Detachable plate heat exchanger

Abstract

The detachable plate heat exchanger comprises a fixed clamping plate, a movable clamping plate, a supporting plate and heat exchange pieces, an upper guide rod and a lower guide rod are installed between the fixed clamping plate and the supporting plate, a connecting groove is formed in the top of the movable clamping plate, one end of the upper guide rod penetrates through the connecting groove, a penetrating groove is formed in the bottom of the side face of the movable clamping plate, and the lower guide rod penetrates through the penetrating groove. One end of the lower guide rod penetrates through the penetrating groove, the heat exchange piece is installed between the movable clamping plate and the fixed clamping plate, a screw rod is installed between the movable clamping plate and the supporting plate, one end of the screw rod is rotationally arranged on the movable clamping plate, and the other end of the screw rod is in threaded fit with the supporting plate. And a pressing assembly used for ensuring sealing of the heat exchange pieces is further arranged between a fixed clamping plate and a movable pressing plate, the movable end plate is manually pushed and pressed, it cannot be ensured that the pressing operation on the heat exchange pieces is time-consuming and labor-consuming, the installation tightness cannot be ensured, and due to the lack of positioning installation on the heat exchange pieces, operation is inconvenient during subsequent replacement.

Description

Technical Field

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

[0002] Plate heat exchanger is a new type of high-efficiency heat exchanger made of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid and liquid-steam heat exchange. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small footprint, easy installation and cleaning, wide application, and long service life.

[0003] In existing heat exchangers, impurities in the conducted liquid often enter the plate heat exchanger, causing lumps to form inside the heat exchanger. These lumps will slow down the flow rate of the liquid and cause blockage in the heat exchanger. Therefore, the heat exchanger plates need to be disassembled for cleaning or replacement. The comparative document CN201922011564.6 provides a detachable plate heat exchanger. When the heat exchanger plate group is disassembled and assembled, it is only necessary to separate the front connecting rod and the rear connecting rod, and then move the movable end plate to remove the heat exchanger plates that need to be removed. The heat exchanger plates that do not need to be replaced can still be placed in the heat exchanger. Disassembly and installation are convenient and quick, and the heat exchanger plates are not easily damaged due to disassembly.

[0004] In the above scheme, the movement of the movable end plate is achieved by manual pushing. When the movable end plate moves to the specified position, the connecting rod is installed to achieve the limited fixation of the movable end plate. Manually pushing the movable end plate while fixing it with the connecting rod is time-consuming and laborious, and the tightness of the installation cannot be guaranteed. In addition, the above scheme lacks the positioning of the heat exchanger plate. When the heat exchanger plate is better re-clamped, multiple manual adjustments are required to achieve the horizontal installation of the heat exchanger plate. A solution to the above problems is proposed below. Utility Model Content

[0005] The purpose of the utility model is to provide a detachable plate heat exchanger, which solves the problem that the movable end plate proposed in the above-mentioned background technology is manually pushed and pressed, and when the connecting rod is subsequently installed, the movable end plate needs to be pressed all the time to ensure the pressing operation of the heat exchange plate, which is time-consuming and labor-intensive and cannot ensure the tightness of the installation, and the lack of positioning installation of the heat exchange plate makes the operation inconvenient during subsequent replacement.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is hinged on the base plate, is fixed with a backing pin on the top of described sliding panel and is provided with a backing pin on the bottom of described sliding panel.

[0008] Preferably, the clamping assembly includes connecting rod 1 and connecting rod 2, and multiple assembly threaded holes are opened on the two side walls of the fixed clamping plate and the movable clamping plate. One end of the connecting rod 1 is threadedly connected to the fixed clamping plate, and one end of the connecting rod 2 is threadedly connected to the movable clamping plate. The connecting rod 1 and the connecting rod 2 are arranged opposite to each other, and a connecting sleeve is provided between the connecting rod 1 and the connecting rod 2. The connecting rod 1 and the connecting rod 2 are respectively threadedly matched with the two ends of the connecting sleeve.

