Device and method for continuously rectifying 3-chloropropyl triethoxysilane
A chloropropyltriethoxysilane and ethanol rectification technology, which is applied in chemical instruments and methods, fractionation, compounds of elements of Group 4/14 of the periodic table, etc. Changes in temperature and pressure, low operability and other problems, to overcome the difficult control of temperature and pressure, improve equipment productivity, and have a broad market prospect.
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Embodiment 1
[0017] Attached below figure 1 The device and method for the continuous rectification of 3-chloropropyltriethoxysilane of the present invention are further described:
[0018] refer to figure 1
[0019] The 3-chloropropyltriethoxysilane continuous rectification device consists of two sets of ethanol rectification and separation devices with the same structure and 3-chloropropyltriethoxysilane rectification and separation devices through the delivery pipeline and transfer material The pumps are sequentially connected in series. The inlet of the first rectification tower 3 in the ethanol rectification separation device is connected with the transfer pump 2 and the crude product storage tank 1 through the transfer pipeline, and the top of the first rectification tower 3 is provided with a return pipeline, which is connected to the first condensing tank through the return pipeline. Device 4 is connected with ethanol finished product storage tank 5, and rectification first tower...
Embodiment 2
[0025] The device for the continuous rectification of 3-chloropropyltriethoxysilane in this embodiment is the same as that in Embodiment 1.
[0026] In the present embodiment, its method is as follows:
[0027] Wherein, step a) is identical with embodiment 1;
[0028] b) Control the reflux ratio at the top of the tower to be 5:1, the temperature at the top of the first rectification tower 3 is 78.0°C, the temperature at the bottom of the first rectification tower 3 is 100.0°C, and rectify under normal pressure, when the top of the first rectification tower 3 , after the temperature of the tower still was stable, the first rectifying tower 3 reached the total reflux state, and the continuous feeding in the first rectifying tower 3 was started to separate, and the continuous discharge from the top of the first rectifying tower 3 and the tower still, the first rectifying tower 3. After being condensed by the first condenser 4, the discharge from the top of the tower is stored in...
Embodiment 3
[0031] The device for the continuous rectification of 3-chloropropyltriethoxysilane in this embodiment is the same as that in Embodiment 1.
[0032] In the present embodiment, its method is as follows:
[0033] Wherein, step a) is identical with step a) in embodiment 1;
[0034] b) Control the reflux ratio at the top of the tower to 5:1, the temperature at the top of the first rectification tower 3 is 80.0°C, the temperature at the bottom of the first rectification tower 3 is 110.0°C, and rectify under normal pressure, when the top of the first rectification tower 3 , after the temperature of the tower still was stable, the first rectifying tower 3 reached the total reflux state, and the continuous feeding in the first rectifying tower 3 was started to separate, and the continuous discharge from the top of the first rectifying tower 3 and the tower still, the first rectifying tower 3. After being condensed by the first condenser 4, the discharge from the top of the tower is s...
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Abstract
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Application Information
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