Kutentha kwa Haystacks ndi Moto Wokhazikika wa Khola: Kutentha Kwambiri Kwambiri (65 C / 150 F) ndi Kuchotsa Bale Motetezedwa¶
Manambala angozi amasiyana malinga ndi dziko. Tsambali limagwiritsa ntchito 911, nambala ya United States ndi Canada. Mayiko ena ambiri amagwiritsa ntchito 112, 999, kapena nambala ina. Pezani nambala ya dziko lanu.
M'mafamu ang'onoang'ono a mkaka, makola a mahatchi, oweta ng'ombe, ndi nyumba zoweta ng'ombe padziko lonse lapansi, chomwe chikuyambitsa tsoka la barani ndi ziweto popanda magetsi ndi kuyaka kokha kwa udzu wonyowa, nyemba, clover, oat hay, kapena udzu. Mosiyana ndi moto wamtchire kapena makina omwe amayaka kunja kwa mulu, kuyaka kwa udzu wokhawokha kumayamba mwakachetechete 1 mpaka 3 mita (mamita 3 mpaka 10) mkati mwa tsinde la udzu wowunjikidwa kumene masiku 10 mpaka masabata 6 mutakolola. Pamene forage yathyoledwa pamwamba pa chinyontho chake chotetezeka (> 18% to 20% chinyontho pamabele ang'onoang'ono amakona anayi, kapena > 14% to 16% Chinyontho cha mabwalo ozungulira akulu akulu kapena akulu akulu) popanda choteteza ku propionic-acid, kupuma kwa cell ya zomera ndi mabiliyoni a masophilic and thermophilic microorganisms amayamba kugaya mashuga a zomera ndi kutulutsa kutentha komwe sikungatuluke kudzera muudzu wowuzungulira. Pamene kutentha kwapakati kukadutsa 55 C to 65 C (130 F to 150 F), mabakiteriya okonda kutentha (Bacillus caldovelox ndi bowa wa thermophilic) amayambitsa matenda owopsa a Maillard komanso kung'ambika kwa cellulose ndi hemicellulose, ndikuyendetsa kutentha kwamkati kupita 77 C to 93 C (170 F to 200 F) ndi kupanga **pyrophoric (wodziwotcha) mpweya wa carbon ** ndi mpweya woyaka wa pyrolysis (carbon monoxide, methane,ndi hydrogen).
Chomwe chimapangitsa udzu wowotha kukhala wakupha mwapadera kwa alimi ndi ozimitsa moto akumidzi ndi misampha iwiri yosagwirizana: (1) Msampha wa Oxygen Flashover: Ku 80 C to 100+ C (175 F to 212+ F), pachimake chofuka cha udzu chimakhala ndi njala ya okosijeni; ngati mlimi atsegula zitseko za barani kuti "atulutse utsi" kapena ayambe kutulutsa mabale otentha ndi thirakitala popanda paipi yopangira moto yozimitsa moto (>= 100 psi) ataimirira pafupi, kuthamanga kwadzidzidzi kwa mpweya wabwino wa mumlengalenga (21% O2) imagunda thumba lamoto wa pyrophoric carbon ndi thumba la mpweya woyaka, zomwe zimayambitsa kuphulika kwa nthawi yomweyo kapena kubweza komwe kumakwirira nkhokwe yonse mumasekondi. (2) Msampha Wobisika Wopserera ("Sinkhole"): Mkati mwa mulu wowotchera, matumba amoto amawotcha mabelo amkati kwinaku akusiya pamwamba pa udzu kuoneka wolimba kotheratu. Mlimi amene akukwera pamwamba pa udzu wotentha kuti akakankhire pa kutentha popanda kuyika **matabwa aatali (2x10 kapena 2x12 matabwa) ndi kuvala zomangira zomangira zotetezera ** zimatha kuthyola kutumphuka mwadzidzidzi ndikugwera pachifuwa mu 300 C to 500 C (570 F to 930 F) ng'anjo yapansi panthaka ya makala owala ndi mpweya wa carbon monoxide, kuvutika ndi kutentha koopsa ndi kupuma movutikira mkati mwa masekondi. Ngati nkhokwe yanu ikununkhiza ngati fodya wa caramelized, mkate wowotcha, kapena utsi wa acrid pompano, imbani foni kwanuko. manambala angozi nthawi yomweyo, ndipo funsani abale athu akalozera mpweya wa silo wambewu (nitrogen dioxide) ndi zoopsa za dzenje la manyowa, anathawa mulu wa burashi kuwotcha ndi chitetezo chamadzi akumidzi,ndi nkhuku zakumbuyo ndi ng'ombe kutentha kutentha.
