Lamella heat exchanger and manufacturing method thereof and lamella evaporative condensing equipment
A technology of condensing equipment and heat exchangers, which is applied in the field of plate and shell evaporative steam condensing equipment, plate and shell heat exchangers and their manufacturing, and can solve the problems of lower heat exchange efficiency, poor heat exchange and cooling effect, and poor heat exchange effect and other problems, to achieve the effect of good heat transfer effect, high heat transfer efficiency and easy processing
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Example Embodiment
[0030] Example 1
[0031] Attached below figure 1 The parallel flow plate and shell evaporation condensing equipment in the present invention will be described.
[0032] Such as figure 1 As shown, the plate and shell evaporative condensing equipment of the present invention includes an upper box body, a lower box body and a plate and shell heat exchanger 6 in the shape of a rectangular parallelepiped. The top of the upper box is provided with an air inlet. Below the air inlet, a fan 1 and a spray device 3 are arranged in order to realize the air circulation and water distribution of the condensing equipment; the plate and shell heat exchanger 6 is located in the spray device 3 The lower part is connected with the upper box body by bolts or welding; the lower part of the lower box body is lower than the plate and shell heat exchanger 6 with an outlet grid 11, which can make the moist air move out of the lower box body in time, and at the same time in the lower box body The bottom i...
Example Embodiment
[0035] Example 2
[0036] Such as figure 2 As shown, it is a cross-flow plate and shell evaporative condensing equipment. This embodiment is similar to Embodiment 1, except that the air outlet and the position of the fan 1 are set at the top of the upper box, beside the air inlet, and at the same time A section of PVC packing layer 7 is also provided under the plate and shell heat exchanger 6. When the hot and humid circulating water passes through the packing layer, the contact time between it and the packing layer 7 is prolonged, so as to better reduce the circulating water temperature. The packing layer 7 and the plate and shell heat exchanger 6 are also provided with a water baffle 2 on the side close to the air outlet to guide the spray water flowing out of the plate and shell heat exchanger 6 to the PVC packing.
Example Embodiment
[0037] Example 3
[0038] The manufacturing process of the parallel plate and shell evaporative condensing equipment with plate and shell heat exchanger of the present invention includes the following steps:
[0039] A. First, stamp the stainless steel plate to form transverse and longitudinal grooves and / or flanges, and process one end into a sawtooth structure to obtain a heat exchange plate unit;
[0040] B. Then take two heat exchange plate units, symmetrically superimpose the heat exchange plate flange to flange, and groove to groove, and weld the adjacent longitudinal and transverse edges of the heat exchange plates into correspondingly Integrated, forming a single heat exchange plate bundle, such as Figure 4 , 5 Shown
[0041] C. Take a plurality of plate and shell heat exchange plate bundles 5, and superimpose the flange of the heat exchange plate bundle on the flange, and the groove on the groove symmetrically. The edges are correspondingly welded into one body;
[0042] D. ...
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