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Desulfurizer packing structure for desulfurization reactor and packing method thereof

A technology of desulfurization agent and reactor, which is applied in the field of desulfurization agent filling structure and its filling, can solve the problems that the device cannot run continuously and stably for a long period, the operation period of the desulfurization reactor is short, and the desulfurization agent cannot be fully utilized, etc., to achieve The effect is obvious, the effect of prolonging the operation period and prolonging the service period

Active Publication Date: 2016-03-30
盘锦北方沥青股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the fact that during the use of the existing iron oxide desulfurizer, the strength of the waste agent after sulfur absorption is greatly reduced, crushed and hardened, so that the desulfurizer in the lower part of the reactor cannot be fully utilized, and the operation cycle of the desulfurization reactor is short. , the problem that the device cannot run continuously and stably for a long period of time

Method used

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  • Desulfurizer packing structure for desulfurization reactor and packing method thereof
  • Desulfurizer packing structure for desulfurization reactor and packing method thereof
  • Desulfurizer packing structure for desulfurization reactor and packing method thereof

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Embodiment 1

[0038] image 3 The new desulfurizer type and mixed filling scheme adopted this time are shown in . The bottom of the desulfurization reactor is filled with Φ13 inert ceramic balls, the actual loading mass is 740kg, and the filling height is 150mm, forming the bottom layer of inert ceramic balls a1-1. The upper part of Φ13 inert ceramic balls is filled with 900kg of Φ6 inert ceramic balls, and the filling height is 160mm to form the bottom layer of inert ceramic balls b1-2. In the upper part of the bottom layer 1 of the inert ceramic ball, the desulfurizer is filled in four proportions, firstly, the iron oxide desulfurizer is filled separately, the filling height is 1000mm, the filling weight is 4320kg, and the filling density is 1.1364 tons / m 3 , forming the iron oxide desulfurizer layer 2. The upper part is zinc oxide: iron oxide is filled at a ratio of 5:5, the filling height is 930mm, the filling quality is 4125kg, and the filling density is 1.1668 tons / m 3 , forming th...

Embodiment 2

[0041] Figure 4 shows another desulfurizer mixed loading scheme. The difference between this desulfurizer mixed filling scheme and the previous scheme is that when zinc oxide: iron oxide is loaded at a ratio of 5:5, the filling height is changed to 1000mm, the filling mass is 4435kg, and the filling density is 1.1668 tons / m 3 . When the upper layer is zinc oxide: iron oxide is 7:3, the filling height is changed to 900mm, the filling quality is 3925kg, and the filling density is 1.1472 tons / m 3 . Then the upper layer is changed to one-time zinc oxide filling alone, the filling height is 2700mm, and the filling quality is 12385kg respectively. The packing density is 1.1598 tons / m 3 . After the desulfurizer is filled, fill with Φ13 inert ceramic balls, the filling mass is 1960kg, the filling height is 420mm, and the filling density is 1.2272 tons / m 3 .

[0042] The overall desulfurization agent of this kind of filling scheme is relatively reduced, which is economical and ...

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Abstract

The invention relates to a desulfurizer packing structure for a desulfurization reactor and a packing method thereof. The desulfurizer packing structure comprises the following layers from bottom to top: an inert porcelain ball base layer, an iron oxide desulfurizer layer, an iron oxide and zinc oxide first mixed desulfurizer layer, an iron oxide and zinc oxide second mixed desulfurizer layer, a zinc oxide desulfurizer layer, and an inert porcelain ball top layer. According to the packing method, the characteristics of two desulfurizers are combined, the desulfurizers namely iron oxide and zinc oxide are packed according to a certain mode; the zinc oxide desulfurizer is taken as the structure, and the ratio of zinc oxide desulfurizer is gradually decreased from 100% to 0% from the top. In the conventional desulfurization reactor, the iron oxide desulfurizer in the lower part of the desulfurization reactor should be completely replaced if the iron oxide cannot achieve deep desulfurization, and thus the long term stable operation of desulfurization reactor cannot be achieved; and the provided structure and method solve the problems mentioned above.

Description

technical field [0001] The invention relates to the technical field of circulating hydrogen dry desulfurization of a high-pressure hydrogenation device, in particular to a desulfurizer filling structure and a filling method for a desulfurization reactor. Background technique [0002] At present, there are two types of circulating hydrogen desulfurization technologies in high-pressure lubricating oil hydrogenation units: wet desulfurization and dry desulfurization. Wet desulfurization usually adopts alcohol amine desulfurizer absorption and regeneration process to remove hydrogen sulfide in circulating hydrogen, but the content of circulating hydrogen sulfur after desulfurization is still high (above 20ppm), and it is difficult to meet the requirement of noble metal catalysts for sulfur content in circulating hydrogen Require. Dry desulfurization usually uses iron oxide solid desulfurizer (iron oxide desulfurizer: fast sulfur absorption, strong capacity, large sulfur capacit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/82B01D53/52
CPCB01D53/52B01D53/82B01D2257/304
Inventor 侯金宝王学清杨伟孙福凯李强于浩淼张会范文博孙秀丽
Owner 盘锦北方沥青股份有限公司
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