A packing type evaporation condensation heat exchange device and heat exchange unit

Abstract

The present invention relates to a packing-type evaporative condensing heat exchange device and a heat exchange unit, which integrates a heat exchange tube and a packing body into one body to reduce the occupied space of the unit, including a packing body and a heat exchange tube, the packing body including a first packing unit and a second packing unit arranged at intervals from left to right, the first packing unit is provided with a first recessed portion and a first convex portion formed by bending from top to bottom, the first recessed portion is recessed to the left, and the first convex portion is convex to the right, the second packing unit is provided with a second recessed portion and a second convex portion formed by bending from top to bottom, the second recessed portion is recessed to the right, and the second convex portion is convex to the left, the first recessed portion of the first packing unit is opposite to the second recessed portion of the adjacent second packing unit, and the first convex portion of the first packing unit is opposite to the second convex portion of the adjacent second packing unit; the heat exchange tubes are respectively installed on the right side of the first recessed portion and the left side of the second recessed portion.

Description

Technical Field

[0001] The present invention relates to the technical field of evaporative refrigeration, and more specifically to a packing type evaporative condensing heat exchange device and a heat exchange unit. Background Art

[0002] Traditional evaporative condensers and cooling heat dissipation fillers generally adopt independent structural forms. The assembly relationship between the two is generally that the cooling heat dissipation filler is placed below the evaporative condenser, which results in a relatively large space being occupied, increasing the volume of the unit and the height space occupied in the machine room. In addition, the high-position installation of the evaporative condenser makes the center of gravity of the heat exchange unit higher, resulting in an increase in the structural strength required by the design and a reduction in the economic benefits of the cooling project and unit equipment. Summary of the invention

[0003] The present invention aims to overcome at least one defect of the above-mentioned prior art and provide a packed evaporative condensing heat exchange device and a heat exchange unit, which integrates the evaporative condensing heat exchange tubes and the cooling fillers into one, reduces the occupied space of the unit, greatly reduces the center of gravity of the unit, and effectively improves the economic benefits.

[0004] The technical solution adopted by the present invention is a packing-type evaporative condensing heat exchange device, comprising a packing body and a heat exchange tube, the packing body comprising a first packing unit and a second packing unit arranged at intervals from left to right, the first packing unit is provided with a first recessed portion and a first raised portion formed by bending from top to bottom, the first recessed portion is recessed to the left, and the first raised portion is raised to the right, the second packing unit is provided with a second recessed portion and a second raised portion formed by bending from top to bottom, the second recessed portion is recessed to the right, and the second raised portion is raised to the left, the first recessed portion of the first packing unit is opposite to the second recessed portion of the adjacent second packing unit, and the first raised portion of the first packing unit is opposite to the second raised portion of the adjacent second packing unit; the heat exchange tubes are respectively installed on the right side of the first recessed portion and the left side of the second recessed portion.

[0005] Viewed from the front of the evaporative condensing heat exchange device, coordinate systems are established in the left-right direction and the up-down direction respectively. The filler body includes a first filler unit and a second filler unit arranged at intervals from left to right. The first filler unit is provided with a first recessed portion and a first raised portion formed by bending from top to bottom. The second filler unit is provided with a second recessed portion and a second raised portion formed by bending from top to bottom. The first recessed portion is installed opposite to an adjacent second recessed portion, and the first raised portion is installed opposite to an adjacent second raised portion. Through the structural composition of the packing body, the first packing unit and the second packing unit have the same structure and the same installation method, and the first packing unit can be rotated 180° to form a second packing unit, wherein the first recessed portion in the first packing unit and the second recessed portion in the second packing unit form an installation channel for installing the heat exchange tube, and the heat exchange tube is respectively installed and fixed on the right side of the first recessed portion and the left side of the second recessed portion, so that the heat exchange tube is nested in the packing body. Compared with the traditional evaporative condensing device, the present invention nests the heat exchange tube and the packing body to further reduce the occupied space of the device, and improve the economic benefits of the evaporative condensing project and the device unit; when cooling water is used to exchange heat with the heat exchange tube, the packing body structure arranged around the heat exchange tube can effectively improve the water distribution effect of the heat exchange tube, and realize sufficient condensation and heat exchange between the cooling water and the heat exchange tube, thereby improving the heat exchange efficiency of the heat exchange device.

