CFA tara. description

CFA tara an kullum amfani da samun filaye a gine-gine jurewa gyara. Wide isa ya yi amfani da su saboda dalilai da dama. Da farko, CFA tara da kananan girma da musamman fasaha damar zuwa aikace-aikace. Wadannan kayayyaki ba ka damar aiki a dakunan wanda tsayinsa - har zuwa mita biyu, punching rami ta cikin masonry, karfafa kankare, karfafa kankare har zuwa uku da ɗari millimeters a diamita da kuma zurfin hamsin mita. Karamin shigarwa iya gudanar da hakowa a cikin dakin located a waje na da ikon naúrar.

CFA tara da iri-iri. Wata irin shiri an yi amfani da sabon gine-gine don ƙarfafa diaphragm ganuwar da fences for tsaye gangara. Suna da ake kira "allura anka." A wannan yanayin, yi amfani da musamman matabbatarta tsarin.

Dangane gona yanayi sanya zabi na wani kayan aiki ga hakowa. CFA tara da ciwon tsawon da diamita daidai da qayyadedden load-hali damar tara ko anga gane kokarin.

Hakowa a m ƙasa kuma shayar da wanka da rijiyoyin ne da za'ayi amfani da slurry ko yin amfani da wani casing.

Inji gundura tara ne da za'ayi amfani da wani ƙarfafa. Saboda haka, daidai da yanayin da ƙarfafa aiki kaya ne da za'ayi a kan dukan tsawon ko dai saman. A tsawon ƙarfafa sashe aka ƙaddara daidai da tsawo daga cikin dakin. Ƙarfafa kafa bayan, kafin ko lokacin da matsa lamba gwajin na da kyau.

Inji tari tushe presupposes kayyade gyara tari Kafa borehole da kuma samar da zama dole kauri daga cikin m Layer na kankare. Tare da welded gidajen abinci ne tabbatar fili gawa ƙarfafa a tsawon kuma, daidai da, uniform ƙarfi ƙarfafa. A kwane-kwane na tari a kalla diamita daga cikin sanda zubar da sandunansu. Yawanci, giciye-bangaranci yanki a tsaye ƙarfafa ne ba kasa da 0.5% giciye-bangaranci yankin na tari da kanta.

Don bunkasa tari m halaye, saboda compaction, aka yi crimping ganuwar da kyau da kuma freshly zuba kankare.

Matsa lamba gwaji za a iya yi a hanyoyi daban-daban.

Saboda haka, download iya kawo ƙarin rabo daga famfo ruwa ta hanyar da tampon wanda decompresses da wellhead, a wellhead ko data kasance bututu tushe. A wannan yanayin, da gyare-gyaren da aka yi a wani matsin lamba daga 0.2-0.3 MPa biyu da minti. Idan riƙe matsa lamba a lokacin wannan lokaci ne ba zai yiwu, da aiki ne da za'ayi a sake bayan awa daya ko biyu, har sai da ake so sakamakon da aka samu.

A matsa lamba gwajin kuma iya nuna a kan wani musamman sashen na tari ko da duhun rĩjiya ta cikin bushing sukurori.

Ayyukan suna da za'ayi tare da yin amfani da lantarki da fasaha. A lokacin da wannan ne yake aikata downhole electrohydrodynamic crimping ko katangu.

Wani hanya ne zuwa "re-allura". A wannan yanayin, gyare-gyaren da aka za'ayi a kan wani musamman rabo daga tari ta hanyar allura ganga discontinuity farko jiko kankare.

CFA tara ana shirya a daidai da musamman tsari sake zagayowar kunsha da dama ayyukan:

1. Hakowa.
2. Organization na karfafa firam.
3. Cika rami na kankare (tarar) cakuda.
4. Crimping sabo cakuda.

Ba dole ne a ce cewa karfafa frame halatta a shigar da wani bayan da kafin ciko da rami tare da cakuda.

Kwanan nan, akwai wani m kyautata na kayan aiki, aiwatar da matakai da dabaru da cewa lalle nufin kyautata inganci da damar qazanta tara.