Chitani izi tsopano¶
- klzzwxh:0053 Mathumba oyaka moto akuyaka m'kati mwake amawotcha mapanga omwe ali pansi pa mabolowo; nthawi zonse amagona **mapulanaatali, otambasuka (
3.6-meter / 12-foot2x10kapena2x12mapepala) kapena mapepala a19 mm (3/4-inch)plywood pamwamba pa muluwo kuti mugawire kulemera kwanu, gwirani ntchito awiriawiri, ndi kuva chingwe chachitetezo chomangidwa ndi chingwe chachitetezo chotchinga padenga la barani loyang'aniridwa ndi chowonera panja. - ** Ngati kutentha kwa mkati mwa udzu kumafika kapena kupitirira
77 C (170 F)- KAPENA ngati muwona utsi wowoneka, moto wonyezimira, kapena kununkhiza utsi wamphamvu wa chitoliro / chitoliro chamoto - Imani, OSATI KUSUKIRITSA bala limodzi, TSEKANI zitseko za barani kuti muchepetse mpweya wa okosijeni, chotsani akavalo/ng'ombe zonse, ndipo imbani 911 / 112 / 999 kwa Dipatimenti ya Moto nthawi yomweyo.*>= 77 C (170 F)gulu lopanda payipi la dipatimenti yozimitsa moto pamalo pomwe likuwonetsa mpweya wotentha kwambiri wa pyrophoric kumpweya wabwino ndikuyambitsa pompopompo kuyaka kwamoto. - OSAWAZA madzi mwakhungu kunja kwa udzu wofunda (
< 77 C / 170 F) yokhala ndi payipi ya m'munda. Kunyowetsa udzu wofunda osasefukira ndi kuuphwasula kumangowonjezera chinyontho pamabolo owuma ozungulira, kumapangitsa kutentha kwatsopano kwa bakiteriya ndikupanga kutumphuka konyowa kopanda mpweya komwe kumatsekera kutentha mkati mwachangu kwambiri. - Fufuzani stakitiyo mwadongosolo pogwiritsa ntchito 2-to-3-mita (6-to-10-foot) Kompositi/Hay Thermometer Probe kapena zopangira kunyumba.
13 mm (1/2-inch)chitoliro cholowera chamagetsi chachitsulo chachitsulo. Ngati mulibe choyezera choyezera kutentha, yendetsani chitoliro chachitsulo choloza m'malo otentha kwambiri pa muluwo, chisiyeni kwa 15 mpaka 20 mphindi, ndipo tsitsani galasi/chiyerekezo choyezera thermometer pa chingwe pansi mkati mwa chitoliro (kapena gwiritsani ntchito Emergency Bare-Hand Pipe Testing kuti mugwire chitolirocho pa dzanja lanu ngati simungathe kukoka chitsulo**: 2 masekondi **, pachimake kuposa71 C / 160 Fndipo ili ku ** Red Danger Zone **). - ** Ngati udzu wanu ukufufuza pakati
65 C and 74 C (150 F and 165 F)("Amber Entering Danger Zone"), imbani foni anthu odzipereka/Dipatimenti Yozimitsa moto ya m'mataspala pa mzere wawo womwe si wadzidzidzi kapena wotumizira MUSANATULIRE nkhokwe.** Funsani ozimitsa moto kuti akhazikitse lori yochajitsa yopopa/ya tanki (1.5-inch / 38 mmkuukira mzere) m'khola pamene mukuchotsa mosamala maboloi amodzi ndi amodzi kupita ku msipu wotseguka osachepera **30 mpaka 50 metres (100 mpaka 165 mapazi) kutsika kwamphepo ** kwa zomanga zonse. - Bayani Dry Ice (Solid Carbon Dioxide,
CO2) kapena Nayitrojeni wamadzimadzi pansi pa mapaipi achitsulo obowoleza> 77 C (170 F)malo otentha ngati akudikirira zida zolemera ndi ozimitsa moto. Kulongedza ayezi wouma wophwanyidwa pamwamba pa phula kapena kuwagwetsera pansi mapaipi oyendetsedwa ndikusefukira mkatikati mwa udzu ndi kuzizira kolemeraCO2gasi (-78.5 C / -109.3 F), kuziziritsa pachimake ndikuchotsa mpweya pansi pa12% O2kuyaka pachimake kotero kuti mabotolo akhoza kuchotsedwa popanda kuphulika ndi moto.
Danger
Msampha wa Barn Door Backdraft ndi Carbon Monoxide (CO) Kusowa Mpweya M'kati mwa Zipinda Zotsekera za Hayloft. Khola lodzaza ndi udzu likatenthetsa pamwamba 85 C to 100 C (185 F to 212 F) usiku wonse zitseko zotsekedwa, pyrolysis yakuya imadya mpweya womwe umapezeka ndikudzaza udzu wosawoneka, wopanda fungo ** Carbon Monoxide (COMethane (CH4haidrojeni (H2), ndi Hydrogen Cyanide / Nitrogen Oxides**. Kukwera m'bwalo lotsekedwa, lotentha la udzu wopanda Chida Chodzipumira Chokha (SCBA) angayambitse kukomoka kwadzidzidzi kuchokera CO poizoni mkati mwa **2 mpaka 3 kupuma **. Choipa kwambiri, kutsegula zitseko zazikulu za barani m'mawa kwa mphepo kumapangitsa kuti chimney chikhale chachiwawa chomwe chimalowetsa mpweya mumtambo wa mpweya womwe ukufuka, ndikuphulitsa kuphulika kwa utsi / kuphulika kwamoto. Nthawi zonse sungani zitseko zotsekedwa, tulutsani ziweto kudzera pazitseko za oyenda pansi ngati zili zotetezeka, ndipo lolani ozimitsa moto avale SCBA ndi makamera owonera kutentha (TIC) kuwongolera mpweya wabwino ndi kukonzanso.
