WO2010091636A1 - 一种环冷机台车 - Google Patents

一种环冷机台车 Download PDF

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Publication number
WO2010091636A1
WO2010091636A1 PCT/CN2010/070606 CN2010070606W WO2010091636A1 WO 2010091636 A1 WO2010091636 A1 WO 2010091636A1 CN 2010070606 W CN2010070606 W CN 2010070606W WO 2010091636 A1 WO2010091636 A1 WO 2010091636A1
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WO
WIPO (PCT)
Prior art keywords
trolley
plate
sealing
support beam
front support
Prior art date
Application number
PCT/CN2010/070606
Other languages
English (en)
French (fr)
Inventor
高德亮
戴传德
刘相佩
Original Assignee
中冶长天国际工程有限责任公司
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 中冶长天国际工程有限责任公司 filed Critical 中冶长天国际工程有限责任公司
Priority to BRPI1008332-4A priority Critical patent/BRPI1008332B1/pt
Priority to UAA201109729A priority patent/UA102718C2/ru
Publication of WO2010091636A1 publication Critical patent/WO2010091636A1/zh

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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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • 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
    • 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
    • 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
    • F27D3/02—Skids or tracks for heavy objects

Definitions

  • the invention relates to the field of iron and steel smelting, in particular to a ring cooler trolley for a ring cooler. Background technique
  • a ring cooler In steel smelting, a ring cooler is used to cool the sintered material.
  • the ring cooler is generally circular, and the sintered material is run through the trolley for one week in the ring cooler to complete cooling and unloading.
  • Fig. 1 a cross-sectional view of the circumferential direction of the ring cooler 10 (around the center of the ring cooler 10), the finished sintered material is laid on the raft 12 of the ring chiller trolley 11, and the ring chiller trolley 11 surrounds the ring.
  • the center of the refrigerator 10 is rotated at a constant speed.
  • the cold air blown by the air blower passes from the bottom up through the seesaw 12 into the trolley, and after sufficient heat exchange with the material on the seesaw 12, it acts as a hot flue gas from the exhaust duct (in the figure) Not shown) discharged.
  • the body of the ring cooler trolley 11 needs to be sealed to prevent the cold air from leaking from the body of the ring cooler trolley 11, because the ring cooler trolley 11 has a single-layer structure, which is not easy to seal, resulting in The material cooling effect is poor.
  • the technical problem to be solved by the present invention is to provide a ring cooler trolley, which is easy to seal, can effectively protect the static seal and improve the material cooling effect.
  • the invention provides a ring cooler trolley, wherein the ring cooler trolley has a double-layer structure, the upper layer is a raft for ventilation, and the lower layer is a lower deck of the trolley, and the lower layer of the lower layer of the trolley extends to a static sealing range of the rear support plate of the front support beam, the inner side sealing plate of the trolley, the front support plate of the rear support beam, and the outer side sealing plate of the trolley, wherein the circumferential length of the lower plate of the trolley is greater than The distance between the rear support plate of the front support beam and the front support plate of the rear support beam is greater than the distance between the inner side seal plate of the trolley and the outer seal plate of the trolley.
  • the level of the lower deck of the trolley is lower than the rear support plate of the front support beam, the inner side seal plate of the trolley, the front support plate of the rear support beam, and the bottom end of the outer brake plate of the trolley.
  • the length of the ball joint support seat of the front support beam and the rear support beam is greater than the front support plate of the lower deck of the trolley and the rear support plate of the front support beam, the inner side seal plate of the trolley, and the front support of the rear support beam board, And the difference in height of the bottom end of the outer sealing plate of the trolley.
  • the lower deck of the trolley and the rear support plate of the front support beam, the inner side seal plate of the trolley, the front support plate of the rear support beam, and the outer seal plate of the trolley form four continuous sealing edges, The outer sides of the four continuous sealing edges are sealed with a sealant.
  • the lower deck of the trolley is in hard contact with the first seal bracket disposed at the bottom of the front support plate of the rear support beam.
  • the lower deck of the trolley has a gap between the lower seal bracket disposed at the bottom of the inner seal plate, and the inner side of the second seal bracket is equipped with an ash barrier that can move up and down.
