Chemical famfo, da hakkin zabi ne famfo, kuskure zabi ne hatsari sinadaran famfo bawul da bututu kayan aikin antifreeze matakan

Chemical famfo, da hakkin zabi shi ne famfo, da kuskure zabin shi ne hatsarin sinadari famfo bawul da bututun kayan aikin antifreeze matakan Man fetur da sinadarai sun mamaye matsayi mai matukar muhimmanci a cikin tattalin arzikin kasa, da kuma sinadaran tsarin famfo a matsayin key goyon bayan kayan aiki yana da. an kara maida hankali. Saboda hadaddun halaye na matsakaicin sinadarai, tare da ƙarin buƙatun kariyar muhalli, ta yaya za mu zaɓi nau'in famfo sinadarai? Abubuwan da ya kamata a kula da su da sauransu suna da mahimmanci musamman. Xiaobian don tattaunawa da ku game da zaɓin famfon sinadarai yakamata ku kula da al'amura! Lura na ɗaya: juriya lalata Lalata ya kasance ɗaya daga cikin hatsarori na kayan aikin sinadarai. Idan kun yi sakaci, kayan aikin za su lalace, kuma nauyi zai haifar da haɗari ko ma bala'i. Dangane da kididdigar da ta dace, kusan kashi 60% na lalacewar kayan aikin sinadarai suna lalacewa ne ta hanyar lalata, don haka ya kamata mu fara mai da hankali kan yanayin kimiyyar zaɓin kayan aiki yayin zaɓar famfo sinadarai. Yawancin lokaci ana samun rashin fahimta cewa bakin karfe shine "kayan abu", komai matsakaici da yanayin muhalli ke rike bakin karfe, wannan yana da matukar hadari. Abubuwan da ke biyowa don wasu matsakaicin sinadarai na gama gari don yin magana game da mahimman abubuwan zaɓin kayan: 1, sulfuric acid, A matsayin ɗaya daga cikin kafofin watsa labarai mai ƙarfi mai lalata, sulfuric acid wani abu ne mai mahimmanci da mahimmancin masana'antu. Daban-daban maida hankali da yanayin zafi na sulfuric acid a kan abu lalata bambanci ne babba, domin taro na fiye da 80%, da yawan zafin jiki ne kasa da 80 ℃ maida hankali sulfuric acid, carbon karfe da kuma jefa baƙin ƙarfe da mafi lalata juriya, amma shi ne bai dace da babban saurin gudu na sulfuric acid, bai dace da kayan bawul ɗin famfo ba; Bakin karfe na yau da kullun kamar 304(0Cr18Ni9), 316(0Cr18Ni12Mo2Ti) shima yana da iyakacin amfani ga matsakaicin sulfuric acid. Saboda haka, famfo bawul don isar da sulfuric acid yawanci An yi shi da babban siliki simintin simintin ƙarfe (simintin simintin simintin gyare-gyare da wahalar sarrafawa), ƙarfe mai ƙarfi mai ƙarfi (A'a. 20 gami), amma wahalar sarrafa shi da tsada, don haka ba a fifita shi ba. mutane. Fluorine roba alloy yana da matukar kyau juriya na sulfuric acid, shi ne Cibiyar Nazarin Kimiyya ta kasar Sin ta Shanghai Institute of Organic Chemistry patent material, Cibiyar Nazarin Kimiyya ta kasar Sin ta tabbatar da cewa babu wani matsakaicin sinadari da zai iya amsawa da shi, don haka yin amfani da fluorine a layi daya. famfo (F46) shine mafi zaɓin tattalin arziki. 2, hydrochloric acid Yawancin kayan ƙarfe ba su da juriya ga lalata hydrochloric acid (ciki har da kayan ƙarfe iri-iri), ferrosilicon mai ɗauke da molybdenum kuma ana iya amfani dashi don 50 ℃, 30% ƙasa da hydrochloric acid. Ya bambanta da kayan ƙarfe, yawancin kayan da ba na ƙarfe ba suna da kyakkyawan juriya ga hydrochloric acid, don haka famfo na roba mai layi da famfo na filastik (irin su robobin injiniya, robobin fluorine, da sauransu) shine mafi kyawun zaɓi don jigilar hydrochloric acid. 3, Nitric acid Gabaɗaya karafa suna saurin lalacewa a cikin nitric acid, bakin karfe ana amfani dashi sosai a cikin kayan juriya na nitric acid, duk abubuwan nitric acid a cikin ɗaki suna da juriya mai kyau na lalata, yana da kyau a faɗi cewa molybdenum yana ɗauke da bakin karfe (kamar 316, 316L) juriya na lalata nitric acid bai fi na bakin karfe na yau da kullun ba (kamar 304, 321), wani lokacin ma ya fi muni. Don yawan zafin jiki na nitric acid, yawanci ana amfani da kayan haɗin filastik na fluorine. 