[0009] Preferably, the connecting rod 1 and the connecting rod 2 are both provided with thread 1 and thread 2, and the thread 1 and thread 2 are respectively opened at the end and the middle of the connecting rod 1 and the connecting rod 2, and the thread 1 of the connecting rod 1 and the connecting rod 2 is used to achieve threaded cooperation with the connecting sleeve, and the thread 2 on the connecting rod 1 and the connecting rod 2 is respectively used to achieve threaded cooperation with the fixed clamping plate and the movable clamping plate.

[0010] Preferably, the connecting portion is a trapezoidal clip strip, which is respectively fixed to the bottom of the upper guide rod and the top of the lower guide rod, and the connecting groove and the through groove of the movable clamping plate are both provided with a trapezoidal clip slot 1 that matches the trapezoidal clip strip. The movable clamping plate achieves linear movement between the upper guide rod and the lower guide rod by cooperating with the two trapezoidal clip strips, and the upper and lower ends of the heat exchange plate are also provided with a trapezoidal clip slot 2 that matches the trapezoidal clip strip.

[0011] Preferably, vertical plates are symmetrically installed on the top of the connecting groove, a pressure roller is rotatably arranged between the two vertical plates, and the bottom of the pressure roller is rotatably arranged on the top of the upper guide rod.

[0012] Preferably, one end of the screw rod passes through the support plate and is fixed with a hand wheel.

[0013] Preferably, feet are symmetrically installed on the bottom of the fixed clamping plate.

[0014] Beneficial effect: when the heat exchanger is disassembled and replaced, the connecting sleeve is first fixed, and the connecting rod one and the connecting rod two are rotated at the same time to separate the connecting rod one and the connecting rod two from the connecting sleeve. During the rotation of the connecting rod one and the connecting rod two, the thread one will gradually separate from the fixed clamping plate and the movable clamping plate. Therefore, when the connecting rod one and the connecting rod two are separated from the connecting sleeve, the connecting rod one and the connecting rod two will also separate from the fixed clamping plate and the movable clamping plate. Therefore, the fast disassembly of the connecting rod one and the connecting rod two is realized, and then the movable clamping plate is pulled by the screw to move the heat exchanger. The heat exchanger is disassembled and replaced. During installation, the movable clamping plate is first pushed by the screw to press each heat exchanger, without manual pressing. Then, the heat exchanger is further pressed by installing each connecting rod one and the connecting rod two together to ensure the overall sealing of the heat exchanger.

[0015] The heat exchanger is positioned by being installed at the connection portion between the upper guide rod and the lower guide rod, i.e., the trapezoidal clamping strip, so that the positioning and installation of each heat exchanger is facilitated, thereby ensuring the sealing between the heat exchangers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment;

[0017] Figure 2 This is a schematic diagram of the structure of the movable clamping plate used to illustrate the embodiment;

[0018] Figure 3 This is a schematic diagram of the structure of the embodiment for showing the clamping assembly;

[0019] Figure 4 This is a schematic diagram of the structure of the embodiment used to show the connecting rod 1;

[0020] Figure 5 The embodiment is used to show the structural schematic diagram of the upper guide rod;

[0021] Figure 6 The embodiment is used to show the structural schematic diagram of the support plate.

[0022] Figure numerals: 1. Fixed clamping plate; 2. Movable clamping plate; 3. Support plate; 4. Heat exchange plate; 5. Upper guide rod; 6. Lower guide rod; 7. Connecting groove; 8. Through groove; 9. Connecting part; 10. Screw; 11. Clamping assembly; 12. Connecting rod one; 13. Connecting rod two; 14. Assembly threaded hole; 15. Connecting sleeve; 16. Thread one; 17. Thread two; 18. Vertical plate; 19. Pressing roller; 20. Hand wheel; 21. Foot. DETAILED DESCRIPTION