  • the lower deck of the trolley has a gap between the third sealing body bracket disposed at the bottom of the rear supporting plate of the front supporting beam, and the inner side of the third sealing body bracket is equipped with a movable gray partitioning plate .
  • the fourth sealing body bracket disposed at the bottom of the outer sealing plate and the lower plate of the trolley, and the inner side of the fourth sealing body bracket is equipped with a movable gray partitioning plate.
  • the gap ranges from 3 mm to 10 mm.
  • the ash partition is provided with a guiding groove, and the guiding groove is sleeved on the pin.
  • the sealant member comprises a sealing body and a sealing contact projecting obliquely outwardly at opposite ends of the sealing body, the sealing contact being arc-shaped.
  • the lower deck of the trolley is trapezoidal.
  • the present invention has the following advantages:
  • the ring-cooling trolley of the invention has a double-layer structure, the upper layer is a raft layer for ventilation, and the lower layer is a lower deck layer of the trolley, and the circumferential length of the lower deck of the trolley is larger than the rear support plate of the front support beam and The distance between the front support plates of the rear support beams is greater than the distance between the inner seal plates of the trolley and the outer seal plates of the trolley.
  • the extended position of the lower deck of the trolley facilitates the leakage of the sealant edge on the upper component to improve the material cooling effect.
  • Figure 1 is a cross-sectional view of the ring cooler
  • Figure 2 is a top view of the ring cooler trolley
  • Figure 3 is a cross-sectional view taken along line AA of Figure 2;
  • Figure 4 is a cross-sectional view taken along line BB of Figure 3;
  • Figure 5 is a cross-sectional view of the first sealing side of the present invention.
  • Figure 6 is a cross-sectional view of the second sealing side of the present invention.
  • FIG. 2 is a top view of the ring-cooling machine trolley;
  • FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; and
  • FIG. 4 is a cross-sectional view taken along line B-B of FIG.
  • the ring cooler 20 includes a plurality of ring cooler trolleys 21 which are sequentially, equidistantly, and concentrically arranged to rotate clockwise or counterclockwise at the same center around the center of the ring cooler 20.
  • the ring cooler 20 is sealed by a single ring cooler trolley 21 as a sealing unit, and each ring cooler trolley 21 is provided with a unit static sealing device 29 for sealing, and the ring cooler is integrally formed by a plurality of units to be statically sealed.
  • the static sealing system composed of the device 29 enables the cold air of the ring cooler 20 to not leak during the working process, thereby ensuring the cooling effect of the material.
  • the support beam provided in the forward direction of the ring cooler carriage 21 is the front support beam 27, and the support beam disposed in the opposite direction to the forward direction of the ring cooler carriage 21 is the rear support. Beam 28.
  • the lower deck 22 of the ring cooler trolley 21 is sequentially and the rear support plate 23 of the front support beam 27, the inner side seal plate 24, the front support plate 25 of the rear support beam 28, and the outer side seal plate 26 of the carriage.
  • Four continuous sealing edges are formed, and the outer sides of the four continuous sealing edges are sealed with a sealant member 30 to constitute a unit static sealing device 29 of the ring cooler trolley 21.
  • the body of the ring cooler trolley 21 forms a closed space, preventing the cold air entering the ring cooler trolley 21 from leaking from the periphery of the lower deck 22 of the trolley, improving the material cooling effect and energy saving and environmental protection of the ring cooler 20. effect.
  • the ball joint support seat 42 on the front support beam 27 is extended downward by a predetermined distance so that the level of the lower deck 22 of the trolley can be lowered by a predetermined distance.
  • the lower deck 22 of the trolley is lowered to the front support beam 27, the rear support beam 28, the inner side seal plate 24 of the trolley, and the outer seal plate 26 of the trolley, and has a certain height difference.
  • the length of the ball joint support 42 is greater than the height difference.
  • the arrangement of the seal member 30 and the seal member 30 by the height difference facilitates the installation of the seal member 30 and improves the sealing effect of the unit static seal device 29.
  • the preset distance may be the height of the seal member 30.