4, acetic acid, Yana daya daga cikin sinadarai masu lalacewa a cikin kwayoyin acid. Ƙarfe na yau da kullun za a lalata shi da gaske a cikin acetic acid na duk yawan yawa da yanayin zafi. Bakin karfe kyakkyawan abu ne mai juriya na acetic acid, kuma molybdenum 316 bakin karfe kuma za'a iya amfani da shi don babban zafin jiki da dilute acetic acid tururi. Don high zafin jiki high maida hankali acetic acid ko dauke da wasu m matsakaici da sauran matsananci bukatu, iya zabar high gami bakin karfe ko fluorine roba famfo. Kamar CQB Magnetic famfo, CQ bakin karfe Magnetic famfo. 5. Base (sodium hydroxide) Gabaɗaya lalata ba ta da ƙarfi sosai, amma maganin alkali na gabaɗaya zai samar da crystallization, saboda haka zaku iya zaɓar nau'in FSB fluoroalloy alkali famfo tare da hatimin injin silica graphite 169 abu. 6. Ammonia (ammonia hydroxide) Lalacewar mafi yawan karafa da marasa ƙarfe a cikin ruwa ammonia da ammonia (ammonia hydroxide) yana da laushi sosai. Kada a yi amfani da alluran jan ƙarfe da tagulla kawai. A wannan lokacin, CQF injiniyan filastik Magnetic famfo, FSB fluorine gami centrifugal famfo ya fi kyau. 7. Ruwan gishiri (ruwa na teku) ƙarfe na yau da kullun a cikin maganin sodium chloride da ruwan teku, yawan lalata ruwan gishiri bai yi yawa ba, gabaɗaya dole ne a yi amfani da kariyar fenti; Duk nau'in bakin karfe kuma yana da ƙarancin lalata iri ɗaya, amma yana iya haifar da lalatawar gida saboda ions chloride, yawanci bakin karfe 316 ya fi kyau. 8, barasa, ketones, esters, ethers Common barasa matsakaici irin su methanol, ethanol, ethylene glycol, propylene glycol, ketone, kamar matsakaici, akwai kowane irin methyl esters matsakaici, ethyl ester, ethers kafofin watsa labarai kamar methyl ether, butyl ether, su asali ba karfi m, don haka duk iya zabar talakawa bakin karfe, kankare selection kamata kuma bisa ga bukatun da dielectric Properties da related yi m zabi. Bugu da ƙari, yana da mahimmanci a lura cewa ketone, ester da ether suna narkewa zuwa nau'in roba iri-iri, kuma suna guje wa kuskure yayin zabar kayan rufewa. Ana ba da shawarar yin zaɓin famfo mai maganadisu filastik inorganic hatimi. Akwai wasu kafofin watsa labaru da yawa da ba za a iya gabatar da su a cikin wannan ɗaya bayan ɗaya ba, a takaice, a cikin zaɓin kayan ba dole ba ne ya zama bazuwar kuma makafi, ya kamata a tuntuɓi ƙarin bayanan da suka dace ko koya daga gwaninta. Lura na biyu: Matsalar hatimin famfo sinadarai Babu yabo shine neman kayan aikin sinadarai na har abada, kuma wannan buƙatu ne ya ba da gudummawa ga haɓaka aikace-aikacen famfo na maganadisu. Duk da haka, har yanzu akwai sauran hanya mai nisa don cimma babu yabo, kamar rayuwar sabis na keɓewar hannun rigar famfo magnetic, lalatar kayan, amincin hatimin a tsaye da sauransu. An gabatar da wasu mahimman bayanai game da rufewa a taƙaice kamar haka: 1. Form ɗin hatimi Don rufewa a tsaye, yawanci nau'ikan gasket ne kawai da zoben rufewa, kuma ana amfani da zoben rufewa sosai a cikin O-ring. Don hatimi mai ƙarfi, hatimin famfo ɗin famfo, da kyar ake amfani da shi don ba da fifiko ga hatimin injina, hatimin inji da fuska ɗaya da fuska biyu, daidaito da ƙirar mara daidaituwa, ƙirar ma'auni ya dace da hatimin matsakaicin matsa lamba (yawanci yana nufin matsa lamba ya fi 1.0 MPa), ana amfani da na'ura mai rufe fuska biyu don babban zafin jiki, mai sauƙin crystallization, danko, da matsakaici mai guba ciki har da barbashi, hatimin na'ura mai ƙare biyu ya kamata ya shigar da keɓe ruwa a cikin rami mai rufewa, kuma matsa lamba gabaɗaya ya fi matsakaicin matsa lamba 0.07 ~ 0.1MPa. 2. Seling abu Chemical Magnetic famfo a tsaye hatimi abu kullum yana amfani da fluorine roba, musamman lokuta kawai amfani da PTFE abu; A kayan sanyi na inji hatimi tsauri zobe ne mafi m, ba wuya gami a kan wuya gami ne mafi alhẽri, farashin ne high a daya