Ob Chav Girder Explosion Proof Overhead Crane

DESIGN & CONSTRUCTION NTA

Kev hloov kho tus qauv

Spark-Cov ntaub ntawv uas tsis muaj zog: Siv cov bronze/aluminium bronze alloy log, los yog steel log nrog spark-resistant treads

Tsis yog-cov cuab yeej ua pa taws: Cov cuab yeej tshwj xeeb siv thaum tu

Kev tiv thaiv corrosion: Txhim kho cov txheej txheem tshuaj lom neeg

Plua plav -Ignition Proof Enclosures: Rau Zone 20/21/22 daim ntawv thov

 

TSEEM CEEB TSHAJ PLAWS & KEV PAB CUAM

Kev lag luam	Tej chaw	Explosive Hazards Present
Roj & Roj	Refineries, offshore platforms, drilling rigs	methane, propane, hydrogen sulfide, vapors
Tshuaj & Pharmaceutical	Solvent tuav, sib tov thaj chaw, polymerization	Flammable kuab tshuaj, vapors, hmoov zoo
Mining (coal)	Underground mines, thee processing plant	Methane (firedamp), thee hmoov av
Nplej & Khoom noj khoom haus	Cov hmoov nplej, nplej elevators, qab zib nroj tsuag	Combustible plua plav (hmoov, starch, qab zib)
Aerospace	Xim tshuaj tsuag lub rooj muag zaub, roj depots	Xim fumes, dav hlau roj vapors
Kev kho dej khib nyiab	Digester tsev, chaw nres tsheb	methane, hydrogen sulfide
Kev ua hlau	Aluminium / magnesium sib tsoo, hmoov tuav	Hlau plua plav (Group E plua plav)

 

TSEEM CEEB

Parameter	Standard Range	Kev txiav txim siab tshwj xeeb
Muaj peev xwm	5 - 100 tons	Siab dua rau kev siv cov tshuab ua kom zoo
Span	10 - 40 m	Txwv los ntawm kev faib tsev
Lifting ceev	1 - 20 m/min	Slower kom meej tuav
Kev Ceev Ceev	10 - 40 m/min	VFD tswj tau yooj yim pib
Lub luag hauj lwm Class	FEM M5-M6	Feem ntau cov dej num qis dua vim ib puag ncig
Chav kawm tiv thaiv	IP 55 - IP67	Siab dua rau cov plua plav / ntub dej
Chav Kawm Kub	T1-T6 (raws li ignition temp)	Yuav tsum nyob qis dua nws pib - qhov kub thiab txias

A Ob chav Girder Explosion -Cov pov thawj Overhead Craneyog tsim los rau kev nqa cov haujlwm hauvib puag ncig txaus ntshainyob qhov twg muaj cov pa taws, vapors, lossis hmoov av (xws li, cov nroj tsuag tshuaj, cov roj & cov khoom siv roj). Tag nrho cov khoom siv hluav taws xob thiab tshuab ua raws litawg- cov qauv pov thawjxws liIECEx, ATEX, GB3836, los yog sib npaug.

 

1. Ob chav Box Girders (Bridge Structure)

Welded lub thawv- hom ob chav girders ua los ntawm siab - lub zog steel

High rigidity thiab load -cov kabmob muaj peev xwm

Tsim los txo qis deformation thiab vibration

Nruab nrog rails rau trolley mus txawv tebchaws

Kev tiv thaiv - static grounding muab

 

2. End Carriages (Crane Traveling Mechanism)

Lub thawv- qauv kab teeb kawg

Explosion-cov pov thawj taug kev motors

Iav reducers nrog tiv thaiv -tsim tsim

Forged los yog cam khwb cia-steel crane log

Lub log bearings nrog kaw, tsis yog -cov vaj tse tawg

Rail sweepers, buffers, thiab derailment guards

3. Kev tawg-Cov pov thawj Trolley Assembly

Heavy- lub luag haujlwm trolley ncej

Mounted ntawm ob girders

Anti- cov khoom siv hluav taws xob siv qhov kev sib txhuam tshwm sim

Nruab nrog:

Explosion-pov thawj hoisting motor

Explosion-cov ntaub ntawv pov thawj trolley taug kev lub cev muaj zog

Kev tawg- pov thawj nres

 

4. Hoisting Mechanism (Explosion-Cov pov thawj)

Kev tawg- pov thawj hluav taws xob hoist lossis winch

Explosion-pov thawj lub cev muaj zog (Ex d / Ex e rated)

Gearbox nrog kaw lubrication system

Hlau hlua nruas nrog tiv thaiv-txoj kev kho

Siab - zog hlau hlua

Hook block nrogtsis yog-tug nuv

Overload limiter (explosion- hom pov thawj)

Upper thiab qis lifting txwv keyboards

 

5. Hluav taws xob tswj qhov system (Explosion-Cov pov thawj)

Kev tawg- pov thawj hluav taws xob tswj txee

Flameproof enclosures rau cov keyboards thiab contactors

Intrinsically muaj kev nyab xeeb tswj circuits

Kev tawg- pov thawj laub khawm thiab chaw nres tsheb pendant

PLC thiab VFD (tawg tawg - ntawv pov thawj, xaiv tau)

Cov kab hluav taws xob tiv thaiv thiab kaw cov kab hluav taws xob

6. Kev Siv Hluav Taws Xob

Explosion-proof conductor bar system

Kev tawg- pov thawj cable festoon system

Main cais hloov (Ex-rated)

Anti-static grounding thiab bonding system

 

7. Tswj cov khoom siv

Kev tawg- pov thawj pendant tswj

Kev tawg- pov thawj wireless chaw taws teeb tswj (yeem)

Operator cabin (yog siv) nruab nrog:

Kev tawg- pov thawj teeb pom kev zoo

Kev tawg- pov thawj huab cua- cua txias

Flameproof hluav taws xob Cheebtsam

8. Cov khoom siv kev nyab xeeb & kev tiv thaiv

Explosion- pov thawj tiv thaiv overload

Cov kev txwv txwv mus ncig (Ex-rated)

Emergency nres system

Anti-kev sib tsoo system (yeem)

Kub sensors ntawm motors thiab brakes

Spark-kev tiv thaiv hauv av

9. Mechanical Safety & Anti-Tswj nta

Tooj liab lossis stainless- cov khoom siv hlau hauv qhov chaw sib txhuam

Anti-teeb log flanges

Tsis yog -ferrous nres hauv ob sab phlu

Tag nrho cov chaw tsav tsheb

10. Pab & xaiv cov khoom siv

Anti-sway tswj qhov system

Kev saib xyuas qhov system

Hluav taws xob ntes thiab tua hluav taws

Plua plav- pov thawj thiab roj- kaw ntom nti

Cov txheej txheem tshwj xeeb rau corrosive ib puag ncig

Sketch

Main technical

 

 

Qhov zoo ntawm Ob Chav Girder Explosion-Cov Ntaub Ntawv Pov Thawj Crane

1. Qib kev nyab xeeb siab hauv thaj chaw muaj kev phom sij

Kev tawg- pov thawj lub cev muaj zog, nres, tswj vaj huam sib luag, thiab txwv cov keyboards

Anti-tshuaj kho tshuab tsim kom txo qis kev pheej hmoo hluav taws kub

Intrinsically muaj kev nyab xeeb hluav taws xob circuits kom ntseeg tau kev ua haujlwm

2. Muaj peev xwm thauj khoom siab & lub zog muaj zog

Ob chav lub thawv girder qauv muaj superior rigidity

Haum raunruab nrab mus rau hnyav nqa haujlwm (10–100+ tons)

Kev ua haujlwm ruaj khov txawm tias nyob rau hauv lub luag haujlwm tas mus li

3. Lifting qhov siab tshaj plaws

Trolley khiav nruab nrab ntawm ob lub girders, muab kev sib txuas siab dua

Zoo tagnrho rau cov nroj tsuag uas txwv headroom

4. ruaj khov, du & meej ua haujlwm

Txo sway thiab vibration piv nrog ib leeg -girder cranes

Optional VFD ceev tswj kom du acceleration thiab braking

Txhim kho qhov chaw raug thiab kev nyab xeeb ntawm kev ua haujlwm

5. Txhim khu kev tawg tau -Cov khoom pov thawj

Ex- ntsuas lub cev muaj zog (Ex d / Ex e) thiab cov ntaub thaiv hluav taws xob

Tsis yog- cov khoom siv hluav taws xob siv nyob rau hauv qhov siab - kev sib txhuam

