Valve pressure test kwenguva yakareba vese vanovimba nekuchengetedza nekuchenjerera zuva nezuva

Valve pressure test kwenguva yakareba vese vanovimba nekuchengetedza nekuchenjerera zuva nezuva

Kazhinji, mavharuvhu haana kuedzwa simba, asi miviri yakagadziriswa uye inovhara kana yakasvibiswa inofanira kuve. Kune mavharuvhu ekuchengetedza, iyo inogara ichimanikidza, kudzoka kudzvanywa uye mamwe maedzo anofanirwa kuenderana nezvaanoreva uye zvinoenderana nemitemo. Kana bvunzo, yakaderera kudzvinyirirwa, hombe dhayamita isingakoshi mavharuvhu uye mavharuvhu ane gadziriro kubvumira leakage vanobvumirwa kuva trace leakage chiitiko; Sezvo mavharuvhu akajairwa, mavharuvhu emagetsi emagetsi, Marine mavharuvhu uye mamwe mavharuvhu ane akasiyana mavharuvhu, izvo zvinodikanwa zvekudonha zvinofanirwa kuitwa zvinoenderana nemirairo yakakodzera.
(1) Kana iyo hydraulic bvunzo, mhepo yevharuvhu ichabviswa kusvika pazvinobvira.
(2) Munguva yekuedzwa, nzvimbo yekuisa valve inofanira kunge iri munzira yekuongorora nyore.
(3) simbi yakakandwa vharuvhu bvunzo, kushandiswa kwemhangura sando tepi vharafu muviri uye vharafu chivharo, tarisa kana pane kuvuza.
(4) Kune mavharuvhu akaiswa, conical chisimbiso kana O-ring chisimbiso chinogona kushandiswa pakumanikidza bvunzo kana bvunzo yekumanikidza isiri yakanaka nehuang plate.
(5) Mushure mekuedzwa kwekumanikidzwa kwevhavha, mvura iri muvhavha inofanira kubviswa munguva uye kucheneswa, uye rekodhi rekodhi rinofanira kuitwa.
(6) Kumanikidzwa kunofanira kuwedzera zvishoma nezvishoma panguva yekuedzwa, uye kupinza uye kamwe-kamwe kudzvinyirira hakubvumirwi.
(7) kana vheji ichiedzwa, kunze kwekuvharidzirwa kwevhavha yevhavha inobvumirwa kuiswa oiri, mamwe mavharuvhu haabvumirwi kuiswa oiri panzvimbo yekuisa chisimbiso.
(8) Throttle valve haifanirwe kunge yakavharwa zvikamu zvechisimbiso bvunzo, asi inofanirwa kuve bvunzo yesimba uye kurongedza uye gasket kuvhara bvunzo.
(9) Mukuedza kwekumanikidza, simba rekuvhara valve rinobvumira chete simba remuviri remunhu mumwe chete kuvhara; Usashandise midziyo yakadai semarevheti (kunze kwe torque wrenches), kana dhayamita yehandwheel yakakura kupfuura 320mm, vanhu vaviri vanobvumirwa kuvhara pamwechete.
(10) apo muedzo wekuvhara kwevhavhavha, kumanikidzwa kweplate yebofu pavhavha haifaniri kunge yakakura, kuitira kuti irege kubudisa deformation yevhavha, inokanganisa maitiro ekuedza (kana iyo simbi yakakandwa yakanyanyisa, ichaita. kuvadzwa).
(11) Chero vharafu ine mudziyo wekutyaira, bvunzo yekuisa chisimbiso yekushandiswa kwemudziyo wekutyaira kuvhara vharuvhu yekuvharisa bvunzo. Manual drive mudziyo unofanirwawo kushandiswa kuvhara iyo valve seal test.
(12) bvunzo yesimba uye yekuisa chisimbiso bvunzo yakaiswa pane huru vharafu by-pass valve, mune huru vharafu simba uye chisimbiso bvunzo; Kana iyo huru valve shutoff yakavhurwa, inofanirawo kuvhurwa.