Mtengo wosankha: Haystack Core Temperature Triage & Emergency Action Protocol¶
Gwiritsani ntchito mfundo zaulimi ndi ntchito yozimitsa moto (** USDA, NFPA, Cornell / Penn State / University of Minnesota Extension**) nthawi iliyonse mukafufuza za udzu wokayikira.
flowchart TD
A["Wokayikira Watsopano Wowunjikidwa Hay Mow kapena Round/Square Bale Stack (Masiku 10 mpaka Masabata 6 Atatha Kuphika): Kutentha, Kutentha Padenga, Kununkhira Kokoma kwa Caramel kapena Acrid Musty Fungo"] --> B["CHITETEZO CHOYAMBA: Osayenda pa stack osayika matabwa a 12-ft + Safety Harness & Spotter Kunja"]
B --> C["Ikani 2-to-3-Meter (6-10 ft) Hay Probe Thermometer (kapena Pipe Yachitsulo Yoyendetsedwa Kwa 15-20 Min) Mu Steaming Depressions & Center of Stack"]
C --> D{"Kodi Maximum Core Temperature Reading ndi chiyani?"}
D -->|"<52 C (< 125 F): Machiritso a 'Thukuta' Wamba"| E["GREEN ZONE (Otetezeka): Kupumira kwabwino kwa mbewu & kuchiritsa kwa mesophilic. Yang'anirani mlungu uliwonse; sungani mpweya wokwanira m'nkhokwe."]
D -->|"52 C mpaka 65 C (125 F mpaka 150 F): Thermophilic Bacterial Escalation"| F["ZONE YOWONA YAYELOW: Yendetsani MAola 12 mpaka 24 ALIYENSE. Wonjezerani mpweya wozungulira pamutu; mabala olekanitsa ngati osavuta kupeza."]
D -->|"65 C mpaka 77 C (150 F mpaka 170 F): Exothermic Chemical Oxidation Ikuyamba"| G["ZONE YACHIWIRI YA AMBER: Yendetsani MAola 2 mpaka 4 ALIYENSE. Kutentha sikudzatsika kokha. Imbani Oyang'anira Ozimitsa Moto kuti akhazikitse galimoto yapaipi yoyipitsidwa, kenako ndikuchotsani kuti mutsegule> 50 m (165 ft) kuchokera mnyumba."]
D -->|"77 C mpaka 93 C (170 F mpaka 200 F): Matumba Amoto Woyaka & Mpweya wa Pyrophoric"| H["DZIWANI ZOFIIRA ZOKHUDZA: Imbani 911 / 112 / 999 Nthawi yomweyo. AYIMIRANI mabolo osuntha mpaka a Fire Dept adzalipiritsa mapaipi a mainchesi 1.5 olunjika pa stack. Tsekani zitseko kuti muchepetse mpweya; kusamutsa ziweto."]
D -->|">= 93 C (>= 200 F) KAPENA Utsi Wowoneka / Miyala Yowala"| I["BLACK IMMINENT FLASHOVER ZONE: Kuyatsa kwamoto kumachitika Nthawi yomweyo mukakumana ndi mpweya. Jekeseni Wowuma Ice / CO2 kapena Madzi Ochuluka Kwambiri/Kalasi-A Foam Musanatulutse mabotolo ndi chofukula chotalikirapo."]
Gawo 1: Gawo 4 la Biochemical & Chemical Stages of Spotaneous Hay Combustion¶
Chifukwa chiyani bulu wa nyemba zonyowa kapena udzu utakhala m'khola lozizira lokha kutentha kuchokera ku 25 C (77 F) njira yonse 500 C (932 F) ndi zero kunja kwa spark? Kutentha kodzidzimutsa kumadutsa **magawo anayi osiyana achilengedwe ndi makemikolo **, iliyonse ndikudutsa ndodo kupita kwina:
Gawo 1: Kupuma kwa Cell Cell & Kukula kwa Mesophilic Microbial (20 C to 45 C / 68 F to 113 F)¶
- Kwa nthawi yoyamba 24 mpaka 72 maola mutatha kudula ndi kubala, maselo amoyo mkati mwa tsinde lonyowa (
moisture > 20%) pitirizani kupuma, kumadya ma carbohydrate (\(C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{Heat}\)) ndi kutulutsa mpweya wamadzi ("thukuta la udzu"). - Ngati chinyezi cha bale chili pansi pa 15% (mabele akulu) kapena 18% (mabele ang'onoang'ono), kutentha kofatsa uku (
35 C to 45 C / 95 F to 113 F) amasungunula chinyontho ndikuzizira bwino pakadutsa milungu iwiri. - Komabe, ngati chinyezi chikupitilira
20% to 35%, mkati mwanyengo yotentha, yachinyontho imayambitsa kuphulika kwa mabowa a mesophilic (Aspergillus, Fusarium) ndi mabakiteriya, omwe amagaya mashuga a zomera omwe siachilengedwe ndikukankhira kutentha kwapakati pa bale45 C (113 F)ndikumanga ulusi wa udzu pamodzi pamphasa wandiweyani, wotsekereza kutentha.
