WO2009030178A1 - Poutre de support conçue pour servir de support à des chariots de refroidisseur annulaire - Google Patents

Poutre de support conçue pour servir de support à des chariots de refroidisseur annulaire Download PDF

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Publication number
WO2009030178A1
WO2009030178A1 PCT/CN2008/072252 CN2008072252W WO2009030178A1 WO 2009030178 A1 WO2009030178 A1 WO 2009030178A1 CN 2008072252 W CN2008072252 W CN 2008072252W WO 2009030178 A1 WO2009030178 A1 WO 2009030178A1
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WO
WIPO (PCT)
Prior art keywords
hole
triangular
ring
support beam
rectangular
Prior art date
Application number
PCT/CN2008/072252
Other languages
English (en)
Chinese (zh)
Inventor
Deliang Gao
Original Assignee
Zhongye Changtian International Engineering Co., Ltd.
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 Zhongye Changtian International Engineering Co., Ltd. filed Critical Zhongye Changtian International Engineering Co., Ltd.
Priority to BRPI0815445-7A priority Critical patent/BRPI0815445B1/pt
Publication of WO2009030178A1 publication Critical patent/WO2009030178A1/fr

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
    • F27D3/12—Travelling or movable supports or containers for the charge
    • F27D3/123—Furnace cars

