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CN-122015560-A - Energy-saving type plate-fin heat exchanger liquid uniform distribution device and heat exchanger

CN122015560ACN 122015560 ACN122015560 ACN 122015560ACN-122015560-A

Abstract

The invention discloses a liquid uniform distribution device of an energy-saving plate-fin heat exchanger and the heat exchanger, which relate to the technical field of heat exchangers and comprise an end socket, a liquid inlet pipe communicated with the top of the end socket, a central liquid distribution plate fixed inside the end socket and positioned below the liquid inlet pipe, liquid distribution wing plates hinged to two sides of the central liquid distribution plate respectively, a pair of split wing plates hinged to two sides inside the end socket respectively, free ends of the liquid distribution wing plates are lapped on the top surfaces of the split wing plates, a pair of split cavities respectively arranged on two sides inside the end socket, and an adjusting component arranged in the split cavities. According to the invention, the central liquid distribution plate is arranged to support the fluid falling from the liquid inlet pipe, so that preliminary distribution is realized, the fluid is prevented from directly impacting the inside of the seal head, the free end of the liquid distribution wing plate is lapped on the top surface of the distribution wing plate, a linkage type flow guiding structure is formed, and the distribution wing plate and the liquid distribution wing plate can be driven to synchronously rotate and lift or fall according to the change of liquid inlet flow in the distribution cavity by the adjusting component.

Inventors

  • WU WENJIN
  • Hua Dunchao
  • PAN LIJIANG

Assignees

  • 奎屯大森能源有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (10)

  1. 1. The utility model provides an energy-saving type plate-fin heat exchanger liquid equipartition device, includes head (1) and goes into liquid pipe (101) that are linked together with head (1) top, its characterized in that still includes: the central liquid distribution plate (2) is fixed inside the seal head (1) and positioned below the liquid inlet pipe (101), and liquid distribution wing plates (3) are respectively hinged to two sides of the central liquid distribution plate (2); The pair of flow distribution wing plates (4) are respectively hinged to two sides of the interior of the seal head (1), and the free ends of the liquid distribution wing plates (3) are lapped on the top surfaces of the flow distribution wing plates (4); The liquid distribution device comprises a pair of flow distribution cavities (6), a liquid distribution plate (3) and a liquid distribution filter screen (602), wherein the flow distribution cavities (6) are respectively arranged on two sides of the interior of the end socket (1), one ends of the flow distribution cavities are provided with flow distribution openings (601), the bottoms of the flow distribution cavities (6) are inclined and are embedded with the liquid discharge filter screen (602) above the liquid distribution plate (3), an adjusting component (7) is arranged in the flow distribution cavities (6), and the bottoms of the adjusting component (7) are in sliding connection with the flow distribution plate (4); When the flow of the liquid inlet pipe is increased, the flow distribution wing plate (4) and the liquid distribution wing plate (3) are driven to be lifted simultaneously by the adjusting component (7), and the fluid flow area of the flow distribution cavity (6) is increased.
  2. 2. The liquid uniform distribution device of the energy-saving plate-fin heat exchanger according to claim 1, wherein a plurality of flexible deceleration strips (5) which are horizontally distributed are arranged on the flow distribution wing plates (4), shear thickening fluid is filled in the flexible deceleration strips (5), the flexible deceleration strips (5) are arranged at intervals along the length direction of the flow distribution wing plates (4), and the shear thickening fluid is non-Newtonian fluid with viscosity changing along with the shear rate.
  3. 3. The liquid uniform distribution device for the energy-saving plate-fin heat exchanger according to claim 1, wherein a plurality of meshes (301) are formed in the liquid distribution wing plate (3) and the flow distribution wing plate (4), the sizes of the meshes (301) are gradually increased along the flowing direction of the fluid, and a liquid distribution net (8) is horizontally embedded at the bottom of the sealing head (1).
  4. 4. The liquid uniform distribution device of the energy-saving plate-fin heat exchanger according to claim 1, wherein two groups of buffer columns (201) which are staggered with each other are arranged above the central liquid distribution plate (2), and the two groups of buffer columns (201) are integrally arranged into an isosceles trapezoid.
  5. 5. The liquid uniform distribution device of the energy-saving plate-fin heat exchanger according to claim 1, wherein the adjusting assembly (7) comprises a moving seat (701) which is slidably connected with the top of the inner wall of the split flow cavity (6), an adjusting screw (702) is installed on the moving seat (701) in a threaded penetrating manner, one end of the adjusting screw (702) is rotatably connected with the inner wall of the split flow cavity (6), the other end of the adjusting screw penetrates through the side wall of the sealing head (1) and is connected with a driving motor (703), a traction frame (704) is fixedly connected to the bottom of the moving seat (701), and guide rails (401) which are slidably matched with the bottom of the traction frame (704) are symmetrically and fixedly connected to the top surface of the split flow wing plate (4).
  6. 6. The liquid uniform distribution device for the energy-saving plate-fin heat exchanger according to claim 5, wherein a cross rod (705) is vertically and slidably arranged in the traction frame (704), a cleaning brush (706) is arranged at the bottom of the cross rod (705), and bristles of the cleaning brush (706) are in contact with the liquid discharge filter screen (602).
  7. 7. The liquid uniform distribution device for the energy-saving plate-fin heat exchanger according to claim 6, wherein the two sides of the sealing head (1) are provided with an access cavity door (102) communicated with the flow distribution cavity (6), the two sides of the inner wall of the flow distribution cavity (6) are respectively provided with a guide groove (603) for inserting the end part of the cross rod (705), the guide groove (603) is provided with an inclined section and a horizontal section, the inclined section of the guide groove is parallel to the liquid discharge filter screen, and the horizontal section is communicated with one end of the inclined section close to the access cavity door (102).
  8. 8. The liquid uniform distribution device of the energy-saving plate-fin heat exchanger according to claim 1, wherein a plurality of accommodating grooves (302) are formed in the top surface of the liquid distribution wing plate (3) along the liquid flowing direction, flow blocking baffle plates (303) are hinged in the accommodating grooves (302), cams (304) are fixedly connected to two ends of the flow blocking baffle plates (303), arc-shaped grooves (103) for the cams (304) to be inserted are formed in the wall of the sealing head (1), and abutting protrusions (104) matched with the cams (304) are formed in the inner walls of the arc-shaped grooves (103).
  9. 9. The liquid uniform distribution device for the energy-saving plate-fin heat exchanger according to claim 1, wherein a dividing frame (604) is fixedly connected in the dividing opening (601), and one surface of the dividing frame (604) positioned in the dividing cavity (6) is elastically provided with a self-closing valve plate (605).
  10. 10. A heat exchanger comprising the energy-saving type plate-fin heat exchanger liquid uniform distribution device according to any one of claims 1 to 9.