Gawo 2: Thermophilic Bacterial & Fangas Dominance (45 C to 70 C / 113 F to 158 F)¶
- Pamwamba
45 C (113 F), mabakiteriya a mesophilic amafa ndipo amalowedwa m'malo ndi thermophilic (okonda kutentha) actinomycetes (Saccharopolyspora rectivirgula ndi Thermoactinomyces vulgaris, tizilombo toyambitsa matenda omwe amayambitsanso "Farmer's Lung" hypersensitivity pneumonitis) ndi thermophilic Bacillus Bacteria Bacillus caldovelox). - Ma thermophiles awa amakula bwino pakati pa
50 C and 65 C (122 F and 149 F), kuthyola msanga zowuma ndi mapuloteni kudzera mu matenda osakhala a enzymatic Maillard browning (omwe amapatsa nkhokwe yotenthetsera udzu wake wosakayikitsa wotsekemera, wophikidwa mwatsopano kapena fungo la fodya). - Ndi
68 C to 74 C (155 F to 165 F), kutentha kumakhala koopsa moti **ngakhale mabakiteriya a thermophilic amachotsedwa ndi kuphedwa **. Alimi ambiri amaganiza molakwika kuti mabakiteriya akamwalira70 C (158 F), udzu udzasiya kutentha. Zowonadi, gawo lowopsa kwambiri langoyamba kumene.
Gawo 3: Abiotic Exothermic Chemical Oxidation (70 C to 150 C / 158 F to 302 F)¶
- Kamodzi mabakiteriya a thermophilic amakankhira udzu ku
70 C (158 F)pamaso pa chinyezi, **mankhwala okha, odzithamangitsa okha oxidation exothermic ** amatenga malo:- Ma lipids obzala (mafuta osakwanira amafuta acids m'magawo a masamba) ndi hemicellulose ya hydrolyzed amawonongeka kukhala ochita pompopompo ma free radicals ndi peroxides.
- Chifukwa udzu wouma ndi wonyowa uli ndi mphamvu yotsika kwambiri yotentha (yomwe imakhala ngati kusungunula fiberglass), kutentha komwe kumapangidwa pakati pa
100-tonudzu amatchetcha kapena zolimba mulu wa700 kg (1,500 lb)migolo yozungulira singathe kuthawa. - Aliyense
10 C (18 F)kuwonjezeka kwa kutentha kumawirikiza kawiri kuchuluka kwa mankhwala (Arrhenius equation), kupangitsa kuti kutentha kwapakati kuchuluke kuchokera ku **77 C (170 F)ku120 C (248 F)m'nthawi yochepa chabe **.
Gawo 4: Pyrolysis, Pyrophoric Carbon Formation & Auto-Ignition (150 C to 280+ C / 302 F to 536+ F)¶
- Pamwamba
150 C (302 F)mkati mwa mkati mwa phata la mpweya wa mpweya, cellulose imalowa ** thermal pyrolysis (charring) , kutembenuza udzu wamkati wakuda ndikupanga ** wogawanika bwino, porous "pyrophoric carbon". - Kodi Pyrophoric Carbon N'chiyani? Kaboni wa pyrophoric ndi wosakhazikika pamankhwala, ndipo amakhala ndi malo owoneka bwino kwambiri. Nthawi yomweyo **
175 C to 250 C (350 F to 480 F)pyrophoric carbon ** zolumikizana zatsopano21%mpweya wa mumlengalenga (mwina mwa kuwotcha dzenje la chimney pamwamba pa muluwo, kapena pamene mlimi wosazindikira atulutsa bale pa muluwo), oxygen imalowetsa pamwamba pa kaboni mwamphamvu kotero kuti imaphulika.600 C (1,100 F)moto nthawi yomweyo (auto-ignition).
Gawo 2: Malizitsani Zochita za Hay Probe Temperature & The Improvised Steel Pipe Method¶
Khola lililonse lomwe limasunga udzu wopitilira matani 20 liyenera kusunga 1.8-to-3.0-meter (6-to-10-foot) malonda T-chogwirizira udzu kutentha kafukufuku atapachikidwa mkati mwa khomo lolowera, ndi kufufuza udzu watsopano kawiri pa sabata kwa masabata 6 oyambirira mutaunjika.
1. Zowona Zakutentha Zovomerezeka ndi Zoyenera Kuchita¶
Kutentha Kwambiri (Celsius / Fahrenheit) |
Chitoliro Chachitsulo Chokhazikika cha Mphindi 20 "Bare-Hand" Kuyesa Kumva | Biological / Chemical State Inside Stack | Protocol Yoyenera Kuchita Zadzidzidzi |
|---|---|---|---|
< 52 C(< 125 F) |
Chitoliro chimamveka **chotentha kwambiri mpaka kutentha bwino **; akhoza kugwira m'manja kosatha | Kuchiritsa kwabwinobwino kwa chomera ("thukuta"); khalidwe la forage lilibe vuto | ZOtetezedwa (Zobiriwira): Palibe chochita. Pitirizani kuchita cheke mlungu uliwonse kwa masiku 30. |
52 C to 60 C(125 F to 140 F) |
Chitoliro chimamva ** kutentha kwambiri **; amatha kugwira momasuka m'manja kwa **30 mpaka 60 masekondi ** | Kusintha kwa mesophilic / thermophilic; Maillard browning imayamba (madontho a protein osungunuka) | CHENJEZO (Yellow-1): Yang'ananinso kutentha maola 24 aliwonse. Tsegulani zolowera m'nkhokwe zam'mwamba kuti muchotse mpweya wonyowa pamwamba pa muluwo. |
60 C to 65 C(140 F to 150 F) |
Chitoliro chimamveka **kutentha **; atha kugwira m'manja kwa masekondi 10 mpaka 15 ** asanamve bwino | Peak thermophilic bakiteriya Kutentha; fungo lokoma la caramel & nthunzi wamadzi wowoneka wokwera kuchokera pamwamba | CHENJEZO (Yellow-2): Yang'ananinso maola 12 aliwonse. Kutentha kumatha kukhala kumtunda ndi kozizira, KAPENA kuwoloka 65 C chemical tipping point. Konzani malo panja kuti mutulutse ngati akwera 2 C Zambiri. |
