Device for recovering oil gas by using condensing adsorptive process and device for switching absorption and desorption
The technology of a recovery device and adsorption method is applied in the field of switching devices, which can solve the problems of low vacuum degree and poor desorption effect, and achieve the effects of high vacuum degree, good cooling effect and simple control.
Inactive Publication Date: 2013-08-21
PETRO OIL & LUBRICANT RES INST OF THE GENERAL LOGISITIC DEPT OF PLA +1
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Problems solved by technology
[0008] The technical problem to be solved by the present invention is to provide an oil and gas recovery device using condensation adsorption method. The oil and gas recovery device uses a dry vacuum pump to overcome the existing defects of low vacuum and poor desorption effect, and the addition of absorption links can Effectively improve the effect of oil and gas recovery
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[0075] Such as Image 6 As shown, the condensing part 11 adopts a tubular heat exchanger to transfer part of the heat of the hot fluid to the refrigerant to reduce the temperature of the hot fluid. The heat exchanger includes a shell 110, a condenser tube 111, a refrigerant tube 112, a condenser tube 111, and a refrigerant. The pipes 112 are respectively arranged longitudinally and at intervals in the casing 110, the condensation portion oil and gas inlet 11 and the condensation portion oil and gas outlet 12 are connected to the condensation pipe 111, and the refrigerant inlet 13 and the refrigerant outlet 14 are connected to the refrigerant pipe 112. After the oil and gas enter the heat exchanger from the oil and gas inlet 11 of the condensing section, the condensed liquid oil is discharged from the oil outlet 15 of the condensing section, and the remaining oil and gas is discharged from the oil and gas outlet 12 of the condensing section after circulating and heat exchange as ...
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Abstract
The invention discloses a device for recovering oil gas by using a condensing adsorptive process and a device for switching absorption and desorption. The device comprises a condensing part, an adsorbing part, an absorbing part and a dry type vacuum pump, wherein the condensing part is provided with a condensing part oil gas inlet, a condensing part oil gas outlet and a condensing part oil outlet; the adsorbing part is provided with an adsorbing part oil gas inlet, an adsorbing part oil gas outlet and an exhaust hole, the adsorbing part oil gas inlet is connected with the condensing part oil gas outlet, and the exhaust hole is arranged at the top end of the adsorbing part; the absorbing part is provided with an absorbent inlet, an absorbing part oil gas inlet, an absorbing part oil inlet and an rich oil outlet; and the dry type vacuum pump is connected with the condensing part, the adsorbing part and the absorbing part and is provided with a vacuum pump oil inlet, a vacuum pump oil outlet, a vacuum pump oil gas inlet and a vacuum pump oil gas outlet, wherein the vacuum pump oil inlet is connected with the condensing part oil outlet, the vacuum pump oil outlet is connected with theabsorbing part oil inlet, the vacuum pump oil gas inlet is connected with the adsorbing part oil gas outlet, and the vacuum pump oil gas outlet is connected with the absorbing part oil gas inlet. In the invention, through condensation, adsorption and absorption, oil gas emission concentration detection value is not more than 5g / m<3> and recycling rate is not less than 99 percent.
Description
Technical field [0001] The invention relates to an oil and gas recovery device, in particular to an oil and gas recovery device using a condensation adsorption method and a switching device for adsorption and desorption in the oil and gas recovery device. Background technique [0002] Because gasoline and other volatile organic compounds (VOCs) are very easy to volatilize and cause very serious evaporation losses, the tank farms and oil loading platforms of oil depots and refineries are easily filled with "oil smell". These oil and gas evaporate in large quantities and are directly discharged into the atmosphere, which not only causes serious quantity loss and quality degradation, but also seriously pollutes the atmospheric environment, leaving a major fire hazard. Therefore, oil depots, oil refineries and other places must undergo oil and gas recovery treatment. [0003] The country has established a standard (GB20950-2007) to enforce the installation of oil and gas recovery devi...
Claims
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IPC IPC(8): B01D5/00B01D53/04
Inventor 傅苏红张卫华史新文张炳权曹广军陈刚李继锋张东生
Owner PETRO OIL & LUBRICANT RES INST OF THE GENERAL LOGISITIC DEPT OF PLA