Compact plate heat exchanger

Abstract

The utility model discloses a compact plate heat exchanger, which relates to the technical field of heat exchangers and comprises a fixed frame, a heat exchange plate module is slidably arranged in the fixed frame, a movable pressing plate mechanism is movably arranged on one side of the heat exchange plate module, and a side fixed end plate is inserted into one side of the fixed frame. The plate heat exchanger solves the problems that a front end plate and a rear end plate of an existing plate heat exchanger are pressed and fixed through threaded rods and nuts, mounting and dismounting are extremely inconvenient, and labor intensity is large, rubber heads and clamping round rods are arranged in the side fixing end plates in a matched mode, the rubber heads can be inserted into the fixed clamping round rods, and the plate heat exchanger is fixed through the clamping round rods. The two sides of the heat exchange plate module can be extruded, the side fixing end plate can press one side of the movable pressing plate mechanism, the square plate frame in the side fixing end plate and the fixing frame are arranged in a guiding and attaching mode, the side fixing end plate is positioned and fixed, and extrusion and fixing of the heat exchanger are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a compact plate heat exchanger. Background Art

[0002] Plate heat exchanger is a kind of high-efficiency heat exchanger composed of a series of stacked metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat exchange is carried out through the plates. Plate heat exchanger is an ideal equipment for heat exchange between liquid and liquid, liquid and steam. It has the characteristics of high heat exchange efficiency, small heat loss, wide application and long service life, and is widely used.

[0003] The high-performance detachable plate heat exchanger with publication number CN218627884U includes a clamping plate, a side clamping rod, a support rod, a limit stopper and a heat exchange plate. The clamping plate is provided with two blocks and the two clamping plates have the same structure. This structure is reasonably designed and easy to use, and can make the side clamping rod installation more stable and firm. At the same time, the side edges provided on the support rod can also make the heat exchange plate installation more stable. However, the front and rear end plates of this plate heat exchanger are compressed and fixed by threaded rods and nuts, which is extremely inconvenient to install and disassemble, and the labor intensity is high.

[0004] In view of the above problems, a compact plate heat exchanger is proposed. Utility Model Content

[0005] The utility model aims to provide a compact plate heat exchanger, which solves the problem that the front and rear end plates of the existing plate heat exchanger in the background technology are compressed and fixed by threaded rods and nuts, which is extremely inconvenient and labor-intensive to install and disassemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compact plate heat exchanger, comprising a fixed frame, a heat exchange plate module is slidably arranged inside the fixed frame, a movable clamping plate mechanism is movably arranged on one side of the heat exchange plate module, a side fixed end plate is inserted into one side of the fixed frame, and a plurality of groups of heat exchange plate modules are arranged side by side, the heat exchange plate module comprises a heat exchange built-in plate and a heat exchange plate fixedly arranged on one side of the heat exchange built-in plate, the fixed frame comprises a fixed clamping plate, a clamping round rod movably arranged on the fixed clamping plate and the side ends of the heat exchange built-in plate, the clamping round rod is provided with five groups mirror-symmetrical about the fixed clamping plate, the clamping round rod is used to laterally squeeze and fix the fixed frame and the plurality of groups of heat exchange plate modules, the movable clamping plate mechanism comprises a movable clamping plate arranged to squeeze the heat exchange plate module, the side fixed end plate comprises a square plate frame arranged on one side of the inserted clamping round rod, and a rubber head is arranged on the square plate frame corresponding to the clamping round rod.

[0007] Preferably, the fixed frame also includes a lower guide rod fixedly arranged at the lower end of the fixed pressing plate, an upper guide rod fixedly arranged at the upper end of the fixed pressing plate, and a rear column connecting the lower guide rod and the upper guide rod.

[0008] Preferably, an interface is provided on one side of the fixed pressing plate, and a frame foot is provided on the lower end of the fixed pressing plate.

[0009] Preferably, the clamping round rod includes an insertion rod inserted into the fixed pressing plate and the movable pressing plate, and one end of the insertion rod is provided with a hexagonal fixing end.

