A circulating fluidized bed reactor
A circulating fluidized bed and reaction device technology, which is applied in cracking, catalyst, organic chemistry, etc., can solve the problem of unsatisfactory separation effect of oil and gas, delay and catalyst, and achieve the effect of improving separation efficiency
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Embodiment 1
[0078] In this example, an alkane catalytic dehydrogenation reaction device is used as an example. figure 1 -2, 4-5 further describe the reaction apparatus of the present application in more detail.
[0079] like figure 1 As shown, the alkane catalytic dehydrogenation reaction unit includes a reactor 2 and a settler 7 of the reactor. The reactor 2 includes a dense phase section and a dilute phase conveying pipe 5 , and the dilute phase conveying pipe 5 extends into the settler 7 . Several layers of grids 3 are arranged in the dense phase section.
[0080] The settler 7 includes a swirl rapid separation assembly 6 , and the swirl rapid separation assembly 6 includes a first flow splitting member 61 , a second flow splitting member 62 , and further includes a third flow splitting member 63 . The first, second and third splits are all located above the reactor outlet.
[0081]Even if the swirl rapid separation assembly only includes the first split 61 and the second split 62,...
experiment example 1
[0103] In addition to the different components of the fast separation, other structural references of other reaction devices such as figure 1 shown. In the reaction device of this experimental example, a conical shunt is set above the outlet of the dilute phase conveying pipe in the settler, such as image 3 As shown in the figure, the cross-sectional area of the lower edge of the diverter is 3 times the cross-sectional area of the outlet of the dilute phase conveying pipe, the angle between the conical generatrix of the diverter and the bottom surface is 60°, and the position of the diverter and the outlet of the dilute phase conveying pipe is formed by The area of the annulus is 1.5 times the area of the outlet of the dilute phase delivery pipe. The lower edge of the flow divider is located in the dense phase section of the settler, and the lower edge of the flow divider is 2m away from the dilute dense phase interface in the settler. The linear velocity at the out...
experiment example 2
[0105] Other conditions remain unchanged. This is the experimental example of the swirl fast separation assembly using the attached figure 1 Composite shunt shown. as attached Figure 5 As shown, the angle between the conical generatrix and the bottom surface of the first, second and third shunt parts are all 60°, the bottom surface of the first shunt part is higher than the outlet of the dilute phase conveying pipe, and the distance between the first shunt part and the outlet of the dilute phase conveying pipe is The area of the annulus formed by the area of the annulus (fluid flow area) is 2.5 times the area of the outlet of the dilute phase conveying pipe, and the bottom area of the second shunt is 3 times the cross-sectional area of the outlet of the dilute phase conveying pipe. The distance from the second splitting piece is 1.2 times the diameter of the dilute phase delivery pipe outlet, the top outlet area of the second splitting piece is equal to the dilut...
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