Definitions

  • the invention belongs to the field of a blast ring cooler for cooling a sintered pellet ore in a metallurgical mining industry, and particularly relates to a support beam of a ring cooler trolley.
  • the structure diagram of the support beam of the existing ring cooler trolley is used to support the trolley.
  • the trolley support beam and the seesaw 103 support the materials transported by the trolley.
  • the support beam of the existing ring-cooling trolley adopts a triangular beam structure.
  • the existing ring cooler is used for uniform circular motion.
  • the loading area severe trolley areas
  • the loading background car passes through the blast cooling zone, and the cold air is blown up from the lower bellows, passes through the raft layer 103, exchanges heat with the hot sinter on the raft layer 103 of the trolley, and is discharged to the atmosphere through the chimney or directly.
  • the hot sinter is basically cooled, the trolley passes through the discharge area (several trolley areas), and the trolley wheel 104 moves along the unloading curve, so that the trolley body 105 is flipped around the ball hinge 106. Movement, at this time, the seesaw 103 is inclined downward to remove the material on the seesaw 103.
  • the material on the triangular beam 102 can slide down along the side plates, thereby discharging the sintered ore into the discharge chute and completing the cooling process. Then, the trolley wheel 104 rises along the curved rail, and the trolley body 105 is reset and then enters the loading area to be charged, and the vehicle is resumed.
  • the triangular beam of the existing ring cooler trolley support beam includes two side plates 102b and a bottom plate 102a.
  • the three plates of the support beam use blind plates.
  • the rocker 103 of the trolley and the two side plates 102b of the support beam are filled with the mineral material 104, and the cold air is forcibly blown into the mineral layer from the trolley deck 103, and is carried out with the mineral material. Heat exchange, thus playing the role of cooling minerals. Because the wind will always pass along the least resistance, the shortest distance is passed.
  • the cold air is forcibly blasted into the mineral layer from the trolley raft 103, and the cold air passes through the sides 102b of the triangular beam, and after heat exchange with the mineral material, is discharged into the atmosphere from the top surface of the material layer. Since the three plates constituting the triangular beam are blind plates, only a small amount or even no cold air enters the upper B region of the bottom surface of the triangular beam, forming a cooling dead zone for the mineral material.
  • the object of the present invention is to provide a support beam for a ring cooler trolley for improving the cooling effect of the mineral material above the support beam in view of the deficiencies of the prior art.
  • a ring cooler trolley support beam for supporting a ring cooler trolley, the support beam comprising a rectangular beam and a triangular beam on the rectangular beam.
  • the upper wing of the rectangular beam is extended to the two sides as the triangular beam bottom plate, and the upper wing of the rectangular beam is provided with ventilation holes extending toward the two sides, and two adjacent to the triangular beam bottom plate
  • the triangular beam side plates are provided with a plurality of through holes.
  • the cross-sectional shape and area of the through hole are determined according to the size of the mineral material cooled by the ring cooler trolley; the cross-sectional area satisfying the through hole is smaller than the triangular beam of the mineral material relative to the through hole The projected area of the side panels.
  • a cross-sectional area of the through hole is larger than a projected area of the side of the triangular beam of the mineral material with respect to the through hole, and a purlin of the same material as the side plate of the triangular beam is installed in the through hole.
  • the through hole is a triangular or circular hole or a rectangular hole or a polygonal hole.
  • the venting hole cross-sectional area is greater than or equal to each of the through-hole cross-sectional areas.
  • the through holes have the same or different shapes.
  • the upper wing of the rectangular beam is provided with at least one ventilation hole extending toward both sides of the widened portion.
  • the respective vent holes provided on one side of the upper wing of the rectangular beam extending over the widened portion are independent or in communication with each other.
  • each of the venting holes has a circular or triangular shape or other polygonal shape.
  • the ring cooler trolley support beam of the present invention comprises a rectangular beam and a triangular beam on the rectangular beam.
  • the upper wing of the rectangular beam is widened to extend on both sides to form the triangular beam bottom plate, and the upper wing of the rectangular beam is provided with ventilation holes extending toward the two sides, and the cold air can enter the inside of the triangular beam through the ventilation hole.
  • the two triangular beam side plates adjacent to the triangular beam bottom plate are provided with a plurality of through holes, the cold air entering the triangular beam can enter the B area in FIG. 1 through the through holes, thereby cooling the B.
  • the mineral material in the area improves the cooling effect of the mineral material above the support beam.
  • FIG. 1 is a structural view of a support beam of a conventional ring cooler trolley
  • FIG. 2 is a structural view showing a first embodiment of a support beam for a ring cooler of the present invention
  • Figure 3 is an enlarged view of a portion I shown in Figure 2;
  • Figure 4 is a plan view showing a second embodiment of the support beam of the ring cooler of the present invention.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a cross-sectional view taken along line C-C of Figure 5;