[0023] See Figures 1 to 6 As shown, a detachable plate heat exchanger includes a fixed clamping plate 1, a movable clamping plate 2, a support plate 3 and a heat exchange plate 4, an upper guide rod 5 is installed between the upper part of the fixed clamping plate 1 and the upper part of the support plate 3, a lower guide rod 6 is installed between the lower part of the fixed clamping plate 1 and the lower part of the support plate 3, a connecting groove 7 is opened on the top of the movable clamping plate 2, one end of the upper guide rod 5 passes through the connecting groove 7, a through groove 8 is opened on the bottom of the side of the movable clamping plate 2, one end of the lower guide rod 6 passes through the through groove 8, and the movable clamping plate 2 supports the movable clamping plate 2 through the arrangement of the upper guide rod 5 and the lower guide rod 6 to facilitate the sliding of the movable clamping plate 2.

[0024] The upper guide rod 5 and the lower guide rod 6 are respectively provided with a connecting part 9 for connecting the movable clamping plate 2 on the opposite surfaces. By installing the connecting part 9 on both the upper guide rod 5 and the lower guide rod 6, the movable clamping plate 2 can be better positioned and slid. The connecting part 9 is a trapezoidal clip bar, which is respectively fixed to the bottom of the upper guide rod 5 and the top of the lower guide rod 6. The connecting groove 7 and the through groove 8 of the movable clamping plate 2 are both provided with a trapezoidal clip bar that matches the trapezoidal clip bar. The movable clamping plate 2 can achieve linear movement between the upper guide rod 5 and the lower guide rod 6 by cooperating with the two trapezoidal clip bars, which is convenient for the subsequent positioning and installation of each heat exchange plate 4, ensuring the sealing between the heat exchangers.

[0025] The heat exchanger 4 is installed between the movable clamping plate 2 and the fixed clamping plate 1. The heat exchanger 4 is clamped and sealed by the movable clamping plate 2 and the fixed clamping plate 1. The upper and lower ends of the heat exchanger 4 are also provided with trapezoidal grooves 2 that match the trapezoidal clamping strips. The heat exchanger 4 achieves positioning and supporting through the cooperation between the trapezoidal grooves 2 and the trapezoidal clamping strips, which facilitates the positioning of the heat exchanger 4 and ensures the sealing between the heat exchanger 4.

[0026] A screw 10 is installed between the movable clamping plate 2 and the supporting plate 3. One end of the screw 10 is rotatably set on the movable clamping plate 2, and the other end of the screw 10 is threadedly matched with the supporting plate 3. One end of the screw 10 passes through the supporting plate 3 and is fixed with a handwheel 20. In the process of assembling the heat exchange plate 4, each heat exchange plate 4 is first installed between the movable clamping plate 2 and the fixed clamping plate 1. The upper and lower ends of the heat exchange plate 4 are positioned through the trapezoidal card slot 2 and the trapezoidal card strip. When each heat exchange plate 4 is installed, the handwheel 20 can be rotated to drive the screw 10 to rotate. As the screw 10 rotates, the screw 10 pushes the movable clamping plate 2 to slide. The push of the screw 10 enables the movable clamping plate 2 to press each heat exchange plate 4 without manual pressing.

[0027] See Figure 1 , 3And 4, a clamping assembly 11 for ensuring the sealing of the heat exchange plate 4 is also provided between the fixed clamping plate 1 and the movable clamping plate. After the movable clamping plate 2 presses the heat exchange plate 4 through the screw 10, the movable clamping plate and the fixed clamping plate can be further fixed by installing the clamping assembly 11, thereby improving the sealing of the heat exchanger.