  • the trolley ball hinge support 42 hoisted under the front support beam 27 of each trolley is extended downward by a predetermined distance Off, the horizontal level of the lower deck 22 of the trolley is correspondingly decreased by a preset distance.
  • the lower deck 22 of the trolley is lowered below the trolley front support beam 27, the rear support beam 28, the trolley inner seal plate 24, and the trolley outer seal plate 26, and has a preset height difference.
  • the length of the ball joint support 42 is greater than the preset height difference.
  • the lower deck 22 of the trolley extends horizontally in four directions to the trolley front support beam 27, the rear support beam 28, the trolley inner seal plate 24 and the trolley outer seal plate 26, so that the trolley lower deck 22 is circumferentially oriented (
  • the length around the center of the ring cooler 20 is greater than the distance between the trolley front support beam 27 and the rear support beam 28, and the radial (direction to the center of the ring cooler 20) is longer than the trolley inner seal plate 24 and the trolley.
  • the distance between the outer sealing plates 26 is the distance between the outer sealing plates 26.
  • a rubber seal that is sealed to the lower deck 22 of the trolley is disposed below the trolley lower deck 22 to the trolley front support beam 27, the rear support beam 28, the trolley inner seal panel 24, and the trolley outer seal panel 26. 30. And the mounting bracket of the rubber seal 30.
  • the preset distance described above may be the height of the seal 30.
  • the lower deck 22 of the trolley is generally trapezoidal, and the circumferential length of the lower deck 22 of the trolley is greater than the spacing of the rear support plate 23 of the front support beam 27 and the front support plate 25 of the rear support beam 28; the diameter of the lower deck 22 of the trolley The length of the direction is greater than the spacing between the inner side seal plate 24 of the carriage and the outer side seal plate 26 of the carriage.
  • the lower deck 22 of the trolley is equivalent to the bottom of the rear support plate 23 of the front support beam 27, the inner side seal plate 24 of the carriage, the front support plate 25 of the rear support beam 28, and the outer side sealing plate 26 of the trolley.
  • the side is extended to the periphery, and the sealing member 30 is disposed on the upper component of the extended position, which facilitates the installation of the sealing member 30 and improves the sealing effect of the unit static sealing device 29.
  • the front support plate 25 of the rear support beam 28 and the lower deck 22 of the trolley constitute a first sealing edge 251
  • the inner side sealing plate 24 of the trolley and the lower plate 22 of the trolley constitute a second sealing edge 241
  • the rear support of the front support beam 27 The plate 23 and the lower deck 22 of the trolley form a third sealing edge 231
  • the trolley outer sealing plate 26 and the trolley lower deck 22 constitute a fourth sealing edge 261.
  • the rear support beam 28 passes the ball joint support seat provided at the bottom of the rear support beam 28 through the joint 40
  • the ring cooler trolley 21 is hinged to the ring cooler trolley 21 (see Fig. 4), and when the ring cooler trolley 21 is unloading, the rear support beam 28 is lifted by the ring cooler support member (not shown), the ring cooler The trolley 21 is tilted about the hinge 40, and the lower deck 22 of the trolley is separated from its upper member, and the sealing device is also disengaged.
  • the ring cooler trolley 21 is reset, the lower deck 22 of the trolley and its upper member are restored to a sealed state, and the rear support beam 28 is The plate 22 is restored to the pressed state with the lower deck of the trolley.
  • the front support plate 25 of the rear support beam 28 and the lower deck 22 of the trolley must be in hard contact with the pressing state, and the front The rear support plate 23, the inner side seal plate 24, and the inner side seal plate 26 of the support beam 27 need only be in soft contact with the lower deck 22 of the trolley.
  • the front support plate 25 of the rear support beam 28 is hard contacted by the first seal body bracket 252 on the lower deck 22 of the ring cooler trolley 21.
  • the front support plate 25 of the rear support beam 28 serves as a support for supporting the rear support beam 28 itself and most of the weight of the above materials.
  • the first seal body bracket 252 transfers the part of the weight to the lower deck 22 of the trolley, and then It is transmitted through the wheel 41 to the ring cooler track (not shown). Since the first sealing body bracket 252 needs to support most of the weight of the rear supporting beam 28 itself and the above materials, the first sealing body bracket 252 and the lower deck 22 of the ring cooler trolley 21 are pressed. Hard contact.
