Large Scale Vertical Fire Resistance Test Furnace for testing Building Construction and Materials

I. Scope of application：

1.1 Applicable to the fire resistance test of doors and shutter assemblies installed in the openings of vertical separating elements; such as hinged doors, pivot doors, horizontal sliding doors, vertical sliding doors, (including link sliding doors and sectional doors), rolling doors, other sliding, folding doors, flap doors, panels that can be moved in the wall, etc., as well as the fire resistance test of building doors with doors \ without doors and shutters.

II. Standards

2.1 Conformity with standard BS EN 1364-1: 2015: "Fire resistance test for non-load bearing Part 1: Walls

2.2 Conformity with standard BS EN 1364-3: 2014: "Fire resistance test for non-load bearing walls. Part 1: Curtain walls. Complete structural integrity assemblies".

2.3 Conformity with standard BS EN 1364- 4: 2014 "Fire resistance testing of non-load bearing elements. Part 4 curtain wall, component configuration

2.4 Conform to BS EN 1365-1:2012 "Fire resistance testing of load bearing components Part 1: Walls".

2.5 Conformity with BS EN 1365-5:2004 "Fire resistance testing of load-bearing elements Part 5: balconies and walkways

2.6 Conformity with BS EN 1365-6:2004 "Fire resistance testing of load bearing elements part 6: stairs

2.7 Conformity with BS EN 1366-2:2015 "Fire resistance testing of service installations Part 2 fire dampers

2.8 Conformity with BS EN 1366-3:2009 "Fire resistance testing of service installations Part 3 impermeable seals

2.9 Conformity with BS EN 1366-5:2010 "Fire resistance testing of service installations Part 5 Auxiliary passages and ventilation shafts

2.10 Conformity with BS EN 1634-1:2014+A1:2018 "Fire resistance testing of door and hood assemblies Part 1 Fire of doors and hoods

3.12 Conformity with BS EN 1634-2:2008 "Fire resistance testing of building hardware components for doors, shutters and operable window accessories and assemblies Part 2

3.13 Conformity with standard BS EN 1634-3: 2004 "Fire resistance testing of door and fascia components Part 3 Smoke doors and fascia".

3.14 Conformity with BS EN 13381-2: 2014 "Test methods for determining the contribution of components to fire resistance. Protection of vertical structures

3.15 Conformity with standard BS EN 13381-4:2013 "Test methods for determining the contribution of members to fire resistance Part 4 Passive protection of steel structures

3.16 Conformity with standard BS EN 13381-7:2019) "Test methods for determining the contribution of members to fire resistance Part 7 Protection applied to timber members

3.17 Conformity with standard BS EN 13381-8: 2013 "Test methods for determining the fire resistance of members Protection methods for steel members applied to steel members

3.18 Conformity with standard BS EN 13381-9: 2015 "Test methods for determining the contribution of members to fire resistance. Application of fire protection systems for steel beams with web openings

3.19 Conforms to Standard ASTM E119: 2012 "Methods of Fire Test for Building Structures and Materials

3.20 Conforms to Standard UL 10B: 2008 Standard for Fire Test of Door Assemblies

3.21 Conformity with UL 10C: 2009 Standard for Fire Test of Door Assemblies under Positive Pressure

III. Main Performance Features：

3.1 One furnace can be used for multiple purposes and can be compatible with multiple standards.

3.2 Adopt high-precision acquisition card to collect data of various aspects such as temperature, pressure and flow rate of each road, and analyze, process and control by microcomputer to produce real-time reproduction of real information at the time of combustion, and directly derive results by microcomputer analysis and determination; the whole machine adopts all high-quality devices to ensure the system is of high quality, high speed operation and advanced.

3.3 Adopt high-precision acquisition card + multi-circuit module + PLC + computer, and implement PID automatic control mode, with excellent stability, repeatability and reproducibility.

3.4 Adopting WINDOWS XP operation interface and LabView, a special development software for global precision equipment, the interface style is fresh, beautiful and simple. During the test, the measurement results are displayed in real time and the perfect curve is drawn dynamically, and the data can be saved, read and printed out permanently. With high intelligence, guided menu operation, easy and intuitive features, so that the test results are more accurate.

3.5 The design life of the furnace is more than 15 years, and the furnace is built with American GOVMARK (Gomak) technology. Five-layer structure, when the inner layer temperature 1300 ℃, the outer layer temperature is room temperature; long service life, the insulation material of the inner layer (wearing parts) is easy to replace.

3.6 Multiple safety protection systems including air duct thermal protection, pressure release protection, leakage protection, gas leak detection, gas line safety protection, burner safety protection and other safety facilities to enhance the safety factor in all aspects.

3.7 The high temperature hot air extracted from the furnace is water-cooled and air-cooled, and the water uses circulating water, which improves energy conservation.

IV. Structural engineering design of the furnace See Figure 4

4.1 Furnace construction: The furnace is designed to last for more than 15 years, and the furnace is built using GOVMARK (Gomak) technology from the USA. Five-layer structure, when the inner layer is 1300°C, the temperature of the outer layer is room temperature; long service life, the insulation material (wearing parts) of the inner layer is easy to replace. The five-layer structure, from outside to inside, is as follows: the first layer is a steel frame; the second layer is built with red bricks as a periphery; the third layer is refractory high-temperature asbestos; the fourth layer is refractory bricks; the fifth layer contains zirconium refractory high-temperature cotton, with a refractory temperature of 1600°C.

4.2 High temperature resistant materials.

4.2.1 refractory bricks: use temperature for the highest temperature resistance 1750 ℃, long time high temperature resistance 1600 ℃, bulk density 1.0g/cm3, room temperature compressive strength higher than 3.2MPa, 1400 ℃ refired line change of 0.5%, thermal conductivity better than 0.4W/m - K.

4.2.2 industrial refractory binder for bonding: use temperature 1400℃.

4.2.3 furnace high-temperature resistant cotton: using zirconium-containing refractory high-temperature cotton, thickness of 50mm, a long time refractory temperature of 1600 ℃, industrial kiln special insulation materials.

4.3 Material for frame: selection according to "Industrial Furnace Design Manual" (third edition), Chapter 11 - structural parts for furnace, section 3 - steel selection, furnace pillar, side pillar, arch foot beam, force crossbeam and tie rod, etc. choose Q235-A steel, furnace outer wall steel plate choose Q215-A steel. Furnace steel material: not less than Q235; furnace steel plate: thickness ≥ 3mm. horizontal furnace body material using steel frame, replaceable.

4.4 furnace size: 3000mm (W)*3000mm (H)*1500mm (D).

4.5 furnace steel structure and pipe anti-corrosion treatment: using three layers of coating, all high temperature resistant anti-corrosion coating, the outer layer of black and gray.