[0010] Preferably, the heat exchange built-in plate is provided with heat exchange ports in parallel, both ends of the heat exchange ports are provided with side openings, and both ends of the heat exchange plate are provided with card slots.

[0011] Preferably, the movable pressing plate mechanism further comprises a guide wheel fixedly arranged on the upper end of the movable pressing plate, and a guide groove is formed at the lower end of the movable pressing plate.

[0012] Preferably, an upper guide rod snap-in is provided at the upper end of the square plate frame, a lower guide rod snap-in is provided at the lower end of the square plate frame, the upper guide rod is inserted into the upper guide rod snap-in, and the lower guide rod is inserted into the lower guide rod snap-in.

[0013] Preferably, the square plate frame is provided with a rubber groove corresponding to the clamping round rod, and the rubber head is fixedly arranged in the rubber groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a compact plate heat exchanger, which is equipped with multiple groups of rubber heads and clamping rods in the side fixed end plates, so that the rubber heads can be inserted into the fixed clamping rods, thereby increasing the friction force for one end of the clamping rods and facilitating the extrusion of the movable pressure plate. The clamping rods in this design can be plugged in and out separately. Under the connection of the rubber grooves, the five groups of mirror-symmetrical clamping rods can realize the extrusion of both sides of the heat exchange plate module and the compression of one side of the movable clamping plate mechanism by the side fixed end plates. The front and rear end plates of the plate heat exchanger are convenient to install and disassemble, and the compactness is high, which solves the problem that the front and rear end plates of the existing plate heat exchanger are compressed and fixed by threaded rods and nuts, which has high labor intensity.

[0016] 2. The utility model provides a compact plate heat exchanger, which positions and fixes the side fixed end plate through the guiding and fitting arrangement of the square plate frame inside the side fixed end plate and the fixed frame, thereby realizing the extrusion fixation of the heat exchanger. Several groups of heat exchange plate modules are fixed in the form of overlapping heat exchange built-in plates and heat exchange plates. The existence of the heat exchange built-in plates improves its heat exchange efficiency and facilitates heat exchange. The side-by-side arrangement of the heat exchange plates, the fixed pressing plates and the movable pressing plates facilitates the clamping of the round rods for side extrusion fixation. The square plate frame connects all rubber heads, thereby solving the problem of the inconvenience of installing and disassembling the existing plate heat exchangers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 The overall split structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 4 The overall split structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 5 It is a structural schematic diagram of the side-mounted fixed end plate of the movable pressing plate mechanism HR of the utility model.

[0022] In the figure: 1. fixed frame; 11. fixed pressing plate; 111. interface; 112. frame foot; 12. lower guide rod; 13. rear column; 14. upper guide rod; 15. clamping round rod; 151. hexagonal fixed end; 152. plug rod; 2. heat exchange plate module; 21. heat exchange built-in plate; 211. heat exchange port; 212. side opening; 22. heat exchange plate; 221. slot; 3. movable pressing plate mechanism; 31. movable pressing plate; 32. guide wheel; 33. guide slot; 4. side fixed end plate; 41. square plate frame; 42. upper guide rod bayonet; 43. lower guide rod bayonet; 44. rubber slot; 45. rubber head. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1 The utility model discloses a compact plate heat exchanger, comprising a fixed frame 1, a heat exchange plate module 2 is slidably arranged inside the fixed frame 1, a movable pressing plate mechanism 3 is movably arranged on one side of the heat exchange plate module 2, a side fixed end plate 4 is inserted and arranged on one side of the fixed frame 1, a plurality of groups of heat exchange plate modules 2 are arranged side by side, the heat exchange plate module 2 comprises a heat exchange built-in plate 21 and a heat exchange plate 22 fixedly arranged on one side of the heat exchange built-in plate 21, the fixed frame 1 comprises a fixed pressing plate 11, a movable pressing plate mechanism 3 is movably arranged on one side of the heat exchange plate module 2, The clamping rods 15 are provided at the side ends of the fixed clamping plate 11 and the heat exchange built-in plate 21, and five groups of the clamping rods 15 are arranged in a mirror-symmetrical manner with respect to the fixed clamping plate 11. The clamping rods 15 are used for laterally extruding and fixing the fixed frame 1 and several groups of heat exchange plate modules 2. The movable clamping plate mechanism 3 includes a movable pressing plate 31 arranged to squeeze the heat exchange plate modules 2. The side fixed end plate 4 includes a square plate frame 41 arranged to be inserted into one side of the clamping rod 15, and a rubber head 45 is arranged on the square plate frame 41 corresponding to the clamping rod 15.