[0006] Furthermore, the front end of the first recessed portion of the first filling unit is connected to the front end of the second recessed portion of the second filling unit adjacent to the left, and the rear end of the first recessed portion of the first filling unit is connected to the rear end of the second recessed portion of the second filling unit adjacent to the left; the front end of the first raised portion of the first filling unit is connected to the front end of the second raised portion of the second filling unit adjacent to the right, and the rear end of the first raised portion of the second filling unit is connected to the rear end of the second raised portion of the second filling unit adjacent to the right.

[0007] A coordinate system in the front-to-back direction is established from the front side of the evaporative condensing heat exchange device, and the front and rear ends of the first filler unit and the front and rear ends of the second filler unit arranged at intervals are connected to form a filler body, specifically, the front and rear ends of the first recessed portion of the first filler unit are correspondingly connected with the front and rear ends of the second recessed portion of the second filler unit adjacent to the left, and the front and rear ends of the second raised portion of the first filler unit are correspondingly connected with the front and rear ends of the second raised portion of the second filler unit adjacent to the right. The connection method can be achieved by connecting in various ways such as using recessed and raised grooves at the front and rear ends. The connected first filler unit and the second filler unit form a filler body, and an installation channel for installing a heat exchange tube is formed inside the filler body, so that the heat exchange tube is nested in the installation channel of the filler body, effectively utilizing the internal space of the filler body, and further reducing the volume of the evaporative condensing heat exchange device.

[0008] Furthermore, the first packing unit is provided with a first rib groove on the right side of the first recessed portion and the second packing unit is provided with a first rib groove on the left side of the first recessed portion, and the first rib groove is used to install the heat exchange tube; the first packing unit is provided with a second rib groove on the right side of the first raised portion and the second packing unit is provided with a second rib groove on the left side of the second raised portion; the first rib groove and the second rib groove provided in the same first packing unit are integrally formed, and the first rib groove and the second rib groove provided in the same second packing unit are integrally formed.

[0009] In order to ensure that the heat exchange tube is stably fixed on the right side of the first recessed portion recessed to the left in the first filler unit and on the left side of the second recessed portion recessed to the right in the second filler unit, a first rib groove is provided on the right side of the first recessed portion by the first filler unit, and a first rib groove is provided on the left side of the second recessed portion by the second filler unit. The first rib groove can fix the heat exchange tube on the right side of the first recessed portion and on the left side of the second recessed portion, thereby improving the coupling accuracy between the filler body and the heat exchange tube; and the first rib groove can effectively prevent the heat exchange tube from contacting the surfaces of the first recessed portion and the second recessed portion to form thermal resistance, thereby affecting the heat exchange efficiency of the heat exchange tube.

[0010] Furthermore, the first rib grooves and the second rib grooves provided in the same first filler unit are integrally formed and distributed in a honeycomb shape, and the first rib grooves and the second rib grooves provided in the same second filler unit are integrally formed and distributed in a honeycomb shape.

[0011] The first rib groove and the second rib groove on the same first filler unit and the same second filler unit are integrally formed, and the first rib groove and the second rib groove on the same first filler unit and the first rib groove and the second rib groove on the same second filler unit are distributed in a honeycomb shape. The first rib groove and the second rib groove are arranged in a honeycomb shape on the same filler unit. When cooling water cools and exchanges heat on the heat exchange tubes, the honeycomb-shaped distribution of the first rib groove and the second rib groove is beneficial to the redistribution and uniform flow of the cooling water from top to bottom.

[0012] Furthermore, a vertical spacing between the first rib groove and the surface of the first recessed portion and / or a vertical spacing between the first rib groove and the surface of the second recessed portion is 2.5 to 3 mm.

[0013] The upper and lower spacing between the first rib groove in the first filler unit and the surface of the first recessed portion is 2.5 to 3 mm, and the upper and lower spacing between the first rib groove in the second filler unit and the surface of the second recessed portion is 2.5 to 3 mm. When the cooling water cools and exchanges heat with the heat exchange tube, the water flow on the surface of the first recessed portion and the second recessed portion can directly flush the heat exchange tube, ensuring that the heat exchange tube can be fully wrapped by the cooling water to form a water film, thereby ensuring the heat exchange efficiency.

[0014] Furthermore, the first rib groove is provided with a limiting protrusion, and the limiting protrusion is used to prevent the heat exchange tube from falling off.

[0015] The heat exchange tube can be installed into the first rib groove by guiding the limiting protrusion, and after being installed into the first rib groove, the limiting protrusion prevents the heat exchange tube from falling off from the first rib groove, thereby fixing the heat exchange tube on the right side of the first recessed portion and the left side of the second recessed portion.

