WO2006045485A1 - Förderrohr für den feststofftransport und verfahren zur herstellung eines förderrohrs - Google Patents
Förderrohr für den feststofftransport und verfahren zur herstellung eines förderrohrs Download PDFInfo
- Publication number
- WO2006045485A1 WO2006045485A1 PCT/EP2005/011184 EP2005011184W WO2006045485A1 WO 2006045485 A1 WO2006045485 A1 WO 2006045485A1 EP 2005011184 W EP2005011184 W EP 2005011184W WO 2006045485 A1 WO2006045485 A1 WO 2006045485A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tubular body
- collar
- delivery pipe
- pipe according
- coupling
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
- F16L13/103—Adhesive joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/005—Protection of pipes or objects of similar shape against external or internal damage or wear specially adapted for the ends of pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
Definitions
- the invention relates to a conveyor tube for the transport of solids with a tubular body having a bonding technically fixed coupling collar at each end, and a method for producing a adhesive bonding of a coupling collar at one end of the tubular body of a conveyor tube.
- DE 196 07 871 C2 includes a conveyor pipe to the prior art, in which the coupling collars are glued to the outer surface of the pipe end over the entire surface.
- This idea is fundamentally innovative because a disadvantageous influence of heat in the joint area is avoided.
- problems have repeatedly arisen because leaks have been detected in such delivery pipes.
- the reason for this are tolerance differences between the tubular bodies and the coupling collars and the lack of quality of the adhesive bond.
- the defective delivery pipes must be replaced with the result of business interruptions and a general reduction in service life.
- the invention is, starting from the prior art, the object of the invention to provide an application technology and in terms of service life improved delivery pipe and to show an improved method for producing a delivery pipe.
- a solution of the first sub-task consists according to the invention in a delivery pipe having the features of claim 1.
- Core of the invention are the features that the coupling collar facing away from the end face, directed towards the tubular body end of the collar has a free space on its inner circumferential surface and in the space a sealing body is arranged.
- the space initially facilitates the Aufschiebvorgang the coupling collar when glued to the end of the tubular body. It is particularly advantageous that slides through the space of the adhesive in the joint gap between the coupling collar and the outer surface at the end of the tubular body or is pulled into it. A sharp edge, which could shear the adhesive, is avoided.
- the sealing body acts as a barrier for the adhesive.
- the adhesive is held in the joint gap and escape during the manufacturing process is much more difficult.
- the sealing body is preferably made of an elastomer or cellulose and is round or rectangular in cross-section.
- an advantageous embodiment provides that the free space is configured as a paragraph.
- the sealing body is added without being crushed.
- a seal which seals the joint gap between the tubular body and the coupling collar.
- the seal prevents infiltration of the bonded coupling collar by the under pressure during operation of the delivery fluid.
- leaks are avoided on the clutch collars.
- the bond between the coupling collar and the outer surface the pipe end is partial or full surface and tensile.
- an aerobic curing multi-component adhesive is used. Due to the adhesive bonding of the coupling collar without the influence of heat, adverse microstructural changes, cracks in the hardness or embrittlement in the material of the delivery pipe are avoided. The stress distribution in the area of the joint connection is uniform. Overall, business interruptions are reduced and increases the service life of the production tubing or a composite of the inventive tubing pipe string.
- a sealing ring or a gasket layer made of a suitable sealing material can be used, for example made of an elastomer.
- the adhesive itself can also perform a sealing function if, in addition to the adhesive properties for securing a high-strength adhesive connection, it also has sealing properties.
- a radially inwardly directed, circumferential collar is provided at the front end of a coupling collar. Through this collar, the seal is chambered on the front side of the Rohr ⁇ body. If necessary, this can be done with the interposition of a wear ring.
- the use of wear rings at the ends of the tubular body proves to be generally advantageous in the context of the invention.
- the wear rings consist of a wear-resistant and impact-resistant material, for example of a ceramic material, chromium carbide casting, martensitic nickel hard casting (Nihard) or ähn ⁇ union wear materials.
- a wear ring is provided at least at the inlet end of a conveyor tube.