[0028] The clamping assembly 11 includes a connecting rod 12 and a connecting rod 2 13. A plurality of assembly threaded holes 14 are provided on both side walls of the fixed clamping plate 1 and the movable clamping plate 2. One end of the connecting rod 12 is threadedly connected to the fixed clamping plate 1, and one end of the connecting rod 2 13 is threadedly connected to the movable clamping plate 2. The connecting rod 12 and the connecting rod 2 13 are arranged opposite to each other. A connecting sleeve 15 is provided between the connecting rod 12 and the connecting rod 2 13. The connecting rod 12 and the connecting rod 2 13 are threadedly matched with the two ends of the connecting sleeve 15, respectively. When installing each clamping assembly 11, it is desirable to install connecting rod 12 and connecting rod 2 13 on the fixed clamping plate 1 and the movable clamping plate 2 respectively, and place the connecting sleeve 15 between the connecting rod 12 and the connecting rod 2 13. By continuously rotating the connecting rod 12 and the connecting rod 2 13, the ends of the connecting rod 12 and the connecting rod 2 13 will rotate into the connecting sleeve 15 to achieve connection. The movable clamping plate 2 and the fixed clamping plate 1 are clamped through the connection between the connecting rod 1 12, the connecting rod 2 13 and the connecting sleeve 15.

[0029] Both the connecting rod 12 and the connecting rod 2 13 are provided with a thread 16 and a thread 2 17, and the thread 16 and the thread 2 17 are respectively opened at the end and the middle of the connecting rod 12 and the connecting rod 2 13, and the thread 16 of the connecting rod 12 and the connecting rod 2 13 is used to achieve threaded cooperation with the connecting sleeve 15, and the thread 2 17 on the connecting rod 12 and the connecting rod 2 13 is respectively used to achieve threaded cooperation with the fixed clamping plate 1 and the movable clamping plate 2. By only opening threads on the connecting rod 12 and the connecting rod 2 13 at the places that cooperate with the fixed clamping plate 1, the movable clamping plate 2 and the connecting sleeve 15, when the connecting rod 12 and the connecting rod 2 13 are disassembled, when the connecting rod 12 and the connecting rod 2 13 are rotated to separate from the connecting sleeve 15, the connecting rod 12 and the connecting rod 2 13 will also quickly separate from the fixed clamping plate 1 and the movable clamping plate 2, thereby realizing the rapid disassembly of the connecting rod 12 and the connecting rod 2 13.

[0030] A vertical plate 18 is symmetrically installed on the top of the connecting groove 7, and a pressure roller 19 is rotatably installed between the two vertical plates 18. The bottom of the pressure roller 19 is rotatably installed on the top of the upper guide rod 5. By installing the pressure roller 19 on the top of the movable clamping plate 2, the pressure roller 19 will rotate on the top of the upper guide rod 5, and the pressure roller 19 can facilitate better movement of the movable clamping plate 2.

[0031] The bottom of the fixed clamping plate 1 is symmetrically provided with feet 21 , and the fixed clamping plate 1 can be better supported by installing the feet 21 .

[0032] Working principle: When the heat exchanger 4 is disassembled and replaced, the connecting sleeve 15 is first fixed, and the connecting rod 12 and the connecting rod 2 13 are rotated at the same time to separate the connecting rod 12 and the connecting rod 2 13 from the connecting sleeve 15. During the rotation of the connecting rod 12 and the connecting rod 2 13, the thread 16 will gradually separate from the fixed clamping plate 1 and the movable clamping plate 2. Therefore, when the connecting rod 12 and the connecting rod 2 13 are separated from the connecting sleeve 15, the connecting rod 12 and the connecting rod 2 13 will also separate from the fixed clamping plate 1 and the movable clamping plate 2. The movable clamping plate 2 is disengaged, thereby realizing the quick disassembly of the connecting rod 1 12 and the connecting rod 2 13. Then, by turning the hand wheel 20, the movable clamping plate 2 is pulled by the screw 10 to move the heat exchange plate 4, and during installation, the movable clamping plate 2 is first pushed by the screw 10 to achieve the compression of each heat exchange plate 4 without manual pressing. Then, by installing each connecting rod 12 and the connecting rod 2 13 together, the heat exchange plate 4 is further compressed to ensure the overall sealing of the heat exchanger.