  • Figure 7 is a structural view showing a third embodiment of the support beam of the ring cooler of the present invention.
  • the present invention provides a support beam for a ring cooler trolley for improving the cooling effect of the mineral material above the support beam.
  • FIG. 2 is a structural view of a support beam of a ring-cooling machine trolley according to an embodiment of the present invention
  • FIG. 3 is an enlarged view of a portion I of FIG.
  • the support frame of the ring cooler trolley of the embodiment of the invention is used for supporting the ring cooler trolley.
  • the ring cooler trolley support beam includes a rectangular beam 1 and a triangular beam 2 on the rectangular beam 1.
  • the upper wing of the rectangular beam 1 is widened to extend on both sides to form the triangular beam bottom plate 21, and the upper wing of the rectangular beam 1 is provided with a vent hole 21a extending toward both sides of the widened portion.
  • the two sides of the triangular beam floor 21 are adjacent to the raft 3 for ventilation.
  • the two triangular beam side plates 22 adjacent to the triangular beam bottom plate 21 are provided with a plurality of through holes 22a.
  • the cross section of the through hole 22a may be specifically circular.
  • the diameter of the through hole 22a needs to be smaller than the minimum outer diameter or the minimum outer size of the particles of the mineral material 4.
  • the size of 4 is the particle size of the mineral material.
  • the through hole 22a needs to satisfy the cross-sectional area of the through hole 22a smaller than the projected area of the mineral material 4 with respect to the triangular beam side plate 22 where the through hole 22a is located.
  • the through hole 22a may also have a triangular, elliptical, quadrangular or polygonal shape.
  • the diameter of the inscribed circle in the through hole 22a needs to satisfy the minimum outer diameter or the minimum outer shape of the particles smaller than the mineral material 4.
  • the ring-cooling trolley support beam of the present invention comprises a rectangular beam 1 and a triangular beam located on the rectangular beam 1 2.
  • the upper wing of the rectangular beam 1 is extended to extend on both sides to form the triangular beam bottom plate 21, and the upper wing of the rectangular beam is provided with a vent hole 21a extending toward the two sides, and the cold air enters the mine through the raft 3 At the same time, it can also enter the inside of the triangular beam through the vent hole. Since the two triangular beam side plates adjacent to the triangular beam bottom plate are provided with a plurality of through holes, the cold air entering the triangular beam can enter the B area in FIG. 2 through the through holes, and cool the B area. The mineral material thus improves the cooling effect of the mineral material above the support beam.
  • the ring-cooling trolley support beam of the invention can eliminate the cooling dead zone, that is, the B zone.
  • FIG. 4 is a plan view showing a second embodiment of the support beam of the ring cooler of the present invention
  • FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4
  • FIG. 6 is a cross-sectional view taken along line C-C of FIG.
  • the ring cooler includes a plurality of ring cooler trolleys 100, and the plurality of ring cooler trolleys 100 are sequentially, equidistant, and concentrically arranged together, clockwise (clockwise in FIG. 4) or counterclockwise Rotate at a speed.
  • the second embodiment of the ring cooler trolley support beam of the present invention differs from the first embodiment in that the through holes in the triangular beam side plates 22 are rectangular parallel to each other.
  • the triangular beam side plate 22 of the ring-cooling trolley support beam includes three sets of through-hole groups, each set of through-hole groups including a plurality of mutual holes Parallel or approximately parallel rectangular through holes 22b, and each of the rectangular through holes 22b may have the same size.
  • the rectangular long side of the rectangular through hole 22b may be parallel to the connection between the ring cooler trolley 100 where the support beam is located and the center of the ring cooler, or may have a certain angle with the connection.
  • the long side of each rectangle can be much larger than the short side, and the length of the short side is smaller than the minimum outer diameter or the minimum outer size of the mineral material 4.
  • the upper wing plate of the rectangular beam 1 of the ring-cooling trolley supporting beam according to the second embodiment of the present invention is extended to extend on both sides to form the triangular beam bottom plate 21, and the upper wing plate of the rectangular beam extends to both sides to widen
  • a ventilation hole 21a is provided in part.
  • Part of the cold air sent by the cold air passage 200 enters the mineral material through the seesaw 3, and the other portion enters the inside of the triangular beam 2 through the vent hole 21a. Since the two triangular beam side plates 22 adjacent to the triangular beam bottom plate 21 are provided with three sets of through hole groups, each through hole group further includes a plurality of parallel rectangular through holes 22b, and enters the triangular beam 2 at this time.
  • the cold air can enter the ore material above the support beam through the parallel or nearly parallel rectangular through holes 22b to cool the mineral material, effectively increasing the air permeability area, thereby improving the cooling effect of the mineral material above the support beam.
  • the cold air passage 200 provides the same cold air capacity (ie, the total pressure value does not change)
  • the resistance decreases, and the air volume provided by the fan increases accordingly.
  • the mineral material gets better cooling.
