CN107120519A - 玻璃钢管在制造液氮自增压容器中的应用 - Google Patents

玻璃钢管在制造液氮自增压容器中的应用 Download PDF

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CN107120519A
CN107120519A CN201710242071.6A CN201710242071A CN107120519A CN 107120519 A CN107120519 A CN 107120519A CN 201710242071 A CN201710242071 A CN 201710242071A CN 107120519 A CN107120519 A CN 107120519A
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殷新玉
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/013—Single phase liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure

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Abstract

本发明提供一种玻璃钢管在制造液氮自增压容器中的应用,其中液氮自增压容器包括内胆、外胆、密封盖塞和颈管，内胆位于外胆内并与外胆之间形成真空绝缘腔体，外胆和和内胆均设有一开口端，颈管两端分别与所述内胆的开口端和外胆的开口端密封连接，密封盖塞密封设置在所述颈管的外端，所述颈管为玻璃钢管，颈管与所述内胆螺接后胶接；颈管采用导热率极低的颈管，使本发明对液氮的保存效果明显增加，提高液氮的保存时间减少挥发，相对有效容量为35L的液氮自增压容器，日损耗降为232L；在真空绝缘腔体内填充多层绝热体，有良好冷藏保温性能。

Description

玻璃钢管在制造液氮自增压容器中的应用
技术领域
本发明涉及液氮储存技术领域，具体涉及玻璃钢管在制造液氮自增压容器中的应用。
背景技术
液氮罐在储存液氮时，需要液氮罐的保温效果比较好。液氮罐的罐体一般包括内胆和外胆，内胆和外胆之间间隔设置形成真空的密封腔，通过真空腔以降低外界热量与内胆之间的传递；在内胆的开口端和外胆的开口端设置有颈管，颈管具有减少液氮蒸发和固定内胆的双重作用，目前颈管多采用不锈钢材料，但不锈钢材料保温效果不好，使液氮蒸发较快。
而自增压液氮罐由优质不锈钢制造，容器配有升压***，能自身产生压力连续排液。由控制***和罐体组成，控制***主要由：进/排液阀、增压阀、放空阀、双安全阀、液位计、压力表及4只独立刹车的脚轮组成。以下为自增压液氮罐规格参数表：
现有技术中，有效容量为30L的液氮自增压容器，颈管采用不锈钢材料，日蒸损耗率为2.7％，即日损耗为0.81L；而有效容量为50L的液氮自增压容器，颈管采用不锈钢材料，日蒸损耗率为1.8％，即日损耗为0.9L。
发明内容
针对现有技术的不足，本发明提供一种玻璃钢管在制造液氮自增压容器中的应用，减少液氮的蒸发率，使本发明对液氮的储存时间更长。
玻璃钢管在制造液氮自增压容器中的应用,所述液氮自增压容器包括内胆、外胆、密封盖塞和颈管，所述内胆位于所述外胆内并与所述外胆之间形成真空绝缘腔体，所述外胆和内胆均设有一开口端，所述颈管两端分别与所述内胆的开口端和所述外胆的开口端密封连接，所述密封盖塞密封设置在所述颈管的外端，所述颈管为玻璃钢管，所述颈管与所述内胆螺接后胶接；玻璃钢具有极低的热导率，可把从颈管进入的外部热量控制在最低限度。
为更好实现本发明，可进一步为，所述内胆上装设有液面提示器、排流阀和安全阀，在所述内胆和外胆之间设有增压阀，所述液面提示器的显示端位于所述密封盖塞上，所述液面提示器的检测端穿过所述密封盖塞并延伸至所述内胆底部；所述排流阀的开关位于所述外胆外部，所述排流阀的管路从所述颈管处伸入所述内胆底部；所述安全阀与所述颈管相通；所述增压阀的开关位于所述外胆外部，所述增压阀的管路穿过所述外胆并延伸至所述内胆底部且与所述内胆的底部连通；增压方式有两种，一种是通过液氮的自挥发后，增加内胆内的压力；二是通过增压阀对内胆内的液氮进行加压，然后，打开排流阀，液氮则可以通过排流阀自动流出。
为更好实现本发明，可进一步为：所述内胆和外胆均呈圆柱状，空间利用率大。
为更好实现本发明，可进一步为：所述外胆还设有一提手，便于移动本发明。
为更好实现本发明，可进一步为：所述真空绝缘腔体内填充有多层绝热体。
为更好实现本发明，可进一步为：在所述外胆的开口端和所述颈管处安装有真空封口接头。
本发明的有益效果：颈管采用导热率极低的颈管，使本发明对液氮的保存效果明显增加，提高液氮的保存时间减少挥发，相对有效容量为35L的液氮自增压容器，日损耗降为232L；通过增压阀对内胆内的液氮进行加压，然后，打开排流阀，液氮则可以通过排流阀自动流出，结构简单易实现，且采用这种结构能较好地提取液氮；在真空绝缘腔体内填充多层绝热体，有良好冷藏保温性能。
附图说明
图1出示了本发明的结构示意图。
图中，1 为液面提示器；3 为安全阀；4 为增压阀；41 为增压阀的管路；5 为外胆；6 为内胆；7 为颈管；8 为排流阀；9 为排气阀；91 为压力计。
具体实施方式
下面结合附图对本发明做详细说明。
如图1所示：玻璃钢管在制造液氮自增压容器中的应用，其中液氮自增压容器包括内胆、外胆、密封盖塞和颈管，所述内胆和外胆均呈圆柱状，所述内胆位于所述外胆内并与所述外胆之间形成真空绝缘腔体，在所述真空绝缘腔体内填充有多层绝热体；所述外胆和内胆均设有一开口端，所述颈管两端分别与所述内胆的开口端和所述外胆的开口端密封连接，所述密封盖塞密封设置在所述颈管的外端，所述颈管为玻璃钢管，所述颈管与所述内胆螺接后胶接；玻璃钢具有极低的热导率，可把从颈管进入的外部热量控制在最低限度，在所述外胆的开口端和所述颈管处安装有真空封口接头，在所述外胆设有一提手。
所述内胆上装设有液面提示器、排流阀、排气阀、压力计和安全阀，在所述内胆和外胆之间设有增压阀，所述液面提示器的显示端位于所述密封盖塞上，所述液面提示器的检测端穿过所述密封盖塞并延伸至所述内胆底部；所述排流阀的开关位于所述外胆外部，所述排流阀的管路从所述颈管处伸入所述内胆底部；所述安全阀和排气阀均与所述颈管相通，在所述排气阀的管路上还装设有所述压力计；所述增压阀的开关位于所述外胆外部，所述增压阀的管路穿过所述外胆并延伸至所述内胆底部且与所述内胆的底部连通；通过增压阀对内胆内的液氮进行加压，然后，打开排流阀，液氮则可以通过排流阀自动流出。
本发明的有益效果：颈管采用导热率极低的颈管，使本发明对液氮的保存效果明显增加，提高液氮的保存时间减少挥发，相对有效容量为30L的液氮自增压容器，日损耗降为0.223L；相对有效容量为35L的液氮自增压容器，日损耗降为0.232L；相对有效容量为50L的液氮自增压容器，日损耗降为0.249L；通过增压阀对内胆内的液氮进行加压，然后，打开排流阀，液氮则可以通过排流阀自动流出，结构简单易实现，且采用这种结构能较好地提取液氮；在真空绝缘腔体内填充多层绝热体，有良好冷藏保温性能。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (7)