  • the supporting beam bottom plate 271 is fixedly connected with the first sealing body bracket 252, and the first sealing body bracket 252 is fixedly assembled with an elastic material on the outer side of the unit static sealing device by using the mounting bolt 253.
  • the sealant member 30, the sealant member 30 includes a seal body 301, and a seal contact 302 and a seal contact 303 projecting obliquely outward at opposite ends of the seal body 301.
  • the seal contact 302 and the seal contact 303 are arc-shaped. .
  • the sealant member 30 is fixedly mounted on the first seal holder 252 toward the outside of the unit static sealing device, and the sealing contact 302 and the sealing contact 303 of the sealant member 30 respectively contact the support beam bottom plate 271 and the trolley lower plate 22,
  • the height of the sealant member 30 is slightly larger than the height of the first seal holder 252.
  • the sealant member 30 is in a pressed state during operation, and the arc-shaped seal contact 302 and the seal contact 303 have a certain deformation to ensure the sealing effect. .
  • the first seal holder 252 is in hard contact with the undercarriage plate 22 of the trolley, and the first seal holder 252 blocks the high temperature material cauterization seal member 30 that falls onto the lower deck 22 of the trolley.
  • the bottom plate 244 of the inner sealing plate 24 is fixedly connected to the second sealing body bracket 242, and the second sealing body bracket 242 is fixedly assembled with a sealing material 30 of an elastic material by using a mounting bolt 243.
  • the sealant member 30 faces the outside of the unit static sealing device.
  • the sealant member 30 includes a seal body 301 and a seal contact 302 and a seal contact 303 that protrude obliquely outward at both ends of the seal body 301.
  • the seal contact 302 and the seal contact 303 have a circular arc shape.
  • the sealing contact 302 and the sealing contact 303 respectively contact the bottom plate 244 of the inner side sealing plate 24 of the trolley and the lower plate 22 of the trolley.
  • the height of the sealing member 30 is slightly larger than the bottom plate 244 of the inner sealing plate 24 to the lower plate 22 of the trolley. the height of,
  • the sealant member 30 is in a pressed state during operation, and the arc-shaped seal contact 302 and the seal contact 303 have a certain deformation to ensure a sealing effect.
  • the width of the slit 35 may range from 3 mm to 10 mm, preferably 5 mm.
  • the second sealing body bracket 242 is provided with an upper movable movable partition on the inner side of the unit static sealing device.
  • the ash partition 31 is provided with a guiding groove 32, and the guiding groove 32 is sleeved on the pin 34 of the second sealing body bracket 242.
  • the pin 34 positions the ash shield 31 on the second seal holder 242 toward the inside of the unit static seal. In the range of the width of the guide groove 32, the ash spacer 31 can move up and down.
  • the gray shield 31 falls onto the lower deck 22 of the trolley due to its own weight, blocking the gap 35, preventing the high temperature material from cauterizing the sealant 30 through the slit 35.
  • the distance from the bottom plate 244 of the inner side sealing plate 24 of the trolley to the lower plate 22 of the trolley is equal to the distance from the bottom plate 271 of the support beam to the lower plate 22 of the trolley, thereby ensuring the sealing of the second sealing edge 241.
  • the cross-sectional height and shape of the colloid 30 is identical to the cross-sectional height and shape of the sealing rubber body 30 of the first sealing edge 251, facilitating manufacturing processing and service replacement.
