
Kev Ua Raws Cai: Ethylene Oxide (ETO)
Phau Ntawv Qhia Txog Kev Ua kom tsis muaj menyuam & Fumigation Facilities
1. Cov txheej txheem txais thiab tshem tawm
Ua raws li ntu 14.2 yog qhov yuav tsum tau ua rau ob qho tag nrho thiab khoob ETO ntim.
Chaw Saib Xyuas Kev Nyab Xeeb
- Tsheb cav yuav tsum yog OFF, brakes teem, thiab log chocked.
- Tsis haus luam yeeb lossis qhib nplaim taws hauv 25 ft (7.62 m).
- Cov thawv ntim khoom yuav tsum khaws cia TUAG txhua lub sijhawm.
Kev txwv
- TSIS MUAJ stacking: Cov thawv ntim khoom yuav tsum tsis txhob muab sib dhos lossis dov.
- Forklift Safety: Tsis txhob nqa cov nruas los ntawm kev tso rab rawg hauv qab lub nplhaib chime.
2. Cov Qauv Cia
Cov cheeb tsam sab hauv
- Classified rau ignition qhov chaw tswj (Class I, Div 2).
- Spot cua sov txwv: 125 ° F (51.7 ° C).
Sab nraum zoov
- 25% ntawm ib puag ncig yuav tsum qhib rau huab cua.
- Clear ntawm qhuav zaub rau 15 ft (4.6 m).
- Muab kev tiv thaiv ntawm lub tsheb puas.
3. Piping Systems & Gas Dispensing
Tag nrho cov kav dej hlau yuav tsum ua raws li ASME B31.3 (Cov txheej txheem Piping) thiab muaj qhov tsawg kawg nkaus melting point ntawm 1500 ° F (815.6 ° C).
Qhov cua qhov ntsuas
Mechanical qhov cua yuav tsum ua haujlwm tsis tu ncua tsis pub tsawg dua 1 scf/min•ft² ntawm thaj tsam hauv pem teb.
Shutoff Valves
Txhua lub kaw lus yuav tsum muaj ob lub qhov hluav taws xob kaw qhov hluav taws xob. Thawj yuav tsum nyob hauv 5 ft (1.5 m) ntawm lub thawv.
4. Pov tseg thiab Emission Control
Ua raws li Tshooj 14.9 ua kom muaj kev nyab xeeb ntawm ib puag ncig thiab ua haujlwm ETO nruab nrab.
Wet Scrubbers
Yuav tsum tau tsim kom daws tsis tuaj yeem nkag mus rau cov kab txheej txheem. Cov kua dej ntshiab ETO yuav tsum tsis txhob pub ncaj qha rau hauv cov tshuaj txhuam hniav.
Catalytic Converters
Yuav tsum suav nrog kev kaw tsis siv neeg yog tias qhov kub siab tshaj qhov txwv catalyst tsum.
5. Kev tsim kho & Kev nyab xeeb hluav taws
- Explosion Venting: Cov qauv yuav tsum muaj kev tsim kho uas tsis muaj hluav taws xob thiab kev tswj kev tawg raws li Tshooj 6.10.
- Hluav Taws Xob: ETO chaw cia khoom yuav tsum muaj kev tiv thaiv los ntawm a Dej nyab System raws li NFPA 16.
- Bonding: Tag nrho cov kav dej yuav tsum tau muab khi rau hauv av kom tswj tau hluav taws xob zoo li qub.