Finned tube type heat exchanger for air-cooled water chilling unit

Abstract

The utility model belongs to the technical field of application of air-cooled water chilling units, and particularly discloses a finned tube type heat exchanger for an air-cooled water chilling unit. Comprising a left vertical plate, a right vertical plate, a plurality of groups of left through holes, a plurality of groups of right through holes, a transverse U-shaped pipe, a plurality of circular plates, a circular through groove, heat conduction cement gum, a condensed liquid inlet, a condensed liquid outlet, a detachable condensed liquid distribution assembly and the like. The finned tube type heat exchanger for the air-cooled water chilling unit has the advantages that the structural design capable of being assembled or disassembled conveniently is adopted, replacement or maintenance of a single body part can be achieved, meanwhile, replacement or maintenance operation is simple, and time is saved; 2, a vertical design structure is adopted, so that the purpose of high-efficiency contact type heat exchange cooling can be achieved;

Description

Technical Field

[0001] This utility model belongs to the field of air-cooled chiller application technology, specifically relating to finned tube heat exchangers for air-cooled chillers. Background Technology

[0002] Air-cooled chiller units work by drawing in low-temperature, low-pressure refrigerant gas after evaporation and cooling from the compressor, then compressing it into high-temperature, high-pressure gas, which is then sent to the condenser. The high-pressure, high-temperature gas is cooled by the condenser, causing it to condense into a room-temperature, high-pressure liquid. When the room-temperature, high-pressure liquid flows into the thermostatic expansion valve, it is throttled into low-temperature, low-pressure wet vapor, which flows into the shell-and-tube evaporator, absorbing heat from the chilled water in the evaporator and causing the water temperature to drop. The evaporated refrigerant is then drawn back into the compressor, repeating the next refrigeration cycle, thus achieving the purpose of cooling.

[0003] Finned tube heat exchangers mainly consist of a base tube and fins attached to its surface. During operation, the high-temperature medium transfers heat to the fins and the base tube, and then the heat is transferred to the low-temperature fluid via the fins. This contact-type heat exchange method achieves efficient heat transfer.

[0004] Currently, in finned tube heat exchangers used in air-cooled chiller units, the fins are usually integrally molded with the base tube. In practical applications, this presents the problem of inconvenience in replacement and maintenance. For example, if any part of the base tube is deformed or damaged, the corresponding base tube cannot be disassembled and reassembled individually, and the entire tube needs to be replaced, which increases the operating cost. In addition, maintenance is inconvenient. If any part of the base tube is blocked, clearing the blockage is inconvenient and time-consuming.

[0005] Therefore, based on the above problems, this utility model provides a finned tube heat exchanger for air-cooled chiller units. Utility Model Content

[0006] Purpose of the utility model: The purpose of this utility model is to provide a finned tube heat exchanger for air-cooled chiller units, and to solve the problems existing in the use of finned tube heat exchangers in the prior art.

[0007] Technical Solution: The finned tube heat exchanger for air-cooled chiller units of this utility model includes a left vertical plate and a right vertical plate. Several sets of left through holes and several sets of right through holes are vertically arranged inside the left and right vertical plates, respectively. Horizontal U-shaped tubes are horizontally inserted into the left and right vertical plates through the left and right through holes, respectively. Several circular plates are fitted onto the outer wall of the horizontal U-shaped tubes, located between the left and right vertical plates. Circular grooves are symmetrically arranged inside the circular plates. The inner walls of the circular grooves are coated with thermally conductive adhesive that mates with the horizontal U-shaped tubes. A condensate inlet and a condensate outlet are respectively provided at both ends of the horizontal U-shaped tubes. Detachable condensate distribution components are provided on the condensate inlet and condensate outlet.

[0008] The detachable condensate distribution assembly of this technical solution includes a circular tube body, a partition plate disposed within the circular tube body, a condensate inlet pipe and a condensate outlet pipe disposed at both ends of the circular tube body, an inlet socket and an outlet socket disposed vertically within the outer wall of the circular tube body, and an upper flexible sealing sleeve and a lower flexible sealing sleeve respectively fitted onto the condensate inlet and the condensate outlet and used in conjunction with the inlet socket and the outlet socket.

