A enkoko y'okuzibiravalve ni [1] valve erikuraba omu nkora ehikire kandi erikwigura n‘okukinga juba, kandi nayo neekira kukoresibwa aha bihandiiko ebiine obucweka oburikwemerera ahabw‘okusiimura okurikubaho omu kugyendera ahagati y‘ebicweka by‘okukingaho ebikwato n‘okurinda okuhikire aha kukwatiraine n‘ebintu ebirikusheesheka byaba bikingirwe omu bwijwire. Ekindi ekikuru n’okugira ngu kyorobi kumanyiira ebyombeko by’emiringo mingi, kugira ngu valvu emwe ebone kutunga emihanda ebiri, eshatu, nari nangwa n’ena ey’okusheesheka etari emwe n’emwe. Eki nikyorobya omuringo gw’okutaho emipiira, nikikyendeeza aha nkora y’okutaho emipiira, kandi nikikyendeeza aha bimwe aha bikwatiraine n’ebintu ebirikwetengyesa omu bikwato.
Oku kirikukora Valves na .enkoko y'okuzibiraemibiri erimu ebiina ebirikurabamu nk‘ebicweka ebirikwigura n‘okukinga. Omubiri gwa pulagi nigwetoorora n‘omuti [2] kubaasa kutunga ekikorwa ky‘okukinga n‘okukinga. Akacweka kakye, akatarimu n’akapapura, akarikuteera akacupa nako nikumanywa nka “cocker”. Omubiri gwa pulagi ya valvu ya pulagi nigukira kuba guri nk’ekikopo (hariho n’omubiri gw’ekibunu), ogurikuhikaana n’orubaju rw’ekibumbe ky’ekikopo ky’omubiri gwa valve kubaasa kukora ekibumbe ky’okukinga. Valve ya plug n’omuringo gwa valve ogwabandize kukozesebwa, eine omutindo gworobi, neekira kwigura n’okukinga, kandi neezibira amaizi makye. Valvu za pulagi eza buriijo nizeesiga okukwatagana okuhikire ahagati y‘omubiri gwa pulagi ogw‘ekyoma oguhweire n‘omubiri gwa valvu kukingaho, n‘ahabw‘ekyo okukingaho nikuba kubi, amaani g‘okukinga n‘okukinga ni maingi, nigakora gye kujwara, kandi obwire obwingi nigabaasa kukoresibwa omu bwire bwa pressure nkye yonka (etari ahaiguru ya megapascal 1) n‘omu diamita nkye (ahansi ya 1 occa0 mm).
Cokutaho
Okurugirira aha nkora y’enkora, neebaasa kubaganisibwamu emiringo ena: valvu y’okuzibira okuguma, valvu y’okuzibira erikwekingaho, valvu y’okuzibira n’okutaho amajuta. Okurugirira aha foomu y’omuhanda, neebaasa kubaganisibwamu emiringo eshatu: valvu y’okuzibira okugorora, valvu y’okuzibira okurahuka ey’emiringo eshatu n’okuzibira valvu y’okutaho emihanda ena. Hariho n’ebikwato by’okutaho ebipimo.
Valvu za pulagi nizishoroorwa omu kukozesa ezirimu: valvu z‘okukingaho ezigumire, valvu z‘okukingaho ezigumire ezirimu amajuta, valvu z‘okutaho poppet, valvu z‘okukingaho ez‘emiringo eshatu n‘ez‘emiringo ena.
Ebirungi
1. Plug valve neekoresibwa kukora buri kaanya, kandi okukinga n’okukinga nibirahuka kandi nibikye.
2. Okuzibira amaizi g’omu plug valve ni kukye.
3. Plug valve eine omutindo gworobi, n’obuhango bukye, oburemeezi bukye kandi n’okureeberera kwanguhi.
4. Okukora gye omu kuhamya.
5. Tikirikugarukira aha rubaju rw‘okutaho, kandi orubaju rw‘okugyendera kw‘omubazi nirubaasa kuba orw‘obushaarizi.
6. Tihariho kutengeeta, oruyombo rukye.
Valvu z'omuryango ezirikworoba
Soft seal gate valve, industrial valve, soft seal gate valve erikwigura n’okukingaho ebicweka by’entaama, orubaju oru entaama erikutamburamu niruhikaana n’orubaju oru amaizi garikuza, valve y’omuryango neebaasa kwigura n’okukinga omu bwijwire yonka, terikubaasa kuhindurwa n’okutambura. Entaama y’entaama eine ebicweka bibiri by’okukinga, ekirikukirayo kukoresibwa mode gate valve ebicweka bibiri by’okukinga nibikora ekibunu, enkokora y’ekibunu neehinduka n’ebicweka bya valve, diamita y’eiziina ni DN50~DN1200, ebirikuba biriho omu kukora: ≤200°C.