[0026] Specifically, several groups of heat exchange plate modules 2 are fixed in the form of overlapping heat exchange built-in plates 21 and heat exchange plates 22. The existence of the heat exchange built-in plates 21 improves its heat exchange efficiency and facilitates heat exchange. The side-by-side arrangement of the heat exchange plates 22, the fixed pressing plates 11 and the movable pressing plates 31 is convenient for the clamping rods 15 to laterally squeeze and fix them. The square plate frame 41 connects all rubber heads 45, and the rubber heads 45 are inserted into the fixed clamping rods 15 to increase the friction force for one end of the clamping rods 15, which is convenient for squeezing the movable pressing plates 31. The clamping rods 15 in this design can be plugged in and out separately. The five groups of mirror-symmetrical clamping rods 15 can be connected to the rubber grooves 44 to realize the squeezing of both sides of the heat exchange plate modules 2 and the squeezing of one side of the movable pressing plate mechanism 3 by the side fixed end plates 4. The front and rear end plates of this plate heat exchanger are convenient to install and disassemble, and have a high degree of compactness.

[0027] The utility model is further described below in conjunction with embodiments.

[0028] Embodiment 1:

[0029] Combination Figure 2-Figure 5The fixed frame 1 also includes a lower guide rod 12 fixedly arranged at the lower end of the fixed pressing plate 11, an upper guide rod 14 fixedly arranged at the upper end of the fixed pressing plate 11, and a rear column 13 connected to the lower guide rod 12 and the upper guide rod 14. The fixed pressing plate 11, the lower guide rod 12, the rear column 13 and the upper guide rod 14 constitute the overall frame of the heat exchanger. The lower guide rod 12 and the upper guide rod 14 provide positioning guides for the heat exchange plate module 2, which is convenient for adding the heat exchange plate module 2. The upper guide rod 14 provides a sliding track for the movable pressing plate mechanism 3.

[0030] An interface 111 is provided on one side of the fixed pressing plate 11 , and a frame foot 112 is provided at the lower end of the fixed pressing plate 11 . The interface 111 realizes the input and output of the heat exchange fluid, and the frame foot 112 realizes the fixation of the fixed pressing plate 11 .

[0031] The clamping round rod 15 includes an insertion rod 152 inserted into the fixed pressing plate 11 and the movable pressing plate 31. A hexagonal fixing end 151 is provided at one end of the insertion rod 152. The hexagonal fixing end 151 realizes the thickening of the side end of the insertion rod 152 to prevent the hexagonal fixing end 151 from passing through the side port of the fixed pressing plate 11, and cooperates with the rubber head 45 to realize the compact fixation of this device.

[0032] Heat exchange ports 211 are arranged in parallel on the heat exchange built-in plate 21, side openings 212 are arranged at both ends of the heat exchange ports 211, and slots 221 are arranged at both ends of the heat exchange plates 22. The heat exchange ports 211 and the side openings 212 increase the ventilation area of ​​the heat exchanger, and the slots 221 cooperate with the clamping round rods 15 to realize the correction of the heat exchange plates 22, so that the heat exchange plates 22 can be fixed synchronously and side by side.

[0033] Embodiment 2:

[0034] Combination Figure 4 and Figure 5 The movable pressing plate mechanism 3 also includes a guide wheel 32 fixedly arranged at the upper end of the movable pressing plate 31, and a guide groove 33 is opened at the lower end of the movable pressing plate 31. The guide wheel 32 can move laterally along the upper guide rod 14 to flexibly squeeze the heat exchange plate module 2. The guide groove 33 is engaged with the lower guide rod 12 to realize the movement and positioning of the movable pressing plate mechanism 3.