1.玻璃钢管在制造液氮自增压容器中的应用。
2.根据权利要求1所述的应用,其特征在于，所述液氮自增压容器包括内胆、外胆、密封盖塞和颈管，所述内胆位于所述外胆内并与所述外胆之间形成真空绝缘腔体，所述外胆和内胆均设有一开口端，所述颈管两端分别与所述内胆的开口端和所述外胆的开口端密封连接，所述密封盖塞密封设置在所述颈管的外端，所述颈管为玻璃钢管，所述颈管与所述内胆螺接后胶接。
3.根据权利要求2所述的应用，其特征在于，所述内胆上装设有液面提示器、排流阀和安全阀，在所述内胆和外胆之间设有增压阀，所述液面提示器的显示端位于所述密封盖塞上，所述液面提示器的检测端穿过所述密封盖塞并延伸至所述内胆底部；所述排流阀的开关位于所述外胆外部，所述排流阀的管路从所述颈管处伸入所述内胆底部；所述安全阀与所述颈管相通；所述增压阀的开关位于所述外胆外部，所述增压阀的管路穿过所述外胆并延伸至所述内胆底部且与所述内胆的底部连通。
4.根据权利要求2所述的应用，其特征在于，所述内胆和外胆均呈圆柱状。
5.根据权利要求2所述的应用，其特征在于，所述外胆还设有一提手。
6.根据权利要求2所述的应用，其特征在于，所述真空绝缘腔体内填充有多层绝热体。
7.根据权利要求2所述的应用，其特征在于，在所述外胆的开口端和所述颈管处安装有真空封口接头。
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