CN106288865B - 一种深冷粉碎的粉碎气源的冷却工艺 - Google Patents

一种深冷粉碎的粉碎气源的冷却工艺 Download PDF

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CN106288865B
CN106288865B CN201610770527.1A CN201610770527A CN106288865B CN 106288865 B CN106288865 B CN 106288865B CN 201610770527 A CN201610770527 A CN 201610770527A CN 106288865 B CN106288865 B CN 106288865B
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heat exchanger
liquid nitrogen
storage tank
gas
crushing
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CN106288865A (zh
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吴建明
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Jiangsu Miyou Powder New Equipment Manufacturing Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • 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
    • F25J2215/42—Nitrogen or special cases, e.g. multiple or low purity N2

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

本发明提供了一种深冷粉碎的粉碎气源的冷却工艺，其使得液氮气化的气体用于冷却粉碎压缩气体，进而使得粉碎压缩气体可被再次用于冷却物料，其提高了能源的利用率，降低了生产成本。将从粉碎腔体获得的粉碎压缩气体通入翅片换热器的翅片管入口，翅片换热器的翅片管出口通入液氮储罐盘管换热器的盘管入口，液氮储罐盘管换热器的盘管出口流出粉碎冷冻压缩气体、通入粉碎腔体，所述液氮储罐盘管换热器的腔体内设置有液氮，所述液氮储罐盘管换热器的壳体上设置有气化气体出口，所述气化气体出口通过管路通入所述翅片换热器的腔体、作为换热介质，所述翅片换热器的壳体上设置有换热气体出口，所述换热气体出口外接有储罐。

Description

一种深冷粉碎的粉碎气源的冷却工艺
技术领域
本发明涉及物料粉碎的技术领域，具体为一种深冷粉碎的粉碎气源的冷却工艺。
背景技术
现有的深冷粉碎的粉碎气源直接通过液氮进行注入，然而粉碎腔内收集到的已经升温的氮气其一般被收集后进行后续冷却加工形成液氮，然后再被用于深冷粉碎，已经升温的氮气的升温幅度并不大，现在直接被再次冷却形成液氮，使得原先的低温无法二次得到利用，且储存深冷粉碎液氮的罐体内的液氮会产生气化，该气化液氮现有的工艺无法合理利用，故现有的深冷粉碎工艺对能源的利用率相对较低。
发明内容
针对上述问题，本发明提供了一种深冷粉碎的粉碎气源的冷却工艺，其使得液氮气化的气体用于冷却粉碎压缩气体，进而使得粉碎压缩气体可被再次用于冷却物料，其提高了能源的利用率，降低了生产成本。
一种深冷粉碎的粉碎气源的冷却工艺，其特征在于：将从粉碎腔体获得的粉碎压缩气体通入翅片换热器的翅片管入口，翅片换热器的翅片管出口通入液氮储罐盘管换热器的盘管入口，液氮储罐盘管换热器的盘管出口流出粉碎冷冻压缩气体、通入粉碎腔体，所述液氮储罐盘管换热器的腔体内设置有液氮，所述液氮储罐盘管换热器的壳体上设置有气化气体出口，所述气化气体出口通过管路通入所述翅片换热器的腔体、作为换热介质，所述翅片换热器的壳体上设置有换热气体出口，所述换热气体出口外接有储罐，储罐内的氮气达到一定容积后被收集用于液氮制作。
其进一步特征在于：所述液氮储罐盘管换热器的壳体的下方设置有液氮补充口，液氮补充口补充盘管换热器内流失的液氮，确保整个液氮储罐盘管换热器对粉碎压缩气体的二次深冷，使得粉碎压缩气体降低到足够低的低温；
所述翅片换热器的腔体的介质入口位于翅片换热器的壳体的下部位置，所述翅片换热器的换热气体出口位于翅片换热器的壳体的上部位置，根据热空气上升的原理，将换热气体出口设置于上部位置，使得整个换热器内的介质气体得到及时充分更换，确保对于粉碎压缩气体的充分冷却；
所述液氮储罐盘管换热器的盘管入口和所述翅片换热器的翅片管出口位于同一平面上，确保管路对接时的顺畅快捷，确保管路暴露于空气中的行程最短、保证能量散失最少；
所述气化气体出口位于所述翅片换热器的腔体的介质入口的对应高度位置，确保管路对接时的顺畅快捷，确保管路暴露于空气中的行程最短、保证能量散失最少。
采用本发明后，翅片换热器由液氮储罐盘管换热器内液氮气化气体来冷却粉碎压缩气体，液氮储罐盘管换热器中的盘管浸泡在液氮中，冷却粉碎压缩气体通过盘管内换热降温，粉碎压缩气体温度越高，在通过盘管换热后，液氮储罐盘管换热器里的液氮气化越快，此工艺回收利用了液氮气体，更降低了粉碎压缩气体的温度；综上，其使得液氮气化的气体用于冷却粉碎压缩气体，进而使得粉碎压缩气体可被再次用于冷却物料，其提高了能源的利用率，降低了生产成本。
附图说明
图1为本发明的冷却工艺的线路布置结构示意图；
图中各序号所对应的标注名称如下：
翅片换热器1、翅片管入口2、翅片管出口3、液氮储罐盘管换热器4、盘管入口5、盘管出口6、第一腔体7、气化气体出口8、管路9、第二腔体10、换热气体出口11、储罐12、液氮补充口13、介质入口14。
具体实施方式
一种深冷粉碎的粉碎气源的冷却工艺，见图1：将从粉碎腔体获得的粉碎压缩气体通入翅片换热器1的翅片管入口2，翅片换热器1的翅片管出口3通入液氮储罐盘管换热器4的盘管入口5，液氮储罐盘管换热器4的盘管出口6流出粉碎冷冻压缩气体、通入粉碎腔体，液氮储罐盘管换热器4的第一腔体7内设置有液氮，液氮储罐盘管换热器4的壳体上设置有气化气体出口8，气化气体出口8通过管路9通入翅片换热器1的第二腔体10、作为换热介质，翅片换热器1的壳体上设置有换热气体出口11，换热气体出口11外接有储罐12，储罐12内的氮气达到一定容积后被收集用于液氮制作。
液氮储罐盘管换热器4的壳体的下方设置有液氮补充口13，液氮补充口13补充液氮储罐盘管换热器4内流失的液氮，确保整个液氮储罐盘管换热器4对粉碎压缩气体的二次深冷，使得粉碎压缩气体降低到足够低的低温；
翅片换热器1的第二腔体10的介质入口14位于翅片换热器1的壳体的下部位置，翅片换热器1的换热气体出口11位于翅片换热器1的壳体的上部位置，根据热空气上升的原理，将换热气体出口11设置于上部位置，使得整个换热器内的介质气体得到及时充分更换，确保对于粉碎压缩气体的充分冷却；
液氮储罐盘管换热器4的盘管入口5和翅片换热器1的翅片管出口3位于同一平面上，确保管路对接时的顺畅快捷，确保管路暴露于空气中的行程最短、保证能量散失最少；
气化气体出口8位于翅片换热器1的介质入口14的对应高度位置，确保管路对接时的顺畅快捷，确保管路暴露于空气中的行程最短、保证能量散失最少。
以上对本发明的具体实施例进行了详细说明，但内容仅为本发明创造的较佳实施例，不能被认为用于限定本发明创造的实施范围。凡依本发明创造申请范围所作的均等变化与改进等，均应仍归属于本发明的专利涵盖范围之内。