  • the sealing structure of the third sealing edge 231 and the fourth sealing edge 261 is identical to the sealing structure of the second sealing edge 241 and will not be described again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Description

一种环冷机台车
本申请要求于 2009 年 2 月 12 日提交中国专利局、 申请号为 200910007625.X, 发明名称为 "一种环冷机台车" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及钢铁冶炼领域， 特别是涉及一种用于环冷机的环冷机台车。 背景技术
在钢铁冶炼中， 环冷机用于冷却烧结的物料。 环冷机整体为圓环形， 烧结 的物料通过台车在环冷机中运行一周， 完成冷却和卸料。 参见图 1 , 为环冷机 10的环向（围绕环冷机 10的中心）剖视图， 完成烧结的物料被布设在环冷机 台车 11的篦板 12上， 环冷机台车 11围绕环冷机 10的中心匀速转动。 同时， 鼓风机（图中未示出）吹入的冷风从下向上穿过篦板 12进入台车， 与篦板 12 上的物料进行充分热交换后， 作为热烟气从排烟道（图中未示出 )排出。
在物料冷却过程中， 需对环冷机台车 11的车体进行密封， 防止冷风从环 冷机台车 11的车体泄漏， 因环冷机台车 11为单层结构， 不易密封， 导致物料 冷却效果较差。
发明内容
本发明所要解决的技术问题是提供一种环冷机台车，该环冷机台车易于密 封， 可有效保护静密封， 提高物料冷却效果。
本发明提供一种环冷机台车， 所述环冷机台车为双层结构， 上层为用于通 风的篦板， 下层为台车下层平板， 所述台车下层平板的四周依次延伸到前置支 承梁的后支撑板、 台车内侧密封板、 后置支承梁的前支撑板、 及台车外侧密封 板所涉及的静密封范围，所述台车下层平板的环向长度大于所述前置支承梁的 后支撑板与所述后置支承梁的前支撑板的距离，径向长度大于所述台车内侧密 封板与所述台车外侧密封板的距离。
优选的， 所述台车下层平板的水平高度低于所述前置支承梁的后支撑板、 台车内侧密封板、 后置支承梁的前支撑板、 及台车外侧密封板的底端。
优选的，前置支承梁和后置支承梁的球铰支撑座长度大于所述台车下层平 板与所述前置支承梁的后支撑板、 台车内侧密封板、 后置支承梁的前支撑板、 及台车外侧密封板的底端的高度差。
优选的， 所述台车下层平板与所述前置支承梁的后支撑板、 台车内侧密封 板、 后置支承梁的前支撑板、 及台车外侧密封板构成四条连续密封边， 所述四 条连续密封边的外侧用密封胶件密封。
优选的，所述台车下层平板与设置在所述后置支承梁的前支撑板底部的第 一密封体支架之间是硬接触。
优选的，所述台车下层平板与设置在所述内侧密封板底部的第二密封体支 架之间具有间隙,第二密封体支架的内侧装配有可上下活动的隔灰板。
优选的，所述台车下层平板与设置在所述前置支承梁的后支撑板底部的第 三密封体支架之间具有间隙， 第三密封体支架的内侧装配有可上下活动的隔 灰板。
优选的，设置在所述外侧密封板底部的第四密封体支架与所述台车下层平 板之间具有间隙， 第四密封体支架的内侧装配有可上下活动的隔灰板。
优选的， 所述间隙的范围是 3 mm - 10mm。
优选的， 所述隔灰板上设有导向槽， 所述导向槽套接在销子上。
优选的，所述密封胶件包括密封本体和在所述密封本体两端倾斜向外伸出 的密封触头， 所述密封触头为圓弧形。
优选的， 所述台车下层平板为梯形。
与现有技术相比， 本发明具有以下优点：
本发明所述环冷机台车为双层结构， 上层为用于通风的篦板层， 下层为台 车下层平板层，台车下层平板的环向长度大于前置支承梁的后支撑板与后置支 承梁的前支撑板之间的距离，径向长度大于台车内侧密封板与台车外侧密封板 的距离。在台车下层平板延展出来的位置有利于在上部组成部件上设置密封胶 边泄漏， 提高物料冷却效果。
附图说明