hannun, biyu da wani matalauci taurin ba m, don haka shi ne mafi alhẽri ga nuna bambanci bisa ga halaye. na matsakaici. Bayani na uku: Matsalar danko Danko na matsakaici yana da babban tasiri akan aikin famfo. Lokacin da danko ya karu, famfo shugaban lankwasa ya sauko, kuma kai da gudana a cikin mafi kyawun yanayin aiki sun ragu, yayin da wutar lantarki ta tashi daidai, don haka ana rage yawan aiki. Gabaɗaya, ma'auni akan samfurin shine aikin jigilar ruwa mai tsabta, kuma ya kamata a aiwatar da juyawa yayin jigilar kafofin watsa labarai na viscous (da fatan za a koma ga ginshiƙi mai jujjuyawar da ya dace don daidaitattun daidaito na ɗanko daban-daban). Domin sufuri na mafi girma danko slurry, manna da danko ruwa, an bada shawarar a zabi turmi famfo. Ka'idar zaɓin famfo A cikin shigar da kayan aiki, don ƙayyade amfani da famfo da sigogin aiki kuma zaɓi nau'in famfo. Wannan zabin ya fara farawa daga zaɓi na nau'i da nau'i na famfo, don haka a cikin wace ka'ida don zaɓar famfo? A kan wane tushe? 1. Yi nau'in da aikin famfo da aka zaɓa ya dace da bukatun na'urar kwarara, kai, matsa lamba, zazzabi, izinin cavitation, tsotsa da sauran sigogi na tsari. 2, dole ne ya cika buƙatun sifofin matsakaici Don watsawar mai ƙonewa, fashewa, mai guba ko matsakaici mai mahimmanci na famfo, ana buƙatar hatimin hatimin ya zama abin dogaro ko babu famfo mai yabo, kamar famfo na magnetic drive (babu hatimin shaft, da amfani da keɓancewa na magnetic kai tsaye drive; Don watsa famfo mai lalata mai lalata, ana buƙatar sassan convection don amfani da kayan juriya na lalata, kamar famfo mai jujjuyawar filastik mai fluorine; Don watsawar famfo da ke dauke da matsakaicin matsakaicin matsakaici, ana buƙatar sassan convection don amfani da kayan da ba su da lalacewa, kuma idan ya cancanta, ana wanke hatimin shaft tare da ruwa mai tsabta. 3, buƙatun inji na babban abin dogaro, ƙaramin ƙara, ƙaramin girgiza. 4. Daidaita ƙididdige farashin shigarwar siyan famfo. 5, jigilar lalata matsakaici (kamar "sulfuric acid, mai daɗaɗɗen nitric acid"), matsakaici mai ƙonewa da fashewar abubuwa, amfanin muhalli bai kamata ya sami gurɓatawar yanayi ba: na iya zaɓar famfo magnetic, kamar "CQB jerin Magnetic famfo, IMD jerin Magnetic famfo, idan kana bukatar ka kai priming, za a iya zabar FZB fluorine filastik kai priming famfo 6. IHF centrifugal famfo da FSB centrifugal famfo suna da halaye na babban gudun, kananan girma, haske nauyi, high dace, babban kwarara, sauki tsarin, babu pulsation a jiko, barga yi, sauki aiki da kuma dace tabbatarwa, kamar yin amfani da yanayi ba tare da musamman bukatun, iya zabar centrifugal famfo ne mafi alhẽri 7, watsa m barbashi sinadaran matsakaici famfo, da convection sassa ne da ake buƙata don amfani da kayan da ba sa jurewa: UHB turmi famfo shine mafi kyawun zaɓi na abubuwa, UHB lalata juriya lalacewa mai jurewa turmi famfo abu don mafi girman digiri na sabon injin filastik UHBWPE, ingantaccen nauyi ne mai girman gaske (fiye da 5). miliyan) polyethylene. Daga cikin robobi, yana da kyakkyawan juriya na lalacewa. Kwatancen gwaji ya nuna cewa juriyar sa ya fi na bakin karfe girma, kuma yana da kaddarori na musamman kamar juriya mai tasiri, juriya mai rarrafe da kyakkyawan juriya na lalata (kwatankwacin F4), da rashin mannewa. 8. Lokacin da matsakaicin matakin ruwa yana ƙasa da wurin shigarwa na famfo: FZB fluoroplastic mai sarrafa kansa ya kamata a zaba. Idan kuna buƙatar saduwa da halaye na famfo magnetic, ana iya zaɓar ZMD fluoroplastic kai-priming famfo Magnetic famfo 9, bisa ga tsarin aikin famfo don zaɓar ƙirar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai: lokacin da buƙatun amfani a cikin tebur sigar aikin ba za a iya samu ba. samfurin da ya dace zai iya komawa zuwa madaidaicin aikin famfo don zaɓar nau'in famfo mafi dacewa. Chemical famfo