[0016] Furthermore, the front end and / or rear end of the first packing unit and the front end and / or rear end of the second packing unit are respectively provided with limiting strips, the limiting strips located at the front end and / or rear end of the first packing unit are used to fix the heat exchange tube installed on the right side of the first recessed portion of the first packing unit, and the limiting strips located at the front end and / or rear end of the second packing unit are used to fix the heat exchange tube installed on the left side of the second recessed portion of the second packing unit.

[0017] In order to further fix the heat exchange tubes on the right side of the first recessed portion and the heat exchange tubes on the left side of the second recessed portion, limiting strips are provided at the front end and / or rear end of the first packing unit and the front end and / or rear end of the second packing unit. The limiting strips fix the heat exchange tubes in the first packing unit and the second packing unit from top to bottom, further preventing the heat exchange tubes from falling off the first packing unit and the second packing unit.

[0018] Furthermore, a receiving edge is provided on the upper portion of the filler body, and the receiving edge is distributed in a honeycomb shape.

[0019] The upper part of the filler body is a honeycomb-shaped receiving edge, which is fixedly connected to the first filler unit and the second filler unit. When cooling water cools and exchanges heat on the heat exchange tubes in the filler body from top to bottom, it first passes through the receiving edge on the upper part of the filler body, flows through the honeycomb-shaped receiving edge, and flows downward along the surface of the receiving edge. The water distribution effect is more uniform, and the heat exchange tubes distributed in the filler body exchange heat evenly, which is beneficial to improving the heat exchange efficiency.

[0020] Furthermore, the heat exchange tubes on the right side of the first recessed portion of the same first packing unit are interconnected in an S shape, and the heat exchange tubes on the left side of the second recessed portion of the same second packing unit are interconnected in an S shape.

[0021] Viewed from the side of each first packing unit and the second packing unit, the heat exchange tubes are distributed in an S shape in the installation channels on the right side of the first recessed portion of the first packing unit and on the left side of the second recessed portion of the second packing unit, thereby maximizing the use of the installation space in the packing body.

[0022] Another technical solution adopted by the present invention is a heat exchange unit, including an air cooling system and a spray system, and also including the packing type evaporative condensing heat exchange device, the air cooling system and / or the spray system act on the packing type evaporative condensing heat exchange device.

[0023] The heat exchange unit of the present invention includes three heat exchange systems, namely a heat exchange tube refrigeration cycle system, a cooling water circulation spray system, and an air cooling system for air cooling and heat exchange. Among them, the heat exchange tube can exchange heat through the refrigerant refrigeration cycle, the spray system sprays the heat exchange tube by cooling water to exchange heat with the heat exchange tube, the air cooling system exchanges heat with the heat exchange tube by air, and can also cool the cooling water after heat exchange by cooling air, so that the temperature of the cooling water after absorbing heat is reduced to continue to cool and exchange heat for the heat exchange tube. A heat exchange unit of the present invention adopts multiple heat exchange systems for cooling and heat exchange, effectively and quickly reduces the condensing temperature of the heat exchange tube, and improves the overall performance of the unit.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: compared with the traditional evaporative condensing device, the present invention provides an evaporative condensing heat exchange device and a heat exchange unit. In addition, the nested installation of the heat exchange tube and the filler body further reduces the occupied space of the device, thereby improving the economic benefits of the evaporative condensing project and the device unit; when cooling water is used to exchange heat with the heat exchange tube, the filler body structure arranged around the heat exchange tube can effectively improve the water distribution effect of the heat exchange tube, thereby achieving sufficient condensation heat exchange between the cooling water and the heat exchange tube, thereby improving the heat exchange efficiency of the heat exchange device; the first rib groove can be used to fix the heat exchange tube on the right side of the first recessed portion and the left side of the second recessed portion, thereby improving the coupling accuracy between the filler body and the heat exchange tube, and the first rib groove can effectively prevent the heat exchange tube from contacting the surface of the first recessed portion and the second recessed portion to form thermal resistance, thereby affecting the heat exchange efficiency of the heat exchange tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the entire packing body and heat exchange tubes.

[0026] Figure 2 This is the front view of the entire packing body and heat exchange tubes.

[0027] Figure 3 It is a side view of the entire packing body and heat exchange tubes.

[0028] Figure 4 It is a top view of the entire packing body and heat exchange tubes.

[0029] Figure 5 It is a three-dimensional diagram of the second filling unit.

[0030] Figure 6 This is an enlarged view of a part A of the second packing unit.

[0031] Figure 7 This is the front view of the second packing unit.

[0032] Figure 8 A side view of the second packing unit.

