Method and apparatus for drying coal
    1.
    发明授权
    Method and apparatus for drying coal 失效
    煤的干燥方法和装置

    公开(公告)号:US4354825A

    公开(公告)日:1982-10-19

    申请号:US236250

    申请日:1981-02-20

    CPC分类号: F23K1/04

    摘要: A method and apparatus for drying coal in which the coal is dried by a hot gas and then quickly cooled with ambient air to reduce the oxidation rate and in which the air heated in the cooler is supplied to support the combustion that generates the hot gas. The drying gas exhausted from the dryer is utilized to extract coal product, to produce the fuel necessary to generate the hot drying gas and to provide a tempering gas to help maintain the combustor within a desired temperature range. Condensation of the exhaust drying gas is prevented by utilizing the hot gas discharged from the combustor, bypassing the dryer, and supplying it to the exhaust gas at a plurality of different points.

    摘要翻译: 一种用于干燥煤的方法和装置,其中煤被热气干燥,然后用环境空气快速冷却,以降低氧化速率,并且在其中供应在冷却器中加热的空气以支持产生热气体的燃烧。 从干燥器排出的干燥气体用于提取煤产品,以产生产生热干燥气体所需的燃料,并提供回火气体以帮助将燃烧器维持在所需温度范围内。 通过利用从燃烧器排出的热气体,绕过干燥器并在多个不同点将其供给到排气来防止排气干燥气体的冷凝。

    Solid fuel fired kiln
    3.
    发明授权
    Solid fuel fired kiln 失效
    固体燃料窑炉

    公开(公告)号:US4337030A

    公开(公告)日:1982-06-29

    申请号:US126310

    申请日:1980-03-03

    IPC分类号: C21B5/00 F27B1/08 F27B15/00

    CPC分类号: F27B1/08 C21B5/003

    摘要: A fuel burning kiln and process especially adapted for utilizing solid fuel in which one or more burners are accommodated within the kiln and a fuel and air mixture and a supplementary air supply are supplied to the combustion chamber of the burner through a pair of conduits arranged in heat exchange relationship one inside the other.

    摘要翻译: 一种燃料燃烧窑和特别适于利用固体燃料的方法,其中一个或多个燃烧器容纳在窑内,并且燃料和空气混合物和辅助空气供应通过一对导管排放在燃烧器的燃烧室中 热交换关系一个在另一个之内。

    Refrigeration tubing joint
    4.
    发明授权
    Refrigeration tubing joint 失效
    制冷管接头

    公开(公告)号:US4693501A

    公开(公告)日:1987-09-15

    申请号:US888593

    申请日:1986-07-23

    摘要: A heat exchanger tube assembly having one end of a copper tube soldered to the end of an aluminum tube, and a method of minimizing galvanic corrosion at the soldered joint. The aluminum tube, having a roughened inner surface for enhanced heat transfer, fits inside the copper tube at the soldered joint. A heat shrinkable thermoplastic tube having a thermosetting adhesive inner coating is placed around the joint and then heated. The heat shrinks the thermoplastic tube, causing it to contract and to adhere tightly against and around the joint. The plastic tube with its adhesive inner coating protects the joint from atmospheric moisture and thus inhibits galvanic corrosion that would eventually create a leak in the tube joint.

    摘要翻译: 一种热交换器管组件,其具有焊接到铝管的端部的铜管的一端,以及使焊接接头处的电偶腐蚀最小化的方法。 铝管具有粗糙的内表面,用于增强热传递,适合焊接在铜管内部。 将具有热固性粘合剂内涂层的热收缩热塑性管放置在接头周围,然后加热。 热收缩热塑性管,使其收缩并紧密地粘合在接头周围。 具有粘合剂内涂层的塑料管可保护接头免受大气污染,从而抑制电偶腐蚀,最终导致管接头泄漏。