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    • 1. 发明授权
    • Oxygen gas manufacturing equipment
    • 氧气制造设备
    • US6082136A
    • 2000-07-04
    • US796746
    • 1997-02-07
    • Akira Yoshino
    • Akira Yoshino
    • F25J3/04F25J3/00
    • F25J3/0409F25J3/04024F25J3/04139F25J3/04193F25J3/04254F25J3/04321F25J3/04381F25J3/04412F25J2210/50
    • There are included a fractionating tower for liquefying and separating the compressed air cooled by heat exchangers to an ultralow temperature, a liquid oxygen takeout path for guiding the liquid oxygen in the above-mentioned fractionating tower to the above-mentioned heat exchangers to gasify so as to become a gasified oxygen, and a product oxygen gas takeout path which extends from the front end of the above-mentioned liquid oxygen takeout path and increases the temperature of the above-mentioned gasified oxygen so as to obtain a product oxygen gas, the above-mentioned liquid oxygen takeout path being provided with an oxygen gas pressurizing pump, and the above-mentioned product oxygen gas takeout path on the side upstream the above-mentioned heat exchangers being provided with an expansion turbine. In the present invention, the liquid oxygen taken out from the fractionating tower is pressurized in a liquid state, then introduced into the expansion turbine to generate a cold, which cold is fed to the heat exchangers, so that the cold is used as a cold source for the entire equipment to reduce the cost of generating the cold.
    • 包括用于液化和分离由热交换器冷却的压缩空气到超低温的分馏塔,用于将上述分馏塔中的液氧引导到上述热交换器的液氧取出路径以气化,以便 成为气化的氧气,以及从上述液氧取出路径的前端延伸的产物氧气取出路径,提高上述气化氧的温度,得到产物氧气,上述 所述液氧取出路径设置有氧气加压泵,并且在上述热交换器上游侧的上述产物氧气取出路径设置有膨胀涡轮机。 在本发明中,从分馏塔中取出的液态氧以液态加压,然后引入膨胀涡轮机产生冷,将冷进给到热交换器,使得冷用作冷 来源为整个设备降低产生冷的成本。
    • 8. 发明授权
    • Pulse tube refrigerator
    • 脉管冰箱
    • US5481878A
    • 1996-01-09
    • US243487
    • 1994-05-16
    • Zhu Shaowei
    • Zhu Shaowei
    • F25B9/00F25B9/14
    • F25B9/145F25B2309/1418F25B2309/1421F25B2309/1424F25B2309/1425
    • A high pressure valve and low pressure valve are positioned at a hot end of the pulse tube and two direction valves are positioned respectively between the high pressure reservoir, the low pressure reservoir and the pulse tube. In the pulse tube refrigerator wherein the cold is produced by time-phase displacement with orifice, an irreversible loss is caused when the gas passes through the orifice. However, the refrigeration in this invention comprising high and low pressure reservoirs, and open and close valves, all the energy can be converted without loss in adiabatic expansion of the gas in the pulse tube, theoretical efficiency is 100%.
    • 高压阀和低压阀定位在脉冲管的热端,两个方向阀分别位于高压储存器,低压储存器和脉冲管之间。 在其中通过具有孔口的时间位移产生冷的脉冲管制冷器中,当气体通过孔时,引起不可逆的损失。 然而,本发明的制冷装置包括高低压储罐和开关阀,所有的能量都可以在脉冲管中的气体的绝热膨胀中不损失地转化,理论效率为100%。