas supply 15.
- the gas is then passed through the connecting pieces 7 and 11 into the guide tubes 9. From there it is fed into and out of the coils and then passed through the guide pipes 9, the connecting pieces 12 into the gas discharge line 16 until it is discharged through the discharge 18.
- connection pieces 7, 8 of the gas supply 15 and gas discharge 16 with the openings of the connection pieces 11, 12 of the connection head 4 along one Common axis are aligned so that the gas supply line 15 and the gas discharge line 16 are to be moved along this axis in order to achieve a gas-tight connection via the connecting pieces 7, 8, 11 and 12.
- the elements 19 indicate the axial flexibility of the gas supply 15 and gas discharge 16 necessary for the compensation of tolerances as well as the pivotable mounting of the connecting pieces 7, 8.
- connection piece (outlet) of the connection head 13 coils
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Cleaning In General (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Joints Allowing Movement (AREA)
- Furnace Details (AREA)
- Heat Treatment Of Articles (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10144509A DE10144509C1 (de) | 2001-09-10 | 2001-09-10 | Ölbeseitigungsvorrichtung zum Reinigen von in Form von Coils vorliegenden Rohren |
DE10144509 | 2001-09-10 | ||
PCT/DE2002/003288 WO2003025250A1 (de) | 2001-09-10 | 2002-09-06 | Ölbeseitigungsvorrichtung zum reinigen von in form von coils vorliegenden rohren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1425436A1 true EP1425436A1 (de) | 2004-06-09 |
EP1425436B1 EP1425436B1 (de) | 2006-05-17 |
Family
ID=7698492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02772046A Expired - Lifetime EP1425436B1 (de) | 2001-09-10 | 2002-09-06 | Ölbeseitigungsvorrichtung zum reinigen von in form von coils vorliegenden rohren |
Country Status (11)
Country | Link |
---|---|
US (1) | US6862818B2 (de) |
EP (1) | EP1425436B1 (de) |
JP (1) | JP2005502477A (de) |
CN (1) | CN1240875C (de) |
AT (1) | ATE326560T1 (de) |
BR (1) | BR0205977A (de) |
CA (1) | CA2427999C (de) |
DE (2) | DE10144509C1 (de) |
MX (1) | MXPA03004681A (de) |
RU (1) | RU2261941C2 (de) |
WO (1) | WO2003025250A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8309231B2 (en) * | 2006-05-31 | 2012-11-13 | Usg Interiors, Llc | Acoustical tile |
US20130112227A1 (en) * | 2011-11-07 | 2013-05-09 | Baker Hughes Incorporated | Elimination of hydraulic fluid contamination through internal bright annealing |
US8857026B2 (en) * | 2012-05-06 | 2014-10-14 | Yongli Yang | Integral remanufacturing process of discarded oil pipe |
CN103447747B (zh) * | 2013-09-06 | 2016-01-20 | 潍柴动力(潍坊)再制造有限公司 | 高压油管的再制造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2615719B2 (ja) * | 1987-12-21 | 1997-06-04 | 大同特殊鋼株式会社 | パイプコイル光輝焼鈍方法およびパイプ内パージング装置 |
ATE181971T1 (de) * | 1993-11-11 | 1999-07-15 | Daido Steel Co Ltd | Vorrichtung zur beseitigung von öl von aufwickelbare röhren |
JPH07173523A (ja) * | 1993-12-16 | 1995-07-11 | Furukawa Electric Co Ltd:The | パイプコイルの熱処理用トレー |
CA2402028C (en) * | 2002-09-09 | 2004-11-02 | Ipsco Inc. | Apparatus for cleaning a coiler furnace drum |
-
2001
- 2001-09-10 DE DE10144509A patent/DE10144509C1/de not_active Expired - Fee Related
-
2002
- 2002-09-06 BR BR0205977-0A patent/BR0205977A/pt not_active IP Right Cessation
- 2002-09-06 AT AT02772046T patent/ATE326560T1/de active
- 2002-09-06 CN CNB028031113A patent/CN1240875C/zh not_active Expired - Fee Related
- 2002-09-06 MX MXPA03004681A patent/MXPA03004681A/es unknown
- 2002-09-06 CA CA002427999A patent/CA2427999C/en not_active Expired - Fee Related
- 2002-09-06 DE DE50206830T patent/DE50206830D1/de not_active Expired - Lifetime
- 2002-09-06 RU RU2003113560/14A patent/RU2261941C2/ru not_active IP Right Cessation
- 2002-09-06 WO PCT/DE2002/003288 patent/WO2003025250A1/de active IP Right Grant
- 2002-09-06 JP JP2003530018A patent/JP2005502477A/ja active Pending
- 2002-09-06 US US10/416,760 patent/US6862818B2/en not_active Expired - Fee Related
- 2002-09-06 EP EP02772046A patent/EP1425436B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03025250A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE50206830D1 (de) | 2006-06-22 |
BR0205977A (pt) | 2004-02-17 |
CN1484713A (zh) | 2004-03-24 |
MXPA03004681A (es) | 2003-09-05 |
JP2005502477A (ja) | 2005-01-27 |
US6862818B2 (en) | 2005-03-08 |
CA2427999A1 (en) | 2003-05-05 |
RU2261941C2 (ru) | 2005-10-10 |
RU2003113560A (ru) | 2005-01-20 |
ATE326560T1 (de) | 2006-06-15 |
WO2003025250A1 (de) | 2003-03-27 |
CA2427999C (en) | 2008-11-18 |
DE10144509C1 (de) | 2003-06-18 |
US20040020071A1 (en) | 2004-02-05 |
EP1425436B1 (de) | 2006-05-17 |
CN1240875C (zh) | 2006-02-08 |
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