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CN-224215919-U - Multilayer staggered fin type heat exchanger

CN224215919UCN 224215919 UCN224215919 UCN 224215919UCN-224215919-U

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a multi-layer staggered fin type heat exchanger, which comprises a heat exchanger main body, wherein a first fluid box is arranged on the heat exchanger main body, two ends of the first fluid box are symmetrically connected with rotary fluid boxes, second fluid boxes are uniformly arranged in the first fluid box at intervals, two ends of the second fluid box are respectively fixed with sealing plug interfaces, the sealing plug interfaces are respectively and tightly plugged with the first fluid box and the rotary fluid boxes, the upper and lower ends of the second fluid box are respectively fixed with an upper heat exchange fin and a lower heat exchange fin, and the upper heat exchange fins and the lower heat exchange fins at adjacent positions are staggered. The multi-layer staggered fin type heat exchanger designs the heat exchange fins into a wavy structure, and enables the heat exchange fins adjacent to the upper layer and the lower layer to be staggered, so that the heat exchange area can be effectively increased, the structure is compact, meanwhile, turbulence is increased, and the heat exchange effect is ensured.

Inventors

  • ZHU XI

Assignees

  • 东莞市瑞杰热能设备有限公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (6)

  1. 1. A multi-layer staggered fin type heat exchanger comprises a heat exchanger main body (1) and is characterized in that a first fluid tank (2) is arranged on the heat exchanger main body (1), two ends of the first fluid tank (2) are symmetrically connected with rotary fluid tanks (5), second fluid tanks (3) are uniformly arranged in the first fluid tank (2) at intervals, sealing plug-in ports (301) are respectively fixed at two ends of the second fluid tank (3), the sealing plug-in ports (301) are respectively and tightly plugged with the first fluid tank (2) and the rotary fluid tanks (5), upper heat exchange fins (4) and lower heat exchange fins (6) are respectively fixed at the upper end and the lower end of the second fluid tank (3), and the upper heat exchange fins (4) and the lower heat exchange fins (6) at adjacent positions are arranged in a staggered mode.
  2. 2. A multi-layered staggered fin heat exchanger according to claim 1 wherein the other two opposite sides of the first fluid tank (2) are respectively and hermetically connected with a first fluid inlet and outlet connection cover (201), and the first fluid inlet and outlet connection cover (201) has a flange connection structure.
  3. 3. A multi-layer staggered fin heat exchanger according to claim 1, wherein the second fluid tanks (3) are of the same size as the first fluid tanks (2) and the gaps between the second fluid tanks (3) are greater than the height of the upper heat exchange fins (4).
  4. 4. A multi-layer staggered fin type heat exchanger according to claim 1, wherein the upper heat exchange fins (4) and the lower heat exchange fins (6) are of the same wavy structure, and each plane of the upper heat exchange fins (4) and the lower heat exchange fins (6) is respectively arranged vertically to the upper surface and the lower surface of the second fluid tank (3).
  5. 5. A multi-layer staggered fin heat exchanger as claimed in claim 4, wherein the spacing between the upper heat exchange fins (4) and the lower heat exchange fins (6) is smaller than the width of the wavy structure of the upper heat exchange fins (4).
  6. 6. The multi-layer staggered fin type heat exchanger as claimed in claim 1, wherein the upper end and the lower end of the side surface of the rotary fluid tank (5) are respectively provided with a second fluid inlet and outlet pipe fitting (501) in a sealing manner, a partition plate (502) is also clamped in the rotary fluid tank (5) in a sealing manner, and an S-shaped flow channel is formed between the rotary fluid tank (5) and the second fluid tank (3) through the partition plate (502).

