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    드라이아이스를 이용한 유기이온교환 수지의 분말화 방법
    2.
    发明授权
    드라이아이스를 이용한 유기이온교환 수지의 분말화 방법 失效
    使用干冰的有机离子交换树脂的粉末化方法

    公开(公告)号：KR1019930000594B1

    公开(公告)日：1993-01-25

    申请号：KR1019900006860

    申请日：1990-05-14

    Applicant: 대한민국(관리부서:과학기술부장관)

    Inventor： 임성팔 ,  김준형 ,  박헌휘

    IPC: G21F9/28

    Abstract: This method pulverizes the organic ion-exchange resin having the average diameter of 300-1500μm into the extent of 10-150μm, pref. 5-50μm. The method comprises (1) adjusting the water content of the organic ion-exchange resin to 30-60 wt.%, (b) uniformly mixing the resin with dry ice and (c) continuously pulverizing the resultant mixture using a stone mill at the room temperature.

    Abstract translation: 该方法将平均直径为300-1500μm的有机离子交换树脂粉碎成10-150μm的范围。 5-50μm。 该方法包括（1）将有机离子交换树脂的含水量调节至30-60重量％，（b）将树脂与干冰均匀混合，（c）使用石磨机连续粉碎所得混合物 室内温度。

    역세정장치를 부착한 고성능 공기여과장치
    4.
    发明授权
    역세정장치를 부착한 고성능 공기여과장치 失效
    高对流洗衣机

    公开(公告)号：KR1019920001254B1

    公开(公告)日：1992-02-08

    申请号：KR1019890018917

    申请日：1989-12-19

    Applicant: 대한민국(관리부서:과학기술부장관)

    Inventor： 서용칠 ,  양희철 ,  김준형

    IPC: B01D47/06 ,  B01D46/00

    Abstract: The HEPA filter for removing particultes in nuclear industry or clean-room, has a reverse-flow type cleaning mechanism blowing high- compressed air to remove the dust layer collected on the filter, and regenerate type filter. The filter comprises an U-type passage (2) for turning air-flow direction with 180 degrees, air inlet (1), dust collecting box (3); first/second air filters (4),(6) connected with air outlet (7); reverse cleaning nozzle (5) on the first filter (4) for injecting air to clean the filter (4).

    Abstract translation: 用于去除核工业或洁净室中的结垢的HEPA过滤器具有吹扫高压缩空气的逆流型清洁机构，以除去在过滤器上收集的灰尘层，并再生型过滤器。 过滤器包括用于将空气流动方向转动180度的U型通道（2），进气口（1），灰尘收集箱（3）; 与空气出口（7）连接的第一/第二空气过滤器（4），（6）; 用于喷射空气以清洁过滤器（4）的第一过滤器（4）上的反向清洗喷嘴（5）。

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