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AssigneesBeijing University of Chemical Technology, ARP Technologies (Suzhou) Co., Ltd, Shen Zhen Su Neng Energy Saving Equipment Co. Ltd
InventorsZhiwei JIAO, Yuxiang TU, Zhengluo ZHANG, Weimin YANG, Hua YAN, Shanglun XUN
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Provided are an all-nitrogen circulating heating and vulcanization system and vulcanization method. The system includes a circulation pipeline (7). A circulation pump (1), a gas heater (4), a nitrogen heating uniformity apparatus (6), an annular seat cylinder head, a capsule (31), a circulation buffer tank (15), and a filter (16) are disposed on the circulation pipeline (7) sequentially. The capsule (31) is disposed on the annular seat cylinder head. The circulation buffer tank (15) is connected to a nitrogen supplement pipeline (33). A nitrogen production system (22), a low-pressure nitrogen buffer tank (23), a booster pump (24), a high-pressure nitrogen buffer tank (25), a pressure reducing valve (26), and a nitrogen supplement one-way valve (27) are disposed on the nitrogen supplement pipeline (33) sequentially. A recovery pipeline (20) is disposed between the capsule (31) and the low-pressure nitrogen buffer tank (23). A vacuum pump (29) and a first recovery valve (28) are disposed on the recovery pipeline (20). A second recovery valve (30) is connected in parallel to a head end of the vacuum pump (29) and a tail end of the vacuum pump (29). A cooling pipeline (32) is connected in parallel on the circulation pipeline (7). A first cooling valve (17), a second cooling valve (18), and a cooling apparatus (19) are disposed on the cooling pipeline (32).
An annular seat cylinder head, comprising a cylinder head nozzle and a cylinder head seat connected to each other, wherein spray inlets, cylinder head nitrogen outlets, a gas inlet groove, and a gas outlet groove are designed on the cylinder head nozzle;
A gas heater, comprising a first cylinder body, a gas inlet, and a gas outlet, wherein the gas inlet and the gas outlet are located on two ends of the first cylinder body respectively, a porous heating body is disposed in the first cylinder body, the porous heating body is tightly attached to an inner wall of the first cylinder body through interference fit, a plurality of gas flow channels penetrating a left side and a right side of the porous heating body are disposed in the porous heating body, flow guide cones are disposed at two ends of the porous heating body respectively, a conical pipe is welded at two ends of the first cylinder body, the conical pipe is located outside the flow guide cones, a flow channel is formed in a gap between an inner wall of the conical pipe and outer walls of the flow guide cones, two ends of the conical pipe are securely connected to flange plates respectively, openings in a middle of the flange plates communicate with the flow channel to form the gas inlet and the gas outlet respectively, and an outer wall of the first cylinder body is wrapped with an electromagnetic heating and heat preservation apparatus.
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Dependencies are inferred from the claim text.