| 通风管道与附件的制作及安装 |
| 添加时间：2022/9/15 16:13:54 浏览次数： |
| 通风管道与附件的制作及安装 Fabrication and installation of ventilation pipes and accessories 1、在第一道密闭阀门至工程口部的管道与配件，应采用厚2～3mm的钢板焊接制作。其焊缝应饱满、均匀、严密。 1. The pipes and fittings from the first closed valve to the project mouth shall be welded with steel plates with a thickness of 2-3 mm. The welds shall be full, uniform and tight. 2、染毒区的通风管道应采用焊接连接。通风管道与密闭阀门应采用带密封槽的法兰连接，其接触应平整；法兰垫圈应采用整圈无接口橡胶密封圈。3、主体工程内通风管与配件的钢板厚度应符合设计要求。当设计无具体要求时。钢板厚度应大于0.75mm。 2. The ventilation pipes in the contaminated area shall be connected by welding. The ventilation pipe and the closed valve shall be connected by flange with sealing groove, and the contact shall be smooth; The flange gasket shall be a whole ring of rubber sealing ring without interface. 3. The thickness of steel plates for ventilation pipes and accessories in the main works shall meet the design requirements. When there are no specific requirements in the design. The thickness of steel plate shall be greater than 0.75 mm. 4、工程测压管在防护密闭门外的一端应设有向下的弯头；另一端宜设在通风机房或控制室，并应安装球阀。通过防毒通道的测压型槽模具 井盖钢模具 保定雅思 一次性止血带 保定养老院 保定水处理设备 一次性止血带 管，其接口应采用焊接。 4. One end of the engineering piezometric pipe outside the protective airtight door shall be provided with a downward elbow; The other end should be set in the ventilator room or control room, and ball valves should be installed. The interface of the pressure measuring pipe passing through the anti-virus channel shall be welded. 5、通风管的测定孔、洗消取样管应与管同时制作。测定孔和洗消取样管应封堵。 5. The measuring hole and decontamination sampling pipe of the ventilation pipe shall be made at the same time as the pipe. The measuring hole and decontamination sampling pipe shall be blocked. 6、通风管内气流方向、阀门启闭方向及开启度，应标示清晰、准确。 6. The air flow direction, valve opening and closing direction and opening degree in the vent pipe shall be clearly and accurately marked. |
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