Wire-tube composite structure used for evaporation and condensation of inner surface

Abstract

The invention relates to the technical field of evaporative condensers and sea water desalination, and more particularly discloses a wire-tube composite structure used for evaporation and condensationof an inner surface. The wire-tube composite structure used for the evaporation and the condensation of the inner surface comprises a condensing copper tube and tube attachment copper wire bundles; and a plurality of the tube attachment copper wire bundles are arranged and are connected to the condensing copper tube. According to the wire-tube composite structure used for the evaporation and thecondensation of the inner surface, the contact area between the needle-like tube attachment bundle-like copper wires and high-concentration steam is increased greatly, meanwhile, filmwise condensationis difficult to form on the surfaces of tube attachment bundle-like copper wires, heat at a steam generating part is rapidly led out in a dropwise condensation mode, condensation droplets slide downdirectly along the tube attachment bundle-like copper wires and are transferred to the position of low-concentration steam, and the condensing copper tube adopts a copper tube with excellent heat-conducting property which can absorb more heat maximally, so that the tube attachment bundle-like copper wires are cooled quickly in time to promote the generation and the condensation of the steam; materials are low in cost and easily obtained; and a manufacturing process is simple.

Description

technical field [0001] The invention relates to the field of evaporative condenser technology and seawater desalination technology, in particular to a composite structure of wire tubes used for evaporation and condensation on the inner surface. Background technique [0002] The evaporative condenser is a component of the refrigeration system and belongs to a type of heat exchanger. The refrigerant exchanges heat in the condenser to realize the effective operation of the refrigeration system. Existing condensers generally use water condensers, longitudinal mixing tube bundle condensers, and wire tube condensers. After its appearance, the heat transfer coefficient of the condenser has been raised to a new level, but the existing finned condenser has a complicated structure and is difficult to process. [0003] In addition, limited by the two-dimensional structure of the fins, the condensate is prone to film condensation on the surface of the fins, and for high-concentration w...

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Problems solved by technology

[0004] The present invention provides a composite structure of wire tubes for evaporation and condensation on the inner surface, which can effectively solve the problem of the time difference between the water vapor generated by the steam generator in the prior art and the small liquid droplets appearing on the surface of the two-dimensional fins. Hysteresis, when the number is small and the time is longer, the droplets are fused with each other, and a liquid film is formed locally, which is not easy to guide away

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