Omusingye gw'ebintu
Eshaani y'omuryango gw'omugoyevalvu y'omuryangoe neebaasa kukorwa ekintu kyona, eki barikweta omuryango ogugumire; Kandi neebaasa kukorwa omu ntaama erikubaasa kureetaho okuhinduka okukye kubaasa kutunguura okukora kwayo n’okugaruzaho okutaana kw’enkokora y’aha mutwe gw’okukinga omu nkora y’okukora, erikwetwa elastic ram.
Ekipande kyorobiza valvu z'omuryangonizibaganisibwamu emiringo ebiri: omuhoro ogukingire .Valvu y'omuryangon'omuti gw'omwirima ogurikworobavalvu y'omuryango. Obwire obwingi hariho orukoba rwa trapezoidal aha nkoni y’okusimura, orurikuhindura omuvuyo gw’okuzinduka kuba omuvuyo gw’omurongooti kurabira omu nshonda eri ahagati y’entaama n’omuhanda gw’okuhabura aha mubiri gwa valvu, nikwo kugira ngu, torque y’okukora omu nkora y’okukora. Valve ku erikwigurwa, oburaingwa bw‘okusimura entaama bwaba burikwingana n‘emirundi 1:1 y‘oburaingwa bwa valve, okutambura kw‘amaizi tikurikuremesibwa kimwe, kwonka omwanya ogu tigurikubaasa kukyeberwa omu bwire bw‘okukora. Omu kukozesa buzima, nikimanyirwa aha mutwe gw’ekiti, nikwo kugira ngu omwanya ogutarikubaasa kwigurwa, nk’omwanya gwakyo ogukingire omu bwijwire. Okubaasa kubara okukinga ahabw‘empindahinduka z‘obutagatsi, nikikira kwigurwa omu mwanya gw‘ahaiguru reero kigarukye enyima 1/2-1 turn nk‘omwanya gw‘okukinga omu bwijwire. Nahabwekyo, omwanya gw‘okukingaho omu bwijwire gw‘ekibunu nigumanyirwa aha mwanya gw‘entaama (nikwo kugira ngu okuteera). Omuringo gwa valve ogu okutwarira hamwe gushemerire kuteebwa omu rubaju omu payipu.
Ebyetaago byoona
1. Ebirikushoboororwa n’ebicweka bya .Valvu z'omuryango gworobibiine kuhikiiriza ebirikwetengyesa omu bihandiiko by‘okukora enteekateeka y‘emipiira.
2. Eky‘okureeberaho kya soft seal gate valve kiine kworeka ebirikwetengyesa omu namba y‘omutindo gw‘eihanga kurugiirira ahariyo. Ku kiraabe kiri omutindo gw‘ebitongore, enshoboorora ehikire ey‘eky‘okureeberaho eshemerire kworekwa.
3. Omuhimbo gw’okukora ogw’ekitongore .Valvu y'omuryangonikyetengyesa okugyemeserezibwa kw‘okukora kw‘omupiira ≥, hatariho kukwata aha muheendo, okugyemeserezibwa kw‘okukora oku valvu erikubaasa kwekorera kushemerire kuba kwingi kukira okugyemeserezibwa kw‘okukora kw‘omupiira gwenyini, kandi orubaju rwona orwa valvu y‘omuryango gw‘ekikingirizo ekigumire rushemerire kuba nirubaasa kugumira emirundi 1.1 omuhendo gw‘okusheeshasheesha kw‘okusheeshasheesha kw‘okusheeshasheesha kw‘okusheeshasheesha;
4. Omutindo gw’okukora ebintu ogwa .Valvu y'omuryangokishemerire kworeka enamba y‘omutindo gw‘eihanga erikwegamira ahariyo, kandi yaaba eri omutindo gw‘ebitongore, ekihandiiko ky‘ebitongore kiine kukwatiraine n‘endagaano y‘okugura.
Ekyakabiri, ekikwato ky'okukingaho omuryango
1. Ebintu by’omubiri gwa valve biine kuba biri eby’ekyoma, eby’ekyoma, eby’okutambura, 316L, kandi omutindo n’ebihandiiko by’okukyebera eby’omubiri n’eby’emibazi eby’ekyoma ekikozirwe biine kworekwa.
