16. Chii chinonzi pressure dew point?
Mhinduro: Mushure mekunge mhepo ine hunyoro yamanikidzwa, huwandu hwemvura inopfungaira hunowedzera uye tembiricha inokwirawo. Kana mhepo yakamanikidzwa yatonhodzwa, hunyoro hunowedzera. Kana tembiricha ikaramba ichidzika kusvika pa100% hunyoro, madonhwe emvura anodonhedzwa kubva mumhepo yakamanikidzwa. Tembiricha panguva ino ndiyo "pressure dew point" yemhepo yakamanikidzwa.
17. Ndeipi hukama huripo pakati penzvimbo ye pressure dew nenzvimbo ye pressure dew yakajairika?
Mhinduro: Hukama hunoenderana pakati penzvimbo yepressure dew nenzvimbo yepressure dew yakajairika hunoenderana nechiyero chekumanikidzwa. Pasi penzvimbo yepressure dew imwe chete, chiyero chekumanikidzwa chakakura, ndipo panodzikira nzvimbo yepressure dew yakajairika. Semuenzaniso: kana nzvimbo yedew yepressure yemhepo yakamanikidzwa ye0.7MPa iri 2°C, yakaenzana ne -23°C pakumanikidzwa kwakajairika. Kana kumanikidzwa kwacho kwawedzera kusvika pa1.0MPa, uye nzvimbo yedew yekumanikidzwa kwakafanana iri 2°C, nzvimbo yedew yekumanikidzwa kwakajairika inodonha kusvika pa -28°C.
18. Chii chinoshandiswa kuyera dova remhepo yakamanikidzwa?
Mhinduro: Kunyangwe chikamu che pressure dew point chiri Celsius (°C), zvinoreva huwandu hwemvura mumhepo yakamanikidzwa. Saka, kuyera dova point kunenge kuri kuyera hunyoro hwemhepo. Kune zvishandiso zvakawanda zvekuyera dova point yemhepo yakamanikidzwa, zvakaita se "mirror dew point instrument" ine nitrogen, ether, nezvimwewo senzvimbo inotonhora, "electrolytic hygrometer" ine phosphorus pentoxide, lithium chloride, nezvimwewo se electrolyte, nezvimwewo. Parizvino, mita dzegasi dzinoshandiswa zvakanyanya muindasitiri kuyera dova point yemhepo yakamanikidzwa, senge British SHAW dew point meter, iyo inogona kuyera kusvika -80°C.
19. Chii chinofanira kutariswa pakuyera nzvimbo yedova yemhepo yakamanikidzwa nemeta yedova?
Mhinduro: Shandisa chiyereso chedova kuti upime nzvimbo yedova remhepo, kunyanya kana mvura iri mumhepo yakayerwa yakaderera zvakanyanya, mashandiro acho anofanira kungwarira uye kuva nemoyo murefu. Midziyo yekutora sampu yegesi nemapaipi ekubatanidza anofanira kunge akaoma (akaoma kupfuura gasi rinofanira kuyerwa), kubatana kwepaipi kunofanira kunge kwakavharwa zvachose, mwero wekuyerera kwegasi unofanirwa kusarudzwa zvichienderana nemitemo, uye nguva yakareba yakakwana yekurapa inodiwa. Kana ukangwarira, pachava nekukanganisa kukuru. Maitiro akaratidza kuti kana "moisture analyzer" ichishandisa phosphorus pentoxide se electrolyte ichishandiswa kuyera nzvimbo yedova remhepo yakamanikidzwa yakarapwa nechinhu chinotonhora, kukanganisa kwacho kwakakura kwazvo. Izvi zvinokonzerwa ne secondary electrolysis inogadzirwa nemhepo yakamanikidzwa panguva yekuyedza, zvichiita kuti kuverenga kwacho kuve kwakakwirira kupfuura zvazviri chaizvo. Saka, rudzi urwu rwechishandiso harufanirwe kushandiswa pakuyera nzvimbo yedova remhepo yakamanikidzwa yakabatwa nechinhu chinoomesa mufiriji.
20. Ko pressure dew point yemhepo yakamanikidzwa inofanira kuyerwa kupi mudryer?
Mhinduro: Shandisa chiyereso chedova kuti uverenge nzvimbo inomanikidza mweya wakamanikidzwa. Nzvimbo yekuyeresa inofanira kuiswa mupombi yekuomesa, uye gasi remuenzaniso harifanirwe kunge riine madonhwe emvura. Pane zvikanganiso munzvimbo dzinoyeresa dova zvakayerwa pane dzimwe nzvimbo dzekuyeresa.
