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换热器腐蚀的防范

 

  安全效益油气如果不被回收,这种气体扩散在装油台区域,再与空气混合,很易形成爆炸气体,由于油气量较大对装油作业安全极为不利,一不小心易引起燃烧爆炸。回收后使装油台消除了安全生产中一个极重要的隐患因素。生产操作改造后的油气回收流程较短,换热器工艺条件易操作,操作工每班2个人就可以保证装置正常运行。

Safety benefit of oil and gas if not be recovered and the gas diffusion in oil and Taiwanarea, and then mixed with the air, is easy to form gas explosion, due to oil and gas production is larger is extremely detrimental to safe operation of oil, one not careful easy to cause combustion and explosion. After the recovery of the oil table to eliminate the safe production of a very important risk factors. Production operation after the transformation of oil and gas recovery process shorter, process conditions and easy operation operator 2 people in each class can ensure the normal operation of the device.

通过对富气的安全性、装置的处理量、工艺设备热量平衡模拟计算等方面的分析论证,利用现有设备改用柴油吸收油气的改造方案是可行的。为了进一步改善换热器装置的性能,建议:

It is feasible to use the existing equipment to use diesel oil to absorb oil www.hreqi.com   and gas by analyzing and demonstrating the safety of the gas, the processing capacity of the device, the calculation of the heat balance of the process equipment and so on. In order to further improve the performance of the device, the proposed:

1)同时启动2台贫油泵增加吸收剂量,把柴油人塔温度降低到最低,假定为32℃,通过模拟计算回收量可增加20Okg/h。但循环水量需要提到3ot/h,二级换热器的面积需增加304OmZ

(1) at the same time to start the 2 pumps to increase the absorption dose, the diesel tower temperature to a minimum, assuming a 32 c, calculated by the analog recovery can be increased by 20Okg/h. However, the circulating water needs to be mentioned in 3ot/h, the area of the two stage heat exchanger needs to be increased by 30 4OmZ.

2)提高罗茨风机的压力增加塔内吸收压力,从而提高吸收率。

(2) improve the blower pressure increase in absorption tower pressure, so as to improve the absorption rate.

3)用水作为喷射器的流体力,可节约柴油循环量,通过改造提高液分离罐的分离能力,使水与柴油分离彻底。

(3) the use of water as a jet of fluid force, can save diesel cycle, through the transformation to improve the separation capacity of the liquid separation tank, so that the separation of water and diesel completely.

4)设法降低柴油的吸收温度,从而提高吸收塔的效率。

  (4) to try to reduce the absorption temperature of diesel fuel, so as to improve the efficiency of the absorption tower.