Yadda Ake Zaɓan Hanyar Hatimi A cikin Tsarin Mashin ɗin?

1.Packing Seal

Dangane da halayen tsarin sa, ana iya raba hatimin tattarawa zuwa:

• Hatimin shiryawa mai laushi
• Hatimin tattarawa mai wuya
• Kafa hatimin shiryawa

A. Hatimin shiryawa mai laushi

Nau'in tattarawa mai laushi: Shiryawa

Ana saƙa da yawa daga zaren laushi kuma a cika shi a cikin rami da aka hatimi ta ɗigo tare da yanki mai faɗin murabba'i. Ƙarfin latsawa yana haifar da gland shine don damfara shiryawa da tilasta marufin a matse shi akan saman rufewa (shasha). A kan farfajiyar waje da ramin da aka rufe), ana haifar da ƙarfin radial don tasirin rufewa, don haka yana taka rawa.

Abubuwan da suka dace don tattarawa mai laushi:

Kayan tattarawa da aka zaɓa don shiryawa yana ƙayyade tasirin hatimin marufi. Gabaɗaya magana, kayan tattarawa yana iyakance ta yanayin zafin jiki, matsa lamba da pH na matsakaicin aiki, da ƙaƙƙarfan yanayi da ƙaƙƙarfan kayan aikin injiniya waɗanda kayan aikin ke aiki da saurin layin, da dai sauransu, kuma za su sami buƙatu don zaɓin zaɓi. kayan tattarawa. Shirye-shiryen graphite na iya jure yanayin zafi da matsa lamba, kuma yana ɗaya daga cikin samfuran da suka fi dacewa don magance matsalar yawan zafin jiki da matsa lamba. Juriya na lalata, kyakkyawan aikin rufewa, aiki mai tsayayye kuma abin dogaro. Aramid packing wani nau'in fiber ne mai ƙarfi mai ƙarfi. Marufin da aka saka yana ciki da polytetrafluoroethylene emulsion da mai mai. Polytetrafluoroethylene shiryawa an yi shi da tsarki polytetrafluoroethylene watsawa guduro a matsayin danyen abu, da farko sanya a cikin danyen fim, sa'an nan murdade, braided da saka a cikin shiryawa. Ana iya amfani da ko'ina a abinci, Pharmaceuticals, papermaking, sinadaran fiber, da dai sauransu Tsabta bukatun, da kuma bawuls da famfo mai ƙarfi tare da kafofin watsa labarai masu lalata.

B. Hatimin tattarawa mai wuya

Akwai nau'i biyu na hatimi mai wuyar haɗawa: tsaga zobe da tsaga zobe.

2.Mechanical Processing Seal

Hatimin injina koyaushe yana ƙunshi sassa biyu, juzu'i mai jujjuyawa (bangaren rawaya) da ɓangaren tsaye (bangaren orange). Fuskokin zobe biyu masu motsi da a tsaye sun zama babban saman hatimin hatimin.

Hakanan ana kiran hatimin injina na ƙarshen fuska. Dangane da ka'idodin ƙasa masu dacewa, an bayyana su azaman: aƙalla nau'ikan fuskoki biyu na ƙarshe daidai da axis na juyawa ana kiyaye su cikin kusanci da zamewa da juna a ƙarƙashin haɗin gwiwar matsin ruwa da ƙarfi na roba (ko ƙarfin maganadisu). na tsarin biyan diyya da hatimin taimako. Gina don hana zubar ruwa.

3. Busasshen Hatimin Gas

Busasshen hatimin iskar gas, ko "busashen hatimin iskar gas", sabon nau'in hatimin ƙarshen shaft ne wanda ke amfani da fasaha mai ramuka don rufe gas, kuma hatimin da ba na lamba ba ne.

Features:

Kyakkyawan aikin rufewa, tsawon rai, babu buƙatar rufe tsarin man fetur, ƙananan amfani da wutar lantarki, aiki mai sauƙi da ƙananan aiki da farashin kulawa. A matsayin tsarin rufewa mara izini wanda baya buƙatar kowane sanyaya ƙarshen fuska mai sanyaya da mai mai, busassun iskar gas suna maye gurbin hatimin zobe mai iyo da hatimin labyrinth don zama babban hatimin hatimin hatimin hatimin babban kwampreso centrifugal mai sauri a cikin masana'antar petrochemical. .

Aikace-aikace:

Injin ruwa mai saurin gudu irin su centrifugal compressors sun dace da yanayin aiki inda ƙaramin adadin iskar gas ke zubewa cikin yanayi ba tare da lahani ba, irin su compressors na iska, compressors nitrogen, da sauransu.

4. Hatimin Labyrinth

Hatimin labyrinth shine saita adadin haƙoran hatimin madauwari waɗanda aka jera su a jere a kusa da igiya mai juyawa. An kafa jerin ramukan tsaka-tsaki da ramukan fadadawa tsakanin hakora da hakora. Lokacin da matsakaicin hatimi ya wuce ta tazarar labyrinth mai raɗaɗi, yana haifar da sakamako mai maƙarƙashiya don hana zubewa.

