DX8364 Building Component Fire Resistance Test Vertical Furnace And Horizontal Furnace (EN13381-8)

DX8364 Building Component Fire Resistance Test Vertical Furnace and Horizontal Furnace (EN13381-8)

Horizontal furnace:

Test Scope:

1. Reinforced concrete load-bearing walls with a single-sided fire area of 3000×3000 (mm), steel structure load-bearing walls with protective layer (fire-retardant coatings), light steel keel plate load-bearing walls, glulam load-bearing walls, etc., and temperature determination of selected points with different sections and different widths inside the wall.

2. Fire resistance test of non-bearing reconstructed fittings. Intelligent test device for fire resistance of non-load-bearing wall

The net size of the furnace is 4200×4800×1500 (mm), and the fire area of the specimen is 4200×4800 (mm)

Test scope: It can detect the fire resistance performance of symmetrical and asymmetrical structural samples under the same working conditions at the same time, such as: fireproof doors and windows, glass, fireproof plugging materials, etc., and can also carry out fire resistance tests on large fireproof partitions and fireproof partition components such as super-large firewalls, fireproof glass partition walls and fireproof roller shutters, with high efficiency, and can test several different or similar samples at the same time.

3. Intelligent test device for fire resistance of load-bearing column,

The net size of the furnace is 3000×3000×4700 (mm), and the fire height of the specimen is 3000~4600mm (the total height of the column is 3600~5200mm). The maximum cross-sectional size of the specimen is 800 mm× 800 mm or Φ800 mm.

The total axial load is 15000kN, and the upper and lower eccentric loads are 1000kN each.

Test Scope:

1. The column height is 3600~5300mm, the fire height is 3000~4700mm, and the fire resistance test of various cross-sectional shapes and sizes of reinforced concrete columns bearing single and multiple composite loads.

2. The column height is 3600~5300mm, the fire height is 3000~4700mm, and the fire resistance test of the steel structure column with a protective layer (fireproof coating) is subjected to various cross-sectional shapes and sizes of single and multiple composite loads.

3. Temperature determination of selected measurement points with different sections and different depths inside the column.

4. Fire resistance test of other items (such as safes) that are on fire on all sides.

Intelligent test device for fire resistance performance of fire damper. The configurations we provide below are for reference only;

Scope of application: It is suitable for load-bearing and non-load-bearing components such as walls, beams, columns, floor, ceilings and roofs, and other structures, accessories or structures can be used as references. This testing machine is suitable for the test of all components of GB/T9978.1~9 and ISO834-1~9 standards.

Conform to standards: GB/T9978.1-2008, GB/T9978.2-2008, GB/T9978.3-2008 "Fire Resistance Test Methods for Building Components Part I: General Requirements", ISO834-1:1999 "Fire Resistance Test Building Components Part I: General Requirements"

Main parameters:

Laboratory: 4.5M(length)x4.5M(width)x3.5M(height), the indoor use of high temperature insulation materials.

Loading device: Mechanical loading is adopted to move the overhead crane in the building. Homogeneous, central, pivotal, or eccentric loading can be simulated.

Supporting frame: connected to a wedge bracket on the frame by four rollers.

Thermocouples: including furnace thermocouples, backside heat couples, mobile thermocouples, internal thermocouples, and ambient temperature thermocouples are distributed in various areas.

Furnace pressure measurement probe: T-shaped measuring probe, measurement accuracy ± 2Pa

Specimen gap measuring probe: 6mm diameter ± 0.1mm diameter ±0.2mm diameter

Combustion system: gas distribution system (within 10 meters), flamethrower (not less than 20) and regulating valves

Combustion gas source: propane with purity of more than 95%, liquefied gas (provided by the user)

Gas flow: 0~100L/min Measurement accuracy 2.5 grade

Air flow: 0~50m3/min Measurement accuracy≤±0.5m3/min

Gas tank capacity: ≥50kg×6

Furnace temperature control system: the maximum sampling point is 10 points

ventilation system and control damper, etc

Measuring range of radiant heat on the backfire surface of the specimen: 0~10W/cm2

The temperature and pressure control in the furnace is realized by connecting the RS485 of the computer to the control system, and the DC output voltage of the combustion test sensors such as thermocouples and pressure sensors is converted into digital form, which can then be transmitted to the computer system for display and storage.

