Device and method for synthesizing ethylene bis-fatty acid amide by continuous flow
A technology of fatty acid amide and ethylene bis, applied in the field of ethylene bis fatty acid amide synthesis, can solve the difficulty in forming large-scale and intelligent industrialization technology, influence product market development and high value-added, ammonium salt intermediate product color. To solve problems such as depth and depth, to achieve the effect of shortening material residence and reaction time, good product quality consistency and stability, and reducing labor intensity
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[0059] Example 1
[0060] Fatty acid specifically selects stearic acid, takes stearic acid and ethylenediamine as raw materials, utilizes figure 1 Shown device carries out the method for continuous flow synthesis of ethylene bis-stearic acid amide (EBS), comprises the following steps:
[0061] The stearic acid is stored in the fatty acid storage tank 1, the temperature of the control fatty acid storage tank 1 is 110 ± 2 ℃, and is continuously pumped into the microchannel mixing reactor 5 by the fatty acid metering pump 2, and the flow rate of the stearic acid is 300kg / h ; Ethylenediamine is stored in the ethylenediamine storage tank 3, the temperature of the control ethylenediamine storage tank 3 is 75 ± 2 ℃, and is continuously pumped into the microchannel mixing reactor 5 by the ethylenediamine metering pump 4, and the ethylenediamine The flow rate of amine is 33.2kg / h;
[0062] The temperature (T1) in the microchannel mixing reactor 5 is controlled to be 140±2°C, the pres...
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[0067] Example 2
[0068] The fatty acid is specifically selected from oleic acid, using oleic acid and ethylenediamine as raw materials, using figure 1 Shown device carries out the method for continuous flow synthesis of ethylene bisoleic acid amide (EBO), comprises the following steps:
[0069]The oleic acid is stored in the fatty acid storage tank 1, the temperature of the fatty acid storage tank 1 is controlled to be 80 ± 2 °C, and the fatty acid metering pump 2 is continuously pumped into the microchannel mixing reactor 5, and the flow rate of the oleic acid is 200kg / h; The ethylenediamine is stored in the ethylenediamine storage tank 3, the temperature of the ethylenediamine storage tank 3 is controlled to be 70±2°C, and the ethylenediamine metering pump 4 is continuously pumped into the microchannel mixing reactor 5. The flow rate is 21.2kg / h;
[0070] The temperature (T1) in the microchannel mixing reactor 5 is controlled to be 95±2°C, the pressure (P1) at the outlet...
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