Claims (2)

1.一种深冷粉碎的粉碎气源的冷却工艺，其特征在于：将从粉碎腔体获得的粉碎压缩气体通入翅片换热器的翅片管入口，翅片换热器的翅片管出口通入液氮储罐盘管换热器的盘管入口，液氮储罐盘管换热器的盘管出口流出粉碎冷冻压缩气体、通入粉碎腔体，所述液氮储罐盘管换热器的腔体内设置有液氮，所述液氮储罐盘管换热器的壳体上设置有气化气体出口，所述气化气体出口通过管路通入所述翅片换热器的腔体、作为换热介质，所述翅片换热器的壳体上设置有换热气体出口，所述换热气体出口外接有储罐，储罐内的氮气达到一定容积后被收集用于液氮制作；
所述液氮储罐盘管换热器的壳体的下方设置有液氮补充口，液氮补充口补充盘管换热器内流失的液氮；
所述翅片换热器的腔体的介质入口位于翅片换热器的壳体的下部位置，所述翅片换热器的换热气体出口位于翅片换热器的壳体的上部位置；
所述液氮储罐盘管换热器的盘管入口和所述翅片换热器的翅片管出口位于同一平面上。
2.如权利要求1所述的一种深冷粉碎的粉碎气源的冷却工艺，其特征在于：所述气化气体出口位于所述翅片换热器的腔体的介质入口的对应高度位置。
CN201610770527.1A 2016-08-31 2016-08-31 一种深冷粉碎的粉碎气源的冷却工艺 Expired - Fee Related CN106288865B (zh)

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CN2370957Y (zh) * 1999-04-23 2000-03-29 中国科学院低温技术实验中心 低温气流粉碎装置
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CN105013587A (zh) * 2015-08-03 2015-11-04 昆山市密友装备制造有限责任公司 一种深冷粉碎系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2370957Y (zh) * 1999-04-23 2000-03-29 中国科学院低温技术实验中心 低温气流粉碎装置
CN101476806A (zh) * 2009-01-24 2009-07-08 中国电子系统工程第二建设有限公司 低温液体的汽化冷量回收利用系统
CN103234318A (zh) * 2013-04-12 2013-08-07 广州华丰能源科技有限公司 一种利用液化天然气冷能除雾制冰的装置与方法
CN203628259U (zh) * 2013-12-13 2014-06-04 江阴明大化工有限公司 液氮在气化过程中的冷能综合利用装置
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