Chifukwa chiyani pali kusiyana kwa mtengo pakati pa mtundu womwewo wa ma frequency apakati ng’anjo yosungunula induction?

Kusungunuka kwapang’onopang’ono kwapakatikati kumakhala ndi kutentha kwakukulu, kuchita bwino kwambiri, kutayika pang’ono, kutentha pang’ono, kutentha pang’ono kwa malo ochitira msonkhano, kuchepetsa kutulutsa utsi, kupulumutsa mphamvu, kuchulukirachulukira, kukhazikika kwa ntchito, kuchepa kwa ntchito, komanso malo aukhondo achipinda. Makamaka chitsulo choponyedwa, ng’anjo yosungunuka imapindulitsa kupeza madzi otsika a sulfure omwe sangafanane ndi cupola. Posankha ng’anjo yapakatikati yosungunuka, kampani yoyambira iyenera kusankha zotsatirazi molingana ndi mphamvu ya thiransifoma, zofunikira zopangira, kuchuluka kwa ndalama, ndi zina zambiri, pogula zida.

1.   Medium frequency induction melting condition

1.1 Sing’anga pafupipafupi kupatsidwa ulemu kusungunuka thiransifoma mphamvu

Pakali pano, kwa SCR full-mlatho parallel inverter IF magetsi, ubale manambala pakati pa thiransifoma mphamvu ndi magetsi ndi: mtengo wa thiransifoma mphamvu = mtengo wa magetsi x 1.2

Pakuti IGBT theka mlatho mndandanda inverter IF mphamvu yamagetsi (yomwe imadziwika kuti imodzi kwa ziwiri, imodzi yosungunula imodzi, ziwiri zogwirira ntchito imodzi), mgwirizano wa chiwerengero pakati pa mphamvu ya thiransifoma ndi magetsi ndi: mtengo wa thiransifoma = mtengo wa mphamvu perekani x 1.1

Transformer ndi chosinthira chowongolera. Pofuna kuchepetsa kusokoneza kwa ma harmonics, ndi momwe zingathere kwa ndege yapadera, ndiko kuti, mphamvu imodzi yapakatikati yapakati imakhala ndi chosinthira chosinthira.

1.2   IF induction fuse line voltage

Pamagetsi apakati pafupipafupi omwe ali pansi pa 1000KW, magawo atatu amawaya 380V, 50HZ magetsi amagwiritsidwa ntchito, ndipo magetsi 6-pulse single-rectifier intermediate frequency magetsi amakonzedwa. Pamagetsi apakati pafupipafupi kuposa 1000KWY, cholinga chake ndikugwiritsa ntchito voteji yomwe ikubwera ya 660V (opanga ena amagwiritsa ntchito 575V kapena 750V). Chifukwa 575VZ kapena 750V ndi mulingo wamagetsi osakhala wamba, zowonjezera sizili bwino kugula, ndizovomerezeka kuti musagwiritse ntchito). Konzani magetsi a 12-pulse double-rectifier IF mphamvu zamagetsi pazifukwa ziwiri: chimodzi ndikuwonjezera mphamvu yogwiritsira ntchito powonjezera mphamvu yamagetsi yomwe ikubwera; yachiwiri ndi yayikulu Ma harmonics opangidwa ndi mphamvu adzasokoneza grid. Kukonzanso kawiri kumatha kupeza DC yowongoka. Katundu wamakono ndi mawonekedwe a rectangular, ndipo mphamvu yamagetsi imakhala pafupi ndi sine wave, zomwe zimachepetsa kusokoneza kwa gridi pazida zina.

