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    • 1. 发明专利
    • HEAT EXCHANGER
    • JPH02136694A
    • 1990-05-25
    • JP28594888
    • 1988-11-14
    • SCHMIDT SCHE HEISSDAMPF
    • JIRI JIEKAARU
    • F28D7/10F28F13/08F28F27/00
    • PURPOSE: To prolong the operating time between purification processes while sustaining the delivery temperature of gas at a substantially constant level in the process of operation interval by providing a push aside body disposed concentrically to the inner tube of a double tube member. CONSTITUTION: A push aside body 3 comprises a tube 11 closed, on the front and rear sides, with end parts 19, 20 constructed preferably for fluidity. The body 3 is guided by a guide rod 4 penetrating a cover plate 5 having upper end secured with a disc 12. The cover plate 5 and the disc 12 are coupled with a resilient compensator 13. Consequently, the body 3 can move relatively to an inner tube 2 along with the guide rod 4 and the disc 12 while closing the gas side with respect to the surroundings. The disc is moved by means of a threaded rod 14 and a driver 15. Consequently, a desired position of the push aside body 3 in the inner tube 2 can be controlled depending on a desired delivery temperature of gas.
    • 2. 发明专利
    • HEAT EXCHANGER
    • JPH01111192A
    • 1989-04-27
    • JP10440688
    • 1988-04-28
    • SCHMIDT SCHE HEISSDAMPF
    • HERUMUUTO HERUMAN
    • B23K1/00F22B1/18F28D7/00F28F13/00
    • PURPOSE: To manufacture a pipe for guiding a processed gas with a resistance to heat, corrosion or erosion by a method wherein a jacket pipe is thermally interconnected to a wall of the pipe for guiding the gas and a binding material is given a higher heat conductivity than that of the material of the jacket pipe to enable the building of the pipe as steam generating part up of a proper material. CONSTITUTION: A cooling jacket is formed out of a number of axially parallel jacket pipes 2, which 2 are interconnected to a wall 4 of a pipe 1 for guiding a gas with a heat conductivity. A binding material 3 is given a higher heat conductivity than that of the material of the jacket pipes 2. An inflow section 4 of the pipe 1 for guiding the gas is made of Cr-Ni steel or Ni steel and a cooling section 9 thereof, carbon steel. A gas inlet 7 has a connection section to an exhaust gas conduit. The jacket pipes 2 are thermally interconnected by a hard solder 3 to allow guiding of water or steam to a drum with a manifold 5 at a lower end part and with a manifold 6 at an upper end part.
    • 6. 发明专利
    • HEAT EXCHANGER FOR THERMAL FLUID GAS
    • JPH02115691A
    • 1990-04-27
    • JP25396488
    • 1988-10-11
    • SCHMIDT SCHE HEISSDAMPF
    • HERUMUUTO HERUMAN
    • F28D7/16C07C7/00F28D7/00
    • PURPOSE: To obtain a two-stage heat exchanger which can be operated with different charges, by connecting a jacket to a hot gas flow passage and providing two shut-off valves to a conduit tube and an oil injection nozzle to an outlet port. CONSTITUTION: When a heat exchanger is operated with a heavy charge, a shut-off valve 18 is opened and another shut-off valve 19 is closed. A hot cracked gas front a cracking furnace 2 is introduced to a heat-exchanging body 3 through a conduit tube 22 and an inlet port 7, cooled in a first stage, and further introduced to a concentrated pipe 4 through an outlet port 8 and a conduit tube 23. Then, the cracked gas is sent so that the gas may be cooled by means of an oil injection nozzle 5 and taken out through a conduit tube 20. The jacket pipe 10 of the heat-exchanging body 3 is connected to a steam drum on the water side or steam side through an inlet port 11 at the lower end section and an outlet port 12 in the upper end section. When the heat exchanger is operated with a light charge, the shut-off valve 18 is closed and the shut-off valve 19 is opened. The hot cracked gas is introduced to the heat- exchanging body 3, cooled in first and second stages, and further introduced to a concentrated pipe 16 through an outlet port 15. Then, the cracked gas is sent so that the gas may be cooled by means of an oil injection nozzle 21 and taken out through the conduit tube 20.