Device and technique for preparing biological oil by microalgae hydrothermal liquefaction by using power plant extraction steam
A hydrothermal liquefaction and bio-oil technology, applied in the petroleum industry, liquid carbon-containing fuels, fuels, etc., can solve the problems of low heating rate and high energy consumption, achieve energy saving, reduce energy consumption, improve productivity and heat value effect
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Embodiment 1
[0032] The microalgae and ethanol are prepared according to the ratio of 1:8 to prepare the microalgae pulp. Each feeding amount is 1 / 3 of the volume of the interlayer 5 in the autoclave;
[0033] After the HZSM-5 catalyst is placed, start feeding. After the two-stage feeding is completed, hydrogen gas is introduced into the inner compartment 5 of the autoclave through the pneumatic conveying port 7, and the air in the inner compartment 5 of the autoclave is replaced twice to discharge the air;
[0034] Open the steam supply valve 11 of the inner compartment of the autoclave and the steam supply valve 10 of the outer compartment of the autoclave, and the four-pumped water steam of the steam turbine is divided into two ways to convey, and it is passed into the inner compartment 5 and the outer compartment 4 of the autoclave, and the inner layer of the autoclave 5 After reaching the pressure balance with the water vapor, close the valve 11 of the inner compartment of the autocla...
Embodiment 2
[0037] Prepare microalgae and ethanol at a ratio of 1:12 to prepare microalgae pulp. Each feeding amount is 2 / 3 of the volume of the interlayer 5 in the autoclave;
[0038] After placing the HZSM-5 catalyst, start feeding. After the two stages of feeding are completed, hydrogen gas is introduced into the inner compartment 5 of the autoclave through the pneumatic conveying port 7, and the air in the inner compartment 5 of the autoclave is replaced 3 times to discharge the air;
[0039] Open the steam supply valve 11 of the inner compartment of the autoclave and the steam supply valve 10 of the outer compartment of the autoclave, and the four-pumped water steam of the steam turbine is divided into two ways to convey, and it is passed into the inner compartment 5 and the outer compartment 4 of the autoclave, and the inner layer of the autoclave 5 After reaching the pressure balance with the water vapor, close the valve 11 of the inner compartment of the autoclave to stop the stea...
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