Ogwiritsa ntchito ena amatsata mwachimbulimbuli voteji yayikulu (ena 1000KW amagwiritsa ntchito voteji ya mzere wa 900V), ndikukwaniritsa kupulumutsa mphamvu kuyambira kutsika kwapano. Sindikudziwa ngati izi zikuwononga moyo wa ng’anjo yamagetsi. Sikoyenera kutayika, voteji yapamwamba ndi yosavuta kufupikitsa moyo wa zigawo zamagetsi. , platoon yamkuwa, kutopa kwa chingwe, kotero kuti moyo wa ng’anjo yamagetsi umachepetsedwa kwambiri. Kuphatikiza apo, voteji yayikulu kwa opanga ng’anjo yamagetsi, zopangira zimachepetsedwa potengera zinthu, kupulumutsa ndalama. Opanga ng’anjo yamagetsi ndi okonzeka kutero (mtengo wamtengo wapatali wotsika mtengo.) Kutayika komaliza kumagwiritsidwabe ntchito kwa opanga ng’anjo yamagetsi.

2. Zofuna za mphamvu

Nthawi zambiri, mphamvu ya ng’anjo yosungunula yapakati pafupipafupi imatha kutsimikiziridwa ndi kulemera kwa zidutswa zamunthu payekha komanso kulemera kwachitsulo chosungunuka chofunikira tsiku lililonse. Kenako dziwani mphamvu ndi kuchuluka kwa magetsi a IF. Zida zotenthetsera zotenthetsera ndi chinthu chosakhazikika. Pakadali pano, palibe muyezo mdziko muno, ndipo masinthidwe ambiri amakampani akuwonetsedwa mu Gulu 1.

Table 1 Zosankha za ng’anjo zosungunuka zapakatikati

Zitha kuwoneka kuchokera ku Table 1 kuti kachulukidwe kamphamvu ka ng’anjo yotentha yapanyumba pafupipafupi ndi pafupifupi 500 KW / tani, yomwe ndi yotsika kuposa mtengo woyerekeza wa 600-800 KW, makamaka poganizira za moyo wamkati ndi kasamalidwe kakupanga. Pansi pa kachulukidwe kakang’ono kamphamvu, kugwedezeka kwa ma elekitiromu kumatulutsa kukwapula kolimba kwazitsulo, ndipo zofunikira pazida zomangira, njira zomangira ng’anjo, njira zosungunuka, zida, ndi zida zothandizira ndizokwera. Malinga ndi kasinthidwe pamwambapa, nthawi yosungunuka pa ng’anjo iliyonse ndi mphindi 75 (kuphatikiza kudyetsa, kupulumutsa zonyansa, kuzimitsa ndi kutenthetsa nthawi). Ngati kuli kofunikira kufupikitsa nthawi yosungunuka pa ng’anjo iliyonse, mphamvu ya mphamvu ya gwero la mphamvu imatha kuwonjezeka ndi 100 KW / tani pamene mphamvu ya ng’anjo imakhala yosasinthasintha.

3. Kusankha kwadongosolo

Malinga ndi machitidwe am’mafakitale, ng’anjo yosungunuka ya aluminiyamu aloyi ndi chochepetsera chifukwa njira yopendekera imadziwika kuti ng’anjo ya aluminium. Ng’anjo yosungunuka yachitsulo yokhala ndi silinda ya hydraulic monga ng’anjo yopendekera imatchedwa ng’anjo yachitsulo. Kusiyana pakati pa ziwirizi kukuwonetsedwa mu Table 2 ndi Chithunzi 1.

Table 2 Ng’anjo yachitsulo yachitsulo ndi ng’anjo ya aluminiyamu ndi yosiyana (tenga tani 1 ya ng’anjo yachitsulo monga chitsanzo)

Poyerekeza ndi ng’anjo ya chipolopolo cha aluminiyamu, ubwino wa ng’anjo yachitsulo ndi mfundo zisanu:

1) Zowoneka bwino komanso zokongola, makamaka pang’anjo zazikuluzikulu, zomwe zimafunikira dongosolo lolimba lolimba. Kuchokera pamalo otetezeka a ng’anjo yopendekeka, yesani kugwiritsa ntchito ng’anjo yachitsulo.

