Classididdigar mita mai gudana

Classididdigar mita mai gudana

Za'a iya raba rabe-raben kayan aikin kwarara zuwa: mitar mitar awo, misaita ta gudu, mai niyya mai aunawa, magudanar ruwa ta lantarki, magudanar ruwa mai juyawa, rotameter, matsin lamba mai banbanci, mai auna ultrasonic, Mita mai kwararar ruwa, da dai sauransu.

1. Rotameter

Mizanin yawo na kan ruwa, wanda aka fi sani da rotameter, wani nau'in yanki ne mai saurin canzawa. A cikin bututun da ke tsaye wanda yake fadada daga kasa zuwa sama, karfin ruwan dake dauke da sashi mai zagaye yana dauke ne da karfin hydrodynamic, sannan kuma ruwan na iya zama a cikin Mazugi na iya tashi ya fadi da yardar kaina. Yana motsawa sama da ƙasa a ƙarƙashin aikin saurin gudu da buoyancy, kuma bayan daidaitawa tare da nauyin abin shawagi, ana watsa shi zuwa bugun bugun kira don nuna saurin gudana ta hanyar haɗin maganadisu. Kullum raba shi cikin gilashi da ƙarfe masu juzu'i. Roarfin motsi na ƙarfe shine wanda akafi amfani dashi a cikin masana'antar. Don kafofin watsa labarai masu lalata tare da ƙananan diamita na bututu, galibi ana amfani da gilashi. Saboda raunin gilashi, maɓallin sarrafa maɓallin ma ƙararrawar rotor ne wanda aka yi shi da ƙarfe masu daraja kamar titanium. . Akwai masana'antun sarrafa rotor na lantarki masu yawa, musamman Chengde Kroni (ta amfani da fasahar Kolon ta Jamus), Kaifeng Instrument Factory, Chongqing Chuanyi, da Changzhou Chengfeng duk suna samar da robobi. Saboda babban daidaito da maimaitawa na masu juyawa, Ana amfani dashi ko'ina cikin ganowar kwararar ƙananan diamita (≤ 200MM).  

2. Tabbatar da ƙaura mai kyau

Kyakkyawan maƙunsar ƙaura yana auna ƙwanƙwamar ruwa ta hanyar auna girman mitar da aka kafa tsakanin gidaje da rotor. Dangane da tsarin rotor, mitoci masu sauya ƙaura sun haɗa da nau'in ƙafafun kugu, nau'in goge, nau'in kayan hawa na elliptical da sauransu. Kyakkyawan matsuguni na kwararar mitoci suna da halin daidaitaccen ma'auni, wasu har zuwa 0.2%; tsari mai sauki kuma abin dogaro; fadi da amfani; babban zazzabi da juriya mai karfi; ƙananan yanayin shigarwa. Ana amfani dashi sosai a cikin ma'aunin ɗanyen mai da sauran kayan mai. Koyaya, saboda motsawar kaya, yawancin bututun shine babbar haɗarin ɓoye. Wajibi ne don girka matatar a gaban kayan aikin, wanda ke da karancin rayuwa kuma galibi yana buƙatar kulawa. Babban kayan aikin gida sune: Kaifeng Instrument Factory, Anhui Instrument Factory, da sauransu.

3. Bambancin matsa lamba mai gudana

Mizanin matsi na banbanci shine na'urar aunawa tare da dogon tarihin amfani da cikakkun bayanan gwaji. Mita ce mai aunawa wacce take auna banbancin matsin lamba wanda ruwan dake gudana ta cikin na'urar dake jujjuyawa don nuna saurin gudu. Configurationayyadadden tsari an haɗa shi da na'ura mai jujjuyawa, bututun siginar matsa lamba daban da ma'aunin matsi na daban. Mafi yawan abin da ake amfani dashi a cikin masana'antar shine "daidaitaccen abin jifa" wanda aka daidaita shi. Misali, daidaitaccen orifice, bututun ƙarfe, bututun ƙarfe, bututun iska. Yanzu na'urar da ke jujjuyawa, musamman ma'aunin ƙarancin bututun ƙarfe, tana motsawa zuwa haɗuwa, kuma mai saurin daidaitaccen watsa bayanai da rarar zafin jiki an haɗa su tare da bututun, wanda ke inganta daidaito sosai. Ana iya amfani da fasaha ta bututun Pitot don daidaita abin da ake jefawa ta yanar gizo. A zamanin yau, ana amfani da wasu na'urorin da ba su da kyau a ma'aunin masana'antu, kamar faranti guda biyu, faranti masu lankwasawa, faranti na shekara, da dai sauransu. Wadannan mitocin gabaɗaya suna buƙatar daidaituwa ta gaske. Tsarin naƙurar kayan aiki yana da sauƙi, amma saboda ƙaƙƙarfan buƙatunsa don haƙuri, sifa da haƙurin matsayi, fasahar sarrafawa tana da ɗan wahala. Plateaukar farantin daidaitaccen misali a matsayin misali, yanki ne mai tsattsauran ra'ayi, wanda yake da lahani a yayin aiki, kuma manyan faranti suna iya fuskantar lalacewa yayin amfani, wanda ke shafar daidaito. Ramin matsi na na'urar jefawa bai da girma sosai, kuma zai iya canzawa yayin amfani, wanda zai shafi ƙimar awo daidai. Tabbataccen faranti mai haske zai lalace abubuwan tsarin da ke da alaƙa da auna (kamar ƙananan kusurwa) saboda ɓarkewar ruwan da ke kansa yayin amfani, wanda zai rage daidaiton ma'aunin.

