Solid State High Frequency Gem Smelting Equipment

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 15 unit/month

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Application Scope

The welding of steel tube, stainless steel tube, aluminum tube, copper tube, H-beam and special section tube.

Function Structure

Solid state high frequency welder is mainly applied to high frequency straight seam tube mill line. The high frequency power supply adopts AC-DC-AC frequency-variable structure. The rectifier adopts 3-phase 6-pulse thyristor rectifying, IGBT DC chopping or 3-phase 12-pulse thyristor rectifying. Inverter adopts high voltage large power MOSFET to form full bridge resonant inverter. Inverter output adopts high efficiency ferrite matching transformer to accomplish power synthesis, impedance matching and electric isolation. Resonant tank circuit adopts secondary side series resonance.

The whole set equipment is composed of switchgear rectifying cabinet, inverter output cabinet, circulation soft water cooling system, console and positioning table.

Technical Features

Perfect structure design

1. Independent design of switchgear rectifying cabinet and inverter output cabinet, connected by soft cable, which is convenient for layout at user’s site.

2.Rectifier selects DC chopping to ensure grid side power coefficient≥0.92 and harmonic content is the relative lowest. Adopt 12-pulse thyristor rectifying to eliminate grid side fifth and seventh harmonic, and grid side harmonic current is the lowest.

3.Power combination of the inverter bridge is accomplished by the way of power unit superposition. Each MOSFET power unit is designed to be 50kW/100kW/150kW and slideway drawer structure, which is convenient for installation and repair.

4.High standard electromagnetism compatibility design, electromagnetism radiation meets national standard.

5.High standard electromagnetism compatibility design, electromagnetism radiation meets national standard.

All-digital control system

1.3-D rectifier adopts high cost performance MCU controlling to realize precise synchronism trigger with high control precision and small grid-side non characteristic harmonic.

2. Resonant inverter adopts CPLD to form full-digital control system that is characterized by their automatic constant angle, high phase-lock precise and wide scope of phase-lock.

3.The welder has electronic automatic load matching function with good load adaptability, high electrical efficiency and high power coefficient.

4.The welder has perfect protection function with reliable working and low failure rate.

HMI and fault diagnosis system

1.Adopt PLC and touch screen to form perfect HMI system.

2.Realize integrated automatic control of welder system.

3.Fault display and diagnosis system

Main Technical Parameter

model	AC input	Rated DC voltage	Rated DC current	Frequency scope	Electrical efficiency	Working status
GGP60-0.8-H	3AC380V 50/60Hz	450V	130A	650~ 800 kHz	≥85%	continuous
GGP100-0.45-H	3AC380V 50/60Hz	450V	220A	400~ 450 kHz	≥85%	continuous
GGP150-0.4-H	3AC380V 50/60Hz	450V	330A	350~ 400 kHz	≥85%	continuous
GGP200-0.35-H	3AC380V 50/60Hz	450V	440A	300~ 350 kHz	≥85%	continuous
GGP250-0.3-H	3AC380V 50/60Hz	450V	550A	250~ 300 kHz	≥85%	continuous
GGP300-0.3-H	3AC380V 50/60Hz	450V	660A	250~ 300 kHz	≥85%	continuous
GGP400-0.3-H	3AC380V 50/60Hz	450V	880A	250~ 300 kHz	≥85%	continuous
GGP500-0.2-H	3AC380V 50/60Hz	450V	1100A	150~ 200 kHz	≥85%	continuous
GGP600-0.2H	3AC380V 50/60Hz	450V	1300A	150~ 200 kHz	≥85%	continuous
GGP700-0.2-H	3AC380V 50/60Hz	450V	1500A	150~ 200 kHz	≥85%	continuous
GGP800-0.2-H	3AC380V 50/60Hz	450V	1800A	150~ 200 kHz	≥85%	continuous
GGP1000-0.2-H	3AC380V 50/60Hz	450V	2200A	150~ 200 kHz	≥85%	continuous
GGP1200-0.2-H	3AC380V 50/60Hz	450V	2700A	150~ 200 kHz	≥85%	continuous
GGP1400-0.15-H	3AC380V 50/60Hz	450V	3100A	100~ 150 kHz	≥85%	continuous
GGP1600-0.15H	3AC380V 50/60Hz	450V	3600A	100~ 150 kHz	≥85%	continuous
GGP1800-0.15-H	3AC380V 50/60Hz	450V	4000A	100~ 150 kHz	≥85%	continuous

Q:What are the advantages of a vacuum furnace?: High degree of integration of mechanical and electrical. On the basis of the improvement of temperature measurement and control accuracy, the workpiece movement, air pressure regulation, power adjustment can be programmed in advance, and quenching and tempering are carried out according to the steps.

Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.: The general metal die casting plant and the metal smelting plant need process melting and dissolving furnace, usually there are reverberatory furnace, cupola, rotary furnace, etc. I do the melting furnace of aluminium alloy.

Q:Should the industrial furnace shell cool down?: Normally, the furnace shell temperature of an industrial furnace is below 50 degrees, so there is no need to cool down.

Q:Why does the burner of industrial furnace burn occasionally?: The general process for burner ignition, blowing furnace, electric spark ignition, solenoid valve, open the gas in case of delayed spark ignition, detection device detects the flame, the controller accepts signal so that the solenoid valve open, gas continuous normal combustion. However, if the ignition fails or the burner fires, the detector cannot detect the flame, which causes the solenoid valve to close and the burner flameout.

Q:What is an industrial furnace pit?: In twentieth Century 50s, coreless induction furnaces were developed rapidly. Later, electron beam kilns, using electron beams to impact solid fuels, strengthen the surface to heat and fuse materials with high melting point.

Q:What is the difference between industrial furnace masonry and ordinary masonry?: Industrial furnace masonry requirements are relatively high, industrial furnaces of different uses, whether material or masonry process, have strict requirements.

Q:How many kinds of industrial electric furnaces are there?: Electric furnace is divided into four categories: resistance furnace, induction furnace, arc furnace and special electric furnace according to the different ways of electric heating.

Q:Brief introduction to repair of industrial furnace: Although the number of industrial furnaces in general machinery plants is not large, the number of large repairs per year accounts for 16%-20% of the total number of repairs for all equipment, and the large repair costs account for about 18%-25% of the total repair cost of all equipment.

Q:What is industrial furnace masonry?: Masonry industrial furnaces refers to complete materials such as brick kilns in construction process.

Q:What is the difference between industrial furnaces and boilers?: A boiler is a mechanical device for heating water into hot water or steam by the use of heat from fuel or other sources of energy. The original meaning of a pot is a water container heated by fire. The furnace is the place where the fuel is burned. The boiler includes two parts, the cooker and the furnace.

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