Yadda za a zabi madaidaicin bututun iska?

Domin ana amfani da dumama bututun iska a masana'antu. Dangane da buƙatun zafin jiki, buƙatun ƙarar iska, girman, abu da sauransu, zaɓi na ƙarshe zai bambanta, kuma farashin kuma zai bambanta. Gabaɗaya, za a iya zaɓin bisa ga abubuwa biyu masu zuwa:

1. Watta:

Madaidaicin zaɓi na wattage zai iya saduwa da makamashin da ake buƙata ta hanyar dumama, tabbatar da cewa mai zafi zai iya isa yanayin da ake buƙata lokacin aiki. Sannan, tya kamata a yi la'akari da abubuwa uku masu zuwa akan zaɓin lissafin wattage:

(1) Zafi matsakaicin dumama daga zafin farko don saita zafin jiki a cikin ƙayyadadden lokaci;

(2) a ƙarƙashin yanayin aiki, makamashi ya kamata ya isa ya kula da zafin jiki na matsakaici;

(3) Ya kamata a sami wani yanki mai aminci, gabaɗaya ya kamata ya zama 120%.

Babu shakka, ana zaɓi mafi girma wattage daga (1) da (2), sa'an nan kuma, zaɓaɓɓen wattage yana ninka ta hanyar amintaccen gefe.

2. Ƙimar ƙira tagudun iska:

Ana iya yin ma'aunin ƙarfin iska, saurin iska da ƙarar iska ta hanyar bututun pitot, nau'in manometer U-type, karkatar da micro-manometer, anemometer ball mai zafi da sauran kayan kida. Bututun Pitot da nau'in manometer U-type na iya gwada jimlar matsa lamba, matsa lamba mai ƙarfi da matsa lamba a cikin injin bututun iska, kuma yanayin aiki na busa da juriya na tsarin iskar iska ana iya saninsa ta hanyar auna jimlar matsa lamba. Ana iya juyar da ƙarar iska daga matsi mai ƙarfi da aka auna. Hakanan zamu iya auna saurin iska tare da anemometer ball mai zafi, sannan mu sami ƙarar iska gwargwadon saurin iskar.

1. Haɗa fan da bututun iska;

2. Yi amfani da tef ɗin ƙarfe don auna girman tashar iska;

3. bisa ga diamita ko girman bututun rectangular, ƙayyade wurin ma'aunin ma'auni;

4. Bude rami mai zagaye (φ12mm) akan tashar iska a wurin gwajin;

5. Alama wurin auna maki akan bututun pitot ko anemometer ball mai zafi;

6. Haɗa bututun picot da manometer nau'in U tare da bututun latex;

7. An saka bututun Pitot ko anemometer mai zafi a tsaye a cikin bututun iska a rami mai aunawa, don tabbatar da cewa matsayin ma'aunin daidai yake, kuma kula da jagorar binciken bututun pitot;

8. Karanta jimlar matsa lamba, matsa lamba mai ƙarfi da matsatsin tsaye a cikin bututu kai tsaye akan manometer mai siffa U, kuma karanta saurin iska a cikin bututun kai tsaye akan anemometer ball mai zafi.