WO2000073723A1 - Heat exchange device for treating particulate material - Google Patents
Heat exchange device for treating particulate material Download PDFInfo
- Publication number
- WO2000073723A1 WO2000073723A1 PCT/EP2000/004462 EP0004462W WO0073723A1 WO 2000073723 A1 WO2000073723 A1 WO 2000073723A1 EP 0004462 W EP0004462 W EP 0004462W WO 0073723 A1 WO0073723 A1 WO 0073723A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat exchange
- exchange device
- articulated
- frame
- carrying frame
- Prior art date
Links
Classifications
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0038—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising shakers
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
- F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
- F27D2015/0226—Support, fixation of the grate
Definitions
- the present invention relates to a heat exchange device, particularly a cooler, for treating particulate material such as cement raw materials, cement clinker or similar materials, which heat exchange device comprises a grate surface for supporting the material.
- Such devices have means for conveying the material across the surface of the grate from the inlet of the heat exchange device to its outlet, said conveying means being moved back and forth in the direction of transport of the material and being carried by one or more carrying frames.
- the carrying frame or frames are movably supported in a machine frame and connected to driving means.
- long link arms require a substantial height of installation in the cooler if the link arms are fixed to frame structures at the lowermost end and may also entail sealing problems if the link arms are fixed to steel at the uppermost end. Furthermore, the thermal expansion of long link arms constitutes a general problem.
- each pendulum comprises an articulated mechanism in which one of the joints is a sliding joint to compensate for the circular arcuate movement.
- the disadvantage of this known solution is that the articulated mechanisms are not kinematically determined, i.e. their movement is not completley defined by their construction, therefore necessitating an external or additional means for controlling the position of the sliding joint as a function of the angular rotation of the link arm in order to obtain a linear movement.
- WO-A-98/40683 is known a device for support of the carrying frame in a cooler or kiln in such a way that the frame is capable of being moved in reciprocating manner.
- the device is composed of a number of upright leaf springs which are rigidly interconnected in pairs.
- the disadvantage of this known device is that the curve of movement for the point of fixation depends on the vertical force which is acting upon the point. Due to the fact that the leaf springs are rigidly clamped at the ends, they are deflected in the deformed position in lazy-s shapeand the corresponding pathe of movement (or swing path) is similarly shaped and the flatness of the swing path depends on the vertical force on the springs.
- a heat exchange device characterised in that the carrying frame is supported relative to the machine frame by at least two kinematically determined articulated mechanisms each comprising four swivel joints, and each being designed so that it comprises a support point which, within a given stroke length, will follow a substantially straight line, either the carrying frame or the machine frame being connected to the mechanism at the support point.
- the carrying frame can be moved back and forth in a kinematically determined way within a given stroke length interval following a substantially straight line independent of the load sustained by the carrying frame.
- the point of support is situated within the envelope defined by the swivel joints of the articulated mechanism.
- the point of support within the given stroke length interval is movable upward and downward within a maximum distance 0.00025 times the stroke length. At a stroke length of for example 200 mm, the point of support will thus be moving up and down a maximum of 0.05 mm. It is further preferred that the frame defined by the articulated mechanism does not in any direction exceed the stroke length by a factor greater than 5.
- the heat exchange device comprises four articulated mechanisms, each articulated mechanism being fitted in the immediate proximity of each of the corners of the carrying frame.
- Figure 1 is an isometric view of parts of a heat exchange device according to the invention.
- Figure 2 shows an articulated mechanism which is used in the heat exchange device shown in Figure 1.
- a movable carrying frame 1 which is intended for carrying conveying means (not shown) for conveying particulate material across a grate surface (not shown).
- the conveying means may be grate shoes which constitute part of the grate surface as described for example in DE-A-3812425, or the conveying means may be transverse girders which independently of the grate surface are moved back and forth as described for example in PCT/EP98/02012, or they may be differently configured.
- the particular type of conveying means does not form part of the invention.
- the carrying frame 1 is supported by means of four articulated mechanisms 3 from a stationary machine frame which, in the figure, is shown as a pair of beams 5. Furthermore, the movable carrying frame is connected to suitable driving means (not shown).