[0033] Fig. 9This is an enlarged view of a part B of a side view of the second packing unit.

[0034] Fig.10 Another side view of the second packing unit.

[0035] Fig.11 This is an enlarged view of a portion C of another side view of the second packing unit.

[0036] Fig.12 This is the structural diagram for the concave and convex groove installation.

[0037] Fig.13 This is the structural diagram of the first rib groove.

[0038] Fig.14 It is a three-dimensional diagram of a heat exchange unit.

[0039] Fig.15 This is a front view of a heat exchanger unit.

[0040] Fig.16 The figure is a side view of a heat exchange unit.

[0041] Fig.17 The figure is a top view of a heat exchange unit.

[0042] Reference numerals:

[0043] 100, filler body; 120, second filler unit; 121, second recessed portion; 122, second raised portion; 130, first rib groove;

[0044] 140, second rib groove; 150, limiting pressure strip; 200, heat exchange tube; 300, receiving edge; 400, air inlet pipe; 500, liquid outlet pipe;

[0045] 600, spray pipe; 610, nozzle; 620, cooling water processor; 630, water pump; 640, water tray; 700, condensing fan;

[0046] 710. Water retaining plate. DETAILED DESCRIPTION

[0047] The drawings of the present invention are only for illustrative purposes and should not be construed as limiting the present invention. In order to better illustrate the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it is understandable to those skilled in the art that some well-known structures and their descriptions in the drawings may be omitted.

[0048] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "left", "right", "upper", "lower", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0049] The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items. The "first" and "second" described in the present invention do not represent specific quantities and sequences, but are merely used to distinguish names.

[0050] Example

[0051] The heat exchange unit includes an evaporative condenser and a cooling and heat-dissipating filler body, and also includes a spray system and an air-cooling system that act with the evaporative condenser to perform cooling and heat exchange. In this embodiment, the filler-type evaporative condensing heat exchange device mainly includes heat exchange tubes for evaporative condensation and a cooling and heat-dissipating filler body. The heat exchange unit includes the entire heat exchange system in which the filler-type evaporative condensing heat exchange device, the spray system and the air-cooling system interact with each other.

[0052] According to the structure of the packing type evaporative condensing heat exchange device, coordinate systems in the left-right direction, the up-down direction, and the front-back direction are established respectively, so as to better explain the structure of the packing body 100 and the heat exchange tube 200 in the packing type evaporative condensing heat exchange device. Figure 1 , Figure 2 , Figure 3 and Figure 4 1 and 2 are respectively a three-dimensional view, a front view, a side view and a top view of a packing body 100 and a heat exchange tube 200 in a packing type evaporative condensing heat exchange device. The heat exchange tube 200 is nested inside the packing body 100. Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 1 is a perspective view, a front view and a side view of a second packing unit 120. The first packing unit and the second packing unit have the same structure and the same installation method. The second packing unit can be obtained by rotating the first packing unit 180 degrees. The first packing unit and the second packing unit can be specifically packing sheets. In this embodiment, the second packing unit 120 is used as an exemplary description of the specific structure of the packing unit.

[0053] First, the structure of the filler body 100 is specifically as follows:

[0054] A packing type evaporative condensing heat exchange device, comprising a packing body 100 and a heat exchange tube 200, wherein the packing body 100 comprises a first packing unit and a second packing unit 120 arranged alternately from left to right, wherein the first packing unit is provided with a first concave portion and a first convex portion bent from top to bottom, wherein the first concave portion is concave to the left, and the first convex portion is convex to the right;

[0055] The second filler unit 120 is provided with a second concave portion 121 and a second convex portion 122 bent from top to bottom, wherein the second concave portion 121 is concave to the right, and the second convex portion 122 is convex to the left;

[0056] The first recessed portion of the first packing unit is opposite to the second recessed portion 121 of the adjacent second packing unit 120, and the first raised portion of the first packing unit is opposite to the second raised portion 122 of the adjacent second packing unit 120; the heat exchange tubes are respectively installed on the right side of the first recessed portion and on the left side of the second recessed portion 121;

[0057] Preferably, the front end of the first recessed portion of the first filler unit is connected to the front end of the second recessed portion 121 of the second filler unit 120 adjacent to the left, and the rear end of the first recessed portion of the first filler unit is connected to the rear end of the second recessed portion 122 of the second filler unit 120 adjacent to the left;

[0058] The front end of the first protrusion of the first filler unit is connected to the front end of the second protrusion 122 of the second filler unit 120 adjacent to the right, and the rear end of the first protrusion of the first filler unit is connected to the rear end of the second protrusion 122 of the second filler unit 120 adjacent to the right.