图 1为环冷机的环向剖视图；
图 2为环冷机台车的俯视筒图；
图 3为图 2所示 A-A向剖视图； 图 4为图 3的 B-B向剖视图；
图 5为本发明第一密封边剖视图；
图 6为本发明第二密封边剖视图。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂， 下面结合附图和 具体实施方式对本发明作进一步详细的说明。
参见图 2、 图 3、 图 4, 图 2为环冷机台车的俯视筒图； 图 3为图 2所示 A-A向剖视图； 图 4为图 3的 B-B向剖视图。
环冷机 20包括多个环冷机台车 21 , 多个环冷机台车 21依次、 等距、 且 同心布置， 围绕环冷机 20 的中心一起顺时针或逆时针同速转动。 环冷机 20 以单个环冷机台车 21作为一个密封单元进行密封，每个环冷机台车 21都设有 单元静密封装置 29 进行密封， 环冷机整体上形成由多个单元静密封装置 29 组成的静密封系统， 使环冷机 20在工作过程中冷风不泄漏， 确保物料冷却效 果。
针对每个环冷机台车 21 , 设置在环冷机台车 21前进方向的支承梁为前置 支承梁 27, 设置在与环冷机台车 21前进方向相反方向的支承梁为后置支承梁 28。 环冷机台车 21的台车下层平板 22依次与前置支承梁 27的后支撑板 23、 台车内侧密封板 24、 后置支承梁 28的前支撑板 25、 及台车外侧密封板 26构 成四条连续密封边， 四条连续密封边的外侧用密封胶件 30密封， 构成环冷机 台车 21的单元静密封装置 29。 这样， 环冷机台车 21的车体就形成一个密闭 的空间， 防止进入环冷机台车 21的冷风从台车下层平板 22的周边泄漏，提高 物料冷却效果和环冷机 20的节能环保效果。
前置支承梁 27上的球铰支撑座 42向下伸长预设距离， 使台车下层平板 22的水平高度可以相应的下降预设距离。 这样， 台车下层平板 22降到前置支 承梁 27、 后置支承梁 28、 台车内侧密封板 24、 及台车外侧密封板 26之下， 并具有一定的高度差。 球铰支撑座 42的长度大于该高度差。 利用该高度差设 置密封胶件 30和密封胶件 30的支架， 有利于密封胶件 30的安装和提高单元 静密封装置 29的密封效果。 该预设距离可以为密封胶件 30的高度。
将吊装在各台车前置支承梁 27下面的台车球铰支撑座 42向下伸长预设距 离， 使台车下层平板 22的水平高度相应的下降预设距离。 这样， 台车下层平 板 22降到台车前置支承梁 27、 后置支承梁 28、 台车内侧密封板 24及台车外 侧密封板 26之下， 并且具有预设的高度差。球铰支撑座 42的长度大于此预设 的高度差。 同时， 台车下层平板 22向台车前置支承梁 27、 后置支承梁 28、 台 车内侧密封板 24和台车外侧密封板 26四个方向水平延伸， 使台车下层平板 22的环向 （围绕环冷机 20的中心）长度大于台车前置支承梁 27和后置支承 梁 28之间的距离,径向 （指向环冷机 20的中心）长度大于台车内侧密封板 24 和台车外侧密封板 26之间的距离。
在台车下层平板 22延伸至台车前置支承梁 27、后置支承梁 28、 台车内侧 密封板 24及台车外侧密封板 26的下面设置与台车下层平板 22相密封的橡胶 密封件 30、及橡胶密封件 30的安装支架。 以上所述预设距离可以为密封件 30 的高度。这种以台车下层平板 22为密封面的台车单元静密封， 其漏风率极低， 密封效果好， 对台车卸料无阻挡。
台车下层平板 22整体为梯形，台车下层平板 22的环向长度大于前置支承 梁 27的后支撑板 23和后置支承梁 28的前支撑板 25的间距； 台车下层平板 22的径向长度大于台车内侧密封板 24和台车外侧密封板 26的间距。 这样， 使得台车下层平板 22相当于从前置支承梁 27的后支撑板 23、 台车内侧密封 板 24、 后置支承梁 28的前支撑板 25、 及台车外侧密封板 26等设备底边向四 周延展出来， 在延展出来的位置的上部组成部件上设置密封胶件 30, 有利于 密封胶件 30的安装和提高单元静密封装置 29的密封效果。
