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平頂山市安泰華礦用安全設備制造有限公司
服務熱線:0375-2608777
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公司地址:平頂山市新華區工業園內

抽放用水壓式封孔器FKSW-63/4、73/4型

一、概述 overview

    1、適用范圍 Product application  

   FKSW-63/4、73/4型礦用封孔器用于煤層頂底板巷道提前抽放瓦斯,臨時封孔的措施。

FKSW-63/4, FKSW-73/4 hydraulic pressure type hole sealing device for gas drainage is gas drainage and hole sealing device used under coal well self developed by our company; it is applied to drain gas before coal mining, reduce the gas volume and pressure in coal seam, which is mainly used for gas drainage hole, and use water pressure to expand the rubber and to realize hole sealing.

    2、產品特點、結構Product characteristics

    操作簡單,使用快速、方便、安全、可靠,并且可以反復使用多次,是煤層抽放瓦斯的理想設備,它由抽放芯管、高壓橡膠膨脹管和控制閥門構成。

    It’s easy and convenient to use, safe and reliable, which can be used for many times; it is the ideal equipment used in gas drainage in coal seam.

二、工作原理及使用方法Method of application

    將封孔器的高壓膨脹管的接頭與井下靜壓水和高壓水連接,封孔器插入需抽放的煤層孔內,打開水閥,當封孔水壓達到1Mpa以上時,封孔器的膠管膨脹后把孔封住,而后通過抽放芯管由抽放泵站進行抽排,抽放完畢后打開水閥,可將管內水放出,封孔器即可恢復原狀,然后將封孔器抽出,完成抽放工作。

    Connect the high pressure expansion pipe of hole sealing device to the static pressure water or high pressure water, and insert hole sealing device into the coal seam to be drained; open the water valve till the hole sealing water pressure is over 1MPa, and the rubber pipe of hole sealing device will expand to seal the hole, and carry on drainage through drainage core pipe from the drainage pump; open the water valve when drainage is finished to let the water in pipe out, and the hole sealing device will get back to its shape; take out the hole sealing device, and drainage work is finished.

三、主要技術參數Technical parameter

(長度可定制,通常有1.0m,1.5m和2.0m三種長度)

(Device of different lengths can be customized, and there are three normal sizes 1.0m, 1.5m and 2.0m.) 

型號 Model

    規格    Specification   mm

 膨脹后外徑  

External diameter a-fter expansion mm

 適用孔徑 

Applicable ap-erture mm

 工作壓力   Working pres-sure Mpa

 最小爆破壓力 

  Minimum explosion pres-sure  Mpa

FKSW-63/4

Φ63

Φ94

Φ65-94

4

15

FKSW-73/4

Φ73

Φ110

Φ75-110

4

15

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