  • the triangular beam side plate 22 of the embodiment of the present invention also includes two or more sets of through hole groups, and each of the through hole groups may also include rectangular through holes 22b or other shapes of through holes which are equidistantly or unequally distributed. And the size of each through hole may be the same or different.
  • a plurality of sub-boards may be sequentially mounted to form a triangular beam side plate 22 having a gap or a through hole.
  • the wheel 100a of the trolley moves along a preset circular track (not shown), and when a certain trolley moves to a position where discharge is required, the wheel 100a of the trolley moves downward along the track, the trolley Under the driving of the wheel 100a, the rotating shaft 300 or the hinge fixed on the supporting beam rotates, thereby driving the seesaw 3 on the trolley to move downward to realize unloading. Since the part of the support beam supporting material is a triangular beam, due to the presence of the two side plates 22 of the triangular beam, the material on the triangular beam can slide down along the right side plate 22 to realize unloading. When the next adjacent trolley runs to the unloading position, the material on the side panel on the left side of the triangular beam of the previous trolley is discharged as the jaw 3 falls.
  • FIG. 7 there is shown a structural view of a third embodiment of a support beam for a ring cooler of the present invention.
  • the third embodiment of the ring cooler trolley support beam of the present invention differs from the first and second embodiments in that the triangular beam side panel 22 includes a plurality of sub-boards which are sequentially fixedly mounted or detachably mounted between Together, and there are gaps or through holes between two adjacent sub-boards to ensure smooth passage of cold air.
  • the support beam of the ring cooler includes a plurality of sub-boards of the same size, and the sub-boards may be steel plates, and the adjacent two steel plates are welded by at least two purlins 25 or steel bars.
  • the stringers 25 or steel bars are mounted equidistantly.
  • the spacing between the beams 25 or the steel bars needs to be smaller than the outer diameter of the particles of the mineral material 4 to prevent the mineral material 4 from falling between the adjacent two steel plates.
  • the upper wing of the rectangular beam 1 of the support beam of the ring cooler of the third embodiment of the present invention is extended to both sides
  • the stretched portion is provided with a vent hole 21a through which a part of the cold air sent from the cold air passage 200 enters the mineral material, and the other portion enters the inside of the triangular beam 2 through the vent hole 21a. Since the two triangular beam side plates 22 adjacent to the triangular beam bottom plate 21 are provided with gaps or through holes, cold air entering the triangular beam 2 can pass through the gaps or through holes and enter the support beam. Cooling the mineral material in the mineral material effectively increases the air permeability area, thereby improving the cooling effect of the mineral material above the support beam.
  • the gap or the through hole on the triangular beam side plate 22 increases the ventilation area of the triangular beam side plate 22, that is, the cooling area of the entire ring cooler is expanded, the air volume per unit area is reduced, and the average wind speed is reduced.
  • the cold air passage 200 provides the same cold air capacity (ie, the total pressure value does not change)
  • the resistance decreases, and the air volume provided by the fan increases accordingly.
  • the air volume increases, the mineral material will be cooled better.
  • the triangular beam side plate 22 of the ring-cooling trolley support beam of the embodiment of the present invention may also be an integral steel plate, a rectangular through hole is formed in the steel plate, and then a stringer is welded or installed in the rectangular through hole, thereby It is ensured that the through hole finally formed by the triangular beam side plate 22 can prevent the leakage of the mineral material.
  • the support beam of the invention can determine the structural size of each part of the support beam according to the size of the water seal ring cold machine. Firstly, the height of the rectangular beam is determined according to the gauge height of the trolley 200, and then the width of the triangular beam bottom plate 21 and the width of the rectangular beam are determined. Finally, the projection height of the side plates of the triangular beam is determined according to the complete discharge requirement (the angle of repose of the mineral material).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne une poutre de support conçue pour servir de support à des chariots de refroidisseur annulaire. Cette poutre de support, qui est utilisée pour servir de support à des chariots de refroidisseur annulaire, comprend une poutre rectangulaire (1) et une poutre triangulaire (2) située au-dessus de la poutre rectangulaire (1). Une plaque supérieure formant aile de la poutre rectangulaire (1) comprend une partie élargie dotée d'évents (21a) qui s'étend des deux côtés et qui sert de plaque de fond (21) à la poutre triangulaire (2). Deux plaques latérales (22) de la poutre triangulaire (2) qui s'appuient contre la plaque de fond (21) de la poutre triangulaire (2) comportent plusieurs trous traversants (22a). La poutre de support de l'invention permet d'accroître l'effet de refroidissement de la matière minérale située au-dessus de la poutre de support.
PCT/CN2008/072252 2007-09-03 2008-09-03 Poutre de support conçue pour servir de support à des chariots de refroidisseur annulaire WO2009030178A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0815445-7A BRPI0815445B1 (pt) 2007-09-03 2008-09-03 Viga de apoio para carro de grelha para resfriador tipo circular