[0009] The finned tube heat exchanger for the air-cooled chiller unit in this technical solution also includes limiting locking nuts disposed on the outer walls of both ends of the horizontal U-shaped tube.

[0010] The finned tube heat exchanger for the air-cooled chiller unit in this technical solution also includes two sets of first mounting plates with through holes and two sets of second mounting plates with through holes respectively disposed on the end faces of the left and right vertical plates.

[0011] Compared with the prior art, the advantages of the finned tube heat exchanger for the air-cooled chiller unit of this utility model are as follows: 1. It adopts a structural design that allows for easy assembly or disassembly, enabling the replacement or maintenance of individual parts. At the same time, the replacement or maintenance operation is simple and saves time; 2. It adopts a vertical design structure, which can achieve high-efficiency contact heat exchange cooling. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the main structure of the finned tube heat exchanger for an air-cooled chiller unit according to this utility model.

[0014] Figure 2 This is a side view of the structure of the left vertical plate, two sets of first mounting plates with through holes or the right vertical plate, and two sets of second mounting plates with through holes for the finned tube heat exchanger of the air-cooled chiller unit of this utility model.

[0015] Figure 3 yes Figure 1 A schematic diagram of the separate structure of the horizontal U-shaped tube, circular plate, circular through groove, thermal conductive putty, condensate inlet, condensate outlet, circular tube body and partition, etc.

[0016] The numbers in the diagram are as follows: 100-Left vertical plate, 101-Left through hole, 102-Right vertical plate, 103-Right through hole, 104-Horizontal U-shaped tube, 105-Circular plate, 106-Circular through groove, 107-Heat-conducting putty, 108-Condensate inlet, 109-Circular tube body, 110-Baffle plate, 111-Liquid inlet, 112-Upper flexible sealing sleeve, 113-Condensate outlet, 114-Liquid inlet outlet, 115-Lower flexible sealing sleeve, 116-Condensate inlet pipe, 117-Condensate outlet pipe, 118-Limit locking nut, 119-First mounting plate with through hole, 120-Second mounting plate with through hole, right vertical plate, 10-Detachable condensate distribution assembly. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0018] In the description of this utility model, it should be noted that the terms "top," "bottom," "one side," "the other side," "front," "back," "middle part," "inner," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0020] Example 1

[0021] like Figure 1 , Figure 2 and Figure 3 The finned tube heat exchanger for the air-cooled chiller unit shown includes a left vertical plate 100 and a right vertical plate 102.

[0022] The left vertical plate 100 and the right vertical plate 102 are respectively provided with several sets of left through holes 101 and several sets of right through holes 103.

[0023] A horizontal U-shaped tube 104 is inserted into the left vertical plate 100 and the right vertical plate 102 through the left through hole 101 and the right through hole 103, respectively.

[0024] The outer wall of the horizontal U-shaped tube 104, located between the left vertical plate 100 and the right vertical plate 102, is fitted with several circular plates 105. Circular through grooves 106 are symmetrically arranged inside each circular plate 105.

[0025] The inner walls of the circular through-slots 106 are each coated with thermally conductive putty 107 that is used in conjunction with the horizontal U-shaped tubes 104.

[0026] The horizontal U-shaped tube 104 is provided with a condensate inlet 108 and a condensate outlet 113 at both ends.

[0027] A detachable condensate distribution assembly 10 is provided on the condensate inlet 108 and the condensate outlet 113.

[0028] (1) During assembly, first apply thermally conductive putty 107 to the inner wall of the circular through groove 106, then fit the circular plate 105 onto the horizontal U-shaped tube 104 at equal intervals through the circular through groove 106 according to the design requirements, and finally insert the horizontal U-shaped tube 104 into the left through hole 101 and the right through hole 103 in sequence.

[0029] (1-1) When disassembling, shake the circular plate 105 to separate the circular through groove 106 from the thermally conductive putty 107. Then the horizontal U-shaped tube 104 can be pulled out horizontally from the left through hole 101 and the right through hole 103.

