CN110243136A - 一种复合式天然气液化装置 - Google Patents
一种复合式天然气液化装置 Download PDFInfo
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- CN110243136A CN110243136A CN201910350647.XA CN201910350647A CN110243136A CN 110243136 A CN110243136 A CN 110243136A CN 201910350647 A CN201910350647 A CN 201910350647A CN 110243136 A CN110243136 A CN 110243136A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 174
- 239000003345 natural gas Substances 0.000 title claims abstract description 81
- 239000002131 composite material Substances 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- PVXVWWANJIWJOO-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-yl)-N-ethylpropan-2-amine Chemical compound CCNC(C)CC1=CC=C2OCOC2=C1 PVXVWWANJIWJOO-UHFFFAOYSA-N 0.000 claims abstract description 8
- QMMZSJPSPRTHGB-UHFFFAOYSA-N MDEA Natural products CC(C)CCCCC=CCC=CC(O)=O QMMZSJPSPRTHGB-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012190 activator Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 239000011852 carbon nanoparticle Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 6
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 3
- -1 arene compounds Chemical class 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
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- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
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- 238000005138 cryopreservation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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- 239000001294 propane Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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- 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
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
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- C—CHEMISTRY; METALLURGY
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- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
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- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
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- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
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- F25J1/0201—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 using only internal refrigeration means, i.e. without external refrigeration
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- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/541—Absorption of impurities during preparation or upgrading of a fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F25J2205/50—Processes or apparatus using other separation and/or other processing means using absorption, i.e. with selective solvents or lean oil, heavier CnHm and including generally a regeneration step for the solvent or lean oil
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- 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
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
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- 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
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Abstract
本发明提供一种复合式天然气液化装置,涉及天然气液化设备技术领域,该一种复合式天然气液化装置,包括安装底板,所述安装底板的顶部表面一端设有主控工作台,所述安装底板的表面在主控工作台的一侧设有天然气脱碳罐,所述天然气脱碳罐的一侧在安装底板的表面设有天然气冷凝罐,所述天然气冷凝罐的端部管道连接有复合组件,所述复合组件的端部管道连接有脱汞组件,所述安装底板的顶部表面另一端设有存储罐体。通过在复合组件之中增加分子筛网和复合吸附层,可以实现对天然气之中的水以及天然气中含有的大量芳香烃化合物和重烃化合物进行去除,采用MDEA和活化剂组合对天然气进行脱碳处理,降低天然气中含有的二氧化碳、硫化氢和硫化物的成分。
Description
技术领域
本发明涉及天然气液化设备技术领域,具体为一种复合式天然气液化装置。
背景技术
天然气是一种多组分的混合气体,主要成分是烷烃,其中甲烷占绝大多数,另有少量的乙烷、丙烷和丁烷,此外一般还含有硫化氢、二氧化碳、氮和水气,以及微量的惰性气体,在标准状况下,甲烷至丁烷以气体状态存在,戊烷以上为液体,液化天然气技术主要包括天然气预处理、液化、储存、运输、利用五个系统,一般生产工艺过程是:天然气经过净化处理后,采用节流、膨胀或制冷剂循环制冷工艺,使甲烷变成液体,液化后的天然气具有如下特点:LNG体积约为同量气态天然气体积的1/600,大大方便储存和运输; LNG储存效率高、占地少、投资省;有利于城市负荷的调节,生产过程释放出的冷量可以利用;LNG用作汽车燃料经济、安全、环保;生产、使用比较安全;有利于保护环境,减少污染,但是现在的天然气液化装置采用的大多数是分体式的液化装置,脱碳、脱水、脱芳香烃、脱汞等都是不同的设备进行工作,导致液化的整体设备较大,同时不同设备需要不同技术人员进行现场操作,人工成本较高。
本发明主要解决的就是在天然气液化设备整体之间为分体设备生产,集成度较低,同时人工成本较高的问题。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种复合式天然气液化装置,解决了天然气液化设备整体之间为分体设备生产,集成度较低,同时人工成本较高的问题。
(二)技术方案
为实现以上目的,本发明通过以下技术方案予以实现:一种复合式天然气液化装置,包括安装底板,所述安装底板的顶部表面一端设有主控工作台,所述安装底板的表面在主控工作台的一侧设有天然气脱碳罐,所述天然气脱碳罐的一侧在安装底板的表面设有天然气冷凝罐,所述天然气冷凝罐的端部管道连接有复合组件,所述复合组件的端部管道连接有脱汞组件,所述安装底板的顶部表面另一端设有存储罐体,所述存储罐体的背部设有原料罐体,所述存储罐体的进料端设有控流组件,所述天然气脱碳罐、天然气冷凝罐、复合组件、脱汞组件、控流组件、存储罐体之间设有传输管道。