后置支承梁 28的前支撑板 25与台车下层平板 22构成第一密封边 251 , 台车内侧密封板 24与台车下层平板 22构成第二密封边 241 , 前置支承梁 27 的后支撑板 23与台车下层平板 22构成第三密封边 231 , 台车外侧密封板 26 与台车下层平板 22构成第四密封边 261。
后置支承梁 28通过铰接头 40将设置在后置支承梁 28底部的球铰支撑座
42与环冷机台车 21铰接（见图 4 ), 环冷机台车 21在卸料时， 后置支承梁 28 被环冷机支撑构件（图中未示出）托起， 环冷机台车 21绕铰接头 40转动而倾 斜， 台车下层平板 22与其上部构件分离， 密封装置也随之脱开。 当环冷机台 车 21复位后， 台车下层平板 22与其上部构件恢复密封状态， 后置支承梁 28 与台车下层平板 22恢复压紧状态。 为保证后置支承梁 28与台车下层平板 22 脱离后又回复压紧状态，就须使后置支承梁 28的前支撑板 25与台车下层平板 22为压紧状态的硬接触， 而前置支承梁 27的后支撑板 23、 台车内侧密封板 24、 及台车内侧密封板 26只需与台车下层平板 22保持软接触。
后置支承梁 28的前支撑板 25通过第一密封体支架 252硬接触搭在该环冷 机台车 21的台车下层平板 22上。 后置支承梁 28的前支撑板 25起支撑作用， 支撑后置支承梁 28 自身及其以上物料的大部分重量， 第一密封体支架 252将 该部分重量传递到台车下层平板 22上，再通过车轮 41传递到环冷机轨道上（图 中未示出）。因第一密封体支架 252需支撑后置支承梁 28自身及其以上物料的 大部分重量， 因此， 第一密封体支架 252与该环冷机台车 21的台车下层平板 22是压紧状态的硬接触。
参见图 5 , 为本发明第一密封边剖视图， 支承梁底板 271与第一密封体支 架 252固定连接，第一密封体支架 252用安装螺栓 253在单元静密封装置的外 侧固定装配一弹性材质的密封胶件 30, 密封胶件 30包括密封本体 301 , 和在 密封本体 301两端倾斜向外伸出的密封触头 302和密封触头 303 ,密封触头 302 和密封触头 303为圓弧形。 密封胶件 30固定装配在第一密封体支架 252上， 朝向单元静密封装置的外侧， 密封胶件 30的密封触头 302和密封触头 303分 别接触支承梁底板 271和台车下层平板 22, 密封胶件 30的高度稍大于第一密 封体支架 252的高度， 密封胶件 30工作时处于压紧状态， 圓弧形的密封触头 302和密封触头 303具有一定的形变， 以保证密封效果。
第一密封体支架 252与台车下层平板 22是压紧状态的硬接触， 第一密封 体支架 252可阻挡落到台车下层平板 22上的高温的物料烧灼密封胶件 30。
参阅图 6, 为本发明第二密封边剖视图， 内侧密封板 24的底板 244与第 二密封体支架 242固定连接，第二密封体支架 242用安装螺栓 243固定装配一 弹性材质的密封胶件 30, 密封胶件 30朝向单元静密封装置的外侧。 密封胶件 30包括密封本体 301和在密封本体 301两端倾斜向外伸出的密封触头 302和 密封触头 303 , 密封触头 302和密封触头 303为圓弧形。 密封触头 302和密封 触头 303分别接触台车内侧密封板 24的底板 244和台车下层平板 22, 密封胶 件 30的高度稍大于内侧密封板 24的底板 244至台车下层平板 22之间的高度， 密封胶件 30工作时处于压紧状态， 圓弧形的密封触头 302和密封触头 303具 有一定的形变， 以保证密封效果。
第二密封体支架 242与台车下层平板 22之间具有缝隙 35 , 缝隙 35的宽 度范围可为 3mm - 10mm, 优选为 5 mm。
第二密封体支架 242在单元静密封装置的内侧设置可上下活动的隔灰板
31 , 隔灰板 31上设导向槽 32, 导向槽 32穿套在第二密封体支架 242的销子 34上。 销子 34将隔灰板 31定位在第二密封体支架 242上， 朝向单元静密封 装置的内侧。 在导向槽 32宽度的范围内， 隔灰板 31可上下活动。 当台车下层 平板 22相对于台车内侧密封板 24移动时， 隔灰板 31由于自重， 落到台车下 层平板 22上， 挡住缝隙 35 , 防止高温的物料经缝隙 35烧灼密封胶件 30。
