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Wax extraction automatic filter, backwashing system of Ft synthetic pulp bed reactor

A technology of Fischer-Tropsch synthesis and slurry bed, which is applied in the fields of filtration and separation, preparation of liquid hydrocarbon mixture, recovery of petroleum wax, etc. It can solve the difficulty of increasing liquid-solid separation and the load of gas-solid separation, catalyst particle damage, and inconvenient operation of the reactor and other problems, to achieve the effect of short flow, small catalyst wear, and reduced chance of clogging

Active Publication Date: 2009-04-29
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the process route is long, and the transmission of the suspension drawn from the slurry bed reactor and its return to the slurry bed reactor, as well as the power of the filtered catalyst slurry are all provided by pumps, which is very easy in this process. Causes damage to catalyst particles, increases the difficulty of liquid-solid separation and the load of gas-solid separation, and requires regular replenishment of the catalyst in the reactor, thus causing inconvenience to the long-term operation of the reactor

Method used

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  • Wax extraction automatic filter, backwashing system of Ft synthetic pulp bed reactor
  • Wax extraction automatic filter, backwashing system of Ft synthetic pulp bed reactor
  • Wax extraction automatic filter, backwashing system of Ft synthetic pulp bed reactor

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Embodiment Construction

[0025] The present invention will be further elaborated below through examples and in conjunction with the accompanying drawings, but the present invention is not limited thereto.

[0026] Such as figure 1As shown in the process flow chart of the wax extraction automatic filtration and backwashing system used in the Fischer-Tropsch synthesis slurry bed reactor, the synthesis gas enters the slurry bed reactor injected with a certain concentration and a certain level of catalyst slurry through the distributor in the device In 1, react at a temperature of 250°C and a pressure of 3.0 MPa, and the light oil gas produced is discharged from the top of the slurry bed reactor 1; the catalyst slurry in the slurry bed reactor 1 is drawn out from the side line into the bottom of the slurry buffer tank 2, and passed through the gas Liquid separation, the gas phase part is returned to the slurry bed reactor 1 from the upper part of the slurry buffer tank 2; the catalyst slurry enters the ou...

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Abstract

The invention discloses a wax extraction automatic filtration and backwashing system used for Fischer-Tropsch synthesis slurry reactor, comprising a filter unit and a backwashing unit, wherein, the filter unit comprises a slurry buffer tank, a wax device external filter (30), a coarse wave outcome buffer tank (4), a wax fine filter (5) and a wax product buffer tank (6); and the backwashing system comprises a washing wax pump (7) and a backwashing wax buffer tank (8). The wax extraction automatic filtration and backwashing system has the advantages of reasonable structure, short flow, low energy dissipation, avoiding the blocking or reverse flowing, reducing the damage of catalyst grains, and achieving the stable and continuous running of the Fischer-Tropsch synthesis slurry reactor.

Description

technical field [0001] The invention relates to an automatic wax extraction filtering and backwashing system of a continuously operating slurry bed reactor, which is suitable for the Fischer-Tropsch synthesis reaction process of synthesis gas. Background technique [0002] Fischer-Tropsch synthesis refers to synthesis gas (H 2 +CO) is a reaction process for synthesizing hydrocarbon liquid fuels and high value-added chemicals under catalyst, suitable reaction temperature and reaction pressure. Coal or natural gas is transformed into high-quality liquid fuels and high value-added chemicals through F-T synthesis reaction, which not only uses coal resources reasonably, efficiently and cleanly, but also makes up for the relative shortage of petroleum resources, making Fischer-Tropsch synthesis technology researched and developed by various countries Institutions and industries attach great importance to it. [0003] The Fischer-Tropsch synthesis process is a strongly exothermic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/00B01J8/22B01D37/00B01D35/02C07C1/04C10G2/00C10G73/02
Inventor 石玉林王洪学卜亿峰吕毅军罗峰门卓武
Owner CHNA ENERGY INVESTMENT CORP LTD
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