优选的,所述控流组件包括管道支撑架,所述管道支撑架的侧面固定设有控流主管,所述控流主管的侧面设有输出料管,所述控流主管和输出料管之间设有连接法兰,所述连接法兰的中部嵌合有控流阀门。
优选的,所述脱汞组件包括主脱汞罐,所述主脱汞罐的顶部嵌合密封有分料管道,所述分料管道的端部焊接有主进料管,所述主进料管的表面两端设有锁紧框架,所述锁紧框架的侧面在主进料管的表面嵌合有辅助排料阀。
优选的,所述复合组件包括封装框架,所述封装框架的内部均匀固定安装有复合罐体,所述复合罐体的表面环绕方向设有罐体走料管,所述罐体走料管的中部嵌合有主控阀体,所述封装框架的侧面垂直设有信号面板,所述复合罐体的进料端焊接有进料法兰。
优选的,所述复合罐体包括主罐体,所述主罐体的内腔顶部设有分子筛网,所述主罐体的内腔底部设有复合吸附层。
优选的,所述分子筛网的表面筛选吸附强度的递减顺序为H2O>NH3> CH3OH>CH3SH>H2S>COS>CO2>CH4>N2,且分子筛网采用4A分子级筛网,所述复合吸附层采用纳米活性炭,优选的纳米活性炭粒径为5-20nm。
优选的,所述天然气脱碳罐采用MDEA和活化剂组合脱碳,MDEA:活化剂:脱盐水=40:5:55,所述脱汞组件内部填充有蜂窝载硫活性炭。
工作原理:在使用该天然气液化装置的时候,将整个设备组装好,通过安装底板作为整体模块安装,或者不采用安装底板,作为单独组建安装也可,之后将整个设备组装调试完成,将气体接入传输管道之中,操作人员站立在主控工作台的面前,通过主控工作台控制整个设备的整体运行调节,通过阀门的控制,实现了天然气的运行路线调节,首先将天然气送入天然气脱碳罐之中,将天然气之中含有的二氧化碳、硫化氢和硫化物进行去除,之后将天然气送入冷凝罐之中进行冷凝液化,进一步去除天然气之中的水分,之后将天然气送入复合组件之中,通过分子筛网将天然气之中的水进一步去除,同时通过复合吸附层,将天然气中的芳香烃化合物和重烃化合物进行去除,之后将天然气送入脱汞组件之中,将天然气中的汞及其化合物通过载硫活性炭去除,最终将天然气送入存储罐体之中,通过控制控流组件6的阀门启闭,实现不同存储罐体的存储调节。
(三)有益效果
本发明提供了一种复合式天然气液化装置。具备以下有益效果:
1、本发明通过在复合组件之中增加分子筛网和复合吸附层,可以实现对天然气之中的水以及天然气中含有的大量芳香烃化合物和重烃化合物进行去除,提高了天然气的整体成品质量。
2、本发明通过在采用蜂窝状载硫活性炭,将天然气生产过程中产生的较多的汞及其化合物进行吸收,保证天然气的成品质量。
3、本发明通过采用MDEA和活化剂组合对天然气进行脱碳处理,从而实现天然气的整体脱碳效率,提高脱碳率,降低天然气中含有的二氧化碳、硫化氢和硫化物的成分。
4、本发明通过将脱水和脱芳香烃重烃复合在一起的方式,减少了整个天然气液化过程中产生的人力成本,同时阀体均采用电气控制的阀体,避免人工操作,提高自动化水平。
附图说明
图1为本发明的生产布局示意图;
图2为本发明的生产线俯视图;
图3为图1-C处的控流组件结构示意图;
图4为图1-B处的脱汞组件结构示意图;
图5为图1-A处的复合组件结构示意图;
图6为本发明复合组件的罐体内部结构示意图。
其中,1、安装底板;2、主控工作台;3、传输管道;4、天然气脱碳罐;5、天然气冷凝罐;6、控流组件;601、管道支撑架;602、控流主管;603、连接法兰;604、输出料管;605、控流阀门;7、原料罐体;8、存储罐体;9、脱汞组件;901、主脱汞罐;902、分料管道;903、主进料管;904、锁紧框架;905、辅助排料阀;10、复合组件;101、封装框架;102、主控阀体;103、进料法兰;104、复合罐体;1041、主罐体;1042、复合吸附层;1043、分子筛网;105、罐体走料管;106、信号面板。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一:
如图1、2所示,本发明实施例提供一种复合式天然气液化装置,包括安装底板1,其特征在于:安装底板1的顶部表面一端设有主控工作台2,安装底板1的表面在主控工作台2的一侧设有天然气脱碳罐4,天然气脱碳罐4的一侧在安装底板1的表面设有天然气冷凝罐5,天然气冷凝罐5的端部管道连接有复合组件10,复合组件10的端部管道连接有脱汞组件9,安装底板1的顶部表面另一端设有存储罐体8,存储罐体8的背部设有原料罐体7,存储罐体8的进料端设有控流组件6,天然气脱碳罐4、天然气冷凝罐5、复合组件 10、脱汞组件9、控流组件6、存储罐体8之间设有传输管道3,天然气脱碳罐4采用MDEA和活化剂组合脱碳,MDEA:活化剂:脱盐水=40:5:55,脱汞组件9内部填充有蜂窝载硫活性炭,天然气冷凝罐5采用真空压缩冷凝的方式对天然气进行冷凝处理,存储罐体8优选的采用液氮进行冷藏处理,也可以采用真空压缩机对存储罐体8进行低温保存,存储罐体8的截面采用蜂窝状或者采用多空材料制成。
实施例二:
如图3、4所示,本发明实施例提供一种复合式天然气液化装置,控流组件6包括管道支撑架601,管道支撑架601的侧面固定设有控流主管602,控流主管602的侧面设有输出料管604,控流主管602和输出料管604之间设有连接法兰603,连接法兰603的中部嵌合有控流阀门605,脱汞组件9包括主脱汞罐901,主脱汞罐901的顶部嵌合密封有分料管道902,分料管道902的端部焊接有主进料管903,主进料管903的表面两端设有锁紧框架904,锁紧框架904的侧面在主进料管903的表面嵌合有辅助排料阀905,阀体均采用电气控制,但是所有阀体均不拆除手动组件,保证危急情况下可以实现快速的手动操作,避免电控失效导致严重后果。
实施例三:
如图5、6所示,本发明实施例提供一种复合式天然气液化装置,复合组件10包括封装框架101,封装框架101的内部均匀固定安装有复合罐体104,复合罐体104的表面环绕方向设有罐体走料管105,罐体走料管105的中部嵌合有主控阀体102,封装框架101的侧面垂直设有信号面板106,复合罐体104 的进料端焊接有进料法兰103,复合罐体104包括主罐体1041,主罐体1041 的内腔顶部设有分子筛网1043,主罐体1041的内腔底部设有复合吸附层1042,分子筛网1043的表面筛选吸附强度的递减顺序为H2O>NH3>CH3OH> CH3SH>H2S>COS>CO2>CH4>N2,且分子筛网1043采用4A分子级筛网,复合吸附层1042采用纳米活性炭,优选的纳米活性炭粒径为5-20nm,也可以采用其他类型的分子筛网,4A筛网可以将天然气内部的水大多数进行去除,实现了一定程度上的脱水处理,同时可以采用旋转过滤脱水器天然气进行脱水,但是设备组件过多,导致整个天然气的液化设备较为分散,集成程度较低。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个引用结构”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (7)
1.一种复合式天然气液化装置,包括安装底板(1),其特征在于:所述安装底板(1)的顶部表面一端设有主控工作台(2),所述安装底板(1)的表面在主控工作台(2)的一侧设有天然气脱碳罐(4),所述天然气脱碳罐(4)的一侧在安装底板(1)的表面设有天然气冷凝罐(5),所述天然气冷凝罐(5)的端部管道连接有复合组件(10),所述复合组件(10)的端部管道连接有脱汞组件(9),所述安装底板(1)的顶部表面另一端设有存储罐体(8),所述存储罐体(8)的背部设有原料罐体(7),所述存储罐体(8)的进料端设有控流组件(6),所述天然气脱碳罐(4)、天然气冷凝罐(5)、复合组件(10)、脱汞组件(9)、控流组件(6)、存储罐体(8)之间设有传输管道(3)。
2.根据权利要求1所述的一种复合式天然气液化装置,其特征在于:所述控流组件(6)包括管道支撑架(601),所述管道支撑架(601)的侧面固定设有控流主管(602),所述控流主管(602)的侧面设有输出料管(604),所述控流主管(602)和输出料管(604)之间设有连接法兰(603),所述连接法兰(603)的中部嵌合有控流阀门(605)。
3.根据权利要求1所述的一种复合式天然气液化装置,其特征在于:所述脱汞组件(9)包括主脱汞罐(901),所述主脱汞罐(901)的顶部嵌合密封有分料管道(902),所述分料管道(902)的端部焊接有主进料管(903),所述主进料管(903)的表面两端设有锁紧框架(904),所述锁紧框架(904)的侧面在主进料管(903)的表面嵌合有辅助排料阀(905)。
4.根据权利要求1所述的一种复合式天然气液化装置,其特征在于:所述复合组件(10)包括封装框架(101),所述封装框架(101)的内部均匀固定安装有复合罐体(104),所述复合罐体(104)的表面环绕方向设有罐体走料管(105),所述罐体走料管(105)的中部嵌合有主控阀体(102),所述封装框架(101)的侧面垂直设有信号面板(106),所述复合罐体(104)的进料端焊接有进料法兰(103)。
5.根据权利要求4所述的一种复合式天然气液化装置,其特征在于:所述复合罐体(104)包括主罐体(1041),所述主罐体(1041)的内腔顶部设有分子筛网(1043),所述主罐体(1041)的内腔底部设有复合吸附层(1042)。
6.根据权利要求5所述的一种复合式天然气液化装置,其特征在于:所述分子筛网(1043)的表面筛选吸附强度的递减顺序为H2O>NH3>CH3OH>CH3SH>H2S>COS>CO2>CH4>N2,且分子筛网(1043)采用4A分子级筛网,所述复合吸附层(1042)采用纳米活性炭,优选的纳米活性炭粒径为5-20nm。
7.根据权利要求1所述的一种复合式天然气液化装置,其特征在于:所述天然气脱碳罐(4)采用MDEA和活化剂组合脱碳,MDEA:活化剂:脱盐水=40:5:55,所述脱汞组件(9)内部填充有蜂窝载硫活性炭。
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