21. Tembiricha yekubuda kwemvura inogona kushandiswa here pachinzvimbo che pressure dew point?
Mhinduro: Muchitofu chinotonhorera, kuverenga kwetembiricha yemvura inobuda (pressure yemvura inobuda) hakugone kushandiswa kutsiva pressure dew point yemhepo yakamanikidzwa. Izvi zvinodaro nekuti muevaporator ine nzvimbo shoma yekuchinjana kupisa, pane musiyano wetembiricha usinganyanyi kukosha pakati pemhepo yakamanikidzwa netembiricha yemvura inobuda mufiriji panguva yekuchinjana kupisa (dzimwe nguva kusvika 4~6°C); tembiricha iyo mhepo yakamanikidzwa inogona kutonhodzwa inogara yakakwira kupfuura yerefrigerant. Tembiricha yemvura inobuda yakakwira. Kugona kwekuparadzanisa kwe "gas-water separator" pakati peevaporator nepre-cooler hakugone kuva 100%. Pachagara paine chikamu chemadonhwe emvura asina kupera ayo anopinda mupre-cooler nemhepo inoyerera uye "anobuda mumhepo" ipapo. Anoderedzwa kuita utsi hwemvura, izvo zvinowedzera huwandu hwemvura mumhepo yakamanikidzwa uye zvinokwidza dew point. Saka, mune iyi kesi, tembiricha yemvura inobuda mufiriji inoyerwa inogara yakaderera pane pressure dew point chaiyo yemhepo yakamanikidzwa.
22. Nzira yekuyera tembiricha inogona kushandiswa mumamiriro api ezvinhu pachinzvimbo che pressure dew point?
Mhinduro: Matanho ekutora sampuli nguva nenguva uye kuyera nzvimbo yekudzikisa mweya uchishandisa SHAW dew point meter munzvimbo dzemaindasitiri akaoma, uye mhedzisiro yebvunzo inowanzo kanganiswa nemamiriro ebvunzo asina kukwana. Saka, mune dzimwe nguva apo zvinodiwa zvisiri zvakanyanya, thermometer inowanzo shandiswa kuyera nzvimbo yekudzikisa mweya yakamanikidzwa.
Hwaro hwedzidziso hwekuyera pressure dew point yemhepo yakamanikidzwa ne thermometer ndeiyi: kana mhepo yakamanikidzwa ichipinda mu precooler kuburikidza ne gas-water separator mushure mekumanikidzwa kutonhora ne evaporator, mvura yakamanikidzwa inotakurwa mairi yakaparadzaniswa zvachose mu gas-water separator, saka panguva ino tembiricha yemhepo yakamanikidzwa ndiyo pressure dew point yayo. Kunyangwe hazvo kushanda kwe separation ye gas-water separator hakugone kusvika 100%, asi kana mvura yakamanikidzwa ye pre-cooler ne evaporator yakaburitswa zvakanaka, mvura yakamanikidzwa inopinda mu gas-water separator uye inoda kubviswa ne gas-water separator inongotarisa chikamu chidiki kwazvo chehuwandu hwe condensate. Saka, chikanganiso pakuyera pressure dew point nenzira iyi hachisi chikuru kwazvo.
Pakushandisa nzira iyi kuyera pressure dew point yemhepo yakamanikidzwa, nzvimbo yekuyera tembiricha inofanira kusarudzwa pamucheto we evaporator ye cold dryer kana mu gas-water separator, nekuti tembiricha yemhepo yakamanikidzwa ndiyo yakaderera pane iyi nzvimbo.
23. Ndedzipi nzira dzekuomesa nemhepo yakamanikidzwa?
Mhinduro: Mhepo yakamanikidzwa inogona kubvisa utsi hwemvura huri mairi nekudzvanya, kutonhora, kunyungudutsa mvura nedzimwe nzira, uye mvura yemvura inogona kubviswa nekudziya, kusefa, kupatsanura michina nedzimwe nzira.
Chishandiso chekuomesa chiri mufiriji chishandiso chinotonhodza mweya wakamanikidzwa kuti chibvise utsi hwemvura huri mauri uye chiwane mweya wakamanikidzwa wakaoma. Chishandiso chekumashure checompressor yemhepo chinoshandisawo kutonhodza kubvisa utsi hwemvura huri mauri. Zvishandiso zvekuomesa zvinoshandisa musimboti wekuomesa mvura kubvisa utsi hwemvura huri mumhepo yakamanikidzwa.