65 C to 74 C(150 F to 165 F) |
Chitoliro ndi **kutentha kowawa *; atha kugwira m'manja 3 mpaka 5 masekondi | Chemical Oxidation Threshold Crossed: Mabakiteriya akufa, kutha kwa mankhwala owopsa kwayamba | KOZI (Amber): Yang'ananinso maola 2 mpaka 4 aliwonse. Udzu upitilirabe kutenthetsa mpaka kuyaka. **Itanirani Ozimitsa Moto kuti ayime pafupi ndi payipi yoyipitsidwa **, kenaka chotsani zinyalala pamalo otseguka > 50 m (165 ft) kuchokera ku nyumba. |
77 C to 88 C(170 F to 190 F) |
Chitoliro ** chimawotcha khungu mkati < 1 to 2 seconds** (kutentha kwamphamvu) |
Kupanga Kwa Pocket Yamoto Kwambiri: Kutentha, mpweya wa pyrolysis (CO), ndi maenje oyaka opanda pake kupanga |
ZINTHU ZOCHITIKA ZOCHITIKA (Zofiira): Imbani 911 / 112 / 999 MNTHAWI YOMWEYO. *MUSAMAsunthe mabolo mpaka ozimitsa moto atalipira 38 mm (1.5-in) mapaipi olunjika pa muluwo. Tsekani zitseko; chotsa nyama zonse. |
88 C to 100+ C(190 F to 212+ F) |
Chitoliro **sizzles ngati chakhudzidwa ndi chiguduli chonyowa **; phulusa lakuda kapena phulusa lomwe limamatira kunsonga ya kafukufuku | Kuyaka Kwambiri Pansi Pansi: Mabale amayaka moto wachiwiri akakhudza mpweya wakunja | FLASHOVER WOYAMBA (Wakuda): Ozimitsa moto akuyenera ** kusefukira m'malo otentha kwambiri ndi madzi/Class-A thovu kapena kubaya Dry Ice (CO2)** *asanatulutse migolo imodzi ndi imodzi ndi thabwa/chofukula ndi kuthirira thabwa lililonse pabwalo. |
2. Momwe Mungamangire Ntchito Yofufuza Zadzidzidzi mu Mphindi 15 (Popanda Kufufuza Zamalonda)¶
- Tengani **
2.4-to-3.0-meter (8-to-10-foot)kutalika kwa13 mm to 19 mm (1/2-inch to 3/4-inch)chitsulo cholimba chamagetsi chamagetsi kapena chitoliro chamalango **. - Gwirani mbali imodzi yophwanyidwa kukhala chisel point yakuthwa ndikubowola ** zisanu ndi chimodzi
5 mm (3/16-inch)mabowo** pamwamba pansonga kuti kutentha kwamkati kulowe pansi mwachangu. - Ikani matabwa pamwamba pa udzu (wovala zingwe zomangirira) ndikukankhira chitoliro chachitsulo
1.5 to 2.5 meters (5 to 8 feet)kutsika m'mitsinje yotentha. - Tsitsani thermometer pa chingwe mpaka pansi pa chitoliro kwa 15 mpaka 20 mphindi (kulumikiza pamwamba ndi chiguduli), kokerani chingwecho, ndikuwerenga kutentha nthawi yomweyo.
Gawo 3: Ndondomeko Yowongoleredwa Mwapang'onopang'ono: Momwe Mungachotsere Utsi Wotentha Popanda Kuwotcha Khola¶
Kamodzi udzu udutsa 68 C to 77 C (155 F to 170 F), tsatirani ndondomekoyi yowonjezereka ya Mlimi + Wozimitsa Moto:
+-------------------------------------------------------------------------+
| 6-STEP SAFE HAY OVERHAUL & BALE REMOVAL PROTOCOL (> 68 C) |
+-------------------------------------------------------------------------+
| STEP 1: EVACUATE LIVESTOCK & STAGE CHARGED FIRE APPARATUS FIRST |
| - Lead all horses and cattle to a distant pasture BEFORE moving bales. |
| - Stage a Fire Dept pumper with at least TWO charged 38 mm (1.5-inch) |
| hoselines (with Class A surfactant foam) and shut off barn power. |
| STEP 2: COOL OR INERT THE CORE BEFORE UNCOVERING (If Temp >= 85 C) |
| - Drive piercing nozzles into hotspots with Class A foam/water, OR |
| pack 50-100 kg of crushed Dry Ice (CO2) under a tarp over hotspots. |
| STEP 3: REMOVE BALES FROM TOP TO BOTTOM USING MECHANICAL REACH |
| - Use a telehandler, excavator, or tractor grapple from OUTSIDE if |
| possible; any crew on the stack must wear SCBA on wooden planks |
| with a charged nozzle aimed directly at the bale being lifted. |
| STEP 4: EXPECT BALES TO BURST INTO FLAME THE SECOND THEY ARE LIFTED |
| - Knock down surface flames with a burst of Class A foam/water as |
| the loader carries the charred bale out of the barn immediately. |
| STEP 5: SEPARATE GOOD, WARM, AND CHARRED BALES > 50-100 METERS AWAY |
| - Pile 1 (Cool < 50 C): Stack loosely on pallets with air gaps. |
| - Pile 2 (Warm 50-70 C): Spread in a SINGLE layer, 1 meter apart. |
| - Pile 3 (Charred > 70 C): Break open completely and soak with water. |
| STEP 6: 48-HOUR FIRE WATCH ON REMOVED BALES |
| - Monitor removed bales with a probe or thermal camera for 48 hours. |
+-------------------------------------------------------------------------+
Gawo 4: Kupewa Kuyimitsa & Kuyika: Malire a Chinyezi, Mayeso a Stem-Moisture, ndi Preservatives¶
Kodi n'chifukwa chiyani alimi odziwa bwino ntchito amakopeka ndi khola la udzu ngakhale pamene masamba akunja amphepo akuwuma ndi dzuwa masana?