- the wear ring is located in the area of the coupling collar.
- a seal can be incorporated between the wear ring and the end of the tubular body as well as between the collar and the wear ring.
- the conveying pipe according to the invention can be single-layered, but also double-layered. In the two-ply version of the conveyor tube, this consists of a - A -
- the inner tube made of hardened steel should oppose the transportable solid as long as possible wear resistance.
- the outer tube is gegen ⁇ over the inner tube softer and impact resistant. This is particularly advantageous in terms of transport and assembly and disassembly operations, since the winning ⁇ pipes are usually subjected to harsh handling.
- the outer tube comes as shock and impact protection to a sheath function. For this purpose it is sufficient to make the outer tube thin-walled. Nevertheless, a reliable connection with the glued coupling collar is possible. Consequently, the invention makes it possible to use an inner tube that is significantly thicker with respect to the outer tube, which likewise has a positive effect on increasing the service life of the delivery tube.
- a sealing body is positioned on an outer peripheral surface of the tubular body. Then, the outer peripheral surface between the sealing body and an end face is coated with an adhesive. Thereafter, the coupling collar or the tubular body is set in rotation about the tube longitudinal axis and pushed the coupling collar on the end of the tubular body or vice versa. Finally, the sealing body is pushed into the free space.
- the sealing body When positioning the sealing body, make sure that the distance between the sealing body and the end face is not too large, so that the sealing body can fulfill its function as a barrier for the adhesive when pushed on. Ideally, the coupling collar abuts when pushed onto the sealing body and pushes him a short distance in front of him.
- Figure 1 shows a first embodiment of an inventive
- Figure 1 A in an enlarged view, the detail A of Figure 1;
- Figure 2 shows a second embodiment of a erfindun gssuren
- Delivery pipe also in a longitudinal section
- FIGS 3 to 8 eight further embodiments of conveying pipes, in each case in the sectional view of an end-side Aussch nitts and
- Figures 9 to 13 are five sectional views illustrating the steps of the method for producing production pipes.
- Figures 1, 3, 5 and 7 show single-layer embodiments of a conveying pipe 1, 2, 3, 4, whereas Figures 2, 4, 6 and 8 show two-ply embodiments of conveying pipes 5, 6, 7, 8.
- the conveying pipes 1, 2, 3, 4 have a single-layer tubular body 9 made of a highly wear-resistant, hardened steel material.
- the conveying pipes 5, 6, 7, 8, however, are double-layered with a tubular body 10, which consists of a highly wear-resistant hardened inner tube 11 and a pressure-resistant outer tube 12.
- a coupling collar 15 is fixed by a full-surface bonding.
- the coupling collar 15 has seen in the direction of the tube longitudinal axis LA a front side 1.
- the coupling collar 15 is fixed to the tubular body by bonding with an adhesive KS.
- the coupling collar 15 has a free space 21 on its inner peripheral surface IB, in which a sealing body 22 in the form of a sealing ring is arranged.
- the clearance 21 is configured as paragraph 23.
- a radially inwardly directed circumferential collar 24 is provided, wherein the inner diameter DKI of the collar 24 corresponds to the inner diameter DRI of the tubular body 9 and 10 respectively.
- the inner diameter DKI is smaller than the outer diameter DRA of the tubular body 9, 10.
- the collar 24 forms a stop when pushing a coupling collar 15 on the end 13 or 14 of a tubular body 9, 10th
- a wear ring 25 in front of di e end face 26 of the tubular body 9, 10 is set in the region of the coupling collar.
- the wear ring 25 is glued to the coupling collar 15.
- the front side of the wear ring 25 is held by the collar 2-4, which bears against it.
- the embodiments of delivery pipes 2, ⁇ shown in FIGS. 3 and 4 are additionally fitted with a respective seal 27 between the pipe body 9, 10 and the wear ring 25.
- the seal 27 seals the tubular body 9, 10 with respect to the coupling collar 15, so that an escape of fluid through the joint gap 28 is prevented.
- the conveyor pipes 3 and 7 are equipped with a glued Ver ⁇ wear ring 25 which is incorporated between the collar 24 and the end 13, 14 of the tubular body 9, 10.
