Batch Type Glass Melting Furnace NGV/SFV Series

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Equipment Overview

This equipment is designed for glass melting.
Two types of furnaces are available: one with alumina fiberboard and the other with refractory materials. The one with alumina fiber board is equipped with a front door so that the melting crucible can be removed from the front. With the addition of optional equipment, a series of operations can be performed, such as sample stirring, glass flow out from the bottom of the furnace and pouring into the crusher, and mold pouring.

Glass Melting Furnace NGV/SFV Series
NGV2626F Alumina board specification

feature

  • The alumina board specification is designed for excellent heat insulation and energy saving.
  • With a wide range of options, the furnace can be used as a full-scale glass melting furnace, including glass spillage from the bottom of the furnace, stirring, and crushing.
  • It is equipped with numerous safety designs for glass spills as well as electric furnaces.
Glass Melting Furnace NGV/SFV Series
The photo shows a refractory specification SFV-2626F with a roller type crushing mechanism.

option

  • Sample stirring mechanism (degassing and defoaming of molten glass)
  • Plunger mechanism (adjustment of glass outflow)
  • shutter mechanism
  • bottom-drawing mechanism
  • One- or two-stage roller crushing mechanism
  • Nozzle direct current mechanism (heating of the nozzle portion of the glass outlet)
  • Automatic elevation of furnace bottom

Platinum-related options

  • Molten crucible
  • Melting crucible with long nozzle direct current
  • mixing blade
  • plunger
Specifications NGV/SFV
　Model Alumina board type Refractory specification
NGV-1515D NGV-2626F SFV-1515D SFV-2626F
　Furnace bottom dimensions W x D mm 150×150 260×260 150×150 260×260
　Furnace inside dimensions
W×H×D mm		 200×200×250 300×300×350 250×200×250 350×300×350
　Primary power supply AC200V 1φ
　Equipment capacity 6.5KVA 10.5KVA 15KVA 25KVA
　Heater capacity 5.5KW 9KW 12KW 22KW
　Max. temperature 1600°C 1550°C
　Normal temperature 1550°C
　Temperature rise time 90 minutes 10 hours
　Temperature distribution ±5°C (no sample within the effective dimension)
　Atmosphere Atmosphere
　Heating element Molybdenum disilicide
　Control method PID control
　Crucible 100 mm dia. x 130 mm H 130 x 150 mm dia. 100 x H130 mm dia. 130mm dia. x H150mm dia.
　Furnace bottom lifting method Manual, balance weight method
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