Soj ntsuam rau poob explosion-Proof capability hauv Explosion-Proof Electrical khoom

1. Explosion-proof Enclosures

Explosion-proof enclosures yuav tsum ntxuav thiab intact, kos. Ib tug tsis tawg-pov thawj muaj peev xwm tshwm sim rau cov neeg mob xws li: tawg, weld opens, los yog cuab kev deformations hauv lub enclosure; Siv explosion-proof qhov chaw tsis pom zoo los ntawm lub teb chaws soj ntsuam cov koom haum; xeb hauv los yog sab nraum lub enclosure tshaj 0.2m hauv thickness; ineffective locking li; xoob, nrib tawg, los yog tsis-tawg-proof qhov rais; kev twb kev txuas los yog junction boxes tsis insulation; thiab insufficient hluav taws xob clearance los yog creepage nyob deb li cas.

2. Tawg-proof Joint Surfaces

Qhov chaw tawg-pov thawj enclosures yuav tsum tau smooth, Tiav, xeb. Poob tawg-pov thawj muaj peev xwm qhia los ntawm: insufficient ntev los yog diameter ntawm dav hlau thiab cylindrical explosion-proof qhov chaw, tsis zoo, Excessive kis ntawm lub cev shaft thiab bore, improperly them motor junction boxes, uas ploj lawm bolts, los yog improperly compressed caij nplooj ntoos hlav washers.

3. Cable Nkag teb chaws li

Poob tawg-pov thawj muaj peev xwm nyob cable nkag teb chaws li tshwm sim thaum twg: rings los yog baffles uas ploj lawm, ua xoob xoob; Lub inner diameter ntawm lub nplhaib ntiv nplhaib tshaj lub cable outer diameter los ntawm ntau tshaj 1mm; Ntau sealing rings siv nyob rau hauv ib lub nkag teb chaws los yog ntau cables kis los ntawm ib lub qhov taub xwb; thiab thaum sealing rings yog txiav qhib, tiv thaiv tag nrho cov kev pab them nqi hla lub cable, los yog thaum lwm cov khaubncaws sab nraud ntawm lub nplhaib sealing thiab cable yog muab cais.

4. Wiring

Poob tawg-pov thawj muaj peev xwm nyob rau hauv wiring yog qhia los ntawm: Cov tub ntxhais wires los yog shielding khaubncaws sab nraud hauv roj hmab sheathed cables, Cracks tseem ceeb cracks hauv lub cable, disorganized wiring hauv switches, muaj peev xwm thawb los yog sway steel ropes, Thiab thaum sealing rings yog muab tso ncaj qha rau cov hlau lead sheath ntawm armored cables, los yog thaum cable insulating hau yog tawg.

5. Thom khwm thiab Lighting Fixtures

Improper sib txuas ntawm explosion-proof sockets los yog tsis muaj explosion-proof tiv thaiv li, thiab tawg-profo teeb tsis screwless sockets los yog tsis interlocking li, qhia ib tug tsis tawg-pov thawj muaj peev xwm.