[0059] In this embodiment, the first filler unit and the second filler unit are connected by a concave-convex groove structure at the end, such as Fig.12 The figure shows the installation structure diagram of the concave and convex grooves, in which the front end of the first recessed portion of the first filling unit is provided with a convex groove, and the rear end is provided with a groove, the front end of the first raised portion is provided with a groove, and the rear end is provided with a convex groove; the front end of the second recessed portion of the second filling unit is provided with a groove, and the rear end is provided with a convex groove, the front end of the second raised portion is provided with a convex groove, and the rear end is provided with a groove.

[0060] The front and rear ends of multiple first filling units and multiple second filling units are connected and fixed by a concave-convex groove snap connection method to form the entire filling body 100, specifically: the convex groove at the front end of the first recessed part of the first filling unit is connected to the groove at the front end of the second recessed part of the second adjacent filling unit on the left, and the groove at the rear end of the first recessed part of the first filling unit is connected to the convex groove at the rear end of the second recessed part of the second adjacent filling unit on the left; the groove at the front end of the first raised part of the first filling unit is connected to the convex groove at the front end of the second raised part of the second adjacent filling unit on the right, and the convex groove at the rear end of the first raised part of the first filling unit is connected to the groove at the rear end of the second raised part of the second adjacent filling unit on the right.

[0061] Second, the structure and installation position of the heat exchange tube 200 are specifically as follows:

[0062] like Figure 5 and Figure 6 As shown in the figure, the structure of the heat exchange tube 200 and the installation position in the packing body 100 can be seen. The heat exchange tube 200 includes a straight tube section and a curved tube section. The heat exchange tube 200 is respectively installed on the right side of the first recessed portion and the left side of the second recessed portion 121, that is, a plurality of straight tube sections are respectively installed on the right side of the first recessed portion and the left side of the second recessed portion 121, and the curved tube section is used to connect the plurality of straight tube sections. Therefore, the heat exchange tubes 200 on the right side of the first recessed portion of the same first packing unit are interconnected in an S shape, and the heat exchange tubes 200 on the left side of the second recessed portion 121 of the same second packing unit 120 are interconnected in an S shape.

[0063] This embodiment makes full use of the internal space structure formed by the packing body 100, and nests the heat exchange tube 200 and the packing body 100 to maximize the use of the internal space of the packing body 100, further reduce the space occupied by the device, and improve the economic benefits of the evaporation and condensation project and the device unit; and when cooling water is used to exchange heat with the heat exchange tube, the packing body structure arranged around the heat exchange tube can effectively improve the water distribution effect of the heat exchange tube, realize the full condensation heat exchange between the cooling water and the heat exchange tube, and then improve the heat exchange efficiency of the heat exchange device.

[0064] Third, the structure and distribution position of the first rib groove 130 and the second rib groove 140 are specifically as follows: Figure 5 As shown in FIG. 1 , the distribution position and structure of the first rib groove 130 and the second rib groove 140 can be seen. Fig.13 The figure shows an enlarged view of the structure of the first rib groove 130.

[0065] The structure and distribution position of the first rib groove 130 are as follows:

[0066] The first filler unit 120 is provided with a first rib groove 130 on the right side of the first recessed portion and the second filler unit 120 is provided with a first rib groove 130 on the left side of the second recessed portion 121, and the first rib groove 130 is used to install the heat exchange tube 200; in this embodiment, the heat exchange tube 200 can be fixed on the right side of the first recessed portion and the left side of the second recessed portion 121 by setting the first rib groove 130, thereby improving the coupling accuracy between the filler body 100 and the heat exchange tube 200; and the first rib groove 130 can effectively prevent the heat exchange tube 200 from contacting the surfaces of the first recessed portion and the second recessed portion 121 to form thermal resistance, thereby affecting the heat exchange efficiency of the heat exchange tube 200.

[0067] The upper and lower spacing between the first rib groove 130 and the surface of the first recessed part and / or the upper and lower spacing between the first rib groove 130 and the surface of the second recessed part 121 is 2.5 to 3 mm. Specifically, the upper and lower spacing between the first rib groove 130 and the surface of the first recessed part in the first packing unit is 2.5 to 3 mm, and the upper and lower spacing between the first rib groove 130 and the surface of the second recessed part 121 in the second packing unit 120 is 2.5 to 3 mm. When the cooling water cools and exchanges heat with the heat exchange tube, the water flow on the surface of the first recessed part and the second recessed part 121 can be directly flushed onto the heat exchange tube 200, ensuring that the heat exchange tube 200 can be fully wrapped by the cooling water into a water film, thereby ensuring the heat exchange efficiency.

