TT-JD22HA-01 double-furnace bottom-loading reactivity tester

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●Product introduction of coke reactivity and post-reaction strength measuring device

The new TT-JD22HA-01 double-furnace bottom-loading reactivity tester is designed based on GB/T4000-2017“Determination of coke reactivity index (Cri) and strength after reaction (CSR)”. Certificate of computer software copyright registration. It is divided into single furnace, double furnace, top charge, bottom charge and other modes. The device has a high degree of automation and stable test data, which completely solves the key factors affecting the accuracy of coke reactivity data: 1 the dynamic constant temperature zone is long enough; The specific surface area of the focal sphere is consistent.

Compared with the previous D22, the new equipment developed this time has more stable temperature and gas flow control, with a touch screen instead of traditional buttons and digital table display, parameter setting is more convenient than before, and it can also be intelligently raised and lowered.

●Technical parameters of coke reactivity and post-reaction strength measuring device

1.parameters of the controller

• TT-JD22HA-01 double furnace bottom reactivity tester is designed and manufactured according to the national standard“GB/T4000-2017 coke reactivity and strength test method after reaction”, lift system.Equipment dimensions: length × width × height = 1600 × 850 × 2200 mm

• Gas flow control parameters: 0-10L/min

• Maximum flow rate of CO₂ gas: 10L/min

• Maximum flow rate of N ₂ gas: 10 L/min

• Flow control accuracy: ± 2% FS

• Flow control linearity: ± 0.5% FS

• Flow meter withstand voltage: 1 mpa

• Gas line pressure: 1 mpa

• Rated voltage: AC380V, 50Hz

• Power Regulation Mode: silicon controlled rectifier voltage and temperature control

• Noise: about 40-45dB when air-cooled

• Thermocouple: Φ12 MM × 650 mm

• CO₂ heating valve power supply: AC220V/50Hz, 120W (automatic control) 

2.Parameters of the reactor

      The furnace body is a cold-rolled plate sprayed plastic shell structure. As a result of the use of integrated furnace lining, its physical characteristics have been effectively improved, so that product consistency can be guaranteed.

      The furnace is embedded with high-temperature alloy heating wire, which is vertically and uniformly distributed on the inner wall of the furnace. This deep U-shaped groove structure makes the heating wire not easy to take off under cold or hot state, so that the life of the furnace wire is prolonged.

Independently developed special temperature control circuit, so that the temperature control error is better than the national standard value.

Using fuzzy PID temperature control algorithm, can effectively resist external electromagnetic interference, so that the whole process of temperature control has excellent stability.

• Furnace body size: 610 mm × 610 mm × 740 mm

• Furnace size: φ360 mm × φ160 mm × 570 mm

• Electric Power: Single Furnace Full Load Power 6KW, double furnace 12kw

• Furnace Wire: high temperature alloy material, wire diameter Φ1.5 mm

• Reactor: inner diameter 80 mm, height 500 mm, material GH44

3.Strength Tester after reaction

• Type I drum: 20 ± 1.5 rpm, 600 rpm for test

• Drum controller size: length × width × height = 320 × 240 × 1500 mm

• Rated voltage: AC220V/50Hz

• Rated maximum power: 0.2 kw

• Digital display: real-time digital display

        This new product compared to the previous D22 for temperature, gas flow control is more stable, and with a touch screen instead of traditional buttons and digital display, parameter setting is more convenient than before, also can intelligent lifting.

Double-bottomed reactivity tester、Apparatus for measuring coke reactivity and strength after reaction、Analyzer for coal petrography