2. Ebintu by‘omuti biine kuteeraho omuti gw‘ekyoma ekitarikukyereba (2CR13), kandi valvu y‘oburaingwa bwingi nayo eshemerire kuba omuti gw‘ekyoma ekitarikukyereba.
3. Enjuma neekorwa omu muringa gw’aluminiyamu nari omu muringa gw’aluminiyamu, kandi obugumire n’amaani nibikira eby’omuti gwa valve.
4. Obugumire n’amaani g’ekintu ky’okuteeraho omuti tibiine kuba bingi kukira eby’omuti gwa valvu, kandi tihaine okusheenya kw’amashanyarazi n’omuti gwa valvu n’omubiri gwa valvu ahansi y’embeera y’okuta omu maizi.
5. Ebintu ebiri aha mutwe gw’okukingaho
(1) Emiringo y’ekipande ekigumire .valvu y'omuryangos nizitaana, kandi emiringo y’okukinga n’ebintu ebirikwetengyesa nizitaana;
(2) Aha bikwato bya wedge gate valves ebya buriijo, ebintu, omuringo gw’okubihamya n’omuringo gw’okushenda empeta y’omuringa biine kushoboororwa;
(3) Ebihandiiko by’okukyebera eby’omubiri n’eby’obuyonjo eby’ekikwato ky’okukingira omuryango gw’ekipande ky’ekikwato ky’okukingaho ekirikwaka;
6. Okupakira shafu ya valve
(1) Ahabw’okugira ngu akabonero akagumire .valvu y'omuryangoomu nkora y‘emipiira obwire obwingi n‘okukinga n‘okukinga okutarikukira kubaho, okupakira nikwetengyesa kuba kutarikukora kumara emyaka mingi, kandi okupakira tikukuzire, kandi n‘ekirikurugamu okukinga nikigumaho kumara obwire buraingwa;
(2) Okupakira kwa valve nakwo kushemerire kuba okw’obutwire kwaba nikuguma nikukingwa n’okukingwa;
(3) Ahabw’ebirikwetengyesa ebiri aharuguru, okupakira kwa valve shaft nikuteeraho kutahindurwa kumara emyaka yoona nari erikurenga ikumi;
(4) Ekipapura kyaba nikyetengyesa kuhindurwa, omuringo gw’okukoraho valvu y’omuyaga gushemerire kuteekateeka aha miringo erikubaasa kuhindurwa omu mbeera y’okugyemeserezibwa kw’amaizi.
Ekyakashatu, omuringo gw’okukora ogw’ekipande ekigumirevalvu y'omuryango
3.1 Orubaju rw’okukinga n’okukinga orubaju rw’omuryango gw’okukingaho soft seal omu bwire bw’okukora rushemerire kukingwa omu muringo gw’eshaha.
3.2 Ahabw‘okugira ngu omuvuyo gw‘omuyaga omu nkora y‘emipiira nigukira kwigurwa n‘okukingwa n‘emikono, omubaro gw‘okukinga n‘okukinga tigushemerire kuba mwingi munonga, nikwo kugira ngu omuvuyo gw‘oburaingwa bwingi nagwo gushemerire kuba guri omu nshonda 200-600.
3.3 Kubaasa kwongyera aha kukora kw’okukinga n’okukinga kw’omuntu omwe, torque y’okukinga n’okukinga erikukirayo eshemerire kuba 240N-m ahansi y’embeera y’okuteerana kw’emipiira.
3.4 Omuheru gw‘okukora ogw‘okukingura n‘okukinga ogw‘ekipande ky‘omuryango gw‘ekikingirizo ky‘omubiri (soft seal gate valve) gushemerire kuba guri square tenon, kandi obuhango bushemerire kuba buri aha rurengo rumwe, kandi bureeba ahansi, kugira ngu abantu babaase kukora butunu kuruga ahansi. Valves eziine disc discs tizihikire kukoresibwa omu nkora z’ahansi y’itaka.
