行业资讯_新闻资讯_Wuhan qunxingming Supply Chain Management Co., Ltd

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The company is mainly engaged in liquid ammonia trade, integrating warehousing, sub packaging and logistics distribution; And can produce various concentrations of industrial grade and reagent grade ammonia according to customer requirements.

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In line with the values of "people-oriented, harmonious and win-win", qunxingming adheres to the business philosophy of "market is the sea, quality is the ship and brand is the sail", focuses on efficient management of vehicle dispatching, all-day managem

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What are the functions of liquid ammonia? What's the use of liquid ammonia?

Liquidammonia,alsoknownasanhydrousammonia,isacolorlessliquid.Asanimportantchemicalrawmaterial,ammoniaiswidelyused.Inordertofacilitatetransportationandstorage,gaseousammoniaisusuallypressurizedorcooledtoobtainliquidammonia.Liquidammoniaiswidelyusedinindustry,anditiscorrosiveandeasytovolatilize,sotheincidenceofchemicalaccidentsisquitehigh. Liquidammoniaismainlyusedtoproducenitricacid,ureaandotherchemicalfertilizers.Itcanalsobeusedasrawmaterialsformedicineandpesticides. Liquidammoniaisusedinthenationaldefenseindustrytomakepropellantforrocketsandmissiles.Itcanbeusedasammoniationrawmaterialoforganicchemicalproductsandasrefrigerant.Liquidammoniacanalsobeusedformercerizationoftextiles.LoneelectronpairsinNH3moleculestendtoformcoordinationbondswithothermoleculesorionstoformvariousformsofammoniacomplexes.Forexample,[Ag(NH3)2]+,[Cu(NH3)4]2+,BF3•NH3arecomplexescoordinatedwithNH3.Liquidammoniaisagoodsolvent.Duetothepolarityofmoleculesandtheexistenceofhydrogenbonds,liquidammoniaisverysimilartowaterinmanyphysicalproperties.Someactivemetalscanreplacehydrogenandformhydroxidesfromwater,butitisnotsoeasytoreplacehydrogeninliquidammonia.Butliquidammoniacandissolvemetalstoformabluesolution.Thismetalliquidammoniasolutioncanconductelectricity,decomposeslowlyandreleasehydrogen,andhasstrongreducibility.Forexample,liquidammoniasolutionofsodium:thereasonwhymetalliquidammoniasolutionisblue,conductiveandstrongreducibilityisthat"ammoniaelectrons"aregeneratedinthesolution. LuoyangHongchangindustryandTradeCo.,Ltd.isaspecializedcompanyengagedintheproductionandoperationofchemicalproducts.OurcompanyhasbuilttheonlyliquidammoniastorageandfillingstationinwesternHenan,withastoragescaleofmorethan1000tons,andspecializedintheproductionofabout50000tonsofammoniaandseveraldangeroustransportationvehiclesinLuoyang,whichcanprovidebetterservicesfordifferentusers,Itisthefirstchoiceforyourcooperation!

24 2021/08

What are the functions of liquid ammonia? What's the use of liquid ammonia?