Kodayake ci gaban mitoci masu matsi daban-daban ya kasance da wuri, tare da ci gaba da ci gaba da haɓaka wasu nau'ikan mita masu gudu, da ci gaba da haɓaka buƙatun ƙididdigar kwarara don ci gaban masana'antu, matsayin mitoci na matsa lamba daban a ma'aunin masana'antu ya kasance sashi Ana maye gurbinsa da ci gaba, daidaitaccen tsari da kuma mita masu gudana.

4. Mizanin lantarki na lantarki

An inganta keɓaɓɓiyar magwajin lantarki bisa ga tsarin Faraday electromagnetic induction don auna ƙimar yawan ruwa mai gudana. A cewar dokar Faraday ta shigar da maganadisun lantarki, yayin da madugu ya yanke layin maganadisu a cikin wani maganadisu, ana samar da wutar lantarki da aka jawo a cikin madugu. Girman ƙarfin wutar lantarki ya yi daidai da na mai gudanarwa. A cikin magnetic magana, saurin motsi da yake daidai da filin maganadisu daidai gwargwado, sannan kuma gwargwadon diamita na bututu da bambancin matsakaici, ana jujjuya shi zuwa saurin gudu.

Electromagnetic flowmeter da kuma ka'idojin zabi: 1) Ruwan da za'a auna dole ne ya kasance mai gudanar da ruwa ko kuma slurry; 2) Matsakaici da kewayon, zai fi dacewa yanayin al'ada ya fi rabin cikakken zangon, kuma ƙimar gudu tana tsakanin mita 2-4; 3). Matsalar aiki dole ne ta zama ƙasa da ƙarfin juriya na mai auna mita; 4). Ya kamata a yi amfani da kayan rufi daban-daban da kayan lantarki don yanayin yanayin zafi daban-daban da kafofin watsa labarai masu lalatawa.

Daidaitan ma'aunin ma'aunin zafin lantarki ya ta'allaka ne da yanayin da ruwa ke cike da bututun, kuma har yanzu ba a warware matsalar auna iska a cikin bututun ba.

Fa'idodi na zafin lantarki na lantarki: Babu wani yanki mai juyawa, don haka asarar matsa lamba karama ce, kuma an rage amfani da kuzari. Yana da alaƙa ne kawai da matsakaicin saurin ruwan da aka auna, kuma zangon auna yana da faɗi; wasu kafofin watsa labaru za a iya auna su ne kawai bayan ma'aunin ruwa, ba tare da gyara ba, mafi dacewa don amfani azaman ma'aunin ma'auni don sasantawa. Saboda cigaban cigaban fasaha da kayan aiki, cigaban cigaban kwanciyar hankali, linzami, daidaito da rayuwa, da kuma ci gaba da fadada bututun diamita, auna karfin kafafen watsa labaru masu ruwa biyu masu amfani da wayoyin da zasu maye gurbinsu da kuma yankan wutan lantarki dan magance matsala. Babban matsin lamba (32MPA), juriya na lalata (anti-acid da rufin alkali) matsakaiciyar matsalolin aunawa, haka nan kuma ci gaba da fadadawa daga ma'aunin (zuwa 3200MM caliber), ci gaba da karuwa a rayuwa (gabaɗaya ya fi shekaru 10), electromagnetic masu amfani da wutar lantarki suna ta ƙara yawaita Amfani da ita, an rage rage farashinta, amma farashin gabaɗaya, musamman farashin manyan diamita bututu, har yanzu yana da yawa, saboda haka yana da mahimmin matsayi wajen siyan mitunan gudu.

