Separation flash device
A flash evaporation device and flash evaporation technology are applied in the field of gas-liquid separation, flash evaporation and vent liquid separation in the petrochemical industry. It can solve the problems of large station area, complicated pipeline installation, and long construction period, etc., to reduce the occupied area. area, reducing equipment installation and pipe network construction, and shortening the construction period
Active Publication Date: 2017-04-05
PETROCHINA CO LTD
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Problems solved by technology
The separator 1 and the flash separator tank 2 in the above process are two pieces of equipment, the investment is relatively high, the site covers a large area, the installation of pipelines between the equipment is complicated, and the construction period is long
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[0014] The cylindrical inner chamber of the device is divided into a gas-liquid separation chamber 11 and a flash liquid separation chamber 12 by an arc-shaped plug 18;
[0015] The gas-liquid separation chamber 11 is provided with a separation chamber inlet 13 and a separation chamber gas outlet 14. The gas-liquid separation chamber 11 is connected to the separation chamber liquid storage pipe 16 located below it, and the separation chamber liquid storage pipe 16 is provided with a separation chamber liquid discharge Port 15 and the maintenance blind plate 17 of the liquid storage tube in the separation chamber;
[0016] The flash liquid separation chamber 12 is provided with an air inlet 20 and an air outlet 21 for venting the air from the main pipe, and is provided with a liquid separation chamber liquid inlet 19 connected to the liquid discharge port 15 of the separation chamber, and the flash liquid separation chamber 12 is connected to the The liquid storage pipe 24 of t...
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The invention discloses a separation flash-distillation plant which aims to reduce the yard equipment, lower the investment and shorten the construction cycle. The plant is divided into a gas-liquid separation cavity and a flash distillation liquid separation cavity by a plug; the gas-liquid separation cavity is provided with a gas inlet and a gas outlet, and communicated with a separation cavity liquid storage pipe provided with a liquid discharge port and an overhaul blind plate; the flash distillation liquid separation cavity is provided with a gas inlet and a gas outlet of gas from an emptying main pipe, and provided with a liquid separation cavity liquid inlet communicated with the separation cavity liquid discharge port; and the flash distillation liquid separation cavity is communicated with the liquid separation cavity liquid storage pipe provided with the liquid discharge port and overhaul blind plate. The separation flash-distillation plant integrates the functions of separation, flash distillation and liquid separation of the conventional separator and the flash distillation liquid separation tank, is capable of reducing the arrangement of the yard equipment, reducing the occupied area of the gas gathering station, reducing the equipment installation and pipe network construction, shortening the construction cycle and lowering the engineering investment, and is convenient for skid mounting.
Description
technical field [0001] The invention relates to a separation and flash evaporation device, which belongs to the technical field of gas-liquid separation, flash evaporation and vent liquid separation in the petrochemical industry. Background technique [0002] In natural gas stations in the oil and gas industry and the petrochemical industry, the raw gas generally contains oil and water. liquid, and set up a vent liquid separation tank with functions of vent liquid separation and produced water flash evaporation. Before the venting main pipe is connected to the flare, the liquid should be separated by venting the liquid separation tank, so as to avoid the oil and water being taken out of the flare when the feed gas is vented to form a "fire rain", which endangers the safety of the station. In addition, the produced water should be separated by the flash separator to reduce the on-site discharge of dissolved gas and reduce the environmental impact. [0003] figure 1 It is a...
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IPC IPC(8): C10L3/10
Inventor 何宗平郑欣王登海刘银春张磊杨建东吴俊锋李彬胡涛范君来苏海平安维杰李静
Owner PETROCHINA CO LTD