Welding preheat machine|welding stress relieving system

Description

High quality induction weld preheat machine&welding stress relieving system for preheat welding Shipboard and Steel Structure,welding preheat pipeline,post welding stress relieving,PWHT welding preheat blankets,PWHT welding pipeline,post welding heat treatment,etc.

MYDĀ series of induction heating systemĀ are used for PWHT,postĀ weld, preheating welding,bending, piping, coating, fitting, stress relief, pre-weld heatĀ and post-weld heatĀ treatment.

 

Post weld heat treatment machine

ModelĀ and Technical Parameters

ModelMYD-40KWMYD-50KWMYD-60KWMYD-80KWMYD-100KWMYD-120KW
Input Power3*380VAC (Default), 3*220VAC (Optional), 3*440VAC (Optional)
Output Frequency2KHZ ~ 30KHZ
Output Power40KW50KW60KW80KW100KW120KW
Input Current60A75A90A120A150A180A
AirĀ CoolingHeating size:Ā¢100-1500mmSize: 800*560*1350mm
DSP controlMax:900ā„ƒ; Heating Speed: 5-400ā„ƒ/minPacking size:900*660*1560mm
6 ChannelsĀ control10 curves recorderNet weight: 120kgGross weight with parts: 155-260kg
Main partsInduction coilK ThermocoupleR-1006Ā TemperatureĀ Recorder
Connection cableInsulation BlanketThermocoupleĀ Connection cable

PWHT manufacturer

ā— Input Voltage: 380V, 3 phase, 50/60HZ

ā—Ā Output Frequency: 2KHZ ~ 30KHZ

ā—Ā Output Power: 2KW ~ 40KW

ā—Ā Cooling: air cooled

ā—Ā Ā Heating Speed: 5-400ā„ƒ per minute

ā—Ā Heating temperature range: -30ā„ƒ-900ā„ƒ

ā—Ā Heating parts size range:Ā¢100-1500mmor equal

ā—Ā Induction coil: 10-45meters long high temperature cable with air cooled

ā—Ā Temperature recorder: 6 ChannelsĀ for temperature controlling

ā—Ā Thermocouple: K Type (5-45Ā MetersĀ long link cable)

ā—Ā Size: 800*560*1350mm Net weight: 120kg; Packing size:900*660*1560mm, Gross weight: 155kg.

The option parts ofĀ induction weld preheating machine:

ā—Ā Induction heating power

ā—Ā Induction coil (Clamp induction coil) or (Soft induction coil)

ā—Ā Connection cable for the convenient to link the coil and the heating power

ā—Ā Temperature controller

ā—Ā PLC touch screen

ā—Ā Temperature recorderĀ with printer

ā—Ā K type thermocouple&connection cable

ā—Ā Insulation Blanket

ā—Ā And other part.

MYD series induction post weld heat treatment machine,PWHT equipmentĀ to compare the resistantĀ heat:

ā—Ā Uniform

ā—Ā High Speed

ā—Ā EnergyĀ Saving: 30-80%

Features

ā—Ā Air cooling: working well at -10ā„ƒ-40ā„ƒ

ā—Ā Induction heating power: To heat the work job with insulation blanketĀ around it. High heating speed and heating efficiencyĀ with little energy lost.

ā—Ā PLC touching screen: Intuitive to see and easy to operate.

ā—Ā Soft induction coil: Easy to wind on different work piece.

ā—Ā The Removable opening Induction coil: easy to operate and move.

ā—Ā Temperature recorder: Record the whole heating curve.

ā—Ā Temperature Controller: Heating according to the heating requirement details with the Ā±3ā„ƒĀ tolerance.

Applications&using fields

Our MYD series heating system are air-cooled induction heating equipment with DSP system.

Their main applications are pipeline heat, pre-weldĀ heat, post-weld heat treatment, stress relief, injection mold heating, annealing,Ā etc.

ā—Ā Pre-heat:for coating, bending, fitting&unfitting, weld.

ā—Ā Post-weld heat treatment: tank, boiler or other metal jobs

ā—Ā Heating: mold heating, shipboard, zinc bath, large& irregular metal parts

ā—Ā Pipeline heat: pipeline oil, pipeline gas, pipeline water, pipeline petrochemicalĀ and other pipeline material

TheĀ using fields involved are petrochemical, oil and gas pipelines, aerospace, shipbuilding, steel, tanks, boilers, vessels, pressure vessels, cylinders, metal structure, spatial structure, railway bridges, electricity water, mine construction, vehicle manufacturing, nuclear power, mining, plastics processing, energy saving process, mold, screw barrel

Post weld heat treatment process

ƘĀ Heaters and parts for choice

No.Heater&PartsPictureQuantityRemark
1.MYD-40KW heater
2.MYD-50KWheater
3.MYD-60KWĀ heater
4.MYD-80KWĀ heater
5.25m cable coil(air cooling)Quick heat
6.25m cable coil(water cooling)
7.25m cable coil(high temperature)
8.Insulation blanketĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (800ā„ƒĀ 1500*600*50mm)
9.Insulation blanketĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (800ā„ƒĀ 900*600*50mm)
10.KĀ type thermcouple Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā with 2m cable
11.ThermocoupleĀ Extend

CableĀ 10m

12.ConnectionĀ CableĀ for

coilĀ 10m

13.ER-1006

Temperature recorder

 

MYD induction heating machine for PWHT preheating welding and heat treatment(PWHT)

1. Weld joint heating&heat treatment(PWHT):steel pipeline,Ā steel structure and steel sheet

2. Heating and insulation:Ā pipeline liquild, reactor,kettle, boiler, tank

3. Thermal assembly Heating: bearing, axle sleeve, engine motor and motor shell

4. Hot drying: food material, metal, printing film drying andĀ heat-shrinkĀ film

5. Factory warming: oil, gas and water heating

6. Coating heating:Ā pipeline, steel board

7. Melting: copper,aluminum,tin,zinc,lead

DifferencesĀ between MYD Series and MYDS Series induction PWHT equipment

ItemPower(KW)PLCĀ CoolingĀ typeCoil CoolingMax TemperaturePower SizeCoil Length
MYDā‰¦36010Air cooling

Waterā‰§100kw

Air for preheat

Water for PWHT

900ā„ƒ10-360kw10-50m
MYDSā‰¦3604.3Air cooling

Waterā‰§100kw

Air600ā„ƒ2.5-360kw30-80m
ItemUSBļ¼šDSPRecorder ConnectorHeating curve StorageThermocouple

Connector

Remote controlCoil Connector
MYDāˆšāˆšāˆšāˆšāˆšāˆšāˆš
MYDSƗāˆšĆ—Ć—āˆšĆ—āˆš

 

Main applications ofĀ MYD Series and MYDS Series induction post weld heat treatment machine:

ItemPreheatWeld heatPWHTThermal AssemblyReactor heatingTank heatingInjection

Mold heating

WaterGasOilPipeline Liquid
MYDāˆšāˆšāˆšāˆšāˆšāˆšāˆšāˆšāˆšāˆšāˆš
MYDSāˆšāˆšĆ—āˆšāˆšāˆšāˆšāˆšāˆšāˆšāˆš

Difference between MYD induction weld heaterĀ and ceramic pad heating elements(Quick heating)

ItemHeatInsulationHeating elementsHeating lostSpeedEfficiencyUniformity
InductionDirectInnerLess hotLessHighHighMore
CeramicTransferOuterHotMoreLowLowLess

preheat welding PWHT steel shipboard

PWHT welding preheating shipboard

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