Method for reinforcing mixing effect of hydraulic reaction apparatus
A technology of reaction equipment and mixing effects, applied in chemical instruments and methods, chemical methods for reacting liquids and gaseous media, carbon monoxide reaction to prepare carboxylic acids, etc., can solve complex reactor structures, gas-liquid and liquid-liquid Problems such as unsatisfactory mixing effect
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Embodiment 1
[0020] use figure 1 The hydraulic reaction equipment shown includes an air outlet 1, a liquid injection device 2, an air inlet 5, a gas distributor 3, a liquid outlet 6, and a liquid inlet 4; wherein, the liquid inlet 4 and the air inlet 5 are located at At the bottom of the reaction equipment, the gas outlet 1 is located at the top, and the liquid outlet 6 is symmetrically arranged on both sides of the lower head at the bottom.
[0021] Among them, the distance h between the upper head and the liquid injection device 2 1 The distance h between the liquid injection device 2 and the gas distributor 3 2 The relationship is: h 2 :h 1 =0.05. The diameter of the reactor is 4000mm, the gas distributor is a double-ring gas distributor, the outer diameter is 2000mm, the inner diameter is 1000mm, the number of openings is 300, and the openings are equally spaced and evenly distributed. The gas distributor 3 is located 1000mm below the lower head. The liquid injection device is a ...
Embodiment 2
[0024] Same as [Example 1], only the distance h between the upper head and the liquid injection device 2 1 The distance h between the liquid injection device 2 and the gas distributor 3 2 The relationship is: h 2 :h 1 =0.1. The diameter of the reactor is 4000mm, the gas distributor is a double-ring gas distributor, the outer diameter is 2000mm, the inner diameter is 1000mm, the number of openings is 300, and the openings are equally spaced and evenly distributed. The gas distributor 3 is located 1000mm below the lower head. The liquid injection device is a reduced-bore tube type, with an inlet diameter of 300mm and an outlet diameter of 200mm.
[0025] The above-mentioned reactor is used in the reaction of synthesizing acetic acid from methanol. The raw material methanol, CO and catalysts undergo carbonylation reaction in the reactor under the conditions of 190°C and 3.0 MPa, and the gas-liquid and liquid-liquid mixing in the reactor is sufficient. The reaction result is...
Embodiment 3
[0027] Same as [Example 1], only the distance h between the upper head and the liquid injection device 2 1 The distance h between the liquid injection device 2 and the gas distributor 3 2 The relationship is: h 2 :h 1 =0.25. The diameter of the reactor is 4000mm, the gas distributor is a double-ring gas distributor, the outer diameter is 2000mm, the inner diameter is 1000mm, the number of openings is 300, and the openings are equally spaced and evenly distributed. The gas distributor 3 is located 1000mm below the lower head. The liquid injection device is a reduced-bore tube type, with an inlet diameter of 300mm and an outlet diameter of 200mm.
[0028] The above-mentioned reactor is used in the reaction of synthesizing acetic acid from methanol. The raw material methanol, CO and catalysts undergo carbonylation reaction in the reactor under the conditions of 190°C and 3.0 MPa, and the gas-liquid and liquid-liquid mixing in the reactor is sufficient. The reaction result i...
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