The utility model relates to an expanded perlite constant pressure conveying device, which comprises a pressure conveying tank body, a feeding port is arranged at the top of the pressure conveying tank body, a discharging port is arranged at the bottom, a pressure regulating pipe connected with the pressure conveying tank body is arranged at the bottom of the pressure conveying tank body, a pressure regulating unit is arranged on the pressure regulating pipe, the pressure regulating unit is connected with the controller, an exhaust pipe is arranged at the top of the pressure conveying tank body, and an oxygen content detector is arranged on the exhaust pipe The pressure regulating pipe includes an air replacement pipe connected at the lower part of the pressure conveying tank body and a pressure pipe connected at the upper part of the pressure conveying tank body. The air replacement pipe and the pressure pipe are both provided with a solenoid valve, and the solenoid valve and the oxygen content detector are all connected with the controller. The utility model uses a large capacity pressure feeding tank body, the single delivery volume is increased, the pressure feeding has continuity and stability, and the pressure feeding efficiency and project quality are improved. Because of the integrated design, the device has small floor space, high degree of automation, simple installation and operation, improved efficiency and shortened construction period. The utility model can carry out quick, safe, stable, environmental protection, high efficiency and continuous supplementary filling and maintenance for the expanded perlite interlayer insulation layer of large LNG storage tank.
【技术实现步骤摘要】
膨胀珍珠岩恒压压送装置
本技术属于大型LNG储罐膨胀珍珠岩夹层保温维修领域,具体地说涉及一种膨胀珍珠岩恒压压送装置。
技术介绍
目前国内大型LNG储罐已投产多年,在投产一定时期后,储罐夹层内的膨胀珍珠岩保温层不同程度出现沉降,保温层沉降后会使储罐外壁靠近顶部的位置出现结霜结露现象,严重影响储罐的运行安全、加大能源消耗,影响罐体美观。现有的解决技术方案是:采用小型料罐与LNG储罐充填口对接,将膨胀珍珠岩进行空气置换处理后采用气压压入LNG储罐夹层内。这个方案需要在罐顶操作,装填速度慢,压力不能控制,装满与否无法实时判断等。
技术实现思路
本技术提供一种膨胀珍珠岩恒压压送装置,该装置能够快速、安全可靠、可连续为大型LNG储罐补充填维修作业。一种膨胀珍珠岩恒压压送装置,包括压送罐体,压送罐体的顶部设置进料口,底部设置出料口中,在压送罐体底部设置有与压送罐体连通的调压管道,调压管道上设置有调压单元,调压单元与控制器连接,所述压送罐体顶部设置有排气管,排气管上设置有含氧量检测仪,所述调压管道包括连通在压送罐体下部的空气置换管和连通在压送罐体上部的加压管,空气置换管和加压管上均设置有电磁阀,电磁阀、含氧量检测仪均与控制器连接。上述膨胀珍珠岩恒压压送装置,所述压送罐体为立式压送罐体。上述膨胀珍珠岩恒压压送装置,调压管道还包括连通到压送罐底部的混料管,混料管上设置有电磁阀,混料管上的电磁阀与控制器连接。上述膨胀珍珠岩恒压压送装置,所述压送罐体侧壁设置有爬梯,在压送罐 ...
【技术保护点】
1.一种膨胀珍珠岩恒压压送装置,包括压送罐体(1),压送罐体(1)的顶部设置进料口(3),底部设置出料口中(4),其特征在于:在压送罐体底部设置有与压送罐体连通的调压管道,调压管道上设置有调压单元(10),调压单元(10)与控制器(11)连接,所述压送罐体顶部设置有排气管(14),排气管上设置有含氧量检测仪(12),所述调压管道包括连通在压送罐体下部的空气置换管(7)和连通在压送罐体上部的加压管(8),空气置换管(7)和加压管(8)上均设置有电磁阀,电磁阀、含氧量检测仪均与控制器连接。/n
【技术特征摘要】
1.一种膨胀珍珠岩恒压压送装置,包括压送罐体(1),压送罐体(1)的顶部设置进料口(3),底部设置出料口中(4),其特征在于:在压送罐体底部设置有与压送罐体连通的调压管道,调压管道上设置有调压单元(10),调压单元(10)与控制器(11)连接,所述压送罐体顶部设置有排气管(14),排气管上设置有含氧量检测仪(12),所述调压管道包括连通在压送罐体下部的空气置换管(7)和连通在压送罐体上部的加压管(8),空气置换管(7)和加压管(8)上均设置有电磁阀,电磁阀、含氧量检测仪均与控制器连接。
2.据权利要求1所述的膨胀珍珠岩恒压压送装置,其特征在于:所述压送罐体为立式压送罐体。
3.根据权利要求1所述的膨胀珍珠岩恒压压送装置,其特征在于:所述调...
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