Liquidammonia,alsoknownasanhydrousammonia,isacolorlessliquid.Asanimportantchemicalrawmaterial,ammoniaiswidelyused.Inordertofacilitatetransportationandstorage,gaseousammoniaisusuallypressurizedorcooledtoobtainliquidammonia.Liquidammoniaiswidelyusedinindustry,anditiscorrosiveandeasytovolatilize,sotheincidenceofchemicalaccidentsisquitehigh. Liquidammoniaismainlyusedtoproducenitricacid,ureaandotherchemicalfertilizers.Itcanalsobeusedasrawmaterialsformedicineandpesticides. Liquidammoniaisusedinthenationaldefenseindustrytomakepropellantforrocketsandmissiles.Itcanbeusedasammoniationrawmaterialoforganicchemicalproductsandasrefrigerant.Liquidammoniacanalsobeusedformercerizationoftextiles.LoneelectronpairsinNH3moleculestendtoformcoordinationbondswithothermoleculesorionstoformvariousformsofammoniacomplexes.Forexample,[Ag(NH3)2]+,[Cu(NH3)4]2+,BF3•NH3arecomplexescoordinatedwithNH3.Liquidammoniaisagoodsolvent.Duetothepolarityofmoleculesandtheexistenceofhydrogenbonds,liquidammoniaisverysimilartowaterinmanyphysicalproperties.Someactivemetalscanreplacehydrogenandformhydroxidesfromwater,butitisnotsoeasytoreplacehydrogeninliquidammonia.Butliquidammoniacandissolvemetalstoformabluesolution.Thismetalliquidammoniasolutioncanconductelectricity,decomposeslowlyandreleasehydrogen,andhasstrongreducibility.Forexample,liquidammoniasolutionofsodium:thereasonwhymetalliquidammoniasolutionisblue,conductiveandstrongreducibilityisthat"ammoniaelectrons"aregeneratedinthesolution. LuoyangHongchangindustryandTradeCo.,Ltd.isaspecializedcompanyengagedintheproductionandoperationofchemicalproducts.OurcompanyhasbuilttheonlyliquidammoniastorageandfillingstationinwesternHenan,withastoragescaleofmorethan1000tons,andspecializedintheproductionofabout50000tonsofammoniaandseveraldangeroustransportationvehiclesinLuoyang,whichcanprovidebetterservicesfordifferentusers,Itisthefirstchoiceforyourcooperation!

01 2021/07

Introduction to liquid ammonia refrigerant

Liquidammonia(NH3),alsoknownasanhydrousammonia,isobtainedbypressurizingorcoolingammonia.Itisacommonrefrigerantinfresh-keepingcabinets.Thepressureofammoniarefrigerantincondenserandevaporatorismoderate(condensationpressureisgenerally0.981mpa,evaporationpressureisgenerally0.098-0.49mpa);TherefrigeratingcapacityperunitvolumeislargerthanthatofCFC-12andHCFC-22;Ithasgoodthermodynamiccharacteristicsandexcellentenvironmentalprotectionperformance,highrefrigerationcoefficientandlargeheatreleasecoefficient.Whenthesametemperatureandrefrigerationcapacityarethesame,thesizeofammoniacompressoristhesmallest. Moreover,ammoniarefrigeranthasmaturesynthesisprocess,easypreparation,lowpriceandissuitableforlarge-scaleuse.Therefore,amongallkindsofrefrigerants,liquidammoniaisthefirstchoiceforrefrigerationinmostindustrialenterprisesandiswidelyusedinindustry,largecoldstorageandsupermarketfooddisplaycabinets. Ammoniarefrigerantisflammableandtoxic.Itcorrodeszinc,copperandbronzealloys(exceptphosphorbronze)andhasapungentsmellafterencounteringwater.Therefrigerationsystemusingammoniaasrefrigerantneedstohavetwocharacteristics:safety,perfectsealingsystem,leakdetectionsystemandperfectalarmsystem.Corrosionresistance.Inammoniarefrigerationunit,copperandcopperalloymaterialscannotbeusedforpipes,instrumentsandvalves. Ammoniarefrigerantcanbewidelyusedinrefrigerationsystemsoflargeandmedium-sizedcoldstoragesandchemicalrefrigerationsystemstocooldownthroughvaporcompressionrefrigeration.Ammoniarefrigerantisalsoflammable,toxicandcorrosive.Whentheconcentrationofammoniaintheairreaches16%-23%,itwillimmediatelycauseexplosionincaseofopenfire.Therefore,oncetheliquidammonialeaks,therewillbemajorpotentialsafetyhazards.Althoughammoniadoeshavethedisadvantagesofflammabilityandtoxicity,itsusetechnologyhasbeenverymature,anditssafetycanbeguaranteed. Ammoniarefrigeranthasbeenusedintheworldformorethan150years.ItistheearliestrefrigerantusedinrefrigerationinChina.Ithasahistoryof50or60yearsinChinaandiswidelyusedallovertheworld.Itsinstallation,operationandSafetyspecificationshaveformedacompletesystem.Ammoniarefrigerantisnowusedinmanylargefactories,buildingsandcoldstorages.Ifitisoperatedproperlyandinfullaccordancewiththerules,thereisnoneedtoworryaboutsafetyatall.Thecapitalgymnasiumbuiltin1968isusingammoniasystemforrefrigeration,andtherearestillnopotentialsafetyhazardsforsomanyyears.

01 2021/07