Method and device for continuously feeding low-boiling material to high-pressure device
A high-pressure device and low-boiling-point technology, applied in the direction of using atmospheric pressure to chemically change substances, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of easy vaporization, easy generation of bubbles at the feed pump, and abnormal Feed and other issues to achieve the effect of ensuring continuity, reducing pump stop problems, and ensuring stability
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Embodiment 1
[0029] figure 1 The schematic diagram of the connection structure can be applied to the direct amination of isobutene to produce tert-butylamine synthesis reaction device (reaction system pressure is 5.0MPa) with low boiling point and easy vaporization material liquid ammonia (boiling point at normal pressure -33.5°C, saturated vapor pressure at normal temperature 0.922MPa (25 ℃)) feed.
[0030] The device includes the following components: low boiling point material storage tank (liquid ammonia storage tank) V-1, (liquid ammonia) pressure-resistant buffer tank V-2, protective gas (nitrogen) cylinder V-3, (liquid ammonia corrosion-resistant) inlet Material pump P-1, low-boiling point material (ammonia) absorption tank V-4, low-boiling point material (ammonia) absorption tank V-5, pressure-resistant (liquid ammonia corrosion-resistant) level gauge LA, corrosion-resistant ball valve HV1~ 7. Pressure reducing valve PCV-1, pressure gauge PI1~2;
[0031] The pipeline L1 is connec...
Embodiment 2
[0041] figure 1 The schematic diagram of the connection structure can be applied to the direct amination of isobutene to tert-butylamine synthesis reaction device (reaction system pressure is 5.0MPa) isobutene, a low-boiling and easy-to-vaporize material (boiling point at normal pressure -6.9°C, saturated vapor pressure at normal temperature 0.285MPa (25°C )) feed.
[0042] The device includes the following components: low boiling point material (isobutylene) storage tank V-1, (isobutylene) pressure buffer tank V-2, protective gas (nitrogen) cylinder V-3, (isobutylene corrosion resistant) feed pump P-1 , Low-boiling point material (isobutylene) absorption tank V-4, low-boiling point material (isobutylene) absorption tank V-5, pressure-resistant (isobutylene-resistant) liquid level gauge LA, corrosion-resistant ball valve HV1~7, pressure reducing valve PCV-1 , Pressure gauge PI1~2;
[0043] The pipeline L1 is connected to the bottom pipe of the isobutylene storage tank V-1, t...
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