1. "Stem Moisture" vs. "Dew Moisture" ndi Bale Density Limits¶
- Chinyezi Chamkati Chamkati (madzi otsekeredwa mkati mwa tsinde la alfalfa korona, mapesi a clover, kapena ma oat node osakhwima) ndi owopsa kwambiri kuposa mame opepuka amadzulo pamasamba. Pamene baler wamkulu-kachulukidwe lalikulu lalikulu (
3x4kapena4x4mabale wothinikizidwa pa> 200 kg/m3) amaphwanya tsinde zokhuthala, madzi obisika amatuluka mumpanda wotsekeka kwambiri. - Maperesenti Apamwamba Otetezedwa Otetezedwa (Popanda Zosungira):
| Mtundu wa Bale & Kukula | Chinyezi Chokwanira % cha nyemba za nyemba (nyemba / Clover) | Chinyezi Chokwanira % cha Grass Hay / Udzu | Chifukwa Chake Mabale Aakulu Amafunika Drier Hay |
|---|---|---|---|
Timizere tating'ono ting'onoting'ono timene timakona (18 to 30 kg / 40 to 65 lbs) |
18% to 20% |
18% to 20% |
Mtunda wamfupi (20 cm / 8 in) kuchokera pachimake kupita kunja kumapangitsa kutentha ndi nthunzi kutuluka |
Mabale Aakulu Ozungulira (1.2x1.5 m kapena 1.5x1.8 m, 450 to 800 kg / 1,000 to 1,750 lbs) |
15% to 16% |
16% to 18% |
Njira yayitali kuchokera pachimake kupita pachimake chakunja imatchinga kutentha (volume scales cubically while surface area scales quadratically) |
**Mabere Aakulu Akuluakulu Akuluakulu ** (3x3 kapena 3x4, 400 to 900 kg / 900 to 2,000 lbs) |
12% to 14% |
14% to 16% |
Kuponderezana kwakukulu kwa ma hydraulic kumachotsa njira za mpweya, kupanga kutsekereza kwambiri komanso chiwopsezo chamoto chodzidzimutsa |
2. Kugwiritsa Ntchito Buffered Propionic Acid & Kugwiritsa Ntchito "2-Week Outdoor Sweat Rule"¶
- Zosungirako Zosungirako Zosungirako Zosungirako Zosakaniza za Propionic Acid: Ngati mvula ikubwera ikukukakamizani kuti muwononge udzu ku **
20% to 26%chinyezi **, ikani malonda buffered propionic/acetic acid liquid conservative pa baler pickup (2 to 5 kg per metric ton / 4 to 10 lbs per ton, kuchepetsedwa kukhala chinyezi). Propionic acid imalepheretsa nkhungu ndi mabakiteriya a thermophilic. (Chenjezo: Mchere wopanda miyala [NaCl] Kuponyedwa pamabole a udzu kumapangitsa OSATI kuteteza kuyaka kochitika pokhapokha ngati atagwiritsidwa ntchito pamlingo waukulu, wosakoma wa> 2%ndi kulemera kwake, ndipo imatha kukoka chinyezi chozungulira mu bale). - Osaunjikira Mabale Okayikira Mkati mwa Khola Pompopompo ("Lamulo la Kutuluka Panja Kwa milungu iwiri mpaka 3"):
- Ngati kuchuluka kwa mabala kumayesa pamwamba pa chinyezi chomwe mukufuna (
> 16%kwa mabale aakulu kapena> 20%kwa timiyendo tating'ono) - kapena ngakhale **mabobo atatu kapena 4 okha onyowa kuchokera ku dzenje lotsika kapena mzere wamtengo wamthunzi ** ali m'ngoloyo - **OSATI kuyika mabotolowo mkati mwa khola lanu lalikulu la udzu **. - Zimangotengera **bale limodzi lonyowa ** lokwiriridwa pakati pa 500 zowuma fupa kuti ayambitse ng'anjo ya bakiteriya yomwe imayatsa nkhokwe yonse.
- Sungani mabale okayikira panja pamiyala kapena miyala mumizere imodzi (ndi
30 cm / 1 footmipata ya mpweya pakati pa mizere) pansi pa tarp yopumira kwa masiku 14 mpaka 21 mpaka atamaliza "thukuta" lawo lachilengedwe ndikuzizira pansipa38 C (100 F)musanawalowetse m'nyumba.