在第二密封边装置设计中， 台车内侧密封板 24的底板 244到台车下层平 板 22的距离与支承梁底板 271至台车下层平板 22的距离相等，保证了第二密 封边 241的密封胶体 30的横截面高度和形状与第一密封边 251的密封橡胶体 30的横截面高度和形状完全一致， 有利于制造加工和检修更换。
第三密封边 231和第四密封边 261的密封结构与第二密封边 241的密封结 构完全相同， 不再赘述。
以上对本发明所提供的一种用于环冷机台车的单元静密封装置，进行了详 实施例的说明只是用于帮助理解本发明的方法及其核心思想； 同时，对于本领 域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有 改变之处， 综上所述， 本说明书内容不应理解为对本发明的限制。

Claims

权 利 要 求
1、 一种环冷机台车， 其特征在于， 所述环冷机台车为双层结构， 上层为 用于通风的篦板， 下层为台车下层平板， 所述台车下层平板的四周依次延伸到 前置支承梁的后支撑板、 台车内侧密封板、 后置支承梁的前支撑板、 及台车外 侧密封板所涉及的静密封范围，所述台车下层平板的环向长度大于所述前置支 承梁的后支撑板与所述后置支承梁的前支撑板的距离，径向长度大于所述台车 内侧密封板与所述台车外侧密封板的距离。
2、 如权利要求 1所述的环冷机台车， 其特征在于， 所述台车下层平板的 水平高度低于所述前置支承梁的后支撑板、 台车内侧密封板、后置支承梁的前 支撑板、 及台车外侧密封板的底端。
3、 如权利要求 1所述的环冷机台车， 其特征在于， 前置支承梁和后置支 承梁的铰接头座长度大于所述台车下层平板与所述前置支承梁的后支撑板、台 车内侧密封板、 后置支承梁的前支撑板、 及台车外侧密封板的底端的高度差。
4、 如权利要求 1所述的环冷机台车， 其特征在于， 所述台车下层平板与 所述前置支承梁的后支撑板、 台车内侧密封板、 后置支承梁的前支撑板、 及台 车外侧密封板构成四条连续密封边，所述四条连续密封边的外侧用密封胶件密 封。
5、 如权利要求 1所述的环冷机台车， 其特征在于， 所述台车下层平板与 设置在所述后置支承梁的前支撑板底部的第一密封体支架之间是硬接触。
6、 如权利要求 1所述的环冷机台车， 其特征在于， 所述台车下层平板与 设置在所述内侧密封板底部的第二密封体支架之间具有间隙,第二密封体支架 的内侧装配有可上下活动的隔灰板。
7、 如权利要求 1所述的环冷机台车， 其特征在于， 所述台车下层平板与 设置在所述前置支承梁的后支撑板底部的第三密封体支架之间具有间隙， 第 三密封体支架的内侧装配有可上下活动的隔灰板。
8、 如权利要求 1所述的环冷机台车， 其特征在于， 设置在所述外侧密封 板底部的第四密封体支架与所述台车下层平板之间具有间隙， 第四密封体支 架的内侧装配有可上下活动的隔灰板。
9、 如权利要求 6、 7或 8所述的环冷机台车， 其特征在于， 所述间隙的范 围是 3 mm - 10mm。
10、 如权利要求 6、 7或 8所述的环冷机台车， 其特征在于， 所述隔灰板 上设有导向槽， 所述导向槽套接在销子上。
11、 如权利要求 4所述的环冷机台车， 其特征在于， 所述密封胶件包括密 封本体和在所述密封本体两端倾斜向外伸出的密封触头，所述密封触头为圓弧 形。
12、 如权利要求 1-8任一项所述的环冷机台车， 其特征在于， 所述台车下 层平板为梯形。
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CN102032797B (zh) * 2010-11-23 2013-12-04 北京世纪源博科技股份有限公司 一种用于环冷机烧结矿的强化换热装置
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CN102506581B (zh) * 2011-10-11 2013-08-28 中冶长天国际工程有限责任公司 环冷机及其单元静密封装置
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