A composite bed reactor and method for co-producing calcium carbide, gas and tar
A reactor and composite bed technology, applied in the field of composite bed reactors, can solve the problems of small particle raw material flow interference loss, high investment, high pollution, etc., and achieve the goal of less difficulty in design and construction, lower cost, and faster reaction rate Effect
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Embodiment 1
[0032] A composite bed reactor for the co-production of calcium carbide, gas and tar, such as figure 1 shown. The reactor includes a hopper 1, a moving bed preheating chamber 2, a tar trap 3, a gas outlet 4, a rotary distributor 5, an oxygen heating chamber 6, an oxygen injection burner 7, a product molten pool 8, and a product outlet 9 and gate silo 10, etc., the hopper 1 has one, located on the top of the central axis of the reactor, the bottom of the hopper 1 is connected with the gate silo 10, the gate silo 10 is connected with the moving bed preheating chamber 2, and the moving bed preheating chamber A tar trap 3 is provided on the top side of the hot chamber 2, and a gas discharge port 4 is provided on the tar trap 3. A rotary distributor 5 is provided at the bottom of the moving bed preheating chamber 2, and the moving bed preheating chamber 2 passes through the rotary distributor. 5 communicates with the oxygen heating chamber 6, and the bottom of the oxygen heating c...
Embodiment 2
[0039] A method utilizing reactor coproduction calcium carbide, coal gas and tar described in embodiment 1, comprises the following steps:
[0040] A. Raw material molding: coal powder and calcium carbide slag (containing 90% calcium hydroxide) are used as raw materials, and the fixed carbon content in the coal powder is 70%, the volatile content is 22%, the ash content is 8%; the C content is 76 %. Grind and sieve the raw materials, select powder materials below 120 mesh, mix according to the ratio of C / Ca molar ratio of 16:1, stir evenly, and use a tablet machine to form columnar particles with a diameter of 30mm and a height of 40-60mm.
[0041] B. Raw material transportation and preheating: send the raw material particles obtained in the above step A to the hopper 1, and then transport them to the moving bed preheating chamber 2 through the gate silo 10, adjust the feeding speed and the motor speed of the rotary distributor 5, and then control the The speed at which the...
Embodiment 3
[0045] A method utilizing reactor coproduction calcium carbide, coal gas and tar described in embodiment 1, comprises the following steps:
[0046] A. Raw material granulation: Coke and calcium oxide are used as raw materials, wherein the C content in coke is about 90%, the ash content is about 8%, and the purity of calcium oxide is about 90%. Grind and sieve the raw materials, select the powder below 60 mesh, mix according to the ratio of C / Ca molar ratio of 9:1, mix well, spray and add water, and finally use a double-roll extrusion molding machine to form pellets with a particle size of 30mm.
[0047] B. Raw material transportation and preheating: send the raw material particles obtained in the above step A to the hopper 1, and then transport them to the moving bed preheating chamber 2 through the gate silo 10, adjust the feeding speed and the motor speed of the rotary distributor 5, and then control the The speed at which the granular raw materials move down in the moving...
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