[0068] The first rib groove 130 is provided with a limiting protrusion, and the limiting protrusion is used to prevent the heat exchange tube 200 from falling off. Specifically, the limiting protrusion may be provided with a guide surface, and the heat exchange tube 200 can be easily installed in the first rib groove 130 through the guide surface of the limiting protrusion, and after being installed in the first rib groove 130, the limiting protrusion prevents the heat exchange tube 200 from falling off from the first rib groove 130.

[0069] The structure and distribution position of the second rib groove 140 are as follows:

[0070] The first filler unit 120 is provided with a second rib groove 140 on the right side of the first protrusion, and the second filler unit 120 is provided with a second rib groove 140 on the right side of the second protrusion 122; the first rib groove 130 and the second rib groove 140 provided in the same first filler unit are integrally formed, and the first rib groove 130 and the second rib groove 140 provided in the same second filler unit 122 are integrally formed.

[0071] Specifically, the first rib grooves 130 and the second rib grooves 140 provided in the same first filler unit are integrally formed and distributed in a honeycomb shape, and the first rib grooves 130 and the second rib grooves 140 provided in the same second filler unit 120 are integrally formed and distributed in a honeycomb shape.

[0072] Therefore, in this embodiment, the first rib groove 130 and the second rib groove 140 on the same first filler unit and the same second filler unit 120 are integrally formed, and the first rib groove 130 and the second rib groove 140 on the same first filler unit and the first rib groove 130 and the second rib groove 140 on the same second filler unit 120 are both distributed in a honeycomb shape. The first rib groove 130 and the second rib groove 140 are arranged in a honeycomb shape on the same filler unit. When the cooling water cools and exchanges heat with the heat exchange tube 200, the honeycomb-shaped distribution of the first rib groove 130 and the second rib groove 140 is beneficial to the redistribution and uniform flow of the cooling water from top to bottom.

[0073] Fourth, a limiting pressure strip 150 is also provided inside the filler body 100, such as Figure 5 and Figure 6 It can be seen from the figure that the structure of the limiting pressure strip is specifically as follows:

[0074] The front end and / or rear end of the first packing unit and the front end and / or rear end of the second packing unit 120 are respectively provided with a limiting pressure strip 150. The limiting pressure strip 150 located at the front end and / or rear end of the first packing unit is used to fix the heat exchange tube 200 installed on the right side of the first recessed portion of the first packing unit, and the limiting pressure strip 150 located at the front end and / or rear end of the second packing unit 120 is used to fix the heat exchange tube 200 installed on the left side of the second recessed portion 121 of the second packing unit 120.

[0075] Since the heat exchange tube 200 installed on the right side of the first first recessed portion of the first packing unit, that is, the heat exchange tube 200 at the top of the first packing unit 110, and the heat exchange tube 200 installed on the right side of the last first recessed portion, that is, the heat exchange tube 200 at the bottom of the first packing unit; the heat exchange tube 200 installed on the left side of the first second recessed portion 121 of the second packing unit 120, that is, the heat exchange tube 200 at the top of the second packing unit 120, and the heat exchange tube 200 installed on the left side of the last second recessed portion 121, that is, the heat exchange tube 200 at the bottom of the second packing unit 120, the heat exchange tubes at these positions cannot be fixed and installed by the first rib groove 130, the limiting strip 150 is used to limit and fix them to prevent the heat exchange tubes 200 at the top and bottom of the packing unit from loosening and falling off, and can also further fix all the heat exchange tubes 200 on the right side of the first recessed portion and all the heat exchange tubes 200 on the left side of the second recessed portion 121.

[0076] Fourthly, a receiving edge 300 is further provided on the upper portion of the filler body 100 , and the receiving edge 300 is distributed in a honeycomb shape.

[0077] The upper part of the packing body 100 is a honeycomb-shaped receiving edge 300. When the cooling water cools the heat exchange tubes in the packing body from top to bottom, it first passes through the receiving edge 300 on the upper part of the packing body 100, flows through the honeycomb-shaped receiving edge 300, and flows downward along the surface of the receiving edge 300. The water distribution effect is more uniform, and the heat exchange of the heat exchange tubes distributed in the packing body 100 is uniform, which is beneficial to improving the heat exchange efficiency.

