1、TotalStructurerequirements

（1）CheckExplosion-proof electrical equipment的type、level、group、Environmental Conditions And specialmark，ShouldcompliantDesign Requirements。

(2) Explosion-proof electrical equipment should be installed on metal brackets with firm fixation. For equipment with vibration, the fixing bolts should be equipped with anti-loosening devices such as spring washers。

(3) The cable entry points of explosion-proof electrical equipment should be reliably grounded and sealed with cables and conductors. For excess entry points, the elastic sealing gaskets and metal washers should be properly arranged, and the compression nuts should be tightened to seal the entry points。The thickness of metal washers shall not be less than 2mm。

（4）Explosion-proof electrical equipmentEnclosureTableAspects的MostHigh TemperatureDegreeInvincibleHighlyexceedNextTable:

（5）MaterialSystemCost的PermeableBrightComponents Or ItsTheyComponents，cleaningWhenUpadoptManufacturerUsersClean涤Agent。

（6）LightWith的Installation

LightWith的VariousVarious、Model And Power，compliantDesign Requirements And ProductTechnologycondition的requirements，InvincibleWithAccidentGreaterModification。

Screw-type bulbs must be tightened securely with good contact and must not be loose。The outer covers of luminaires should be complete with tightened bolts。

2、Flameproof TypeElectricalequipment的Installation

（1）Flameproof TypeElectricalequipmentInstallationFrontAdvanced NextColumnInspect:

1）equipment的ModelspecificationcompliantDesign Requirements；Nameplate And Explosion-proof MarkingTrulyEnsure、clear。

2）equipment的EnclosurenonCrackThread、Damage；

3）Flameproofstructure And Clearancecompliantrequirements；

4）joint surface的sturdyBoltComplete，Ammo簧WasherEtc.Anti-corrosionfacilityComplete，Ammo簧WasherPressureStandard；

5）Sealing衬垫Complete and Intact，nonAgingVariableDescribe；

6）PermeableBrightComponentsLightSlidingnonDamage；

7）OperateInteractionComponentsnon碰撞 And WearWipe；

8）WiringPlate And Insulating PartsnonBreakCrack，WiringBoxCoverTighten，Electrical Clearance And 爬Electricrequirementscompliantstandardizedrequirements；

9）Groundingmark And GroundingScrew钉Intact。

(2) Flameproof electrical equipment shall generally not be disassembled or reassembled.。

(3) The shaft and shaft bore of flameproof motors, and the fan and end shield, shall not collide or rub against each other under normal operating conditions.。

(4) For flameproof electrical equipment that produces sparks or arcs during normal operation, its electrical interlocking device must be reliable; when the power supply is connected, the cover cannot be opened, and when the cover is opened, the power supply cannot be connected.。A warning plate reading "Disconnect power before opening cover" shall be affixed to enclosures secured with bolts.。

（5）BlastSocket的Inspect And Installation

PlugPlugIntoWhen，Grounding Or Neutral GroundingTriggerBreadShouldLeadingWeldingVentilation；PlugUnplugOutputWhen。MainTriggerBreadLeadingClassOpen。

The switch can only close after the plug is inserted, and when the switch is in the disconnection position, the plug shall be inserted or withdrawn.。The slow-acting device preventing sudden withdrawal is intact and not loose.。

3、explosiondangerousEnvironmentelectricalcircuit

（1）ElectricalcircuitLaymethod、LineDiametercompliantDesignRegulations。

(2) Within explosive atmospheres, cables are not directly connected to each other.。Under abnormal circumstances, connections or branching must be made in corresponding flameproof junction boxes.。

（3）CableThroughDuringInvincibleSameHazardous Area Or ClassWallWhenUseEnhanced Truly GoodSealingMeasuresWith:

1）AccordingDesign RequirementsinCableGullyDomesticStuffSand Filling，CableThrough And Related邻AreaRegionTogetherUsers的IsolationWallLeaveNext的Hole洞UsersSealant泥PlugStrictlySealing。

2）ProtectionPipeTwoend的PipeReputationProcessing，WillCablePerimeterAroundUsersnonFlame RetardantPerformanceFiberMaintenancePlugStrictlySealing，MoreUsersSealant泥Stuff塞，Sealant泥Plugin-depthInvincibleHighlySmallInPipeSimens的DomesticDiameter And InvincibleHighlySmallIn40 mm

（4）QuiteCableOverseasExpandSetmustThroughDuringElasticitySealing RingWhenmustbeSealing RingExtrudeCompact，nothenUsersSealingStuffMaterialSealingSolid；

OverseasDiameterEtc.In Or GreaterIn20mm的Cable，inIsolationDistanceProcessingAssemblepreventionCableUnplugdetach的UnitComponentsWhen，inCablebeTighten Or SealingSolidAfter-sales，MoreTwistTightenStableCable的Bolt；

（5）Cable Entry Device Or equipmentIncoming LineReputation的SealingSuch asNext:

1）deviceDomestic的ElasticitySealing RingOneProductionHoleSealingOneFundamentallyCable；

2）beSealing的CableDeterminationAspectsRecentLikeRoundDescribe；

3）ElasticitySealing Ring And MetallurgyMetal垫 And Cable的OverseasDiameterMatching，Sealing RingDomesticDiameter And CableOverseasDiameterPermitdifferenceValueFor±1mm。

