Efficient oil-gas recovery adsorption tank regeneration device and method

A regeneration device and adsorption tank technology, which is applied in separation methods, filter regeneration, chemical instruments and methods, etc., can solve the problem of large processing capacity, the recovery of multi-substance mixed gas is not very applicable, and there is no multi-stage composite vacuuming method, etc. problems, to achieve the effect of low vacuum, stable airflow and large pumping capacity

Active Publication Date: 2019-01-04
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0003] In the prior art, the oil and gas recovery devices are all reused, and their regeneration methods are all composed of a simple liquid ring vacuum unit or a screw vacuum unit or a two-stage vacuumin

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  • Efficient oil-gas recovery adsorption tank regeneration device and method

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0016] The invention provides a high-efficiency oil and gas recovery adsorption tank regeneration device, such as figure 1 As shown, the device has low operating cost and stable operation.

[0017] Such as figure 1 The high-efficiency oil and gas recovery adsorption tank regeneration device shown includes a liquid ring vacuum unit 3, a Roots vacuum unit 4, a screw vacuum unit 6, a Roots vacuum unit 4 and a screw vacuum unit 6 connected to four adsorption tanks 1 through pipelines. connected in series and in parallel with the liquid ring vacuum unit 3; the outlet of the adsorption tank 1 is provided with an analytic valve 2, the pipeline between the liquid ring vacuum unit 3 and the adsorption tank 1 is provided with a program-controlled valve 17, the Roots vacuum unit 4 and t...

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Abstract

The invention discloses an efficient oil-gas recovery adsorption tank regeneration device. The regeneration device comprises a liquid loop vacuum unit, a Roots vacuum unit and a screw vacuum unit which are connected with an adsorption tank through a pipeline. The Roots vacuum unit is connected with the screw vacuum unit in series and connected with the liquid loop vacuum unit in parallel. An analyzing valve is arranged at the outlet of the adsorption tank. A first sequencing valve is arranged on a pipeline between the liquid loop vacuum unit and the adsorption tank. A second sequencing valve is arranged on a pipeline between the Roots vacuum unit and the screw vacuum unit and the adsorption tank. A heat exchanger is arranged between the Roots vacuum unit and the screw vacuum unit. The invention discloses an efficient oil-gas recovery adsorption tank regeneration method. When the efficient oil-gas recovery adsorption tank regeneration device is applied in an oil-gas recovery device witha large treatment amount, under the conditions of the same gas pumping rate and same gas pumping effect, investment can be greatly reduced, the gas ratio of early-stage gas flow to last-stage gas flow can be reduced, and the whole regeneration process is more stable to run.

Description

technical field [0001] The invention relates to a high-efficiency oil and gas recovery adsorption tank regeneration device and regeneration method, which are mainly used in oil and gas recovery devices with large processing capacity such as wharves and refineries in the process of loading and unloading volatile substances. Background technique [0002] The vacuum pressure in the oil and gas recovery device not only affects the tail gas concentration, but also affects the concentration of desorbed gas. The smoothness of operation of the device is therefore a very important operating parameter. [0003] In the prior art, the oil and gas recovery devices are all reused, and their regeneration methods are all composed of a simple liquid ring vacuum unit or a screw vacuum unit or a two-stage vacuuming method composed of a liquid ring vacuum unit or a screw vacuum unit. The multi-stage composite vacuum pumping method is not very suitable for the recovery of large-capacity, multi-...

Claims

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Application Information

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IPC IPC(8): B01J20/34B01D53/02
CPCB01D53/02B01D2259/40083B01J20/3491
Inventor 单晓雯张健中尹树孟程龙军
Owner CHINA PETROLEUM & CHEM CORP
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