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710035673A CN101118121B (zh) 2007-09-03 2007-09-03 一种用于环冷机台车的支承梁结构
CN200710035673.0 2007-09-03

Publications (1)

Publication Number Publication Date
WO2009030178A1 true WO2009030178A1 (fr) 2009-03-12

Family

ID=39054331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/072252 WO2009030178A1 (fr) 2007-09-03 2008-09-03 Poutre de support conçue pour servir de support à des chariots de refroidisseur annulaire

Country Status (4)

Country Link
CN (1) CN101118121B (fr)
BR (1) BRPI0815445B1 (fr)
UA (1) UA92881C2 (fr)
WO (1) WO2009030178A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7498712B2 (ja) 2018-12-11 2024-06-12 ポール ワース エス．アー． 焼結冷却器の取り付けまたは後付け方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100567868C (zh) * 2007-09-03 2009-12-09 中冶长天国际工程有限责任公司 一种改进的鼓风环式冷却机
CN101118121B (zh) * 2007-09-03 2010-05-19 中冶长天国际工程有限责任公司 一种用于环冷机台车的支承梁结构
CN101482366B (zh) * 2009-02-12 2010-12-22 中冶长天国际工程有限责任公司 一种环冷机台车
CN101825397B (zh) * 2010-04-29 2012-05-09 中冶长天国际工程有限责任公司 一种用于环冷机台车支承梁
CN101813421B (zh) * 2010-04-29 2012-08-01 中冶长天国际工程有限责任公司 环冷机及其支承梁
CN102353270A (zh) * 2011-08-16 2012-02-15 秦皇岛首秦金属材料有限公司 一种环冷机挡料墙的安装方法
CN103471399B (zh) * 2013-09-26 2015-03-11 中冶长天国际工程有限责任公司 环冷机及其台车支承梁

Citations (5)

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GB1360537A (en) * 1971-09-06 1974-07-17 Von Kritter U Rotary annular cooler
EP0127215A1 (fr) * 1983-05-21 1984-12-05 Metallgesellschaft Ag Dispositif annulaire pour mettre en contact des substances solides et des gaz
CN2415330Y (zh) * 2000-04-18 2001-01-17 冶金工业部长沙冶金设计研究院 鼓风环式冷却机
CN2804764Y (zh) * 2005-06-24 2006-08-09 中冶北方工程技术有限公司 鼓风环冷机通风装置
CN101118121A (zh) * 2007-09-03 2008-02-06 中冶长天国际工程有限责任公司 一种用于环冷机台车的支承梁结构

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BE759993A (fr) * 1970-02-12 1971-05-17 Koppers Gmbh Heinrich Dispositif pour refroidir une matiere en vrac chaude
US5148687A (en) * 1990-09-28 1992-09-22 Hitachi Zosen Corporation Cooling apparatus for bulk material
KR100561522B1 (ko) * 2003-12-30 2006-03-16 동부아남반도체 주식회사 반도체 소자 분리막 형성 방법
CN2816722Y (zh) * 2005-08-09 2006-09-13 山东泰山钢铁集团有限公司 环烧机风箱内通风横梁

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360537A (en) * 1971-09-06 1974-07-17 Von Kritter U Rotary annular cooler
EP0127215A1 (fr) * 1983-05-21 1984-12-05 Metallgesellschaft Ag Dispositif annulaire pour mettre en contact des substances solides et des gaz
CN2415330Y (zh) * 2000-04-18 2001-01-17 冶金工业部长沙冶金设计研究院 鼓风环式冷却机
CN2804764Y (zh) * 2005-06-24 2006-08-09 中冶北方工程技术有限公司 鼓风环冷机通风装置
CN101118121A (zh) * 2007-09-03 2008-02-06 中冶长天国际工程有限责任公司 一种用于环冷机台车的支承梁结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7498712B2 (ja) 2018-12-11 2024-06-12 ポール ワース エス．アー． 焼結冷却器の取り付けまたは後付け方法

Also Published As

Publication number Publication date
UA92881C2 (ru) 2010-12-10
BRPI0815445B1 (pt) 2020-09-15
BRPI0815445A8 (pt) 2019-01-29
BRPI0815445A2 (pt) 2015-02-18
CN101118121B (zh) 2010-05-19
CN101118121A (zh) 2008-02-06

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