Tag nrho cov gearboxes tiv thaiv kom tsis txhob muaj paug thiab paug

6. Siab Durability & Lub neej ua haujlwm ntev

Lub kaw lus kaw hluav taws xob thiab cov tshuab siv hluav taws xob tiv thaiv plua plav, roj, thiab corrosion

Kev tiv thaiv tshwj xeeb rau cov tshuaj lom neeg thiab thaj chaw sab nrauv

7. Saj zawg zog Configuration & Customization

Zone 1 / Zone 2 gas ib puag ncig

Zone 21 / Zone 22 tej thaj chaw muaj plua plav

Customized ncua, nqa qhov siab, ceev, thiab tswj hom

8. Ua raws li cov qauv thoob ntiaj teb

Ua tau raws li ATEX, IECEx, FEM, ISO, thiab CE cov cai

Haum rau cov haujlwm thoob ntiaj teb thiab EPC cov ntawv cog lus

 

Daim ntawv thov ntawm Ob Chav Girder Explosion-Cov pov thawj nyiaj siv ua haujlwm Crane

Qhov no crane yog dav siv nyob rau hauv kev lag luam qhov twgflammable los yog explosive khoomraug tuav.

 

1. Kev lag luam roj & roj

Refineries thiab petrochemical nroj tsuag

LNG thiab LPG cov chaw ua haujlwm

Offshore platforms thiab terminals

2. Tshuaj & Petrochemical Cog

Kev tuav cov reactors, cov hlab ntsha siab, thiab cov ntim tshuaj

Lifting cov khoom tsim kev puas tsuaj thiab cov khoom tiav

3. Pleev xim, txheej & cov khoom hnyav

Kev tuav cov khoom nyob rau hauv qhov chaw vapors flammable

Kev tu cov khoom sib tov thiab khaws cia

4. Kev lag luam kws tshuaj

Kev nyab xeeb tuav cov tshuaj nyob rau hauv cov chaw tswj kev phom sij

Cov chaw tsim khoom thiab ntim khoom nrog hnyav raug

5. Plua plav-Txoj kev pheej hmoo tawg tawg

Cov nroj tsuag ua qoob loo

Qab zib mills

Cov hmoov nplej

Pub thiab fertilizer nroj tsuag

6. Roj teeb & Kev Lag Luam Tshiab Zog

Lithium roj teeb tsim cov chaw tsim khoom

Hydrogen zog khoom rhiav

7. Tub rog & Cov Chaw Tsim Khoom Tshwj Xeeb

Cov mos txwv nroj tsuag

Explosives ntau lawm thiab chaw cia khoom

 

CovOb chav Girder Explosion -Cov pov thawj Overhead Craneyog tsim nyob rau hauv nruj zoo, kev nyab xeeb, thiab tawg- cov qauv pov thawj kom ntseeg tau tias kev ua haujlwm ruaj khov hauvcov pa phem thiab plua plav ib puag ncig. Tag nrho cov txheej txheem ua rawsATEX, IECEx, GB3836, FEM, ISO, thiab CEkev xav tau.

 

1. Design & Explosion-Proof Classification

Paub meej tias kev faib cov cheeb tsam txaus ntshai:

Cov roj av: Zone 1 / Zone 2

Plua plav aav: Zone 21 / Zone 22

Txiav txim siab tawg- qib pov thawj (Ex d / Ex e / Ex t)

Cov qauv tsim thiab kev suav cov load

Xaiv cov ntawv pov thawj tawg- cov khoom pov thawj

 

2. Cov khoom siv raw xaiv & tshuaj xyuas

Siab -lub zog steel qauv (Q235B / Q345B lossis sib npaug)

Kev txheeb xyuas cov ntaub ntawv pov thawj

Ultrasonic kuaj rau sab hauv tsis xws luag

Txhaj tshuaj tua blasting rau saum npoo tu thiab tswj zoo li qub

 

3. CNC txiav & phaj npaj

CNC ntshav los yog laser txiav ntawm daim hlau girder, stiffeners, diaphragms

Ntug beveling rau vuam zoo

Dimensional soj ntsuam thiab ib feem cim

 

4. Ob chav Girder Fabrication

4.1 Box Girder Assembly

Kev sib dhos ntawm lub vev xaib, flange daim hlau, thiab sab hauv diaphragms

Precision jigs xyuas kom raug camber thiab sib dhos

4.2 Tsis siv neeg vuam

Submerged arc vuam rau lub ntsiab seams

CO₂ roj-shielded vuam rau cov pob qij txha

4.3 Kev ntxhov siab & Kev Ncaj Ncees

Kev vibration lossis kev kho cua sov kom txo tau kev ntxhov siab

Mechanical straightening los tswj deformation

4.4 Tsis yog-Kev kuaj kev puas tsuaj

Kev kuaj ultrasonic (UT)