- a seal 27 and between the collar 24 and the wear ring 25, a seal 29 is arranged between the end face 26 of the Rohr ⁇ body 9, 10 and the wear ring 25, a seal 27 and between the collar 24 and the wear ring 25, a seal 29 is arranged.
- a seal 30 is disposed frontally before the ends 13, 14 of the tubular body 9, against which the collar 24 of the coupling collar 15 abuts, so that the seal 30 against the end face 26 of the end 13 or 14 is pressed.
- the inventive method for producing a conveyor tube is shown in more detail in Figures 9 to 13.
- the aim is to produce a bonding-technical fixing of a coupling collar 31 at one end 32 of a double-layered tubular body 33 of a delivery pipe 34th
- the tubular body 33 in a first device 35 and the coupling collar 31 in the second device 36 are clamped (see Fig. 9). Then, a sealing body 37 in the form of a sealing ring on the outer peripheral surface 38 of the tubular body 33 is positioned. The distance A between the sealing body 37 and an end face 39 of the tubular body 33 is just so great that the coupling collar 31 later abuts when pushed onto the sealing body 37.
- the outer peripheral surface 38 of the tubular body 33 between the sealing body 37 and the end face 39 is coated with an adhesive 40.
- the adhesive 40 is distributed evenly here.
- the third step is offset by the second device 36 of the coupling collar 31 in rotation about the tube longitudinal axis RLA.
- the tubular body 33 is displaced by the first device 35 in the direction of the coupling collar 31.
- the end 32 of the tubular body 33 is inserted into the coupling collar 31, while the coupling collar 31 continues to rotate.
- tubular body 9 tubular body 10- tubular body 11 - inner tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints With Sleeves (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Making Paper Articles (AREA)
- Chutes (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/577,848 US20090121475A1 (en) | 2004-10-28 | 2005-10-18 | Delivery pipe for the transport of solid material, and method of making a delivery pipe |
JP2007538302A JP2008518171A (ja) | 2004-10-28 | 2005-10-18 | 固形物のための搬送管及び搬送管を製造する方法 |
EP05799795A EP1805449A1 (de) | 2004-10-28 | 2005-10-18 | Förderrohr für den feststofftransport und verfahren zur herstellung eines förderrohrs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04025601.8 | 2004-10-28 | ||
EP04025601A EP1653139B1 (de) | 2004-10-28 | 2004-10-28 | Förderrohr für den Feststofftransport |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006045485A1 true WO2006045485A1 (de) | 2006-05-04 |
WO2006045485B1 WO2006045485B1 (de) | 2006-08-10 |
Family
ID=34927145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011184 WO2006045485A1 (de) | 2004-10-28 | 2005-10-18 | Förderrohr für den feststofftransport und verfahren zur herstellung eines förderrohrs |
Country Status (9)
Country | Link |
---|---|
US (1) | US20090121475A1 (de) |
EP (2) | EP1653139B1 (de) |
JP (1) | JP2008518171A (de) |
KR (1) | KR20070044836A (de) |
CN (1) | CN101048615A (de) |
AT (1) | ATE366386T1 (de) |
DE (1) | DE502004004251D1 (de) |
ES (1) | ES2288658T3 (de) |
WO (1) | WO2006045485A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009010427A1 (de) * | 2009-02-26 | 2010-09-02 | Esser-Werke Gmbh & Co. Kg | Feststofftransportrohr |