- Ngati kuchuluka kwa mabala kumayesa pamwamba pa chinyezi chomwe mukufuna (
Tip
Momwe Mungayang'anire Chinyezi cha Windrow mu Mphindi 2 Popanda Electronic Meter ("Twist Test" & "Thumbnail Scrape Test"): Musanayambe baler, fikirani pansi pamphepo yokhuthala, yolemera kwambiri ndipo gwirani nkhonya zodzaza nkhonya: (1) Mayeso Okhotakhota: Ponyani mtolo ngati kugwedeza manja anu mwamphamvu; ngati zimayambira zikumva zoledzera, zopindika, kapena kuwonetsa chinyezi chakuda pamfundo zopotoka, nyowa ndi > 22% (OSATI BALE); ngati zimayambira zikudumpha ndikubwerera mmbuyo, yang'anani mfundozo. (2) Mayeso a Thumbnail Stem-Scrape: Pala chigawo chakunja cha nyerere kapena tsinde la udzu ndi thumbnail; ngati khungu limasenda mosavuta ndikuwululira minofu yobiriwira yonyowa, ndilonyowa kwambiri ngati mabele akulu (> 18%). (3) Mayeso a Microwave Oven 100-Gram: Kuwaza 100 grams udzu pamlingo wa khitchini, ikani mu microwave ndi kapu yamadzi (kuteteza magnetron), youma mu masekondi 90 mpaka kulemera kumasiya kutsika (Final Dry Weight), ndikuwerengera: % Moisture = 100 - Final Grams.
(Zokhudzana ndi ngozi zachitetezo chaulimi ndi kumidzi, onani Gasi wa silo wambewu (mafusi ofiira a nitrogen dioxide) ndi dzenje la manyowa hydrogen sulfide, Kuwotcha mulu wa maburashi, kuyatsa moto kwa udzu, komanso chitetezo chamadzi akumidzi,ndi Tractor rollover ndi backflip yakumbuyo. Lingalirani kuchita maphunziro ozimitsa moto akumidzi ndi chithandizo choyamba chaulimi kudzera muofesi yanu yowonjezera, Red Cross, kapena St John Ambulance.)
Nambala zangozi zachigawo ndi ndondomeko za bungwe¶
| Dera / Dziko | Moto Wadzidzidzi & Kupulumutsa | Agricultural Extension & Rural Safety Authorities | Specific Regional Barn Fire & Overhaul Protocols |
|---|---|---|---|
| United States & Canada | 911 |
** USDA / Maofesi Othandizira Ogwirizanitsa ** (Chigawo Chilichonse cha US) NASD (National Ag Safety Database) OMAFRA (Ontario) / Alberta Agriculture | Maofesi amoto akumidzi aku US ndi Canada amagwiritsa ntchito ** Makamera Ojambula Otentha (TIC), mphuno zoboola, ndi thovu lonyowetsa la Gulu A (0.3% to 0.5%)** kuziziritsa > 77 C (170 F) haystacks pamaso makina kuchotsa. Musazengereze kuyimbira foni mkulu wozimitsa moto wakumaloko kuti mupeze **65 C (150 F) fufuzani moyimilira ** - ozimitsa moto amakonda kwambiri kuyendetsa galimoto imodzi kuti ikokedwe ndi balere polimbana ndi moto wapakati pausiku womwe ukukhudzidwa kwambiri ndi barani. |
| United Kingdom | 999 kapena 112 |
Woyang'anira zaumoyo ndi chitetezo (HSE Agriculture) NFU (National Farmers' Union) |
Pansi pa **UK Fire & Rescue Service National Operational Guidance **, malo akumidzi amakhala ndi ** zowunikira kutentha kwa udzu ndi mikondo yotentha ** ndikuchita zoyezetsa zodzitchinjiriza zopewera kutentha pamene alimi anena za kutentha pamwamba. 60 C. |
| European Union | 112 |
National Chambers of Agriculture & Rural Fire Brigades (Feuerwehr / Sapeurs-Pompiers) | M'madera a mkaka wa Alpine ndi Central Europe (Germany, Austria, Switzerland, France), mabungwe ozimitsa moto odzipereka (Freiwillige Feuerwehr) amagwira ntchito mwapadera klzzwxh:0283 >= 70 C. |
| Australia & New Zealand | Australia:000* New Zealand: 111 |
CFA (Country Fire Authority, VIC) / NSW RFS / DFES AFIA (Australian Fodder Industry Association) FENZ (Fire and Emergency NZ) | CFA ndi NSW Rural Fire Service amasindikiza zidziwitso zakupsa kwa udzu wokhazikika pakanthawi (makamaka kusefukira kwamadzi kapena mvula yamkuntho yonyowetsa oaten ndi udzu wa lucerne) ndikuyika matanki amadzi ambiri ndi zokumba kuti ziwonjezedwe pamwamba. 70 C. |
| India & Asia-Pacific | India:112* kapena **101 (Moto) ** ** Japan: ** 119 |
ICAR (Indian Council of Agricultural Research) / State Krishi Vigyan Kendras (KVK) |
Kutentha kwa udzu wa paddy, tirigu bhusa, ndi milu ya bagasse panthawi ya chinyezi cha monsoon (> 70 C), gwirizanitsani ndi Service Fire Service 101 / 112 asanagwetse milu pafupi ndi makola a ziweto. |
Mafunso omwe amafunsidwa pafupipafupi¶
Why does throwing open the barn doors or pulling apart a hot, smoking haystack cause it to suddenly explode into flames?