[0078] This embodiment also provides another preferred implementation, a heat exchange unit, including an air cooling system and a spray system, and also includes the packing type evaporative condensing heat exchange device, the air cooling system and / or the spray system act on the packing type evaporative condensing heat exchange device.

[0079] According to the structural description of the above-mentioned packing type evaporative condensing heat exchange device, since there are multiple heat exchange tubes 200 in the packing body, the same air inlet pipe 400 and liquid outlet pipe 500 are used to respectively connect the inlet end and the outlet end of the heat exchange tube 200 of each packing unit.

[0080] It is understandable that the compressor, throttling expansion valve, evaporator, etc. are well-known structures of the heat exchanger unit known to those skilled in the art, and it is understandable that they are omitted by default in this embodiment. In addition, the heat exchanger unit and the compressor can be in an up-and-down structure or a left-and-right structure. The heat exchanger unit is generally installed above the compressor; or the heat exchanger unit and the compressor are arranged in a left-and-right structure.

[0081] like Fig.14 , Fig.15 , Fig.16 , Fig.17 The figure shows a three-dimensional view, a front view, a side view and a top view of a heat exchanger unit. The structure and principle of each part of the heat exchanger unit are explained according to the figure:

[0082] First of all, the structure of the spray system is as follows:

[0083] The spray system includes a spray pipe 600, a nozzle 610, a cooling water processor 620, a water pump 630, and a water receiving tray 640. The spray pipe 600 and multiple nozzles 610 are installed above the filler body 100. The nozzles 610 are respectively installed under the tube body of the spray pipe 600 to spray and cool the filler body 100 and the heat exchange tube 200 below with cooling water; the water receiving tray 640 is arranged below the filler body 100 to receive and recover the cooling water flowing through the filler body 100 and the heat exchange tube 200; the cooling water processor 620 and the water pump 630 are arranged outside the shell and are respectively connected to the water receiving tray 640 and the spray pipe 600, so as to circulate the cooling water of the water receiving tray 640 and then return it to the spray pipe for spray cooling.

[0084] Secondly, the structure of the air cooling system is as follows:

[0085] The air cooling system includes a condensing fan 700, a water baffle 710 and an air inlet. The condensing fan 700 is installed on the top of the shell, and the water baffle 710 is installed below the condensing fan 700 and above the spray pipe 600; the air inlet is installed on the side and bottom of the heat exchanger unit. The air entering the heat exchanger unit from the side and bottom air inlets is cooled and heat exchanged with the heat exchange tubes at the filler body, and then discharged out of the shell by the condensing fan 700 on the top. The water baffle can effectively block water vapor in the air.

[0086] Finally, according to the packing type evaporative condensing heat exchange device, the air cooling system and the spraying system, this embodiment can realize one or more cycle refrigeration modes, which are one or more combinations of refrigerant refrigeration cycle mode, cooling water refrigeration cycle mode and air cooling cycle mode. The specific heat exchange principle is:

[0087] The refrigerant discharged from the compressor exhaust enters the heat exchange tube 200 through the air inlet pipe 400 for heat exchange and heat release to condense into liquid, and is discharged through the liquid outlet pipe 500. After being throttled by the expansion valve of the throttling device, it enters the evaporator to evaporate and generate low-pressure gas, and then returns to the compressor to form a refrigeration cycle.

[0088] The cooling water of the spray pipe 600 is sprayed to the honeycomb-shaped receiving edge 300 through the nozzle 610, and flows into the gap of the packing body 100 after being evenly distributed, and flows downward along the surface of the packing sheet in the packing body, and absorbs heat and exchanges heat with the heat exchange tube 200, and at the same time, convectively releases heat and exchanges heat with the flowing cooling air. When the cooling water repeatedly absorbs heat and releases heat in the packing type evaporative condensing heat exchange device until it flows to the bottom of the packing type evaporative condensing heat exchange device, it falls into the water receiving tray 640, and then is processed by the water pump 630 and the cooling water processor 620 and sent to the spray pipe 600 to form a cooling water refrigeration cycle;

[0089] The cooling air in the air, under the traction of the condensing fan 700, enters the gap of the packing body of the packing evaporative condensing heat exchange device through the air inlets at the bottom and both end faces of the packing evaporative condensing heat exchange device, and performs heat absorption and heat exchange with the cooling water in countercurrent convection, and then passes upward through the water baffle 710 into the volute of the condensing motor fan and is discharged into the air, forming a condensing air cycle. Among them, the air inlets are designed to prevent the cooling water from flowing out or splashing onto the outside of the packing body, and the oblique inlet slots are facing inward and downward.

