A desalting top circulation system consists of a fractionator, a desalting tank and a first oil and gas pipeline. The fractionator is connected to the front of the desalinization tank through the first oil and gas pipeline. The flow direction along the first oil and gas pipeline is in turn with a top evidence-based pump, a heat exchanger, a valve group and a water adding port. The rear part of the desalting tank passes through the second oil and gas pipeline and the fractionator. The top is connected, and there is a third oil and gas pipeline between the first oil and gas pipeline and the second oil and gas pipeline. One end of the third oil and gas pipeline is connected to the first oil pipe road after the valve group, and the other end of the third oil and gas pipeline is connected with the end of the second oil and gas pipeline. The utility model adopts the above scheme, and its structure is designed reasonably. By adding desalting tank in the top circulation system, the top circulation system and the top tray of the fractionator are effectively prevented from salt, the salt rate of the top circulation system is reduced, the maintenance cost of the equipment is saved, the service life of the equipment is increased and the raw material is better solved. The problem of complex oil transformation and coker mixing crude oil.
【技术实现步骤摘要】
一种脱盐顶循环系统
:本技术涉及一种脱盐顶循环系统。
技术介绍
:目前,在焦化装置中,由于延迟焦化的原料日益劣质化,原料的含盐量越来越高,顶循环系统结盐严重,对分馏塔顶循环系统的腐蚀日益加重,仅依靠缓蚀剂不能有效的缓解分馏塔顶循环系统的腐蚀,导致影响设备正常开工,叶轮磨损严重,设备寿命低,难以满足生产作业中的要求。
技术实现思路
:本技术为了弥补现有技术的不足,提供了一种脱盐顶循环系统,它系统设计合理,可防止顶循环系统以及分馏塔顶部塔盘结盐,降低了顶循环系统结盐速率,节约了设备维修成本,增加了设备使用寿命,解决了现有技术中存在的问题。本技术为解决上述技术问题所采用的技术方案是:一种脱盐顶循环系统,包括分馏塔、脱盐罐和第一油气管路,所述分馏塔通过第一油气管路与脱盐罐前部连通,所述第一油气管路上沿流体流向依次设有顶循泵、换热器、阀组和加水口,脱盐罐后部通过第二油气管路与分馏塔顶连通,在第一油气管路和第二油气管路之间设有第三油气管路,所述第三油气管路一端连接在阀组后的第一油气管路上,第三油气管路的另一端与第二油气管路的末端相连。所述脱盐罐的脱水包经调节阀与一汽油罐前部连通,汽油罐后部连通富气排放管路,汽油罐中部连通粗汽油泵,汽油罐的脱水包连通含硫污水泵。在脱盐罐上与调节阀后部的管路之间设有安全阀防空线。所述分馏塔顶与汽油罐前部之间设有冷却管路,所述冷却管路上沿流体流向依次设有空冷器和水冷器。本技术采用上述方案,它结构设计合理,通过在顶循环系统中加设脱盐罐,有效防止顶循环系统以及分馏塔顶部塔盘结盐,降低了顶循环系统结盐速率,节约了设备维修成本,增加了设备使用寿命,更好的解 ...
【技术保护点】
1.一种脱盐顶循环系统,其特征在于:包括分馏塔、脱盐罐和第一油气管路,所述分馏塔通过第一油气管路与脱盐罐前部连通,所述第一油气管路上沿流体流向依次设有顶循泵、换热器、阀组和加水口,脱盐罐后部通过第二油气管路与分馏塔顶连通,在第一油气管路和第二油气管路之间设有第三油气管路,所述第三油气管路一端连接在阀组后的第一油气管路上,第三油气管路的另一端与第二油气管路的末端相连。
【技术特征摘要】
1.一种脱盐顶循环系统,其特征在于:包括分馏塔、脱盐罐和第一油气管路,所述分馏塔通过第一油气管路与脱盐罐前部连通,所述第一油气管路上沿流体流向依次设有顶循泵、换热器、阀组和加水口,脱盐罐后部通过第二油气管路与分馏塔顶连通,在第一油气管路和第二油气管路之间设有第三油气管路,所述第三油气管路一端连接在阀组后的第一油气管路上,第三油气管路的另一端与第二油气管路的末端相连。2.根据权利要求1所述的一种脱盐顶循...
【专利技术属性】
技术研发人员:刘汉刚,康传晶,周德彬,娄凯,
申请(专利权)人:山东省岚桥石化有限公司,
类型:新型
国别省市:山东,37
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