Partitioned circulation flow reactor with multiple diversion pipes in array distribution
The technology of a loop reactor and a draft tube is applied in chemical methods, chemical instruments and methods, and chemical/physical processes for reacting liquids and gaseous media. Overcome the effect of insufficient circulation driving force and simple structure
Inactive Publication Date: 2015-01-28
CHINA UNIV OF PETROLEUM (BEIJING)
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However, the loop driving force required by the loop reactor with this structure is relatively large
Therefore, there are certain restrictions on the scope of application
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[0015] refer to Figure 1 to Figure 3 , the partition type loop reactor of multi-drain tube array distribution that the present invention proposes, mainly by outer cylinder (1), draft tube (2), gas distributor (3), clapboard (4), upper discharge port (5), composed of the lower discharge port (6). A plurality of guide tubes (2) are installed inside the outer cylinder of the reactor (1), the distribution of the guide tubes (2) is a square array or an annular array, and the heights of the multiple guide tubes (2) are the same or different , the height of the diversion tube at the center is larger than that near the wall. The dividing plate (4) separates each diversion pipe (2), and the top of the dividing plate is consistent with the height of the diversion pipe, which is flush or inclined. The lower part of each guide pipe (2) is provided with a porous gas distributor or a single-hole gas nozzle.
[0016] The block-type loop reactor proposed by the present invention is suitab...
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A partitioned circulation flow reactor with multiple diversion pipes in array distribution mainly comprises an outer barrel (1), diversion pipes (2), gas distributors (3), partitions (4), an upper discharging opening (5), a lower discharging opening (6), and is characterized in that multiple diversion pipes (2) and multiple partitions (4) are mounted inside the outer barrel (1) of the partitioned circulation flow reactor; the diversion pipes (2) are distributed in a square array or an annular array; the multiple diversion pipes (2) have the same or different heights; the diversion pipes in the center are higher than that around the wall of the outer barrel (1); the partitions (4) partition all the diversion pipes (2); the tops of the partitions are as high as the diversion pipes and are flush or inclined; a porous gas distributor (3) or a single-pore gas nozzle is formed in the lower part of each diversion pipe (2). The partitioned circulation flow reactor with multiple diversion pipes in array distribution are simple in structure and easy to operate, has relatively good mass and heat transfer performance, and is suitable for occasions with large treatment amount.
Description
technical field [0001] The invention relates to an air-lift type gas-liquid circulation reactor, which belongs to the fields of petrochemical industry, environmental engineering, pharmacy, food and the like. Background technique [0002] The airlift loop reactor is developed on the basis of strengthening the bubble reactor in recent years. Because of its good mass transfer and heat transfer effect, it is easy to seal, and can carry out homogeneous and heterogeneous reactions between gas-liquid, liquid-liquid, gas-liquid-solid, suitable for use as flammable, explosive, Toxic chemical reactor. [0003] For applications with relatively high space and large processing capacity, in order to ensure sufficient contact between phases in the reactor, the reactor structure usually adopted is a multi-stage series airlift loop reactor. This multi-stage series loop reactor has a plurality of loop chambers arranged in series, and the residence time is relatively long. However, the loop...
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IPC IPC(8): B01J8/08B01J10/00
CPCB01J8/08B01J10/00
Inventor 王娟毛羽王江云
Owner CHINA UNIV OF PETROLEUM (BEIJING)