2) Goli lopangidwa ndi zishango zachitsulo za silicon ndipo limatulutsa mizere ya maginito yopangidwa ndi koyilo yolowera, imachepetsa kutayikira kwa maginito, imapangitsa kuti kutentha kwabwino, kumawonjezera kupanga, ndikupulumutsa mphamvu ndi 5% -8%.

3) Kukhalapo kwa chivundikiro cha ng’anjo kumachepetsa kutentha kwa kutentha ndikuwonjezera chitetezo cha zipangizo.

4) Moyo wautali wautumiki, aluminiyumu imakhala ndi okosijeni kwambiri pa kutentha kwakukulu, zomwe zimapangitsa kutopa kwachitsulo. Pamalo opangira bizinesi, nthawi zambiri zimawoneka kuti chipolopolo cha ng’anjo ya aluminiyamu chomwe chimagwiritsidwa ntchito kwa chaka chimodzi kapena kuposerapo chasweka, ndipo ng’anjo yachitsulo imakhala ndi kutayikira kwakanthawi kochepa, ndipo moyo wautumiki wa zidazo umaposa kwambiri chipolopolo cha aluminiyamu. ng’anjo.

5) Ntchito yachitetezo Chigoba cha ng’anjo yachitsulo ndi yabwino kwambiri kuposa ng’anjo ya aluminiyamu. Chigoba cha aluminiyamu chikasungunuka, chipolopolo cha aluminiyamu chimapunthwa mosavuta chifukwa cha kutentha kwambiri komanso kuthamanga kwambiri, ndipo chitetezo chimakhala chochepa. Ng’anjo yachitsulo yachitsulo imagwiritsa ntchito ng’anjo yopendekera ya hydraulic ndipo ndi yotetezeka komanso yodalirika.

Why are the prices of the same model different? How do you choose the “medium frequency melting furnace”?

Mtengo wa ng’anjo yamtundu womwewo wa ng’anjo yapakati pafupipafupi ndi yosiyana kwambiri. Tengani ng’anjo ya tani 1 yomwe imagwiritsidwa ntchito kwambiri monga chitsanzo. Mtengo wamsika nthawi zina umasiyana kangapo, womwe umakhudzana ndi kapangidwe ka ng’anjo, kusankha chigawo, luso laukadaulo, ntchito yogulitsa pambuyo pogulitsa komanso mtundu. Zinthu zambiri ndizofunikira.

Zida zosiyanasiyana

Chipolopolo cha ng’anjo ndi goli: Posankha chipolopolo cha ng’anjo ya aluminiyamu, ng’anjo ya 1 tani ya aluminiyamu ya ng’anjo imakhala ndi chipolopolo cha ng’anjo yolemera 400Kg ndi makulidwe a 40mm. Opanga ena nthawi zambiri amakhala ndi kulemera ndi kusakwanira makulidwe. Mbali yofunika kwambiri ya ng’anjo yachitsulo yachitsulo ndi kusankha kwa goli. Kusankhidwa kwa mtundu womwewo wa goli la ng’anjo yachitsulo ndi yosiyana. Kusiyana kwamitengo ndi kwakukulu kwambiri. Nthawi zambiri, chitsamba chatsopano chachitsulo chozizira kwambiri chokhala ndi silicon chokhala ndi Z11 chiyenera kusankhidwa. Silicon chitsulo Makulidwe a pepala ndi 0.3mm, ndipo mawonekedwe ozungulira amatengedwa. Malo amkati a arc ndi arc akunja ozungulira a coil induction ndi ofanana, kotero kuti goli likhoza kumangirizidwa kwambiri ndi mbali yakunja ya coil induction, ndipo coil yoletsa kwambiri imatuluka kunja, ndipo goli liri lopanda banga. mbale zachitsulo ndi zitsulo zosapanga dzimbiri zimamangidwa, kutenthedwa ndi kukhazikika, ndikuzizidwa ndi madzi.