Once the interior of a damp haystack heats above **`77 C to 93 C (170 F to 200 F)`**, exothermic chemical oxidation and pyrolysis convert the buried hay into **superheated, porous "pyrophoric carbon" (activated char)** surrounded by pockets of combustible **carbon monoxide (`CO`), methane, and hydrogen gas**. Deep inside the tightly packed stack, this `200 C to 400 C` char cannot burst into open flame only because **all the oxygen inside the stack has been used up (`oxygen-starved smoldering`)**. The instant you throw open the barn doors or pull a bale off the pile without a charged fire hose spraying it, **`21%` atmospheric oxygen rushes into the superheated char and gas pocket**, causing instantaneous **auto-ignition and flashover** across the entire barn.
Why is it so dangerous to walk on top of a steaming haystack to check its temperature?
Spontaneous hay fires burn **from the inside out**. A smoldering fire pocket `1.5 to 2.5 meters (5 to 8 feet)` below the surface can completely consume 10 or 20 interior bales, turning them into fine ash and leaving a **massive hollow cavern ("burned-out sinkhole")** bridged only by a thin crust of intact-looking top bales. If a farmer steps onto that crust without **long `3.6-meter (12-foot)` wooden planks and a tied-off overhead safety harness**, the crust collapses like thin ice, dropping the person into a **`300 C to 500 C (570 F to 930 F)` pit of glowing ash and lethal carbon monoxide** from which it is nearly impossible to climb out.
Why shouldn't I just spray water on a warm haystack (60 C / 140 F) to cool it down?
Spraying water onto a haystack that is below the fire point (`< 77 C / 170 F`) without completely removing the bales **actually makes spontaneous heating much worse**. First, waxy hay stems shed water like a thatched roof, so a garden hose never reaches the deep hotspot. Second, the water you spray soaks into the **previously dry surrounding bales**, giving thermophilic bacteria fresh moisture to turn the **entire barn into a giant heating furnace**. Third, wet outer bales swell up and seal the stack tighter, trapping even more heat inside the core. Only use water (with a fire department hose and Class-A wetting foam) when you are actively **dismantling and flooding a critical `>= 77 C (170 F)` stack**.
Can just ONE wet bale in a wagon of 100 dry bales really burn down a whole barn?
**Yes.** Agricultural fire investigations by **Cornell University, Penn State Extension, and the Country Fire Authority (`CFA`)** repeatedly prove that **a single damp bale (`> 22% to 25%` moisture)** - often baled from a shaded fence line, a low wet spot in the field, or a slug of heavy weeds - buried near the center of a stack of completely dry bales acts like a biological matchstick. The surrounding dry bales act as **100% thermal insulation** that traps every calorie of heat produced by that one wet bale until its core crosses **`70 C (158 F)`** and ignites the dry hay around it.
Does throwing dry rock salt onto wet hay bales as you stack them prevent spontaneous barn fires?
**No - this is a dangerous agricultural myth.** Controlled university trials prove that scattering a few handfuls of dry livestock salt (`NaCl`) onto damp bales (`0.5% to 1%` by weight) does **not** stop thermophilic bacteria or exothermic chemical oxidation inside the dense core of the bale. Worse yet, salt is **hygroscopic** (it absorbs moisture from humid summer air), which can actually keep the surface of the bales damp and corrode steel barn siding and baler parts. If you must bale hay slightly damp (`20% to 25%`), use a scientifically proven **buffered propionic acid liquid preservative** applied directly at the baler chamber, and leave the bales outside for 2 to 3 weeks until they finish sweating.
Maupangiri ogwirizana¶
- Gasi wa silo wambewu (mafusi ofiira a nitrogen dioxide), matenda a silo filler, ndi dzenje la manyowa hydrogen sulfide
- Kuwotcha mulu wa maburashi, kuyatsa moto kwa udzu, komanso chitetezo chamadzi akumidzi
- Tractor rollover ndi backflip yakumbuyo: chifukwa chiyani kugunda pamwamba pa drawbar kumatembenuza thalakitala mumasekondi 1.5
- Nkhuku zakumbuyo za avian flu, kuphwanya khola kwa zilombo, komanso kupsinjika kwa kutentha kwa ziweto
- Nambala zangozi
Magwero ndi malangizo ovomerezeka¶
- Dipatimenti ya Ulimi ku United States (
USDA) & National Agricultural Safety Database (NASD): Kupewa ndi Kuwongolera Kuyaka Modzidzimutsa mu Hay ndi Silage Storages: Critical Probe Temperature Thresholds (150 F to 200 F) ndi Overhaul Safety. - Cornell University Cooperative Extension, Penn State Extension & University of Minnesota Extension: *Hay Barn Fire Prevention: Microbiological vs. Exothermic Chemical Heating Phases, Moisture Limits by Bale Density, ndi Driven Steel Pipe Thermometer Protocol *.
- National Fire Protection Association (
NFPA, United States) & International Association of Fire Chiefs (IAFC): Agricultural Barn and Silo Fire Operations: Oxygen-Limited Pyrolysis, Flashover Prevention, Thermal Imaging, and Class A Foam Application in Hay Fires. - Ulamuliro wa Moto wa Dziko (
CFA, Victoria, Australia) & Australian Fodder Industry Association (AFIA): Haystack Spontaneous Combustion Guide for Farmers and Rural Firefighters. - ** European Confederation of Fire Protection Associations (
CFPA Europe) & German Agricultural Social Insurance (SVLFG):** *Malangizo Oyezera Kutentha kwa Haystack (Heumesssonde) ndi Kuchotsa Motetezedwa kwa Forage Yodziwotcha *.