CN219889982U - 以液氧为原料提取高纯氧的设备 - Google Patents
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000002994 raw material Substances 0.000 title claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000001301 oxygen Substances 0.000 title claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 44
- 238000001179 sorption measurement Methods 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 230000003197 catalytic effect Effects 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 78
- 239000007788 liquid Substances 0.000 claims description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910001868 water Inorganic materials 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/40—Processes or apparatus using other separation and/or other processing means using hybrid system, i.e. combining cryogenic and non-cryogenic separation techniques
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/82—Processes or apparatus using other separation and/or other processing means using a reactor with combustion or catalytic reaction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/04—Recovery of liquid products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
- F25J2215/56—Ultra high purity oxygen, i.e. generally more than 99,9% O2
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/50—Separating low boiling, i.e. more volatile components from oxygen, e.g. N2, Ar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/12—External refrigeration with liquid vaporising loop
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/40—Quasi-closed internal or closed external air refrigeration cycle
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
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Abstract
本实用新型涉及一种以液氧为原料提取高纯氧的设备,其包括主换热器、加热单元、催化单元、冷却单元、吸附单元、精馏塔;用于储存原料液氧的液氧罐经主换热器与加热单元的输入侧相连接,加热单元的输出侧与催化单元的输入侧相连接,催化单元的输出侧与冷却单元的输入侧相连接,冷却单元的输出侧与吸附单元的输入侧相连接,吸附单元的输出侧经主换热器与精馏塔的原料入口相连接,精馏塔的底部具有用于输出高纯液氧的产品出口。精馏塔的底部内设置有再沸器,顶部内设置有冷凝器;以液氧为原料提取高纯氧的设备还包括为再沸器提供热量、为冷凝器提供冷量的循环单元。本实用新型以液氧为原料而提取高纯氧,工艺简单、操作方便、效率较高。
Description
技术领域
本实用新型涉及一种以液氧为原料提取高纯氧的设备。
背景技术
现有技术中,提取高纯氧的设备通常配套在空分精馏制氩系统中,该方式工艺相对复杂、操作不便、效率也较低,且受制于空分系统的规模,产量有限。
发明内容
本实用新型的目的是提供一种工艺简单、操作方便、效率高的以液氧为原料提取高纯氧的设备。
为达到上述目的,本实用新型采用的技术方案是:
一种以液氧为原料提取高纯氧的设备,包括用于将原料液氧加热气化为原料氧气和将吸附后气体冷却为待精馏气体的主换热器、用于加热所述原料氧气而得到加热后气体的加热单元、用于去除所述加热后气体中的可燃物质而得到催化后气体的催化单元、用于冷却所述催化后气体而得到冷却后气体的冷却单元、用于去除所述冷却后气体中的二氧化碳和水而得到所述吸附后气体的吸附单元、用于对所述待精馏气体进行精馏而得到高纯液氧的精馏塔;
用于储存所述原料液氧的液氧罐经所述主换热器与所述加热单元的输入侧相连接,所述加热单元的输出侧与所述催化单元的输入侧相连接,所述催化单元的输出侧与所述冷却单元的输入侧相连接,所述冷却单元的输出侧与所述吸附单元的输入侧相连接,所述吸附单元的输出侧经所述主换热器与所述精馏塔的原料入口相连接,所述精馏塔的底部具有用于输出所述高纯液氧的产品出口。
所述精馏塔的底部内设置有用于将所述高纯液氧气化为所述精馏塔的上升气的再沸器,所述精馏塔的顶部内设置有用于将氧气液化为所述精馏塔的回流液的冷凝器;所述以液氧为原料提取高纯氧的设备还包括通过介质的循环而为所述再沸器提供热量、为所述冷凝器提供冷量的循环单元。
所述循环单元包括循环压缩机;所述再沸器具有气体入口、液体出口;所述冷凝器具有液体入口、气体出口;所述循环压缩机的输出侧经所述主换热器与再沸器的气体入口相连接,所述再沸器的液体出口与所述冷凝器额液体入口相连接,所述冷凝器的气体出口经所述主换热器与所述循环压缩机的输入侧相连接。
所述介质为氮气、污氮气或空气。
所述加热单元包括回热器和原料加热器,所述回热器的输入侧构成所述加热单元的输入侧,所述回热器的输出侧与所述原料加热器的输入侧相连接,所述原料加热器的输出侧构成所述加热单元的输出侧。
所述催化单元包括催化炉,所述催化炉的输出侧经所述加热单元后与所述冷却单元的输入侧相连接。
所述冷却单元包括冷却器。
所述吸附单元包括多个交替进行吸附和再生的吸附筒。
所述精馏塔的顶部具有废气出口,所述吸附单元具有再生气入口,所述精馏塔的废气出口经所述主换热器、废气加热器与所述吸附单元的再生气入口相连接。
所述主换热器和所述精馏塔设置于冷箱内。
由于上述技术方案运用,本实用新型与现有技术相比具有下列优点:本实用新型以液氧为原料而提取高纯氧,工艺简单、操作方便、效率较高。
附图说明
附图1为本实用新型的以液氧为原料提取高纯氧的设备的示意图。
以上附图中:1、回热器;2、催化炉;3、原料加热器;4、冷却器;5、第一吸附筒;6、第二吸附筒;7、废气加热器;8、循环压缩机;9、主换热器;10、冷凝器;11、精馏塔;12、再沸器。
具体实施方式
下面结合附图所示的实施例对本实用新型作进一步描述。
实施例一:如附图1所示,一种以液氧为原料提取高纯氧的设备,包括主换热器9、加热单元、催化单元、冷却单元、吸附单元和精馏塔11。其中,主换热器9和精馏塔11设置于冷箱内。主换热器9主要用于将原料液氧加热气化为原料氧气和将吸附后气体冷却为待精馏气体。加热单元用于加热原料氧气而得到加热后气体。催化单元用于去除加热后气体中的可燃物质而得到催化后气体。冷却单元用于冷却催化后气体而得到冷却后气体。吸附单元用于去除冷却后气体中的二氧化碳和水而得到吸附后气体。精馏塔11用于对待精馏气体进行精馏而得到高纯液氧。
用于储存原料液氧的液氧罐经主换热器9与加热单元的输入侧相连接,加热单元的输出侧与催化单元的输入侧相连接,催化单元的输出侧与冷却单元的输入侧相连接,冷却单元的输出侧与吸附单元的输入侧相连接,吸附单元的输出侧经主换热器9与精馏塔11的原料入口相连接,精馏塔11的底部具有用于输出高纯液氧的产品出口,该产品出口与用于存储高纯液氧的高纯液氧储罐相连。
加热单元包括回热器1和原料加热器3,原料加热器3采用电加热器,催化单元包括催化炉2,冷却单元包括冷却器4,吸附单元包括多个交替进行吸附和再生的吸附筒。本实施例中,吸附单元包括两个吸附筒,分别为第一吸附筒5和第二吸附筒6。则回热器1的输入侧构成加热单元的输入侧,液氧罐经主换热器9与回热器1的输入侧相连接,回热器1的输出侧与原料加热器3的输入侧相连接,原料加热器3的输出侧构成加热单元的输出侧,并与催化单元的输入侧,即催化炉2的输入侧相连接。催化炉2的输出侧经加热单元后与冷却单元的输入侧,即冷却器4的输入侧相连接,具体为催化炉2的输出侧经回热器1后与冷却器4的输入侧相连接。冷却器4的输出侧与吸附筒的输入侧相连接,吸附筒的输出侧经主换热器9与精馏塔11的原料入口相连接。精馏塔11的顶部还具有废气出口,而吸附单元具有再生气入口,则精馏塔11的废气出口经主换热器9、废气加热器7后与吸附单元的再生气入口相连接。废气加热器7采用电加热器。
精馏塔11的底部内设置再沸器12,精馏塔11的顶部内置有冷凝器10。再沸器12用于将精馏塔11内得到的高纯液氧气化为精馏塔11的上升气,冷凝器10用于将精馏塔11内得到的氧气液化为精馏塔11的回流液。上述以液氧为原料提取高纯氧的设备还包括循环单元,该循环单元通过介质的循环而为再沸器12提供热量、为冷凝器10提供冷量。循环单元包括循环压缩机8。再沸器12具有气体入口、液体出口;冷凝器10具有液体入口、气体出口。循环压缩机8的输出侧经主换热器9与再沸器12的气体入口相连接,再沸器12的液体出口与冷凝器10额液体入口相连接,冷凝器10的气体出口经主换热器9与循环压缩机8的输入侧相连接。循环单元中循环的介质为氮气、污氮气或空气等。