24. Chii chinonzi mhepo yakamanikidzwa? Ndezvipi zvinhu zvinoiumba?
Mhinduro: Mhepo inomanikidzwa. Mhepo inoteverwa necompressor inoita basa remakanika kuderedza vhoriyamu yayo uye kuwedzera kumanikidzwa kwayo inonzi mhepo yakamanikidzwa.
Mhepo yakamanikidzwa inzvimbo inokosha yesimba. Kana ichienzaniswa nedzimwe nzvimbo dzesimba, ine zvinhu zvinotevera zviri pachena: yakajeka uye yakajeka, iri nyore kutakura, haina zvinhu zvinokuvadza, uye haina kusvibiswa kana kusvibiswa kwakaderera, tembiricha yakaderera, haina njodzi yemoto, haina kutya kuwandisa, inokwanisa kushanda munzvimbo dzakawanda dzisina kunaka, iri nyore kuwana, haiperi.
25. Ndeapi tsvina iri mumhepo yakamanikidzwa?
Mhinduro: Mhepo yakamanikidzwa inoburitswa mucompressor yemhepo ine tsvina yakawanda: ①Mvura, kusanganisira mhute yemvura, mhute yemvura, mvura yakakomberedzwa; ②Oiri, kusanganisira mavara emafuta, mhute yemafuta; ③Zvinhu zvakasiyana-siyana zvakasimba, zvakaita sedope rengura, upfu hwesimbi, rabha Fines, tara particles, filter materials, fines ye sealing materials, nezvimwewo, pamusoro pezvinhu zvakasiyana-siyana zvinokuvadza zvemakemikari.
26. Chii chinonzi system yemhepo? Inosanganisira zvikamu zvipi?
Mhinduro: Sisitimu iyi inoumbwa nemidziyo inogadzira, inogadzira uye inochengeta mhepo yakamanikidzwa inonzi sisitimu yemhepo. Sisitimu yemhepo inowanzo kuve nezvikamu zvinotevera: compressor yemhepo, rear cooler, Mafirita (kusanganisira mafirita ekare, mafirita emafuta-mvura, mafirita emapaipi, mafirita ekubvisa mafuta, mafirita ekubvisa kunhuhwirira, mafirita ekuuraya utachiona, nezvimwewo), matangi ekuchengetera gasi akagadzika, madhiraivha (akaiswa mufiriji kana kuti anonyungudutsa), Automatic drainage and sewage discharger, gas pipeline, pipeline valve parts, instruments, nezvimwewo. Midziyo iyi inosanganiswa kuita system yakazara yegasi zvichienderana nezvinodiwa zvakasiyana zvemaitiro acho.
27. Ndezvipi njodzi dzetsvina mumhepo yakamanikidzwa?
Mhinduro: Mhepo inoburitswa nemhepo yakamanikidzwa kubva mucompressor ine tsvina yakawanda inokuvadza, tsvina huru itsvina dzakasimba, hunyoro uye mafuta ari mumhepo.
Mafuta ekuzora anogadzirwa neutsi anozogadzira organic acid inoparadza michina, inoparadza rabha, mapurasitiki, nezvinhu zvinovhara, inovhara maburi madiki, inokonzera kusashanda zvakanaka kwemavharuvhu, uye inosvibisa zvigadzirwa.
Hunyoro hwakazara mumhepo yakamanikidzwa huchapinda mumvura pasi pemamwe mamiriro ezvinhu uye huchaungana mune dzimwe nzvimbo dzehurongwa. Hunyoro uhwu hune ngura pazvikamu nemapaipi, zvichiita kuti zvikamu zvinofamba zvinamire kana kusakara, zvichikonzera kuti zvikamu zvinofamba nemhepo zvisashande zvakanaka uye mhepo ibude; munzvimbo dzinotonhora, kutonhora kwemvura kuchaita kuti mapaipi aite chando kana kutsemuka.
Kusachena kwakadai seguruva riri mumhepo yakamanikidzwa kuchapfekedza nzvimbo dzinofamba dziri mu cylinder, air motor uye air reversering valve, zvichideredza hupenyu hwekushanda kwesystem.
Nguva yekutumira: Chikunguru-17-2023
