空气的精馏过程： 利用氧、氮的沸点不同，混合液体吸收上升蒸汽的热量而部

The rectification process of air: <br>the boiling points of oxygen and nitrogen are different. The mixed liquid absorbs the heat of rising steam and partially evaporates. The nitrogen with lower boiling point evaporates more, while the rising steam releases heat and partially condenses. The oxygen with higher boiling point There is more condensation, so that the nitrogen concentration in the vapor is getting higher and higher, and the oxygen concentration in the liquid is getting higher and higher. In this way, the entire rectification process is completed through multiple partial evaporations and partial condensations, so as to remove Separated from nitrogen. <br>The fractionation tower system is the core system of the air separation plant, and its role is to use the low-temperature rectification method to separate the raw material air into oxygen and nitrogen products. The fractionation tower system adopts structured packed tower technology, which has high oxygen extraction rate and low energy consumption. The lower tower adopts a four-overflow tray technical process dedicated to large-scale air separation equipment. Rate, reduce the displacement of the raw material air compressor and reduce energy consumption. <br>Adopt full immersion operation mode, no dry evaporation will occur, so that the hydrocarbons in the liquid oxygen inside the unit will not be concentrated. When the liquid oxygen operation level is lower than 80% of the height of the main condensing evaporator plate unit, the alarm system immediately alarms. <br>The use of fins with larger intercepts makes the flow of liquid oxygen smoother and less likely to block the channel, and reduces the static electricity generated by the tiny particles, which fundamentally solves the problem of safety explosion-proof inside the main cooling. There is a grounding protection device on the liquid oxygen side. <br>In the entire liquid oxygen tank, maintain a higher circulation rate on the liquid oxygen side, and by increasing the liquid oxygen discharge, no condensation of flammable compounds will occur at the bottom of the liquid oxygen. <br>Using different boiling points of oxygen and nitrogen, the mixed liquid absorbs the heat of the rising steam and partially evaporates. The nitrogen with a lower boiling point evaporates more, and the rising steam releases heat to partially condense. The nitrogen concentration in the steam is getting higher and higher, and the oxygen concentration in the liquid is getting higher and higher. In this way, the entire rectification process is completed through multiple partial evaporations and partial condensations, thereby separating the oxygen and nitrogen in the air. <br>The fractionation tower system is the core system of the air separation plant, and its role is to use the low-temperature rectification method to separate the raw material air into oxygen and nitrogen products. The fractionation tower system adopts structured packed tower technology, which has high oxygen extraction rate and low energy consumption. The lower tower adopts a four-overflow tray technical process dedicated to large-scale air separation equipment. Rate, reduce the displacement of the raw material air compressor and reduce energy consumption.

The distillation process of air:<br> Using oxygen, nitrogen boiling point is different, the mixed liquid absorbs the heat of rising steam and partial evaporation, the boiling point of the lower nitrogen more evaporation, and the rising steam in the release of heat and part condensation, boiling point of higher oxygen more condensation, so that the concentration of nitrogen in the vapor is higher and higher, the oxygen concentration in the liquid is also higher and higher, so that through multiple partial evaporation and partial condensation to complete the whole distillation process, so as to separate the air oxygen and nitrogen.<br>The fractionation tower system is the core system of the air separation device, and its function is to separate the raw material air into oxygen and nitrogen products by using low-temperature distillation method. The fractionation tower system adopts the technology of regular filling tower, has high oxygen extraction rate and low energy consumption, and the lower tower adopts the technology process of the four overflow tower plate specially designed for large-scale air separation equipment, and sets up to increase the crude radon efficiency tower, improve the air-separation oxygen extraction rate, reduce the displacement of the raw material air compressor, and reduce energy consumption.<br>The full immersion operation method does not produce dry evaporation, so that the hydrocarbons in the liquid oxygen inside the unit are not concentrated. The alarm system immediately alerts the liquid oxygen operating level below 80% of the height of the main condensate evaporator plate unit.<br>The use of large-range fins, so that the liquid oxygen flow more smooth and not easy to block the channel, and reduce the static electricity generated by small particles, from the structure of the basic solution to the main cold internal safety and explosion-proof problem. A ground protection is provided on the liquid oxygen side.<br>In the entire liquid oxygen large pool, maintain a high cycle ratio on the liquid oxygen side, and increase the liquid oxygen emissions so that the bottom of the liquid oxygen does not appear flammable compound condensation.<br>Using oxygen, nitrogen boiling point is different, the mixed liquid absorbs the heat of rising steam and partial evaporation, the boiling point of the lower nitrogen more evaporation, and the rising steam in the release of heat and part condensation, boiling point of higher oxygen more condensation, so that the concentration of nitrogen in the vapor is higher and higher, the oxygen concentration in the liquid is also higher and higher, so that through multiple partial evaporation and partial condensation to complete the whole distillation process, so as to separate the air oxygen and nitrogen.<br>The fractionation tower system is the core system of the air separation device, and its function is to separate the raw material air into oxygen and nitrogen products by using low-temperature distillation method. The fractionation tower system adopts the technology of regular filling tower, has high oxygen extraction rate and low energy consumption, and the lower tower adopts the technology process of the four overflow tower plate specially designed for large-scale air separation equipment, and sets up to increase the crude radon efficiency tower, improve the air-separation oxygen extraction rate, reduce the displacement of the raw material air compressor, and reduce energy consumption.