[0090] In this embodiment, the packing type evaporative condensing device and the cooling water are in counter-convection mode. Since the packing type evaporative condensing device and the cooling water absorb heat and release heat at the same time, the spray water absorbs heat at the heat exchange tube 200, and exchanges heat and releases heat with the air on the surface of the packing body 100. When it flows to the lower heat exchange tube, the cooling water has cooled down. The cooling water can always exchange heat with the evaporative condensation as low-temperature water, effectively reducing the condensing temperature of the heat exchanger and improving the overall performance of the unit.

[0091] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the technical solution of the present invention, and are not intended to limit the specific implementation methods of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the claims of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A packing type evaporative condensing heat exchange device, characterized in that: The heat exchange tube comprises a packing body and a heat exchange tube, wherein the packing body comprises a first packing unit and a second packing unit arranged at intervals from left to right, wherein the first packing unit is provided with a first concave portion and a first convex portion formed by bending from top to bottom, wherein the first concave portion is concave to the left, and the first convex portion is convex to the right, and the second packing unit is provided with a second concave portion and a second convex portion formed by bending from top to bottom, wherein the second concave portion is concave to the right, and the second convex portion is convex to the left, and the first concave portion of the first packing unit is opposite to the second concave portion of the adjacent second packing unit, and the first convex portion of the first packing unit is opposite to the second convex portion of the adjacent second packing unit; and the heat exchange tubes are respectively installed on the right side of the first concave portion and the left side of the second concave portion; The front end of the first recessed portion of the first filling unit is connected to the front end of the second recessed portion of the second filling unit adjacent to the left, and the rear end of the first recessed portion of the first filling unit is connected to the rear end of the second recessed portion of the second filling unit adjacent to the left; the front end of the first raised portion of the first filling unit is connected to the front end of the second raised portion of the second filling unit adjacent to the right, and the rear end of the first raised portion of the first filling unit is connected to the rear end of the second raised portion of the second filling unit adjacent to the right.

2. A packing type evaporative condensing heat exchange device according to claim 1, characterized in that: The first packing unit is further provided with a first rib groove on the right side of the first recessed portion and the second packing unit is further provided with a first rib groove on the left side of the second recessed portion, and the first rib groove is used to install the heat exchange tube; the first packing unit is further provided with a second rib groove on the right side of the first raised portion and the second packing unit is further provided with a second rib groove on the left side of the second raised portion; the first rib groove and the second rib groove provided in the same first packing unit are integrally formed, and the first rib groove and the second rib groove provided in the same second packing unit are integrally formed.

3. A packing type evaporative condensing heat exchange device according to claim 2, characterized in that: The first rib grooves and the second rib grooves provided in the same first filler unit are integrally formed and distributed in a honeycomb shape, and the first rib grooves and the second rib grooves provided in the same second filler unit are integrally formed and distributed in a honeycomb shape.

4. A packing type evaporative condensing heat exchange device according to claim 2, characterized in that: The upper and lower spacing between the first rib groove and the surface of the first recessed portion and / or the upper and lower spacing between the first rib groove and the surface of the second recessed portion is 2.5-3 mm.

5. A packing type evaporative condensing heat exchange device according to claim 2, characterized in that: The first rib groove is provided with a limiting protrusion, and the limiting protrusion is used to prevent the heat exchange tube from falling off.

6. A packing type evaporative condensing heat exchange device according to claim 1, characterized in that: The front end and / or rear end of the first packing unit and the front end and / or rear end of the second packing unit are respectively provided with limiting strips. The limiting strips located at the front end and / or rear end of the first packing unit are used to fix the heat exchange tube installed on the right side of the first recessed portion of the first packing unit, and the limiting strips located at the front end and / or rear end of the second packing unit are used to fix the heat exchange tube installed on the left side of the second recessed portion of the second packing unit.

7. A packing type evaporative condensing heat exchange device according to claim 1, characterized in that: The upper part of the filler body is also provided with a receiving edge, and the receiving edge is distributed in a honeycomb shape.

8. The packing type evaporative condensing heat exchange device according to claim 1, characterized in that: The heat exchange tubes on the right side of the first recessed portion of the same first packing unit are interconnected in an S shape, and the heat exchange tubes on the left side of the second recessed portion of the same second packing unit are interconnected in an S shape.

9. A heat exchange unit, comprising an air cooling system and / or a spray system, characterized in that: It also includes the packing type evaporative condensing heat exchange device as described in any one of claims 1 to 8, and the air cooling system and / or the spraying system act on the packing type evaporative condensing heat exchange device.

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