(13) Kuiswa kwevharuvhu yekuchengetedza kunofanirwa kuve simba uye bvunzo yekuisa chisimbiso. Low-pressure safety valve spot check 20%, yakadai seyasina kukodzera inofanira kuva 100% yekuongorora; Mavharuvhu ekuchengetedza epakati nepakati anofanirwa kuongororwa 100%.
(14) Ivhavha ine chisimbiso chepamusoro inofanira kutora kurongedza kwekuvhara bvunzo, yekumusoro chisimbiso mupurisa akavharwa, tarisa kana kuvuza. Paunenge uchiyedza negasi, zadza bhokisi rekuisa nemvura kuti riongororwe. Pakurongedza bvunzo yekuisa chisimbiso, chisimbiso chepamusoro hachibvumirwe kuve munzvimbo yakaoma.
(15) Muedzo wesimba uye chisimbiso bvunzo nguva inowanzo 2 ~ 3min, yakakosha uye yakakosha mavharuvhu anofanirwa kugara 5min. Diki dhayamita vharafu bvunzo nguva inogona ipfupi, hombe dhayamita vharafu bvunzo nguva inogona kureba. Munguva yekuedzwa, kana pane kusava nechokwadi, nguva yekuedza inogona kuwedzerwa. Kudikitira kana kubuda kwemuviri nebhoneti hazvibvumidzwe panguva yekuedzwa kwesimba. Chisimbiso bvunzo, rotor pombi general vharafu kamwe chete, vharafu vharafu, high pressure valve uye mamwe mavharuvhu mbishi anoda kuitwa kaviri. Kana bvunzo, yakaderera kudzvinyirirwa, hombe dhayamita isingakoshi mavharuvhu uye mavharuvhu ane gadziriro kubvumira leakage vanobvumirwa kuva trace leakage chiitiko; Sezvo mavharuvhu akajairwa, mavharuvhu emagetsi emagetsi, Marine mavharuvhu uye mamwe mavharuvhu ane akasiyana mavharuvhu, izvo zvinodikanwa zvekudonha zvinofanirwa kuitwa zvinoenderana nemirairo yakakodzera.
Kazhinji, mavharuvhu haana kuedzwa simba, asi miviri yakagadziriswa uye inovhara kana yakasvibiswa inofanira kuve. Kune mavharuvhu ekuchengetedza, iyo inogara ichimanikidza, kudzoka kudzvanywa uye mamwe maedzo anofanirwa kuenderana nezvaanoreva uye zvinoenderana nemitemo. Tariro iyo iri pamusoro apa kugovera 15 valve pressure test yakajairika tekinoroji matambudziko, kuti ikubatsire!
Valve nehurefu vimba nekuchengetedza nekuchenjerera zuva nezuva
Iyo valve inonyanya kushandiswa kuparadzanisa michina uye pombi system, kugadzirisa kuyerera, kudzivirira kudzoka, kugadzirisa uye kuburitsa kumanikidza, fluid pipeline system control zvikamu, iro basa rakakosha, saka mune yakajairwa kushandiswa maitiro kunofanirwa kutarisisa kuchengetedza nekuchengetedza. vharafu. Heino kuunza kuchengetwa kwezuva nezuva kwemavharuvhu.
Imwe, kuchengetedza kwezuva nezuva kwevhavha
1. Kuchenjerera kunofanira kubhadharwa kune nzvimbo yekuchengetedza yevhavha. Inofanira kuchengetwa muimba yakaoma uye ine mhepo uye yakavharwa kumativi ose emugero.
2. Ivhavha inofanira kuongororwa nguva dzose, uye tsvina pairi inofanira kusvibiswa nemafuta anorwisa-rust pamusoro payo.
3. Mushure mekuiswa uye kushandiswa kwevhavha, inofanira kugadziriswa nguva dzose kuti ive nechokwadi chekushanda kwayo.
4. Tarisa kana nzvimbo yekuvharisa yevhavha yakasakara uye kugadzirisa kana kuitsiva maererano nemamiriro ezvinhu.
5, tarisa iyo trapezoidal tambo inopfeka yehunde uye stem nati, kana kurongedza kwacho kwapera uye kusashanda, uye ita chinodiwa kutsiva.
6, kuiswa chisimbiso kwevhavha kunofanirwa kuongororwa kuti ive nechokwadi chekuita kwayo.