Distillation process of air:<br>Using the different boiling points of oxygen and nitrogen, the mixed liquid absorbs the heat of rising steam and evaporates part of it. The nitrogen with lower boiling point evaporates more, while the rising steam emits heat and condenses part of it. The oxygen with higher boiling point condenses more, so the nitrogen concentration in the steam is higher and higher, and the oxygen concentration in the liquid is higher and higher, In this way, the whole distillation process is completed by multiple partial evaporation and partial condensation, thus separating the oxygen and nitrogen in the air.<br>The fractionator system is the core system of the air separation unit. Its function is to separate the raw air into oxygen and nitrogen products by low temperature distillation. The fractionator system adopts structured packing tower technology, which has high oxygen extraction rate and low energy consumption. The lower tower adopts the technical process of four overflow tray specially used for large-scale air separation equipment, and is equipped with a crude argon synergist to improve the oxygen extraction rate of air separation, reduce the discharge capacity of raw air compressor and reduce energy consumption.<br>Adopting the full immersion operation mode, there will be no dry evaporation, so that the hydrocarbon in the liquid oxygen inside the unit will not be concentrated. When the liquid oxygen operating level is lower than 80% of the plate unit height of the main condensing evaporator, the alarm system will give an alarm immediately.<br>The fins with larger intercept are used to make the flow of liquid oxygen more unobstructed and not easy to block the passage, and reduce the static electricity generated by small particles, which fundamentally solves the problem of safety and explosion-proof inside the main cooling system. The liquid oxygen side is provided with a grounding protection device.<br>In the whole large liquid oxygen tank, keep a high circulation ratio on the liquid oxygen side, and increase the liquid oxygen emission to prevent the condensation of flammable compounds at the bottom of the liquid oxygen.<br>Using the different boiling points of oxygen and nitrogen, the mixed liquid absorbs the heat of rising steam and evaporates part of it. The nitrogen with lower boiling point evaporates more, while the rising steam emits heat and condenses part of it. The oxygen with higher boiling point condenses more, so the nitrogen concentration in the steam is higher and higher, and the oxygen concentration in the liquid is higher and higher, In this way, the whole distillation process is completed by multiple partial evaporation and partial condensation, thus separating the oxygen and nitrogen in the air.<br>The fractionator system is the core system of the air separation unit. Its function is to separate the raw air into oxygen and nitrogen products by low temperature distillation. The fractionator system adopts structured packing tower technology, which has high oxygen extraction rate and low energy consumption. The lower tower adopts the technical process of four overflow tray specially used for large-scale air separation equipment, and is equipped with a crude argon synergist to improve the oxygen extraction rate of air separation, reduce the discharge capacity of raw air compressor and reduce energy consumption.<br>