上述以液氧为原料提取高纯氧的设备的工作原理为:
原料液氧送入主换热器9内经正流气体加热气化并升至常温形成原料氧气,原料氧气依次进入回热炉和原料加热器3被加热到一定温度而形成加热后气体并进入催化炉2。在催化炉2中,加热后气体含有的部分氧气和少量甲烷等可燃物质反应生成水和二氧化碳,得到包含氧气、水和二氧化碳的催化后气体。催化后气体进入会热炉加热正流原料氧气,出回热器1后再进入冷却器4中进一步冷却至常温形成冷却后气体。冷却后气体进入第一吸附筒5或第二吸附筒6,被其中吸附剂去除反应生成的水和二氧化碳,形成吸附后气体。吸附后气体送入主换热器9中被冷却到一定温度形成待精馏气体。待精馏气体送入精馏塔11内进行精馏,在精馏塔11顶部得到氧气,在精馏塔11底部得到高纯液氧,该高纯液氧作为产品送用户使用。
气态的介质经循环压缩机8压缩到一定压力后,在主换热器9中冷却到一定温度后,进入再沸器12与高纯液氧换热而变成液体,同时将高纯液氧气化为气体作为精馏塔11内的上升气。液态的介质出再沸器12后,经阀门调节送入冷凝器10,在冷凝器10中与氧气换热成为气体,同时将氧气液化为液氧作为精馏塔11的回流液。气态的截止在主换热器9中被正流气体加热到常温后,进入循环压缩机8再次循环。
在精馏塔11的顶部排出少量废气,经主换热器9复热,送入废气加热器7加热后,作为各个吸附筒的再生气使用。第一吸附筒5和第二吸附筒6切换使用,一台吸附筒吸附饱和后切换至另一台吸附筒使用,而吸附饱和的这一台吸附筒采用精馏塔11产生的废气进行加热再生以恢复性能。
上述实施例只为说明本实用新型的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本实用新型的内容并据以实施,并不能以此限制本实用新型的保护范围。凡根据本实用新型精神实质所作的等效变化或修饰,都应涵盖在本实用新型的保护范围之内。
Claims (10)
1.一种以液氧为原料提取高纯氧的设备,其特征在于:所述以液氧为原料提取高纯氧的设备包括用于将原料液氧加热气化为原料氧气和将吸附后气体冷却为待精馏气体的主换热器、用于加热所述原料氧气而得到加热后气体的加热单元、用于去除所述加热后气体中的可燃物质而得到催化后气体的催化单元、用于冷却所述催化后气体而得到冷却后气体的冷却单元、用于去除所述冷却后气体中的二氧化碳和水而得到所述吸附后气体的吸附单元、用于对所述待精馏气体进行精馏而得到高纯液氧的精馏塔;
用于储存所述原料液氧的液氧罐经所述主换热器与所述加热单元的输入侧相连接,所述加热单元的输出侧与所述催化单元的输入侧相连接,所述催化单元的输出侧与所述冷却单元的输入侧相连接,所述冷却单元的输出侧与所述吸附单元的输入侧相连接,所述吸附单元的输出侧经所述主换热器与所述精馏塔的原料入口相连接,所述精馏塔的底部具有用于输出所述高纯液氧的产品出口。
2.根据权利要求1所述的以液氧为原料提取高纯氧的设备,其特征在于:所述精馏塔的底部内设置有用于将所述高纯液氧气化为所述精馏塔的上升气的再沸器,所述精馏塔的顶部内设置有用于将氧气液化为所述精馏塔的回流液的冷凝器;所述以液氧为原料提取高纯氧的设备还包括通过介质的循环而为所述再沸器提供热量、为所述冷凝器提供冷量的循环单元。
3.根据权利要求2所述的以液氧为原料提取高纯氧的设备,其特征在于:所述循环单元包括循环压缩机;所述再沸器具有气体入口、液体出口;所述冷凝器具有液体入口、气体出口;所述循环压缩机的输出侧经所述主换热器与再沸器的气体入口相连接,所述再沸器的液体出口与所述冷凝器额液体入口相连接,所述冷凝器的气体出口经所述主换热器与所述循环压缩机的输入侧相连接。
4.根据权利要求2所述的以液氧为原料提取高纯氧的设备,其特征在于:所述介质为氮气、污氮气或空气。
5.根据权利要求1至4中任一项所述的以液氧为原料提取高纯氧的设备,其特征在于:所述加热单元包括回热器和原料加热器,所述回热器的输入侧构成所述加热单元的输入侧,所述回热器的输出侧与所述原料加热器的输入侧相连接,所述原料加热器的输出侧构成所述加热单元的输出侧。
6.根据权利要求1至4中任一项所述的以液氧为原料提取高纯氧的设备,其特征在于:所述催化单元包括催化炉,所述催化炉的输出侧经所述加热单元后与所述冷却单元的输入侧相连接。
7.根据权利要求1至4中任一项所述的以液氧为原料提取高纯氧的设备,其特征在于:所述冷却单元包括冷却器。
8.根据权利要求1至4中任一项所述的以液氧为原料提取高纯氧的设备,其特征在于:所述吸附单元包括多个交替进行吸附和再生的吸附筒。
9.根据权利要求8所述的以液氧为原料提取高纯氧的设备,其特征在于:所述精馏塔的顶部具有废气出口,所述吸附单元具有再生气入口,所述精馏塔的废气出口经所述主换热器、废气加热器与所述吸附单元的再生气入口相连接。
10.根据权利要求1至4中任一项所述的以液氧为原料提取高纯氧的设备,其特征在于:所述主换热器和所述精馏塔设置于冷箱内。
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