7. Ivhavha iri kushanda inofanira kunge yakasimba, mabhoti paflange uye bracket akazara, tambo hadzina kukuvara, uye hapana chinosunungura chiitiko.
8, kana vhiri reruoko rikarasika, rinofanira kunge rakagadzirira munguva, uye haigone kutsiviwa neyakagadziriswa wrench.
9. Packing gland haibvumirwi kutsvedza kana pasina preload clearance.
10, kana nharaunda yekushandiswa kwevharuvhu yakanyanya kushata, panjodzi yekunaya, chando, guruva, jecha uye kumwe kusvibiswa kwetsvina, inofanira kuisirwa chivharo chekudzivirira.
11, vharafu pachiyero inofanira kuchengetwa yakakwana, yakarurama, yakajeka, chisimbiso chevhavha, chivharo.
12, insulation bhachi haifanire kudonha, kuputika.
13, mukushanda kwevhavha, dzivisa kugogodza pairi, kana kutsigira zvinhu zvinorema, nezvimwe.
Chechipiri, vharafu girisi basa rekugadzirisa
Iyo nyanzvi yekuchengetedza mavharuvhu pamberi uye mushure mekugadzira welding inoita basa rakakosha mukugadzira uye kushanda kwemavharuvhu. Kugadzirisa kwakarurama uye kwakarongeka uye kunoshanda kunodzivirira mavharuvhu, kuita kuti ashande zvakanaka uye kuwedzera hupenyu hwebasa revhavha. Kugadziriswa kwevhavha kunoratidzika nyore, asi hazvisi. Pane zvinowanzofuratirwa zvinhu zvebasa.
***, mafuta evharuvhu, kazhinji anofuratira huwandu hwemafuta.
Mushure mejekiseni regirisi uye kuwedzera mafuta, mushandisi anosarudza vharafu uye girisi jekiseni yekubatanidza modhi kuti aite jekiseni regirisi. Kune mamiriro maviri: kune rimwe divi, shoma mafuta jekiseni harina kukwana, uye yekuisa chisimbiso inokwidziridzwa nekushaikwa kwemafuta. Kune rumwe rutivi, mafuta akawandisa jekiseni, zvichiguma nemarara. Iko hakuna kuverengera kwakaringana kweakasiyana evhavha chisimbiso masimba anoenderana nerudzi rwevharuvhu uye chikamu. Iyo yekuisa chisimbiso inogona kuverengerwa nehukuru hwevharuvhu uye mhando, uyezve inonzwisisika jekiseni regirisi rakakodzera.
Chechipiri, mafuta evhavha, kazhinji anofuratira dambudziko rekumanikidza.
Munguva yekushanda kwejekiseni remafuta, kudzvanywa kwejekiseni remafuta kwakaratidza peak yenguva dzose uye shanduko yemupata. Dzvinyiriro yacho yakadzikira, kuvharika kwekuvharisa kana kutadza kudzvanywa kwakakwira zvakanyanya, muromo wejekiseni regirisi wakavharwa, girisi mukusimbiso yakaomeswa, kana mhete yekuisa chisimbiso yakavharwa nebhora revharuvhu uye ndiro yevharuvhu. Kazhinji kana jekiseni remajekiseni ranyanya kuderera, girizi inoiswa jekiseni inoyerera ichipinda muzasi mekamuri yevharuvhu, inowanzoitika mumavharuvhu madiki egedhi. Kana iyo mafuta jekiseni pressure yakawandisa, kune rumwe rutivi, tarisa mafuta jekiseni nozzle uye woitsiva kana kuvharika kwegomba remafuta kuchizivikanwa; Kune rimwe divi, kuomesa girizi, kushandisa mvura yekuchenesa, kudzokorora kupfavisa kutadza kwegirisi yekuisa chisimbiso, uye jekiseni rekutsiva girisi nyowani. Uye zvakare, yekuisa chisimbiso uye yekuisa chisimbiso inokanganisawo kudzvanywa kwejekiseni regirisi, mafomu akasiyana ekuisa chisimbiso ane akasiyana girosi jekiseni kudzvanywa, kazhinji, iyo yakaoma seal girisi jekiseni pressure yakakwira kupfuura chisimbiso chakapfava.