Magnetic particle xeem (MT)

Visual tshuaj xyuas ntawm weld seams

 

5. End Carriage & Travel Mechanism Manufacturing

Fabrication ntawm lub thawv- hom kab kab kawg

CNC machining ntawm lub rooj zaum

Installation ntawm:

Explosion-cov pov thawj taug kev motors

Kev tawg- pov thawj nres

iav reducers

Forged crane log

Alignment thiab du -kev sim mus ncig

 

6. Kev tawg -Cov pov thawj Trolley & Hoisting Mechanism

Kev sib dhos ntawm trolley ncej

Installation ntawm:

Explosion-pov thawj hoisting motor

Gearbox nrog kaw lubrication

Hlau hlua nruas thiab ncej

Tsis yog-tshuaj nuv thiab sheaves

Installation ntawm overload limiter thiab txwv keyboards

 

7. Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob (Kev tawg-Cov pov thawj)

Kev tawg- pov thawj hluav taws xob tswj txee fabrication

Kev teeb tsa ntawm cov nplaim hluav taws xob tiv thaiv thiab cov keyboards

Intrinsically muaj kev nyab xeeb tswj circuits

tawg- pov thawj pendant lossis wireless chaw taws teeb

Grounding thiab anti-static bonding system

 

8. Kev Kho Hniav & Tiv Thaiv -Static Painting

8.1 Phom Blasting

Steel nto blasted rauSa 2.5txheem

8.2 Txheej Txheej Txheej

Anti- zoo li qub epoxy zinc- nplua nuj primer

Epoxy intermediate txheej

Polyurethane los yog tawg tshwj xeeb- pov thawj topcoat

 

9. Crane Assembly & Pre-Kev teeb tsa

Kev sib dhos ntawm ob chav girders thiab kawg carriages

Txhim kho qhov tawg- pov thawj trolley

Fais fab mov system installation (busbar lossis festoon cable)

Hluav taws xob thaiv thiab kev txheeb xyuas av

 

10. Hoobkas Txais Kev Xeem (FAT)

Kev xeem suav nrog:

Tsis muaj -load haujlwm kuaj

Static load test (125% rated load)

Dynamic load test (110% rated load)

Nres thiab kev ntsuas ceev

Kev txheeb xyuas qhov tawg - cov khoom pov thawj

Hluav taws xob rwb thaiv tsev thiab grounding xeem

 

11. Daim ntawv pov thawj & Cov ntaub ntawv

Kev tawg - pov thawj kev soj ntsuam

Tshaj tawm ntawm:

ATEX / IECEx daim ntawv pov thawj

Load test reports

Daim ntawv pov thawj zoo

Cov ntawv qhia kev ua haujlwm thiab kev saib xyuas

 

12. Ntim & Kev thauj mus los

Kev tawg- pov thawj cov khoom siv hluav taws xob tau ntim rau hauv cov thawv ntim ntoo

Cov khoom siv tiv thaiv nrog ya raws - cov ntaub ntawv pov thawj

Kos rau kev ruaj ntseg tuav thiab installation

 

13. Nyob rau -Site Installation & Commissioning

Installation ntawm cov kab hluav taws xob

Kev sib txuas hluav taws xob thiab kev kuaj xyuas hauv av

Ntawm - qhov chaw kuaj xyuas

Kev tawg - pov thawj kev nyab xeeb pov thawj

Kev cob qhia tus neeg ua haujlwm thiab kev xa khoom

Rhiav saib:

Lub tuam txhab tau teeb tsa cov cuab yeej ntse tswj kev tswj hwm lub platform, thiab tau teeb tsa 310 teeb (teev) ntawm kev tuav thiab vuam robots. Tom qab ua tiav ntawm txoj kev npaj, yuav muaj ntau tshaj 500 teeb (sets), thiab cov khoom siv sib txuas sib txuas yuav ncav cuag 95% . 32 cov kab vuam tau muab tso rau hauv kev siv, 50 tau npaj los nruab, thiab automation tus nqi ntawm tag nrho cov khoom kab tau mus txog 85%.