Description

Energy-saving type plate-fin heat exchanger liquid uniform distribution device and heat exchanger Technical Field The invention relates to the technical field of heat exchangers, in particular to an energy-saving type plate-fin heat exchanger liquid uniform distribution device and a heat exchanger. Background The plate-fin heat exchanger is widely applied to a plurality of fields such as chemical industry, refrigeration, aerospace and the like by virtue of the advantages of compact structure, high heat transfer efficiency, small occupied area and the like, and the uniformity of fluid flow distribution is important to the influence of the heat exchanger performance. The patent publication number of the existing patent application is CN118565249A, the publication date is 2024 and 08 and 30, the patent is named as a ladder-shaped guide plate seal head of a plate-fin heat exchanger and a plate-fin heat exchanger, the patent comprises a seal head shell, the whole seal head shell is arranged into a ladder shape, an inlet connecting pipe is fixedly connected to the top end face of the seal head shell, the inlet connecting pipe and the seal head shell are communicated with each other, a guide plate assembly is fixedly connected to the bottom end of the inlet connecting pipe, and two sides of the guide plate assembly are fixedly connected with the inner wall of the seal head shell. According to the invention, through the mutual matching of the structures such as the guide plate component, the guide tail wing and the baffle plate, the fluid entering at the inlet connecting pipe can be split for multiple times, so that the fluid flowing into the fin channel layer of the heat exchanger is distributed more uniformly, the heat transfer performance of the heat exchanger can be effectively improved, compared with the traditional seal head, the heat transfer performance of the heat exchanger is more superior, a more reliable solution can be provided for the engineering design and application fields, the energy is saved, and the system efficiency is improved. The above-mentioned application has the weak point, the reposition of redundant personnel angle of subassembly that is used for carrying out reposition of redundant personnel, the circulation passageway size can't carry out dynamic adjustment according to the change of actual income liquid flow, in actual industrial scene, the income liquid flow of heat exchanger often can change because of production load fluctuation, when the flow increases, fixed knot constructs's reposition of redundant personnel ability is difficult to promote in step, lead to fluid impact dynamics increase, partial fluid can directly strike head both sides inner wall even, can not realize stable reposition of redundant personnel equipartition, when the flow reduces, fixed passageway can lead to the fluid velocity of flow too slow, the phenomenon is detained to the easy fluid appearance, equally influence equipartition effect, when the large-traffic, fluid receives inertial effect easily to the head both sides skew, result in both sides regional fluid flow to be partial big, the regional flow of middle is partial little, form obvious local drift, make the fin passageway of heat exchanger core heat transfer region can't be fully and evenly utilized, heat transfer efficiency promotes the restriction, can't fully exert energy-conserving potential, when the income liquid flow increases, high-speed fluid directly strikes fixed deflector subassembly, can produce great impact on the one hand, the wear of diversion structure, reduce equipment life, on the other hand, the stability of the side, the damage produced flows can worsening the turbulent flow and the formation of the end enclosure is further in the turbulent flow. Disclosure of Invention The invention aims to provide an energy-saving type plate-fin heat exchanger liquid uniform distribution device and a heat exchanger, so as to solve the defects in the prior art. In order to achieve the above object, the present invention provides the following technical solutions: The utility model provides an energy-saving type plate-fin heat exchanger liquid equipartition device, includes the head and is linked together with the head top go into the liquid pipe, still includes central cloth liquid board, and it is fixed inside the head and be located into the liquid pipe below, central cloth liquid board both sides are articulated respectively to have cloth liquid pterygoid lamina, a pair of split wing plate, its articulated respectively in the inside both sides of head, the free end overlap joint of cloth liquid pterygoid lamina is in the top surface of split wing plate, a pair of reposition of redundant personnel chamber, it locates respectively the inside both sides of head, reposition of redundant personnel chamber one end is equipped with the split port, reposition of redundant personnel chamber bottom slope and inlay the flowing back filter screen that is