Yakawanda yekutarisa mavharuvhu saizi yakavakirwa pahuyedzo yehudiki yekuvhundutsa kudzvanywa kana kusavharwa kwekuvhunduka uye inodiwa yekuvhara yekumhanya uye yekuvhara kwayo yekumhanyisa maitiro.

1. ZF8006 Stainless Steel mukadzi shinda inozungunuka cheki vharafu DN20yezvinwiwa zvisingaite

Chengetedza mavharuvhu ezvinwiwa zvisingamisiki anosarudzwa zvakanyanya nekuda kwekugona kwavo kuvhara pasina kukonzeresa kusingagamuchirwe kuvhunduka kwakanyanya nekuda kwekuvharwa kamwe kamwe nekuda kwekutenderera kuyerera.Kushandiswa kwemavharuvhu akadaro seyakaderera kudonhedza mavharuvhu kazhinji ndiyo yechipiri kufunga.

Kune yakadaro cheki valve, danho rokutanga nderokuongorora inodiwa yekuvhara kukurumidza.

Iyo static pressure inokwira mupombi kana vharuvhu ichivhara nekukurumidza inotemwa naRukovsky se:

Mune fomula △р-kumanikidza kusimuka kune yakajairika kumanikidza (MPa);

υ-kumhanya kwedanda rakakanganiswa (m / s);

α-pressure wave transmission speed (m/s);

ρ-mvura density (kg/m3);

K-Liquid elastic modulus (MPa);

E-iyo elastic modulus yepombi madziro zvinhu (MPa);

D-pombi yemukati dhayamita (m);

e-madziro ukobvu (m);

C-pipeline restriction coefficient, tora 1.0 kune isina-kurambidza mapaipi;

B-nguva dzose.

Paunenge uchishandisa pombi yesimbi ine reshiyo yeD/e ye35 uye svikiro remvura, pressure wave velocity inenge 1200m/s.Kana iyo yekukurumidza velocity ichichinja ku1m/s, iyo static pressure increment ndeye Δр = 1.2MPa.

Danho rechipiri nderokusarudza rudzi rwevhavha yekuongorora iyo inogona kusangana neinodiwa yekuvhara.

2. Chengetedza vharafu yemvura inomanikidzika

Kunyange zvazvo chinangwa chekusarudza cheki chevhavha yemutsara wemvura inogadziriswa ndeyekuderedza kukanganiswa kwevhavha yevhavha, inogona kusarudzwa maererano nenzira yakafanana yekusarudza yevhavha isingadzoki kune incompressible fluids.Nekudaro, kumapaipi akakura kwazvo, kukanganisa kweiyo compressive svikiro inogona zvakare kuve yakakura.

Kana kuyerera kwepakati kuchichinja zvakanyanya, cheki chevhavha yezvinwiwa zvinomisikidza inogona kushandisa mudziyo wekudzikisa.Ichi chishandiso chinoshanda mukati mekufamba kwevharuvhu yekuvhara kudzivirira kutevedzana nekukurumidza kwesando kurova kusvika kumagumo ayo.

A lift cheki valve inoshandiswa kana kuyerera kwepakati kwakamiswa uye kutanga nekukurumidza uye nekuenderera, sepakubuda kwe compressor.Simudza cheki mavharuvhu anoshandisa lightweight spring-loaded disc iyo isina high lift.

3. Kutsunga cheki chevhavha size

Ivhavhavha yecheki inofanira kukura kuitira kuti mvura yakajairika ichengetedze kuvhara kwakadzikama.Kwenguva yakawanda yekuvhara, cheki valve inofanira kutanga kuvhara nokukurumidza sezvinobvira mushure mekukurumidza kwepakati pemvura yakadzika inotanga kunonoka.Kuti vheji ive yakakura munyaya iyi, mugadziri wevhavha anofanira kupa data pakukura kwakasarudzwa.Mufananidzo 3-517 unoratidza muenzaniso weiyo data data.Kudonha kwekumanikidzwa kunopiwa kune mvura;iyo yakazara yakazaruka nzvimbo yevhavha inotaridzwa pane yemvura index curve.Indekisi yemvura W/A inopiwa pano, apo W ndiyo chiyero chekuyerera (m/s), V ivhoriyamu chaiyo (m3), uye A ndiyo nzvimbo yekuyerera (m2).Kune zvakare tafura muMufananidzo 3-517 inoratidza kuburikidza negomba nzvimbo yeimwe saizi yevharuvhu.Nenzira iyi, zvinofanirwa kuve zvichigoneka kuwana saizi yevharuvhu apo vharafu yakavhurika zvizere kune yakapihwa kuyerera.

4. Kusarudzwa kwecheki yevhavha yemhando

(1) Kune yakakwirira uye yepakati kudzvanywa cheki mavharuvhu pazasi DN50mm, vertical lift cheki mavharuvhu uye yakatwasuka-kuburikidza nekusimudza cheki mavharuvhu anofanira kusarudzwa.

(2) Kune yakaderera kudzvanywa cheki mavharuvhu pazasi DN50mm, butterfly cheki mavharuvhu, vertical lift cheki mavharuvhu uye diaphragm cheki mavharuvhu anofanira kusarudzwa.

(3) Kune yakakwirira uye yepakati kudzvanywa cheki mavharuvhu ane DN yakakura kupfuura 50mm uye isingasviki 600mm, swing cheki mavharuvhu anofanira kusarudzwa.

(4) Kune yepakati uye yakaderera kudzvanywa cheki mavharuvhu ane DN yakakura kupfuura 200mm uye isingasviki 1200mm, isina kupfeka spherical cheki mavharuvhu anofanira kusarudzwa.

(5) Kune yakaderera-kudzvanya cheki mavharuvhu ane DN yakakura kupfuura 50mm uye isingasviki 2000mm, butterfly cheki mavharuvhu uye diaphragm cheki mavharuvhu zvinofanira kusarudzwa.

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(7) Papombi inopinza pombi, vharafu yepasi inofanira kusarudzwa.