4) After the elastic sealing ring is compressed, the cable is uniformly squeezed around its circumference.。

(6) For cable entry points with cable head chambers or sealing boxes, after the cable is introduced, solidified sealing compound is poured in, and the plugging depth shall not be less than 1.5 times the diameter of the entry opening.。 And InvincibleHighlySmallIn40mm。

(7) When cable wiring is introduced into flameproof motors, flexible conduit connections are used, and different materials of flexible conduit are adopted according to different service environment conditions.。

(8) The cable surface at the through-type entry device where the cable is introduced using a sealing ring shall be clean and dry.。Outdoors and in locations prone to water ingress, the pipe openings of cable protection conduits connected to equipment entry devices shall be tightly sealed.。

4、explosiondangerousEnvironmentDomestic的SteelPipeDistributionLine

FoundationEngineeringInAlladoptGalvanizedZincSteelPipe。

(1) Threaded connections are used for conduit-to-conduit, conduit-to-electrical equipment, and conduit-to-conduit accessory connections.。Metal bonding jumpers shall not be welded at the connection points.。

ScrewThreadProcessLightSliding、complete，nonRustCorrosion， And inScrewThreadSupremeCoatconductElectricPerformanceRust-proofFat；

（2）ElectricalPipeLinePositionAreaInvincibleHighlyadoptPour扣Connection，QuiteConnectionWithDifficultTroubleWhen，adoptexplosion-proofLiveConnector，Itsjoint surfaceCompactSealing。

(3) The sealing fittings must be filled with water-setting powder sealing compound.。

（4）SteelPipeDistributionLineRequiredEquipmentexplosion-proofFlexible Conduit的InvincibleAspect:

1）Motor的Incoming LineReputation；

2）SteelPipe And equipmentdirectlyConnectionWithDifficultTroubleProcessing；

3）SteelPipe And Electricalequipment、WiringBox And TerminalBoxConnectionPerfectAfter-salesWillMoreremainder的HoleUsersWireBlockPlugStrictlySealing，QuiteHoleDomestic垫WithElasticitySealing RingWhen，ElasticitySealing Ring的OverseasSideEquipmentSteelQualityBlockPlate，ThickDegreeInvincibleSmallIn2 mm，SteelQualityBlockPlateManagementNutPressureCompact。

5、FiredisasterdangerousEnvironmentelectricalInstallation

（1）Cable EntryElectricalIntelligentequipment And WiringBox的Connection:

1）ScrewThreadConnection的Incoming LineReputation，啮OverallCompactSealing，nonScrewThreadConnection的Incoming LineReputationSteelPipeCable EntryAfter-salesInstallationEquipmentLockCompactNut。

2) When connected to motors and electrical equipment with vibration, flexible metal conduit is added.。

6、Grounding

（1）Protective Grounding

1）inexplosiondangerousEnvironmentelectricalequipment的MetallurgyMetalEnclosure、MetallurgyMetalPipeRack、MetallurgyMetalDistributionLine And And Itsaccessories、CableProtectionPipe、Cable的MetallurgyMetalUpkeepSetEtc. nonEnergized的裸DewMetallurgyMetalPart，AllStriveGrounding Or Neutral Grounding。

2) This project is classified as Zone 2 explosive gas atmosphere. In this zone, except for lighting fixtures, all other electrical equipment uses dedicated grounding conductors, with metal conduit runs and cable metal sheaths serving as auxiliary grounding conductors.。

3) The dedicated grounding conductors or neutral-bonding protective conductors of electrical equipment and lighting fixtures shall be individually connected to the main grounding conductor; the neutral working conductor in electrical circuits shall not be used as a protective grounding conductor.。

4) The connection between electrical equipment and grounding conductors shall use stranded soft copper wire with a cross-sectional area of not less than 4 mm².。

5) When armored cables are introduced into equipment, their grounding or neutral-bonding conductors shall be connected to the grounding bolts inside the equipment; the steel tape and sheath shall be connected to the grounding bolts on the outside of the equipment.。

6) The bolts used for grounding or neutral bonding shall have anti-loosening devices (with spring washers installed). Before the grounding conductors are tightened, the grounding terminals and the aforementioned fasteners shall all be coated with electrical compound grease.。

（2）Anti-static Grounding

1）FoundationEngineeringAnti-static Grounding And Electricalequipment的GroundingdeviceTogetherUsers。

2) Static grounding conductors shall be connected to the fixed grounding bolts or terminals of equipment units, storage tanks, etc. The connecting bolts shall be no smaller than M10 and shall have anti-loosening devices coated with electrical compound grease.。

3) When metal flanges are secured with metal bolts or clamps, bonding jumpers are not required.。

4) For storage tanks with a capacity of 50 m³ or more, the grounding points shall be located symmetrically around the bottom of the tank and connected to the grounding body, with the grounding body connected to form a closed loop circuit.。

5) Metal pipes introduced into explosive atmospheres, steel conduit for wiring, cable armor, and metal sheaths shall all be grounded at the entry points of the hazardous area.。

The above is an introduction to the explosion-proof electrical installation plan and requirements. For more related information, please visit Hualong Explosion-Proof at www.hlfbdq.com/.。