Gas recirculation type technique and device for regenerating desulfuration liquid for wet oxidation process
A wet oxidation method and recirculation technology, which is applied in the direction of combustible gas purification, combustible gas purification/transformation, chemical instruments and methods, etc., can solve environmental pollution and other problems, and achieve the effects of low head, small volume and reduced consumption
Active Publication Date: 2011-04-20
ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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[0005] The object of the present invention is to provide a gas recirculation type wet oxidation method desulfurization liquid regeneration process and device, the process recycles the separated gas after desulfurization, and sends it to the regeneration equipment to supplement the air consumption, which solves the problem of the separation gas being discharged into The problem of environmental pollution caused by the atmosphere also reduces the consumption of fresh air, saves energy, and improves the utilization rate of oxygen in the air
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[0017] Gas recirculation type wet oxidation desulfurization liquid regeneration process, this process is to recover and recycle the separated gas formed in the wet oxidation desulfurization process, and introduce the separated gas into the regeneration device, so that the unreacted air can participate in the reaction , To supplement the amount of fresh air; the ratio of the amount of circulating air to the amount of fresh air is (4-6):1.
[0018] see figure 1 , The gas recirculation type wet oxidation desulfurization liquid regeneration process adopts the regeneration tank device, the device includes a regeneration tank body, the top of the regeneration tank is regenerated after the gas outlet 1 is connected to the circulating gas pipe 17, the bottom of the circulating gas pipe 17 is connected to the device The circulating gas loop 12 at the bottom of the tower is connected, a blower 14 is provided at the bottom of the circulating gas pipe 17, and an outer mist trap 10 is provided...
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The invention relates to a gas-recycling wet type process for regenerating a desulfurizing solution through an oxidation process, and a device thereof. The regenerating process is to guide the separated gas into a regenerator circularly so that the incompletely reacted oxygen takes part in the reaction to replenish the usage of fresh air; and the device comprises a regenerating tower body, a regenerated gas outlet on the top part of the regenerating tower is connected with a recycle gas pipeline of which the bottom is communicated with a recycle gas circular canal arranged on the bottom of the regenerating tower. The regenerating process has the following advantages: 1) the separated gas after the desulfurization is reclaimed and is fed into the regenerator for replenishing the usage of air, which solves the problem that the separated gas is discharged into the atmosphere to cause environmental pollution, reduces fresh air consumption, saves energy source, and improves the utilizationrate of the oxygen in the air; and 2) the regenerating efficiency is high, the volume needed by the regenerator is small, the total height is low, the new air quantity is small, and the pumping head is low.
Description
Technical field [0001] The invention relates to a wet oxidation method desulfurization liquid regeneration process and device, in particular to a gas recycling type wet oxidation method desulfurization liquid regeneration process and device for recovering separated gas for recycling. Background technique [0002] The wet oxidation desulfurization liquid regeneration process uses air and desulfurization liquid to mix, and uses oxygen in the air to undergo an oxidation-reduction reaction with the desulfurization liquid to regenerate the desulfurization liquid. After gas-liquid separation, the desulfurization liquid is recycled; the separated gas is untreated. Discharge directly into the atmosphere. [0003] The disadvantage of the existing technology is that the utilization rate of oxygen in the regeneration air is low, and some beneficial components entrained in the separated gas are not fully utilized. This is because both the gas and liquid phases enter from the bottom of the equ...
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IPC IPC(8): B01D53/96B01D53/50B01D53/78C10K1/12
Inventor 吕成马增礼孟凡盛张美文
Owner ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC