Detachable plate heat exchanger convenient to mount and dismount

Abstract

The utility model relates to a detachable plate heat exchanger convenient to mount and dismount, which comprises a front baffle plate and a rear baffle plate, symmetrically arranged barrier strips are erected between the front baffle plate and the rear baffle plate, a pressing plate is arranged on the barrier strips, a plurality of heat exchange plates are arranged between the pressing plate and the front baffle plate, a plurality of side barrier strips are arranged on the two sides of each heat exchange plate, and the side barrier strips are arranged on the two sides of each heat exchange plate. The two ends of the side blocking strip penetrate through the front baffle and the pressing plate respectively, a nut is connected to the end, extending out of the front baffle, of the side blocking strip in a threaded mode, and a locking device is arranged at the end, extending out of the pressing plate, of the side blocking strip in a sleeved mode. The heat exchanger is reasonable in structure, the pressing plate and the heat exchange plate can be rapidly pressed or loosened through the locking device, and compared with a traditional connection mode of an internal thread sleeve and threads, the heat exchanger is more rapid, convenient, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a detachable plate heat exchanger which is convenient for installation and disassembly. Background Technique

[0002] The detachable plate heat exchanger is composed of many corrugated thin plates stamped at certain intervals, sealed around by gaskets, and overlapped and pressed tightly by a frame and a pressing screw. The plate heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small floor area, wide application, long service life, etc. When fixing the push plate of the existing detachable plate heat exchanger, the inner thread sleeve and the thread connection method are usually used to lock the pressing plate and the heat exchange plate. It takes a long time to turn to loosen or tighten the push plate. If the length of the side retaining strip is relatively long, the turning time will be further increased, which is time-consuming and laborious. Summary of the Utility Model

[0003] In order to overcome the deficiencies of the above-mentioned existing problems, the utility model provides a detachable plate heat exchanger which is convenient for installation and disassembly.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a detachable plate heat exchanger which is convenient for installation and disassembly, including a front baffle and a rear baffle. Symmetrically arranged retaining strips are arranged between the front baffle and the rear baffle. A pressing plate is arranged on the retaining strip. A plurality of heat exchange plates are arranged between the pressing plate and the front baffle. A plurality of side retaining strips are arranged on both sides of the heat exchange plate. Both ends of the side retaining strip respectively penetrate through the front baffle and the pressing plate. A nut is threadedly connected to the end of the side retaining strip extending out of the front baffle. A locking device is sleeved on the end of the side retaining strip extending out of the pressing plate. The locking device includes an outer shell body. A C-shaped block is arranged inside the outer shell body. A pressing block is arranged at the top of the outer shell body. The pressing block and the C-shaped block are fixedly connected by a connecting rod. A return spring is fixedly connected between the C-shaped block and the outer shell body. The rear section of the side retaining strip is in a hemispherical shape, and a plurality of wave-shaped limiting grooves are opened at the bottom. The length of the limiting groove is equal to the bottom width of the C-shaped block. During use, the locking device is sleeved on the side retaining strip and is pushed inward to a suitable position to complete the locking work of the pressing plate and the heat exchange plate. If it is necessary to check or replace the heat exchange plate, press down the pressing block and slide the locking device outward to loosen the pressing plate and the heat exchange plate, which is convenient to use.

[0005] Preferably, a sliding groove is opened in the outer side wall of the C-shaped block, and a sliding rail matched with the sliding groove is arranged inside the outer shell body to prevent the C-shaped block from tilting when the locking device is in use.

[0006] Preferably, a scale is arranged on the side retaining strip, and the scale corresponds to the interval of the limiting groove to prevent installation errors that may occur during installation, resulting in different gaps around the heat exchange plate, thereby affecting the heat exchange efficiency.

[0007] The beneficial effects of the present utility model are as follows: The pressing plate and the heat exchange plate can be quickly tightened or loosened through the locking device, which is more rapid, convenient, time-saving and labor-saving compared with the traditional connection method of internal thread sleeves and threads. In addition, a scale is provided on the side baffle strip, and during installation, the tightening device only needs to be turned to the same position to ensure that the pressure received by the periphery of the heat exchange plate is the same. Description of the Drawings

[0008] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0009] Figure 1 is the front view of the present utility model;

[0010] Figure 2 is the cross-sectional view of the locking device of the present utility model;

[0011] Figure 3 is the side view of the rear section of the side baffle strip of the present utility model;

[0012] In the figure, 1, front baffle; 2, rear baffle; 3, baffle strip; 4, pressing plate; 5, heat exchange plate; 6, side baffle strip; 7, nut; 8, locking device; 9, outer housing; 10, C-shaped clamping block; 11, pressing block; 12, connecting rod; 13, sliding groove; 14, sliding rail; 15, limiting groove; 16, return spring. Detailed Embodiment

[0013] All features disclosed in this specification, or all steps in the disclosed methods or processes, except for mutually exclusive features and / or steps, can be combined in any manner.

[0014] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless specifically recited, can be replaced by other equivalent or similar-purpose alternative features. That is, unless specifically recited, each feature is only an example of a series of equivalent or similar features.

[0015] Such as Figures 1-3A detachable plate heat exchanger that is convenient for installation and disassembly is shown, including a front baffle 1 and a rear baffle 2. Symmetrically arranged baffle strips 3 are erected between the front baffle 1 and the rear baffle 2. A pressing plate 4 is arranged on the baffle strip 3. A number of heat exchange plates 5 are arranged between the pressing plate 4 and the front baffle 1. A number of side baffle strips 6 are arranged on both sides of the heat exchange plate 5. Both ends of the side baffle strip 6 penetrate through the front baffle 1 and the pressing plate 4 respectively. A nut 7 is threadedly connected to the end of the side baffle strip 6 extending out of the front baffle 1. A locking device 8 is sleeved on the end of the side baffle strip 6 extending out of the pressing plate 4. The locking device 8 includes an outer housing 9. A C-shaped block 10 is arranged inside the outer housing 9. A pressing block 11 is arranged at the top of the outer housing 9. The pressing block 11 and the C-shaped block 10 are fixedly connected by a connecting rod 12. A return spring 16 is fixedly connected between the C-shaped block 10 and the outer housing 9. The rear section of the side baffle strip 6 is in the shape of a hemisphere, and a number of wave-shaped limiting grooves 15 are opened at the bottom. The length of the limiting groove 15 is equal to the bottom width of the C-shaped block 10. During use, the locking device 8 is sleeved onto the side baffle strip 6 and is pushed inward to a suitable position to complete the locking work of the pressing plate 4 and the heat exchange plates 5. If it is necessary to check or replace the heat exchange plates 5, press down the pressing block 11 and slide the locking device 8 outward to loosen the pressing plate 4 and the heat exchange plates 5, which is convenient to use.

[0016] A sliding groove 13 is opened in the outer side wall of the C-shaped block 10. A sliding rail 14 that cooperates with the sliding groove 13 is arranged inside the outer housing 9 to prevent the C-shaped block 10 from being skewed when the locking device 8 is in use.

[0017] A scale is arranged on the side baffle strip 6, and the scale corresponds to the interval of the limiting groove 15 to prevent possible installation errors during installation, resulting in different gaps around the heat exchange plates 5 and thus affecting the heat exchange efficiency. Specific embodiments

[0018] First, place the heat exchange plates 5 between the baffle strips 3, push the pressing plate 4 near the heat exchange plates 5, penetrate the side baffle strip 6 through the front baffle 1 and the pressing plate 4, with the limiting groove 15 facing downward. Tighten the nut 7 on the end of the side baffle strip 6 extending out of the front baffle 1 and make the nut 7 fit with the front baffle 1. Finally, sleeve the locking device 8 onto the side baffle strip 6 and push it inward to a suitable position to complete the locking work of the pressing plate 4 and the heat exchange plates 5. If it is necessary to check or replace the heat exchange plates 5, press down the pressing block 11, the C-shaped block 10 will pull the return spring 16 and disengage from the limiting groove 15. At this time, slide the locking device 8 outward to loosen the pressing plate 4 and the heat exchange plates 5. Release the pressing block 11, and the C-shaped block 10 will return to its original position under the action of the return spring 16.

[0019] This design is ingenious. The pressing plate and the heat exchange plate can be quickly tightened or loosened through the locking device, which is more convenient, time-saving and labor-saving compared with the traditional connection method of internal thread sleeves and threads. In addition, a scale is provided on the side baffle. During installation, just move the tightening device to the same position to ensure that the pressure on the four sides of the heat exchange plate is the same.

[0020] The utility model is not limited to the specific embodiments described above. The utility model extends to any new feature disclosed in this specification or any new combination thereof, as well as any new method or process step disclosed or any new combination thereof.

Claims

1. A detachable plate heat exchanger that is convenient for installation and disassembly, characterized in that: It includes a front baffle (1) and a rear baffle (2). Symmetrically arranged baffle strips (3) are erected between the front baffle (1) and the rear baffle (2). A pressing plate (4) is arranged on the baffle strip (3). A number of heat exchange plates (5) are arranged between the pressing plate (4) and the front baffle (1). A number of side baffle strips (6) are arranged on both sides of the heat exchange plate (5). Both ends of the side baffle strip (6) penetrate through the front baffle (1) and the pressing plate (4) respectively. A nut (7) is threadedly connected to the end of the side baffle strip (6) extending out of the front baffle (1). A locking device (8) is sleeved on the end of the side baffle strip (6) extending out of the pressing plate (4). The locking device (8) includes an outer shell body (9). A C-shaped block (10) is arranged inside the outer shell body (9). A pressing block (11) is arranged at the top of the outer shell body (9). The pressing block (11) and the C-shaped block (10) are fixedly connected by a connecting rod (12). A return spring (16) is fixedly connected between the C-shaped block (10) and the outer shell body (9). The rear section of the side baffle strip (6) is in the shape of a hemisphere, and a number of wave ruler-shaped limiting grooves (15) are opened at the bottom. The length of the limiting groove (15) is equal to the bottom width of the C-shaped block (10).

2. The detachable plate heat exchanger according to claim 1, which is convenient for installation and disassembly, is characterized in that: A sliding groove (13) is opened in the outer side wall of the C-shaped block (10). A sliding rail (14) matched with the sliding groove (13) is arranged inside the outer shell body (9).

3. The detachable plate heat exchanger according to claim 1, which is convenient for installation and disassembly, is characterized in that: A scale is arranged on the side baffle strip (6), and the interval between the scale and the limiting groove (15) corresponds to each other.

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