3.5 kworeka ekipande ky'okukinga n'okukinga diguri y'okukingahovalvu y'omuryango
(1) Akamanyiso k’okupima aka diguri y’okukingura n’okukinga valvu y’omuryango gw’okukingaho eyorobi kaine kuteebwa aha kifundikizo kya gearbox nari aha kigogo kya disiki y’okworeka bwanyima y’okuhindura orubaju, byona bireeba ahansi, kandi akabonero k’okupima kashemerire kushemezibwa n’ebicupuri kworeka ngu nibikwata amaisho;
(2) Ebintu by’empimbi y’okworeka disiki nibibaasa kukorwa omu rupapura rw’ekyoma ekitarikusheeshasheesha ahansi y’embeera y’okugireeberera gye, kitari ekyo n’ekyoma ekirimu erangi, kandi tikiine kukorwa omu ruhu rwa aluminiyamu;
(3) Empeta y’okworeka disiki neekwata amaisho, ehamire gye, okuhindura kw’okukinga n’okukinga kwaheza kuba okuhikire, kushemerire kukingirwa n’ebikwato by’okukinga.
3.6 Valve y‘omuryango gw‘okukingaho eyorobi yaaba eziikirwe omunda munonga, kandi orugyendo ahagati y‘omuringo gw‘okukora n‘ekipande ky‘okworeka n‘ahansi ruri ≥1.5m, rushemerire kuba rurimu ekikwato ky‘okutunguura enkoni, kandi rushemerire kuhamibwa gye kugira ngu abantu babaase kureeba n‘okukora bari ahansi. Nikwo kugira ngu, okukora kw’okukingura n’okukinga valve omu nkora y’emipiira tikurikuhikaana n’okukora ahansi y’itaka.
Ekyakana, okugyezibwa kw'okukora kw'ekipande ekigumirevalvu y'omuryango
4.1 Valve ku erikuba neekorwa omu bicweka by‘omuringo gumwe, ekitongore ekiine obushoboorozi kiine kuheebwa obujunaanizibwa bw‘okugyezaho emirimo egi:
(1) Torque y’okukingura n’okukinga valve ahansi y’embeera y’okukora;
(2) Omu mbeera y‘okugyemeserezibwa kukora, nikibaasa kuhamya ngu obwire bw‘okukinga n‘okukinga bwagumaho obw‘ekitongore .valveokukinga gye;
(3) Okucondooza aha nkora y‘okuzibira amaizi g‘okusheeshasheesha ahansi y‘embeera y‘okutwara amaizi g‘omu mipiira.
4.2valvebashemerire kukyeberwa nk’oku batakarugire omu ikorero:
(1) Valve ku erikwigurwa, omubiri gwa valve gushemerire kugumira okugyezibwa kwa pressure y’omunda emirundi ebiri omuhendo gwa pressure y’okukora eya valve;
(2) Valve ku erikuba ekingire, embaju zombi nizitwara emirundi 1.1 omuhendo gw’amaani g’okukora ogwa valve, kandi tihaine okusheeshasheesha, kwonka omuhendo gw’okusheeshasheesha gwa valve y’ekinyonyi ekikingirwe eby’ekyoma tigurikukira aha byetaago ebiine akakwate.
Ekyakatano, omunda n'aheeru okurwanisa okusheenya kw'ekishengye ky'omuryango gw'okukingaho ekigumire
5.1 Omunda n’aheeru y’omubiri gwa valve (obariiremu n’akabokisi k’okujanjaaza omuvuyo ogurikuhinduka), eky’okubanza, okuteera amasasi, okuihaho omushenyi n’okuihaho obukyeere biine kukorwa, kandi epoxy resin etari y’obutwa ey’obutunguru eshemerire kufuuhirira omu muringo gw’amashanyarazi, n’obuhango oburikurenga ahari 0.3mm. Ku kirikuba kigumire kufuuhirira epoxy resin etari y‘obutwa aha valve z‘amaani munonga, erangi y‘epoxy etari y‘obutwa erikushushana nayo eine kushemezibwa kandi efuuhirwe.
5.2 Omunda y’omubiri gwa valve n’ebicweka byona eby’empapura za valve nibyetengyesa kuba nibizibira okusheenya omu bwijwire, aha rubaju rumwe, tibirikwija kusheenya waabiteeka omu maizi, kandi tihaine okusheenya kw’amashanyarazi ahagati y’ebyoma bibiri; Ekyakabiri, aha mutwe gwayo nihashemezibwa, n’ahabw’ekyo okuzibira amaizi kuza omu maizi nikukyendeera.
5.3 Ebyetaago by’obuyonjo ebya epoxy resin nari erangi y’okurwanisa okusheenya omu mubiri gwa valvu biine kuba biine ripooti y’okukyebera kuruga omu kitongore ekirikukora. Ebintu by’emibazi n’eby’omubiri nabyo biine kuhikiiriza ebirikwetengyesa.
Obwire bw'okuhandiika: Okwaikumi-09-2024