DE102010046542A1 (de) * | 2010-09-27 | 2012-03-29 | Putzmeister Engineering Gmbh | Förderrohr sowie Verfahren zur Herstellung eines Förderrohrs |
WO2017205234A1 (en) * | 2016-05-24 | 2017-11-30 | Construction Forms, Inc. | Mechanical interface and method for fastening collars onto pipe ends |
US9926119B1 (en) * | 2017-01-04 | 2018-03-27 | Heath Honeycutt | Protective end cap |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5044670A (en) * | 1988-11-24 | 1991-09-03 | Esser-Brieden Gmbh & Co. Kg | Pipe for conveying solid matter |
DE4421696C1 (de) * | 1994-06-21 | 1995-07-20 | Esser Werke Gmbh & Co Kg | Einlagiges Transportrohr |
DE19607871A1 (de) * | 1995-03-10 | 1996-09-12 | Esser Werke Gmbh & Co Kg | Befestigung eines Kupplungsbunds endseitig eines gehärteten Transportrohrs |
DE10021184A1 (de) * | 1999-11-22 | 2001-05-31 | Esser Werke Gmbh & Co Kg | Feststofftransportrohr |
US20040145180A1 (en) * | 2003-01-15 | 2004-07-29 | Mayer Martin G. | Reinforced composite boom pipe with bonded sleeves |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2109232A5 (de) * | 1970-10-06 | 1972-05-26 | Pont A Mousson | |
US3731954A (en) * | 1971-09-23 | 1973-05-08 | R Haglund | Fluid coupling |
JPS6244561Y2 (de) * | 1979-01-09 | 1987-11-26 | ||
JPS6199781U (de) * | 1984-12-04 | 1986-06-26 | ||
DE4010556A1 (de) * | 1990-04-02 | 1991-10-10 | Esser Brieden Gmbh & Co Kg | Doppellagiger rohrbogen |
JPH0579172U (ja) * | 1992-03-31 | 1993-10-26 | 日本鋼管継手株式会社 | フランジ管用継手 |
DE19809529C2 (de) * | 1998-03-05 | 2002-12-12 | Esser Werke Gmbh & Co Kg | Transportrohr |
-
2004
- 2004-10-28 ES ES04025601T patent/ES2288658T3/es active Active
- 2004-10-28 EP EP04025601A patent/EP1653139B1/de not_active Not-in-force
- 2004-10-28 DE DE502004004251T patent/DE502004004251D1/de not_active Expired - Fee Related
- 2004-10-28 AT AT04025601T patent/ATE366386T1/de not_active IP Right Cessation
-
2005
- 2005-10-18 JP JP2007538302A patent/JP2008518171A/ja active Pending
- 2005-10-18 CN CNA200580036571XA patent/CN101048615A/zh active Pending
- 2005-10-18 US US11/577,848 patent/US20090121475A1/en not_active Abandoned
- 2005-10-18 KR KR1020077008658A patent/KR20070044836A/ko not_active Application Discontinuation
- 2005-10-18 EP EP05799795A patent/EP1805449A1/de not_active Withdrawn
- 2005-10-18 WO PCT/EP2005/011184 patent/WO2006045485A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5044670A (en) * | 1988-11-24 | 1991-09-03 | Esser-Brieden Gmbh & Co. Kg | Pipe for conveying solid matter |
DE4421696C1 (de) * | 1994-06-21 | 1995-07-20 | Esser Werke Gmbh & Co Kg | Einlagiges Transportrohr |
DE19607871A1 (de) * | 1995-03-10 | 1996-09-12 | Esser Werke Gmbh & Co Kg | Befestigung eines Kupplungsbunds endseitig eines gehärteten Transportrohrs |
DE10021184A1 (de) * | 1999-11-22 | 2001-05-31 | Esser Werke Gmbh & Co Kg | Feststofftransportrohr |
US20040145180A1 (en) * | 2003-01-15 | 2004-07-29 | Mayer Martin G. | Reinforced composite boom pipe with bonded sleeves |
Also Published As
Publication number | Publication date |
---|---|
CN101048615A (zh) | 2007-10-03 |
EP1805449A1 (de) | 2007-07-11 |
KR20070044836A (ko) | 2007-04-30 |
ES2288658T3 (es) | 2008-01-16 |
ATE366386T1 (de) | 2007-07-15 |
DE502004004251D1 (de) | 2007-08-16 |
EP1653139B1 (de) | 2007-07-04 |
US20090121475A1 (en) | 2009-05-14 |
WO2006045485B1 (de) | 2006-08-10 |
JP2008518171A (ja) | 2008-05-29 |
EP1653139A1 (de) | 2006-05-03 |
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