(Opanga ena amagwiritsa ntchito zinyalala, osayang’ana, kapenanso mapepala achitsulo a silicon omwe amachotsedwa pazitsulo zogwiritsidwa ntchito kuti apange magoli,)

Chubu chamkuwa ndi mzere womwewo: Pakatikati pa ng’anjo yosungunuka ndi zotsatira za chubu chamkuwa chozizira komanso chubu chamkuwa cha koyilo yolowera. The T2 ozizira-extruded mkuwa chubu ndi chimphona mtanda gawo ayenera kugwiritsidwa ntchito. The pamwamba kutchinjiriza mankhwala chubu mkuwa ndi electrostatically kupopera kukwaniritsa Class H kutchinjiriza. Kuteteza mphamvu yake yotchinjiriza, tepi ya mica ndi riboni yagalasi yopanda alkali imakulungidwa ndikukulungidwa pamwamba kamodzi, kenako Ikani enamel yoteteza chinyezi. Pali kusiyana kwina pakati pa kutembenuka kwa koyilo. Pamene matope otsutsa amaikidwa mu koyilo, dongo lotsutsa liyenera kulowetsedwa mumpata kuti lilimbikitse kumamatira kwa guluu pa koyilo pa koyilo. Pambuyo pa simenti yotsutsa kumangidwa, mkati mwamkati umapangidwira kuti athetse kuchotsedwa kwazitsulo. Koyiloyo imatetezedwa, ndipo mphete zingapo zosapanga dzimbiri zoziziritsa madzi zimawonjezeredwa kumtunda ndi kumunsi kwa koyiloyo kuti ziwonjezeke kukhazikika komanso kuwongolera kutentha.

(Opanga ena amagwiritsa ntchito machubu amkuwa kapena T3, omwe alibe mphamvu zamagetsi ndipo ndi osavuta kuthyoka ndikutuluka.)

SCR: Thyristor yogwiritsidwa ntchito ndi opanga osiyanasiyana nthawi zambiri imakhala yosafanana. Ubwino wa thyristor ndi wabwino, zomwe zimachitika mwachangu komanso kulephera kumakhala kochepa. Choncho, ma thyristors a opanga odziwika bwino amasankhidwa, ndipo khalidweli ndi lodalirika komanso lokhazikika.

(Posankha, wopanga ng’anjo yamagetsi amayenera kusonyeza wopanga thyristor, ndipo chiphaso cha mankhwala a thyristor chimaperekedwa. Kuwongolera khalidwe la thyristor la H quality ndi: Xiangfan Taiwan Semiconductor Co., Ltd., Xi “Institute of Power Electronics, etc.)

Power cabinet: The regular manufacturer uses the standard spray panel cabinet. Not a tin-painted cabinet. And the size specifications of the power cabinet are standard. Inconsistent manufacturers of power cabinets have also shrunk, height, width and thickness are not enough, and even some of the reactors are placed outside the power cabinet. The regular manufacturer’s IF power supply is equipped with a low-voltage switch inside, which does not require the user to configure the voltage switch cabinet. Some non-regular manufacturers do not have a low-voltage switch installed inside the power supply. Invisible increases the user’s cost (good quality low-voltage switches are Huanyu, Chint, Delixi, etc.).

Capacitor : Kabati yofunikira kwambiri ya capacitor pakubweza mphamvu zokhazikika iyenera kukhala ndi ndalama zokwanira. Nthawi zambiri, mtengo wamalipiro wa capacitor ndi 18—-20 nthawi mphamvu yamagetsi: Capacitance compensation amount (Kvar) = (20— 18) x magetsi. Ndipo gwiritsani ntchito ma capacitors a opanga nthawi zonse.

Reactor : Zida zazikulu za riyakitala ndi pepala la silicon zitsulo. Zatsopano zopangidwa ndi opanga nthawi zonse ziyenera kugwiritsidwa ntchito, ndipo mapepala achitsulo a silicon omwe asinthidwanso sangagwiritsidwe ntchito.