Hatimin Labyrinth shine mafi asali nau'i na hatimi tsakanin matakai da madaidaicin madauri na centrifugal compressors. Dangane da halaye na tsari daban-daban, ana iya raba shi zuwa nau'ikan guda huɗu: santsi, zigzag, tako da saƙar zuma.

A. Hatimin labyrinth mai laushi

Hatimin labyrinth mai santsi yana da tsari guda biyu: haɗaka da sakawa. Yana da tsari mai sauƙi kuma yana da sauƙin samarwa, amma tasirin rufewa ba shi da kyau.

B. Zigzag hatimin labyrinth

Hakanan an raba hatimin labyrinth na zigzag zuwa sifofi biyu: duka da abin da aka saka. Siffar tsarin wannan hatimin labyrinth shine cewa tsayin da ke fitowa na haƙoran haƙora ya bambanta, kuma manyan haƙora da ƙananan hakora an jera su a madadinsu, kuma saman shaft ɗin da ya dace da shi wani tsagi ne na musamman concave-convex Groove, tsarin tsayi da ƙananan hakora. hakora masu daidaitawa tare da tsagi na concave-convex yana sanya ratar rufewa mai santsi zuwa nau'in zigzag, saboda haka, juriya na kwarara yana ƙaruwa kuma an inganta ingantaccen hatimi. Amma ana iya amfani da shi kawai a cikin silinda ko ɓangarori tare da filaye masu tsaga a kwance, kuma dole ne a sanya jikin da ke rufewa zuwa nau'in tsaga a kwance.

C. Taka hatimin labyrinth

Daga tsarin bincike, hatimin labyrinth mai tako yana kama da hatimin labyrinth mai santsi, amma tasirin hatimin yana kama da hatimin labyrinth zigzag, kuma ana amfani dashi sau da yawa a cikin murfin impeller da ma'auni.

D. Hatimin labyrinth na saƙar zuma

Haƙoran haƙoran hatimin labyrinth na saƙar zuma ana welded zuwa siffar saƙar zuma don samar da ɗakin faɗaɗa mai sarƙaƙƙiya. Ayyukansa na rufewa ya fi na gaba ɗaya nau'in hatimi, kuma ya dace da lokatai tare da manyan bambance-bambancen matsa lamba, kamar ma'auni na diski na ma'auni na centrifugal compressor. Hatimin labyrinth na saƙar zuma yana da tsarin masana'anta mai rikitarwa, babban ƙarfin takardar hatimi, da kyakkyawan tasirin rufewa.

5.Halin Mai

Hatimin hatimin mai shine hatimin lebe mai ɗaure kai tare da tsari mai sauƙi, ƙaramin ƙima, ƙarancin farashi, ingantaccen kulawa, da ƙarancin juriya. Ba zai iya hana zubar da matsakaici kawai ba, amma kuma ya hana kutsawa na ƙurar waje da sauran abubuwa masu cutarwa. Akwai wani nau'i na diyya don lalacewa, amma ba shi da juriya ga babban matsin lamba, don haka ana amfani da shi gabaɗaya akan famfunan sinadarai a lokuta masu ƙarancin ƙarfi.

6.Hatimin Wuta

Lokacin da famfon sinadarai ke aiki, kan matsa lamba da na'ura mai ba da taimako ya samar yana daidaita ma'aunin ruwa mai matsa lamba a bakin babban injin, ta yadda za a samu hatimi. Lokacin yin kiliya, mai ba da taimako ba ya aiki, don haka dole ne a sanye shi da na'urar hatimin ajiye motoci don magance ɗigon famfo na sinadarai wanda zai iya faruwa a lokacin yin kiliya. Mai ba da taimako yana da tsarin rufewa mai sauƙi, abin dogara da hatimi da tsawon sabis. Famfon sinadari zai iya samun ruwa mai hana ruwa yayin aiki, don haka galibi ana amfani da shi a cikin famfunan sinadarai waɗanda ke jigilar kafofin watsa labarai na ƙazanta.

7. Karkace Hatimin

Karkataccen hatimi kuma nau'i ne na hatimi mai ƙarfi. Tsagi ne mai karkace wanda aka yi masa inji a kan jujjuyawar sandar ko hannun rigar, kuma ana cika abin rufewa tsakanin sandar da hannun riga. Jujjuyawar ramin yana haifar da tsagi mai karkace don samar da tasirin isarwa kwatankwacin na famfo, ta yadda zai hana zubewar ruwan rufewa. Girman ikon rufewa yana da alaƙa da kusurwar helix, farar, faɗin hakori, tsayin haƙori, tsayin haƙori mai tasiri da girman rata tsakanin shaft da hannun riga. Tun da babu wani saɓani tsakanin hatimi, rayuwar sabis ɗin tana da tsayi, amma saboda iyakancewar sararin tsari, tsayin karkace gabaɗaya ya zama gajere, don haka ikon rufewa shima yana iyakance. Lokacin da aka yi amfani da famfo a rage gudu, tasirin rufewarsa zai ragu sosai.

Shiga wannan labarin ： Yadda Ake Zaɓan Hanyar Hatimi A cikin Tsarin Mashin ɗin

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