[0030] In addition, the detachable condensate distribution assembly 10 preferably includes a circular tube 109, a partition 110 disposed inside the circular tube 109, a condensate inlet pipe 116 and a condensate outlet pipe 117 disposed at both ends of the circular tube 109, an inlet socket 111 and an inlet outlet 114 disposed vertically inside the outer wall of the circular tube 109, and an upper flexible sealing sleeve 112 and a lower flexible sealing sleeve 115 respectively fitted onto the condensate inlet 108 and the condensate outlet 113 and used in conjunction with the inlet socket 111 and the inlet outlet 114.

[0031] The condensate inlet 108 and condensate outlet 113 are combined with the upper flexible sealing sleeve 112 and the lower flexible sealing sleeve 115 respectively to facilitate the assembly or disassembly with the liquid inlet spigot 111 and the liquid inlet outlet 114, so as to meet the needs of rapid production assembly or maintenance disassembly between the horizontal U-shaped tube 104 and the circular tube body 109.

[0032] Example 2

[0033] Based on Embodiment 1, the finned tube heat exchanger for the air-cooled chiller unit also includes limiting locking nuts 118 disposed on the outer walls of both ends of the horizontal U-shaped tube 104.

[0034] The horizontal U-shaped tube 104 and the limiting locking nut 118 are provided with external threads, which can securely lock the assembled horizontal U-shaped tube 104 and prevent the condensate inlet 108 and condensate outlet 113 from separating from the liquid inlet 111 and liquid inlet outlet 114 due to shaking.

[0035] Furthermore, the preferred finned tube heat exchanger for the air-cooled chiller unit also includes two sets of first mounting plates 119 with through holes and two sets of second mounting plates 120 with through holes respectively disposed on the end faces of the left vertical plate 100 and the right vertical plate 102. When the whole assembly is in use, the external frame fixing components cooperate with the two sets of first mounting plates 119 and the two sets of second mounting plates 120 with through holes to fix the left vertical plate 100 and the right vertical plate 102, thereby completing the stable installation of the overall structure.

[0036] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A finned tube heat exchanger for an air-cooled chiller unit, characterized in that: Including the left upright panel (100) and the right upright panel (102), The left vertical plate (100) and the right vertical plate (102) are respectively provided with a number of sets of left through holes (101) and a number of sets of right through holes (103) in a vertical direction. A horizontal U-shaped tube (104) is inserted into the left vertical plate (100) and right vertical plate (102) through a left through hole (101) and a right through hole (103) respectively. The outer wall of the horizontal U-shaped tube (104), and located between the left vertical plate (100) and the right vertical plate (102), is fitted with several circular plates (105), each with a symmetrically arranged circular through groove (106). The inner walls of the circular through-slots (106) are each coated with thermally conductive putty (107) that is used in conjunction with the horizontal U-shaped tubes (104). The horizontal U-shaped tube (104) is provided with a condensate inlet (108) and a condensate outlet (113) at both ends. A detachable condensate distribution assembly (10) is provided on the condensate inlet (108) and condensate outlet (113).

2. The finned tube heat exchanger for air-cooled chiller units according to claim 1, characterized in that: The detachable condensate distribution assembly (10) includes a circular tube (109), a partition (110) disposed inside the circular tube (109), a condensate inlet pipe (116) and a condensate outlet pipe (117) disposed at both ends of the circular tube (109), an inlet socket (111) and an inlet outlet (114) disposed vertically on the outer wall of the circular tube (109), and an upper flexible sealing sleeve (112) and a lower flexible sealing sleeve (115) respectively fitted on the condensate inlet (108) and the condensate outlet (113) and used in conjunction with the inlet socket (111) and the inlet outlet (114).

3. The finned tube heat exchanger for air-cooled chiller units according to claim 2, characterized in that: The finned tube heat exchanger for the air-cooled chiller unit also includes limiting locking nuts (118) set on the outer walls of both ends of the horizontal U-shaped tube (104).

4. The finned tube heat exchanger for air-cooled chiller units according to claim 1, characterized in that: The finned tube heat exchanger for the air-cooled chiller unit also includes two sets of first mounting plates (119) with through holes and two sets of second mounting plates (120) with through holes, respectively disposed on the end faces of the left vertical plate (100) and the right vertical plate (102).

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