[0035] An upper guide rod snap-in 42 is provided at the upper end of the square plate frame 41, and a lower guide rod snap-in 43 is provided at the lower end of the square plate frame 41. The upper guide rod 14 is inserted into the upper guide rod snap-in 42, and the lower guide rod 12 is inserted into the lower guide rod snap-in 43. The upper guide rod snap-in 42 and the lower guide rod snap-in 43 limit and fix the side fixed end plate 4 from the upper and lower ends, so that the side fixed end plate 4 can fit and fix the clamping round rod 15.

[0036] The square plate frame 41 is provided with a rubber groove 44 corresponding to the clamping round rod 15 , and a rubber head 45 is fixedly disposed in the rubber groove 44 . The rubber groove 44 fixes the rubber head 45 , and the rubber head 45 increases the penetrating friction force of the clamping round rod 15 .

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compact plate heat exchanger, comprising a fixed frame (1), characterized in that: A heat exchange plate module (2) is slidably arranged inside the fixed frame (1), a movable clamping plate mechanism (3) is movably arranged on one side of the heat exchange plate module (2), and a side fixed end plate (4) is inserted into one side of the fixed frame (1); The heat exchange plate modules (2) are arranged in a plurality of groups side by side. The heat exchange plate modules (2) include a heat exchange built-in plate (21) and a heat exchange plate (22) fixedly arranged on one side of the heat exchange built-in plate (21). The fixed frame (1) includes a fixed clamping plate (11), and clamping round rods (15) movably arranged at the side ends of the fixed clamping plate (11) and the heat exchange built-in plate (21). The clamping round rods (15) are arranged in five groups that are mirror-symmetrical with respect to the fixed clamping plate (11). The clamping round rods (15) are used to laterally squeeze and fix the fixed frame (1) and the plurality of groups of heat exchange plate modules (2). The movable clamping plate mechanism (3) includes a movable pressing plate (31) arranged to squeeze the heat exchange plate modules (2). The side fixed end plate (4) includes a square plate frame (41) arranged on one side of the clamping round rod (15). A rubber head (45) is arranged on the square plate frame (41) corresponding to the clamping round rod (15).

2. A compact plate heat exchanger according to claim 1, characterized in that: The fixed frame (1) also includes a lower guide rod (12) fixedly arranged at the lower end of the fixed pressing plate (11), an upper guide rod (14) fixedly arranged at the upper end of the fixed pressing plate (11), and a rear column (13) connected to the lower guide rod (12) and the upper guide rod (14).

3. A compact plate heat exchanger according to claim 1, characterized in that: An interface (111) is provided on one side of the fixed pressing plate (11), and a frame foot (112) is provided at the lower end of the fixed pressing plate (11).

4. A compact plate heat exchanger according to claim 1, characterized in that: The clamping round rod (15) comprises an insertion rod (152) inserted into the fixed clamping plate (11) and the movable clamping plate (31), and one end of the insertion rod (152) is provided with a hexagonal fixed end (151).

5. The compact plate heat exchanger according to claim 1, characterized in that: The heat exchange built-in plate (21) is provided with heat exchange ports (211) in parallel, two ends of the heat exchange ports (211) are provided with side openings (212), and two ends of the heat exchange plate (22) are provided with card slots (221).

6. A compact plate heat exchanger according to claim 1, characterized in that: The movable pressing plate mechanism (3) further comprises a guide wheel (32) fixedly arranged on the upper end of the movable pressing plate (31); a guide groove (33) is formed at the lower end of the movable pressing plate (31).

7. A compact plate heat exchanger according to claim 2, characterized in that: An upper guide rod snap-in (42) is provided at the upper end of the square plate frame (41), and a lower guide rod snap-in (43) is provided at the lower end of the square plate frame (41); the upper guide rod (14) is inserted into the upper guide rod snap-in (42), and the lower guide rod (12) is inserted into the lower guide rod snap-in (43).

8. The compact plate heat exchanger according to claim 1, characterized in that: The square plate frame (41) is provided with a rubber groove (44) corresponding to the clamping round rod (15), and the rubber head (45) is fixedly arranged in the rubber groove (44).

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