- FIG. 2 A simple embodiment of the articulated mechanism is shown in Figure 2. It comprises two arms 11 which are connected at one end via swivel joints 13 to the carrying frame 1 and which at their other end are connected, also by means of further swivel joints 15, to a plate 17.
- the plate 17 is connected at a point support 19a to the machine frame 5 via a swivel joint 19.
- the design of the shown articulated mechanism is such that the carrying frame follows an approximately straight line path when subjected to reciprocating movement within a given stroke length interval or range of operation. In other words, this entails that during operation the support point 19a is moved in relative terms substantially parallel to a line through the swivel joints 13.
- each mechanism has two parallel plates 17a and 17b which are separated by means of a spacer 7, and which are rigidly assembled, and the arms are doubled up too.
- common swivel joints 13, 15 and 19 can be used for corresponding sides.
- the swivel joints 13 and 19 are common for the two sides whereas the swivel joints 15 are individually configured for each side.
- the swivel joint 19 may advantageously be of a spherical bearing type to allow for minor deflections of the carrying frame 1.
- the two spherical swivel joints 19c will allow for axial displacements (i.e. transversely of the carrying frame movement) whereas the two spherical swivel joints 19d are locked to prevent axial displacements.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK00935051T DK1198691T3 (en) | 1999-05-28 | 2000-05-17 | Heat exchanger for the treatment of particulate matter |
EP00935051A EP1198691B1 (en) | 1999-05-28 | 2000-05-17 | Heat exchange device for treating particulate material |
DE60001323T DE60001323T2 (en) | 1999-05-28 | 2000-05-17 | HEAT EXCHANGE DEVICE FOR TREATING PARTICULATE MATERIAL |
AU50675/00A AU5067500A (en) | 1999-05-28 | 2000-05-17 | Heat exchange device for treating particulate material |
JP2001500178A JP2003500332A (en) | 1999-05-28 | 2000-05-17 | Heat exchange equipment for treating particulate matter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA199900752 | 1999-05-28 | ||
DKPA199900752 | 1999-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000073723A1 true WO2000073723A1 (en) | 2000-12-07 |
Family
ID=8097142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/004462 WO2000073723A1 (en) | 1999-05-28 | 2000-05-17 | Heat exchange device for treating particulate material |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1198691B1 (en) |
JP (1) | JP2003500332A (en) |
AU (1) | AU5067500A (en) |
CZ (1) | CZ20012801A3 (en) |
DE (1) | DE60001323T2 (en) |
DK (1) | DK1198691T3 (en) |
WO (1) | WO2000073723A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998040683A1 (en) * | 1997-03-13 | 1998-09-17 | Bmh Claudius Peters Ag | Mounting device for the movable part of a cooling or heating grid |
-
2000
- 2000-05-17 AU AU50675/00A patent/AU5067500A/en not_active Abandoned
- 2000-05-17 EP EP00935051A patent/EP1198691B1/en not_active Revoked
- 2000-05-17 JP JP2001500178A patent/JP2003500332A/en active Pending
- 2000-05-17 WO PCT/EP2000/004462 patent/WO2000073723A1/en not_active Application Discontinuation
- 2000-05-17 DK DK00935051T patent/DK1198691T3/en active
- 2000-05-17 DE DE60001323T patent/DE60001323T2/en not_active Revoked
- 2000-05-17 CZ CZ20012801A patent/CZ20012801A3/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998040683A1 (en) * | 1997-03-13 | 1998-09-17 | Bmh Claudius Peters Ag | Mounting device for the movable part of a cooling or heating grid |
Also Published As
Publication number | Publication date |
---|---|
EP1198691B1 (en) | 2003-01-29 |
AU5067500A (en) | 2000-12-18 |
JP2003500332A (en) | 2003-01-07 |
CZ20012801A3 (en) | 2001-11-14 |
DE60001323D1 (en) | 2003-03-06 |
DK1198691T3 (en) | 2003-06-23 |
DE60001323T2 (en) | 2003-10-16 |
EP1198691A1 (en) | 2002-04-24 |
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