Note: The fire resistance test device of building components should be realized according to the products that need to be tested by customers, so as to avoid unnecessary costs. For example, the Tianjin Fire Research Institute of the Ministry of Public Security has 5 fire resistance testing instruments for different building components, namely the intelligent test device for the fire resistance of the load-bearing beam plate, the intelligent test device for the fire resistance of the load-bearing wall, the net size of the furnace is 3000×3000×1500 (mm), the fire area of the specimen is 3000×3000 (mm), and the total loading capacity is 2000kN

Vertical Furnace:

Scope of application: It is suitable for horizontal building components such as walls, beams, columns, floor slabs, and ceilings to determine their fire resistance characteristics under standard fire conditions.

Meet the standards: GB/T9978.1-2008, :ISO834-11999, GB/T9978.5-2008, ISO834-5:200, GB/T9978.6-2008,ISO834-6: :200 and other test requirements.

Performance characteristics: the use of high-precision multi-bit acquisition card, collection of temperature, pressure, flow and other aspects of the data, through microcomputer analysis, processing and control to produce real-time reproduction of the real information of combustion, and through microcomputer analysis to determine its combustion characteristics, the whole machine all use high-quality devices, to ensure that the system is high-quality, high-speed operation, with advanced.

Technical Parameters:

1. Instrument composition: refractory test furnace, gas flow measurement system, temperature measurement system and pressure measurement and control system.

2. Refractory test furnace: It is a vertical test furnace with an inner size of 4.5m (length), × 3.5m (depth) × 1.25m (height).

3. Furnace structure: steel structure frame is adopted, the furnace wall is built with refractory bricks in the middle of the steel structure frame, and the inner side of the furnace wall is made of high-temperature resistant thermal insulation material, with a density greater than 1000kgpm3. The outer side is wrapped with color steel, the thickness of the furnace lining material is 65mm, and the temperature test temperature in the furnace is up to 1250°C.

4. Temperature measurement system:

1. Thermocouple in the furnace: The furnace adopts K-type nickel-chromium-nickel-chromium thermocouple with a wire diameter of 2.0mm in accordance with GB/T 16839.1, the outer cover is heat-resistant stainless steel pipe sleeve, and the middle is filled with heat-resistant materials, and the length of the hot end protruding sleeve is not less than 25mm, a total of 5 pieces, and the temperature accuracy is <± 15 °C.

2. Temperature measurement of the back fire surface: using a thermocouple with a diameter of 0.5MM, welding at a thickness of 0.2MM and a diameter of 12MM

On the round copper sheet, the large nickel-chrome-nickel-silicon thermocouple in accordance with GB/T16839.1 shall be covered with an asbestos gasket of 30MM long, width and 2.0MM thickness. Total 20

3. Average temperature measurement: 8 thermocouples, suitable for GB/T7633-2008 and GB/T17428-2009

4. Maximum temperature measurement: The thermocouple is the measurement of 20 double doors with fascia that can cover up to the maximum door width of 1200mm.

5. Mobile thermocouple: measured by infrared thermometer

6. Internal thermocouples: There are 4 thermocouples, which are suitable for measuring the internal temperature of ventilation ducts.

7. Ambient temperature measurement: The armored thermocouple with a diameter of 3.0MM is used, and the large nickel-chromium-nickel-silicon K-type thermocouple conforming to GB/T16839.1 is adopted.

8. Furnace pressure measurement: T-shaped measuring probe, measurement accuracy ± 2pa. three

9. Loading system: Adopt pressure sensor to measure

10. Deformation measuring instrument: electronic deformation measurement device is adopted

11. Gap probe: made according to GB/T9978.1 standard

12. Burner: There are 8 high-speed burners embedded in the furnace walls on both sides, six on each side. Provides the heat needed to heat up in the furnace.

13. Smoke exhaust: There are three smoke exhaust holes on the furnace wall behind the furnace wall, which are connected to the flue at the back to discharge the flue gas in the furnace body. Control stress.

14. Observation hole: There are two viewing holes on the side wall of the furnace body, which are used to observe the fire surface and flame of the specimen during the test.

15. Loading device: using a trolley, 3.5M high, 3.0M wide, composed of a car body and a test piece platform. The car body is designed with four ground wheels, which can move on the rail, and the test platform: 3.0m*3.0m square steel structure frame. During the test, the test piece platform with the test piece is hoisted to the car body with an electric hoist, and then the cart is pushed to the test position and fixed, and then the test is started.

16. Electrical control part: MCGS configuration software and PLC program of integrated industrial computer are adopted.

Including: main control interface, furnace temperature curve interface, specimen temperature interface, historical record interface and parameter determination interface.