Water pipe clamp : In the complete set of medium frequency melting furnace, there are a large number of water pipes connected. Strictly speaking, stainless steel clamps should be used. It is better to use copper slip knots. It is convenient to install and disassemble the knots without maintenance. It is especially suitable for application on water-cooled cables, which is conducive to current transmission and does not cause water leakage, which is safe and reliable.

Kuphatikiza pa mfundo zomwe zili pamwambazi, pali zigawo zina zomwe mungasankhe, monga inverter non-inductive capacitors, non-inductive resistors, zingwe zowonongeka ndi madzi, kulumikiza mipiringidzo yamkuwa, mapaipi amadzi, ndi zina zotero, zomwe zidzakhudza khalidwe ndi mtengo. wa zida. Pano sitikulongosola, ndikuyembekeza kuti mutha kumvetsera posankha kugula, yesetsani kufunafuna wopanga ng’anjo yosungunuka kuti apereke tsatanetsatane wa zigawo zikuluzikulu ndi opanga, sangathe kunyalanyaza kapangidwe ndi khalidwe la zipangizo kuposa mtengo.

Popeza ng’anjo yapakatikati ya ng’anjo ndi chinthu chosavomerezeka, imalamulidwa kuti ipangidwenso, ndipo khalidweli likugwirizana kwambiri ndi mtengo.

4, technical strength

Opanga nthawi zonse ayika ndalama zambiri zogwirira ntchito ndi zida zofufuzira zaukadaulo wapamwamba, ndi zida zapamwamba komanso ukadaulo wapamwamba, wowonetsa mbali zosiyanasiyana za liwiro losungunuka, kugwiritsa ntchito mphamvu komanso kulephera kwa zida. Opanga ambiri alibe mikhalidwe yopangira ntchito m’mafakitale, mtengo wake ndi wotsika mwachilengedwe, ndipo zotsatira za kusonkhanitsa ndi kutumiza ntchito pazabwino ndizokulu kwambiri. Opanga osiyanasiyana, njira zosiyanasiyana, ndi mitengo yosiyanasiyana zimatulutsanso mikhalidwe yosiyana.

5, pambuyo pa ntchito yogulitsa

Utumiki wabwino pambuyo pa malonda ndi chitsimikizo cha khalidwe la zipangizo. Ndizosapeŵeka pamene mankhwala a electromechanical alephera. Izi zimafuna ntchito yabwino pambuyo pogulitsa. Opanga nthawi zonse amakhala ndi ogwira ntchito okwanira komanso amatha kutsimikizira ntchito zogulitsa pambuyo pogulitsa. Mng’anjo yapakatikati yosungunula yosungunula imakhala ndi chitsimikizo cha chaka chimodzi mutatha kutumidwa kobwerezabwereza komanso kosinthika musanachoke kufakitale. Panthawi imeneyi, kulephera kwa zida zilizonse chifukwa cha udindo wosakhala waumunthu kudzakhala udindo wa wopanga.

Mwachidule, bizinesi yoyambira iyenera kusankha zida zomwe zili zoyenera kwambiri pabizinesiyo malinga ndi zosowa zenizeni. Posankha, wopanga akuyenera kufananiza kupanga, kusinthika, mayankho aukadaulo, komanso malingaliro amtundu wautumiki pambuyo pogulitsa zida kuti asankhe zida zokhutiritsa.

Ng’anjo yapakati yapakati imaphatikizapo, transformer, air-opening, harmonic fyuluta, inverter cabinet, chingwe chamadzi, coil induction, chipolopolo cha ng’anjo ndi zina zotero. Zosintha zosiyanasiyana zimatheka pakupanga kulikonse. Zitha kukhala zosiyana kutengera zakuthupi, mawonekedwe ndi mtengo. Ndi bwino kukambirana za mtengowo padera. Pakali pano, sing’anga pafupipafupi ng’anjo ikupita kwa mkulu mphamvu ndi lalikulu mphamvu. Ng’anjo yapakatikati ya 1 ton ndi yaying’ono kale. Pakalipano, palibe zatsopano zambiri, koma teknoloji ndi yokhwima komanso yotsika mtengo.