Claims

1. A detachable plate heat exchanger, comprising a fixed clamping plate (1), a movable clamping plate (2), a support plate (3) and a heat exchange fin (4), characterized in that: An upper guide rod (5) is installed between the upper part of the fixed clamping plate (1) and the upper part of the support plate (3), and a lower guide rod (6) is installed between the lower part of the fixed clamping plate (1) and the lower part of the support plate (3). A connecting groove (7) is provided on the top of the movable clamping plate (2), and one end of the upper guide rod (5) passes through the connecting groove (7). A through groove (8) is provided on the bottom of the side of the movable clamping plate (2), and one end of the lower guide rod (6) passes through the through groove (8). The upper guide rod (5) and the lower guide rod (6) are provided on opposite surfaces. Each of the plurality of heat exchange plates (4) is provided with a connection portion (9) for connecting to a movable clamping plate (2); the heat exchange plate (4) is installed between the movable clamping plate (2) and the fixed clamping plate (1); a screw rod (10) is installed between the movable clamping plate (2) and the support plate (3); one end of the screw rod (10) is rotatably arranged on the movable clamping plate (2); the other end of the screw rod (10) is threadedly engaged with the support plate (3); and a clamping assembly (11) for ensuring the sealing of the heat exchange plate (4) is also provided between the fixed clamping plate (1) and the movable clamping plate.

2. A detachable plate heat exchanger according to claim 1, characterized in that: The clamping assembly (11) comprises a connecting rod 1 (12) and a connecting rod 2 (13), and a plurality of assembly threaded holes (14) are provided on both side walls of the fixed clamping plate (1) and the movable clamping plate (2), one end of the connecting rod 1 (12) is threadedly connected to the fixed clamping plate (1), and one end of the connecting rod 2 (13) is threadedly connected to the movable clamping plate (2), the connecting rod 1 (12) and the connecting rod 2 (13) are arranged opposite to each other, and a connecting sleeve (15) is provided between the connecting rod 1 (12) and the connecting rod 2 (13), and the connecting rod 1 (12) and the connecting rod 2 (13) are respectively threadedly matched with the two ends of the connecting sleeve (15).

3. A detachable plate heat exchanger according to claim 2, characterized in that: The connecting rod 1 (12) and the connecting rod 2 (13) are both provided with a thread 1 (16) and a thread 2 (17), and the thread 1 (16) and the thread 2 (17) are respectively arranged at the end and the middle of the connecting rod 1 (12) and the connecting rod 2 (13), and the thread 1 (16) of the connecting rod 1 (12) and the connecting rod 2 (13) is used to achieve threaded cooperation with the connecting sleeve (15), and the thread 2 (17) on the connecting rod 1 (12) and the connecting rod 2 (13) is respectively used to achieve threaded cooperation with the fixed clamping plate (1) and the movable clamping plate (2).

4. A detachable plate heat exchanger according to claim 1 or 2, characterized in that: The connecting portion (9) is a trapezoidal clip bar, which is respectively fixed to the bottom of the upper guide rod (5) and the top of the lower guide rod (6). The connecting groove (7) and the through groove (8) of the movable clamping plate (2) are both provided with a trapezoidal clip groove 1 that matches the trapezoidal clip bar. The movable clamping plate (2) can achieve linear movement between the upper guide rod (5) and the lower guide rod (6) by cooperating with the two trapezoidal clip bars. The upper and lower ends of the heat exchange plate (4) are also provided with a trapezoidal clip groove 2 that matches the trapezoidal clip bar.

5. The detachable plate heat exchanger according to claim 3, characterized in that: A vertical plate (18) is symmetrically mounted on the top of the connecting groove (7), a pressure roller (19) is rotatably arranged between the two vertical plates (18), and the bottom of the pressure roller (19) is rotatably arranged on the top of the upper guide rod (5).

6. The detachable plate heat exchanger according to claim 1, characterized in that: One end of the screw rod (10) passes through the support plate (3) and is fixed with a hand wheel (20).

7. The detachable plate heat exchanger according to claim 1, characterized in that: The bottom of the fixed clamping plate (1) is symmetrically provided with feet (21).

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