Spare adsorption method for recovering oil gas
An oil and gas, adsorption tank technology, applied in separation methods, chemical instruments and methods, containers, etc., can solve the problems of insufficiency, oil and gas treatment failure, and the adsorption capacity of adsorption equipment cannot be improved accordingly, and achieves low cost, continuous and effective treatment. Effect
Active Publication Date: 2011-07-20
NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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Problems solved by technology
[0004] The above-mentioned adsorption equipment has the following problems: when the daily or hourly treatment capacity increases suddenly for some reason, the adsorption capacity of the adsorption equipment cannot be increased accordingly, and cannot meet the requirements of actual working conditions, resulting in failure of oil and gas treatment and excessive emission of gas.
If in order to cope with the sudden increase in the processing capacity, a design with a larger processing capacity is adopted as a whole, such as increasing the capacity of the vacuum system used for regeneration and the subsequent absorption tower, but this will cause waste of equipment investment
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[0012] The oil and gas backup adsorption method of the present invention is suitable for the treatment of organic mixed gases produced during the loading process of light oil products such as gasoline, benzene, solvent oil, etc., but is not limited thereto. Please refer to figure 1 As shown, the recovery device designed according to this method includes a first adsorption tank 1a, a second adsorption tank 1b, an adsorption backup tank 2, an inlet backup program-controlled valve 6, an outlet backup program-controlled valve 4, a regeneration backup program-controlled valve 5, and a purge backup program-controlled valve. Valve 3, vacuum system 7, etc.
[0013] Such as figure 1 As shown, the adsorption tank 1a and the adsorption tank 1b are respectively connected with the oil gas inlet pipeline 11, the vacuum regeneration pipeline 12, and the exhaust gas outlet pipeline 13, and automatic control valves are set on the three pipelines, and the two adsorption tanks 1a and 1b are aut...
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The invention discloses an oil gas recovery standby adsorption method used for a working condition that flux of the oil gas which is effectively disposed by an oil gas recovery device is suddenly increased. The adsorption method comprises that a first adsorption tank and a second adsorption tank are alternatively carried out adsorption and regeneration while a standby adsorption tank does not work; when detecting that the disposal quantity of the oil gas is increased, the disposed oil gas is adsorbed by passing through the standby adsorption tank and the first adsorption tank and the second adsorption tank sequentially enter a regeneration state. Till the standby adsorption tank is saturated, the first absorption tank and the second adsorption tank are alternatively carried out adsorptionand regeneration again. Therefore, the adsorption method of the invention can deal with the working condition that the disposal quantity is suddenly increased by using the standby adsorption tank, without obvious increment of investment.
Description
technical field [0001] The invention relates to an oil and gas adsorption process, in particular to a backup adsorption method for oil and gas recovery capable of dealing with the working condition where the oil and gas flow fluctuates greatly. Background technique [0002] Light oil products such as gasoline and highly volatile liquid products such as benzene will produce a large amount of oil and gas during transportation and loading and unloading. If this part of oil and gas is directly discharged into the atmosphere, it will have a negative impact on the atmospheric environment and cause energy loss in vain , and there are major security risks. In order to solve this problem, the current adsorption method recovers this part of oil and gas. [0003] At present, the adsorption equipment of the adsorption oil and gas recovery process has two adsorption tanks to switch between adsorption and regeneration in turn, that is, while one of the adsorption tanks is performing oil ...
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IPC IPC(8): B01D53/04B67D5/378B65D90/30B67D7/54
Inventor 张世程孙庆
Owner NO 711 RES INST CHINA SHIPPING HEAVY IND GRP