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31results about How to "Equipment efficient" patented technology

A coking tail gas treatment device

The invention discloses a coking tail gas treatment device to solve the problems of water vapor, malodorous gas pollution, secondary pollution caused by the discharge of tail gas VOC and coke powder along with the tail gas in the existing delayed coking device. The coking tail gas treatment device includes a tail gas treatment tower. The tail gas treatment tower is sequentially composed of a desaturation section, a desulfurization section, a gas-liquid separation section and a settling section from top to bottom. A desulfurization section oil collecting tank is arranged below the desulfurization section in the tail gas treatment tower. Below the gas-liquid separation section, there are coke tower tail gas and other equipment in the coking unit to generate tail gas injection pipeline, coke tank tail gas injection pipeline, coke tower discharge steam injection pipeline, and the bottom of the tail gas treatment tower is provided with washing sewage extraction pipeline The lower part of the settling section is provided with a washing water extraction bucket, the upper part of the desulfurization section is provided with an absorbing liquid injection line, the lower part of the desulfurization section oil collection tank is provided with a desulfurization section oil collection tank extraction outlet, and the top of the tail gas treatment tower is provided with a desaturated coking tail gas pipeline.
Owner:CHINA PETROLEUM & CHEM CORP +2

Coking tail gas treatment method and coking tail gas treatment device

The invention discloses a coking tail gas treatment method and a coking tail gas treatment device. A purpose of the invention is to solve the problems of secondary pollution and the like caused by vapor and malodorous gas pollution and tail gas VOC and coke powder discharge along with tail gas of the coke pool and the coke powder of the existing delayed coking device. According to the device, cokepool tail gas, coke tower discharge steam, coke tower tail gas and tail gas generated by other equipment in a coking device enter the gas-liquid separation section of a tail gas treatment tower and are subjected to gas-liquid separation; the gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with an absorption liquid entering from the upper portion of the desulfurization section so as to be desulfurized; the desulfurized coking tail gas continuously rises to reach a desaturation section; after desaturation, the tail gas is discharged from the top ofthe tail gas treatment tower, VOC is removed, and then the tail gas is emptied; the rich absorption liquid is pumped out, pressurized and returned to the upper portion of the desulfurization section;after failure, the waste liquid is externally sent to a treatment unit; and the washing water containing solid particles in the tail gas treatment tower enters a settling section downwards, the washing sewage containing solid particles comes out from the bottom of the tail gas treatment tower, and the clarified washing water comes out from a washing water pumping hopper at the lower portion of thetail gas treatment tower and is pressurized so as to be recycled as circulating washing water.comes out from the top of the tail gas treatment tower, VOC is removed, and then the tail gas is emptied;the rich absorption liquid is pumped out, pressurized and returned to the upper portion of the desulfurization section; after failure, the waste liquid is sent to a treatment unit; and the washing water in the tail gas treatment tower flows out downwards from the bottom of the tail gas treatment tower, one part is discharged out of the device, and the other part is pressurized and then recycled as circulating washing water.
Owner:CHINA PETROLEUM & CHEM CORP +2

Coking tail gas treatment process and coking tail gas treatment device

The invention discloses a coking tail gas treatment process and a coking tail gas treatment device. A purpose of the invention is to solve the problems of secondary pollution and the like caused by vapor and malodorous gas pollution and tail gas VOC and coke powder discharge along with tail gas of the existing delayed coking device. According to the device, coke pool tail gas, coke tower dischargesteam, coke tower tail gas and tail gas generated by other equipment in a coking device enter the gas-liquid separation section of a tail gas treatment tower and are subjected to gas-liquid separation; the gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with an absorption liquid entering from the upper portion of the desulfurization section so as to be desulfurized; the desulfurized coking tail gas is discharged from the top of the tail gas treatment tower, enters a desaturator and is desaturated; the desaturated coking tail gas is discharged fromthe desaturator, VOC is removed, and then the tail gas is emptied; the rich absorption liquid is pumped out, pressurized and then returned to the upper portion of the desulfurization section; after failure, the waste liquid is externally sent out to a treatment unit and is treated; and the washing water in the tail gas treatment tower flows out downwards from the bottom of the tail gas treatmenttower, one part is discharged out of the device, and the other part is pressurized and then recycled as circulating washing water.
Owner:CHINA PETROLEUM & CHEM CORP +2

Coking tail gas treatment process and coking tail gas treatment device

The invention discloses a coking tail gas treatment process and a coking tail gas treatment device. A purpose of the invention is to solve the problems of secondary pollution and the like caused by vapor and malodorous gas pollution and tail gas VOC and coke powder discharge along with tail gas of the existing delayed coking device. According to the device, coke pool tail gas, coke tower dischargesteam, coke tower tail gas and tail gas generated by other equipment in a coking device enter the gas-liquid separation section of a tail gas treatment tower and are subjected to gas-liquid separation; the gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with an absorption liquid entering from the upper portion of the desulfurization section so as to be desulfurized; the desulfurized coking tail gas continuously rises to reach a desaturation section; after desaturation, the tail gas is discharged from the top of the tail gas treatment tower, VOC isremoved, and then the tail gas is emptied; the rich absorption liquid is pumped out, pressurized and returned to the upper portion of the desulfurization section; after failure, the waste liquid is externally sent to a treatment unit; and the washing water containing solid particles in the tail gas treatment tower enters a settling section downwards, the washing sewage containing solid particlescomes out from the bottom of the tail gas treatment tower, and the clarified washing water comes out from a washing water pumping hopper at the lower portion of the tail gas treatment tower and is pressurized so as to be recycled as circulating washing water.
Owner:CHINA PETROLEUM & CHEM CORP +2
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