5. Ultrasonic flowmeter

Ultrasonic flowmeter shine sabon nau'in kayan aikin auna zamani wanda aka kirkira a zamani. Matukar dai za'a iya auna ruwan da zai iya watsa sauti ta hanyar na'urar motsa jiki ta ultrasonic; ultrasonic flowmeter na iya auna kwararar babban ruwa mai narkewa, ruwa mara gudana ko gas, kuma ma'auninta Tsarin ka'idar kwarara shine: saurin yaduwa na igiyoyin ruwa a cikin ruwa zai banbanta da yawan gudan ruwan da ake aunawa. A halin yanzu, madaidaiciyar madaidaiciyar wutar lantarki ta zamani har yanzu ita ce duniya ta kamfanonin waje, kamar Fuji na Japan, da Amurka 'Kanglechuang; masana'antun gida na ultrasonic flowmeters sun hada da: Tangshan Meilun, Dalian Xianchao, Wuhan Tailong da sauransu.

Ba a amfani da masu amfani da Ultrasonic flowmeters gaba daya azaman kayan aiki na ma'auni, kuma ba za a iya dakatar da samarwa don maye gurbin lokacin da ma'aunin ma'auni ya lalace ba, kuma galibi ana amfani da shi a yanayin da ake buƙatar sigogin gwaji don jagorantar samarwa. Babbar fa'idar ultrasonic flowmeters ita ce ana amfani dasu don auna ma'auni mai girman-yawa (diamita diamita sama da mita 2). Ko da an yi amfani da wasu ma'aunin ma'auni don sasantawa, yin amfani da madaidaicin madaidaicin ultrasonic na iya adana farashi da rage kulawa.

6. Mita yawo mita

Bayan shekara da shekaru na bincike, kamfanin MICRO-MOTION na Amurka ne ya fara gabatar da bututun mai U-dimbin yawa a shekarar 1977. Da zarar wannan injin mai auna mitar ya fito, sai ya nuna mahimmancinsa. Amfaninta shine cewa ana iya samun siginar yawan taro kai tsaye, kuma tasirin tasirin Matsalar jiki ba ya shafarta, daidaito is 0.4% na ƙimar da aka auna, wasu kuma zasu iya kaiwa 0.2%. Zai iya auna nau'ikan gas da yawa, ruwa da slurries. Ya dace musamman don auna gas mai shayarwa da gas mai narkewa tare da ingantattun kafofin watsa labaru na ciniki, an haɓaka Theararrawar wutar lantarki bai isa ba; saboda raunin saurin gudu yana gudana ba tare da shi ba, babu bukatar sassan bututu kai tsaye a gaba da bayan bangarorin na magwajin. Abun rashin fa'ida shine cewa mashigin ma'auni yana da daidaitaccen aiki kuma gabaɗaya yana da tushe mai nauyi, saboda haka yana da tsada; saboda faɗakarwar waje yana iya sauƙaƙa shi kuma daidaito ya ragu, kula da zaɓin wurin shigarta da kuma hanyarta.

7. Vortex flowmeter

Mizanin juyawa na vortex, wanda aka fi sani da vortex flowmeter, samfur ne wanda kawai ya fito a ƙarshen 1970s. Ya shahara tun lokacin da aka sanya shi a kasuwa kuma ana amfani dashi ko'ina don auna ruwa, gas, tururi da sauran kafofin watsa labarai. Vortex flowmeter shine mitocin gudu. Siginar fitarwa alama ce ta bugun jini ko daidaitaccen siginar halin yanzu daidai gwargwadon ƙimar gudana, kuma tasirin zafin jiki na ruwa, haɓakar matsa lamba, danko da danshi ba ya shafar su. Tsarin yana da sauki, babu sassan motsi, kuma bangaren ganowa baya taba ruwan da za'a auna shi. Yana da halaye na babban daidaito da tsawon rayuwar sabis. Rashin dacewar shine ana buƙatar wani ɓangaren madaidaiciyar bututu yayin shigarwa, kuma nau'in na yau da kullun bashi da kyakkyawar mafita ga rawar jiki da yanayin zafin jiki. Hanyar titin yana da nau'ikan bizaelectric da nau'ikan ƙarfin wuta. Latterarshen yana da fa'idodi a cikin juriya da zafin jiki da ƙarfin jijjiga, amma ya fi tsada kuma ana amfani da shi gaba ɗaya don auna tururin mai ɗumi.

8. Target kwararar mita

Ma'aunin aunawa: Lokacin da matsakaici ya gudana a cikin bututun aunawa, bambancin matsin lamba tsakanin makamashinsa na motsa jiki da farantin da ake niyya zai haifar da ɗan kaura na farantin da ake niyya, kuma sakamakon da ya samu ya yi daidai da ƙimar gudu. Zai iya auna ƙananan ƙaramin kwarara, ƙananan ƙarancin gudu (0 -0.08M / S), kuma daidaito na iya kaiwa 0.2%.


Post lokaci: Apr-07-2021