Description

Multilayer staggered fin type heat exchanger Technical Field The utility model relates to the technical field of heat exchangers, in particular to a multi-layer staggered fin type heat exchanger. Background A heat exchanger is a device for transferring heat from one fluid to another while ensuring that there is no direct contact between the two fluids and is widely used in a variety of industrial and commercial processes including, but not limited to, refrigeration, air conditioning, power generation, chemical production, and food processing. When the existing heat exchanger adopts fins to exchange heat, the fins are generally arranged outside the heat exchange tubes or the heat exchange box, but due to the design of the fins, the arrangement compactness of the heat exchange tubes is insufficient, and the heat exchange effect is affected. Disclosure of utility model The utility model aims to provide a multi-layer staggered fin type heat exchanger, which solves the problems that when heat exchange is carried out by adopting fins in the heat exchanger in the market in the prior art, the fins are usually arranged outside heat exchange tubes or heat exchange boxes, but the arrangement compactness of the heat exchange tubes is insufficient due to the design of the fins, and the heat exchange effect is affected. In order to achieve the purpose, the technical scheme is that the multi-layer staggered fin type heat exchanger comprises a heat exchanger main body, wherein a first fluid box is arranged on the heat exchanger main body, two ends of the first fluid box are symmetrically connected with rotary fluid boxes, second fluid boxes are uniformly arranged in the first fluid box at intervals, sealing plug connectors are respectively fixed at two ends of the second fluid box, the sealing plug connectors are respectively and tightly plugged with the first fluid box and the rotary fluid boxes, an upper heat exchange fin and a lower heat exchange fin are respectively fixed at the upper end and the lower end of the second fluid box, and the upper heat exchange fin and the lower heat exchange fin at adjacent positions are staggered. Preferably, the two opposite sides of the first fluid tank are respectively and hermetically connected with a first fluid inlet and outlet connecting cover, and the first fluid inlet and outlet connecting cover is provided with a flange connecting structure. Preferably, the second fluid tanks are the same size as the first fluid tanks in the inside thereof, and the gaps between the second fluid tanks are greater than the heights of the upper heat exchange fins. Preferably, the upper heat exchange fin and the lower heat exchange fin are of wavy structures with the same structure, and each plane of the upper heat exchange fin and each plane of the lower heat exchange fin are respectively and vertically arranged on the upper surface and the lower surface of the second fluid tank. Preferably, the distance between the upper heat exchange fin and the lower heat exchange fin is smaller than the width of the wavy structure of the upper heat exchange fin. Preferably, the upper end and the lower end of the side surface of the rotary fluid tank are respectively provided with a second fluid inlet and outlet pipe fitting in a sealing way, a baffle plate is also clamped in the rotary fluid tank in a sealing way, and an S-shaped flow channel is formed between the rotary fluid tank and the second fluid tank through the baffle plate. Compared with the prior art, the multi-layer staggered fin type heat exchanger has the beneficial effects that the heat exchange fins are designed into the wavy structure, and the adjacent heat exchange fins on the upper layer and the lower layer are arranged in a staggered manner, so that the heat exchange area can be effectively increased, the structure is compact, meanwhile, turbulence is increased, and the heat exchange effect is ensured. The multi-layer staggered fin type heat exchanger has the advantages that the overlapping area is formed between the upper heat exchange fins and the lower heat exchange fins which are staggered mutually, so that the turbulence of fluid can be effectively improved, the flow path of the fluid can be effectively prolonged, and the sufficient heat exchange effect is ensured. Drawings FIG. 1 is a schematic view of a multi-layer staggered fin heat exchanger of the present utility model; FIG. 2 is an enlarged schematic view of the structure of the multi-layer staggered fin heat exchanger of FIG. 1 at A; FIG. 3 is a top view of the internal structure of a multi-layer staggered fin heat exchanger of the present utility model. 1, A heat exchanger main body; 2, a first fluid tank, 201, a first fluid inlet and outlet connecting cover, 3, a second fluid tank, 301, a sealing plug interface, 4, an upper heat exchange fin, 5, a rotary fluid tank, 501, a second fluid inlet and outlet pipe fitting, 502, a baffle plate and 6, a lower heat exchange fin. Detaile